CN210737352U

CN210737352U - Comb-tooth-shaped damping displacement bridge expansion device

Info

Publication number: CN210737352U
Application number: CN201920789275.6U
Authority: CN
Inventors: 代伟; 凌称福
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-06-12
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a broach type shock attenuation bridge telescoping device that shifts, including first fishback and second fishback, first fishback is close to equidistant fixed mounting on second fishback one side outer wall has three bolt, two the slot has all been seted up between the bolt, second fishback is close to symmetrical on first fishback one side outer wall and installs two bolts, three slot has been seted up to second fishback equidistance, bolt and slot mutually support, be equipped with reinforcing apparatus between first fishback and the second fishback. Has the advantages that: the utility model discloses equal activity is inserted and is established the dead lever on two fishback, utilizes dead lever symmetry bolt to carry on spacingly, plays reinforced (rfd) effect, and this dead lever utilizes the kelly to carry on spacingly simultaneously, and is fixed reliable, and secondly, this reinforcing apparatus simple structure, convenient operation has improved telescoping device's stability.

Description

Comb-tooth-shaped damping displacement bridge expansion device

Technical Field

The utility model relates to a bridge telescoping device technical field especially relates to a comb-tooth type shock attenuation bridge telescoping device that shifts.

Background

The bridge expansion device is to meet the requirement of bridge deck deformation, and the expansion device is usually arranged between two beam ends, between the beam end and a bridge abutment or at the hinged position of a bridge. The bridge expansion device is an important component of a bridge, and the performance of the expansion device directly influences the driving safety and the smoothness of a bridge road.

At present, highway bridges in China mainly use comb tooth type expansion devices, but after comb teeth are combined, unstable connection is easy to occur when vibration or high pressure is applied, and the stability of the expansion devices is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of insufficient stability in the prior art, and the comb-tooth-shaped shock absorption deflection bridge expansion device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a broach type shock attenuation bridge telescoping device that shifts, includes first fishback and second fishback, first fishback is close to equidistant fixed mounting on second fishback one side outer wall has three bolt, two the slot has all been seted up between the bolt, second fishback is close to symmetrical on first fishback one side outer wall and installs two bolts, three slot has been seted up to second fishback equidistance, bolt and slot mutually support, be equipped with reinforcing apparatus between first fishback and the second fishback.

In the comb-tooth-shaped damping displacement bridge expansion device, each jack pin is fixedly provided with a fixed block, and each end wall of each slot pin is provided with a fixed groove.

In foretell a broach type shock attenuation bridge telescoping device that shifts, reinforcing apparatus includes the mounting hole of seting up on the fixed block, two spacing grooves have been seted up to the symmetry on the first fishback, three spacing grooves have been seted up to the equidistance on the second fishback, every the spacing groove all is located the fixed slot directly over, every reinforcing groove has all been seted up on the spacing groove is close to fixed slot one side inner wall.

In foretell comb-tooth type shock attenuation bridge telescoping device that shifts, every all the activity is inserted in the stiffening groove and is equipped with the dead lever, and the dead lever runs through the mounting hole, the dead lever is close to spacing groove one end fixed mounting and is equipped with the limiting plate, and limiting plate and spacing groove mutually support, spacing groove opening goes out and is equipped with the upper cover.

In foretell a broach type shock attenuation bridge telescoping device that shifts, two draw-in grooves have been seted up to the symmetry on the outer wall of spacing groove both sides, and kelly and draw-in groove mutually support, it has the elastic rod to reinforce fixed mounting on the groove one end inner wall, the elastic rod is close to spacing groove one end fixed mounting and has the clamp plate, the cover is equipped with the spring on the elastic rod, and the spring is located between clamp plate outer wall and the reinforcing groove inner wall.

In foretell comb tooth type shock attenuation bridge telescoping device that shifts, two spouts have been seted up to the limiting plate symmetry on keeping away from dead lever one side outer wall, two the kelly is close to equal fixed mounting on one side outer wall mutually and has the slide bar, and slide bar and spout mutually support.

