Protective alarm device for rail transit operation and maintenance

Abstract

The utility model provides a protection alarm device for rail transit operation and maintenance, which relates to the technical field of rail transit and comprises a rail guardrail, a shielding door is arranged in the rail guardrail, a protection alarm assembly is arranged on the front surface of the rail guardrail and comprises a sliding rail, and the sliding rail is arranged on the shielding door. A servo motor is connected to the side, close to the sliding rail, of the rail guardrail, a one-way screw rod is connected to the output end of the servo motor, a protection plate is connected to the surface of the one-way screw rod, a threaded hole is formed in the protection plate, and an alarm is connected to the surface of the protection plate; according to the rail transit shielding door, when the shielding door breaks down and cannot be closed, crew members can start the PLC control panel, so that the PLC control panel controls the alarm to give an alarm and starts the protection plate for protection, accidents are avoided, passengers are prevented from making direct contact with rail transit, and the safety of the passengers is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a protective alarm device used for rail transportation operation and maintenance. Background Art

[0002] Rail transit refers to a type of transportation vehicle or transportation system in which operating vehicles need to travel on specific tracks. With the development of technology, rail transit has become diversified and widely used in different fields.

[0003] Rail transit refers to the operation of various vehicles through rail systems. These vehicles can be traditional trains, subway trains, light rail trains, or new magnetic levitation trains, monorail trains, etc. Rail transit can be divided into many types according to the service scope, technical characteristics and operating environment. When rail transit fails, such as when a platform shield door fails, since passengers can have direct contact with rail transit, some human supervision will not be timely and will not be able to take into account the temporary isolation zone and report the occurrence of the fault. Therefore, there is a need for an auxiliary isolation protection alarm device that can be used when rail transit fails and requires operation and maintenance. Utility Model Content

[0004] The utility model mainly provides an auxiliary isolation alarm device which can have a protective effect.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a protective alarm device for rail transit operation and maintenance, comprising a rail guardrail, a shielding door is arranged inside the rail guardrail, a protective alarm component is arranged on the front surface of the rail guardrail, the protective alarm component comprises a slide rail, a servo motor is connected to the side of the rail guardrail close to the slide rail, a one-way screw is connected to the output end of the servo motor, a protective plate is connected to the surface of the one-way screw, a threaded hole is opened inside the protective plate, an alarm is connected to the surface of the protective plate, and a PLC control panel is connected to the lower end of the rail guardrail close to the slide rail.

[0006] Preferably, the PLC control panel is electrically connected to an external power supply via a control switch, and the PLC control panel is electrically connected to the alarm and the servo motor. After the PLC control panel is started, it can sound an alarm through the alarm to remind crew members and passengers and start the servo motor.

[0007] Preferably, the upper and lower end surfaces of the protective plate are in contact with the inner wall of the slide rail, and a sliding connection is formed between the protective plate and the slide rail. When the protective plate moves, the slide rail can improve the stability of the movement.

[0008] Preferably, the one-way screw is threadedly connected to the protective plate through the threaded hole, and the one-way screw can drive the protective plate to move by rotating the thread.

[0009] Preferably, a warning component is provided on the track guardrail just below the PLC control panel, and the warning component includes a warning plate, which can serve as a warning to remind passengers to pay attention to safety.

[0010] Preferably, the warning plate is provided with sockets at the four corners, bolts are inserted into the sockets, and the track guardrail is provided with threaded grooves at the four corners near the warning plate. The bolts pass through the sockets to form a threaded connection with the threaded grooves, and the warning plate can be disassembled, assembled and fixed by the bolts, which facilitates the replacement of the warning plate.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, when the screen door fails and cannot be closed, the crew can start the PLC control panel, so that the PLC control panel controls the alarm to sound an alarm and starts the protective plate for protection to avoid accidents and prevent passengers from direct contact with rail transit, thereby improving the safety of passengers.

[0013] 2. In the utility model, the warning plate can be disassembled and fixed by bolts, which facilitates the replacement of the warning plate and improves the overall practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional diagram of a protective alarm device for rail transit operation and maintenance is proposed for the utility model;

[0015] Figure 2 Another perspective view of a protective alarm device for rail transit operation and maintenance proposed by the utility model;

[0016] Figure 3 A partially exploded stereogram of a protective alarm device for rail transit operation and maintenance is proposed for the utility model;

[0017] Figure 4 The utility model provides an exploded stereogram of a warning plate of a protective alarm device for rail transit operation and maintenance.

[0018] Legend: 1. Track guardrail; 2. Shield door; 3. Protection alarm assembly; 301. Slide rail; 302. Servo motor; 303. One-way screw; 304. Protection plate; 305. Threaded hole; 306. Alarm; 307. PLC control panel; 4. Warning assembly; 401. Warning plate; 402. Socket; 403. Threaded groove; 404. Bolt. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] See also Figure 1-3 The utility model provides a technical solution: a protective alarm device for rail transit operation and maintenance, including a rail guardrail 1, a shielding door 2 is arranged inside the rail guardrail 1, a protective alarm component 3 is arranged on the front surface of the rail guardrail 1, the protective alarm component 3 includes a slide rail 301, a servo motor 302 is connected to the side of the rail guardrail 1 close to the slide rail 301, a one-way screw 303 is connected to the output end of the servo motor 302, a protective plate 304 is connected to the surface of the one-way screw 303, a threaded hole 305 is opened inside the protective plate 304, an alarm 306 is connected to the surface of the protective plate 304, and a PLC control panel 307 is connected to the lower end of the rail guardrail 1 close to the slide rail 301.

