Subway traction power supply device
By designing a subway traction power supply device with protective covers with curved convex and curved concave surfaces and torsion spring connection shafts, safety hazards and working strength problems caused by exposure of subway contact rails are solved, and automatic reset and safety improvement are achieved.
Patent Information
- Application Number
- CN202421098080.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-01-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Safety risks caused by long-term exposure of subway contact rails and the increased working strength of staff installing or dismantling protective covers on the outside.
A subway traction power supply device is designed, and several protective covers are connected through a torsion spring connecting shaft. The protective cover includes a protective side plate, a protective top plate and an insulating layer. The protective cover is equipped with a curved convex surface and a curved concave surface. The protective cover is in the traction boot. It automatically resets after passing, avoids interference with the traction boots, and achieves smooth rotation through balls and elastic ropes.
It improves safety, avoids the risk of personnel touching the contact rail by mistake, reduces the working strength of staff, and automatically resets the protective cover without manual operation, which enhances the protection effect.
Smart Images
Figure CN222310425U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of public transportation, and in particular relates to a subway traction power supply device. Background Art
[0002] Subway traction power supply refers to the power supply system used for train traction in the subway system. Subway trains are usually driven by electricity, and the subway system needs to provide a reliable way to transmit electricity to the trains for their normal operation. The contact rail is a vital part of the subway traction power supply system. The contact between the traction boot and the contact rail during the operation of the subway can continuously supply power to the subway. In order to avoid the safety hazards caused by the contact rail being exposed to the outside for a long time, the staff needs to frequently install or remove the protective cover on the outside of the contact rail, which increases the workload of the staff. Utility Model Content
[0003] The utility model provides a subway traction power supply device, which has the characteristics of being able to shield the subway contact rail through a plurality of protective covers, which is beneficial to improving safety, and preventing the protective covers from interfering with the movement of traction boots through the arc-shaped convex surface, and the protective cover can be automatically reset after the traction boots pass through the torsion spring connecting shaft, which is beneficial to ensuring the protective effect of the protective cover and reducing the work intensity of the staff.
[0004] The utility model provides the following technical solution: comprising a subway contact rail for subway traction power supply, characterized in that: a plurality of protective covers are rotatably connected on both sides of the subway contact rail through a torsion spring connecting shaft, the protective covers include protective side plates, a protective top plate and an insulating layer, the protective top plate is fixedly connected to the protective side plates, and the insulating layer is located on the outer sides of the protective side plates and the protective top plate, one side of the protective top plate is provided with an arcuate convex surface, the side of the protective top plate away from the arcuate convex surface is provided with an arcuate concave surface, the size of the arcuate concave surface matches that of the arcuate convex surface, and a plurality of the protective covers located on both sides of the subway contact rail are staggered with each other, and a plurality of ball bearings are provided at the bottom of the protective top plate.
[0005] Wherein, a plurality of connection seats are arranged on both sides of the subway contact rail, a through slot is opened at the bottom of the protective side plate, and the connection seat and the through slot are connected through the torsion spring connecting shaft.
[0006] Wherein, a clearance groove is provided at the bottom of the protective side plate, and the connecting seat is located on the inner side of the clearance groove.
[0007] Wherein, a plurality of elastic ropes are arranged on both sides of the subway contact rail, and one end of the elastic rope away from the subway contact rail is fixedly connected to the inner side of the protective side plate.
[0008] Wherein, a plurality of connecting grooves are provided at the bottom of the protective top plate, and the balls are movably connected inside the connecting grooves.
[0009] The beneficial effects of the utility model are as follows: the subway contact rail can be shielded by the complementarity between a plurality of protective covers, so as to avoid the situation where personnel accidentally touch the subway contact rail and cause safety hazards, which is beneficial to improving safety; the arc-shaped convex surface can prevent the protective cover from interfering with the movement of the traction boot, and the torsion spring connecting shaft allows the protective cover to automatically reset after the traction boot passes, which is beneficial to ensuring the protective effect of the protective cover; at the same time, there is no need for manual operation of the protective device, thereby reducing the workload of the staff.
[0010] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0012] Figure 2 For this utility model Figure 1 A magnified view of part A in FIG.
