CN215525955U

CN215525955U - Ground resistance tester

Info

Publication number: CN215525955U
Application number: CN202121934536.2U
Authority: CN
Inventors: 蔡国义
Original assignee: Huai'an Peineng Power Technology Co ltd
Current assignee: Huai'an Peineng Power Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-01-14
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a grounding resistance tester, which relates to the technical field of electric power test devices and is characterized in that: the tester comprises a tester body, wherein a protection mechanism is arranged outside the tester body, the protection mechanism comprises a box body, the top of the box body is hinged with a box cover, a sealing rubber ring is bonded on the periphery of the bottom of the box cover, supporting mechanisms are hinged at four corners of the bottom of the box body, a placing groove for placing the supporting mechanisms is formed in the bottom of the box body, and limiting mechanisms for limiting the positions of the supporting mechanisms are arranged on two sides of the placing groove; the protection mechanism is arranged outside the tester body, so that the electronic element is protected, and the damage of the conductive liquid to the electronic element is reduced.

Description

Ground resistance tester

Technical Field

The utility model relates to the technical field of electric power test devices, in particular to a grounding resistance tester.

Background

The ground resistance tester is a novel digital ground resistance tester which abandons the traditional manual hand-operated power generation working mode, adopts an advanced large-scale integrated circuit and combines three-terminal button and four-terminal button measuring modes into one model by applying a DC/AC conversion technology, and is suitable for measuring the ground resistance of various devices and measuring the conductor resistance value of low resistance in departments such as electric power, post and telecommunications, railways, communication, mines and the like.

When the existing ground resistance tester is used, the ground resistance tester is usually and directly placed on a horizontal plane to work, and if accumulated water or other liquid exists in the horizontally placed position, electronic components in the ground resistance tester are easily affected with damp and break down, so that the normal work of the ground resistance tester is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grounding resistance tester, wherein a protection mechanism is arranged outside a tester body to protect electronic elements and reduce the damage of conductive liquid to the electronic elements.

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

the utility model provides a ground resistance tester, includes the tester body, tester body outside is equipped with protection mechanism, protection mechanism includes the box, the box top articulates there is the case lid, the week side bonding of case lid bottom has the sealing rubber ring, bottom half four corners articulates there is the supporting mechanism, the bottom half is opened there is the standing groove that is used for placing supporting mechanism, the standing groove both sides are equipped with the stop gear who is used for restricting the supporting mechanism position.

By adopting the scheme, when a test is required, the supporting mechanism is pulled out of the placing groove at first, the box body can be supported by the supporting mechanism and is far away from the ground, so that the electronic elements in the box body are protected, and the damage of the conductive liquid to the electronic elements is reduced; then the box cover is opened to expose the tester body, and then the test can be carried out; the tester body in the sealing rubber ring is sealed with the box, prevents that outside rainwater or other liquid from getting into in the box, reduces the injury to electronic component.

Preferably, the supporting mechanism comprises a first supporting rod and a second supporting rod, the first supporting rod is in threaded connection with the second supporting rod, and the first supporting rod is hinged to the box body.

Preferably, the limiting mechanism is a limiting cambered block, and the first supporting rod is made of a material with certain elasticity.

Preferably, one end, far away from the box body, of the second supporting rod is provided with a supporting disc, and the bottom of the supporting disc is provided with a flexible rubber pad with a high friction coefficient.

Preferably, the outer surface of the supporting disc is threaded and sleeved with a hollow pointed cone.

Preferably, the top of the box body is provided with a tapered groove for placing a pointed cone.

The utility model has the following beneficial effects:

when a test is needed, firstly, the supporting mechanism is pulled out of the placing groove, the box body can be supported by the supporting mechanism and is far away from the ground, so that the electronic elements in the box body are protected, and the damage of conductive liquid to the electronic elements is reduced; then the box cover is opened to expose the tester body, and then the test can be carried out; the sealing rubber ring seals the tester body in the box body, so that external rainwater or other liquid is prevented from entering the box body, and damage to electronic elements is reduced;

and the supporting mechanism comprises a first supporting rod and a second supporting rod which are in threaded connection. The length of the supporting mechanism can be prolonged or shortened by rotating the second supporting rod, so that the requirements under different conditions are met;

and thirdly, the limiting cambered surface block limits the position of the first supporting rod, and the second supporting rod and the bottom surface of the box body keep a parallel and vertical or obtuse-angle relation through the matching of the cambered surface structure and the elastic material, so that the stability and the reliability of the box body supporting are improved under the condition that the supporting mechanism can be retracted.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a bottom view of an embodiment of the present invention;

fig. 3 is a schematic structural view of a second support rod according to an embodiment of the utility model.

