Wire traction device for substation maintenance and use method
By designing an adjustable wire traction device for substation maintenance, the problem that existing devices cannot adjust the traction direction, height and opening angle is solved, and the stability and efficiency of traction are improved.
Patent Information
- Application Number
- CN202411488090.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-03-07
AI Technical Summary
The existing wire traction devices for substation maintenance cannot adjust the traction direction and height according to the direction of the wire, and cannot adjust the opening angle of the traction, resulting in unstable traction and affecting the efficiency of maintenance work.
A wire traction device including a frame, an expansion power mechanism, an adjustment arm, a nitrogen spring hydraulic buffer, a wire traction assembly, etc. is designed. The servo motor drives the crank rotation, and the opening and closing angles and heights of the adjustable arms and adjustable beams are adjustable, allowing flexible traction of the wires.
The traction direction, height and opening angle are adjusted according to actual needs, which improves the stability and efficiency of traction, reduces the waste of manpower and material resources, and reduces the cost of engineering.
Smart Images
Figure CN119582043A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of substation maintenance, and in particular relates to a conductor pulling device for substation maintenance and a use method thereof. Background Art
[0002] Substation maintenance work is extremely important for power supply companies. They are mainly responsible for the maintenance and repair of substation equipment in the jurisdiction, high-voltage and instrument testing, oil mist testing, and low-voltage and auxiliary equipment maintenance. Substation maintenance is a comprehensive optimization measure for the power grid system. It can analyze and solve potential risks and hidden dangers to ensure the safe and reliable operation of electrical equipment. In the substation maintenance work, it is necessary to carry out maintenance tests on connecting wires and components. At this time, the wires need to be pulled and fixed. In the process of maintenance and testing of the wires, the traction method mostly adopts human traction, that is, people pull the wires. The advantage of this method is flexibility and is not restricted by terrain. The disadvantage is This is because most of the conductors are made of steel-core aluminum stranded wire, which is hard and heavy, resulting in too much manpower required and too high a project cost; some use mechanical traction, but the existing mechanical traction device cannot adjust the traction direction and traction height according to the direction of the conductor, and needs to be adjusted manually, which wastes too much manpower and material resources and affects the normal progress of maintenance work; in addition, the traction opening angle cannot be adjusted, and the stability and reliability of traction cannot be guaranteed, which is not conducive to the smooth progress of substation maintenance work; therefore, it is very necessary to provide a conductor traction device and a method for using it for substation maintenance, which has a reasonable structure, is easy to adjust, has good use effect, and improves work efficiency. Summary of the invention
[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a conductor traction device for substation maintenance and a method of use which has a reasonable structure, is convenient to adjust, has a good use effect and improves work efficiency.
[0004] The object of the present invention is achieved as follows: a conductor traction device for substation maintenance, which includes a frame and a conductor traction assembly, an expansion power mechanism is arranged above the frame, a group of adjustment arms are symmetrically arranged on the left and right sides of the expansion power mechanism, and the outer sides of the adjustment arms are connected to the frame through a group of nitrogen spring hydraulic buffers; the conductor traction assembly is located above the inner side of the adjustment arm and the conductor traction assembly is slidably connected to the adjustment arm, so that the conductor traction assembly can move along the adjustment arm, and the traction operation of the substation conductors with different directions is completed through the conductor traction assembly.
[0005] The frame includes a base frame, and moving wheel assemblies with adjusters are arranged at the four corners of the bottom of the base frame. A middle support frame is arranged inside the base frame, and stable feet are arranged at the bottom of the front and rear sides of the middle support frame; a base pad for installing an expansion power mechanism is arranged on the top of the base frame, and mounting hinge brackets for connecting nitrogen spring hydraulic buffers are arranged at the four corners of the base pad.
[0006] The expansion power mechanism includes a shaft seat with a "U"-shaped structure, and a group of first cranks and second cranks that are symmetrical on the inner side of the shaft seat are arranged. The first crank and the second crank are connected to the shaft seat shaft through a fixed shaft, and the input end of the fixed shaft is connected to a worm reducer, and the worm reducer is power-connected to a servo motor. The servo motor drives the first crank and the second crank to rotate, thereby realizing the adjustment of the opening and closing angles of the first crank and the second crank.
