JP4909638B2 - Expansion joint railing - Google Patents

Description

  The present invention relates to an expansion joint handrail that can be suitably implemented as a handrail for a crossing passage provided between two adjacent buildings.

  FIG. 19 is a vertical cross-sectional view showing a conventional expansion joint handrail 1. This expansion joint handrail 1 is described in, for example, Patent Document 1. FIG. That is, in order to allow mutual traffic between two adjacent buildings, each building is connected by a crossing passage. In this passage, expansion joint handrails 1 are provided on both right and left sides of the joint cover body 2 in the direction of passage perpendicular to the paper surface of FIG. .

  The expansion joint handrail 1 is disposed on the inner side of the passage (right side in FIG. 19), and is connected to a first handrail assembly 3 rotatably connected around one vertical axis by a hinge (not shown). The second handrail assembly 4 is disposed adjacent to the outside of the handrail assembly 3 (left side in FIG. 19) and is connected to the other building so as to be rotatable about a vertical axis by a hinge (not shown).

  In the first handrail assembly 3, both longitudinal end portions of the first upper chord member 5 and both longitudinal end portions of the first lower chord member 6 are connected by first struts 7. A plurality of first rods 8 having a portion connected to the first upper chord member 5 and a lower end connected to the first lower chord member 6 are provided.

  In the second handrail assembly 4, both ends in the longitudinal direction of the second upper chord material 9 and both ends in the longitudinal direction of the second lower chord material 10 are connected by the second support pillars 11. There are provided a plurality of second rods 12 whose parts are connected to the second upper chord material 9 and whose lower ends are connected to the second lower chord material 10.

  Guide grooves 13 and 14 are formed in the first and second upper chord members 5 and 9 so as to face each other. A slide core member 15 having an H-shaped cross section is inserted into the guide grooves 13 and 14, and the first and second upper chord members 5 and 9 are formed by the slide core member 15 and the guide grooves 13 and 14. It is movably connected in the longitudinal direction.

  In addition, guide grooves 16 and 17 are formed in the first and second lower chord members 6 and 10 so as to face each other. A slide core member 18 having an H-shaped cross section is inserted into the guide grooves 16 and 17, and the first and lower upper chord members 6 and 10 are formed by the slide core member 18 and the guide grooves 16 and 17. It is movably connected in the longitudinal direction.

  When each building is relatively displaced in the direction of approaching and moving away due to a sudden earthquake, the first and second handrail assemblies 3 and 4 are displaced following the displacement of each building, but the first and second upper chord members 5 are displaced. , 9 and the first and second lower chord members 6, 10 are connected to each other by slide core members 15, 18 inserted in the guide grooves 13, 14, 16, 17, so as to be movable in the longitudinal direction. And the relative displacement of the second handrail assemblies 3 and 4 are allowed, and the first and second handrail assemblies 3 and 4 are prevented from interfering with each other and being damaged. To ensure the safety of passers-by.

Japanese Patent Laid-Open No. 2001-220832.

  The expansion joint handrail 1 described in Patent Document 1 is a stepped structure in the width direction in which the second handrail assembly 3 is disposed adjacent to the outer side in the width direction of the first handrail assembly 3, so that the appearance is good. There is a visual problem that gives a sense of incongruity.

  The present invention solves such a problem, and the object of the present invention is to allow the relative displacement between the buildings to be allowed, while the part most appealing to the visual sense of the passerby is the width direction. It is to provide an expansion joint handrail that has an appearance that is improved in appearance and has a good appearance and that does not give a morphological discomfort.

The present invention is a structure in which a handrail unit extending and contracting in the longitudinal direction is constituted by the first and second fence bodies assembled in four sides, and the first and second support columns at both ends in the longitudinal direction of the handrail unit are adjacent and relatively displaced. An expansion joint handrail that is connected to a side by a hinge so as to be rotatable about a vertical axis and straddles the structure,
The upper horizontal member of the handrail unit is disposed on the longitudinal axis of the first upper chord member of the first fence body and the first upper chord member, and is fitted to the first upper chord member so as to be relatively movable in the longitudinal direction. And the second upper chord material of the second fence body combined together,
The lower horizontal member of the handrail unit includes a first lower chord member of the first fence body and a second fence disposed adjacent to the width direction perpendicular to the longitudinal direction and parallel to the first lower chord member so as to be relatively movable in the longitudinal direction. A second lower chord material of the body, and the first lower chord material and the second lower chord material are connected to each other in a longitudinally movable manner by a connecting means,
One longitudinal end portion of the first upper chord member and one longitudinal end portion of the first lower chord member are connected by the first support column, and the first upper chord member and the first lower chord member excluding the one end portion include a plurality of first rods. Connected by a crosspiece,
The other longitudinal end of the second upper chord member and the other longitudinal end of the second lower chord member are connected by the second support column, and the second upper chord member and the second lower chord member excluding the other end portion include a plurality of pieces. The first upper chord member is connected by a second bar, and the first upper chord material covers the upper end of the first support column from above and extends in the longitudinal direction, and has an arc-shaped roof portion extending in the longitudinal direction, and the width of each arc-shaped roof portion The vertical wall portion of the inner / outer double structure that is suspended from both ends in the direction opposite to each other, and one of the inner wall and the other vertical wall portion that extends horizontally in the width direction from the inner vertical wall portion to the inner vertical wall portion The column connecting plate portion and the other vertical wall portion on the outer side are connected to the inner vertical wall portion so as to extend horizontally in the width direction and have a width in the longitudinal direction of the one column connecting plate portion. A first column connecting plate part composed of the other column connecting plate units facing each other in the direction, and a longitudinal direction covering the upper ends of the plurality of first rods from above A first cap member having the inner arc-shaped roof portion extending, the inner vertical wall portions, and one strut connecting plate portion excluding the part functioning as a first crosspiece connecting plate portion; The first cap support member to which the connecting plate portion is mounted and the upper end portion of the first column is connected, and the one column connecting plate portion excluding the part are mounted, and the upper end portions of the respective first crosspieces are connected. Including a first fence receiving member
The second upper chord material is suspended from the arc-shaped roof portion of the inner and outer double structure extending in the longitudinal direction covering the upper end portion of the second support column from the top, and from both ends in the width direction of each arc-shaped roof portion. The opposite vertical wall portion of the inner / outer double structure and the other column connecting plate portion that is connected to the other outer vertical wall portion and extends horizontally in the width direction toward the inner vertical wall portion One strut extending horizontally in the width direction from the one vertical wall portion on the inner side to the other vertical wall portion on the inner side and facing a part in the longitudinal direction of the other strut connecting plate portion in the width direction A second support column connecting plate portion made of a connecting plate portion, the outer arc-shaped roof portion extending in the longitudinal direction covering the upper end portions of the plurality of second eaves from above, and the outer vertical wall portions and the second A second headboard member having the other strut connecting plate portion excluding the part functioning as a crosspiece connecting plate portion, and a second strut connecting plate portion are mounted. The second head support member to which the upper end portion of the second support post is attached and the other support post connecting plate portion excluding the part is attached and the upper end portion of each second support post is connected. It is an expansion joint handrail characterized by including a receiving member.

