CN211897825U

CN211897825U - Multistage damping support of bridge

Info

Publication number: CN211897825U
Application number: CN202020538010.1U
Authority: CN
Inventors: 肖小铃
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-10
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a multistage damping support of bridge, including holding down plate and damping spring, the top of holding down plate is provided with the top board, middle part fixedly connected with vibration-damping rubber pad between holding down plate and the top board, first snubber block is installed in the top four corners of holding down plate, wherein, the both sides that the holding down plate is close to first snubber block are provided with the fixed block, first snubber block is close to the bottom both sides and has seted up the fixed slot. The utility model discloses a regulation pole and spring baffle that set up, when needing to dismantle damping spring, rotate the regulation pole, adjust the pole and produce relative rotation with the spring baffle, make and adjust the pole and produce relative displacement with the spring baffle, thereby the spring baffle upwards removes at the spring inslot, thereby makes damping spring can extend and resume the shape, avoids damping spring to continue to support the spring baffle, later dismantles first snubber block and second snubber block, is convenient for dismantle damping spring.

Description

Multistage damping support of bridge

Technical Field

The utility model relates to a multistage damping bearing of bridge technical field specifically is a multistage damping bearing of bridge.

Background

The bridge damping support is an important structural component for connecting an upper bridge structure and a lower bridge structure, and has the function of reliably transferring load and deformation borne by the upper bridge structure to the lower bridge structure so as to ensure the stability of the bridge.

Although the types and the number of the conventional multistage damping support for the bridge are very large, the conventional multistage damping support for the bridge still has a certain problem, and certain inconvenience is brought to the use of the multistage damping support for the bridge.

Current multistage damping support of bridge when using, damping spring can be along with live time's extension, and the shock attenuation effect can be weakened, needs to change damping spring, but damping spring is in compression state when using, and the inconvenient change of dismantling damping spring, inconvenient use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage damping support of bridge has solved current multistage damping support of bridge when using, and damping spring can be along with live time's extension, and the shock attenuation effect can be weakened, needs to change damping spring, but damping spring is in compression state when using, and the inconvenient dismantlement of damping spring is changed, the problem of inconvenient use.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge multistage damping support comprises a lower pressing plate and a damping spring, wherein an upper pressing plate is arranged at the top of the lower pressing plate, a damping rubber pad is fixedly connected to the middle part between the lower pressing plate and the upper pressing plate, first damping blocks are arranged at four corners of the top of the lower pressing plate, wherein,

the two sides of the lower pressing plate, which are close to the first damping block, are provided with fixed blocks, the two sides of the first damping block, which are close to the bottom, are provided with fixed grooves, one side of the fixed block, which is close to the fixed grooves, is fixedly provided with a fixed rod, the bottom of the lower pressing plate, which is close to the fixed blocks, is provided with a sliding groove, one side of the fixed block, which is close to the sliding groove, is fixedly provided with a sliding block, a screw rod penetrates through the inside of the sliding groove;

the utility model discloses a damping device, including first snubber block, spring groove, regulation pole groove, spring baffle, threaded groove, regulation pole, top intercommunication that first snubber block is close to the spring groove have the regulating lever groove, damping spring is located the inside in spring groove, damping spring's top is connected with spring baffle, threaded groove has been run through at spring baffle's middle part, the internal connection of threaded groove has the regulation pole, the inside that spring baffle was kept away from to the regulation pole runs through the regulating lever groove extends to the outside, the top of adjusting the pole is rotated and is connected with the second snubber block, the constant head tank has been seted up to one side that the top board is close to the second snubber block, one.

Preferably, the fixing rod is a cylinder, and the fixing rod and the fixing groove form a clamping structure.

Preferably, the sliding groove and the sliding block are T-shaped, and the sliding groove and the sliding block form a sliding structure.

Preferably, two sections of external threads are arranged on the screw rod, the two sections of external threads of the screw rod are respectively positioned in the sliding grooves on the two sides, and the grains of the two sections of external threads of the screw rod are opposite.

Preferably, the spring groove and the spring baffle are rectangular in cross section, and the spring baffle is elastically connected with the first damping block through the damping spring.

Preferably, the adjusting rod is in threaded connection with the spring baffle through external threads, and the outer diameter of the adjusting rod is smaller than the inner diameter of the damping spring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a regulation pole and the spring baffle that set up, when needing to dismantle damping spring, rotate the regulation pole, adjust pole and spring baffle and produce relative rotation, make regulation pole and spring baffle produce relative displacement, the spring baffle moves upwards in the spring groove, make damping spring extend and resume the shape, avoid damping spring to continue to support the spring baffle, later dismantle first snubber block and second snubber block, be convenient for dismantle damping spring;

2. the utility model has the advantages that through the arrangement of the fixed rod and the fixed groove, the first damping block supports the lower pressing plate, so that the fixed groove of the lower pressing plate is aligned with the fixed rod, and then the fixed block drives the fixed rod to enter the fixed groove, thereby facilitating the installation of the first damping block and the second damping block;

3. the utility model discloses a slider that sets up, when the lead screw drives the slider and removes, the slider drives the fixed block and removes, through the sliding structure that spout and slider constitute, avoids the removal of fixed block to produce the skew, is convenient for make the fixed block drive the inside that the dead lever got into the fixed slot.

