阅读说明：本技术 一种公路桥梁伸缩装置密封防护结构 (Public road bridge roof beam telescoping device seals protective structure ) 是由 刘中波 刘洪伟 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种公路桥梁伸缩装置密封防护结构,属于防护结构技术领域。一种公路桥梁伸缩装置密封防护结构,包括伸缩装置及设置在其内部的密封件,所述伸缩装置的内侧对称固定安装有安装壳,所述安装壳的底部设有开口,一对所述安装壳之间转动安装有驱动杆,本发明可实现对车轮驶过产生的力的缓冲,使得可降低车辆对伸缩装置产生的力,使得能对其进行保护,同时可实现对密封件表面的垃圾的清扫,使得避免垃圾堆积过多堵塞伸缩装置,影响其使用,且同时可实现对密封件上残留的积水进行抽取清理,使得可避免积水残留过多影响密封件使用,实现了对伸缩装置及其密封件的保护,值得推广及使用。(The invention discloses a sealing protection structure of a highway bridge expansion device, and belongs to the technical field of protection structures. A sealing protection structure for a road bridge expansion device comprises an expansion device and a sealing element arranged in the expansion device, wherein mounting shells are symmetrically and fixedly arranged on the inner sides of the expansion device, an opening is formed in the bottom of each mounting shell, and a driving rod is rotatably arranged between a pair of the mounting shells.)

1. The utility model provides a sealed protective structure of public road bridge roof beam telescoping device, includes telescoping device (1) and sets up sealing member (24) in its inside, its characterized in that, the inboard symmetry fixed mounting of telescoping device (1) has installation shell (2), the bottom of installation shell (2) is equipped with the opening, and is a pair of install actuating lever (3) in rotating between installation shell (2), the top fixed mounting of telescoping device (1) has a pair of first saccular member (4), the inboard symmetry of first saccular member (4) is equipped with trachea (5) rather than inside intercommunication, the lower part of trachea (5) is equipped with rather than the drive assembly that cooperates and be used for driving actuating lever (3), the outside cover of actuating lever (3) is equipped with rather than complex slider (6), the bottom fixed mounting of slider (6) has installation pole (7), the bottom of installation pole (7) is equipped with clean hair (8), and a limiting structure is arranged on the outer side of the sliding block (6).

2. The sealing and protecting structure for the road bridge expansion device according to claim 1, wherein a second bladder member (13) is arranged inside the first bladder member (4), a discharge pipe (14) and a suction pipe (16) are respectively arranged on two sides of the second bladder member (13) and are communicated with the inside of the second bladder member, one ends of the discharge pipe (14) and the suction pipe (16) far away from the second bladder member (13) extend to the outside of the first bladder member (4) through the first bladder member, a first valve body (15) and a second valve body (17) are respectively arranged inside the discharge pipe (14) and the suction pipe (16), a cavity is arranged inside the mounting rod (7), the bottom of the mounting rod (7) is communicated with the cavity, and one end of the suction pipe (16) far away from the second bladder member (13) is communicated with the mounting rod (7).

3. The sealing and protecting structure for the road bridge expansion device according to claim 2, characterized in that a filter screen (18) is fixedly installed at the bottom of the installation rod (7), a mounting plate (19) is movably installed inside the installation rod (7), a thimble (20) matched with the aperture of the filter screen (18) is arranged at the bottom of the mounting plate (19), an elastic part (22) is fixedly installed inside the installation rod (7) through a fixing plate (21), the bottom of the elastic part (22) is fixedly connected with the mounting plate (19), an extraction pipe (23) is arranged outside the installation rod (7), and two ends of the extraction pipe (23) are communicated with the inside of the installation rod (7).

4. The sealing and protecting structure for the road bridge expansion device according to claim 1, wherein the driving assembly comprises a carrier plate (25), the carrier plate (25) is symmetrically and fixedly installed on the inner side of the expansion device (1), a blow pipe (9) is fixedly installed inside the carrier plate (25), the top end of the blow pipe (9) is communicated with an air pipe (5), the bottom end of the blow pipe (9) extends to the inside of the installation shell (2), and a driving plate (10) corresponding to the position of the blow pipe (9) is fixedly installed around the outside of the driving rod (3) at equal intervals.

