JP5562783B2 - Windproof anti-vibration ceiling suspension - Google Patents

Description

  The present invention relates to a wind-resistant anti-vibration ceiling suspension body, and more specifically, for example, in a station building where a high-speed train travels, it is arranged in a part of a suspension structure between a ceiling slab and a ceiling panel body, and a large wind pressure when passing through the train. This relates to a wind-resistant anti-vibration ceiling suspension body that prevents the ceiling panel body from blowing up and has a vibration isolation function.

  For example, in a station building where a high-speed train travels, when a structure in which a ceiling panel body is suspended from a ceiling slab above the platform as the structure of the station building, when the high-speed train travels on a rail facing the platform, A large wind pressure acts on the ceiling panel body due to the impact wind accompanying the traveling of the high-speed train hitting the ceiling panel body and the strong wind due to the typhoon or the like acting on the platform and passage facing the outdoors.

  At this time, if the wind pressure strength in the ceiling panel body suspension structure is not sufficient, the ceiling panel body itself blows up due to wind pressure, and then falls due to gravity and partially or quite extensively and falls downward. Inconvenient situations such as causing injury to passengers on the platform.

  In addition, in this type of ceiling panel body suspension structure, in addition to measures against wind pressure as described above, it is necessary to withstand the force applied by an earthquake.

  The applicant of the present application comprises a combination of two frames and a vibration isolator made of a rubber material, as shown in Patent Document 1, and each of the two frames includes a vertical piece, an upper piece, and a lower piece. A small hole is drilled in the center of one of the upper and lower pieces of each of the two frames, and a circular hole is drilled in the center of the other piece. In addition to having a continuous cut hole at the end of the piece, each upper piece and lower piece of each frame is provided with a small hole for caulking, etc., and the vibration isolator has its center In addition, a constricted portion is formed in the vicinity of the upper and lower end portions, and a washer made of steel or the like and performing a washer function is integrally joined and disposed at the upper end of the vibration isolator. Compression that is incorporated as part of the suspended structure of the ceiling panel body as a structure with a thin part at the lower end of the vibrator Proposed a vibration-proof hanging body, it has received the registration.

  According to this compression type anti-vibration suspension body, for example, when the ceiling slab side vibrates due to vibration caused by an earthquake or the like, the vibration of the ceiling panel body is reduced by the anti-vibration action of the anti-vibration body, thereby breaking the ceiling panel body. Can be prevented.

Registered Utility Model No. 3020928

  The problem to be solved by the present invention is that, by incorporating it into a part of the suspended structure of the ceiling panel body, for example, against wind pressure strength against strong winds such as shock winds accompanying high-speed train running and against the force applied by an earthquake. A wind-resistant anti-vibration ceiling suspension body that can ensure sufficient proof strength and can also prevent vibrations, and has a vibration-proof function such as the compression-type vibration-proof suspension body disclosed in Patent Document 1. There is no point.

  A wind-resistant anti-vibration ceiling suspension body according to the present invention is a wind-resistant anti-vibration ceiling suspension body that constitutes a suspension structure that suspends and supports a ceiling panel body below a ceiling slab of a building, and is made of a metal material. A suspension base composed of a frame-like body and a pair of auxiliary reinforcing pieces made of a metal material attached to both side surfaces of the frame-like body, the upper base being connected to upper suspension bolts suspended from the ceiling panel body; and the suspension The vibration isolator supported by the base and the vibration isolator are attached to the lower center of the suspension base integrally and vertically, and the lower part is connected to the ceiling panel body via the lower suspension bolts. A vibration isolator mounting support mechanism portion, a plurality of fixing tools for integrally fixing the frame body and the other auxiliary reinforcing piece, and a plurality of fixing members. One of the frame-like body and a pair of auxiliary reinforcing pieces Compressive strength and tensile strength of the suspension base are strengthened by static fixing, and the vibration isolator integrally supported on the suspension base by the vibration isolator mounting support mechanism acts on the compression side and tension side of the suspension base. The most important feature is to prevent vibrations that occur.

