CN211772802U

CN211772802U - Multidirectional full-displacement comb plate expansion device

Info

Publication number: CN211772802U
Application number: CN201921994082.0U
Authority: CN
Inventors: 李雄; 伍大成
Original assignee: Chengdu Jitong Road And Bridge Technology Co ltd
Current assignee: Jitong Intelligent Equipment Co ltd
Priority date: 2019-10-31
Filing date: 2019-11-19
Publication date: 2020-10-27
Anticipated expiration: 2029-11-19
Also published as: CN110725199A

Abstract

The utility model discloses a multidirectional full displacement fishback telescoping device, including the fishback that sets up in pairs, the fishback includes first fishback and second fishback, the fishback bottom surface is connected with the gallows, gallows and limit gallows in the middle of the mutual correspondence, middle gallows is located the bottom surface of the comb shape tooth top of first fishback and second fishback respectively, the limit gallows is located the bottom surface of first fishback and second fishback limit portion respectively, wear to be equipped with supporting beam between limit gallows and the middle gallows, the supporting beam both ends extend to the box on the both sides roof beam body in, the length direction that supporting beam can be followed to middle gallows slides. The telescoping device both sides all have the multidirectional function that shifts, effectively overcome current fishback telescoping device perk tooth problem, and the relative slip of supporting beam and middle gallows improves the shock attenuation energy-absorbing function of telescoping device simultaneously, reduces the noise that the vehicle produced when passing through, improves the driving travelling comfort.

Description

Multidirectional full-displacement comb plate expansion device

Technical Field

The utility model relates to a bridge telescoping device field, concretely relates to multidirectional full displacement fishback telescoping device.

Background

At present, a highway expansion device used by domestic highway bridges and having a displacement of 160mm is mainly provided with a module expansion device and a comb-tooth-shaped plate type expansion device, the module expansion device is suitable for vertical and transverse bridge-direction rotation of a beam body well, but the installation depth is deep, and the beam end structure of the beam body is influenced; the comb-tooth-shaped plate type telescopic device has the advantages of smooth driving, small impact force, small noise, shallow installation depth and the like, but the traditional transverse bridge has poor rotation capability, and when a beam body generates transverse, vertical and torsional deflection, the telescopic device is easy to damage, and the driving safety is influenced.

At present, the multidirectional displacement telescopic device used in China mainly solves the multidirectional displacement function of one side, and the comb plate of the other side is easy to warp teeth, so that the driving comfort is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multidirectional fishback telescoping device that shifts entirely for solve the telescoping device and only the unilateral has the multidirectional function that shifts, the perk tooth easily takes place for current fishback telescoping device, the relatively poor problem of telescoping device rotation performance adopts the elastic support system simultaneously, improves the shock attenuation energy-absorbing function of telescoping device, reduces the noise that the vehicle produced when passing through, improves the driving travelling comfort.

In order to solve the technical problem, the utility model discloses a following scheme:

the utility model provides a multidirectional full displacement fishback telescoping device, includes first fishback and the second fishback that sets up in pairs, the fishback bottom surface is connected with the gallows, gallows and limit gallows in the middle of including mutual correspondence, middle gallows is located the bottom surface of the comb shape tooth of first fishback and second fishback respectively, the limit gallows is located the bottom surface of first fishback and second fishback limit portion respectively, wear to be equipped with supporting beam between limit gallows and the middle gallows, the supporting beam both ends extend to the box on the roof beam body of both sides in, middle gallows can slide along supporting beam's length direction.