5. The sealing and protecting structure for the road bridge expansion device according to claim 1, wherein the limiting structure comprises a limiting rod (11), the limiting rod (11) is fixedly installed between the pair of installation shells (2), a limiting block (12) is sleeved outside the limiting rod (11), and the limiting block (12) is fixedly connected with the sliding block (6).

6. A road bridge expansion device seal protection structure according to claim 1, characterized in that the driving rod (3) is specifically configured as a reciprocating screw rod member.

7. A road bridge expansion device sealing and protection structure according to claim 2, characterized in that the first bladder member (4) and the second bladder member (13) are specifically provided as air bag members made of rubber.

8. A road bridge expansion device sealing and protection structure according to claim 2, characterized in that the first valve body (15) and the second valve body (17) are specifically provided as one-way valve members.

Technical Field

The invention relates to the technical field of protective structures, in particular to a sealing protective structure of a telescopic device of a highway bridge.

Background

The expansion device is defined according to JT/T327-2004 document of traffic department, and refers to a general name of various devices composed of rubber, steel and other members and arranged at the expansion joint of the bridge for enabling vehicles to stably pass through the bridge floor and meeting the requirement of deformation of the upper structure of the bridge.

The prior telescopic device is used, when a wheel drives over the telescopic device, large pressure can be caused to the wheel when the wheel drives over the telescopic device, the wheel can be damaged for a long time, a sealing rubber piece arranged in the telescopic device is used for a long time, a large amount of garbage can be arranged on the surface of the sealing rubber piece, the garbage can be excessively blocked to influence the use of the telescopic device, meanwhile, after the wheel is rainy, more rainwater can be remained on the sealing rubber piece to form accumulated water, the accumulated water can be remained on the sealing rubber piece for a long time to cause the local dropping and other adverse conditions, the service life of the wheel is influenced for a long time, and therefore the sealing protection structure of the telescopic device for the highway bridge is provided for solving the problems.

Disclosure of Invention

The invention aims to solve the problems that when the telescopic device in the prior art is used, the telescopic device is damaged due to excessive pressure, and garbage and accumulated water are accumulated on an internal sealing element of the telescopic device, and provides a sealing protection structure of a telescopic device of a highway bridge.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a sealed protective structure of public road bridge roof beam telescoping device, includes telescoping device and sets up the sealing member in its inside, the inboard symmetry fixed mounting of telescoping device has the installation shell, the bottom of installation shell is equipped with the opening, and is a pair of rotate between the installation shell and install the actuating lever, the top fixed mounting of telescoping device has a pair of first saccular member, the inboard symmetry of first saccular member is equipped with the trachea rather than inside intercommunication, tracheal lower part is equipped with the drive assembly who is used for driving the actuating lever rather than the cooperation, the outside cover of actuating lever is equipped with rather than the complex slider, the bottom fixed mounting of slider has the installation pole, the bottom of installation pole is equipped with clean hair, the outside of slider is equipped with limit structure.

In order to remove residual rainwater in the sealing element, preferably, a second bladder member is arranged inside the first bladder member, a discharge pipe and a suction pipe which are communicated with the inside of the second bladder member are respectively arranged on two sides of the second bladder member, one end of the discharge pipe and one end of the suction pipe, which are far away from the second bladder member, extend to the outside of the second bladder member through the first bladder member, a first valve body and a second valve body are respectively arranged inside the discharge pipe and the suction pipe, a cavity is arranged inside the mounting rod, the bottom of the mounting rod is communicated with the cavity, and one end of the suction pipe, which is far away from the second bladder member, is communicated with the mounting rod.

In order to filter the impurity of remaining rainwater in the sealing member, preferably, the bottom fixed mounting of installation pole has the filter screen, the inside movable mounting of installation pole has the mounting panel, the bottom of mounting panel is equipped with the thimble that matches with the filter screen aperture, there is the elastic component in the inside of installation pole through fixed plate fixed mounting, the bottom and the mounting panel fixed connection of elastic component, the outside of installation pole is equipped with the extraction pipe, the both ends of extraction pipe all with the inside intercommunication of installation pole.