  According to invention of Claim 1, it consists of a frame-shaped body which consists of a metal material, and a pair of auxiliary reinforcement piece which consists of a metal material attached to the both sides | surfaces of this frame-shaped body, and upper part is drooping from a ceiling panel body The suspension base connected to the upper suspension bolt, the vibration isolator made of a rubber material supported by the suspension base, and the vibration isolator are integrally and vertically arranged at the lower center of the suspension base. A vibration isolator mounting support mechanism portion whose lower part is connected to the ceiling panel body via a lower suspension bolt, the frame body and one auxiliary reinforcing piece, and the frame body and the other auxiliary reinforcing piece A plurality of fixing tools that are integrally fixed, and by integrally fixing the frame body and the pair of auxiliary reinforcing pieces by the plurality of fixing tools, the compressive strength and tensile strength of the suspension base are enhanced. , Suspended by the vibration isolator mounting support mechanism Since the vibration isolator that is integrally supported by the body is configured to perform vibration isolation that acts on the compression side and tension side of the suspension base, it is possible to enhance the compression strength and tensile strength of the suspension base. In particular, it is possible to secure sufficient wind pressure strength in the compression direction of the suspension base against strong winds such as shock winds associated with high-speed train travel and sufficient strength to withstand earthquake forces, and it is suspended below the ceiling slab of the building. Vibration that acts on the compression side and tension side of the suspension base can be reliably prevented by preventing the lowered ceiling panel body from blowing up. It is possible to realize and provide a wind and pressure resistant vibration-proof ceiling suspension body that can also perform vibration isolation.

  According to the second aspect of the present invention, each of the rectangular flat upper piece made of a metal material, the pair of vertical pieces bent downward from both corners of the upper piece, and the pair of vertical pieces A pair of inwardly projecting pieces that are arranged in parallel with the upper piece from the lower end and bent inward, and facing each other, and outward from both side vertical edges of the pair of vertical pieces. A distance between two projecting ends of a pair of outward projecting pieces in the frame-shaped body, which is made of a metal material and a frame-like body integrally having four outward projecting pieces on each side of two projecting one sides. A rectangular additional piece having a width substantially equal to the lower end of the auxiliary piece and a lower piece provided with a recessed portion sandwiched at the protruding end and formed integrally with the lower end of the additional piece. In a state where a pair of lower pieces are attached in a state of facing a pair of inwardly projecting pieces from between a pair of vertical pieces Two auxiliary reinforcing pieces each having a pair of attached pieces attached to both side surfaces of the frame-like body, and a suspension base connected to the upper suspension bolt with the upper piece hanging from the ceiling panel body using a nut. It is made of natural rubber material, is almost cylindrical, has a through hole, and has a concavity in the outer periphery near the upper and lower end surfaces, an upper disc on the upper end, and a lower disc on the lower end. A vibration isolator supported by the suspension base, and a sandwiching recess provided in each lower piece of the pair of auxiliary reinforcing pieces, by fitting into a constricted recess on the lower side of the vibration isolator A mounting bolt that is inserted into the insertion hole of the vibration isolator supported in the suspension base while attaching an upper washer on the upper disk portion and protrudes below the suspension base, and the suspension base Attached to the lower disk part on the protruding end side of the mounting bolt protruding downward The vibration isolator is suspended by screwing and tightening the lower washer to be fitted and the threaded portion of the mounting bolt projecting to the lower side of the lower washer to the middle of the screw hole. A vibration isolator mounting / supporting mechanism portion having a connecting nut to which a lower suspension bolt is screwed from the lower side while being integrally fixed to the base, and two on each side of the frame-like body, four on each side Two outwardly projecting pieces and an additional piece of the pair of auxiliary reinforcing pieces are fixed to each other at two locations, a pair of inwardly protruding pieces in the frame-like body, and a pair of lower pieces in the pair of auxiliary reinforcing pieces A plurality of fixing tools that are fixed to each other at two locations, and fixing the outward projecting piece and the attachment piece between the frame-like body and the pair of auxiliary reinforcing pieces by the plurality of fixing tools, and The pressure of the suspension base is fixed by the fixing between the inward projecting piece and the lower piece. A structure that strengthens the compressive strength and the tensile strength, and performs vibration isolation on the compression side and the tension side of the suspension base by the vibration isolation body that is integrally supported on the suspension base by the vibration isolation body mounting support mechanism. Based on the above, it is possible to reinforce the compressive strength and tensile strength of the suspension base, particularly against the wind pressure strength in the compression direction of the suspension base and the force due to earthquake against strong winds such as shock winds associated with the traveling of high-speed trains. Sufficient strength can be secured, and it is possible to surely prevent the ceiling panel body hung under the ceiling slab of the building from being blown up. By using the vibration isolator, it is possible to realize and provide a wind-resistant anti-vibration ceiling suspension body that can also prevent vibrations acting on the compression side and the tension side of the suspension base.