Compared with the prior art, the utility model discloses the advantage lies in:

1 the utility model discloses equal activity is inserted and is established the dead lever on two fishback, utilizes dead lever symmetry bolt to carry on spacingly, plays reinforced (rfd) effect, and this dead lever utilizes the kelly to carry on spacingly simultaneously, and is fixed reliable, and secondly, this reinforcing apparatus simple structure, convenient operation has improved telescoping device's stability.

Drawings

Fig. 1 is a top view of a comb-tooth type shock-absorbing deflection bridge expansion device provided by the present invention;

fig. 2 is a side view of a comb-tooth type shock-absorbing deflection bridge expansion device provided by the utility model;

FIG. 3 is an enlarged view of the structure of part A of the comb-tooth-shaped shock-absorbing deflection bridge expansion device provided by the utility model;

fig. 4 is the utility model provides a B partial structure's enlargements among comb tooth type shock attenuation bridge telescoping device that shifts.

In the figure: 1 first fishback, 2 second fishback, 3 bolts, 4 fixed blocks, 5 slots, 6 fixed slots, 7 mounting holes, 8 reinforcing slots, 9 fixed rods, 10 limiting plates, 11 clamping rods, 12 clamping slots, 13 sliding rods, 14 sliding slots, 15 limiting slots, 16 upper covers, 17 pressing plates, 18 elastic rods and 19 springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a comb-tooth-type shock-absorbing deflection bridge expansion device comprises a first comb plate 1 and a second comb plate 2, three bolts 3 are fixedly installed on the outer wall of one side, close to the second comb plate 2, of the first comb plate 1 at equal intervals, slots 5 are formed between the two bolts 3, two bolts 3 are symmetrically installed on the outer wall of one side, close to the first comb plate 1, of the second comb plate 2, three slots 5 are equidistantly formed in the second comb plate 2, the bolts 3 and the slots 5 are matched with each other, a fixing block 4 is fixedly installed on each bolt 3, a fixing slot 6 is formed in the end wall of each slot 5, a reinforcing device is arranged between the first comb plate 1 and the second comb plate 2, the reinforcing device comprises a mounting hole 7 formed in the fixing block 4, two limiting grooves 15 are symmetrically formed in the first comb plate 1, three limiting grooves 15 are equidistantly formed in the second comb plate 2, every spacing groove 15 all is located fixed slot 6 directly over, reinforcing groove 8 has all been seted up on every spacing groove 15 is close to fixed slot 6 one side inner wall, equal activity is inserted and is equipped with dead lever 9 in every reinforcing groove 8, and dead lever 9 runs through mounting hole 7, dead lever 9 is close to 15 one end fixed mounting of spacing groove has limiting plate 10, and limiting plate 10 and spacing groove 15 mutually support, 15 opening play in spacing groove are equipped with upper cover 16, it is worth noting, utilize dead lever 9 to consolidate bolt 3, prevent it from breaking away from slot 5, more can monitor whether the bolt 3 takes place the bending with dead lever 9.

Two clamping rods 11 are symmetrically inserted in the outer walls of two sides of the limiting plate 10 in a movable manner, two sliding grooves 14 are symmetrically formed in the outer wall of the limiting plate 10 far away from one side of the fixing rod 9, two clamping rods 11 are fixedly mounted on the outer wall of one side of the limiting plate 11 close to the outer wall of one side of the fixing rod, the sliding rods 13 are matched with the sliding grooves 14, two clamping grooves 12 are symmetrically formed in the outer wall of two sides of the limiting groove 15, the clamping rods 11 and the clamping grooves 12 are matched with each other, an elastic rod 18 is fixedly mounted on the inner wall of one end, far away from the limiting groove 15, of the reinforcing groove 8, the elastic rod 18 is fixedly mounted on one end, close to the limiting groove 15, of the pressing plate 17, a spring 19 is sleeved on the elastic rod 18 and located between the outer wall of the pressing plate 17 and the inner wall of the reinforcing groove 8, all of.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The utility model discloses the theory of operation: after the first comb plate 1 and the second comb plate 2 are closed mutually, the bolts 3 are inserted into the corresponding slots 5 at the moment, the fixing blocks 4 on the bolts 3 are also inserted into the corresponding fixing grooves 6, the mounting holes 7 and the reinforcing grooves 8 are identical in size, the fixing rods 9 are inserted into the reinforcing grooves 8 from the limiting grooves 15, the mounting holes 7 are penetrated through the fixing holes on the way and pressed on the pressing plate 17, the two sliding rods 13 are pulled to be close to each other, the two clamping rods 11 are pulled into the sliding grooves 14, the fixing rods 9 are pressed downwards, the fixing rods 9 push the pressing plate 17 to compress the elastic rods 18 and the springs 19, after the clamping rods 11 are aligned with the clamping grooves 12, the two sliding rods 13 are pulled to be away from each other again, the clamping rods 11 are clamped into the clamping grooves 12, the upper cover 16 is covered, and then the reinforcing operation is completed.

