CN208849346U - Anticreep moves large-tonnage strain insulator more changing device - Google Patents

Anticreep moves large-tonnage strain insulator more changing device Download PDF

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Publication number
CN208849346U
CN208849346U CN201821906818.XU CN201821906818U CN208849346U CN 208849346 U CN208849346 U CN 208849346U CN 201821906818 U CN201821906818 U CN 201821906818U CN 208849346 U CN208849346 U CN 208849346U
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CN
China
Prior art keywords
insulator
cord holder
connector
closed fixture
separation preventing
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Active
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CN201821906818.XU
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Chinese (zh)
Inventor
王鸿
邱中华
于佰龙
荣世权
周炜刚
刘意
安峰
赵渊
饶建彬
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Super High Voltage Branch Of State Grid Sichuan Electric Power Co
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State Grid Sichuan Electric Power Co Ltd
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Priority to CN201821906818.XU priority Critical patent/CN208849346U/en
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Abstract

The utility model discloses anticreeps to move large-tonnage strain insulator more changing device, include: separation preventing cord holder: separation preventing cord holder includes the closed fixture of two spaced clamping insulators, and the cord holder for adjusting two closed fixture spacing is equipped between two closed fixtures;Insulator bottle-holding rack: the lower section of separation preventing cord holder is arranged in insulator bottle-holding rack, and insulator bottle-holding rack includes the bracket of supporting insulator bottom, and the both ends of bracket are connect with closed fixture respectively;Insulator apparatus for suspension: the top of separation preventing cord holder is arranged in insulator apparatus for suspension, insulator apparatus for suspension includes support rod and coaster support frame, support rod is connect with the top of coaster support frame, and the bottom of coaster support frame is connect with separation preventing cord holder or insulator bottle-holding rack.The replacing device for insulator of the utility model is easy to operate, saves manpower, while shifting insulator chain to the load of hydraulic cylinder, solves the problems, such as that hydraulic cylinder slides at elevated pressures, holds and press the time short.

Description

Anticreep moves large-tonnage strain insulator more changing device
Technical field
The utility model relates to ultra-high-tension power transmission line service kit technical fields, and in particular to it is exhausted that anticreep moves large-tonnage strain insulator Edge more changing device.
Background technique
Currently, having gone up by the global energy internet of bulk transmission grid of extra-high voltage grid as national strategy, extra-high crimping The safe and stable operation on road is the core work of power grid O&M, and running extra-high voltage insulator is by conducting wire self weight, wind-force, ice The factors influences such as the mechanical load of the variations such as snow, environment temperature, and lightning stroke, attachment dunghill, external force destruction will damage, Influence line security stable operation.Extra-high voltage would become hard to power failure operation once running, and carry out charged for replacement extra-high voltage insulator As the necessary means for ensureing UHV transmission line safe and stable operation.
Because environment locating for UHV transmission line is more severe, glass insulator is in the field of force and is formed by with electromagnetic field It in coupled field, is easier to reveal, needs to be replaced in time.Replacement extra-high voltage strain insulator monolithic insulator is all made of at present Hydraulic screw rod connects fixture as cord holder, both ends, completes insulator load transfer.But not when being replaced to insulator Insulator chain can be lifted and be supported, need the high aerial manually crawl insulator of operating personnel to replace and install, more The large labor intensity for changing and installing insulator is unfavorable for that replacing insulator operation is rapidly completed.Simultaneously when more renewing insulator It cannot be lifted by crane according to the specific location of insulator, increase the carrying of operating personnel and shift the amount of labour of insulator.Together When hydraulic wire grip exist hold pressure the time it is short, easily occur under high-tensile strength piston rod sliding, sealing ring oil leak the problems such as, Wu Faman The requirement of sufficient ultra-high-voltage large-tonnage replacing insulator.
Utility model content
It is to be solved in the utility model insulator chain to be lifted when being existing replacement large-tonnage insulator And support, need the high aerial manually crawl insulator of operating personnel to replace and install, the replacement and installation of operating personnel is exhausted The large labor intensity of edge is unfavorable for that replacing insulator operation is rapidly completed.It simultaneously cannot be according to exhausted when more renewing insulator The specific location of edge is lifted by crane, and is increased the carrying and the transfer amount of labour of operating personnel, is unable to satisfy ultra-high-voltage large-tonnage The technical issues of requirement of replacing insulator, is, and it is an object of the present invention to provide anticreep moves large-tonnage strain insulator more changing device.
