CN204144792U - Far-end operation changes the device of straight line list insulator string - Google Patents

Abstract

The utility model discloses a device for replacing linear single-string insulators by remote operation, which comprises a fixed frame and a pulley connected below it. The pulley is driven by the pulley and the insulating rope to move along the fixed frame. The front end of the pulley is lifted by the pulley and the hoisting insulating rope to tilt upward to drag the insulator string, so that the connection load between the upper end and the cross arm is transferred to the clamping plate of the pulley, and the lower end of the insulator string The connection load with the wire is transferred to the fixed frame through the hook and pulley assembly, so that the insulator string can be disassembled conveniently and quickly. Through the mutual cooperation of shaft operators and ground operators, the operators adopt the ground potential indirect operation to replace the insulators, so that the replacement operation of the insulator strings is all at the shaft end, away from the insulator strings, achieving the goal of safety and efficiency.

Description

Device for remote operation of replacement of straight single string insulators

technical field

The utility model relates to a transmission line of linear insulator strings, in particular to a device for remote operation and replacement of linear single string insulators on the transmission line.

Background technique

The current replacement of straight line single-string insulators generally requires one operator to mount the pulley block or fixture to the suspension point of the conductor, and another operator to climb to the conductor through a flat or soft ladder, and the two operators cooperate to install the tool. Transfer loads, replace insulators, remove tools and more to complete the job. However, the existing compact lines, multi-circuit transmission lines on the same tower, and multi-circuit compact lines on the same tower generally have the characteristics of high pole towers, various types of pole towers, small distances between cross-arms and phase-to-phase clearances, and relatively complicated conductor arrangements. This characteristic of the multi-circuit transmission line on the same tower is particularly obvious, so that the safe distance cannot meet the requirements of live work, and the live work cannot be carried out by using the existing methods.

Utility model content

The purpose of the utility model is to provide a safe and efficient device for replacing linear single-string insulators on the shaft side.

The utility model discloses a device for replacing linear single-string insulators, which comprises a fixed frame and a pulley connected below the fixed frame. The shaft end of the fixed frame is connected with a worm gear device, and the worm gear device drives the pulley to move along the fixed frame.

The fixed frame includes two parallel side beams and a left connecting beam and a right connecting beam connected between the two ends; the left connecting beam is located at the shaft end of the side beam, and an oblong hole is opened along the length direction on it, and the oblong There are two vertical adjustment screw rods passing through the hole. The lower end of the adjustment screw rod is connected with a clamp block for clamping the bottom edge of the cross arm. The adjustment screw rod is connected with the top surface of the left connecting beam and the The bottom surface is positioned; the right connecting beam is located at the wire end of the side beam, and both ends of its length direction are connected with F-shaped clamps. Extend to form two parallel plates, the upper parallel plate is connected with a secondary adjustment screw along the vertical direction, the upper end of which is fixed to the parallel plate by a nut, and the lower end is connected with a clamp arm rod, which can slide through the lower parallel plate The end of the plate is connected with a splint; the side beam is a hollow epoxy glass fiber tube, the outer end of the wire end is connected with a coaxial double pulley through the support, and the shaft end in the tube is connected with a single pulley through the pulley shaft. The chute is all along the width direction of the side beam, and the pipe wall corresponding to the pulley in the pipe is provided with a gap located on its upper side. the

The two F-type clamps clamp the top surface of the right connecting beam side with a connecting block, and the two connecting blocks are connected as a whole through a horizontal main adjusting screw, and there are corresponding threaded holes on the connecting block; the right connecting beam There is a fixed block on the outside corresponding to the F-shaped fixture, and the main adjusting screw passes through the fixed block and is fixed by a nut.

The block includes a rectangular pallet, a boom and a block of pulleys. There are four booms, which are separated from the four corners of the rectangular clip. The upper end of each boom is connected with a block of pulleys. The upper and lower pulleys of the block It is fixed by a C-shaped frame, and the lower pulley shafts of the same-side pulley blocks in the length direction of the rectangular clamping plate are connected as a whole through connecting rods.

The upper and lower pulleys of the pulley block are respectively located on the top surface and the bottom surface of the side beam, and the opening size of the C-shaped frame matches the height dimension of the side beam.