[0007] The adjusting arm includes a group of square channel steels arranged symmetrically on the left and right, and the bottom of the square channel steels are fixedly connected to the corresponding first crank and second crank respectively; the inner side of the square channel steel is provided with a bottom support beam, a middle support beam and a top support beam from bottom to top, and both ends of the top of the square channel steel are provided with hinged seats.
[0008] The nitrogen spring hydraulic buffer comprises a nitrogen cylinder and a nitrogen spring rod movably connected to the nitrogen cylinder; the bottom end of the nitrogen cylinder is connected to the mounting hinge bracket, and the upper end of the nitrogen spring rod is provided with a hinge joint, which is hinged to the hinge seat.
[0009] The wire pulling assembly includes an adjustable crossbeam slidably mounted on an adjusting arm, and a first wire pulling clamp and a second wire pulling clamp movably mounted at both ends of the adjustable crossbeam; the adjustable crossbeam is moved along the adjusting arm through a height power mechanism; the first wire pulling clamp and the second wire pulling clamp are both slidably connected to the adjustable crossbeam through a slide assembly.
[0010] The adjustable crossbeam comprises a slider fixing plate, the slider fixing plate is slidably connected to the square channel steel via a first nylon slider, and a hollow channel steel is arranged inside the slider fixing plate.
[0011] The slide assembly includes a group of L-shaped plates arranged symmetrically on the left and right, and the L-shaped plates are connected to the corresponding first wire pulling clamp or second wire pulling clamp through a connecting rod. The inner side of the L-shaped plates is slidably connected to the hollow channel steel through a group of second nylon sliders.
[0012] The height power mechanism includes a support installed on the inner side of the square channel steel and located above the middle support beam. A stepper motor is installed below the support. A lead screw is arranged above the support. The top end of the lead screw is connected to the top support beam through a top lead screw collar, and the bottom end is connected to the support through a bottom lead screw collar. The stepper motor is connected to the lead screw power through a Z-axis coupling; the lead screw is connected to the slider fixing plate through a lead screw seat.
[0013] A method for using a conductor traction device for substation maintenance, using the conductor traction device for substation maintenance as described above to complete the traction operation of the substation conductor, comprising the following steps: Step 1: Move the conductor traction device for substation maintenance to a specific work location through the moving wheel assembly with an adjuster, and achieve stable support for the entire rack through the moving wheel assembly with an adjuster and a stable footrest; Step 2: Start the expansion power mechanism, which drives the adjustment arms on both sides of the frame to rotate, thereby changing the opening and closing angles between the adjustment arms, so as to adjust the opening and closing degrees between the adjustment arms on both sides according to actual use requirements and improve traction stability; Step 3: After the opening and closing angles are adjusted, the height power mechanism is started, and the height power mechanism drives the adjustable crossbeam to move up and down along the adjustment arm, so as to facilitate adaptive adjustment according to the traction height required by the substation conductor; Step 4: The traction work of the substation conductor is realized by cooperating with the first conductor traction clamp and the second conductor traction clamp at both sides of the same adjustable crossbeam; the traction work of the substation conductor can also be realized by cooperating with the first conductor traction clamp or the second conductor traction clamp at both sides of different adjustable crossbeams; the traction work of the substation conductor can also be realized by passing the substation conductor through the hollow channel steel and then fixing it; thereby realizing the traction work of the substation conductor in multiple directions; Step 5: The first conductor pulling clamp and the second conductor pulling clamp can also change their positions on the adjustable crossbeam through the slide assembly, so that the first conductor pulling clamp and the second conductor pulling clamp can be moved closer to or farther from each other, so as to adjust the spacing between multiple transformer conductors to be pulled according to the needs; Step 6: After adjusting the opening and closing angle and fixing the transformer conductor by the first conductor traction clamp and the second conductor traction clamp, retract the stabilizing foot and the adjuster of the moving wheel assembly with the adjuster, and drive the entire frame to move by the moving wheel of the moving wheel assembly with the adjuster, thereby realizing the traction operation of the transformer conductor.