Further, the invention is characterized in that the size of the lower cross member in the width direction is set within the size of the upper cross member in the width direction.

Further, according to the present invention, the connecting means includes a rail portion formed in one of the first lower chord material and the second lower chord material and extending in the longitudinal direction, and the rail portion is movably fitted in the longitudinal direction. It is constituted by a pair of a longitudinally extending guide groove formed on the other of the first lower chord material and the second lower chord material, and the pair is provided separately in two upper and lower positions.

  According to the present invention, the upper horizontal member of the handrail unit is disposed on the first upper chord member of the first fence body and the longitudinal axis of the first upper chord member, and is movable relative to the first upper chord member in the longitudinal direction. It is possible to realize an upper cross member that is configured to have no step in the width direction by having the second upper chord member of the second fence body that are fitted and combined with each other. In the expansion joint handrail, it is considered that the part most appealing to the sight of the passerby is the upper cross member of the handrail unit, so the appearance is adjusted by the upper cross member that is configured to have no step in the width direction. It will look good and will not give you a sense of form. In addition, the first upper chord member and the second upper chord member are fitted and combined with each other so as to be movable relative to each other, thereby suppressing relative displacement in the vertical direction and the width direction of the first upper chord member and the second upper chord member. The first upper chord member and the second upper chord member can be smoothly moved relative to each other in the longitudinal direction, and the first and second upper chord members can be moved in the longitudinal direction. Allows relative movement in the direction.

Moreover , since the 1st cap member of the first upper chord member and the second cap member of the second upper chord member each have an arc-shaped roof portion, the appearance is better than that of the flat roof portion. The first headboard member and the second headboard member having the arc-shaped roof portion are the same material, have the same thickness, and have the flat roof portion formed with the same height and width. The strength can be increased compared to the members. Therefore, even if the thickness of each of the first and second coping members is set small, a predetermined strength can be sufficiently ensured, so that either one of the first coping member and the second coping member can be secured. The level difference caused by the thickness of the 1 coping member can be kept small, and the appearance of the upper cross member can be adjusted.

According to the present invention, the width direction of the size of the lower transverse member, which are set within the size of the width direction of the upper lateral members, a step in the width direction is formed on lower transverse member upper lateral member It is possible to adjust the appearance of the lower cross member by reducing it to approximately ½ of the size in the width direction.

Further , according to the present invention, the connecting means for connecting the first lower chord member and the second lower chord member of the lower cross member so as to be relatively movable in the longitudinal direction is one of the first lower chord member and the second lower chord member. And a pair of guide groove portions formed on the other of the first lower chord member and the second lower chord member so that the rail portion is movably fitted in the longitudinal direction of the first lower chord member and the second lower chord member. Therefore, the connecting force between the first lower chord material and the second lower chord material is increased, and the vertical displacement and the relative displacement in the width direction of the first lower chord material and the second lower chord material are suppressed. Thus, the first lower chord material and the second lower chord material can be smoothly moved relative to each other in the longitudinal direction so that the first lower chord material and the second lower chord material can follow the relative displacement in the direction of approaching and moving away from each building. Longitudinal relative movement can be allowed.

  Hereinafter, a preferred embodiment of an expansion joint handrail according to the present invention will be described with reference to the drawings. FIG. 1 is a front view of a transfer passage 21 to which an expansion joint handrail 20 according to the present invention is applied, and FIG. 2 is a plan view of the expansion joint handrail as seen from the section line II-II in FIG. A gap C exists as a joint between two adjacent buildings A and B. In order to allow passage between the passages A1 and B1 of each building A and B via the gap C, the space between the buildings A and B Is provided with a passage 21. Each building A, B consists of a concrete structure, for example.

  The crossing passage 21 has a longitudinal direction X (the left-right direction in FIG. 2) in which the buildings A and B approach and separate from each other due to an earthquake and the like, and a width direction Y (on the horizontal plane perpendicular to the approaching and separating direction X ( In order to allow relative displacement that occurs in the vertical direction in FIG. 2, an expansion joint structure called an expansion joint is employed.

  Such a crossing passage 21 is erected on both sides of the stretchable floor structure 22 in the width direction Y of the stretchable floor structure 22 and the stretchable floor structure 22 spanned substantially horizontally across the passages A1 and B1 of the buildings A and B. It is comprised with the expansion joint handrail 20 which concerns on.

  The expansion joint handrail 20 includes a first handrail unit 23 and a second handrail unit 24 which are erected in parallel and opposite to each other on both sides in the width direction Y of the crossing passage 21, and these first and second handrail units. 23 and 24 are constituted by a first fence body 25 and a second fence body 26 that are quadrilaterally extended and contracted in the respective longitudinal directions X, that is, the directions X in which the buildings A and B are brought close to and away from each other due to an earthquake or the like. Is done.

