CN214378924U - Throwing-pulling type grounding wire clamp - Google Patents
Throwing-pulling type grounding wire clamp Download PDFInfo
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- CN214378924U CN214378924U CN202120375008.1U CN202120375008U CN214378924U CN 214378924 U CN214378924 U CN 214378924U CN 202120375008 U CN202120375008 U CN 202120375008U CN 214378924 U CN214378924 U CN 214378924U
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Abstract
The invention relates to the technical field of electric power overhaul, in particular to a throwing-pulling type grounding wire clamp. The clamping device comprises a first clamping handle, a second clamping handle, a first rotating shaft, a tension spring, a movable clamping plate, a second rotating shaft, a supporting pin and a supporting clamping block; the first clamp handle and the second clamp handle are always opened to form a hook shape, so that the first clamp handle and the second clamp handle can be thrown onto a power transmission lead by using an insulating wire when in use, and after the power transmission lead is hooked, the first clamp handle and the second clamp handle are connected and disconnected with a high-voltage lead by lifting a flexible connecting lead, so that the operation is simple and convenient, and the labor intensity of maintainers is reduced.
Description
Technical Field
The invention relates to the technical field of electric power overhaul, in particular to a throwing-pulling type grounding wire clamp.
Background
Before the high-voltage line is overhauled, the grounding wire is one of necessary safety measures, and personal injury and equipment loss caused by sudden electrification of the high-voltage line in the overhauling process can be prevented. On the tower that sharp shaft tower and other high voltage conductor straight lines were arranged, can adopt the straight income formula to articulate, specifically do, make the opening that forms between two clamp splice of earth clamp aim at the high voltage conductor of top from the below, upwards stimulate the earth clamp until the high voltage conductor gets into the draw-in groove of fastener, the high voltage conductor touches the support component of fastener and makes it lose the supporting role, under elastomeric element's effect, high voltage conductor is cliied to two clamp splice of earth clamp to realize the installation of earth clamp.
The throwing-pulling type grounding wire clamp disclosed in patent CN208986216U is provided with a sliding guide device, when the grounding wire clamp is removed, due to the gravity action of the sliding block, the sliding block drives one end of the insulating rope to slide downwards to the lower end of the sliding groove, and by applying a horizontal pulling force and an oblique pulling force to the insulating rope in sequence, the throwing-pulling type grounding wire clamp is rotated by 90-180 degrees around the high-voltage wire as a circle center and then removed; in the prior art, the sliding groove needs to be kept smooth, and when the wire clamp is tightly clamped with a wire, the wire clamp is turned over difficultly
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a throwing-pulling type grounding wire clamp.
In order to solve the technical problems, the invention adopts the technical scheme that:
a throwing-pulling type grounding wire clamp comprises a first clamping handle, a second clamping handle, a first rotating shaft, a tension spring, a movable clamping plate, a second rotating shaft, a supporting pin and a supporting clamping block; the end parts of the first clamp handle and the second clamp handle are hinged through a first rotating shaft; the tension spring is arranged between the first clamping handle and the second clamping handle; the movable clamping plate is arranged on the first clamping handle, one end of the movable clamping plate is rotatably connected with the first clamping handle through a second rotating shaft, the other end of the movable clamping plate is connected with the supporting pin or the supporting fixture block in a clamping mode, and the movable clamping plate, the supporting pin and the end of the supporting fixture block are arranged in a step shape; the supporting pin and the supporting fixture block are arranged on the second clamping handle, the supporting fixture block is arranged below the supporting pin, and the shortest distance between the supporting fixture block and the second rotating shaft is smaller than the shortest distance between the supporting pin and the second rotating shaft.
The movable clamping plate and the second rotating shaft are arranged on the outer side wall of the first clamping handle; the supporting pin and the supporting fixture block are arranged on the outer side wall of the second clamp holder.
When the movable clamping plate is clamped with the supporting pin, the tension spring is in a stretching state and is smaller than the minimum stroke of the tension spring.
When the movable clamping plate is clamped with the supporting clamping block, the tension spring is in a stretching state and is smaller than the minimum stroke of the tension spring.
The movable clamping plate and the supporting clamping block are in a triangular prism structure, and the side face where the bevel edge is located is opposite to the supporting pin.
