CN220117012U

CN220117012U - Vibration-damping noise-reducing reinforced comb plate expansion device

Info

Publication number: CN220117012U
Application number: CN202321587498.7U
Authority: CN
Inventors: 安学雅
Original assignee: Guangxi Jiaojian New Material Technology Co ltd
Current assignee: Guangxi Jiaojian New Material Technology Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-12-01
Anticipated expiration: 2033-06-21

Abstract

The utility model discloses a vibration-damping and noise-reducing reinforced comb plate expansion device, which comprises a left toothed plate, a right toothed plate, an anchor plate, a vertical plate, an upper dust-proof plate, a lower dust-proof plate, supporting legs and a damping block, wherein the left toothed plate, the anchor plate below and the vertical plate are welded together, and the right toothed plate, the anchor plate below and the vertical plate are welded together; the upper dustproof plate is welded on the bottom surface of the right toothed plate and positioned on the inner side of the vertical plate, the lower dustproof plate is stacked below the upper dustproof plate, and the left side edge of the lower dustproof plate is welded on the vertical plate below the left toothed plate; the supporting leg root welds on the riser medial surface, and a plurality of supporting legs are equidistant interval setting along bridge width direction, and the snubber block is installed on the supporting leg and is supported last dust guard. According to the vibration-damping noise-reducing reinforced comb plate expansion device, all parts are welded and connected, the structural strength is high, the service life is long, vibration and noise are reduced by arranging the vibration-damping blocks, and meanwhile, the dustproof plates are arranged in a two-layer mode, so that the dustproof effect is improved.

Description

Vibration-damping noise-reducing reinforced comb plate expansion device

Technical Field

The utility model relates to the technical field of bridge expansion joints, in particular to a vibration-damping noise-reducing reinforced comb plate expansion device.

Background

The bridge expansion joints are usually arranged between two beam ends, between a beam end and a bridge abutment or at the hinge position of a bridge in order to meet the requirement of bridge deck deformation. The bridge expansion joint can adjust the displacement and the connection between the upper structures caused by the vehicle load and bridge building materials, and the railing and the bridge deck pavement are disconnected at the expansion joint. The bridge expansion joint can prevent rainwater and garbage soil from penetrating and blocking. There are many kinds of expansion joints of bridges, and comb-type expansion joint devices have wide application. The comb-tooth type expansion joint device has the advantages of low structural height, wide application range, stable running, skid resistance and the like.

However, most of existing comb-tooth expansion joint devices are installed by using bolts, the bolts are easy to loosen after long time under severe working conditions, toothed plates are tilted and even fall off, the maintenance period is short, and potential safety hazards exist. In the construction process of pouring before construction, when the anchor bolt is drilled on the mounting bolt, the bolt is inclined once encountering the reinforcing steel bar, cannot be normally mounted, and can seriously influence the construction quality. Meanwhile, since the vibration reduction buffer element is not provided, the vibration and noise are large when the vehicle passes. In addition, most of the existing comb-type expansion joint devices are provided with stainless steel dust-proof plates at the bottoms of the fixed comb-type plates and the span comb-type plates, and the stainless steel dust-proof plates are thin steel plates, so that sagging and leakage easily occur, and the dust-proof effect is poor.

Therefore, there is a need to develop a vibration damping and noise reducing reinforced comb plate telescoping device against the above-mentioned drawbacks.

Disclosure of Invention

The utility model aims to provide a vibration-damping noise-reducing reinforced comb plate expansion device, which has the advantages that all parts are welded and connected, the structural strength is high, the service life is long, vibration and noise are reduced by arranging a damping block, and meanwhile, a dust-proof plate is arranged by arranging two layers of layers, so that the dust-proof effect is improved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to a vibration-damping noise-reducing reinforced comb plate expansion device, which comprises a left toothed plate, a right toothed plate, an anchor plate, a vertical plate, an upper dust-proof plate, a lower dust-proof plate, supporting legs and damping blocks, wherein the left toothed plate and the right toothed plate are oppositely arranged on bridge sections at two sides of a bridge expansion joint and inwards comb teeth are arranged in a staggered manner, the anchor plate is vertically welded on the lower bottom surface of the outer end of the left toothed plate or the right toothed plate, a plurality of anchor plates are arranged at equal intervals along the length direction of the bridge and the bottoms of the anchor plates are welded on bridge anchor ribs at two sides of the expansion joint, the vertical plate is vertically welded on the lower bottom surface of the left toothed plate or the right toothed plate, and the front end surface of the anchor plate is vertically welded with the outer side wall of the vertical plate; the upper dust-proof plate is welded on the bottom surface of the right toothed plate and positioned on the inner side of the vertical plate, the lower dust-proof plate is stacked below the upper dust-proof plate, and the left side edge of the lower dust-proof plate is welded on the vertical plate below the left toothed plate; the supporting leg root is welded on the inner side face of the vertical plate, a plurality of supporting legs are arranged at equal intervals along the width direction of the bridge, and the damping blocks are installed on the supporting legs and support the upper dust-proof plate.

