A railway signal power supply screen maintenance tool

Abstract

The utility model discloses a railway signal power supply screen maintenance tool, which relates to the technical field of railway signal power supply screens and comprises a maintenance device and a fixing device. The bottom of the maintenance device is fixedly connected to the bottom of the fixing device. The utility model can detect the insulation resistance value of the railway signal power supply screen online in real time through a low-voltage insulation detector. The self-test component can verify the accuracy of the insulation data obtained by the low-voltage insulation detector, thereby ensuring the automatic real-time detection of the railway signal power supply screen by the maintenance device, timely exposing the problem of reduced insulation performance of the railway signal power supply screen, and reducing the safety hazards of the railway signal power supply screen. By adding a fixing device, the side plate can be pressed inwardly to the maintenance shell, and at the same time, the pressure rod presses the pressure plate downward under the action of the compression spring, thereby enhancing the stability of the maintenance device, reducing the vibration of the device caused by the strong airflow generated by the passing of the train, and ensuring the normal maintenance of the railway signal power supply screen by the maintenance device.

Description

Technical Field

[0001] The utility model relates to the technical field of railway signal power supply screens, in particular to a railway signal power supply screen maintenance tool. Background Art

[0002] The railway signal intelligent power supply panel is an important device for supplying power to railway signal equipment. Failure of the power supply system will cause the entire system to collapse. The railway signal power supply panel is composed of power distribution, modules, lightning protection and monitoring. The status of the battery pack in the power distribution is particularly critical. It is of great significance to ensure the normal operation of the railway signal intelligent power supply panel. The online monitoring, battery degradation assessment and maintenance of the railway signal power supply panel are realized to fully ensure the normal operation of the railway power signal panel. The railway signal power supply panel needs to use maintenance tools during maintenance. The existing signal power supply panel is centrally maintained every 1-2 years.

[0003] In the prior art, for example, Chinese patent CN215922193U discloses “an emergency device for replacing and repairing a railway signal power supply panel”, comprising a control box, a power supply panel is provided through the side wall of the control box, a protective device is fixedly connected to the outer wall of the control box, a motor is fixedly connected to the inner bottom of the control box, a driving device is fixedly connected to the end of the output shaft of the motor, a device box is provided on the inner wall of the control box, the device box is fixedly connected to the inner wall of the control box by a fixing device, a trigger device is fixedly connected to the inner wall of the device box, and a positioning device is provided through the inner wall of the control box.

[0004] At present, the insulation inspection and maintenance of railway signal power supply panels must be carried out during the idle time of driving, and real-time detection cannot be achieved. Therefore, during the normal use of the signal power supply panels on the railway, the insulation performance degradation problem of the railway signal power supply panels cannot be exposed in time. If an insulation failure occurs in the signal power supply panel during use and the relevant personnel are not notified for processing, the railway signal power supply panel will have a safety hazard. In view of the above problems, a railway signal power supply panel inspection and maintenance tool is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that the insulation maintenance of the current railway signal power supply panel cannot realize real-time detection. Therefore, during normal use of the signal power supply panel on the railway, the insulation performance degradation problem of the railway signal power supply panel cannot be exposed in time, thereby causing safety hazards to the railway signal power supply panel. A railway signal power supply panel maintenance tool is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a railway signal power supply panel maintenance tool, comprising a maintenance device and a fixing device, the bottom of the maintenance device is fixedly connected to the bottom of the fixing device, the maintenance device comprises a maintenance shell, a top cover, a low-voltage insulation detector and mounting bolts, the front side of the maintenance shell is fixedly installed to one end of the low-voltage insulation detector, and a self-test component is fixedly installed inside the maintenance shell, the fixing device comprises a base, a side plate, a fixing cylinder and a pressure rod, four support rods are symmetrically welded and fixedly connected at both ends of the top of the base, and a plurality of spring members are evenly fixedly connected to one side of the support rod, the two ends of the side plate are fixedly connected to one end of the spring member, the bottom of the fixing cylinder is movably connected to a compression spring, and the bottom of the compression spring is fixedly connected to the top of the pressure rod.

[0007] Preferably, two pressure plates are symmetrically fixedly connected to both ends of the bottom of the inspection housing, and the top of the fixing cylinder is fixed to the bottom of the side plate by welding.

[0008] Preferably, two insertion holes are symmetrically provided at two ends of the top of the base, and the bottom end of the pressure rod passes through the pressure plate and is plugged into the insertion holes.

[0009] Preferably, the top of the inspection housing is fixedly connected to both ends of the top cover, and four mounting plates are symmetrically welded and fixedly connected to both ends of the bottom of the inspection housing.

