500kV disconnecting switch comprehensive maintenance platform

Abstract

The invention relates to the technical field of disconnecting switch maintenance, in particular to a 500kV disconnecting switch comprehensive maintenance platform which comprises a fixed adjusting main body, auxiliary maintenance main bodies and a supporting control main body, the fixed adjusting main body is arranged at the upper end of the supporting control main body, and the auxiliary maintenance main bodies are evenly distributed on the outer side of the fixed adjusting main body. The auxiliary maintenance main body is arranged on the supporting control main body, the supporting control main body comprises a rotating supporting disc, a limiting supporting frame, a fixed mounting disc and a third motor, the third motor is fixedly mounted in the limiting supporting frame, and the rotating supporting disc is rotationally clamped in the middle of the upper end of the limiting supporting frame; the driving end of the third motor is fixedly connected with the middle of the bottom end of the rotary supporting disc. In the using process, 500kV disconnecting switches of different specifications and sizes can be rapidly and automatically fixed to complete overhauling treatment.

Description

Technical Field

[0001] The invention relates to the technical field of disconnector maintenance, in particular to a 500kV disconnector comprehensive maintenance platform. Background Art

[0002] 500 kV disconnectors are important equipment used to isolate, disconnect and connect circuits in power systems. They are designed to handle voltage levels of 500 kV (5 million volts) and are mainly used for the separation and combination of long-distance transmission lines to ensure the safety and efficient operation of power systems. When inspecting and repairing 500 kV disconnectors, it is necessary to clean the dust and dirt on the surface of the disconnectors, check for mechanical damage, replace severely damaged parts, check for dust and dirt on exposed parts of the transmission and operating mechanisms, add lubricating oil to the main moving links, and check the pull rods, crankshafts, worm gears and transmission shafts. Check whether there is any mechanical deformation or damage, whether the movement is flexible, whether the pins are complete and firm, check and tighten the fixing screws of the supporting base or frame, ensure that the grounding terminal is fastened, and the grounding wire is intact. However, the existing comprehensive maintenance platform for disconnectors has a single maintenance function during use, and cannot quickly clamp and fix 500kV disconnectors of different sizes for comprehensive and convenient maintenance, which makes comprehensive and rapid maintenance inconvenient and greatly reduces the efficiency of step-by-step maintenance. Therefore, a device is needed to solve the above-mentioned problems. Summary of the invention

[0003] In view of the problems in the prior art, the present invention provides a 500kV disconnector comprehensive maintenance platform.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a 500kV disconnector comprehensive maintenance platform, including a fixed adjustment body, an auxiliary maintenance body and a support control body, the fixed adjustment body is arranged at the upper end of the support control body, the auxiliary maintenance body is evenly distributed on the outside of the fixed adjustment body, and the auxiliary maintenance body is arranged on the support control body, the support control body includes a rotating support plate, a limit support frame, a fixed installation plate and a third motor, the third motor is fixedly installed inside the limit support frame, the rotating support plate is rotatably clamped in the middle of the upper end of the limit support frame, and the driving end of the third motor is fixedly connected to the middle of the bottom end of the rotating support plate.

[0005] Preferably, the fixed adjustment body includes a first clamping limit portion, a second clamping limit portion, a main inspection and placement table and a rotating support adjustment frame, the rotating support adjustment frame is fixedly connected to the middle part of the bottom end of the main inspection and placement table, the second clamping limit portion is arranged at both ends of the main inspection and placement table, the first clamping limit portion is arranged in the middle of both sides of the main inspection and placement table, and the first clamping limit portion and the second clamping limit portion have the same structure.

[0006] Preferably, a support frame is provided directly below the middle part of the main inspection placement table, and the upper end of the support frame is rotatably clamped on the rotating support adjustment frame, the side end of the rotating support adjustment frame is fixedly installed with a rotating adjustment gear, and the middle part of the rotating adjustment gear is fixedly connected to the side end of the upper part of the support frame, auxiliary support side frames are fixedly installed on both sides of the support frame, a driving adjustment gear is rotatably installed on the auxiliary support side frames, and the driving adjustment gear is meshed with the rotating adjustment gear, the first motor is fixedly installed on the auxiliary support side frames, and the driving end of the first motor is fixedly connected to the middle part of the driving adjustment gear.

