CN211171600U - Road bridge expansion joint cover plate - Google Patents
Road bridge expansion joint cover plate Download PDFInfo
- Publication number
- CN211171600U CN211171600U CN201922006594.8U CN201922006594U CN211171600U CN 211171600 U CN211171600 U CN 211171600U CN 201922006594 U CN201922006594 U CN 201922006594U CN 211171600 U CN211171600 U CN 211171600U
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- CN
- China
- Prior art keywords
- plate
- expansion joint
- frame body
- buffer block
- side walls
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a public road bridge roof beam expansion joint cover, include: the connecting frame comprises a frame body with an H-shaped longitudinal section; two side walls of the lower opening of the frame body are connected to two side walls of the expansion joint through connecting bolts; the middle plate of the H-shaped frame body is an elastic arc-shaped plate with a high central point and two gradually-lowered ends; the buffer block comprises a lower buffer block filled in the lower opening of the frame body and an upper buffer block filled in the upper opening of the frame body; a plurality of through holes longitudinally penetrating through the upper buffer block are uniformly formed in the upper buffer block; the top plate is buckled on the upper buffer block; the inner surface of the top plate is respectively abutted against two edges of the upper opening of the frame body, and the edges of the two ends of the top plate are respectively lapped above the expansion joint; and the supporting spring is fixedly connected with the arc-shaped plate at the bottom end, and the top end of the supporting spring is arranged in the through hole in a penetrating manner in a fixed connection manner with the top plate. The novel bearing is simple in structure, easy to process, excellent in bearing capacity and pressure resistance and suitable for large-scale popularization and use.
Description
Technical Field
The utility model relates to a public road bridge roof beam building technical field, in particular to public road bridge roof beam expansion joint cover plate.
Background
In the prior art, expansion joints are required to be arranged in the construction of bridges and pavements, expansion devices or sealing devices are required to be arranged in the expansion joints, and then cover plates are covered on the surfaces of the expansion joints so as to protect the expansion devices or the sealing devices and ensure the stable running of vehicles. Various cover plates are available on the market, but the following problems are common in the existing bridge expansion joint cover plates:
1. the holistic bearing capacity of simple structure's ordinary apron is poor with compressive property, and in the use, the apron receives external pressure, like the vehicle through the pressure of the vehicle that receives to and with the wheel wear, cause the apron rupture easily or break, make apron life low, and influence the vehicle and steadily travel.
2. Although bearing capacity and compressive property have big improvement, the structure is complicated for the apron that the structure is complicated, and manufacturing cost improves by a wide margin, is unfavorable for using widely.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses still another purpose provides a public road bridge roof beam expansion joint cover, simple structure workable, and bearing capacity and compressive property are outstanding, suitable extensive using widely.
In order to realize the basis the utility model discloses a these objects and other advantages provide a public road bridge roof beam expansion joint cover, include:
the connecting frame comprises a frame body with an H-shaped longitudinal section; two side walls of the lower opening of the frame body are connected to two side walls of the expansion joint through connecting bolts; the middle plate of the H-shaped frame body is an elastic arc-shaped plate with a high central point and two gradually-lowered ends;
the buffer block comprises a lower buffer block filled in the lower opening of the frame body and an upper buffer block filled in the upper opening of the frame body; a plurality of through holes longitudinally penetrating through the upper buffer block are uniformly formed in the upper buffer block;
the top plate is buckled on the upper buffer block; the inner surface of the top plate is respectively abutted against two edges of the upper opening of the frame body, and the edges of the two ends of the top plate are respectively lapped above the expansion joint;
and the supporting spring is fixedly connected with the arc-shaped plate at the bottom end, and the top end of the supporting spring is fixedly connected with the top plate and penetrates through the through hole.
Preferably, in the highway bridge expansion joint cover plate, the side wall of the frame body consists of a first plate body and a second plate body; the bottom end of the first plate body and the top end of the second plate body are respectively connected with the end part of the arc-shaped plate; the top of the first plate body and the bottom of the second plate body respectively extend upwards towards the direction slope of keeping away from the arc-shaped plate, and all with the lateral wall counterbalance of expansion joint.
Preferably, in the road bridge expansion joint cover plate, the length of the first plate body is at least 2 times that of the second plate body.
