CN217974026U

CN217974026U - Bridge structure damping device

Info

Publication number: CN217974026U
Application number: CN202222129923.XU
Authority: CN
Inventors: 黄晓铨; 郄磊堂; 陈冠华
Original assignee: Fuzhou Planning And Design Institute Group Co ltd
Current assignee: Fuzhou Planning And Design Institute Group Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-12-06
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a bridge structures damping device, the on-line screen storage device comprises a base, the top of base is provided with the dustcoat, be provided with contact structure in the dustcoat, including the ejector pin in the contact structure, the sill bar, the baffle, two sets of spring structure, the baffle activity sets up in the dustcoat, the baffle opposition is provided with two sets ofly, and the middle part card of two sets of baffles is established and is fixed with the sill bar, the top of sill bar is fixed with the ejector pin, the bottom and the supplementary buffer structure of sill bar are fixed, including the outer wall in the supplementary buffer structure, the piston rod, the oil storage storehouse, check piston valve and damping valve, the inside cover of outer wall is equipped with the inner tube structure, the year thing on top is when pushing down, the piston rod moves down, extrude the inside hydraulic oil of working chamber from the damping valve, and flow back to in the oil storage storehouse, and then squeeze into the working chamber with the inside gas of inflatable chamber, maintain atmospheric pressure balance, and the damping valve can control the steady outflow of hydraulic oil, and then stabilize the speed that moves down of piston rod, avoid too fast removal, higher damping effect is provided.

Description

Bridge structures damping device

Technical Field

The utility model relates to a bridge damping device field especially relates to a bridge structures damping device.

Background

The bridge support is erected on the pier, and the top surface of the bridge support supports the upper structure of the bridge. Its function is to fix the superstructure to the abutment, to withstand the various forces acting on the superstructure and to transmit it reliably to the abutment; under the action of load, temperature, concrete shrinkage and creep, the support can adapt to the corner and displacement of the superstructure, so that the superstructure can be freely deformed without generating additional internal force. The existing bridge support is mainly a plate type rubber support, the support of the type has enough vertical rigidity to bear vertical load but cannot realize the damping effect, and is not suitable for bridges with large and medium spans.

There is a need to develop a bridge support with damping effect, which is suitable for bridges with large and medium spans. The bridge support bears the load and simultaneously reduces the vibration of the bridge, so that the upper structure can be freely deformed without generating additional internal force.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a bridge structures damping device, contact structure through setting up, the user is after finishing this device installation, can carry out the thread tightening with ejector pin and sill bar, and then when pushing down on the top, the ejector pin pushes down through the sill bar, and drive two sets of springs of two sets of baffles and the drive of well plate structure of both sides, first spring is expanded, the second spring shrink, play the effect of twice buffering, act on at last on supplementary buffer structure, multiunit buffer tube structure through setting up, the year thing on top is when pushing down, the piston rod moves down, extrude the inside hydraulic oil of working chamber from the damping valve, and flow back to in the oil storage storehouse, and then will aerify the inside gaseous working chamber of storehouse, maintain atmospheric pressure balance, and the damping valve can control the steady outflow of hydraulic oil, and then stabilize the speed that moves down of piston rod, avoid too fast removal, provide higher damping effect.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a bridge structures damping device, includes the base, the top of base is provided with the dustcoat, be provided with contact structure in the dustcoat, including ejector pin, sill bar, baffle, two sets of spring structures in the contact structure, the baffle activity sets up in the dustcoat, the baffle opposition is provided with two sets ofly, and two sets of the middle part card of baffle is established and is fixed with the sill bar, the top of sill bar is fixed with the ejector pin, the bottom and the supplementary buffer structure of sill bar are fixed, including outer wall, piston rod, oil storage bin, check piston valve and damping valve in the supplementary buffer structure, the inside cover of outer wall is equipped with the inner tube structure, the bottom mounting of supplementary buffer structure has the corner structure.

As an optimal technical scheme of the utility model, spring structure includes first spring and second spring, first spring and second spring all are fixed in the outside of baffle, and two sets of the middle part of baffle is fixed with the medium plate.

As a preferred technical scheme of the utility model, top between outer wall and the inner tube structure forms the storehouse of aerifing, the bottom in storehouse of aerifing is the oil storage storehouse, and the inside cavity region of inner tube structure forms the working chamber, the piston rod runs through outer wall and inner tube structure, the hole structure has been seted up to the both sides of piston rod, and both sides hole structure is provided with check piston valve and damping valve respectively, and two sets of hole groove structures have been seted up to the bottom of inner tube structure, and the opposition side of two sets of hole groove structures is provided with check piston valve and damping valve respectively.

As a preferred technical scheme of the utility model, damping valve and one-way piston valve and oil storage bin intercommunication are passed through to the bottom of working chamber.

