CN106159796B - A kind of general closed type fixture and its application method for being used to change extra-high voltage insulator - Google Patents

A kind of general closed type fixture and its application method for being used to change extra-high voltage insulator Download PDF

Info

Publication number
CN106159796B
CN106159796B CN201610657626.9A CN201610657626A CN106159796B CN 106159796 B CN106159796 B CN 106159796B CN 201610657626 A CN201610657626 A CN 201610657626A CN 106159796 B CN106159796 B CN 106159796B
Authority
CN
China
Prior art keywords
bushing
card
hydraulic
insulator
base
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.)
Active
Application number
CN201610657626.9A
Other languages
Chinese (zh)
Other versions
CN106159796A (en
Inventor
邹德华
李稳
刘兰兰
杨琪
李辉
汪志刚
童诚
梅文建
曾文远
王梯清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Peace Prosperity Electric Ltd
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Live Working Center of State Grid Hunan Electric Power Co
Maintenance Co of State Grid Hunan Electric Power Co Ltd
Original Assignee
Hunan Taiping Changsheng Electric Appliances Co Ltd
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Live Working Center of State Grid Hunan Electric Power Co
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 Hunan Taiping Changsheng Electric Appliances Co Ltd, State Grid Corp of China SGCC, State Grid Hunan Electric Power Co Ltd, Live Working Center of State Grid Hunan Electric Power Co filed Critical Hunan Taiping Changsheng Electric Appliances Co Ltd
Priority to CN201610657626.9A priority Critical patent/CN106159796B/en
Publication of CN106159796A publication Critical patent/CN106159796A/en
Priority to AU2017201903A priority patent/AU2017201903B2/en
Application granted granted Critical
Publication of CN106159796B publication Critical patent/CN106159796B/en
Priority to AU2019203268A priority patent/AU2019203268A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

Landscapes

  • Insulators (AREA)

Abstract

The invention discloses a kind of general closed type fixture and its application method for being used to change extra-high voltage insulator, fixture therein includes:Preceding card, rear card and clamp force device;Clamp force device is arranged between preceding card and rear card, for adjusting the distance between preceding card and rear card when changing insulator, and can apply tightening force to preceding card and rear card;The first bushing is provided with preceding card, is provided with the second bushing in rear card, the inner surface of the first bushing and the second bushing matches with the profile of insulator steel cap in being clamped in preceding card and blocking afterwards respectively.The fixture and replacing options of the present invention, with good, the in light weight preceding card of intensity and rear card, and it can be suitably used for different model insulator, solve the problems, such as the stroke of clamp force device and load-carrying ability deficiency by hydraulic machinery built-up leadscrew, the length of leading screw is decreased simultaneously, is easy to onsite moving, lifting, is easy to warehouse storage keeping again, the labor intensity of work high above the ground personnel can be effectively reduced, improves operating efficiency.

