CN103683089A - A power transmission line spacer live-line maintenance lever tong - Google Patents

Abstract

The invention relates to an electric tool which is a power transmission line spacer live-line maintenance lever tong. The power transmission line spacer live-line maintenance lever tong is characterized in that: the lever tong (1) is provided with a slender pressure bar (2). One end of the pressure bar (2) is a section of handle (3), and the other end of the pressure bar is a pressure head (5). A hook (4) which extends to one side is arranged between the handle (3) and the pressure head (5). In working, the hook (4) and the pressure head (5) are respectively arranged on the outer sides of a fixed semi-ring (9) and a moving semi-ring (11) of a spacer (6). Once the handle (3) is wrenched, the fixed semi-ring (9) and the moving semi-ring (11) can be pressed tightly, and a pin (14) and a bolt (13) can be taken out, and accordingly the disengaging of a wire clamp (8) from a conductive wire (15) is completed. The beneficial effects of the power transmission line spacer live-line maintenance lever tong of the invention are that: live-line maintenance and replacing work of the spacer can be completed; the operation is laborsaving and fast; the labor intensity is substantial reduced; the man-hour is reduced for above 75%; and the power transmission line spacer live-line maintenance lever tong can be expected to become a tool of a first choice in power transmission line spacer live-line maintenance replacing.

Description

Transmission line conductor spacer power-on serving lever tongs

Technical field

The present invention relates to a kind of electrician's instrument, i.e. a kind of transmission line conductor spacer power-on serving lever tongs.

Background technology

On transmission line, often have branched wire, because the distance between each wire is limited, while waving with the wind, easily overlap joint short circuit or wearing and tearing in order to address this problem, will be installed a conductor spacer every a segment distance on transmission line.The main body of conductor spacer is a polygon support, all has a wire clamp, each wire clamp open traverse that is installed on each angle of support, thereby prevents wire overlap joint, also can strengthen the stability of wire, reduces wear.The wire clamp of conductor spacer has two semi-rings, and one of them is the stationary half that lower end is connected with support, and another is the movable semi-ring that upper end is hinged mutually by rotating shaft and stationary half.Movable semi-ring is opened, and can take out or pack into wire, and movable semi-ring is closed and wire can be fixed on to the inside.Movable semi-ring also will be stuck in by latch the opposite of stationary half after closing, and one of latch is also provided with through hole, and through hole inserts pin can prevent that latch from coming off.

Conductor spacer support wire, load is very large, and has the swing of certain amplitude, exposes to wind and rain in addition, also there will be damage, needs repairing and changes.Because conductor spacer consumption is more, nearly 720 of the conductor spacers that the transmission line of general 1km500kv is installed, the workload of maintain and replace is also larger.In order to guarantee power supply, the maintenance of conductor spacer and replacing must be carried out live line working.Maintain and replace conductor spacer need to be extracted latch and the pin of conductor spacer out.Owing to coordinating closely between latch and wire clamp and between latch and pin, dismantle more difficultly, need specific purpose tool.Instrument used has a screw rod at present, and cross-peen is equipped with in screw rod one end, and the other end is furnished with a screwed pipe, and screwed pipe both sides are with tommy bar.On two semi-rings of wire clamp, be also provided with special-purpose jack.During use, screw rod was inserted jack, then rotated screwed pipe by tommy bar, dwindle the distance between screwed pipe and cross-peen, two semi-rings can be compressed, make latch loosening, then promote latch and move, make pin loosening, extract again pin, pull out latch, open movable semi-ring, just can make wire clamp separated with wire, finally pull down conductor spacer.More renew conductor spacer time, also said process to be done one time conversely.

Because needs rotate screwed pipe, the time needing is long, calculates factually, changes a conductor spacer that has the conductors on quad bundled of four wire clamps, needs 520 seconds.Particularly, in cold district, work high above the ground, operates inconvenience, inclement condition, and the maintenance of conductor spacer and the operating pressure of replacing are very large, are badly in need of improving.

Summary of the invention

The object of this invention is to provide a kind of can power-on serving and change conductor spacer, and simple and quick, reduce work hours, the transmission line conductor spacer power-on serving instrument reducing labor intensity.

Above-mentioned purpose is realized by following technical scheme: develop a kind of transmission line conductor spacer power-on serving lever tongs, be characterized in: said lever tongs have an elongated depression bar, depression bar one end is one section of handle, the other end is a pressure head, is provided with a hook stretching to a side between handle and pressure head.During work, by hook and pressure head the be placed in stationary half of conductor spacer and the outside of movable semi-ring, pull handle and stationary half and movable semi-ring compression can be able to be taken out to pin and latch, complete the disengaging of wire clamp and wire.

The distance of said hook and handle outer end is greater than the distance that hooks into pressure head.

Said hook is to be hinged on depression bar by bearing pin.

The invention has the beneficial effects as follows: can complete the power-on serving of conductor spacer and change operation, and rapid operation is quick, labour intensity significantly reduces, and reduces work hours more than 75%, be expected to become the first-selected instrument that transmission line conductor spacer power-on serving is changed.