As a preferred technical scheme of the utility model, the screw hole structure has all been seted up in the outside four corners of base.

As a preferred technical scheme of the utility model, the ejector pin is hollow structure, just all seted up the helicitic texture on the top lateral wall of ejector pin and sill bar.

As an optimal scheme of the utility model, including tetrafluoro board and rubber among the corner structure, rubber is fixed in the top of tetrafluoro board.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

in this device, through the contact structure who sets up, the user is after finishing this device installation, can carry out the thread tightening with ejector pin and sill bar, and then when pushing down on the top, the ejector pin pushes down through the sill bar, and drive two sets of springs of two sets of baffles and the well plate structure drive of both sides, first spring is expanded, the second spring shrink, the effect of buffering twice is played, act on supplementary buffering structurally at last, through the multiunit buffer tube structure that sets up, the year thing on top is when pushing down, the piston rod moves down, extrude the inside hydraulic oil of working chamber from the damping valve, and flow back to in the oil storage bin, and then squeeze into the working chamber with the inside gas in the storehouse of aerifing, maintain atmospheric pressure balance, and the damping valve can control the stable outflow of hydraulic oil, and then stabilize the speed that moves down of piston rod, avoid too fast removal, provide higher damping effect, in supplementary buffering structure, two chambeies have been constituted between working chamber and the outer wall. The working cavity is filled with hydraulic oil, the piston rod moves in the working cavity, and an annular oil storage cavity is arranged between the working cavity and the outer wall and used for compensating volume change caused by temperature change of the piston rod and the hydraulic oil. In the compression stage, hydraulic oil extruded by the piston rod flows into the oil storage bin, and the damping valve applies certain resistance to the hydraulic oil to reduce the flowing speed of the hydraulic oil. In the rebound stage, the one-way piston valve plays a role in damping alone and applies certain resistance to hydraulic oil flowing downwards. The hydraulic oil required in the working chamber can flow back through the one-way piston valve without hindrance.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a front view of the structure of FIG. 2;

FIG. 4 is a cross-sectional view of the auxiliary buffer structure of the present invention;

fig. 5 is a schematic view of the working process structure of the middle auxiliary buffer structure of the present invention.

Wherein: 1. a base; 2. a housing; 3. a contact structure; 31. a top rod; 32. a bottom bar; 33. a middle plate; 34. a baffle plate; 35. a first spring; 36. a second spring; 4. an auxiliary buffer structure; 41. an outer wall; 42. a piston rod; 43. a working chamber; 44. an oil storage bin; 45. a one-way piston valve; 46. a damping valve; 47. an inflating bin; 5. a corner structure; 51. a tetrafluoro plate; 52. a rubber plate.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-5, the utility model provides a bridge structures damping device, including base 1, base 1's top is provided with dustcoat 2, be provided with contact structure 3 in the dustcoat 2, including ejector pin 31 among the contact structure 3, the sill bar 32, baffle 34, two sets of spring structures, the activity of baffle 34 sets up in dustcoat 2, baffle 34 opposition is provided with two sets ofly, and the middle part card of two sets of baffle 34 is established and is fixed with sill bar 32, the top of sill bar 32 is fixed with ejector pin 31, the bottom and the supplementary buffer structure 4 of sill bar 32 are fixed, including outer wall 41 in the supplementary buffer structure 4, piston rod 42, oil storage bin 44, check piston valve 45 and damping valve 46, the inside cover of outer wall 41 is equipped with the inner tube structure, the bottom mounting of supplementary buffer structure 4 has corner structure 5.

In other embodiments, the spring structure includes a first spring 35 and a second spring 36, the first spring 35 and the second spring 36 are fixed on the outer side of the baffle plates 34, and the middle plates 33 are fixed on the middle portions of the two groups of baffle plates 34.

In other embodiments, an inflation chamber 47 is formed at the top end between the outer wall 41 and the inner cylinder structure, an oil storage chamber 44 is formed at the bottom end of the inflation chamber 47, a working chamber 43 is formed in a hollow area inside the inner cylinder structure, the piston rod 42 penetrates through the outer wall 41 and the inner cylinder structure, hole structures are formed on two sides of the piston rod 42, a one-way piston valve 45 and a damping valve 46 are respectively arranged on the hole structures on the two sides, two sets of hole and groove structures are formed at the bottom end of the inner cylinder structure, and the one-way piston valve 45 and the damping valve 46 are respectively arranged on opposite sides of the two sets of hole and groove structures.