Due to the adoption of the technical scheme, the utility model comprises a plurality of groups of comb plates which are arranged in pairs along the length direction of the beam seam, the paired comb plates are arranged on the beam bodies at two sides of the beam seam, each comb plate comprises a first comb plate and a second comb plate which are respectively arranged on the beam bodies at two sides, the bottom surface of each comb plate is fixedly connected with a hanger, each hanger comprises a middle hanger and a side hanger, the middle hangers are fixed on the bottom surfaces of comb tooth tops of the first comb plate and the second comb plate through bolts, the side hangers are respectively connected with the bottom surfaces of the edge parts of the first comb plate and the second comb plate, the edge parts are end surfaces opposite to the comb tooth, a supporting beam is arranged below the comb plates and simultaneously penetrates through the middle hangers and the side hangers of the bottom surfaces of the first comb plate and the second comb plate, two ends of the supporting beam extend into the boxes on the beam bodies at two sides, the hangers can relatively slide along the length direction of the supporting beam, and the middle, the side hanger is arranged on the edge of the comb plate, so that a simply supported beam structure is formed, the vertical bearing capacity of the comb teeth is obviously enhanced on a bridge road with large displacement, the vertical load above the comb teeth can be effectively transmitted to the middle hanger and the side hanger, the middle hanger disperses the force on the supporting beam, and then the supporting beam transmits the force to the pier and the ground through the box body on the beam body, so that the risks of tooth warping and tooth breakage caused by overlarge displacement can be avoided, the travelling comfort and safety of a vehicle are improved, the hanger can slide along the length direction of the supporting beam, when the bridge receives the pulling force or the extrusion force from the travelling direction, the hanger can well utilize the sliding relative to the supporting beam to buffer and absorb energy of the telescopic device, the shock absorption function of the telescopic device is improved, the damage of external force to the telescopic device is reduced, when the beam body is subjected to the pulling force, the slot between first fishback and the second fishback crescent, the centre gallows of two fishback bottom surfaces is close to gradually, gallows in the middle of up to two are contact each other, the tensile volume that reaches of fishback telescoping device this moment, when the roof beam body receives the extrusion force, the slot between first fishback and the second fishback reduces gradually, the centre gallows of two fishback bottom surfaces is kept away from each other gradually, when the complete meshing of two fishbacks, the fishback telescoping device is extruded to the at utmost this moment, the distance of two middle gallows is the biggest, so reciprocating tensile receives the shrinkage, play the effect of buffering power consumption, supporting beam can also effectually reduce the telescoping device and receive the influence of vertical and horizontal direction's shearing external force, strengthen the multidirectional function that shifts of whole telescoping device both sides.

Further, as preferred technical scheme, the gallows includes the roof and is located the staple bolt that the roof bottom surface is used for supporting the crossbeam to pass, and roof length is the same with the length of fishback, and the roof of middle gallows is connected with every comb shape tooth of fishback, the staple bolt is equipped with two at least.

Owing to adopt above-mentioned technical scheme, the gallows includes the staple bolt that roof and roof bottom surface are connected, be equipped with two at least staple bolts on the same gallows, all wear to be equipped with supporting beam in the staple bolt on the same transverse axis, can be according to the specific length of expansion joint, select supporting beam's quantity, supporting beam's quantity is more, the vertical bearing capacity of comb shape tooth is stronger more, roof length is the same with comb plate's length, the roof and comb plate limit portion bottom surface fixed connection of limit gallows, the roof of middle gallows passes through bolt fixed connection with every comb shape tooth on the comb plate, the roof is connected all comb shape teeth of homonymy into a whole, also connect the staple bolt into an organic whole simultaneously, it is too big to prevent that comb shape tooth top from loading, cause comb shape tooth perk, broken tooth and the staple bolt atress of below are inhomogeneous, strengthen.

Furthermore, as a preferred technical scheme, the hoop comprises two vertical side plates and a bottom plate, the top ends of the two side plates are vertically connected with the top plate, the two side plates are parallel to each other, and the upper surface of the bottom plate is connected with the bottom ends of the two side plates.

Due to the adoption of the technical scheme, the hoop comprises the two vertical side plates and the bottom plate, the top ends of the two side plates are perpendicularly connected with the bottom surface of the top plate, the two side plates are parallel to each other, the upper surface of the bottom plate is fixedly connected with the bottom ends of the two side plates, a cavity is formed between the two side plates, the bottom plate and the supporting cross beam, and the cavity is matched with the supporting cross beam to facilitate the penetration of the supporting cross beam.

Further, as a preferred technical scheme, the bottom surface of the top plate is connected with a rib plate and a triangular plate, the rib plate is located between two adjacent hoops on the same hanger, and the triangular plate is located at two ends of the top plate and connected with the side faces of the hoops.

