CN216214202U - Self-adaptive grounding wire clamp - Google Patents

Abstract

The utility model discloses a self-adaptive ground clamp, which comprises a grounding device and an operating device, wherein the grounding device comprises a ground clamp, a loading and unloading buckling groove, an electric operating rod and a grounding wire, the operating device comprises an loading and unloading arm and an loading and unloading insulating operating rod, the ground clamp is arranged at one end of a rod body of the electric operating rod, the loading and unloading buckling groove is connected at the other end of the electric operating rod, the electric operating rod drives the ground clamp to open and close when rotating along an axis, one end of the loading and unloading insulating operating rod is fixedly connected with the loading and unloading arm, the loading and unloading buckling groove is detachably connected with the loading and unloading arm, the loading and unloading buckling groove and the loading and unloading arm can rotate by taking a connecting point of the loading and unloading buckling groove and the loading and unloading arm as a circle center, through loading and unloading arm and loading and unloading catching groove detachable construction reduce the weight that articulates equipment, carry out multi-angle adjustment through rotatory loading and unloading catching groove to the earth clamp, it is nimble to solve multiple angle mounted position, and the fastener of being convenient for can install and multiple angle suspension operation in narrow and small space more.

Description

Self-adaptive grounding wire clamp

Technical Field

The utility model relates to the technical field of power facility maintenance, in particular to a self-adaptive grounding wire clamp.

Background

The ground wire becomes an essential part in the daily work of a transformer substation, and before the power failure maintenance of a high-voltage and ultrahigh-voltage transmission line, the ground wires are hung at two ends of a working point in order to prevent a line from suddenly incoming and induced electricity from hurting people. Under the normal condition, because of the structural characteristics of the traditional grounding wire, some unsafe behaviors of operators and hidden dangers existing in the maintenance process are inevitably caused, the quality of hanging and detaching the grounding wire during maintenance operation is difficult to guarantee, the workload of the operators is increased, and the power failure operation time is prolonged. The prior art ground wire is suitable for hanging on a horizontal wire, and is inconvenient for a vertical wire. When the ground point space is not enough, when the space is narrow, hardly fix the earth connection chuck on by earthing device, the fastening degree of earth clamp is lower, easily takes place by the problem that earthing device squinted or drop, and safety in utilization is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that the ground wire is difficult to hang and detach during maintenance operation, the narrow space and the vertical hanging are inconvenient, the fastening degree of the ground wire clamp is low and the like, and aims to provide a self-adaptive ground wire clamp which reduces the falling risk of the ground wire clamp during wiring and is convenient for hanging operation in the narrow space and at various angles.

The utility model is realized by the following technical scheme:

an adaptive ground clamp comprising a grounding device and an operating device:

the grounding device comprises a grounding wire clamp, a loading and unloading buckle groove, an electric operating rod and a grounding wire;

the operating equipment comprises a loading and unloading arm and an loading and unloading insulating operating rod;

the one end at the electric operating rod body is installed to the earth clamp, the loading and unloading catching groove is connected at the electric operating rod other end, the electric operating rod drives the earth clamp to open and shut when rotating along the axle center, loading and unloading insulating bar's one end and loading and unloading arm fixed connection, the loading and unloading catching groove is connected for dismantling with the loading and unloading arm, and loading and unloading catching groove and loading and unloading arm can use loading and unloading catching groove and loading and unloading arm tie point to rotate as the centre of a circle, the earth connection articulates on the earth clamp.

The electric operating rod drives the grounding wire clamp to open and close when rotating along the axis, the opening and closing degree of the grounding wire clamp is controlled according to the wire diameter of the grounded equipment, the fastening degree of the grounding wire clamp is increased, the insulating arm can be detached from the insulating assembling and disassembling buckling groove after the insulating grounding wire clamp is hung on the grounded equipment through the detachable connection of the assembling and disassembling buckling groove and the assembling and disassembling arm, the weight of the insulating assembling and disassembling buckling groove hung on the grounded equipment is reduced, the falling risk of the grounding wire clamp during wiring is reduced, the assembling and disassembling buckling groove changes the installation angle of the grounded equipment and the operating equipment through rotation, and the multi-azimuth and multi-angle hanging operation can be carried out on the grounded equipment. The ground clamp can be rotated, the installation positions of various angles are flexible, and the clamp can be installed in a narrow space and can be hung at various angles conveniently.

