CN212357969U - Municipal bridge expansion joint - Google Patents

Abstract

The utility model relates to a municipal bridge expansion joint, which comprises beam bodies fixed at the two sides of the expansion joint, wherein movable plates are horizontally arranged on the two beam bodies, a plurality of mutually parallel comb teeth which are arranged at intervals in a staggered way are fixed on the respective opposite end surfaces of the movable plate, one end of each comb tooth is fixed on the movable plate, the other end of each comb tooth is abutted against the upper surface of the beam body, a water stop belt for connecting the two beam bodies is arranged on the beam bodies, a mounting groove is arranged on the upper surface of the beam bodies, a rotating shaft parallel to the expansion joint is horizontally fixed on one side of the mounting groove, which is far away from the expansion joint, the rotating shaft penetrates through the two ends of the movable plate and enables the movable plate to swing in the vertical direction, be provided with stop device in the mounting groove, stop device is including being used for the joint broach and preventing the latch mechanism that the broach rotated in vertical direction, acting on latch mechanism and making the broach can rotate's on-off mechanism in vertical direction. The utility model discloses have the effect that makes things convenient for the waterstop clean and change.

Description

Municipal bridge expansion joint

Technical Field

The utility model belongs to the technical field of the technique of bridge engineering construction accessory and specifically relates to a municipal bridge expansion joint is related to.

Background

A bridge expansion joint is defined as an expansion joint between two beam ends, between a beam end and an abutment, or at a hinge joint of a bridge, in order to meet the requirement of deformation of a bridge deck. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; 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 the position of the expansion joint, the handrail and the bridge deck pavement are disconnected. The function of the bridge expansion joints is to accommodate the displacement and coupling between the superstructure caused by vehicle loads and bridge building materials. Once the telescopic device of the skew bridge is damaged, the speed, the comfort and the safety of the vehicle are seriously influenced, and even the vehicle safety accident is caused.

Chinese patent publication No. CN203411892U discloses a bridge expansion joint device for resisting seismic displacement, which includes a first movable comb plate and a second movable comb plate respectively disposed on a first beam body and a second beam body at two sides of the bridge expansion joint, the first movable comb plate and the second movable comb plate are respectively provided with comb teeth at respective opposite ends and are arranged in a mutually crossing and spaced manner, wherein the first movable comb plate crosses the bridge expansion joint transversely so that the ends of the comb teeth are located on the second beam body, and the first movable comb plate and the second movable comb plate are respectively disposed on the respective beam bodies in a manner of being capable of rotating transversely with respect to the beam bodies. Compared with the prior art, the utility model discloses to comb plate and to the rigidity damage of whole bridge expansion joint device when can effectively avoid earthquake displacement, promoted expansion joint device's shock resistance.

The above prior art solutions have the following drawbacks: because dustproof stagnant water piles up the dust very easily or through the corruption of rainwater ageing very easily, needs regular maintenance, cleanness and change, first roof beam body and second roof beam body set up in the both sides at the bridge expansion joint in the device, and difficult dismantlement so change and the in-process of clean dustproof waterstop, need take off first movable comb plate and second movable comb plate one by one, and this operation has caused huge trouble for the cleanness and the change of dustproof waterstop.

Therefore, a new bridge expansion joint is urgently needed in the market to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a municipal bridge expansion joint.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a municipal bridge expansion joint, is including fixing the roof beam body in the expansion joint both sides, two equal level is provided with the fly leaf on the roof beam body, the relative end fixing of fly leaf separately has a plurality of broachs, the broach is located same horizontal plane and is parallel to each other, crisscross interval setting, broach one end is fixed on the fly leaf, the other end with roof beam body upper surface butt, be provided with on the roof beam body and connect two the waterstop of the roof beam body, roof beam body upper surface has seted up the mounting groove, the mounting groove is kept away from expansion joint position department level and is fixed with the axis of rotation that is on a parallel with the expansion joint, the axis of rotation runs through the fly leaf both ends and make the fly leaf rotate in the vertical direction, be provided with in the mounting groove and prevent the stop device that the broach rotates in the vertical direction, stop device is including being, Act on latch mechanism and make the switching mechanism that the broach can rotate in vertical direction.

