CN207705416U - Substation grounding bar - Google Patents
Substation grounding bar Download PDFInfo
- Publication number
- CN207705416U CN207705416U CN201721464740.6U CN201721464740U CN207705416U CN 207705416 U CN207705416 U CN 207705416U CN 201721464740 U CN201721464740 U CN 201721464740U CN 207705416 U CN207705416 U CN 207705416U
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- Prior art keywords
- chuck
- rod
- trigger
- handle
- base body
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- 238000003825 pressing Methods 0.000 claims description 23
- 230000005641 tunneling Effects 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 5
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The utility model discloses a kind of substation grounding bars, mainly it is made of clamping device, stretching mechanism and handle operation mechanism, clamping device tail portion connects stretching mechanism head, and through insulating bar connection handle operation mechanism head, handle operation mechanism tail portion connects Anti-slip handle for stretching mechanism tail portion.Convenience when ground connection operation on the one hand can be improved using the utility model, on the other hand can reduce maloperation, improve safety, while can carry out ground connection operation for the conducting wire of a variety of different angles and solution is provided.
Description
Technical Field
The utility model belongs to the transformer substation maintenance tool especially relates to a transformer substation grounding rod.
Background
In the construction process of the high-voltage power transmission line, for the sake of safety, the construction is carried out after the construction line is grounded by using a safety grounding rod, and the operation process is as follows: firstly, the electricity of the working line is stopped, then the electroscope is used for detecting whether electricity exists or not, and after the electricity does not exist, the ground wire is hung so as to ensure the safety of the personnel during construction. However, the conventional ground rod has a fixed hanging angle, which is very inconvenient when the ground rod is hung on a non-horizontal (such as a vertical wire) line. Meanwhile, the traditional ground rod crimping lead needs to rotate the rod body repeatedly, so that the loose strands of the ground copper wires are easily caused, the ground quality is affected, and potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a transformer substation grounding rod that safe, convenient and can realize the multi-angle and articulate.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the transformer substation grounding rod mainly comprises a clamping mechanism, an opening mechanism and a handle operating mechanism, wherein the tail part of the clamping mechanism is connected with the head part of the opening mechanism, the tail part of the opening mechanism is connected with the head part of the handle operating mechanism through an insulating rod, and the tail part of the handle operating mechanism is connected with an anti-skidding handle.
Fixture includes chuck, line ball piece and push rod, and the earth connection links to each other with the chuck, and the chuck passes through the screw bolt and is connected with the line ball piece, and the push rod alternates in the chuck, sets up the spring between push rod and the chuck, and spring one end withstands the push rod other end and withstands the chuck, and the push rod passes through the notch and is connected with the line ball piece.
The opening mechanism comprises an index plate, an insulating pull rope and an insulating rod, the index plate is connected with the chuck through a bolt, and the index plate is clamped at one end of the insulating rod; the insulating pull rope penetrates through the hollow insulating rod, the upper end of the insulating pull rope is connected with the lower end of the push rod, and the lower end of the insulating pull rope is connected with the ratchet wheel inner core.
The handle operating mechanism comprises an unlocking trigger, a trigger base body, a ratchet wheel inner core and a tunneling handle; the unlocking trigger is connected to the trigger base body through a bolt screw hole, a trigger reset small spring is connected in the unlocking trigger in a pressing mode, a threading hole is formed in the unlocking trigger, the protective shell covers the trigger base body, and the grab handle is connected with the trigger base body through pressing; the ratchet wheel inner core is inserted in the trigger base body; the tunneling handle is connected with the trigger base body through a bolt screw hole, and a small reed is arranged between the tunneling handle and the trigger base body.
The chuck is provided with a plurality of screw holes and is connected with the line pressing block through the screw holes and the round pins.
The circumference of the dividing plate is provided with a plurality of dividing holes, and the dividing plate is connected with the clamping head through two bolts.