[0007] Preferably, the first clamping limit portion includes a side limit support frame, an adjustment control gear, a synchronous rotation rod, a limit support bracket, a second motor, a sliding adjustment tooth plate, a support mounting frame, a lifting adjustment bracket, a fixed mounting frame, a first electric push rod, a limit column, a locking and fastening threaded column, a pressing and fixing plate and a sliding adjustment bracket, the sliding adjustment tooth plate is symmetrically arranged, the support mounting frame is fixedly mounted on the end of the sliding adjustment tooth plate by bolts, the limit column is evenly fixedly mounted on the support mounting frame, and the sliding adjustment bracket is slidably clamped on the limit column The locking and fastening threaded column is evenly threadedly rotated and inserted into the sliding adjustment bracket, and the driving end of the locking and fastening threaded column is squeezed and contacted with the limiting column, the lifting and adjusting bracket is fixedly installed on the sliding adjustment bracket, the fixed mounting frame is fixedly installed on the upper end of the lifting and adjusting bracket, the first electric push rod is symmetrically fixedly installed on the fixed mounting frame, the pressing and fixing plate is arranged directly below the front end of the lifting and adjusting bracket, and the bottom end of the first electric push rod passes through the lifting and adjusting bracket and is fixedly connected to the upper end of the pressing and fixing plate.

[0008] Preferably, the auxiliary maintenance main body includes a mounting platform, a lifting and adjusting frame, a fourth motor, a limiting track plate, a sliding adjustment bracket, a fixed support mounting bracket, a second electric push rod and a third electric push rod, the sliding adjustment bracket is slidably clamped on the limiting track plate, the fixed support mounting bracket is fixedly connected to the bottom of the outer end of the limiting track plate, the second electric push rod is symmetrically fixedly installed on the fixed support mounting bracket, the front end of the second electric push rod is fixedly connected to the bottom of the sliding adjustment bracket, the third electric push rod is evenly and symmetrically fixedly installed on the sliding adjustment bracket, the lifting and adjusting frame is fixedly installed on the upper end of the third electric push rod, the mounting platform is transferred and arranged in the middle of the upper end of the lifting and adjusting frame, the fourth motor is fixedly installed inside the lifting and adjusting frame, and the driving end of the fourth motor is fixedly connected to the middle of the bottom end of the mounting platform.

[0009] Preferably, six auxiliary maintenance bodies are provided, and the end heads of the limit track plates in the six auxiliary maintenance bodies are fixedly connected to the limit support frame.

[0010] Preferably, the side limit support frame and the limit support bracket are fixedly connected to the bottom end of the main maintenance placement table, and the end of the sliding adjustment tooth plate is slidably clamped inside the main maintenance placement table.

[0011] Preferably, the bottom end of the support frame is fixedly connected to the middle part of the upper end of the rotating support plate, and the mounting platform is distributed on the outside of the main maintenance placement platform.

[0012] Preferably, the pressing and fixing plate is located above the outer side of the edge of the main maintenance placement table, and a rubber gasket is fixedly installed on the bottom end of the pressing and fixing plate by bolts.

[0013] Preferably, angle sensors are provided at the outer ends of the driving adjustment gear and the rotating adjustment gear.

[0014] Beneficial effects of the present invention:

[0015] 1. During the use of the present invention, 500kV disconnectors of different sizes can be quickly and automatically fixed to complete maintenance processing, and the second motor in the first clamping limit part and the second clamping limit part can be started synchronously. The second motor can make the symmetrically arranged adjustment control gears rotate synchronously with the help of the synchronous rotating rod, and the rotating adjustment control gear can drive the supporting mounting frame to achieve lateral movement adjustment through the sliding adjustment tooth plate, and the pressing position of each pressing and fixing plate can be adaptively adjusted, so that the pressing and fixing plates in the first clamping limit part and the second clamping limit part are moved to the position above the edge of the base of the 500kV disconnector, and the first electric push rod can drive the pressing and fixing plate to move downward to press the edge position of the base of the 500kV disconnector to achieve fixation and limit processing, so that the pressing and fixing plate can press and fix the base of 500kV disconnectors of different thicknesses, and also make it convenient for the equipment to lock and fix 500kV disconnectors of different specifications, so as to facilitate comprehensive maintenance.