  According to the invention of claim 3, in addition to the effect of the invention of claim 2, in addition to the upper piece of the frame-like body, a pair of vertical parts formed by bending downward from both corners of the short side of the upper piece Since a pair of local plastic deformation portions in a form in which the outer surface side of the suspension base is recessed in a V shape and the inner surface side bulges inward are provided in the central portion of the region that defines each boundary with the piece. In addition, the compressive strength and tensile strength of the frame-like body can be further strengthened, and in particular, the wind pressure strength in the compression direction of the suspension base against strong winds such as shock winds associated with traveling of high-speed trains can be sufficiently secured. It is possible to realize and provide a wind and pressure resistant vibration-proof ceiling suspension body that can more reliably prevent the ceiling panel body suspended below the ceiling slab of the building from blowing up.

FIG. 1 is a schematic view showing a double ceiling suspension structure using a wind-resistant vibration-proof ceiling suspension according to an embodiment of the present invention. FIG. 2 is a schematic perspective view showing a wind-resistant anti-vibration ceiling suspension body according to this embodiment. FIG. 3 is a partially cutaway front view of a wind-resistant vibration-proof ceiling suspension body according to the present embodiment. FIG. 4 is a partially cutaway side view of a wind-resistant vibration-proof ceiling suspension according to the present embodiment. FIG. 5 is a bottom view showing a state in which the connecting nut, the lower washer, and the mounting bolt are removed from the wind pressure-resistant vibration-proof ceiling suspension according to the present embodiment. FIG. 6 is a front view showing only the vibration isolator in the wind-resistant anti-vibration ceiling suspension according to the present embodiment.

  The present invention, by incorporating it in a part of the suspended structure of the ceiling panel body, can sufficiently ensure the wind pressure strength against strong winds such as shock winds associated with traveling of high-speed trains, and is resistant to vibrations caused by earthquakes and the like. Windproof and anti-vibration type anti-vibration type anti-vibration ceiling suspension body with anti-vibration function to realize and provide a suspension structure that suspends and supports the ceiling panel body under the ceiling slab of the building A suspended ceiling body made of a metal material, a rectangular flat upper piece, a pair of vertical pieces bent downward from both corners of the upper piece, and a lower end of each of the pair of vertical pieces A pair of inwardly projecting pieces that are arranged in parallel with the upper piece and facing each other inwardly, and projecting outward from both side vertical edges of the pair of vertical pieces. 4 outwardly protruding pieces on each side A frame-shaped body integrally formed, a rectangular additional piece made of a metal material and having a width substantially equal to the distance between both protruding ends of a pair of outwardly projecting pieces in the frame-shaped body, and It is formed by bending 90 degrees from the lower end, and integrally has a lower piece sandwiched at the protruding end and provided with a recess, and as a pair, the pair of lower pieces protrudes between a pair of vertical pieces. An upper suspension bolt in which the upper piece is suspended from the ceiling panel body, and is composed of two auxiliary reinforcing pieces in which a pair of attached pieces are attached to both side surfaces of the frame-like body in a state of being attached in a state of being opposed to each other. The suspension base is connected to each other with a nut, and is made of natural rubber material. It is almost cylindrical and has an insertion hole in the penetrating state. The lower disk part is formed on the lower end side of the disk part and supported by the suspension base And the anti-vibration body supported in the suspension base by fitting a sandwiching recess provided in each lower piece of the pair of auxiliary reinforcing pieces into a constriction recess on the lower side of the anti-vibration body The mounting bolt is inserted into the insertion hole with the upper washer attached on the upper disc portion, and protruded below the suspension base, and the projecting end of the attachment bolt projecting below the suspension base. By screwing the lower washer fitted to the lower disc part and the threaded part on the projecting end side of the mounting bolt projecting to the lower side of the lower washer to the middle position of the screw hole, and tightening A vibration isolator mounting support mechanism having a coupling nut to which the vibration isolator is integrally fixed to the suspension base and a lower suspension bolt is screwed from below; 4 outwardly protruding pieces on each side, 2 on each side The attachment pieces in the pair of auxiliary reinforcing pieces are fixed in two places each, and the pair of inwardly projecting pieces in the frame-like body and the pair of lower pieces in the pair of auxiliary reinforcing pieces are provided in two places each. A plurality of fixing tools that are fixed to each other, the fixing of the outward projecting piece and the additional piece between the frame-like body and the pair of auxiliary reinforcing pieces by the plurality of fixing tools, and the inward projecting piece The compression strength of the suspension base and the tensile strength are strengthened by fixing to the suspension piece, and the vibration-proof body integrally supported on the suspension base by the vibration-proof body attachment support mechanism unit, the compression side of the suspension base, Realized by a structure that prevents vibration acting on the tension side.