The contact position of the chuck and the lead is provided with an arc groove; the contact position of the wire pressing block and the wire is also provided with an arc groove which is provided with a spiral concave stripe.
The ratchet inner core is connected with the lower end of the insulating pull rope through the end of the flexible insulating material ratchet.
The transformer substation grounding rod is mainly composed of a clamping mechanism, an opening mechanism and a handle operating mechanism, wherein the tail part of the clamping mechanism is connected with the head part of the opening mechanism, the tail part of the opening mechanism is connected with the head part of the handle operating mechanism through an insulating rod, and the tail part of the handle operating mechanism is connected with an anti-skidding handle. The grounding rod is provided with an index plate at the clamping mechanism part, and the clamping mechanism can be set to different angles according to different connection modes so as to adapt to wires with different angles; and operating device department is equipped with the unblock trigger, and the earth bar is in the precompression state at the first spring before the work, when the conductor that needs to press from both sides tight, no longer need many times rotatory earth bar or other complicated operations, only need to pull the unblock trigger alright release first spring, make the chuck press from both sides tight wire. When the ground rod needs to be loosened and detached after work is finished, the chuck needs to be expanded by operating the expanding mechanism, so that the ground rod is loosened and withdrawn. Therefore, use the utility model discloses a convenience when the ground connection operation can be improved to the one hand, and on the other hand can reduce the maloperation, improves the security, can carry out the ground connection operation for the wire of multiple different angles simultaneously and provide the solution.
Drawings
Fig. 1 is the utility model discloses the appearance structure schematic diagram of transformer substation's earthing rod.
Fig. 2 is the right side view of the utility model of fig. 1.
Fig. 3 is the sectional structure schematic diagram of the transformer substation grounding rod of the utility model shown in fig. 1.
Fig. 4 is a partially enlarged view of the portion I in fig. 3.
Fig. 5 is a partially enlarged view of the portion II in fig. 3.
Fig. 6 is a partially enlarged view of the portion III in fig. 2.
In the figure: 1 chuck, 2 line ball pieces, 3 push rods, 4 springs, 5 insulation pull ropes, 6 graduated disks, 7 insulating rods, 8 ratchet inner cores, 9 protective housings, 10 small reeds, 11 tunneling handles, 12 unlocking triggers, 13 trigger matrixes, 14 trigger reset small springs, 15 grab handles and 16 ground wires.
Detailed Description
A, basic structure
As shown in fig. 1 to 6, the utility model discloses a transformer substation grounding rod mainly comprises fixture, opening mechanism and handle operating device, and fixture end connection opening mechanism head, opening mechanism afterbody warp insulating rod connection handle operating device head, handle operating device end connection anti-skidding handle. Wherein,
fixture includes chuck 1, line ball 2 and push rod 3, and the earth connection links to each other with the chuck, and the chuck passes through the screw bolt and is connected with the line ball, and the push rod alternates in the chuck, sets up spring 4 between push rod and the chuck, and spring one end withstands the push rod other end and withstands the chuck, and the push rod passes through the notch and is connected with the line ball.
The opening mechanism comprises an index plate 6, an insulation pull rope 5 and an insulation rod 7, the index plate is connected with the chuck through a bolt, and the index plate is clamped at one end of the insulation rod; the insulating pull rope penetrates through the hollow insulating rod, the upper end of the insulating pull rope is connected with the lower end of the push rod, and the lower end of the insulating pull rope is connected with the ratchet wheel inner core 8.
The handle operating mechanism comprises an unlocking trigger 12, a trigger base body 13, a ratchet wheel inner core and a tunneling handle 11; the unlocking trigger is connected to the trigger base body through a bolt screw hole, a trigger reset small spring 14 is connected in the unlocking trigger in a pressing mode, a threading hole is formed in the unlocking trigger, the trigger base body is coated by the protective shell 9, and the grab handle 15 is connected with the trigger base body through compression; the ratchet wheel inner core is inserted in the trigger base body; the tunneling handle is connected with the trigger base body through a bolt screw hole, and a small reed 10 is arranged between the tunneling handle and the trigger base body.