Through adopting above-mentioned technical scheme, the roof beam body is fixed in the both sides expansion joint, plays the supporting role to the fly leaf, prevents that the fly leaf from appearing collapsing, and the broach is parallel to each other, crisscross interval sets up, makes the fly leaf can follow the bridge body in the horizontal direction and move in opposite directions, prevents that expend with heat and contract with cold and lead to the damage on bridge body road surface, opens operating device, makes the fly leaf can rotate in vertical direction round the axis of rotation, and the installation, the dismantlement, the clearance of the fly leaf below waterstop of being convenient for are followed and are.

The present invention may be further configured in a preferred embodiment as: the mounting groove with the broach butt sets up glide machanism on the surface, glide machanism is including seting up spacing groove, the fixed at the mounting groove and perpendicular to expansion joint the broach lower surface and the joint that slides are corresponding spacing inslot stopper.

Through adopting above-mentioned technical scheme, the stopper joint that slides makes the broach more steady at the in-process of motion at the spacing inslot, avoids leading to the broach to move towards the direction that is on a parallel with the expansion joint under the effect of external force simultaneously to lead to the damage of broach.

The present invention may be further configured in a preferred embodiment as: clamping mechanism is including seting up the fixed slot of spacing groove both sides inner wall, the inherent a plurality of joint springs of level in the fixed slot, joint spring one end is fixed in the fixed slot, other end level is fixed with the joint pole, offer on the stopper lateral wall and be used for the joint that slides the joint groove of joint pole, the joint pole is being close to set up on the lateral wall of stopper and seted up first spigot surface, first spigot surface from top to bottom moves towards the spacing groove center slope, set up on the stopper with the second spigot surface of first spigot surface butt, be convenient for the installation of broach.

Through adopting above-mentioned technical scheme, stopper downstream's in-process, first spigot surface and second spigot surface butt to push the direction motion of joint pole towards the compression of joint spring, until stopper lower surface and spacing groove butt, the joint pole is connected to the joint inslot under the effect of joint spring this moment, prevents that the broach from rotating in vertical direction.

The present invention may be further configured in a preferred embodiment as: the switch mechanism comprises a switch groove which is arranged on the mounting groove and is parallel to the expansion joint, one end of the fixing groove, far away from the expansion joint, is communicated with the switch groove, the clamping rod extends into the switch groove, a switch board capable of moving in the vertical direction is arranged in the switch groove in a sliding mode, a plurality of trapezoidal blocks are fixed on the lower surface of the switch board, two inclined planes of each trapezoidal block abut against the first guide surfaces respectively and are adjacent to the first guide surfaces respectively, a switch spring is fixed on the lower surface of the switch board between every two trapezoidal blocks, one end of each switch spring is fixed on the switch board, the other end of each switch spring is fixed on the bottom board of the switch groove, and the switch mechanism further comprises a driving assembly which is arranged on the movable board and is used for operating the switch board to move.

Through adopting above-mentioned technical scheme, under drive assembly's effect, the flush mounting plate downstream further compresses the switch spring, and trapezoidal piece and first spigot surface butt promote the butt pole towards the direction motion of keeping away from the spacing groove, and the butt connects pole and the separation of joint groove, and the fly leaf can rotate in vertical direction this moment, and the installation of the waterstop of being convenient for, clearance follow the dismantlement.

The present invention may be further configured in a preferred embodiment as: and a butt joint plate is horizontally fixed on the switch plate, and the lower surface of the butt joint plate is abutted against the two adjacent first guide surfaces.

