CN210182613U

CN210182613U - Damping type grounding wire clamp

Info

Publication number: CN210182613U
Application number: CN201921202620.8U
Authority: CN
Inventors: Xuanlin Chen; 陈宣林; Feng Shi; 时峰; Yuxiong Zhang; 张宇雄; Jiawang Mao; 毛家旺; Jianzhong Tang; 唐建忠; Chunbo Zhou; 周春波; Juntao Zeng; 曾俊韬; Qing Zhou; 周晴; Kai Song; 宋凯; Haidong Zhang; 张海东
Original assignee: Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Current assignee: Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-03-24
Anticipated expiration: 2029-07-29

Abstract

The utility model relates to a power maintenance technical field especially relates to a damping formula earth clamp, include: the clamping plate comprises a clamping plate body, a rotating shaft and a torsion spring, wherein the clamping plate body is arranged on a rotating frame, the rotating shaft is arranged in the middle of the clamping plate body, and the rotating shaft is provided with the torsion spring, so that the first end of the clamping plate body is in an open state, and the second end of the clamping plate body is in a clamping state; the rotary frame is hinged to the mounting frame body, and the threaded sleeve is fixed at the bottom of the mounting frame body; the clamping plate comprises a clamping plate body and is characterized by further comprising a conical head and a connecting shaft, wherein threads are arranged on the outer peripheral side of the connecting shaft and are meshed with the threaded sleeve, one end of the connecting shaft is connected with the operating rod, the other end of the connecting shaft is connected with the conical head, and the conical head is arranged below the second end of the clamping plate body. The utility model discloses the quality is light and handy, portable, the principle is simple, convenient operation, the contact is good, reliable and stable, application scope is wide, the commonality is strong, the security performance is superior, low in labor strength, operating efficiency are high in the operation process.

Description

Damping type grounding wire clamp

Technical Field

The utility model relates to a power maintenance technical field especially relates to a damping formula earth clamp.

Background

The grounding is an important technical measure for ensuring the safe development of the power failure maintenance operation of the power system, and the grounding wire clamp is an important part for realizing the link. At present, the earth clamp that the electric power industry has a power failure to overhaul and use is of a great variety, and the form is various, for example: tongue-shaped compression type wire clamps, duckbilled flat wire clamps, bolt fastening type grounding wire clamps and the like. Tongue-shaped compression type wire clamps and duckbilled flat wire clamps are basically eliminated due to the problem that the tongue-shaped compression type wire clamps and the duckbilled flat wire clamps are easy to separate in the using process, and bolt fastening type grounding wire clamps are not easy to separate after being fixed on a lead, have high reliability and are the most widely used grounding wire clamps at present.

In the process of installing the grounding wire, an operator clamps or loosens the movable clamping plate by rotating the insulating operating rod connected with the grounding wire clamp to fix the grounding wire clamp and the conducting wire. The ground clamp used at present has the following problems:

1. the applicability is poor: the installation of the horizontal position of the wire of the power transmission line is convenient, but because the angle between the wire and the operating rod cannot be adjusted by the existing movable clamping plate, the difficulty in using the wire with the angle in the vertical direction (such as a bus drainage wire of a transformer substation) is high, the assembly and disassembly work is difficult to complete on the ground only by operating personnel, and the assembly and disassembly work can be completed only by means of an insulating ladder, a bucket arm vehicle or other climbing tools.

2. The universality is poor: and the device can not be used for the operation and the detection of the transmission line and the power transformation at the same time, thereby causing resource waste.

3. The problems of high labor intensity and low operation efficiency exist in the operation process of operators.

4. The safety risk is high: once the operation is careless, the operators fall from high altitude, and great personal safety hidden danger exists.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a damping formula earth clamp solves among the prior art bolt-up formula earth clamp because the suitability that unable angle regulation leads to is poor, the poor problem of commonality, has still solved the problem that operating personnel intensity of labour is big, the operating efficiency is low and the safety risk is high.