  The first fence body 25 includes a first upper chord member 27, a first lower chord member 28, a first support post 29, and a plurality of first eaves bars provided at predetermined intervals in the longitudinal direction. The longitudinal end of the first upper chord member 27 (the left end of FIGS. 1 and 2) and the longitudinal end of the first lower chord member 28 are connected by a first support column 29. A plurality of first eaves bars 30 having a portion connected to the first upper chord member 27 and a lower end portion connected to the first lower chord member 28 are provided. The first support column 29 is connected to the support column 31 on the one building A side by a pair of upper and lower hinges 32 and 33 so as to be rotatable around the vertical axis.

  The second fence body 26 includes a second upper chord member 34, a second lower chord member 35, a second support post 36, and a plurality of second eaves bars 37 provided at predetermined intervals in the longitudinal direction. The other end in the longitudinal direction of the second upper chord member 34 (the right end in FIGS. 1 and 2) and the other end in the longitudinal direction of the second lower chord member 35 are connected by the second support column 36, and other than the other end. Are provided with a plurality of second rods 37 having an upper end connected to the second upper chord member 34 and a lower end connected to the second lower chord member 35. The second support column 36 is connected to a support column 38 on the other building B side by a pair of upper and lower hinges 39 and 40 so as to be rotatable around a vertical axis.

  The stretchable floor structure 22 is provided between the floors A1a and B1b of the passages A1 and B1 of the buildings A and B. The stretchable floor structure 22 is provided so as to allow relative displacement that occurs in the longitudinal direction X and the width direction Y of the floors A1a and B1b that are close to and away from each other.

  FIG. 3 is an enlarged side view of the expansion joint handrail as seen from the section line III-III in FIG. 1, and FIG. 4 is an enlarged view of the first upper chord member and the second upper chord member in the first and second handrail units. FIG. 5 is an enlarged perspective view of one end portion of the first upper chord member of the first and second handrail units, and FIG. 6 is the other end of the second upper chord member of the first and second handrail units. It is a perspective view which expands and shows a part. The upper horizontal member 62 of the first and second handrail units 23 and 24 is a first fence member 27 of the first fence member 25 and a second fence member that is inserted into the first upper chord member 27 so as to be relatively movable in the longitudinal direction. 26 second upper chord members 34.

  The first upper chord material 27 covers the upper end of the first support column 29 from above and extends in the longitudinal direction in the arc-shaped roof portions 41 and 42 having an inner and outer double structure and the inner arc-shaped roof portion 41 in the width direction. Inner vertical wall portions 41a and 41b that are suspended from both ends and opposed to each other, and outer vertical wall portions 42a and 42b that are suspended from both ends in the width direction of the outer arc-shaped roof portion 42 and opposed to each other. One strut connecting plate 43 extending horizontally in the width direction from one inner vertical wall 41a toward the other inner vertical wall 41b, and the lower end of one outer vertical wall 42a And extending in the longitudinal direction to one supporting portion 44 for supporting the lower end portion of the inner one vertical wall portion 41a from the lower side and the lower end portion of the other outer vertical wall portion 42b. The other support portion 45 that is formed and supports the lower end portion of the other inner vertical wall portion 41b from below. The other support portion 45 extends horizontally in the width direction from the upper end portion toward the inner vertical wall portion 41a and is opposed to a part of the longitudinal length of the one column connecting plate portion 43 in the width direction. And the other column connecting plate portion 46.

  In addition, the first upper chord member 27 includes a first strut connecting plate portion 47 constituted by a part of one strut connecting plate portion 43 in the longitudinal direction and the other strut connecting plate portion 46, and each first rod 30. One of the inner arc-shaped roof portion 41 extending in the longitudinal direction and covering the upper end of the inner wall, the inner vertical wall portions 41a and 41b, and the one part excluding the portion functioning as the first crosspiece connecting plate portion 48. A first coping member 49 having a supporting column connecting plate 43 and a first supporting plate receiving member 47 to which the upper end of the first supporting column 29 is connected (see FIGS. 8 and 9a). And a first rod cross-piece receiving member 51 (see FIGS. 11 and 12) to which one column coupling plate portion 43 excluding a part is attached and the upper end portion of each first rod cross-piece 30 is coupled. On the inner surface of each of the inner vertical wall portions 41a and 41b, on the upper side of the one column connecting plate portion 43, a tapping screw fixing protrusion 52 is extended in the longitudinal direction.

  The second upper chord member 34 covers the upper end portion of the second support column 36 from above and extends in the longitudinal direction in the arc-shaped roof portions 41 and 42 having an inner and outer double structure and the inner arc-shaped roof portion 41 in the width direction. Inner vertical wall portions 41a and 41b that are suspended from both ends and opposed to each other, and outer vertical wall portions 42a and 42b that are suspended from both ends in the width direction of the outer arc-shaped roof portion 42 and opposed to each other. The one vertical wall portion 42a is formed to extend in the longitudinal direction at the lower end portion of the one vertical wall portion 42a and supports the lower end portion of the inner vertical wall portion 41a from the lower side, and the other vertical wall portion 42a. The other support portion 45 is formed extending in the longitudinal direction at the lower end portion of the wall portion 42b and supports the lower end portion of the other inner vertical wall portion 41b from the lower side, and the inner side from the upper end portion of the other support portion 45. The other column connecting plate portion extending horizontally in the width direction toward the one vertical wall portion 41a 6 and the inner vertical wall 41a extending horizontally in the width direction from the inner vertical wall 41b toward the other inner vertical wall 41b. The other column connecting plate 46 is opposed to a part of the longitudinal direction in the width direction. One column connecting plate portion 43 is provided.