In the figure: 1. a tester body; 2. a box body; 3. a box cover; 4. a rubber ring; 5. a placement groove; 61. a first support bar; 62. a second support bar; 7. limiting the cambered surface block; 8. a support disc; 9. a rubber pad; 10. a pointed cone; 11. and (4) a tapered groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

A grounding resistance tester is shown in figures 1-2 and comprises a tester body 1, wherein a protection mechanism is arranged outside the tester body 1 and comprises a box body 2, a box cover 3 is hinged to the top of the box body 2, a sealing rubber ring 4 is bonded to the periphery of the bottom of the box cover 3, supporting mechanisms are hinged to four corners of the bottom of the box body 2, a placing groove 5 for placing the supporting mechanisms is formed in the bottom of the box body 2, and limiting mechanisms for limiting the positions of the supporting mechanisms are arranged on two sides of the placing groove 5;

as shown in fig. 1-2, when a test is required, the supporting mechanism is pulled out from the placing groove 5, and the supporting mechanism can support the box body 2 to be away from the ground, so as to protect the electronic elements in the box body 2 and reduce the damage of the conductive liquid to the electronic elements; then the box cover 3 is opened to expose the tester body 1, and then the test can be carried out; the tester body 1 in the box body 2 is sealed by the sealing rubber ring 4, so that external rainwater or other liquid is prevented from entering the box body 2, and the damage to electronic elements is reduced.

As shown in fig. 1-2, the supporting mechanism includes a first supporting rod 61 and a second supporting rod 62, the first supporting rod 61 and the second supporting rod 62 are connected by screw threads, and the first supporting rod 61 is hinged with the box body 2; the support mechanism comprises a first support rod 61 and a second support rod 62 which are connected through screw threads. The length of the supporting mechanism can be extended or shortened by rotating the second supporting rod 62, so that requirements under different conditions are met.

As shown in fig. 1-2, the limiting mechanism is a limiting arc block 7, and the first supporting rod 61 is made of a material with certain elasticity; the position of the first supporting rod 61 is limited by the limiting cambered surface block 7, and the second supporting rod 62 and the bottom surface of the box body 2 are kept in a parallel and vertical or obtuse-angle relationship through the matching of the cambered surface structure and the elastic material, so that the stability and the reliability of the supporting box body 2 are improved under the condition that the supporting mechanism can be retracted.

As shown in fig. 2-3, a supporting plate 8 is disposed at an end of the second supporting rod 62 away from the box body 2, and a flexible rubber pad 9 with a high friction coefficient is disposed at the bottom of the supporting plate 8, so as to improve stability when supporting the box body 2.

As shown in fig. 1-2, a hollow pointed cone 10 is sleeved on the outer surface of the supporting disk 8 through a thread, and a conical groove 11 for placing the pointed cone 10 is formed in the top of the box body 2; the detachable pointed cone 10 can be selectively inserted into the soil, so that the supporting stability is improved.

The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the substantially same technical problems and achieve the substantially same technical effects are within the scope of the present invention.

Claims

1. The utility model provides a ground resistance tester, includes tester body (1), its characterized in that: the tester body (1) outside is equipped with protection mechanism, protection mechanism includes box (2), box (2) top articulates there is case lid (3), case lid (3) bottom week side bonds and has sealing rubber ring (4), box (2) bottom four corners articulates there is supporting mechanism, box (2) bottom is opened has standing groove (5) that are used for placing supporting mechanism, standing groove (5) both sides are equipped with the stop gear who is used for restricting the supporting mechanism position.

2. The earth resistance tester of claim 1, wherein: the supporting mechanism comprises a first supporting rod (61) and a second supporting rod (62), the first supporting rod (61) is in threaded connection with the second supporting rod (62), and the first supporting rod (61) is hinged to the box body (2).

3. A ground resistance tester as claimed in claim 2 wherein: the limiting mechanism is a limiting cambered block (7), and the first supporting rod (61) is made of a material with certain elasticity.

4. A ground resistance tester as claimed in claim 3 wherein: one end of the second supporting rod (62) far away from the box body (2) is provided with a supporting disk (8), and the bottom of the supporting disk (8) is provided with a flexible rubber pad (9) with a high friction coefficient.

5. The earth resistance tester of claim 4, wherein: the outer surface of the supporting disk (8) is sleeved with a hollow pointed cone (10) in a threaded manner.

6. The earth resistance tester of claim 5, wherein: the top of the box body (2) is provided with a conical groove (11) for placing the pointed cone (10).