CN102354927A - Locking device at top of insulating bar - Google Patents

Locking device at top of insulating bar Download PDF

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Publication number
CN102354927A
CN102354927A CN2011102961423A CN201110296142A CN102354927A CN 102354927 A CN102354927 A CN 102354927A CN 2011102961423 A CN2011102961423 A CN 2011102961423A CN 201110296142 A CN201110296142 A CN 201110296142A CN 102354927 A CN102354927 A CN 102354927A
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China
Prior art keywords
litter
fixed
gear
bracing frame
sliding block
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CN2011102961423A
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Chinese (zh)
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CN102354927B (en
Inventor
丁心志
郑建云
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Yunnan Electric Power Test and Research Institute Group Co Ltd
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Yunnan Electric Power Test and Research Institute Group Co Ltd
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Priority to CN201110296142.3A priority Critical patent/CN102354927B/en
Publication of CN102354927A publication Critical patent/CN102354927A/en
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Publication of CN102354927B publication Critical patent/CN102354927B/en
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Abstract

The invention relates to a locking device at the top of an insulating bar, which mainly comprises a locking part and a moving mechanism. By controlling an upper sliding bar and a lower sliding bar to move freely, the goal of locking or releasing the top of the insulating bar is achieved, the locking device is simple and easy to use and the safety factor is high; and by improving the internal parts of an upper sliding block and a lower sliding block, the contact friction during fixation is increased, the upper sliding block and the lower sliding block become firm, the application prospect is better and the working efficiency is improved.

