Mobile independent main busbar system of low-voltage switch cabinet

By designing a mobile independent main busbar system for low-voltage switchgear, the problem of on-site modification caused by the integration of the main busbar and switchgear was solved. The position of the main busbar was adjustable, which improved the convenience of on-site modification and production efficiency, and promoted the modular production of switchgear.

CN224068177UActive Publication Date: 2026-03-31SUNTEN ELECTRICAL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing low-voltage switchgear's integrated design of main busbar and switchgear results in difficulties in on-site modification, long installation time, poor reliability, low production efficiency, and the inability to achieve assembly line production.

Method used

Design a mobile independent main busbar system for low-voltage switchgear, including a base, main busbar, lateral adjustment device and longitudinal adjustment device. The position of the main busbar can be adjusted by the cooperation of fixed guide rails and movable guide rails. Combined with a drive mechanism and bolt system, the lateral and longitudinal movement of the main busbar can be realized.

Benefits of technology

It improves the convenience of on-site modification, reduces on-site workload, shortens the modification cycle, improves production efficiency and product quality, and realizes modular production of switchgear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a movable independent main busbar system of a low-voltage switch cabinet. The movable independent main busbar system comprises a base; a main busbar; and the transverse adjusting device comprises a fixed guide rail and a movable guide rail which is in sliding fit with the fixed guide rail, the fixed guide rail is fixed on the base, and the movable guide rail is fixed on the main busbar. According to the low-voltage switch cabinet, the mode of integrated design of the main busbar and the switch cabinet in the prior art is abandoned, and the main busbar is innovatively designed into an independent and movable assembly; by changing the transverse position of the movable guide rail relative to the fixed guide rail, the position of the main busbar is changed, so that the position of the main busbar is kept consistent with the main busbar of the field low-voltage cabinet, and field transformation is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of low-voltage switch cabinet, specifically relates to a mobile independent main busbar system of low-voltage switch cabinet. BACKGROUND

[0002] Low-voltage switch cabinet is a kind of common electrical equipment, in prior art, as shown in figure, Figure 1 The main busbar and switch cabinet are integrated, and the main busbar is fixed on the main busbar support by the main busbar clamp, since the main busbar support is fixed on the cabinet body, the position of the main busbar cannot be adjusted.

[0003] However, the design of the main busbar in the above-mentioned switch cabinet has the following disadvantages: 1. The main busbar of the on-site reconstruction project needs to be connected with the old cabinet on site, but due to inaccurate on-site measurement, a large range of copper bar modification occurs during installation. 2. The on-site reconstruction project cannot be measured without power, so all the copper bars of the newly added low-voltage switch cabinet need to be made on site, which not only takes a long time to install, but also has poor product reliability. 3. The newly produced switch cabinet in batches cannot be smoothly connected due to manufacturing deviation and on-site foundation error. 4. The integrated switch cabinet is too high and heavy, and cannot be produced on an assembly line. UTILITY MODEL CONTENT

[0004] In order to overcome the above technical defects, the utility model provides a mobile independent main busbar system of low-voltage switch cabinet, which aims to solve the technical problem of on-site reconstruction difficulty caused by the integration of main busbar and switch cabinet.

[0005] The utility model is realized according to the following technical scheme:

[0006] The utility model provides a mobile independent main busbar system of low-voltage switch cabinet, which comprises:

[0007] A base;

[0008] A main busbar;

[0009] A horizontal adjustment device comprising a fixed guide rail and a movable guide rail in sliding cooperation with the fixed guide rail, wherein the fixed guide rail is fixed on the base, and the movable guide rail is fixed on the main busbar.

[0010] The application discards the integrated design of the main busbar and the switch cabinet in the prior art, and innovatively designs the main busbar as an independent and movable component. According to the requirements, the base is installed on the top of the low-voltage switch cabinet or other positions, the horizontal position of the movable guide rail relative to the fixed guide rail is changed, the position of the main busbar is changed, and the main busbar is kept consistent with the main busbar of the low-voltage cabinet on site, so as to facilitate on-site reconstruction.

