High-voltage-to-low-voltage power distribution cabinet suitable for long tunnel

By introducing sliding connections and fixing mechanisms into the long tunnel distribution cabinet, the problems of inconvenient installation and insufficient stability of traditional distribution cabinets have been solved, achieving convenient installation, efficient maintenance and equipment stability, and ensuring the safe operation of the power system.

CN223815926UActive Publication Date: 2026-01-20SHIJIAZHUANG HENGYANG ELECTRIC EQUIP CO LTD
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Patent Information

Application Number
CN202423233060.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2026-01-20
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Traditional distribution cabinets are inconvenient to install and maintain in long tunnels, and their stability is insufficient, which affects the normal operation of the power system and poses safety hazards.

Method used

The system employs a sliding connection between the first and second power distribution cabinets, a stable installation structure, easily removable side panels, and a reliable fixing mechanism, including designs such as sliding grooves, limit grooves, springs, and magnetic connecting rods, to achieve convenient installation and efficient maintenance.

Benefits of technology

It improves installation efficiency, reduces maintenance difficulty and cost, enhances equipment stability, ensures the safety and reliability of power supply, and reduces the occurrence of failures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tunnel power equipment, and provides a high-voltage-to-low-voltage power distribution cabinet suitable for a long tunnel, which comprises a first power distribution cabinet, a second power distribution cabinet is arranged on the side edge of the first power distribution cabinet, a first mounting block is fixedly connected to the first power distribution cabinet, and a second mounting block is fixedly connected to the second power distribution cabinet. A sliding groove is formed in the second mounting block, a sliding block is slidably connected to the interior of the sliding groove, and the side edge of the sliding block is fixedly connected to the first mounting block; through sliding connection of the first power distribution cabinet and the second power distribution cabinet, a stable installation structure, a side edge plate easy to disassemble and a reliable fixing mechanism, the effects of convenient installation, efficient maintenance and equipment stability enhancement are achieved, and the problems that the power distribution cabinet in a long tunnel is inconvenient to install, difficult to maintain and insufficient in stability are solved. And safe, reliable and efficient operation of the power supply system in a complex tunnel environment is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel electric power equipment technical field, specifically, relate to a high voltage is converted low voltage switch board suitable for long tunnel. BACKGROUND

[0002] In the power supply system of long tunnel, the traditional switch board is usually an independent single structure, which requires a large space and complex installation process during installation, and is difficult to flexibly combine and adjust according to the actual layout of the tunnel and the power demand. This not only leads to low installation efficiency, but also may affect the layout of other equipment due to insufficient space utilization. In terms of maintenance, the internal structure design of the traditional switch board is not reasonable, the electrical component layout is disorderly, and the side plate and other components are difficult to disassemble, so that the maintenance personnel spend time and effort when performing line maintenance, component replacement and other operations, increasing the maintenance cost and equipment downtime. In addition, there are vibration, temperature change, high humidity and possible external impact and other adverse factors in long tunnel, the stability of the traditional switch board is poor, its connecting structure is easy to loosen, and the cabinet body is easy to displace or deform, thereby affecting the reliability of electrical connection, leading to frequent power failure, seriously affecting the normal operation of lighting, ventilation, monitoring and other systems in long tunnel, and bringing hidden dangers to the safe operation of the tunnel. Therefore, a high voltage is converted low voltage switch board suitable for long tunnel is proposed to solve the above problems. SUMMARY

[0003] The utility model provides a high voltage is converted low voltage switch board suitable for long tunnel, through the sliding connection, stable installation structure, easy to disassemble side edge board and reliable fixing mechanism of first switch board and second switch board, reaches the effect that convenient installation, high efficiency maintenance and enhancement equipment stability, solved long tunnel switch board installation inconvenient, maintenance difficult and the problem of insufficient stability, ensured the safe, reliable, efficient operation of power supply system in complex tunnel environment.

[0004] The technical scheme of the utility model is as follows: a high voltage is converted low voltage switch board suitable for long tunnel, including first switch board, the side of first switch board is provided with second switch board, first installation block is fixedly connected on first switch board, second installation block is fixedly connected on second switch board, the sliding slot is set up on second installation block, the sliding block is slidably connected in the sliding slot, the sliding block side is fixedly connected on first installation block.

[0005] Optionally, the first installation block and the second installation block are arranged in an upper-lower symmetrical manner on the first switch board and the second switch board.

[0006] Optionally, a sliding groove is formed on the second mounting block, a first limiting groove is slidably connected to the sliding groove, and a second limiting groove is formed in the sliding block.

[0007] Optionally, the first limiting groove is fixedly connected with a pulling handle, and the pulling handle is provided with anti-skid lines inside and outside.

