CN220873863U - Grounding device for test - Google Patents

Abstract

The utility model belongs to the technical field of grounding devices for tests, and particularly relates to a grounding device for a test, which comprises a test cylinder, wherein a movable assembly is arranged at the lower end of the test cylinder, a central cylinder is arranged in the test cylinder, a wire wheel is sleeved outside the central cylinder, a wire is wound outside the wire wheel, a through groove is formed outside the test cylinder, a hook is arranged on the wire, an annular groove is formed in the test cylinder, and a rotating ring is arranged on the wire wheel; the two hooks and the two wires are respectively connected with the equipment to be tested and the ground, so that the equipment to be tested can complete grounding operation, personal safety of workers in equipment detection is guaranteed, and electric shock is prevented.

Description

Grounding device for test

Technical Field

The utility model belongs to the technical field of grounding devices for tests, and particularly relates to a grounding device for a test.

Background

Before an electrical system and electrical equipment are put into use, in order to judge whether the electrical equipment has quality problems in installation or manufacture or not, whether the newly installed or running electrical equipment can be put into operation normally is determined, and the insulation performance, the electrical characteristics, the mechanical property and the like of each electrical equipment monomer in the electrical system are tested and verified item by item according to relevant regulations in standards, regulations and specifications;

Because the security of electrical equipment can not be ensured in the electrical test, therefore in order to increase the security of test, in equipment maintenance process, the equipment needs to be powered off firstly according to the power safety operation standard, then the three-phase circuit of the grounding short-circuit equipment is adopted to ensure the safety of maintenance personnel, after equipment maintenance is finished, the ground wire must be removed firstly to electrify, but the prior grounding device is inconvenient to move in use, and the electrical equipment for test is located in different places, so that the maintenance personnel are inconvenient to maintain, and for this reason, the grounding device for test is provided for solving the problems.

Disclosure of utility model

The purpose of the utility model is that: the grounding device for the test is used for solving the problems in the background technology.

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

The grounding device for the test comprises a test barrel, wherein a moving assembly is arranged at the lower end of the test barrel and can move along with the test barrel, a connecting assembly is arranged in the test barrel and can connect equipment to be tested, the danger of electric shock to workers is prevented, and the personal safety of the workers is guaranteed;

the connecting assembly comprises a wire wheel, a central cylinder is arranged in the center of the inside of the test cylinder, the wire wheel is sleeved outside the central cylinder, wires are symmetrically wound on the outer side of the wire wheel, the central cylinder can enable the wire wheel to be mounted better, through grooves are symmetrically formed in the outer side of the test cylinder, two wires respectively penetrate through the through grooves, two wires extend out of one end of the through grooves and are provided with hooks, the hooks can be directly hung on equipment to be tested and can be sleeved on the wires, the equipment to be tested is more diversified in connection, an annular groove is formed in the upper end of the test cylinder, a rotating ring penetrating through the annular groove is arranged at the upper end of the wire wheel, the rotating ring is rotated, the wire wheel can be driven to rotate, and meanwhile, the wires are pulled to be wound on the outer side of the wire wheel, so that the wires can be conveniently stored.

The movable assembly comprises a placing plate, the upper end of the placing plate is fixedly connected with the test cylinder, supporting feet are symmetrically arranged on the front side of the lower end of the placing plate, rollers are symmetrically arranged on the rear side of the lower end of the placing plate, and a push rod is arranged at the rear end of the placing plate.

The electric wire outside evenly is equipped with a plurality of snap rings, test section of thick bamboo upper end symmetry seted up with the through-hole of logical groove intercommunication, two inside all the sliding of through-hole has with arbitrary snap ring assorted card strip.

The wire wheel with the central cylinder all sets up to the metal material, the experimental section of thick bamboo upper end middle part has been seted up and has been run through the screw groove of central cylinder, the storage tank has been seted up at experimental section of thick bamboo lower extreme middle part, screw groove internal thread connection has the threaded rod, the threaded rod lower extreme is equipped with and is located the inside ground cone of storage tank.

