CN218929256U - Self-adaptive bus-bar positioning wire clamp along line direction - Google Patents
Self-adaptive bus-bar positioning wire clamp along line direction Download PDFInfo
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- CN218929256U CN218929256U CN202223431518.XU CN202223431518U CN218929256U CN 218929256 U CN218929256 U CN 218929256U CN 202223431518 U CN202223431518 U CN 202223431518U CN 218929256 U CN218929256 U CN 218929256U
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- external thread
- thread sleeve
- connecting seat
- connecting shaft
- wire clamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The self-adaptive bus-bar positioning wire clamp comprises a wire clamp body and a connecting shaft, wherein two sides of the lower end of the wire clamp body are connected with clamping plates for clamping a bus bar, the upper end of the wire clamp body is upwards protruded with a gate-type connecting seat along the line direction, the top surface of the gate-type connecting seat is provided with a strip-type hole along the line direction, and the lower end of the connecting shaft is hinged on two side walls of the gate-type connecting seat through a horizontal shaft in a direction perpendicular to the line direction after being inserted into the strip-type hole; the connecting shaft is sequentially sleeved with an external thread sleeve, a spring and a lock nut from bottom to top, and the external thread sleeve is axially locked on the connecting shaft through the spring and the lock nut; the external thread sleeve's external diameter is polygon structure, and threaded connection has the connecting seat on the external thread sleeve, and the central authorities of connecting seat have polygon nut, and the cover is equipped with spacing packing ring on the external thread sleeve, and spacing packing ring's internal diameter is the polygon structure with external thread sleeve's external diameter adaptation, and spacing piece clamping on the spacing packing ring is on the lateral wall of polygon nut, restricts the external thread sleeve and rotates.
Description
Technical Field
The utility model belongs to the technical field of rigid suspension contact networks, and particularly relates to a self-adaptive bus-bar positioning wire clamp along a line direction.
Background
In the rigid suspension contact net system of the electrified railway, a positioning wire clamp clamps a busbar and then is fixed on a cantilever supporting device, and when the temperature changes, displacement generated by expansion and contraction of the busbar is released through rotation of the cantilever device, so that the compensation function of an anchor section is finally realized. The existing wire clamps are divided into an elastic wire clamp and a rigid wire clamp, and have certain height guiding and fine tuning functions, the existing wire clamps do not have the function of adjusting deflection angles along the line direction, when certain gradients exist along the line direction, the elastic part and the suspension supporting part are easy to cause clamping stagnation due to height guiding difference near the suspension point, and the stability and the reliability of the performance of the whole system are affected; and the existing wire clamp is inconvenient to install and adjust, so that the construction difficulty is increased, and the operation and maintenance efficiency is reduced.
Disclosure of Invention
The utility model provides a self-adaptive bus-bar positioning wire clamp along a line direction, which overcomes the defects of the prior art.
The technical scheme adopted by the utility model is as follows: the self-adaptive bus-bar positioning wire clamp comprises a wire clamp body and a connecting shaft, wherein two sides of the lower end of the wire clamp body are connected with clamping plates for clamping a bus bar, the upper end of the wire clamp body is upwards protruded with a gate-type connecting seat along the line direction, the top surface of the gate-type connecting seat is provided with a strip-type hole along the line direction, and the lower end of the connecting shaft is hinged on two side walls of the gate-type connecting seat through a horizontal shaft after being inserted into the strip-type hole and perpendicular to the line direction; the connecting shaft is sequentially sleeved with an external thread sleeve, a spring and a locking nut from bottom to top, and the external thread sleeve is axially locked on the connecting shaft through the spring and the locking nut; the external thread sleeve is characterized in that the external thread sleeve is of a polygonal structure, a connecting seat is connected to the external thread sleeve in a threaded manner, a polygonal nut is arranged in the center of the connecting seat, a limit gasket is sleeved on the external thread sleeve, the internal diameter of the limit gasket is of a polygonal structure matched with the external diameter of the external thread sleeve, and a limit piece on the limit gasket is clamped on the side wall of the polygonal nut to limit the rotation of the external thread sleeve.
