CN112332125A - Novel ground wire connecting device - Google Patents
Novel ground wire connecting device Download PDFInfo
- Publication number
- CN112332125A CN112332125A CN202011394256.7A CN202011394256A CN112332125A CN 112332125 A CN112332125 A CN 112332125A CN 202011394256 A CN202011394256 A CN 202011394256A CN 112332125 A CN112332125 A CN 112332125A
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- Prior art keywords
- hook
- clamping
- clamping hook
- shell
- rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000004904 shortening Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 13
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Landscapes
- Electric Cable Installation (AREA)
Abstract
The invention discloses a novel ground wire connecting device which comprises an insulating wiring rod, a control system and a ground wire clamp, wherein the upper end of the insulating wiring rod is connected with the right side of the ground wire clamp, the ground wire clamp comprises a clamping mechanism, a lead and a ground rod, the left side of the clamping mechanism is connected with the upper end of the lead, the lower end of the lead is connected with the upper end of the ground rod, the clamping mechanism comprises a shell, an upper clamping hook, a lower clamping hook, a torsional spring traction mechanism and a connecting seat, the shell is of a box-shaped structure, the middle of the shell is provided with an installation cavity, the right sides of the upper clamping hook and the lower clamping hook are rotatably connected to the left side of the shell through the torsional spring, one end of the torsional spring traction mechanism is respectively connected with the upper end of the upper clamping. The invention can facilitate the operation of maintainers and improve the working efficiency.
Description
Technical Field
The invention relates to a ground wire connecting device, in particular to a novel ground wire connecting device.
Background
The grounding wire is a wire directly connected with the earth and can also be called a safety return line, and high voltage is directly transferred to the earth in danger, so that the grounding wire is a life wire.
At present, when an operator carries out a high-voltage grounding wire, the operating rod and the grounding wire clamp are generally used, when the grounding operation is carried out, the grounding end is firstly connected, then the conductor end is connected, the conductor end is operated by screwing the insulating operating rod, and most of the grounding wire clamps adopt a spring hook type, so that the operation is difficult and the working efficiency is low.
When the earth connection was installed, alignment between wire end couple and the earthed pole, the angle between the wire couple of earthed clamp and the earthed pole can not be according to the handheld earthed pole of maintainer station position and the wire becomes angle and carries out corresponding regulation, increases the operation degree of difficulty, influences work efficiency.
Disclosure of Invention
The invention aims to provide a novel ground wire connecting device which can be operated by maintainers conveniently and improve the working efficiency.
The invention adopts the following technical scheme:
the utility model provides a novel ground wire is connected device which characterized in that: the grounding wire clamp comprises a clamping mechanism, a lead and a grounding rod, the left side of the clamping mechanism is connected with the upper end of the lead, the lower end of the lead is connected with the upper end of the grounding rod, the clamping mechanism comprises a shell, an upper clamping hook, a lower clamping hook, a torsional spring traction mechanism and a connecting seat, the shell is of a box-shaped structure, the middle part of the shell is provided with an installation cavity, the right sides of the upper clamping hook and the lower clamping hook are rotatably connected to the left side of the shell through the torsional spring, one end of the torsional spring traction mechanism is respectively connected with the upper end of the upper clamping hook and the lower end of the lower clamping hook, the other end of the torsional spring traction mechanism is arranged in the middle of the installation cavity, the rear side surface; the control system is used for controlling the action of the torsion spring traction mechanism, the torsion spring traction mechanism is used for moving the upper clamping hook and the lower clamping hook in opposite directions, and the wire and the grounding rod are used for connecting the clamping mechanism with the ground.
Torsional spring drive mechanism include traction motor, the rope sheave, haulage rope and fixed pulley, the traction motor trailing flank is connected with the installation cavity rear side wall, the traction motor front end is connected with the rope sheave rear end, the rope sheave front end rotates with the installation cavity front side wall to be connected, the rope sheave middle part is provided with two grooving, and be connected with the haulage rope in two grooving respectively, haulage rope one end in the rear side grooving is walked around and is rotated four fixed pulleys that set up the lateral wall behind the installation cavity and be connected with the upper end of last pothook, haulage rope in the rear side grooving inserts the grooving in the left side, haulage rope one end in the front side grooving is followed the rope sheave downside and is inserted the front side grooving, the other end is walked around to rotate and is set up the three fixed pulley of lateral wall before the installation cavity and is connected with the lower extreme of pothook down, traction motor be used.
