Urban rail transit passenger information system testing device

Abstract

The utility model discloses an urban rail transit passenger information system testing device which comprises a system testing device body, the rear surface of the system testing device body is fixedly connected with a bottom plate, the upper surface of the bottom plate is fixedly connected with a supporting rod, the upper surface of the supporting rod is fixedly connected with a first clamping block, and the upper surface of the first clamping block is fixedly connected with a second clamping block. The upper surface of the first clamping block is movably connected with a second clamping block, the upper surface of the second clamping block is fixedly connected with a pull rod, the upper surface of the pull rod is fixedly connected with a limiting block, the lower surface of the limiting block is movably connected with a balancing weight, and the lower surface of the balancing weight is movably connected with a rotating plate; by arranging the rotating plate, the supporting rod, the first clamping block, the pull rod, the balancing weight, the limiting block, the spring and the second clamping block, the connecting line is clamped, the connecting line is prevented from loosening, meanwhile, the fixing end of the connecting line is kept perpendicular to the wiring port, pulling of the bent connecting line is reduced, and the mounting stability of the connecting line is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of urban rail transit passenger information systems, in particular to an urban rail transit passenger information system testing device. Background Art

[0002] The existing urban rail transit passenger information system test device adopts double-row LED display lights by setting up the network cable test module. The network cable line sequence LED-1 indicator row lights and the network cable line sequence LED-2 indicator row lights are used to display the line sequence connection status. The RJ-45-1 port and the RJ-45-2 port are used to access the test RJ-45 network cable crystal head. The network cable can be tested and calibrated through the network cable tester switch.

[0003] Due to the large number of wiring, loose wiring will cause abnormal heating of the equipment, causing the device to malfunction and reducing the service life of the device. After searching, it was found that the technical solution provided by the utility model with application number CN202223582295.7 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a test device for an urban rail transit passenger information system. The device clamps the connecting wire by setting a rotating plate, a support rod, a first clamping block, a pull rod, a counterweight block, a limit block, a spring and a second clamping block to prevent the connecting wire from loosening while keeping the fixed end of the connecting wire vertical to the wiring port, reducing the pulling at the bending connection point and improving the stability of the connecting wire installation.

[0005] To achieve the above-mentioned purpose, the utility model also provides a test device for a passenger information system of urban rail transit, comprising: a system test device body, a rear surface of the system test device body is fixedly connected to a base plate, an upper surface of the base plate is fixedly connected to a support rod, an upper surface of the support rod is fixedly connected to a first clamping block, an upper surface of the first clamping block is movably connected to a second clamping block, an upper surface of the second clamping block is fixedly connected to a pull rod, an upper surface of the pull rod is fixedly connected to a limit block, a lower surface of the limit block is movably connected to a counterweight block, a lower surface of the counterweight block is movably connected to a rotating plate, a front surface of the rotating plate is fixedly connected to a damping shaft, and a lower surface of the rotating plate is fixedly connected to a spring. By arranging the rotating plate, the support rod, the first clamping block, the pull rod, the counterweight block, the limit block, the spring, and the second clamping block, the connecting line is clamped to prevent the connecting line from loosening while keeping the fixed end of the connecting line vertical to the wiring port, reducing the pulling at the bending connection point, and improving the stability of the connecting line installation.

[0006] According to the urban rail transit passenger information system test device, a heat dissipation net is provided on the left surface of the system test device body, and the inner surface of the counterweight block is slidably connected to the pull rod.

[0007] According to the urban rail transit passenger information system test device, the outer surface of the damping shaft is rotatably connected to the system test device body, and one end of the spring away from the rotating plate is fixedly connected to the second clamping block.

[0008] According to the urban rail transit passenger information system test device, the inner surface of the turn plate is slidably connected to the pull rod, and the front surface of the turn plate is rotationally connected to the system test device body.

[0009] According to the urban rail transit passenger information system test device, a connector is movably connected to the rear surface of the system test device body, and a connecting wire is fixedly connected to the rear surface of the connector.

[0010] According to the urban rail transit passenger information system testing device, the outer surface of the connecting line is movably connected to the first clamping block, and the outer surface of the connecting line is movably connected to the second clamping block.

[0011] According to the urban rail transit passenger information system testing device, the first clamping block is made of rubber, and the second clamping block is made of rubber, which plays the role of increasing friction and insulation.

[0012] According to the urban rail transit passenger information system testing device, the system testing device body is electrically connected to an external power supply.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is an overall structural diagram of a test device for an urban rail transit passenger information system of the utility model;

[0016] Figure 2 for Figure 1 A magnified view of the structure at center A;

[0017] Figure 3 This is a partial structural diagram of a test device for an urban rail transit passenger information system of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the use of a test device for an urban rail transit passenger information system.