Owing to adopt above-mentioned technical scheme, be connected with the floor between two adjacent staple bolts on same gallows, the floor is fixed with the roof bottom surface, the triangle is the right angled triangle, the triangle is located the bottom surface at roof both ends, one of them right-angle side is connected with the roof bottom surface, another right-angle side is connected with the staple bolt side, triangle and floor play the effect of strengthening rib to the roof, the vertical bearing capacity of reinforcing roof, and when the horizontally dislocation takes place at two roof beam bodies, because supporting beam wears to establish in the staple bolt, supporting beam receives the shearing force that comes from two roof beam bodies, at this moment, supporting beam can give an extrusion force of staple bolt along the direction of roof beam seam length, it takes place deformation to probably cause the staple bolt, influence the flexible of two comb plates, and the bearing capacity of staple bolt can be strengthened to triangle and floor, make the staple bolt be difficult for taking place deformation.

Furthermore, as a preferred technical scheme, a first elastic support and a second elastic support are respectively arranged between the supporting beam and the middle hanger and between the top plate and the bottom plate of the side hanger, a third elastic support is arranged between the upper surface and the lower surface of the supporting beam and the box body, a stainless steel sliding plate is arranged on the upper surface and the lower surface of the supporting beam, and polytetrafluoroethylene plates are arranged on the contact surfaces of the first elastic support, the second elastic support and the third elastic support and the supporting beam.

By adopting the technical scheme, the first elastic support is fixedly connected between the top plate and the bottom plate of the supporting beam and the middle hanger, the second elastic support is fixedly connected between the top plate and the bottom plate of the side hanger, the third elastic support is fixed between the upper surface and the lower surface of the supporting beam and the box body, the stainless steel sliding plate is arranged on the upper surface and the lower surface of the supporting beam, the polytetrafluoroethylene plates are arranged on the contact surfaces of the first elastic support, the second elastic support, the third elastic support and the supporting beam, the stainless steel sliding plates are welded on the upper surface and the lower surface of the supporting beam, the stainless steel sliding plate is convenient to slide relative to the first elastic support, the second elastic support and the third elastic support, the friction resistance is reduced, and the friction resistance is improved.

Further, as preferred technical scheme, the limit portion of first fishback and second fishback is equipped with vertical baffle respectively, be equipped with the rubber slab between the limit portion of baffle and fishback, the internal anchor steel sheet of baffle side tie-beam, the bottom surface and the box upper surface connection of baffle, anchor steel sheet and the internal anchor reinforcing bar of roof beam are connected.

By adopting the technical scheme, the edge parts of the first comb plate and the second comb plate are respectively connected with a vertical baffle plate, the edge parts are end faces opposite to the comb-shaped teeth, the baffle plates are arranged along the length direction of the comb plate, the length of the baffle plates is the same as that of the comb plate, the upper surface of the baffle plates is flush with the comb plate and the road surface, thus the smooth passing of vehicles can be ensured, the baffle plates can effectively protect the edge part of the beam body at the left side from being crushed by the vehicles, the left side surface of the baffle plates is firmly welded with the anchoring steel plate in the beam body, the bottom surface of the baffle plates is firmly welded with the upper surface of the box body, the anchoring steel plate is firmly welded with the anchoring steel bar in the beam body, the baffle plates and the whole beam body are connected into a whole, a rubber plate is connected between the baffle plate and the edge parts of the comb plate, the upper end face and the lower end face of the rubber, the rubber plate can guarantee that there is the rotation space when the fishback level and vertical rotation, plays a cushioning effect, makes and produces a flexible swing between limit gallows and the box.

Furthermore, as a preferred technical scheme, a first pressing plate and a second pressing plate are respectively arranged at the contact ends of the box body and the side hanging bracket and the rubber plate, the first pressing plate and the second pressing plate are connected through a bolt, a third pressing plate is arranged at the right end of the bolt, and a spring positioned between the second pressing plate and the third pressing plate is sleeved on the bolt.