Drawings

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

FIG. 2 is a schematic view of a top cross-sectional structure of a first damping block of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a lower pressing plate; 2. an upper pressure plate; 3. a shock-absorbing rubber pad; 4. a first damper block; 5. a fixed block; 6. fixing grooves; 7. fixing the rod; 8. a chute; 9. a slider; 10. a screw rod; 11. a spring slot; 12. an adjusting rod groove; 13. a damping spring; 14. a spring baffle; 15. a thread groove; 16. adjusting a rod; 17. a second damper block; 18. positioning a groove; 19. and (5) positioning the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a bridge multistage damping support comprises a lower pressing plate 1, an upper pressing plate 2, a damping rubber pad 3, a first damping block 4, a fixed block 5, a fixed groove 6, a fixed rod 7, a sliding groove 8, a sliding block 9, a screw rod 10, a spring groove 11, a regulating rod groove 12, a damping spring 13, a spring baffle 14, a thread groove 15, a regulating rod 16, a second damping block 17, a positioning groove 18 and a positioning block 19, wherein the upper pressing plate 2 is arranged at the top of the lower pressing plate 1, the damping rubber pad 3 is fixedly connected to the middle part between the lower pressing plate 1 and the upper pressing plate 2, the first damping blocks 4 are arranged at four corners of the top of the lower pressing plate 1, wherein,

the two sides of the lower press plate 1 close to the first damping block 4 are provided with fixed blocks 5, the two sides of the first damping block 4 close to the bottom are provided with fixed grooves 6, one side of the fixed block 5 close to the fixed grooves 6 is fixed with a fixed rod 7, the fixed rod 7 is a cylinder, the fixed rod 7 and the fixed grooves 6 form a clamping structure, when the second damping block 17 drives a positioning block 19 to enter the inside of the positioning groove 18, the first damping block 4 is abutted against the lower press plate 1, the fixed grooves 6 of the lower press plate 1 are aligned with the fixed rod 7, then the fixed block 5 drives the fixed rod 7 to enter the inside of the fixed groove 6, the first damping block 4 and the second damping block 17 are convenient to install, the bottom of the lower press plate 1 close to the fixed block 5 is provided with a chute 8, the chute 8 and the sliding block 9 are T-shaped, and the chute 8 and the sliding block 9 form a, the sliding block 9 drives the fixed block 5 to move, the sliding structure formed by the sliding groove 8 and the sliding block 9 is used for avoiding the displacement of the fixed block 5, so that the fixed block 5 drives the fixed rod 7 to enter the inside of the fixed groove 6, the sliding block 9 is fixed on one side of the fixed block 5 close to the sliding groove 8, the sliding groove 8 is internally penetrated by a screw rod 10, two sections of external threads are arranged on the screw rod 10, the two sections of external threads of the screw rod 10 are respectively positioned inside the sliding grooves 8 on the two sides, the grains of the two sections of external threads of the screw rod 10 are opposite, the screw rod 10 is rotated and can simultaneously drive the sliding blocks 9 on the two sides to move towards opposite directions, so that the screw rod 10 simultaneously drives the fixed rods 7 on the two sides to enter or move out of the fixed groove 6, the first damping block 4 is convenient to install or disassemble, the spring groove 11 is arranged inside the first, the spring baffle 14 is elastically connected with the first damping block 4 through the damping spring 13, when the upper pressing plate 2 is vibrated by the bridge, the upper pressing plate 2 drives the second damping block 17 to move downwards, the second damping block 17 drives the spring baffle 14 to move downwards through the adjusting rod 16, so that the damping spring 13 is compressed, the bridge is conveniently damped through elastic deformation generated by the damping spring 13, and meanwhile, when the adjusting rod 16 is rotated, the spring baffle 14 is prevented from being driven by the adjusting rod 16 to rotate, so that the adjusting rod 16 and the spring baffle 14 rotate relatively;

the top of the first damping block 4 close to the spring groove 11 is communicated with an adjusting rod groove 12, the damping spring 13 is located inside the spring groove 11, the top of the damping spring 13 is connected with a spring baffle 14, a thread groove 15 penetrates through the middle of the spring baffle 14, an adjusting rod 16 is connected inside the thread groove 15, the adjusting rod 16 is in threaded connection with the spring baffle 14 through external threads, the outer diameter of the adjusting rod 16 is smaller than the inner diameter of the damping spring 13, when the damping spring 13 needs to be disassembled, the adjusting rod 16 is rotated, the adjusting rod 16 and the spring baffle 14 rotate relatively, the adjusting rod 16 and the spring baffle 14 generate relative displacement, the spring baffle 14 moves upwards in the spring groove 11, the damping spring 13 can extend to restore the shape, the damping spring 13 is prevented from continuously abutting against the spring baffle 14, and the first damping block 4 and the second damping block 17 are convenient to disassemble, one end of the adjusting rod 16, which is far away from the spring baffle 14, penetrates through the inside of the adjusting rod groove 12 and extends to the outside, the top of the adjusting rod 16 is rotatably connected with a second damping block 17, one side of the upper pressure plate 2, which is close to the second damping block 17, is provided with a positioning groove 18, and one side of the second damping block 17, which is close to the positioning groove 18, is fixed with a positioning block 19.