The connecting seat and the right end of the shell are hinged through an articulated shaft, a steering mechanism is arranged on the rear side of the connecting seat and comprises a steering motor, a supporting plate, a first gear and a second gear, the front end of the supporting plate is connected with the lower end of the rear side face of the connecting seat, the steering motor is arranged on the upper surface of the supporting plate, the first gear is arranged at the front end of an output shaft of the steering motor, the second gear is connected with the rear end of the articulated shaft, and the first gear is meshed with the second gear.
The upper end of the upper clamping hook and the lower end of the lower clamping hook are both provided with rope rings, and the rope rings are used for connecting a traction rope.
The lower end of the shell is provided with a first through hole, the left side of the shell is provided with a second through hole, the position of the second through hole is matched with the position of the upper clamping hook or the lower clamping hook, and the conducting wire extends out of the left side of the shell from the first through hole and is connected with the upper clamping hook or the lower clamping hook.
The lower side of the first through hole and the left side of the second through hole are both provided with beam line protrusions.
The insulating wiring rod is of a two-section or multi-section telescopic structure.
The insulating wiring rod is internally provided with a hydraulic system, and the hydraulic system is used for extending or shortening the insulating wiring rod.
The lower part of the insulated wiring rod is provided with a wire bundling hook and a grounding rod clamping buckle, the wire bundling hook comprises an upper hook plate and a lower hook plate, the upper hook plate and the lower hook plate are symmetrically arranged on the left side surface of the lower part of the insulated wiring rod, the opening of the upper hook plate is upward, and the opening of the lower hook plate is downward; the grounding rod clamping buckle comprises an arc-shaped base, a clamping plate and a spring group, the rear side face of the arc-shaped base is connected with the outer surface of the lower portion of the insulating junction pole, the arc-shaped base is of an arc-shaped structure with an arc-shaped groove in the middle, one end of the spring group is connected with the right side wall of the arc-shaped groove, the other end of the spring group is connected with the right side face of the clamping plate, the initial state of the spring group is a natural state, and the shape and the position of the clamping plate are matched with the shape.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the torsion spring traction mechanism is arranged, and the control system controls the torsion spring traction mechanism to release, so that the upper clamping hook and the lower clamping hook are quickly clamped with the conductor end under the action of the torsion spring, the convenience of operation is increased, the working efficiency is improved, and the potential safety hazard is reduced; meanwhile, the invention improves the practicability and reduces the operation difficulty by arranging the transformation mechanism.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view at A;
fig. 3 is a schematic view of the connection of the traction motor and the sheave;
FIG. 4 is a schematic view of a steering mechanism;
fig. 5 is a top view of the grounding rod snap fastener.
Detailed Description
The invention is described in detail below with reference to the following figures and examples:
as shown in figures 1 to 5, the novel ground wire connecting device comprises an insulating wiring rod 1, a control system and a ground wire clamp 2, wherein the upper end of the insulating wiring rod 1 is connected with the right side of the ground wire clamp 2, the ground wire clamp 2 comprises a clamping mechanism, a lead 3 and a ground rod 4, the left side of the clamping mechanism is connected with the upper end of the lead 3, the lower end of the lead 3 is connected with the upper end of the ground rod 4, the clamping mechanism comprises a shell 5, an upper clamping hook 6, a lower clamping hook 7, a torsion spring 8, a torsion spring traction mechanism 9 and a connecting seat 10, the shell 5 is of a box-shaped structure with a mounting cavity 11 in the middle, the protection performance of the device is improved, the right sides of the upper clamping hook 6 and the lower clamping hook 7 are rotatably connected with the left side of the shell 5 through the torsion spring 8, one end of the torsion spring traction mechanism 9 is respectively, the rear side surface is connected with the rear side wall of the mounting cavity 11, and the left side surface of the connecting seat 10 is connected with the right side surface of the shell 5; the control system is used for controlling the action of the torsion spring traction mechanism 9, the torsion spring traction mechanism 9 is used for moving the upper hook 6 and the lower hook 7 in opposite directions, and the wire 3 and the grounding rod 4 are used for connecting the clamping mechanism with the ground. According to the invention, the torsion spring traction mechanism 9 is arranged, and the control system controls the torsion spring traction mechanism 9 to release, so that the upper clamping hook 6 and the lower clamping hook 7 are quickly clamped with the conductor end under the action of the torsion spring 8, the convenience of operation is increased, the working efficiency is improved, and the potential safety hazard is reduced.
