CN215405573U - Public road bridge roof beam expansion joint protector - Google Patents

Abstract

The utility model relates to a highway bridge expansion joint protection device which comprises a reserved mechanism, wherein a pavement mechanism is arranged inside a frame mechanism, a telescopic mechanism is arranged inside the pavement mechanism, two shock-absorbing rubber pads are fixedly arranged at the top of the telescopic mechanism, a bearing mechanism with one end fixedly connected with the pavement mechanism is fixedly arranged at the top of each shock-absorbing rubber pad, a protection mechanism with one end fixedly connected with the pavement mechanism is fixedly arranged at the bottom of each bearing mechanism, and each protection mechanism comprises a cross rod, a sliding block, a triangular block and a buffer spring. This public road bridge roof beam expansion joint protector, through the setting of rubber-shock absorber pad, bearing mechanism and protection machanism, effectually protect telescopic machanism, has avoided the vehicle flow to cause the damage to telescopic machanism when too much, just also can not make telescopic machanism's life reduce.

Description

Public road bridge roof beam expansion joint protector

Technical Field

The utility model relates to the technical field of highway bridge expansion joints, in particular to a highway bridge expansion joint protection device.

Background

The highway bridge expansion joint is a specially reserved structure when a highway bridge is built, the safety of the highway bridge is mainly prevented from being influenced by factors such as temperature change and the like, the expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the highway bridge expansion joint is firm and reliable and has smooth running and no sudden jump and noise when a vehicle runs; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient.

At present, the highway bridge expansion joint is usually on the same straight line with the road surface, but current highway bridge expansion joint self protector protective effect is not good, because vehicle flow, road surface load are different, if at the bridge highway section that vehicle flow is more, the number of times that the expansion joint was pressed by the vehicle becomes more, along with the lapse of time, the compressive strength of expansion joint can reduce gradually to cause the damage to the expansion joint, make the life of expansion joint reduce.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the highway bridge expansion joint protection device which has the advantages of good protection effect and the like, and solves the problem of poor protection effect of the highway bridge expansion joint protection device.

In order to achieve the purpose, the utility model provides the following technical scheme: a highway bridge expansion joint protection device comprises a reserved mechanism, wherein a pavement mechanism is arranged inside a frame mechanism, a telescopic mechanism is arranged inside the pavement mechanism, two shock-absorbing rubber pads are fixedly mounted at the top of the telescopic mechanism, a bearing mechanism with one end fixedly connected with the pavement mechanism is fixedly mounted at the top of each shock-absorbing rubber pad, and a protection mechanism with one end fixedly connected with the pavement mechanism is fixedly mounted at the bottom of each bearing mechanism;

protection machanism includes horizontal pole, slider, three hornblocks and buffer spring, the equal fixed mounting in the left and right sides of telescopic machanism has one end and road surface mechanism fixed connection's horizontal pole, the outside movable mounting of horizontal pole has the slider, the top fixed mounting of slider has the three hornblocks that one end and bearing mechanism contacted, the outside fixed mounting that one side that the slider was carried on the back mutually all just is located the horizontal pole has one end and road surface mechanism fixed connection's buffer spring.

Further, frame mechanism includes the roof beam body, reserves seam and banding, the banding has all been placed to both sides around the top of the roof beam body, the top of the roof beam body is seted up and is located the banding bottom and one and run through and extend to the reservation seam of roof beam body bottom.

Further, road surface mechanism is including layer and the filling layer of mating formation, the top of the roof beam body and the left and right sides fixed mounting that is located the reservation seam have the filling layer that one end and banding contacted, the equal fixed mounting in one side that the filling layer was carried on the back mutually has the layer of mating formation of one end and roof beam body fixed connection.

Further, telescopic machanism includes waterproof platform and flexible subassembly, the top of the roof beam body just is located to reserve seam top fixed mounting and has the waterproof platform that is located the filling layer inside and one end extends to reserve seam inside.

Further, bearing mechanism includes bearing plate, bumper shock absorber and pulley, the top fixed mounting of vibration-damping rubber pad has one end and the bearing plate that the layer contacted of mating formation, the bottom fixed mounting of bearing plate has one end and filling layer fixed connection's bumper shock absorber, the bottom of bearing plate just is located the equal fixed mounting in the bumper shock absorber left and right sides and has the pulley that one end and triangle piece contacted.

Further, the shock-absorbing rubber pads are located on the left side and the right side of the reserved seam, one side, back to each other, of the cross rod is fixedly connected with the paving layer, and the filling layer is a cement filling layer.

Further, waterproof platform is waterproof platform of aluminum alloy, the bearing plate is titanium alloy board, rear side the right side fixed mounting of banding has one end to run through the banding and extends to the inside drain pipe of waterproof platform, the bottom of waterproof platform inclines backward.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this public road bridge roof beam expansion joint protector, through the setting of rubber-shock absorber pad, bearing mechanism and protection machanism, effectually protect telescopic machanism, has avoided the vehicle flow to cause the damage to telescopic machanism when too much, just also can not make telescopic machanism's life reduce.

