CN204333757U - A kind of 500kV replacing insulator string is high hangs bracing frame - Google Patents

Abstract

A 500kV insulator string replacement high-hanging support frame, including a base, a vertical rod and a horizontal rod. The vertical rod is vertically connected to the base through a bearing, and the horizontal rod is horizontally fixed on the upper end of the vertical rod. And in the chute opened on the right end face of the cross bar, a telescopic mechanism is arranged in the chute, and the telescopic mechanism includes a first backguy, a second backguy and a telescopic plate, the left end of the telescopic plate is provided with a first pulley, and the right end of the telescopic plate is provided with a suspension The hook and the hook are located outside the chute, one end of the first pull wire is connected to the first motor arranged on the pole, and the other end is connected to the right end of the chute around the second pulley, the third pulley and the first pulley, the second pulley and The third pulley is fixedly installed in the chute and above the telescopic plate, the second pulley is located at the left end of the telescopic plate, the third pulley is located at the right end of the chute, one end of the second cable is connected with the telescopic plate, and the other end bypasses the fourth pulley and is fixed The second motor on the pole is connected, and the fourth pulley is located at the left end of the expansion plate.

Description

A 500kV insulator string replacement high-hanging support frame

technical field

The utility model relates to a high-voltage line insulator replacement lifting frame, in particular to a 500kV insulator string replacement high-hanging support frame.

Background technique

When replacing the insulator strings on the middle line of the tension tower during the insulation and climbing operation of the 500kV line, since the insulator strings are in a horizontal state, and the pulley is at the horizontal iron on the upper side of the cross arm, the position of the lifting point is restricted, and the operator needs to move the insulator strings from the cross arm. Push the wire side to the wire side, and then the operator on the wire side will make the connection. In actual operation, the operation is very difficult and labor-intensive, and there are many difficulties, and it is easy to cause personal injury and equipment injury.

Contents of the invention

Aiming at the defects in the prior art, the utility model provides a high-hanging support frame for replacing 500kV insulator strings, which can reduce the difficulty of replacing insulator strings at high altitudes.

The specific technical solution is: a 500kV insulator string replacement high-hanging support frame, including a base, a vertical rod and a horizontal rod. The vertical rod is vertically connected to the base through a bearing, and the horizontal rod is horizontally fixed on the upper end of the vertical rod. A chute along the axial direction of the cross bar and opened on the right end of the cross bar. A telescopic mechanism is arranged in the chute. The telescopic mechanism includes a first pull wire, a second pull wire and a telescopic plate. The left end of the telescopic plate is provided with a first pulley. The right end of the plate is provided with a hook and the hook is located outside the chute, one end of the first pull wire is connected to the first motor arranged on the pole, and the other end is connected to the right end of the chute by going around the second pulley, the third pulley and the first pulley , the second pulley and the third pulley are fixedly arranged in the chute and above the telescopic plate, the second pulley is located at the left end of the telescopic plate, the third pulley is located at the right end of the chute, one end of the second cable is connected with the telescopic plate, and the other end is bypassed by the telescopic plate The four pulleys are connected with the second motor fixed on the pole, the fourth pulley is located at the left end of the telescopic plate, the lower side of the right end of the cross bar is provided with a support bar connected with the pole, and the upper end of the cross bar is provided with a solar panel, and the battery panels are respectively It forms a series circuit with the first motor and the second motor. The left end of the cross bar is provided with a fixed rod connected to the base. The fixed rod is provided with a tension regulator. The tension regulator is composed of a spring, a nut and a screw rod. segment connection, the other end is connected with the nut, one end of the screw rod is connected with the nut, and the other end is connected with the lower half of the fixed rod.

The right end of the cross bar is provided with vertically symmetrical rollers that are respectively tangent to the telescopic plate.

The lower end of the vertical rod is provided with a rotating rod perpendicular to the vertical rod.

The upper end of the cross bar is provided with a lightning rod.

The utility model has the advantages of simple structure, low manufacturing cost and strong spreadability. The direction of the hook can be adjusted by rotating the vertical rod, thereby realizing the transfer of the insulator string. The stretching distance of the hook can be adjusted through the telescopic mechanism, thereby further facilitating Take the string, reduce the construction difficulty and improve the construction safety.

Description of drawings

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

Fig. 2 is the structure schematic diagram of telescoping mechanism of the present utility model;

Fig. 3 is a structural schematic diagram of the tension adjuster of the present invention.