Through adopting above-mentioned technical scheme, the setting of butt plate is convenient for the mounting panel at the in-process of lower motion, can be better push away the direction motion of joint pole towards keeping away from the joint groove, prevent only to act on the one end of joint pole because of the trapezoidal piece, lead to the joint pole to rotate on the horizontal direction, increase the distance of the downward motion of trapezoidal piece in joint pole and the joint groove separation process, prevent simultaneously because of the joint board is keeping away from the one end and the joint groove joint of switch slot position, lead to the joint pole can't separate with the joint groove.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a driving rod vertically fixed on the upper surface of the switch board, a driving groove formed in the lower surface of the movable plate and perpendicular to the switch board, a switch hole penetrates through the upper end face and the lower end face of the movable plate and is communicated with the driving groove, a driving plate moving in the vertical direction is arranged in the driving groove in a sliding mode, the driving rod is abutted to the lower surface of the driving plate, and a driving block penetrating through the driving block in the switch hole is fixed on the upper surface of the driving plate.

Through adopting above-mentioned technical scheme, through pressing the drive block, make drive plate downstream, drive plate and drive plate butt drive the flush mounting plate downstream, trapezoidal piece promotes the flush mounting plate towards the direction motion of keeping away from the spacing groove to make butt joint pole and joint groove separation, the fly leaf can rotate in vertical direction this moment, and the installation of the waterstop of being convenient for is with dismantling.

The present invention may be further configured in a preferred embodiment as: the inner walls of two sides of the driving groove are vertically provided with sliding grooves, the connecting line of the sliding grooves is perpendicular to the switch board, sliding blocks clamped in the sliding grooves are fixed at two ends of the driving board, abutting springs connected with the sliding blocks are vertically fixed on the inner walls of the sliding grooves, the abutting springs push the driving board to abut against the driving groove, and the driving block is flush with the upper surface of the movable board.

Through adopting above-mentioned technical scheme, under the effect of butt spring, the drive plate has the trend towards keeping away from the actuating lever direction motion all the time, prevents that the drive plate from leading to the actuating lever downstream because of self weight, makes the fly leaf can the free rotation.

The present invention may be further configured in a preferred embodiment as: two the roof beam body upper surface is seted up and is used for fixing the standing groove of waterstop, the standing groove is on a parallel with the expansion joint, waterstop both sides lower surface is fixed with the joint that slides and is in the dead lever in the standing groove.

Through adopting above-mentioned technical scheme, the dead lever joint of sliding is in the standing groove, and the installation of the waterstop of being convenient for is with dismantling.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the movable plate is rotatably connected to the beam body, and the opening and closing mechanism is opened, so that the movable plate can rotate around the rotating shaft in the vertical direction, and the water stop below the movable plate can be cleaned and maintained conveniently.

2. The dead lever joint that slides in the fixed slot, when rotor plate and waterstop separation, can directly take out the dead lever, the installation of the waterstop of being convenient for is with dismantling.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of a beam body.

Fig. 3 is a schematic view of the connection structure of the position limiting device.

Fig. 4 is a schematic structural view of the lower surface of the movable plate.

In the figure, 1, a beam body; 2. a movable plate; 3. comb teeth; 4. a water stop; 5. mounting grooves; 6. a rotating shaft; 7. a limiting device; 8. a clamping mechanism; 9. a switch mechanism; 10. a sliding mechanism; 11. a limiting groove; 12. a limiting block; 13. fixing grooves; 14. a clamping and connecting rod; 15. a clamping groove; 16. a first guide surface; 17. a second guide surface; 18. clamping a spring; 19. a switch slot; 20. a switch plate; 21. a trapezoidal block; 22. a switch spring; 23. a drive assembly; 24. a drive rod; 25. a drive slot; 26. a switch hole; 27. a drive plate; 28. a drive block; 29. a sliding groove; 30. an abutment spring; 31. a placement groove; 32. fixing the rod; 33. abutting against the board.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model discloses a municipal bridge expansion joint, which comprises a beam body 1 fixed on two sides of the expansion joint, a horizontal mounting groove 5 is arranged on the upper surface of the beam body 1, a rotating shaft 6 parallel to the expansion joint is rotatably connected in the mounting groove 5, the rotating shaft 6 is connected on the inner wall of two sides of the mounting groove 5 and is positioned on one side far away from the expansion joint, a movable plate 2 is arranged on the rotating shaft 6 in a penetrating way, when the movable plate 2 is horizontal, the upper surface of the movable plate 2 is flush with the upper surface of the beam body 1, a plurality of comb teeth 3 are integrally formed at one end of the two movable plates 2 far away from the rotating shaft 6, the comb teeth 3 are positioned on the same horizontal plane and are parallel to each other and are arranged at intervals in a staggered way, one end of the comb teeth 3 is connected with the movable plate 2, the lower surface of, the main effect is waterproof dustproof, in order not to let debris get into the gap, influences flexible.

