CN220019742U - Ground resistance testing device - Google Patents

Abstract

The utility model provides a ground resistance testing device which comprises a clamp-shaped ground resistance meter, wherein wrapping frames are symmetrically arranged at two ends of a clamp of the clamp-shaped ground resistance meter, the clamp of the clamp-shaped ground resistance meter is contained in the two wrapping frames, the two wrapping frames and the two-way screw are meshed to synchronously and reversely move through rotating the two-way screw, the clamp of the clamp-shaped ground resistance meter can be synchronously moved inwards to wrap the clamp, the effect of dust prevention and protection is achieved, the clamp can also be simultaneously moved outwards to provide space for clamping a grounding wire and moving the clamp-shaped ground resistance meter, compared with the prior art, the upper side and the lower side of the grounding wire clamped by the clamp are wrapped through limiting assemblies outside the wrapping frames, and then the clamp of the clamp-shaped ground resistance meter is limited through the wrapping frames, so that when a human hand shakes, the clamp moves, the limiting assemblies and the grounding wire are driven to move, and the inner wall of the clamp is contacted with the clamp to avoid the influence on a testing result.

Description

Ground resistance testing device

Technical Field

The utility model relates to the technical field of ground resistance testing, in particular to a ground resistance testing device.

Background

The grounding resistance measuring device is a resistance measuring device and is used for measuring the grounding resistance of various devices and measuring the conductor resistance value of low resistance in the departments of electric power, post and telecommunications, railway, communication, mine and the like; soil resistivity and ground voltage can also be measured. The clamp-on grounding resistor is a common clamp-on grounding resistor, when a grounding system with a loop is measured, the clamp-on grounding resistor does not need to disconnect a grounding lead and an auxiliary electrode, and is safe, quick and convenient to use.

The utility model provides a pincerlike ground resistance appearance such as patent CN217156649U proposes a ground resistance testing arrangement, through set up the protection shield in the top of pincerlike ground resistance appearance's display screen, be convenient for carry out safety protection to the display screen when not using the display screen, avoid the display screen to be scratched etc. the condition, the protective sheath includes upper junction plate and lower connecting plate, upper junction plate and lower connecting plate activity enclose to close and form the cladding the accommodation chamber of binding clip, therefore when the binding clip need not to use, the position of keeping silent is difficult for being infected with impurity such as dust, guarantees this ground resistance testing arrangement's normal use and measurement accuracy.

According to the technical scheme disclosed in the patent document, the clamp and the display screen of the clamp-shaped grounding resistor are protected by the upper connecting plate, the lower connecting plate and the protecting plate, when the clamp-shaped grounding resistor is actually used, the clamp is required to wrap the periphery of the grounding wire for a few seconds to wait for testing, the grounding wire cannot be contacted with the inner wall of the clamp, the clamp-shaped grounding resistor adopts a handheld mode, the stability is poor, and the contact between the grounding wire and the inner wall of the clamp is easy to influence the testing result due to shaking of hands.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a grounding resistor testing device which solves the problems in the prior art, has novel structure, limits and wraps the upper side and the lower side of a grounding wire clamped by a clamp through a limiting component at the outer side of a wrapping frame, limits the clamp of a clamp-shaped grounding resistor instrument through the wrapping frame, and further drives the limiting component and the grounding wire to move when hands shake, and the limiting component and the grounding wire are prevented from contacting the inner wall of the clamp to influence the testing result under the movement effect of the limiting component and the grounding wire.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a ground resistance testing arrangement, includes pincerlike ground resistance appearance, pincerlike ground resistance appearance's clamp both ends symmetry is equipped with the parcel frame, and pincerlike ground resistance appearance's clamp is accomodate inside two parcel frames, two pass the earth connection between the parcel frame, be equipped with the spacing subassembly of the upper and lower both sides spacing of earth connection to pincerlike ground resistance appearance clamp centre gripping on the surface of parcel frame both sides.

Further, the limiting component comprises a limiting frame, the surfaces of the upper side and the lower side of the ground wire clamped by the clamp-on ground resistance meter clamp are provided with the limiting frame, the bottom of the limiting frame is fixedly provided with a connecting frame, and the other end of the connecting frame is fixedly connected with the wrapping frame.

Further, parcel frame bottom and inboard all fretwork, and parcel frame side sliding connection has the limiting plate, limiting plate back symmetry is fixed with the spring, and the spring other end is fixed with parcel frame inner wall.

Further, the inserted column is fixed in the middle of the limiting plate, and the other end of the inserted column slides out of the wrapping frame.

Furthermore, the limiting frame and the connecting frame are made of insulating plastic materials.

Furthermore, a chute is formed in the front of the pincerlike grounding resistance instrument, and a pushing block is connected inside the chute in a sliding manner.

Further, the two-way screw rod is installed to ejector pad orientation pincerlike ground resistance appearance clamp one end through the long board, and two-way screw rod passes through the both sides of ejector pad long board through the bearing rotation, two the meshing of parcel frame bottom cup joints the both ends at two-way screw rod.

