Low-voltage switch cabinet capable of adjusting fastening and filling of bus

By designing clamping components and rotating units in the low-voltage switch cabinet, flexible clamping and adjustment of the busbar is achieved, and the problem of difficulty in adapting to different bending shapes of the busbar in the prior art is solved, and the stability and safety of the busbar are improved.

CN222775801UActive Publication Date: 2025-04-18ZHEJIANG DINGRONG ELECTRIC CO LTD
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Patent Information

Application Number
CN202421256647.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-04-18
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

It is difficult for existing low-voltage switch cabinets to adjust the tightening angle and force according to the different bending shapes of the busbar, resulting in the busbar being easily loosened at the bends, affecting stability and safety.

Method used

A low-pressure switch cabinet including a clamping assembly and a rotating unit is designed. Through the expansion and contraction of the hydraulic cylinder and the rotation of the rotating unit, flexible clamping and adjustment of the busbar is realized to adapt to different shapes of busbars.

Benefits of technology

It effectively avoids the loosening of the busbar in the bend, improves the stability and service life of the busbar, and reduces the risk of power system failure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-voltage switch cabinet capable of adjusting bus fastening and filling, relates to the technical field of low-voltage switch cabinets, aims to solve the technical problem that the fastening angle and force are difficult to adjust according to different bending shapes of buses, and comprises placing plates which are arranged in the low-voltage switch cabinet at equal intervals, at least one clamping assembly and a rotating unit are arranged in the containing plate, each clamping assembly comprises a base fixed to the rotating unit, a mounting groove is formed in the base, a hydraulic cylinder is fixedly arranged in the mounting groove, the telescopic end of the hydraulic cylinder penetrates through the side wall of the mounting groove, and a clamping plate A is arranged at the tail end of the telescopic end of the hydraulic cylinder. An extension plate is arranged at one end of the base, a sliding groove is formed in the extension plate, and the clamping plate A is slidably connected in the sliding groove through the telescopic end of the hydraulic cylinder. According to the utility model, the bus is prevented from displacement and shedding caused by external impact and vibration, and the use stability of the bus is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage switch cabinets, and more specifically to a low-voltage switch cabinet capable of adjusting busbar fastening and filling. Background Art

[0002] Low-voltage switchgear is suitable for power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and other industries. It is used for power transmission, distribution and power conversion. The busbars of low-voltage switchgear are generally divided into copper busbars and aluminum busbars. Among them, copper busbars are usually used in occasions with larger currents, such as power plants, factories and other large power facilities; aluminum busbars are usually used in occasions with smaller currents, such as small power facilities such as residences.

[0003] In the existing use of low-voltage switchgear, various components are arranged in the low-voltage switchgear. Due to the limited space inside the low-voltage switchgear, the busbar needs to be adjusted in spatial layout to adapt to the different positions of the components. Therefore, the busbar needs to be bent to a certain extent. When fixing the positions of different shapes of the busbar, an adjustable fastening device is required to adjust the clamping angle and force according to the changes of the busbar. In view of this, we propose a low-voltage switchgear with adjustable busbar fastening and loading. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a low-voltage switch cabinet with adjustable busbar fastening and loading, so as to solve the current technical problem that it is difficult to adjust the fastening angle and strength according to the different bending shapes of the busbar.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: A low-voltage switch cabinet with adjustable busbar fastening and filling, comprising a low-voltage switch cabinet, and also comprising a placement plate arranged at equal intervals inside the low-voltage switch cabinet, wherein at least one set of clamping components and a rotating unit are arranged inside the placement plate;

[0006] The clamping assembly includes a base fixed on the rotating unit, a mounting groove is opened in the base, a hydraulic cylinder is fixedly arranged in the mounting groove, the telescopic end of the hydraulic cylinder passes through the side wall of the mounting groove and a clamping plate A is arranged at the end thereof, and a clamping plate B is fixedly connected to the surface of the base.

[0007] The utility model.

[0008] Preferably, an extension plate is arranged at one end of the base, a slide groove is opened in the extension plate, and the clamping plate A is slidably connected in the slide groove through the telescopic end of the hydraulic cylinder.

[0009] Preferably, a placement groove is opened in the placement plate, and the rotating unit includes a gear rotatably connected in the placement groove. A spring A is fixedly connected to the side wall of the placement groove, and the other side of the spring A is fixedly connected to a limiting plate. The limiting plate has a long strip shape on the surface, and the end of the limiting plate is engaged with the teeth of the gear.

