CN219833211U

CN219833211U - Switch cabinet bus grounding device

Info

Publication number: CN219833211U
Application number: CN202321063885.0U
Authority: CN
Inventors: 唐瑞仙; 罗世方
Original assignee: Nanjing Tian Jing Shan Electrical Equipment Co ltd
Current assignee: Nanjing Tian Jing Shan Electrical Equipment Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-10-13
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a switch cabinet bus grounding device which comprises a shell assembly and an anti-pulling assembly, wherein the shell assembly comprises a protective shell and a clamping groove formed in the front wall of the protective shell, the anti-pulling assembly comprises a traction seat arranged on the top wall of the protective shell, a tension spring movably arranged at the bottom of the traction seat, a sliding clamping block movably arranged at the bottom of the tension spring, a buffer sleeve movably arranged at one side of the sliding clamping block, a pull rod movably arranged at one side of the buffer sleeve, a positioning pin movably arranged at one side of the pull rod, a linkage shaft movably arranged at the outer side of the positioning pin, a limiting roller arranged at the bottom of the linkage shaft and a hinging seat movably arranged at the top of the linkage shaft.

Description

Switch cabinet bus grounding device

Technical Field

The utility model relates to the technical field of bus grounding devices, in particular to a switch cabinet bus grounding device.

Background

The switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, is used for transmission, distribution and electric energy conversion, and in order to ensure the use safety of the switch cabinet, the bus of the switch cabinet is often required to be grounded,

the existing switch cabinet bus grounding device is characterized in that when the grounding wire is externally connected with the grounding wire, if the grounding wire is pulled, the grounding wire is easy to loosen from the connecting position of the grounding wire and the bus, therefore, the grounding wire is buffered by adopting the roller matched spring, but the grounding wire is unevenly stressed due to the stress in the vertical direction, the grounding wire is more easy to damage, and certain potential safety hazards are definitely buried.

Disclosure of Invention

The utility model aims to provide a switch cabinet bus grounding device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cubical switchboard generating line earthing device, includes the casing subassembly and prevents pulling the subassembly, the casing subassembly includes the protective housing and sets up the draw-in groove at protective housing antetheca, prevent pulling the subassembly including installing the traction seat of protective housing roof, movable mounting in the extension spring of traction seat bottom, movable mounting in the slip fixture block of extension spring bottom, movable mounting is in the buffer sleeve of slip fixture block one side, movable mounting is in the pull rod of buffer sleeve one side, movable mounting is in the locating pin of pull rod one side, movable mounting is in the universal driving shaft in the locating pin outside, the limiting roller of installing in the universal driving shaft bottom and movable mounting is at the articulated seat at the universal driving shaft top.

Preferably, the outer side of the sliding clamping block is contacted with the inner wall of the clamping groove.

Preferably, the top of the hinge seat is connected with the top wall of the protective shell, and the hinge seat is located at one side of the traction seat.

Preferably, through holes are symmetrically formed in the outer surface of the buffer sleeve.

Preferably, a piston plate is arranged on the other side of the pull rod, the piston plate is positioned in the buffer sleeve, and a rubber sleeve is arranged on the outer side of the piston plate.

Preferably, the two sides of the protective shell are provided with line holes in a staggered mode.

Preferably, the bottom wall of the protective housing is provided with a support column, and the top of the support column is provided with a steering limiting wheel.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:

1. when external force pulls the ground wire, the ground wire generates a oblique upward force, the force obliquely pushes the limit roller upward, the limit roller moves obliquely upward, the limit roller pulls the linkage shaft to rotate around the hinge seat, at the moment, one side of the linkage shaft pulls the pull rod and the buffer sleeve, the sliding clamping block slides in the clamping groove, the sliding clamping block stretches the tension spring, the tension spring deforms and is elongated, the tension force for sharing the ground wire is achieved, the connection firmness is ensured, and the length of the stretched tension spring can be further prolonged through a connecting shaft structure formed among the tension spring, the buffer sleeve, the pull rod and the linkage shaft, and the device can resist more serious pulling.

2. When the external force disappears and the tension spring is reset, the linkage shaft impacts the buffer sleeve through the tension spring from the opposite direction, the piston plate on the tension spring can compress air in the buffer sleeve, the air is compressed and discharged through the through hole formed in the buffer sleeve, the buffer effect is achieved in the process, the ground wire is prevented from being pulled for the second time, and good protection is achieved.

Drawings

Fig. 1 is a schematic perspective view of the whole device of the present utility model.

FIG. 2 is a schematic cross-sectional view of the tear resistant assembly of the present utility model.

FIG. 3 is a schematic cross-sectional view of a damping sleeve according to the present utility model.

In the figure: 100. a housing assembly; 101. a protective shell; 102. a clamping groove; 103. a wire hole;

200. an anti-tear assembly; 201. a traction seat; 202. a tension spring; 203. sliding the clamping block; 204. a buffer sleeve; 205. a pull rod; 206. a positioning pin; 207. a linkage shaft; 208. limiting idler wheels; 209. a hinge base; 210. a support post; 211. and steering the limiting wheel.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

referring to fig. 1-3, a switchgear bus grounding device;

including extension spring 202, buffer sleeve 204, pull rod 205, universal driving shaft 207 and spacing gyro wheel 208, draw-in groove 102 has been seted up to the front wall of protective housing 101, the line hole 103 has been seted up to the both sides dislocation of protective housing 101, traction seat 201 is installed to the roof of protective housing 101, the bottom movable mounting of traction seat 201 has extension spring 202, the bottom movable mounting of extension spring 202 has slide fixture block 203, the outside and the inner wall of draw-in groove 102 of slide fixture block 203 contact each other, one side movable mounting of slide fixture block 203 has buffer sleeve 204, one side movable mounting of buffer sleeve 204 has pull rod 205, the through-hole has been seted up to buffer sleeve 204's surface symmetry, the piston plate is located buffer sleeve 204's inside, the piston plate outside is provided with the rubber sleeve, one side movable mounting of pull rod 205 locating pin 206, the outside movable mounting of locating pin 206 has universal driving shaft 207, the bottom of universal driving shaft 207 has spacing gyro wheel 208, the top movable mounting of universal driving shaft 207 has hinge seat 209, the top of hinge seat 209 is connected with the roof of protective housing 101, hinge seat 209 is located one side of traction seat 201, the top 210 of the pillar 210 of protective housing 101 installs the spacing of steering wheel 211.

