CN210243702U

CN210243702U - High-precision high-resistance direct-current grounding finder

Info

Publication number: CN210243702U
Application number: CN201921105880.3U
Authority: CN
Inventors: Wengang Huang; 黄文刚
Original assignee: Guangdong Zhenghe Electric Design Co ltd
Current assignee: Guangdong Zhenghe Electric Design Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-03
Anticipated expiration: 2029-07-16

Abstract

The utility model relates to the technical field of power detection equipment, and discloses a high-precision high-resistance direct-current grounding finder, which comprises a finder body, wherein an electric wire is inserted into the top of the finder body, one end of the electric wire, which is far away from the finder body, is fixedly connected with a clamp, two symmetrically distributed grooves are formed in the back surface of the finder body, a belt mechanism is rotationally connected in each groove, and buffer mechanisms are fixedly connected to the left side and the right side of the finder body; the band mechanism includes the pivot of being connected with the recess lateral wall rotation, the outer wall fixedly connected with two symmetric distribution's of pivot torsion spring, two torsion spring back on the back one end respectively with the left and right sides fixed connection of recess, the common fixedly connected with band of two torsion spring's outer wall. The utility model discloses thereby can effectually avoid seeking the problem that the appearance body drops and lead to seeking the unable normal use of appearance body, and can effectually avoid seeking the problem that the appearance body drops subaerial easy damage.

Description

High-precision high-resistance direct-current grounding finder

Technical Field

The utility model relates to an electric power check out test set technical field especially relates to a high accuracy high resistant direct current ground connection appearance of seeking.

Background

Direct current system grounding is a fault that is prone to occur and is a significant hazard to the power system. The positive pole of the direct current system is grounded, so that relay protection misoperation can be caused, because the tripping coil is connected with the negative pole of the direct current power supply, the system is grounded at one point or has poor insulation, and the protection misoperation can be caused; the negative pole of the direct current system is grounded, and the system has a point with poor grounding or insulation, so that a tripping loop or a closing loop can be short-circuited to cause protection refusal, the system breaks down at the moment, the protection refusal inevitably causes the expansion of system accidents, and simultaneously, the contact of a relay can be burnt out or safety can be burnt out.

When the existing high-precision high-resistance direct current grounding searching instrument is used, the searching instrument belongs to handheld equipment, and when the clamp is used for clamping an electric wire, the searching instrument is not easy to hold and drop easily, so that the searching instrument is damaged, and the normal use of the searching instrument is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving prior art high accuracy high resistant direct current ground connection and seeking the appearance when using, because of seeking the appearance and belong to hand-held type equipment, when using the clip centre gripping on the electric wire, the appearance of seeking is difficult for holding, drops easily to lead to seeking the appearance and damage, influence the problem of seeking appearance normal use, and the high accuracy high resistant direct current ground connection appearance that proposes.

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

a high-precision high-resistance direct-current grounding finder comprises a finder body, wherein an electric wire is inserted into the top of the finder body, one end of the electric wire, which is far away from the finder body, is fixedly connected with a clamp, the back of the finder body is provided with two symmetrically distributed grooves, a belt mechanism is rotationally connected in the grooves, and the left side and the right side of the finder body are both fixedly connected with a buffer mechanism;

the band mechanism includes rotates the pivot of being connected with the recess lateral wall, the outer wall fixedly connected with of pivot has two symmetric distribution's torque spring, two the one end that torque spring carried on the back mutually respectively with the left and right sides fixed connection of recess, two the common fixedly connected with band of torque spring's outer wall.

Preferably, the side wall of the groove is fixedly connected with a cover plate.

Preferably, the equal fixedly connected with fixed block in the left and right sides of electric wire, corresponding screw hole has all been seted up on the surface of fixed block and the top of seeking the appearance body, and screw hole female connection has the bolt.

Preferably, buffer gear includes the supporting shoe with seeking appearance body lateral wall fixed connection, the outer wall swing joint of supporting shoe has U type support frame, two equal fixedly connected with two symmetric distribution's of one side that two horizontal parts of U type support frame carried on the back mutually buffer spring, two the common fixedly connected with first rubber buffer block of one end that U type support frame was kept away from to buffer spring.

Preferably, one side of the U-shaped support frame opposite to the two horizontal parts is fixedly connected with a rubber pad.

Preferably, the bottom of the searching instrument body is fixedly connected with a second rubber buffer block.

Compared with the prior art, the utility model provides a high accuracy high resistant direct current ground connection seeks appearance possesses following beneficial effect:

1. this appearance is seeked to high accuracy high resistance direct current ground connection through being provided with band mechanism, thereby can effectually avoid the appearance body of seeming to drop and lead to the unable normal use problem of appearance body of seeming.

2. This appearance is seeked to high accuracy high resistance direct current ground connection through being provided with buffer gear, can effectually avoid seeming the appearance body and drop the problem of damaging subaerial easily.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses thereby can effectually avoid seeking the problem that the appearance body drops and lead to seeking the unable normal use of appearance body, and can effectually avoid seeking the problem that the appearance body drops subaerial easy damage.

Drawings

Fig. 1 is a schematic structural diagram of a high-precision high-resistance dc ground finder provided by the present invention;

fig. 2 is a schematic diagram of a back structure of a high-precision high-resistance dc ground finder provided by the present invention;

fig. 3 is the utility model provides a high accuracy high resistance dc ground looks for appearance overlook the schematic diagram.