[0014] The beneficial effects of the present invention are as follows: the present invention provides a conductor traction device for substation maintenance and a method of using the same. During use, the conductor traction device for substation maintenance is moved to a specific work location by a moving wheel assembly with an adjuster, and the moving wheel assembly with an adjuster and a stabilizing footrest cooperate to achieve stable support for the entire frame; the expansion power mechanism is started, and the expansion power mechanism drives the adjusting arms on both sides of the frame to rotate, so as to change the opening and closing angle between the adjusting arms, so as to facilitate adjustment of the opening and closing degree between the adjusting arms on both sides according to actual use requirements, thereby improving traction stability; after the opening and closing angle is adjusted, the height power mechanism is started, and the height power mechanism drives the adjustable crossbeam to move up and down along the adjusting arm, so as to facilitate adaptive adjustment according to the traction height required for the substation conductor; the traction work of the substation conductor is achieved by the cooperation of the first wire traction clamp and the second wire traction clamp at both side ends of the same adjustable crossbeam; the traction work of the substation conductor can also be achieved by the cooperation of the first wire traction clamp and the second wire traction clamp at both side ends of different adjustable beams The first wire pulling clamp cooperates with or cooperates with the second wire pulling clamp to realize the pulling work of the substation wire; the substation wire can also be passed through the hollow channel steel and then fixed to realize the pulling work of the substation wire; thereby realizing the pulling work of the substation wire in multiple directions; the first wire pulling clamp and the second wire pulling clamp can also realize the position change on the adjustable crossbeam through the slide seat assembly, so that the first wire pulling clamp and the second wire pulling clamp can be close to or away from each other, so as to facilitate the adjustment of the spacing between multiple substation wires to be pulled according to the needs; after the opening and closing angle is adjusted and the substation wire is fixed by the first wire pulling clamp and the second wire pulling clamp, the stabilizing foot and the adjuster of the moving wheel assembly with the adjuster are retracted, and the moving wheel of the moving wheel assembly with the adjuster drives the frame to move as a whole, thereby realizing the pulling operation of the substation wire; the present invention has the advantages of reasonable structure, convenient adjustment, good use effect and improved work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a top view of the present invention in use state.
[0016] Figure 2 It is a front view of the present invention.
[0017] Figure 3 It is a stereogram of the present invention.
[0018] Figure 4 For the present invention Figure 3 Schematic diagram of part of the structure Figure 1 .
[0019] Figure 5 For the present invention Figure 4 A magnified schematic diagram of structure B in the middle.
[0020] Figure 6 For the present invention Figure 3 Schematic diagram of part of the structure Figure 2 .
[0021] Figure 7 For the present invention Figure 6 A magnified schematic diagram of structure B in the middle.
[0022] Figure 8 For the present invention Figure 2 A magnified schematic diagram of the structure in the middle.
[0023] In the figure: 1, frame 11, base frame 12, moving wheel assembly with adjuster 13, middle support frame 14, stable foot 15, base pad 16, mounting hinge bracket 2, expansion power mechanism 21, shaft seat 22, first crank 23, second crank 24, fixed shaft 25, worm reducer 26, servo motor 3, adjustment arm 31, square channel steel 32, bottom support beam 33, middle support beam 34, top support beam 35, hinge seat 4, nitrogen spring hydraulic buffer 41, nitrogen Cylinder 42, nitrogen spring rod 43, hinge head 5, wire pulling assembly 6, adjustable crossbeam 61, slider fixing plate 62, first nylon slider 63, hollow channel steel 7, first wire pulling fixture 8, second wire pulling fixture 9, height power mechanism 91, support 92, stepper motor 93, screw rod 94, top screw rod collar 95, bottom screw rod collar 96, Z-axis coupling 10, transformer conductor 20, slide assembly 201, L-shaped plate 202, connecting rod 203, second nylon slider. DETAILED DESCRIPTION
[0024] The present invention will be further described below in conjunction with the accompanying drawings. Example
[0025] like Figure 1-8 As shown, a conductor pulling device for substation maintenance comprises a frame 1 and a conductor pulling assembly 5, an expansion power mechanism 2 is arranged above the frame 1, a group of adjustment arms 3 are symmetrically arranged on the left and right sides of the expansion power mechanism 2, and the outer sides of the adjustment arms 3 are connected to the frame 1 through a group of nitrogen spring hydraulic buffers 4; the conductor pulling assembly 5 is located above the inner side of the adjustment arm 3 and the conductor pulling assembly 5 is slidably connected to the adjustment arm 3, so that the conductor pulling assembly 5 can move along the adjustment arm 3, and the traction operation of the substation conductors 10 with different directions is completed through the conductor pulling assembly 5.
