CN107799926A - Transformer substation grounding wire assembling and disassembling device - Google Patents
Transformer substation grounding wire assembling and disassembling device Download PDFInfo
- Publication number
- CN107799926A CN107799926A CN201710817509.9A CN201710817509A CN107799926A CN 107799926 A CN107799926 A CN 107799926A CN 201710817509 A CN201710817509 A CN 201710817509A CN 107799926 A CN107799926 A CN 107799926A
- Authority
- CN
- China
- Prior art keywords
- base
- transformer substation
- lifting arm
- grounding wire
- disassembling device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manipulator (AREA)
Abstract
The invention provides a kind of transformer substation grounding wire assembling and disassembling device, belong to transformer station's aid field, including base, the base is provided with lifting arm and console, the lifting arm upper end is provided with manipulator, the lifting arm and the manipulator are provided with wheel, multiple support telescopic arms for being used to be supported in ground are provided with above the base with the console connection, the bottom of the base.Transformer substation grounding wire assembling and disassembling device conveniently moving provided by the invention, lifting arm on base can laterally, vertically move and can carry ground wire lifting, assemble and disassemble ground wire automatically by manipulator, make ground wire assembly and disassembly working stability, reliable, it is easy to operate, operating efficiency is improved simultaneously, is saved manpower, is reduced security risk.
Description
Technical field
The invention belongs to transformer station's aid field, is to be related to a kind of transformer substation grounding wire assembly and disassembly dress more specifically
Put.
Background technology
Extra-high tension unit assembly and disassembly ground wire is the work being commonly encountered in grid switching operation, due to substation equipment installation site
Height, ground wire hanging position is more more than 10 meters, and ground wire overall weight is big, makes assembly and disassembly ground wire equipment in work unstable
Fixed, the operating personnel's work for causing assembly and disassembly to be grounded is wasted time and energy, and is caused ground wire to come off once operational error be present, is gently then damaged
Bad facility, security risk that is heavy then causing short circuit.The mode of tradition assembly and disassembly ground wire is staff's palpus after repair apparatus has a power failure
It can be just operated after assembling and disassembling ground wire special-purpose vehicle arrival Deng Awaiting Overhaul, so cause the Job readiness time to grow, required personnel,
Equipment is more, it is therefore desirable to proposes that new grounding wire mounting dismantling device solves this problem.
The content of the invention
It is an object of the invention to provide a kind of transformer substation grounding wire assembling and disassembling device, to solve to fill present in prior art
Dismounting ground wire longevity of service, required personnel, equipment is more and the technical problem of security risk be present.
To achieve the above object, the technical solution adopted by the present invention is：Transformer substation grounding wire assembling and disassembling device, including bottom are provided
Seat, the base are provided with lifting arm and console, and the lifting arm upper end is provided with manipulator, the lifting arm and the machinery
Hand is provided with wheel, is provided with above the base multiple for branch with the console connection, the bottom of the base
Support the support telescopic arm in ground.
Further, the base is rectangular configuration, and the support telescopic arm is four, four support telescopic arms two
Two are symmetricly set in the corner of the base or four sides.
Further, the base upper surface is provided with the cross track and long rails of cross, the cross track
It is slidably connected on the long rails.
Further, the lifting arm bottom face is provided with T-slot, and the lifting arm passes through T-slot with the cross track
It is slidably connected.
Further, the base is provided with eccentric adjustment block.
Further, the lifting arm includes metallic rod and insulating bar, and the insulating bar is above the metallic rod, institute
Metallic rod is stated to be connected with base.
Further, the insulating bar is glass-reinforced plastic material.
Further, the lifting arm top is provided with hanging earthing conductor head, and the hanging earthing conductor head, which is provided with, catches inductor.
Further, the lifting arm upper end is provided with nearly non-electricity protector, the nearly non-electricity protector and the console circuit
Connection.
Further, the manipulator is provided with insulation arm and the video collector on insulation arm, the video acquisition
Device and the console connection, the insulation arm are connected with the lifting arm.