Description

A kind of general closed type fixture and its application method for being used to change extra-high voltage insulator
Technical field
The present invention relates to ultra-high-tension power transmission line service kit technical field, more particularly to one kind to be used to change extra-high voltage insulation The general closed type fixture and its application method of son.
Background technology
At present, the global energy internet using extra-high voltage grid as bulk transmission grid is had gone up as national strategy, extra-high line ball The safe and stable operation on road is the core work of power network O&M, and operating extra-high voltage insulator is conducted oneself with dignity by wire, wind-force, ice The mechanical load of the changes such as snow, environment temperature, and the factor such as thunderbolt, attachment dunghill, external force destruction influence to will appear from damaging, 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 of guarantee UHV transmission line safe and stable operation.
Extra high voltage line is all significantly increased compared with supertension line in load of roadway, insulator deadweight etc..Existing replacing Large-tonnage insulator fixture is from great, inconvenient operation, and a kind of fixture is only applicable to a certain specific model insulator, general Property it is not strong, while have that bearing capacity is weak, can not the work of effective guarantee charged for replacement security.Existing stringing instrument master There are two kinds of hydraulic wire grip and screw mandrel turnbuckle, for two kinds of stringing instruments, respectively there is shortcoming.Hydraulic wire grip pulling force tonnage Greatly, but there is also the problem of volume is big, weight causes to be difficult to put to good use in the useful space again;Screw mandrel turnbuckle is easy to operate, but The problem of pulling force tonnage is limited be present.Because existing instrument can not all meet the requirement of ultra-high-voltage large-tonnage replacing insulator, because This needs a kind of powered Work tool of extra high voltage line badly.
The content of the invention
In view of this, the invention solves a technical problem be to provide and a kind of be used to change the logical of extra-high voltage insulator With closed type fixture and its application method.
A kind of general closed type fixture for being used to change extra-high voltage insulator, including:Preceding card, rear card and clamp force device;It is described Clamp force device be arranged on it is described before card it is described after block between, the both ends of the clamp force device respectively with the preceding card and it is described after Card connection, for adjusted when changing insulator it is described before card it is described after block between distance, and can to it is described it is preceding card with Card applies tightening force after described;The first bushing is provided with the preceding card, the second bushing is provided with blocking in the rear, it is described The inner surface of first bushing and the second bushing respectively be clamped in it is described before card and it is described after card in insulator steel cap profile Match.
According to one embodiment of present invention, further, first bushing and the second bushing have been embedded in magnet.
According to one embodiment of present invention, further, in the first bushing inwall and the second bushing inwall Two grooves are along the circumferential direction set above and at equal intervals, magnet is provided with the groove.
According to one embodiment of present invention, further, the preceding card includes:Lid and first base on first;It is described The one end covered on first and one end of first base are rotatably connected, the other end covered on described first and the first base The other end is flexibly connected;First bushing includes the first left bushing and the first right bushing of semicircular;Covered on described first The first upper half circle groove is provided with lower surface, the first lower semi-circular groove is provided with the first base;Described first Left bushing and the first right bushing are separately positioned in the first upper half circle groove and the first lower semi-circular groove, and point It is not interference fitted with the first upper half circle groove and the first lower semi-circular groove.
According to one embodiment of present invention, further, the rear card includes:Lid and second base on second;It is described The one end covered on second and one end of second base are rotatably connected, the other end covered on described second and the second base The other end is flexibly connected;Second bushing includes the second left bushing and the second right bushing of semicircular;Covered on described second The second upper half circle groove is provided with lower surface, the second lower semi-circular groove is provided with the second base;Described second Left bushing and the second right bushing are separately positioned in the second upper half circle groove and the second lower semi-circular groove, and point It is not interference fitted with the second upper half circle groove and the second lower semi-circular groove.
According to one embodiment of present invention, further, the preceding card and the rear card all include:Bolt, bearing pin and Circlip;The one end covered on described first and one end of first base by the hinge together with, on described first The other end of lid is connected with the other end of the first base by the bolt and the circlip;Covered on described second One end and one end of second base by the hinge together with;The other end covered on described second and the second base The other end connected by the bolt with the circlip.
According to one embodiment of present invention, further, the bolt, the material of the bearing pin are all high strength steel.
According to one embodiment of present invention, further, lid on described first, the first base, on described second The material of lid and the second base is carbon fibre composite.
According to one embodiment of present invention, further, the described first left bushing, the first right bushing, described The material of two left bushings and the second right bushing is titanium alloy.
According to one embodiment of present invention, further, the clamp force device includes:Mechanical leading screw and hydraulic drive motor Structure;One end of the mechanical leading screw is connected with the threaded one end of the hydraulic gear, the other end of the mechanical leading screw with The preceding card bolt connection, the other end of the hydraulic gear connect with the rear card, pass through the hydraulic gear Apply tightening force to the preceding card and the rear card with the mechanical lead screw.
According to one embodiment of present invention, further, the quantity of the clamp force device is 2,2 clamp force devices Left and right bolts at two ends of the both ends respectively with the preceding card and the rear card is connected.
According to one embodiment of present invention, further, the mechanical leading screw includes:First leading screw, the second leading screw and Regulation pipe, and the thread rotary orientation of the first leading screw and the second leading screw is opposite;The upper end of first leading screw is fixed with the preceding card Connection, the lower end of second leading screw is fixedly connected with the hydraulic gear, and the both ends of the regulation pipe are respectively fitted over the The lower end of one leading screw and the upper end of the second leading screw, and be provided with the inwall of the first regulation pipe and the first leading screw and the second leading screw The screw thread of rotatable engagement.
According to one embodiment of present invention, further, rotation pipe is set with the outer wall of the regulation pipe, and in institute State and mechanically actuated handle is installed on rotation pipe.
According to one embodiment of present invention, further, the hydraulic gear is hydraulic jack;Described second The lower end of thick stick is connected with the cylinder body tailing screw flight of the hydraulic jack, the expansion link of the hydraulic jack and the rear fixed company of card Connect.
According to one embodiment of present invention, further, the hydraulic jack also includes:Spring, piston;The cylinder body Upper hydraulic cavities, lower hydraulic pressure chamber two chambers are divided into by piston, spring is located at the upper hydraulic pressure intracavitary, its length direction with it is upper The length direction of hydraulic cavities is consistent;The upper end of the expansion link is connected with the piston, and the lower end of the expansion link is described in The bottom wall body of lower hydraulic pressure chamber is simultaneously fixedly connected with the rear card.
