CN220358355U - Grounding wire operating rod with universal adjustable rod head - Google Patents
Grounding wire operating rod with universal adjustable rod head Download PDFInfo
- Publication number
- CN220358355U CN220358355U CN202321775847.8U CN202321775847U CN220358355U CN 220358355 U CN220358355 U CN 220358355U CN 202321775847 U CN202321775847 U CN 202321775847U CN 220358355 U CN220358355 U CN 220358355U
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- support plate
- rod
- wire clamp
- flexible shaft
- wire
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- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a grounding wire operating rod with a universally adjustable rod head, which comprises: the insulation rod (1), the insulation rod (1) passes through the first connecting piece (12) to be connected with the flexible shaft (5), and the flexible shaft (5) passes through the second connecting piece (13) and the metal ring (9) to be connected with the bolt (7); the support plate assemblies (2) at two sides of the flexible shaft (5) are fixedly connected with the first connecting piece (12) and the second connecting piece (13) respectively; a wire clamp movable part (10), wherein the wire clamp movable part (10) is connected with the bolt (7) through a screw rod (8); the metal ring (9) is connected with the wire clamp fixing part (11). According to the utility model, the angle adjusting device is added at the joint of the grounding wire clamp and the insulating operation rod, so that the grounding wire can be installed under different wiring conditions of the circuit, and the adjustability of the grounding wire clamp in any direction is realized.
Description
Technical Field
The utility model relates to a grounding wire operating rod, in particular to a grounding wire operating rod with a universally adjustable rod head.
Background
When the 220kV power transmission line is constructed and overhauled and has power failure operation, power failure, electricity inspection and grounding are required according to the regulations of the line part of the national power grid company electric power safety working regulations, when a grounding wire is hung, the grounding wire is hung due to the influences of a tower type, the length of a cross arm, the length of a porcelain insulator string, a multi-layer loop, a same tower frame and the like, so that the grounding wire is extremely inconvenient to hang, a common grounding wire operating rod consists of an insulating rod and a rod head, the insulating rod and the rod head are directly fixed together, the insulating rod cannot be bent, the rod head cannot change direction, and the operation is extremely inconvenient when the environment for hanging the grounding wire is poor. Therefore, it is necessary to develop a ground wire operating rod with a universally adjustable head.
Disclosure of Invention
The utility model aims at the problems and overcomes the defects of the common ground wire operating rod, and provides the turning ground wire operating rod which enables operators to be positioned at different heights, different positions and different directions and is convenient for hanging the ground wire.
In order to achieve the above object, the present utility model provides a ground wire lever with a universally adjustable head, comprising: the insulating rod penetrates through the first connecting piece to be fixedly connected with the flexible shaft, and the flexible shaft sequentially penetrates through the second connecting piece, the metal ring and the L-shaped base of the wire clamp fixing part to be fixedly connected with the bolt; the other end of the bolt is internally and spirally sleeved with a screw rod; the screw fixes a movable part of the connecting wire clamp; the wire clamp fixing part is an L-shaped base integrally extended with a semi-annular chuck, and a chute for slidably connecting the movable part of the wire clamp is arranged on the edge of the L-shaped base connected with the semi-annular chuck;
the two sides of the first connecting piece are respectively provided with a first supporting plate and a third supporting plate, and the two sides of the second connecting piece are respectively provided with a second supporting plate and a fourth supporting plate; the first support plate, the second support plate, the third support plate and the fourth support plate together form a support plate assembly; one side of the support plate assembly is provided with a fixing nut used for connecting the first support plate and the second support plate in series, and the other side of the support plate assembly is provided with an adjustable nut used for connecting the third support plate and the fourth support plate in series.
In a preferred mode, the two side surfaces of the metal ring are respectively attached to one surface of the second connecting piece and the bottom surface of the L-shaped base; the metal ring is provided with a nut for adjusting the tightness degree of the metal ring on the flexible shaft; the wire clamp fixing part is rotated in different directions, and the screw rod fixedly connected with the wire clamp movable part can be driven to be screwed into or out of the bolt, so that the wire clamp movable part is pushed to slide on the sliding groove.
Preferably, the tightness of the metal ring is adjusted by turning the nut in different directions.
The insulating rod can drive the flexible shaft, the bolt and the screw rod to rotate, and the movable part of the wire clamp is pushed to rotate in the axial direction.