  In addition, the second upper chord member 34 includes a second column connecting plate portion 53 constituted by a part of the other column connecting plate portion 46 in the longitudinal direction and one column connecting plate portion 43, and each second rod 37. The outer arc-shaped roof portion 42 that extends in the longitudinal direction covering the upper end portion of the upper portion, the outer vertical wall portions 42a and 42b, and the other part excluding the portion that functions as the second eaves frame connecting plate portion 54. A second coping member 55 having a post coupling plate portion 46 and a second coping receiving plate member 43 to which the upper end portion of the second post 36 is coupled (see FIGS. 8 and 9a). And the other column connecting plate portion 46 except for a part thereof, and a second rod cross receiving member 57 (see FIGS. 11 and 12) to which the upper end of each second rod cross 37 is connected. On the inner surface of each of the inner vertical wall portions 41a and 41b, on the upper side of the one column connecting plate portion 43, a tapping screw fixing protrusion 52 is extended in the longitudinal direction.

  As shown in FIG. 4, the arc-shaped roof portion 41 of the first upper chord member 27 and the other end portions of the vertical wall portions 41a and 41b have a small gap and the arc-shaped roof of the second upper chord member 34. The lower end portion of one vertical wall portion 41a of the first upper chord member 27 slides on one support portion 44 of the second upper chord member 34 while being fitted into one end portion of the portion 42 and each vertical wall portion 42a, 42b. Since the lower end of the other vertical wall portion 41b of the first upper chord member 27 is slidably supported by the other support portion 45 of the second upper chord member 34, the first upper chord member 27 The other end is fitted into one end of the second upper chord member 34 so as to be relatively movable in the longitudinal direction. As a result, the first upper chord member 34 of the second fence member 26 is arranged on the axis C1 in the longitudinal direction of the first upper chord member 27 of the first fence member 25, and the first and second chord members 34 are combined and combined with each other. The upper cross member 62 of the two handrail units 23 and 24 can be realized.

  As shown in FIG. 5, one end opening in the longitudinal direction of the first upper chord member 27 is closed by the first small palate plate 58. The first small palatal plate 58 passes through the first small palatal plate 58 and is screwed with a tapping screw (not shown) in the longitudinal direction from one end opening side of the tapping screw fixing ridge 52 to fix the tapping screw. By screwing the ridge 52, one end opening portion in the longitudinal direction of the first upper chord material 27 is closed and fixed. The outer vertical wall portions 42a and 42b and the inner vertical wall portions 41a and 41b are tapping screws (not shown) horizontally from the outer side of the outer vertical wall portions 42a and 42b toward the protrusion 52 for fastening the tapping screw. And are integrally coupled by tapping the tapping screw fastening ridge 52.

  As shown in FIG. 6, the other end opening in the longitudinal direction of the second upper chord member 34 is closed by the second small palate plate 60. The second small palatal plate 60 penetrates the second small palatal plate 60 and is screwed with a tapping screw (not shown) in the longitudinal direction from the other end opening side of the protrusion 52 for tapping screw fixing. The other end opening in the longitudinal direction of the second upper chord material 34 is closed and fixed by tapping the protrusion 52. Further, the outer vertical wall portions 42a and 42b and the inner vertical wall portions 41a and 41b are tapped screws (not shown) horizontally from the outer side of the outer vertical wall portions 42a and 42b toward the protruding tapping screw 52. And are integrally coupled by tapping the tapping screw fastening protrusion 52.

  FIG. 7 is an enlarged cross-sectional view of the first and second support columns 29 and 36. The first and second struts 29 and 36 are cylindrical bodies having a rectangular cross-sectional shape, and tapping screw fastening ridges 63 extend in the longitudinal direction at the four corners. FIG. 8 is an enlarged perspective view of the first and second headboard receiving members 50 and 56. The first and second headboard receiving members 50, 56 have a flat portion 64 and a pair of protrusions 64a projecting upward at both ends in the longitudinal direction of the flat portion 64, and in the width direction thereof. The dimension W1 is set substantially equal to the width direction dimension (long side dimension) W2 (see FIG. 7) of the first and second support columns 29, 36, and the longitudinal dimension L1 is larger than the width direction dimension W1. It is set large enough. In the flat portion 64, eight through holes 65 penetrating in the vertical direction are formed.

  FIG. 9A is a side view showing the connection between the first and second coping members 49 and 55 and the first and second coping receiving members 50 and 56, and FIG. 9B is the first and second support columns. It is a perspective view which shows the connection of 29,36 and the 1st, 2nd coping receiving members 50,56. First, as shown in FIG. 9B, the first and second head support members 50 and 56 are placed on the upper surfaces of the first and second support columns 29 and 36, and the central portion of the eight through holes 65 is placed. The four through holes 65 are opposed to the upper sides of the tapping screw fastening ridges 63 at the four corners of the first and second support columns 29 and 36, and the four through holes 65 are passed through the four corner tapping screws. A tapping screw (not shown) is screwed downward from the upper end opening side of the ridge 63 for use, and the ridge 63 for fastening each tapping screw is tapped, thereby the first and second struts 29, 36 being The first and second coping receiving members 50 and 56 are fixed to the upper surface.

  Next, as shown in FIG. 9 (a), the first and second headboard receiving members 50 and 56 are placed below the first and second column connecting plate portions 47 and 53 of the first and second headboard members 49 and 55, respectively. The four through-holes in the central portion below the four screw-lower holes (not shown) penetrating in the up-down direction, which are formed in the first and second column connecting plate portions 47 and 53 in advance. The remaining four through-holes 65 except for 65 are made to face each other, and tapping screws 67 are screwed upward into the four screw holes through the four through-holes 65, By tapping the hole, the upper end surfaces of the pair of protrusions 64a are brought into contact with the lower surfaces of the first and second support post connecting plate portions 47 and 53 of the first and second headboard members 49 and 55, respectively. The first and second headboard receiving members 50 and 56 are attached to the lower side of the first and second column connecting plate portions 47 and 53.