  Hereinafter, a wind-resistant anti-vibration ceiling suspended body according to an embodiment of the present invention will be described in detail with reference to the drawings.

  As shown in FIGS. 1 and 2 to 4, a wind-resistant anti-vibration ceiling suspension body 1 according to the first embodiment is a frame-like body 2 made of a metal material such as a stainless steel having a substantially quadrangular shape as a whole. A suspension base 11 composed of a pair of auxiliary reinforcing pieces 21 and 21 made of a metal material such as an L-shaped stainless material integrally attached to both side surfaces of the frame-like body 2, for example, natural rubber A substantially cylindrical anti-vibration body 31 made of a material (NP), and the anti-vibration body 31 are attached to the center of the lower part of the internal space formed by the suspension base 11 in a vertically arranged manner, and And a vibration isolator mounting support mechanism 41 for connecting the lower suspension bolt 61 by screwing.

  The frame-like body 2 includes a rectangular flat upper piece 3, a pair of vertical pieces 4, 4 bent downward from both corners of the upper piece 3, and a pair of vertical pieces 4, 4. A pair of inwardly projecting pieces 6, 6 that are arranged in parallel to the upper piece 3 from the lower end and bent inward, respectively, and both side vertical edges of the pair of vertical pieces 4, 4 And four outwardly projecting pieces 5 on both sides, one on each side, each projecting outward from the outside.

  A hole 7 through which the upper suspension bolt 51 is inserted is provided at the center of the upper piece 3.

  Further, in the central portion in the region defining each boundary between the upper piece 3 and the vertical pieces 4 and 4 on both sides thereof, the outer surface side of the suspension base 11 is recessed in a V shape, and the inner surface side swells inward. Local plastic deformation portions 8 and 8 are provided in the form to be taken out, and the upper part of the frame-like body 2 itself when the compressive force and the tensile force act on the frame-like body 2, that is, the upper piece 3, the vertical piece 4 is configured to prevent the deformation of the region that defines the boundary of 4, thereby increasing the compressive strength and tensile strength of the upper portion of the frame 2 in particular.

  On the projecting end side of the pair of inwardly projecting pieces 6, 6 in the frame-like body 2, as shown in FIG. 5, as shown in FIG. 6a and 6a are provided.

  The auxiliary reinforcing piece 21 includes a rectangular additional piece 22 having a width substantially equal to the distance between the protruding ends of the pair of outward protruding pieces 5 and 5 in the frame-like body 2, and the additional piece 22. A lower piece 23 formed by bending 90 degrees from the lower end is integrally formed, and two auxiliary reinforcing pieces 21 are used to be integrated with both side surfaces of the frame-like body 2 with the pair of lower pieces 23 facing each other. It comes to be attached.

  That is, the width of each lower piece 23 in each auxiliary reinforcing piece 21 is smaller than the dimension between the pair of vertical pieces 4, 4, and each lower piece 23 of the pair of auxiliary reinforcing pieces 21, 21 is paired with each other. It is mounted so as to be placed on the pair of inwardly protruding pieces 6 and 6 from between the vertical pieces 4 and 4, and the pair of additional pieces 22 and 22 are respectively applied to the side surfaces of the frame-like body 2. It is configured to be attached in contact.

  The mode of attachment of the pair of auxiliary reinforcing pieces 21 and 21 to both side surfaces of the frame-like body 2 is symmetrical.

  As shown in FIG. 5, sandwiched recesses 24, 24 each having a substantially semicircular shape are formed at the center of the protruding ends of the lower pieces 23, 23 in the pair of auxiliary reinforcing pieces 21, 21, respectively. 24 is fitted into the lower constriction recess 34 of the vibration isolator 31 so that the vibration isolator 31 is supported vertically by the pair of auxiliary reinforcing pieces 21 and 21.

