The insulator jig
Technical field
The utility model relates to a kind of instrument to high voltage power transmission and transforming circuit upper erengy band charged renewal insulator, relates to a kind of tubular insulator jig specifically.
Background technology
In recent years, development along with power grid construction, the power equipment of the different model that a large amount of different power equipment manufacturer produces puts into operation on electrical network, the extensive application of the tubular steel disk type insulator that especially newly-built ultra-high-tension power transmission line uses, the traditional common enclosed jig of Shi Yonging can't be changed this model insulator in the past, and (on the market) is used always both at home and abroad.Restriction and influenced to high pressure defeated become, electric equipment is constructed, normally the carrying out of maintenance and maintenance work.In order to guarantee normally carrying out of the maintenance of power generation or supply enterprise high-tension power transmission and transformation equipment, maintenance work, the reliability and the continuity of economic all departments electricity consumptions that ensured industrial and agricultural production and state in time eliminated the defective that insulator exists in the high-tension power transmission and transformation equipment.China's utility application number is 200720306817.7, denomination of invention is " a tubular steel disk type insulator jig ", the essence of this utility model is on the basis of traditional jig, traditional enclosed jig is carried out split, is the preceding card two wing body portion of jig preceding card main body and preceding card separate type liner two parts, is the back card two wing body portion of jig back card main body and back card separate type liner two parts, just before traditional enclosed jig, before having installed additional on the card two wing main bodys of back, back card separate type liner, before tradition enclosed jig is, before back card two wing main body underdress and the direct obvolvent of insulator, the utility model be, back card separate type liner and the direct obvolvent of insulator; And preceding card stress point adopted wing main body ladder stress form, the preceding card jig liner that cooperates different model, back card stress point adopts back card liner ladder stress form, make stressed aftercrimp between forward and backward card two wing main bodys and the forward and backward card separate type liner by the closed bolt of jig, the two integral body is combined closely, tubular steel disk type insulator is changed.This utility model is compared tool with traditional jig and is had greatly improved, can use a kind of jig main body of pattern, shape fabricating according to the tubular steel disk type insulator of different model and different manufacturers production becomes corresponding liner, just can change, but the utility model is forward and backward card separate type liner and the direct obvolvent of insulator the tubular steel disk type insulator of different model and different manufacturers production; And preceding card stress point adopted wing main body ladder stress form, and wing relatively main body ladder is stressed bigger, and the wing main body of preceding card is fragile, and front and rear card separate type liner is thicker, and the source material that uses in the manufacturing process is more.
Summary of the invention
The purpose of this utility model just is to overcome above-mentioned deficiency the insulator that a kind of working life is long and cost is low jig is provided.
The technical solution of the utility model is:
A kind of insulator jig, card two wing main bodys before comprising, back card two wing main bodys, connecting rod and jig wire grip, the stressed ladder of card main body before preceding card two wing main body underdress front ends are provided with, card separate type liner before be equipped with at preceding card two wing main body underdress places, preceding card separate type liner front end and the stressed ladder of described preceding card main body fit, the outer surface of preceding card separate type liner and the surface of described two shape main body underdress fit, back card separate type liner is equipped with at the described two wing main body underdress places that block, back card separate type liner front end is provided with the stressed ladder of back card liner, back card two wing body front end and the stressed ladder of described back card liner fit, the outer surface of described back card separate type liner and the surface of described back card two wing main body underdress fit, between preceding card separate type liner and preceding card two wing main bodys, pressure ring is set, between back card separate type liner and back card two wing main bodys, establishes gasket ring.
Above-mentioned insulator jig, correspondence position all is fixed with strong magnets on the faying face of described preceding card liner.
Above-mentioned insulator jig is established gasket ring between preceding card separate type liner and back card two wing main bodys.
Above-mentioned insulator jig, the high density rubber cushion is equipped with in described preceding card separate type liner rear end.
The utility model is because employing is established gasket ring between back card separate type liner and back card two wing main bodys, when forward and backward card separate type liner and the direct obvolvent of insulator, it is stressed that preceding card stress point is delivered to wing main body ladder again by gasket ring, wing comparatively speaking main body ladder is stressed less, thereby prolonged the useful life of wing main body, and between the corresponding forward and backward card both wings main body of forward and backward card separate type liner, gasket ring is set all, forward and backward like this card separate type liner just can be made thinnerly, has reduced cost of manufacture.The utility model uses a kind of jig main body of pattern, shape fabricating according to the tubular steel disk type insulator of different model and different manufacturers production becomes corresponding pressure ring, gasket ring and liner, just can change the tubular steel disk type insulator of different model and different manufacturers production, realization reaches one card for multiple uses, the jig pressure ring, gasket ring and the liner that cooperate different model, the purpose that multiple tubular steel cap insulator is changed.The utility model is safe in utilization, light, flexible, and cost is lower, can reduce the production cost of each power supply, capital construction unit.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Embodiment
Insulator jig as shown in drawings, card two wing main bodys before comprising, back card two wing main bodys, connecting rod 12 and jig wire grip 5, the stressed ladder 8 of card main body before preceding card two wing main body 9 underdress front ends are provided with, card separate type liner 6 before be equipped with at preceding card two wing main bodys 9 underdress places, preceding card separate type liner 6 front ends and the stressed ladder 8 of described preceding card main body fit, the outer surface of preceding card separate type liner 6 and the surface of described two shape main bodys, 9 underdress fit, back card separate type liner 3 is equipped with at described two wing main bodys, the 1 underdress place that blocks, back card separate type liner 3 front ends are provided with the stressed ladder 4 of back card liner, back card two wing main body 1 front ends and the stressed ladder 4 of described back card liner fit, the outer surface of described back card separate type liner 3 and the surface of described back card two wing main body 1 underdress fit, between preceding card separate type liner 6 and preceding card two wing main bodys 8, pressure ring 14 is set, between back card separate type liner 3 and back card two wing main bodys 1, establish gasket ring 13, correspondence position all is fixed with strong magnets 10 on the faying face of described preceding card liner, establish gasket ring 15 between preceding card separate type liner 6 and back card two wing main bodys 9, high density rubber cushion 11 is equipped with in described preceding card separate type liner 6 rear ends.
Operation principle of the present utility model is as follows: the utility model is forward and backward card separate type liner and the direct obvolvent of insulator; Model according to insulator, the pressure ring that selection matches, gasket ring and liner, it is stressed that preceding card stress point passes to wing main body ladder by pressure ring, back card stress point adopts back card liner ladder stress form, make stressed aftercrimp between forward and backward card two wing main bodys and the forward and backward card separate type liner by the closed bolt of jig, the two integral body is combined closely, tubular steel disk type insulator is changed.