Due to the adoption of the technical scheme, the end faces of the box body and the side hanging frame in contact with the rubber plate are respectively and fixedly connected with the first pressing plate and the second pressing plate, a welded connection mode is adopted, the first pressing plate and the second pressing plate are movably connected through the bolt, a certain rotation gap is kept between the side hanging frame and the box body, the right end of the bolt is connected with the third pressing plate, the bolt is sleeved with the spring, the spring is located between the second pressing plate and the third pressing plate, the spring ensures that the side hanging frame can rotate along with the vertical direction and the horizontal direction of the upper comb plate, and the telescopic device is stretched while ensuring that the side hanging frame does not slide along the length direction of the cross beam.

Further, as preferred technical scheme, the box is fixed connection with the embedded steel bars of the beam body.

Due to the adoption of the technical scheme, the box body is fixedly welded with the embedded steel bars of the beam body, so that the box body and the beam body form a whole.

Further, as a preferred technical scheme, angle steels are arranged at two opposite ends of the two side beam bodies, and a water stopping adhesive tape is connected between the two side angle steels.

By adopting the technical scheme, the water-stopping adhesive tapes of the telescopic device are fixed on the angle steels of the beam bodies at two sides through the screws, and the concrete wraps the water-stopping adhesive tapes and the angle steels together, so that the waterproof sealing function is achieved.

The utility model discloses beneficial effect who has:

1. comb plate limit portion fixes on the limit gallows, the comb shape tooth is fixed on middle gallows, make whole comb plate be the simple beam structure with the connected mode of gallows, this kind of structure makes comb plate have good bearing capacity, be difficult for taking place risks such as the tooth of sticking up, guarantee the safety of driving, the staple bolt on staple bolt and the limit gallows of the middle gallows that the supporting beam passed first comb plate and second comb plate bottom surface, staple bolt on the middle gallows can be followed supporting beam length direction and slided, when the roof beam body receives pulling force or extrusion force, the effectual energy-consuming effect of buffering that plays, the travelling comfort of driving is improved.

2. The supporting beam has two ends extending into the box body of the beam bodies on two sides, a rubber plate between the edge hanging bracket and the box body can ensure that a rotation space exists when the comb plate horizontally and vertically rotates, a buffer effect is achieved, flexible swing is generated between the edge hanging bracket and the box body, the spring between the second pressing plate and the third pressing plate ensures that the edge hanging bracket can vertically and horizontally rotate along with the comb plate on the upper portion, the stretching device is stretched while the edge hanging bracket is ensured not to slide along the length direction of the beam, and the vertical and horizontal rotation between the supporting beam and the box body is flexible.

3. Be connected with vertical baffle respectively in the limit portion of first fishback and second fishback, limit portion promptly with the opposite terminal surface of comb shape tooth, the baffle sets up along fishback length direction, baffle length is the same with fishback length, the baffle upper surface flushes with fishback and road surface, can guarantee the ride comfort that the vehicle passed through like this, the border part that the baffle can the left roof beam body of effectual protection can not come by toward the vehicle crush.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is a schematic view of the hanger;

fig. 5 is a maximum displacement diagram of the two comb plates of the present invention;

fig. 6 is a middle displacement diagram of the two comb plates of the utility model;

figure 7 is the maximum displacement diagram of the two comb plate extrusion of the utility model

Reference numerals: 1-first comb plate, 2-second comb plate, 3-middle hanger, 4-side hanger, 5-supporting beam, 6-top plate, 7-first elastic support, 8-second elastic support, 9-third elastic support, 10-box, 11-first pressing plate, 12-baffle plate, 13-rubber plate, 14-second pressing plate, 15-spring, 16-third pressing plate, 17-bolt, 18-water-stop adhesive tape, 19-beam body, 20-embedded steel bar, 21-ribbed plate, 22-triangular plate, 23-hoop, 231-side plate, 232-bottom plate, 24-anchoring steel plate, 25-anchoring steel bar and 26-angle steel.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

The utility model provides a multidirectional full displacement fishback telescoping device, includes first fishback 1 and the second fishback 2 that sets up in pairs, the fishback bottom surface is connected with the gallows, the gallows includes gallows 3 and limit gallows 4 in the middle of the mutual correspondence, middle gallows 3 is located the bottom surface of the comb shape tooth of first fishback 1 and second fishback 2 respectively, limit gallows 4 is located the bottom surface of first fishback 1 and the 2 limit portion of second fishback respectively, wear to be equipped with supporting beam 5 between limit gallows 4 and the middle gallows 3, supporting beam 5 both ends extend to the box 10 on the roof beam body 19 of both sides in, middle gallows 3 can slide along the length direction of supporting beam 5.