[0022] like Figure 1-3 As shown, the PLC control panel 307 is electrically connected to the external power supply through the control switch, and the PLC control panel 307 is electrically connected to the alarm 306 and the servo motor 302. After the PLC control panel 307 is started, it can send out an alarm through the alarm 306 to remind the crew and passengers, and start the servo motor 302.

[0023] like Figure 3 As shown, the upper and lower end surfaces of the protective plate 304 are in contact with the inner wall of the slide rail 301 , and a sliding connection is formed between the protective plate 304 and the slide rail 301 . When the protective plate 304 moves, the slide rail 301 can improve the stability of the movement.

[0024] like Figure 2 and Figure 3 As shown, the one-way screw 303 is threadedly connected to the protective plate 304 through the threaded hole 305, and the one-way screw 303 can drive the protective plate 304 to move by rotating the thread.

[0025] like Figure 4As shown, a warning component 4 is arranged just below the track guardrail 1 near the PLC control panel 307. The warning component 4 includes a warning plate 401. The warning plate 401 can serve as a warning to remind passengers to pay attention to safety.

[0026] like Figure 1 and Figure 4 As shown, the four corners of the warning plate 401 are provided with sockets 402, and bolts 404 are inserted into the inside of the sockets 402. The four corners of the track guardrail 1 near the warning plate 401 are provided with threaded grooves 403. The bolts 404 penetrate the sockets 402 and form a threaded connection with the threaded grooves 403. The warning plate 401 can be disassembled, assembled and fixed by the bolts 404, so that the warning plate 401 can be easily replaced.

[0027] The use method and working principle of the device are as follows: when the screen door 2 fails and cannot be closed, the crew can start the PLC control panel 307, so that the PLC control panel 307 can start the control alarm 306 to sound an alarm, and start the forward rotation function of the servo motor 302, so that the servo motor 302 can drive the one-way screw 303 to rotate forward through the output end, and then the one-way screw 303 can rotate with the protective plate 304 through the threaded hole 305, so that the protective plate 304 can move outward through the slide rail 301 and provide protection to avoid accidents and prevent passengers from intersecting with the track. Through direct contact, the safety of passengers is improved. After the fault is contacted, the PLC control panel 307 can be turned on to start the forward rotation function of the servo motor 302 to drive the one-way screw 303 to rotate forward, so that the protective plate 304 can move into the slide rail 301 and wait for the next use. The bolt 404 can be rotated in the reverse direction so that the bolt 404 can be taken out from the thread groove 403, thereby realizing the disassembly of the warning plate 401, and then the warning plate 401 can be replaced, and finally fixed by the bolt 404. By replacing different warning plates 401, different warning effects can be played, thereby improving the overall practicality.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A protective alarm device for rail transit operation and maintenance, comprising a rail guardrail (1), characterized in that: A shielding door (2) is arranged inside the track guardrail (1), and a protection alarm component (3) is arranged on the front surface of the track guardrail (1); The protection alarm component (3) comprises a slide rail (301); a servo motor (302) is connected to a side of the track guardrail (1) close to the slide rail (301); a one-way screw (303) is connected to the output end of the servo motor (302); a protection plate (304) is connected to the surface of the one-way screw (303); a threaded hole (305) is provided inside the protection plate (304); an alarm (306) is connected to the surface of the protection plate (304); and a PLC control panel (307) is connected to the lower end of the track guardrail (1) close to the slide rail (301).

2. A protective alarm device for rail transit operation and maintenance according to claim 1, characterized in that: The PLC control panel (307) is electrically connected to an external power source via a control switch, and the PLC control panel (307) is electrically connected to the alarm (306) and the servo motor (302).

3. A protective alarm device for rail transit operation and maintenance according to claim 2, characterized in that: The upper and lower end surfaces of the protection plate (304) are in contact with the inner wall of the slide rail (301), and a sliding connection is formed between the protection plate (304) and the slide rail (301).

4. A protective alarm device for rail transit operation and maintenance according to claim 3, characterized in that: The one-way screw rod (303) is threadedly connected to the protection plate (304) via the threaded hole (305).

5. The protective alarm device for rail transit operation and maintenance according to claim 1, characterized in that: A warning component (4) is arranged on the track guardrail (1) just below the PLC control panel (307), and the warning component (4) comprises a warning plate (401).

6. A protective alarm device for rail transit operation and maintenance according to claim 5, characterized in that: The warning plate (401) is provided with insertion holes (402) at four corners, bolts (404) are inserted into the insertion holes (402), and threaded grooves (403) are provided at four corners of the track guardrail (1) near the warning plate (401), and the bolts (404) penetrate the insertion holes (402) to form a threaded connection with the threaded grooves (403).

Images