The utility model is achieved through the following technical solutions:
Anticreep moves large-tonnage strain insulator more changing device, comprising:
Separation preventing cord holder: the separation preventing cord holder includes the closed fixture of two spaced clamping insulators, The cord holder for adjusting two closed fixture spacing is equipped between two closed fixtures;
Insulator bottle-holding rack: the lower section of separation preventing cord holder, insulator bottle-holding rack packet is arranged in the insulator bottle-holding rack The bracket of supporting insulator bottom is included, the both ends of bracket are connect with closed fixture respectively;
Insulator apparatus for suspension: the top of separation preventing cord holder, insulator apparatus for suspension packet is arranged in the insulator apparatus for suspension Support rod and coaster support frame are included, support rod is connect with the top of coaster support frame, and the bottom of coaster support frame and separation preventing are tight Line device or the connection of insulator bottle-holding rack.
Preferred embodiment, the cord holder include hydraulic cylinder, and the piston rod in hydraulic cylinder stretches out the both ends of hydraulic cylinder, piston rod Both ends offer threaded hole respectively, the first mechanical lead screw is connected in the threaded one end of piston rod, in the other end of piston rod It is threaded with the second mechanical lead screw, the described first mechanical lead screw connect with one of closed fixture, sets in one end of hydraulic cylinder There is the connecting plate connecting with another closed fixture, the connecting plate includes two side plates, pass through end plate connection between two side plates, Jam plate is connected between two side plates, jam plate and end plate interval are arranged, and through-hole is offered on the jam plate, and described second is mechanical Lead screw penetrates in the through-hole of jam plate, nut is combined on the second screw rod, the nut is between end plate and jam plate.
Preferred embodiment, the bracket include two and are parallel to each other and spaced shaft, connect between two shafts There is the first screw rod of adjustment axis distance between tie rods, the second screw rod connecting with closed fixture is respectively equipped at the both ends of shaft, in the first spiral shell Adjusting nut is connected on bar and the second screw rod.
Preferred embodiment, the coaster support frame is two spaced isosceles triangle brackets, in coaster support frame Top is equipped with the U-board connecting with support rod, and the sleeve connecting with bracket is equipped in the bottom of coaster support frame.
Preferred embodiment, the described first mechanical lead screw and one of closed fixture junction are equipped with the first connector, connect first The second connector is hinged on head, and the end of second connector and closed fixture is hinged, is fixedly connected with first on the connecting plate Connector is hinged with the second connector on first connector, and the end of second connector and another closed fixture is hinged.
Preferred embodiment, first connector includes bottom plate, the two sides of bottom plate be equipped with perpendicular connection left trunnion and Right trunnion, second connector includes connecting plate, is equipped with left trunnion and right trunnion in parallel, connecting plate and the in the two sides of connecting plate The left trunnion of one connector is connected with right trunnion by pivot pin, and the left trunnion and right trunnion of second connector pass through pivot pin and enclosed The end of card connects.
Preferred embodiment, the closed fixture include pedestal and semi-annular cover plates, and the middle part of the pedestal is equipped with semi-ring connected in star, One end of the semi-annular cover plates and semi-ring connected in star one end of pedestal are rotatably connected, the other end of the semi-annular cover plates with The semi-ring connected in star other end of the pedestal is flexibly connected.
Preferred embodiment is arranged with pulley and nylon self-locking nut on the support rod, and the nylon self-locking nut, which is located at, to be slided The two sides of wheel, nylon self-locking nut are used to pulley be fixed on support rod.
Preferred embodiment, the support rod are cylindrical epoxy resins insulation stick.