2. This public road bridge roof beam expansion joint protector, through the setting of waterproof platform and drain pipe, the effectual rainwater of avoiding makes it life greatly increased to telescopic machanism's erosion, has made things convenient for the use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a right sectional view of the waterproof platform, the reserved seam and the edge sealing connection structure of the present invention.

In the figure: the structure comprises a frame mechanism 1, a beam body 101, a reserved seam 102, a 103 edge sealing mechanism, a pavement mechanism 2, a pavement layer 201, a filling layer 202, a telescopic mechanism 3, a waterproof platform 301, a telescopic assembly 302, a damping rubber pad 4, a bearing mechanism 5, a bearing plate 501, a damper 502, a pulley 503, a protection mechanism 6, a cross rod 601, a sliding block 602, a triangular block 603 and a buffer spring 604.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the protection device for an expansion joint of a highway bridge in the embodiment includes a reserved mechanism 1, a pavement mechanism 2 is disposed inside the frame mechanism 1, a telescopic mechanism 3 is disposed inside the pavement mechanism 2, two shock-absorbing rubber pads 4 are fixedly mounted on the top of the telescopic mechanism 3, a bearing mechanism 5 with one end fixedly connected with the pavement mechanism 2 is fixedly mounted on the top of the shock-absorbing rubber pads 4, and a protection mechanism 6 with one end fixedly connected with the pavement mechanism 2 is fixedly mounted on the bottom of the bearing mechanism 5;

the protection mechanism 6 comprises a cross rod 601, a sliding block 602, a triangular block 603 and a buffer spring 604, the left side and the right side of the telescopic mechanism 3 are both fixedly provided with the cross rod 601, one end of the cross rod is fixedly connected with the pavement mechanism 2, the sliding block 602 is movably arranged outside the cross rod 601, the top of the sliding block 602 is fixedly provided with the triangular block 603, one end of the triangular block is in contact with the bearing mechanism 5, one side of the sliding block 602, which is opposite to the other side, is fixedly provided with the buffer spring 604, one end of the buffer spring is fixedly connected with the pavement mechanism 2, in use, the triangular block 603 is extruded and is driven by the sliding block 602 to move in opposite directions by the bearing mechanism 5 moving downwards, and the elasticity and the pressure form opposite force due to the fact that the buffer spring 604 has high elasticity, and the pressure can effectively slow down.

In this embodiment, frame mechanism 1 includes the roof beam body 101, reserves seam 102 and banding 103, and banding 103 has all been placed to both sides around the top of the roof beam body 101, and the top of the roof beam body 101 is seted up and is located banding 103 bottom and one and run through and extend to the reservation seam 102 of roof beam body 101 bottom, through the setting of reserving seam 102, makes telescopic machanism 3 can be used.

In this embodiment, road surface mechanism 2 is including the layer 201 and the filling layer 202 of mating formation, and the top of the roof beam body 101 and the left and right sides fixed mounting that is located reservation seam 102 have the filling layer 202 that one end and banding 103 contacted, and the equal fixed mounting in one side that the filling layer 202 carried on the back mutually has the layer 201 of mating formation of one end and roof beam body 101 fixed connection, through the setting of filling layer 202, makes telescopic machanism 3 and roof beam body 101 and the layer 201 of mating formation combine together, makes telescopic machanism 3 self intensity better.

In this embodiment, telescopic machanism 3 includes waterproof platform 301 and telescopic component 302, and the top of the roof beam body 101 just is located and reserves seam 102 top fixed mounting have be located filling layer 202 inside and one end extend to reserve seam 102 inside waterproof platform 301, through the setting of waterproof platform 301, makes telescopic component 302 inside ponding by effectual discharge, has avoided telescopic component 302 to receive the erosion of ponding.

In this embodiment, bearing mechanism 5 includes bearing plate 501, bumper shock absorber 502 and pulley 503, the top fixed mounting of shock-absorbing rubber pad 4 has one end and the bearing plate 501 that the layer 201 contacted of mating formation, the bottom fixed mounting of bearing plate 501 has one end and filling layer 202 fixed connection's bumper shock absorber 502, the bottom of bearing plate 501 just is located the equal fixed mounting in the left and right sides of bumper shock absorber 502 and has one end and the pulley 503 that the triangle piece 603 contacted, setting through bearing plate 501, make protection machanism 6 can be used, the effectual messenger's power of bumper shock absorber 502 and pulley 503 is dispersed and is slowed down.

In this embodiment, rubber gasket 4 is located the left and right sides of reserving seam 102, and horizontal pole 601 one side that carries on the back mutually all with layer 201 fixed connection of mating formation, and filling layer 202 is the cement filling layer, and through rubber gasket 4's setting, it is inside to have avoided too much dust to get into bearing plate 501.

