CN218731777U - Grounding wire device for overhauling ultrahigh voltage transmission line - Google Patents
Grounding wire device for overhauling ultrahigh voltage transmission line Download PDFInfo
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- CN218731777U CN218731777U CN202223002554.4U CN202223002554U CN218731777U CN 218731777 U CN218731777 U CN 218731777U CN 202223002554 U CN202223002554 U CN 202223002554U CN 218731777 U CN218731777 U CN 218731777U
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- clamping
- main body
- connecting rod
- rod
- transmission line
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Abstract
The utility model discloses an earth connection device for overhauling an extra-high voltage transmission line, which comprises a connecting rod, a clamping assembly fixedly connected to the upper end of the connecting rod and a bottom plate detachably connected to the lower end of the connecting rod; the outer surface of the connecting rod is connected with an adjusting handle through a hinge seat; the clamping assembly comprises a clamping main body, a movable rod and a clamping rod which is integrally formed with the movable rod, the clamping main body is hook-shaped, and one end of the clamping main body is provided with an opening; the other end of the movable rod is sleeved in the clamping main body; the clamping rod is arranged in an arc shape and is arranged in the inner cavity of the clamping main body; the clamping device further comprises a pull rope, one end of the pull rope is connected with the movable rod, and the other end of the pull rope penetrates through the clamping main body and is connected with the adjusting handle. The utility model discloses it is strong to hang line stability, is difficult for causing the line of taking off, also can freely adjust maintenance point and ground height simultaneously, has the popularization prospect.
Description
Technical Field
The utility model relates to an earth connection technical field, concretely relates to superhigh pressure transmission line overhauls uses earth connection device.
Background
The working grounding wire is a safety appliance for short-circuit grounding of power failure equipment. The zero potential of the earth is connected with the electrical equipment through the working grounding wire, so that the connected electrical equipment is at the zero potential. When the power transmission line is in power failure and overhauled, a working grounding wire is hung at each end of a working section, which is one of technical measures for ensuring safe work on the power transmission line, and the main functions of the device are to introduce residual charge of a power failure line into the ground, eliminate induction of an adjacent live line, prevent sudden power transmission of the line and the like.
The stability of the related grounding equipment in the prior art after being hung up is poor, so that the disconnection is easily caused, and the free adjustment can not be carried out according to the overhaul point and the ground height; in addition, for a higher line, the grounding wire device with a fixed length may be hung on the line after installation, and charges cannot be introduced to the ground without being placed on the ground, so that potential safety hazards exist
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem who exists, the utility model provides a super high voltage transmission line overhauls uses earth connection device, the hanging wire stability is strong, is difficult for causing the line that takes off, also can freely adjust the inspection point simultaneously and height on the ground, has popularization prospect.
The utility model provides a technical scheme as follows:
a grounding wire device for overhauling an extra-high voltage transmission line comprises a connecting rod, a clamping assembly fixedly connected to the upper end of the connecting rod and a bottom plate detachably connected to the lower end of the connecting rod; the outer surface of the connecting rod is connected with an adjusting handle through a hinge seat; the clamping assembly comprises a clamping main body, a movable rod and a clamping rod integrally formed with the movable rod, the clamping main body is arranged in a hook shape, and one end of the clamping main body is provided with an opening; the other end of the movable rod is sleeved in the clamping main body; the clamping rod is arranged in an arc shape and is arranged in the inner cavity of the clamping main body; the clamping device is characterized by further comprising a pull rope, one end of the pull rope is connected with the movable rod, and the other end of the pull rope penetrates through the clamping main body and is connected with the adjusting handle.
Preferably, still including be curved guide arm, set up respectively in fixed plate and fly leaf on the outer disc of centre gripping main part, movable rod, the bar hole has been seted up to the outer disc of centre gripping main part, the fly leaf run through in the bar hole, the one end of guide arm with the fixed plate is connected, and its other end run through in the fly leaf setting, between fly leaf and the fixed plate the cover is equipped with first spring on the guide arm.
Preferably, the upper surface of the bottom plate is provided with a grounding column, the inner circular surface of the clamping main body is provided with a contact piece, the contact piece is connected with a lead, and the other end of the lead penetrates through the connecting rod and is connected with the grounding column.
