Bus clamp of power transmission and transformation equipment

Abstract

The utility model discloses a bus clamp of power transmission and transformation equipment, which relates to the technical field of bus clamps and comprises a main body unit, a clamping unit arranged in the main body unit and an adjusting unit arranged above the clamping unit. The clamping unit comprises a clamping plate movably arranged in the main body unit, and a telescopic spring of which one end is fixedly connected with the clamping plate and the other end is fixedly connected with the inner side wall of the main body unit; the adjusting unit comprises a U-shaped base arranged above the main body unit, a connecting base installed at the top of the main body unit, a threaded through hole formed in the U-shaped base, and an adjusting piece arranged in the threaded through hole and movably connected with the connecting base. According to the bus clamp of the power transmission and transformation equipment, through the arrangement of the clamping unit and the adjusting unit, clamping and fixing of buses of different sizes are realized, the fixing effect of the buses is improved, and the situation that the buses shake up and down in the bus clamp is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of busbar clamps, in particular to a busbar clamp for power transmission and transformation equipment. Background Art

[0002] Transmission and transformation equipment refers to equipment used to transmit and convert electrical energy, mainly including transformers, switchgear, cables, insulators, line towers, etc.; they constitute an important part of the power system and are used for the transmission, transformation, protection and distribution of electrical energy; busbar clamps are a type of electrical equipment used to connect and fix busbars; busbars are the main power conductors in the transmission and transformation system, used to transmit high-current electrical energy; the function of busbar clamps is to connect busbars, ensure smooth transmission of current, and provide stable electrical connections.

[0003] The search announcement number CN220754295U discloses a busbar clamp of power transmission and transformation equipment, including a lower mounting plate, a first slide groove is provided inside the lower mounting plate, a sliding block is slidably connected inside the lower mounting plate, the outer wall of the sliding block is slidably connected to the inner wall of the first slide groove, a second slide groove is provided inside the sliding block, a first spring is fixedly connected to one side of the inner wall of the sliding block, a clamping plate is fixedly connected to one end of the first spring, the outer wall of the clamping plate is slidably connected to the inner wall of the second slide groove, and a clamping block is arranged above the first slide groove. In the utility model, firstly, the effect of facilitating the fixing of the busbar is achieved through the cooperation between the structures such as the lower mounting plate, the first slide groove, the sliding block, the first spring and the clamping plate, etc., so as to solve the problem that the traditional busbar clamp is inconvenient to clamp and fix the busbar due to its simple structure, and improve the practicality of the busbar clamp.

[0004] Although the above scheme achieves the effect of facilitating the fixing of the busbar and solves the problem that the traditional busbar clamp is inconvenient to clamp and fix the busbar due to its simple structure, the fixing effects on busbars of different sizes are different, resulting in poor fixing effects for busbars of some sizes, and the busbars shake up and down inside the busbar clamp. For this reason, we propose a busbar clamp for power transmission and transformation equipment. Utility Model Content

[0005] The main purpose of the utility model is to provide a busbar clamp for power transmission and transformation equipment, which solves the problem that the fixing effects of busbars of different sizes are different, resulting in poor fixing effects of busbars of some sizes and up and down shaking inside the insulating busbar clamp, by providing a clamping unit and an adjusting unit.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A busbar clamp for power transmission and transformation equipment, comprising a main body unit, a clamping unit arranged inside the main body unit, and an adjusting unit arranged above the clamping unit;

[0008] The clamping unit comprises a clamping plate movably arranged inside the main unit, and a telescopic spring having one end fixedly connected to the clamping plate and the other end fixedly connected to the inner wall of the main unit;

[0009] The adjustment unit includes a U-shaped seat arranged above the main unit, a connecting seat installed on the top of the main unit, a threaded through hole opened inside the U-shaped seat, and an adjustment member arranged in the threaded through hole and movably connected to the connecting seat.

[0010] Preferably, the main unit includes a base, a matching seat installed on a side wall of the base, a matching groove opened on the other side wall of the base, and a connecting piece arranged in the matching groove.

[0011] Preferably, the connecting member includes a movable through hole opened in the side wall of the matching groove, a movable rod movably passing through and arranged in the movable through hole, a snap-fit ​​seat installed at one end of the movable rod located inside the matching groove, a stretching seat installed at the other end of the movable rod, and a return spring with one end fixedly connected to the snap-fit ​​seat and the other end fixedly connected to the side wall of the matching groove.

[0012] Preferably, the clamping unit further comprises a moving groove formed in the inner bottom wall of the base, and a moving plate installed at the bottom of the clamping plate and movably disposed in the moving groove.

[0013] Preferably, there are two groups of the clamping units, and the two groups of the clamping units are symmetrically arranged with respect to a bisecting plane of the base.