Further, the earth clamp includes first clamping part and second clamping part, and two clamping part one ends are connected and are fixed on the electric operating rod, and first clamping part and second clamping part are towards keeping away from the bellied arc of earth clamp center pin. Through the opening and closing of the clamping parts, the grounding device is suitable for grounded equipment with various wire diameters.

Furthermore, first clamping part includes first centre gripping piece and second centre gripping piece, and first centre gripping piece sets up in the one end of being connected near first clamping part and second clamping part, and the second centre gripping piece sets up at first clamping part and second clamping part, first centre gripping piece and second centre gripping piece are to the bellied arc of earth clamp center pin, form a recess between first centre gripping piece and the second centre gripping piece. The second clamping part comprises a third clamping piece and a fourth clamping piece, the third clamping piece is arranged at one end, close to the second clamping part, connected with the first clamping part, the fourth clamping piece is arranged at the other end, connected with the first clamping part, of the second clamping part, the third clamping piece and the fourth clamping piece are in an arc shape protruding towards the center shaft of the grounding wire clamp, and a groove is formed between the third clamping piece and the fourth clamping piece. Through set up two convex clamping pieces on the clamping part, increase the area of contact between earth clamp and the grounded equipment, the increase is to the centre gripping dynamics of grounded equipment.

Further, the distance between the first clamping piece and the third clamping piece is larger than the distance between the second clamping piece and the fourth clamping piece. When the grounding wire clamp is hung on the grounded equipment, the grounded equipment is clamped through the second clamping piece and the fourth clamping piece, and the grounding wire clamp is prevented from slipping off when being hung on the grounded equipment.

Further, the cambered surfaces of the first clamping part and the second clamping part are provided with strip-shaped holes, the strip-shaped holes of the first clamping part are arranged on the same side of one end connected with the first clamping part and the first clamping piece, and the strip-shaped holes of the second clamping part are arranged on the same side of one end connected with the second clamping part and the third clamping piece. Set up the weight that the bar hole alleviateed earth clamp, provide buffer space for the holding piece compresses tightly by earthing device.

Furthermore, the first clamping part, the first clamping piece and the second clamping piece are integrally formed, and the second clamping part, the third clamping piece and the fourth clamping piece are integrally formed. The manufacturing process is simplified, and the integrated forming provides better stability for the grounding wire clamp.

Further, the insulating operating rod comprises one or more insulating rods. The length of the loading and unloading insulating rod is changed according to the requirements of the working environment, the operation with various heights is adapted, and the equipment utilization rate and the working efficiency are improved.

Further, the earth clamp is provided with an electricity testing device. The ground clamp is clamped by the grounding device and is simultaneously subjected to electricity testing operation, the grounding wire is grounded while electricity is tested, and the person electric shock caused by the time difference between electricity testing and grounding is avoided.

Furthermore, the convex sides of the first clamping piece, the second clamping piece, the third clamping piece and the fourth clamping piece are provided with pressure sensors. When the pressure sensor monitors that the pressure of the grounding wire clamp clamped by the grounding equipment exceeds a set threshold value, the alarm device is started.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the installation is more convenient in narrow and small space, and the installation is more nimble, has reduced the degree of difficulty that articulates, tear the ground wire open, has reduced the probability that the displacement appears or drop in the use, has reduced the installation risk, has increased rate of equipment utilization and installation effectiveness.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a ground clip according to an embodiment of the utility model.