According to one embodiment of present invention, further, at the expansion link mounting hole of the bottom wall body of lower hydraulic pressure chamber It is packed with sealing ring.
According to one embodiment of present invention, further, the hydraulic jack includes:Hydraulic operation handle and the first liquid Pumping cavity;The hydraulic operation handle is arranged on the cylinder body, by the operation handle by first hydraulic fluid chamber Hydraulic oil be pressed into the lower hydraulic pressure chamber.
According to one embodiment of present invention, further, the hydraulic jack includes:Unload check valve;The unloading Check valve connects first hydraulic fluid chamber and the lower hydraulic pressure chamber;When the unloading check valve is opened and in the hydraulic operation In the presence of handle, the pressure oil in first hydraulic cavities flows into lower hydraulic fluid chamber by the unloading check valve and promotes piston Motion and compression spring upwards;Wherein, the pressure of pressure oil in first hydraulic cavities is kept by closing the unloading check valve Power;When the unloading check valve is opened and in the presence of the spring, the pressure oil in the lower hydraulic pressure chamber is unloaded by described Check valve is carried to flow into the first hydraulic fluid chamber.
According to one embodiment of present invention, further, the lower end of the expansion link passes through the base wall of lower hydraulic pressure chamber Body is bolted with the rear card.
According to one embodiment of present invention, further, bolt hole is provided with card in the rear, in the bolt hole In be provided with titanium alloy bolt hole bushing.
According to one embodiment of present invention, further, the lower end of second leading screw and the cylinder of the hydraulic jack Body tailing screw flight connects.
According to one embodiment of present invention, further, the upper end of first leading screw passes through bolt with the preceding card Connection.
According to one embodiment of present invention, further, the bolt hole coordinated with bolt is set on the preceding card, Titanium alloy bolt hole bushing is provided with the bolt hole.
It is a kind of to carry out the method for changing insulator using the general closed type fixture for being used to change extra-high voltage insulator as above, It is characterised in that it includes:
Preceding card, rear card are passed to work high above the ground personnel, work high above the ground people by ground electrician successively by the transmission rope that insulate Member opens the first bushing, and the magnet absorption on the first left bushing and the first right bushing is fixed on the steel cap of the first insulator, Close first bushing;Open and covered on the first of the preceding card, the semicircle groove placement first of lid lower surface is left on first Bushing, the semicircle groove of first base upper surface dispose the first right bushing, and by bolt will on described first lid with it is described First base fastens, and keeps lid and the first base folding direction and the described first left bushing and described first on described first The folding direction of right bushing is vertical so that lid and the first base Fracture Force in the first bushing Fracture Force and described first It is orthogonal, it is more excellent to block overall stress before described;High-altitude equipotential live line work personnel will open the second bushing, by the second left bushing and Magnet absorption on second right bushing is fixed on the steel cap of the second insulator, closes second bushing, opens the preceding card Second on cover, the semicircle groove of lid lower surface on second is placed in the second left bushing and the semicircle of second base upper surface Shape groove is placed on the second right bushing, and is fastened lid on described second and the second base by bolt, described in holding Lid and the second base folding direction are vertical with the folding direction of the described second left bushing and the second right bushing on second, So that the second bushing Fracture Force and on described second lid and the second base Fracture Force it is orthogonal, it is described after card integrally Stress is more excellent;Ground electrician is locked power apparatus in ground installation two, wherein, the both ends of regulation pipe are socketed in the first leading screw respectively Lower end and the second leading screw upper end, the lower end of the second leading screw is connected with hydraulic jack tailing screw flight;Pass through the transmission rope that insulate Two power apparatus that are locked are passed to high-altitude equipotential live line work personnel by rope successively;High-altitude equipotential live line work personnel are locked two power apparatus Both ends respectively with it is described it is preceding card and it is described after block left and right both ends be connected, wherein, the expansion link of the hydraulic jack with it is described Card is bolted afterwards;The upper end of first leading screw is bolted with the preceding card;High-altitude equipotential live line work personnel are synchronous Operation two is locked the mechanically actuated handle of mechanical lead screw in power apparatus, tightens up two sets of mechanical lead screws to insulator chain tentatively in taut Tight state, then high-altitude equipotential live line work personnel inspection the first insulator of confirmation and the second insulation connect from part each with fixture installation It is intact to connect situation;High-altitude equipotential live line work personnel simultaneously operating two is locked the hydraulic operation hand of hydraulic gear in power apparatus Handle, continue to tighten up two and be locked power apparatus, until being replaced insulator below the first insulator or above the second insulator Loosen;High-altitude equipotential live line work personnel, which pull down, to be replaced insulator and passes to ground electrician with rope;Ground electrician and then use Insulation transmits rope and the lifting of new insulator is passed into high-altitude equipotential live line work personnel;High-altitude equipotential live line work personnel will newly insulate After son is arranged on the position replaced, the two hydraulic operation handles for being locked power apparatus are first operated, adjust pine two to be locked power apparatus, then operate The two mechanically actuated handles for being locked power apparatus, until two power apparatus that are locked are in the detachable state of relaxation;High-altitude equipotential live line work Personnel remove two and are locked power apparatus, preceding card and rear card successively, and it is transferred into ground with insulation transmission rope.
The general closed fixture of carbon fiber and its application method that are used to change extra-high voltage insulator of the present invention, is ensureing enclosed While card work load meets procedural security requirement, the preceding card of small volume and rear card have been made, it is ensured that big in extra-high voltage Tonnage insulator chain scene in confined space physical dimension is smoothly changed, and by using the different bushings of size first and second Bushing can be suitably used for the replacing insulator of different model, improve the versatility of closed fixture;Preceding card and rear card use carbon fiber system Make, considerably reduce preceding card, the weight of rear card single-piece, facilitate onsite moving, high-altitude installation and removal, it is ensured that closed fixture Practicality, improve the security of live work high above the ground.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings Obtain other accompanying drawings.
Fig. 1 is the signal for being used to change one embodiment of the general closed type fixture of extra-high voltage insulator according to the present invention Figure;
Fig. 2 is the preceding card for being used to change one embodiment of the general closed type fixture of extra-high voltage insulator according to the present invention Front view;
Fig. 3 is the preceding card for being used to change one embodiment of the general closed type fixture of extra-high voltage insulator according to the present invention Top view.
Fig. 4 is one embodiment for being used to change the general closed type fixture of extra-high voltage insulator according to the present invention in reality The schematic diagram of middle application;
Fig. 5 is the clamp force for being used to change one embodiment of the general closed type fixture of extra-high voltage insulator according to the present invention The decomposing schematic representation of device;
