CN219017933U

CN219017933U - Electricity testing grounding ring

Info

Publication number: CN219017933U
Application number: CN202222992284.XU
Authority: CN
Inventors: 孔祺荣
Original assignee: Suzhou Huihai Precision Technology Co ltd
Current assignee: Suzhou Huihai Precision Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-05-12
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses an electricity testing grounding ring which comprises a grounding ring body, wherein two fixing plates are symmetrically and fixedly connected to the front and rear of the upper end of the grounding ring body, two rotating shafts are symmetrically and rotatably connected to the opposite sides of the two fixing plates, clamping plates are symmetrically and fixedly connected to the two rotating shafts, clamping grooves are formed in the opposite sides of the two clamping plates, a cable is clamped and fixedly arranged in the clamping grooves, a first insulating protection cover and a second insulating protection cover are fixedly connected to the opposite sides of the two clamping plates respectively, and a separating and combining mechanism for separating and closing the first insulating protection cover and the second insulating protection cover is arranged in the grounding ring body. According to the utility model, the torsion bar rotates the threaded rod, the sliding plate and the two fixing plates slide in a limiting manner, the sliding plate drives the two racks connected with the sliding plate to descend, and the two clamping plates/insulating protective covers are driven to be relatively close under the meshing of the racks and the gears until the cable is firmly, stably and conveniently fixed in the clamping groove.

Description

Electricity testing grounding ring

Technical Field

The utility model relates to the technical field of electricity-checking grounding rings, in particular to an electricity-checking grounding ring.

Background

In the subway line maintenance process, in order to ensure the safety of maintenance personnel, the ground protection wire is hung after the circuit is required to be identified to be electroless, and the ground wire clamp and the wire are required to be reliably contacted when the ground wire is required to be hung, so that the electricity-testing ground ring is required to be used. The existing electricity checking grounding ring is not convenient enough for fixing the cable and is not beneficial to the development of overhaul work.

For this reason, we propose an electroscopic grounding ring to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide an electricity testing grounding ring to solve the problems that the cable is not convenient enough to fix and is not beneficial to the maintenance work opening.

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

the utility model provides an electroscope ground ring, includes the ground ring body, symmetry fixedly connected with two fixed plates around the upper end of ground ring body, two fixed plate opposite side symmetry rotates and is connected with two pivots, two pivot symmetry fixedly connected with splint, two the centre gripping groove has all been seted up to the opposite side of splint, two centre gripping groove centre gripping jointly is fixed with the cable, two splint are opposite side respectively fixedly connected with first insulating safety cover and the insulating safety cover of second, be equipped with in the ground ring body and be used for making the separating and closing mechanism of first insulating safety cover and the insulating safety cover separation of second.

Preferably, the first insulating protection cover and the second insulating protection cover are in sealing sliding connection with the two fixing plates, and the upper end of the first insulating protection cover is provided with a protruding blocking edge.

Preferably, the lower ends of the first insulating protective cover and the second insulating protective cover are fixedly connected with insulating cloth in a sealing manner with the upper end of the grounding ring body.

Preferably, the opening and closing mechanism comprises gears coaxially and fixedly sleeved on the rotating shafts, grooves for accommodating the gears are formed in the side faces of the clamping plates, sliding connection is formed between the fixing plates, racks meshed with the gears are fixedly connected to the two sides of the sliding plates, a thread groove is formed in the lower end of the sliding plate, a threaded rod is connected to the thread groove in a threaded mode, and a torsion bar penetrates through the grounding ring body and is fixedly connected to the lower end of the threaded rod.

Preferably, the upper end of the grounding ring body is provided with a through hole in clearance fit with the threaded rod, and the upper port and the lower port of the through hole are rotationally connected with the threaded rod by using bearings.

Preferably, the clamping groove is an isosceles trapezoid groove, and one end of the clamping groove with a larger notch is arranged oppositely.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the torsion bar rotates the threaded rod, the sliding plate and the two fixing plates slide in a limiting manner, the sliding plate drives the two racks connected with the sliding plate to descend, and the two clamping plates/insulating protective covers are driven to be relatively close under the meshing of the racks and the gears until the cable is firmly, stably and conveniently fixed in the clamping groove.

Drawings

FIG. 1 is a cross-sectional view of the front face of an electroscopic grounding ring according to the present utility model;

fig. 2 is a schematic top view of a connection part of an electroscopic grounding ring fixing plate, a first insulating protection cover and a second insulating protection cover according to the present utility model.

In the figure: 1 grounding ring body, 2 fixed plates, 3 pivots, 4 gears, 5 clamping plates, 6 clamping grooves, 7 first insulating protective covers, 8 second insulating protective covers, 9 blocking edges, 10 sliding plates, 11 racks, 12 insulating cloths, 13 threaded rods, 14 through holes and 15 torsion bars.

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.

Referring to fig. 1-2, an electricity testing grounding ring comprises a grounding ring body 1, two fixing plates 2 are symmetrically and fixedly connected to the front and back of the upper end of the grounding ring body 1, two rotating shafts 3 are symmetrically and rotatably connected to the opposite sides of the two fixing plates 2, clamping grooves 6 are formed in opposite sides of the two rotating shafts 3 in a symmetrical and fixedly connected mode, cables are commonly clamped and fixed in the two clamping grooves 6, the clamping grooves 6 are isosceles trapezoid grooves, one ends with larger notch of the clamping grooves 6 are oppositely arranged, and the clamping grooves 6 are arranged in a shape, so that the electricity testing grounding ring can be suitable for cables with circular cross sections.