The center of the wire clamp body below the strip-shaped hole is provided with a through hole, the lower end of the connecting shaft is coated with a nonmetal abrasion-resistant block, the connecting shaft sequentially passes through the through hole and the strip-shaped hole from bottom to top, and then is sleeved with an external thread sleeve, a spring and a locking nut, and the nonmetal abrasion-resistant block is positioned in the door-shaped connecting seat; the horizontal shaft penetrates through the lower end of the connecting shaft and is hinged with the two side walls of the door-type connecting seat after passing through the nonmetal abrasion-resistant block.
The horizontal shaft is fixed with the lower end of the connecting shaft through an axial pin.
The upper end of the connecting shaft is sleeved with a limiting sheath, and the limiting sheath is positioned between the lock nut and the spring and sleeved on the periphery of the spring.
The middle part of the connecting shaft is sleeved with a gasket, and the gasket is positioned between the spring and the external thread sleeve.
The lower end of the connecting seat is provided with a positioning boss.
An annular concave table is arranged at the upper port of the external thread sleeve.
The two side walls of the door-shaped connecting seat are composed of two stiffening plates which are arranged in parallel.
Compared with the prior art, the utility model has the following beneficial effects:
1. the wire clamp body is rotationally hinged with the connecting shaft, and when a certain gradient exists along the line direction, the wire clamp body can be adaptively rotationally adjusted along the line direction, so that the bus bar is ensured to smoothly transition along the line direction.
2. According to the utility model, the spring is sleeved on the connecting shaft, so that the effect of absorbing energy and reducing vibration can be achieved in the process of fluctuating vibration of the busbar, and smooth transition of the pantograph is ensured. And the spring limiting overload protection device is arranged to prevent the spring from prematurely failing.
3. According to the utility model, the nonmetal wear-resistant block is arranged between the connecting shaft and the wire clamp body, so that the wear resistance of the connecting shaft and the wire clamp body in the line-following self-adaption process is improved, and the service life of a product is prolonged.
4. The bus height guiding adjustment is convenient and quick, and the construction and operation and maintenance efficiency is improved. And the overall structure is small in height, and the use requirement of low-clearance tunnel installation is met.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of the wire clamp body of the present utility model;
FIG. 4 is a schematic view of the coupling shaft assembly of the present utility model;
fig. 5 is a schematic view of the use state of the present utility model.
Detailed Description
The utility model will now be described in detail with reference to figures 1-5 and the detailed description.
The self-adaptive bus-bar positioning wire clamp along the line direction comprises a wire clamp body 1 and a connecting shaft 2, wherein two sides of the lower end of the wire clamp body 1 are connected with clamping plates 3 for clamping a bus bar, the upper end of the wire clamp body is upwards protruded with a gate-type connecting seat 1-1 along the line direction, the top surface of the gate-type connecting seat 1-1 is provided with a strip-type hole 1-2 along the line direction, and the lower end of the connecting shaft 2 is hinged on two side walls of the gate-type connecting seat 1-1 through a horizontal shaft 2-1 in a direction perpendicular to the line direction after being inserted into the strip-type hole 1-2; the connecting shaft 2 is sequentially sleeved with an external thread sleeve 4, a spring 6 and a locking nut 7 from bottom to top, and the external thread sleeve 4 is axially locked on the connecting shaft 2 through the spring 6 and the locking nut 7; the external thread sleeve 4 is of a polygonal structure in outer diameter, the external thread sleeve 4 is connected with a connecting seat 5 in a threaded manner, a polygonal nut 5-1 is arranged in the center of the connecting seat 5, a limit gasket 8 is sleeved on the external thread sleeve 4, the inner diameter of the limit gasket 8 is of a polygonal structure matched with the outer diameter of the external thread sleeve 4, and a limit piece 8-1 on the limit gasket 8 is clamped on the side wall of the polygonal nut 5-1 to limit the rotation of the external thread sleeve 4.