Specifically, as shown in fig. 1-3, the utility model comprises a plurality of groups of comb plates arranged in pairs along the length direction of the beam seam, the paired comb plates are mounted on the beam bodies at both sides of the beam seam, each comb plate comprises a first comb plate 1 and a second comb plate 2 respectively positioned on the beam bodies 19 at both sides, the bottom surfaces of the two comb plates are fixedly connected with a hanger, the hanger comprises a middle hanger 3 and a side hanger 4, the middle hanger 3 is fixed on the bottom surfaces of the comb tooth tops of the first comb plate 1 and the second comb plate 2 through an anchoring bolt, the side hangers 4 are respectively connected with the bottom surfaces of the sides of the first comb plate 1 and the second comb plate 2, the sides are the end surfaces opposite to the comb teeth, a supporting beam 5 is arranged below the comb plates and penetrates through the middle hanger 3 and the side hanger 4 of the bottom surfaces of the first comb plate 1 and the second comb plate 2, both ends of the supporting beam 5 extend into the box body 10 on the beam bodies 19 at both sides, the middle hanger 3 can slide along the length direction of the supporting beam 5, the middle hanger 3 is arranged on the bottom surface of the comb-shaped teeth, the side hanger 4 is arranged on the edge of the comb plate, so that a simple beam structure is formed, the vertical bearing capacity of the comb-shaped teeth is obviously enhanced on a bridge road with large displacement, the vertical load above the comb-shaped teeth can be effectively transmitted to the middle hanger 3 and the side hanger 4, the middle hanger 3 disperses the force on the supporting beam 5 and then the supporting beam 5 is transmitted to a pier and a ground through the box body 10 on the beam body 19, so that the risks of tooth warping and tooth breakage caused by overlarge displacement can not occur due to the length of the comb-shaped teeth, the comfort and the safety of driving are improved, the middle hanger 3 can slide along the length direction of the supporting beam, and when the hanger receives pulling force or extrusion force from the driving direction, the hanger can well utilize the sliding relative to the supporting beam 5 to buffer the expansion device, the shock absorption and energy absorption functions of the expansion device are improved, the damage of external force to the expansion device is reduced, as shown in fig. 5-7, when the beam body 19 is under the action of tensile force, the tooth gaps between the first comb plate 1 and the second comb plate 2 are gradually increased, the middle hangers 3 at the bottom surfaces of the two comb plates are gradually close to each other until the two middle hangers 3 are contacted with each other, the expansion device of the comb plates reaches the maximum stretching amount, when the beam body 19 is under extrusion force, the tooth gaps between the first comb plate 1 and the second comb plate 2 are gradually reduced, the middle hangers 3 at the bottom surfaces of the two comb plates are gradually far away from each other, when the two comb plates are completely meshed, the expansion device of the comb plates is extruded to the maximum degree, the distance between the two middle hangers 3 is the maximum, so that the reciprocating stretching is contracted, the buffering and energy consumption functions are achieved, the supporting beam 5 can also effectively reduce the influence of the expansion device under the external shearing force in the vertical and horizontal directions, the multidirectional displacement function of the two sides of the whole telescopic device is enhanced.

On the basis of the above-mentioned embodiment, the gallows includes roof 6 and is located 6 bottom surfaces of roof and is used for the staple bolt 23 that supporting beam 5 passed, and roof 6 length is the same with the length of fishback, and roof 6 of middle gallows 3 is connected with every comb shape tooth of fishback, staple bolt 23 is equipped with two at least.

