CN209981508U - Pressure spring type high-low voltage grounding rod - Google Patents
Pressure spring type high-low voltage grounding rod Download PDFInfo
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- CN209981508U CN209981508U CN201921175383.0U CN201921175383U CN209981508U CN 209981508 U CN209981508 U CN 209981508U CN 201921175383 U CN201921175383 U CN 201921175383U CN 209981508 U CN209981508 U CN 209981508U
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Abstract
The utility model discloses a compression spring type high-low voltage ground rod, which comprises a telescopic insulating rod, a movable clamping block, a clamp main body and a clamping part, wherein an arc-shaped clamping surface is symmetrically arranged between the movable clamping block and the clamp main body, the telescopic insulating rod is hollow and provided with a compression spring which is always in a compression state, a movable rod is sleeved in the compression spring, one end of the telescopic insulating rod is closed, the other end of the telescopic insulating rod is fixedly connected with the clamp main body, a through hole is formed in the clamp main body and is connected with the connecting portion of the telescopic insulating rod, one end of the movable rod penetrates through the through hole to be connected with the movable clamping block, the other end of the movable rod is fixedly connected with the end portion of the telescopic insulating rod, the movable rod can rotate relative to the movable clamping block, the clamping portion is fixed to the side face of the movable rod, a clamping screw matched with the clamping portion in use is fixed to the clamp main body, and a wiring portion is further arranged. The utility model discloses an at the inside compression spring that sets up of scalable insulator spindle, realized the quick double-layered dress of pressing from both sides of earth bar, improved work efficiency greatly, can also be used for the double-layered dress of pressing from both sides of female row in the control box simultaneously.
Description
Technical Field
The utility model belongs to the technical field of electric power overhauls and specifically relates to a pressure spring formula high, low pressure earth bar.
Background
When the power transmission line is in power failure maintenance, high-voltage grounding rods need to be arranged at two ends of the power transmission line in the maintenance area, danger caused by sudden power on of the power transmission line in the maintenance area is avoided, and safety of constructors is guaranteed. At present, the high-voltage grounding rod commonly used mainly has two kinds, and the difference is couple formula grounding rod and pressing mode grounding rod, but the ubiquitous high-voltage line presss from both sides tight in-process slow to take trouble hard problem when dismantling.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a pressure spring formula height, low pressure earth bar press from both sides dress speed piece, and is efficient, can also be used for female the pressing from both sides dress of arranging of control box simultaneously.
A compression spring type high-low voltage ground rod comprises a telescopic insulating rod, a movable clamping block, a clamp main body and a clamping part, arc-shaped clamping surfaces are symmetrically arranged between the movable clamping blocks and the clamp main body, the telescopic insulating rod is hollow and is provided with a compression spring, the compression spring is always in a compression state, a movable rod is sleeved in the compression spring, one end of the telescopic insulating rod is closed, the other end of the telescopic insulating rod is fixedly connected with the clamp main body, a through hole is arranged on the clamp main body and the connecting part of the telescopic insulating rod, one end of the movable rod passes through the through hole to be connected with the movable clamping block, the other end of the movable rod is fixedly connected with the inner end part of the telescopic insulating rod, the movable rod can rotate relative to the movable clamping block, the clamping part is fixed on the side face of the movable rod, a clamping screw matched with the clamping part for use is fixed on the clamp main body, and a wiring position is further arranged on the side face of the clamp main body.
Preferably, the clamping part is a square iron sheet, the clamping part is provided with a V-shaped clamping groove, corners of the V-shaped clamping groove are round corners, and the diameter of each round corner is larger than the diameter of the thread of the clamping screw and smaller than the diameter of the head of the clamping screw.
Preferably, the top of the clamp main body is provided with a busbar limiting nail, and the busbar limiting nail can move up and down relative to the clamp main body.
Preferably, the inner side surface of the clamp body is further provided with a guide convex strip, and the movable clamping block is provided with a guide groove matched with the guide convex strip for use.
Preferably, the wiring part comprises a ground wire nut and a ground wire clamping piece, the ground wire nut is in threaded connection with the clamp main body, and the ground wire clamping piece is sleeved on the ground wire nut and is located between the ground wire nut and the clamp main body.
Preferably, the clamp body is further provided with a hook ring.
Preferably, the telescopic insulating rod is of a two-section structure and comprises a first rod section and a second rod section, one end of the second rod section is fixedly connected with the clamp main body, and the other end of the second rod section is in sliding connection with the first rod section; and the first rod section is also provided with an insulating sleeve.
The beneficial effects of the utility model reside in that:
1. the installation is convenient, and the operation is simple.
2. The pressure spring type structure can realize quick clamping and is firm in clamping.
3. Can be simultaneously used for clamping the busbar in the control box, and has wide application range.
Drawings
Fig. 1 is a schematic view of the structure of the utility model when clamping.