Preferably, in the road bridge expansion joint cover plate, the top plate is an arch plate with an upward convex upper surface.
Preferably, in the road bridge expansion joint cover plate, the radian of the arch plate is smaller than that of the arc plate.
Preferably, in the road bridge expansion joint cover plate, the natural length of the supporting spring is matched with the length of the through hole.
Preferably, in the highway bridge expansion joint cover plate, two side walls of the upper opening of the frame body are also connected with two side walls of the expansion joint through connecting bolts.
The utility model discloses at least, include following beneficial effect:
the utility model discloses an among the highway bridge expansion joint cover plate, through link, buffer block, roof and supporting spring's cooperation, make the apron not only can bear the pressure that comes from the road surface, can adapt to the flexible change at expansion joint simultaneously, and then has guaranteed the steady driving of vehicle on highway or bridge.
Through setting up the link gear into the H shape to set up the middle part board of H shape support body into the arc, make the flexible homoenergetic that comes from expansion joint itself clear up along with the deformation of arc, the pressure that comes from the road surface top simultaneously also can offset along with buffer block and arc, thereby has improved the life of apron.
Through supporting spring's setting for the apron is inside to obtain certain support, does benefit to the recovery of deformation in the apron, simultaneously, can propose not to clear up the pressure that comes from on road surface or the bridge floor.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a structural diagram of a cover plate for a highway bridge expansion joint according to the present invention;
fig. 2 is a structural diagram of the frame body of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, the utility model provides a highway bridge expansion joint cover plate, include: the connecting frame 1 comprises a frame body with an H-shaped longitudinal section; two side walls of the lower opening of the frame body are connected to two side walls of the expansion joint 3 through connecting bolts 2; the middle plate of the H-shaped frame body is high in central point, and the two ends of the middle plate gradually become lower and are provided with elastic arc plates 4.
The buffer block comprises a lower buffer block 5 filled in the lower opening of the frame body and an upper buffer block 6 filled in the upper opening of the frame body; and a plurality of through holes 7 longitudinally penetrating through the upper buffer block 6 are uniformly formed in the upper buffer block 6.
The top plate 8 is buckled on the upper buffer block 6; the inner surface of the top plate 8 is abutted against two edges of the upper opening of the frame body respectively, and the edges of two ends of the top plate 8 are respectively lapped above the expansion joint 3.
And the supporting spring 9 is fixedly connected with the arc-shaped plate 4 at the bottom end, and is arranged in the through hole 7 at the top end in a penetrating manner in a manner of fixedly connecting with the top plate 8.
In the above scheme, through the cooperation of link, buffer block, roof and supporting spring, make the apron not only can bear the weight of the pressure that comes from the road surface, can adapt to the flexible change at expansion joint simultaneously, and then has guaranteed the steady driving of vehicle on highway or bridge.
Through setting up the link gear into the H shape to set up the middle part board of H shape support body into the arc, make the flexible homoenergetic that comes from expansion joint itself clear up along with the deformation of arc, the pressure that comes from the road surface top simultaneously also can offset along with buffer block and arc, thereby has improved the life of apron.
Through supporting spring's setting for the apron is inside to obtain certain support, does benefit to the recovery of deformation in the apron, simultaneously, can propose not to clear up the pressure that comes from on road surface or the bridge floor.
As shown in fig. 2, in a preferred embodiment, the side wall of the frame body is composed of a first plate body 10 and a second plate body 11; the bottom end of the first plate body 10 and the top end of the second plate body 11 are respectively connected with the end part of the arc-shaped plate 4; the top end of the first plate body 10 and the bottom end of the second plate body 11 extend upwards in an inclined manner in the direction away from the arc-shaped plate 4 respectively, and are abutted against the side wall of the expansion joint 3.
In the above scheme, the lateral wall through setting up the support body comprises first plate body and second plate body, and first plate body and second plate body are the setting of slope simultaneously for the transverse length of arc is less than the natural width in the expansion joint, and then receives the decurrent power at the arc and takes place to extend behind the radian grow, can not make the arc deformation limited because of the restriction of first plate body and second plate body.
In a preferred embodiment, the length of the first plate 10 is at least 2 times the length of the second plate 11.
