CN203617619U

CN203617619U - Transmission tackle for strain insulator string of +/- 800KV DC transmission line

Info

Publication number: CN203617619U
Application number: CN201320801788.7U
Authority: CN
Inventors: 张晓辉; 黄瑜; 刘鸿亮; 薛钰; 陶雄俊; 雷云春; 许朝兴; 刘东甲
Original assignee: ANNING BUREAU OF ULTRA-HIGH VOLTAGE TRANSMISSION Co Ltd
Current assignee: ANNING BUREAU OF ULTRA-HIGH VOLTAGE TRANSMISSION Co Ltd
Priority date: 2013-12-09
Filing date: 2013-12-09
Publication date: 2014-05-28
Anticipated expiration: 2023-12-09

Abstract

The utility model relates to a transmission tackle for a strain insulator string of a +/- 800KV DC transmission line. The transmission tackle comprises a semicircular-ring-shaped main body (1) and a flip cover (2) in another semicircular ring shape, wherein the flip cover (2) is connected with the main body (1) by adopting a hinge on one end and connected with the main body by using a nail screw on the other end, and the semicircular-ring-shaped inner rings of the main body (1) and the flip cover (2) are respectively fixed with a clamping core (6); more than three pulley stands (8) are evenly distributed and fixed on the main body (1) through screws (7), and a pulley (13) is sleeved in each pulley stand (8) through a pulley shaft (9); and the upper end of each pulley stand (8) is provided with a stop pin (12). The transmission tackle for the strain insulator string of the +/- 800KV DC transmission line provided by the utility model is stable and reliable, can rotate flexibly, reduces the physical output of high-altitude working personnel and the high-altitude falling risk, reduces the labor intensity of the working personnel, increases the working efficiency, and shortens the outage time.

Description

A kind of at ± transmission coaster that 800kV DC line strain insulator string uses

Technical field

The utility model belongs to a kind of transmission coaster using at power circuit strain insulator string, the transmission pulley structure technical field especially using at ± 800kV DC line strain insulator string.

Background technology

± 800KV DC power transmission line strain insulator string upkeep operation conventional project refers to the transportation of changing insulator and insulator, at present, the jig prior art of changing insulator is fairly perfect, and the up and down transportation of the insulator of changing in whole work high above the ground also do not have transfer tool, so that cause bottom surface a dead lift, waste time and energy.

Summary of the invention

The purpose of this utility model is not just for the transportation up and down in whole work high above the ground of the insulator that overcomes above-mentioned existing replacing also has transfer tool situation, provide a kind of firm, reliable, rotate flexibly, reduce work high above the ground personnel's physical demands and the risk of falling from high altitude, reduce staff's labour intensity, raise the efficiency operating efficiency, shorten interruption duration at ± transmission coaster that 800kV DC line strain insulator string uses.

The purpose of this utility model is achieved by the following technical solution.

A kind of at ± transmission coaster that 800kV DC line strain insulator string uses, the utility model is characterised in that, comprise the main body of semi-annular shape and adopt and be hinged with main body one end, one end adopts second half circular renovating that be that nail screw connects, main body and renovate semi-annular shape inner ring on be fixed with respectively the core of the card; Be provided with more than three wheel carrier and be uniformly distributed and be fixed by screws in main body, on wheel carrier, be arranged with pulley by pulley spindle; Be provided with backing pin in wheel carrier upper end.

The utility model the core of the card is fixing by fluting countersunk head nail.

The utility model is provided with bearing between pulley inner ring and pulley spindle.

The beneficial effects of the utility model are:

1, change strain insulator operating time shortening amount

At the on-the-spot once working method saving 10-20 minute of comparable current employing of monolithic insulator that changes of dead line;

2, the reduction personnel risk of working

Dead line is on-the-spot can reduce while changing monolithic insulator 90% fall the fall Probability of phenomenon of gold utensil and Work tool; In addition from reducing in essence work high above the ground personnel's physical demands and the risk of falling from high altitude, finally reduce staff's labour intensity, raise the efficiency operating efficiency, shorten interruption duration.