  As shown in FIG. 6, the vibration isolator 31 is provided with an insertion hole 32 penetrating the mounting bolt 42 constituting the vibration isolator mounting support mechanism 41 at the center in the longitudinal direction. Further, constricted concave portions 33 and 34 are provided on the outer peripheral portion in the vicinity of the upper and lower end surfaces, respectively, and the upper disc portion 35 is formed on the upper end side and the lower disc portion 36 is formed on the lower end side.

  Further, as shown in FIG. 6, an embedded washer 37 having a hole having the same diameter as the insertion hole 32 is embedded in the upper end surface of the vibration isolator 31.

  As shown in FIGS. 2 to 4, the anti-vibration body attaching / supporting mechanism portion 41 includes sandwiching recesses 24, 24 provided on the lower pieces 23 of the pair of auxiliary reinforcing pieces 21, and the lower side of the anti-vibration body 31. The upper washer 43 is inserted into the insertion hole 32 of the vibration isolator 31 supported in the suspension base 11 by fitting into the constricted recess 34, while being attached to the upper disc part 35, A mounting bolt 42 projecting downward from the suspension base 11, and a lower washer 44 fitted to be attached to the lower disk portion 36 on the projecting end side of the mounting bolt 42 projecting downward from the suspension base 11. The anti-vibration body 31 is integrated with the suspension base 11 by screwing and tightening to the screw portion on the protruding end side of the mounting bolt 42 protruding below the lower washer 44 to the middle position of the screw hole. Fixed for example length 20 A coupling nut 45 m, which comprises a.

  Next, a fixing structure between the frame body 2 and the pair of auxiliary reinforcing pieces 21 in the suspension base 11 will be described with reference to FIGS.

  As shown in FIGS. 2 to 4, four outward projecting pieces 5 on each side of the frame-like body 2 and two additional pieces 22 and 22 in the pair of auxiliary reinforcing pieces 21 and 21, as shown in FIGS. For example, rivets 12 which are a total of four fixing tools are used, and are integrally fixed.

  That is, on one surface side of the frame-like body 2, as shown in FIGS. 2 and 3, the positions of the upper corners of the auxiliary piece 22 in the auxiliary reinforcing piece 21 and the outward direction joined to the auxiliary piece 22 The corresponding position of the projecting piece 5 is integrally fixed using a pair of rivets 12. The same applies to the other side of the frame 2.

  The pair of inwardly projecting pieces 6 and 6 in the frame-like body 2 and the pair of lower pieces 23 and 23 in the pair of auxiliary reinforcing pieces 21 and 21, as shown in FIG. For example, the rivets 12 are used to be integrally fixed.

  That is, a position outside the arcuate recesses 6a and 6a in the pair of inwardly projecting pieces 6 and 6 in the frame-like body 2 and a pair of lower pieces 23 and 23 joined to the pair of inwardly projecting pieces 6 and 6; A total of four rivets 12 having a quadrangular arrangement are fixed to each other.

  Due to the fixing structure of the frame body 2 and the pair of auxiliary reinforcing pieces 21 in the suspension base 11 as described above, the compressive strength and tensile strength of the suspension base 11 particularly on the lower side are increased.

  That is, on both surfaces of the suspension base 11, the positions of the upper corners of each attachment piece 22 in the pair of auxiliary reinforcing pieces 21 and the outward protrusions constituting the frame-like body 2 joined to each attachment piece 22. The corresponding positions of the pieces 5 are integrally fixed by using a total of four rivets 12, and the pair of inwardly projecting pieces 6 and 6 in the frame-like body 2 and the pair of auxiliary reinforcing pieces 21 and 21 are fixed. The pair of lower pieces 23 and 23 that support the vibration isolator 31 in the fitted state by the fitting recess 24 are joined to each other in an intersecting manner, and are integrally fixed using a total of four rivets 12. Yes.

  Therefore, the deformation of the pair of inwardly projecting pieces 6 and 6 in the frame-like body 2 is prevented on the lower side of the suspension base 11 when compressive force and tensile force are applied to the suspension base 11. In particular, the compressive strength and tensile strength on the lower side of the suspension base 11 are increased.

  Further, since the four outward projecting pieces 5 are projected outwardly on both sides of each of the vertical edge portions of the pair of vertical pieces 4 and 4 on each side, the suspension base 11 is provided. On the other hand, it is possible to prevent deformation of the pair of vertical pieces 4 and 4 of the frame-like body 2 when compressive force and tensile force are applied.

