CN217691683U

CN217691683U - Portable grounding pin

Info

Publication number: CN217691683U
Application number: CN202221348802.8U
Authority: CN
Inventors: 任周景; 吴盛; 陈锦辉; 刘伟; 李子鹏; 毛善威
Original assignee: Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Jingning Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Jingning Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-10-28
Anticipated expiration: 2032-05-26

Abstract

The utility model aims at providing a portable earthing needle, include: the device comprises a connector lug, two expansion type connecting pieces, a grounding main rod, a grounding needle head, a pulling head, an in-ground depth control block, a striking block and a pulling device, wherein the upper end of the grounding needle head is detachably connected with the lower end of the grounding main rod through one expansion type connecting piece; the connector lug is arranged on the upper part of the outer side wall of the main grounding rod. The portable grounding needle is not easy to smash and deflect when being knocked into the ground and pulled out, is not easy to cause personnel injury, has better safety, and does not need to be integrally replaced when the grounding needle is damaged.

Description

Portable grounding pin

Technical Field

The utility model belongs to the technical field of power equipment safety technique and specifically relates to a portable grounding pin.

Background

In order to maintain a good working state of the power transmission line, the power transmission line needs to be overhauled periodically or according to the state of equipment; the grounding pin is an important component of a necessary device for grounding a power failure line in maintenance work; the structure of the grounding pin can be known from the utility model of the Chinese patent application number 201821837584.8, which discloses a portable telescopic grounding pin; the grounding pin is knocked into the ground by an iron hammer, the grounding pin is difficult to vertically exert force upwards when pulled out, and the portable grounding pin is pulled out manually after the grounding pin is knocked and loosened by the iron hammer; traditional earthing rod exists the earthing rod and strikes partially easily when knocking into ground and pulling out, easily causes personnel's injured security relatively poor, damages the not enough that need the global change, consequently, design an earthing rod and strike into ground and pull out and be difficult for pounding partially, is difficult for causing personnel's injured security better, damages the portable earthing rod that does not need the global change, becomes the problem of treating urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming present portable earthing needle and exist the earthing needle and strike into the ground and easily pound partially when pulling out, easily cause personnel injured security relatively poor, damage the not enough that need the overall change, provide an earthing needle and strike into the ground and be difficult for pounding partially when pulling out, be difficult for causing personnel injured security better, damage the portable earthing needle that does not need the overall change.

The utility model discloses a concrete technical scheme is:

a portable grounding pin comprising: the device comprises a connector lug, two expansion type connecting pieces, a grounding main rod, a grounding needle head, a pulling head, an in-ground depth control block, a striking block and a pulling device, wherein the upper end of the grounding needle head is detachably connected with the lower end of the grounding main rod through one expansion type connecting piece; the connector lug is arranged on the upper part of the outer side wall of the main grounding rod.

Preferably, the expansion type connecting piece is an expansion bolt provided with a connecting bolt and a connecting nut; the upper end of the grounding needle head is provided with a lower mounting hole, and the lower end of the grounding main rod is provided with a lower accommodating hole; a lower guide positioning spigot is arranged between the upper end of the grounding needle head and the lower end of the grounding main rod; the expansion bolt is embedded in the lower mounting hole, the connecting nut is arranged in the lower accommodating hole and connected with the grounding main rod, and the connecting nut is in threaded connection with the upper end of the connecting bolt.

Preferably, the expansion type connecting piece is an expansion bolt provided with a connecting bolt and a connecting nut; the upper end of the grounding main rod is provided with an upper mounting hole, and the lower end of the pulling head is provided with an upper accommodating hole; an upper guiding and positioning spigot is arranged between the upper end of the grounding main rod and the lower end of the pulling head; the expansion bolt is embedded in the upper mounting hole, the connecting nut is arranged in the upper accommodating hole and connected with the pulling head, and the connecting nut is in threaded connection with the upper end of the connecting bolt.

Preferably, the ground depth control block includes: two half control blocks which are respectively arranged at two sides of the outer side wall of the grounding needle head and are respectively provided with a groove with a segmental cross section at the opposite ends, and four fixing bolts which are provided with fixing nuts; the screw rod of the fixing bolt penetrates through the two half control blocks and is in threaded connection with the fixing nut.

Preferably, the connector lug is provided with a graphene conducting strip.