Second, description of the function
(1) The insulation pull rope moves downwards to influence the downward movement of the push rod, the compression of the spring and the opening of the wire pressing block.
(2) The chuck is connected with the wire pressing block through the screw holes and the round pins, and the chuck is provided with a plurality of round screw holes which can be inserted into the round pins, so that the selective chuck can be connected with the wire pressing block in different modes, and finally, the result of adapting to different wires is achieved.
(3) The index plate is connected with the chuck through two bolts, and the chuck and the insulating rod can be connected at different angles by selecting different index holes (corresponding to 0 degree, 45 degrees and 90 degrees) on the index plate.
(4) The contact position of the chuck and the lead is provided with an arc groove; the contact position of the wire pressing block and the wire is also provided with an arc groove which is provided with a spiral concave line to increase the contact area. The friction force is increased by matching the two with the lead, so that the lead is prevented from sliding.
(5) The lower part of the grounding rod is provided with a handle operating mechanism, and a trigger base body is a base body of the mechanism and mainly plays a role in connecting all parts and a role in rotating shaft fulcrum.
(6) The inner ratchet wheel core can move up and down in the trigger base body, and the unlocking trigger can limit the upward movement unless the operator pulls the unlocking trigger.
(7) The unlocking trigger is internally provided with a small reset spring and a threading hole, and the operation of pulling the trigger can be replaced by pulling a thread after threading.
(8) A plurality of installation parts matched in shape are arranged in the protective shell, and two shell parts are spliced through an M5 screw.
(9) The opening mechanism is connected with the ratchet wheel inner core, and the ratchet wheel inner core is connected with the lower end of the insulating pull rope. The opening mechanism moves downwards, the inner core of the ratchet wheel moves downwards, the insulation pull rope moves downwards, the push rod moves downwards, and the wire pressing block opens
(10) The downward moving mode of the opening mechanism is two, one mode is direct downward pulling, and the other mode is one-grid tunneling through ratchet wheels arranged on a base body of the handle operation part, so that labor is saved.
Third, using method
When the device is ready to be used, the angle required by the site is achieved by adjusting the connection of the chuck and the index plate, then the tunneling handle is shaken up and down to ensure that the tunneling handle is matched with the ratchet wheel on the periphery of the trigger base body step by step, so that the inner core of the ratchet wheel moves down, the insulation pull rope moves down to drive the push rod to move down because the inner core of the ratchet wheel moves down, and the push rod drives the line pressing block to open. When the wire pressing block is opened to the maximum, the preparation work is used for finishing.
When the lead is grounded, the chuck is hung on the lead, the unlocking trigger is pulled down, the wire pressing block clamps the lead under the pushing of the spring, and at the moment, the lead, the chuck and the grounding wire 16 are communicated and grounded.
When the tunneling handle is dismounted, the tunneling handle is vertically shaken to enable the tunneling handle to be matched with the ratchet wheels on the periphery of the trigger base body step by step, so that the inner core of the ratchet wheel moves downwards, the insulating pull rope moves downwards to drive the push rod to move downwards, and the push rod drives the line pressing block to open. When the wire pressing block is expanded to be larger than the diameter of the wire, the wire is withdrawn between the chuck and the wire pressing block, and the detachment is completed at the moment.
Claims (8)
1. A transformer substation grounding rod is characterized by mainly comprising a clamping mechanism, an opening mechanism and a handle operating mechanism, wherein the tail of the clamping mechanism is connected with the head of the opening mechanism, the tail of the opening mechanism is connected with the head of the handle operating mechanism through an insulating rod, and the tail of the handle operating mechanism is connected with an anti-skidding handle.