Referring to fig. 2 and 3, at mounting groove 5 and 3 butts of broach on the surface set up glide machanism 10, glide machanism 10 including set up on mounting groove 5 and perpendicular to the spacing groove 11 at the expansion joint, fixed 3 lower surfaces of broach and the stopper 12 of joint in corresponding spacing groove 11 that slides, stopper 12 can move along the direction of perpendicular to expansion joint in spacing groove 11. Stopper 12 joint that slides in spacing groove 11, on the one hand stopper 12 plays supporting role to fly leaf 2, prevents that the car from driving or driving away from the in-process of broach 3, makes fly leaf 2 concentrate on axis of rotation 6 at the ascending rotation atress of vertical side, prevents that axis of rotation 6 from damaging because the atress is too big, and on the other hand is preceding expend with heat and contract with cold in-process, and the broach 3 motion is steady relatively, prevents that the dislocation that is on a parallel with the expansion joint direction from appearing in broach 3.

Referring to fig. 2 and 3, a limiting device 7 for preventing the comb teeth 3 from rotating in the vertical direction is provided in the mounting groove 5, and the limiting device 7 includes a latch mechanism 8 for latching the comb teeth 3 and preventing the comb teeth 3 from rotating in the vertical direction and a switch mechanism 9 acting on the latch mechanism 8 and enabling the comb teeth 3 to rotate in the vertical direction.

Referring to fig. 2 and 3, the clamping mechanism 8 includes a fixing groove 13 formed on the inner wall of the two sides of the limiting groove 11, a plurality of clamping springs 18 are horizontally fixed in the fixing groove 13, one end of each clamping spring 18 is fixed in the fixing groove 13, the other end of each clamping spring is horizontally fixed with a clamping rod 14, a clamping groove 15 for sliding and clamping the clamping rod 14 is formed on the side wall of the limiting block 12, a first guide surface 16 is horizontally formed on the side wall of the clamping rod 14 close to the limiting block 12, the first guide surface 16 is inclined from top to bottom towards the center of the limiting groove 11, a second guide surface 17 abutted against the first guide surface 16 is formed on the limiting block 12, when the limiting block 12 moves downwards, the first guide surface 16 and the second guide surface 17 are abutted against each other, and the clamping rod 14 is pushed to move towards the direction far away from the limiting groove 11, the abutting springs 30 continue to be compressed until the abutting rod slides and is, realize the fixed of stopper 12 in spacing groove 11, prevent that fly leaf 2 from rotating in vertical direction, the installation of the broach 3 of being convenient for.

Referring to fig. 2 and 3, the switch mechanism 9 includes a switch slot 19 that is provided on the mounting groove 5 and is parallel to the expansion joint, one end of the fixing slot 13 that is far away from the expansion joint is communicated with the switch slot 19, the clamping rod 14 extends into the switch slot 19, a switch plate 20 that can move in the vertical direction is slidably provided in the switch slot 19, a plurality of trapezoidal blocks 21 are fixed on the lower surface of the switch plate 20, two inclined surfaces of the trapezoidal blocks 21 are abutted to two adjacent first guide surfaces 16, a switch spring 22 is fixed on the lower surface of the switch plate 20 between two adjacent trapezoidal blocks 21, one end of the switch spring 22 is fixed on the switch plate 20, the other end of the switch spring is fixed on the bottom plate of the switch slot 19, and the switch mechanism 9 further includes a driving component 23 that is provided on the movable plate 2 and is used for operating the. Act on drive assembly 23, make switch board 20 downstream, two inclined planes of trapezoidal piece 21 and first spigot surface 16 butt this moment push joint pole 14 towards keeping away from the direction motion of spacing groove 11, make joint pole 14 and joint groove 15 separation to make movable plate 2 can rotate in vertical direction, be convenient for the waterstop 4 clean with the maintenance.