The anticreep of the utility model moves the replacing options of large-tonnage strain insulator more changing device, and the method includes following Step:
Step 1: medial potential working personnel, which use, carries transmission rope and coaster across two short three working systems, arrives along insulator chain Up to operating potential, and the setting position installation coaster and transmission rope on insulator chain aside, coaster and transmission rope composition lifting Device;
Step 2: under the cooperation of ground staff, separation preventing cord holder being passed into medial potential working by boom hoisting Personnel, medial potential working personnel install separation preventing cord holder;
Step 3: medial potential working personnel are separately fixed at two closed fixtures on separation preventing cord holder far from breakage The two sides of insulator, then two closed fixtures between connect two cord holders, adjust the first mechanical lead screw on cord holder, To separation preventing cord holder pre-tightening;
Step 4: under the cooperation of ground staff, insulator bottle-holding rack, insulator apparatus for suspension successively being passed through into boom hoisting Medial potential working personnel are passed to, insulator bottle-holding rack, insulator apparatus for suspension are mounted on anticreep by medial potential working personnel On formula cord holder, the adjusting nut on insulator bottle-holding rack is adjusted, two on insulator bottle-holding rack shafts is made to have held breakage The insulator chain of insulator;
Step 5: medial potential working personnel tighten hydraulic cylinder in cord holder, then tighten the spiral shell on the second mechanical lead screw The second mechanical lead screw on hydraulic cylinder and the connecting plate on hydraulic cylinder are lockked, open oil return valve, hydraulic cylinder pressure relief by mother;
Step 6: adjusting the pulley position on insulator apparatus for suspension, pulley is located to the top of damaged insulator, is then twisted Pulley is fixed on the support rod on insulator apparatus for suspension by tight nylon self-locking nut;
Step 7: transmission rope being transferred on insulator apparatus for suspension, transmission rope one end hitches the steel cap of damaged insulator, tears open Except damaged insulator, ground is then passed it to by pulley;
Step 8: new insulator is passed to medial potential working personnel by ground operation personnel, and medial potential working personnel will New insulator is installed on insulator chain;
Step 9: medial potential working personnel tighten hydraulic cylinder in cord holder, unclamp the nut on the second mechanical lead screw, most Open oil return valve again afterwards, hydraulic cylinder pressure relief removes separation preventing cord holder, insulator bottle-holding rack, insulator apparatus for suspension;
Step 10: transmission rope being transferred on coaster, by separation preventing cord holder, insulator bottle-holding rack, insulator apparatus for suspension It is transmitted to ground.
The utility model compared with prior art, has the following advantages and benefits: the anticreep of the utility model moves Large-tonnage strain insulator more changing device, the device using separation preventing cord holder, insulator bottle-holding rack and insulator apparatus for suspension come Large-tonnage strain insulator is replaced, when the insulator in insulator chain occurs damaged:
1) hydraulic cylinder of the separation preventing cord holder of the present apparatus tightens insulator chain, reduces damaged insulator both ends Pulling force enables damaged insulator to take out from insulator chain.Then insulator bottle supporting is installed in the bottom of separation preventing cord holder Frame lifts insulator chain, and when disassembling and installing insulator, insulator bottle-holding rack can provide well for insulator Support avoids operating personnel from carrying out operation in high aerial manually crawl insulator, greatly alleviates the physical strength labor of operating personnel It is dynamic, improve replacing insulator efficiency.
2) the insulator apparatus for suspension of the present apparatus is mounted on the top of separation preventing cord holder, on the support rod of edge apparatus for suspension Equipped with the pulley for lifting by crane and transmitting insulator, pulley can be free to slide on support rod according to the specific location of insulator, position It sets and is positioned after determining by nylon self-locking nut, reduce the carrying of operating personnel and shift the amount of labour of insulator, improve Replacing insulator efficiency.
3) after the tightening of separation preventing cord holder, the nut of the second mechanical lead screw is tightened, hydraulic cylinder pressure relief, nut is the second machine Tool lead screw is fixed on the connecting plate connecting with hydraulic cylinder, is prevented under pulling force effect of the piston rod by outside in hydraulic cylinder, Piston rod slides damage hydraulic cylinder and sealing ring out of hydraulic cylinder.With the second mechanical lead screw transfer insulator chain to the lotus of hydraulic cylinder It carries, solves the problems, such as that hydraulic cylinder slides at elevated pressures, holds and press the time short.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is that the anticreep of the utility model moves large-tonnage strain insulator replacement apparatus structure schematic diagram.