And a baffle is arranged below the supporting fixture block, and the distance between the baffle and the supporting fixture block is smaller than the width of the movable clamping plate.
The first clamp holder and the second clamp holder clamp the high-voltage wire and are arranged in an arc shape.
The movable clamping block is characterized in that the movable clamping plate is in a step shape and comprises a first step and a second step, an unfilled corner is arranged between the first step and the second step, and the unfilled corner is adapted to a side edge of the supporting clamping block; the first step height is greater than the support pin radius.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a throwing-pulling type grounding wire clamp, wherein a first clamping handle and a second clamping handle are always opened to form a hook shape, when the throwing-pulling type grounding wire clamp is used, an insulating wire can be thrown onto a power transmission lead, and after the power transmission lead is hooked, the connection and the disconnection with a high-voltage lead are realized by lifting a flexible connecting lead, the operation is simple and convenient, and the labor intensity of maintenance personnel is reduced.
Drawings
Fig. 1 is a schematic view of a drop-and-pull type ground clamp provided by the invention;
FIG. 2 is a schematic view of a throwing-pulling type ground clamp clamping a high-voltage wire according to the present invention;
fig. 3 is a drawing-throwing type ground clamp provided by the invention;
FIG. 4 is a schematic view of the stepped end of the movable chuck.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, a throwing-pulling type ground clamp comprises a first clamping handle 1, a second clamping handle 2, a first rotating shaft 3, a tension spring 4, a movable clamping plate 5, a second rotating shaft 6, a supporting pin 7 and a supporting clamping block 8; the end parts of the first clamp handle 1 and the second clamp handle 2 are hinged through a first rotating shaft 3; the tension spring 4 is arranged between the first clamp handle 1 and the second clamp handle 2; the movable clamping plate 5 is arranged on the first clamping handle 1, one end of the movable clamping plate 5 is rotatably connected with the first clamping handle 1 through a second rotating shaft 6, the other end of the movable clamping plate 5 is connected with the supporting pin 7 or the supporting fixture block 8 in a clamping mode, and the ends of the movable clamping plate 5, the supporting pin 7 and the supporting fixture block 8 are arranged in a step shape; the supporting pin 7 and the supporting fixture block 8 are arranged on the second clamping handle 2, the supporting fixture block 8 is arranged below the supporting pin 7, and the shortest distance between the supporting fixture block 8 and the second rotating shaft 6 is smaller than that between the supporting pin 7 and the second rotating shaft 6. The parts of the first clamp holder 1 and the second clamp holder 2, which clamp the high-voltage lead 10, are arc-shaped. The movable clamping plate 5 and the second rotating shaft 6 are arranged on the outer side wall of the first clamping handle 1; the supporting pin 7 and the supporting fixture block 8 are arranged on the outer side wall of the second clamp holder 2.
In this embodiment, when the movable clamping plate 5 is clamped with the supporting pin 7, the tension spring 4 is in a stretching state and the stroke is less than the maximum stroke. When the movable clamping plate 5 is clamped with the supporting clamping block 8, the tension spring 4 is in a stretching state, and the stroke is smaller than the maximum stroke.
In this embodiment, the movable clamping plate 5 and the supporting fixture block 8 are in a triangular prism structure, and the side surface where the inclined edge is located faces the supporting pin 7.
In this embodiment, a baffle 9 is arranged below the supporting fixture block 8, and the distance between the baffle 9 and the supporting fixture block 8 is smaller than the width of the movable clamping plate 5.
As shown in fig. 4, the movable clamping plate 5 comprises a first step 11 and a second step 12 in a step shape, an unfilled corner is arranged between the first step 11 and the second step 12, and the unfilled corner is adapted to a side edge of the supporting clamping block 8; the first step height is greater than the radius of the support pin 7.