The upper end of the threaded rod is provided with a rubber rotary table.

According to the utility model, the two hooks are pulled to drive the two wires to separate from the inside of the test cylinder, and the two hooks are respectively connected with the equipment to be tested and the ground, so that the equipment to be tested is grounded by means of the connection of the hooks, the wires and the wire wheels, thereby ensuring personal safety of workers in equipment detection and preventing electric shock.

Drawings

The utility model may be further illustrated by means of non-limiting examples given in the accompanying drawings.

FIG. 1 is a schematic view of a grounding device for testing according to the present utility model;

FIG. 2 is a schematic diagram of a grounding device for testing according to a second embodiment of the present utility model;

fig. 3 is a schematic structural view of a grounding device for test according to the present utility model.

The main reference numerals are as follows:

the test tube 100, the wire wheel 101, the wire 102, the through groove 103, the hook 104, the annular groove 105, the rotating ring 106, the placing plate 200, the supporting leg 201, the roller 202, the push rod 203, the clamping ring 204, the clamping strip 205, the containing groove 206, the threaded rod 207, the ground contact cone 208 and the rubber turntable 209.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.

Embodiment one:

1-2, the grounding device for the test comprises a test barrel 100, wherein a movable assembly is arranged at the lower end of the test barrel 100, and a connecting assembly is arranged inside the test barrel 100;

The connecting assembly comprises a wire wheel 101, a central cylinder is arranged in the center of the inside of a test barrel 100, the wire wheel 101 is sleeved outside the central cylinder, wires 102 are symmetrically wound on the outer side of the wire wheel 101, through grooves 103 are symmetrically formed in the outer side of the test barrel 100, two wires 102 respectively penetrate through the two through grooves 103, hooks 104 are arranged at one ends of the two wires 102, which extend out of the through grooves 103, of the test barrel 100, an annular groove 105 is formed in the upper end of the test barrel 100, and a rotating ring 106 penetrating through the annular groove 105 is arranged at the upper end of the wire wheel 101.

The movable assembly can enable the test cylinder 100 to move, so that a worker can conveniently detect equipment to be detected in various places, the test cylinder 100 can conveniently store the connecting assembly, the central cylinder can be convenient for the wire wheel 101 to install, the wire wheel 101 can wind and store the wire 102, the hanger 104 is pulled, the wire 102 can be pulled out of the test cylinder 100 at the same time, one hanger 104 can be connected with the equipment to be detected, the other hanger 104 can be connected with a grounded object, the grounding connection of the equipment to be detected can be realized, and the wire 102 can be wound outside the wire wheel 101 at the same time by rotating the rotating ring 106, so that the wire 102 is collected;

when the device to be detected needs to be detected: when a worker pulls the hooks 104 between the workers to pull the electric wires 102 out of the test cylinder 100, the wire wheel 101 is synchronously driven to rotate when the electric wires 102 on one side are pulled, so that the two electric wires 102 are pulled out of the test cylinder 100, then the hooks 104 on one side are hung and buckled on equipment to be tested, and the hooks 104 on the other side are connected with the ground, so that the grounding operation is completed, and the personal safety of the workers is protected;

In this embodiment, the two hooks 104 and the two wires 102 are respectively connected with the device to be tested and the ground, so that the device to be tested completes the grounding operation, thereby ensuring the personal safety of the staff when detecting the device and preventing electric shock.

Embodiment two:

On the basis of the first embodiment, further description is made on other parts on the grounding device, as shown in fig. 2-3, the moving assembly comprises a placing plate 200, the upper end of the placing plate 200 is fixedly connected with the test tube 100, supporting feet 201 are symmetrically arranged on the front side of the lower end of the placing plate 200, rollers 202 are symmetrically arranged on the rear side of the lower end of the placing plate 200, and a push rod 203 is arranged on the rear end of the placing plate 200.