[0026] The frame 1 includes a base frame 11, and moving wheel assemblies 12 with adjusters are arranged at the four corners of the bottom of the base frame 11. A middle support frame 13 is arranged inside the base frame 11, and stable feet 14 are arranged at the bottom of the front and rear sides of the middle support frame 13; a base pad 15 for installing the expansion power mechanism 2 is arranged on the top of the base frame 11, and the four corners of the base pad 15 are arranged with mounting hinge brackets 16 for connecting the nitrogen spring hydraulic buffer 4.
[0027] In this embodiment, the hinge bracket is installed using a GSBR8F-S bracket; the stable foot is an FJWN20-100 foot; and the moving wheel assembly with an adjuster is an HCFTFM500-8-E25-F60-G130-P25-Q60-R130 universal moving wheel assembly.
[0028] The expansion power mechanism 2 includes a shaft seat 21 of a "U"-shaped structure, and a group of first cranks 22 and second cranks 23 are arranged on the inner side of the shaft seat 21 in a left-right symmetrical manner. The first cranks 22 and the second cranks 23 are connected to the shaft seat 21 through a fixed shaft 24, and the input ends of the fixed shaft 24 are connected to worm reducers 25, and the worm reducers 25 are power-connected to a servo motor 26. The servo motor 26 drives the first crank 22 and the second crank 23 to rotate, thereby realizing the adjustment of the opening and closing angles of the first crank 22 and the second crank 23.
[0029] In this embodiment, the working principle of the expansion power mechanism is: the servo motor drives the worm reducer to work, and the worm reducer drives the first crank and the second crank to rotate through the fixed shaft, so that the first crank and the second crank rotate closer to or away from each other, thereby realizing the opening and closing adjustment of the adjusting arms on both sides of the frame.
[0030] The adjusting arm 3 includes a group of square channel steels 31 which are symmetrically arranged on the left and right sides, and the bottoms of the square channel steels 31 are fixedly connected to the corresponding first crank 22 and second crank 23 respectively; the inner side of the square channel steel 31 is provided with a bottom support beam 32, a middle support beam 33 and a top support beam 34 from bottom to top, and both ends of the top of the square channel steel 31 are provided with hinge seats 35.
[0031] In this embodiment, the articulated seat adopts a GSBR8F-S articulated seat.
[0032] The nitrogen spring hydraulic buffer 4 includes a nitrogen cylinder 41 and a nitrogen spring rod 42 movably connected to the nitrogen cylinder 41; the bottom end of the nitrogen cylinder 41 is connected to the mounting hinge bracket 16, and the upper end of the nitrogen spring rod 42 is provided with a hinge joint 43, and the hinge joint 43 is hinged to the hinge seat 35.
[0033] In this embodiment, the nitrogen spring hydraulic buffer adopts FGSS27200A movable installation directional buffer; the function of the nitrogen spring hydraulic buffer is: when the expansion power mechanism drives the adjusting arm to realize the opening and closing movement, the nitrogen spring hydraulic buffer plays a follow-up telescopic action, cooperates with the opening and closing action of the adjusting arm, realizes the stable and reliable opening and closing movement of the adjusting arm, and also provides a stable and reliable supporting force for the adjusting arm, thereby ensuring the overall mechanical strength and mechanical stability of the device of the present invention.
[0034] The wire pulling assembly 5 includes an adjustable crossbeam 6 slidably mounted on the adjusting arm 3, and a first wire pulling clamp 7 and a second wire pulling clamp 8 movably mounted at both ends of the adjustable crossbeam 6; the adjustable crossbeam 6 is moved along the adjusting arm 3 through a height power mechanism 9; the first wire pulling clamp 7 and the second wire pulling clamp 8 are both slidably connected to the adjustable crossbeam 6 through a slide assembly 20.
[0035] The adjustable cross beam 6 includes a slider fixing plate 61 , and the slider fixing plate 61 is slidably connected to the square channel steel 31 via a first nylon slider 62 . A hollow channel steel 63 is disposed inside the slider fixing plate 61 .
