Obstacle detection line mounting structure

By segmenting the obstacle detection line and using connectors at the joints, combined with current sensors and contact sensors, the problem of easy breakage of the detection line is solved, resulting in improved safety and reduced costs, while also having a simple and scalable structure.

CN223905044UActive Publication Date: 2026-02-13CRRC PUZHEN BOMBARDIER TRANSPORTATION SYST CO LTD
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Patent Information

Application Number
CN202520720007.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-02-13
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

In existing straddle-type monorail systems, the detection wires are prone to breakage due to train swaying, posing a risk of detachment. Furthermore, existing devices are complex in structure and expensive.

Method used

The obstacle detection line adopts a segmented structure and is connected by connectors. Each segment is approximately 450mm long. The connector is equipped with a current sensor and a contact sensor. When the connector breaks, it triggers an audible and visual alarm to prevent the detection line from coming into contact with the power supply rail.

Benefits of technology

It effectively prevents the detection line from breaking and falling off, reduces the risk of collision, simplifies the structure, reduces costs, and can be flexibly expanded without large-scale modifications when the length needs to be increased.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of obstacle detection lines, and particularly relates to an obstacle detection line mounting structure. The obstacle detection line mounting structure comprises a detection bus and a first mounting plate, first fixing structures are arranged at the two ends of the first mounting plate, the detection bus is arranged on the first fixing structures, a first mounting frame is arranged on the first mounting plate, and the first mounting frame is connected with the detection bus; binding belt holes are formed in the two ends of the first fixing plate, one end of a first binding belt penetrates through the binding belt holes, then a detection bus is fixed in the first binding belt, and the first binding belt is locked. The connection part of the terminals of the first detection line and the second detection line is not stressed, and the risk of fracture is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of obstacle detection line, specifically, the utility model relates to an obstacle detection line mounting structure. BACKGROUND

[0002] Straddle-type monorail system is a modern urban transportation mode, which is characterized by train directly sitting on the track beam running, with the advantages of small land occupation, low noise, short construction period and the like. However, this transportation mode also faces some technical challenges, one of which is how to effectively detect and handle obstacles on the track to ensure driving safety. Due to the sway of the train during operation, long-time sway will cause the detection line to break and exist the risk of falling off.

[0003] Chinese patent (publication number: 118025268A) discloses a kind of accompanying active track obstacle detection method, the method includes: obtaining train movement speed, and with train same speed same direction acquisition track line video image and three-dimensional point cloud;Track line video image and three-dimensional point cloud collected are handled analysis, according to analysis result, obstacle is detected and identified, and identification result is sent to train control system;The present application adopts accompanying active detection robot, synchronous travel is carried out along with train travel direction, and the front obstacle is detected, but the device structure is complex, and the cost is higher. UTILITY MODEL CONTENT

[0004] The utility model is carried out in order to solve the above-mentioned problem, the purpose is to provide a kind of obstacle detection line mounting structure of simple structure, prevent detection line breakage separation, in order to realize the above-mentioned purpose, the technical scheme that the utility model adopts is as follows: a kind of obstacle detection line mounting structure, including detection bus, including first mounting plate, the first mounting plate both ends are provided with first fixed structure, the detection bus is set on first fixed structure, first mounting plate is provided with first mounting bracket, and the first mounting bracket is connected with detection bus.

[0005] The first mounting bracket includes first fixed plate, the first fixed plate is connected with first mounting plate, and first fixed plate is provided with first cable tie, and the first cable tie is connected with detection bus.

[0006] The detection bus includes first detection line, second detection line and connector, and the first detection line and the second detection line are connected by the connector.

[0007] Current sensor and contact sensor are arranged in the connector, the current sensor is connected with PLC controller, and the PLC controller is connected with audible and visual alarm.

[0008] Second cable tie is arranged on the first fixed plate, and the second cable tie is connected with the connector.

[0009] The first fixing structure includes a fixing frame, a second mounting plate is connected to the first mounting plate, the fixing frame is connected to the second mounting plate, and a third cable tie is provided on the fixing frame, which is connected to the detection bus.

[0010] The fixing frame includes a first connecting plate, a second connecting plate, a third connecting plate, and bolts. The first connecting plate and the second connecting plate are connected by the third connecting plate, and the first connecting plate is connected to the first mounting plate by bolts.

[0011] A washer is provided between the bolt and the first mounting plate.

[0012] The probe bus is covered with heat shrink tubing.

[0013] The technical advantages of this invention are as follows: By segmenting the detection bus and connecting it with connectors, the connectors are more easily broken than cables upon impact. With each segment approximately 450mm long, and theoretically, the detection bus is about 540mm from the power rail, this avoids the risk of the detection bus breaking at the connector and coming into contact with the power rail in the event of a vehicle collision. If the length or coverage of the detection bus needs to be increased, only new detection lines need to be added and connected via connectors, without requiring large-scale modifications to the existing system.