[0011] In an embodiment, the fixed guide rail comprises a fixed part and guide parts arranged on the left and right sides of the fixed part, and the fixed part is fixedly connected with the base;

[0012] The movable guide rail is sleeved outside the fixed guide rail, and the movable guide rail comprises a mounting part and extension parts arranged on the left and right sides of the mounting part, and the extension parts are in contact with the guide parts.

[0013] In an embodiment, the lateral adjusting device further comprises a connecting piece, a screw rod, a screw rod support seat and a driving mechanism;

[0014] The screw rod support seat is fixed on the base;

[0015] The screw rod is rotationally connected with the screw rod support seat, the length direction of the screw rod is consistent with the sliding direction of the movable guide rail, and the position of the screw rod is fixed relative to the base;

[0016] The driving mechanism is drivingly connected with one end of the screw rod;

[0017] The connecting piece is connected with the movable guide rail, and the connecting piece is threadedly matched with the screw rod.

[0018] In an embodiment, the driving mechanism comprises a driving motor or a rocker.

[0019] In an embodiment, the number of the fixed guide rails and the movable guide rails is both two, and one fixed guide rail corresponds to one movable guide rail to form a guide rail group;

[0020] The connecting piece, the screw rod and the screw rod support seat are located between the two guide rail groups.

[0021] In an embodiment, the movable guide rail is connected and fixed with the main busbar through a main busbar clamp.

[0022] In an embodiment, the movable independent main busbar system of the low-voltage switch cabinet further comprises a longitudinal adjusting device comprising a longitudinal screw and a positioning nut, and the head of the longitudinal screw is arranged on the base; the tail of the longitudinal screw is threadedly matched with the positioning nut after penetrating through the mounting hole of the low-voltage switch cabinet.

[0023] In an embodiment, a through hole is arranged on the base corresponding to the position of the longitudinal screw;

[0024] The longitudinal adjusting device further comprises a limiting nut, and the tail of the longitudinal screw is tightly matched with the limiting nut after penetrating through the through hole.

[0025] The utility model also provides a movable independent main busbar system of low-voltage switch cabinet, and it is applied to low-voltage switch cabinet, and its characterized in that, comprises:

[0026] a base;

[0027] a main busbar arranged on the base;

[0028] a longitudinal adjusting device comprising a longitudinal screw and a positioning nut, a head of the longitudinal screw is arranged on the base, a tail of the longitudinal screw is screwed with the positioning nut after passing through a mounting hole of the low-voltage switch cabinet.

[0029] In an embodiment, a through hole is arranged on the base corresponding to the position of the longitudinal screw;

[0030] The longitudinal adjusting device further comprises a limiting nut; the tail of the longitudinal screw is screwed with the limiting nut after passing through the through hole. BRIEF DESCRIPTION OF DRAWINGS

[0031] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, in which:

[0032] Figure 1 is a schematic view of the low-voltage switch cabinet in the prior art;

[0033] Figure 2 is a combined schematic view of the low-voltage switch cabinet and the mobile independent main busbar system of the present application;

[0034] Figure 3 is a top view of the mobile independent main busbar system of the present application;

[0035] Figure 4 is a sectional view of the mobile independent main busbar system of the present application;

[0036] Figure 5 is a side view of the mobile independent main busbar system of the present application;

[0037] Figure 6 is a front view of the mobile independent main busbar system of the present application.

[0038] EXPLANATION OF REFERENCE NUMERALS:

[0039] 10 base, 20 main busbar, 310 fixed guide rail, 311 fixed part, 312 guide part, 320 movable guide rail, 321 mounting part, 322 extension part, 330 connecting piece, 340 screw rod, 350 screw rod support seat, 360 rocker, 410 longitudinal screw,

[0040] 420 positioning nut, 430 limiting nut, 50 copper bar, 60 cabinet body DETAILED DESCRIPTION

[0041] The preferred embodiments of the present application are described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0042] In order to better illustrate the present application, the present application is further described in detail below with reference to the accompanying drawings.

[0043] It should be clear that the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0044] The terms used in the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "an" and "the" used in the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0045] The following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of the present application as detailed in the appended claims. In the description of the present application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects, and do not necessarily describe a specific order or sequence, nor can they be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] In addition, in the description of the present application, "multiple" means two or more, unless otherwise specified. The association between the associated objects is described, which means that there can be three relationships, for example, A and / or B, which can mean that A exists alone, A and B exist together, and B exists alone. The character " / " generally represents a "or" relationship between the associated objects before and after it.

