Space-adjustable metro vehicle low-voltage wire duct
By designing an adjustable low-voltage cable tray structure, the electromagnetic interference problem between cables in subway vehicles was solved, achieving effective isolation between cables and improving space utilization, thus ensuring the stability of system functions and the safety of wires.
Patent Information
- Application Number
- CN202423167376.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-20
AI Technical Summary
The lack of barriers between the two types of cables inside the low-voltage cable trays of subway vehicles leads to a high risk of electromagnetic interference, affecting the normal operation of the system.
A space-adjustable low-voltage cable trough for subway vehicles was designed. A rotating motor drives a rotating rod, which in turn moves a lead screw and a slider to adjust the spacing between the gaps. A gear transmission system is used to move the partitions, toothed plates, and cable trough covers, thereby enhancing the isolation effect between cables.
It effectively reduces electromagnetic interference, improves space utilization and system stability, protects wires from damage, and enhances environmental cleanliness.
Smart Images

Figure CN223693597U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to subway vehicle technical field, concretely is a space adjustable subway vehicle low voltage wire duct. BACKGROUND
[0002] With the development of economy and social progress, the demand for subway vehicles is increasing, and the rail train industry is also constantly advancing. Not only through improving service and train functionality to improve the passenger's riding experience and comfort, but also optimizing the mechanical structure of each system component of the train, simplifying the complex structure of multiple components into a whole, better realizing production, transportation and functionality, facilitating later maintenance, and more importantly, reducing the accident rate caused by non-standard operation. The low-voltage wire duct outside the car is connected to the passenger room, the driver's room, the underframe equipment and the bogie, which is the key hub of wiring.
[0003] At present, most of the low-voltage wire ducts of subway vehicles on the market do not have a partition between the two types of cables inside, although they are laid at a distance apart, but the risk of mutual electromagnetic interference is still great, mutual interference in electromagnetic compatibility, thereby affecting the normal work of each system function, therefore, a new type of space adjustable subway vehicle low voltage wire duct is needed. SUMMARY
[0004] The utility model discloses a space adjustable subway vehicle low voltage wire duct, to solve the problem that the two types of cables inside the low voltage wire duct of subway vehicle are not partitioned in the above background technology, although they are laid at a distance apart, but the risk of mutual electromagnetic interference is still great, mutual interference in electromagnetic compatibility, thereby affecting the normal work of each system function. In order to achieve the above purpose, the utility model provides the following technical scheme: a space adjustable subway vehicle low voltage wire duct, comprising a base, the inner bottom wall of the base is fixedly connected with the bottom of the rotating mechanism, the outer wall of one end of the rotating mechanism is in transmission connection with the outer wall of one end of the adjusting mechanism, the rotating mechanism is composed of a motor base, a rotating motor and a rotating rod, the adjusting mechanism comprises two lead screws, two sliding blocks, two movable partitions and a toothed plate.
[0005] The inner side wall of the adjusting mechanism is in meshing connection with the outer side wall of the transmission mechanism, the outer wall of one end of the transmission mechanism is in transmission connection with the outer wall of one end of the turnover mechanism through bevel gears, the transmission mechanism is composed of a toothed shaft, a transmission rod, a fixed block, a transmission rod, a support block, a connecting rod and a stabilizing block, the turnover mechanism comprises a rotating rod, two mounting blocks and a wire duct cover plate.
[0006] Preferably, the base comprises a bottom plate, a wire slot body, a grounding block and two fixed partitions, the top of the bottom plate is fixedly connected with the bottom of the wire slot body, one side of the wire slot body is fixedly connected with one side of the grounding block, and the top of the wire slot body is fixedly connected with the bottom of the two fixed partitions.
[0007] Preferably, the bottom of the motor base is fixedly connected with the inner bottom wall of the wire slot body, and the inner wall of the motor base is fixedly connected with the outer wall of the rotating motor, one end of the rotating motor is fixedly connected with one end of the rotating rod through a shaft coupling, and the outer wall of the other end of the rotating rod is provided with a bevel gear.
[0008] Preferably, the outer wall of one end of the two lead screws is provided with a bevel gear, the outer wall of one end of the two lead screws is in transmission connection with the outer wall of one end of the rotating rod through the bevel gear, the outer wall of the two lead screws is in threaded connection with the inner wall of the two sliding blocks, the top of the two sliding blocks is fixedly connected with the bottom of the two movable partitions, and one side of one of the two movable partitions is fixedly connected with one side of the toothed plate.