Detailed ways

As shown in Figure 1 and Figure 2, a 500kV insulator string replacement high-hanging support frame includes a base 1, a vertical rod 2 and a horizontal rod 3, the vertical rod 2 is vertically connected to the base 1 through a bearing 4, and the horizontal rod 3 is horizontal Fixed on the upper end of the vertical bar 2, the cross bar 3 is provided with a chute 5 along the axial direction of the cross bar 3 and opened on the right end surface of the cross bar 3, and a telescopic mechanism is arranged in the chute 5, and the telescopic mechanism includes a first pull wire 6 , the second backguy 7 and the telescopic plate 8, the left end of the telescopic plate 8 is provided with the first pulley 9, the right end of the telescopic plate 8 is provided with a hook 10 and the hook 10 is located outside the chute 5, and one end of the first backguy 6 is arranged on the vertical rod The first motor 11 on 2 is connected, and the other end is connected to the right end of the chute 5 around the second pulley 12, the third pulley 13 and the first pulley 9, and the second pulley 12 and the third pulley 13 are fixedly arranged in the chute 5 And be positioned at telescoping board 8 tops, second pulley 12 is positioned at telescopic board 8 left ends, and the 3rd pulley 13 is positioned at chute 5 right-hand ends, second backguy 7 one end is connected with telescopic board 8, and the other end walks around the 4th pulley 14 and is fixedly arranged on The second motor 15 on the pole 2 is connected, and the fourth pulley 14 is located at the left end of the expansion plate 8 . The right end of the cross bar 3 is provided with vertically symmetrical rollers 16 that are respectively tangent to the telescopic plate 8 , which can effectively reduce the friction between the telescopic plate 8 and the cross bar 3 and improve the passability of the cross bar 3 . The lower side of the right end of the cross bar 3 is provided with a support bar 18 connected to the vertical bar 2, and the upper end of the cross bar 3 is provided with a solar panel 19, and the solar panel 19 forms a series circuit with the first motor 11 and the second motor 15 respectively. 3. The left end is provided with a fixed rod 20 connected with the base 1, and a tension regulator 21 is arranged on the fixed rod 20. As shown in FIG. 3, the tension regulator 21 is composed of a spring 22, a nut 23 and a screw rod 24. The upper half is connected, the other end is connected with the nut 23, one end of the screw rod 24 is connected with the nut 23, and the other end is connected with the lower half of the fixed rod 20. When the load of the hook 10 is too heavy, the spring 22 is increased by adjusting the screw rod 24. The tension of the crossbar 3 is balanced, thereby maintaining the stability of the crossbar 3.

When in use, the base 1 is fixed on the upper end of the strain tower, and the lower end of the vertical rod 2 is provided with a rotating rod 17 perpendicular to the vertical rod 2 . The vertical rod 2 is rotated by the rotating rod 17 to adjust the direction of the hook 10; the first pulley 9 is moved to the right by starting the first motor 11 to pull the first pulley 6, thereby driving the telescopic plate 8 to move outwards to realize the lifting of the hook. 10 forward extension; by starting the second motor 15 to drive the second pull wire 7 to move, thereby pulling the telescopic plate 8 to move to the left, thereby realizing the contraction of the hook 10. The upper end of the cross bar 3 is provided with a lightning rod 25 to prevent lightning from damaging the equipment.

Claims (4)

1. A 500kV insulator string replacement high-hanging support frame, characterized in that: it includes a base, a vertical rod and a cross rod, the vertical rod is vertically connected to the base through a bearing, the horizontal rod is horizontally fixed on the upper end of the vertical rod, and the horizontal rod is set There is a chute along the axial direction of the cross bar and opened on the right end of the cross bar. A telescopic mechanism is arranged in the chute. The telescopic mechanism includes a first pull wire, a second pull wire and a telescopic plate. The left end of the telescopic plate is provided with a first pulley. The right end of the expansion plate is provided with a hook and the hook is located outside the chute. One end of the first pull wire is connected to the first motor arranged on the pole, and the other end goes around the second pulley, the third pulley, the first pulley and the right end of the chute. Connection, the second pulley and the third pulley are fixedly arranged in the chute and above the telescopic plate, the second pulley is located at the left end of the telescopic plate, the third pulley is located at the right end of the chute, one end of the second cable is connected with the telescopic plate, and the other end is bypassed The fourth pulley is connected with the second motor fixedly arranged on the pole, the fourth pulley is located at the left end of the telescopic plate, the lower side of the right end of the cross bar is provided with a support bar connected with the pole, and the upper end of the cross bar is provided with a solar panel. They form a series circuit with the first motor and the second motor respectively. The left end of the crossbar is provided with a fixed rod connected to the base. The fixed rod is provided with a tension regulator. The tension regulator is composed of a spring, a nut and a screw rod. The half section is connected, the other end is connected with the nut, one end of the screw rod is connected with the nut, and the other end is connected with the lower half of the fixed rod. 2. A 500kV insulator string replacement high-hanging support frame according to claim 1, characterized in that: the right end of the cross bar is provided with vertically symmetrical rollers that are respectively tangent to the expansion plate. 3. A 500kV insulator string replacement high-hanging support frame according to claim 1, characterized in that: the lower end of the vertical rod is provided with a rotating rod perpendicular to the vertical rod. 4. A high-hanging support frame for replacing 500kV insulator strings according to claim 1, characterized in that: a lightning rod is arranged at the upper end of the cross bar.