The beneficial effect of transformer substation grounding wire assembling and disassembling device provided by the invention is：Compared with prior art, it is of the invention
Transformer substation grounding wire assembling and disassembling device, conveniently moving, lifting arm can carry ground wire lifting, assemble and disassemble ground connection automatically by manipulator
Line, make ground wire assembly and disassembly working stability, reliable, easy to operate, manipulator, which is automatically brought into operation, improves operating efficiency, saves manpower,
Reduce security risk.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the overall structure diagram of transformer substation grounding wire assembling and disassembling device provided in an embodiment of the present invention；
Fig. 2 is the understructure front view of transformer substation grounding wire assembling and disassembling device provided in an embodiment of the present invention；
Fig. 3 is the understructure top view of transformer substation grounding wire assembling and disassembling device provided in an embodiment of the present invention；
Fig. 4 is the control system logical construction schematic diagram of transformer substation grounding wire assembling and disassembling device provided in an embodiment of the present invention.
Wherein, each reference in figure：
1- bases；11- wheels；12- eccentric adjustments；13- retractable support arms；14- cross tracks；15- long rails；
2- lifting arms；21- metallic rods；22- insulating bars；23- alarming in short range of electric power devices；24- mounts lead；25- catches inductor；3- machineries
Hand；31- insulation arms；32- video collectors；4- consoles；41- control modules；42- input modules；5- is grounded.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Also referring to Fig. 1 to Fig. 4, now transformer substation grounding wire assembling and disassembling device provided by the invention is illustrated.It is described
Transformer substation grounding wire assembling and disassembling device, including base 1, the base 1 are provided with lifting arm 2 and console 4, on the lifting arm 2
End is provided with manipulator 3, the lifting arm 2 and the manipulator 3 with the connection of console 4, the bottom of the base 4
Multiple support telescopic arms 13 for being used to be supported in ground are provided with provided with wheel 11, above the base 1.
Transformer substation grounding wire assembling and disassembling device provided by the invention, compared with prior art, lifting arm is controlled by console 4
2 and manipulator 3, Automated condtrol can be achieved, assembly and disassembly is grounded 5 efficiency and improve, save manpower, while base 1 is provided with wheel,
Conveniently moving, the support telescopic arm 13 can be made wheel 11 leave ground, be protected by Driven by Hydraulic Cylinder telescopic arm support base 1
Demonstrate,prove the stabilization of base 1, make guarantee connect wires 5 assembly and disassembly work safety carry out.
Further, Fig. 2, Fig. 3 are referred to, one kind as transformer substation grounding wire assembling and disassembling device provided by the invention is specific
Embodiment, the base 1 are rectangular configuration, and the support telescopic arm 13 is four, and four support telescopic arms 13 are two-by-two
The corner or four sides of the base 1 are symmetricly set in, for supporting the base 1, the retractable support arm 13 is at the bottom
Seat 1 is symmetrical arranged two-by-two, and the base 1 can be made more stable, is ensured that assembly and disassembly are connected wires and 5 is normally carried out.
Further, Fig. 2, Fig. 3 are referred to, one kind as transformer substation grounding wire assembling and disassembling device provided by the invention is specific
Embodiment, the upper surface of base 1 are provided with the cross track 14 and long rails 15 of cross, and the cross track 14 is slided
Dynamic to be connected on the long rails 15, the lifting arm 2 is slidably connected with the cross track 14, and the cross track 14 can
To be slided along the long rails 15, the lifting arm 2 can slide along the cross track 14, increase the lifting arm
Working range, assembly and disassembly are made to be grounded 5 operation readiness.
