CN201946908U - Closed type fixture for replacing insulator in high-voltage transmission line - Google Patents

Closed type fixture for replacing insulator in high-voltage transmission line Download PDF

Info

Publication number
CN201946908U
CN201946908U CN2010206403427U CN201020640342U CN201946908U CN 201946908 U CN201946908 U CN 201946908U CN 2010206403427 U CN2010206403427 U CN 2010206403427U CN 201020640342 U CN201020640342 U CN 201020640342U CN 201946908 U CN201946908 U CN 201946908U
Authority
CN
China
Prior art keywords
hydraulic oil
strike plate
oil cylinder
fastener
caliper
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.)
Expired - Fee Related
Application number
CN2010206403427U
Other languages
Chinese (zh)
Inventor
李刚
甘文辉
Original Assignee
李刚
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 李刚 filed Critical 李刚
Priority to CN2010206403427U priority Critical patent/CN201946908U/en
Application granted granted Critical
Publication of CN201946908U publication Critical patent/CN201946908U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a closed type fixture for replacing an insulator in a high-voltage transmission line. The closed type fixture comprises a front clamping element (1), a rear clamping element (1), two pull rods (2) at two sides and locking mechanisms on the opening and closing mouth of the clamping elements; each pull rod (2) is provided with an automatic hydraulic oil cylinder (4); each pull rod is fixedly connected with a telescopic rod (3) of the hydraulic oil cylinder; and the other end of each pull rod and a base of the automatic hydraulic oil cylinder are respectively articulated with the tips of the front clamping element and the rear clamping element; a cylinder body of the hydraulic oil cylinder is provided with a signal receiving remote control device (5); and the locking mechanism on the opening and closing mouth of the clamping element is an elastic clamping device. When a clamp body is closed, the elastic clamping devices lock the clamp body automatically; when the clamping elements are removed, the clamping elements can be unlocked only by pulling pin bolts in the elastic clamping devices; the hydraulic oil cylinders receive the ground remote control command to automatically operate and drive the front clamping element and the rear clamping element to be tightened or loosened. The closed type fixture is convenient to operate, is fast to assemble and disassemble, can be operated by one person in the air and is safe and reliable.