  FIG. 10 is an enlarged cross-sectional view of the first and second rods 30 and 37. Each of the first and second crosspieces 30 and 37 is formed of a cylindrical body having a substantially square cross-section, and tapping screw fastening ridges 68 are extended in the longitudinal direction on two sides facing each other in the width direction. Yes. FIG. 11 is an enlarged perspective view showing the connection between the first and second rod-shaped members 51, 57 and the first and second rod-shaped members 30, 37, and FIG. 12 shows the first and second rod-shaped members. It is a side view which shows connection with the members 51 and 57 and the 1st, 2nd coping member 49,55. The first and second rod receiving members 51 and 57 are of a substantially H-shaped cross section having flat ribs 69 and flanges 70 that protrude vertically from both ends of the flat ribs 69 in the width direction and face each other. The inner method W3 of the flanges 70 facing each other is set to be slightly larger than the dimension W4 in the width direction of each of the first and second rods 30 and 37. The flat rib 69 is formed with a pair of through-holes 71 having a predetermined interval in the longitudinal direction and a pair of through holes 71 penetrating in the vertical direction with an interval in the width direction. A through hole 72 penetrating in the vertical direction is formed at the center between the pair of through holes 71.

  First, as shown in FIG. 11, the first and second rod cross receiving members 51 and 57 are placed on the upper surfaces of the first and second rod crosses 30 and 37, and one pair of through holes 71 are formed in each pair. A pair of tapping screw fixing protrusions 68 passing through a pair of through-holes 71 in pairs, facing the upper side of the tapping screw fixing protrusions 68 (see FIG. 10) of the first and second rods 30 and 37. The first tapping screw 73 is screwed downward from the upper end opening side of the strip 68 and the projection 68 for fastening each tapping screw is tapped so that the first upper surface of each of the first and second rods 30 and 37 is first. , The second rod receiving members 51 and 57 are fixed.

  Next, as shown in FIG. 12, the first fence receiving member 51 is opposed to the lower side of one column connecting plate portion 43 excluding the part functioning as the first fence connecting plate portion 48 in the first head member 49. Thus, a flat rib 69 of the first rod receiving member 51 is formed on the lower side of a plurality of screw holes (not shown) penetrating in the vertical direction formed in advance in the one column connecting plate portion 43. The plurality of through holes 72 (refer to FIG. 11) are opposed to each other, the tapping screws 67 are screwed upward into the plurality of screw holes through the plurality of through holes 72, and the plurality of screw holes are tapped. And the upper end surfaces of each of the pair of flanges 70 are brought into contact with the lower surface of one column connecting plate portion 43 excluding the portion functioning as the first crosspiece connecting plate portion 48. The first pier receiving part below the column connecting plate part 43 51 to mount the.

  Further, as shown in FIG. 12, the second fence receiving member 57 is opposed to the lower side of the other column connecting plate portion 46 except for the part functioning as the second fence connecting plate portion 54 in the second coping receiving member 56. Thus, a flat rib 69 of the second rod receiving member 57 is formed below a plurality of screw holes (not shown) penetrating in the vertical direction formed in the other column connecting plate portion 46 in advance. The plurality of through holes 72 (refer to FIG. 11) are opposed to each other, the tapping screws 67 are screwed upward into the plurality of screw holes through the plurality of through holes 72, and the plurality of screw holes are tapped. And the upper end surface of each of the pair of flanges 70 is brought into contact with the lower surface of the other column connecting plate portion 46 excluding the portion functioning as the second crosspiece connecting plate portion 54, thereby removing the other portion. The second fence pier on the lower side of the column connecting plate portion 46 Mounting the timber 57.

  FIG. 13 is an enlarged perspective view showing a connection state between the other end of the second lower chord member 35 of the first handrail unit 23 and the second support column 36, and FIG. 14 is a first lower chord member of the first handrail unit 23. It is a perspective view which expands and shows the connection state of the other end part side of 28, and the one end part side of the 2nd lower chord material 35. FIG. 15 is an enlarged perspective view showing a connection state between one end portion of the first lower chord member 28 of the first handrail unit 23 and the first support column 29. The lower horizontal member 74 of the first handrail unit 23 is relatively moved in the longitudinal direction adjacent to the first lower chord member 28 of the first fence body 25 and the inner side in the width direction parallel to the first lower chord member 28 and perpendicular to the longitudinal direction. The second lower chord member 35 of the second fence body 26 is freely arranged, and the first lower chord member 28 and the second lower chord member 35 are relatively moved in the longitudinal direction by connecting means 75 extending in the longitudinal direction. They are freely connected to each other.

  The first and second lower chord members 28 and 35 have a gate-like cross-sectional shape with their lower sides opened, and connect the first and second lower chord members 28 and 35 to each other so as to be relatively movable in the longitudinal direction. As shown in FIG. 16, the connecting means 75 includes a rail portion 76 formed integrally with the first lower chord member 28 and the second lower chord member 35, and the rail portion 76 is fitted in such a manner that it can move in the longitudinal direction. Further, a pair 78 of a guide groove portion 77 formed integrally with the first lower chord material 28 and the second lower chord material 35 is provided apart from each other in the upper and lower positions.

  As shown in FIG. 13, an auxiliary member 79 obtained by cutting the first lower chord material 28 short is provided on the outer side in the width direction at the other end of the second lower chord material 35 of the first handrail unit 23. 75 is connected. The lower end of the second support post 36 is placed on the other end of the second lower chord member 35 and the upper surface of the auxiliary member 79, and the tapping screw fastening ridges 63 at the four corners of the second support post 36 are placed on the second lower chord member 35. The upper end of four through holes 80 formed in advance on the other end and the upper surface of the auxiliary member 79 are opposed to the four through holes 80 so as to penetrate the four corner tapping screws 63 at the four corners. The tapping screw 80a is screwed upward from the lower end opening side of the screw and the ridges 63 for fastening each tapping screw are tapped so that the second end portion of the second lower chord member 35 and the upper surface of the auxiliary member 79 are second. The support column 36 is fixed. Both end openings in the longitudinal direction of the auxiliary member 79 and the other end opening of the second lower chord member 35 are closed by the third small palate plate 81 and the fourth small palate plate 82.