Reference numbers and corresponding part names in the drawings:

1-a grounding wire clamp, 2-a loading and unloading buckle groove, 3-an electric operating rod, 4-a loading and unloading arm, 5-a loading and unloading insulating operating rod, 6-a grounding wire, 11-a first clamping part, 12-a second clamping part, 13-a first clamping piece, 14-a second clamping piece, 15-a third clamping piece and 16-a fourth clamping piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

This embodiment 1 provides an adaptive ground clip,

an adaptive ground clamp is disclosed, as shown in figure 1, comprising a grounding device and an operating device, wherein the grounding device comprises an electricity testing grounding clamp 1, a loading and unloading buckle slot 2, an electric operating rod 3 and a grounding wire 6, the operating device comprises an loading and unloading arm 4 and an loading and unloading insulating operating rod 5, the grounding clamp 1 is arranged at one end of the rod body of the electric operating rod 3, the loading and unloading buckle slot 2 is connected at the other end of the electric operating rod 3, the electric operating rod 3 drives the grounding clamp 1 to open and close when rotating along the axis, one end of the loading and unloading insulating operating rod 5 is fixedly connected with the loading and unloading arm 4, the loading and unloading buckle slot 2 is detachably connected with the loading and unloading arm 4, the loading and unloading buckle slot 2 and the loading and unloading arm 4 can rotate by taking the connecting point of the loading and unloading buckle slot 2 and the loading and unloading arm 4 as the circle center, when the grounded device parallel to the horizontal plane is grounded, the loading and unloading buckle slot 2 and the loading and unloading arm 4 are rotated to enable the axis to be on the same horizontal line, when the grounded equipment is vertical to the horizontal plane or at other angles, the assembling and disassembling shackle groove 2 is rotated, so that the grounded equipment can be clamped by the grounding wire clamp 1 at the optimal position, the grounding wire 6 is hung on the grounding wire clamp 1, and when the grounded equipment is clamped by the grounding wire clamp 1, the grounding wire 6 is connected with the grounding end.

In some possible embodiments, as shown in fig. 2, the ground clamp 1 includes a first clamping portion 11 and a second clamping portion 12, one end of the two clamping portions is connected and fixed on the electric operating rod, when the electric operating rod 3 rotates along the axis, the first clamping portion 1 and the second clamping portion 2 of the ground clamp 1 are controlled to be away from each other, so as to clamp the ground clamp 1 to the grounded equipment, when the electric operating rod 3 rotates along the axis in the opposite direction, the first clamping portion 11 and the second clamping portion 12 of the ground clamp 1 are controlled to be close to each other, the ground clamp 1 tightly clamps the grounded equipment, and after the grounded equipment is overhauled, the electric operating rod 3 rotates along the axis to control the first clamping portion 11 and the second clamping portion 12 of the ground clamp 1 to be away from each other, so as to take the grounded equipment out of the clamp 1.

In some possible embodiments, the first clamping portion 11 includes a first clamping piece 13 and a second clamping piece 14, the first clamping piece 13 is disposed near one end where the first clamping portion 1 and the second clamping portion 12 are connected, the second clamping piece 14 is disposed at the first clamping portion 11 and the second clamping portion 12, the first clamping piece 13 and the second clamping piece 14 are arc-shaped protruding toward the central axis of the ground clamp 1, a groove is formed between the first clamping piece 13 and the second clamping piece 14, the second clamping part 12 comprises a third clamping piece 15 and a fourth clamping piece 16, the third clamping piece 15 is arranged at one end close to the second clamping part 12 and connected with the first clamping part 11, the fourth clamping piece 16 is arranged at the other end of the second clamping part 12 and connected with the first clamping part 11, the third clamping piece 15 and the fourth clamping piece 16 are in an arc shape protruding towards the central axis of the grounding wire clamp 1, and a groove is formed between the third clamping piece 15 and the fourth clamping piece 16. When ground clamp 1 is to being carried out the centre gripping by earthing device, the cambered surface structure can be better with being laminated by earthing device, improve ground clamp 1 and by earthing device's area of contact by a wide margin, the protection is by earthing device not damaged, improve ground clamp 1 and by the frictional force between the earthing device, the shrink function through clamping part and clamping piece increases the pressure of ground clamp 1 to being by earthing device's centre gripping, when having reduced ground clamp 1 centre gripping by earthing device, by the risk that earthing device squinted or drop, control the distance between the first clamping part 11 of ground clamp 1 and the second clamping part 12 through electric operating rod 3, confirm the distance between two clamping parts according to being by earthing device's line footpath, this ground clamp 1 is applicable to multiple line footpath, multiple shape by earthing device.