Before first fishback 1 and second fishback 2 phase separation, need take dead lever 9 out earlier, pulling two slide bars 13 and being close to each other, kelly 11 is taken out from draw-in groove 12, and clamp plate 17 bounces dead lever 9 under the elastic force effect of bouncing rod 18 and spring 19, and at this moment, take out dead lever 9 from reinforcing groove 8, carrying out the separation operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a broach type shock attenuation bridge telescoping device that shifts, includes first fishback (1) and second fishback (2), its characterized in that, equidistant fixed mounting has three bolt (3), two on first fishback (1) is close to second fishback (2) one side outer wall slot (5) have all been seted up between bolt (3), two fishback (2) are close to on first fishback (1) one side outer wall symmetry and install two bolt (3), three slot (5) have been seted up to second fishback (2) equidistance, bolt (3) and slot (5) mutually support, be equipped with reinforcing apparatus between first fishback (1) and the second fishback (2).

2. The comb-tooth-shaped damping deflection bridge expansion device according to claim 1, wherein each bolt (3) is fixedly provided with a fixed block (4), and the end wall of each slot (5) is provided with a fixed groove (6).

3. The comb-tooth-type damping and shifting bridge expansion device according to claim 1, wherein the reinforcing device comprises a mounting hole (7) formed in the fixing block (4), two limiting grooves (15) are symmetrically formed in the first comb plate (1), three limiting grooves (15) are equidistantly formed in the second comb plate (2), each limiting groove (15) is located right above the fixing groove (6), and a reinforcing groove (8) is formed in the inner wall of one side, close to the fixing groove (6), of each limiting groove (15).

4. The comb-tooth-shaped damping displacement bridge expansion device according to claim 3, wherein a fixing rod (9) is movably inserted into each reinforcing groove (8), the fixing rod (9) penetrates through the mounting hole (7), a limiting plate (10) is fixedly mounted at one end, close to the limiting groove (15), of the fixing rod (9), the limiting plate (10) and the limiting groove (15) are matched with each other, and an upper cover (16) is arranged at the opening of the limiting groove (15).

5. The comb-tooth-shaped damping displacement bridge expansion device according to claim 4, wherein two clamping rods (11) are symmetrically inserted into the outer walls of two sides of the limiting plate (10) in a movable manner, two clamping grooves (12) are symmetrically formed in the outer walls of two sides of the limiting groove (15), the clamping rods (11) and the clamping grooves (12) are matched with each other, an elastic rod (18) is fixedly mounted on the inner wall of one end, away from the limiting groove (15), of the reinforcing groove (8), the elastic rod (18) is fixedly mounted at one end, close to the limiting groove (15), of the pressing plate (17), a spring (19) is sleeved on the elastic rod (18), and the spring (19) is located between the outer wall of the pressing plate (17) and the inner wall of the reinforcing groove (8).

6. The comb-tooth-shaped damping displacement bridge expansion device according to claim 5, wherein two sliding grooves (14) are symmetrically formed in the outer wall of one side of the limiting plate (10) away from the fixing rod (9), sliding rods (13) are fixedly mounted on the outer wall of one side of the two clamping rods (11) close to the fixing rod, and the sliding rods (13) are matched with the sliding grooves (14).