The utility model has the beneficial effects that: the utility model relates to a grounding resistance testing device, which comprises a pincerlike grounding resistance instrument; a chute; a parcel frame; a limiting plate; a bidirectional screw; a pushing block; a spring; inserting a column; a ground wire; a limit component; a limit frame; a connecting frame;

1. according to the ground resistance testing device, the connection relation between the wrapping frame and the pincerlike ground resistance meter is kept through the sliding groove and the pushing block, the wrapping frame and the pincerlike ground resistance meter clamp can be moved mutually, the pushing block is pushed by pressing the pincerlike ground resistance meter clamp, the wrapping frame and the limiting component can be clamped to a ground wire in advance, the pincerlike ground resistance meter clamp is pushed by pressing the wrapping frame, the pincerlike ground resistance meter clamp can slide along the inner wall of the wrapping frame, and the pincerlike ground resistance meter clamp is sleeved on the surface of the ground wire.

2. This ground resistance testing arrangement is through spacing frame and link under the effect that insulating plastic material was all selected for use, prevents that spacing frame and link from causing electromagnetic interference to pincerlike ground resistance appearance test, and spacing frame is along with the parcel frame together removes, by two-way screw rotation, spacing parcel in earth connection both sides, parcel frame forms a passageway this moment, supplies pincerlike ground resistance appearance to pass.

3. According to the grounding resistance testing device, the bidirectional screw is rotated, the two wrapping frames are meshed with the bidirectional screw to do synchronous and opposite movements, the two wrapping frames can simultaneously move inwards to wrap the clamp of the clamp-shaped grounding resistance instrument, the dustproof protection effect is achieved, and the two wrapping frames can also simultaneously move outwards to provide space for clamping the grounding wire and moving the clamp-shaped grounding resistance instrument.

4. This ground resistance testing arrangement is for prior art, spacing parcel about the wire that the spacing subassembly outside through the parcel frame was to clamp centre gripping, and the spacing of rethread parcel frame to pincerlike ground resistance appearance clamp, and then when the staff rocked, the removal of clamp can drive the removal of spacing subassembly and wire, and both produce under the removal effect, avoid ground wire and clamp inner wall contact and influence the test result.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a ground resistance testing device according to the present utility model;

FIG. 2 is a schematic diagram showing a pincerlike ground resistance meter separated from a wrapping frame of a ground resistance testing device according to the present utility model;

FIG. 3 is a schematic diagram showing connection between a package frame and a limiting assembly of a ground resistance testing device according to the present utility model;

FIG. 4 is a schematic diagram showing the internal structure of a package frame of a ground resistance testing device according to the present utility model;

in the figure: 1. a clamp-on ground resistance meter; 11. a chute; 2. a parcel frame; 21. a limiting plate; 22. a bidirectional screw; 23. a pushing block; 24. a spring; 25. inserting a column; 3. a ground wire; 4. a limit component; 41. a limit frame; 42. and a connecting frame.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a ground resistance testing arrangement, includes pincerlike ground resistance appearance 1, pincerlike ground resistance appearance 1's clamp both ends symmetry is equipped with parcel frame 2, and pincerlike ground resistance appearance 1's clamp is accomodate inside two parcel frames 2, two pass ground wire 3 between parcel frame 2, be equipped with the spacing subassembly 4 of the upper and lower both sides spacing of ground wire 3 to pincerlike ground resistance appearance 1 clamp centre gripping on the surface of parcel frame 2 both sides, during the use device, expand parcel frame 2 to both sides, promote parcel frame 2 afterwards and remove, advance the spacing parcel in both ends of ground wire 3 through spacing subassembly 4, promote pincerlike ground resistance appearance 1 and remove along parcel frame 2, cup joint on the surface of ground wire 3 and be located two spacing subassemblies 4, test, wrap up the protection through the clamp parcel frame 2 to pincerlike ground resistance appearance 1 after the test.

In this embodiment, the bidirectional screw rod 22 is installed at one end of the push block 23 facing the clamp of the pincer-shaped grounding resistor apparatus 1 through the long plate, and the bidirectional screw rod 22 rotates through the bearings to penetrate through two sides of the long plate of the push block 23, two bottoms of the wrapping frames 2 are engaged and sleeved at two ends of the bidirectional screw rod 22, and by rotating the bidirectional screw rod 22, the two wrapping frames 2 and the bidirectional screw rod 22 are engaged to make synchronous opposite movements, so that the two wrapping frames 2 can move inwards simultaneously to wrap the clamp of the pincer-shaped grounding resistor apparatus 1, the dustproof protection effect is achieved, and the two wrapping frames can also move outwards simultaneously to provide space for clamping the wire and moving the pincer-shaped grounding resistor apparatus 1.

In this embodiment, parcel frame 2 bottom and inboard all fretwork, and parcel frame 2 side sliding connection has limiting plate 21, limiting plate 21 back symmetry is fixed with spring 24, and the spring 24 other end is fixed with parcel frame 2 inner wall, limiting plate 21 middle part position is fixed with inserted post 25, and inserted post 25 other end slides out parcel frame 2, play the effect of protection clamp when parcel frame 2 is close to clamp parcel to pincerlike earth resistance meter 1 each other under the effect of spring 24 and limiting plate 21, when parcel frame 2 staggers with pincerlike earth resistance meter 1, press the inserted post 25 of both sides, make limiting plate 21 position unchanged, limiting plate 21 of two parcel frames 2 leads and is spacing to pincerlike earth resistance meter 1, make it form one piece with spacing subassembly 4, and then the rocking of staff can drive the removal of earth wire 3 simultaneously.