In order to drive the driving rod to rotate, preferably, the driving assembly comprises a carrier plate, the carrier plate is symmetrically and fixedly mounted on the inner side of the telescopic device, a blow pipe is fixedly mounted inside the carrier plate, the top end of the blow pipe is communicated with an air pipe, the bottom end of the blow pipe extends into the mounting shell, and a driving plate corresponding to the position of the blow pipe is fixedly mounted on the outer portion of the driving rod in an equidistant surrounding mode.

In order to carry out spacing its rotation of avoiding to the slider, preferably, limit structure includes the gag lever post, gag lever post fixed mounting is between a pair of installation shell, the outside cover of gag lever post is equipped with the stopper, stopper and slider fixed connection.

In order to be able to bring about a reciprocating movement of the slider when the drive lever is rotated, the drive lever is preferably embodied as a reciprocating screw member.

In order to protect the expansion device, it is preferable that the first bladder member and the second bladder member are specifically provided as airbag members made of rubber.

In order to prevent backflow of the pumped water, the first and second valve bodies are preferably provided as one-way valve members.

Compared with the prior art, the invention provides a sealing protection structure of a highway bridge expansion device, which has the following beneficial effects:

1. the sealing protection structure of the highway bridge expansion device can buffer the force generated by the driving of wheels through the first bladder member and the second bladder member so as to realize the protection of the expansion device;

2. according to the sealing protection structure for the highway bridge expansion device, the garbage accumulated on the sealing piece can be cleaned through the matching of the first bladder-shaped member, the air pipe, the blow pipe, the driving plate, the driving rod, the sliding block, the mounting rod and the cleaning bristles, so that the cleaning of the sealing piece is realized, and the phenomenon that the expansion device is blocked due to excessive garbage accumulation to influence the use of the expansion device is avoided;

3. according to the sealing protection structure of the highway bridge expansion device, the second bladder-shaped member, the discharge pipe, the first valve body, the suction pipe, the second valve body and the mounting rod are matched to extract and clean accumulated water remained on the sealing element, so that the phenomenon that the accumulated water is remained too much to influence the use of the sealing element can be avoided;

4. this public road bridge roof beam telescoping device seals protective structure can realize the filtration to the ponding of extraction through the filter screen, can avoid impurity to enter into the installation pole in, make through the cooperation of elastic component, mounting panel, thimble can dredge the impurity that blocks up in the filter screen hole when stopping the extraction, guarantee its normal use.

The invention can buffer the force generated by the driving of the wheels, can reduce the force generated by the vehicle on the telescopic device, can protect the telescopic device, can clean the garbage on the surface of the sealing element, can prevent the garbage from being accumulated too much to block the telescopic device and influence the use of the telescopic device, can extract and clean the accumulated water remained on the sealing element, can prevent the accumulated water from remaining too much to influence the use of the sealing element, can protect the telescopic device and the sealing element thereof, and is worthy of popularization and use.

Drawings

FIG. 1 is a schematic structural view of a sealing protection structure of a highway bridge expansion device according to the present invention;

FIG. 2 is a schematic sectional view of a sealing protection structure for a road bridge expansion device according to the present invention;

FIG. 3 is a schematic top view of a sealing protection structure for a road bridge expansion device according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at A;

FIG. 5 is a schematic view of the bottom structure of the mounting rod according to the present invention;

fig. 6 is an enlarged schematic structural diagram of B in fig. 1 according to the present invention.

