CN212688683U

CN212688683U - Bridge anti-seismic support

Info

Publication number: CN212688683U
Application number: CN202020969027.2U
Authority: CN
Inventors: 张亮亮; 李锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-03-12
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a bridge anti-seismic support belongs to bridge building technical field, including lower bedplate, the top of bedplate is provided with first guard shield down, the top at bedplate is down established to first guard shield cover, be provided with elevating system down between bedplate and the first guard shield, the intermediate position department at first guard shield top is fixed with well bedplate. The utility model discloses fixing base and first guard shield, the setting of first spring and second spring between the second guard shield, can take place the in-process that shakes the friction at fixing base and well base plate, one side position department at the gliding, utilize first spring to apply ascending elasticity to the fixing base, ascending pulling force is applyed to the second spring, and one side position department of raising upward, utilize first spring to apply decurrent pulling force to the fixing base, decurrent elasticity is applyed to the second spring, the effectual effort that receives when offsetting the fixing base position change, reduce the wearing and tearing that spherical surface tetrafluoroethylene board received, the service life of device has been improved.

Description

Bridge anti-seismic support

Technical Field

The utility model relates to a support especially relates to a bridge anti-seismic support, belongs to bridge building technical field.

Background

Bridge beam supports is the important part of connecting bridge superstructure and lower part mechanism, he except can transmitting bridge superstructure's counter-force for the lower part mechanism of bridge, still can satisfy the displacement and the corner deformation of bridge, current bridge anti-seismic support adopts the tetrafluoroethylene board as the friction plate to use more, nevertheless because the tetrafluoroethylene board has the friction limit in the use, can't reduce the tetrafluoroethylene board friction loss at last under bearing rotation in-process in traditional anti-seismic support use, the life of device has been reduced, and because anti-seismic support has certain life, traditional anti-seismic support is changing comparatively inconvenient with the in-process of dismantling, therefore, the utility model provides a bridge beam supports is in order to solve the antidetonation problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a bridge antidetonation support to solve the unable loss that reduces the tetrafluoroethylene board among the prior art and change the inconvenient problem of installation.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a bridge anti-seismic support, includes bedplate down, the top of bedplate is provided with first guard shield down, the top of bedplate is established down to first guard shield cover, be provided with elevating system down between bedplate and the first guard shield, the intermediate position department at first guard shield top is fixed with well bedplate, and the top of well bedplate is provided with sphere tetrafluoroethylene board, the top of sphere tetrafluoroethylene board is provided with the fixing base, and the bottom of fixing base set up with sphere tetrafluoroethylene board complex arc wall, the bottom in the fixing base outside evenly is fixed with first spring, and the bottom and the first guard shield fixed connection of first spring, the outside at first guard shield top is fixed with the second guard shield, be fixed with the second spring between the outside of fixing base and the second guard shield, the top of fixing base is fixed with the bedplate.

Preferably: elevating system includes mounting groove, big bevel gear and regulating block, the mounting groove is located the intermediate position department at bedplate top down, big bevel gear is installed in the inside rotation of mounting groove, big bevel gear's bottom meshing has little bevel gear, the regulating block is located the outside of bedplate down, the regulating block passes through the connecting rod and is connected with little bevel gear, the thread groove has been seted up at big bevel gear's top, big bevel gear's top meshing has the slider, the bottom of first guard shield seted up with slider complex spacing groove.

Preferably: the slider is provided with four groups, and the distance between the adjacent slider is the same.

Preferably: the outer side of the adjusting block is evenly provided with anti-skid lines.

Preferably: the outer sides of the lower seat plate and the upper seat plate are evenly provided with mounting holes.

Preferably: the outer sides of the lower seat plate, the first shield, the second shield and the upper seat plate are coated with corrosion-resistant coatings.