Description

Insulator is changed and is used the enclosed jig in the ultra-high-tension power transmission line
Technical field
The utility model belongs to ultra-high-tension power transmission line hotline maintenance instrument, and what relate to is a kind of jig that ultra-high-tension power transmission line is changed insulator, particularly a kind of enclosed jig of being used for.
Background technology
Jig is a kind of a kind of specific purpose tool of changing insulator (porcelain vase) when being used for the power circuit hotline maintenance, the enclosed jig is exclusively used in the insulator string replacing except that several insulators of centre two of the head and the tail, it is made up of the pull bar on former and later two fasteners and both sides, the two ends of two pull bars link with two corresponding terminations of fastener respectively, form four-bar linkage structure.Change the intermediate insulation period of the day from 11 p.m. to 1 a.m, with former and later two fasteners of enclosed jig respectively clamp by being changed on two adjacent insulator steel caps of insulator, tighten up the both sides pull bar simultaneously, draw close in opposite directions to make to be changed when two fasteners and can implement to change after insulator loses tension force and the loosening gap of tie point generation at insulator.And the both sides pull bar of existing enclosed jig is a left and right sides screw structure, former and later two fasteners tighten up and loosen all by simultaneously manually rotation left and right sides leading screw realize, two people operation aloft simultaneously must be arranged during construction, so not only be inconvenient to operate, and closely so the operation existence is dangerous greatly under the situation of band high-tension electricity because of work high above the ground.
In addition, the fastener of enclosed jig is made up of fixed caliper and moving caliper two parts, and an end of moving caliper is hinged on the fixed caliper, and both hole ends have a retaining mechanism, after the fastener clamp are on insulator, hole must be locked.Retaining mechanism on the existing fastener then is a bolt member, the process that each locking and pine are unloaded fastener all need the workman directly to screw up with a wrench or loose bolts on nut, and this bolt position is located at again between two insulators, its space is narrow and small, operate very inconveniently, equally also have the defective of poor stability.
Summary of the invention
The purpose of this utility model is to overcome existing existing above-mentioned deficiency of enclosed jig and defective, proposes a kind of easy to operate, quick, safe and reliable enclosed jig.
The technical scheme that realizes above-mentioned purpose is: insulator is changed and is used the enclosed jig in a kind of ultra-high-tension power transmission line, comprise the retaining mechanism on two pull bars in former and later two fasteners and both sides and each the fastener hole, fastener comprises fixed caliper and the moving caliper that an end is hinged, it is characterized in that: an automatic hydraulic oil cylinder is installed on the described every pull bar, one end of pull bar is fixedlyed connected with the expansion link of automatic hydraulic oil cylinder, the other end of pull bar and a fastener termination are hinged, the base of automatic hydraulic oil cylinder is direct or hinged by connector and another fastener termination, a signal is installed on the cylinder body of described hydraulic jack receives remote control; Retaining mechanism on the described fastener hole is an elasticity gripping mechanism.
After this enclosed jig front and rear card spare being enclosed within on the insulator and two calipers of fastener is closed up, the elasticity gripping mechanism can be with the hole auto lock of two calipers, after this send the action command of hydraulic jack from ground, signal receive remote control just the primer fluid compressing cylinder move automatically, make the expansion link retraction or protract and drive former and later two fasteners and tighten up or loosen.Unload when tearing fastener open, only need the pin that suppresses in the pulling elasticity gripping mechanism to make the right angle breach on its release lock tongue piece get final product release.
The utility model structure is reasonable, easy to operate, loading and unloading are quick, and a high aerial people can operate, and safe and reliable.
Description of drawings
Fig. 1 is the unitary construction schematic diagram of an embodiment of the utility model.
Fig. 2 is the partial sectional view of middle fastener 1 embodiment illustrated in fig. 1.
Fig. 3 is the utility model user mode schematic diagram.