In the figure: 1. a telescoping device; 2. mounting a shell; 3. a drive rod; 4. a first bladder member; 5. an air tube; 6. a slider; 7. mounting a rod; 8. cleaning the hair; 9. blowing a pipe; 10. a drive plate; 11. a limiting rod; 12. a limiting block; 13. a second bladder member; 14. a discharge pipe; 15. a first valve body; 16. a suction tube; 17. a second valve body; 18. filtering with a screen; 19. mounting a plate; 20. a thimble; 21. a fixing plate; 22. an elastic member; 23. an extraction pipe; 24. a seal member; 25. and a carrier plate.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, a sealing protection structure for a road bridge expansion device comprises an expansion device 1 and a sealing member 24 arranged inside the expansion device 1, wherein mounting shells 2 are symmetrically and fixedly arranged on the inner sides of the expansion device 1, an opening is formed in the bottom of the mounting shells 2, a driving rod 3 is rotatably arranged between the pair of mounting shells 2, a pair of first bladder-shaped members 4 are fixedly arranged on the top of the expansion device 1, air pipes 5 communicated with the inner sides of the first bladder-shaped members 4 are symmetrically arranged on the inner sides of the first bladder-shaped members 4, a driving assembly matched with the air pipes 5 and used for driving the driving rod 3 is arranged on the lower portion of the air pipes 5, the driving assembly comprises a carrier plate 25, the carrier plate 25 is symmetrically and fixedly arranged on the inner side of the expansion device 1, a blow pipe 9 is fixedly arranged inside the carrier plate 25, the top end of the blow pipe 9 is communicated with the air pipes 5, the bottom end of the blow pipe 9 extends into the mounting shells 2, a driving plate 10 corresponding to the position of the blow pipe 9 is fixedly arranged on the outer portion of the driving rod 3 in an equidistant mode, when the first bladder member 4 is pressed, the air inside is exhausted outwards, and the air enters the blow pipe 9 through the air pipe 5 and blows out, so that the driving plate 10 is blown to drive the driving rod 3 to rotate, and the driving rod is driven.

The outside cover of actuating lever 3 is equipped with rather than the slider 6 of complex, and actuating lever 3 specifically sets up to reciprocal lead screw component for can drive slider 6 along its surperficial reciprocating motion when actuating lever 3 rotates.

The bottom of the sliding block 6 is fixedly provided with the mounting rod 7, the second bladder member 13 is arranged inside the first bladder member 4, the first bladder member 4 and the second bladder member 13 are specifically made of rubber air bag members, when a wheel passes through the first bladder member 4, the wheel can be extruded to descend, so that the air in the wheel is discharged outwards, meanwhile, the second bladder member 13 can be extruded to exhaust the air, and the force applied to the wheel can be buffered through the matching of the first bladder member 4, the second bladder member 13 and the air in the second bladder member, so that the telescopic device 1 can be well protected.

A discharge pipe 14 and a suction pipe 16 communicated with the inside of the second bladder member 13 are respectively arranged at two sides of the second bladder member 13, one ends of the discharge pipe 14 and the suction pipe 16 far away from the second bladder member 13 extend to the outside of the second bladder member through the first bladder member 4, a first valve body 15 and a second valve body 17 are respectively arranged in the discharge pipe 14 and the suction pipe 16, the first valve body 15 and the second valve body 17 are specifically provided with one-way valve members, when the second bladder member 13 is extruded, the first valve body 15 is deformed to discharge water and air in the second bladder member to the outside, the first valve body 15 is opened, the second valve body 17 is closed, the water and air in the second bladder member are discharged through the discharge pipe 14, when the extrusion of the second bladder member 13 disappears, the deformation is recovered to suck air into the second bladder member, the first valve body 15 is closed, the second valve body 17 is opened, and the water existing at the bottom of the mounting rod 7 is sucked into the second bladder member through the suction pipe 16 to enter the second bladder member 13 so as to realize the accumulated water remaining in the sealing member 24 So that damage to the seal 24 due to long residual water can be avoided.

The inside of installation pole 7 is equipped with the cavity, and the bottom of installation pole 7 communicates with the cavity, and the one end that the suction tube 16 is kept away from second bladder component 13 communicates with installation pole 7 for second bladder component 13 can draw the ponding of installation pole 7 bottom through suction tube 16.

A filter screen 18 is fixedly installed at the bottom of the installation rod 7, an installation plate 19 is movably installed inside the installation rod 7, a thimble 20 matched with the aperture of the filter screen 18 is arranged at the bottom of the installation plate 19, an elastic piece 22 is fixedly installed inside the installation rod 7 through a fixing plate 21, the elastic piece 22 is set as a spring, the bottom of the elastic piece 22 is fixedly connected with the installation plate 19, an extraction pipe 23 is arranged outside the installation rod 7, two ends of the extraction pipe 23 are both communicated with the inside of the installation rod 7, the installation plate 19 is matched with the cavity of the installation rod 7, when the second capsule-shaped member 13 recovers deformation and inhales air, the installation plate 19 is sucked up to enable the installation plate 19 to lift up to drive the thimble 20 to leave the mesh of the filter screen 18, the shielded extraction pipe 23 is opened along with the lifting of the installation plate 19, at the time, water passes through the installation rod 7, the extraction pipe 23 and the suction pipe 16 after being filtered out impurities by the filter screen 18 and then enters the second capsule-shaped member 13, the pumping of realization to ponding, along with the continuation of second saccular member 13 resumes to make continuous bleeding for mounting panel 19 continuously rises and compresses elastic component 22 and make its deformation produce the effort, and after second saccular member 13 thoroughly resumes, stop bleeding this moment, elastic component 22 release effort drives mounting panel 19 and thimble 20 decline this moment and makes and get into the downthehole impurity that makes its downthehole jam to its mediation, thereby can avoid its jam.