[0036] The slide assembly 20 includes a group of L-shaped plates 201 arranged symmetrically on the left and right, and the L-shaped plates 201 are connected to the corresponding first wire pulling clamp 7 or second wire pulling clamp 8 through a connecting rod 202. The inner side of the L-shaped plates 201 is slidably connected to the hollow channel steel 63 through a group of second nylon sliders 203.
[0037] In this embodiment, the working principle of the slide assembly is as follows: since the inner side of the L-shaped plate is slidably connected to the hollow channel steel through a group of second nylon sliders, that is, the slide assembly is slidably connected to the hollow channel steel, the position of the slide assembly can be changed by sliding the second nylon slider on the hollow channel steel, thereby realizing the position change of the first wire pulling clamp and the second wire pulling clamp on the adjustable beam.
[0038] The height power mechanism 9 includes a support 91 installed on the inner side of the square channel steel 31 and located above the middle support beam 33. A stepper motor 92 is installed below the support 91. A screw rod 93 is arranged above the support 91. The top end of the screw rod 93 is connected to the top support beam 34 through a top screw rod collar 94, and the bottom end is connected to the support 91 through a bottom screw rod collar 95. The stepper motor 92 is connected to the screw rod 93 through a Z-axis coupling 96; the screw rod 93 is connected to the slider fixing plate 61 through a screw seat.
[0039] In this embodiment, the working principle of the height power mechanism is: start the stepper motor, and the stepper motor drives the lead screw to rotate through the Z-axis coupling. Since the slider fixing plate is connected to the lead screw through the wire seat, the stepper motor can drive the slider fixing plate to move along the lead screw. Since the slider fixing plate is slidably connected to the square channel steel through the first nylon slider, the stepper motor can drive the slider fixing plate and the hollow channel steel to move along the square channel steel, thereby realizing the up and down movement of the adjustable crossbeam along the adjusting arm, and finally realizing the height adjustment of the wire traction assembly, which is convenient for adaptive adjustment according to the traction height required by the substation wire, greatly improving the practicality of the device, and making the device of the present invention have a wide range of uses.
[0040] The present invention discloses a conductor traction device for substation maintenance and a method for using the same. During use, the conductor traction device for substation maintenance is moved to a specific work site by a moving wheel assembly 12 with an adjuster, and the moving wheel assembly 12 with an adjuster and a stabilizing footrest 14 cooperate to achieve stable support for the entire frame 1; an expansion power mechanism 2 is started, and the expansion power mechanism 2 drives the adjusting arms 3 on both sides of the frame 1 to rotate, so as to change the opening and closing angle between the adjusting arms 3, so as to adjust the opening and closing degree between the adjusting arms 3 on both sides according to actual use requirements, thereby improving the traction stability; after the opening and closing angle is adjusted, a height power mechanism 9 is started, and the height power mechanism 9 drives the adjustable crossbeam 6 to move up and down along the adjusting arms 3, so as to facilitate adaptive adjustment according to the traction height required by the substation conductor 10; the traction work of the substation conductor 10 is achieved by the cooperation of the first conductor traction clamp 7 and the second conductor traction clamp 8 on both sides of the same adjustable crossbeam 6; the first conductor traction clamps on both sides of different adjustable crossbeams 6 can also be used to adjust the opening and closing degree between the adjusting arms 3 and the adjusting arms 3. 7 or the second conductor traction clamp 8 cooperates to realize the traction work of the transformer conductor 10; the traction work of the transformer conductor 10 can also be realized by passing the transformer conductor 10 through the hollow channel steel 63 and then fixing it; thereby realizing the traction work of the transformer conductor 10 in multiple directions; the first conductor traction clamp 7 and the second conductor traction clamp 8 can also realize the position change on the adjustable crossbeam 6 through the slide assembly 20, so that the first conductor traction clamp 7 and the second conductor traction clamp 8 are close to or away from each other, which is convenient for adjusting the spacing of multiple transformer conductors 10 to be pulled as needed; after adjusting the opening and closing angle and setting and fixing the transformer conductor 10 by the first conductor traction clamp 7 and the second conductor traction clamp 8, the stabilizing foot seat 14 and the adjuster of the moving wheel assembly 12 with the adjuster are retracted, and the moving wheel of the moving wheel assembly 12 with the adjuster drives the frame 1 to move as a whole, thereby realizing the traction operation of the transformer conductor 10; the present invention has the advantages of reasonable structure, convenient adjustment, good use effect and improved work efficiency. Example
