JP5478602B2 - Expansion joint cover fall prevention structure - Google Patents

Description

  The present invention relates to a fall prevention structure for an expansion joint cover that prevents a cover member that closes a gap between a first structure and a second structure from falling due to an earthquake or the like.

  Conventionally, the cover plate is detachably attached to the base material side with screws or the like, and in the structure of the joint portion of the cover plate in the expansion joint hardware that is connected by a rope such as a stainless wire, one end of the rope is routed. One that is secured to the cover plate with a fastener and the other end is secured to the base material with a filler sigma is known from (Patent Document 1), and is opposed to the gap between adjacent building structures. In the expansion joint that attaches the cover member to the fixed member via the engagement member, the cover member fall prevention structure connects the fixing member and the rear side protruding edge of the cover member via a connecting tool, A device in which one end of a connecting tool is fixed to a building housing side with a mounting bracket and the other end is fixed to a cover member side with a locking bracket is known from Patent Document 2.

JP 61-191744 A JP-A-63-315749

  However, the above-mentioned cover member fall prevention structure uses a different wire or connecting end fitting for the connecting member on the base or building housing side and the cover member side. In addition, since the mounting method is different for each part, it takes time to install and the construction cost increases. Further, in these fall prevention structures, one fastening metal fitting is used as a fitting structure, so that even if a retaining means is provided, separation occurs and the fall prevention effect is poor. By directly attaching to the cover, there is a problem that the mooring of the cover member by the wire or the connecting tool cannot be made sure and stable.

  The present invention solves the above-mentioned problems, and by using a clasp provided with two types of attachment parts, the clasp can be attached to the structure side or the cover member side, and the cover member falls by the mooring line. It is an object of the present invention to provide a fall prevention structure for an expansion joint cover that can be easily and reliably prevented.

In order to solve the above-mentioned problem, the invention according to claim 1 is characterized in that a cover member of the gap is attached to a first structure and a second structure adjacent to each other with a gap by a holder, and the cover member is attached to a mooring line. In the expansion joint cover fall prevention structure that prevents the cover member from falling by being moored to the structure, a mounting clasp for fastening the end of the mooring line is attached to the structure side, and a plurality of pieces are provided on the cover member side. provided the cord support portion spaced Sakuana, both ends of the mooring lines to the cord support portion of the rope supporting portion of the structure side and the cover member side is secured, the said Sakutome bracket to the structure A first attachment portion that can be attached and a second attachment portion that can be attached to the cover member are formed, and the clasp can be attached to the structure side or the cover member side. characterized in that it was.

According to a second aspect of the present invention, a cover member of the gap is attached to a first structure and a second structure adjacent to each other with a gap by a holder, and the cover member is moored to the structure by a mooring line. In the expansion joint cover fall prevention structure that prevents the cover member from falling down, attach a clasp for fastening the end of the mooring cable to the cover member side, and attach to the holder of the cover member attached to the structure side. provided the cord support portion spaced Sakuana, both ends of the mooring lines to the cord support portion of the rope supporting portion of the cover member side and the structure side is secured, the said Sakutome bracket to the structure A first attachment portion that can be attached and a second attachment portion that can be attached to the cover member are formed, and the clasp can be attached to the structure side or the cover member side. characterized in that it was.

  According to a third aspect of the present invention, in the first or second aspect, the clasp can be directly attached to the structure by tightening a screw from the attachment hole to the structure along the first attachment portion along the structure. It is characterized by being.

  According to a fourth aspect of the present invention, in any one of the first to third aspects, the cable hole opened in the cable support part of the cable clamp, and the cable hole provided in the cable support part provided in the cover member or its holder, A plurality of mooring lines are provided so as to cause meandering.

  The invention according to claim 5 is the cable hole drilled in the cable support part provided in the cable support part of the clasp and the cable support part provided in the cover member or its holder part in any one of claims 1-4. The mooring line inserted through the pier is formed of a rigid material.