[0009] Preferably, the outer side wall of the gear shaft is in meshing connection with the inner side wall of the toothed plate, the inner wall of the gear shaft is fixedly connected with the outer wall of the transmission rod, the outer wall of the transmission rod is in rotary connection with the inner wall of the fixed block, one side of the fixed block is fixedly connected with one side of the wire slot body, the outer walls of both ends of the transmission rod are provided with bevel gears, the outer wall of one end of the transmission rod is in transmission connection with the outer wall of one end of the transmission rod through the bevel gear, the outer wall of the transmission rod is in rotary connection with the inner wall of the supporting block, one side of the supporting block is fixedly connected with one side of the wire slot body, the outer walls of both ends of the connecting rod are provided with bevel gears, the outer wall of the other end of the transmission rod is in transmission connection with the outer wall of one end of the connecting rod through the bevel gear, the outer wall of the connecting rod is in rotary connection with the inner wall of the stabilizing block, and one side of the stabilizing block is fixedly connected with one side of the wire slot body.
[0010] Preferably, the outer wall of one end of the rotating rod is provided with a bevel gear, the outer wall of one end of the rotating rod is in transmission connection with the outer wall of one end of the connecting rod through the bevel gear, the outer walls close to both ends of the rotating rod are in rotary connection with the inner walls of the two mounting blocks, the bottom of the two mounting blocks is fixedly connected with the top of the wire slot body, and the outer wall of the rotating rod is fixedly connected with the inner wall of the wire slot cover plate.
[0011] Compared with the prior art, the utility model has the advantages of:
[0012] In the utility model, the rotating motor is started, the rotating motor drives the rotating rod to rotate, the rotating rod drives the lead screw to rotate through the bevel gear, the rotating lead screw drives the sliding block to move oppositely, the oppositely moving sliding block drives the movable partition to move oppositely, thereby the interval of the partition can be adjusted, the flexibility is enhanced, the space utilization is improved, the electromagnetic interference problem between different voltage grades is avoided, and the normal work of each system function is ensured.
[0013] The utility model discloses, mobile baffle opposite movement drive tooth board horizontal motion, and transmission rod rotates through the meshing of tooth board and tooth shaft, and the transmission rod rotates through bevel gear and drive transmission rod and connecting rod rotate, and the connecting rod rotates through bevel gear and drive rotary rod rotate, and the rotary rod rotates drive line groove cover plate rotate around the axle center, thereby can improve security, promote environmental neatness, protect the wire from being damaged. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the whole structure schematic diagram of the utility model;
[0015] Figure 2 It is the utility model's sectional view;
[0016] Figure 3 It is the utility model's explosion map.
[0017] In the drawing: 1, base; 101, bottom plate; 102, line groove body; 103, grounding block; 104, fixed baffle; 2, rotating mechanism; 201, motor base; 202, rotating motor; 203, rotating rod; 3, adjusting mechanism; 301, screw rod; 302, sliding block; 303, mobile baffle; 304, tooth plate; 4, transmission mechanism; 401, tooth shaft; 402, transmission rod; 403, fixed block; 404, transmission rod; 405, support block; 406, connecting rod; 407, stabilizing block; 5, turnover mechanism; 501, rotary rod; 502, mounting block; 503, line groove cover plate. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor fall within the scope of the utility model.
[0019] Please refer to Figures 1 to 3 The utility model provides a kind of technical scheme: a space adjustable subway vehicle low-voltage wire duct, including base 1, the inner bottom wall of base 1 is fixedly connected with the bottom of rotating mechanism 2, the outer wall of rotating mechanism 2 one end is in transmission with the outer wall of adjusting mechanism 3 one end, rotating mechanism 2 is composed of motor base 201, rotating motor 202 and rotating rod 203, adjusting mechanism 3 includes two screw rods 301, two sliding blocks 302, two mobile baffles 303 and tooth plate 304;
[0020] The inner side wall of the adjusting mechanism 3 is in meshing connection with the outer side wall of the transmission mechanism 4, the outer wall at one end of the transmission mechanism 4 is in transmission connection with the outer wall at one end of the turnover mechanism 5 through a bevel gear, the transmission mechanism 4 is composed of a gear shaft 401, a transmission rod 402, a fixed block 403, a transmission rod 404, a support block 405, a connecting rod 406 and a stabilizing block 407, and the turnover mechanism 5 comprises a rotating rod 501, two mounting blocks 502 and a wire slot cover plate 503.
[0021] In the embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the base 1 comprises a bottom plate 101, a wire slot body 102, a grounding block 103 and two fixed partition plates 104, the top of the bottom plate 101 is fixedly connected with the bottom of the wire slot body 102, one side of the wire slot body 102 is fixedly connected with one side of the grounding block 103, and the top of the wire slot body 102 is fixedly connected with the bottom of the two fixed partition plates 104 respectively, and the grounding block 103 plays a role of safety protection.