In some possible embodiments, the distance between the first clamping piece 13 and the third clamping piece 15 is greater than the distance between the second clamping piece 14 and the fourth clamping piece 16, when the grounding wire clamp 1 clamps the grounded device, the first clamping piece 13 and the second clamping piece 14 are tightly attached to the grounded device, the distance between the second clamping piece 14 and the fourth clamping piece 16 is less than the wire clamp of the grounded device, the friction force between the clamping pieces and the grounded device is increased, the grounding wire clamp 1 can be hung on the grounded device, and the risk of falling off when the grounding wire clamp 1 is hung is reduced.

In some possible embodiments, the first clamping portion 11, the second clamping portion 12, the first clamping piece 13 and the second clamping piece 14 are spring steel pieces, when the first clamping portion 11 and the second clamping portion 12 contract to apply pressure to the grounded equipment, the elastic steel pieces have a buffer effect to prevent the grounded equipment from being damaged due to excessive pressure, the arc surfaces of the first clamping portion and the second clamping portion are both provided with strip-shaped holes, the strip-shaped hole of the first clamping portion is shared with one end of the first clamping portion connected with the first clamping piece, the strip-shaped hole of the second clamping portion is shared with one end of the second clamping portion connected with the third clamping piece, the first clamping portion 11, the first clamping piece 13 and the second clamping piece 14 are integrally formed, the second clamping portion 12, the third clamping piece 15 and the fourth clamping piece 16 are integrally formed, the strip-shaped holes are arranged to reduce the weight of the strip-shaped wire clamp 1, so as to provide a buffer space for the clamping pieces to press the grounded equipment, when electric operating rod 3 drove first clamping part 11 and second clamping part 12 closed, there was the interact force by earthing device between first holding piece 13, second holding piece 14, third holding piece 15 and fourth holding piece 16, when the holding piece received by earthing device's reaction force, the holding piece cushioned through the bar hole on the clamping part, reduced the damage of being earthing device's reaction force to earth clamp 1.

In some possible embodiments, during the operation process of hanging the ground wire, after the ground wire clamp 1 is hung on the grounded equipment, the loading and unloading arm 4 of the insulating rod 5 is taken down from the loading and unloading buckle groove 2 hung on the grounded equipment, the loading and unloading arm 4 is installed in the loading and unloading buckle groove 2 of another grounded equipment, and the other ground wire clamps 1 are hung and disassembled, so that a single operating device can be matched with a plurality of grounded equipment to carry out the work of hanging and disassembling the ground wire, the loading and unloading arm 4 is taken down after the ground wire clamp 1 is hung on the grounded equipment, the whole weight of the ground part hung on the grounded equipment is reduced, the risk of falling off when the ground wire clamp 1 is hung is reduced, and the problem of difficult storage and transportation is solved.

In some possible embodiments, the insulating operating rod 5 comprises one or more sections of insulating rods, the loading and unloading insulating operating rod 5 can be combined through threads matched with two ends of the insulating operating rod, the length of the loading and unloading insulating operating rod 5 can be changed, a clamping groove can be formed in one end of the loading and unloading insulating operating rod 5, a protrusion matched with the clamping groove is formed in the other end of the loading and unloading insulating operating rod 5 and is connected with the other end of the loading and unloading insulating operating rod, the length of the loading and unloading insulating operating rod 5 is changed, the length of operating equipment is increased by using the multiple sections of the loading and unloading insulating operating rod 5 to be combined and connected during high-altitude operation, the operation difficulty of workers hanging the ground wires is reduced, the length of the operating equipment can be changed according to working environment requirements during maintenance, multiple-height operation is adapted, and the equipment utilization rate and the working efficiency are improved.

In some possible embodiments, before the grounding wire clamp 1 is hung, the grounding wire 3 is connected with the grounding end, the grounding wire clamp 1 clamps the grounded equipment and simultaneously conducts electricity testing operation, when the grounding wire clamp 1 contacts the grounded equipment, whether the voltage in the grounded equipment is zero or not is detected through the electricity testing device, and the human body electric shock caused by the time difference between electricity testing and grounding is avoided.