The utility model has the advantages that:

the utility model provides a bridge anti-seismic support, the arrangement of a first spring and a second spring between a fixed seat and a first shield and a second shield can utilize the first spring to exert upward elasticity on the fixed seat at one side position of the lower slide, the second spring exerts upward pulling force, and at one side position of the upper slide, the first spring exerts downward pulling force on the fixed seat, the second spring exerts downward elasticity, the acting force received when the position of the fixed seat is changed is effectively offset, the abrasion received by a spherical tetrafluoroethylene plate is reduced, the service life of the device is prolonged, the arrangement of a lifting mechanism between the lower seat and the first shield drives the rotation of a large bevel gear through a small bevel gear, and the spiral groove at the top of the large bevel gear is meshed with a sliding block, the sliding block can be driven to slide in the limiting groove, go up and down the device, conveniently dismantle and install the device, it is more convenient to use.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is an elevator diagram according to the present invention.

In the figure: 1. a lower seat plate; 2. a first shield; 3. a lifting mechanism; 4. a middle seat plate; 5. spherical tetrafluoroethylene sheets; 6. a fixed seat; 7. an arc-shaped slot; 8. a first spring; 9. a second shield; 10. a second spring; 11. an upper seat plate; 12. mounting grooves; 13. a large bevel gear; 14. a bevel pinion gear; 15. an adjusting block; 16. a slider; 17. a limiting groove.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-3, the embodiment provides an anti-seismic bridge support, which includes a lower seat plate 1, a first protective cover 2 is disposed on a top of the lower seat plate 1, the first protective cover 2 is sleeved on the top of the lower seat plate 1, a lifting mechanism 3 is disposed between the lower seat plate 1 and the first protective cover 2, a middle seat plate 4 is fixed at a middle position of the top of the first protective cover 2, a spherical tetrafluoroethylene plate 5 is disposed on a top of the middle seat plate 4, a fixed seat 6 is disposed on a top of the spherical tetrafluoroethylene plate 5, an arc-shaped groove 7 matched with the spherical tetrafluoroethylene plate 5 is disposed at a bottom of the fixed seat 6, first springs 8 are uniformly fixed at a bottom of an outer side of the fixed seat 6, the bottom of the first springs 8 is fixedly connected with the first protective cover 2, a second protective cover 9 is fixed at an outer side of the top of the first protective cover 2, and a second spring 10 is fixed between the outer side of the fixed, an upper seat plate 11 is fixed on the top of the fixed seat 6.

In this embodiment, as shown in fig. 3, the lifting mechanism 3 includes an installation groove 12, a large bevel gear 13 and an adjustment block 15, the installation groove 12 is located at a middle position of the top of the lower seat plate 1, the large bevel gear 13 is rotatably installed inside the installation groove 12, the small bevel gear 14 is engaged with the bottom of the large bevel gear 13, the adjustment block 15 is located outside the lower seat plate 1, the adjustment block 15 is connected with the small bevel gear 14 through a connecting rod, a thread groove is formed in the top of the large bevel gear 13, a sliding block 16 is engaged with the top of the large bevel gear 13, a limit groove 17 matched with the sliding block 16 is formed in the bottom of the first shield 2, the small bevel gear 14 is driven to rotate by rotating the adjustment block 15, the small bevel gear 14 drives the large bevel gear 13 to rotate, because the bottom of the sliding block 16 is engaged with the spiral thread at the bottom of the large bevel gear 13, and the limit effect of the sliding block 16 is achieved through, the slide block 16 is driven to move, and the lifting of the device is controlled.

In the embodiment, as shown in fig. 3, four sets of sliders 16 are provided, and the distances between adjacent sliders 16 are the same, so that the stability of the device during lifting is improved.

In this embodiment, as shown in fig. 2, the outer side of the adjusting block 15 is uniformly provided with anti-slip threads, so that the adjusting block 15 can be conveniently rotated.

In the present embodiment, as shown in fig. 1, mounting holes are uniformly opened on the outer sides of the lower seat plate 1 and the upper seat plate 11, so as to facilitate mounting and fixing the device.

In the present embodiment, as shown in fig. 1, the outer sides of the lower seat plate 1, the first shroud 2, the second shroud 9 and the upper seat plate 11 are coated with corrosion-resistant coatings, which improves the corrosion-resistant effect of the device, thereby increasing the service life of the device.