[0016] 2. According to the present invention, after the 500kV disconnector that needs to be repaired is fixed, various automatic repair and cleaning and maintenance equipment can be installed on the mounting table in each auxiliary repair body according to the different repair contents. When repairing the fixed 500kV disconnector, the rotating driving adjustment gear can rotate the rotating support adjustment frame and the main repair placement table on the upper end of the support frame by rotating the adjustment gear, so as to adjust and control the angle of the 500kV disconnector during repair. The third motor can rotate the rotating support plate, so that the fixed 500kV disconnector rotates between various auxiliary repair bodies. When it rotates to the auxiliary repair body at the specified position, the auxiliary repair body The second electric push rod operates, and the second electric push rod moves the sliding adjustment support plate along the limit track plate toward the position of the 500kV disconnector, so that the detection and cleaning setting fixed on the mounting table is close to the 500kV disconnector, which is convenient for the inspection and processing of the 500kV disconnector, and the fourth motor and the third electric push rod can rotate and adjust the setting fixed on the mounting table to a use angle, a use height and a position, so that the 500kV disconnector can be fully inspected and processed, and the evenly arranged auxiliary maintenance bodies can fix different maintenance and maintenance settings, so that the equipment can quickly and accurately realize comprehensive maintenance and repair of the 500kV disconnector at one time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective;

[0019] Figure 2It is a schematic diagram of the fixed adjustment main structure in the present invention;

[0020] Figure 3 It is a schematic diagram of the bottom structure of the fixed adjustment body in the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the first clamping and limiting part in the present invention;

[0022] Figure 5 It is a schematic diagram of the supporting control main structure in the present invention;

[0023] Figure 6 It is a schematic diagram of the internal structure of the limiting support frame in the present invention;

[0024] Figure 7 It is a schematic diagram of the auxiliary maintenance main structure of the present invention;

[0025] Figure 8 It is a schematic diagram of the outer end structure of the driving adjustment gear and the rotating adjustment gear in the present invention.

[0026] In the figure: 1-fixed adjustment body, 2-auxiliary maintenance body, 3-support control body, 4-support frame, 5-drive adjustment gear, 6-auxiliary support side frame, 7-first clamping limit part, 8-second clamping limit part, 9-main maintenance placement table, 10-first motor, 11-rotation adjustment gear, 12-rotation support adjustment frame, 13-side limit support frame, 14-adjustment control gear, 15-synchronous rotation rod, 16-limit support bracket, 17-second motor, 18-sliding adjustment gear plate, 19-support mounting frame, 20-lift Lowering adjustment bracket, 21-fixed mounting frame, 22-first electric push rod, 23-limiting column, 24-locking fastening threaded column, 25-pressing fixing plate, 26-sliding adjustment bracket, 27-rotating support plate, 28-limiting support frame, 29-fixed mounting plate, 30-third motor, 31-mounting table, 32-lifting adjustment frame, 33-fourth motor, 34-limiting track plate, 35-sliding adjustment bracket, 36-fixed support mounting bracket, 37-second electric push rod, 38-third electric push rod, 39-angle sensor. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0028] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0029] The present invention is further described below in conjunction with the accompanying drawings.

[0030] Example 1

[0031] like Figure 1 , Figure 5 and Figure 6 As shown, a 500kV disconnector comprehensive maintenance platform of the present invention comprises a fixed adjustment body 1, an auxiliary maintenance body 2 and a support control body 3, wherein the fixed adjustment body 1 is arranged at the upper end of the support control body 3, the auxiliary maintenance body 2 is evenly distributed on the outside of the fixed adjustment body 1, and the auxiliary maintenance body 2 is arranged on the support control body 3, the support control body 3 comprises a rotating support disk 27, a limit support frame 28, a fixed installation disk 29 and a third motor 30, the third motor 30 is fixedly installed inside the limit support frame 28, the rotating support disk 27 is rotatably clamped in the middle of the upper end of the limit support frame 28, and the driving end of the third motor 30 is fixedly connected to the middle of the bottom end of the rotating support disk 27, and starting the third motor 30 can make the rotating support disk 27 rotate, thereby making the fixed 500kV disconnector rotate between each auxiliary maintenance body 2.