[0047] Example 1

[0048] In combination Figures 2 to 6As shown, the utility model provides a kind of mobile independent main busbar system of low voltage switchgear, it includes: base 10;Main busbar 20;Transverse adjusting device, it includes fixed guide rail 310 and with the sliding fit movable guide rail 320 of fixed guide rail 310, wherein, the fixed guide rail 310 is fixed on the base 10, and the movable guide rail 320 is fixed on the main busbar 20.

[0049] Specifically, the mobile independent main busbar system of low voltage switchgear (hereinafter referred to as mobile independent main busbar system) of the embodiment is installed on the cabinet body 60 shell of low voltage switchgear, preferably, the mobile independent main busbar system is installed on the cabinet top of low voltage switchgear and is electrically connected with the copper bar 50 in the cabinet body 60.It should be noted that, in order to facilitate connection with the copper bar 50, and also facilitate the movement of the copper bar 50 in the subsequent position adjustment process, the cabinet top is slotted at the position corresponding to the copper bar 50 to avoid affecting the movement of the copper bar 50.In other embodiments, the mobile independent main busbar 20 can also be installed at other positions of the cabinet body 60 according to requirements;The operator changes the transverse position of the movable guide rail 320 relative to the fixed guide rail 310 by operating the movable guide rail 320, so as to change the position of the main busbar 20, so as to keep consistent with the main busbar 20 of the low voltage cabinet on site and be electrically connected, and facilitate on-site modification.

[0050] The embodiment discards the integrated design of the main busbar 20 and switchgear in the prior art, and innovatively designs the main busbar 20 as an independent and movable component, which can be manufactured separately, and then installed on the top of low voltage switchgear after manufacturing, and has the function of directional movement, can cooperate with non-standard low voltage switchgear, and can realize arbitrary adjustment of the horizontal busbar position of low voltage switchgear, which is of great significance for capacity expansion, modification and addition of switchgear projects, can greatly reduce the on-site workload and shorten the modification period.

[0051] In the embodiment, the fixed guide rail 310 comprises a fixed part 311 and guide parts 312 arranged on the left and right sides of the fixed part 311, and the fixed part 311 is fixedly connected with the base 10; the movable guide rail 320 is sleeved outside the fixed guide rail 310, and the movable guide rail 320 comprises a mounting part 321 and extension parts 322 arranged on the left and right sides of the mounting part 321, and the extension parts 322 are in contact with the guide parts 312. Specifically, the fixed guide rail 310 is fixed on the base 10 through the fixed part 311, and the fixed manner of the fixed part 311 can be bolted or welded, and the movable guide rail 320 can slide relative to the fixed guide rail 310. During the sliding process, the extension parts 322 are in contact with the guide parts 312, the sliding direction of the movable guide rail 320 is guided by the guide parts 312, the moving direction of the main busbar 20 connected with the movable guide rail 320 is prevented from deviating, so as to better keep consistent with the main busbar 20 of the on-site low-voltage cabinet.

[0052] In order to better operate the sliding of the movable guide rail 320, in the embodiment, the transverse adjusting device further comprises a connecting piece 330, a screw rod 340, a screw rod support seat 350 and a driving mechanism; wherein the screw rod support seat 350 is fixed on the base 10; the screw rod 340 is rotationally connected with the screw rod support seat 350; the length direction of the screw rod 340 is consistent with the sliding direction of the movable guide rail 320, and the position of the screw rod 340 is unchanged relative to the base 10; the driving mechanism is drivingly connected with one end of the screw rod 340; the connecting piece 330 is connected with the movable guide rail 320, and the connecting piece 330 is threadedly matched with the screw rod 340.

[0053] Specifically, the driving mechanism drives the screw rod 340 to rotate, and since the position of the screw rod 340 is unchanged relative to the base 10, the connecting rod can drive the movable guide rail 320 to synchronously slide under the rotating action of the screw rod 340, so as to change the transverse position of the movable guide rail 320 relative to the fixed guide rail 310, and then change the position of the main busbar 20. It should be noted that the screw rod 340 is threadedly matched with the connecting rod, which can effectively increase the moving accuracy of the main busbar 20 during transverse movement.