The two ends of the worm of the worm gear and worm device are respectively connected to single pulleys at positions corresponding to the side beams, and the worm is connected to the side beams through connecting plates located on both sides of the single pulley.

The pulleys at both ends of the worm and one pulley of the outer double pulleys at the corresponding side beam wire ends are respectively bypassed by the same sliding insulating rope. on the stand.

The same lifting insulating rope is bypassed between the single pulley at the inner shaft end of the side beam and the other pulley of the outer double pulley at the wire end of the side beam, and one end of the lifting insulating rope is fixed to the suspension on the wire side of the pulley. On the rod, the other end goes around the upper side of the outer pulley at the side beam wire end and the lower side of the inner single pulley at the shaft end in turn, and then leads out from the gap there.

The outer side of the side beam in the length direction corresponding to the right connecting beam is connected to a pulley through a bracket. The chute of the pulley is along the length direction of the side beam. An insulating rope is connected to the pulley, and a hook is connected to the lower end of the insulating rope.

The working principle of the utility model is as follows: the fixing frame is placed on the cross arm of the shaft, so that the side beams are located on both sides of the cross arm, the end of the shaft is fixed with the cross arm by adjusting the screw rod and the clamp block at the lower end, and the wire end is passed through F-type clamps, adjusting screw rods, screw rods and splint components are fixed to the cross arm. The worm gear device drives the pulley to move along the side beam through the insulating rope and the pulley. The outer end of the block is tilted upward by lifting the insulating rope leading from the inner pulley at the shaft end of the side beam. The wire is lifted by the pulley outside the wire end of the side beam, the insulating rope and the hook, so that the load on the insulator string is transferred.

When replacing the insulator string, lift the wire through the hook and remove the lower end of the insulator string, start the worm gear device to make the tackle close to the insulator string, lift the two insulating ropes connected to the end of the side beam body and the tackle to make the U-shaped clamp block the insulator Put the string at the proper position and lift it up, then disassemble the cross-arm end of the insulator string, put down the insulating rope to return the U-shaped clamping plate, and finally drive the tackle to move along the side beam to the shaft end through the worm gear device, and hang it on the pole tower Take off the insulator string and move it to the ground by using the infinite rope on it. Then transport the new string of insulators to a suitable location for installation by means of a pulley.

In the utility model, through the mutual cooperation of shaft operators and ground operators, the operators adopt ground potential indirect operation to replace the insulators, so that the replacement operation of the insulator strings is all at the shaft end, away from the insulator strings, and the purpose of safety and high efficiency is realized. .

Description of drawings

Fig. 1 is the structural representation of the utility model.

FIG. 2 is a schematic top view of FIG. 1 .

Fig. 3 is a schematic structural diagram of the pulley block in Fig. 1 .

FIG. 4 is a schematic structural diagram of the F-type fixture in FIG. 1 .

Detailed ways

As shown in the figure, the utility model discloses a device for replacing linear single-string insulators, which includes a horizontal fixing frame 10 and a pulley 20 connected below it. The shaft end of the fixing frame 10 is connected with a worm gear device 30. The worm device 30 drives the trolley 20 to move along the fixed frame 10 .

The fixed frame 10 includes two parallel side beams 11 and a left connecting beam 12 and a right connecting beam 13 connected to two ends thereof.

The left connecting beam 12 is positioned at the shaft end of the side beam 11, and is provided with an oblong hole along the length direction on it, and two adjusting screw rods 14 along the vertical direction are passed through in the oblong hole, and the lower end of the adjusting screw rod 14 is connected with a Clamp the clamp block 15 on the bottom edge of the cross arm, and adjust the screw mandrel 14 to be positioned with the top surface and the bottom surface of the left connecting beam 12 through the nut on it.

The right connecting beam 13 is located at the wire end of the side beam 11, and both ends of its length direction are connected with F-shaped clamps 16. The U-shaped opening of the F-shaped clamp 16 clamps the right connecting beam 13, and the opposite upper and lower ends of the U-shaped opening Both extend outward to form two parallel plates, the upper parallel plate is connected with a secondary adjustment screw 161 along the vertical direction, the upper end of the auxiliary adjustment screw 161 is fixed with the parallel plate by a nut, and the lower end is connected with a clamping arm rod 162, clamping The arm bar 162 is slidably passed through the lower parallel plate, and the clamping plate 163 is connected to its end.