Preferably, the connecting rod is of a hollow structure, two supports are fixedly arranged on the inner wall of the connecting rod, a fixed shaft is connected between the two supports, and a wire guide wheel is sleeved on the fixed shaft.
Preferably, a torsion spring is arranged between the fixed shaft and the wire guide wheel.
Preferably, the wire penetrates through the upper end of the connecting rod, is wound on the wire guide wheel, penetrates through the side wall of the connecting rod and is connected with the grounding column circuit.
Preferably, the adjusting handle is arranged in a Y shape and comprises a first short joint connected with the pull rope and a second short joint hinged with the hinged seat.
Preferably, the clamping body is provided with a rope passing hole matched with the pull rope.
Preferably, the upper surface of the bottom plate is also provided with a connecting column, and the outer surface of the upper end of the connecting column is provided with an external thread; the lower end of the connecting rod is provided with a bottom groove, and an internal thread matched with the external thread is arranged in the bottom groove.
Preferably, the bottom plate is fixed to the ground by anchor bolts.
The utility model has the advantages that:
1) The movable rod and the clamping rod of the clamping main body can effectively clamp and fix the cable, so that the relative stability between the device and the cable is ensured, and the conditions of wire falling and slipping are avoided;
2) The bottom plate can be detached from the lower part of the connecting rod according to actual requirements, so that the grounding length of the device is prolonged, and the device is suitable for cable maintenance work at different height positions;
3) The contact piece is arranged to achieve the purpose of conducting electricity, and the contact piece is connected with a lead to the ground to lead the residual electricity in the circuit to the ground, so that the grounding wire device is not electrified integrally, and the operation safety is ensured;
4) The torsion spring is arranged, so that the wire can be wound on the wire guide wheel, and the wire in the connecting rod is prevented from being placed in a mess to cause knotting;
5) The arranged foundation bolts meet the field requirements, and the bottom plate is arranged on the ground, so that the bottom plate can be conveniently and quickly mounted and dismounted;
6) Spliced pole on the bottom plate is connected with the connecting rod through external screw thread and internal thread when not using, is for conveniently taking in the whole of earth connection device, prevents the broken damage of the wire that exposes, and wire itself is very long moreover, further influences taking in of wire.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the clamping assembly of the present invention during the clamping process;
FIG. 3 is a schematic structural view of the clamping state of the clamping assembly of the present invention;
FIG. 4 is a schematic structural diagram of a connecting rod of the present invention;
fig. 5 is a schematic structural diagram of the middle bottom plate of the present invention.
In the figure: 1. a clamping assembly; 101. a clamping body; 102. rope passing holes; 103. a strip-shaped hole; 2. a connecting rod; 201. a hollow structure; 202. a bottom groove; 3. a base plate; 4. a movable rod; 401. a clamping rod; 5. a movable plate; 6. a fixing plate; 7. a guide bar; 8. a first spring; 9. pulling a rope; 10. a contact piece; 11. a wire; 12. adjusting the handle; 13. a hinged seat; 14. a wire guide wheel; 15. an internal thread; 16. connecting columns; 17. an external thread; 18. anchor bolts; 19. and a grounding column.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
It should be noted that, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships indicated on the basis of the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Examples
As shown in fig. 1 to 5, a grounding wire device for overhauling an extra-high voltage transmission line comprises a connecting rod 2, a clamping assembly 1 fixedly connected to the upper end of the connecting rod 2, and a bottom plate 3 detachably connected to the lower end of the connecting rod 2; the outer surface of the connecting rod 2 is connected with an adjusting handle 12 through a hinged seat 13; the clamping assembly 1 comprises a clamping main body 101, a movable rod 4 and a clamping rod 401 which is integrally formed with the movable rod 4, wherein the clamping main body 101 is hook-shaped, and one end of the clamping main body is provided with an opening; the other end of the movable rod 4 is sleeved inside the clamping main body 101; the clamping rod 401 is arc-shaped and is arranged in the inner cavity of the clamping main body 101; the clamping device further comprises a pull rope 9, one end of the pull rope 9 is connected with the movable rod 4, and the other end of the pull rope 9 penetrates through the clamping main body 101 and is connected with the adjusting handle 12.