Fig. 6 is a kind of insulator acted on according to the general closed type fixture for being used to change extra-high voltage insulator of the present invention Schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Whole description, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Extra-high voltage refers to the AC and DC voltage of ± 800 kilovolts and the above, and extra-high voltage insulator refers to extra-high voltage electric transmission and transformation equipment On the large-tonnage insulator that largely uses, in the past traditional fixture is difficult to change the large-tonnage insulator.UHV transmission line With the lengthening of run time, the Ageing of Insulators, breakage, insulating properties decline the problems such as can progressively increase, existing various replacings The fixture of insulator can not handle such problem in time, it is impossible to meet the needs of existing extra-high voltage equipment service work, seriously Restrict and have impact on the normal development of the current work such as extra-high voltage electric transmission and transformation plant maintenance maintenance that put into operation.
Hereinafter the left and right, upper and lower of alleged "left", "right", " on ", " under " and accompanying drawing in itself is to consistent.It is " preceding End ", " rear end " or " end " etc. are accompanying drawing left and right in itself.
As shown in Fig. 1 to 5, the present invention provides a kind of general closed type fixture for being used to change extra-high voltage insulator, for one kind Closed type fixture, including:Preceding card 1, rear card 2 and clamp force device 3,4.Before clamp force device is arranged between card 1 and rear card 2, clamp force dress 3,4 both ends are put be connected with preceding card 1 and rear card 2 respectively, for card 1 before being adjusted when changing insulator and block afterwards between 2 away from From, and tightening force can be applied to preceding card 1 and rear card 2.
The quantity of clamp force device can be configured according to specific demand, for example, quantity can be 1,2,3 etc..Such as figure 2nd, shown in 3, the first bushing 15 is provided with preceding card 1, the second bushing, the first bushing 15 and the second bushing are provided with rear card Inner surface respectively with card 1 and blocking the steel cap profile of insulator in 2 afterwards before being clamped in and matching.
The structure of preceding card 1 and rear card 2 can set different bushings with identical according to specific insulator model.It is logical Cross and bushing is set in preceding card 1 and rear card 2, the fixture of the present invention can be made to be applied to the different model insulation of different transmission of electricity ranks Son.
In one embodiment, all it is embedded with magnet 20 in the first bushing 15 and the second bushing.For example, in the first bushing Two grooves are along the circumferential direction set on the bushing inwall of wall 15 and second and at equal intervals, magnet 20 is provided with groove.First lining Shape, the structure of the bushing of set 15 and second can also have difference with identical according to the profile of specific insulator.Magnet 20 Can be inhaled with the steel cap 20 of insulator and, prevent bushing from dropping in operation, raising security.
As shown in Figure 2,3, preceding card 1 includes:Lid 12 and first base 14 on first;One end of lid 12 and the first bottom on first One end of seat 14 is rotatably connected, and the other end of lid 12 is flexibly connected with the other end of first base 14 on first;First bushing 15 include the first left bushing and the first right bushing of semicircular.
Label 11 in Fig. 2 is the opening and closing place of the first bushing 15.Label 17 is opening between lid and first base on first At conjunction.The first upper half circle groove is provided with first on the lower surface of lid 14, the first lower semi-circular is provided with first base Groove.First left bushing and the first right bushing are separately positioned in the first upper half circle groove and the first lower semi-circular groove, and It is interference fitted respectively with the first upper half circle groove and the first lower semi-circular groove.Lid and first base on first are kept after installation Folding direction is vertical with the folding direction of the first left bushing and the first right bushing, i.e., the folding on first between lid and first base Place 17 is to be staggered with the opening and closing place of the first left bushing and the first right bushing 11, circumferentially-spaced 90 degree so that the first bushing is broken Disconnected power and lid and first base Fracture Force on first are orthogonal.
Preceding card 1 is identical with the structure of rear card 2, and rear card 2 includes:Lid and second base on second.One end for being covered on second with One end of second base is rotatably connected, and the other end covered on second is flexibly connected with the other end of second base;Second bushing The second left bushing and the second right bushing including semicircular.The second upper half circle groove is provided with the lower surface covered on second, The second lower semi-circular groove is provided with second base.Second left bushing and the second right bushing are separately positioned on the second upper half circle In groove and the second lower semi-circular groove, and it is interference fitted respectively with the second upper half circle groove and the second lower semi-circular groove. Covered on second the opening and closing place between second base with the opening and closing place of the second left bushing and the second right bushing to be staggered, circumferentially 90 degree of interval so that the first bushing Fracture Force and lid and first base Fracture Force on first are orthogonal.
Preceding card 1 includes:Bolt 16, bearing pin 13 and circlip;One end of lid 12 and one end of first base 14 on first Hinged by bearing pin 13, the other end of lid 12 is connected with the other end of first base 14 by bolt 16 on first, can Alignment pin 19 is set with the junction of the other end of lid 12 and the other end of first base 14 on first.Afterwards on the second of card 2 One end of lid and one end of second base by hinge together with, the other end and the other end of second base that are covered on second Connected by bolt with circlip.
Lid 12 on first, the material of lid and second base is carbon fibre composite etc. in first base 14, second, you can It can mitigate weight again to improve intensity.Carbon fibre composite can be a variety of, such as:By pre- in one layer of carbon fiber one-way Soak and one layer of two-way prepreg cloth of carbon fiber is laid above cloth, be fabricated to after being solidified with certain thickness carbon fiber composite Material.Shape according to forward and backward fixture prepares mould, using the carbon fibre composite in machining process diel, presses The order of brushing bonding agent, paving carbon fibre composite and the carbon fibre composite in diel back and forth successively glues pressure, directly To the fixture for being fabricated to carbon fibre composite.
In one embodiment, bolt 16, the material of bearing pin 13,19 are all high strength steel etc., the first left bushing, first right side The material of bushing, the second left bushing and the second right bushing is titanium alloy etc., can titanium alloy material stockline that preferably aviation is forged cut Cut and form.
In a real-time example, the forward and backward card being used to change in the general closed type fixture of extra-high voltage insulator of the invention Difference be only that neck bush is different, forward and backward card body is made by carbon fibre composite, and its weight substantially reduces, use Work high above the ground of the present invention is more convenient, and reduces operating personnel's labor intensity, improves operating efficiency.
Neck bush is designed with preceding card and rear card carbon fiber cavity, neck bush is made using titanium alloy, neck bush die cavity Match with porcelain insulator steel cap surface shape, magnet be designed with neck bush, when installing neck bush magnet it is adsorbable in On insulator steel cap, have the function that preliminary secure liner set, prevent the effect that neck bush drops in operation process.
It is diametrically bigger than carbon fiber cavity diameter outside the neck bush of forward and backward card so that neck bush during replacing insulator Without departing from jig body, while improve the stress distribution of carbon fiber fixture;The folding direction of neck bush and carbon fiber are forward and backward The folding direction of card is vertical each other, optimizes the overall stress of closed fixture, strengthens its load-carrying ability.It is various sizes of by designing Forward and backward card neck bush is the installation of applicable different model insulator, strengthens the versatility of closed fixture.In the forward and backward card of carbon fiber Left and right ear be respectively arranged with connecting hole, titanium alloy borehole jack is set in hole, strengthens the mechanical performance of fixture, improves high-altitude work Operability and security during industry.