[0054] Further, the connecting piece 330 is provided with a nut, so as to threadedly match the nut with the screw rod 340. The screw rod support seat 350 is provided with a bearing, and the bearing is connected with the screw rod 340, so as to fix the screw rod 340 without affecting the rotation of the screw rod 340.

[0055] In the embodiment, the driving mechanism comprises a driving motor or a rocker 360. The driving motor can be selected to drive the screw rod 340 to rotate, or the manual rocker 360 can be selected to drive the screw rod 340 to rotate. Preferably, the rocker 360 is detachably arranged with the screw rod 340.

[0056] In the embodiment, the number of the fixed guide rails 310 and the movable guide rails 320 is two. One fixed guide rail 310 corresponds to one movable guide rail 320 to form a guide rail group. The connecting piece 330, the screw rod 340 and the screw rod support seat 350 are located between the two guide rail groups. In the embodiment, the main busbar 20 is supported by the two guide rail groups, so as to improve the stability of the movement of the main busbar 20.

[0057] In the embodiment, the movable guide rail 320 is connected and fixed with the main busbar 20 through the main busbar 20 clamp.

[0058] In the embodiment, the mobile independent main busbar system of the low-voltage switch cabinet further comprises a longitudinal adjusting device comprising a longitudinal screw 410 and a positioning nut 420. The head of the longitudinal screw 410 is arranged on the base 10. The tail of the longitudinal screw 410 is screwed with the positioning nut 420 after passing through the mounting hole of the low-voltage switch cabinet.

[0059] In the embodiment, the longitudinal adjusting device is added to realize the longitudinal movement on the basis of the transverse movement of the main busbar 20. Specifically, the top of the cabinet body 60 of the low-voltage switch cabinet is provided with a mounting hole. The tail of the longitudinal screw 410 is screwed with the positioning nut 420 after passing through the mounting hole of the low-voltage switch cabinet. The height of the longitudinal screw 410 protruding from the mounting hole is changed by controlling the distance of the positioning nut 420 screwed into the longitudinal screw 410, so as to change the longitudinal position of the main busbar 20, so that the height of the main busbar 20 is consistent with the height of the main busbar 20 of the existing low-voltage cabinet.

[0060] In the embodiment, the main busbar 20 can move in the transverse direction and the longitudinal direction, so as to better cooperate with the main busbar 20 of the existing low-voltage switch cabinet. When the main busbar 20 moves, the copper bar will be adjusted. For example, the copper bar is divided into multiple connection bars for connection. The connection bars are connected through long round holes and bolts. When the main busbar moves, the position of the connection bar will change, but the change is limited by the long round holes and the bolts. After the position of the main busbar is determined, the position of the copper bar can be determined by tightening the bolt.

[0061] Further, the base 10 is provided with a through hole corresponding to the position of the longitudinal bolt 410; the longitudinal adjusting device further comprises a limiting nut 430; the tail of the longitudinal bolt 410 is screwed with the limiting nut 430 after passing through the through hole, so that the longitudinal bolt 410 is detachable relative to the base 10. In other embodiments, the longitudinal bolt 410 can be fixed on the base 10 by welding.

[0062] Embodiment 2

[0063] The embodiment also provides a mobile independent main busbar system of a low-voltage switch cabinet, which is applied to a low-voltage switch cabinet and comprises a base 10, a main busbar 20 arranged on the base 10, and a longitudinal adjusting device comprising a longitudinal bolt 410 and a positioning nut 420, wherein the head of the longitudinal bolt 410 is arranged on the base 10, and the tail of the longitudinal bolt 410 is screwed with the positioning nut 420 after passing through the mounting hole of the low-voltage switch cabinet.