[0019] Legend:

[0020] 1. System test device body; 2. Heat dissipation net; 3. Bottom plate; 4. Support rod; 5. First clamping block; 6. Turntable; 7. Pull rod; 8. Counterweight block; 9. Limit block; 10. Spring; 11. Second clamping block; 12. Connector; 13. Connecting wire; 14. Damping shaft. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a test device for a passenger information system of urban rail transit, which includes: a system test device body 1, the system test device body 1 is electrically connected to an external power supply, a heat dissipation net 2 is arranged on the left surface of the system test device body 1, a bottom plate 3 is fixedly connected to the rear surface of the system test device body 1, a support rod 4 is fixedly connected to the upper surface of the bottom plate 3, a first clamping block 5 is fixedly connected to the upper surface of the support rod 4, the first clamping block 5 is made of rubber, the upper surface of the first clamping block 5 is movably connected to the second clamping block 11, the upper surface of the second clamping block 11 is fixedly connected to a pull rod 7, the upper surface of the pull rod 7 is fixedly connected to a limit block 9, the lower surface of the limit block 9 is movably connected to a counterweight block 8, and the inner surface of the counterweight block 8 slides with the pull rod 7 The lower surface of the counterweight block 8 is movably connected with a rotating plate 6, the inner surface of the rotating plate 6 is slidably connected with the pull rod 7, the front surface of the rotating plate 6 is rotatably connected with the system test device body 1, the front surface of the rotating plate 6 is fixedly connected with a damping shaft 14, the outer surface of the damping shaft 14 is rotatably connected with the system test device body 1, the lower surface of the rotating plate 6 is fixedly connected with a spring 10, the end of the spring 10 away from the rotating plate 6 is fixedly connected with the second clamping block 11, the material of the second clamping block 11 is rubber, the rear surface of the system test device body 1 is movably connected with a connecting head 12, the rear surface of the connecting head 12 is fixedly connected with a connecting line 13, the outer surface of the connecting line 13 is movably connected with the first clamping block 5, and the outer surface of the connecting line 13 is movably connected with the second clamping block 11.

[0023] Working principle: The system test device body 1 is specifically a test device for the urban rail transit passenger information system, which is the existing technology. A heat dissipation net 2 is installed on the left surface to improve heat dissipation. The connector 12 and the connecting line 13 can be installed through the interface at the rear of the system test device body 1. The connecting line 13 is placed above the first clamping block 5. The support rod 4 supports the first clamping block 5, and the height can keep the connecting line 13 in a vertical state to reduce bending and pulling. The damping shaft 14 connects the rotating plate 6 and the system test device body 1. The rotating plate 6 is rotated to be perpendicular to the front surface of the system test device body 1. The counterweight block 8 slides on the outer surface of the pull rod 7 and presses the rotating plate 6 downward as the rotating plate 6 is in a vertical state to maintain the vertical state of the rotating plate 6. The restoring force of the spring 10 is limited by the counterweight block 8 at the upper end, and the lower end drives the second clamping block 11 to exert force downward to cooperate with the first clamping block 5 to clamp the connecting line 13.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A test device for an urban rail transit passenger information system, characterized in that: include: A system testing device body (1), wherein the rear surface of the system testing device body (1) is fixedly connected to a base plate (3), the upper surface of the base plate (3) is fixedly connected to a support rod (4), the upper surface of the support rod (4) is fixedly connected to a first clamping block (5), the upper surface of the first clamping block (5) is movably connected to a second clamping block (11), the upper surface of the second clamping block (11) is fixedly connected to a pull rod (7), the upper surface of the pull rod (7) is fixedly connected to a limit block (9), the lower surface of the limit block (9) is movably connected to a counterweight block (8), the lower surface of the counterweight block (8) is movably connected to a rotating plate (6), the front surface of the rotating plate (6) is fixedly connected to a damping shaft (14), and the lower surface of the rotating plate (6) is fixedly connected to a spring (10).

2. The urban rail transit passenger information system testing device according to claim 1, characterized in that: The left surface of the system testing device body (1) is provided with a heat dissipation net (2), and the inner surface of the counterweight block (8) is slidably connected to the pull rod (7).

3. The urban rail transit passenger information system testing device according to claim 1, characterized in that: The outer surface of the damping shaft (14) is rotatably connected to the system testing device body (1), and one end of the spring (10) away from the rotating plate (6) is fixedly connected to the second clamping block (11).

4. The urban rail transit passenger information system testing device according to claim 1, characterized in that: The inner surface of the rotating plate (6) is slidably connected to the pull rod (7), and the front surface of the rotating plate (6) is rotationally connected to the system testing device body (1).

5. The urban rail transit passenger information system testing device according to claim 1, characterized in that: The rear surface of the system testing device body (1) is movably connected to a connector (12), and the rear surface of the connector (12) is fixedly connected to a connecting wire (13).

6. The urban rail transit passenger information system testing device according to claim 5, characterized in that: The outer surface of the connecting line (13) is movably connected to the first clamping block (5), and the outer surface of the connecting line (13) is movably connected to the second clamping block (11).

7. The urban rail transit passenger information system testing device according to claim 1, characterized in that: The material of the first clamping block (5) is rubber, and the material of the second clamping block (11) is rubber.

8. The urban rail transit passenger information system testing device according to claim 1, characterized in that: The system testing device body (1) is electrically connected to an external power source.

Images