As a further technical scheme of this embodiment, the clamping device further includes an arc-shaped guide rod 7, a fixing plate 6 and a movable plate 5, which are respectively disposed on the outer circumferential surfaces of the clamping main body 101 and the movable rod 4, a strip-shaped hole 103 is disposed on the outer circumferential surface of the clamping main body 101, the movable plate 5 penetrates through the strip-shaped hole 103, one end of the guide rod 7 is connected to the fixing plate 6, and the other end of the guide rod penetrates through the movable plate 5, and a first spring 8 is sleeved on the guide rod 7 between the movable plate 5 and the fixing plate 6.
As a further technical solution of this embodiment, a grounding column 19 is disposed on the upper surface of the bottom plate 3, a contact piece 10 is disposed on the inner circumferential surface of the clamping main body 101, a conducting wire 11 is connected to the contact piece 10, the other end of the conducting wire 11 penetrates through the connecting rod 2 and is connected to the grounding column 19, and the conducting wire 11 is disposed along the inner circumferential surface of the clamping main body 101 and penetrates through the inside of the connecting rod 2.
As a further technical solution of this embodiment, the connecting rod 2 is provided with a hollow structure 201, two supports are fixedly provided on an inner wall thereof, a fixed shaft is connected between the two supports, and the fixed shaft is sleeved with a wire guide wheel 14.
As a further technical solution of this embodiment, a torsion spring is disposed between the fixing shaft and the wire guiding wheel 14, so that the wire 11 can be wound around the wire guiding wheel 14, and a phenomenon that the wire 11 in the connecting rod 2 is placed disorderly and knotted is avoided.
As a further technical solution of this embodiment, the lead 11 penetrates through the upper end of the connecting rod 2, is wound around the lead wheel 14, penetrates through the side wall of the connecting rod 2, and is connected to the grounding rod 19.
As a further technical solution of this embodiment, the adjusting handle 12 is arranged in a Y shape, and includes a first short joint connected to the pulling rope 9 and a second short joint hinged to the hinge base 13.
As a further technical solution of this embodiment, the clamping main body 101 is provided with a rope passing hole 102 adapted to the pulling rope 9, so as to facilitate insertion of the pulling rope.
As a further technical solution of this embodiment, the upper surface of the bottom plate 3 is further provided with a connecting column 16, and the outer surface of the upper end of the connecting column 16 is provided with an external thread 17; the lower end of the connecting rod 2 is provided with a bottom groove 202, and an internal thread 15 matched with the external thread 17 is arranged in the bottom groove 202.
As a further technical solution of this embodiment, the bottom plate 3 is fixed on the ground through the anchor bolts 18, so as to meet the field requirements, and the bottom plate 3 is conveniently and quickly installed and detached.
The utility model discloses a theory of operation:
1) The adjusting handle 12 is manually controlled, the pull rope 9 pulls the movable rod 4 to move in the clamping body 101, then the clamping body 101 with the opening is hung on the cable, the first spring 8 is compressed in the process, the adjusting handle 12 is released after the hanging is finished, the movable rod 4 is reset under the action of the first spring 8 and is changed from the unclamped state shown in fig. 2 to the clamped state shown in fig. 3, and the cable is clamped at the moment.
2) Set up bottom plate 3 on ground according to the on-the-spot demand, if after installing centre gripping subassembly 11, there is the difference in height between bottom plate 3 and the bottom surface, through rotating bottom plate 3 this moment, with bottom plate 3 from connecting rod 22 lower extreme take off can, with bottom plate 3 through rag bolt 18 install subaerial can.
3) At above-mentioned in-process wire 11 is elongated, and the wire 11 of establishing expands on wire wheel 14, and torsion spring storage elasticity in the wire wheel 14 when overhauing the operation completion back, when pulling down bottom plate 3, under torsion spring's effect, can realize that wire 11 twines again on wire wheel 14, avoids 2 interior wire 11 of connecting rod to put mixed and disorderly and lead to knoing.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and all the modifications and improvements made by those skilled in the art without departing from the principles and spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.