[0041] like Figure 1-8As shown, a method for using a conductor traction device for substation maintenance, using the conductor traction device for substation maintenance as described above to complete the traction operation of the substation conductor, includes the following steps: Step 1: Move the conductor traction device for substation maintenance to a specific work location through the moving wheel assembly with an adjuster, and achieve stable support for the entire rack through the moving wheel assembly with an adjuster and a stable footrest; Step 2: Start the expansion power mechanism, which drives the adjustment arms on both sides of the frame to rotate, thereby changing the opening and closing angles between the adjustment arms, so as to adjust the opening and closing degrees between the adjustment arms on both sides according to actual use requirements and improve traction stability; Step 3: After the opening and closing angles are adjusted, the height power mechanism is started, and the height power mechanism drives the adjustable crossbeam to move up and down along the adjustment arm, so as to facilitate adaptive adjustment according to the traction height required by the substation conductor; Step 4: The traction work of the substation conductor is realized by cooperating with the first conductor traction clamp and the second conductor traction clamp at both sides of the same adjustable crossbeam; the traction work of the substation conductor can also be realized by cooperating with the first conductor traction clamp or the second conductor traction clamp at both sides of different adjustable crossbeams; the traction work of the substation conductor can also be realized by passing the substation conductor through the hollow channel steel and then fixing it; thereby realizing the traction work of the substation conductor in multiple directions; Step 5: The first conductor pulling clamp and the second conductor pulling clamp can also change their positions on the adjustable crossbeam through the slide assembly, so that the first conductor pulling clamp and the second conductor pulling clamp can be moved closer to or farther from each other, so as to adjust the spacing between multiple transformer conductors to be pulled according to the needs; Step 5: After adjusting the opening and closing angles and fixing the transformer conductor by means of the first conductor traction clamp and the second conductor traction clamp, retract the stabilizing foot and the adjuster of the moving wheel assembly with the adjuster, and drive the entire frame to move by the moving wheel of the moving wheel assembly with the adjuster, thereby realizing the traction operation of the transformer conductor.
Claims
1. A conductor pulling device for substation maintenance, comprising a frame and a conductor pulling assembly, characterized in that: An expansion power mechanism is arranged above the frame, and a group of adjustment arms are symmetrically arranged on the left and right sides of the expansion power mechanism. The outer sides of the adjustment arms are connected to the frame through a group of nitrogen spring hydraulic buffers; the wire pulling assembly is located above the inner side of the adjustment arm and the wire pulling assembly is slidably connected to the adjustment arm, so that the wire pulling assembly can move along the adjustment arm, and the traction operation of the substation wires with different directions is completed through the wire pulling assembly.
2. A conductor pulling device for substation maintenance as claimed in claim 1, characterized in that: The frame includes a base frame, and moving wheel assemblies with adjusters are arranged at the four corners of the bottom of the base frame. A middle support frame is arranged inside the base frame, and stable feet are arranged at the bottom of the front and rear sides of the middle support frame; a base pad for installing an expansion power mechanism is arranged on the top of the base frame, and mounting hinge brackets for connecting nitrogen spring hydraulic buffers are arranged at the four corners of the base pad.
3. A conductor pulling device for substation maintenance as claimed in claim 2, characterized in that: The expansion power mechanism includes a shaft seat with a "U"-shaped structure, and a group of first cranks and second cranks that are symmetrical on the inner side of the shaft seat are arranged. The first cranks and the second cranks are connected to the shaft seat shaft through a fixed shaft, and the input ends of the fixed shafts are connected to worm reducers. The worm reducers are power-connected to servo motors, and the first cranks and the second cranks are driven to rotate by the servo motors to achieve the adjustment of the opening and closing angles of the first cranks and the second cranks.
4. A conductor pulling device for substation maintenance as claimed in claim 3, characterized in that: The adjusting arm includes a group of square channel steels arranged symmetrically on the left and right, and the bottom of the square channel steels are fixedly connected to the corresponding first crank and second crank respectively; the inner side of the square channel steel is provided with a bottom support beam, a middle support beam and a top support beam from bottom to top, and both ends of the top of the square channel steel are provided with hinged seats.