The working principle is as follows: when the multistage damping support for the bridge is used, the upper pressing plate 2 is vibrated by the bridge, the upper pressing plate 2 drives the second damping block 17 to move downwards, the second damping block 17 drives the spring baffle 14 to move downwards through the adjusting rod 16, the damping spring 13 is compressed, the damping rubber pads 3 generate elastic deformation with the damping springs 13 on four sides, multistage damping is performed on the bridge, when the damping spring 13 needs to be replaced, the lower pressing plate 1 and the upper pressing plate 2 are propped through the jack, one side of the first damping block 4 and the second damping block 17 which need to be disassembled is supported, then the adjusting rod 16 is rotated, the adjusting rod 16 and the spring baffle 14 generate relative rotation, the adjusting rod 16 and the spring baffle 14 generate relative displacement, the spring baffle 14 moves upwards in the spring groove 11, the damping spring 13 can extend to recover the shape, and the damping spring 13 is prevented from continuously propping against the spring baffle 14, the adjusting rod 16 is rotated continuously, so that the adjusting rod 16 drives the positioning block 19 to move out of the positioning slot 18, then the screw rod 10 is rotated, the screw rod 10 drives the fixing rods 7 at two sides to move out of the fixing groove 6, so that the first damping block 4 and the second damping block 17 can be conveniently replaced, the first damping block 4 and the second damping block 17 to be installed are moved, the first damping block 4 abuts against the lower pressing plate 1, the fixing groove 6 of the lower pressing plate 1 is aligned with the fixing rod 7, then the fixing block 5 drives the fixing rod 7 to enter the fixing groove 6, so that the first damping block 4 and the second damping block 17 can be conveniently installed, then, the adjusting rod 16 is rotated reversely, so that the damping spring 13 is in a compressed state, the damping spring 13 abuts against the second damping block 17, the second damping block 17 is prevented from driving the positioning block 19 to move out of the positioning groove 18, and then the first damping block 4, the second damping block 17 and the damping spring 13 on the other three sides are sequentially replaced.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multistage damping bearing of bridge, includes holding down plate (1) and damping spring (13), its characterized in that: an upper pressing plate (2) is arranged at the top of the lower pressing plate (1), a shock-absorbing rubber pad (3) is fixedly connected to the middle part between the lower pressing plate (1) and the upper pressing plate (2), first shock-absorbing blocks (4) are arranged at four corners of the top of the lower pressing plate (1), wherein,

two sides of the lower pressing plate (1) close to the first damping block (4) are provided with fixed blocks (5), two sides of the first damping block (4) close to the bottom are provided with fixed grooves (6), one side of the fixed block (5) close to the fixed grooves (6) is fixedly provided with a fixed rod (7), the bottom of the lower pressing plate (1) close to the fixed block (5) is provided with a sliding groove (8), one side of the fixed block (5) close to the sliding groove (8) is fixedly provided with a sliding block (9), a screw rod (10) penetrates through the inside of the sliding groove (8), and the inside of the first damping block (4) is provided with a spring groove (11);

first snubber block (4) are close to top intercommunication in spring groove (11) has regulating lever groove (12), damping spring (13) are located the inside in spring groove (11), the top of damping spring (13) is connected with spring baffle (14), threaded groove (15) have been run through at the middle part of spring baffle (14), the internal connection of threaded groove (15) has regulation pole (16), the inside that regulating lever groove (12) was run through to the one end that spring baffle (14) were kept away from in regulation pole (16) extends to the outside, the top of adjusting pole (16) is rotated and is connected with second snubber block (17), constant head tank (18) have been seted up to one side that top board (2) are close to second snubber block (17), one side that second snubber block (17) are close to constant head tank (18) is fixed with locating piece (19).

2. The bridge multistage damping support according to claim 1, characterized in that: the fixing rod (7) is a cylinder, and the fixing rod (7) and the fixing groove (6) form a clamping structure.

3. The bridge multistage damping support according to claim 1, characterized in that: the sliding groove (8) and the sliding block (9) are T-shaped, and the sliding groove (8) and the sliding block (9) form a sliding structure.

4. The bridge multistage damping support according to claim 1, characterized in that: the screw rod (10) is provided with two sections of external threads, the two sections of external threads of the screw rod (10) are respectively positioned in the sliding grooves (8) on the two sides, and the grains of the two sections of external threads of the screw rod (10) are opposite.

5. The bridge multistage damping support according to claim 1, characterized in that: the spring groove (11) and the spring baffle (14) are rectangular in cross section, and the spring baffle (14) is elastically connected with the first damping block (4) through the damping spring (13).

6. The bridge multistage damping support according to claim 1, characterized in that: the adjusting rod (16) is in threaded connection with the spring baffle (14) through external threads, and the outer diameter of the adjusting rod (16) is smaller than the inner diameter of the damping spring (13).