Further, Fig. 1 to Fig. 3 is referred to, one kind tool as transformer substation grounding wire assembling and disassembling device provided by the invention
Body embodiment, the bottom face of lifting arm 2 are provided with T-slot, and the lifting arm 2 is slided with the cross track 14 by T-slot
Dynamic connection, the cross track slides along the long rails and the lifting arm slides along the cross track and uses motor
Driving, can quickly be moved to required position, can realize the fine setting of operating position under conditions of the base 1 is not moved
It is whole, the work of assembly and disassembly ground wire 5 is more readily accomplished, meanwhile, screw thread can be opened up in the cross track 14 or the lifting arm 2
Through hole, when the lifting arm 2 is moved to required position, make to be tightened by bolts.
Further, Fig. 2, Fig. 3 are referred to, one kind as transformer substation grounding wire assembling and disassembling device provided by the invention is specific
Embodiment, the base 1 are provided with eccentric adjustment block 12, can pass through mobile eccentric tune when the lifting arm 2 moves
Monoblock 12, to ensure that the center of gravity of the base 1 is in base center all the time, ensure the stabilization of base 1.
Further, referring to Fig. 1, one kind as transformer substation grounding wire assembling and disassembling device provided by the invention is embodied
Mode, the lifting arm 2 include metallic rod 21 and insulating bar 22, and the insulating bar 22 is described located at the top of metallic rod 21
Insulating bar 22 can make electric leakage accident range shorter, prevent from leaking off to the manipulator 3 and the base 1.
Further, referring to Fig. 1, one kind as transformer substation grounding wire assembling and disassembling device provided by the invention is embodied
Mode, the insulating bar 22 are glass-reinforced plastic material.
Further, referring to Fig. 1, one kind as transformer substation grounding wire assembling and disassembling device provided by the invention is embodied
Mode, the top of lifting arm 2 are provided with hanging earthing conductor first 24, and the hanging earthing conductor first 24, which is provided with, catches inductor 25, the extension
Earth terminal 24 is used for accepting ground wire 5, the position for catching inductor 25 and being used for inductive grounding line 5, captures manipulator
Work is more accurate.
Further, Fig. 1 to Fig. 4 is referred to, one kind tool as transformer substation grounding wire assembling and disassembling device provided by the invention
Body embodiment, the upper end of lifting arm 2 are provided with nearly non-electricity protector 23, the nearly non-electricity protector 23 and the circuit of console 4
Connection, the alarming in short range of electric power device 23 has sound and light of alarm, when having measured electric leakage accident, can produce signal and feed back to described
The control module 41 of console 4, make the lifting arm 2 stop rising, ensure safe distance, the console 4 is provided with input mould
Block 42, operation can be manually completed, make transformer substation grounding wire assembling and disassembling device provided by the invention safe and reliable.
Further, Fig. 1 to Fig. 4 is referred to, one kind tool as transformer substation grounding wire assembling and disassembling device provided by the invention
Body embodiment, the manipulator 3 are provided with insulation arm 31 and the video collector 32 on insulation arm 31, the video acquisition
Device 32 and the connection of console 4, the insulation arm 31 are connected with the lifting arm 2, and the insulation arm 31 is used to support
Manipulator 3 and video collector 32, make manipulator and its safe operation, stably, the video collector 32 passes through high-definition shooting
The position of manipulator 3 and ground wire 5, and signal is fed back to the control module 41 of the console 4, then automatically control machinery
The adjustment position of hand 3 or the crawl of control machinery hand 3 ground wire 5.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. transformer substation grounding wire assembling and disassembling device, is characterised by：Including base, the base is provided with lifting arm and console, institute
State lifting arm upper end and be provided with manipulator, the lifting arm and the manipulator with the console connection, the base
Bottom be provided with wheel, multiple support telescopic arms for being used to be supported in ground are provided with above the base.
2. transformer substation grounding wire assembling and disassembling device as claimed in claim 1, it is characterised in that：The base is rectangular configuration, institute
Support telescopic arm is stated as four, four support telescopic arms are symmetricly set in the corner or four sides of the base two-by-two.
3. transformer substation grounding wire assembling and disassembling device as claimed in claim 1, it is characterised in that：The base upper surface is provided with cross
Intersecting cross track and long rails, the cross track are slidably connected on the long rails, the lifting arm and institute
Cross track is stated to be slidably connected.