[0014] Preferably, the adjusting member comprises a threaded rod movably passing through and arranged inside the threaded through hole, and a screwing handle installed on the top of the threaded rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the utility model, by providing a clamping unit and an adjusting unit, when it is necessary to fix busbars of different sizes, first, the clamping plate is moved so that the two clamping plates are away from each other, and the telescopic spring is compressed, so that the busbar can pass through the base conveniently, and then, the force applied to the clamping plate is removed, and under the elastic force of the telescopic spring, the clamping plate moves toward the direction approaching the busbar until it fits with the busbar and stops, thereby achieving the clamping of the busbar; when the clamping of the busbar is completed, the threaded rod can be rotated by turning the screwing handle, and at this time the U-shaped seat can move up and down along the threaded rod until the distance between the U-shaped seat and the inner bottom wall of the base fits with the top of the busbar and stops, thereby achieving the clamping and fixing of busbars of different sizes, improving the fixing effect of the busbar, and avoiding the occurrence of the busbar shaking up and down inside the busbar clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle;

[0020] Figure 4 It is a right side structural schematic diagram of the utility model;

[0021] Figure 5 For this utility model Figure 4 Schematic diagram of the cross-sectional structure at BB in the middle.

[0022] In the figure:

[0023] 1. Main unit; 101. Base; 102. Matching seat; 103. Connector; 1031. Moving rod; 1032. Engaging seat; 1033. Return spring; 1034. Stretching seat;

[0024] 2. Clamping unit; 201. Clamping plate; 202. Telescopic spring; 203. Moving plate;

[0025] 3. Adjustment unit; 301. U-shaped seat; 302. Connecting seat; 303. Adjustment member; 3031. Threaded rod; 3032. Twist handle. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods. Example

[0027] like Figure 1 , Figure 2 , Figure 3 as well as Figure 4 As shown, a busbar clamp of a power transmission and transformation equipment comprises a main unit 1, a clamping unit 2 arranged inside the main unit 1, and an adjusting unit 3 arranged above the clamping unit 2;

[0028] like Figure 5 As shown, the clamping unit 2 includes a clamping plate 201 movably arranged inside the main unit 1, and a telescopic spring 202 having one end fixedly connected to the clamping plate 201 and the other end fixedly connected to the inner wall of the main unit 1. The arrangement of the telescopic spring 202 enables the clamping plate 201 to fit tightly with the side wall of the busbar;

[0029] like Figure 2As shown, the adjustment unit 3 includes a U-shaped seat 301 arranged above the main unit 1, a connecting seat 302 installed on the top of the main unit 1, a threaded through hole opened inside the U-shaped seat 301, and an adjustment member 303 arranged in the threaded through hole and movably connected to the connecting seat 302. The setting of the adjustment member 303 can enable the U-shaped seat 301 to move up and down.

[0030] like Figure 1 As shown, the main unit 1 includes a base 101, a mating seat 102 installed on the side wall of the base 101, a mating groove opened on the other side wall of the base 101, and a connecting piece 103 arranged in the mating groove. The arrangement of the connecting piece 103 and the mating seat 102 can realize the rapid connection and assembly between different busbar clamps.

[0031] like Figure 3 As shown, the connecting member 103 includes a movable through hole opened in the side wall of the matching groove, a moving rod 1031 that movably passes through and is arranged in the movable through hole, a snap-fit ​​seat 1032 installed at one end of the moving rod 1031 located inside the matching groove, a stretching seat 1034 installed at the other end of the moving rod 1031, and a return spring 1033 with one end fixedly connected to the snap-fit ​​seat 1032 and the other end fixedly connected to the side wall of the matching groove. During the movement of the stretching seat 1034, the snap-fit ​​seat 1032 can be driven to move synchronously through the moving rod 1031.

[0032] like Figure 1 and Figure 3 As shown, there are two groups of clamping units 2, and the two groups of clamping units 2 are symmetrically arranged with respect to a bisecting plane of the base 101, so as to achieve tight clamping of the busbar.

[0033] like Figure 4 As shown, the adjusting member 303 includes a threaded rod 3031 that is movably inserted through and disposed inside the threaded through hole, and a screwing handle 3032 installed on the top of the threaded rod 3031 . The setting of the screwing handle 3032 facilitates the rotation of the threaded rod 3031 .

[0034] When busbars of different sizes need to be fixed, first, the clamping plate 201 is moved so that the two clamping plates 201 are away from each other, and the telescopic spring 202 is compressed so that the busbar can easily pass through the base 101. Subsequently, the force applied to the clamping plate 201 is removed, and under the elastic force of the telescopic spring 202, the clamping plate 201 moves toward the direction approaching the busbar until it fits with the busbar and stops, thereby achieving the clamping of the busbar. Example

[0035] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5As shown, a busbar clamp of a power transmission and transformation equipment comprises a main unit 1, a clamping unit 2 arranged inside the main unit 1, and an adjusting unit 3 arranged above the clamping unit 2;

[0036] like Figure 5 As shown, the clamping unit 2 includes a clamping plate 201 movably arranged inside the main unit 1, and a telescopic spring 202 having one end fixedly connected to the clamping plate 201 and the other end fixedly connected to the inner wall of the main unit 1. The arrangement of the telescopic spring 202 enables the clamping plate 201 to fit tightly with the side wall of the busbar;

[0037] like Figure 2 As shown, the adjustment unit 3 includes a U-shaped seat 301 arranged above the main unit 1, a connecting seat 302 installed on the top of the main unit 1, a threaded through hole opened inside the U-shaped seat 301, and an adjustment member 303 arranged in the threaded through hole and movably connected to the connecting seat 302. The setting of the adjustment member 303 can enable the U-shaped seat 301 to move up and down.