In the figure: the device comprises a finder body 1, wires 2, a clamp 3, a groove 4, a band 5 mechanism, a rotating shaft 51, a torsion spring 52, a band 53, a buffer mechanism 6, a supporting block 61, a U-shaped supporting frame 62, a buffer spring 63, a first rubber buffer block 64, a fixed block 7, a bolt 8, a second rubber buffer block 9 and a cover plate 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-3, a high-precision high-resistance direct current grounding finder comprises a finder body 1, wherein the finder body 1 belongs to the prior art, and therefore details are omitted, an electric wire 2 is inserted into the top of the finder body 1, a clamp 3 is fixedly connected to one end of the electric wire 2 away from the finder body 1, two symmetrically distributed grooves 4 are formed in the back of the finder body 1, a belt mechanism 5 is rotatably connected in each groove 4, and a buffer mechanism 6 is fixedly connected to each of the left side and the right side of the finder body 1;

the band mechanism 5 includes the pivot 51 of being connected with the recess 4 lateral wall rotation, and the outer wall fixedly connected with of pivot 51 has two symmetric distribution's torsion spring 52, two torsion spring 52 one end that back on the back respectively with the left and right sides fixed connection of recess 4, the common fixedly connected with band 53 of the outer wall of two torsion spring 52, thereby can effectually avoid seeking the problem that appearance body 1 drops and leads to seeking the unable normal use of appearance body.

The side wall fixedly connected with apron 10 of recess 4 can increase the aesthetic property of seeking appearance body 1.

The equal fixedly connected with fixed block 7 in the left and right sides of electric wire 2, corresponding screw hole has all been seted up on the surface of fixed block 7 and the top of looking for appearance body 1, and screw hole female connection has bolt 8, can avoid electric wire 2 to drop.

Buffer gear 6 includes with seeking 1 lateral wall fixed connection's of appearance body supporting shoe 61, and the outer wall swing joint of supporting shoe 61 has U type support frame 62, and the buffer spring 63 of two symmetric distributions of the equal fixedly connected with in one side that two horizontal parts of U type support frame 62 carried on the back mutually, the first rubber buffer block 64 of the common fixedly connected with of one end of U type support frame 62 is kept away from to two buffer spring 63, can effectually avoid seeking the problem that appearance body 1 drops and damages subaerial easy.

The rubber pads are fixedly connected to one opposite sides of the two horizontal portions of the U-shaped support frame 62, so that friction of the U-shaped support frame 62 can be increased conveniently, and the U-shaped support frame is clamped more stably.

The bottom fixedly connected with second rubber buffer block 9 of appearance body 1 seeks can conveniently cushion the subaerial impact force that drops appearance body 1 seeks.

In the utility model, when the finder body 1 needs to be held, the binding band 53 is pulled, the binding band 53 drives the rotating shaft 51 to rotate, the rotating shaft 51 drives the torsion spring 52 to rotate, the bridle 53 is sleeved on the hand, the bridle 53 is loosened, the torsion spring 52 drives the rotating shaft 51 to rotate, the rotating shaft 51 drives the bridle 53 to rotate, so that the whole bridle 53 is tied on the hand of a worker, the problem that the finder body 1 falls off to cause the normal use of the finder body can be effectively avoided, the U-shaped support frame 62 is sleeved on the support block 61 on the side wall of the finder body 1, when the finder body 1 falls, the first rubber buffer block 64 contacts with the ground, the generated vibration force extrudes the first rubber buffer block 64, the first rubber buffer block 64 extrudes the buffer spring 63, the buffer spring 63 contracts inwards, through the resilience of first rubber buffer block 64 and buffer spring 63, can effectually avoid seeking appearance body 1 to drop the problem of damaging subaerial easily.

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. A high-precision high-resistance direct-current grounding finder comprises a finder body (1), wherein an electric wire (2) is inserted into the top of the finder body (1), and one end, far away from the finder body (1), of the electric wire (2) is fixedly connected with a clamp (3), and is characterized in that two symmetrically-distributed grooves (4) are formed in the back surface of the finder body (1), a belt mechanism (5) is rotationally connected in each groove (4), and buffering mechanisms (6) are fixedly connected to the left side and the right side of the finder body (1);

the strap mechanism (5) includes pivot (51) of being connected with recess (4) lateral wall rotation, the outer wall fixedly connected with of pivot (51) two symmetric distribution's torsion spring (52), two the one end that torsion spring (52) carried on the back mutually respectively with the left and right sides fixed connection of recess (4), two the common fixedly connected with strap (53) of outer wall of torsion spring (52).

2. A high precision and high resistance dc ground finder according to claim 1, characterized in that a cover plate (10) is fixedly connected to the side wall of the groove (4).

3. The high-precision high-resistance direct current grounding finder according to claim 1, wherein fixing blocks (7) are fixedly connected to the left side and the right side of the electric wire (2), corresponding threaded holes are formed in the surface of each fixing block (7) and the top of the finder body (1), and bolts (8) are connected to the threaded holes in a threaded manner.

4. The high-precision high-resistance direct current grounding finder according to claim 1, wherein the buffer mechanism (6) comprises a supporting block (61) fixedly connected with the side wall of the finder body (1), the outer wall of the supporting block (61) is movably connected with a U-shaped supporting frame (62), two buffer springs (63) symmetrically distributed are fixedly connected to one opposite sides of two horizontal portions of the U-shaped supporting frame (62), and one ends of the two buffer springs (63) far away from the U-shaped supporting frame (62) are fixedly connected with a first rubber buffer block (64) together.

5. The high-precision high-resistance direct-current grounding finder according to claim 4, wherein a rubber pad is fixedly connected to one side of the U-shaped supporting frame (62) opposite to the two horizontal portions.

6. The high-precision high-resistance direct current grounding finder according to claim 1, wherein a second rubber buffer block (9) is fixedly connected to the bottom of the finder body (1).