In this embodiment, waterproof platform 301 is the waterproof platform of aluminum alloy, bearing plate 501 is the titanium alloy board, the right side fixed mounting of rear side banding 103 has one end to run through banding 103 and extend to the inside drain pipe of waterproof platform 301, the bottom of waterproof platform 301 inclines backward, through the setting of the waterproof platform of aluminum alloy, not only make waterproof platform 301 cost reduction, and make it intensity and corrosion resistance better, the setting of titanium alloy board, make bearing plate 501 have good shape memory function, and make it intensity, corrosion resistance is better, long-term use.

The working principle of the above embodiment is as follows:

(1) in use, after the traffic flow passes through the bearing plate 501, the bearing plate 501 is a titanium alloy plate, so that the bearing plate 501 has certain elasticity, at the moment, the bearing plate 501 deforms downwards, the shock absorber 502 contracts and slows down certain pressure, meanwhile, the pulley 503 is driven by the bearing plate 501 to move downwards, the triangular block 603 is extruded and is driven by the sliding block 602 to displace in the opposite direction at the cross rod 601, as the buffer spring 604 has high elasticity, the elasticity and the pressure form counter force, the pressure is slowed down again, and the traffic flow is prevented from directly damaging the telescopic assembly 302, so that the telescopic assembly 302 is effectively protected, the telescopic assembly 302 is prevented from being damaged when the traffic flow is too much, and the service life of the telescopic assembly 302 is prevented from being reduced;

(2) in use, through the rainwater through flexible subassembly 302 inflow waterproof platform 301 inside, because waterproof platform 301 bottom inclines backward, the effectual rivers that make are discharged through the drain pipe, so, the effectual rainwater of avoiding makes it life greatly increased to telescopic machanism 3's erosion, has made things convenient for the use.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a public road bridge roof beam expansion joint protector, includes frame mechanism (1), its characterized in that: a pavement mechanism (2) is arranged inside the frame mechanism (1), a telescopic mechanism (3) is arranged inside the pavement mechanism (2), two shock-absorbing rubber pads (4) are fixedly installed at the top of the telescopic mechanism (3), a bearing mechanism (5) with one end fixedly connected with the pavement mechanism (2) is fixedly installed at the top of each shock-absorbing rubber pad (4), and a protection mechanism (6) with one end fixedly connected with the pavement mechanism (2) is fixedly installed at the bottom of each bearing mechanism (5);

protection machanism (6) are including horizontal pole (601), slider (602), three hornblocks (603) and buffer spring (604), the equal fixed mounting in the left and right sides of telescopic machanism (3) has one end and road surface mechanism (2) fixed connection's horizontal pole (601), the outside movable mounting of horizontal pole (601) has slider (602), the top fixed mounting of slider (602) has three hornblocks (603) that one end and bearing mechanism (5) contacted, the outside fixed mounting that one side that slider (602) carried on the back mutually all just is located horizontal pole (601) has one end and road surface mechanism (2) fixed connection's buffer spring (604).

2. The public road bridge expansion joint protector according to claim 1, characterized in that: frame structure (1) includes roof beam body (101), reserves seam (102) and banding (103), banding (103) have all been placed to both sides around the top of roof beam body (101), the top of roof beam body (101) is seted up and is located banding (103) bottom and one and run through and extend to reserving seam (102) of roof beam body (101) bottom.

3. The public road bridge expansion joint protector according to claim 2, characterized in that: pavement mechanism (2) are including layer (201) and filling layer (202) of mating formation, the top of the roof beam body (101) just is located left and right sides fixed mounting who reserves seam (102) and has filling layer (202) that one end and banding (103) contacted, the equal fixed mounting in one side that filling layer (202) carried on the back mutually has layer (201) of mating formation of one end and roof beam body (101) fixed connection.

4. The public road bridge expansion joint protector according to claim 3, characterized in that: telescopic machanism (3) are including waterproof platform (301) and flexible subassembly (302), the top of roof beam body (101) just is located reserve seam (102) top fixed mounting have be located filling layer (202) inside and one end extend to reserve seam (102) inside waterproof platform (301).

5. The public road bridge expansion joint protector according to claim 4, wherein: bearing mechanism (5) include bearing plate (501), bumper shock absorber (502) and pulley (503), the top fixed mounting of shock-absorbing rubber pad (4) has one end and bearing plate (501) that layer (201) contacted of mating formation, the bottom fixed mounting of bearing plate (501) has one end and filling layer (202) fixed connection's bumper shock absorber (502), the bottom of bearing plate (501) just is located the equal fixed mounting in bumper shock absorber (502) left and right sides and has pulley (503) that one end and triangle-shaped piece (603) contacted.

6. The public road bridge expansion joint protector according to claim 3, characterized in that: the shock-absorbing rubber pads (4) are located on the left side and the right side of the reserved seam (102), one side, back to the back, of the cross rod (601) is fixedly connected with the pavement layer (201), and the filling layer (202) is a cement filling layer.

7. The public road bridge expansion joint protector according to claim 5, wherein: waterproof platform (301) are waterproof platform of aluminum alloy, bearing plate (501) are titanium alloy board, rear side the right side fixed mounting of banding (103) has one end to run through banding (103) and extend to the inside drain pipe of waterproof platform (301), the bottom of waterproof platform (301) inclines backward.

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