CN223540096U

CN223540096U - A main busbar connection device for a low-voltage distribution cabinet

Info

Publication number: CN223540096U
Application number: CN202422780507.5U
Authority: CN
Inventors: 谢志刚; 习伟才
Original assignee: Guangdong Runhe Electric Technology Co ltd
Current assignee: Guangdong Runhe Electric Technology Co ltd
Priority date: 2024-11-14
Filing date: 2024-11-14
Publication date: 2025-11-11
Anticipated expiration: 2034-11-14

Abstract

The utility model relates to the technical field of main busbar, in particular to a main busbar lap joint device of a low-voltage power distribution cabinet, which comprises a support frame and main busbar plates, wherein the support frame is arranged in the low-voltage power distribution cabinet, and the main busbar plates are all arranged above the support frame, and the main busbar lap joint device is characterized by further comprising: and the four sleeves are respectively connected with one side of the main busbar plate in a rotating way. The four worm wheels are fixedly connected to one side of the sleeve, the four screws are in threaded connection with the corresponding worm wheels, the two worms are movably connected to one side of the main busbar plate and meshed with the corresponding two worm wheels, and the two first bevel gears are fixedly connected to the tops of the corresponding worms. The utility model has the advantages that the uniformly fastened screw connection reduces the risk of electrical faults caused by loosening or poor contact, improves the safety of the system, ensures the consistency of fastening torque of all screws, and avoids the improper fastening of individual screws caused by negligence or fatigue of operators.

Description

Main busbar lap joint device of low-voltage power distribution cabinet

Technical Field

The utility model relates to the technical field of main busbar, in particular to a main busbar lap joint device of a low-voltage power distribution cabinet.

Background

In a modern power system, a low-voltage power distribution cabinet is one of important equipment for ensuring safe and reliable power supply, and a main busbar is used as a core component of the low-voltage power distribution cabinet and is mainly used for distributing and transmitting electric energy and connecting various electric elements and loads;

At present, when the main busbar of the low-voltage power distribution cabinet is in lap joint installation, a traditional screw connection mode is still adopted, specifically, an operator needs to screw each screw one by one to fix the connection between the main busbar and each electric element, and the mode can ensure the reliability of connection to a certain extent, but the following defects also exist:

The installation efficiency is low, the process of installing the electric elements one by one is time-consuming and labor-consuming, and especially in a large-scale power distribution cabinet, when a plurality of electric elements are required to be connected, the installation time is obviously increased;

Due to the fact that the number of the screws is large, operators are easy to neglect in the installation process, certain screws do not reach standard fastening torque, even if the screws reach the standard in the installation process, after long-time operation, the screws can be loosened gradually due to factors such as vibration and temperature change, and stability and safety of a system are affected.

Aiming at the problems, we propose a main busbar lap joint device of a low-voltage power distribution cabinet.

Disclosure of utility model

The utility model discloses a main busbar lap joint device of a low-voltage power distribution cabinet, and aims to solve the technical problem in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The main busbar lap joint device of the low-voltage power distribution cabinet comprises a support frame and main busbar plates, wherein the support frame is arranged in the low-voltage power distribution cabinet, and the main busbar plates are arranged above the support frame. The four worm wheels are fixedly connected to one side of the sleeve, the four screws are in threaded connection with the corresponding worm wheels, the two worms are movably connected to one side of the main busbar plate and in meshed connection with the corresponding two worm wheels, the two first bevel gears are fixedly connected to the top of the corresponding worm wheels, the adjusting rod is arranged on one side of the main busbar plate, four fixing plates are fixedly connected to one side of the supporting frame, the worm is rotatably connected between the corresponding two fixing plates, the adjusting rod is rotatably connected between the two fixing plates, two second bevel gears are fixedly connected to the outer portion of the adjusting rod, and the second bevel gears are in meshed connection with the corresponding first bevel gears.

The outside swing joint of support frame has the low-pressure to open, the input that the low-pressure was opened all is provided with first connecting wire, the top of main busbar board all is provided with the second connecting wire, the equal fixedly connected with overlap joint in top and the bottom of second connecting wire of first connecting wire, the overlap joint is all used with main busbar board cooperation through the screw, the fixed slot has been seted up to the inside equidistance of support frame.