In this embodiment, the spacing subassembly 4 includes spacing frame 41, be equipped with spacing frame 41 on the surface of both sides about the ground wire 3 of pincerlike earth resistance appearance 1 clamp centre gripping, spacing frame 41 bottom is fixed with link 42, and the link 42 other end is fixed with parcel frame 2, spacing frame 41 and link 42 all select insulating plastic materials to make, under the effect of all selecting insulating plastic materials to make through spacing frame 41 and link 42, prevent that spacing frame 41 and link 42 from causing electromagnetic interference to pincerlike earth resistance appearance 1 test, spacing frame 41 moves along parcel frame 2 together, rotates by bi-directional screw 22, spacing parcel of ground wire 3 both sides, parcel frame 2 forms a passageway this moment, supplies pincerlike earth resistance appearance 1 to pass.

In this embodiment, the front surface of the pincerlike grounding resistance apparatus 1 is provided with the chute 11, and the inside of the chute 11 is slidably connected with the push block 23, so that the connection relationship between the wrapping frame 2 and the pincerlike grounding resistance apparatus 1 is maintained through the chute 11 and the push block 23, and further the two can move relative to each other, the clamp of the pincerlike grounding resistance apparatus 1 is pressed to push the push block 23, the wrapping frame 2 and the limiting component 4 can be clamped to the grounding wire 3 in advance, the clamp of the pincerlike grounding resistance apparatus 1 is pressed to push the clamp of the pincerlike grounding resistance apparatus 2, and the clamp of the pincerlike grounding resistance apparatus 1 can slide along the inner wall of the wrapping frame 2 and is sleeved on the surface of the grounding wire 3.

When the device is used, the two-way screw rods 22 are rotated to expand the wrapping frame 2 to two sides, then the pushing block 23 pushes the wrapping frame 2 to move, the two-way screw rods 22 are rotated to limit the wrapping of two sides of the grounding wire 3, the wrapping frame 2 forms a channel for the pincerlike grounding resistor instrument 1 to pass through, the inserting posts 25 on two sides are pressed, the positions of the limiting plates 21 are unchanged, the limiting plates 21 of the two wrapping frames 2 guide and limit the pincerlike grounding resistor instrument 1, the two-way grounding resistor instrument is integrated with the limiting assembly 4, and further shaking of hands can drive the movement of the grounding wire 3 to test, and after the test is finished, the pincerlike grounding resistor instrument 1 is wrapped and protected by the wrapping frame 2.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a ground resistance testing arrangement, includes pincerlike ground resistance appearance (1), its characterized in that: the clamp of the clamp-on grounding resistance instrument (1) is symmetrically provided with wrapping frames (2), the clamp of the clamp-on grounding resistance instrument (1) is contained inside the two wrapping frames (2), the two wrapping frames (2) penetrate through the grounding wire (3), and limiting assemblies (4) which limit the upper side and the lower side of the grounding wire (3) clamped by the clamp of the clamp-on grounding resistance instrument (1) are arranged on the outer surfaces of the two sides of the wrapping frames (2).

2. A ground resistance testing device according to claim 1, wherein: the limiting assembly (4) comprises a limiting frame (41), the surfaces of the upper side and the lower side of the ground wire (3) clamped by the clamp-shaped grounding resistor instrument (1) are provided with the limiting frame (41), the bottom of the limiting frame (41) is fixedly provided with a connecting frame (42), and the other end of the connecting frame (42) is fixedly connected with the wrapping frame (2).

3. A ground resistance testing device according to claim 1, wherein: the bottom and the inner side of the wrapping frame (2) are hollow, the side edges of the wrapping frame (2) are slidably connected with limiting plates (21), springs (24) are symmetrically fixed on the back surfaces of the limiting plates (21), and the other ends of the springs (24) are fixed on the inner wall of the wrapping frame (2).

4. A ground resistance testing device according to claim 3, wherein: the middle part position of limiting plate (21) is fixed with inserted post (25), and inserted post (25) other end slides out parcel frame (2).

5. A ground resistance testing device according to claim 2, wherein: the limiting frame (41) and the connecting frame (42) are made of insulating plastic materials.

6. A ground resistance testing device according to claim 1, wherein: the front of the pincerlike grounding resistance instrument (1) is provided with a sliding groove (11), and a push block (23) is connected inside the sliding groove (11) in a sliding manner.

7. The ground resistance testing device of claim 6, wherein: the push block (23) is provided with a bidirectional screw rod (22) towards one end of the clamp-shaped grounding resistance instrument (1) through the long plate, the bidirectional screw rod (22) penetrates through two sides of the long plate of the push block (23) through bearing rotation, and the bottoms of the two wrapping frames (2) are engaged and sleeved at two ends of the bidirectional screw rod (22).