[0010] Preferably, a telescopic rod is fixedly connected to the upper surface of the limiting plate, a spring B is sleeved on the surface of the telescopic rod, limiting grooves are respectively provided in the placement grooves, and the surface of the telescopic rod is clamped in the limiting grooves.

[0011] Preferably, a paddle is fixedly connected to the end of the telescopic rod, a concave groove is provided on the surface of the placement plate, and the surface of the paddle is slidably connected in the concave groove.

[0012] Preferably, a rotating shaft is fixedly connected to the surface of the gear, and the surface of the rotating shaft passes through the side wall of the placement plate and is fixedly connected to one side of the base.

[0013] Preferably, a pressure plate is arranged on the surface of the clamping plate A and the clamping plate B, and one end of the two pressure plates slides in the clamping plate A and the clamping plate B respectively through threaded rods.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model can fix the position of the busbar by designing a clamping structure and utilizing the stability of the hydraulic cylinder extension and retraction, thereby preventing the busbar from being displaced and falling off due to external impact and vibration, improving the stability of the busbar and reducing the risk of power system failure.

[0016] 2. The utility model also designs a rotating structure, which can drive the clamping assembly to rotate a certain angle through the rotating unit when the busbar is bent, so that it can clamp and tighten the bent part of the busbar, avoiding loosening of the bent part of the busbar, reducing damage to the busbar, and improving the stability and safety of the power system. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of a use state of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection structure between the clamping assembly and the rotating unit in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the clamping assembly of the utility model;

[0020] Figure 4 This is a structural cross-sectional view of the placement plate of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the rotating unit of the utility model.

[0022] Description of the numbers in the figure:

[0023] 1. Low-voltage switch cabinet; 2. Placement plate; 3. Clamping assembly; 301. Base; 302. Hydraulic cylinder; 303. Clamping plate A; 304. Clamping plate B; 305. Extension plate; 306. Pressure plate; 4. Rotation unit; 401. Gear; 402. Spring A; 403. Limiting plate; 404. Spring B; 405. Limiting groove; 406. Paddle; 407. Rotating shaft. DETAILED DESCRIPTION

[0024] like Figures 1 to 5 As shown, the utility model relates to a low-voltage switch cabinet with adjustable busbar fastening and filling, comprising a low-voltage switch cabinet 1, and also comprising a placement plate 2 arranged at equal intervals inside the low-voltage switch cabinet 1, wherein at least one set of clamping components 3 and a rotating unit 4 are arranged inside the placement plate 2;

[0025] The clamping assembly 3 includes a base 301 fixed on the rotating unit 4, a mounting groove is provided in the base 301, a hydraulic cylinder 302 is fixedly arranged in the mounting groove, the telescopic end of the hydraulic cylinder 302 passes through the side wall of the mounting groove and a clamping plate A303 is arranged at the end thereof, a clamping plate B304 is fixedly connected to the surface of the base 301, an extension plate 305 is arranged at one end of the base 301, a slide groove is provided in the extension plate 305, the clamping plate A303 is slidably connected in the slide groove through the telescopic end of the hydraulic cylinder 302, and pressure plates 306 are arranged on the surfaces of the clamping plates A303 and the clamping plates B304, one ends of the two pressure plates 306 slide in the clamping plates A303 and the clamping plates B304 respectively through threaded rods, and by setting the clamping assembly 3, the two clamping plates and the pressure plate 306 can be used to synchronously clamp the two sides and the surface of the busbar, respectively, so that the position of the busbar is more secure and the stability of the busbar can be improved.

[0026] In the embodiment of the utility model, a placement slot is provided in the placement plate 2, and the rotating unit 4 includes a gear 401 rotatably connected in the placement slot, a spring A402 is fixedly connected to the side wall of the placement slot, and a limit plate 403 is fixedly connected to the other side of the spring A402, and the limit plate 403 has a long strip appearance, and the end of the limit plate 403 is engaged with the teeth of the gear 401, and the upper surface of the limit plate 403 is fixedly connected to a telescopic rod, and the surface of the telescopic rod is sleeved with a spring B404, and the limit slots 405 are respectively provided in the placement slot. The surface of the telescopic rod is clamped in the limit groove 405, and the end of the telescopic rod is fixedly connected with a paddle 406. The surface of the placement plate 2 is provided with a concave groove, and the surface of the paddle 406 is slidably connected in the concave groove. The surface of the gear 401 is fixedly connected with a rotating shaft 407, and the surface of the rotating shaft 407 passes through the side wall of the placement plate 2 and is fixedly connected to one side of the base 301. By setting a spring A402, the limit plate 403 can be driven to move, thereby controlling the rotation of the gear 401, which is convenient for regulating the rotation of the clamping assembly 3.