Referring to fig. 3 and 4, a plurality of abutting plates 33 are horizontally fixed on the side wall of the switch board 20, the abutting plates 33 abut against two adjacent first guide surfaces 16, and in the process that the abutting plates 33 move downwards along with the switch board 20, the clamping rod 14 can be better pushed to move towards the direction away from the clamping groove 15, so that the clamping rod 14 is prevented from rotating in the horizontal direction due to the fact that the trapezoidal blocks 21 only act on one end of the clamping rod 14, the distance that the trapezoidal blocks 21 need to move downwards in the separation process of the clamping rod 14 and the clamping groove 15 is increased, and meanwhile, the clamping rod 14 cannot be separated from the clamping groove 15 due to the fact that one end of the clamping plate away from the position of the switch groove 19 is clamped with the clamping groove 15.

Referring to fig. 3 and 4, the driving assembly 23 includes a driving rod 24 vertically fixed on the upper surface of the switch board 20, a driving groove 25 formed on the lower surface of the movable board 2 and perpendicular to the switch board 20, and a switch hole 26 (marked in fig. 1) penetrating the upper and lower end surfaces of the movable board 2 and communicating with the driving groove 25, sliding grooves 29 are vertically formed on the inner walls of both sides of the driving groove 25, the connecting line of the two sliding grooves 29 is perpendicular to the switch board 20, a switch spring 22 is fixed in the sliding groove 29, the lower end of the switch spring 22 is fixed in the sliding groove 29, the upper end of the switch spring is fixed with a sliding block, a driving plate 27 connecting the two sliding blocks is horizontally fixed on the sliding block, under the action of the switch spring 22, the driving plate 27 abuts against the driving groove 25 on the upper surface, a driving block 28 is fixed on the upper surface of the driving plate 27, the driving block 28 is flush with the, the driving plate 27 drives the driving rod 24 to move vertically downward, so as to push the switch board 20 to move downward, and under the combined action of the trapezoidal blocks 21 and the abutting plate 33, the clamping rod 14 is separated from the clamping groove 15, so that the movable plate 2 can rotate in the vertical direction conveniently.

Referring to 1, 1 upper surface of two roof beam bodies is equipped with the standing groove 31 that is used for fixed waterstop 4, and standing groove 31 is on a parallel with the expansion joint, and the lower fixed surface in 4 both sides of waterstop has the dead lever 32 of joint in standing groove 31 that slides, 2 lower surfaces of fly leaf and 4 both sides upper surface butt of waterstop, and the installation of the waterstop 4 of being convenient for is with dismantling.

The implementation principle of the embodiment is as follows: the driving block 28 drives the driving plate 27 to move downwards, the driving rod 24 abutted to the driving plate 27 drives the trapezoidal block 21 and the abutting plate 33 to move downwards, so that the clamping rod 14 is separated from the clamping groove 15, and the movable plate 2 can rotate in the vertical direction at the moment, so that the water stop 4 is convenient to clean, maintain and replace.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a municipal administration bridge expansion joint, is including fixing the roof beam body (1) in the expansion joint both sides, two equal level is provided with fly leaf (2) on roof beam body (1), fly leaf (2) relative tip is fixed with a plurality of broach (3) separately, broach (3) are located on same horizontal plane and are parallel to each other, crisscross interval sets up, broach (3) one end is fixed on fly leaf (2), the other end with roof beam body (1) upper surface butt, be provided with on the roof beam body (1) and connect two waterstop (4) of the roof beam body (1), its characterized in that: mounting groove (5) have been seted up to roof beam body (1) upper surface, expansion joint position department level is kept away from in mounting groove (5) and is fixed with axis of rotation (6) that is on a parallel with the expansion joint, axis of rotation (6) run through fly leaf (2) both ends and make fly leaf (2) can rotate in vertical direction, be provided with in mounting groove (5) and prevent broach (3) pivoted stop device (7) in vertical direction, stop device (7) are including being used for the joint broach (3) and prevent joint mechanism (8) that broach (3) rotated in vertical direction act on joint mechanism (8) and make broach (3) can be in vertical direction on-off mechanism (9) of rotating.