In above-mentioned scheme, the length through setting up first plate body is 2 times of the second plate body at least for support body upper portion is longer, and the lower part is shorter, makes the upper portion buffer block great, can more clear up the pressure that comes from ground.
In a preferred embodiment, the top plate 8 is provided as a dome plate with an upper surface upwardly convex.
In the above scheme, the roof sets up to the domatic board and can make the atress of roof release downwards inside the apron along with the roof warp when the vehicle passes through, and then makes the vehicle travel more steadily.
In a preferred embodiment, the arc of the arched plate is smaller than the arc of the arched plate 4.
In the above scheme, the arch plate radian is less can make bridge floor or road surface expansion joint surface more smooth-going, and the vehicle of being convenient for steadily drives over, and the arch plate radian is great, can be convenient for quick emergence deformation in order to clear up the deformation of coming from the pressure of vehicle or expansion joint itself.
In a preferred embodiment, the natural length of the support spring 9 is adapted to the length of the through-hole 7.
In the scheme, the natural length of the supporting spring is matched with the length of the through hole, so that the supporting spring can change along with the deformation of the upper buffer block and automatically recover when the external force disappears.
In a preferred scheme, two side walls of the upper opening of the frame body are also connected to two side walls of the expansion joint 3 through the connecting bolts 2.
In the above scheme, the two side walls of the expansion joint are also connected through the connecting bolts by the two side walls of the upper opening of the frame body, so that the cover plate is fixed in the expansion joint, and the cover body is prevented from being raised or sinking due to the deformation of the expansion joint.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (7)
1. A highway bridge expansion joint cover plate, comprising:
the connecting frame comprises a frame body with an H-shaped longitudinal section; two side walls of the lower opening of the frame body are connected to two side walls of the expansion joint through connecting bolts; the middle plate of the H-shaped frame body is an elastic arc-shaped plate with a high central point and two gradually-lowered ends;
the buffer block comprises a lower buffer block filled in the lower opening of the frame body and an upper buffer block filled in the upper opening of the frame body; a plurality of through holes longitudinally penetrating through the upper buffer block are uniformly formed in the upper buffer block;
the top plate is buckled on the upper buffer block; the inner surface of the top plate is respectively abutted against two edges of the upper opening of the frame body, and the edges of the two ends of the top plate are respectively lapped above the expansion joint;
and the supporting spring is fixedly connected with the arc-shaped plate at the bottom end, and the top end of the supporting spring is fixedly connected with the top plate and penetrates through the through hole.
2. The cover for road bridge expansion joints according to claim 1 wherein the side walls of the frame body are comprised of a first plate body and a second plate body; the bottom end of the first plate body and the top end of the second plate body are respectively connected with the end part of the arc-shaped plate; the top of the first plate body and the bottom of the second plate body respectively extend upwards towards the direction slope of keeping away from the arc-shaped plate, and all with the lateral wall counterbalance of expansion joint.
3. The road bridge expansion joint cover of claim 2, wherein said first plate is at least 2 times as long as said second plate.
4. The road bridge expansion joint cover according to claim 1, wherein said top plate is provided as a dome plate having an upper surface upwardly protruded.
5. The road bridge expansion joint cover according to claim 4, wherein said arcuate plate has a curvature less than a curvature of said arcuate plate.
6. The road bridge expansion joint cover according to claim 5, wherein the natural length of said supporting spring is adapted to the length of said through hole.
7. The cover for an expansion joint of a road bridge as claimed in claim 1, wherein the two side walls of the upper opening of the frame body are connected to the two side walls of the expansion joint by connecting bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006594.8U CN211171600U (en) | 2019-11-20 | 2019-11-20 | Road bridge expansion joint cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006594.8U CN211171600U (en) | 2019-11-20 | 2019-11-20 | Road bridge expansion joint cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211171600U true CN211171600U (en) | 2020-08-04 |
Family
ID=71821231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922006594.8U Expired - Fee Related CN211171600U (en) | 2019-11-20 | 2019-11-20 | Road bridge expansion joint cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211171600U (en) |
-
2019
- 2019-11-20 CN CN201922006594.8U patent/CN211171600U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20211120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |