CN218727635U

CN218727635U - Multi-gear grounding resistance adjusting test device

Info

Publication number: CN218727635U
Application number: CN202222532210.8U
Authority: CN
Inventors: 于云鹏
Original assignee: Guangzhou Guohua Fire Detection Technology Co ltd
Current assignee: Guangzhou Guohua Fire Detection Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-03-24
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a ground resistance testing arrangement is adjusted to many gears, including the ground connection tester, the surface of ground connection tester is equipped with gear adjust knob, the fixed wiring port that is equipped with in top of ground connection tester, the inside interpolation of wiring port is equipped with the test wire, the battery jar has been seted up to ground connection tester dorsal part, the inside of battery jar is equipped with the battery apron through rotating assembly, the fixed backup pad that is equipped with in dorsal part of ground connection tester, the montant is worn to be equipped with in the inside slip of backup pad, the fixed push pedal that is equipped with in top of montant, the end fixing of push pedal is equipped with the propelling movement ring, the outside of wiring port is located to the propelling movement ring cover, the pole wall cover of montant is equipped with first spring. The utility model discloses can the various earthing device's of direct measurement earthing resistance value, can select the resistance measurement gear of adaptation to the earthing device of difference, take off the test wire from the tester before changing the battery simultaneously, avoid leading to forgetting the stitches because of misoperation as far as possible.

Description

Multi-gear grounding resistance adjusting test device

Technical Field

The utility model belongs to the technical field of the ground resistance test, especially, relate to a ground resistance testing arrangement is adjusted to many gears.

Background

The earth tester is a common instrument for testing and measuring earth resistance, and is also an indispensable tool for electrical safety inspection and earth completion acceptance, and in recent years, the earth resistance tester also permeates a large amount of microprocessor technologies due to rapid development of computer technologies.

Through the retrieval, among the current ground resistance testing process, the tester adopts the battery to supply power, and the exhaustion of electric quantity takes place easily when the battery uses, needs carry out the change of battery, and need demolish the test wire when the battery is changed, and because misoperation, forget easily and demolish the test wire when the battery is changed, cause the damage to the tester when can lead to the incident to take place.

Therefore, the multi-gear adjustment grounding resistance testing device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at being able to take down the test wire from the tester before changing the battery, avoid leading to forgetting the stitches because of misoperation as far as possible, and the ground resistance testing arrangement is adjusted to a many gears that provides.

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

the utility model provides a ground resistance testing arrangement is adjusted to many gears, includes the ground connection tester, the surface of ground connection tester is equipped with gear adjust knob, the fixed wiring port that is equipped with in top of ground connection tester, the inside insertion of wiring port is equipped with the test wire, the battery jar has been seted up to ground connection tester dorsal part, the inside of battery jar is equipped with the battery apron through rotating assembly, the fixed backup pad that is equipped with in dorsal part of ground connection tester, the montant is worn to be equipped with in the inside slip of backup pad, the fixed push pedal that is equipped with in top of montant, the end fixing of push pedal is equipped with the propelling movement ring, the propelling movement ring cover is located the outside of wiring port, the pole wall cover of montant is equipped with first spring, the both ends of first spring respectively with backup pad and montant fixed connection, the upper end of montant is equipped with stop gear.

Preferably, the rotating assembly comprises a cross rod, two connecting plates are fixedly arranged at two ends of the inner wall of the battery jar, the cross rod is fixedly arranged between the two connecting plates, the battery cover plate is rotatably sleeved on the outer side of the cross rod, and the battery cover plate is in contact connection with the bottom of the vertical rod.

Preferably, the back side of the grounding tester is fixedly provided with a limiting ring, and the limiting ring is sleeved on the outer side of the vertical rod.

Preferably, the limiting mechanism comprises a fixing column, the fixing column is fixedly sleeved on the outer side of the vertical rod, a groove is formed in the upper end of the side wall of the fixing column, a limiting block is arranged in the groove, a moving groove is formed in the side wall of the limiting block, and a second spring is fixedly arranged between the groove and the moving groove.

Preferably, the limiting block is a wedge-shaped block.

Preferably, the two sides of the inner wall of the groove are both fixedly provided with sliding rods, and the sliding rods are slidably arranged in the limiting blocks.

Compared with the prior art, the utility model provides a ground resistance testing arrangement is adjusted to many gears possesses following beneficial effect:

1. this ground resistance testing arrangement is adjusted to many gears, through the wiring port that is equipped with, the test wire, rotating assembly, the battery apron, the battery jar, a supporting plate, the montant, a first spring, push pedal and promotion ring, can open the back at the battery apron, promotion through the battery apron, make the montant receive the promotion to drive the push pedal and promote the ring and shift up, promote test wire lower extreme through the promotion ring, make the test wire take out from wiring port inside, test wire still pegs graft the setting when avoiding the battery to change as far as possible, improve the security when battery is changed and the ground connection tester uses, simultaneously through gear adjust knob direct measurement various earthing device's ground resistance value, can select the resistance measurement gear of adaptation to different earthing device.

2. This ground resistance testing arrangement is adjusted to many gears, through montant, first spring, spacing ring and the stop gear who is equipped with, can confirm the position of montant when the montant removes to a take the altitude when the battery apron promotes the montant, avoid receiving the influence when the battery is changed as far as possible.

The device in not relate to the part all the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation, but the various earthing device's of direct measurement earthing resistance value can select the resistance measurement gear of adaptation to the earthing device of difference, can take down the test wire from the tester before changing the battery simultaneously, avoids leading to forgetting the stitches because of misoperation as far as possible.

Drawings

Fig. 1 is a schematic structural view of a multi-gear adjustable grounding resistance testing device provided by the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: the testing device comprises a grounding tester 1, a gear adjusting knob 2, a wiring port 3, a testing lead 4, a battery groove 5, a battery cover plate 6, a support plate 7, a vertical rod 8, a push plate 9, a push ring 10, a first spring 11, a cross rod 12, a connecting plate 13, a limiting ring 14, a fixing column 15, a limiting block 16, a second spring 17 and a sliding rod 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, a ground resistance testing arrangement is adjusted to many gears, including ground connection tester 1, ground connection tester 1's surface is equipped with gear adjust knob 2, can carry out multiple gear according to the earthing device specification and adjust and select for use.

As shown in fig. 1, a wiring port 3 is fixedly arranged at the top of the grounding tester 1, and a testing wire 4 is inserted into the wiring port 3, so that the grounding tester 1 can perform stable testing work.

As shown in fig. 1, a battery jar 5 is opened on the back side of the grounding tester 1, a battery cover plate 6 is provided inside the battery jar 5 through a rotating assembly, and the battery inside the battery jar 5 electrically supports the operation of the grounding tester 1.

As shown in fig. 1-3, the fixed backup pad 7 that is equipped with in dorsal part of ground connection tester 1, montant 8 wears to be equipped with in the inside slip of backup pad 7, the fixed push pedal 9 that is equipped with in top of montant 8, the end fixing of push pedal 9 is equipped with push ring 10, push ring 10 covers the outside of locating wiring port 3, the pole wall cover of montant 8 is equipped with first spring 11, the both ends of first spring 11 respectively with backup pad 7 and montant 8 fixed connection, push ring 10 can follow montant 8 and move up and push up wiring port 3 internal test wire 4, make test wire 4 and wiring port 3 separation.

As shown in fig. 3, the rotating assembly includes a cross rod 12, two ends of the inner wall of the battery jar 5 are both fixedly provided with connecting plates 13, the cross rod 12 is fixedly arranged between the two connecting plates 13, the battery cover plate 6 is rotatably sleeved on the outer side of the cross rod 12, the battery cover plate 6 is in contact connection with the bottom of the vertical rod 8, the battery cover plate 6 can be conveniently rotated, and the vertical rod 8 can be pushed to move upwards in the rotating process.

As shown in fig. 2-3, the upper end of the vertical rod 8 is provided with a limiting mechanism, the back side of the grounding tester 1 is fixedly provided with a limiting ring 14, the limiting ring 14 is sleeved on the outer side of the vertical rod 8, the limiting mechanism comprises a fixing column 15, the fixing column 15 is fixedly sleeved on the outer side of the vertical rod 8, a groove is formed in the upper end of the side wall of the fixing column 15, a limiting block 16 is arranged in the groove, the limiting block 16 is a wedge-shaped block, and the limiting block 16 can enter the limiting ring 14 in the upward moving process.

As shown in fig. 2-3, the moving groove has been seted up to the lateral wall of stopper 16, the fixed second spring 17 that is equipped with between recess and the moving groove, slide bar 18 is all fixed to the inner wall both sides of recess, slide bar 18 slides and locates in stopper 16, support through slide bar 18 makes stopper 16 can stably slide, simultaneously under second spring 17 elasticity, make

stopper

16 and 14 top contacts of spacing ring, fix the position of montant 8, but the quick replacement of opening inside battery of battery apron 6 of being convenient for.

The utility model discloses in, before ground connection tester 1 detects grounding device resistance, insert wiring port 3 inside with test wire 4, and carry out the matching regulation of gear through adjustment gear adjust knob 2, and the electric quantity is low when ground connection tester 1 uses excessively, rotatable battery apron 6, take out battery jar 5 inside, and in battery apron 6 rotation in-process, battery apron 6 promotes montant 8, make montant 8 stimulate first spring 11 drive push pedal 9 and promote ring 10 to move up simultaneously, make promote ring 10 promote test wire 4, make it follow 3 inside roll-off of wiring port, and in montant 8 removal process, fixed column 15 moves up along with montant 8, and make stopper 16 receive the promotion of spacing ring 14 and extrude second spring 17, when stopper 16 removes to spacing ring 14 top, through the elasticity of second spring 17, make stopper 16 bottom and spacing ring 14 top contact, confirm montant 8's position, can make battery 6 open the change apron of accomplishing the battery completely.

Overall, the technical problem is addressed: the test lead is easy to forget to be removed when the battery is replaced, so that the safety accident is caused and the tester is damaged; the technical scheme is as follows: the vertical rod is pushed to drive the push plate and the push ring to move upwards by pushing of the battery cover plate, the lower end of the test lead is pushed by the push ring, the test lead is taken out from the inside of the wiring port, the test lead is prevented from being inserted and arranged when the battery is replaced as much as possible, the safety of the battery replacement and the grounding tester during use is improved, meanwhile, the grounding resistance values of various grounding devices are directly measured by the gear adjusting knob, and adaptive resistance measuring gears can be selected for different grounding devices; the implementation process of the technical scheme is as follows: in the rotation process of the battery cover plate 6, the battery cover plate 6 pushes the vertical rod 8, so that the vertical rod 8 pulls the first spring 11 and simultaneously drives the push plate 9 and the push ring 10 to move upwards, and the push ring 10 pushes the test lead 4 to slide out of the wiring port 3; therefore, the technical problem can be solved certainly, and the technical effects are as follows: the grounding resistance value of various grounding devices can be directly measured, adaptive resistance measurement gears can be selected for different grounding devices, and meanwhile, the test lead can be taken down from the tester before the battery is replaced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a ground resistance testing arrangement is adjusted to many gears, includes ground connection tester (1), its characterized in that, the surface of ground connection tester (1) is equipped with gear adjust knob (2), the fixed wiring port (3) that is equipped with in top of ground connection tester (1), wiring port (3) inside is inserted and is equipped with test wire (4), battery jar (5) have been seted up to ground connection tester (1) dorsal part, the inside of battery jar (5) is equipped with battery apron (6) through rotating assembly, the dorsal part of ground connection tester (1) is fixed and is equipped with backup pad (7), montant (8) are worn to be equipped with in the inside slip of backup pad (7), the fixed push pedal (9) that is equipped with in top of montant (8), the end fixing of push pedal (9) is equipped with and pushes away ring (10), it locates to push away ring (10) the outside of wiring port (3), the pole wall cover of montant (8) is equipped with first spring (11), the both ends of first spring (11) respectively with backup pad (7) and montant (8) fixed connection, the upper end of montant (8) is equipped with limit mechanism.

2. The multi-gear-adjustment ground resistance testing device according to claim 1, wherein the rotating assembly comprises a cross rod (12), two connecting plates (13) are fixedly arranged at two ends of the inner wall of the battery jar (5), the cross rod (12) is fixedly arranged between the two connecting plates (13), the battery cover plate (6) is rotatably sleeved on the outer side of the cross rod (12), and the battery cover plate (6) is in contact connection with the bottom of the vertical rod (8).

3. The multi-gear adjustment ground resistance testing device according to claim 1, wherein a limiting ring (14) is fixedly arranged on the back side of the ground tester (1), and the limiting ring (14) is sleeved on the outer side of the vertical rod (8).

4. The multi-gear adjustment ground resistance testing device according to claim 1, wherein the limiting mechanism comprises a fixed column (15), the fixed column (15) is fixedly sleeved outside the vertical rod (8), a groove is formed in the upper end of the side wall of the fixed column (15), a limiting block (16) is arranged in the groove, a moving groove is formed in the side wall of the limiting block (16), and a second spring (17) is fixedly arranged between the groove and the moving groove.

5. The multi-gear-adjustment ground resistance testing device according to claim 4, wherein the limiting block (16) is a wedge-shaped block.

6. The multi-gear adjustment grounding resistance testing device according to claim 4, wherein sliding rods (18) are fixedly arranged on both sides of the inner wall of the groove, and the sliding rods (18) are slidably arranged in the limiting blocks (16).