[0038] like Figure 1 As shown, the main unit 1 includes a base 101, a mating seat 102 installed on the side wall of the base 101, a mating groove opened on the other side wall of the base 101, and a connecting piece 103 arranged in the mating groove. The arrangement of the connecting piece 103 and the mating seat 102 can realize the rapid connection and assembly between different busbar clamps.

[0039] like Figure 3 As shown, the connecting member 103 includes a movable through hole opened in the side wall of the matching groove, a moving rod 1031 that movably passes through and is arranged in the movable through hole, a snap-fit ​​seat 1032 installed at one end of the moving rod 1031 located inside the matching groove, a stretching seat 1034 installed at the other end of the moving rod 1031, and a return spring 1033 with one end fixedly connected to the snap-fit ​​seat 1032 and the other end fixedly connected to the side wall of the matching groove. During the movement of the stretching seat 1034, the snap-fit ​​seat 1032 can be driven to move synchronously through the moving rod 1031.

[0040] like Figure 5 As shown, the clamping unit 2 also includes a movable groove opened in the bottom wall of the base 101, and a movable plate 203 installed at the bottom of the clamping plate 201 and movably arranged in the movable groove. The arrangement of the movable plate 203 provides a guiding function for the left and right movement of the movable plate 203.

[0041] like Figure 1 and Figure 3 As shown, there are two groups of clamping units 2, and the two groups of clamping units 2 are symmetrically arranged with respect to a bisecting plane of the base 101, so as to achieve tight clamping of the busbar.

[0042] like Figure 4As shown, the adjusting member 303 includes a threaded rod 3031 that is movably inserted through and disposed inside the threaded through hole, and a screwing handle 3032 installed on the top of the threaded rod 3031 . The setting of the screwing handle 3032 facilitates the rotation of the threaded rod 3031 .

[0043] When the busbar is clamped, the threaded rod 3031 can be rotated by turning the screw handle 3032. At this time, the U-shaped seat 301 can move up and down along the threaded rod 3031 until the distance between the U-shaped seat 301 and the inner bottom wall of the base 101 fits with the top of the busbar and then stops, thereby achieving clamping and fixing of busbars of different sizes, improving the fixing effect of the busbar, and avoiding the busbar from shaking up and down inside the busbar clamp.

[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A busbar clamp for power transmission and transformation equipment, comprising a main unit (1), characterized in that: It also comprises a clamping unit (2) arranged inside the main body unit (1), and an adjustment unit (3) arranged above the clamping unit (2); The clamping unit (2) comprises a clamping plate (201) movably arranged inside the main body unit (1), and a telescopic spring (202) having one end fixedly connected to the clamping plate (201) and the other end fixedly connected to the inner wall of the main body unit (1); The adjustment unit (3) comprises a U-shaped seat (301) arranged above the main unit (1), a connecting seat (302) installed on the top of the main unit (1), a threaded through hole provided inside the U-shaped seat (301), and an adjustment member (303) arranged in the threaded through hole and movably connected to the connecting seat (302).

2. A busbar clamp for power transmission and transformation equipment according to claim 1, characterized in that: The main unit (1) comprises a base (101), a matching seat (102) mounted on a side wall of the base (101), a matching groove provided on another side wall of the base (101), and a connecting piece (103) arranged in the matching groove.

3. A busbar clamp for power transmission and transformation equipment according to claim 2, characterized in that: The connecting member (103) comprises a movable through hole provided in the side wall of the matching groove, a movable rod (1031) movably passing through and arranged in the movable through hole, a snap-fit ​​seat (1032) installed at one end of the movable rod (1031) located inside the matching groove, a stretching seat (1034) installed at the other end of the movable rod (1031), and a return spring (1033) having one end fixedly connected to the snap-fit ​​seat (1032) and the other end fixedly connected to the side wall of the matching groove.

4. A busbar clamp for power transmission and transformation equipment according to claim 3, characterized in that: The clamping unit (2) further comprises a movable groove formed in the inner bottom wall of the base (101), and a movable plate (203) mounted on the bottom of the clamping plate (201) and movably disposed in the movable groove.

5. The busbar clamp of power transmission and transformation equipment according to claim 1, characterized in that: There are two groups of the clamping units (2), and the two groups of the clamping units (2) are symmetrically arranged with respect to a bisecting plane of the base (101).

6. A busbar clamp for power transmission and transformation equipment according to claim 5, characterized in that: The adjusting member (303) comprises a threaded rod (3031) movably penetrating and arranged inside the threaded through hole, and a screwing handle (3032) mounted on the top of the threaded rod (3031).

Images