Among the figure: 1. fastener, 2. pull bar, 3. expansion link, 4. automatic hydraulic oil cylinder, 5. infrared signal receives remote control, 6. fixed caliper, 7. moving caliper, 8. handle, 9. stage clip, 10. press spring base, 11. suppress pin, 12. cam-shaped strike plates, 13. jointed shaft, 14. screws, 15. torsion springs, 16. backing pin, 17. fixing lock pins, 18. draw rings.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in figures 1 and 3, the insulator replacing is made up of identical fastener 1 and two pull bars 2 on both sides and the automatic hydraulic oil cylinder 4 of fixedlying connected with pull bar 2 one ends of former and later two structures with enclosed jig main body in the utility model ultra-high-tension power transmission line.Fixedly connected with the expansion link 3 of automatic hydraulic oil cylinder 4 in the rear end of pull bar 2, the termination of front end and preceding fastener is hinged; The base of automatic hydraulic oil cylinder 4 is hinged with the termination of back fastener; A signal is installed on the cylinder body of hydraulic jack 4 receives remote control 5.After jig is sleeved on the insulator string that is changed, ground is sent and is tightened up instruction, remote control 5 receives just primer fluid compressing cylinder 4 forwards compression after this instruction, making contracts behind the expansion link 3 drives former and later two fasteners 1 and draws close in opposite directions, after two fasteners are brought to certain distance, insulator loses tension force and produces loosening gap therebetween, can implement the replacing of insulator under this state; After change finishing, ground is sent and is loosened instruction, and remote control 5 receives after this instruction just primer fluid compressing cylinder 4 reverse compression, expansion link 3 is protracted remove the pulling force to fastener, and after the insulator string after changing was in tensioning state, the announcement that more changes jobs was promptly finished.
As shown in Figure 2, fastener 1 is made up of fixed caliper 6 and moving caliper 7, both semicircle jaw correspondences, and an end is hinged, and the other end is folding end and flexible gripping mechanism.Elasticity gripping mechanism in the present embodiment is by being positioned at cam-shaped strike plate 12, the torsion spring 15 on the fixed caliper 6 and suppressing pin 11 and be positioned at moving caliper 7 free-ended fixedly lock pins 17 and form.Protruding one side of something of strike plate 12 has an arc-shaped notch and a right angle breach, and there is the backing pin 16 of a projection in the front of strike plate 12 near position, semicircle edge.The recess and the breach of cam-shaped strike plate 12 are inside, and vertically also off-centre is hinged on the fixed caliper 6, and jointed shaft 13 is away from the summit of cam, and an end of torsion spring 15 is fixed on by screw 14 on the fixed caliper 6 on strike plate 12 next doors, and the other end is withheld on backing pin 16; Suppressing pin 11 is installed in corresponding on the fixed caliper 6 below the strike plate 12 right angle breach by press spring base 10; Moving caliper 7 free-ended fixedly lock pins 17 are corresponding with the recess of cam-shaped strike plate 12.
Under the unlocking condition, suppress pin 11 and withstand on the semicircle outer of strike plate 12, the recess of strike plate 12 makes progress, and moving caliper 7 is in free state.When two calipers are closed up, fixedly lock pin 17 on the moving caliper 7 enters in the recess of strike plate 12, and compressing strike plate 12 clockwise rotates around jointed shaft 13, when strike plate 12 rotates to right angle breach on it perpendicular to following when suppressing pin 11, suppressing pin 11 is advanced in the right angle breach under the effect of stage clip 9 and locks strike plate 12, this moment cam lock tongue piece 12 dead bolt fixedly lock pin 17 tightly catch on, moving caliper 7 tightly is locked on the fixed caliper 6.When unblanking, pull out the right angle breach that makes its release lock tongue piece 12 and get final product suppressing pin 11, this moment, strike plate 12 turned an angle under the effect of torsion spring 15 counterclockwise, and the recess on the strike plate 12 is made progress, this moment, fixedly lock pin 17 can break away from the qualification of dead bolt 12, and moving caliper 7 free ends are got back to free state again.Therefore, desire is being replaced fastener 1 clamp on the insulator, only two caliper free ends of fastener 1 firmly need be closed up to make both auto locks.And unload when tearing fastener open, only need pulling to suppress pin 11 and make the right angle breach on its release lock tongue piece 12 get final product release.
In the present embodiment, the external end head that suppresses pin 11 is connected with a handle 8; A draw ring 18 is installed on moving caliper 7 free ends.The existence of these two parts can make the operation of dismounting jig more convenient.