Label and corresponding parts title in attached drawing:
101- pedestal, 102- semi-annular cover plates, 103- hydraulic cylinder, the first connector of 104-, the second connector of 105-, 106- first Mechanical lead screw, 107- piston rod, the mechanical lead screw of 108- second, 109- side plate, 110- end plate, 111- jam plate, 112- nut, 201- Support rod, 202- coaster support frame, 203-U shape plate, 204- sleeve, 301- shaft, the first screw rod of 302-, the second screw rod of 303-.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing, The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this Utility model is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, the utility model anticreep moves large-tonnage strain insulator more changing device, comprising: separation preventing cord holder, Insulator bottle-holding rack and insulator apparatus for suspension.
Separation preventing cord holder: separation preventing cord holder includes the closed fixture of two spaced clamping insulators, at two The cord holder for adjusting two closed fixture spacing is equipped between closed fixture.The closed fixture includes pedestal 101 and semi-annular cover plates 102, It is equipped with semi-ring connected in star at the middle part of pedestal 101, in one end of semi-annular cover plates 102 and semi-ring connected in star one end of pedestal 101 It is rotatably connected, the other end of semi-annular cover plates 102 is flexibly connected with the semi-ring connected in star other end of pedestal 101 using bolt. Semi-annular cover plates 102 are opened when use, two closed fixtures are clamped on the steel cap of the insulator of damaged insulator two sides, are twisted The bolt connected between tight semi-annular cover plates 102 and pedestal 101 clamps the steel cap of insulator.
Cord holder includes hydraulic cylinder 103, and the piston rod 107 in hydraulic cylinder 103 stretches out the both ends of hydraulic cylinder 103, hydraulic cylinder 103 be hydraulic hand-pump, and operation handle and oil return valve are equipped on hydraulic cylinder 103.It is offered respectively at the both ends of piston rod 107 Threaded hole is connected with the first mechanical lead screw 106 in the threaded one end of piston rod 107, is threadedly coupled in the other end of piston rod 107 There is the second mechanical lead screw 108, the first mechanical lead screw 106 is connect with the pedestal 101 of one of closed fixture, the first mechanical lead screw 106 and second mechanical 108 chrome-faced of lead screw, improve its surface smoothness and wearability.One end of hydraulic cylinder 103 be equipped with The connecting plate that the pedestal 101 of another closed fixture connects, the connecting plate include two side plates 109, are passed through between two side plates 109 End plate 110 connects, and jam plate 111 is fixedly connected between two side plates 109, and jam plate 111 and the interval of end plate 110 are arranged, are locking Through-hole is offered on plate 111, the second mechanical lead screw 108 penetrates in the through-hole of jam plate 111, cooperates on the second mechanical lead screw 108 There is nut 112, nut 112 is preferably wing nut, and nut 112 is between end plate 110 and jam plate 111.
Semi-annular cover plates 102 are opened when use, two closed fixtures are clamped in respectively the insulation of damaged insulator two sides On the steel cap of son, two cord holders are then connected between two closed fixtures, adjust the first mechanical lead screw 106 on cord holder, To separation preventing cord holder pre-tightening, the operation handle on hydraulic cylinder 3,107 edge of piston rod in hydraulic cylinder 103 is then manually operated The reverse movement of second mechanical lead screw 108, adjusts the distance between two closed fixtures by tensioning, until damaged insulator can Stop after dismounting, then tighten the nut 112 on the second mechanical lead screw 108, by the second mechanical lead screw 108 on hydraulic cylinder 103 It is lockked with the connecting plate on hydraulic cylinder 103, then opens oil return valve, 103 pressure release of hydraulic cylinder.It is shifted with the second mechanical lead screw 108 Insulator chain solves the problems, such as that hydraulic cylinder 103 occurs sliding at elevated pressures, holds and press the time short to the load of hydraulic cylinder 103.