2. The substation grounding rod of claim 1, wherein: the clamping mechanism comprises a chuck, a wire pressing block and a push rod, the ground wire is connected with the chuck, the chuck is connected with the wire pressing block through a screw bolt, the push rod is inserted into the chuck, a spring is arranged between the push rod and the chuck, one end of the spring abuts against the push rod, the other end of the spring abuts against the chuck, and the push rod is connected with the wire pressing block through a notch.
3. The substation grounding rod of claim 1, wherein: the opening mechanism comprises an index plate, an insulating pull rope and an insulating rod, the index plate is connected with the chuck through a bolt, and the index plate is clamped at one end of the insulating rod; the insulating pull rope penetrates through the hollow insulating rod, the upper end of the insulating pull rope is connected with the lower end of the push rod, and the lower end of the insulating pull rope is connected with the ratchet wheel inner core.
4. The substation grounding rod of claim 1, wherein: the handle operating mechanism comprises an unlocking trigger, a trigger base body, a ratchet wheel inner core and a tunneling handle; the unlocking trigger is connected to the trigger base body through a bolt screw hole, a trigger reset small spring is connected in the unlocking trigger in a pressing mode, a threading hole is formed in the unlocking trigger, the protective shell covers the trigger base body, and the grab handle is connected with the trigger base body through pressing; the ratchet wheel inner core is inserted into the trigger base body; the tunneling handle is connected with the trigger base body through a bolt screw hole, and a small reed is arranged between the tunneling handle and the trigger base body.
5. The substation grounding bar of claim 2, wherein: the chuck is provided with a plurality of screw holes and is connected with the wire pressing block through the screw holes and the round pins.
6. The substation grounding bar of claim 3, wherein: the circumference of the dividing plate is provided with a plurality of dividing holes, and the dividing plate is connected with the chuck through two bolts.
7. The substation grounding rod of claim 5, wherein: an arc groove is formed at the contact position of the chuck and the lead; and the contact position of the wire pressing block and the wire is also provided with an arc groove, and the arc groove is provided with a spiral concave stripe.
8. The substation grounding rod of claim 4, wherein: the ratchet inner core is connected with the lower end of the insulating pull rope through the ratchet end made of flexible insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721464740.6U CN207705416U (en) | 2017-11-06 | 2017-11-06 | Substation grounding bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721464740.6U CN207705416U (en) | 2017-11-06 | 2017-11-06 | Substation grounding bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207705416U true CN207705416U (en) | 2018-08-07 |
Family
ID=63022146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721464740.6U Active CN207705416U (en) | 2017-11-06 | 2017-11-06 | Substation grounding bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207705416U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473795A (en) * | 2018-11-12 | 2019-03-15 | 贵州电网有限责任公司 | A kind of novel gravity locking universal grounding rod of anti-dropout |
| CN110181549A (en) * | 2019-07-04 | 2019-08-30 | 广东电网有限责任公司 | A kind of adaptive manipulator formula grounding rod |
| CN110401047A (en) * | 2019-08-05 | 2019-11-01 | 广东电网有限责任公司 | A kind of rapid-assembling/disassembling earthing or grounding means |
-
2017
- 2017-11-06 CN CN201721464740.6U patent/CN207705416U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473795A (en) * | 2018-11-12 | 2019-03-15 | 贵州电网有限责任公司 | A kind of novel gravity locking universal grounding rod of anti-dropout |
| CN109473795B (en) * | 2018-11-12 | 2023-11-10 | 贵州电网有限责任公司 | Novel gravity locking anti-drop universal ground rod |
| CN110181549A (en) * | 2019-07-04 | 2019-08-30 | 广东电网有限责任公司 | A kind of adaptive manipulator formula grounding rod |
| CN110181549B (en) * | 2019-07-04 | 2024-04-26 | 广东电网有限责任公司 | Self-adaptive manipulator type grounding rod |
| CN110401047A (en) * | 2019-08-05 | 2019-11-01 | 广东电网有限责任公司 | A kind of rapid-assembling/disassembling earthing or grounding means |
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