CN215329342U - Shock-absorbing noise-reducing telescopic device - Google Patents
Shock-absorbing noise-reducing telescopic device Download PDFInfo
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- CN215329342U CN215329342U CN202121172792.2U CN202121172792U CN215329342U CN 215329342 U CN215329342 U CN 215329342U CN 202121172792 U CN202121172792 U CN 202121172792U CN 215329342 U CN215329342 U CN 215329342U
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- section steel
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- shaped supporting
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 17
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 14
- 238000004873 anchoring Methods 0.000 claims abstract description 11
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 230000035939 shock Effects 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000872 buffer Substances 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a damping and noise-reducing telescopic device, which comprises profile steel and a T-shaped supporting plate fixed on the two opposite profile steels, wherein a polytetrafluoroethylene sliding strip is arranged between the joint surfaces of the T-shaped supporting plate and the profile steel; the section steel is F-shaped, a sliding guide rod which is perpendicular to the vertical plate and extends towards two sides is fixedly connected to the vertical plate of the T-shaped supporting plate, and a limiting sliding groove which extends inwards and can accommodate the sliding guide rod is arranged on the front side surface of the section steel; a limiting damping spring is connected between the vertical plate of the T-shaped support plate and the front side surface of the section steel; connect the stagnant water rubber slab between the relative shaped steel lower extreme, the laminating of stagnant water rubber slab the shaped steel side sets up. The telescopic device has the advantages of small occupied space and convenience in installation, and the arrangement of the polytetrafluoroethylene sliding strip and the limiting damping spring transmits and buffers the vibration of the wheel and the T-shaped supporting plate, so that the vibration of the section steel is reduced, the noise is reduced, the section steel and the anchoring steel bar are protected from falling off from the concrete, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of telescopic devices, in particular to a damping and noise-reducing telescopic device.
Background
The bridge expansion device is an important component in a bridge, and plays a vital role in ensuring normal and effective expansion of a bridge body and ensuring smooth running of a vehicle. When the wheel was walked over on telescoping device, the wheel will shake with the backup pad, arouses shaped steel to take place vibrations then, and various vibrations will produce huge noise, have also long also aroused the vibrations or the displacement of shaped steel and anchor reinforcing bar, cause shaped steel or anchor reinforcing bar to break away from in the concrete easily, influence bridge telescoping device's life.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a shock-absorbing noise-reducing expansion device which is small in occupied space, convenient to install, capable of absorbing shock and reducing noise and capable of ensuring the service life of a bridge expansion device.
Based on the problems, the technical scheme provided by the utility model is to provide a damping and noise-reducing telescopic device, which comprises oppositely arranged section steels embedded in concrete and a T-shaped supporting plate fixed on the two opposite section steels, wherein a gap is reserved between the section steels and a horizontal plate of the T-shaped supporting plate, and a polytetrafluoroethylene sliding strip is arranged between the joint surfaces of the T-shaped supporting plate and the section steels.
The section steel is F-shaped, a sliding guide rod which is perpendicular to the vertical plate and extends towards two sides is fixedly connected to the vertical plate of the T-shaped supporting plate, and a limiting sliding groove which extends inwards and can accommodate the sliding guide rod is arranged on the front side surface of the section steel.
And a limiting damping spring is connected between the vertical plate of the T-shaped supporting plate and the front side surface of the section steel.
Connect the stagnant water rubber slab between the relative shaped steel, the laminating of stagnant water rubber slab the shaped steel side sets up.
And a long-strip-shaped stainless steel strip is welded at the joint of the top surface of the section steel and the T-shaped support plate.
Furthermore, the polytetrafluoroethylene slide bar is in a long strip shape and is matched with the stainless steel bar to slide.
Wherein, the distance between the relative bottom surfaces of the limiting sliding groove is greater than the length of the sliding guide rod.
The sliding guide rod and the T-shaped support plate are of an integral structure.
And a strip-shaped pressing strip is arranged between the water stop rubber plate and the section steel and is anchored through a hexagon head bolt.
The rear side of the section steel is welded with an anchoring steel bar, and two free ends of the anchoring steel bar are respectively abutted against the rear side surface and the bottom surface of the section steel.