The main busbar lap joint device of the low-voltage power distribution cabinet provided by the utility model has the following advantages:

According to the utility model, the second bevel gear fixedly connected with the outside of the adjusting rod is meshed with the first bevel gear by rotating the adjusting rod, so that the first bevel gear rotates, the corresponding worm is driven to rotate by the rotation of the first bevel gear, the worm is meshed with the worm wheel, the worm wheel rotates, the sleeve is driven to rotate by the rotation of the worm wheel, and the sleeve is in threaded connection with the screw, so that on one hand, the risk of electrical faults caused by loosening or poor contact is reduced by uniformly fastened screw connection, the safety of a system is improved, on the other hand, the fastening moment of all screws is ensured to be consistent by simultaneous fastening, and the improper fastening of individual screws caused by negligence or fatigue of operators is avoided, and compared with the traditional device, the operation quality and the use efficiency are greatly improved.

Drawings

Fig. 1 is a first perspective view of a main busbar overlapping device of a low-voltage power distribution cabinet according to the present utility model.

Fig. 2 is a second perspective schematic view of a main busbar overlapping device of a low-voltage power distribution cabinet according to the present utility model.

Fig. 3 is an isometric view of a main busbar board of a main busbar bridging device of a low-voltage power distribution cabinet.

Fig. 4 is an isometric view of a main busbar board of a main busbar bridging device of a low-voltage power distribution cabinet.

Fig. 5 is an enlarged view at a in fig. 4.

In the drawing, 1, a supporting frame, 2, a main busbar plate, 3, a sleeve, 4, a worm wheel, 5, a screw, 6, a fixing plate, 7, a worm, 8, a first bevel gear, 9, an adjusting rod, 10, a second bevel gear, 11, a low-pressure opening, 12, a first connecting wire, 13, a second connecting wire, 14, a lap joint, 15 and a fixing groove.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.

The utility model discloses a main busbar lap joint device of a low-voltage power distribution cabinet, which is mainly applied to a scene of main busbar.

Referring to fig. 1 and 2, a main busbar overlap joint device of low-voltage power distribution cabinet, including support frame 1 and main busbar board 2, support frame 1 sets up the inside at low-voltage power distribution cabinet, main busbar board 2 all sets up the top at support frame 1, a serial communication port, still include, four sleeves 3, sleeve 3 all rotates the one side that is connected with main busbar board 2, four worm wheel 4, worm wheel 4 all fixed connection is in one side of sleeve 3, four screws 5, screw 5 all with correspond worm wheel 4 threaded connection, two worms 7, worm 7 all swing joint is in one side of main busbar board 2 and with correspond two worm wheel 4 meshing connection, two first bevel gears 8, first bevel gears 8 all fixed connection is at the top that corresponds worm 7, adjust pole 9 sets up in one side of main busbar board 2, one side fixedly connected with four fixed plates 6 of support frame 1, worm 7 all rotates to be connected between corresponding two fixed plates 6, adjust pole 9 rotates to be connected between two wherein, adjust pole 9's outside fixedly connected with two second bevel gears 10, second bevel gears 10 all mesh with first bevel gears 8.

When the device is used, the worm 7 and the worm wheel 4 are meshed for transmission, fine adjustment accuracy and stability of the main busbar plate 2 are guaranteed, lap joint accuracy is improved, the first bevel gear 8 and the second bevel gear 10 are meshed for transmission, rotation of the adjusting rod 9 is guaranteed to be effectively transmitted to the worm 7, adjustment of the position of the main busbar plate is achieved, the screw 5 and the sleeve 3 are in threaded connection, fixed connection of the lap joint 14 and the main busbar plate 2 is guaranteed, connection looseness is prevented, electric fault risks caused by looseness or poor contact are reduced, and safety of a system is improved.