[0064] Compared with the embodiment 1, the top of the cabinet body 60 of the low-voltage switch cabinet in the embodiment is provided with a mounting hole, the tail of the longitudinal bolt 410 is screwed with the positioning nut 420 after passing through the mounting hole of the low-voltage switch cabinet, the height of the longitudinal bolt 410 protruding from the mounting hole is changed by controlling the distance of the positioning nut 420 screwed into the longitudinal bolt 410, so as to change the longitudinal position of the main busbar 20, and the height of the main busbar 20 is consistent with the height of the main busbar 20 of the low-voltage cabinet on site.

[0065] In the embodiment, the base 10 is provided with a through hole corresponding to the position of the longitudinal bolt 410; the longitudinal adjusting device further comprises a limiting nut 430; the tail of the longitudinal bolt 410 is screwed with the limiting nut 430 after passing through the through hole.

[0066] According to the disclosure and teaching of the above description, the skilled in the art of the utility model can also change and modify the above embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should also fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model.

Claims

1. A mobile independent main busbar system of low voltage switchgear, which is applied to low voltage switchgear, characterized in that, It comprises: a base; a main busbar; a transverse adjusting device comprising a fixed guide rail and a movable guide rail in sliding fit with the fixed guide rail, wherein the fixed guide rail is fixed on the base and the movable guide rail is fixed on the main busbar.

2. The mobile independent main busbar system of the low-voltage switch cabinet according to claim 1, characterized in that: the fixed guide rail comprises a fixed part and guide parts arranged on the left and right sides of the fixed part, and the fixed part is fixedly connected with the base; the movable guide rail is sleeved outside the fixed guide rail, and the movable guide rail comprises a mounting part and extension parts arranged on the left and right sides of the mounting part, and the extension parts are in contact with the guide parts.

3. The mobile independent main busbar system of the low-voltage switch cabinet according to claim 1, characterized in that: the transverse adjusting device further comprises a connecting piece, a screw rod, a screw rod support seat and a driving mechanism; wherein, the screw rod support seat is fixed on the base; the screw rod is in rotational connection with the screw rod support seat; the length direction of the screw rod is consistent with the sliding direction of the movable guide rail, and the position of the screw rod is fixed relative to the base; the driving mechanism is in driving connection with one end of the screw rod; the connecting piece is connected with the movable guide rail, and the connecting piece is in threaded fit with the screw rod.

4. The mobile independent main busbar system of the low-voltage switch cabinet according to claim 3, characterized in that: the driving mechanism comprises a driving motor or a rocker.

5. The mobile independent main busbar system of the low-voltage switch cabinet according to claim 3, characterized in that: the number of the fixed guide rails and the movable guide rails is both two, and one fixed guide rail corresponds to one movable guide rail to form a guide rail group; the connecting piece, the screw rod and the screw rod support seat are located between the two guide rail groups.

6. The mobile independent main busbar system of the low-voltage switch cabinet according to claim 1, characterized in that: the movable guide rail is connected and fixed with the main busbar through a main busbar clamp.

7. Mobile free-standing main busbar system for low voltage switchgear according to any of claims 1 to 6, characterized in that It further comprises: a longitudinal adjusting device comprising a longitudinal screw and a positioning nut, wherein the head of the longitudinal screw is arranged on the base, and the tail of the longitudinal screw is in threaded fit with the positioning nut after passing through the mounting hole of the low-voltage switch cabinet.

8. The mobile independent main busbar system of the low-voltage switch cabinet according to claim 7, characterized in that: a through hole is arranged on the base corresponding to the position of the longitudinal screw; the longitudinal adjusting device further comprises a limiting nut; the tail of the longitudinal screw is in tight fit with the limiting nut after passing through the through hole.

9. A mobile independent main busbar system of a low voltage switchgear, which is applied to a low voltage switchgear, characterized in that, It comprises: a base; a main busbar arranged on the base; a longitudinal adjusting device comprising a longitudinal screw and a positioning nut, wherein the head of the longitudinal screw is arranged on the base, and the tail of the longitudinal screw is in threaded fit with the positioning nut after passing through the mounting hole of the low-voltage switch cabinet.

10. The mobile independent main busbar system of the low-voltage switch cabinet according to claim 9, characterized in that: a through hole is arranged on the base corresponding to the position of the longitudinal screw; the longitudinal adjusting device further comprises a limiting nut; the tail of the longitudinal screw is in tight fit with the limiting nut after passing through the through hole.