[0010] Preferably, the mounting plate is fixedly connected to the top of the base by means of mounting bolts, and a plurality of heat dissipation slots are symmetrically and evenly provided on both sides of the inspection housing.

[0011] Preferably, the inner side of the side panel fits with the outer side of the inspection housing.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, by setting up the maintenance device, the insulation resistance value of the railway signal power supply screen can be detected online in real time through the low-voltage insulation detector, and at the same time, the railway signal power supply screen will not be damaged, and the tested railway signal power supply screen will not be caused to malfunction. The self-test component can verify the accuracy of the insulation data obtained by the low-voltage insulation detector, thereby ensuring the automatic real-time detection of the railway signal power supply screen by the maintenance device, and then the signal power supply screen on the railway can be exposed in time during normal use. The problem of reduced insulation performance of the railway signal power supply screen reduces the safety hazard of the railway signal power supply screen.

[0014] 2. In the utility model, by adding a fixing device, the side plate can press the maintenance shell inward under the pulling force of multiple spring parts, and at the same time, the pressure rod is pressed downward under the action of the compression spring to fix the pressure plate on the top of the base, thereby enhancing the stability of the maintenance device, reducing the vibration of the device caused by the strong airflow generated by the passing train, and ensuring the normal maintenance of the railway signal power supply screen by the maintenance device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a railway signal power supply panel maintenance tool;

[0016] Figure 2 The utility model provides an internal top view of a railway signal power supply panel maintenance tool;

[0017] Figure 3 The utility model provides a schematic diagram of the internal top view structure of a maintenance device for a railway signal power supply panel maintenance tool;

[0018] Figure 4 The utility model provides a structural schematic diagram of a fixing device for a railway signal power supply panel maintenance tool.

[0019] Legend: 1. Inspection device; 2. Fixing device; 11. Inspection housing; 12. Top cover; 13. Low-voltage insulation detector; 14. Self-test component; 15. Pressure plate; 16. Mounting plate; 17. Mounting bolts; 18. Heat sink; 21. Base; 22. Support rod; 23. Side panel; 24. Spring part; 25. Fixing cylinder; 26. Compression spring; 27. Pressure rod; 28. Socket. DETAILED DESCRIPTION

[0020] 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.

[0021] 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.

[0022] Embodiment 1

[0023] like Figure 1-3As shown, the utility model provides a railway signal power panel maintenance tool, including a maintenance device 1 and a fixing device 2, the bottom of the maintenance device 1 is fixedly connected to the bottom of the fixing device 2, the maintenance device 1 includes an maintenance shell 11, a top cover 12, a low-voltage insulation detector 13 and mounting bolts 17, the front side of the maintenance shell 11 is fixedly installed to one end of the low-voltage insulation detector 13, and a self-test component 14 is fixedly installed inside the maintenance shell 11, two pressure plates 15 are symmetrically fixedly connected to the two ends of the bottom of the maintenance shell 11, the top of the maintenance shell 11 is fixedly connected to the two ends of the top cover 12, and four mounting plates 16 are symmetrically welded and fixedly connected to the two ends of the bottom of the maintenance shell 11, the mounting plates 16 are fixedly connected to the top of the base 21 by mounting bolts 17, and a plurality of heat dissipation grooves 18 are symmetrically and evenly opened on both sides of the maintenance shell 11.

[0024] The specific settings and functions of this embodiment are described in detail below: the low-voltage insulation detector 13 applies a low-voltage square wave signal to the railway signal power supply panel, and detects the returned micro-current value through the internal loop of the low-voltage insulation detector 13 to determine the insulation resistance value of the equipment. The low-voltage insulation detector 13 can adaptively distribute the capacitance, so the low-voltage insulation detector 13 can perform online real-time detection without damaging the railway signal power supply panel or causing the tested railway signal power supply panel to malfunction. At the same time, the self-test component 14 is composed of high-precision resistors, and the self-test component 14 can verify the accuracy of the insulation data obtained by the low-voltage insulation detector 13.

[0025] Embodiment 2

[0026] like Figure 1-Figure 4 As shown, the fixing device 2 includes a base 21, a side plate 23, a fixing cylinder 25 and a pressure rod 27. Four support rods 22 are symmetrically welded and fixedly connected at both ends of the top of the base 21, and a plurality of spring members 24 are evenly fixedly connected to one side of the support rod 22. Both ends of the side plate 23 are fixedly connected to one end of the spring member 24. A compression spring 26 is movably connected to the bottom of the fixing cylinder 25. The bottom of the compression spring 26 is fixedly connected to the top of the pressure rod 27. The top of the fixing cylinder 25 is welded and fixed to the bottom of the side plate 23. Two insertion holes 28 are symmetrically provided at both ends of the top of the base 21. The bottom end of the pressure rod 27 passes through the pressure plate 15 and is plugged into the insertion hole 28. The inner side of the side plate 23 fits the outer side of the inspection shell 11.