(II) technical scheme

In order to solve the technical problem, the utility model provides a damping formula earth clamp, include: the device comprises a clamping plate assembly, a rotating frame, a mounting frame assembly, a conical head assembly, an operating rod and a damping fin; wherein the content of the first and second substances,

the clamping plate assembly comprises a clamping plate body, a rotating shaft and a torsion spring, the clamping plate body is mounted on the rotating frame, the rotating shaft is arranged in the middle of the clamping plate body, and the torsion spring is arranged on the rotating shaft, so that the first end of the clamping plate body is in an open state, and the second end of the clamping plate body is in a clamping state;

the mounting rack assembly comprises a threaded sleeve and a mounting rack body, the rotating rack is hinged to the mounting rack body, and the threaded sleeve is fixed at the bottom of the mounting rack body;

the conical head assembly comprises a conical head and a connecting shaft, threads are arranged on the peripheral side of the connecting shaft and are meshed with the threaded sleeve, one end of the connecting shaft is connected with the operating rod, the other end of the connecting shaft is connected with the conical head, and the conical head is arranged below the second end of the clamping plate body;

the damping fin is arranged between the rotating frame and the mounting frame body.

The connecting shaft is connected with the conical head through the conical head cover.

The mounting frame assembly further comprises a guide rod, and the guide rod penetrates through the conical head.

Wherein, still include first screw rod, second screw rod, first nut and second nut, the swivel mount is equipped with first through-hole and second through-hole, the mounting bracket body is equipped with third through-hole and fourth through-hole, first screw rod passes in proper order first through-hole with the third through-hole, first nut with first screw rod meshing, the second screw rod passes in proper order the second through-hole with the fourth through-hole, the second nut with the second screw rod meshing.

The mounting frame body is provided with a first screw, a first nut and a second screw, wherein the mounting frame body is provided with a first nut, the first nut is fixed on the mounting frame body, the second nut is fixed on the mounting frame body, the first nut is fixed on the first nut, and the second nut is fixed on the second nut.

The connecting shaft is connected with the operating rod through the connecting sleeve.

The second end of the splint body and the contact part of the conical head extend outwards, the top of the conical head is a tip part, and the conical head gradually shrinks towards the top from the bottom of the conical head.

The connecting shaft is connected with the conical head through the thrust ball bearing.

Wherein, the action bars are made of insulating materials.

Wherein, the damping fin is the annular, and the surface of damping fin is equipped with multichannel slot and fifth through-hole, the fifth through-hole is followed the axial of damping fin runs through, the direction of arranging of slot by the center of damping fin outwards extends, the ditch inslot is equipped with the friction body.

(III) advantageous effects

The utility model provides a pair of damping formula earth clamp, through the articulated relation between swivel mount and the mounting bracket, can realize that the manual swivel mount that twists reverse makes it at 0-90 within range assigned position, through the manual rotatory action bars for the first end of splint body opens, can realize that the wire ground of different angles and different models is installed, and the wire ground connection of reversal rotation action bars, because torque spring's effect, the tight earth connection of first end clamp of splint body. The utility model discloses mainly used transformer fortune is examined, also can be used to installing of transmission line earth connection, its quality is light and handy, portable, the principle is simple, convenient operation, the contact is good, reliable and stable, application scope is wide, the commonality is strong, the security performance is superior, operating personnel low in labor strength, operating efficiency height in the operation process.

Drawings

Fig. 1 is a schematic structural view of a damping type ground clip of the present invention;

FIG. 2 is a front view of the cleat assembly of the present invention;

fig. 3 is a left side view of the cleat assembly of the present invention;

FIG. 4 is a front view of the bit assembly of the present invention;

FIG. 5 is a cross-sectional view taken along plane E-E of FIG. 4;

fig. 6 is a front partial perspective view of the swivel frame of the present invention in an inclined state;

fig. 7 is a back partial perspective view of the swivel frame of the present invention in an inclined state;

fig. 8 is a schematic structural view of the mounting bracket body of the present invention;

FIG. 9 is a schematic structural view of the damping fin of the present invention;

FIG. 10 is a front view of the damping fin of the present invention;

fig. 11 is a bottom view of the damping fin of the present invention;

FIG. 12 is a partial view of A in FIG. 11;

fig. 13 is a sectional view taken along line B-B of fig. 10.