In some possible embodiments, when the electric operating rod 3 rotates along the axis to make the first clamping portion 11 and the second clamping portion 12 of the ground clamp 1 approach each other, the ground clamp 1 blocks the grounded equipment, the pressure sensors on the four clamping pieces monitor the pressure of the four clamping pieces on the grounded equipment, when the pressure sensors monitor that the pressure of the ground clamp 1 on the grounded equipment reaches a set threshold, an alarm is given, and damage to the grounded equipment caused by overlarge pressure when the ground clamp 1 contracts is avoided.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. An adaptive ground clamp, characterized by, includes earthing device and operating means:

the grounding device comprises a grounding wire clamp (1), a mounting and dismounting buckle groove (2), an electric operating rod (3) and a grounding wire (6);

the operating equipment comprises a loading and unloading arm (4) and an loading and unloading insulating operating rod (5);

the one end at the electric operating rod (3) body of rod is installed in earth clamp (1), the loading and unloading catching groove (2) is connected at the electric operating rod (3) other end, electric operating rod (3) drive earth clamp (1) when rotating along the axle center and open and shut, the one end and loading and unloading arm (4) fixed connection of loading and unloading insulating bar (5), loading and unloading catching groove (2) and loading and unloading arm (4) are connected for dismantling, and loading and unloading catching groove (2) and loading and unloading arm (4) can use loading and unloading catching groove (2) and loading and unloading arm (4) tie point to rotate as the centre of a circle, earth connection (6) articulate on earth clamp (1).

2. An adaptive ground clamp according to claim 1, characterized in that the ground clamp (1) comprises a first clamping portion (11) and a second clamping portion (12), one end of which is connected and fixed to the electric operating rod (3), the first clamping portion (11) and the second clamping portion (12) being in the shape of an arc protruding towards the central axis of the ground clamp (1).

3. The adaptive ground clamp according to claim 2, characterized in that the first clamping portion (11) comprises a first clamping piece (13) and a second clamping piece (14), the first clamping piece (13) is arranged near one end where the first clamping portion (11) is connected with the second clamping portion (12), the second clamping piece (14) is arranged near the other end where the first clamping portion (11) is connected with the second clamping portion (12), the first clamping piece (13) and the second clamping piece (14) are arc-shaped protruding towards the central axis of the ground clamp (1), and a groove is formed between the first clamping piece (13) and the second clamping piece (14).

4. The adaptive ground clamp according to claim 3, characterized in that the second clamping portion (12) comprises a third clamping piece (15) and a fourth clamping piece (16), the third clamping piece (15) is arranged near one end of the second clamping portion (12) connected with the first clamping portion (11), the fourth clamping piece (16) is arranged near the other end of the second clamping portion (12) connected with the first clamping portion (11), the third clamping piece (15) and the fourth clamping piece (16) are arc-shaped protruding towards the central axis of the ground clamp (1), and a groove is formed between the third clamping piece (15) and the fourth clamping piece (16).

5. An adaptive ground clamp according to claim 4, characterized in that the distance between the first clamping piece (13) and the third clamping piece (15) is larger than the distance between the second clamping piece (14) and the fourth clamping piece (16).

6. The self-adaptive ground clamp of claim 4, characterized in that the cambered surfaces of the first clamping portion (11) and the second clamping portion (12) are provided with strip-shaped holes, the strip-shaped holes of the first clamping portion (11) are arranged at the same side of one end of the first clamping portion (11) connected with the first clamping piece (13), and the strip-shaped holes of the second clamping portion (12) are arranged at the same side of one end of the second clamping portion (12) connected with the third clamping piece (15).

7. The adaptive ground clamp according to claim 6, characterized in that the first clamping portion (11), the first clamping piece (13), the second clamping piece (14) are integrally formed, and the second clamping portion (12), the third clamping piece (15), the fourth clamping piece (16) are integrally formed.

8. An adaptive ground clamp according to claim 1, characterized in that the insulated operating rod (5) comprises one or more lengths of insulated rod.

9. An adaptive earth clamp according to claim 1, characterized in that the earth clamp (1) is provided with an electroscopic device.

10. An adaptive ground clamp according to claim 3, characterized in that the convex sides of the first (13), second (14), third (15) and fourth (16) clamping pieces are provided with pressure sensors.

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