Alive circuit is on-the-spot while changing monolithic insulator once the working method of comparable current employing save 10-20 and divide and the operating time of status operating personnel in strong electric field environment such as significantly reduced, reduced the injury of highfield to operating personnel.

save interruption maintenance and drop into personnel amount

In the time having a power failure or monolithic insulator is changed at alive circuit scene, need 2-3 name staff on insulator string, to carry out operation simultaneously at present, this courseware will address this problem, at every turn will directly be reduced to 1 staff by 2-3 name insulator string or the operating personnel that enters highfield and get final product complete operation, and carry out operation than 2-3 people in the past simultaneously and also will shorten the operating time of 10-20 minute.

Accompanying drawing explanation

Fig. 1 the utility model structural representation;

Fig. 2 is the left TV structure schematic diagram of Fig. 1;

Fig. 3 is the structural representation of renovating;

Fig. 4 is the structure sectional structure schematic diagram of A-A in Fig. 3;

Fig. 5 is the structure sectional structure schematic diagram of B-B in Fig. 3;

Fig. 6 is the structural representation of the core of the card;

Fig. 7 is the left TV structure schematic diagram of Fig. 6;

Fig. 8 is the structural representation of main body;

Fig. 9 is the left TV structure schematic diagram of Fig. 8.

In figure: main body (1), renovate (2), nail screw (3), bearing pin (4), fluting countersunk head nail (5), the core of the card (6), screw (7), wheel carrier (8), pulley spindle (9), nut (10), packing ring (11), backing pin (12), pulley (13), bearing (14), bearing cap (15), spacer (16).

Embodiment

See Fig. 1, Fig. 2, a kind of at ± transmission coaster that 800kV DC line strain insulator string uses, the utility model is characterised in that, comprise the main body 1 of semi-annular shape and adopt and be hinged with main body one end, what one end adopted that nail screw connects be, and second half circular renovates 2, main body 1 and renovate 2 semi-annular shapes inner ring on be fixed with respectively the core of the card 6; Be provided with more than three wheel carrier 8 and be uniformly distributed by screw 7 and be fixed in main body 1, on wheel carrier 8, be arranged with pulley 13 by pulley spindle 9; Be provided with backing pin 12 in wheel carrier 8 upper ends.The present embodiment wheel carrier 8 is made as five.

The utility model the core of the card 6 is fixing by fluting countersunk head nail 5.

The utility model is provided with bearing 14 between pulley 13 inner rings and pulley spindle 9.

The utility model is adapted at the transmission coaster that power circuit strain insulator string uses, the transmission coaster especially using at ± 800kV DC line strain insulator string.The utility model is applicable to U530FC insulator disk warp: diameter 380mm; Hoisting weight double centner, 150 kilograms of static test loads, coefficient of safety n-25; Diameter 397mm in footpath at the bottom of pulley groove; Assembling rear wheel frame 8 wants firm, and pulley 13 rotates flexibly.

The utility model main body 1 use high-strength aluminum alloy LC4 forges; Renovating 2 use high-strength aluminum alloy LC4 forges; The 3 use 40Cr material material processing of nail screw; Bearing pin 4 use 40Cr material material processing; Fluting countersunk head nail 5, the core of the card 6 use nylon 1010 material processing; Screw 7 use 40Cr material material processing; Wheel carrier 8 use high-strength aluminum alloy LC4 forge; Pulley spindle 9 use 40Cr material material processing; Nut 10, packing ring 11, backing pin 12, pulley 13 use high-strength aluminum alloy LC4 forge; Bearing 14 is arranged in pulley 13 and plays and slide independently; Spacer 16 plays anti-gray effect.

Claims

1. the transmission coaster using at ± 800kV DC line strain insulator string, it is characterized in that, comprise the main body (1) of semi-annular shape and adopt and be hinged with main body one end, one end adopts second half circular renovating (2) that be that nail screw connects, main body (1) and renovate (2) semi-annular shape inner ring on be fixed with respectively the core of the card (6); Be provided with more than three wheel carrier (8) and be uniformly distributed that to be fixed on main body (1) by screw (7) upper, be arranged with pulley (13) by pulley spindle (9) wheel carrier (8) is upper; Be provided with backing pin (12) in wheel carrier (8) upper end.

2. the transmission coaster that one according to claim 1 is used at ± 800kV DC line strain insulator string, is characterized in that, the core of the card (6) is fixing by fluting countersunk head nail (5).

3. the transmission coaster that one according to claim 1 is used at ± 800kV DC line strain insulator string, is characterized in that, between pulley (13) inner ring and pulley spindle (9), is provided with bearing (14).