In the figure, 1, a first splint; 2. a second splint; 3. a torsion spring; 4. a rotating shaft; 5. a rotating frame; 6. a guide bar; 7. a mounting bracket body; 8. a conical head; 9. a conical head cover; 10. a threaded sleeve; 11. a connecting shaft; 12. connecting sleeves; 13. an adjusting handle; 14. a ground terminal; 15. a nut; 16. a thrust ball bearing; 17. an operating lever; 18. a damping fin; 19. a trench; 20. a fifth through hole; 21. a friction body.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-8, the utility model discloses a damping formula earth clamp, a serial communication port, include: the clamping plate assembly, the rotating frame 5, the mounting frame assembly, the conical head assembly and the operating rod 17; wherein the content of the first and second substances,

the clamping plate assembly comprises a clamping plate body, a rotating shaft 4 and a torsion spring 3, the clamping plate body is mounted on the rotating frame 5, the rotating shaft 4 is arranged in the middle of the clamping plate body, the rotating shaft 4 is provided with the torsion spring 3, so that the first end of the clamping plate body is in an open state, and the second end of the clamping plate body is in a clamping state;

the mounting rack assembly comprises a threaded sleeve 10 and a mounting rack body 7, the rotating rack 5 is hinged to the mounting rack body 7, and the threaded sleeve 10 is fixed at the bottom of the mounting rack body 7;

the conical head assembly comprises a conical head 8 and a connecting shaft 11, threads are arranged on the outer peripheral side of the connecting shaft 11 and are meshed with the threaded sleeve 10, one end of the connecting shaft 11 is connected with the operating rod 17, the other end of the connecting shaft 11 is connected with the conical head 8, and the conical head 8 is arranged below the second end of the clamping plate body.

Specifically, the first end of the clamping body adopted by the utility model is provided with a first clamping device, which specifically comprises a first arc-shaped clamping plate structure and a second arc-shaped clamping plate structure which are correspondingly arranged and are used for clamping the wire; the second end of the clamping body is provided with a second clamping device, and the second clamping device comprises a third arc-shaped clamping plate structure and a fourth arc-shaped clamping plate structure which are correspondingly arranged and used for being in contact with the conical head 8 and transmitting thrust, so that the clamping body rotates around the rotating shaft 4 to drive the first arc-shaped clamping plate structure and the second arc-shaped clamping plate structure to be in an open state. As shown in fig. 2 and 3, the first arc-shaped clamping plate structure and the third arc-shaped clamping plate structure are integrated into a whole, named as a first clamping plate 1, which can rotate around the rotation shaft 4 at the center, and the second arc-shaped clamping plate structure and the fourth arc-shaped clamping plate structure are integrated into a whole, named as a second clamping plate 2, which can rotate around the rotation shaft 4 at the center, so that when the first clamping device is in a loosening state, the second clamping device is in a clamping state; when the first clamping device is in a clamping state, the second clamping device is in a loosening state. Wherein, the first splint 1 and the second splint 2 are arranged in a staggered way. Generally, when the conical head 8 does not press the second clamping device, the second clamping device maintains a clamped state due to the torsion spring 3 of the rotating shaft 4. During the use, mounting bracket body 7 is the immobilization, and swivel mount 5 is articulated with mounting bracket body 7, can the angle of manual regulation swivel mount 5, and this angle regulation's value range is 0-90, can realize splint subassembly's whole angle modulation. As shown in fig. 6 and 7, the rotation frame of the ground clip of the present invention is attached to the rotation frame at an inclination angle of 45 °. Constructor can drive connecting axle 11 together rotatory through rotatory action bars 17, through the screw thread of connecting axle 11 and the thread engagement of swivel nut 10, because the swivel nut is fixed in the bottom of mounting bracket body for connecting axle 11 can reciprocate. Specifically, the connecting shaft 11 and the threaded sleeve 10 are in a nested relationship, the threaded sleeve 10 is sleeved on the outer side of the connecting shaft 11, the conical head 8 can be upwards jacked up through the connecting shaft 11, the conical head 8 can be conical, the top of the conical head 8 is aligned with the second end of the splint body, when jacking force given by the conical head 8 is greater than elastic force of the torsion spring 3, the second clamping device is gradually opened, and the first clamping device is gradually clamped. The damping fin 18 in this embodiment adopts a sliding friction manner, and is located between the rotating frame 5 and the mounting frame body 7, so that when the rotating frame 5 is manually driven to rotate, the damping design requirement is met due to the friction force given by the damping fin, and spontaneous rotation of the rotating frame 5 due to the change of the gravity center position of the rotating frame is avoided. As shown in fig. 6 and 7, the rotation frame of the ground clip of the present invention is attached to the rotation frame at an inclination angle of 45 °.