Specifically, when the device is used, the protective shell 101 forms the main structure of the device and is used for providing an installation position for other structures, the stability of other structures during operation is ensured, the limit ring is arranged on the protective shell 101, the ground wire can be limited, when the bus of the switch cabinet is grounded, the bus and the ground wire are respectively connected from the two side wire holes 103, one end of the ground wire bypasses the steering limit wheel 211 and then winds onto the limit roller 208, the steering limit wheel 211 and the limit roller 208 are all concave rollers, the ground wire can be limited when the ground wire winds around, finally the ground wire passes through the limit ring and the bus to be connected, thereby achieving the aim of grounding the bus, when external force is used for pulling the ground wire, the ground wire can be stretched under the action of external force, in the tightening process, a obliquely upward force is generated by the ground wire, the limit roller 208 is obliquely upwards pushed, in the oblique upward direction, in the moving process, the limit roller 208 rotates around the hinging seat 209, the connecting tension spring 205 and the connecting sleeve 205 to one side of the limiting shaft 207, the sliding sleeve 205, the sliding sleeve 202 and the sliding sleeve 202 are pulled by the extension spring 205, the sliding sleeve 204 can be further stressed by the sliding sleeve 204, the sliding sleeve 204 can be prevented from being severely deformed by the sliding sleeve 204, and the sliding sleeve 204 can be further stressed by the sliding sleeve 204, and the sliding sleeve 204 can be prevented from being deformed by the sliding sleeve 204, and the sliding sleeve 202 can be prevented from the inner side of the sliding sleeve 204, air is compressed and discharged through the through holes formed in the buffer sleeve 204, so that the buffer effect is achieved in the process, the ground wire is prevented from being pulled for the second time, and good protection is achieved.

Working principle: when the switch cabinet bus is grounded, the bus and the ground wire are respectively connected from the two wire holes 103 on two sides, one end of the ground wire bypasses the steering limit wheel 211 and then winds the limit roller 208, finally the ground wire passes through the limit ring and is connected with the bus, thereby reaching the purpose of grounding the bus, when external force pulls the ground wire, the ground wire generates a obliquely upward force, the force obliquely pushes the limit roller 208 upwards, the limit roller 208 pulls the linkage shaft 207 to rotate around the hinging seat 209, at the moment, the linkage shaft 207 pulls the pull rod 205 and the buffer sleeve 204 to one side, the sliding clamping block 203 slides in the clamping groove 102, the sliding clamping block 203 stretches the tension spring 202, the tension spring 202 plays a role of sharing the tension force born by the ground wire, the connection firmness is ensured, when the external force disappears and the tension spring 202 resets, the linkage shaft 207 impacts the buffer sleeve 204 through the pull rod 205 from the opposite direction, the air in the buffer sleeve 204 is compressed by the air on the pull rod 205, the air is compressed through the through hole formed in the buffer sleeve 204, and the buffer piston effect is played in the process.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A switchgear busbar grounding device, comprising:

the shell assembly (100) comprises a protective shell (101) and a clamping groove (102) formed in the front wall of the protective shell (101);

the anti-pulling assembly (200) comprises a traction seat (201) arranged on the top wall of the protective shell (101), a tension spring (202) movably arranged at the bottom of the traction seat (201), a sliding clamping block (203) movably arranged at the bottom of the tension spring (202), a buffer sleeve (204) movably arranged at one side of the sliding clamping block (203), a pull rod (205) movably arranged at one side of the buffer sleeve (204), a positioning pin (206) movably arranged at one side of the pull rod (205), a linkage shaft (207) movably arranged at the outer side of the positioning pin (206), a limiting roller (208) arranged at the bottom of the linkage shaft (207) and a hinging seat (209) movably arranged at the top of the linkage shaft (207).

2. The switchgear busbar grounding device according to claim 1, characterized in that the outer side of the sliding clamping block (203) is in contact with the inner wall of the clamping groove (102).

3. A switchgear busbar earthing device according to claim 1, characterized in that the top of the hinge seat (209) is connected to the top wall of the protective shell (101), the hinge seat (209) being located on one side of the traction seat (201).

4. The switchgear busbar grounding device according to claim 1, wherein the outer surface of the buffer sleeve (204) is symmetrically provided with through holes.

5. A switchgear busbar earthing device according to claim 1, characterized in that a piston plate is mounted on the other side of the pull rod (205), the piston plate being located inside the buffer sleeve (204), a rubber sleeve being provided on the outside of the piston plate.

6. The switchgear busbar grounding device according to claim 1, characterized in that wire holes (103) are formed in the two sides of the protective shell (101) in a staggered manner.

7. The switchgear busbar earthing device according to claim 1, characterized in that the bottom wall of the protective shell (101) is provided with a support column (210), the top of the support column (210) is provided with a steering limit wheel (211).