[0027] The effect achieved by the entire embodiment is that the side panels 23 on both sides can press the inspection housing 11 inward under the pulling force of multiple spring members 24, and at the same time, the pressure rod 27 presses the pressure plate 15 downward under the action of the compression spring 26, thereby enhancing the stability of the inspection device 1, thereby reducing the vibration of the device caused by the strong airflow generated by the passing of the train, and avoiding the loosening of the mounting bolts 17 to affect the stability of the inspection device 1.

[0028] The use method and working principle of the device: When the device is in use, the output branch of the railway signal power supply screen is connected to the maintenance device 1. The low-voltage insulation detector 13 applies a low-voltage square wave signal to the railway signal power supply screen, and detects the returned micro-current value through the internal loop of the low-voltage insulation detector 13 to determine the insulation resistance value of the equipment. The low-voltage insulation detector 13 can adaptively distribute capacitance, so the low-voltage insulation detector 13 can perform online real-time detection without damaging the railway signal power supply screen, and will not cause the tested railway signal power supply screen to malfunction. At the same time, the self-test component 14 is composed of high-precision resistors. The self-test component 14 can verify the accuracy of the insulation data obtained by the low-voltage insulation detector 13, thereby ensuring the automatic real-time detection of the railway signal power supply screen by the maintenance device 1, and then the signal power supply screen on the railway can be exposed in time during normal use. The problem of reduced insulation performance of the railway signal power supply screen reduces the safety hazard of the railway signal power supply screen;

[0029] By adding a fixing device 2, during the use of the maintenance device 1 installed on the rail attachment, the maintenance shell 11 is fixed to the base 21 through the mounting plate 16 and the mounting bolts 17 at the bottom, and at the same time, the side plates 23 on both sides can press the maintenance shell 11 inward under the pulling force of multiple spring members 24, and at the same time, the pressure rod 27 passes through the pressure plate 15 and is plugged and fixed with the socket 28. The pressure rod 27 is pressed downward by the compression spring 26, thereby fixing the pressure plate 15 to the top of the base 21, enhancing the stability of the maintenance device 1, thereby reducing the vibration of the device caused by the strong airflow generated by the passing of the train, avoiding the loosening of the mounting bolts 17 and affecting the stability of the maintenance device 1, and ensuring the normal maintenance of the railway signal power supply screen by the maintenance device 1.

[0030] 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 railway signal power supply panel maintenance tool, characterized in that: The invention comprises an inspection device (1) and a fixing device (2), wherein the bottom of the inspection device (1) is fixedly connected to the bottom of the fixing device (2), the inspection device (1) comprises an inspection housing (11), a top cover (12), a low-voltage insulation detector (13) and mounting bolts (17), the front side of the inspection housing (11) is fixedly mounted to one end of the low-voltage insulation detector (13), and a self-test component (14) is fixedly mounted inside the inspection housing (11), and the fixing device (2) comprises a base ( 21), side plates (23), a fixed cylinder (25) and a pressure rod (27), the top two ends of the base (21) are symmetrically welded and fixedly connected with four support rods (22), and one side of the support rod (22) is evenly and fixedly connected with a plurality of spring members (24), the two ends of the side plates (23) are fixedly connected with one end of the spring member (24), the bottom of the fixed cylinder (25) is movably connected with a compression spring (26), and the bottom of the compression spring (26) is fixedly connected with the top of the pressure rod (27).

2. A railway signal power panel maintenance tool according to claim 1, characterized in that: Two pressure plates (15) are symmetrically fixedly connected to the two ends of the bottom of the inspection housing (11), and the top of the fixing cylinder (25) is fixedly welded to the bottom of the side plate (23).

3. A railway signal power panel maintenance tool according to claim 2, characterized in that: Two insertion holes (28) are symmetrically provided at the two ends of the top of the base (21), and the bottom end of the pressing rod (27) passes through the pressing plate (15) and is plugged into the insertion holes (28).

4. A railway signal power panel maintenance tool according to claim 3, characterized in that: The top of the inspection housing (11) is fixedly connected to both ends of the top cover (12), and four mounting plates (16) are symmetrically welded and fixedly connected to both ends of the bottom of the inspection housing (11).

5. A railway signal power panel maintenance tool according to claim 4, characterized in that: The mounting plate (16) is fixedly connected to the top of the base (21) via mounting bolts (17), and a plurality of heat dissipation slots (18) are symmetrically and evenly provided on both sides of the inspection housing (11).

6. A railway signal power panel maintenance tool according to claim 5, characterized in that: The inner side of the side plate (23) is in contact with the outer side of the inspection housing (11).

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