The utility model provides a pair of damping formula earth clamp, through the articulated relation between swivel mount and the mounting bracket, can realize that manual torsion swivel mount makes it at 0-90 within range assigned position, and adopt interior damped mode, through the manual rotation action bars for the first end of splint body opens, can realize that the wire ground connection of different angles and different models is installed, the wire ground connection of reverse rotation action bars, because torque spring's effect, the tight earth connection of clamp of first end clamp of splint body. The utility model discloses mainly used transformer fortune is examined, also can be used to installing of transmission line earth connection, its quality is light and handy, portable, the principle is simple, convenient operation, the contact is good, reliable and stable, application scope is wide, the commonality is strong, the security performance is superior, operating personnel low in labor strength, operating efficiency height in the operation process.

The connecting shaft 11 is connected with the conical head 8 through the conical head cover 9.

The mounting frame assembly further comprises a guide rod 6, and the guide rod 6 penetrates through the conical head 8. Preferably, the number of the guide rods 6 is two, and the guide rods respectively penetrate through two ends of the conical head 8. In the embodiment, the guide rod 6 plays a role in guiding the conical head 8 to move up and down along the guide rod 6.

Wherein, still include first screw rod, second screw rod, first nut and second nut, the swivel mount is equipped with first through-hole and second through-hole, the mounting bracket body is equipped with third through-hole and fourth through-hole, first screw rod passes in proper order first through-hole with the third through-hole, first nut with first screw rod meshing, the second screw rod passes in proper order the second through-hole with the fourth through-hole, the second nut with the second screw rod meshing. In this embodiment, the screw and the through hole are inserted to limit the radial translation of the rotating frame, and the nut limits the axial translation of the rotating frame 5, so that the rotating frame 5 rotates along the screw. When the grounding wire clamp needs to be detached and debugged, the nut can be taken down, the rotating frame 5 is detached, and the grounding wire clamp is convenient to detach and install. As shown in fig. 8, it is a schematic structural diagram of the mounting bracket body 7.

The mounting rack further comprises an adjusting handle 13 and a grounding terminal 14, one end of the grounding terminal 14 is fixed on the mounting rack body 7 through the first screw and the first nut, and the other end of the grounding terminal 14 is fixed on the mounting rack body 7 through the adjusting handle 13. In this embodiment, the ground terminal 14 is fixed by the adjustment handle 13, the first screw and the first nut. Specifically, the adjustment handle 13 in this embodiment is a push-type handle, which facilitates the detachment and fixation of the ground terminal 14. The ground terminal 14 in the present embodiment may be made of copper.

The connecting device further comprises a connecting sleeve 12, the connecting shaft 11 is connected with the operating rod 17 through the connecting sleeve 12, and the connecting sleeve 12 in the embodiment is used for transmitting the torque of the operating rod 17 to the connecting shaft 11.