The outside swing joint of support frame 1 has the low-pressure to open 11, and the input that the low-pressure was opened 11 all is provided with first connecting wire 12, and the top of main busbar board 2 all is provided with second connecting wire 13, and the equal fixedly connected with overlap joint 14 in the bottom of first connecting wire 12 and second connecting wire 13, overlap joint 14 all use with main busbar board 2 cooperation through screw 5, and fixed slot 15 has been seted up to the inside equidistance of support frame 1.

Working principle: during the use, install the low pressure in the fixed slot 15 of support frame 1 with the low pressure in opening 11, ensure the steadiness of low pressure in opening 11, the equal fixed connection overlap joint 14 in top and the bottom of second connecting wire 13 of first connecting wire 12, overlap joint 14 is used for being connected with main busbar board 2, through rotating regulation pole 9, the outside fixed connection's of regulation pole 9 second bevel gear 10 and first bevel gear 8 meshing are connected, thereby make first bevel gear 8 rotatory, the rotation of first bevel gear 8 drives corresponding worm 7 rotatory, worm 7 and worm wheel 4 meshing are connected, make worm wheel 4 rotatory, the rotation of worm wheel 4 drives sleeve 3 rotatory, sleeve 3 and screw 5 threaded connection, overlap joint 14 and the screw 5 cooperation use on main busbar board 2 with first connecting wire 12, screw 5 is with overlap joint 14 is fixed on main busbar board 2, the same through screw 5 is fixed on main busbar board 2, ensure the fastness and the reliability of connection, connect the other end of first connecting wire 12 to the input of low pressure in opening 11, the other end is connected to the second connecting wire 13 or the other end, the other end is connected to the corresponding worm 7 meshing, can avoid the surprise of the special quality of operation device to realize with the surprise that the special quality is not equal to the realization of the operation, the quality is easy or the realization, the quality of the device is not fastened with the realization of the special equipment is easy operation, when the quality is easy to be used.

The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. The substitutions may be partial structures, devices, or method steps, or may be a complete solution. The technical proposal and the utility model concept are equivalent to or changed in accordance with the utility model, and the utility model is covered in the protection scope of the utility model.

Claims

1. A main busbar connection device for a low-voltage distribution cabinet, comprising a support frame (1) and main busbar plates (2), wherein the support frame (1) is disposed inside the low-voltage distribution cabinet, and the main busbar plates (2) are all disposed above the support frame (1), characterized in that it further comprises:

Four sleeves (3), each sleeve (3) is rotatably connected to one side of the main female plate (2);

Four worm gears (4) are fixedly connected to one side of the sleeve (3);

Four screws (5), each screw (5) is threadedly connected to the corresponding worm gear (4);

Two worm gears (7) are movably connected to one side of the main female plate (2) and mesh with the corresponding two worm wheels (4);

Two first bevel gears (8) are fixedly connected to the top of the corresponding worm (7);

Adjusting rod (9), the adjusting rod (9) is set on one side of the main busbar plate (2);

The support frame (1) is externally connected to a low-voltage circuit breaker (11), and the input end of the low-voltage circuit breaker (11) is provided with a first connecting line (12).

2. The main busbar connection device of a low-voltage distribution cabinet according to claim 1, characterized in that four fixing plates (6) are fixedly connected to one side of the support frame (1), and the worm gear (7) is rotatably connected between two corresponding fixing plates (6).

3. The main busbar connection device of a low-voltage distribution cabinet according to claim 1, characterized in that the adjusting rod (9) is rotatably connected between two of the fixing plates (6).

4. The main busbar connection device of a low-voltage distribution cabinet according to claim 3, characterized in that the adjusting rod (9) is externally fixedly connected to two second bevel gears (10), and each of the second bevel gears (10) is meshed with the corresponding first bevel gear (8).

5. The main busbar splicing device of a low-voltage distribution cabinet according to claim 1, characterized in that a second connecting line (13) is provided on the top of the main busbar plate (2), and a splice (14) is fixedly connected to the top of the first connecting line (12) and the bottom of the second connecting line (13), and the splice (14) is used in conjunction with the main busbar plate (2) by screws (5).

6. The main busbar connection device of a low-voltage distribution cabinet according to claim 1, characterized in that the support frame (1) is provided with fixed grooves (15) at equal intervals inside.