In the invention, the torsional spring traction mechanism 9 comprises a traction motor 12, a rope pulley 13, a traction rope 14 and a fixed pulley 15, the rear side surface of the traction motor 12 is fixedly connected with the rear side wall of a mounting cavity 11, the front end of the traction motor 12 is detachably connected with the rear end of the rope pulley 13, the front end of the rope pulley 13 is rotatably connected with the front side wall of the mounting cavity 11, two rope grooves 16 are arranged in the middle of the rope pulley 13, the traction rope 14 is respectively connected with the two rope grooves 16, one end of the traction rope 14 in the rope groove 16 at the rear side is connected with the upper end of an upper hook 6 by bypassing four fixed pulleys 15 rotatably arranged on the rear side wall of the mounting cavity 11, the traction rope 14 in the rope groove 16 at the rear side is connected with the rope groove 16 at the rear side from the left side, one end of the traction rope 14 in the rope groove 16 at the front side is connected with the rope groove 16 at the front side from the lower side of the rope pulley 13, the other end is connected with the lower ends of three fixed pulleys 15 rotatably arranged, the traction motor 12 is used for driving the rope pulley 13 to rotate, the traction rope 14 is retracted or released through the rotation of the traction motor 12, and when the traction rope 14 is retracted by the rope pulley 13, the traction rope 14 is far away from the driving upper hook 6 and the driving lower hook 7; when the rope pulley 13 releases the traction rope 14, the upper hook 6 and the lower hook 7 are quickly closed through the torsion spring 8, the conductor end is quickly clamped, and the operation is simple and convenient; meanwhile, the upper end of the upper hook 6 and the lower end of the lower hook 7 are both provided with rope rings 22, so that the traction rope 14 can be conveniently connected with the upper hook 6 and the lower hook 7, and the practicability of the invention is improved.
In the embodiment, the connecting seat 10 is hinged to the right end of the shell 5 through the hinge shaft 17, the steering mechanism is arranged on the rear side of the connecting seat 10 and comprises the steering motor 18, the supporting plate 19, the first gear 20 and the second gear 21, the front end of the supporting plate 19 is fixedly connected with the lower end of the rear side face of the connecting seat 10, the steering motor 18 is detachably arranged on the upper surface of the supporting plate 19, the first gear 20 is arranged at the front end of the output shaft of the steering motor 18, the second gear 21 is connected with the rear end of the hinge shaft 17, and the first gear 20 is meshed with the second gear 21.
In the embodiment, the lower end of the shell 5 is provided with a first through hole, the left side of the shell 5 is provided with a second through hole, the position of the second through hole is matched with the position of the upper clamping hook 6 or the lower clamping hook 7, the wire 3 extends out of the shell 5 from the first through hole shell 5 and is connected with the upper clamping hook 6 or the lower clamping hook 7 from the left side of the shell 5, the shell 5 is utilized to limit the connection of the wire 3 with the upper clamping hook 6 and the lower clamping hook 7, the wire 3 is prevented from influencing the clamping of the upper clamping hook 6 and the lower clamping hook 7 on a conductor end, and the practicability of the invention is improved; meanwhile, the lower side of the first through hole and the left side of the second through hole are both provided with the wire harness protrusions 23, so that the restraint of the shell 5 on the lead 3 is further strengthened, the operation of a maintainer is facilitated, the first through hole and the second through hole are protected, the abrasion is reduced, and the service life of the cable connector is prolonged.