[0022] In the embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the bottom of the motor seat 201 is fixedly connected with the inner bottom wall of the wire slot body 102, and the inner wall of the motor seat 201 is fixedly connected with the outer wall of the rotating motor 202, one end of the rotating motor 202 is fixedly connected with one end of the rotating rod 203 through a shaft coupling, and the outer wall of the other end of the rotating rod 203 is provided with a bevel gear, and the rotating motor 202 is started to drive the rotating rod 203 to rotate.
[0023] In the embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the outer wall of one end of the two lead screws 301 is respectively provided with a bevel gear, the outer wall of one end of the two lead screws 301 is in transmission connection with the outer wall of one end of the rotating rod 203 through the bevel gears, the outer wall of the two lead screws 301 is respectively in threaded connection with the inner wall of the two sliding blocks 302, the top of the two sliding blocks 302 is respectively fixedly connected with the bottom of the two movable partition plates 303, one side of one of the two movable partition plates 303 is fixedly connected with one side of the toothed plate 304, the rotating rod 203 is driven to rotate through the bevel gears to drive the lead screw 301 to rotate, the rotating lead screw 301 drives the sliding block 302 to move oppositely, the oppositely moving sliding block 302 drives the movable partition plate 303 to move oppositely, so that the interval of the partition plates can be adjusted, the flexibility is enhanced, the space utilization is improved, the electromagnetic interference problem between different voltage grades is avoided, and the movable partition plate 303 drives the toothed plate 304 to move horizontally.
[0024] In the embodiment, as shown in Figure 1 , Figure 2 and Figure 3As shown, the outer wall of the gear shaft 401 is meshed with the inner wall of the gear plate 304, and the inner wall of the gear shaft 401 is fixedly connected with the outer wall of the transmission rod 402, the outer wall of the transmission rod 402 is rotatably connected with the inner wall of the fixed block 403, one side of the fixed block 403 is fixedly connected with one side of the wire slot body 102, the outer walls of both ends of the transmission rod 404 are provided with bevel gears, and the outer wall of one end of the transmission rod 402 is in transmission connection with the outer wall of one end of the transmission rod 404 through the bevel gears, the outer wall of the transmission rod 404 is rotatably connected with the inner wall of the supporting block 405, and one side of the supporting block 405 is fixedly connected with one side of the wire slot body 102, the outer walls of both ends of the connecting rod 406 are provided with bevel gears, and the outer wall of the other end of the transmission rod 404 is in transmission connection with the outer wall of one end of the connecting rod 406 through the bevel gears, the outer wall of the connecting rod 406 is rotatably connected with the inner wall of the stabilizing block 407, and one side of the stabilizing block 407 is fixedly connected with one side of the wire slot body 102, the transmission rod 402 is rotated through the meshing of the gear plate 304 and the gear shaft 401, and the rotating transmission rod 402 drives the transmission rod 404 and the connecting rod 406 to rotate through the bevel gears.
[0025] In this embodiment, as shown in Figure 1 、 Figure 2 and Figure 3 , the outer wall of one end of the rotating rod 501 is provided with a bevel gear, and the outer wall of one end of the rotating rod 501 is in transmission connection with the outer wall of one end of the connecting rod 406 through the bevel gear, the outer walls near both ends of the rotating rod 501 are rotatably connected with the inner walls of two mounting blocks 502 respectively, and the bottoms of the two mounting blocks 502 are fixedly connected with the top of the wire slot body 102, the outer wall of the rotating rod 501 is fixedly connected with the inner wall of the wire slot cover plate 503, the rotating connecting rod 406 drives the rotating rod 501 to rotate through the bevel gear, and the rotating rotating rod 501 drives the wire slot cover plate 503 to rotate around the axis, so that the safety can be improved, the environmental cleanliness can be improved, and the electric wire can be protected from being damaged.
[0026] The use method and advantages of the space-adjustable subway vehicle low-voltage wire slot are as follows:
[0027] As shown in Figure 1 、 Figure 2 and Figure 3As shown, by starting the rotating motor 202, the rotating motor 202 rotates to drive the rotating rod 203 to rotate, the rotating rod 203 rotates to drive the screw rod 301 to rotate through the bevel gear, the rotating screw rod 301 drives the sliding block 302 to move oppositely, the oppositely moving sliding block 302 drives the moving partition plate 303 to move oppositely, so that the interval of the partition can be adjusted, the flexibility is enhanced, the space utilization is improved, the electromagnetic interference problem between different voltage grades is avoided, the normal work of each system function is ensured, the moving partition plate 303 drives the toothed plate 304 to move horizontally, the transmission rod 402 rotates through the meshing of the toothed plate 304 and the tooth shaft 401, the rotating transmission rod 402 drives the transmission rod 404 and the connecting rod 406 to rotate through the bevel gear, the rotating connecting rod 406 drives the rotating rod 501 to rotate through the bevel gear, and the rotating rotating rod 501 drives the wire slot cover plate 503 to rotate around the shaft, so that the safety can be improved, the environmental cleanliness is improved, and the electric wire is protected from being damaged.