Claims (10)
1. The grounding wire device for overhauling the extra-high voltage transmission line is characterized by comprising a connecting rod (2), a clamping assembly (1) fixedly connected to the upper end of the connecting rod (2) and a bottom plate (3) detachably connected to the lower end of the connecting rod (2);
the outer surface of the connecting rod (2) is connected with an adjusting handle (12) through a hinged seat (13);
the clamping assembly (1) comprises a clamping main body (101), a movable rod (4) and a clamping rod (401) which is integrally formed with the movable rod (4), the clamping main body (101) is hook-shaped, and an opening is formed in one end of the clamping main body; the other end of the movable rod (4) is sleeved in the clamping main body (101); the clamping rod (401) is arranged in an arc shape and is arranged in an inner cavity of the clamping main body (101);
the clamping device is characterized by further comprising a pull rope (9), wherein one end of the pull rope (9) is connected with the movable rod (4), and the other end of the pull rope (9) penetrates through the clamping main body (101) and is connected with the adjusting handle (12).
2. The grounding wire device for the extra-high voltage transmission line maintenance is characterized by further comprising arc-shaped guide rods (7), and a fixing plate (6) and a movable plate (5) which are arranged on the outer circular surfaces of the clamping main body (101) and the movable rod (4) respectively, wherein strip-shaped holes (103) are formed in the outer circular surface of the clamping main body (101), the movable plate (5) penetrates through the strip-shaped holes (103), one end of each guide rod (7) is connected with the corresponding fixing plate (6), the other end of each guide rod penetrates through the corresponding movable plate (5), and a first spring (8) is sleeved on each guide rod (7) between the corresponding movable plate (5) and the corresponding fixing plate (6).
3. The grounding wire device for the extra-high voltage transmission line maintenance according to claim 1, wherein a grounding column (19) is arranged on the upper surface of the bottom plate (3), a contact piece (10) is arranged on the inner circular surface of the clamping main body (101), a conducting wire (11) is connected to the contact piece (10), and the other end of the conducting wire (11) penetrates through the connecting rod (2) and is connected with the grounding column (19).
4. The grounding wire device for the extra-high voltage transmission line maintenance according to claim 3, wherein the connecting rod (2) is provided with a hollow structure (201), two supports are fixedly arranged on the inner wall of the connecting rod, a fixed shaft is connected between the two supports, and a wire guide wheel (14) is sleeved on the fixed shaft.
5. The grounding wire device for overhauling an extra-high voltage transmission line according to claim 4, wherein a torsion spring is arranged between the fixed shaft and the wire guide wheel (14).
6. The grounding wire device for overhauling the extra-high voltage transmission line according to claim 4, wherein the wire (11) penetrates through the upper end of the connecting rod (2), is wound on the wire guide wheel (14), penetrates through the side wall of the connecting rod (2) and is connected with the grounding column (19) in a line mode.
7. The grounding wire device for overhauling of the extra-high voltage transmission line according to claim 1, wherein the adjusting handle (12) is arranged in a Y shape and comprises a first short joint connected with the pulling rope (9) and a second short joint hinged with the hinged seat (13).
8. The grounding wire device for overhauling the extra-high voltage transmission line according to claim 1, wherein the clamping body (101) is provided with a rope passing hole (102) matched with the pulling rope (9).
9. The grounding wire device for overhauling the extra-high voltage transmission line according to claim 1, wherein a connecting column (16) is further arranged on the upper surface of the bottom plate (3), and an external thread (17) is arranged on the outer surface of the upper end of the connecting column (16); the lower end of the connecting rod (2) is provided with a bottom groove (202), and an internal thread (15) matched with the external thread (17) is arranged in the bottom groove (202).
10. The grounding wire device for overhauling an extra-high voltage transmission line according to claim 1, 5 or 6, wherein the bottom plate (3) is fixed on the ground through anchor bolts (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002554.4U CN218731777U (en) | 2022-11-11 | 2022-11-11 | Grounding wire device for overhauling ultrahigh voltage transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002554.4U CN218731777U (en) | 2022-11-11 | 2022-11-11 | Grounding wire device for overhauling ultrahigh voltage transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218731777U true CN218731777U (en) | 2023-03-24 |
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ID=85615632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223002554.4U Active CN218731777U (en) | 2022-11-11 | 2022-11-11 | Grounding wire device for overhauling ultrahigh voltage transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218731777U (en) |
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2022
- 2022-11-11 CN CN202223002554.4U patent/CN218731777U/en active Active
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