The method of Electrified fastening hammer for preventing conductor from vibration bolt
Technical field:
The present invention relates to a kind of method of Electrified fastening hammer for preventing conductor from vibration bolt.
Background technology:
Hammer for preventing conductor from vibration is one of important protective hardware of transmission line, and main effect avoids wire not to be subject to vibrating by wind the damage caused in running.Require to install according to defined after the installation of hammer for preventing conductor from vibration is all through calculating, its antihunt action is not just had once stockbridge damper generation slip positioning, the vibration of wire is made constantly to be sent to hitch point i.e. the suspension clamp place of wire, finally cause wire to produce metal fatigue, and wire strand breakage line-outage contingency occurs.
Continue to prevent hammer for preventing conductor from vibration slip positioning occurs, first to reset to the stockbridge damper of positioning in maintenance process, then will tighten up the stockbridge damper of non-positioning, be all generally that combined circuit power failure chance establishment officer carries out surprise and tightens up.But it is the low-down work of a large operating efficiency of labour intensity that stockbridge damper tightens up in circuit service work, to hang on after operating personnel's rod-rising tower and hang up properly rope ladder or vertical ladder, then on wire under, wire hangs up properly coaster again, to coaster, slide into stockbridge damper place, side under personnel carries out fastening, carries out fastening under then returning upper conductor to opposite side.Be with the many inefficiencys of Work tool four people group within one day, to complete at most the fastening work of 3-4 base.
Summary of the invention:
For overcoming the defect of prior art, the object of the present invention is to provide a kind of method of Electrified fastening hammer for preventing conductor from vibration bolt, to improve processing safety, increase work efficiency, by indirect live working method (earth potential working), to carry out fastening with insulating bar, fastener to stockbridge damper set bolt by operating personnel on shaft tower.
Technical solution problem of the present invention adopts following technical scheme:
The method of Electrified fastening hammer for preventing conductor from vibration bolt, adopt bolt tightener to carry out fastening to described wire stockbridge damper bolt, described fastener comprises:
Front end is provided with the ratchet spanner of ratchet carriage, and the handle of described ratchet spanner is provided with strip groove along its length;
The slide block that can slide along the groove on described handle, described slide block is provided with locking member can by described slider locking on handle, and the end of described locking member connects with action bars; Described locking member comprises: the boring nut being fixed on described slide block lower end, the fastening bolt coordinated with described snail box thread, the upper end of described fastening bolt extend into described slide block inner chamber can with the wall contacts of described handle, the lower end of fastening bolt is provided with cross clamping groove and connects with action bars;
Described slide block is socketed on the handle of described ratchet spanner with the inner chamber of its hollow, and slide block is provided with the caging bolt passed in described groove;
The fastening of hammer for preventing conductor from vibration bolt is carried out according to the following steps:
1) on bar, operating personnel carries bolt tightener and enters cross-arm position, by Ground Operation personnel with insulation transmit rope action bars passed to be in cross-arm position bar on operating personnel, on bar, fastener and action bars are carried out positive connection by operating personnel, determine that the direction adjusting knob on ratchet carriage is in tram;
2) on bar, square slider is drawn the position near ratchet carriage by operating personnel, tightens fixing square slider, delivers to stockbridge damper bolt position by action bars, ratchet carriage is inserted in stockbridge damper nut by fastening bolt;
3) slide block is moved to the groove afterbody of ratchet spanner by rotating operation bar screwed tightening fixing bolt, then promotes action bars back and forth along line direction and ratchet spanner is swung, and ratchet carriage and stockbridge damper bolt link and rotate, and realize the object of stockbridge damper bolted.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, whether fastening work is not subject to the time and has a power failure to affect.
2, single, double time circuit homework of 110 kilovolt of-220 KV transmission line is applicable to.
3, reduce operating personnel's labour intensity, reduce human users's fault rate, improve the fail safe of operating personnel and equipment.After operating personnel's rod-rising tower is in place, carry out fastening work with regard to ratchet wheel tensioner on available action bar.
4, Work tool reduces, without lower wire operation, and several times of can increasing work efficiency.
Accompanying drawing illustrates:
Fig. 1,2 is front view, the vertical view of ratchet spanner of the present invention; Fig. 3 is that in the present invention, slide block and locking member thereof are socketed on the front view on pinch bar, and Fig. 4 is the right view of slide block and locking member thereof in Fig. 3; Fig. 5 is the process chart that action bars coordinates with fastener.
Number in the figure: 1 ratchet carriage, 2 grooves, 3 slide blocks, 4 fastening bolts, 5 caging bolts, 6 boring nuts, 7 action bars.
Below by way of embodiment, and the invention will be further described by reference to the accompanying drawings.
Embodiment:
Embodiment: composition graphs 1-5, stockbridge damper bolt tightener, it comprises:
Ratchet spanner, its front end is provided with ratchet carriage 1, the handle of ratchet spanner is provided with strip groove 2 along its length, slide block 3 is socketed on the handle of ratchet spanner by the inner chamber of its hollow and also can slides on handle, in order to carry out spacing to the sliding stroke of slide block, anti-limited slip block comes off from handle, and slide block 3 is provided with the caging bolt 5 passed in groove 2.
In order to slide block being locked on the handle of ratchet spanner, boring nut 6 is fixedly connected with in the lower end of slide block 3, fastening bolt 4 coordinates with snail box thread, the upper end of fastening bolt extend into slide block 3 inner chamber can with the wall contacts of handle, the lower end of fastening bolt is provided with cross clamping groove and connects with action bars 7.
The object that slide block can slide on the handle of ratchet spanner is, in fastener cycle, the handle of ratchet spanner is more long more laborsaving, but to be fixed on action bars unstable again for ratchet spanner handle rear end after reaching certain length, operating personnel is difficult to be entangled by stockbridge damper nut with the ratchet carriage of front end, therefore a strip groove to be outputed on the handle of ratchet spanner, before ratchet carriage is inserted in stockbridge damper nut, the position of slide block is comparatively near ratchet carriage one end, after being inserted in, can by skid to the end of ratchet spanner handle, to increase moment during rotation.
The fastening of hammer for preventing conductor from vibration bolt is carried out according to the following steps:
Preparation under shaft tower: check waistband, step on bar instrument, personal protection apparatus is well complete, correctly wear; Check that shaft tower root is firm.
1) on bar, operating personnel carries bolt tightener, bar is stepped in transmission rope (be made up of becket bridle, single-sheaved block, band clasp insulation ropes, insulation ropes penetrates single-sheaved block), enters cross-arm position; Enter cross-arm position, by Ground Operation personnel with insulation transmit rope action bars passed to be in cross-arm position bar on operating personnel, on bar, fastener and action bars are carried out positive connection by operating personnel, determine that the direction adjusting knob on ratchet carriage 1 is in tram;
2) on bar, operating personnel, by the position of square slider 3 strokes to close ratchet carriage 1, tightens fixing square slider 3 by fastening bolt 4, delivers to stockbridge damper bolt position by action bars 7, ratchet carriage 1 is inserted in stockbridge damper nut;
3) slide block 3 is moved to the groove afterbody of ratchet spanner by rotating operation bar screwed tightening fixing bolt 4, then promotes action bars back and forth along line direction and ratchet spanner is swung, and ratchet carriage 1 and stockbridge damper bolt link and rotate, and realize the object of stockbridge damper bolted.
To be tightened completely after, ratchet carriage 1 is withdrawn from stockbridge damper nut, personnel's lower beam; Under the commander and monitoring of work director, operating personnel's finishing tool material, cleaning work is on-the-spot, safe escape working site, end-of-job.