In the maintenance of reality, as shown in figure 4, insulator 51,52 install respectively before card 1 and after block 2, with 2 sets of clamp forces dresses Put and connect preceding card 1, rear card 2, work high above the ground personnel are shifted by the machinery on maintenance insulator by tightening up clamp force device Load, the insulator that need to be changed is extractd by write off instrument, realizes the replacing and maintenance of monolithic insulator.Using two groups of clamp forces Wire tensioning device of the device as the closed type fixture, stroke demand during fixture installation was both met, and had reached insulator chain hightension again With the requirement of Job Operations portability.
Clamp force device includes:Mechanical leading screw and hydraulic gear.One end of mechanical leading screw and the one of hydraulic gear End connection, the other end of mechanical leading screw connect with preceding card, and the other end of hydraulic gear connects with rear card, passes through hydraulic drive Mechanism applies tightening force to mechanical lead screw, both ensure that installation or removal length is tediously long, the length of leading screw is shortened again, so as to drop The low weight of a whole set of fixture.
In one embodiment, when changing insulator, using double biographies of hydraulic gear and mechanical lead screw transmission mechanism Dynamic system progress insulator chain tightens up work, and the pre- of forward part long range Smaller load is realized using mechanical lead screw transmission mechanism Tightly, the big load of part short distance tightens up after being realized using hydraulic gear.
The general closed type fixture for being used to change extra-high voltage insulator of the present invention, combines hydraulic gear and screw mandrel passes The advantages of motivation structure, hydraulic gear can be significantly reduced by being used in mixed way hydraulic gear and mechanical lead screw transmission mechanism Effective travel, so as to reduce the length of hydraulic pump and weight, improve the convenience and operating efficiency of work high above the ground.The present invention's General closed type fixture for changing extra-high voltage insulator can separate in the not used time to be deposited, and is easy to the replacing between loss and dimension Shield.
As shown in Figure 4,5, the quantity of clamp force device is 2, and the both ends of 2 clamp force devices respectively with preceding card 1 and blocking 2 afterwards Left and right both ends connection.Mechanical leading screw includes:First leading screw 31, the second leading screw 33 and regulation pipe 32, and the first leading screw 31 and The thread rotary orientation of two leading screws 33 is opposite;The upper end of first leading screw 31 is fixedly connected with preceding card 1, the lower end of the second leading screw 33 and hydraulic pressure Transmission mechanism is fixedly connected, and the both ends of regulation pipe 32 are respectively fitted over the lower end of the first leading screw 31 and the upper end of the second leading screw 33, and And the screw thread with the first leading screw 31 and the rotatable engagement of the second leading screw 33 is provided with the inwall of regulation pipe 32.
Rotation pipe is set with the outer wall of regulation pipe 32, and mechanically actuated handle 41 is installed on rotation pipe.Hand is put Adjustment pipe 32 is driven to rotate on mechanically actuated handle 41, the first leading screw 31 and the second leading screw 33 move to opposite direction, so as to receive The insulator above and below the insulator changed tightly is needed, the insulator that needs are changed be in relaxed state, you can progress Change.
Hydraulic gear can have polytype, for example, being hydraulic jack 45.The lower end of second leading screw 33 and hydraulic oil The cylinder body of cylinder 45 is fixedly connected, and the expansion link 39 of hydraulic jack is fixedly connected with rear card 2.Hydraulic jack 45 also includes:Spring 34, Piston 42;Cylinder body is divided into upper hydraulic cavities 35, the two chambers of lower hydraulic pressure chamber 37 by piston 42, and spring 34 is located at upper hydraulic cavities 35 Interior, its length direction is consistent with the length direction of upper hydraulic cavities 35;The upper end of expansion link 39 is connected with piston 40, expansion link 39 Lower end passes through the bottom wall body of lower hydraulic pressure chamber 37, and is fixedly connected by termination 40 with rear card 2.In the base wall of lower hydraulic pressure chamber 37 Sealing ring is packed with the expansion link mounting hole of body.
Hydraulic jack includes:The hydraulic fluid chamber 44 of hydraulic operation handle 36 and first;Hydraulic operation handle 36 is arranged on cylinder body On, the hydraulic oil in first hydraulic fluid chamber 44 is pressed into lower hydraulic pressure chamber 37 by operation handle 36.Hydraulic jack includes:Unloading Check valve 38.Unload check valve 38 and connect the first hydraulic fluid chamber 44 and lower hydraulic pressure chamber 37;When unloading check valve 38 is opened and in bullet In the presence of spring 34, the pressure oil in lower hydraulic pressure chamber 37 is flowed into the first hydraulic fluid chamber 44 by unloading check valve 38.
The lower end of expansion link 39 is bolted through the bottom wall body of lower hydraulic pressure chamber with rear card, is set on rear card 2 There is bolt hole, bolt hole bushing is provided with bolt hole.The lower end of second leading screw 33 connects with the cylinder body screw thread of hydraulic jack 45 Connect.The upper end of first leading screw 31 is bolted by termination 30 and preceding card 1.As shown in Figure 2,3, it is preceding card 1 on set with The bolt hole that bolt coordinates, is provided with bolt hole bushing 18 in bolt hole.
Press-in liquid in the lower hydraulic pressure chamber 37 of cylinder body, liquid up jack piston 42, and piston 42 drives expansion link 39 upward Motion, plays a part of tension.Compression spring 34 while piston 42 moves upwards, when replacing insulator operation is completed, unloading Check valve 38 is opened, spring 34 reset by lower hydraulic pressure chamber 37 liquid extrude, be easy to use during more easily carry out more than Degree regulation, make maintainer easy to operate in the insulator on changing different insulative substring, reduce working strength
In one embodiment, spring 34 is provided with upper hydraulic cavities 35, when work is tightened up in hydraulic gear implementation The inside motion compresses spring 34 of piston 42, when replacing insulator operation is completed, stop liquid inputs to hydraulic cavities, single by operating To valve 38, spring 34, which resets, extrudes the liquid in lower hydraulic pressure chamber 37, realizes the automatic release of expansion link 39, avoids operating personnel Manual effort extracts expansion link 39, reduces operation labor intensity.Meanwhile spring 34 is built in high pressure pump housing can reduce hydraulic pressure Transmission mechanism entire length, increase the effective travel of hydraulic gear while its weight is reduced.
Mechanical lead screw transmission mechanism lower end is meshed together using trapezoidal thread with hydraulic gear upper end, can avoid making The phenomenon that screw mandrel can not be tightened up with torsion when handle assembly is shaken in industry occurs.Similarly, replacing clamp device of the invention Also support can be played a part of changing insulator.
The general closed type fixture for being used to change extra-high voltage insulator in above-described embodiment, preceding card and rear card are with high-strength Degree, material in light weight, on the one hand considerably reduce the weight of fixture main element, improve operation field instrument carry and The operating efficiency of high-altitude installation, on the other hand carries out replacing monolithic insulator in insulator chain finite structure space using fixture Operation becomes a reality, using clamp force device of two groups of hydraulic machinery built-up leadscrews as the closed fixture, when both having met fixture installation Stroke demand, solve the requirement of insulator chain hightension and Job Operations portability again.
The present invention provides a kind of general closed type fixture for being used to change extra-high voltage insulator used as above and change absolutely The method of edge, including:
Step 1, preceding card, rear card are passed to work high above the ground people by ground electrician successively by the transmission rope that insulate.