  As shown in FIG. 15, an auxiliary member 83 obtained by cutting the second lower chord material 35 in a short direction at one end portion of the first lower chord material 28 of the first handrail unit 23 is the connecting means 75. Connected by The lower end portion of the first support column 29 is placed on one end portion of the first lower chord member 28 and the upper surface of the auxiliary member 83, and the tapping screw fastening ridges 63 at the four corners of the first support column 29 are placed on one end of the first lower chord member 28. The lower end of the projection 63 for tapping screw fastening at the four corners through the four through-holes 80 so as to face the upper side of the four through-holes 80 formed in advance on the upper surface of the auxiliary member 83 By screwing the tapping screw 80a upward from the opening side and tapping the protrusion 63 for fastening each tapping screw, the first support column 29 is placed on one end of the first lower chord material 28 and the upper surface of the auxiliary member 83. Fix it. Both end openings in the longitudinal direction of the auxiliary member 83 and one end opening of the first lower chord material 28 are closed by the fifth small palate plate 85 and the sixth small palate plate 86.

  FIG. 16 is an enlarged cross-sectional view showing the connection between the first and second lower chord members 28 and 35 and the first and second rods 30 and 37. The lower end portion of each first bar 30 is placed on the upper surface of the first lower chord member 28, and is formed in advance on the upper surface of the first lower chord member 28 below the protrusion 68 (see FIG. 10) for fastening the tapping screw. A plurality of pairs of through holes (not shown) are made to face each other, and a tapping screw 87 is screwed upward from the lower end opening side of the protrusion 68 for fastening the tapping screw through the through holes. Then, the lower end portion of each first bar 30 is fixed to the upper surface of the first lower chord member 28 by tapping the protrusion 68 for fastening each tapping screw.

  Further, the lower end portion of each second bar 37 is placed on the upper surface of the second lower chord member 35, and the upper surface of the second lower chord member 35 is previously placed on the lower side of the tapping screw fastening ridge 68 (see FIG. 10). A plurality of sets of through-holes (not shown) are made to face each other in a pair, and a tapping screw 88 is screwed upward from the lower end opening side of the protrusion 68 for fastening the tapping screw through the through-holes. Then, the lower end portion of each second bar 37 is fixed to the upper surface of the second lower chord member 35 by tapping the protrusion 68 for fixing each tapping screw.

  The size W5 in the width direction of the lower cross member 74 of the first handrail unit 23 is set to be approximately equal to the size W6 in the width direction of the upper cross member 62 as shown in FIG. The step in the width direction can be reduced to approximately ½ of the width W5 of the lower cross member 74 in the width direction, and the appearance of the lower cross member 74 can be adjusted. The lower cross member 74 of the second handrail unit 24 has the same structure as the lower cross member 74 of the first handrail unit 23 as shown in FIG. 36, and the lower ends of the first and second rails 30 and 37 are connected to each other, so that the description of the structure of the second handrail unit 24 is omitted, and the same parts as the first handrail unit 23 are the same in FIG. A sign is attached.

  The first cap member 49 and the second cap member 55 can be manufactured by extruded shapes made of stainless steel such as aluminum alloy or stainless steel, so that productivity is improved. Further, a first group of the first coping receiving member 50 and the second coping receiving member 56, a second group of the first eaves receiving member 51 and the second eaves receiving member 57, the first support column 29 and the second support column. The third group 36 and the fourth group of the first and second crosspieces 30 and 37 can be manufactured so as to be shared by the extruded shape member for each group, so that productivity is improved. Furthermore, since the first lower chord material 28 and the second lower chord material 35 can be manufactured by the extruded shape material, productivity is improved. Further, since the auxiliary member 79 is obtained by cutting the first lower chord material 28 short, and the auxiliary member 83 is obtained by cutting the second lower chord material 28 short, the productivity of each auxiliary member 79, 83 is improved. To do.

  In the embodiment of the above configuration, the upper cross member 62 of the first and second handrail units 23 and 24 is on the first upper chord member 27 of the first fence body 25 and the longitudinal axis C1 of the first upper chord member 27. The second upper chord member 34 of the second fence body 26 that is arranged and fitted to the first upper chord member 27 so as to be movable relative to each other in the longitudinal direction is combined, and there is no step without a step in the width direction. The configured upper cross member 62 can be realized. In the expansion joint handrail 1, it is considered that the portion most appealing to the sight of the passerby is the upper cross member 62 of the first and second handrail units 23, 24, and thus is configured to have no step in the width direction. In addition, since the appearance is improved and the appearance is improved by the cross member 62, there is no morphological discomfort. In addition, the first upper chord member 27 and the second upper chord member 34 are fitted to each other so as to be movable relative to each other, whereby the first upper chord member 27 and the second upper chord member 34 are relatively displaced in the vertical direction and the width direction. The first upper chord material 27 and the second upper chord material 34 are smoothly moved relative to each other in the longitudinal direction, and the first upper chord is followed by the relative displacement of the buildings A and B in the approaching and separating directions. The longitudinal movement of the material 27 and the second upper chord material 34 can be allowed.

  Further, according to the present embodiment, the first cap member 49 of the first upper chord member 27 has the arc-shaped roof portion 41, and the second cap member 55 of the second upper chord member 34 has the arc-shaped roof portion 42. Therefore, it looks better than the head member of the flat roof. The first and second headboard members 49 and 55 having the arc-shaped roof portions 41 and 42 have flat roof portions that are made of the same material and have the same wall thickness and are of equal height and width. The strength can be increased compared to the cap member. Therefore, even if the thickness of each of the first and second cap members 49 and 49 is set to be small, a predetermined strength can be sufficiently ensured, so that the second cap member 49 and the second cap member 55 are provided between the first cap member 49 and the second cap member 55. The appearance of the upper cross member 62 can be adjusted by suppressing the level difference caused by the thickness of the headboard member 55.