The utility model has the advantages and beneficial effects that:
the telescopic device has the advantages that the occupied space is small, the installation is convenient, when a vehicle passes, the wheels and the T-shaped supporting plate vibrate, the vibration of the T-shaped supporting plate is transmitted to the polytetrafluoroethylene sliding strip and the limiting damping spring, the polytetrafluoroethylene sliding strip is stressed and deformed to play a damping role, the vibration of the damping spring is stressed and flexibly deformed to play a role in relieving, the vibration of the section steel is reduced, the section steel and the anchoring steel bar are protected from falling off from the concrete, and the service life is prolonged.
When the structure takes place the displacement, thereby the increase of telescoping device shaped steel interval slip guide arm slides along the slip circular slot on the shaped steel to drive T type backup pad with spacing damping spring and slide, and T type backup pad both sides clearance is even, and the stagnant water rubber slab also can change along with the displacement of shaped steel, guarantees that the stagnant water effect is not influenced.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Wherein: 1. section steel; 2. a stainless steel strip; 3. a polytetrafluoroethylene runner; a T-shaped support plate; 5. a sliding guide bar; 6. a limiting damping spring; 7. a water stop rubber plate; 8. layering; 9. a hexagon head bolt; 10. and anchoring the steel bars.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
As shown in figure 1, the utility model provides a shock-absorbing noise-reducing telescopic device, which comprises oppositely arranged section steels 1 embedded in concrete and T-shaped supporting plates 4 fixed on the oppositely arranged section steels 1, wherein the tops of the section steels 1 are provided with concave platforms with horizontal bottom surfaces, horizontal plates of the T-shaped supporting plates 4 are lapped on the concave platforms, the top surfaces of the T-shaped supporting plates are flush with the top surfaces and bridge floors of the section steels 1, gaps are reserved between the inner walls of the concave platforms and the side surfaces of the horizontal plates of the T-shaped supporting plates 4, and polytetrafluoroethylene sliding strips 3 are arranged between the joint surfaces of the T-shaped supporting plates 4 and the concave platforms of the section steels 1, so that the friction resistance is reduced for the sliding of the T-shaped supporting plates 4, and the shock is relieved during passing. The long stainless steel strips 2 are welded at the joint of the bottom surface of the concave table and the T-shaped support plate 4, so that the friction resistance is reduced for the sliding of the T-shaped support plate 4. The polytetrafluoroethylene slide bar 3 is in a long strip shape and is matched with the stainless steel bar 2 to slide.
The section steel 1 is F-shaped, a sliding guide rod 5 which is perpendicular to the vertical plate and extends towards two sides is fixedly connected to the vertical plate of the T-shaped supporting plate 4, a limiting sliding groove which extends inwards and can accommodate the sliding guide rod 5 is formed in the front side face of the section steel 1, the distance between the opposite bottom faces of the limiting sliding groove is larger than the length of the sliding guide rod 5, and the sliding guide rod 5 slides along the limiting sliding groove in the section steel 1. The sliding guide rod and the T-shaped support plate 4 are of an integral structure, and the T-shaped support plate 4 slides to conduct navigation.
And a limiting damping spring 6 is connected between the vertical plate of the T-shaped support plate 4 and the front side surface of the section steel 1.
Connect stagnant water rubber slab 7 between relative shaped steel 1, stagnant water rubber slab 7 laminating 1 side of shaped steel sets up, plays the stagnant water effect in telescoping device joint department, carries out the drainage through the drain pipe at both ends in the bridge water pouring groove, prevents the erosion of water to beam-ends and substructure. A strip-shaped pressing strip 8 is arranged between the water stop rubber plate 7 and the section steel 1, and is anchored through a hexagon head bolt 9, so that the installation and the replacement are convenient.
The rear side of the section steel 1 is welded with an anchoring steel bar 10, and two free ends of the anchoring steel bar 10 are respectively abutted with the rear side surface and the bottom surface of the section steel 1, so that the anchoring capability is provided for the section steel 1.