Further, the snubber block includes box seat and snubber block main part, the box seat is the C type groove structure that the opening up, the snubber block main part is installed in the box seat, C type recess has been seted up at the supporting leg top, the box seat weld dress in the C type recess.

Further, the damping block main body comprises a rubber block and a plurality of layer steel plates, wherein the layer steel plates are horizontally vulcanized in the rubber block at equal intervals.

Further, the cantilever end of the lower dust-proof plate is provided with a bending edge which is bent downwards to be formed.

Furthermore, the root of the right toothed plate is provided with a silencing chamfer, and compressed air of the rolling tooth gap of the wheel can be led out from the root of the comb tooth by the silencing chamfer.

Further, the lower dust-proof plate is provided with a plurality of oil storage holes at the overlapping part of the upper dust-proof plate, and the oil storage holes are through holes and are filled with silicon-based lubricating grease with good lubricating effect.

Further, the top of snubber block is compound to have the roof, the roof is folded and is established on the lower dust guard bottom surface and is right the oil storage hole seals.

Further, an inner anchor plate is welded on the bottom surface of the top plate, and is inserted into the rubber body of the shock absorption block obliquely downwards and is vulcanized and compositely connected together.

Compared with the prior art, the utility model has the beneficial technical effects that:

according to the vibration-damping noise-reducing reinforced comb plate expansion device, the anchoring plates are used as the supporting pieces to be welded between the left toothed plate and the right toothed plate and the bridge anchoring ribs, J-shaped bolts are prevented from being used as fixing parts, comb teeth tilting faults caused by loosening nuts are avoided, the structural strength is increased, the connecting strength is high, and the service life is prolonged. Meanwhile, the whole bridge is welded on the bridge anchoring ribs, concrete is poured after leveling, the construction period is short, and the installation efficiency is improved. Through accepting the upper dust guard and the lower dust guard in the crisscross seam below of broach portion, protect the bridge expansion joint, superimposed dual protection can effectively avoid the dust hard thing to fall in the bridge expansion joint. Through supporting leg and snubber block support dust guard, not only can prevent down the dust guard and hang down the deformation downwards, can also cushion the impact that the broach portion received, reduce the vehicle and pass through the noise.

In addition, the box seat is arranged at the bottom of the shock absorption block and welded with the C-shaped groove at the top of the supporting leg, so that the shock absorption block can be positioned and firmly installed, and displacement after impact is avoided; through the inside vulcanized layer steel sheet at the snubber block, can increase snubber block's self intensity, avoid taking place the loose condition of crushing. The cantilever end of the lower dust-proof plate is provided with the bending edge, so that the supporting strength of the cantilever end of the lower dust-proof plate can be increased, and sagging is avoided. The silencing chamfer is arranged at the tooth root of the tooth plate, so that compressed air is generated when the wheel is guided out from the tooth root to roll and pass through the tooth gap, and air explosion noise is reduced. Through at the top compound roof of snubber block, the roof can seal the bottom surface of oil storage hole, avoids taking place silicon-based lubricating grease and spills downwards from the oil storage hole, has improved lubricating grease's effective working length, and then has improved equipment life. Through welding the interior anchor board in the bottom surface of roof, can improve the joint strength of roof and snubber block, avoid the two to take place to break away from the condition.

Drawings

The utility model is further described with reference to the following description of the drawings.

FIG. 1 is a schematic front view of a vibration and noise reduction reinforced comb plate telescoping device of the present utility model;

FIG. 2 is a schematic top view of the vibration and noise reduction reinforced comb plate telescoping device of the present utility model;

FIG. 3 is an enlarged schematic view of a portion I of FIG. 1;

FIG. 4 is a schematic cross-sectional view of a damper block according to the present utility model;

FIG. 5 is a schematic front view of another embodiment of the vibration damping and noise reducing enhanced comb plate telescoping device of the present utility model;

fig. 6 is an enlarged partial view of the J portion of fig. 5.