[0014] When the connector breaks, the current sensor detects a sudden drop in current, the contact sensor pressure returns to zero, the PLC controller receives signals from the current sensor and the contact sensor, and the PLC controller transmits the signals to the audible and visual alarm, which then sounds an alarm. Attached Figure Description

[0015] This manual includes the following figures, which illustrate the following:

[0016] Figure 1 This is an overall structural diagram of an obstacle detection line installation structure according to this utility model;

[0017] Figure 2 This utility model relates to an obstacle detection line mounting structure. Figure 1 Enlarged view of point A in the middle.

[0018] The following are labeled in the diagram: 1. Detection bus; 101. First detection line; 102. Second detection line; 103. Connector; 2. First mounting plate; 3. First fixing structure; 301. Second mounting plate; 302. Third cable tie; 31. Fixing bracket; 311. First connecting plate; 312. Second connecting plate; 313. Third connecting plate; 314. Bolt; 4. First mounting bracket; 401. First fixing plate; 402. First cable tie; 5. Second cable tie; 6. Pad. DETAILED DESCRIPTION

[0019] The specific embodiments of the present application will be further described in details with reference to the drawings, and the purpose is to help the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present application, and to help its implementation.

[0020] As Figures 1-2 shown, an obstacle detection line installation structure, comprising a detection bus 1, comprising a first mounting plate 2, the first mounting plate 2 is provided with a first fixing structure 3 at both ends, the detection bus 1 is arranged on the first fixing structure 3, the first mounting plate 2 is provided with a first mounting bracket 4, the first mounting bracket 4 is connected with the detection bus 1. The first mounting plate 2 is connected with the rail car, the first fixing structure 3 is connected with the first mounting plate 2, which is used for fixing the detection bus 1 at both ends of the first mounting plate 2, the first mounting bracket 4 is connected at the middle position of the first mounting plate 2, which fixes the middle position of the detection bus 1, can reduce the stress at the terminal connection of the first detection line 101 and the second detection line 102, and avoid the fracture separation of the terminal connection of the first detection line 101 and the second detection line 102.

[0021] The first mounting bracket 4 comprises a first fixing plate 401, the first fixing plate 401 is connected with the first mounting plate 2, the first fixing plate 401 is provided with a first cable tie 402, the first cable tie 402 is connected with the detection bus 1. The first fixing plate 401 is provided with a cable tie hole at both end positions, by passing one end of the first cable tie 402 through the cable tie hole, then fixing the detection bus 1 in the first cable tie 402, locking the first cable tie 402. The middle position of the detection bus 1 can be fixed. The terminal connection of the first detection line 101 and the second detection line 102 is not stressed, and the risk of fracture is reduced.

[0022] The detection bus 1 comprises a first detection line 101, a second detection line 102 and a connector 103, the first detection line 101 and the second detection line 102 are connected through the connector 103. The first detection line 101 and the second detection line 102 are connected through the terminal, the detection bus 1 is arranged in sections, the connection is connected by the connector 103, the connector 103 is more likely to break than the cable after being hit, the detection bus 1 is divided into two sections, each section is about 450mm in length, and the detection bus 1 is theoretically about 540mm away from the power rail. In this way, the risk of the detection bus 1 contacting the power rail after the fracture at the connector 103 after the real collision of the vehicle can be avoided. If it is necessary to increase the length or coverage range of the detection bus 1, only new detection lines need to be added and connected through the connector 103, without the need for large-scale modification of the existing system.

[0023] The first fixed plate 401 is provided with a second cable tie 5 connected with the connector 103. A cable tie hole is formed in the middle of the first fixed plate 401, and one end of the second cable tie 5 passes through the cable tie hole to fix and connect the connector 103 on the first fixed plate 401, avoiding the shaking of the train during operation, which may cause the detection line to break and fall off. The connector 103 can immediately cut off the power when an obstacle is detected, preventing the equipment from continuing to run, reducing the risk of collision, and improving safety. The simple and flexible composition structure can fix the touch stop line without causing the terminal connection of the first detection line 101 and the second detection line 102 to break due to long-term shaking.

[0024] The connector 103 is provided with a current sensor and a contact sensor, the current sensor is connected with a PLC controller, and the PLC controller is connected with an audible and visual alarm. When the connector 103 is broken, the current sensor detects a sudden drop in current, the contact sensor pressure returns to zero, the PLC controller receives the signals of the current sensor and the contact sensor, the PLC controller transmits the signals to the audible and visual alarm, and the audible and visual alarm alarms.