Insulator bottle-holding rack: the lower section of separation preventing cord holder is arranged in insulator bottle-holding rack, and insulator bottle-holding rack includes branch The bracket of insulator bottom is supportted, the both ends of bracket are connect with closed fixture respectively.Bracket includes two and is parallel to each other and is spaced setting Shaft 301, be connected with the first screw rod 302 of adjustment axis distance between tie rods between two shafts 301, the first screw rod 302 is equipped with two A, two the first screw rods 302 are connected to the both ends of two shafts 301.It is respectively equipped at the both ends of shaft 301 and is connect with closed fixture The second screw rod 303, there are four the second screw rod 303 is set, four the second screw rods 303, which are respectively perpendicular, is mounted on two shafts 301 Both ends.It is connected with adjusting nut on the first screw rod 302 and the second screw rod 303, adjusts spiral shell by rotating on the first screw rod 302 Mother adjusts spacing between two shafts 301, and suitable for not having to the insulator of diameter, spacing is between two shafts 301 to be less than The outer diameter of insulator is advisable;By on the second screw rod 303 rotating adjusting nut adjust between two shafts 301 and closed fixture Distance, the spacing of two shafts 301 and closed fixture with the outer circle of insulator with two shafts 301 are tangent is advisable.
This insulator bottle-holding rack, lifts insulator chain, when disassembling and installing insulator, insulator bottle-holding rack energy Good support enough is provided for insulator, avoids operating personnel from carrying out operation in high aerial manually crawl insulator, greatly subtracts The light manual labor of operating personnel, improves replacing insulator efficiency.
Insulator apparatus for suspension: the top of separation preventing cord holder is arranged in insulator apparatus for suspension, and insulator apparatus for suspension includes branch Strut 201 and coaster support frame 202, support rod 201 are connect with the top of coaster support frame 202, the bottom of coaster support frame 202 It is connect with two shafts 301 of insulator bottle-holding rack, the preferably cylindrical epoxy resins insulation stick of support rod 201.Coaster support Frame 202 is two spaced isosceles triangle brackets, is equipped at the top of coaster support frame 202 and connect with support rod 201 U-board 203, the both ends of support rod 201 are connect with U-board 203 respectively.It is equipped with and bracket in the bottom of coaster support frame 202 The connection of two shafts 301 sleeve 204, sleeve 204 is set in two 301 ends of shaft.Pulley is arranged on support rod 201 (not shown) and nylon self-locking nut (not shown), nylon self-locking nut are located at the two sides of pulley, the self-locking spiral shell of nylon Pulley for being fixed on support rod 201 by mother.
The pulley for lifting by crane and transmitting insulator is equipped on the support rod 201 of insulator apparatus for suspension, pulley can be according to broken The specific location on insulator chain for damaging insulator is free to slide on support rod 201, and position is self-locking by nylon after determining Nut positioning installs transmission rope on pulley insulator is transmitted to setting position, reduces the working region of operating personnel, subtract Lack the carrying of operating personnel and shifted the amount of labour of insulator, improves replacing insulator efficiency.Support rod 201 is preferably justified Cylindricality epoxy resins insulation stick has light weight using the support rod 201 of epoxy resin insulation material, and intensity is high, good insulating, Convenient for electrification and high altitude operation.
Preferred embodiment scheme, the end of the first mechanical lead screw 106 are equipped with first with one of closed fixture junction and connect First 104, the second connector 105 is hinged on the first connector 104,101 end of pedestal of the second connector 105 and closed fixture is hinged. It is fixedly connected with the first connector 4 on connecting plate, the second connector 5 is hinged on the first connector 4, the second connector 5 is closed with another 1 end of pedestal of formula card is hinged.First connector 104 includes bottom plate, is equipped with the left trunnion of perpendicular connection in the two sides of bottom plate With right trunnion, the second connector 105 include connecting plate, the two sides of connecting plate be equipped with left trunnion and right trunnion in parallel, connecting plate with The left trunnion of first connector 104 is connected with right trunnion by pivot pin.The left trunnion and right trunnion of second connector 105 by pivot pin with The end of closed fixture pedestal 101 connects.Bottom plate, left trunnion and the right trunnion of first connector 104 are stainless steel material integrated molding Structure, connecting plate, left trunnion and the right trunnion of the second connector 105 are stainless steel material integrated formed structure, improve its structural strength.