Reference numerals illustrate: 1. a left toothed plate; 2. a right toothed plate; 201. silencing and chamfering; 3. an anchor plate; 301. 4, a vertical plate; 5. a dust-proof plate is arranged on the upper part; 6. a lower dust-proof plate; 601. bending edges; 602. an oil storage hole; 7. support legs; 8. a damper block; 801. a box base; 802. a damper block body; 803. a layer steel plate; 804. a top plate; 805. an inner anchor plate.

Detailed Description

The utility model has the core of providing a vibration-damping noise-reducing reinforced comb plate expansion device, each part is welded and connected, the structural strength is high, the service life is long, vibration and noise are reduced by arranging the damping blocks, and meanwhile, the dustproof plates are arranged in two layers, so that the dustproof effect is improved.

The following description of the embodiments of the present utility model will be made in detail with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to the drawings, FIG. 1 is a schematic front view of a vibration and noise reduction reinforced comb plate telescoping device of the present utility model; FIG. 2 is a schematic top view of the vibration and noise reduction reinforced comb plate telescoping device of the present utility model; FIG. 3 is an enlarged schematic view of a portion I of FIG. 1; FIG. 4 is a schematic cross-sectional view of a damper block according to the present utility model; FIG. 5 is a schematic front view of another embodiment of the vibration damping and noise reducing enhanced comb plate telescoping device of the present utility model; fig. 6 is an enlarged partial view of the J portion of fig. 5.

Example 1

As shown in fig. 1 to 4, the vibration-damping noise-reducing reinforced comb plate telescopic device of the present utility model comprises a left comb plate 1, a right comb plate 2, an anchor plate 3, a vertical plate 4, an upper dust-proof plate 5, a lower dust-proof plate 6, supporting legs 7 and a damping block 8. The left toothed plate 1 and the right toothed plate 2 are oppositely arranged on bridge sections on two sides of a bridge expansion joint and are arranged in an inward comb tooth part staggered mode, the anchor plates 3 are vertically welded on the lower bottom surface of the outer end of the left toothed plate 1 or the right toothed plate 2, and a plurality of anchor plates 3 are arranged at equal intervals along the length direction of the bridge and are welded on bridge anchor ribs on two sides of the expansion joint at the bottom. The vertical plate 4 is vertically welded on the lower bottom surface of the left toothed plate 1 or the right toothed plate 2, and the front end surface of the anchoring plate 3 is vertically welded with the outer side wall of the vertical plate 4. The upper dust guard 5 is welded on the bottom surface of the right toothed plate 2 and is positioned on the inner side of the vertical plate 4, the lower dust guard 6 is stacked below the upper dust guard 5, and the left side edge of the lower dust guard 6 is welded on the vertical plate 4 below the left toothed plate 1. The root of the supporting leg 7 is welded on the inner side surface of the vertical plate 4, namely, can be welded on the vertical plate 4 below the left toothed plate 1, and can also be welded on the vertical plate below the right toothed plate 2. The supporting legs 7 are arranged at equal intervals along the width direction of the bridge, and the damping blocks 8 are arranged on the supporting legs 7 and support the upper dust-proof plate 5 at the bottom.

The anchor plate is used as a supporting piece to be welded between the left toothed plate 1 and the right toothed plate 2 and the bridge anchor rib, the J-shaped bolt is used as a fixed part, the comb tooth tilting fault caused by loosening of the nut is avoided, the structural strength is increased, the connecting strength is high, and the service life is prolonged. Meanwhile, the whole bridge is welded on the bridge anchoring ribs, concrete is poured after leveling, the construction period is short, and the installation efficiency is improved. Through accepting the upper dust guard 5 and the lower dust guard 6 in the crisscross seam below of broach portion, protect the bridge expansion joint, superimposed dual protection can effectively avoid the dust hard thing to fall in the bridge expansion joint. The dust-proof plate is supported by the supporting legs 7 and the damping blocks 8, so that the lower dust-proof plate 6 can be prevented from sagging and deforming downwards, the impact received by the comb teeth can be buffered, and the passing noise of the vehicle is reduced.

Obviously, the supporting structure that supporting leg 7 and snubber block 8 are constituteed also can adopt the independent support frame, independent support frame bottom direct welding is fixed on the bridge anchor muscle of beam end, the top of independent support frame passes through the shock attenuation rubber pad butt on lower dust guard 6 bottom surface.

In a specific implementation manner of this embodiment, as shown in fig. 3 and 4, the damper 8 includes a box base 801 and a damper main body 802, the box base 801 is a C-shaped groove structure with an upward opening, the damper main body 802 is installed in the box base 801, a C-shaped groove is formed at the top of the supporting leg 7, and the box base 801 is welded in the C-shaped groove.