In order to further enhance the practicability of the invention, the insulating wiring rod 1 is of a two-section or multi-section telescopic structure, meanwhile, a hydraulic system is arranged in the insulating wiring rod 1, the insulating wiring rod 1 is extended or shortened by utilizing the hydraulic system, the workload of maintenance workers is reduced, and the operation is convenient. The lower part of the insulated wiring rod 1 is provided with a wire bundling hook 24 and a grounding rod clamping buckle 25, the wire bundling hook 24 comprises an upper hook plate and a lower hook plate, the upper hook plate and the lower hook plate are symmetrically arranged on the left side surface of the lower part of the insulated wiring rod 1, the opening of the upper hook plate is upward, the opening of the lower hook plate is downward, the wire 3 is conveniently wound when the insulated wiring rod is folded, the arrangement is convenient, and the occupied space of the insulated wiring rod is reduced; the grounding rod clamping buckle 25 comprises an arc-shaped base 26, a clamping plate 27 and a spring group 28, the rear side face of the arc-shaped base 26 is connected with the outer surface of the lower portion of the insulating wiring rod 1, the arc-shaped base 26 is of an arc-shaped structure with an arc-shaped groove in the middle, clamping of the grounding rod 4 is facilitated, one end of the spring group 28 is connected with the right side wall of the arc-shaped groove, the other end of the spring group 28 is connected with the right side face of the clamping plate 27, the initial state of the spring group 28 is a natural state, and the shape and the position of the clamping plate 27 are matched with the shape and the position of the right side wall of the arc-shaped groove.
When the invention is used, the grounding rod 4 is firstly connected with the ground, the traction motor 12 is controlled by the control system to drive the rope pulley 13 to retract the traction rope 14, so that the upper clamping hook 6 is separated from the left side of the lower clamping hook 7, the grounding wire clamp 2 is close to the conductor end through the insulating wiring rod 1, the shell 5 can be driven by rotating the insulating wiring rod 1 and/or controlling the steering motor 18 to rotate to adjust the angle of the upper clamping hook 6 and the lower clamping hook 7, so that the upper clamping hook 6 and the lower clamping hook 7 clamp the conductor end, after the right sides of the upper clamping hook 6 and the lower clamping hook 7 are close to the conductor end, the traction motor 12 is controlled by the control system to drive the rope pulley 13 to release the traction rope 14, the upper clamping hook 6 and the lower clamping hook 7 are rapidly closed through the torsion spring 8 on the right side, so as to clamp the conductor end, the conductor end is grounded, after the maintenance is finished, the, releasing the conductor end; the insulated wiring rod 1 is contracted through a hydraulic system, so that the occupied space of the insulated wiring rod is reduced.
The invention realizes the clamping or releasing of the grounding wire clamp 2 to the conductor end by arranging the torsion spring 8 and the torsion spring traction mechanism 9, the practicability of the invention is increased, meanwhile, the invention increases the multi-angle adjustment of the grounding wire clamp 2 by arranging the steering mechanism, and is convenient for the use of maintainers; the insulated wiring rod 1 is convenient for maintainers to store the insulated wiring rod through arranging a hydraulic system, a wire bundling hook 24 and a grounding rod clamping buckle 25.
The control system in the invention is an existing short-distance wireless control system on the market.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a novel ground wire is connected device which characterized in that: the grounding wire clamp comprises a clamping mechanism, a lead and a grounding rod, the left side of the clamping mechanism is connected with the upper end of the lead, the lower end of the lead is connected with the upper end of the grounding rod, the clamping mechanism comprises a shell, an upper clamping hook, a lower clamping hook, a torsional spring traction mechanism and a connecting seat, the shell is of a box-shaped structure, the middle part of the shell is provided with an installation cavity, the right sides of the upper clamping hook and the lower clamping hook are rotatably connected to the left side of the shell through the torsional spring, one end of the torsional spring traction mechanism is respectively connected with the upper end of the upper clamping hook and the lower end of the lower clamping hook, the other end of the torsional spring traction mechanism is arranged in the middle of the installation cavity, the rear side surface; the control system is used for controlling the action of the torsion spring traction mechanism, the torsion spring traction mechanism is used for moving the upper clamping hook and the lower clamping hook in opposite directions, and the wire and the grounding rod are used for connecting the clamping mechanism with the ground.