The utility model additionally provides anticreep and moves large-tonnage strain insulator replacing options, method includes the following steps:
Step 1: medial potential working personnel, which use, carries transmission rope and coaster across two short three working systems, arrives along insulator chain Up to operating potential, and the setting position installation coaster and transmission rope on insulator chain aside, coaster and transmission rope composition lifting Device is prepared for replacement insulator;
Step 2: under the cooperation of ground staff, separation preventing cord holder being passed into medial potential working by boom hoisting Personnel, medial potential working personnel install separation preventing cord holder;
Step 3: medial potential working personnel are separately fixed at two closed fixtures on separation preventing cord holder far from breakage The two sides of insulator, then two closed fixtures between connect two cord holders, adjust the first mechanical lead screw on cord holder 106, to separation preventing cord holder pre-tightening;
Step 4: under the cooperation of ground staff, insulator bottle-holding rack, insulator apparatus for suspension successively being passed through into boom hoisting Medial potential working personnel are passed to, insulator bottle-holding rack, insulator apparatus for suspension are mounted on anticreep by medial potential working personnel On formula cord holder, the adjusting nut on the first screw rod 302 and the second screw rod 303 on insulator bottle-holding rack is adjusted, insulator is made Two shafts 301 on bottle-holding rack effectively hold the insulator chain of damaged insulator;
Step 5: medial potential working personnel tighten hydraulic cylinder 103 in cord holder, then tighten on the second mechanical lead screw 108 Nut 112, the second mechanical lead screw 108 on hydraulic cylinder 103 is lockked with the connecting plate on hydraulic cylinder 103, opens oil return valve, 103 pressure release of hydraulic cylinder;
Step 6: adjusting the pulley position on insulator apparatus for suspension, pulley is located to the top of damaged insulator, is then twisted Pulley is fixed on the support rod 201 on insulator apparatus for suspension by tight nylon self-locking nut;
Step 7: transmission rope being transferred on insulator apparatus for suspension, transmission rope one end hitches the steel cap of damaged insulator, tears open Except damaged insulator, ground is then passed it to by pulley;
Step 8: new insulator is passed to medial potential working personnel by ground operation personnel, and medial potential working personnel will New insulator is installed on insulator chain;
Step 9: medial potential working personnel tighten hydraulic cylinder 103 in cord holder, unclamp the spiral shell on the second mechanical lead screw 108 Mother 112, finally opens oil return valve again, and separation preventing cord holder, insulator bottle-holding rack, insulator coaster are removed in 103 pressure release of hydraulic cylinder Frame;
Step 10: transmission rope being transferred on coaster, by separation preventing cord holder, insulator bottle-holding rack, insulator apparatus for suspension It is transmitted to ground.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims (9)

1. anticreep moves large-tonnage strain insulator more changing device characterized by comprising
Separation preventing cord holder: the separation preventing cord holder includes the closed fixture of two spaced clamping insulators, at two The cord holder for adjusting two closed fixture spacing is equipped between closed fixture;
Insulator bottle-holding rack: the lower section of separation preventing cord holder is arranged in the insulator bottle-holding rack, and insulator bottle-holding rack includes branch The bracket of insulator bottom is supportted, the both ends of bracket are connect with closed fixture respectively;
Insulator apparatus for suspension: the top of separation preventing cord holder is arranged in the insulator apparatus for suspension, and insulator apparatus for suspension includes branch Strut and coaster support frame, support rod are connect with the top of coaster support frame, the bottom of coaster support frame and separation preventing cord holder Or insulator bottle-holding rack connection.
2. anticreep according to claim 1 moves large-tonnage strain insulator more changing device, which is characterized in that the cord holder Including hydraulic cylinder, the piston rod in hydraulic cylinder stretches out the both ends of hydraulic cylinder, and the both ends of piston rod offer threaded hole respectively, in work The threaded one end of stopper rod is connected with the first mechanical lead screw, is threaded with the second mechanical lead screw in the other end of piston rod, described First mechanical lead screw is connect with one of closed fixture, and the connection connecting with another closed fixture is equipped in one end of hydraulic cylinder Plate, the connecting plate include two side plates, pass through end plate connection between two side plates, are connected with jam plate between two side plates, Jam plate and end plate interval are arranged, and through-hole are offered on the jam plate, the second mechanical lead screw penetrates in the through-hole of jam plate, at second Nut is combined on bar, the nut is between end plate and jam plate.