[0013] Figure 3 It is a three-dimensional structural schematic diagram of the protective cover in the utility model;
[0014] Figure 4 It is a schematic diagram of the cross-sectional structure of the protective top plate in the utility model;
[0015] Figure 5 It is a schematic diagram of the top view structure of the utility model;
[0016] In the figure: 1, subway contact rail; 11, connecting seat; 111, torsion spring connecting shaft; 12, elastic rope; 2, protective cover; 21, protective side plate; 211, give way groove; 212, through groove; 22, protective top plate; 221, arc convex surface; 222, arc concave surface; 223, connecting groove; 224, ball bearing; 23, insulating layer. DETAILED DESCRIPTION
[0017] See also Figure 1-Figure 5The utility model provides the following technical solutions: including a subway contact rail 1 for subway traction power supply, characterized in that: a plurality of protective covers 2 are rotatably connected on both sides of the subway contact rail 1 through a torsion spring connecting shaft 111, the protective covers 2 include protective side plates 21, a protective top plate 22 and an insulating layer 23, the protective top plate 22 is fixedly connected to the protective side plates 21, and the insulating layer 23 is located on the outer sides of the protective side plates 21 and the protective top plate 22, a curved convex surface 221 is provided on one side of the protective top plate 22, a curved concave surface 222 is provided on the side of the protective top plate 22 away from the curved convex surface 221, the size of the curved concave surface 222 matches that of the curved convex surface 221, and the plurality of protective covers 2 located on both sides of the subway contact rail 1 are staggered with each other, and a plurality of ball bearings 224 are provided at the bottom of the protective top plate 22.
[0018] In this embodiment: a subway contact rail 1 for subway traction power supply is included. The subway traction power supply refers to the power supply system for train traction in the subway system. Subway trains are usually driven by electricity, and the subway system needs to provide a reliable way to transmit electric energy to the train for its normal operation. The subway contact rail 1 is a vital part of the subway traction power supply system. The subway can be continuously powered by the contact between the traction boot and the subway contact rail 1 during the running of the subway. Several protective covers 2 are rotatably connected to the two sides of the subway contact rail 1 through a torsion spring connecting shaft 111. The protective cover 2 can automatically rotate and reset after rotating outward through the connection of the torsion spring connecting shaft 111. The protective cover 2 includes a protective side plate 21 and a protective top plate 22. And insulating layer 23, the protective top plate 22 is fixedly connected to the protective side plate 21, the thickness of the protective top plate 22 is less than the protective side plate 21, when the protective cover 2 is located on the outside of the subway contact rail 1, the protective side plate 21 is located on one side of the subway contact rail 1, and the protective top plate 22 is located on the top of the subway contact rail 1, and there is a gap between the bottom of the protective top plate 22 and the top of the subway contact rail 1, and the insulating layer 23 is located on the outside of the protective side plate 21 and the protective top plate 22. The subway contact rail 1 can be shielded by the protective cover 2 to prevent people from accidentally touching the subway contact rail 1 and causing safety hazards, which is beneficial to improving safety. An arc-shaped convex surface 221 is provided on one side of the protective top plate 22, and the arc-shaped convex surface 221 is opposite to the driving direction of the subway. When the subway travels to the protective cover When the top plate 22 is in the position, through the contact between the traction boot and the top of the subway contact rail 1 and the curvature of the arc-shaped convex surface 221, the traction boot will push the protective top plate 22 to the two sides of the subway contact rail 1 as the subway travels, so that the protective cover 2 rotates outward to make way for the traction boot, and when the traction boot passes, the torsion spring connecting shaft 111 makes the protective cover 2 rotate upward to continue to block the subway contact rail 1, which is beneficial to ensure the protective effect of the protective cover 2. At the same time, there is no need to manually operate the protective device, which reduces the work intensity of the staff. A curved concave surface 222 is provided on the side of the protective top plate 22 away from the curved convex surface 221. The size of the curved concave surface 222 matches the size of the curved convex surface 221, and the curved concave surface 222 does not touch the traction boot. Since the sizes of the arc-shaped concave surface 222 and the arc-shaped convex surface 221 match, the arc-shaped concave surface 222 and the arc-shaped convex surface 221 are complementary, and the several protective covers 2 located on both sides of the subway contact rail 1 are staggered with each other. When the several protective covers 2 located on both sides of the subway contact rail 1 block the outside of the subway contact rail 1, the several protective top plates 22 complement each other and are spliced together, so as to achieve the purpose of covering the subway contact rail 1, and the bottom of the protective top plate 22 is provided with a plurality of ball bearings 224, which can improve the smoothness of the protective top plate 22 during rotation, and also can reduce the friction between the protective top plate 22 and the subway contact rail 1, and avoid the situation where the friction has an adverse effect on the subway contact rail 1 and the protective cover 2.The complementary nature of several protective covers 2 can shield the subway contact rail 1, preventing people from accidentally touching the subway contact rail 1 and causing potential safety hazards, which is beneficial to improving safety. The arc-shaped convex surface 221 can prevent the protective cover 2 from interfering with the movement of the traction boot, and the torsion spring connecting shaft 111 allows the protective cover 2 to automatically reset after the traction boot passes, which is beneficial to ensuring the protective effect of the protective cover 2. At the same time, there is no need for manual operation of the protective device, which reduces the work intensity of the staff.
