Modularized multidirectional displacement comb plate telescopic device

Abstract

The utility model relates to a modularized multidirectional displacement comb plate expansion device which comprises a buffer base plate arranged on a concrete preformed groove. A rubber plate is arranged at the adjacent position of the buffer base plate; a stainless steel sliding plate is arranged on the rubber plate; a fixed end toothed plate is arranged on the stainless steel sliding plate; one side of the fixed end toothed plate is connected with a movable end toothed plate in a staggered manner; the movable end toothed plate is arranged on the buffer base plate; anchoring structures and embedded steel bars are arranged in the bottoms of the reserved grooves; and the fixed end toothed plate and the movable end toothed plate are respectively connected with the anchoring structure. According to the device, the movable end toothed plate is connected into the reserved groove through the arc rotating shaft, an arc surface rotating pair is formed, and rotation is generated. And a buffer base plate between the movable end toothed plate and the concrete is used as rotation compensation. The displacement performance of the whole telescopic device is improved, meanwhile, the stability of the whole telescopic device is guaranteed through cooperation of the U-shaped bolt set, the movable end toothed plate and the rotating pair, and meanwhile the displacement requirements of the beam body in the transverse direction, the vertical direction, the longitudinal direction and the resultant force direction are met.

Description

Technical Field

[0001] The utility model relates to a telescopic device, in particular to a modular multi-directional displacement comb plate telescopic device, belonging to the technical field of bridge telescopic devices. Background Art

[0002] The comb plate expansion device is a common bridge expansion device. Its main function is to allow the bridge to expand and contract freely when it is deformed by temperature changes, traffic loads and other factors, so as to avoid damage to the bridge structure due to excessive stress. When the comb plate expansion device is subjected to traffic loads, due to the large gap between the comb plates, it is easy to produce shaking or instability, affecting driving safety and comfort. When vehicles pass through the comb plate expansion device, due to the collision and friction between the comb plates, it will produce a lot of noise, causing certain interference to the surrounding environment and residents. During use, the comb plate expansion device needs to be inspected and maintained regularly to ensure its normal use. If the maintenance is improper or untimely, the device may be damaged or fail, and it needs to be replaced or repaired, which increases the maintenance cost. The design of the comb plate expansion device is not conducive to drainage, especially in the rainy season or water accumulation, which may cause water accumulation inside the device, thus affecting its normal operation and service life. Utility Model Content

[0003] The purpose of the utility model is to solve the above-mentioned shortcomings and provide a modular multi-directional displacement comb plate telescopic device with modular design, convenient construction and installation, wide application range, strong adaptability and easy maintenance and repair.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A modular multi-directional displacement comb plate telescopic device, comprising a buffer pad arranged on a concrete reserved groove; a rubber plate is arranged at an adjacent position of the buffer pad; a stainless steel slide is arranged on the rubber plate; a fixed end tooth plate is arranged on the stainless steel slide; a movable end tooth plate is staggeredly connected to one side of the fixed end tooth plate; the movable end tooth plate is arranged on the buffer pad; an anchoring structure and embedded steel bars are arranged in the bottom of the reserved groove; the fixed end tooth plate and the movable end tooth plate are respectively connected to the anchoring structure; a waterproof structure is arranged between the anchoring structure and the movable end tooth plate.

[0006] Furthermore, a plurality of comb teeth are arranged on opposite sides of the fixed end tooth plate and the movable end tooth plate; and the comb teeth of the fixed end tooth plate and the movable end tooth plate are arranged in an interlaced manner.

[0007] Furthermore, the buffer pad is a high-damping buffer pad; the buffer pad comprises a vulcanized stainless steel mesh; the vulcanized stainless steel mesh is coated with high-damping rubber.

[0008] Furthermore, the fixed end tooth plate and the movable end tooth plate are made of low alloy high-strength structural steel; a hinge seat is arranged in the reserved groove; an arc hinge shaft is connected between the movable end tooth plate and the hinge seat; and a strip hole is opened in the buffer pad relative to the arc hinge shaft.