3. anticreep according to claim 1 moves large-tonnage strain insulator more changing device, which is characterized in that the bracket packet It includes two to be parallel to each other and spaced shaft, the first screw rod of adjustment axis distance between tie rods is connected between two shafts, The both ends of shaft are respectively equipped with the second screw rod connecting with closed fixture, are connected with adjusting spiral shell on the first screw rod and the second screw rod It is female.
4. anticreep according to claim 1 moves large-tonnage strain insulator more changing device, which is characterized in that the coaster branch Support is two spaced isosceles triangle brackets, and the U-board connecting with support rod is equipped at the top of coaster support frame, The sleeve connecting with bracket is equipped in the bottom of coaster support frame.
5. anticreep according to claim 2 moves large-tonnage strain insulator more changing device, which is characterized in that first machine Tool lead screw and one of closed fixture junction are equipped with the first connector, are hinged with the second connector on the first connector, and described second The end of connector and closed fixture is hinged, and the first connector is fixedly connected on the connecting plate, and is hinged on first connector The end of two connectors, second connector and another closed fixture is hinged.
6. anticreep according to claim 5 moves large-tonnage strain insulator more changing device, which is characterized in that described first connects Head includes bottom plate, is equipped with the left trunnion and right trunnion of perpendicular connection in the two sides of bottom plate, and second connector includes connecting plate, It is equipped with left trunnion and right trunnion in parallel in the two sides of connecting plate, the left trunnion and right trunnion of connecting plate and the first connector pass through axis Pin connection, the left trunnion and right trunnion of second connector are connected by the end of pivot pin and closed fixture.
7. anticreep according to claim 1 moves large-tonnage strain insulator more changing device, which is characterized in that the closed fixture Including pedestal and semi-annular cover plates, the middle part of the pedestal is equipped with semi-ring connected in star, one end of the semi-annular cover plates and pedestal Semi-ring connected in star one end be rotatably connected, the semi-ring connected in star other end of the other end of the semi-annular cover plates and the pedestal It is flexibly connected.
8. anticreep according to claim 1 moves large-tonnage strain insulator more changing device, which is characterized in that the support rod On be arranged with pulley and nylon self-locking nut, the nylon self-locking nut is located at the two sides of pulley, and nylon self-locking nut is used for handle Pulley is fixed on support rod.
9. anticreep according to claim 1 moves large-tonnage strain insulator more changing device, which is characterized in that the support rod For cylindrical epoxy resins insulation stick.
CN201821906818.XU 2018-11-19 2018-11-19 Anticreep moves large-tonnage strain insulator more changing device Active CN208849346U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109217178A (en) * 2018-11-19 2019-01-15 国网四川省电力公司检修公司 Anticreep moves large-tonnage strain insulator more changing device and replacing options
CN110364960A (en) * 2019-07-16 2019-10-22 云南电网有限责任公司曲靖供电局 Strain insulator list insulator string inspection platform
CN115302243A (en) * 2022-08-25 2022-11-08 中国南方电网有限责任公司超高压输电公司昆明局 Insulator dismounting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109217178A (en) * 2018-11-19 2019-01-15 国网四川省电力公司检修公司 Anticreep moves large-tonnage strain insulator more changing device and replacing options
CN110364960A (en) * 2019-07-16 2019-10-22 云南电网有限责任公司曲靖供电局 Strain insulator list insulator string inspection platform
CN115302243A (en) * 2022-08-25 2022-11-08 中国南方电网有限责任公司超高压输电公司昆明局 Insulator dismounting device
CN115302243B (en) * 2022-08-25 2023-11-24 中国南方电网有限责任公司超高压输电公司昆明局 Insulator dismounting device

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Patentee after: Super high voltage branch of State Grid Sichuan Electric Power Co.

Address before: 610000 No. 66 Xinguang Road, hi tech Zone, Sichuan, Chengdu

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