Fig. 2 is a schematic structural view of the clamping part of the present invention when used in cooperation with a clamping screw.
Fig. 3 is a schematic view of the clamping part structure of the present invention.
Fig. 4 is a top view of the movable clamping block of the present invention.
The reference numbers are as follows: 1-telescopic insulating rod, 101-first rod section, 102-second rod section, 2-movable clamping block, 3-clamp main body, 4-clamping part, 5-arc clamping surface, 6-V-shaped clamping groove, 601-round corner, 7-movable rod, 8-clamping screw, 9-wiring part, 901-grounding wire nut, 902-grounding wire clamping piece, 10-busbar limiting nail, 11-guiding raised line, 12-guiding groove, 13-hook ring, 14-insulating sleeve and 15-limiting pin.
Detailed Description
The present embodiment is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, a compression spring type high and low voltage ground rod comprises a telescopic insulating rod 1, a movable clamping block 2, a clamp main body 3 and a clamping part 4, wherein an arc-shaped clamping surface 5 is symmetrically arranged between the movable clamping block 2 and the clamp main body 1, the telescopic insulating rod 1 is hollow and provided with a compression spring which is always in a compression state, a movable rod 7 is sleeved in the compression spring, one end of the telescopic insulating rod 1 is closed, the other end of the telescopic insulating rod 1 is fixedly connected with the clamp main body 3, a through hole is arranged on the clamp main body 3 at a connecting part with the telescopic insulating rod 1, one end of the movable rod 7 passes through the through hole to be connected with the movable clamping block 2, the other end of the movable rod is fixedly connected with the inner end of the telescopic insulating rod 1, the movable rod 7 can rotate relative to the movable clamping block 2, and the clamping part 4 is fixed on the side surface, a clamping screw 8 matched with the clamping part 4 for use is fixed on the clamp main body 3, and a wiring part 9 is further arranged on the side surface of the clamp main body 3.
In this embodiment, the clamping part 4 is a square iron sheet, the clamping part 4 is provided with a V-shaped clamping groove 6, the corner of the V-shaped clamping groove 6 is a round corner 601, and the diameter of the round corner 601 is larger than the diameter of the thread of the clamping screw 8 and smaller than the diameter of the head of the clamping screw 8.
In this embodiment, the top of the clamp main body 3 is provided with a bus bar limit nail 10, and the bus bar limit nail 10 can move up and down relative to the clamp main body 3. The bus bar limiting nail 10 extends out of the clamp main body 3, the part located in the clamp main body 3 can move up and down in a certain distance, and is blocked by the limiting pin 15, so that the function that the bus bar limiting nail 10 can move up and down is met, and meanwhile, the bus bar limiting nail 10 is prevented from falling out of the top of the clamp main body 3 and being separated from the clamp main body 3. The busbar spacing nail 10 can effectively fix the busbar when clamping the busbar, and meanwhile, the working performance of the arc-shaped clamping surface 5 between the movable clamping block and the clamp main body cannot be influenced due to the fact that the busbar can move up and down and the small-diameter high-voltage wire can not be clamped by the grounding rod.
In this embodiment, the inner side surface of the clamp body 3 is further provided with a guiding convex strip 11, and the movable clamping block 2 is provided with a guiding groove 12 used in cooperation with the guiding convex strip 11.
In the present embodiment, the wire connection 9 includes a ground wire nut 901 and a ground wire card 902, the ground wire nut 901 is screwed with the clamp body 3, and the ground wire card 902 is sleeved on the ground wire nut 901 and located between the ground wire nut 901 and the clamp body 3.
In this embodiment, the clamp main body 3 is further provided with a hook ring 13 for placing the ground rod when not in use, or for hanging the ground rod on a body of an operator, so that the ground rod is convenient to carry about.
In this embodiment, the retractable insulating rod 1 has a two-segment structure, and includes a first segment 101 and a second segment 102, where one end of the second segment 102 is fixedly connected to the clamp main body 3, and the other end is slidably connected to the first segment 101; the first rod segment 101 is further provided with an insulating sleeve 14.
The working principle of the utility model is as follows:
when the grounding rod is used for electric power maintenance, electricity needs to be tested firstly, and power failure is determined.
The ground wire is connected to the terminal 9 and is locked to the ground rod by rotating the ground wire nut 901. When clamping a high-voltage wire, two hands generally respectively grip the first rod section 101 and the second rod section 102 of the telescopic insulating rod 1, at the moment, the grounding rod is in a state as shown in fig. 1, the second rod section 102 is held immovably, the first rod section 101 is stretched, the movable pressing block 2 slides along the guide convex strip 11 until the clamping part 4 abuts against the clamp main body 3, at the moment, the compression spring is further compressed, the first rod section 10190 rotates anticlockwise at once, and the round corner 601 of the clamping part 4 is clamped with the clamping screw 8. The high-voltage wire is abutted against the arc-shaped clamping face 5 of the clamp main body 3, the second rod section 102 is held still, the first rod section 10190 degrees is rotated clockwise, under the action of the elastic force of the compression spring, the compression spring rapidly pushes the movable rod 7 and drives the movable clamping block 2 to move towards the arc-shaped clamping face 5 of the clamp main body 3, and the high-voltage wire is clamped between the movable clamping block 2 and the arc-shaped clamping face 5 of the clamp main body 3.
