CN105345636A

CN105345636A - Hydraulic overhead wire derusting device

Info

Publication number: CN105345636A
Application number: CN201510880824.7A
Authority: CN
Inventors: 耿葵花; 王潇; 覃海英; 马小波; 李岩舟
Original assignee: Guangxi University
Current assignee: Guangxi University
Priority date: 2015-12-04
Filing date: 2015-12-04
Publication date: 2016-02-24
Anticipated expiration: 2035-12-04
Also published as: CN105345636B

Abstract

The invention discloses a hydraulic overhead wire derusting device. A handle assembly of the device is combined with the operating rod end of overhead wiring pliers. Part of components such as a derusting block and a hydraulic cylinder are combined with a jaw of the overhead wiring pliers. An operator can remove a surface oxide layer in a high-voltage wire testing contact position simply by clenching and loosening the handle repeatedly several times by means of the reversing function of hydraulic counterforce. The hydraulic overhead wire derusting device can be combined with various different types of overhead wiring pliers to be used. The problems that an existing overhead wiring test device having the function of removing a surface oxide layer of a high-voltage wire is poor in effect, complicated in operation and poor in universality are solved. The hydraulic overhead wire derusting device has the characteristics of being easy to operate, good in oxide layer removing affect and high in universality.

Description

A kind of fluid pressure type high altitude wire derusting device

Technical field

The present invention relates to the special inspecting equipment in power test field, specifically a kind of fluid pressure type high altitude wire derusting device, coordinate special high altitude wire wiring fixture to use, be specifically designed to the oxide layer dispelling conductive line surfaces, for test or maintenance electric equipment do early-stage preparations.

Background technology

High-altitude wiring testing equipment is that power department carries out preventive trial and repair based on condition of component tests the one necessity equipment used, the high-altitude being mainly used in carrying out the electric equipments such as contact resistance, loop resistance, PT CT dielectric loss and capacitance test connects electric test and detection, its objective is the first-hand real time data information obtaining POWER SYSTEM STATE parameter.The working environment of high-altitude wiring testing equipment is complicated, testing location is generally field, is the environment of about 8.5 meters apart from ground level, and China's overwhelming majority region is subtropical climate, be attended by stronger monsoon throughout the year, thus make high-voltage line produce randomness wave disturbed test work, therefore, affect the many factors of test data accuracy, and there is the characteristic of Stochastic sum various factors coupling.

Tradition high-altitude wiring testing equipment mostly is the overhead jointing clamp of Purely mechanical, and the closed manners of its jaw has assembly pulley formula, feed screw nut pair formula and spring etc.There is a common shortcoming in existing high-altitude wiring device---and complicated operation and the surface oxide layer can not effectively dispelled on high-voltage line, cause test data to there is comparatively big error, affect test result.

Therefore, a key of high-altitude wiring technology is to develop the surface oxide layer device effective and simple to operate of dispelling high-voltage line test contact position, and this current faced difficult problem just.

Summary of the invention

The object of this invention is to provide a kind of fluid pressure type high altitude wire derusting device, can with various dissimilar overhead jointing clamp binding clip with the use of, reach the effect well removing wire oxide layer, realize the object that high-voltage line test point surface oxide layer is dispelled in ground handling operator's operated from a distance, have simple to operate, dispel that oxide layer is effective, the feature of highly versatile.

In order to achieve the above object, the technical scheme that the present invention takes is: a kind of fluid pressure type high altitude wire derusting device, comprise handle assembly, hydraulic tube, three-way connection, hydraulic cylinder, piston rod, connecting rod, gear pin, except scale crust and back-moving spring.Concrete structure and annexation are:

Described handle assembly forms lid by body, hand handle, piston and hand, and piston coaxial is arranged in cylindric for the stairstepping of body inside hydraulic cavities, and hand handle is connected through the hinge with body, and hand props up piston rear end small end; Described three-way connection connects one end of three hydraulic tubes respectively, the other end of a hydraulic tube connect handle assembly body hydraulic fluid port, the other end of two hydraulic tubes is connected respectively to two hydraulic cylinders; Two hydraulic cylinders to be separately fixed at inside the upper jaw of overhead jointing clamp and lower jaw and can to move with jaw; Two piston rods are coaxially arranged in two hydraulic cylinders respectively; Connecting rod one end and piston rod hinged, the other end and gear pin hinged; Being arranged on respectively in the upper jaw of overhead jointing clamp and the groove of lower jaw by bearing pin except scale crust and can slidably reciprocating along groove, back-moving spring is arranged on groove outer end and respectively except between scale crust.