Through the contact structure 3 who sets up, the user is after finishing this device installation, can carry out the thread tightening with ejector pin 31 and sill bar 32, and then when pushing down on the top, ejector pin 31 pushes down through sill bar 32, and drive two sets of springs of two sets of baffle 34 and the two sets of springs of median plate 33 structure drive of both sides, first spring 35 is expanded, second spring 36 contracts, play the effect of buffering twice, act on supplementary buffer structure 4 at last, through the multiunit buffer tube structure that sets up, the year thing on top is when pushing down, piston rod 42 moves down, extrude the inside hydraulic oil of working chamber 43 from damping valve 46, and flow back to in the oil storage storehouse 44, and then squeeze into working chamber 43 with the inside gas in the storehouse of inflating 47, maintain atmospheric pressure balance, and damping valve 46 can control the steady outflow of hydraulic oil, and then stabilize the speed that moves down of piston rod 42, avoid too fast removal, provide higher damping effect.

In other embodiments, the bottom end of the working chamber 43 is communicated with the oil storage bin 44 through a damping valve 46 and a one-way piston valve 45, and four corners of the outer side of the base 1 are all provided with a threaded hole structure.

In the auxiliary damping structure 4, two chambers are formed between the working chamber 43 and the outer wall 41. The working chamber 43 is filled with hydraulic oil and the piston rod 42 moves in the working chamber 43, and an annular oil reservoir chamber 44 is provided between the working chamber 43 and the outer wall 41 to compensate for volume changes due to temperature changes of the piston rod 42 and the hydraulic oil. In the compression stage, the hydraulic oil extruded by the piston rod 42 flows into the oil storage bin 44, and the damping valve 46 exerts certain resistance on the hydraulic oil, so that the flow speed of the hydraulic oil is reduced. In the rebound stage, the one-way piston valve 45 plays a role in damping vibration independently and applies certain resistance to hydraulic oil flowing downwards. The hydraulic oil required in the working chamber 43 can flow back through the non-return piston valve 45 without any hindrance.

Base 1 structure with the screw hole, the person of facilitating the use fixes this device and pier, improves the structural stability of bottom, avoids rocking.

In other embodiments, the top rod 31 is a hollow structure, and the top end side walls of the top rod 31 and the bottom rod 32 are both provided with a threaded structure.

The thread structure improves the effect of connecting and fixing the top rod 31 and the bottom rod 32, and avoids the sliding and shaking.

In other embodiments, the corner structure 5 comprises a tetrafluoro plate 51 and rubber 52, the rubber 52 is fixed on the top end of the tetrafluoro plate 51, and the shear deformation of the rubber 52 realizes that the device can be applied to the corner displacement of the bridge.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bridge structures damping device, includes base (1), its characterized in that: the top of base (1) is provided with dustcoat (2), be provided with contact structure (3) in dustcoat (2), including ejector pin (31), sill bar (32), baffle (34), two sets of spring structure in contact structure (3), baffle (34) activity sets up in dustcoat (2), baffle (34) opposition is provided with two sets ofly, and two sets of the middle part card of baffle (34) is established and is fixed with sill bar (32), the top of sill bar (32) is fixed with ejector pin (31), the bottom of sill bar (32) is fixed with supplementary buffer structure (4), including outer wall (41), piston rod (42), oil storage bin (44), check piston valve (45) and damping valve (46) in supplementary buffer structure (4), the inside cover of outer wall (41) is equipped with the inner tube structure, the bottom mounting of supplementary buffer structure (4) has corner structure (5).

2. The bridge structure damping device of claim 1, wherein: the spring structure comprises a first spring (35) and a second spring (36), the first spring (35) and the second spring (36) are fixed on the outer side of the baffle (34), and middle plates (33) are fixed in the middle of the two groups of the baffle (34).

3. The bridge structure damping device of claim 1, wherein: the top between outer wall (41) and the inner tube structure forms and aerifys storehouse (47), the bottom in storehouse (47) of aerifing is oil storage bin (44), and the inside hollow region of inner tube structure forms working chamber (43), outer wall (41) and inner tube structure are run through in piston rod (42), the hole structure has been seted up to the both sides of piston rod (42), and both sides hole structure is provided with check piston valve (45) and damping valve (46) respectively, and two sets of hole groove structures have been seted up to the bottom of inner tube structure, and the opposition side of two sets of hole groove structures is provided with check piston valve (45) and damping valve (46) respectively.

4. The bridge structure damping device of claim 3, wherein: the bottom end of the working cavity (43) is communicated with the oil storage bin (44) through a damping valve (46) and a one-way piston valve (45).

5. The bridge structure damping device of claim 1, wherein: threaded hole structures are formed in four outer corners of the base (1).

6. The bridge structure damping device of claim 1, wherein: the ejector rod (31) is of a hollow structure, and the top end side walls of the ejector rod (31) and the bottom rod (32) are provided with threaded structures.

7. The bridge structure damping device of claim 1, wherein: the corner structure (5) comprises a tetrafluoro plate (51) and rubber (52), and the rubber (52) is fixed to the top end of the tetrafluoro plate (51).