The clamping process of the busbar and the clamping process of the high-voltage line are always performed, the busbar is further positioned through the busbar limiting nail 10, and the clamping firmness is guaranteed.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a pressure spring formula high, low pressure earth bar which characterized in that: comprises a telescopic insulating rod, a movable clamping block, a clamp main body and a clamping part, wherein arc-shaped clamping surfaces are symmetrically arranged between the movable clamping block and the clamp main body, the telescopic insulating rod is hollow and is provided with a compression spring which is always in a compression state, a movable rod is sleeved in the compression spring, one end of the telescopic insulating rod is closed, the other end of the telescopic insulating rod is fixedly connected with the clamp main body, a through hole is arranged on the clamp main body and the connecting part of the telescopic insulating rod, one end of the movable rod passes through the through hole to be connected with the movable clamping block, the other end of the movable rod is fixedly connected with the inner end part of the telescopic insulating rod, the movable rod can rotate relative to the movable clamping block, the clamping part is fixed on the side face of the movable rod, a clamping screw matched with the clamping part for use is fixed on the clamp main body, and a wiring position is further arranged on the side face of the clamp main body.
2. The compression spring type high-voltage and low-voltage grounding rod as claimed in claim 1, wherein: the clamping part is a square iron sheet, a V-shaped clamping groove is formed in the clamping part, the corner of the V-shaped clamping groove is a round corner, and the diameter of the round corner is larger than the diameter of the thread of the clamping screw and smaller than the diameter of the head of the clamping screw.
3. The compression spring type high-voltage and low-voltage grounding rod as claimed in claim 1, wherein: the top of the clamp main body is provided with a busbar spacing nail which can move up and down relative to the clamp main body.
4. The compression spring type high-voltage and low-voltage grounding rod as claimed in claim 1, wherein: the inner side surface of the clamp main body is also provided with a guide convex strip, and the movable clamping block is provided with a guide groove matched with the guide convex strip for use.
5. The compression spring type high-voltage and low-voltage grounding rod as claimed in claim 1, wherein: the wiring part comprises a grounding wire nut and a grounding wire clamping piece, the grounding wire nut is in threaded connection with the clamp main body, and the grounding wire clamping piece is sleeved on the grounding wire nut and is located between the grounding wire nut and the clamp main body.
6. The compression spring type high-voltage and low-voltage grounding rod as claimed in claim 1, wherein: the clamp main body is also provided with a hook ring.
7. The compression spring type high-voltage and low-voltage grounding rod as claimed in claim 1, wherein: the telescopic insulating rod is of a two-section structure and comprises a first rod section and a second rod section, one end of the second rod section is fixedly connected with the clamp main body, and the other end of the second rod section is in sliding connection with the first rod section; and the first rod section is also provided with an insulating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175383.0U CN209981508U (en) | 2019-07-25 | 2019-07-25 | Pressure spring type high-low voltage grounding rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175383.0U CN209981508U (en) | 2019-07-25 | 2019-07-25 | Pressure spring type high-low voltage grounding rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209981508U true CN209981508U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921175383.0U Active CN209981508U (en) | 2019-07-25 | 2019-07-25 | Pressure spring type high-low voltage grounding rod |
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| CN (1) | CN209981508U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277667A (en) * | 2019-07-25 | 2019-09-24 | 襄阳先义电力科技有限公司 | A kind of compressed spring type high and low pressure grounding rod |
| CN112151982A (en) * | 2020-08-14 | 2020-12-29 | 河北省金具电力有限公司 | Clamping structure and clamping method of high-voltage grounding wire |
| CN112233350A (en) * | 2020-09-15 | 2021-01-15 | 国网浙江省电力有限公司丽水供电公司 | Acousto-optic alarm device for grounding wire in construction operation |
-
2019
- 2019-07-25 CN CN201921175383.0U patent/CN209981508U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277667A (en) * | 2019-07-25 | 2019-09-24 | 襄阳先义电力科技有限公司 | A kind of compressed spring type high and low pressure grounding rod |
| CN112151982A (en) * | 2020-08-14 | 2020-12-29 | 河北省金具电力有限公司 | Clamping structure and clamping method of high-voltage grounding wire |
| CN112233350A (en) * | 2020-09-15 | 2021-01-15 | 国网浙江省电力有限公司丽水供电公司 | Acousto-optic alarm device for grounding wire in construction operation |
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