Specifically, the hanger comprises a top plate 6 and hoops 23 connected with the bottom surface of the top plate 6, at least two hoops 23 are arranged on the same hanger, the supporting beams 5 are arranged in the hoops 23 on the same transverse axis in a penetrating way, the number of the supporting beams 5 can be selected according to the specific length of the expansion joint, the more the number of the supporting beams 5 is, the stronger the vertical bearing capacity of the comb-shaped teeth is, the length of the top plate 6 is the same as that of the comb plate, the top plate 6 of the side hanger 4 is fixedly connected with the bottom surface of the edge part of the comb plate, the top plate 6 of the middle hanger 3 is fixedly connected with each comb-shaped tooth on the comb plate through the anchoring bolt, the top plate 6 connects all the comb-shaped teeth on the same side into a whole, meanwhile, the anchor ear 23 is connected into a whole, so that the phenomenon that the comb-shaped teeth are warped, the teeth are broken and the anchor ear 23 below the comb-shaped teeth is stressed unevenly due to overlarge load above the comb-shaped teeth is avoided, and the bearing capacity of the whole device is enhanced.

On the basis of the above embodiment, as shown in fig. 4, the anchor ear 23 includes two vertical side plates 231 and a bottom plate 232, the top ends of the two side plates 232 are vertically connected to the top plate 6, the two side plates 231 are parallel to each other, and the upper surface of the bottom plate 232 is connected to the bottom ends of the two side plates 232.

Specifically, staple bolt 23 includes two vertical curb plates 231 and a bottom plate 232, and the top of two curb plates 231 is connected with the bottom surface of roof 6 is perpendicular, and both sides 231 are parallel to each other, and the upper surface and the both sides 231 bottom end fixed connection of bottom plate 232 form a cavity between both sides 231, bottom plate 232 and supporting beam 5, and this cavity and supporting beam 5 phase-match are convenient for supporting beam 5's the passing.

On the basis of the above embodiment, the bottom surface of the top plate 6 is connected with the rib plate 21 and the triangular plate 22, the rib plate 21 is located between two adjacent hoops 23 on the same hanger, and the triangular plate 22 is located at two ends of the top plate 6 and connected with the side faces of the hoops 23.

Specifically, a ribbed plate 21 is connected between two adjacent hoops 23 on the same hanger, the ribbed plate 21 is fixed with the bottom surface of the top plate 6, the triangular plate 22 is a right-angled triangular plate 22, the triangular plate 22 is positioned on the bottom surfaces of two ends of the top plate 6, wherein, one right-angle side is connected with the bottom surface of the top plate 6, the other right-angle side is connected with the side surface of the hoop 23, the triangular plate 22 and the ribbed plate 21 play the role of reinforcing ribs for the top plate 6, the vertical bearing capacity of the top plate 6 is enhanced, when the two beam bodies 19 are horizontally staggered, because the supporting beam 5 is arranged in the hoop in a penetrating way, the supporting beam 5 is subjected to the shearing force from the two beam bodies 19, at the moment, the supporting beam 5 can provide extrusion force to the anchor ear 23 along the length direction of the beam seam, which may cause the anchor ear 23 to deform, influence the extension and retraction of the two comb plates, the triangular plates 22 and the rib plates 21 can enhance the bearing capacity of the hoop 23, so that the hoop 23 is not easy to deform.

On the basis of the above embodiment, as shown in fig. 1, a first elastic support 7 and a second elastic support 8 are respectively arranged between the supporting beam 5 and the middle hanger 3, and between the top plate 6 and the bottom plate 232 of the side hanger 4, a third elastic support 9 is arranged between the upper and lower surfaces of the supporting beam 5 and the box body 10, a stainless steel sliding plate is arranged on the upper and lower surfaces of the supporting beam 5, and a polytetrafluoroethylene plate is arranged on the contact surface of the first elastic support 7, the second elastic support 8 and the third elastic support 9 and the supporting beam 5.