  Furthermore, according to the present embodiment, the width W5 of the lower cross member 74 is set within the width W6 of the upper cross member 62, so the width direction formed in the lower cross member 74 Can be reduced to approximately ½ of the width W5 of the lower cross member 74 in the width direction, so that the appearance of the lower cross member 74 can be adjusted.

  Further, according to the present embodiment, the connecting means 75 for connecting the first lower chord material 28 and the second lower chord material 35 of the lower cross member 74 to each other so as to be relatively movable in the longitudinal direction is the same as the first lower chord material 28. A rail portion 76 formed integrally with the second lower chord material 35, and formed integrally with the first lower chord material 28 and the second lower chord material 35 so that the rail portion 76 is movably fitted in the longitudinal direction thereof. Since the pair 78 with the guide groove portion 77 is provided by being separated in the upper and lower two positions, the coupling force between the first lower chord material 28 and the second lower chord material 35 is increased, and the first lower chord material 28 and The relative displacement in the vertical direction and the width direction of the second lower chord material 35 is suppressed, and the first lower chord material 28 and the second lower chord material 35 are smoothly moved relative to each other in the longitudinal direction. The first lower chord member 28 and the second lower chord member 3 follow the relative displacement in the separating direction. Acceptable relative longitudinal movement between.

  FIG. 17A is a vertical cross-sectional view showing a second embodiment of the first coping member 49 in the upper cross member 62, and FIG. 17B is the first and second coping member 49 in the upper cross member 62. , 55 is a vertical sectional view showing a third embodiment. As shown in FIG. 17 (a), the first head member 49 has an arcuate roof portion 41 on the inner side and an inner end portion of one of the column connecting plate portions 43 that are continuously connected by a vertical wall portion 89. Strength can be increased by forming a closed cross-sectional structure having a hollow portion 90 surrounded by a part of the arc-shaped roof portion 41, one vertical wall portion 41a, one column connecting plate portion 43, and the vertical wall portion 89. it can. As shown in FIG. 17 (b), the first headboard member 49 has a vertical wall portion 89 in which a guide groove portion 91 is formed between an arcuate roof portion 41 on the inner side and an inner end portion of one column connecting plate portion 43. A closed portion having a hollow portion 90 surrounded by a part of the inner arc-shaped roof portion 41, one vertical wall portion 41 a, one column connecting plate portion 43, the guide groove portion 91 and the vertical wall portion 89. In addition to the cross-sectional structure, a rail portion 92 that fits in the guide groove portion 91 so as to be movable in the longitudinal direction is formed on the inner end portion of the other column connecting plate portion 46 of the second head member 55. And the guide groove portion 91 constitute a connecting portion 93 that connects the first cap member 49 and the second cap member 55 movably in the longitudinal direction, thereby increasing the strength of the first cap member 49, and Combination by connecting the first coping member 49 and the second coping member 55 To increase the allowed intensity, allowable relative longitudinal movement between the first coping member 49 to follow the direction of the relative displacement of toward and away from each building as second coping member 55. In FIGS. 17A and 17B, the same parts as those of the first and second headboard members 49 and 55 described in the first embodiment are denoted by the same reference numerals, and the description of the overlapping structure and operation is performed. Is omitted.

  FIG. 18 is a vertical sectional view showing a second embodiment of the first lower chord member 28 and the second lower chord member 35 in the lower cross member 74. The first lower chord member 28 is formed by connecting the vicinity of the lower end portion of the lower rail portion 76 and the outer vertical wall portion 28a on the side away from the second lower chord member 35 with a horizontal wall portion 94 extending horizontally in the width direction. The strength can be increased by employing a closed cross-sectional structure having a hollow portion 95 surrounded by the wall portion 28a, the lateral wall portion 94, the lower rail portion 76, the upper guide groove portion 77, and the ceiling wall portion 28b. The lower chord member 35 has a lower guide groove portion 77 and a horizontal wall formed by connecting a lower guide groove portion 77 and an outer vertical wall portion 35a on the side away from the first lower chord member 28 with a horizontal wall portion 96 extending horizontally in the width direction. The strength can be increased by adopting a closed cross-sectional structure having the hollow portion 97 surrounded by the portion 96, the outer vertical wall portion 35a and the ceiling wall portion 35b.

  In the above embodiment, the second upper chord material 34 has a cross section larger than that of the first upper chord material 27, and the first upper chord material 27 is inserted into the second upper chord material 34 with a small gap. Conversely, the cross section of the first upper chord material 27 may be larger than the cross section of the second upper chord material 34, and the second upper chord material 34 may be inserted into the first upper chord material 27 with a small gap.

It is a front view of the transfer passage where one embodiment of the present invention is applied. It is the top view seen from the cut surface line II-II of FIG. FIG. 3 is an enlarged side view as seen from a section line III-III in FIG. 1. It is a perspective view which expands and shows the insertion state of the 1st upper chord material and the 2nd upper chord material. It is a perspective view which expands and shows the one end part of a 1st upper chord material. It is a perspective view which expands and shows the other end part of the 2nd upper chord material. It is an expansion cross-sectional view of the 1st, 2nd support | pillar. It is an expansion perspective view of the 1st, 2nd coping receiving member. FIG. 9A is a side view showing the connection between the head member and the head member, and FIG. 9B is a perspective view showing the connection between the column and the head member. It is an expanded cross-sectional view of the 1st and 2nd bar. It is an expansion perspective view which shows the connection of the eaves receiving member and the eaves cross. It is a side view which shows the connection with a coffin receiving member and a headboard receiving member. It is a perspective view which shows the connection state of the other end part of the 2nd lower chord material of a handrail unit, and a 2nd support | pillar. It is a perspective view which shows the connection state of the 1st lower chord material and 2nd lower chord material of a handrail unit. It is a perspective view which shows the connection state of the one end part of the 1st lower chord material of a handrail unit, and a 1st support | pillar. It is sectional drawing which shows the connection of a 1st, 2nd lower chord material, and a 1st, 2nd bar. FIG. 17A is a vertical cross-sectional view showing a second embodiment of the first coping member, and FIG. 17B is a vertical cross-sectional view showing a third embodiment of the first and second coping members. It is a vertical sectional view showing a second embodiment of a first lower chord material and a second lower chord material. It is a vertical sectional view showing a conventional example.