Two F-type clamps 16 clamp the top surface of the right connecting beam 13 side and all have connecting block 164, are connected as a whole by horizontal main adjustment screw rod 19 between two connecting blocks 164, and corresponding screw holes are arranged on connecting block 164. There is a fixed block 131 on the outside of the corresponding F-shaped clamp 16 on the right connecting beam 13, and the main adjusting screw rod 19 passes through the fixed block 131 and is fixed by a nut.

The side beam 11 is a hollow tube, the outer end surface of the wire end is connected with a coaxial double pulley 17 through the support, and the shaft end in the tube is connected with a single pulley 18 through the pulley shaft, and their chutes are all along the width direction of the side beam. The pipe wall corresponding to the single pulley 18 in the pipe is provided with a gap located on its upper side. the

Tackle 20 comprises rectangular clamp 21, suspender 22 and block pulley 23, and suspender 22 has four, and they are separated on four angles of rectangular clamp 21, and the upper end of every suspender 22 is all connected with pulley block 23, and pulley block 23 The upper and lower pulleys are fixed by the C-shaped frame 24, and the lower pulley shaft of the same side pulley block 23 in the rectangular clamping plate 21 length direction is connected as a whole by a connecting rod 25.

The upper and lower pulleys of the pulley block 23 are located on the top surface and the bottom surface of the side beam 11 respectively, and the opening size of the C-shaped frame 24 matches the height dimension of the side beam 11 .

The two ends of the worm 31 of the worm gear device 3 are respectively connected with a single pulley 18 at the positions corresponding to the side beam 11 , and the worm 31 is connected with the side beam 11 through connecting plates located on both sides of the single pulley 18 .

The single pulley 18 at the two ends of the worm 31 and one pulley in the outer double pulley 17 at the lead end of the corresponding side beam 11 have the same sliding insulating rope 50 to go around, and its two ends are respectively fixed on the inner and outer pulleys on the same side of the pulley 20. On the C-frame 24. The same lifting insulating rope 60 is passed between the single pulley 18 at the inner shaft end of the side beam 11 and the other pulley in the outer double pulley 17 at the wire end of the side beam 11, and one end of it is fixed on the suspension rod on the wire side of the pulley 2 On 22, the other end is derived from the gap at this place after going around the upper side of the outer pulley of the side beam 11 lead end and the lower side of the shaft end inner pulley successively.

The length direction outside of side beam 11 is connected with pulley 40 by bracket corresponding to right connecting beam 13 places, and the chute of this pulley is along the length direction of side beam, and pulley 40 is connected with insulating suspension rope 70, and its lower end is connected with hook 80.

The working principle of the utility model is as follows: the fixing frame is placed on the cross arm of the shaft, so that the side beams are located on both sides of the cross arm, the end of the shaft is fixed with the cross arm by adjusting the screw rod and the clamp block at the lower end, and the wire end is passed through F-type clamps, adjusting screw rods, screw rods and splint components are fixed to the cross arm. The worm gear device drives the pulley to move along the side beam through the insulating rope and the pulley. The outer end of the block is tilted upward by lifting the insulating rope leading from the inner pulley at the shaft end of the side beam. The wire is lifted by the pulley outside the wire end of the side beam, the insulating rope and the hook, so that the load on the insulator string is transferred.

When replacing the insulator string, lift the wire through the hook and remove the lower end of the insulator string, start the worm gear device to make the tackle close to the insulator string, lift the two insulating ropes connected to the end of the side beam body and the tackle to make the U-shaped clamp block the insulator Put the string at the proper position and lift it up, then disassemble the cross-arm end of the insulator string, put down the insulating rope to return the U-shaped clamping plate, and finally drive the tackle to move along the side beam to the shaft end through the worm gear device, and hang it on the pole tower Take off the insulator string and move it to the ground by using the infinite rope on it. Then transport the new string of insulators to a suitable location for installation by means of a pulley.

In the utility model, through the mutual cooperation of shaft operators and ground operators, the operators adopt ground potential indirect operation to replace the insulators, so that the replacement operation of the insulator strings is all at the shaft end, away from the insulator strings, and the purpose of safety and high efficiency is realized. .