Step 2, work high above the ground personnel open the first bushing, and the magnet absorption on the first left bushing and the first right bushing is consolidated It is scheduled on the steel cap of the first insulator, closes the first bushing;Covered before opening on the first of card, the semicircle of lid lower surface on first Groove disposes the first left bushing, and the semicircle groove of first base upper surface disposes the first right bushing, and by bolt by first Upper lid and first base fastening, keep opening for lid and first base folding direction and the first left bushing and the first right bushing on first It is vertical to close direction so that the first bushing Fracture Force and lid and first base Fracture Force on first are orthogonal, the preceding overall stress of card It is more excellent.
Step 3, equipotential live line work personnel in high-altitude will open the second bushing, by the magnetic on the second left bushing and the second right bushing Body is absorbed and fixed on the steel cap of the second insulator, closes the second bushing, is covered before opening on the second of card, by lid lower end on second The semicircle groove in face is placed in the second left bushing and the semicircle groove of second base upper surface is placed on the second right bushing, And fastened lid on second and second base by bolt, keep lid and second base folding direction and the second left bushing on second It is vertical with the folding direction of the second right bushing so that the second bushing Fracture Force is hung down mutually with lid and second base Fracture Force on second Directly, it is more excellent to block overall stress afterwards.
Step 4, ground electrician is locked power apparatus in ground installation two, wherein, the both ends of regulation pipe are socketed in the respectively The lower end of one leading screw and the upper end of the second leading screw, the lower end of the second leading screw is connected with hydraulic jack tailing screw flight;Pass through insulation Transmit rope and two power apparatus that are locked are passed into high-altitude equipotential live line work personnel successively.
Step 5, high-altitude equipotential live line work personnel by two be locked power apparatus both ends respectively with it is preceding card and block afterwards left and right two End connection, wherein, the expansion link of hydraulic jack is bolted with rear card;The upper end of first leading screw is connected with preceding card by bolt Connect.
Step 6, high-altitude equipotential live line work personnel simultaneously operating two is locked the mechanically actuated handle of mechanical lead screw in power apparatus, Tighten up two sets of mechanical lead screws to insulator chain and be tentatively in tensioned state, then equipotential live line work personnel inspection in high-altitude confirms first Insulator and the second insulation are intact from part each with fixture installation connection.
Step 7, high-altitude equipotential live line work personnel simultaneously operating two is locked the hydraulic operation of hydraulic gear in power apparatus Handle, continue to tighten up two and be locked power apparatus, until being replaced insulation below the first insulator or above the second insulator Son loosens.
Step 8, work high above the ground personnel, which pull down, is replaced insulator and passes to ground electrician with insulation ropes.
Step 9, then the lifting of new insulator is passed to work high above the ground personnel. by ground electrician with insulation ropes
Step 10, after new insulator is arranged on the position replaced by high-altitude equipotential live line work personnel, two sets of clamp forces are first operated The hydraulic operation handle of device, adjust pine two to be locked power apparatus, then operate the two mechanically actuated handles for being locked power apparatus, until two sets Clamp force device is in the detachable state of relaxation.
Step 11, equipotential live line work personnel in high-altitude remove two and are locked power apparatus, preceding card and rear card successively, and by it with insulating Transmit rope and be transferred to ground.
Work high above the ground personnel and work director to have livewire work operation certification, operation when and electrical body and grounding body Distance should meet《Electric power safety working regulation (transmission line of electricity part)》Relevant requirement, work high above the ground personnel should wear a whole set of conjunction The screening clothing (cap, clothes, socks, conductive shoes) of lattice simultaneously uses qualified insulation ropes.
What is provided in above-described embodiment is used to change the general closed fixture of carbon fiber and its application method of extra-high voltage insulator, Improve the ability of the transmission line of electricity O&M such as extra-high voltage unit maintenance large-tonnage insulator.Ensure that closed fixture work load meets rule While journey safety requirements, the less preceding card of volume ratio and rear card have been made, it is ensured that in insulator chain confined space structure chi Very little interior scene smoothly installation;And considerably reduce it is preceding card, the weight of rear card single-piece, facilitate onsite moving, high-altitude installation and Dismounting, it is ensured that the practicality of closed fixture, improve the security of live work high above the ground.
What is provided in above-described embodiment is used to change the general closed fixture of carbon fiber and its application method of extra-high voltage insulator, Solve the route problem of clamp force device by hydraulic machinery built-up leadscrew, while decrease the length of hydraulic screw rod, so as to Overall weight is reduced, improves the security and practicality of a whole set of fixture high-altitude installation;On the other hand it is pre- by mechanical leading screw Tighten up the function distribution tightened up with hydraulic screw rod large-tonnage tension force, it is ensured that safe and reliable, easy to operate when tightening up or loosening.
What is provided in above-described embodiment is used to change the general closed fixture of carbon fiber and its application method of extra-high voltage insulator, The efficiency and security of service work are improved, and fixture is easy to onsite moving, lifting, is easy to warehouse storage keeping, energy again The labor intensity of work high above the ground personnel is effectively reduced, improves operating efficiency, its is easy to operate, easy to utilize.Change insulation It is sub quick and stablize, security is improved while rapid operation;The adjustable length of whole device, and can be suitably used for different length Replacing insulator.
Any technical scheme disclosed in the invention described above unless otherwise stated, if it discloses number range, then Disclosed number range is preferable number range, it is any it should be appreciated by those skilled in the art:Preferable number range The only obvious or representative numerical value of technique effect in many enforceable numerical value., can not because numerical value is more Exhaustion, so the present invention just discloses component values to illustrate technical scheme, also, the above-mentioned numerical value enumerated is not The limitation to the invention protection domain should be formed.
If limiting parts if the word such as " first ", " second " is used herein, those skilled in the art should This knows:The use of " first ", " second " is intended merely to facilitate in description and parts is distinguished as not having Stated otherwise Outside, above-mentioned word does not have special implication.
Meanwhile if the invention described above discloses or relate to the parts or structural member of connection fastened to each other, then, except another There is statement outer, be fixedly connected and can be understood as:(such as using bolt or mode connects for screw) can be releasably fixedly connected with, can also It is interpreted as:Non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other can also be integral type structure (such as being manufactured using casting technique is integrally formed) substitutes (substantially can not be using except integrally formed technique).
In addition, the art for being used to represent position relationship or shape applied in any technical scheme disclosed in the invention described above Its implication includes approximate with its, similar or close state or shape to language unless otherwise stated.Either component provided by the invention Both can be to be assembled by multiple individually parts, or the separate part that integrally formed technique manufactures. Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;Although with reference to compared with The present invention is described in detail good embodiment, those of ordinary skills in the art should understand that:Still can be to this The embodiment of invention is modified or carries out equivalent substitution to some technical characteristics;Without departing from the technology of the present invention side The spirit of case, it all should cover among the claimed technical scheme scope of the present invention.