20 expansion joint handrail 23 first handrail unit 24 second handrail unit 25 first fence body 26 second fence body 27 first upper chord material 28 first lower chord material 29 first strut 30 first rod 30 hinge 33 hinge 34 second Upper chord material 35 Second lower chord material 36 Second strut 37 Second rod 39 Hinge 40 Hinge 41 Inside arcuate roof portion 41a Inside vertical wall portion 41b Inside longitudinal wall portion 42 Outside arcuate roof portion 42a Outside Vertical wall portion 42b outer vertical wall portion 43 one strut connecting plate portion 46 other strut connecting plate portion 47 first strut connecting plate portion 48 first first bar connecting plate portion 49 first coping member 50 first coping receiving member 51 1st fence crossing member 53 2nd column coupling plate part 54 2nd fence crossing plate part 55 2nd coping member 56 2nd coping receiving member 57 2nd coffin receiving member 62 upper cross member 74 lower cross member 75 Connection means 76 Rail portion 77 Guide groove portion 78 Pair A, B Building C Air gap C1 Longitudinal axis of the first upper chord material A1, B1 Passage W5 Size of the lower cross member in the width direction W6 Size of the upper cross member in the width direction The

Claims (3)

A handrail unit that expands and contracts in the longitudinal direction is constituted by the first and second fence bodies assembled on four sides, and the first and second columns at both ends in the longitudinal direction of the handrail unit are adjacent to each other and are relatively displaced by hinges. An expansion joint handrail that is pivotally connected around a vertical axis and straddles the structure,
The upper horizontal member of the handrail unit is disposed on the longitudinal axis of the first upper chord member of the first fence body and the first upper chord member, and is fitted to the first upper chord member so as to be relatively movable in the longitudinal direction. And the second upper chord material of the second fence body combined together,
The lower horizontal member of the handrail unit includes a first lower chord member of the first fence body and a second fence disposed adjacent to the width direction perpendicular to the longitudinal direction and parallel to the first lower chord member so as to be relatively movable in the longitudinal direction. A second lower chord material of the body, and the first lower chord material and the second lower chord material are connected to each other in a longitudinally movable manner by a connecting means,
One longitudinal end portion of the first upper chord member and one longitudinal end portion of the first lower chord member are connected by the first support column, and the first upper chord member and the first lower chord member excluding the one end portion include a plurality of first rods. Connected by a crosspiece,
The other longitudinal end of the second upper chord member and the other longitudinal end of the second lower chord member are connected by the second support column, and the second upper chord member and the second lower chord member excluding the other end portion include a plurality of pieces. Connected by the second pier ,
The first upper chord material is suspended from the arc-shaped roof portion of the inner and outer double structure extending in the longitudinal direction covering the upper end portion of the first support column from the top, and the widthwise both ends of each arc-shaped roof portion. Opposite inner and outer double wall vertical walls, one strut connecting plate extending horizontally in the width direction from one inner vertical wall to the other inner vertical wall, and the other outer wall The other strut that is connected to the vertical wall portion and extends horizontally in the width direction toward the inner vertical wall portion, and faces the longitudinal portion of the one strut connecting plate portion in the width direction. A first strut connecting plate portion made of a connecting plate portion, the inner arc-shaped roof portion extending in the longitudinal direction covering the upper end portions of the plurality of first fences from the top, the inner vertical wall portions, and the first A first coping member having one strut connecting plate portion excluding the part functioning as a crosspiece connecting plate portion and a first strut connecting plate portion are mounted. The first coping receiving member to which the upper end portion of the first column is connected, and one column connecting plate portion excluding the part are mounted, and the first rod beam is connected to the upper end portion of each first rod. A receiving member,
The second upper chord material is suspended from the arc-shaped roof portion of the inner and outer double structure extending in the longitudinal direction covering the upper end portion of the second support column from the top, and from both ends in the width direction of each arc-shaped roof portion. The opposite vertical wall portion of the inner / outer double structure and the other column connecting plate portion that is connected to the other outer vertical wall portion and extends horizontally in the width direction toward the inner vertical wall portion One strut extending horizontally in the width direction from the one vertical wall portion on the inner side to the other vertical wall portion on the inner side and facing a part in the longitudinal direction of the other strut connecting plate portion in the width direction A second support column connecting plate portion made of a connecting plate portion, the outer arc-shaped roof portion extending in the longitudinal direction covering the upper end portions of the plurality of second eaves from above, and the outer vertical wall portions and the second A second headboard member having the other strut connecting plate portion excluding the part functioning as a crosspiece connecting plate portion, and a second strut connecting plate portion are mounted. The second head support member to which the upper end portion of the second support post is attached and the other support post connecting plate portion excluding the part is attached and the upper end portion of each second support post is connected. An expansion joint handrail comprising a receiving member . In the expansion joint handrail according to claim 1,
The expansion joint handrail, wherein the size of the lower cross member in the width direction is set within the size of the upper cross member in the width direction. In the expansion joint handrail according to claim 1 or claim 2,
The connecting means includes a rail portion extending in the longitudinal direction formed on one of the first lower chord material and the second lower chord material, and the first lower chord material and the first lower chord material so that the rail portion is movably fitted in the longitudinal direction. 2. An expansion joint handrail comprising a pair of guide grooves extending in the longitudinal direction formed on the other of the two lower chord members, and the pair is provided separately in two upper and lower positions.

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