4. transformer substation grounding wire assembling and disassembling device as claimed in claim 3, it is characterised in that：The lifting arm bottom face is provided with T
Type groove, the lifting arm are slidably connected with the cross track by T-slot.
5. transformer substation grounding wire assembling and disassembling device as claimed in claim 1, it is characterised in that：The base is provided with eccentric adjustment machine
Block.
6. transformer substation grounding wire assembling and disassembling device as claimed in claim 1, it is characterised in that：The lifting arm include metallic rod and
Insulating bar, above the metallic rod, the metallic rod is connected the insulating bar with base.
7. transformer substation grounding wire assembling and disassembling device as claimed in claim 6, it is characterised in that：The insulating bar is glass steel
Material.
8. transformer substation grounding wire assembling and disassembling device as claimed in claim 1, it is characterised in that：The lifting arm top is provided with mounting
Ground wire, the hanging earthing conductor head, which is provided with, catches inductor.
9. transformer substation grounding wire assembling and disassembling device as claimed in claim 1, it is characterised in that：The lifting arm upper end is provided with nearly electricity
Protector, the nearly non-electricity protector and the console connection.
10. transformer substation grounding wire assembling and disassembling device as claimed in claim 1, it is characterised in that：The manipulator is provided with insulation arm
With the video collector on insulation arm, the video collector and the console connection, the insulation arm and institute
State lifting arm connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817509.9A CN107799926A (en) | 2017-09-12 | 2017-09-12 | Transformer substation grounding wire assembling and disassembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817509.9A CN107799926A (en) | 2017-09-12 | 2017-09-12 | Transformer substation grounding wire assembling and disassembling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107799926A true CN107799926A (en) | 2018-03-13 |
Family
ID=61532314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710817509.9A Pending CN107799926A (en) | 2017-09-12 | 2017-09-12 | Transformer substation grounding wire assembling and disassembling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107799926A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832327A (en) * | 2018-04-28 | 2018-11-16 | 国家电网公司 | High-voltage conducting wires feud device |
| CN109286087A (en) * | 2018-09-18 | 2019-01-29 | 国家电网公司 | A kind of intelligent high-pressure ground line suspension arrangement |
| CN112864949A (en) * | 2021-01-07 | 2021-05-28 | 云南电网有限责任公司电力科学研究院 | Distribution line grounding wire assembling and disassembling device and control method thereof |
| CN114172075A (en) * | 2021-11-14 | 2022-03-11 | 中国长江三峡集团有限公司 | Visual ground wire high suspension device and operation method thereof |
| CN114188888A (en) * | 2021-12-28 | 2022-03-15 | 广东电网有限责任公司江门供电局 | Auxiliary trolley for grounding installation |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1336270A (en) * | 2001-09-20 | 2002-02-20 | 上海交通大学 | Robot for cleaning alive ultrahigh voltage equipment |
| CN201430347Y (en) * | 2009-06-23 | 2010-03-24 | 成都艾可信科技有限公司 | Optimized lightning rod capable of automatically elevating |
| CN201756916U (en) * | 2010-06-22 | 2011-03-09 | 中国矿业大学 | Fully mechanized working face movable drilling elevating platform |
| CN204640222U (en) * | 2015-05-15 | 2015-09-16 | 云南电网有限责任公司丽江供电局 | Transformer station's high-altitude grounding wire mounting dismantling device |