Claims (3)

1. insulator is changed and is used the enclosed jig in the ultra-high-tension power transmission line, comprise the retaining mechanism on two pull bars in former and later two fasteners (1) and both sides (2) and each the fastener hole, fastener (1) comprises hinged fixed caliper of an end (6) and moving caliper (7), it is characterized in that: an automatic hydraulic oil cylinder (4) is installed on the described every pull bar (2), one end of pull bar (2) is fixedlyed connected with the expansion link (3) of automatic hydraulic oil cylinder, the other end of pull bar (2) and a fastener termination are hinged, the base of automatic hydraulic oil cylinder (4) is direct or hinged by connector and another fastener termination, a signal is installed on the cylinder body of described hydraulic jack (4) receives remote control (5); Retaining mechanism on described fastener (1) hole is an elasticity gripping mechanism.
2. according to the described enclosed jig of claim 1, it is characterized in that: described elasticity gripping mechanism is by the cam-shaped strike plate (12) that is positioned on the fixed caliper (6), torsion spring (15) and suppress pin (11) and be positioned at the free-ended fixedly lock pin of moving caliper (7) (17) and form, protruding one side of something of strike plate (12) has an arc-shaped notch and a right angle breach, there is the backing pin (16) of a projection in the front of strike plate (12) near position, semicircle edge, the inwardly vertical also off-centre of the recess of described cam-shaped strike plate (12) and breach is hinged on the fixed caliper (6), jointed shaft (13) is away from the summit of cam, one end of described torsion spring (15) is fixed on the fixed caliper (6) on strike plate next door, and the other end is withheld on backing pin (16); Suppressing pin (11) is installed in corresponding on the fixed caliper (6) below the strike plate right angle breach by press spring base (10); The free-ended fixedly lock pin of moving caliper (7) (17) is corresponding with the recess of cam-shaped strike plate.
3. according to the described enclosed jig of claim 2, it is characterized in that: the described external end head that suppresses pin (11) is connected with a handle (8); On described moving caliper (7) free end draw ring (18) is installed.
CN2010206403427U 2010-11-24 2010-11-24 Closed type fixture for replacing insulator in high-voltage transmission line Expired - Fee Related CN201946908U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206403427U CN201946908U (en) 2010-11-24 2010-11-24 Closed type fixture for replacing insulator in high-voltage transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206403427U CN201946908U (en) 2010-11-24 2010-11-24 Closed type fixture for replacing insulator in high-voltage transmission line

Publications (1)

Publication Number Publication Date
CN201946908U true CN201946908U (en) 2011-08-24

Family

ID=44474244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206403427U Expired - Fee Related CN201946908U (en) 2010-11-24 2010-11-24 Closed type fixture for replacing insulator in high-voltage transmission line

Country Status (1)

Country Link
CN (1) CN201946908U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105119186A (en) * 2015-08-14 2015-12-02 国家电网公司 Device for replacing strain rod porcelain insulator in 660kV
CN106786137A (en) * 2016-12-06 2017-05-31 国网四川省电力公司技能培训中心 A kind of self-locking insulator replacement fixture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105119186A (en) * 2015-08-14 2015-12-02 国家电网公司 Device for replacing strain rod porcelain insulator in 660kV
CN106786137A (en) * 2016-12-06 2017-05-31 国网四川省电力公司技能培训中心 A kind of self-locking insulator replacement fixture

Similar Documents

Publication Publication Date Title
CN203288998U (en) Electrified pin nut fastening device
CN201946908U (en) Closed type fixture for replacing insulator in high-voltage transmission line
CN103144084A (en) Auxiliary fixture for preventing bolt at process fastening point from follow-up rotation
CN202225142U (en) Double hook line tightening device
CN209981482U (en) Self-locking type grounding wire clamp
CN110450088A (en) High-voltage line tension wire clamp drainage plate bolt fastening machine arm
CN202431656U (en) Rapid locking connection device
CN102064507B (en) Push-pull device of conductor spacer of overhead wire
CN102563548A (en) Explosion-proof lamp
CN206727536U (en) Contiuum type wire clamp
CN108429105A (en) Grounding body remover
CN201904594U (en) Spacer rod push-and-pull device for overhead conductor
CN203014262U (en) V-shaped twin insulator string replacement fixture for compact type 500kV transmission line
CN104409889B (en) A kind of wire connection wire clamp
WO2020207122A1 (en) Opposite-knocking type counter-acting force arm mechanism
CN107910673B (en) A kind of wire clamp Quick multiple head sleeve
CN204389542U (en) High-altitude converting equipment verification junction pole
CN203487881U (en) Unlocking device
CN202878244U (en) Dismantling tool of energy storage spring
CN201126944Y (en) Chucking tools clamping apparatus for altering cross-arm-end insulator for 750kV circuit with electrification
CN202395345U (en) 66KV novel knife-switch button contact mounting device
CN109113341A (en) A kind of installation method and its locking device for building aluminum alloy pattern plate
CN207736233U (en) A kind of piston unt dismantling device
CN202990404U (en) Tubular fast fixture
CN204257851U (en) Wire connection wire clamp

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110824

Termination date: 20151124