  As a result, compared with the suspension base composed of a combination of two frames of Patent Document 1, according to the wind-resistant anti-vibration ceiling suspension body 1 of this embodiment, the lower region of the suspension base 11, the pair of vertical pieces 4, The compressive strength and the tensile strength when the compressive force and the tensile force are applied over the respective regions of the region 4 and the upper region of the frame-like body 2, that is, over the entire suspension base 11, can be improved.

  As an example of the specific specifications of the wind-resistant vibration-proof ceiling suspension body 1 of the present invention, a wind-resistant load, that is, a compressive load can be 10,000 N, and a tensile load can be 7000 N. Further, an example of an allowable load of the vibration isolator 31 is 300N, and a static spring constant is 70 (N / mm).

  Next, an example of a ceiling suspension structure using the wind-resistant vibration-proof ceiling suspension body 1 according to the first embodiment will be described with reference to FIG.

  As shown in FIG. 1, this ceiling suspension structure is one in which, for example, a double ceiling body 60, which is an example of a ceiling panel body, is horizontally suspended below a ceiling slab 52, and the frame constituting the suspension base 11. The upper suspension bolt 51 is inserted into the hole 7 provided in the upper piece 3 of the shaped body 2 and the pair of nuts 53 screwed so as to sandwich the upper piece 3 with the upper suspension bolt 51 are tightened. The upper side of the suspension base 11 in the wind-proof type vibration-proof ceiling suspension 1 is firmly connected to the upper suspension bolt 51.

  Further, a screw portion on the upper end side of the lower suspension bolt 61 is screwed from below into the screw hole of the connection nut 45 in the wind-proof vibration-proof ceiling suspension body 1 and the suspension projecting upward from the double ceiling body 60. By passing the lower end side of the lower suspension bolt 61 through the horizontally bent upper piece 62a of the metal fitting 62 and tightening a pair of nuts 63 screwed to the lower suspension bolt 61 so as to sandwich the upper piece 62a, The lower side of the suspension base 11 in the wind-proof vibration-proof ceiling suspension 1 is firmly connected to the lower suspension bolt 61, and the double ceiling 60 is suspended below the ceiling slab 52.

  In FIG. 1, only the ceiling suspension structure using one wind-resistant anti-vibration ceiling suspension 1 is shown, but actually, as described above using a large number of wind-resistant anti-vibration ceiling suspensions 1. Needless to say, the double ceiling body 60 is suspended by providing a large number of suspension structures.

  Next, the action of the wind-resistant anti-vibration ceiling suspension body 1 according to the first embodiment will be described mainly with respect to wind-resistant operation against strong winds that blow up the double ceiling body 60.

  According to the wind and pressure resistant vibration-proof ceiling suspension body 1 according to the first embodiment, as described above, the lower region of the suspension base 11, the region of the pair of vertical pieces 4 and 4, and the upper region of the frame-like body 2. The compressive strength and the tensile strength when the compressive force and the tensile force are applied to each part, that is, the entire suspension base 11 are improved.

  Thereby, in the case where the wind-resistant anti-vibration ceiling suspension body 1 is adopted in a part of the ceiling suspension structure as described above in a station building where a high-speed train travels, a strong wind such as a shock wind accompanying the traveling of the high-speed train It is possible to sufficiently secure the wind pressure strength of the entire ceiling suspension structure with respect to the ceiling, and the double ceiling body 60 itself is blown up by the wind pressure, and then falls due to gravity and is partially or considerably damaged over a wide range. It becomes possible to avoid the situation from occurring. In addition, even when the double ceiling body 60 itself is about to be displaced upward due to strong earthquake vibration, the double ceiling body 60 itself is lifted by the improvement of the compressive strength of the wind-resistant anti-vibration ceiling suspension body 1. After that, it is possible to avoid the occurrence of an unfavorable situation such as a drop due to gravity and partial or fairly wide damage.

  Further, for example, when the ceiling slab 52 vibrates up and down due to vibration accompanying traveling of a high-speed train, the ceiling slab 52 is transmitted from the ceiling slab 52 through the upper suspension bolt 51 to the wind-resistant anti-vibration ceiling suspension body 1 of the first embodiment. The vibration to be applied is attached to the lower center of the internal space formed by the suspension base 11 by the vibration isolator attachment support mechanism 41 in an integrated and vertical arrangement, and further, the tensile load by the double ceiling body 60 Is effectively anti-vibrated in the same manner as in the case of Patent Document 1 by the anti-vibration body 31 acting via the connection nut 45 and the mounting bolt 42, and the anti-vibration in the vertical direction of the double ceiling body 60 is achieved. Can do.