[0032] like Figure 2 and Figure 3As shown, the fixed adjustment body 1 includes a first clamping limit portion 7, a second clamping limit portion 8, a main maintenance placement table 9 and a rotating support adjustment frame 12, the rotating support adjustment frame 12 is fixedly connected to the middle of the bottom end of the main maintenance placement table 9, the second clamping limit portion 8 is arranged at both ends of the main maintenance placement table 9, the first clamping limit portion 7 is arranged in the middle of both sides of the main maintenance placement table 9, and the first clamping limit portion 7 and the second clamping limit portion 8 have the same structure, a support frame 4 is arranged directly below the middle of the main maintenance placement table 9, and the upper end of the support frame 4 is rotatably clamped on the rotating support adjustment frame 12, and the side end of the rotating support adjustment frame 12 is fixedly installed with a rotating adjustment gear 11, and the rotating adjustment gear 11 The middle part is fixedly connected to the side end of the upper part of the support frame 4, and auxiliary support side frames 6 are fixedly installed on both sides of the support frame 4. A driving adjustment gear 5 is rotatably installed on the auxiliary support side frame 6, and the driving adjustment gear 5 is meshed with the rotating adjustment gear 11. The first motor 10 is fixedly installed on the auxiliary support side frame 6, and the driving end of the first motor 10 is fixedly connected to the middle part of the driving adjustment gear 5. The first motor 10 is started to drive the driving adjustment gear 5 to rotate. The rotating driving adjustment gear 5 can make the rotating support adjustment frame 12 and the main maintenance placement table 9 rotate at the upper end of the support frame 4 through the rotating adjustment gear 11, thereby adjusting and controlling the angle during the maintenance of the 500kV disconnector.

[0033] like Figure 4As shown, the first clamping limit portion 7 includes a side limit support frame 13, an adjustment control gear 14, a synchronous rotation rod 15, a limit support bracket 16, a second motor 17, a sliding adjustment tooth plate 18, a support mounting frame 19, a lifting adjustment bracket 20, a fixed mounting frame 21, a first electric push rod 22, a limit column 23, a locking and fastening threaded column 24, a pressing and fixing plate 25 and a sliding adjustment bracket 26. The sliding adjustment tooth plate 18 is symmetrically arranged, the support mounting frame 19 is fixedly installed on the end of the sliding adjustment tooth plate 18 by bolts, and the limit column 23 is evenly fixedly installed on the support The support mounting frame 19, the sliding adjustment bracket 26 is slidably connected to the limit column 23, the locking and fastening threaded column 24 is evenly threaded and inserted into the sliding adjustment bracket 26, and the driving end of the locking and fastening threaded column 24 is pressed and contacted with the limit column 23, the lifting adjustment bracket 20 is fixedly installed on the sliding adjustment bracket 26, the fixed mounting frame 21 is fixedly installed on the upper end of the lifting adjustment bracket 20, the first electric push rod 22 is symmetrically fixedly installed on the fixed mounting frame 21, the pressing and fixing plate 25 is arranged directly below the front end of the lifting adjustment bracket 20, and the bottom of the first electric push rod 22 is fixedly installed on the fixed mounting frame 21. The end of the lifting adjustment bracket 20 is fixedly connected to the upper end of the pressing and fixing plate 25. The second motor 17 can make the symmetrically arranged adjustment control gear 14 rotate synchronously with the help of the synchronous rotating rod 15. The rotating adjustment control gear 14 can drive the supporting mounting frame 19 to realize lateral movement adjustment through the sliding adjustment tooth plate 18. The use of each pressing and fixing plate 25 can be adjusted to the pressing position adaptation, so that the pressing and fixing plate 25 in the first clamping limit part 7 and the second clamping limit part 8 is moved to the position above the edge of the 500kV disconnector base, and then started The first electric push rod 22 can drive the pressing and fixing plate 25 to move downward to press the edge of the base of the 500kV disconnector to achieve fixation and limit processing, and by screwing and locking the fastening threaded column 24, the sliding adjustment bracket 26 can be controlled and adjusted to be raised and lowered along the limiting column 23, thereby indirectly adjusting the use position and height of the lifting and adjusting bracket 20, the first electric push rod 22 and the pressing and fixing plate 25, so that the pressing and fixing plate 25 can press, fix and lock the base of the 500kV disconnector with different thicknesses.