[0009] Furthermore, it also includes equilateral angle steel; the equilateral angle steel is arranged at the bottom of the reserved groove; the waterproof structure is arranged on the surface of the equilateral angle steel; the waterproof structure is a U-shaped rubber waterstop; the anchoring structure includes a plurality of through holes opened on the fixed end tooth plate and the movable end tooth plate; the U-shaped rubber waterstop is provided with a waterstop clip; the U-shaped rubber waterstop is arranged opposite to the gap between the rubber plate and the buffer pad.

[0010] Furthermore, the anchoring structure also includes a plurality of L-shaped anchor bolts embedded in the concrete; the L-shaped anchor bolts correspond to the through holes one by one; and the surfaces of the fixed end tooth plate and the movable end tooth plate are provided with nuts screwed to the L-shaped anchor bolts.

[0011] Furthermore, a plurality of leveling nuts screwed to the L-shaped anchor bolts are also provided at the bottom of the fixed end tooth plate and the movable end tooth plate.

[0012] Furthermore, the anchoring structure comprises transverse steel bars which are sequentially connected to each U-bolt group; and connecting steel bars are arranged between the transverse steel bars.

[0013] The utility model has the following beneficial effects: it adopts modular design, has strong adaptability, and is easy to manufacture and install: the telescopic device is composed of several identical modules, each module has independent and clear functions, which is beneficial to each link such as design, manufacturing, and testing, and adopts a "breaking the whole into parts" structural form to reduce the absolute value of the horizontal and torsional displacement of the telescopic device, which can achieve a greater displacement effect, and the telescopic device is designed with one piece per linear meter.

[0014] This device forms an arc surface rotation pair by connecting the arc rotating shaft of the active end tooth plate to the reserved groove, generating rotation. The buffer plate between the active end tooth plate and the concrete is used as rotation compensation. The displacement performance of the entire telescopic device is improved. At the same time, through the "U"-shaped bolt group, the coordination between the active end tooth plate and the rotation pair ensures the stability of the entire telescopic device, while meeting the displacement requirements of the beam body in the horizontal, vertical, longitudinal and combined force directions.

[0015] This device does not have the gap concept of the modular telescopic device, so there is no uneven telescopic gap. The waterstop of the telescopic device is a "U"-shaped design, the cross slope is consistent with the road surface, and the drainage is smooth. At the same time, the waterstop is set under the fixed end tooth plate and the movable end tooth plate to prevent the corrosion and bump of the waterstop by sunlight ultraviolet rays, greatly improving the service life. A sewage collection pipe is set at the downhill end of the waterstop to facilitate centralized drainage of the bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] In the figure: 1 is a buffer pad, 2 is a rubber plate, 3 is a stainless steel slide plate, 4 is a fixed end tooth plate, 5 is a movable end tooth plate, 6 is a hinge seat, 7 is an arc hinge shaft, 8 is an equilateral angle steel, 9 is a U-shaped rubber waterstop, 10 is a waterstop clip, 11 is an L-shaped anchor bolt, 12 is a nut, 13 is a leveling nut, 14 is a cross steel bar, 15 is a connecting steel bar, and 16 is a through hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The terms used herein, including technical and scientific terms, have the same meaning as those generally understood by those skilled in the art, unless the terms are defined differently. It should be understood that the terms defined in commonly used dictionaries have the same meaning as those in the prior art.

[0020] See also Figure 1

[0021] A modular multi-directional displacement comb plate telescopic device, comprising a buffer pad 1 arranged on a concrete reserved groove; a rubber plate 2 is arranged at an adjacent position of the buffer pad 1; a stainless steel slide plate 3 is arranged on the rubber plate 2; a fixed end tooth plate 4 is arranged on the stainless steel slide plate 3; a movable end tooth plate 5 is staggeredly connected to one side of the fixed end tooth plate 4; the movable end tooth plate 5 is arranged on the buffer pad 1; an anchoring structure and embedded steel bars are arranged in the bottom of the reserved groove; the fixed end tooth plate 4 and the movable end tooth plate 5 are respectively connected to the anchoring structure; and a waterproof structure is arranged in the reserved groove.