  The wind-resistant anti-vibration ceiling suspension body of the present invention is widely applied as a part of a suspension structure for hanging and supporting a ceiling panel body below a ceiling slab in various buildings, factory buildings, etc. Is possible.

DESCRIPTION OF SYMBOLS 1 Wind-resistant anti-vibration ceiling suspension body 2 Frame-shaped body 3 Upper piece 4 Vertical piece 5 Outward projecting piece 6 Inward projecting piece 6a Arc-shaped recessed part 7 Hole part 8 Local plastic deformation part 11 Suspension base 12 Rivet 21 Auxiliary reinforcement piece 22 Attached piece 23 Lower piece 24 Clamping recess 31 Vibration isolator 32 Insertion hole 33 Constriction recess 34 Constriction recess 35 Upper disk part 36 Lower disk part 37 Embedded washer 41 Vibration isolator attachment support mechanism part 42 Mounting bolt 43 Upper washer 44 Lower washer 45 Connection nut 51 Upper suspension bolt 52 Ceiling slab 53 Nut 60 Double ceiling body 61 Lower suspension bolt 62 Hardware 62a Upper piece 63 Nut

Claims (3)

A wind-resistant anti-vibration ceiling suspension body that constitutes a suspension structure that suspends and supports a ceiling panel body below a ceiling slab of a building,
A suspension base composed of a frame body made of a metal material and a pair of auxiliary reinforcing pieces made of a metal material attached to both side surfaces of the frame body, the upper base being connected to an upper suspension bolt hanging from the ceiling slab; ,
A vibration isolator made of a rubber material supported by the suspension base;
The vibration isolator is attached to the lower center of the suspension base integrally and vertically, and the lower part is connected to the ceiling panel via a lower suspension bolt,
A plurality of fixing tools for integrally fixing the frame-shaped body and one auxiliary reinforcing piece, the frame-shaped body and the other auxiliary reinforcing piece, respectively;
Have
The frame body and the pair of auxiliary reinforcing pieces are integrally fixed by a plurality of fixing tools to enhance the compressive strength and tensile strength of the suspension base, and to the suspension base by the vibration isolator mounting support mechanism. The vibration isolator supported on the suspension base is designed to prevent vibration acting on the compression side and tension side of the suspension base,
Windproof anti-vibration ceiling suspension body characterized by A wind-resistant anti-vibration ceiling suspension body that constitutes a suspension structure that suspends and supports a ceiling panel body below a ceiling slab of a building,
Made of a metal material, a square and flat upper piece, a pair of vertical pieces bent downward from both corners of the upper piece, and a parallel arrangement with the upper piece from the lower ends of the pair of vertical pieces, In addition, a pair of inwardly projecting pieces that are bent and formed inwardly facing each other, and two on one side each projecting outward from the vertical edge portions on both sides of the pair of vertical pieces. A frame-shaped body integrally including a plurality of outward projecting pieces and a rectangular-shaped accessory having a width substantially equal to the distance between both projecting ends of the pair of outward projecting pieces in the frame-shaped body. It is integrally formed with an installation piece and a lower piece that is bent 90 degrees from the lower end of the attachment piece and is provided with a recessed portion sandwiched at the protruding end. A pair of attachment pieces are attached to both sides of the frame-like body in a state of being attached in a state of being opposed to a pair of inwardly protruding pieces from between the pieces. A hanging base coupled with two auxiliary reinforcement piece was additionally provided, made, the nut on the upper hanger rod depending from the ceiling slab upper piece in,
It is made of natural rubber and has a substantially cylindrical shape. The insertion hole is provided in a penetrating state, each of the outer peripheral portions near the upper and lower end surfaces is provided with a constricted recess, the upper disc portion on the upper end side, and the lower disc portion on the lower end side A vibration isolator supported by the suspension base;
With respect to the insertion hole of the vibration isolator supported in the suspension base by fitting the sandwiching recess provided in each lower piece of the pair of auxiliary reinforcing pieces into the constricted recess on the lower side of the vibration isolator. A mounting bolt that is inserted through the upper disk part while being attached to the upper disk part, and protrudes downward from the suspension base; and a protruding end of the attachment bolt that protrudes downward from the suspension base is connected to the lower disk part. By screwing and tightening the lower washer to be attached and the screw part on the protruding end side of the mounting bolt protruding to the lower side of the lower washer to the middle position of the screw hole, the vibration isolator is A vibration isolator mounting support mechanism having a coupling nut that is integrally fixed to the suspension base and into which a lower suspension bolt is screwed from below.