[0034] like Figure 7As shown, the auxiliary maintenance body 2 includes a mounting platform 31, a lifting adjustment frame 32, a fourth motor 33, a limit track plate 34, a sliding adjustment support plate 35, a fixed support mounting bracket 36, a second electric push rod 37 and a third electric push rod 38. The sliding adjustment support plate 35 is slidably clamped on the limit track plate 34, the fixed support mounting bracket 36 is fixedly connected to the bottom of the outer end of the limit track plate 34, the second electric push rod 37 is symmetrically fixedly installed on the fixed support mounting bracket 36, the front end of the second electric push rod 37 is fixedly connected to the bottom of the sliding adjustment support plate 35, the third electric push rod 38 is evenly and symmetrically fixedly installed on the sliding adjustment support plate 35, the lifting adjustment frame 32 is fixedly installed on the upper end of the third electric push rod 38, and the lifting adjustment frame 32 is fixedly installed on the upper end of the third electric push rod 38. The mounting platform 31 is transferred and arranged in the middle of the upper end of the lifting and adjusting frame 32, the fourth motor 33 is fixedly installed inside the lifting and adjusting frame 32, and the driving end of the fourth motor 33 is fixedly connected to the middle of the bottom end of the mounting platform 31, and the second electric push rod 37 moves the sliding adjustment support plate 35 along the limit track plate 34 toward the position of the 500kV disconnector, so that the detection and cleaning device fixed on the mounting platform 31 is close to the 500kV disconnector, which is convenient for the inspection and processing of the 500kV disconnector, and the fourth motor 33 and the third electric push rod 38 can rotate and adjust the angle of use, as well as the height and position of use of the device fixed on the mounting platform 31, so as to fully inspect and process the 500kV disconnector.

[0035] There are six auxiliary maintenance bodies 2, and the ends of the limiting track plates 34 in the six auxiliary maintenance bodies 2 are fixedly connected to the limiting support frame 28, playing a role of fixed connection.

[0036] The side limit support frame 13 and the limit support bracket 16 are fixedly connected to the bottom end of the main maintenance placement table 9, and the end of the sliding adjustment tooth plate 18 is slidably connected to the inside of the main maintenance placement table 9, playing the role of sliding support and limit.

[0037] The bottom end of the support frame 4 is fixedly connected to the middle part of the upper end of the rotating support plate 27, and the mounting platform 31 is distributed on the outside of the main maintenance placement platform 9, so that the isolating switch fixed on the main maintenance placement platform 9 can be easily maintained.

[0038] The pressing and fixing plate 25 is located above the outer side of the edge of the main maintenance placement table 9, and a rubber gasket is fixedly installed on the bottom end of the pressing and fixing plate 25 by bolts to play a role of buffering and protection.

[0039] The working principle of Example 1 is as follows: when in use, the device can be fixedly installed in a designated position through a fixed mounting plate 29, and the 500kV disconnector that needs to be repaired is placed in the middle of the main maintenance placement table 9. According to the different sizes of the 500kV disconnector, the first clamping limit part 7 and the second motor 17 in the second clamping limit part 8 are started synchronously, and the symmetrically arranged adjustment control gear 14 can be rotated synchronously by the second motor 17 with the help of the synchronous rotating rod 15. The rotating adjustment control gear 14 can drive the support mounting frame 19 to realize lateral movement adjustment through the sliding adjustment tooth plate 18, and the use of each pressing and fixing plate 25 can be adaptively adjusted, so that the pressing and fixing plates 2 in the first clamping and limiting parts 7 and the second clamping and limiting parts 8 are pressed. 5 is moved to the position above the edge of the 500kV disconnector base, and then the first electric push rod 22 is started. The first electric push rod 22 can drive the pressing and fixing plate 25 to move downward to press the edge of the base of the 500kV disconnector to achieve fixation and limit processing, and by screwing and locking the fastening threaded column 24, the sliding adjustment bracket 26 can be controlled and adjusted to be lifted and lowered along the limit column 23, so that the use position and height of the lifting adjustment bracket 20, the first electric push rod 22 and the pressing and fixing plate 25 can be indirectly adjusted, so that the pressing and fixing plate 25 can press, fix and lock the base of 500kV disconnectors of different thicknesses, and the equipment can also conveniently lock and fix 500kV disconnectors of different specifications, so as to facilitate comprehensive maintenance;