In order to reduce the influence of external factors, additionally provided are: the two opposite sides of the clamping plate 5 are fixedly connected with the first insulating protection cover 7 and the second insulating protection cover 8 respectively, the clamping plate 5 is wrapped by the insulating protection covers except for the clamping groove 6 on other three sides of the surface, the first insulating protection cover 7 and the second insulating protection cover 8 are in sealing sliding connection with the two fixing plates 2, the upper end of the first insulating protection cover 7 is provided with a protruding blocking edge 9, the lower ends of the first insulating protection cover 7 and the second insulating protection cover 8 are fixedly connected with the upper end of the grounding ring body 1 in a sealing manner, the insulating cloth 12 is made of elastic insulating materials, the rotation of the first insulating protection cover 7/the second insulating protection cover 8 is adapted, the clamping plate 5 can be prevented from being directly exposed to the outside through the arrangement of the first insulating protection cover 7, the second insulating protection cover 8 and the insulating cloth 12, the use safety is improved, the blocking edge 9 can block the abutting line of the first insulating protection cover 7 and the second insulating protection cover 8, and the exposure is reduced.

The grounding ring body 1 is internally provided with a separating and combining mechanism for separating and closing the first insulating protective cover 7 and the second insulating protective cover 8, and specifically, the separating and combining mechanism comprises gears 4 which are coaxially and fixedly sleeved on all rotating shafts 3, grooves (not shown in the figure) for accommodating the gears 4 are formed in the side faces of the clamping plates 5, sliding plates 10 are slidably connected between the two fixed plates 2, racks 11 meshed with the gears 4 are fixedly connected to the two sides of the sliding plates 10, thread grooves are formed in the lower ends of the sliding plates 10, threaded rods 13 are connected to the inner threads of the thread grooves, torsion bars 15 are fixedly connected to the lower ends of the threaded rods 13, penetrating through the grounding ring body 1, and the cables are stably clamped by the aid of the engagement of the racks 11 and the gears 4 through the relative rotation of the two clamping plates 5 to the two clamping grooves 6.

When the cable clamping device is used, the first insulating protective cover 7 and the second insulating protective cover 8 are in a separated state, the threaded rod 13 is rotated through the torsion bar 15, the sliding plate 10 and the two fixing plates 2 are in limited sliding, the sliding plate 10 drives the two racks 11 connected with the sliding plate to descend, and the two clamping plates 5/insulating protective covers are driven to be relatively close under the engagement of the racks 11 and the gears 4 until the cable is firmly, stably and conveniently fixed in the clamping groove 6.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An electroscopic grounding ring comprising a grounding ring body (1), characterized in that: two fixed plates (2) are symmetrically and fixedly connected with around the upper end of ground ring body (1), two fixed plate (2) opposite side symmetry rotates and is connected with two pivots (3), two pivot (3) symmetry fixedly connected with splint (5), two centre gripping groove (6) have all been seted up to the opposite side of splint (5), two centre gripping groove (6) centre gripping jointly is fixed with the cable, two splint (5) opposite side respectively fixedly connected with first insulating safety cover (7) and second insulating safety cover (8), be equipped with in ground ring body (1) and be used for making first insulating safety cover (7) and the separation of second insulating safety cover (8) closed and divide and close mechanism.

2. An electroscopic grounding ring as set forth in claim 1 wherein: the first insulating protection cover (7) and the second insulating protection cover (8) are in sealing sliding connection with the two fixing plates (2), and the upper end of the first insulating protection cover (7) is provided with a protruding blocking edge (9).

3. An electroscopic grounding ring as set forth in claim 1 wherein: the lower ends of the first insulating protective cover (7) and the second insulating protective cover (8) are fixedly connected with insulating cloth (12) in a sealing mode with the upper end of the grounding ring body (1).

4. An electroscopic grounding ring as set forth in claim 1 wherein: the mechanism that divides closes includes coaxial fixed gear (4) of cup jointing on each pivot (3), the recess that holds gear (4) has been seted up to the side of splint (5), two sliding connection has slide (10) between fixed plate (2), the equal fixedly connected with in both sides of slide (10) with rack (11) of gear (4) meshing, the screw thread groove has been seted up to the lower extreme of slide (10), screw thread groove internal thread connection has threaded rod (13), the lower extreme of threaded rod (13) runs through ground ring body (1) and fixedly connected with torsion bar (15).

5. An electroscopic grounding ring as set forth in claim 1 wherein: the upper end of the grounding ring body (1) is provided with a through hole (14) in clearance fit with the threaded rod (13), and the upper port and the lower port of the through hole (14) are rotationally connected with the threaded rod (13) by using bearings.

6. An electroscopic grounding ring as set forth in claim 1 wherein: the clamping groove (6) is an isosceles trapezoid groove, and one larger end of the notch of the clamping groove (6) is arranged oppositely.