When the bus bar is used, the bus bar is hung on the cantilever supporting device 11 through the connecting seat 5, the bus bar 12 is clamped through the clamping plate 3, the limiting gasket 8 is withdrawn upwards from the limiting state, the height of the bus bar can be adjusted through rotating the external thread sleeve 4, the limiting gasket 8 is pressed down to the limiting state after the adjustment is finished, the adjustment is simple, convenient and quick, and the height is constant. When a certain gradient exists along the line direction, the wire clamp body 1 can rotate around the horizontal shaft 2-1, so that the self-adaptive adjusting mechanism has the self-adaptive adjusting function along the line direction, and smooth transition of the busbar along the line direction is ensured. The installation and adjustment are convenient, and overall structure is high little, satisfies the operation requirement of low headroom tunnel installation. And the spring 6 can play an energy absorption and vibration reduction role in the busbar heave process.
In order to improve the wear resistance of the wire clamp body and the connecting shaft in the line self-adaptation process, the service life of the product is prolonged. The center of the wire clamp body 1 below the strip-shaped hole 1-2 is provided with a through hole 1-3, the lower end of the connecting shaft 2 is coated with a nonmetal abrasion-resistant block 2-2, the connecting shaft 2 sequentially passes through the through hole 1-3 and the strip-shaped hole 1-2 from bottom to top, then is sleeved with an external thread sleeve 4, a spring 6 and a locking nut 7, and the nonmetal abrasion-resistant block 2-2 is positioned in the door-shaped connecting seat 1-1; the horizontal shaft 2-1 passes through the lower end of the connecting shaft 2 and is hinged with the two side walls of the door-type connecting seat 1-1 after passing through the nonmetal abrasion-resistant block 2-2. The nonmetal wear-resisting blocks 2-2 are contacted with the wire clamp body 1 to improve wear resistance and prolong the service life of the product.
In order to prevent the horizontal shaft 2-1 from being pulled out, the horizontal shaft 2-1 is fixed with the lower end of the connecting shaft 2 through an axial pin 2-3.
In order to prevent the overload failure of the elastic element, the upper end of the connecting shaft 2 is sleeved with a limiting sheath 9, and the limiting sheath 9 is positioned between the lock nut 7 and the spring 6 and sleeved on the periphery of the spring 6. The compression stroke of the spring 6 is limited by the abutting connection of the lower end of the limit sheath 9 and the top end of the external thread sleeve 4, so that the overload failure of the spring is prevented.
In order to prevent dirt from entering between the external thread sleeve 4 and the connecting shaft 2 to cause clamping stagnation, a gasket 10 is sleeved in the middle of the connecting shaft 2, and the gasket 10 is positioned between the spring 6 and the external thread sleeve 4.
In order to facilitate the positioning of the connecting seat 5 and the cantilever supporting device 11 and prevent the connecting seat 5 from rotating, the lower end of the connecting seat 5 is provided with a positioning boss 5-2. The connecting seat 5 is positioned by clamping the positioning boss 5-2 into the mounting groove 11-1 on the cantilever supporting device 11, and then the connecting seat 5 is fixed on the cantilever supporting device 11 through a bolt pair.
In order to prevent the upper port of the external thread sleeve 4 from being scratched during the relative movement of the connecting shaft 2, the upper port of the external thread sleeve 4 is provided with an annular concave table 4-1.
In order to increase the rigidity of the door-shaped connecting seat 1-1, two side walls of the door-shaped connecting seat 1-1 are composed of two stiffening plates 1-4 which are arranged in parallel.
The wire clamp body 1 is preferably formed by extrusion of aluminum alloy, the nonmetal abrasion-resistant block 2-2 is preferably a nylon abrasion-resistant block, and is formed by adopting a plastic coating process to form a whole with the connecting shaft 2; the external thread sleeve 4, the gasket 10, the limiting sheath 9 and the connecting shaft 2 are preferably made of stainless steel.