[0022] Furthermore, a plurality of comb teeth are arranged on opposite sides of the fixed end tooth plate 4 and the movable end tooth plate 5; and the comb teeth of the fixed end tooth plate 4 and the movable end tooth plate 5 are arranged in an interlaced manner.

[0023] Furthermore, the buffer plate 1 is a high-damping buffer plate; the buffer plate 1 comprises a vulcanized stainless steel mesh; the vulcanized stainless steel mesh is coated with high-damping rubber.

[0024] The width of the fixed end tooth plate 4 and the movable end tooth plate 5 is the width of a tire. The vehicle runs smoothly without pumping effect, which reduces the number of noise sources. At the same time, the arc transition between the comb teeth and the tooth grooves not only reduces the vehicle impact vibration but also reduces the vehicle impact noise. The high-damping buffer plate between the movable end tooth plate 5 and the concrete blocks the rigid collision between the steel plate and the concrete, thereby weakening the noise between the steel plate and the concrete, reducing the impact on the residential environment around the bridge, and is more suitable for selection in urban bridges.

[0025] A high damping buffer plate is arranged between the fixed end tooth plate 4, the movable end tooth plate 5 and the concrete. The high damping buffer plate is made of high damping rubber with a stainless steel mesh in the middle, which plays a role of both buffering and vibration reduction. The vibration effect of vehicle and other loads is reduced. At the same time, the arc transition design is carried out at the comb tooth end face and the root notch, which effectively reduces the impact vibration of the bridge and the vehicle when the ordinary structural contact surface transitions rapidly.

[0026] Furthermore, the fixed end tooth plate 4 and the movable end tooth plate 5 are made of low alloy high-strength structural steel; a hinge seat 6 is arranged in the reserved groove; an arc hinge shaft 7 is connected between the movable end tooth plate 5 and the hinge seat 6; and a strip hole is opened in the buffer pad 1 relative to the arc hinge shaft 7.

[0027] Furthermore, it also includes an equilateral angle steel 8; the equilateral angle steel 8 is arranged at the bottom of the reserved groove; the waterproof structure is arranged on the surface of the equilateral angle steel 8; the waterproof structure is a U-shaped rubber waterstop 9; the anchoring structure includes a plurality of through holes 16 opened on the fixed end tooth plate 4 and the movable end tooth plate 5; the U-shaped rubber waterstop 9 is provided with a waterstop clip 10; the U-shaped rubber waterstop 9 is arranged opposite to the gap between the rubber plate 2 and the buffer pad 1.

[0028] The fixed end tooth plate 4 and the movable end tooth plate 5 are made of low alloy high-strength structural steel, which greatly improves the compression and shear resistance of the telescopic device. The polymer damping material has strong elasticity and mechanical strength, small hysteresis loss, and good fatigue resistance, which reduces the repeated impact force of the vehicle on the device. A high-damping buffer pad is placed under the multi-directional displacement movable comb plate to effectively improve the wear resistance of the displacement contact surface. At the same time, the free telescopic system adopted by the device is set on the surface of the road surface, and the free telescopic function of the main part is not restricted by the auxiliary structure, thereby greatly improving the service life of the telescopic device. At the same time, the water stop is set under the telescopic device to prevent it from being directly exposed to the atmosphere and extend its service life.

[0029] The fixed end tooth plate 4 and the movable end tooth plate 5 are shallow buried structures, which greatly reduces the requirements for the depth of the reserved groove. When installing the device, the L-shaped anchor bolt 11 can be welded to the embedded steel bar for positioning, and then the fixed end tooth plate 4 and the movable end tooth plate 5 can be leveled, which solves the problem of mutual interference caused by simultaneous positioning and leveling of the modular telescopic device, greatly improving the construction efficiency and project progress. When maintenance is required, only the damaged module needs to be disassembled and replaced separately, and only a lane-width working surface is required in the transverse direction of the bridge. The module can be partially replaced without interrupting traffic, with low operating costs and significant economic and social benefits.