  According to the first aspect of the present invention, the clasp is attached to the structure side, the rope support portion is provided on the cover member side, and the rope support portion of the rope bracket on the structure side and the rope support portion on the cover member side If both ends of the mooring line are fastened to a plurality of cable holes provided in the cover, the cover member is moored to the structure by the mooring line, and the fall when the cover member is detached from the holder due to an earthquake or the like is reliably prevented. Moreover, if the cable support part is provided on the cover member side and the mooring line is directly fixed, the number of parts can be reduced and reliable mooring can be performed.

  According to the invention of claim 2, the clasp is attached to the cover member side, the support member is provided on the holder of the cover member attached to the structure side, and the rope support portion of the clasp on the cover member side. If both ends of the mooring line are fastened to a plurality of holes provided in the structure-side cable support part, the cover member is moored by the mooring line to the structure-side holder, etc. When the holder is detached from the holder, it can be reliably prevented from falling, and if the mooring line is directly attached to the cover member holder or the like, the mooring line can be directly attached to reduce the number of parts. .

  According to the invention of claim 3, when the first attachment portion is along the structure and the screw is tightened to the structure, the clasp is firmly fixed to the structure, and the cover member is moored by the mooring line. Make sure.

  According to the fourth aspect of the present invention, when a plurality of cable holes are provided in the cable support portion of the clasp metal, the back-side ridge of the cover member, the holder thereof, and the like, the mooring cable is inserted through so as to sew the mooring cable. Therefore, even if the terminal is not tied, the mooring cable is securely fixed and does not come off or be displaced.

  According to the invention according to claim 5, when the mooring line formed of a rigid material is inserted into a plurality of cable holes so as to sew, the mooring line performs strong friction with each through hole with a restoring force and is strong. There is no risk of pulling out even when a tensile force is applied.

The perspective view which shows embodiment of the fall prevention structure of an expansion joint cover (A) (b) is a perspective view of the clasp used in the above structure Explanatory drawing of the state where the same clasp is attached to the wall of the first structure Explanatory drawing of the state where the same clasp is attached to the ceiling plate of the first structure Explanatory drawing which shows the state which attached the same clasp to the side edge of a cover member Explanatory drawing which shows the other example of the state which attached the same clasp to the side edge of a cover member Explanatory drawing which shows the further another example of the state which attached the same clasp to the side edge of a cover member The perspective view which shows another embodiment of the fall prevention structure of an expansion joint cover Top view of the structure The perspective view which shows 1st Embodiment of the fall prevention structure of the expansion joint cover of the invention which concerns on Claim 1 Top view of the structure The perspective view which shows 2nd Embodiment of the fall prevention structure of the expansion joint cover of the invention which concerns on Claim 1. Top view of the structure The perspective view which shows embodiment of the fall prevention structure of the expansion joint cover of the invention which concerns on Claim 2 Top view of the structure

  DESCRIPTION OF EMBODIMENTS Embodiments of an expansion joint cover fall prevention structure according to the present invention will be described below with reference to the drawings.

  In FIG. 1, the symbol A indicates a fall prevention structure for the expansion joint cover. When the first structure 1 and the second structure 2 adjacent to each other with the gap S are the ceiling plates (a1) and (a2), the fall prevention structure A has a field edge by the attachment portion 3 in the gap S. 4 is provided, and the cover member 6 is disposed so as to cover the gap S by engaging a protrusion 6 a provided on the back side of the cover member 6 with the holder 5. The cover member 6 is moored by the mooring line 7 to the first structure 1 or the second structure 2 so that the ridge 6a does not fall even if it is detached from the holder 5.

  As shown in FIG. 1, a clasp 8 for fastening the end of the mooring line 7 to the first structure 1 or the second structure 2 or the cover member 6 is attached to the first structure 1 with a screw 9. As shown in FIGS. 2 (a) and 2 (b), the hole 10 is formed at the opened first mounting portion 8a, and bent at one end of the first mounting portion 8a, and attached to the cover member 6 with the screw 11 shown in FIG. A narrow second mounting portion 8b having a screw hole 12 and a plurality of cable holes 14 through which the mooring line 7 is passed are provided so as to have a step 13 at the other end of the first mounting portion 8a. By forming the cable support portion 8c so as to have the cable support portion 8c, the cable stopper 8 can be attached to the first structure 1 or the second structure 2 side as well as the cover member 6 side.