The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent modifications made by the appended claims shall be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a along line direction self-adaptation converging position fastener which characterized in that: the wire clamp comprises a wire clamp body (1) and a connecting shaft (2), wherein clamping plates (3) for clamping a busbar are connected to two sides of the lower end of the wire clamp body (1), a door-shaped connecting seat (1-1) in the line direction is upwards protruded at the upper end of the wire clamp body, a strip-shaped hole (1-2) is formed in the top surface of the door-shaped connecting seat (1-1) in the line direction, and the lower end of the connecting shaft (2) is hinged to two side walls of the door-shaped connecting seat (1-1) through a horizontal shaft (2-1) in the direction perpendicular to the line direction after being inserted into the strip-shaped hole (1-2); the connecting shaft (2) is sequentially sleeved with an external thread sleeve (4), a spring (6) and a locking nut (7) from bottom to top, and the external thread sleeve (4) is axially locked on the connecting shaft (2) through the spring (6) and the locking nut (7); the external thread sleeve (4) is of a polygonal structure in outer diameter, a connecting seat (5) is connected to the external thread sleeve (4) in a threaded mode, a polygonal nut (5-1) is arranged in the center of the connecting seat (5), a limit gasket (8) is sleeved on the external thread sleeve (4), the inner diameter of the limit gasket (8) is of a polygonal structure matched with the outer diameter of the external thread sleeve (4), and a limit piece (8-1) on the limit gasket (8) is clamped on the side wall of the polygonal nut (5-1) to limit the rotation of the external thread sleeve (4).
2. The line-direction adaptive bus bar positioning clamp of claim 1, wherein: the center of the wire clamp body (1) below the strip-shaped hole (1-2) is provided with a through hole (1-3), the lower end of the connecting shaft (2) is coated with a nonmetal abrasion-resistant block (2-2), the connecting shaft (2) sequentially penetrates through the through hole (1-3) and the strip-shaped hole (1-2) from bottom to top, is sleeved with an external thread sleeve (4), a spring (6) and a locking nut (7), and enables the nonmetal abrasion-resistant block (2-2) to be positioned in the door-shaped connecting seat (1-1); the horizontal shaft (2-1) passes through the lower end of the connecting shaft (2) and is hinged with the two side walls of the door-shaped connecting seat (1-1) after passing through the nonmetallic wear-resistant block (2-2).
3. The line-direction adaptive bus bar positioning clamp according to claim 2, wherein: the horizontal shaft (2-1) is fixed with the lower end of the connecting shaft (2) through an axial pin (2-3).
4. A line-wise adaptive bus bar positioning clamp according to claim 1 or 2 or 3, characterized in that: the upper end of the connecting shaft (2) is sleeved with a limiting sheath (9), and the limiting sheath (9) is positioned between the lock nut (7) and the spring (6) and sleeved on the periphery of the spring (6).
5. The line-direction adaptive bus bar positioning clamp as set forth in claim 4, wherein: the middle part of the connecting shaft (2) is sleeved with a gasket (10), and the gasket (10) is positioned between the spring (6) and the external thread sleeve (4).
6. The line-direction adaptive bus bar positioning clamp as set forth in claim 5, wherein: the lower end of the connecting seat (5) is provided with a positioning boss (5-2).
7. The line-direction adaptive bus bar positioning clamp as set forth in claim 6, wherein: an annular concave table (4-1) is arranged at the upper port of the external thread sleeve (4).
8. The line-direction adaptive bus bar positioning clamp of claim 7, wherein: the two side walls of the door-shaped connecting seat (1-1) are composed of two stiffening plates (1-4) which are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223431518.XU CN218929256U (en) | 2022-12-21 | 2022-12-21 | Self-adaptive bus-bar positioning wire clamp along line direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223431518.XU CN218929256U (en) | 2022-12-21 | 2022-12-21 | Self-adaptive bus-bar positioning wire clamp along line direction |
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| Publication Number | Publication Date |
|---|---|
| CN218929256U true CN218929256U (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223431518.XU Active CN218929256U (en) | 2022-12-21 | 2022-12-21 | Self-adaptive bus-bar positioning wire clamp along line direction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116605101A (en) * | 2023-07-20 | 2023-08-18 | 中铁建电气化局集团轨道交通器材有限公司 | Elastic damping positioning wire clamp |
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2022
- 2022-12-21 CN CN202223431518.XU patent/CN218929256U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116605101A (en) * | 2023-07-20 | 2023-08-18 | 中铁建电气化局集团轨道交通器材有限公司 | Elastic damping positioning wire clamp |
| CN116605101B (en) * | 2023-07-20 | 2023-09-12 | 中铁建电气化局集团轨道交通器材有限公司 | Elastic damping positioning wire clamp |
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