Described connecting rod two ends respectively with piston rod and except scale crust hinged.

Described handle assembly is fixed on the action bars lower end of overhead jointing clamp.

Described hydraulic cylinder is combined with the jaw of overhead jointing clamp and can moves with jaw.

Described handle assembly is full of hydraulic oil by body hydraulic cavities, hydraulic tube, three-way connection and hydraulic cylinder, and hydraulic oil is sent to hydraulic cylinder by hand handle.

The present invention is compared with the device for removing oxide layer of dispelling of existing overhead jointing clamp, and its remarkable result is:

1. this device can be combined from various different overhead jointing clamp, highly versatile, convenient disassembly.

2. adopt hydraulic mechanism to realize dispelling the surface oxide layer of high-voltage line test point, respond well.

3. utilize hydraulic pressure to the commutation effect of power, long-range conveying effect and amplification, operating personnel only need repeat clutch and loosen hand reaching the object effectively dispelling oxide layer for several times, simple to operate laborsaving.

Accompanying drawing explanation

Fig. 1 is the structural representation of fluid pressure type high altitude wire derusting device of the present invention.

Fig. 2 is the structural representation that fluid pressure type high altitude wire derusting device of the present invention combines with overhead jointing clamp.

Fig. 3 is the sectional structure schematic diagram of the handle assembly of fluid pressure type high altitude wire derusting device of the present invention.

Fig. 4 is the structural representation of the piston rod of fluid pressure type high altitude wire derusting device of the present invention.

Fig. 5 is the structural representation of the connecting rod of fluid pressure type high altitude wire derusting device of the present invention.

Fig. 6 is the structural representation except scale crust of fluid pressure type high altitude wire derusting device of the present invention.

Fig. 7 is the part-structure schematic diagram of the upper jaw on the overhead jointing clamp that combines with fluid pressure type high altitude wire derusting device of the present invention.

Fig. 8 is the part-structure schematic diagram of the lower jaw on the overhead jointing clamp that combines with fluid pressure type high altitude wire derusting device of the present invention.

Be labeled as in figure: hand 1, body lid 2, body 3, hydraulic tube 4, three-way connection 5, hydraulic tube 6, hydraulic tube 7, hydraulic cylinder 8, hydraulic cylinder 9, piston rod 10, connecting rod 11, gear pin 12, except scale crust 13, bearing pin 13, back-moving spring 14, jointing clamp upper jaw 15, jointing clamp lower jaw 16, jointing clamp base bar 17, jointing clamp action bars 18, piston 19.

Detailed description of the invention

Below in conjunction with accompanying drawing, technical scheme of the present invention is further described.

As shown in Figures 1 to 8, fluid pressure type high altitude wire derusting device of the present invention, comprise handle assembly, the first hydraulic tube 4, three-way connection 5, second hydraulic tube 6, the 3rd hydraulic tube 7, first hydraulic cylinder 8, second hydraulic cylinder 9, piston rod 10, connecting rod 11, gear pin 12, except scale crust 13 and back-moving spring 14.Concrete structure and annexation are:

Described handle assembly by hand 1, hand lid 2, body 3 and piston 19 are formed, piston 19 is coaxially arranged in the cylindric hydraulic cavities of stairstepping body 3 inside, and hand is 1 and body 3 is connected through the hinge, and hand props up piston 19 rear end 1 small end;

Described three-way connection 5 connects one end of the first hydraulic tube 4, second hydraulic tube 6 and the 3rd hydraulic tube 7 respectively, the other end of the first hydraulic tube 4 connect handle assembly body hydraulic fluid port, the other end of the second hydraulic tube 6 is connected to the first hydraulic cylinder 8; The other end of the 3rd hydraulic tube 7 is connected to the second hydraulic cylinder 9; Second hydraulic cylinder 9 and the first hydraulic cylinder 8 to be separately fixed at inside the upper jaw 15 of overhead jointing clamp and lower jaw 16 and can to move with jaw; The upper jaw 15 of described overhead jointing clamp and lower jaw 16 are connected on jointing clamp base bar 17; Jointing clamp base bar 17 lower end is fixed on jointing clamp action bars 18 upper end; Two to be arranged on respectively in the upper jaw 15 of overhead jointing clamp and the groove of lower jaw 16 by gear pin 12 except scale crust 13 and can to slidably reciprocate along groove, and two back-moving springs 14 are arranged on groove outer end and respectively except between scale crust 13; Two piston rods 10 are coaxially arranged on the first hydraulic cylinder 8 and the second hydraulic cylinder 9 li respectively; Two connecting rod 11 one end and piston rod 10 hinged, the other end and gear pin 12 hinged.