| CN205051219U (en) * | 2015-11-04 | 2016-02-24 | 国家电网公司 | Supplementary device of installing and removing of high pressure substation equipment ground connection |
| CN105490193A (en) * | 2016-01-06 | 2016-04-13 | 国网新疆电力公司检修公司 | High-altitude automatic ground wire suspension device for transformer substation |
| CN205159901U (en) * | 2015-10-29 | 2016-04-13 | 国网山东省电力公司莱芜供电公司 | Special dolly is installed and removed to high -order earth connection |
| CN105583802A (en) * | 2014-10-22 | 2016-05-18 | 云南电网公司楚雄供电局 | Vision-based high-altitude line hanging robot |
| CN105655848A (en) * | 2016-03-25 | 2016-06-08 | 镇江市丹徒区飞翔电子有限公司 | Feeding and taking device for insulators in coaxial cable connectors |
| CN205583181U (en) * | 2016-02-05 | 2016-09-14 | 武汉黉门电工科技有限公司 | Rope traction lift electric arc shifts that earthing for work is traditional thread binding to be put |
| CN206059704U (en) * | 2016-10-14 | 2017-03-29 | 国网浙江省电力公司岱山县供电公司 | A kind of buckle-type earth wire operation stick |
-
2017
- 2017-09-12 CN CN201710817509.9A patent/CN107799926A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1336270A (en) * | 2001-09-20 | 2002-02-20 | 上海交通大学 | Robot for cleaning alive ultrahigh voltage equipment |
| CN201430347Y (en) * | 2009-06-23 | 2010-03-24 | 成都艾可信科技有限公司 | Optimized lightning rod capable of automatically elevating |
| CN201756916U (en) * | 2010-06-22 | 2011-03-09 | 中国矿业大学 | Fully mechanized working face movable drilling elevating platform |
| CN105583802A (en) * | 2014-10-22 | 2016-05-18 | 云南电网公司楚雄供电局 | Vision-based high-altitude line hanging robot |
| CN204640222U (en) * | 2015-05-15 | 2015-09-16 | 云南电网有限责任公司丽江供电局 | Transformer station's high-altitude grounding wire mounting dismantling device |
| CN205159901U (en) * | 2015-10-29 | 2016-04-13 | 国网山东省电力公司莱芜供电公司 | Special dolly is installed and removed to high -order earth connection |
| CN205051219U (en) * | 2015-11-04 | 2016-02-24 | 国家电网公司 | Supplementary device of installing and removing of high pressure substation equipment ground connection |
| CN105490193A (en) * | 2016-01-06 | 2016-04-13 | 国网新疆电力公司检修公司 | High-altitude automatic ground wire suspension device for transformer substation |
| CN205583181U (en) * | 2016-02-05 | 2016-09-14 | 武汉黉门电工科技有限公司 | Rope traction lift electric arc shifts that earthing for work is traditional thread binding to be put |
| CN105655848A (en) * | 2016-03-25 | 2016-06-08 | 镇江市丹徒区飞翔电子有限公司 | Feeding and taking device for insulators in coaxial cable connectors |
| CN206059704U (en) * | 2016-10-14 | 2017-03-29 | 国网浙江省电力公司岱山县供电公司 | A kind of buckle-type earth wire operation stick |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832327A (en) * | 2018-04-28 | 2018-11-16 | 国家电网公司 | High-voltage conducting wires feud device |
| CN109286087A (en) * | 2018-09-18 | 2019-01-29 | 国家电网公司 | A kind of intelligent high-pressure ground line suspension arrangement |
| CN112864949A (en) * | 2021-01-07 | 2021-05-28 | 云南电网有限责任公司电力科学研究院 | Distribution line grounding wire assembling and disassembling device and control method thereof |
| CN114172075A (en) * | 2021-11-14 | 2022-03-11 | 中国长江三峡集团有限公司 | Visual ground wire high suspension device and operation method thereof |
| CN114172075B (en) * | 2021-11-14 | 2023-10-13 | 中国长江三峡集团有限公司 | Visual ground wire overhead suspension device and operation method thereof |
| CN114188888A (en) * | 2021-12-28 | 2022-03-15 | 广东电网有限责任公司江门供电局 | Auxiliary trolley for grounding installation |
| CN114188888B (en) * | 2021-12-28 | 2024-03-19 | 广东电网有限责任公司江门供电局 | Auxiliary trolley is installed in ground connection |
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Application publication date: 20180313 |