[0025] The first fixed structure 3 includes a fixed frame 31, the first mounting plate 2 is connected with a second mounting plate 301, the fixed frame 31 is connected with the second mounting plate 301, and the fixed frame 31 is provided with a third cable tie 302 connected with the detection bus 1. The fixed frame 31 is bolted with the second mounting plate 301, the second mounting plate 301 is provided with a cable tie hole, one end of the third cable tie 302 passes through the cable tie hole, and the detection bus 1 is fixed in the third cable tie 302. The end of the detection bus 1 can be fixed, and the end of the detection bus 1 has a margin to ensure that the terminal connection of the first detection line 101 and the second detection line 102 is not stressed.

[0026] The fixed frame 31 includes a first connecting plate 311, a second connecting plate 312, a third connecting plate 313 and a bolt 314, the first connecting plate 311 and the second connecting plate 312 are connected through the third connecting plate 313, and the first connecting plate 311 is connected with the first mounting plate 2 through the bolt 314. The first connecting plate 311, the second connecting plate 312 and the third connecting plate 313 are integrally formed, the first connecting plate 311 is connected with the first mounting plate 2 through the bolt, the third connecting plate 313 is used for connecting the first connecting plate 311 and the second connecting plate 312, and the second connecting plate 312 is used for connecting the third cable tie 302.

[0027] The bolt 314 is provided with a backing plate 6 between the first mounting plate 2. The backing plate 6 prevents the plate from being crushed by the bolt pre-tightening force, and has the functions of anti-loosening and anti-corrosion.

[0028] The detection bus 1 is sleeved with a heat shrink tube. The detection bus 1 is normally sleeved with a common heat shrink tube to protect the detection bus 1, and the end of the detection bus 1 is sleeved with a heat shrink tube of hot melt adhesive.

[0029] Effects of the embodiments

[0030] The detection bus 1 is segmented, and the connectors 103 are used to connect the segments. The connectors 103 are more likely to break than the cable after being impacted. After the detection bus 1 is segmented into two segments, each segment has a length of about 450 mm, and the detection bus 1 is theoretically about 540 mm away from the power rail. In this way, the risk that the detection bus 1 contacts the power rail after the connectors 103 are broken after a real collision of the vehicle is avoided. If it is necessary to increase the length or coverage range of the detection bus 1, new detection lines can be added and connected through the connectors 103, without the need to make large-scale modifications to the existing system.

[0031] When the connectors 103 are broken, the current sensor detects a sudden drop in current, the contact sensor pressure is zero, the PLC controller receives the signals of the current sensor and the contact sensor, the PLC controller transmits the signals to the audible and visual alarm, and the audible and visual alarm alarms.

[0032] The utility model is described above with reference to the drawings. Apparently, the specific implementation of the utility model is not limited by the above method. As long as various non-essential improvements are made by using the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An obstacle detection wire mounting structure comprising a detection bus (1), characterized by, The utility model provides a detection bus fixing device, including first mounting plate (2), first mounting plate (2) both ends are provided with first fixed structure (3), detection bus (1) sets up on first fixed structure (3), first mounting plate (2) is provided with first mounting frame (4), first mounting frame (4) is connected with detection bus (1).

2. The obstacle detection wire mounting structure according to claim 1, characterized by: The first mounting frame (4) includes a first fixing plate (401) connected with the first mounting plate (2), and a first cable tie (402) is arranged on the first fixing plate (401) and connected with the detection bus (1).

3. The obstacle detection wire mounting structure according to claim 1, characterized by: The detection bus (1) includes a first detection line (101), a second detection line (102), and a connector (103), the first detection line (101) and the second detection line (102) are connected through the connector (103).

4. The obstacle detection wire mounting structure according to claim 3, characterized by: The connector (103) is provided with a current sensor and a contact sensor, the current sensor is connected with a PLC controller, and the PLC controller is connected with an audible and visual alarm.

5. The obstacle detection wire mounting structure according to claim 2, characterized by: The first fixing plate (401) is provided with a second cable tie (5) connected with the connector (103).

6. The obstacle detection wire mounting structure according to claim 1, characterized by: The first fixed structure (3) includes a fixing frame (31), the first mounting plate (2) is connected with a second mounting plate (301), the fixing frame (31) is connected with the second mounting plate (301), the fixing frame (31) is provided with a third cable tie (302) connected with the detection bus (1).

7. The obstacle detection wire mounting structure according to claim 6, characterized by: The fixing frame (31) includes a first connecting plate (311), a second connecting plate (312), a third connecting plate (313), and a bolt (314), the first connecting plate (311) and the second connecting plate (312) are connected through the third connecting plate (313), and the first connecting plate (311) is connected with the first mounting plate (2) through the bolt (314).

8. The obstacle detection wire mounting structure according to claim 7, characterized by: The bolt (314) is provided with a backing plate (6) between the first mounting plate (2).

9. The obstacle detection wire mounting structure according to any one of claims 1 to 8, characterized by: The detection bus (1) is sleeved with a heat shrink tube.

Citation Information

Patent Citations

  • Accompanying active track obstacle detection method and device

    CN118025268A