When the structure takes place the displacement, thereby 1 interval increase of shaped steel slides guide rod 5 along the slip groove of spacing on shaped steel 1 and slides to drive T type backup pad 4 with spacing damping spring 6 and slide, make 4 both sides clearances of T type backup pad even, stagnant water rubber slab 7 also can change along with shaped steel 1's displacement, guarantees that the stagnant water effect is not influenced.
When the vehicle passes, the wheels vibrate with the T-shaped supporting plate 4, the vibration of the T-shaped supporting plate 4 is transmitted to the polytetrafluoroethylene sliding strips 3 and the limiting damping springs 6, the polytetrafluoroethylene sliding strips 3 are stressed to deform to play a damping role, and the damping springs vibrate to deform flexibly to play a relieving role, so that the vibration of the section steel 1 is reduced, the section steel 1 and the anchoring steel bars 10 are protected from falling off from the concrete, the tire is protected, and the noise generated by impact is reduced.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The utility model provides a vibration/noise reduction telescoping device which characterized in that: the concrete-reinforced polytetrafluoroethylene composite material comprises oppositely arranged profile steels embedded in concrete and T-shaped supporting plates fixed on the two opposite profile steels, wherein a gap is reserved between the profile steels and horizontal plates of the T-shaped supporting plates, and polytetrafluoroethylene sliding strips are arranged between the joint surfaces of the T-shaped supporting plates and the profile steels;
the section steel is F-shaped, a sliding guide rod which is perpendicular to the vertical plate and extends towards two sides is fixedly connected to the vertical plate of the T-shaped supporting plate, and a limiting sliding groove which extends inwards and can accommodate the sliding guide rod is arranged on the front side surface of the section steel;
a limiting damping spring is connected between the vertical plate of the T-shaped support plate and the front side surface of the section steel;
connect the stagnant water rubber slab between the relative shaped steel lower extreme, the laminating of stagnant water rubber slab the shaped steel side sets up.
2. The telescopic shock absorbing and noise reducing device according to claim 1, wherein: and welding a long-strip-shaped stainless steel strip at the joint of the top surface of the section steel and the T-shaped support plate.
3. A shock absorbing and noise reducing telescopic device according to claim 2, wherein: the polytetrafluoroethylene sliding strip is in a long strip shape and is matched with the stainless steel strip to slide.
4. The telescopic shock absorbing and noise reducing device according to claim 1, wherein: the distance between the opposite bottom surfaces of the limiting sliding grooves is greater than the length of the sliding guide rod.
5. The telescopic shock absorbing and noise reducing device according to claim 1, wherein: the sliding guide rod and the T-shaped support plate are of an integral structure.
6. The telescopic shock absorbing and noise reducing device according to claim 1, wherein: and a strip-shaped pressing strip is arranged between the water stop rubber plate and the section steel and is anchored through a hexagon head bolt.
7. The telescopic shock absorbing and noise reducing device according to claim 1, wherein: the rear side of the section steel is welded with an anchoring steel bar, and two free ends of the anchoring steel bar are respectively abutted against the rear side surface and the bottom surface of the section steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121172792.2U CN215329342U (en) | 2021-05-28 | 2021-05-28 | Shock-absorbing noise-reducing telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121172792.2U CN215329342U (en) | 2021-05-28 | 2021-05-28 | Shock-absorbing noise-reducing telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215329342U true CN215329342U (en) | 2021-12-28 |
Family
ID=79548897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121172792.2U Active CN215329342U (en) | 2021-05-28 | 2021-05-28 | Shock-absorbing noise-reducing telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215329342U (en) |
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2021
- 2021-05-28 CN CN202121172792.2U patent/CN215329342U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450000 1 Minsheng Road, Zheng Dong New District, Zhengzhou, Henan Patentee after: Zhengzhou Municipal Engineering Survey, Design and Research Institute Co.,Ltd. Address before: 450000 1 Minsheng Road, Zheng Dong New District, Zhengzhou, Henan Patentee before: ZHENGZHOU MUNICIPAL ENGINEERING SURVEY AND DESIGN INSTITUTE |
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| CP03 | Change of name, title or address |