  The through hole 10 formed in the first mounting portion 8a of the clasp 8 may be a known circular hole as shown in FIG. 2 (a), but opens outward as shown in FIG. 2 (b). If it is formed in a U-shape, it can be conveniently fitted from the side to a screw 9 that is temporarily fastened to the field edge 4 or the like as indicated by a chain line in FIG.

  According to the embodiment of the above configuration, since the clasp 8 includes the first and second types of attachment portions 8a and 8b, the first attachment portion 8a is adjacent to the gap S. When the first structure 1 and the second structure 2 to be performed are the wall bodies (b1) and (b2) shown in FIG. 3, for example, the screw 9 passed through the through hole 10 on the wall body (b1) side surface. The first attachment portion 8a can be attached by tightening, and the first structure 1 and the second structure 2 which are adjacent to each other with a gap S are shown in FIG. 4 by the ceiling plates (a1) and (a2). In some cases, the first mounting portion 8a can be mounted by tightening the screws 9 passed through the through holes 10 on the surface of the field edge 4 that supports each of them on the back side.

  Moreover, if the 2nd attachment part 8b is used, as shown in FIGS. 5-7, it can attach to the side edge 6b of the cover member 6 with the screw 11, and the aspect of attachment was provided in the cover member 6. It depends on the rising height of the side edge. That is, as shown in FIG. 5, when the rising height of the side edge 6b of the cover member 6 is smaller than the width of the second mounting portion 8b, the base portion of the second mounting portion 8b is turned back so that the side edge 6b is turned inward. When the rising height of the side edge 6b is large as shown in FIGS. 6 and 7, the first mounting portion 8a is placed on the back surface of the cover member 6 as shown in FIG. The second mounting portion 8b is brought into intimate contact with the inner surface of the side edge 6b and stabilized, or the first mounting portion 8a is separated from the back surface of the cover member 6 as shown in FIG. It can be attached to the cover member 6 side by tightening the screw 11 passed through the attachment hole 15 formed in the side edge 6b into the screw hole 12 by bringing the portion 8b into close contact with the side edge 6b to be stabilized. Note that the cover member shown in FIG. 7 is divided into two parts 6p and 6q, and the center part is formed so as to overlap.

  In the expansion joint cover fall prevention structure A of FIGS. 8 and 9, the first structure 1 and the second structure 2 adjacent to each other with a gap S are the ceiling plates (a1) and (a2), and A holder 5 attached to the field edge 4 by the attachment member 3 is provided in the gap S, and the cover member 6 covers the gap S by engaging a protrusion 6 a provided on the back side of the cover member 6 with the holder 5. Are arranged as follows. Then, the cover member 6 is moored to the first structure 1 or the second structure 2 by the mooring cable 7 so that the ridge 6a does not fall even if it is detached from the holder 5. The clasp 8 for fastening one end of the mooring cable 7 is attached to the field edge 4 that supports the first structure 1 and the second structure 2 on the back side with the first attachment portion 8a with screws 9, The second attachment portion 8b is attached to the side edge 6b of the cover member 6 with a screw 11.

  According to the said structure, the rope support part 8c of the clasp 8 attached to the field edge 4 with the screw 9 in the 1st structure 1 side, and the clasp 8 attached to the side edge 6b of the cover member 6 with the screw 11 If the ends of the mooring cable 7 such as a steel wire wire are inserted through three or more cable holes 14 respectively opened in the cable support part 8c of the cable, the mooring cable 7 meanders and frictionally engages with the cable hole 14 and comes off. Since strong support is provided that does not cause misalignment, the cover member 6 can be secured by the mooring line 7 even if the protrusion 6a of the cover member 6 is detached from the holder 5 in the event of an earthquake or the like. It is surely prevented from being tethered to one structure 1 and falling. Of course, this embodiment can also be applied to the case where the first structure 1 and the second structure 2 are the wall bodies (b1) and (b2) shown in FIG.

  In the expansion joint cover fall prevention structure A of FIGS. 10 and 11, the first structure 1 and the second structure 2 adjacent to each other with a gap S are the walls (b1) and (b2), and For example, the holder 5 attached to the one wall body (b1) by the attachment portion 3 is provided in the gap S, and the protrusion 5a provided on the back side of the cover member 6 is engaged with the holder 5 so that the cover member is engaged. 6 is arranged so as to cover the gap S. Then, the cover member 6 is moored to the first structure 1 or the second structure 2 by the mooring line 7 so that the ridge 6a does not fall even if it is detached from the holder 5, for example. One end of the mooring cable 7 is fixed to the cable support portion 8c of the cable stopper 8 attached to the first structure 1 or the second structure 2, but the other end is provided on the back side of the cover member 6. The ridge 6a is provided with a cable support part 17 having two or more cable holes 16 formed therein, and is fixed to the cable support part 17.

  According to the said structure, the rope support part 8c of the clasp 8 attached to the wall (b1) of the 1st structure 1 with the screw 9, and the rope support part 17 of the protrusion 6a provided in the back side of the cover member 6 are provided. In addition, a plurality of cable holes 14 and 16 are opened, and when the end of the mooring cable 7 such as a steel wire is inserted through the cable holes 14 and 16, the mooring cable 7 meanders. Since it is frictionally engaged with the hole 14 and the cable hole 16 and is firmly supported so as not to be detached or displaced, the protrusion 6a of the cover member 6 may be detached from the holder 5 when an earthquake or the like occurs. However, the cover member 6 is moored to the first structure 1 by the mooring line 7 to prevent the fall of the mooring line 7 reliably, and the protrusion on the back side of the cover member 6 is fixed to one end of the mooring line 7. By using the strip 6a for the rope support portion 17, it is possible to reduce the parts used and secure the fastening.

  The expansion joint cover fall prevention structure A shown in FIGS. 12 and 13 has the ceiling structure (a1) and (a2) in which the first structure 1 and the second structure 2 adjacent to each other with the gap S are the above-mentioned A holder 5 attached to the field edge 4 by the attachment member 3 is provided in the gap S, and the cover member 6 covers the gap S by engaging a protrusion 6 a provided on the back side of the cover member 6 with the holder 5. The cover member 6 is moored to the first structure 1 or the second structure 2 by the mooring line 7 so that the ridge 6a does not fall even if it is detached from the holder 5, for example. One end of the mooring cable 7 is fixed to the cable support portion 8c of the cable fitting 8 attached to the first structure 1 and the second structure 2 side. Cable support portion 1 in which two or more cable holes 16 are formed in the ridge 6a provided on the back side Characterized thereby fastened to.

  According to the said structure, the rope support part 8c of the clasp 8 attached to the field edge 4 with the screw 9 on the ceiling board (a1) side of the 1st structure 1, and the protrusion 6a provided in the back side of the cover member 6 When the end of the mooring cable 7 such as a steel wire wire is inserted through the plurality of cable holes 14 and 16 that are respectively opened in the cable support part 17 of the cable, the mooring cable 7 meanders to form the cable hole 14 and the cable hole. 16 is frictionally engaged with the support member 16 so that it does not come off or slip off. Therefore, even if the protrusion 6a of the cover member 6 is detached from the holder 5 in the event of an earthquake or the like, The member 6 is moored to the first structure 1 by the mooring line 7 and is prevented from falling down reliably, and the ridge 6a on the back side of the cover member 6 is connected to the end of the mooring line 7. Since it uses for the support part 17, a use part can be reduced and fastening can be ensured.

  The expansion joint cover fall prevention structure A according to the embodiment of FIGS. 14 and 15 includes the first structure 1 and the second structure 2 that are adjacent to each other with a gap S as the wall bodies (b1) and (b2). In the gap S, for example, a holder 5p and a holder 5q attached to the one wall body (b1) and the other wall material (b2) by the attachment portion 3p and the attachment portion 3q are provided. By engaging the cover member 6p, which is divided into two parts with the holder 5q, and the back surface end of the cover member 6q, the cover S is covered with the two cover members 6p, 6q. One cover member 6q is fixed to the holder 5q by a screw 18, and the other cover member 6p is moored to the first structure 1 side by a mooring line 7 to prevent the drop. One end of 7 is fixed to the rope support 8c of the rope fitting 8 attached to the side edge 6pb of the cover member 6p, and the other end is provided with a rope support 17 having two or more cable holes 16 formed in the holder 5p. The cable support portion 17 is fixed to the cable support portion 17.

  According to the above configuration, the rope support portion 17 of the holder 5p provided on the wall (b1) side of the first structure 1 and the rope support portion 8c of the clasp 8 attached to the side edge 6pb of the cover member 6p. When the ends of the mooring line 7 such as a steel wire wire are inserted through the plurality of hole 14 and the hole 16 that are respectively opened, both ends of the mooring line 7 meander and the hole 14 and the hole 16 The cover member 6p is moored to the holder 5p and reliably prevented from falling even in the event of an earthquake or the like because the frictional engagement and strong support that does not cause disconnection or displacement occur. Since the holder 5p of the cover member 6p is used as the rope support portion 17 for fastening one end of the rope 7, it is possible to reduce the number of parts used and secure the fastening.

  INDUSTRIAL APPLICABILITY The present invention is effective in providing a fall prevention structure for an expansion joint cover that can easily and reliably prevent a fall by a mooring line of a cover member so that the clasp can be attached to the structure side or the cover member side. .

A. Expansion joint cover fall prevention structure 1 1st structure 2 2nd structure S gap 5 holder 6 cover member 7 mooring cable 8 cable clamp 8a first mounting part 8b second mounting part 8c cable support part 9 screw 11 screw 13 steps 14 rope holes

Claims (5)

A cover member of the gap is attached to a first structure and a second structure adjacent to each other with a gap by a holder, and the cover member is moored to the structure by a mooring line to prevent the cover member from falling. In the anti-drop structure of the expansion joint cover,
Attach the end of the mooring cable to the structure side and install the cable support part with a plurality of cable holes on the cover member side. The structure side cable support part and the cover member side Attach both ends of the mooring line to the rope support part ,
The clasp is formed so as to have a first attachment portion that can be attached to the structure and a second attachment portion that can be attached to the cover member. Expansion joint cover fall prevention structure, characterized in that it can be attached to the cover member side as well . A cover member of the gap is attached to a first structure and a second structure adjacent to each other with a gap by a holder, and the cover member is moored to the structure by a mooring line to prevent the cover member from falling. In the anti-drop structure of the expansion joint cover,
Attach the end of the mooring cable to the cover member side, and provide a support unit with a plurality of holes in the cover member holder attached to the structure side. Attach both ends of the mooring cable to the cable support part and the cable support part on the structure side ,
The clasp is formed so as to have a first attachment portion that can be attached to the structure and a second attachment portion that can be attached to the cover member. Expansion joint cover fall prevention structure, characterized in that it can be attached to the cover member side as well .   3. The cable clamp according to any one of claims 1 to 2, wherein the clasp is attached directly to the structure by tightening a screw from the mounting hole along the structure along the first mounting portion. The expansion joint cover of the crab according to claim 1.   A plurality of cable holes provided in the cable support part of the cable clamp and a cable hole provided in the cable support part provided in the cover member or its holder are provided so as to meander the inserted mooring cable. The fall joint prevention structure for an expansion joint cover according to any one of claims 1 to 3. The cable hole opened in the cable support part of the cable clamp and the mooring cable inserted through the cable hole opened in the cable support part provided in the cover member or its holder part are formed of a rigid material. The expansion joint cover fall prevention structure according to any one of claims 1 to 4.

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