5. A conductor pulling device for substation maintenance as claimed in claim 4, characterized in that: The nitrogen spring hydraulic buffer comprises a nitrogen cylinder and a nitrogen spring rod movably connected to the nitrogen cylinder; the bottom end of the nitrogen cylinder is connected to the mounting hinge bracket, and the upper end of the nitrogen spring rod is provided with a hinge joint, which is hinged to the hinge seat.
6. A conductor pulling device for substation maintenance as claimed in claim 5, characterized in that: The wire pulling assembly includes an adjustable crossbeam slidably mounted on an adjusting arm, and a first wire pulling clamp and a second wire pulling clamp movably mounted at both ends of the adjustable crossbeam; the adjustable crossbeam is moved along the adjusting arm through a height power mechanism; the first wire pulling clamp and the second wire pulling clamp are both slidably connected to the adjustable crossbeam through a slide assembly.
7. A conductor pulling device for substation maintenance as claimed in claim 6, characterized in that: The adjustable crossbeam comprises a slider fixing plate, the slider fixing plate is slidably connected to the square channel steel via a first nylon slider, and a hollow channel steel is arranged inside the slider fixing plate.
8. A conductor pulling device for substation maintenance as claimed in claim 7, characterized in that: The slide assembly includes a group of L-shaped plates arranged symmetrically on the left and right, and the L-shaped plates are connected to the corresponding first wire pulling clamp or second wire pulling clamp through a connecting rod. The inner side of the L-shaped plates is slidably connected to the hollow channel steel through a group of second nylon sliders.
9. A conductor pulling device for substation maintenance as claimed in claim 6, characterized in that: The height power mechanism includes a support installed on the inner side of the square channel steel and located above the middle support beam. A stepper motor is installed below the support. A lead screw is arranged above the support. The top end of the lead screw is connected to the top support beam through a top lead screw collar, and the bottom end is connected to the support through a bottom lead screw collar. The stepper motor is connected to the lead screw power through a Z-axis coupling; the lead screw is connected to the slider fixing plate through a lead screw seat.
10. A method for using a conductor traction device for substation maintenance, using the conductor traction device for substation maintenance as claimed in any one of claims 1 to 9 to complete the traction operation of the substation conductor, characterized in that: The following steps are involved: Step 1: Move the conductor traction device for substation maintenance to a specific work location through the moving wheel assembly with an adjuster, and achieve stable support for the entire rack through the moving wheel assembly with an adjuster and a stable footrest; Step 2: Start the expansion power mechanism, which drives the adjustment arms on both sides of the frame to rotate, thereby changing the opening and closing angles between the adjustment arms, so as to adjust the opening and closing degrees between the adjustment arms on both sides according to actual use requirements and improve traction stability; Step 3: After the opening and closing angles are adjusted, the height power mechanism is started, and the height power mechanism drives the adjustable crossbeam to move up and down along the adjustment arm, so as to facilitate adaptive adjustment according to the traction height required by the substation conductor; Step 4: The traction work of the substation conductor is realized by cooperating with the first conductor traction clamp and the second conductor traction clamp at both sides of the same adjustable crossbeam; the traction work of the substation conductor can also be realized by cooperating with the first conductor traction clamp or the second conductor traction clamp at both sides of different adjustable crossbeams; the traction work of the substation conductor can also be realized by passing the substation conductor through the hollow channel steel and then fixing it; thereby realizing the traction work of the substation conductor in multiple directions; Step 5: The first conductor pulling clamp and the second conductor pulling clamp can also change their positions on the adjustable crossbeam through the slide assembly, so that the first conductor pulling clamp and the second conductor pulling clamp can be moved closer to or farther from each other, so as to adjust the spacing between multiple transformer conductors to be pulled according to the needs; Step 6: After adjusting the opening and closing angle and fixing the transformer conductor by the first conductor traction clamp and the second conductor traction clamp, retract the stabilizing foot and the adjuster of the moving wheel assembly with the adjuster, and drive the entire frame to move by the moving wheel of the moving wheel assembly with the adjuster, thereby realizing the traction operation of the transformer conductor.