In the preferred mode, the tightness degree of the adjustable nut is adjusted, and one side, connected with the second connecting piece, of the supporting plate assembly is rotated to drive the flexible shaft to bend in an angle of 180 degrees from the axial direction to the front-rear vertical axial direction.
Preferably, the thread directions of the flexible shaft and the screw rod are consistent.
Preferably, the supporting plate assemblies are respectively located at two sides of the flexible shaft.
Preferably, a portion of the inner surface of the first support plate is connected to a portion of the outer surface of the second support plate.
Preferably, a part of the inner surface of the third support plate is connected to a part of the outer surface of the fourth support plate.
Preferably, the upper surface of the movable part of the wire clamp is a circular arc groove, and the outer surface of the movable part of the wire clamp is L-shaped.
The beneficial effects of the utility model are as follows: through increasing angle adjusting device at the junction of ground connection clamp and insulating action bars, can realize that the earth connection under the different wiring circumstances of circuit is installed, realize the adjustability of ground connection clamp arbitrary direction.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, 1 is an insulating rod; 2 is a supporting plate component; 3 is a fixed nut; 4 is an adjustable nut; 5 is a flexible shaft; 6 is a screw cap; 7 is a bolt; 8 is a screw; 9 is a metal ring; 10 is a movable part of the wire clip; 11 is a wire clip fixing portion; 12 is a first connector; 13 is a second connector; 14 is a first support plate; 15 is a second support plate; 16 is a third support plate; and 17 is a fourth support plate.
Detailed Description
According to the regulations of the power safety working regulations, when power equipment needs to be subjected to power outage maintenance, the safety of operators is ensured. Various measures for ensuring the safety of the operators are required to prevent the operators from getting electric shock. The temporary grounding wire is arranged on each possible incoming call side of the power failure maintenance equipment, so that the temporary grounding wire is an important measure for preventing operators from electric shock. The temporary grounding wire is arranged, so that the power failure maintenance equipment always keeps the ground potential, and the electric shock danger caused by residual charges and induced charges of the power failure maintenance equipment or operators when power transmission errors occur can be effectively prevented. However, the current general temporary grounding wire has various limitations and disadvantages due to structural reasons, and application researches related to the limitations and disadvantages are necessary.
At present, temporary grounding wires are various in variety and different in function. According to the different modes of fixing the wire clamps, the temporary grounding wires can be divided into spring compression type, screw compression type, tongue compression type, clamp compression type and the like. The spring compression type is compressed with the power failure overhaul equipment through the pressure of the embedded spring of the power connection clamp; the screw compression type clamping power failure overhaul equipment of the power connection clamp is realized through a screw with an adjustable stroke in the power connection clamp; the tongue-shaped compression type adopts a hook mode, a wire is pressed into the power connection clamp by pulling down the insulating operating rod, and the wire is clamped and fixed through tongue surfaces at two sides of the power connection clamp; the clamp-type compression type clamping opening is of a clamp type and is compressed by a spring. The above different temporary grounding wires have different characteristics and different uses.
In the aspect of the grounding wire clamp, the on-site investigation and analysis can find that if the integral structure between the wire clamp of the temporary grounding wire and the insulating rod is changed into a movable structure, the angle between the wire clamp and the insulating rod is changed according to the actual operation condition, when the grounding wire is installed on the line drop device, an operator can adjust to a preset angle in advance and then carry out hanging on the ground, so that the problems of inconvenient hanging, transverse hanging of the operating rod and the like caused by the operation angle difference are avoided. The specific design thinking of the movable structure is that an angle adjusting device is added at the joint of the grounding wire clamp and the insulating operating rod, and the grounding wire under different wiring conditions of the circuit can be installed through angle adjustment.
The difficulty in the design of the angle adjusting device is how to unify the insulating rod pressing structure of the temporary grounding wire and the new angle adjusting structure. As shown in fig. 1, the universal adjustable ground wire operating rod of the present utility model comprises: the insulation rod 1 passes through the first connecting piece 12 and is connected with the flexible shaft 5, and the flexible shaft 5 passes through the second connecting piece 13 and the metal ring 9 and is connected with the bolt 7; the support plate assemblies 2 at two sides of the flexible shaft 5 are fixedly connected with the first connecting piece 12 and the second connecting piece 13 respectively; a wire clamp movable part 10, the wire clamp movable part 10 is connected with the bolt 7 through a screw rod 8.