[0030] Furthermore, the anchoring structure also includes a plurality of L-shaped anchor bolts 11 embedded in the concrete; the L-shaped anchor bolts 11 correspond one to one with the through holes; and the surfaces of the fixed end tooth plate 4 and the movable end tooth plate 5 are provided with nuts 12 screwed to the L-shaped anchor bolts 11.

[0031] Furthermore, a plurality of leveling nuts 13 screwed to the L-shaped anchor bolts 11 are provided at the bottom of the fixed end tooth plate 4 and the movable end tooth plate 5; a U-shaped bolt group is formed between the two L-shaped anchor bolts 11.

[0032] Furthermore, the anchoring structure includes transverse steel bars 13 sequentially connected to each U-bolt group; and connecting steel bars 15 are arranged between the transverse steel bars 14 .

[0033] Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the utility model rather than limiting it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A modular multi-directional displacement comb plate telescopic device, characterized in that: It includes a buffer pad arranged on a concrete reserved groove; a rubber plate is arranged at an adjacent position of the buffer pad; a stainless steel slide is arranged on the rubber plate; a fixed end tooth plate is arranged on the stainless steel slide; a movable end tooth plate is staggeredly connected to one side of the fixed end tooth plate; the movable end tooth plate is arranged on the buffer pad; an anchoring structure and embedded steel bars are arranged in the bottom of the reserved groove; the fixed end tooth plate and the movable end tooth plate are respectively connected to the anchoring structure; a waterproof structure is arranged in the reserved groove.

2. A modular multi-directional displacement comb plate telescopic device according to claim 1, characterized in that: A plurality of comb teeth are arranged on the opposite side of the fixed end tooth plate and the movable end tooth plate; and the comb teeth of the fixed end tooth plate and the movable end tooth plate are arranged in an interlaced manner.

3. A modular multi-directional displacement comb plate telescopic device according to claim 2, characterized in that: The buffer pad is a high-damping buffer pad; the buffer pad comprises a vulcanized stainless steel mesh; the vulcanized stainless steel mesh is coated with high-damping rubber.

4. A modular multi-directional displacement comb plate telescopic device according to claim 3, characterized in that: The fixed end tooth plate and the movable end tooth plate are made of low alloy high strength structural steel; a hinge seat is arranged in the reserved groove; an arc hinge shaft is connected between the movable end tooth plate and the hinge seat; and a strip hole is opened on the buffer pad relative to the arc hinge shaft.

5. A modular multi-directional displacement comb plate telescopic device according to claim 4, characterized in that: It also includes equilateral angle steel; the equilateral angle steel is arranged at the bottom of the reserved groove; the waterproof structure is arranged on the surface of the equilateral angle steel; the waterproof structure is a U-shaped rubber waterstop; the anchoring structure includes a plurality of through holes opened on the fixed end tooth plate and the movable end tooth plate; the U-shaped rubber waterstop is provided with a waterstop clip; the U-shaped rubber waterstop is arranged opposite to the gap between the rubber plate and the buffer pad.

6. A modular multi-directional displacement comb plate telescopic device according to claim 5, characterized in that: The anchoring structure also includes a plurality of L-shaped anchor bolts embedded in the concrete; the L-shaped anchor bolts correspond to the through holes one by one; and nuts screwed to the L-shaped anchor bolts are arranged on the surfaces of the fixed end tooth plate and the movable end tooth plate.

7. A modular multi-directional displacement comb plate telescopic device according to claim 6, characterized in that: The bottom of the fixed end tooth plate and the movable end tooth plate are also provided with a plurality of leveling nuts screwed with the L-shaped anchor bolts; a U-shaped bolt group is formed between the two L-shaped anchor bolts.

8. The modular multi-directional displacement comb plate telescopic device according to claim 7, characterized in that: The anchoring structure comprises transverse steel bars which are sequentially connected to each U-bolt group; connecting steel bars are arranged between the transverse steel bars.

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