A pair of inwardly projecting pieces in the frame-like body, each of which has two outwardly projecting pieces on each side of the frame-like body, and two attachment pieces in the pair of auxiliary reinforcing pieces, respectively. And a plurality of fixing tools for fixing the pair of lower pieces of the pair of auxiliary reinforcing pieces at two places each,
Have
The suspension base is compressed by fixing the outward projecting piece and the attachment piece between the frame-shaped body and the pair of auxiliary reinforcing pieces by a plurality of fixing tools, and fixing the inward projecting piece and the lower piece. In addition to strengthening the strength and tensile strength, the vibration isolator that is integrally supported by the suspension base by the vibration isolator mounting support mechanism unit is used to prevent vibration acting on the compression side and the tension side of the suspension base. What
Windproof anti-vibration ceiling suspension body characterized by A wind-resistant anti-vibration ceiling suspension body that constitutes a suspension structure that suspends and supports a ceiling panel body below a ceiling slab of a building,
Made of a metal material, a square and flat upper piece, a pair of vertical pieces bent downward from both corners of the upper piece, and a parallel arrangement with the upper piece from the lower ends of the pair of vertical pieces, In addition, a pair of inwardly projecting pieces that are bent and formed inwardly facing each other, and two on one side each projecting outward from the vertical edge portions on both sides of the pair of vertical pieces. A frame-shaped body integrally including a plurality of outward projecting pieces and a rectangular-shaped accessory having a width substantially equal to the distance between both projecting ends of the pair of outward projecting pieces in the frame-shaped body. It is integrally formed with an installation piece and a lower piece that is bent 90 degrees from the lower end of the attachment piece and is provided with a recessed portion sandwiched at the protruding end. A pair of attachment pieces are attached to both sides of the frame-like body in a state of being attached in a state of being opposed to a pair of inwardly protruding pieces from between the pieces. A hanging base coupled with two auxiliary reinforcement piece was additionally provided, made, the nut on the upper hanger rod depending from the ceiling slab upper piece in,
The outer surface side of each suspension base provided in the central portion of the region defining each boundary between the upper piece of the frame-like body and a pair of vertical pieces bent downward from both corners of the short side of the upper piece is V-shaped. A pair of local plastic deformation portions in a form in which the inner surface side bulges inward,
It is made of natural rubber and has a substantially cylindrical shape. The insertion hole is provided in a penetrating state, each of the outer peripheral portions near the upper and lower end surfaces is provided with a constricted recess, the upper disc portion on the upper end side, and the lower disc portion on the lower end side A vibration isolator supported by the suspension base;
With respect to the insertion hole of the vibration isolator supported in the suspension base by fitting the sandwiching recess provided in each lower piece of the pair of auxiliary reinforcing pieces into the constricted recess on the lower side of the vibration isolator. A mounting bolt that is inserted through the upper disk part while being attached to the upper disk part, and protrudes downward from the suspension base; and a protruding end of the attachment bolt that protrudes downward from the suspension base is connected to the lower disk part. By screwing and tightening the lower washer to be attached and the screw part on the protruding end side of the mounting bolt protruding to the lower side of the lower washer to the middle position of the screw hole, the vibration isolator is A vibration isolator mounting support mechanism having a coupling nut that is integrally fixed to the suspension base and into which a lower suspension bolt is screwed from below.
A pair of inwardly projecting pieces in the frame-like body, each of which has two outwardly projecting pieces on each side of the frame-like body, and two attachment pieces in the pair of auxiliary reinforcing pieces, respectively. And a plurality of fixing tools for fixing the pair of lower pieces of the pair of auxiliary reinforcing pieces at two places each,
Have
Fixing the outward projecting piece and the additional piece in the frame-like body and the pair of auxiliary reinforcing pieces by a plurality of fixing tools, fixing the inward projecting piece and the lower piece, and the pair of The local plastic deformation part strengthens the compressive strength and tensile strength of the suspension base, and the vibration isolator integrally supported on the suspension base by the vibration isolator mounting support mechanism part allows the compression side and tension side of the suspension base to be compressed. To prevent vibrations acting on the
Windproof anti-vibration ceiling suspension body characterized by

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