[0040] After the 500kV disconnector that needs to be repaired is fixed, various automatic repair and cleaning and maintenance equipment can be installed on the mounting table 31 in each auxiliary repair body 2 according to the repair content. When repairing the fixed 500kV disconnector, the first motor 10 is started to drive the driving adjustment gear 5 to rotate. The rotating driving adjustment gear 5 can rotate the rotating support adjustment frame 12 and the main repair placement table 9 on the upper end of the support frame 4 through the rotating adjustment gear 11, so as to adjust and control the angle of the 500kV disconnector during repair. Starting the third motor 30 can rotate the rotating support plate 27, so that the fixed 500kV disconnector can rotate between the auxiliary repair bodies 2 and rotate to the auxiliary repair body at the specified position. 2, the second electric push rod 37 in the auxiliary maintenance body 2 runs, and the second electric push rod 37 moves the sliding adjustment support plate 35 along the limit track plate 34 toward the position of the 500kV disconnector, so that the detection and cleaning setting fixed on the mounting platform 31 is close to the 500kV disconnector, which is convenient for the maintenance and processing of the 500kV disconnector, and the fourth motor 33 and the third electric push rod 38 can rotate and adjust the setting fixed on the mounting platform 31 to a use angle, as well as a use height and position, so as to fully inspect and process the 500kV disconnector, and the evenly arranged auxiliary maintenance bodies 2 can fix different maintenance and maintenance settings, so that the equipment can realize comprehensive maintenance and repair of the 500kV disconnector at one time.

[0041] Example 2

[0042] On the basis of Example 1, Figure 8 As shown, angle sensors 39 are provided at the outer ends of the driving adjustment gear 5 and the rotating adjustment gear 11 .

[0043] When implementing this embodiment, the angle sensor 39 provided can accurately and real-time monitor and detect the rotation angles of the rotating adjustment gear 11 and the driving adjustment gear 5, and accurately adjust and control the tilting and rotating angle of the main maintenance placement platform 9, so that the fixed 500kV disconnector can be accurately and conveniently subjected to comprehensive maintenance, making the maintenance angle convenient, and playing a role in assisting accurate detection and adjustment.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A 500 kV disconnector comprehensive maintenance platform, comprising a fixed adjustment body (1), an auxiliary maintenance body (2) and a support control body (3), characterized in that: The fixed adjustment body (1) is arranged at the upper end of the support control body (3), the auxiliary maintenance body (2) is evenly distributed on the outer side of the fixed adjustment body (1), and the auxiliary maintenance body (2) is arranged on the support control body (3), the support control body (3) comprises a rotating support plate (27), a limit support frame (28), a fixed installation plate (29) and a third motor (30), the third motor (30) is fixedly installed inside the limit support frame (28), the rotating support plate (27) is rotatably clamped in the middle of the upper end of the limit support frame (28), and the driving end of the third motor (30) is fixedly connected to the middle of the bottom end of the rotating support plate (27).

2. A 500kV isolating switch comprehensive maintenance platform according to claim 1, characterized in that: The fixed adjustment body (1) comprises a first clamping limit portion (7), a second clamping limit portion (8), a main maintenance placement table (9), a first motor (10) and a rotating support adjustment frame (12); the rotating support adjustment frame (12) is fixedly connected to the middle of the bottom end of the main maintenance placement table (9); the second clamping limit portion (8) is arranged at both ends of the main maintenance placement table (9); the first clamping limit portion (7) is arranged in the middle of both sides of the main maintenance placement table (9); and the first clamping limit portion (7) and the second clamping limit portion (8) have the same structure.