Description

The locking device at a kind of insulating bar top
Technical field
The present invention relates to locking device structure technical field to a kind of link rod in the power construction process or insulating bar top.
Background technology
In operation of power networks maintenance, the process of the test; Suspension single test lead is very frequent action, and the high-voltage terminal end of special 500kV lead or primary equipment is high especially, and the position height is afterwards because relatively more spacious around the transmission line; Can the single test line that hang up properly be blown away frequently; So also give in safe operation of electric network and the maintenance process and bring serious potential safety hazard safely, under this background, the present invention utilizes a kind of Machine Design cleverly; Can the high-voltage terminal end of insulating bar top and transmission line wire or primary equipment be locked, thereby ensure the safety that operation of power networks maintenance, process of the test once go between.
Summary of the invention
The present invention is directed to the not tight defective of insulating bar suspension single test line in the prior art, propose a kind of device of more effectively locking the insulating bar top, have application promise in clinical practice.
For addressing the above problem, the technical scheme that the present invention proposes is:
The locking device at a kind of insulating bar top the present invention includes litter, following litter and bracing frame; Bracing frame is provided with retaining mechanism, and between last litter, following litter and bracing frame, is provided with motion and fixed mechanism, wherein:
Retaining mechanism comprises top shoe, bracing frame, binding post, and wherein top shoe is fixed in the caulking groove that is provided with on the bracing frame, and binding post is fixed on the top shoe;
Motion comprises sliding block, connects cable wire, gear, lower link, fixed dam, and wherein, sliding block is positioned at the caulking groove on the bracing frame, is fixed with gear in connection cable wire bottom, and this gear and the toothrow that is arranged on the slideway in the litter mesh; On the core wheel of gear, be fixed with the connection cable wire; The other end of this connection cable wire is fixed on the bracing frame; Be provided with lower link below in last litter, being positioned at gear; Gear is fixedly connected with lower link, is fixed with fixed dam in the bottom of lower link, and fixed dam also is fixedly connected with last litter simultaneously;
Fixed mechanism comprises following litter and slideway, wherein plays litter to interlock and connects litter, and slideway is fixed in the following litter.
Top shoe of the present invention and sliding block are symmetrical structure, are provided with convex structure at upper and lower slide block middle part, and circular-arc bottom and self slider bottom distance are 3-6mm.
Top shoe of the present invention and sliding block are made up of the copper alloy or the fine copper stack of 5-20 sheet, and are being provided with the laciniation that is used to increase the frictional resistance after fixing on each sheet.
The present invention connects the distance of the length of cable wire less than top shoe and slideway lower end extreme position, and greater than the distance of top shoe and slideway upper end extreme position.
The motion major function is: when not needing insulating bar top when locking, because sliding block can freely slide up and down, and a lead or an equipment compressing that is locked or drive sliding block and move downward; Slide block is apart from increase up and down, thereby can unclamp this locking device easily, when lock at needs insulating bar top; Move on slideway through connecting the cable wire driven gear, motion locking lock portion, fixed mechanism was driven by the people and moved downward this moment; Bracing frame moves to the top of bracing frame through connection cable wire, gear driven sliding block; Near top shoe, and position motionless each other when maintaining the lock status by the frictional force of gear and slideway, slide block relies on inner laciniation also to lock simultaneously simultaneously up and down; Make it can not free movement, and then reach and make the insulating bar top can stablize, be fixed on reliably suspension place.
The fixed mechanism major function is to keep motionless in the motion process, so that keep motion when locking, can to remain unchanged by relative position.
The last litter of locking device can freely move up and down at following litter, and sliding block can move up and down through the draw-in groove that in bracing frame, is provided with, when needing locking; Move downward through driving down litter by the people, last litter moves upward relatively, because the inner fixed dam of last litter drives upper and lower strut and gear moves upward; Thereby make sliding block move to the position of the adjacent top shoe of bracing frame, in the time of need not locking, move upward through driving drop shot by the people; Overcome the frictional force of gear and slideway; Slide block is apart from after increasing about making simultaneously, and gear moves downward, and moves to bottom thereby drive sliding block.
The present invention compared with prior art, its advantage is: through control up and down litter move freely, reach the locking at insulating bar top or loosen; Simply, easy-to-use; Coefficient of safety is high, through in the slide block up and down some are handled the contact friction force when increasing fixedly; Make it firmly, have good application prospects.
Description of drawings
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the inside schematic diagram of embodiment;
Fig. 3 is an internal structure sketch map of going up litter among the embodiment.
Embodiment
The locking device at a kind of insulating bar top the present invention includes litter, following litter and bracing frame; Bracing frame is provided with retaining mechanism, and between last litter, following litter and bracing frame, is provided with motion and fixed mechanism, wherein:
Retaining mechanism comprises top shoe, bracing frame, binding post, and wherein top shoe is fixed in the caulking groove that is provided with on the bracing frame, and binding post is fixed on the top shoe;
Motion comprises sliding block, connects cable wire, gear, lower link, fixed dam, and wherein, sliding block is positioned at the caulking groove on the bracing frame, is fixed with gear in connection cable wire bottom, and this gear and the toothrow that is arranged on the slideway in the litter mesh; On the core wheel of gear, be fixed with the connection cable wire; The other end of this connection cable wire is fixed on the bracing frame; Be provided with lower link below in last litter, being positioned at gear; Gear is fixedly connected with lower link, is fixed with fixed dam in the bottom of lower link, and fixed dam also is fixedly connected with last litter simultaneously;
Fixed mechanism comprises following litter and slideway, wherein plays litter to interlock and connects litter, and slideway is fixed in the following litter.
Top shoe of the present invention and sliding block are symmetrical structure, are provided with convex structure at upper and lower slide block middle part, and circular-arc bottom and self slider bottom distance are 3-6mm.
Top shoe of the present invention and sliding block are made up of the copper alloy or the fine copper stack of 5-20 sheet, and are being provided with the laciniation that is used to increase the frictional resistance after fixing on each sheet.
The present invention connects the distance of the length of cable wire less than top shoe and slideway lower end extreme position, and greater than the distance of top shoe and slideway upper end extreme position.
Fig. 1 is the structural representation of embodiment, and Fig. 2 is the inside schematic diagram of embodiment, and Fig. 3 is an internal structure sketch map of going up litter 9 among the embodiment; In conjunction with locking method and the device of introducing its insulating bar below above 3 figure in detail, slideway 7 is fixed on down on the litter 10, and gear 6 is fixed on the litter 9 through lower link 11; Gear 6 is connected with top shoe 1 through connecting cable wire 8 simultaneously, and when this device was locked, top shoe 1 moved up; Move up through connecting cable wire 8 driven gears 6, move up with last litter 9 thereby drive sliding block 2, when this device loosens; Sliding block 2 moves down, and unclamps through locking device, and slide block is apart from increase up and down; When the equipment that takes off was received this device, the people manually made litter 9 move down, during locking through about slide block 2 many copper alloys, steel or fine copper be formed by stacking the frictional force of part increase contact-making surface with laciniation; Thereby anti-sliding stop; When loosening, need not lock, slide block 2 moves to apart from maximum up and down, thereby can move freely insulating bar or link rod.
Can know that by figure slideway lower end extreme position is slideway the inside near the position of fixed dam, also is the extreme lower position that gear moves down simultaneously; Slideway upper end extreme position is the slideway the inside near the position that connects cable wire, also is the extreme higher position that gear moves up simultaneously, and the retaining mechanism major function is: after the motion motion finishes, realize the locking to a lead of transmission line or a leading-out terminal of equipment; The motion major function is: when not needing insulating bar top when locking, because sliding block can freely slide up and down, and a lead or an equipment compressing that is locked or drive sliding block and move downward; Slide block is apart from increase up and down; Thereby can unclamp this locking device easily, when lock at needs insulating bar top, on slideway, move through connecting the cable wire driven gear; Motion locking lock portion; Fixed mechanism was driven by the people and moved downward this moment, and bracing frame is through connecting the top that cable wire, gear driven sliding block move to bracing frame, near top shoe; And position motionless each other when maintaining the lock status by the frictional force of gear and slideway; Slide block relies on inner laciniation also to lock simultaneously simultaneously up and down, makes it can not free movement, and then reaches and make the insulating bar top can stablize, be fixed on reliably suspension place.
The fixed mechanism major function is to keep motionless in the motion process, so that keep motion when locking, can to remain unchanged by relative position.
Last litter in the locking device is connected with following litter, and last litter can freely move up and down at following litter, and sliding block can move up and down through the draw-in groove that in bracing frame, is provided with; When needing locking, move downward through driving down litter by the people, last litter moves upward relatively; Because the inner fixed dam of last litter drives lower link and gear moves upward, thereby make sliding block move to the position of the adjacent top shoe of bracing frame, in the time of need not locking; Move upward through driving drop shot by the people, overcome the frictional force of gear and slideway, slide block is apart from after increasing about making simultaneously; Gear moves downward, and moves to bottom thereby drive sliding block.
Slideway is fixedly linked with following litter, and litter moves up and down in the drive thereby gear moves up and down in slideway.