Claims (9)

1. A device for remote operation and replacement of linear single-string insulators, characterized in that: the device includes a fixed frame and a tackle connected below it, the shaft end of the fixed frame is connected with a worm gear device, and the worm gear device drives the tackle along the The mount moves. 2. The device for remote operation and replacement of straight single-string insulators according to claim 1, characterized in that: the fixed frame includes two parallel side beams and a left connecting beam and a right connecting beam connected between its two ends beam; The left connecting beam is located at the shaft end of the side beam, and a long hole is opened along the length direction on it. Two adjusting screw rods along the vertical direction pass through the long round hole. The lower end of the adjusting screw rod is connected with The clamp block on the bottom edge, the adjustment screw rod is positioned with the top and bottom surfaces of the left connecting beam through the nut on it; The right connecting beam is located at the wire end of the side beam, and both ends of its length direction are connected with F-shaped clamps. The U-shaped opening of the F-shaped clamp clamps the right connecting beam, and the upper and lower ends of the opposite side of the U-shaped opening extend outward to form Two parallel plates, the upper parallel plate is connected with an auxiliary adjusting screw rod along the vertical direction, the upper end of which is fixed to the parallel plate by a nut, and the lower end is connected with a clamping arm rod, which can slide through the lower parallel plate, and its The end is connected with a splint; The side beam is a hollow epoxy fiberglass tube, the outer end surface of the wire end is connected with a coaxial double pulley through the support, and the shaft end in the tube is connected with a single pulley through the pulley shaft, and their chutes are all along the width direction of the side beam , the pipe wall corresponding to the pulley in the pipe is provided with a gap located on its upper side. 3. The device for remote operation and replacement of straight single-string insulators as claimed in claim 2, characterized in that: the top surface of the two F-shaped clamps clamping the right connecting beam side has a connecting block, and the two connecting blocks pass through The horizontal main adjusting screw is connected as a whole, and the connecting block has corresponding threaded holes; there is a fixed block on the outside of the corresponding F-shaped fixture on the right connecting beam, and the main adjusting screw passes through the fixing block and is fixed by a nut. 4. The device for remote operation and replacement of linear single-string insulators as claimed in claim 2, characterized in that: the pulley includes a rectangular clamp, a boom and a pulley block, and there are four booms, which are separated from the rectangular clamp. At the four corners, the upper end of each suspender is connected with a pulley block. The upper and lower pulleys of the pulley block are fixed by a C-shaped frame, and the lower pulley shafts of the pulley block on the same side of the rectangular clamping plate are connected as a whole through a connecting rod. . 5. The device for remote operation and replacement of linear single-string insulators as claimed in claim 4, characterized in that: the upper and lower pulleys of the pulley block are respectively located on the top surface and the bottom surface of the side beam, and the C-shaped frame The opening size matches the height dimension of the side beams. 6. The device for replacing linear single-string insulators by remote operation as claimed in claim 2, characterized in that: the two ends of the worm of the worm gear device are respectively connected with single pulleys at the positions corresponding to the side beams, and the worm passes through the two ends of the single pulley. The side connecting plate is connected with the side beam. 7. The device for remote operation and replacement of linear single-string insulators according to claim 2, characterized in that: the single pulleys at both ends of the worm are respectively connected to one of the outer double pulleys at the wire end of the corresponding side beam. A sliding insulating rope is bypassed, and the two ends of the sliding insulating rope are respectively fixed on the inner and outer C-shaped holders on the same side of the tackle. 8. The device for remote operation and replacement of straight single-string insulators according to claim 2, characterized in that: between the single pulley at the inner shaft end of the side beam and the other pulley of the outer double pulley at the wire end of the side beam The same hoisting insulating rope is bypassed, and one end of the hoisting insulating rope is fixed on the suspender on the wire side of the tackle, and the other end is sequentially connected from the upper side of the outer pulley at the side beam wire end and the lower side of the inner single pulley at the shaft end. Export from the gap there after bypassing. 9. The device for remote operation and replacement of linear single-string insulators according to claim 2, characterized in that: the outer side of the side beam in the length direction corresponds to the right connecting beam and is connected to a pulley through a bracket, and the chute of the pulley Along the length direction of the side beam, an insulating rope is connected to the pulley, and a hook is connected to the lower end of the insulating rope.