Accompanying drawing explanation

Fig. 1 is the front view of the first embodiment;

Fig. 2 is the use state diagram of the first embodiment;

Fig. 3 is the front view of the workpiece wire clamp of the first embodiment;

Fig. 4 is the left view of the workpiece wire clamp of the first embodiment;

Fig. 5 is the schematic diagram of a kind of operating state of the first embodiment;

Fig. 6 is the schematic diagram of the another kind of operating state of the first embodiment;

Fig. 7 is the front view of original instrument leading screw splitter;

Fig. 8 is the working state figure of original instrument;

Fig. 9 is the front view of the second embodiment;

Figure 10 is the left view of the second embodiment.

Visible in figure: lever tongs 1, depression bar 2, handle 3, hook 4, pressure head 5, conductor spacer 6, support 7, wire clamp 8, stationary half 9, rotating shaft 10, movable semi-ring 11, jack 12, latch 13, pin 14, wire 15, leading screw splitter 16, screw rod 17, screwed pipe 18, pulls thick stick 19, cross-peen 20, bearing pin 21.

Embodiment

The total design of the present invention is to replace original leading screw splitter with a kind of lever tongs, by the mode of pulling lever, substitutes the mode of repeatedly rotating screwed pipe, completes at short notice maintenance and the replacing of conductor spacer.Below in conjunction with accompanying drawing, introduce a kind of embodiment:

The first embodiment: Fig. 1 has introduced a kind of lever tongs 1, and this lever tongs 1 have one elongated depression bar 2, and depression bar 2 one end are one section of handles 3, and the other end is a pressure head 5, is provided with a hook 4 stretching to a side between handle 3 and pressure head 5.According to lever principle, hook 4 should be greater than hook 4 to the distance of pressure head 5 with the distance of handle 3 outer ends.Operating state in conjunction with the visible this lever tongs 1 of Fig. 2: the conductor spacer 6 in figure has a polygon support 7, polygonal limit number should be determined according to the number of divisural line, generally take four limits or hexagon as many.What in figure, introduce is a kind of hexagon support 7, all has a wire clamp 8, each wire clamp 8 open traverse that is installed on each angle of support 7.The wire clamp 8 of conductor spacer 6 has two semi-rings, and one of them is the stationary half 9 that lower end is connected with support, and another is the movable semi-ring 11 that upper end is hinged mutually by rotating shaft 10 and stationary half 9.Visible in conjunction with Fig. 6, movable semi-ring 11 is opened and can be taken out or pack into wire 15, and movable semi-ring 11 is closed and wire 15 can be fixed on to the inside.Movable semi-ring 11 also will be consolidated by latch 13 after closing, and one of latch 13 is also provided with through hole, and through hole inserts pin 14 can prevent that latch 13 from coming off.

During work, as shown in Fig. 2 Fig. 5, by the hook of lever tongs 14 and pressure head 5 the be placed in stationary half 9 of wire clamp 8 and the outside of movable semi-ring 11, pulling handle 3 can compress stationary half and movable semi-ring, can take out pin and latch, complete the disengaging of wire clamp and wire.Calculate factually, more the conductor spacer of transducer set quadripartion line, only needs 144 seconds.It is 25% of original leading screw splitter time used.

For the advantage of above-mentioned lever tongs is described, Fig. 7 has introduced original conductor spacer maintain and replace instrument leading screw splitter 16, has a spiral shell 17, and screw rod 17 one end are furnished with both sides with the screwed pipe 18 of tommy bar 19, and the other end of screw rod 17 has cross-peen 20.In addition, on two semi-rings of wire clamp, be also provided with special-purpose jack 12.During use, screw rod 17 was inserted jack 12, then rotated screwed pipe 18 by tommy bar 19, dwindle the distance between screwed pipe 18 and cross-peen 20, two semi-rings can be compressed, make latch 13 loosening, then promote latch 13 and move, make pin 14 loosening, extract again pin 14, pull out latch 13, open movable semi-ring 11, just can make wire clamp 8 separated with wire 15, finally pull down conductor spacer 6.More renew conductor spacer 6 time, also said process to be done one time conversely.Because needs rotate screwed pipe, the time needing is long, calculates factually, changes a conductor spacer that has the conductors on quad bundled of four wire clamps, needs 520 seconds.Particularly, in cold district, work high above the ground, operates inconvenience, inclement condition, and the maintenance of conductor spacer and the operating pressure of replacing are very large.

The second embodiment: as shown in Fig. 9 Figure 10, the structural principle of this lever tongs 1 is identical with the first embodiment is also to consist of depression bar 2, handle 3, hook 4, pressure head 5.Difference is, hook 4 is to be hinged on depression bar 2 by bearing pin 21, and hook 4 can have the swing of certain amplitude, namely links up with 4 opening changeable, can adapt to the conductor spacer of plurality of specifications, and more convenient to operate.

Claims (3)

1. transmission line conductor spacer power-on serving lever tongs, it is characterized in that: said lever tongs (1) have an elongated depression bar (2), depression bar (2) one end is one section of handle (3), the other end is a pressure head (5), is provided with a hook (4) stretching to a side between handle (3) and pressure head (5).

2. transmission line conductor spacer power-on serving lever tongs according to claim 1, is characterized in that: said hook (4) is greater than hook (4) to the distance of pressure head (3) with the distance of handle (3) outer end.

3. transmission line conductor spacer power-on serving lever tongs according to claim 1, is characterized in that: said hook (4) is to be hinged on depression bar (2) by bearing pin (21).

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