A plurality of clamping rings 204 are uniformly arranged on the outer side of the electric wire 102, through holes communicated with the through grooves 103 are symmetrically formed in the upper end of the test barrel 100, and clamping strips 205 matched with any clamping ring 204 are respectively and slidably arranged in the two through holes.

The wire wheel 101 and the central cylinder are both made of metal, a threaded groove penetrating through the central cylinder is formed in the middle of the upper end of the test barrel 100, a storage groove 206 is formed in the middle of the lower end of the test barrel 100, a threaded rod 207 is connected to the threads inside the threaded groove, and a ground contact cone 208 located inside the storage groove 206 is arranged at the lower end of the threaded rod 207.

The upper end of the threaded rod 207 is provided with a rubber turntable 209.

In this embodiment, the staff can move by pushing the push rod 203 and carrying the placing plate 200 and the test tube 100 by means of the roller 202, so as to increase the application range of the device, while the supporting legs 201 can prevent the placing plate 200 from moving when stopping moving, so that the staff can use the grounding device normally;

When the device is used, the clamping strip 205 is pulled out of the through hole, then the electric wire 102 can be pulled, the hook 104 is hung and buckled on the equipment to be tested, or the hook 104 is hung and buckled on the electric wire 102 and sleeved on the power-on position of the equipment to be tested, so that electric power can be guided out through the electric wire 102, the personal safety of staff is ensured, when the electric wire 102 is pulled to a proper length, the clamping strip 205 is inserted into the through hole, the clamping strip 205 can limit the clamping ring 204, and further the electric wire 102 is prevented from loosening and falling;

Rubber carousel 209 has insulating effect, prevents that the staff from taking place the electric shock danger when detecting, can also increase the frictional force between staff and the rubber carousel 209 simultaneously, and more convenient rotates threaded rod 207, and threaded rod 207 drives ground contact awl 208 and breaks away from and accomodates groove 206 to make ground contact awl 208 prick ground, realize the online ground connection of device, like this under the guide of electric wire 102 and wire reel 101, just can realize the earthing operation, thereby ensure staff's personal safety.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the utility model disclosed herein.

Claims (5)

1. The utility model provides a grounding device for test, includes a test section of thick bamboo, its characterized in that: the lower end of the test cylinder is provided with a moving assembly, and a connecting assembly is arranged in the test cylinder;

the connecting assembly comprises a wire wheel, a central cylinder is arranged in the center of the inside of the test barrel, the wire wheel is sleeved outside the central cylinder, wires are symmetrically wound on the outer side of the wire wheel, through grooves are symmetrically formed in the outer side of the test barrel, two wires respectively penetrate through the through grooves, hooks are arranged at one ends of the wires, extending out of the through grooves, of the wire wheel, an annular groove is formed in the upper end of the test barrel, and a rotating ring penetrating through the annular groove is arranged at the upper end of the wire wheel.

2. A test grounding apparatus as in claim 1 wherein: the movable assembly comprises a placing plate, the upper end of the placing plate is fixedly connected with the test cylinder, supporting feet are symmetrically arranged on the front side of the lower end of the placing plate, rollers are symmetrically arranged on the rear side of the lower end of the placing plate, and a push rod is arranged at the rear end of the placing plate.

3. A test grounding apparatus as in claim 1 wherein: the electric wire outside evenly is equipped with a plurality of snap rings, test section of thick bamboo upper end symmetry seted up with the through-hole of logical groove intercommunication, two inside all the sliding of through-hole has with arbitrary snap ring assorted card strip.

4. A test grounding apparatus as in claim 1 wherein: the wire wheel with the central cylinder all sets up to the metal material, the experimental section of thick bamboo upper end middle part has been seted up and has been run through the screw groove of central cylinder, the storage tank has been seted up at experimental section of thick bamboo lower extreme middle part, screw groove internal thread connection has the threaded rod, the threaded rod lower extreme is equipped with and is located the inside ground cone of storage tank.

5. The test grounding apparatus as defined in claim 4, wherein: the upper end of the threaded rod is provided with a rubber rotary table.