Wherein, the second end of splint body with the contact part of conical head 8 is for outwards extending, conical head 8 top is the point portion, and by conical head 8 bottom is to the top shrink gradually. The shape of the conical head 8 in this embodiment may be a cone, and the contact portion of the second holding device and the conical head 8 is also matched with the shape of the cone, so that when the conical head 8 presses the second holding device upwards, the second holding device can be gradually opened.

As shown in fig. 5, the connecting shaft 11 further comprises a thrust ball bearing 16, and the connecting shaft is connected with the conical head 8 through the thrust ball bearing 16. The thrust ball bearing 16 in this embodiment can bear the thrust load of the connecting shaft 11 and transmit the thrust load to the conical head 8.

The operating rod 17 is made of an insulating material, so that the danger of electric shock of an operator during operation is avoided.

The clamping plate body, the mounting frame body 7, the rotating frame 5, the conical head 8, the conical head cover 9 and the connecting sleeve 12 can be made of 7075 aluminum alloy materials; the guide rod 6, the threaded sleeve 10 and the connecting shaft 11 can be made of 304 stainless steel.

As shown in fig. 9-13, the damper plate 18 is annular, and a plurality of grooves 19 and a fifth through hole 20 are formed on the surface of the damper plate 18, the fifth through hole 20 penetrates through the damper plate 18 in the axial direction, the arrangement direction of the grooves 19 extends outwards from the center of the damper plate 18, and a friction body 21 is arranged in the grooves. Specifically, the outer diameter length of damping fin 18 is 10mm, and the internal diameter is 5mm, and thickness is 2mm, and the contained angle between the adjacent slot 19 equals, at 15 slots of damping fin 18 surface equipartition and 3 fifth through holes 20, the radius of this fifth through hole 20 is 1.5 mm. The body of the groove 19 is shaped as a circular arc with a radius of 0.5mm and the edges have rounded corners with a radius of 0.5 mm.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A damped ground clamp, comprising: the device comprises a clamping plate assembly, a rotating frame, a mounting frame assembly, a conical head assembly, an operating rod and a damping fin; wherein the content of the first and second substances,

2. The ground clamp of claim 1, further comprising a cone cover, wherein the connecting shaft is connected to the cone cover through the cone cover.

3. The ground clamp of claim 1, wherein the mounting bracket assembly further comprises a guide rod extending through the bit.

4. A ground clamp as claimed in claim 1, further comprising a first screw, a second screw, a first nut and a second nut, wherein the swivel mount is provided with a first through hole and a second through hole, the mount body is provided with a third through hole and a fourth through hole, the first screw passes through the first through hole and the third through hole in sequence, the first nut is engaged with the first screw, the second screw passes through the second through hole and the fourth through hole in sequence, and the second nut is engaged with the second screw.

5. The ground clamp of claim 4, further comprising an adjustment handle and a ground terminal, wherein one end of the ground terminal is fixed to the mounting bracket body by the first screw and the first nut, and the other end of the ground terminal is fixed to the mounting bracket body by the adjustment handle.

6. A ground clamp as claimed in any one of claims 1 to 5, further comprising a connecting sleeve through which the connecting shaft is connected to the operating rod.

7. A ground clamp as claimed in any one of claims 1 to 5, wherein the portion of the second end of the clamping plate body in contact with the conical head extends outwardly, the top of the conical head being pointed and tapering from the bottom of the conical head to the top.

8. A ground clamp as claimed in any one of claims 1 to 5, further comprising a thrust ball bearing, the connecting shaft being connected to the bit by the thrust ball bearing.

9. A ground clamp as claimed in any one of claims 1 to 5, wherein the operating rod is made of an insulating material.

10. A ground clamp as claimed in any one of claims 1 to 5, wherein the damping plate is annular, and a plurality of grooves and a fifth through hole are formed on the surface of the damping plate, the fifth through hole penetrates through the damping plate in the axial direction of the damping plate, the arrangement direction of the grooves extends outwards from the center of the damping plate, and a friction body is arranged in the grooves.