[0019] A plurality of connection seats 11 are provided on both sides of the subway contact rail 1, a through slot 212 is provided at the bottom of the protective side plate 21, and the connection seats 11 and the through slot 212 are connected by a torsion spring connecting shaft 111; the plurality of connection seats 11 are staggered with each other, and the connection seats 11 are fixedly connected to the subway contact rail 1, and the protective cover 2 can be rotated and reset through the connection between the torsion spring connecting shaft 111, the through slot 212 and the connection seat 11.
[0020] A clearance groove 211 is provided at the bottom of the protective side plate 21 , and the connecting seat 11 is located on the inner side of the clearance groove 211 ; the connecting seat 11 can be made to give way through the clearance groove 211 to avoid the connecting seat 11 interfering with the rotation of the protective cover 2 .
[0021] A plurality of elastic ropes 12 are arranged on both sides of the subway contact rail 1, and one end of the elastic rope 12 away from the subway contact rail 1 is fixedly connected to the inner side of the protective side plate 21; the elastic rope 12 is helpful to further ensure that the protective cover 2 can be rotated inward and reset after rotating outward.
[0022] A plurality of connecting grooves 223 are provided at the bottom of the protective top plate 22, and the ball 224 is movably connected inside the connecting grooves 223; by matching the sizes of the connecting grooves 223 and the ball 224, the position of the ball 224 can be fixed through the connecting grooves 223 without affecting the rolling of the ball 224.
[0023] The working principle and use process of the utility model are as follows: when the subway travels to the position of the protective top plate 22, through the contact between the traction boot and the top of the subway contact rail 1 and the curvature of the arc-shaped convex surface 221, the traction boot will push the protective top plate 22 to the two sides of the subway contact rail 1 as the subway travels, so that the protective cover 2 rotates outward to make way for the traction boot, and when the traction boot passes, the torsion spring connecting shaft 111 and the elastic rope 12 make the protective cover 2 rotate inward to continue to block the subway contact rail 1, and after several protective covers 2 rotate inward, several protective top plates 22 will complement each other, which is beneficial to ensure the protective effect of the protective cover 2, and at the same time will not interfere with the movement of the traction boot and the contact with the subway contact rail 1.
Claims
1. A subway traction power supply device, comprising a subway contact rail (1) for subway traction power supply, characterized in that: A plurality of protective covers (2) are rotatably connected to both sides of the subway contact rail (1) via a torsion spring connecting shaft (111). The protective covers (2) include protective side plates (21), protective top plates (22) and insulating layers (23). The protective top plates (22) are fixedly connected to the protective side plates (21), and the insulating layer (23) is located on the outer sides of the protective side plates (21) and the protective top plates (22). An arcuate convex surface (221) is provided on one side of the protective top plate (22), and an arcuate concave surface (222) is provided on the side of the protective top plate (22) away from the arcuate convex surface (221). The size of the arcuate concave surface (222) matches that of the arcuate convex surface (221). The plurality of protective covers (2) located on both sides of the subway contact rail (1) are staggered with each other, and a plurality of ball bearings (224) are provided on the bottom of the protective top plate (22).
2. A subway traction power supply device according to claim 1, characterized in that: A plurality of connection seats (11) are provided on both sides of the subway contact rail (1), a through slot (212) is provided at the bottom of the protective side plate (21), and the connection seat (11) and the through slot (212) are connected via the torsion spring connection shaft (111).
3. A subway traction power supply device according to claim 2, characterized in that: A clearance groove (211) is provided at the bottom of the protective side plate (21), and the connecting seat (11) is located inside the clearance groove (211).
4. A subway traction power supply device according to claim 3, characterized in that: A plurality of elastic ropes (12) are provided on both sides of the subway contact rail (1), and one end of the elastic rope (12) away from the subway contact rail (1) is fixedly connected to the inner side of the protective side plate (21).
5. A subway traction power supply device according to claim 4, characterized in that: A plurality of connecting grooves (223) are provided at the bottom of the protective top plate (22), and the balls (224) are movably connected inside the connecting grooves (223).