[0027] Working principle: This embodiment provides a low-voltage switch cabinet with adjustable busbar fastening and loading. When fixing the position of the busbar, first place the busbar between the clamping plate A303 and the clamping plate B304 on the base 3, and then drive the clamping plate A303 to move toward the clamping plate B304 through the contraction movement of the hydraulic cylinder 302, so that the two clamping plates are respectively pressed against the two sides of the busbar, so as to clamp and fix the busbar, and then drive the pressing plate 306 to move toward the direction of the busbar by rotating the threaded rod clockwise, and press the surface of the busbar to fix the position of the busbar. When it is necessary to clamp and fix the busbar at different positions, first pull the paddle 406 downward to slide the telescopic rod out of the limit slot 405, and then use the spring A402 to The contraction movement drives the limit plate 403 to move. At this time, the pressure on the paddle 406 is cancelled, and the telescopic rod is driven to engage in another limit groove 405 through the reset function of spring B404. At this time, the limit plate 403 is separated from the gear 401, and then the clamping assembly 3 is driven to rotate by rotating the gear 401, so that the clamping assembly is adjusted according to the busbar that is bent at different angles. Then, the paddle 406 is pressed downward to make the spring B404 drive the telescopic rod to contract. At this time, the reset function of spring A402 is used to drive the limit plate 403 to be ejected and meshed with the gear 401, and the pressure on the paddle 406 is cancelled to reset the spring B404, so that the telescopic rod is reset in the limit groove 405, and the position of the limit plate 403 and the gear 401 is fixed.

[0028] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A low-voltage switch cabinet with adjustable busbar fastening and filling, comprising a low-voltage switch cabinet (1), characterized in that: It also includes a placement plate (2) arranged at equal intervals inside the low-voltage switch cabinet (1), wherein at least one set of clamping components (3) and a rotating unit (4) is arranged inside the placement plate (2); The clamping assembly (3) comprises a base (301) fixed on the rotating unit (4), a mounting groove being provided in the base (301), a hydraulic cylinder (302) being fixedly arranged in the mounting groove, a telescopic end of the hydraulic cylinder (302) penetrating the side wall of the mounting groove, a clamping plate A (303) being arranged at the end thereof, and a clamping plate B (304) being fixedly connected to the surface of the base (301).

2. A low-voltage switch cabinet with adjustable busbar fastening and filling according to claim 1, characterized in that: An extension plate (305) is arranged at one end of the base (301), a slide groove is provided in the extension plate (305), and the clamping plate A (303) is slidably connected in the slide groove through the telescopic end of the hydraulic cylinder (302).

3. A low-voltage switch cabinet with adjustable busbar fastening and filling according to claim 1, characterized in that: The placement plate (2) is provided with a placement slot, the rotating unit (4) comprises a gear (401) rotatably connected in the placement slot, a spring A (402) is fixedly connected to the side wall of the placement slot, the other side of the spring A (402) is fixedly connected to a limit plate (403), the limit plate (403) is in the shape of a long strip, and the end of the limit plate (403) is engaged with the teeth of the gear (401).

4. A low-voltage switch cabinet with adjustable busbar fastening and filling according to claim 3, characterized in that: The upper surface of the limiting plate (403) is fixedly connected with a telescopic rod, the surface of the telescopic rod is sleeved with a spring B (404), and limiting grooves (405) are respectively provided in the placement grooves, and the surface of the telescopic rod is clamped in the limiting grooves (405).

5. A low-voltage switch cabinet with adjustable busbar fastening and filling according to claim 4, characterized in that: A paddle (406) is fixedly connected to the end of the telescopic rod, a concave groove is provided on the surface of the placement plate (2), and the surface of the paddle (406) is slidably connected in the concave groove.

6. A low-voltage switch cabinet with adjustable busbar fastening and filling according to claim 3, characterized in that: A rotating shaft (407) is fixedly connected to the surface of the gear (401), and the surface of the rotating shaft (407) passes through the side wall of the placement plate (2) and is fixedly connected to one side of the base (301).

7. A low-voltage switch cabinet with adjustable busbar fastening and filling according to claim 1, characterized in that: The surfaces of the clamping plate A (303) and the clamping plate B (304) are both provided with pressure plates (306), and one end of the two pressure plates (306) slides in the clamping plate A (303) and the clamping plate B (304) respectively through threaded rods.