Claims (7)

  1. A kind of 1. general closed type fixture for being used to change extra-high voltage insulator, it is characterised in that including:
    Preceding card, rear card and clamp force device;The clamp force device is arranged between the preceding card and the rear card, the clamp force device Both ends respectively with it is described it is preceding card and it is described after card connect, for adjusted when changing insulator it is described before block with it is described after block it Between distance, and can to it is described it is preceding card and it is described after card apply tightening force;The first bushing is provided with the preceding card, in institute The second bushing is provided with blocking after stating, the inner surface of first bushing and the second bushing is respectively with being clamped in the preceding card and institute The steel cap profile of insulator in blocking after stating matches;
    Two grooves, institute are along the circumferential direction set on the first bushing inwall and the second bushing inwall and at equal intervals State and magnet is provided with groove;
    Card includes before described:Lid and first base on first;The one end covered on described first and one end of first base are rotatable Connect, the other end covered on described first is flexibly connected with the other end of the first base;
    First bushing includes the first left bushing and the first right bushing of semicircular;Set on the lower surface covered on described first There is the first upper half circle groove, the first lower semi-circular groove is provided with the first base;The first left bushing is arranged on In first upper half circle groove and the first lower semi-circular groove, the first right bushing is arranged on the first upper half circle groove In the first lower semi-circular groove, the first left bushing and the first right bushing with the first upper half circle groove and The first lower semi-circular groove interference fit;Lid and first base folding direction and the first left bushing and the first right lining on first The folding direction of set is vertical;
    Card includes after described:Lid and second base on second;The one end covered on described second and one end of second base are rotatable Connect, the other end covered on described second is flexibly connected with the other end of the second base;
    Second bushing includes the second left bushing and the second right bushing of semicircular;Set on the lower surface covered on described second There is the second upper half circle groove, the second lower semi-circular groove is provided with the second base;The second left bushing is arranged on In second upper half circle groove and the second lower semi-circular groove, the second right bushing is arranged on the second upper half circle groove In the second lower semi-circular groove, the second left bushing and the second right bushing with the second upper half circle groove and The second lower semi-circular groove interference fit;Opening and closing place and the second left bushing and second on second between lid and second base The opening and closing place of right bushing is to be staggered;
    Lid on described first, the first base, the material of lid and the second base is carbon fiber composite on described second Material;It is diametrically bigger than carbon fiber cavity diameter outside the neck bush of forward and backward card;
    The first left bushing, the first right bushing, the material of the second left bushing and the second right bushing are that titanium closes Gold;
    The clamp force device includes:Mechanical leading screw and hydraulic gear;One end of the mechanical leading screw and the hydraulic drive The threaded one end connection of mechanism, the other end of the mechanical leading screw and the preceding card bolt connection, the hydraulic gear The other end connects with the rear card, is applied by the hydraulic gear and the mechanical leading screw to the preceding card and the rear card Add tightening force;
    The mechanical leading screw includes:First leading screw, the second leading screw and regulation pipe, and the screw thread of the first leading screw and the second leading screw revolves To opposite;The upper end of first leading screw is fixedly connected with the preceding card, lower end and the hydraulic drive of second leading screw Mechanism is fixedly connected, and the both ends of the regulation pipe are respectively fitted over the lower end of the first leading screw and the upper end of the second leading screw, and adjust The screw thread with the first leading screw and the second leading screw rotatable engagement is provided with the inwall of pipe;Rotation is set with the outer wall of the regulation pipe Tube, and mechanically actuated handle is installed on the rotation pipe;
    The hydraulic gear is hydraulic jack;The lower end of second leading screw and the cylinder body tailing screw flight of the hydraulic jack Connection, the expansion link of the hydraulic jack are fixedly connected with the rear card;
    The hydraulic jack also includes:Spring, piston;The cylinder body is divided into upper hydraulic cavities, lower hydraulic pressure chamber two by piston Chamber, spring are located at the upper hydraulic pressure intracavitary, and its length direction is consistent with the length direction of upper hydraulic cavities;The expansion link it is upper End is connected with the piston, and the lower end of the expansion link, which passes through the bottom wall body of the lower hydraulic pressure chamber and fixed with the rear card, to be connected Connect;
    The hydraulic jack also includes:Hydraulic operation handle and the first hydraulic fluid chamber;The hydraulic operation handle is arranged on cylinder body On, the hydraulic oil in first hydraulic fluid chamber is pressed into the lower hydraulic pressure chamber by the operation handle;
    The hydraulic jack also includes:Unload check valve;The unloading check valve connect first hydraulic fluid chamber and it is described under Hydraulic cavities;When the unloading check valve opening and in the presence of the hydraulic operation handle, in first hydraulic fluid chamber Pressure oil flows into lower hydraulic pressure chamber by the unloading check valve and promotes piston upwards and compression spring;Wherein, closing is passed through The unloading check valve keeps the pressure of pressure oil in first hydraulic fluid chamber;When the unloading check valve is opened and described In the presence of spring, the pressure oil in the lower hydraulic pressure chamber is flowed into the first hydraulic fluid chamber by the unloading check valve.
  2. 2. fixture as claimed in claim 1, it is characterised in that:
    Card and the rear card all include before described:Bolt, bearing pin and circlip;
    The one end covered on described first and one end of first base by the hinge together with, what is covered on described first is another One end is connected with the other end of the first base by the bolt and the circlip;
    The one end covered on described second and one end of second base by the hinge together with;What is covered on described second is another One end is connected with the other end of the second base by the bolt and the circlip;
    The bolt, the material of the bearing pin are all high strength steel.
  3. 3. fixture as claimed in claim 2, it is characterised in that:
    The quantity of the clamp force device is 2, the both ends of 2 clamp force devices respectively with the preceding card and it is described after block it is left and right Bolts at two ends connects.
  4. 4. fixture as claimed in claim 1, it is characterised in that:
    Sealing ring is packed with the expansion link mounting hole of the bottom wall body of lower hydraulic pressure chamber.
  5. 5. fixture as claimed in claim 1, it is characterised in that:
    The lower end of the expansion link is bolted through the bottom wall body of lower hydraulic pressure chamber with the rear card;
    Bolt hole is provided with card in the rear, titanium alloy bolt hole bushing is provided with the bolt hole;In the preceding card The bolt hole that upper setting coordinates with bolt, is provided with titanium alloy bolt hole bushing in the bolt hole.
  6. 6. fixture as claimed in claim 1, it is characterised in that:
    The upper end of first leading screw is bolted with the preceding card.
  7. 7. a kind of general closed type fixture for being used to change extra-high voltage insulator using such as claim 1 to 6 any one is carried out The method for changing insulator, it is characterised in that including:
    Preceding card, rear card are passed to work high above the ground people by ground electrician successively by the transmission rope that insulate, and work high above the ground personnel open First bushing, the magnet adsorption on the first left bushing and the first right bushing is fixed on the steel cap of the first insulator, closes institute State the first bushing;Open and covered on the first of the preceding card, by the first upper half circle groove placement first of lid lower surface on first Left bushing, the first lower semi-circular groove of first base upper surface dispose the first right bushing, and by bolt by described first Lid and first base fastening;Keep the opening and closing place on first between lid and first base and the first left bushing and the first right lining The opening and closing place of set is is staggered, circumferentially-spaced 90 degree so that the first bushing Fracture Force on described first with covering and described First base Fracture Force is orthogonal;
    High-altitude equipotential live line work personnel open the second bushing, and the magnet adsorption on the second left bushing and the second right bushing is fixed on On the steel cap of second insulator, close second bushing, open it is described after card second on cover, the of lid lower surface on second Two upper half circle grooves dispose the second left bushing, and the second lower semi-circular groove of second base upper surface disposes the second right bushing, And fastened lid on described second and the second base by bolt, keep the opening and closing place between lid and second base on second With the opening and closing place of the second left bushing and the second right bushing to be staggered, circumferentially-spaced 90 degree so that second bushing is disrumpent feelings Power and lid and the second base Fracture Force on described second are orthogonal;
    Ground electrician is locked power apparatus in ground installation two, wherein, the both ends of regulation pipe are socketed under the first leading screw respectively End and the upper end of the second leading screw, the lower end of the second leading screw is threadedly coupled with hydraulic jack;Rope is transmitted by two sets by insulating Clamp force device passes to work high above the ground personnel successively;
    The both ends that two are locked power apparatus are connected by work high above the ground personnel with the preceding card and the rear left and right both ends blocked respectively, Wherein, the expansion link of the hydraulic jack is bolted with the rear card;The upper end of first leading screw passes through with the preceding card Bolt connection;
    Work high above the ground personnel simultaneously operating two is locked the mechanically actuated handle of mechanical leading screw in power apparatus, tightens up two sets of machinery leading screws Tensioned state is tentatively in insulator chain, then work high above the ground personnel inspection confirms the first insulator and the second insulator and card It is intact to have each part installation connection;
    Work high above the ground personnel simultaneously operating two is locked the hydraulic operation handle of hydraulic gear in power apparatus, continues to tighten up two sets Clamp force device, until being replaced insulator loosening below the first insulator or above the second insulator;
    Work high above the ground personnel, which pull down, to be replaced insulator and passes to ground electrician with insulation ropes;Ground electrician is then with insulation Transmit rope and the lifting of new insulator is passed into work high above the ground personnel;
    New insulator is arranged on behind the position of replacement by work high above the ground personnel, first operates two machinery operators for being locked power apparatus Handle and hydraulic operation handle, adjust pine two to be locked power apparatus, then operate the two mechanically actuated handles for being locked power apparatus, until two are locked Power apparatus is in the detachable state of relaxation;
    Work high above the ground personnel remove two and are locked power apparatus, preceding card and rear card successively, and it is delivered into ground with insulation ropes.
CN201610657626.9A 2016-08-11 2016-08-11 A kind of general closed type fixture and its application method for being used to change extra-high voltage insulator Active CN106159796B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201610657626.9A CN106159796B (en) 2016-08-11 2016-08-11 A kind of general closed type fixture and its application method for being used to change extra-high voltage insulator
AU2017201903A AU2017201903B2 (en) 2016-08-11 2017-03-21 General closed type clamp means for replacing uhv insulators and use method thereof
AU2019203268A AU2019203268A1 (en) 2016-08-11 2019-05-09 General closed type clamp means for replacing uhv insulators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610657626.9A CN106159796B (en) 2016-08-11 2016-08-11 A kind of general closed type fixture and its application method for being used to change extra-high voltage insulator