The metal ring 9 is connected with the wire clamp fixing part 11; the tightness of the nut 6 mounted on the metal ring 9 is adjusted, and the wire clamp fixing portion 11 and the wire clamp movable portion 10 are rotated within an angle of 360 ° in the radial direction by rotating the wire clamp fixing portion 11.
Rotating the insulating rod 1 can drive the flexible shaft 5, the bolt 7 and the screw rod 8 to rotate, so that the movable wire clamp part 10 is pushed to move in the axial direction.
The support plate assembly 2 at one side of the flexible shaft 5 is a first support plate 14 and a second support plate 15, and a fixing nut 3 is arranged at the connecting part of the first support plate 14 and the second support plate 15; the support plate assembly 2 at the other side of the flexible shaft 5 is a third support plate 16 and a fourth support plate 17, and an adjustable screw cap 4 is arranged at the connecting part of the third support plate 16 and the fourth support plate 17; the tightness degree of the adjustable nut 4 is adjusted, and the flexible shaft 5 is driven to bend in an angle of 180 degrees from the axial direction to the front-rear vertical axial direction by rotating the supporting plate assembly 2.
The first support plate 14 and the third support plate 16 are fixedly connected with the first connecting piece 12, and the second support plate 15 and the fourth support plate 17 are fixedly connected with the second connecting piece 13.
The axial and radial direction adjustment process of the ground wire clamp will be further described below.
The flexible shaft 5 is a steel wire flexible shaft, can be bent in the axial direction to the front-rear vertical axial range, drives the supporting plate assembly 2 to rotate, and further changes the angle of the club head wire clamp, and the adjustable range is 180 degrees. After the axial angle is adjusted, the adjustable screw cap 4 is screwed to lock the supporting plate assembly 2, so that the bending degree of the flexible shaft 5 and the axial angle of the club head are fixed. The use of the flexible shaft 5 ensures that the direction is adjustable and the fastening operation of the insulating rod to the wire clamp is not influenced.
On the other hand, the screw cap 6 is loosened, the metal ring 9 and the wire clamp fixing part 11 under the screw cap 6 can be loosened, so that the wire clamp can rotate in the radial direction by 360 degrees, and the purpose of universal adjustment of the ground wire rod head is achieved through angle adjustment in two dimensions. The structure and the working principle of the wire clamp are the same as those of a common wire clamp, the wire clamp comprises a wire clamp movable part 10 and a wire clamp fixed part 11, and the wire clamp movable part 10 is combined with the wire clamp fixed part 11 through a chute. The present utility model adds the screw 8 connected to the movable part 10 of the wire clamp, so that the screw 8 rotates with the wire clamp when the angle is adjusted in the radial direction, and the bolt 7 controlled by the insulating rod 1 is not moved. After the angle is adjusted, the nut 6 is screwed so that the ground clamp is kept at the target angle. The flexible shaft 5 and the bolt 7 are driven to rotate by rotating the insulating rod 1, so that the movable part 10 of the wire clamp is pushed, the wire clamp is clamped or loosened, and the purpose of hanging and detaching the ground wire is achieved. It should be noted that: after the screw cap 6 is screwed, the metal ring 9 and the wire clamp fixing part 11 connected with the metal ring are locked, the screw rod 8 and the wire clamp movable part 10 can axially move along with the pushing of the insulating rod 1, the flexible shaft 5 and the bolt 7 to tighten the wire clamp, but the angle of the wire clamp is locked to the target angle and cannot be changed.
The utility model discloses a universal adjustable grounding wire operating rod of a rod head, which comprises the following using procedures:
s1: the operator stands on the ground or the tower cross arm, and hangs the grounding end of the grounding wire at first.
S2: and combining the tower material and the wire positions, and calculating a target angle required to be adjusted by the grounding wire clamp.
S3: the adjustable screw cap 4 on the supporting plate assembly 2 is loosened, the grounding wire clamp or the supporting plate assembly 2 is pulled to achieve a required angle in the axial direction, and the adjustable screw cap 4 is screwed.
S4: the nut 6 is loosened, the wire clamp fixing portion 10 is rotated to a desired angle in the radial direction, and the nut 6 is screwed to maintain the ground wire rod head at the target angle.
S5: the wire end clamp for hanging the ground wire drives the bolt 7 by rotating the insulating rod 1, thereby pushing the movable part 10 of the clamp to fasten the ground wire clamp.
S6: after the operation is completed, the wire end clamp of the grounding wire is removed through the grounding wire operating rod.