[0028] The basic principle, main features and advantages of the utility model are shown and described above. The technical personnel in the industry should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A space-adjustable low-voltage trunk for a subway vehicle, comprising a base (1), characterized in that: The inner bottom wall of the base (1) is fixedly connected with the bottom of the rotating mechanism (2), the outer wall of one end of the rotating mechanism (2) is in transmission connection with the outer wall of one end of the adjusting mechanism (3), the rotating mechanism (2) is composed of a motor base (201), a rotating motor (202) and a rotating rod (203), the adjusting mechanism (3) comprises two lead screws (301), two sliding blocks (302), two movable partition plates (303) and a toothed plate (304). The inner side wall of the adjusting mechanism (3) is in meshing connection with the outer side wall of the transmission mechanism (4), the outer wall of one end of the transmission mechanism (4) is in transmission connection with the outer wall of one end of the overturning mechanism (5) through bevel gears, the transmission mechanism (4) is composed of a toothed shaft (401), a transmission rod (402), a fixed block (403), a transmission rod (404), a supporting block (405), a connecting rod (406) and a stabilizing block (407), the overturning mechanism (5) comprises a rotating rod (501), two mounting blocks (502) and a wire slot cover plate (503).
2. The space adjustable low-voltage trunk of the subway vehicle according to claim 1, characterized in that: The base (1) comprises a bottom plate (101), a wire slot body (102), a grounding block (103) and two fixed partition plates (104), the top of the bottom plate (101) is fixedly connected with the bottom of the wire slot body (102), one side of the wire slot body (102) is fixedly connected with one side of the grounding block (103), and the top of the wire slot body (102) is fixedly connected with the bottom of the two fixed partition plates (104) respectively.
3. The space adjustable low-voltage trunk of the subway vehicle according to claim 2, characterized in that: The bottom of the motor base (201) is fixedly connected with the inner bottom wall of the wire slot body (102), and the inner wall of the motor base (201) is fixedly connected with the outer wall of the rotating motor (202), one end of the rotating motor (202) is fixedly connected with one end of the rotating rod (203) through a shaft coupling, and the outer wall of the other end of the rotating rod (203) is provided with a bevel gear.
4. The space adjustable low-voltage trunk of the subway vehicle according to claim 3, characterized in that: The outer wall of one end of the two lead screws (301) is respectively provided with a bevel gear, the outer wall of one end of the two lead screws (301) is in transmission connection with the outer wall of one end of the rotating rod (203) through the bevel gears, the outer walls of the two lead screws (301) are respectively in threaded connection with the inner walls of the two sliding blocks (302), and the tops of the two sliding blocks (302) are respectively fixedly connected with the bottoms of the two movable partition plates (303), and one side of one of the two movable partition plates (303) is fixedly connected with one side of the toothed plate (304).
5. The space adjustable low-voltage trunk of the subway vehicle according to claim 4, characterized in that: The outer wall of the gear shaft (401) is engaged with the inner wall of the gear plate (304), and the inner wall of the gear shaft (401) is fixedly connected with the outer wall of the transmission rod (402), the outer wall of the transmission rod (402) is rotatably connected with the inner wall of the fixed block (403), one side of the fixed block (403) is fixedly connected with one side of the wire slot body (102), the outer walls of both ends of the transmission rod (404) are provided with bevel gears, and the outer wall of one end of the transmission rod (402) is in transmission connection with the outer wall of one end of the transmission rod (404) through the bevel gears, the outer wall of the transmission rod (404) is rotatably connected with the inner wall of the supporting block (405), and one side of the supporting block (405) is fixedly connected with one side of the wire slot body (102), the outer walls of both ends of the connecting rod (406) are provided with bevel gears, and the outer wall of the other end of the transmission rod (404) is in transmission connection with the outer wall of one end of the connecting rod (406) through the bevel gears, the outer wall of the connecting rod (406) is rotatably connected with the inner wall of the stabilizing block (407), and one side of the stabilizing block (407) is fixedly connected with one side of the wire slot body (102).
6. The space adjustable low-voltage trunk of the subway vehicle according to claim 5, characterized in that: The outer wall of one end of the rotating rod (501) is provided with a bevel gear, and the outer wall of one end of the rotating rod (501) is in transmission connection with the outer wall of one end of the connecting rod (406) through the bevel gear, the outer walls close to both ends of the rotating rod (501) are rotatably connected with the inner walls of two mounting blocks (502) respectively, and the bottoms of the two mounting blocks (502) are fixedly connected with the top of the wire slot body (102), and the outer wall of the rotating rod (501) is fixedly connected with the inner wall of the wire slot cover plate (503).