The described surface layer except scale crust 13 contacts with high-voltage line to be measured adopt wear-resisting, conduct electricity, have the material of grinding performance and surface texture.

Operation principle and process:

This device before use, need be assembled on selected overhead jointing clamp, combinationally use, and handle assembly is combined with action bars 18 lower end of overhead jointing clamp, and two covers are combined with the upper jaw 15 of overhead jointing clamp and lower jaw 16 respectively except scale crust 13 and hydraulic cylinder.

During work, when overhead jointing clamp upper jaw 15, lower jaw 16 is by after high altitude wire clamping to be measured, operating personnel clutch hand 1, promote hydraulic oil and flow through hydraulic tube 4 successively, three-way connection 5, and punish into two-way at three-way connection 5, one road flows through the second hydraulic tube 6 and arrives the first hydraulic cylinder 8, another road flows through the 3rd hydraulic tube 7 and arrives the second hydraulic cylinder 9, piston rod 10 is forced to promote connecting rod 11 hinged with it, then promoting gear pin 12 drives except scale crust 13 slides outward along the chute of the upper jaw 15 of overhead jointing clamp and lower jaw 16 li together, except scale crust 13 realizes the surface oxide layer cutting contact position on high-voltage line to be measured in sliding process.

When operating personnel decontrol hand 1, under the effect of back-moving spring 14, this device returns to original state.Operate and so forth for several times, the surface oxide layer of dispelling high altitude wire test contact position can be realized.

Claims

1. a fluid pressure type high altitude wire derusting device, comprise handle assembly, hydraulic tube, three-way connection, hydraulic cylinder, piston rod, connecting rod, gear pin, except scale crust and back-moving spring, it is characterized in that, concrete structure and annexation are: described handle assembly is by body, hand handle, piston and hand are lid composition, described piston coaxial is arranged in cylindric for the stairstepping of body inside hydraulic cavities, hand handle is connected through the hinge with body, hand props up piston rear end small end, described three-way connection connects one end of three hydraulic tubes respectively, article one, hydraulic tube the other end connect handle assembly body hydraulic fluid port, article two, the other end of hydraulic tube is connected respectively to two hydraulic cylinders, two hydraulic cylinders to be separately fixed at inside the upper jaw of overhead jointing clamp and lower jaw and can to move with jaw, described piston rod is coaxially arranged in two hydraulic cylinders, described connecting rod one end and piston rod hinged, the other end and gear pin hinged, to be arranged in the upper jaw of overhead jointing clamp and the groove of lower jaw by bearing pin except scale crust and can to slidably reciprocate along groove, back-moving spring is arranged on groove outer end respectively and removes between scale crust,

Described handle assembly is arranged on the hydraulic cylinder overhead jointing clamp jaw beyond hydraulic oil is pushed to several meters by hydraulic tube bottom the control stick of overhead jointing clamp, promote the piston rod in hydraulic cylinder again, strike off conductive line surfaces oxide layer except scale crust is reciprocating under the effect of piston rod and back-moving spring, reach rust cleaning object.

2. a kind of fluid pressure type high altitude wire derusting device according to claim 1, is characterized in that: described connecting rod two ends respectively with piston rod and except scale crust hinged.

3. a kind of fluid pressure type high altitude wire derusting device according to claim 1, is characterized in that: described handle assembly is fixed on the action bars lower end of overhead jointing clamp.

4. a kind of fluid pressure type high altitude wire derusting device according to claim 1, is characterized in that: described hydraulic cylinder is combined with the jaw of overhead jointing clamp and can moves with jaw.

5. a kind of fluid pressure type high altitude wire derusting device according to claim 1, is characterized in that: described handle assembly is full of hydraulic oil by body hydraulic cavities, hydraulic tube, three-way connection and hydraulic cylinder, and hydraulic oil is sent to hydraulic cylinder by hand handle.