When the throwing-pulling type grounding wire clamp is used, the wire clamp is pulled upwards through the insulating rope 13, when a high-voltage wire 10 enters a clamping space, the high-voltage wire 10 applies downward reverse thrust to the movable clamping plate 5, the movable clamping plate 5 rotates along the second rotating shaft 6 to leave the supporting pin 7, the support on the upper parts of the first clamping handle 1 and the second clamping handle 2 is released, the tension spring 4 contracts, and the first clamping handle 1 and the second clamping handle 2 clamp the high-voltage wire 10; after the overhaul is completed, when dismantling this throwing and pulling type earth clamp, continue to go up the anchor clamps through insulating rope 13, activity cardboard 5 rotates to sliding support on the fixture block 8, slide along supporting 8 hypotenuses place side of fixture block, first clamping holder 1 and second clamping holder 2 are strutted by activity cardboard 5 gradually, until supporting in the unfilled corner of 8 lateral edges joint of fixture block between first step 11 and second step 12, at this moment, relax insulating rope 13, the anchor clamps break away from with high-voltage conductor 10 to demolish this throwing and pulling type earth clamp.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (8)
1. The utility model provides a throw and draw formula earth clamp, includes first holder (1), second holder (2), its characterized in that: the device also comprises a first rotating shaft (3), a tension spring (4), a movable clamping plate (5), a second rotating shaft (6), a supporting pin (7) and a supporting clamping block (8); the end parts of the first clamp handle (1) and the second clamp handle (2) are hinged through a first rotating shaft (3); the tension spring (4) is arranged between the first clamp handle (1) and the second clamp handle (2); the movable clamping plate (5) is arranged on the first clamping handle (1), one end of the movable clamping plate (5) is rotatably connected with the first clamping handle (1) through a second rotating shaft (6), the other end of the movable clamping plate is connected with the supporting pin (7) or the supporting fixture block (8) in a clamping mode, and the ends of the movable clamping plate (5), the supporting pin (7) and the supporting fixture block (8) are arranged in a step shape; the supporting pin (7) and the supporting fixture block (8) are arranged on the second clamping handle (2), the supporting fixture block (8) is arranged below the supporting pin (7), and the shortest distance between the supporting fixture block (8) and the second rotating shaft (6) is smaller than the shortest distance between the supporting pin (7) and the second rotating shaft (6).
2. The throwing-pulling type ground clamp according to claim 1, characterized in that: the movable clamping plate (5) and the second rotating shaft (6) are arranged on the outer side wall of the first clamping handle (1); the supporting pin (7) and the supporting fixture block (8) are arranged on the outer side wall of the second clamp holder (2).
3. The throwing-pulling type ground clamp according to claim 1, characterized in that: when the movable clamping plate (5) is clamped with the supporting pin (7), the tension spring (4) is in a stretching state and is smaller than the minimum stroke.
4. The throwing-pulling type ground clamp according to claim 1, characterized in that: when the movable clamping plate (5) is clamped with the supporting clamping block (8), the tension spring (4) is in a stretching state and is smaller than the minimum stroke.
5. The throwing-pulling type ground clamp according to claim 1, characterized in that: the movable clamping plate (5) and the supporting clamping block (8) are in a triangular prism structure, and the side surface where the bevel edge is located is opposite to the supporting pin (7).
6. The throwing-pulling type ground clamp according to claim 1, characterized in that: a baffle (9) is arranged below the supporting clamping block (8), and the distance between the baffle (9) and the supporting clamping block (8) is smaller than the width of the movable clamping plate (5).
7. The throwing-pulling type ground clamp according to claim 1, characterized in that: the high-voltage wire clamping device is characterized in that the parts of the first clamping handle (1) and the second clamping handle (2) for clamping the high-voltage wire (10) are arc-shaped.
8. The throwing-pulling type ground clamp according to claim 1, characterized in that: the movable clamping plate (5) comprises a first step (11) and a second step (12) in a step shape, an unfilled corner is arranged between the first step (11) and the second step (12), and the unfilled corner is matched with the side edge of the supporting clamping block (8); the first step height is greater than the support pin (7) radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120375008.1U CN214378924U (en) | 2021-02-09 | 2021-02-09 | Throwing-pulling type grounding wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120375008.1U CN214378924U (en) | 2021-02-09 | 2021-02-09 | Throwing-pulling type grounding wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214378924U true CN214378924U (en) | 2021-10-08 |
Family
ID=77964997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120375008.1U Active CN214378924U (en) | 2021-02-09 | 2021-02-09 | Throwing-pulling type grounding wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214378924U (en) |
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2021
- 2021-02-09 CN CN202120375008.1U patent/CN214378924U/en active Active
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