S7: and after the wire end of the grounding wire is removed, removing the grounding end of the grounding wire.
S8: the adjustable screw cap 4 and the screw cap 6 are loosened, and the angle of the head of the grounding wire rod is reset.
S9: and (5) collecting the ground wire into a knapsack, and cleaning the operation site and safety tools.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should be covered by the protection scope of the present utility model by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (10)
1. A ground wire lever with a universally adjustable head, comprising: the insulation rod (1), the insulation rod (1) passes through the first connecting piece (12) to be fixedly connected with the flexible shaft (5), and the flexible shaft (5) sequentially passes through the second connecting piece (13), the metal ring (9) and the L-shaped base of the wire clamp fixing part (11) to be fixedly connected with the bolt (7);
the other end of the bolt (7) is internally and spirally sleeved with a screw rod (8); the screw (8) is used for fixing the movable part (10) of the connecting clamp; the wire clamp fixing part (11) is an L-shaped base integrally extended with a semi-annular chuck, and a chute for slidably connecting the wire clamp movable part (10) is arranged on the edge of the L-shaped base connected with the semi-annular chuck;
a first supporting plate (14) and a third supporting plate (16) are respectively arranged on two sides of the first connecting piece (12), and a second supporting plate (15) and a fourth supporting plate (17) are respectively arranged on two sides of the second connecting piece (13); the first support plate (14), the second support plate (15), the third support plate (16) and the fourth support plate (17) together form a support plate assembly (2);
one side of the support plate assembly (2) is provided with a fixing nut (3) used for connecting the first support plate (14) and the second support plate (15) in series, and the other side of the support plate assembly (2) is provided with an adjustable nut (4) used for connecting the third support plate (16) and the fourth support plate (17) in series.
2. The universal adjustable grounding wire operating rod of the rod head according to claim 1, wherein the two side surfaces of the metal ring (9) are respectively attached to one surface of the second connecting piece (13) and the bottom surface of the L-shaped base; the nut (6) for adjusting the tightness degree of the metal ring (9) on the flexible shaft (5) is arranged on the metal ring (9); the wire clamp fixing part (11) is rotated in different directions, the screw rod (8) fixedly connected with the wire clamp movable part (10) can be driven to be screwed into or out of the bolt (7), and accordingly the wire clamp movable part (10) is pushed to slide on the sliding groove.
3. The universally adjustable ground wire lever according to claim 2, characterized in that the degree of tightness of the metal ring (9) is adjusted by turning the nut (6) in different directions.
4. The universal adjustable grounding wire operating rod of the rod head according to claim 1, wherein the insulating rod (1) is rotated to drive the flexible shaft (5), the bolt (7) and the screw (8) to rotate, so that the movable wire clamp part (10) is pushed to rotate in the axial direction.
5. The universal adjustable grounding wire operating rod of the rod head according to claim 1, wherein the tightness degree of the adjustable nut (4) is adjusted, and one side of the supporting plate assembly (2) connected with the second connecting piece (13) is rotated to drive the flexible shaft (5) to bend in an angle of 180 degrees from the axial direction to the front-rear vertical axial direction.
6. The universal adjustable ground wire operating rod of the rod head according to claim 1, characterized in that the thread directions of the flexible shaft (5) and the screw (8) are consistent.
7. The universal adjustable ground wire operating rod of the rod head according to claim 1, characterized in that the supporting plate components (2) are respectively positioned at two sides of the flexible shaft (5).
8. The head gimbal adjustable ground wire lever according to claim 1, wherein a part of the inner surface of the first support plate (14) is connected to a part of the outer surface of the second support plate (15).
9. The head gimbal adjustable ground wire lever according to claim 1, wherein a part of the inner surface of the third support plate (16) is connected to a part of the outer surface of the fourth support plate (17).
10. The universal adjustable head ground wire lever according to claim 1, wherein the inner surface of the clip movable portion (10) is a circular arc-shaped groove and the outer surface is L-shaped.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222557849 | 2022-09-27 | ||
| CN2022225578491 | 2022-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220358355U true CN220358355U (en) | 2024-01-16 |
Family
ID=89482047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321775847.8U Active CN220358355U (en) | 2022-09-27 | 2023-07-07 | Grounding wire operating rod with universal adjustable rod head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220358355U (en) |
-
2023
- 2023-07-07 CN CN202321775847.8U patent/CN220358355U/en active Active
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