Specifically, as shown in fig. 4, the damper block main body 802 includes a rubber block and a layer steel plate 803, and the plurality of layer steel plates 803 are horizontally vulcanized in the rubber block at equal intervals.

The box seat 801 is arranged at the bottom of the shock absorption block 8 and welded with the C-shaped groove at the top of the supporting leg 7, so that the shock absorption block 8 can be positioned and firmly installed, and displacement after impact is avoided; through the vulcanized layer steel plate 803 inside the shock absorber 8, the self strength of the shock absorber 8 can be increased, and the crushing and loosening conditions are avoided.

In a specific implementation of this embodiment, as shown in fig. 1 and 3, the cantilever end of the lower dust-proof plate 6 is provided with a bending edge 601 that is formed by bending downward.

By providing the bent edge 601 at the cantilever end of the lower dust-proof plate 6, the supporting strength of the cantilever end of the lower dust-proof plate 6 can be increased, and sagging can be avoided.

In a specific implementation manner of this embodiment, as shown in fig. 1 and 3, the tooth root portion of the right tooth plate 2 is provided with a silencing chamfer 201, the silencing chamfer 201 is disposed at the upper edge line of the tooth root portion, and correspondingly, the tooth root portion of the left tooth plate 1 is also provided with a chamfer with a consistent structure. The noise reducing chamfer 201 can guide out the compressed air of the wheel rolling slot from the root of the comb teeth.

The silencing chamfer 201 is arranged at the tooth root of the toothed plate, so that compressed air can be generated when the wheel is guided out from the tooth root to roll and pass through the tooth gap, and air explosion noise is reduced.

Example 2

As shown in fig. 5 and 6, the lubrication between the dust-proof plates is improved on the basis of the above-described embodiment 1 to form the present embodiment. The lower dust-proof plate 6 is provided with a plurality of oil storage holes 602 at the overlapping part with the upper dust-proof plate 5, and the oil storage holes 602 are uniformly distributed in the overlapping area of the top surface of the shock-absorbing block 8 and the upper dust-proof plate 5. The oil storage hole 602 is a through hole and is filled with silicon-based grease having a good lubricating effect.

Through add oil storage hole 602 on lower dust guard 6, can improve the slip fit face of lower dust guard 6 and last dust guard 5 for the relative slip takes place between the two more easily and can not take place the fish tail and scratch the condition, noise when can reducing the slip moreover.

In a specific implementation of this embodiment, as shown in fig. 5 and 6, a top plate 804 is combined with the top of the damper block 8, and the top plate 804 is stacked on the bottom surface of the lower dust-proof plate 6 and seals the oil storage hole 602.

Specifically, as shown in fig. 6, the bottom surface of the top plate 804 is welded with two inner anchor plates 805, and the two inner anchor plates 805 protrude downward in a splayed shape. The inner anchor plate 805 is inserted obliquely downward into the rubber body of the damper block 8 and is vulcanized and compositely connected together.

Through compound roof 804 in the top of snubber block 8, roof 804 can seal the bottom surface of oil storage hole 602, avoids taking place silicon-based lubricating grease and spills downwards from oil storage hole 602, has improved lubricating grease's effective operating length, and then has improved equipment life. By welding the inner anchor plate 805 to the bottom surface of the top plate 804, the connection strength between the top plate 804 and the damper block 8 can be improved, and the detachment of the top plate 804 and the damper block 8 can be avoided.

