A kind of adjustable sub-lead spacer
Technical field
The present invention relates to a kind of overhead transmission line conductor spacer, relate in particular to a kind of adjustable sub-lead spacer.
Background technology
It is the thorny problem that the transmission line safe and stable operation in serious threat that ice coated on overhead transmission line conductor is waved always.When wire icing is waved, different wave, the random vibration of out of phase can appear in each phase conductor, very easily take place alternate or air breakdown flashover phenomenon (especially compact transmission line) relatively, wave the serious accident that overlong time can cause transmission line hardware, lead wire and earth wire, shaft tower etc. to damage, the safe operation of waving to transmission line has brought very big harm.
Conductor spacer is one of anti-dancing device of control conductor galloping.Its anti-dance principle is that each phase conductor is mechanically coupled together, and it is pind down mutually, to reach the purpose that inhibition is waved when motion.The structure of jumper wire spacing rod of the prior art is the regular length heading spacing normally, and wire jumper is difficult to realize that the heading spacing of each sub-conductor is a fixed value in installation process, if use the oidiospore lead spacer of regular length, not only can influence the visual aesthetics of wire jumper, and can cause stress to be concentrated, destroy jumper wire spacing rod easily.
Notification number is that the Chinese utility model patent of CN201243187Y discloses a kind of adjustable lead inter-phase spacer, be provided with adjustable plate and connecting plate between this conductor spacer and the insulator end gold utensil, by adjusting the fixed position that adjustable plate raises knothole, can adapt to and remedy lead sag installation errors, but this kind conductor spacer is owing to adopt the structure of adjustment hole, so on regulating, still the blind area can occur, in the time need finely tuning the alternate spacing of lead, this conductor spacer still can't be competent at like this.Therefore exigence those skilled in the art develop and aly both can adapt to and remedy lead sag installation errors, again the adjustable sub-lead spacer that can carry out stepless adjustment to the alternate spacing of sub-conductor.
Summary of the invention
In order to overcome the defective of prior art, the object of the present invention is to provide a kind of simple in structure and adjustable sub-lead spacer that can carry out stepless adjustment to the alternate spacing of sub-conductor.
The present invention is achieved through the following technical solutions:
A kind of adjustable sub-lead spacer, comprise framework, wire clip body and wire clamp cover plate, it is characterized in that: described framework is to be evenly equipped with yoke plate on a cirque structure, its excircle, the front portion of the front portion of described wire clip body and wire clamp cover plate connects into a cavity that is used for the clamping sub-conductor by connector, between two lugs of wire clip body rear end, be connected with an adjustable plate, be equipped with tooth bar on the relative side of described yoke plate and adjustable plate, the alternate spacing of regulating sub-conductor by the tooth bar position of engagement that changes on yoke plate and the adjustable plate.
Wherein, described adjustable plate is provided with a microscler location hole, and described yoke plate is connected by bolt I, nut I with location hole on the adjustable plate.
Wherein, the afterbody of described bolt I is provided with one and is used for located opening pin I.
Wherein, the length of described location hole is less than the length of yoke plate, and more than or equal to the length of 1/2 yoke plate.
Wherein, the front end of described wire clip body is provided with earhole I, and earhole I separates and also to form slot, and the front end of described wire clamp cover plate inserts in this slot, will be located at the earhole II of wire dress cover front edge of board and the earhole I of wire clip body front end links together by connector.
Wherein, two lugs of described wire clip body rear end are connected by bolt II, nut II with adjustable plate, and the afterbody of described bolt II is provided with a split pin II.
Wherein, described yoke plate and adjustable plate all adopt strip structure.
Wherein, described connector is selected joint pin or bolt for use.
The invention has the beneficial effects as follows: adjustable sub-lead spacer of the present invention is by changing the tooth bar position of engagement on two strip adjustable plates, realize the adjustment of the alternate spacing of oidiospore lead, this sub-lead spacer has compact conformation, advantage such as easy for installation, applied widely, not only can adapt to and remedy lead sag installation errors very easily, can also carry out any fine setting, coarse adjustment to the alternate spacing of sub-conductor, adjustment realizes the step-less adjustment of sub-conductor spacing apart from non-blind area.