2. The novel ground wire connection of claim 1, wherein: torsional spring drive mechanism include traction motor, the rope sheave, haulage rope and fixed pulley, the traction motor trailing flank is connected with the installation cavity rear side wall, the traction motor front end is connected with the rope sheave rear end, the rope sheave front end rotates with the installation cavity front side wall to be connected, the rope sheave middle part is provided with two grooving, and be connected with the haulage rope in two grooving respectively, haulage rope one end in the rear side grooving is walked around and is rotated four fixed pulleys that set up the lateral wall behind the installation cavity and be connected with the upper end of last pothook, haulage rope in the rear side grooving inserts the grooving in the left side, haulage rope one end in the front side grooving is followed the rope sheave downside and is inserted the front side grooving, the other end is walked around to rotate and is set up the three fixed pulley of lateral wall before the installation cavity and is connected with the lower extreme of pothook down, traction motor be used.
3. The novel ground wire connection of claim 1, wherein: the connecting seat and the right end of the shell are hinged through an articulated shaft, a steering mechanism is arranged on the rear side of the connecting seat and comprises a steering motor, a supporting plate, a first gear and a second gear, the front end of the supporting plate is connected with the lower end of the rear side face of the connecting seat, the steering motor is arranged on the upper surface of the supporting plate, the first gear is arranged at the front end of an output shaft of the steering motor, the second gear is connected with the rear end of the articulated shaft, and the first gear is meshed with the second gear.
4. The novel ground wire connection of claim 2, wherein: the upper end of the upper clamping hook and the lower end of the lower clamping hook are both provided with rope rings, and the rope rings are used for connecting a traction rope.
5. The novel ground wire connection of claim 1, wherein: the lower end of the shell is provided with a first through hole, the left side of the shell is provided with a second through hole, the position of the second through hole is matched with the position of the upper clamping hook or the lower clamping hook, and the conducting wire extends out of the left side of the shell from the first through hole and is connected with the upper clamping hook or the lower clamping hook.
6. The novel ground wire connection of claim 5, wherein: the lower side of the first through hole and the left side of the second through hole are both provided with beam line protrusions.
7. The novel ground wire connection of claim 1, wherein: the insulating wiring rod is of a two-section or multi-section telescopic structure.
8. The novel ground wire connection of claim 7 wherein: the insulating wiring rod is internally provided with a hydraulic system, and the hydraulic system is used for extending or shortening the insulating wiring rod.
9. A novel ground connection according to claim 1, characterized in that: the lower part of the insulated wiring rod is provided with a wire bundling hook and a grounding rod clamping buckle, the wire bundling hook comprises an upper hook plate and a lower hook plate, the upper hook plate and the lower hook plate are symmetrically arranged on the left side surface of the lower part of the insulated wiring rod, the opening of the upper hook plate is upward, and the opening of the lower hook plate is downward; the grounding rod clamping buckle comprises an arc-shaped base, a clamping plate and a spring group, the rear side face of the arc-shaped base is connected with the outer surface of the lower portion of the insulating junction pole, the arc-shaped base is of an arc-shaped structure with an arc-shaped groove in the middle, one end of the spring group is connected with the right side wall of the arc-shaped groove, the other end of the spring group is connected with the right side face of the clamping plate, the initial state of the spring group is a natural state, and the shape and the position of the clamping plate are matched with the shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394256.7A CN112332125A (en) | 2020-12-02 | 2020-12-02 | Novel ground wire connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394256.7A CN112332125A (en) | 2020-12-02 | 2020-12-02 | Novel ground wire connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112332125A true CN112332125A (en) | 2021-02-05 |
Family
ID=74301762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011394256.7A Pending CN112332125A (en) | 2020-12-02 | 2020-12-02 | Novel ground wire connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112332125A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115864019A (en) * | 2023-03-01 | 2023-03-28 | 江天科技有限公司 | Graphene grounding rod |
-
2020
- 2020-12-02 CN CN202011394256.7A patent/CN112332125A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115864019A (en) * | 2023-03-01 | 2023-03-28 | 江天科技有限公司 | Graphene grounding rod |
| CN115864019B (en) * | 2023-03-01 | 2023-04-28 | 江天科技有限公司 | Graphene grounding rod |
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