According to the vibration-damping noise-reducing reinforced comb plate expansion device, the anchoring plates are used as the supporting pieces to be welded between the left toothed plate 1 and the right toothed plate 2 and the bridge anchoring ribs, J-shaped bolts are prevented from being used as the fixing parts, comb lifting faults caused by loosening nuts are avoided, the structural strength is increased, the connecting strength is high, and the service life is prolonged. Meanwhile, the whole bridge is welded on the bridge anchoring ribs, concrete is poured after leveling, the construction period is short, and the installation efficiency is improved. Through accepting the upper dust guard 5 and the lower dust guard 6 in the crisscross seam below of broach portion, protect the bridge expansion joint, superimposed dual protection can effectively avoid the dust hard thing to fall in the bridge expansion joint. The dust-proof plate is supported by the supporting legs 7 and the damping blocks 8, so that the lower dust-proof plate 6 can be prevented from sagging and deforming downwards, the impact received by the comb teeth can be buffered, and the passing noise of the vehicle is reduced. In addition, the box seat 801 is arranged at the bottom of the shock absorption block 8 and welded with the C-shaped groove at the top of the supporting leg 7, so that the shock absorption block 8 can be positioned and firmly installed, and displacement after impact is avoided; through the vulcanized layer steel plate 803 inside the shock absorber 8, the self strength of the shock absorber 8 can be increased, and the crushing and loosening conditions are avoided. By providing the bent edge 601 at the cantilever end of the lower dust-proof plate 6, the supporting strength of the cantilever end of the lower dust-proof plate 6 can be increased, and sagging can be avoided. The silencing chamfer 201 is arranged at the tooth root of the toothed plate, so that compressed air can be generated when the wheel is guided out from the tooth root to roll and pass through the tooth gap, and air explosion noise is reduced. Through compound roof 804 in the top of snubber block 8, roof 804 can seal the bottom surface of oil storage hole 602, avoids taking place silicon-based lubricating grease and spills downwards from oil storage hole 602, has improved lubricating grease's effective operating length, and then has improved equipment life. By welding the inner anchor plate 805 to the bottom surface of the top plate 804, the connection strength between the top plate 804 and the damper block 8 can be improved, and the detachment of the top plate 804 and the damper block 8 can be avoided.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. The vibration-damping noise-reducing reinforced comb plate expansion device is characterized by comprising a left toothed plate (1), a right toothed plate (2), an anchor plate (3), a vertical plate (4), an upper dustproof plate (5), a lower dustproof plate (6), supporting legs (7) and damping blocks (8), wherein the left toothed plate (1) and the right toothed plate (2) are oppositely arranged on bridge sections on two sides of a bridge expansion joint and are arranged in an inward comb part staggered manner, the anchor plate (3) is vertically welded on the lower bottom surface of the outer end of the left toothed plate (1) or the right toothed plate (2), a plurality of anchor plates (3) are arranged at equal intervals along the length direction of a bridge and are welded on bridge anchor ribs on two sides of the expansion joint at the bottom, the vertical plate (4) is vertically welded on the lower bottom surface of the left toothed plate (1) or the right toothed plate (2), and the front end surface of the anchor plate (3) is vertically welded with the outer side wall of the vertical plate (4); the upper dustproof plate (5) is welded on the bottom surface of the right toothed plate (2) and is positioned on the inner side of the vertical plate (4), the lower dustproof plate (6) is stacked below the upper dustproof plate (5), and the left side edge of the lower dustproof plate (6) is welded on the vertical plate (4) below the left toothed plate (1); the root welding of supporting leg (7) is in on riser (4) medial surface, a plurality of supporting leg (7) are equidistant the interval setting along bridge width direction, snubber block (8) are installed on supporting leg (7) and are right go up dust guard (5) support.

2. The vibration and noise reduction reinforced comb plate telescoping device according to claim 1, wherein: the shock-absorbing block (8) comprises a box seat (801) and a shock-absorbing block main body (802), wherein the box seat (801) is of a C-shaped groove structure with an upward opening, the shock-absorbing block main body (802) is installed in the box seat (801), a C-shaped groove is formed in the top of each supporting leg (7), and the box seat (801) is welded in the C-shaped groove.

3. The vibration and noise reduction reinforced comb plate telescoping device according to claim 2, wherein: the damping block main body (802) comprises a rubber block and a layer steel plate (803), wherein a plurality of layer steel plates (803) are horizontally vulcanized in the rubber block at equal intervals.

4. The vibration and noise reduction reinforced comb plate telescoping device according to claim 1, wherein: the cantilever end of the lower dust-proof plate (6) is provided with a bending edge (601) which is bent downwards to be formed.

5. The vibration and noise reduction reinforced comb plate telescoping device according to claim 1, wherein: the tooth root of right pinion rack (2) has seted up amortization chamfer (201), amortization chamfer (201) can follow the compressed air that the broach root derived wheel rolled the slot.

6. The vibration and noise reduction reinforced comb plate telescoping device according to claim 1, wherein: the lower dust guard (6) is provided with a plurality of oil storage holes (602) at the part overlapped with the upper dust guard (5), and the oil storage holes (602) are through holes and are filled with silicon-based lubricating grease with good lubricating effect.

7. The vibration and noise reduction reinforced comb plate telescoping device according to claim 6, wherein: the top of the shock absorption block (8) is compounded with a top plate (804), and the top plate (804) is overlapped on the bottom surface of the lower dust-proof plate (6) and seals the oil storage hole (602).

8. The vibration and noise reduction reinforced comb plate telescoping device according to claim 7, wherein: an inner anchor plate (805) is welded on the bottom surface of the top plate (804), and the inner anchor plate (805) is obliquely inserted into the rubber body of the shock absorption block (8) and is vulcanized and compositely connected together.