Description of drawings
Fig. 1 is the frame structure schematic diagram that yoke plate is installed;
Fig. 2 is the A-A enlarged drawing of yoke plate shown in Fig. 1;
Fig. 3 is the structural representation of adjustable plate, and wherein Fig. 3 a is the front view of adjustable plate, and Fig. 3 b is the left view of adjustable plate;
Fig. 4 is the structural representation of wire clip body, and wherein Fig. 4 a is the front view of wire clip body, and Fig. 4 b is the left view of wire clip body, and Fig. 4 c is the upward view of wire clip body;
Fig. 5 is the structural representation of wire clamp cover plate, and wherein Fig. 5 a is the front view of wire clamp cover plate, and Fig. 5 b is the left view of wire clamp cover plate, and Fig. 5 c is the upward view of wire clamp cover plate;
Fig. 6 is the overall structure schematic diagram of conductor spacer of the present invention;
Fig. 7 is the structural representation after conductor spacer of the present invention is adjusted the alternate spacing of sub-conductor;
Wherein, 1-framework, 2-wire clip body, 2a chuck I, 2b-handle I, 3-wire clamp cover plate, 3a-chuck II, 3b-handle II, 4-yoke plate, 5-tooth bar, the 6-connector, 7-cavity, 8-adjustable plate, 9-lug, the 10-location hole, 11-bolt I, 12-nut I, 13-split pin I, 14-earhole I, 15-slot, 16-earhole II, 17-bolt II, 18-nut II, 19-split pin II, 20-inner groovy, 21-installing hole.
Embodiment
Below in conjunction with accompanying drawing jumper wire spacing rod of the present invention is described in further detail.
As shown in Figure 1, framework 1 is to be evenly equipped with four inner groovies 20 on a cirque structure, its excircle, an all affixed yoke plate 4 in each inner groovy 20, and as shown in Figure 2, yoke plate 4 is a strip structure, the one side is provided with tooth bar 5 and its top is provided with an installing hole 21.
Shown in Fig. 3 a, 3b, adjustable plate 8 is a strip structure, the bottom that also is provided with tooth bar 5 and adjustable plate on the one side offers a microscler location hole 10, the top of adjustable plate is provided with one and is used to circular hole that bolt II is passed, and the length of this location hole preferably is set as: more than or equal to the length of 1/2 adjustable plate 8 and less than the length of adjustable plate 8.
The wire clip body 2 that is designed to of wire clamp adds wire clamp cover plate 3 press-down type card lines, the transition of the whole employing of wire clamp orthodrome, shown in Fig. 4 a-4c, wire clip body 2 mainly is made up of hemispherical chuck I2a and handle I2b, chuck I2a front end is provided with earhole I14, and earhole I14 separates and formation slot 15.The afterbody of handle I2b is connected with two lugs 9, all offers one on each lug 9 and is used to circular hole that bolt II is passed.
Shown in Fig. 5 a-5c, wire clamp cover plate 3 mainly is made up of hemispherical chuck II3a and handle II3b, chuck II3a front end is provided with earhole II16, the chuck II3a at this earhole place inserts in the slot 15, and by connector 6 earhole I14 and earhole II16 are linked together, connector 6 can be selected joint pin or bolt for use.
As Fig. 6, shown in Figure 7, wire clamp, yoke plate 4 and adjustable plate 8 that this conductor spacer comprises framework 1, is made up of wire clip body 2 and wire clamp cover plate 3, yoke plate 4 is evenly distributed on the outer ring of framework 1, and the front portion of the front portion of wire clip body 2 and wire clamp cover plate 3 connects into a cavity 7 that is used for the clamping sub-conductor by connector 6.Between two lugs 9 of wire clip body 2 rear ends, be connected with an adjustable plate 8, after passing two lugs 9 and adjustable plate 8 with bolt II17, screwing nut II18 fixes, the wire clamp of being made up of wire clip body 2 and wire clamp cover plate 3 serves as that axle is swung with bolt II17, the afterbody of bolt II17 preferably is provided with a split pin II19, so that wire clamp is positioned.Be equipped with tooth bar 5 on the relative side of yoke plate 4 and adjustable plate 8, tooth bar is meshed with tooth bar, by bolt I and nut I yoke plate 4 and adjustable plate 8 are tightened up, for tooth bar 5 positions of engagement on more convenient, more reliable change yoke plate and the adjustable plate, the afterbody that is preferably in bolt I11 adds a split pin I13.When needs are regulated the alternate spacing of sub-conductor, at first adjust tooth bar 5 positions of engagement on yoke plate and the adjustable plate, position by split pin then, to reach adjusting the alternate spacing of sub-conductor.
During use, according to said structure conductor spacer is assembled earlier, the chuck of wire clamp is fixed on the oidiospore lead, the relative position of adjusting 5 engagements of yoke plate 4 and adjustable plate 8 upper racks then satisfies the requirement of conductor spacer mounting distance, finally realizes the adjustment of the alternate spacing of sub-conductor and remedies lead sag installation errors.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.