Publications (2)

Publication Number Publication Date
CN106159796A CN106159796A (en) 2016-11-23
CN106159796B true CN106159796B (en) 2018-02-09

Family

ID=57330022

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610657626.9A Active CN106159796B (en) 2016-08-11 2016-08-11 A kind of general closed type fixture and its application method for being used to change extra-high voltage insulator

Country Status (2)

Country Link
CN (1) CN106159796B (en)
AU (2) AU2017201903B2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107171241B (en) * 2017-03-29 2018-12-04 国网浙江省电力公司金华供电公司 A kind of replacement extra high voltage line strain insulator complexes
CN107147035A (en) * 2017-06-09 2017-09-08 国网辽宁省电力有限公司朝阳供电公司 A kind of transmission line of electricity self-destruction replacing insulator General clamping and its application method
CN107069559B (en) * 2017-06-15 2019-02-05 如皋市同泰电力器材有限公司 A kind of composite insulator metal universal fixture
CN108173165A (en) * 2018-02-06 2018-06-15 江苏省送变电有限公司 Carbon fiber monolithic insulator replacement fixture
CN110277745A (en) * 2019-05-28 2019-09-24 金华送变电工程有限公司 A kind of general replacement tool of self-destruction glass insulator
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
CN111697491A (en) * 2020-05-27 2020-09-22 国网河北省电力有限公司邢台供电分公司 Single insulator staple bolt of acting as go-between
CN112217134B (en) * 2020-09-11 2023-07-11 国网浙江绍兴市上虞区供电有限公司 Cleaning head adjusting and positioning structure of transmission line cleaning device
CN113363866A (en) * 2021-06-16 2021-09-07 国网山西省电力公司检修分公司 Chest expander for replacing insulator of extra-high voltage line
CN115319688B (en) * 2021-09-15 2024-04-16 中国长江电力股份有限公司 Method for replacing built-in rubber gasket of welding type gas insulation circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201122809Y (en) * 2007-11-30 2008-09-24 甘肃省电力公司兰州超高压输变电公司 Inner lining of barrel-type steel cap disk type electrical insulator clamp apparatus
CN201126942Y (en) * 2007-12-18 2008-10-01 西北电网有限公司 Chucking tools clamping apparatus for altering middle single-slice insulator for 750kV circuit with electrification
CN202050190U (en) * 2011-03-24 2011-11-23 宁夏电力公司吴忠供电局 Combined type insulator-replacing clamping tool
CN102290167B (en) * 2011-06-24 2012-10-31 四川省电力公司西昌电业局 Tension insulator string snow guard
CN203367880U (en) * 2013-07-31 2013-12-25 国家电网公司 760kN disk-shaped insulator holder

Also Published As

Publication number Publication date
AU2017201903B2 (en) 2019-05-23
AU2017201903A1 (en) 2018-03-01
AU2019203268A1 (en) 2019-05-30
CN106159796A (en) 2016-11-23

Similar Documents

Publication Publication Date Title
CN106159796B (en) A kind of general closed type fixture and its application method for being used to change extra-high voltage insulator
WO2012088987A1 (en) Maintenance tool for insulator of direct current transmission line
CN103490363B (en) Rapid Direct-current deicing short circuit device of electric transmission line
CN110943309B (en) High-voltage cable power-off and wiring integrated device
CN206116998U (en) A general closed fixture for changing special high voltage insulator
CN105914646A (en) Live-line working method for replacing 35kV strain insulator strings
CN207542675U (en) A kind of high tension electric tower bird-scaring unit erecting device
CN201319488Y (en) Antiskid conductor spacer
CN105788989B (en) A kind of fuse switch more changing device
CN201126944Y (en) Chucking tools clamping apparatus for altering cross-arm-end insulator for 750kV circuit with electrification
CN203367880U (en) 760kN disk-shaped insulator holder
CN106033872A (en) Tool for equipotential replacement of single-joint double-flexible bus tension insulator
CN201126943Y (en) Chucking tools clamping apparatus for altering conductor-end insulator for 750kV circuit with electrification
CN204793844U (en) Change promotion instrument of single wire insulator of 110kV with electricity
CN203039292U (en) Clamping device for replacing linear double-string synthetic insulators of 750-kilovolt power transmission line
CN113690795B (en) 220 kilovolt transmission line wire repairing device
CN204205413U (en) A kind of link rod of Electrified fastening screw
CN209448390U (en) A kind of transmission pressure for deicer is from clamping structure
CN105790158B (en) Charged for replacement 35kV strain insulator string specific purpose tools
CN209434737U (en) Ultra-high-tension power transmission line electric hydraulic fixture
CN206099159U (en) Electrified fixture of changing two clusters of straight line or two cluster insulators of strain insulator
CN205724648U (en) A kind of charged for replacement 35kV strain insulator string specific purpose tool
CN206947566U (en) What a kind of insulated conductor earth potential live T bonding tools used screws bar
CN205141532U (en) Lead ground wire defroster
CN203721474U (en) Transformer high-voltage bushing lead coupling device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 410100 No. 8 Lixiangzhong Road, Changsha Economic Development Zone, Hunan Province

Co-patentee after: STATE GRID HUNAN ELECTRIC POWER Co.,Ltd.

Patentee after: THE LIVE WORKING CENTER OF HUNAN ELECTRIC POWER Corp.

Co-patentee after: STATE GRID CORPORATION OF CHINA

Co-patentee after: HUNAN PEACE PROSPERITY ELECTRIC Ltd.

Address before: 410100 No. 8 Lixiangzhong Road, Changsha Economic Development Zone, Hunan Province

Co-patentee before: STATE GRID HUNAN ELECTRIC POWER Co.

Patentee before: THE LIVE WORKING CENTER OF HUNAN ELECTRIC POWER Corp.

Co-patentee before: State Grid Corporation of China

Co-patentee before: HUNAN PEACE PROSPERITY ELECTRIC Ltd.

CP01 Change in the name or title of a patent holder
TR01 Transfer of patent right

Effective date of registration: 20190318

Address after: 410004 Xiangchaoyuan Experimental Building, 339 Xinshaodong Road, Tianxin District, Changsha City, Hunan Province

Co-patentee after: STATE GRID HUNAN ELECTRIC POWER Co.,Ltd.

Patentee after: STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED, MAINTENANCE Co.

Co-patentee after: STATE GRID CORPORATION OF CHINA

Address before: 410100 No. 8 Lixiangzhong Road, Changsha Economic Development Zone, Hunan Province

Co-patentee before: STATE GRID HUNAN ELECTRIC POWER Co.,Ltd.

Patentee before: THE LIVE WORKING CENTER OF HUNAN ELECTRIC POWER Corp.

Co-patentee before: STATE GRID CORPORATION OF CHINA

Co-patentee before: HUNAN PEACE PROSPERITY ELECTRIC Ltd.

TR01 Transfer of patent right