As shown in fig. 1 to 3, the present embodiment provides an operation process of an anti-seismic bridge support, which is as follows:

step 1: the device is arranged between a bridge and a pier, when vibration occurs between the bridge and the pier in the using process, friction occurs between the fixed seat 6 and the middle seat plate 4, the fixed seat 6 inclines, the first spring 8 is utilized to apply upward elastic force to the fixed seat 6 at the position of one side of the downward sliding, the second spring 10 is utilized to apply upward tensile force, the first spring 8 is utilized to apply downward tensile force to the fixed seat 6 at the position of one side of the upward sliding, the second spring 10 is utilized to apply downward elastic force, the acting force applied when the position of the fixed seat changes is effectively counteracted, and the abrasion applied to the spherical tetrafluoroethylene plate 5 is reduced;

step 2: the long-time use, when the device needs to be changed, utilize support equipment to support the bridge, then not hard up bolt on bedplate 1 and the last bedplate 11 down, then rotate bevel pinion 14, bevel pinion 14 drives bevel pinion 13 and rotates, because the spiral line meshing of the bottom of slider 16 and bevel pinion 13 bottom, and through the spacing effect of spacing groove 17 to slider 16, consequently bevel pinion 13's rotation drives the removal of slider 16, slide slider 16 to the inside of spacing groove 17, controlling means's high decline, then will adorn and take out, after dismantling, place brand-new device between bridge and the pier, then rotate bevel pinion 14 adjusting device's height and install fixedly.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. The utility model provides a bridge antidetonation support which characterized in that: comprises a lower seat plate (1), a first protective cover (2) is arranged at the top of the lower seat plate (1), the first protective cover (2) is sleeved at the top of the lower seat plate (1), a lifting mechanism (3) is arranged between the lower seat plate (1) and the first protective cover (2), a middle seat plate (4) is fixed at the middle position of the top of the first protective cover (2), a spherical tetrafluoroethylene plate (5) is arranged at the top of the middle seat plate (4), a fixed seat (6) is arranged at the top of the spherical tetrafluoroethylene plate (5), an arc-shaped groove (7) matched with the spherical tetrafluoroethylene plate (5) is arranged at the bottom of the fixed seat (6), first springs (8) are uniformly fixed at the bottom of the outer side of the fixed seat (6), the bottom of the first springs (8) is fixedly connected with the first protective cover (2), and a second protective cover (9) is fixed at the outer side of the top of the first protective cover (2), a second spring (10) is fixed between the outer side of the fixed seat (6) and the second shield (9), and an upper seat plate (11) is fixed at the top of the fixed seat (6).

2. An anti-seismic bridge support according to claim 1, wherein: elevating system (3) are including mounting groove (12), big bevel gear (13) and regulating block (15), mounting groove (12) are located the intermediate position department at bedplate (1) top down, big bevel gear (13) are installed in the inside rotation of mounting groove (12), the bottom meshing of big bevel gear (13) has bevel pinion (14), regulating block (15) are located the outside of bedplate (1) down, regulating block (15) are connected with bevel pinion (14) through the connecting rod, the thread groove has been seted up at the top of big bevel gear (13), the top meshing of bevel pinion (13) has slider (16), spacing groove (17) with slider (16) complex have been seted up to the bottom of first guard shield (2).

3. An earthquake-resistant bridge support as claimed in claim 2, wherein: the four groups of sliding blocks (16) are arranged, and the distances between the adjacent sliding blocks (16) are the same.

4. An earthquake-resistant bridge support as claimed in claim 2, wherein: the outer side of the adjusting block (15) is uniformly provided with anti-skid grains.

5. An anti-seismic bridge support according to claim 1, wherein: the outer sides of the lower seat plate (1) and the upper seat plate (11) are uniformly provided with mounting holes.

6. An anti-seismic bridge support according to claim 1, wherein: the outer sides of the lower seat plate (1), the first shield (2), the second shield (9) and the upper seat plate (11) are coated with corrosion-resistant coatings.