Preferably, the pulling device comprises: the telescopic link, the support chassis of being connected with the bull stick lower extreme of telescopic link prizes laborsaving lever with the little pole upper end articulated of telescopic link, locates to prize laborsaving lever resistance arm one end and with the groove of choosing that both ends link up from top to bottom.

Preferably, the upper end of the pulling head is provided with an outer convex ring, and the lower end of the outer convex ring is provided with an arc-shaped surface; the diameter of the drawing head is matched with the width of the drawing groove.

Preferably, the grounding main rod and the grounding needle are made of No. 60 carbon steel.

Compared with the prior art, the beneficial effects of the utility model are that: the portable grounding needle adjusts and fixes the height of the ground penetration depth control block according to the depth requirement of the grounding needle inserted into the ground, the grounding needle enters the ground when the striking block downwards strikes the ground penetration depth control block, one end of a resistance arm of a prying labor-saving lever of the pulling device is abutted against the lower end of an outer convex ring and a pulling groove is clamped outside a pulling head, the pulling head is upwards applied with force to pull the grounding needle, the portable grounding needle can be disassembled into a grounding needle head, a grounding main rod and a pulling head, the upper end of the grounding needle head is detachably connected with the lower end of the grounding main rod through an expansion type connecting piece, the grounding needle is not prone to being knocked into the ground and pulled, the safety of personnel injury is not prone to being caused, the grounding needle head is not required to be integrally replaced when damaged, and different grounding needle heads can be conveniently replaced and used under different environments. The expansion type connecting piece is an expansion bolt provided with a connecting bolt and a connecting nut, the grounding needle head is connected with the grounding main rod and the pulling head is connected with the grounding main rod through the expansion bolt respectively, and the expansion type connecting piece is stable in connection, easy to assemble, disassemble and convenient to carry. The pulling device comprises a prying labor-saving lever hinged with the upper end of the small rod of the telescopic rod, and the grounding pin can be pulled out of soil and is labor-saving by prying the labor-saving lever. The connector lug is provided with a graphene conducting strip, so that the conductivity is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the connector lug 1, ground connection mobile jib 2, ground connection syringe needle 3, the pulling head 4, strike piece 5, connecting bolt 6, coupling nut 7, expansion bolts 8, lower mounting hole 9, lower holding hole 10, lower guiding orientation tang 11, go up mounting hole 12, go up holding hole 13, go up guiding orientation tang 14, recess 15, half control block 16, fixation nut 17, fixing bolt 18, graphite alkene conducting strip 19, telescopic link 20, support chassis 21, the laborsaving lever 22 of prying, pull out groove 23, evagination circle 24, arcwall 25.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in figure 1: a portable grounding pin comprising: the grounding device comprises a connector lug 1, two expansion type connecting pieces, a grounding main rod 2, a grounding needle 3, a pulling head 4, a ground depth control block, a striking block 5 and a pulling device, wherein the upper end of the grounding needle 3 is detachably connected with the lower end of the grounding main rod 2 through one expansion type connecting piece; the connector lug 1 is arranged on the upper part of the outer side wall of the grounding main rod 2.

The expansion type connecting piece is an expansion bolt 8 provided with a connecting bolt 6 and a connecting nut 7; the upper end of the grounding needle 3 is provided with a lower mounting hole 9, and the lower end of the grounding main rod 2 is provided with a lower accommodating hole 10; a lower guiding and positioning spigot 11 is arranged between the upper end of the grounding needle 3 and the lower end of the grounding main rod 2; the expansion bolt 8 is embedded in the lower mounting hole 9, the connecting nut 7 is arranged in the lower accommodating hole 10 and welded with the grounding main rod 2, and the connecting nut 7 is in threaded connection with the upper end of the connecting bolt 6.

The expansion type connecting piece is an expansion bolt 8 provided with a connecting bolt 6 and a connecting nut 7; the upper end of the grounding main rod 2 is provided with an upper mounting hole 12, and the lower end of the pulling head 4 is provided with an upper accommodating hole 13; an upper guiding and positioning spigot 14 is arranged between the upper end of the grounding main rod 2 and the lower end of the pulling head 4; the expansion bolt 8 is embedded in the upper mounting hole 12, the connecting nut 7 is arranged in the upper accommodating hole 13 and welded with the pulling head 4, and the connecting nut 7 is in threaded connection with the upper end of the connecting bolt 6.