[0008] Optionally, a spring is wound around the outer wall of the first limiting groove, one end of the spring is fixedly connected to the pulling handle, and the other end of the spring is fixedly connected to the second mounting block.

[0009] Optionally, the second limiting groove corresponds to the sliding groove, and the outer wall of the first limiting groove corresponds to the inner wall of the second limiting groove.

[0010] Optionally, the first power distribution cabinet and the second power distribution cabinet are fixedly connected with side plates, and the side plates are fixedly connected to the side edges of the first power distribution cabinet through four edge fusion points.

[0011] Optionally, the first power distribution cabinet and the second power distribution cabinet are fixedly connected with a connecting block, the connecting block is magnetically connected with a plastic connecting rod, the plastic connecting rod is provided with magnetic blocks at both ends, and the plastic connecting rod is externally wound with an anti-wear gasket.

[0012] The working principle and beneficial effects of the utility model are as follows: through the sliding connection of the first mounting block and the second mounting block, the operation is simple and convenient, the installation efficiency is greatly improved, the symmetrical arrangement of the upper and lower parts makes the installation more stable, and the interference of the complex environment in the tunnel can be effectively resisted. In terms of maintenance, the four edge fusion points of the side plate are designed to be convenient to disassemble, the internal reasonable layout makes the electrical components easy to operate, and the maintenance difficulty and cost are effectively reduced. At the same time, the reliable fixing mechanism such as the cooperation of the first limiting groove and the second limiting groove with the spring, and the magnetic connection of the connecting block and the plastic connecting rod significantly enhance the stability of the equipment, ensure the safety, stability and continuity of the power supply, reduce the probability of failure, and provide solid support for the reliable operation of the power system of the long tunnel. BRIEF DESCRIPTION OF DRAWINGS

[0013] The above characteristics, technical features, advantages and implementation modes of the utility model will be further described in the following preferred embodiments in a clear and easy-to-understand manner in combination with the drawings.

[0014] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0015] Figure 1 It is a three-dimensional structure schematic view of the first power distribution cabinet of the utility model.

[0016] Figure 2The utility model discloses a second power distribution cabinet place local section stereo structure state schematic diagram

[0017] Figure 3 The utility model discloses a first mounting block place local section stereo structure state schematic diagram Figure 2 The utility model discloses a structure of A place enlarged view

[0018] Figure 4 The utility model discloses a first mounting block place local section stereo structure state schematic diagram

[0019] Figure 5 The utility model discloses a connecting rod place stereo structure schematic diagram.

[0020] In the drawing: 1, first power distribution cabinet;2, second power distribution cabinet;3, first mounting block;4, second mounting block;5, sliding slot;6, sliding block;7, sliding groove;8, first limit slot;9, spring;10, pull handle;11, second limit slot;12, side plate;13, connecting block;14, plastic connecting rod. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the specific implementation of the utility model will be explained below by referring to the drawings. Obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, without creative effort, can also obtain other drawings according to these drawings, and obtain other implementation ways.

[0022] In order to make the drawing simple, only the part related to the utility model is shown in each drawing, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, the same structure or function in some drawings is only schematically shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0023] In this paper, it is necessary to point out that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] In addition, in the description of the present application, the terms "first", "second" and the like are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

[0025] With reference to the accompanying drawings Figures 1-5 The utility model provides a high -pressure is low -voltage distribution cabinet for long tunnel, including first distribution cabinet 1, first distribution cabinet 1 side is provided with second distribution cabinet 2, first distribution cabinet 1 is fixedly connected with first mounting block 3, second distribution cabinet 2 is fixedly connected with second mounting block 4, and the second mounting block 4 is opened in the sliding slot 5, the sliding block 6 is slidably connected in the sliding slot 5, and the sliding block 6 side is fixedly connected on first mounting block 3, through the operation of above-mentioned, the first distribution cabinet 1 originally used is installed by the sliding connection mode of first mounting block 3 and second mounting block 4, not only has conveniently installed and maintained, but also improved space utilization rate. Meanwhile, it also has flexible installation mode and wiring layout, can carry out multiple combination and adjustment according to the actual situation of tunnel, adapts to different tunnel design and power equipment distribution.

[0026] Then, first mounting block 3 and second mounting block 4 are symmetrically arranged on first distribution cabinet 1 and second distribution cabinet 2, and the installation mode of first distribution cabinet 1 and second distribution cabinet 2 is more stable through the above structure.