Claims (4)

1. the locking device at an insulating bar top is characterized in that: comprise litter, following litter and bracing frame; Bracing frame is provided with retaining mechanism, and between last litter, following litter and bracing frame, is provided with motion and fixed mechanism, wherein:
Retaining mechanism comprises top shoe, bracing frame, binding post, and wherein top shoe is fixed in the caulking groove that is provided with on the bracing frame, and binding post is fixed on the top shoe; Motion comprises sliding block, connects cable wire, gear, lower link, fixed dam, and wherein, sliding block is positioned at the caulking groove on the bracing frame, is fixed with gear in connection cable wire bottom, and this gear and the toothrow that is arranged on the slideway in the litter mesh; On the core wheel of gear, be fixed with the connection cable wire; The other end of this connection cable wire is fixed on the bracing frame; Be provided with lower link below in last litter, being positioned at gear; Gear is fixedly connected with lower link, is fixed with fixed dam in the bottom of lower link, and fixed dam also is fixedly connected with last litter simultaneously; Fixed mechanism comprises following litter and slideway, wherein plays litter to interlock and connects litter, and slideway is fixed in the following litter.
2. the locking device at a kind of insulating bar according to claim 1 top, it is characterized in that: top shoe and sliding block are symmetrical structure, are provided with convex structure at upper and lower slide block middle part, and circular-arc bottom and self slider bottom distance are 3-6mm.
3. the locking device at a kind of insulating bar according to claim 1 and 2 top; It is characterized in that: top shoe and sliding block are made up of the copper alloy or the fine copper stack of 5-20 sheet, and are being provided with the laciniation that is used to increase the frictional resistance after fixing on each sheet.
4. the locking device at a kind of insulating bar according to claim 1 top is characterized in that: connect the distance of the length of cable wire less than top shoe and slideway lower end extreme position, and greater than the distance of extreme position on top shoe and the slideway.
CN201110296142.3A 2011-09-30 2011-09-30 Locking device at top of insulating bar Active CN102354927B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110296142.3A CN102354927B (en) 2011-09-30 2011-09-30 Locking device at top of insulating bar

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Application Number Priority Date Filing Date Title
CN201110296142.3A CN102354927B (en) 2011-09-30 2011-09-30 Locking device at top of insulating bar

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CN102354927A true CN102354927A (en) 2012-02-15
CN102354927B CN102354927B (en) 2014-04-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107530869A (en) * 2015-06-15 2018-01-02 株式会社永木精机 The latch-up structure of action bars

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201294190Y (en) * 2008-11-11 2009-08-19 白庆永 Link bar
JP2009232579A (en) * 2008-03-24 2009-10-08 Chugoku Electric Power Co Inc:The Indirect live-line tool
CN201611697U (en) * 2010-03-19 2010-10-20 智勇军 Electric earth wire operating rod
CN201918621U (en) * 2010-09-16 2011-08-03 北京市电力公司 Installation tool for hook type ground wire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009232579A (en) * 2008-03-24 2009-10-08 Chugoku Electric Power Co Inc:The Indirect live-line tool
CN201294190Y (en) * 2008-11-11 2009-08-19 白庆永 Link bar
CN201611697U (en) * 2010-03-19 2010-10-20 智勇军 Electric earth wire operating rod
CN201918621U (en) * 2010-09-16 2011-08-03 北京市电力公司 Installation tool for hook type ground wire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107530869A (en) * 2015-06-15 2018-01-02 株式会社永木精机 The latch-up structure of action bars
CN107530869B (en) * 2015-06-15 2019-03-01 株式会社永木精机 The locking structure of operating stick
TWI687284B (en) * 2015-06-15 2020-03-11 日商永木精機股份有限公司 Locking structure of operating lever

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