By adopting the technical scheme, the first elastic support 7 is fixedly connected between the top plate 6 and the bottom plate 232 of the supporting beam 5 and the middle hanger 3, the second elastic support 8 is fixedly connected between the top plate 6 and the bottom plate 232 of the side hanger 3, the third elastic support 9 is fixed between the upper surface and the lower surface of the supporting beam 5 and the box body 10, the upper surface and the lower surface of the supporting beam 5 are provided with stainless steel sliding plates, the contact surfaces of the first elastic support 7, the second elastic support 8 and the third elastic support 9 with the supporting beam 5 are provided with polytetrafluoroethylene plates, the stainless steel sliding plates are welded on the upper surface and the lower surface of the supporting beam 5, the stainless steel sliding plates are convenient for the relative sliding between the first elastic support 7, the second elastic support 8 and the third elastic support 9 to be smoother, and the friction resistance is reduced.

On the basis of the above embodiment, the edge portions of the first comb plate 1 and the second comb plate 2 are respectively provided with a vertical baffle plate 12, the side surface of the baffle plate 12 is connected with an anchoring steel plate 24 in the beam body 19, the bottom surface of the baffle plate 12 is connected with the upper surface of the box body 10, and the anchoring steel plate 24 is connected with an anchoring steel bar 25 in the beam body 19.

Specifically, limit portion at first fishback 1 and second fishback 2 is connected with vertical baffle 12 respectively, limit portion promptly with the opposite terminal surface of comb tooth, baffle 12 sets up along fishback length direction, baffle 12 length is the same with fishback length, baffle 12 upper surface flushes with fishback and road surface, the ride comfort that the vehicle passed through can be guaranteed like this, baffle 12 can effectual protection left side roof beam body 19's border part can not come the quilt to be crushed toward the vehicle, the left surface of baffle 12 and the 24 welds firmly of the anchor steel sheet in the roof beam body 19, the bottom surface of baffle 12 and the upper surface welding of box 10 are firm, anchor steel sheet 24 and the 25 welds firmly of the anchor reinforcing bar in the roof beam body 19, make baffle 12 be connected as an organic wholely with whole roof beam body 19.

On the basis of the above embodiment, a rubber plate 13 is arranged between the baffle plate 12 and the edge of the comb plate, and the bottom end surface of the rubber plate 13 is flush with the bottom surface of the box body 10.

Specifically, be connected a rubber slab 13 between baffle 12 and the fishback limit portion, the last lower terminal surface of rubber slab 13 flushes with the bottom surface of road surface and box 10 respectively, and the lower part clamp of rubber slab 13 is between box 10 and limit gallows 4, and there is the rotation space rubber slab 13 can guarantee when fishback level and vertical rotation, plays a cushioning effect, makes and produces a flexible swing between limit gallows 4 and the box 10.

On the basis of the above embodiment, the contact ends of the box body 10 and the side hanger 4 with the rubber plate 13 are respectively provided with a first pressing plate 11 and a second pressing plate 14, the first pressing plate 11 and the second pressing plate 14 are connected through a bolt 17, the right end of the bolt 17 is provided with a third pressing plate 16, and the bolt 16 is sleeved with a spring 15 positioned between the second pressing plate 14 and the third pressing plate 16.

Specifically, box 10 and limit gallows 4 are respectively fixedly connected with first clamp plate 11 and second clamp plate 14 on the terminal surface of rubber slab 13 contact, adopt welded connected mode, through a bolt 17 swing joint between first clamp plate 11 and the second clamp plate 14, it has certain rotation gap to keep between limit gallows 4 and the box 10, the right-hand member of bolt 17 is connected with third clamp plate 16, bolt 17 goes up the cover and establishes spring 15, spring 15 is located between second clamp plate 14 and the third clamp plate 16, spring 15 guarantees that limit gallows 4 can rotate along with upper portion comb is vertical and level, guarantee again that the limit gallows does not slide along supporting beam 5 length direction when the telescoping device receives tensile.

On the basis of the above embodiment, the box body 10 is fixedly connected with the embedded steel bars 20 of the beam body 19.

Specifically, the box body 10 and the embedded steel bars 20 of the beam body 19 are fixedly welded together, so that the box body 10 and the beam body 19 form a whole.

On the basis of the above embodiment, two opposite ends of the two side beam bodies 19 are provided with angle steels 26, and the water-stopping adhesive tape 18 is connected between the two side angle steels 26.