[0027] Then, the second mounting block 4 is opened in the sliding groove 7, the first limiting slot 8 is slidably connected on the sliding groove 7, the second limiting slot 11 is opened in the sliding block 6, and the first limiting slot 8 is inserted and fixed in the second limiting slot 11, so that the sliding block 6 can be fixed in the sliding slot 5, so that the first mounting block 3 and the second mounting block 4 can be fixed, and then the first distribution cabinet 1 and the second distribution cabinet 2 are fixed.

[0028] Next, the first limiting slot 8 is fixedly connected with the pulling handle 10 at the outer end, and the pulling handle 10 is provided with anti-slip lines inside and outside; the first limiting slot 8 can be better pulled by holding the pulling handle 10, and has a certain anti-slip effect.

[0029] At this time, the first limiting slot 8 is wound with the spring 9 on the outer wall, one end of the spring 9 is fixedly connected to the pulling handle 10, and the other end of the spring 9 is fixedly connected to the second mounting block 4; the spring 9 has an elastic property effect, which can improve the stability of the second limiting slot 11 inserted into the first limiting slot 8, so that the fixing effect of the first mounting block 3 and the second mounting block 4 is further enhanced.

[0030] Next, the second limiting slot 11 corresponds to the sliding groove 7, and the outer wall of the first limiting slot 8 corresponds to the inner wall of the second limiting slot 11; through the structure, the gap between the outer wall of the first limiting slot 8 and the inner wall of the second limiting slot 11 is small, so as to ensure the stability of the equipment.

[0031] Secondly, the first power distribution cabinet 1 and the second power distribution cabinet 2 are fixedly connected with side plates 12 on the side edges, and the side plates 12 are fixed with the side edges of the first power distribution cabinet 1 through four edge fusion points; the above structure can conveniently disassemble the side plates 12 of the first power distribution cabinet 1 and the second power distribution cabinet 2, thereby facilitating the installation mode and wiring layout of the electric wire and cable of the first power distribution cabinet 1 and the second power distribution cabinet 2.

[0032] Finally, the first power distribution cabinet 1 and the second power distribution cabinet 2 are fixedly connected with connecting blocks 13, and the connecting blocks 13 are magnetically connected with plastic connecting rods 14, the plastic connecting rods 14 are provided with magnetic blocks at both ends, and the plastic connecting rods 14 are externally wound with anti-abrasion washers; through the above material, the fixing effect of the first power distribution cabinet 1 and the second power distribution cabinet 2 is further enhanced.

[0033] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A high-to-low voltage power distribution cabinet suitable for long tunnels, characterized in that, Including first switch board (1), second switch board (2) are provided with on the side of first switch board (1), first installation block (3) is fixedly connected on first switch board (1), second installation block (4) is fixedly connected on second switch board (2), the sliding slot (5) is set up on second installation block (4), the sliding block (6) is slidably connected in the sliding slot (5), the sliding block (6) side fixedly connected on first installation block (3).

2. A high to low voltage distribution switchgear suitable for long tunnels according to claim 1, characterized in that, The first installation block (3) and the second installation block (4) are symmetrically arranged on the first switch board (1) and the second switch board (2).

3. The high to low voltage power distribution cabinet suitable for long tunnel according to claim 1, characterized in that, The second installation block (4) is provided with a sliding groove (7), and the first limiting groove (8) is slidably connected to the sliding groove (7).

4. The high-to-low voltage power distribution cabinet suitable for long tunnels according to claim 3, characterized in that, The first limiting groove (8) is fixedly connected with a pulling handle (10) at the outer end, and the pulling handle (10) is provided with anti-skid lines inside and outside.

5. The high to low voltage power distribution cabinet suitable for long tunnel according to claim 3, characterized in that, The outer wall of the first limiting groove (8) is provided with a spring (9), one end of the spring (9) is fixedly connected to the pulling handle (10), and the other end of the spring (9) is fixedly connected to the second installation block (4).

6. The high to low voltage power distribution cabinet suitable for long tunnel according to claim 3, characterized in that, The second limiting groove (11) corresponds to the sliding groove (7), and the outer wall of the first limiting groove (8) and the inner wall of the second limiting groove (11) are mutually attached.

7. The high to low voltage power distribution cabinet suitable for long tunnel according to claim 1, characterized in that, The first switch board (1) and the second switch board (2) are fixedly connected with side plates (12) on the side, and the side plates (12) are fixedly connected with the first switch board (1) through four edge fusion points.

8. The high to low voltage power distribution cabinet suitable for long tunnel according to claim 1, characterized in that, The first switch board (1) and the second switch board (2) are fixedly connected with a connecting block (13), the connecting block (13) is magnetically connected with a plastic connecting rod (14), the plastic connecting rod (14) is provided with a magnetic block at both ends, and the plastic connecting rod (14) is wound with an anti-wear gasket outside.