The ground depth control block comprises: two half control blocks 16 which are respectively arranged at two sides of the outer side periphery of the grounding needle head 3, and opposite ends of each half control block are respectively provided with a groove 15 with a segmental cross section, and four fixing bolts 18 are provided with fixing nuts 17; the screw of the fixing bolt 18 passes through the two half control blocks 16 and is screwed with the fixing nut 17.

The connector lug 1 is provided with a graphene conducting strip 19.

The pulling device comprises: the telescopic link 20, with the support chassis 21 of the big pole lower extreme welded of telescopic link 20, prize laborsaving lever 22 through articulated axle articulated with the little pole upper end of telescopic link 20, locate and prize laborsaving lever 22's resistance arm one end and with the groove 23 of picking up that both ends link up from top to bottom.

The upper end of the pulling head 4 is provided with an outer convex ring 24, and the lower end of the outer convex ring 24 is provided with an arc-shaped surface 25; the diameter of the extraction head 4 is a clearance fit with the width of the extraction groove 23.

The grounding main rod 2 and the grounding needle 3 are made of No. 60 carbon steel.

In addition to the above embodiments, the technical features or technical data of the present invention can be selected and combined again within the scope disclosed in the claims and the specification of the present invention to constitute new embodiments, which can be realized by those skilled in the art without creative efforts, and therefore, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and within the protection scope of the present invention.

Claims

1. A portable grounding pin comprising: the connector lug, characterized by, portable earthing pin still include: the device comprises two expansion type connecting pieces, a grounding main rod, a grounding needle head, a pulling head, an in-ground depth control block, a striking block and a pulling device, wherein the upper end of the grounding main rod is detachably connected with the lower end of the grounding main rod through one expansion type connecting piece; the connector lug is arranged on the upper part of the outer side wall of the main grounding rod.

2. The portable grounding pin as claimed in claim 1, wherein the expansion-type connecting member is an expansion bolt provided with a connecting bolt and a connecting nut; the upper end of the grounding needle head is provided with a lower mounting hole, and the lower end of the grounding main rod is provided with a lower accommodating hole; a lower guide positioning spigot is arranged between the upper end of the grounding needle head and the lower end of the grounding main rod; the expansion bolt is embedded in the lower mounting hole, the connecting nut is arranged in the lower accommodating hole and connected with the grounding main rod, and the connecting nut is in threaded connection with the upper end of the connecting bolt.

3. The portable grounding pin as claimed in claim 1, wherein the expansion-type connecting member is an expansion bolt provided with a connecting bolt and a connecting nut; the upper end of the grounding main rod is provided with an upper mounting hole, and the lower end of the pulling head is provided with an upper accommodating hole; an upper guiding and positioning spigot is arranged between the upper end of the grounding main rod and the lower end of the pulling head; the expansion bolt is embedded in the upper mounting hole, the connecting nut is arranged in the upper accommodating hole and connected with the pulling head, and the connecting nut is in threaded connection with the upper end of the connecting bolt.

4. A portable grounding pin as claimed in claim 1, 2 or 3 in which said ground penetration depth control block comprises: two half control blocks which are respectively arranged on two sides of the outer side wall of the grounding needle head, and opposite ends of the two half control blocks are respectively provided with a groove with a segmental cross section, and four fixing bolts are provided with fixing nuts; and a screw rod of the fixing bolt penetrates through the two half control blocks and is in threaded connection with the fixing nut.

5. A portable grounding pin as claimed in claim 1, 2 or 3, wherein the connector lug is provided with a graphene conducting strip.

6. A portable grounding pin as claimed in claim 1, 2 or 3 in which the extraction means comprises: the telescopic link, the support chassis of being connected with the bull stick lower extreme of telescopic link prizes laborsaving lever with the little pole upper end articulated of telescopic link, locates to prize laborsaving lever resistance arm one end and with the groove of choosing that both ends link up from top to bottom.

7. The portable grounding pin as in claim 6, wherein the upper end of the pulling head is provided with an outer convex ring, and the lower end of the outer convex ring is provided with an arc-shaped surface; the diameter of the pulling head is matched with the width of the pulling groove.