Specifically, the water-stopping adhesive tape 18 of the telescopic device is fixed on the angle steel 26 of the beam bodies 19 on the two sides through screws, and the concrete wraps the water-stopping adhesive tape 18 and the angle steel 26 together, so that the waterproof sealing function is achieved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a multidirectional full displacement fishback telescoping device, is including first fishback (1) and second fishback (2) that set up in pairs, its characterized in that, the fishback bottom surface is connected with the gallows, the gallows is including gallows (3) and limit gallows (4) in the middle of corresponding each other, middle gallows (3) are located the bottom surface of the comb tooth of first fishback (1) and second fishback (2) respectively, limit gallows (4) are located the bottom surface of first fishback (1) and second fishback (2) limit portion respectively, wear to be equipped with supporting beam (5) between limit gallows (4) and middle gallows (3), supporting beam (5) both ends extend to box (10) on the both sides roof beam body (19), the length direction slip of supporting beam (5) can be followed to middle gallows (3).

2. A multi-directional fully-variable-position comb plate retractor device according to claim 1, wherein the hanger comprises a top plate (6) and at least two anchor ears (23) located at the bottom surface of the top plate (6) and used for supporting the cross beam (5) to pass through, the length of the top plate (6) is the same as that of the comb plate, the top plate (6) of the intermediate hanger (3) is connected with each comb-shaped tooth of the comb plate, and the number of the anchor ears (23) is at least two.

3. The multi-directional full-displacement comb plate stretching device as claimed in claim 2, wherein the hoop (23) comprises two vertical side plates (231) and a bottom plate (232), the top ends of the two side plates (231) are vertically connected with the top plate (6), the two side plates (231) are parallel to each other, and the upper surface of the bottom plate (232) is connected with the bottom ends of the two side plates (231).

4. The multi-directional full-displacement comb plate stretching device as claimed in claim 2, wherein the bottom surface of the top plate (6) is connected with a rib plate (21) and a triangular plate (22), the rib plate (21) is located between two adjacent hoops (23) on the same hanger, and the triangular plate (22) is located at two ends of the top plate (6) and connected with the side surfaces of the hoops (23).

5. The multi-directional full-displacement comb plate stretching device as claimed in claim 1, wherein a first elastic support (7) and a second elastic support (8) are respectively arranged between the top plate (6) and the bottom plate (232) of the supporting beam (5) and the middle hanger (3) and between the top plate (6) and the bottom plate (232) of the side hanger (4), a third elastic support (9) is arranged between the upper surface and the lower surface of the supporting beam (5) and the box body (10), stainless steel sliding plates are arranged on the upper surface and the lower surface of the supporting beam (5), and polytetrafluoroethylene plates are arranged on the contact surfaces of the first elastic support (7), the second elastic support (8) and the third elastic support (9) and the supporting beam (5).

6. The multi-directional full-displacement comb plate stretching device according to claim 1, wherein vertical baffle plates (12) are respectively arranged at the edges of the first comb plate (1) and the second comb plate (2), a rubber plate (13) is arranged between the baffle plates (12) and the edges of the comb plates, the side surfaces of the baffle plates (12) are connected with anchoring steel plates (24) in the beam body (19), the bottom surfaces of the baffle plates (12) are connected with the upper surface of the box body (10), and the anchoring steel plates (24) are connected with anchoring steel bars (25) in the beam body (19).

7. The multi-directional full-displacement comb plate stretching device as claimed in claim 6, wherein a first pressing plate (11) and a second pressing plate (14) are respectively arranged at contact ends of the box body (10) and the side hanger (4) and the rubber plate (13), the first pressing plate (11) and the second pressing plate (14) are connected through a bolt (17), a third pressing plate (16) is arranged at the right end of the bolt (17), and a spring (15) located between the second pressing plate (14) and the third pressing plate (16) is sleeved on the bolt (17).

8. The multi-directional full-displacement comb plate stretching device as claimed in claim 7, wherein the box body (10) is fixedly connected with embedded steel bars (20) of the beam body (19).

9. The multi-directional full-displacement comb plate expansion device according to claim 1, wherein two opposite ends of the two side beam bodies (19) are provided with angle steels (26), and a water-stopping adhesive tape (18) is connected between the two side angle steels (26).