2. The municipal bridge expansion joint of claim 1, wherein: mounting groove (5) with comb tooth (3) butt sets up glide machanism (10) on the surface, glide machanism (10) are including seting up spacing groove (11), the fixing at mounting groove (5) last and perpendicular to expansion joint comb tooth (3) lower surface and the joint that slides are corresponding stopper (12) in spacing groove (11).

3. The municipal bridge expansion joint of claim 2, wherein: clamping mechanism (8) are including seting up fixed slot (13) of spacing groove (11) both sides inner wall, the inherent a plurality of joint spring (18) of level in fixed slot (13), joint spring (18) one end is fixed in fixed slot (13), other end level is fixed with joint pole (14), offer on stopper (12) lateral wall and be used for the joint that slides joint groove (15) of joint pole (14), joint pole (14) are being close to set up on the lateral wall of stopper (12) and seted up first spigot surface (16), first spigot surface (16) from top to bottom orientation spacing groove (11) center slope, offer second spigot surface (17) with first spigot surface (16) butt on stopper (12), be convenient for the installation of broach (3).

4. The municipal bridge expansion joint of claim 3, wherein: the switch mechanism (9) comprises a switch groove (19) which is arranged on the mounting groove (5) and is parallel to the expansion joint, one end of the fixing groove (13) far away from the expansion joint is communicated with the switch groove (19), the clamping rod (14) extends into the switch groove (19), a switch plate (20) capable of moving in the vertical direction is arranged in the switch groove (19) in a sliding mode, a plurality of trapezoidal blocks (21) are fixed to the lower surface of the switch plate (20), two inclined surfaces of each trapezoidal block (21) are respectively abutted to the first guide surfaces (16), a switch spring (22) is fixed to the lower surface of the switch plate (20) between every two adjacent trapezoidal blocks (21), one end of each switch spring (22) is fixed to the switch plate (20), the other end of each switch spring is fixed to the bottom surface of the switch groove (19), and the switch mechanism (9) further comprises a driving plate (2) which is arranged on the movable plate (2) and is used for operating the switch plate (20) to move up and down And a moving component (23).

5. The municipal bridge expansion joint of claim 4, wherein: and a butt joint plate (33) is horizontally fixed on the switch plate (20), and the lower surface of the butt joint plate (33) is butted with the two adjacent first guide surfaces (16).

6. The municipal bridge expansion joint of claim 4, wherein: drive assembly (23) including vertical fixing actuating lever (24), the seting up of switch board (20) upper surface fly leaf (2) lower surface and perpendicular to drive slot (25) of switch board (20) run through terminal surface about fly leaf (2) and with switch hole (26) of drive slot (25) intercommunication, the internal sliding motion of drive slot (25) is provided with drive plate (27) of vertical direction upward movement, actuating lever (24) with drive plate (27) lower surface butt, drive plate (27) upper surface is fixed with wears to establish drive block (28) in switch hole (26).

7. The municipal bridge expansion joint of claim 6, wherein: drive groove (25) both sides inner wall is vertical has seted up and has slided groove (29), two the line perpendicular to in the groove of sliding (29) switch board (20), drive plate (27) both ends are fixed with the joint of sliding and are in slide sliding block in groove (29), slide groove (29) inner wall is vertical to be fixed with the connection slide sliding block's butt spring (30), butt spring (30) promote drive plate (27) with drive groove (25) butt, drive block (28) with fly leaf (2) upper surface flushes.

8. The municipal bridge expansion joint of claim 1, wherein: two standing groove (31) that are used for fixing waterstop (4) are seted up to roof beam body (1) upper surface, standing groove (31) are on a parallel with the expansion joint, waterstop (4) both sides lower surface is fixed with the joint that slides and is in dead lever (32) in standing groove (31).

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