The bottom of installation pole 7 is equipped with clean hair 8, and the outside of slider 6 is equipped with limit structure, and limit structure includes gag lever post 11, and 11 fixed mounting of gag lever post are between a pair of installation shell 2, and the outside cover of gag lever post 11 is equipped with stopper 12, stopper 12 and 6 fixed connection of slider, and the cooperation through stopper 12 and gag lever post 11 makes can carry out spacingly to slider 6, avoids it to rotate and makes it only can follow 3 reciprocating motion in surface of actuating lever.

When the garbage cleaning device is used, an automobile drives the first bladder-shaped member 4 to extrude the first bladder-shaped member to deform so as to discharge the air in the automobile outwards, the air enters the air pipe 5 and is blown out through the blowing pipe 9, the air is blown out through the blowing pipe 9 and then impacts the driving plate 10 to drive the driving rod 3 to rotate, the driving rod 3 drives the sliding block 6 to reciprocate along the surface of the driving rod 3, the sliding block 6 can drive the connecting mounting rod 7 to reciprocate along with the reciprocating motion of the sliding block 6, the mounting rod 7 can drive the cleaning bristles 8 to reciprocate along with the reciprocating motion of the mounting rod 7, so that the cleaning bristles 8 can reciprocate along the surface of the sealing element 24 to sweep the garbage in the sealing element 24 to two ends, the garbage falls out and leaves the sealing element 24, and the garbage on the sealing element 24 can be prevented from being blocked between the telescopic devices 1 due to excessive garbage, the situation influencing the work of the telescopic device occurs, the garbage on the sealing piece 24 is cleaned, meanwhile, when the first saccular member 4 is pressed, the second saccular member 13 is also pressed, the force generated by the driving of the wheel can be buffered through the elastic force of the first saccular member 4 and the second saccular member 13 and the air in the first saccular member 4 and the second saccular member 13, so that the telescopic device 1 can be well protected, when the second saccular member 13 is pressed, the water and the air in the second saccular member are discharged outwards, the first valve body 15 is opened, the second valve body 17 is closed, the water and the air in the second saccular member are discharged through the discharge pipe 14, when the wheel is driven away, the first saccular member 4 and the second saccular member 13 recover the deformation and release the acting force, the first saccular member 4 releases the acting force and sucks air in the first saccular member 4 through the air pipe 5 and the blow pipe 9, the air in the first saccular member 4 can be supplemented, when the second saccular member 13 recovers the deformation, at the moment, air is sucked into the first valve body 15, the second valve body 17 is closed, the mounting plate 19 is sucked up, the mounting plate rises to drive the ejector pins 20 to leave the meshes of the filter screen 18, the shielded extraction pipes 23 are opened along with the rising of the mounting plate 19, water enters the second saccular member 13 through the mounting rod 7, the extraction pipes 23 and the suction pipe 16 after impurities are filtered by the filter screen 18, the accumulated water is extracted, the accumulated water on the sealing member 24 can be cleaned more thoroughly by matching with the movement of the mounting rod 7, the accumulated water is prevented from being remained on the sealing member 24 to influence the sealing member 24, the accumulated water is protected, the air is continuously sucked along with the continuous recovery of the second saccular member 13, the mounting plate 19 continuously rises to compress the elastic member 22 to deform the elastic member to generate acting force, and the air suction is stopped after the second saccular member 13 is completely recovered, at this time, the elastic element 22 releases the acting force to drive the mounting plate 19 and the thimble 20 to descend so as to enter the hole of the filter screen 18 to dredge the impurities blocked in the hole, thereby avoiding the blockage.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.