3. A 500kV isolating switch comprehensive maintenance platform according to claim 2, characterized in that: A support frame (4) is arranged directly below the middle of the main maintenance placement table (9), and the upper end of the support frame (4) is rotatably connected to the rotating support adjustment frame (12), a rotating adjustment gear (11) is fixedly installed on the side end of the rotating support adjustment frame (12), and the middle part of the rotating adjustment gear (11) is fixedly connected to the side end of the upper part of the support frame (4), auxiliary support side frames (6) are fixedly installed on both sides of the support frame (4), a driving adjustment gear (5) is rotatably installed on the auxiliary support side frame (6), and the driving adjustment gear (5) is meshed with the rotating adjustment gear (11), and the first motor (10) is fixedly installed on the auxiliary support side frame (6), and the driving end of the first motor (10) is fixedly connected to the middle part of the driving adjustment gear (5).

4. A 500kV isolating switch comprehensive maintenance platform according to claim 3, characterized in that: The first clamping and limiting part (7) comprises a side limiting support frame (13), an adjustment control gear (14), a synchronous rotating rod (15), a limiting support bracket (16), a second motor (17), a sliding adjustment tooth plate (18), a support mounting frame (19), a lifting adjustment bracket (20), a fixed mounting frame (21), a first electric push rod (22), a limiting column (23), a locking and fastening threaded column (24), a pressing and fixing plate (25), a sliding adjustment bracket (26), a rotating support plate (27) and a limiting support frame (28), wherein the sliding adjustment tooth plate (18) is symmetrically arranged, the support mounting frame (19) is fixedly mounted on the end of the sliding adjustment tooth plate (18) by bolts, the limiting column (23) is evenly fixedly mounted on the support mounting frame (19), and ... The adjusting bracket (26) is slidably clamped on the limiting column (23), the locking and fastening threaded column (24) is evenly threadedly rotated and plugged into the sliding adjusting bracket (26), and the driving end of the locking and fastening threaded column (24) is in extrusion contact with the limiting column (23), the lifting and adjusting bracket (20) is fixedly mounted on the sliding adjusting bracket (26), the fixed mounting frame (21) is fixedly mounted on the upper end of the lifting and adjusting bracket (20), the first electric push rod (22) is symmetrically fixedly mounted on the fixed mounting frame (21), the pressing and fixing plate (25) is arranged directly below the front end of the lifting and adjusting bracket (20), and the bottom end of the first electric push rod (22) passes through the lifting and adjusting bracket (20) and is fixedly connected to the upper end of the pressing and fixing plate (25).

5. A 500kV isolating switch comprehensive maintenance platform according to claim 4, characterized in that: The auxiliary maintenance body (2) comprises a mounting platform (31), a lifting adjustment frame (32), a fourth motor (33), a limit track plate (34), a sliding adjustment support plate (35), a fixed support mounting bracket (36), a second electric push rod (37) and a third electric push rod (38), wherein the sliding adjustment support plate (35) is slidably connected to the limit track plate (34), the fixed support mounting bracket (36) is fixedly connected to the bottom of the outer end of the limit track plate (34), and the second electric push rod (37) is symmetrically fixedly mounted on the fixed support mounting bracket (36). The front end of the second electric push rod (37) is fixedly connected to the bottom of the sliding adjustment support plate (35), the third electric push rod (38) is evenly and symmetrically fixedly installed on the sliding adjustment support plate (35), the lifting adjustment frame (32) is fixedly installed on the upper end of the third electric push rod (38), the mounting platform (31) is arranged in the middle of the upper end of the lifting adjustment frame (32), the fourth motor (33) is fixedly installed inside the lifting adjustment frame (32), and the driving end of the fourth motor (33) is fixedly connected to the middle of the bottom end of the mounting platform (31).

6. A 500kV isolating switch comprehensive maintenance platform according to claim 5, characterized in that: The auxiliary maintenance bodies (2) are provided with six, and the ends of the position-limiting track plates (34) in the six auxiliary maintenance bodies (2) are fixedly connected to the position-limiting support frame (28).

7. A 500kV isolating switch comprehensive maintenance platform according to claim 6, characterized in that: The side limit support frame (13) and the limit support bracket (16) are fixedly connected to the bottom end of the main maintenance placement table (9), and the end of the sliding adjustment tooth plate (18) is slidably engaged inside the main maintenance placement table (9).

8. A 500kV isolating switch comprehensive maintenance platform according to claim 7, characterized in that: The bottom end of the support frame (4) is fixedly connected to the middle part of the upper end of the rotating support plate (27), and the mounting platform (31) is distributed on the outside of the main maintenance placement platform (9).

9. A 500kV isolating switch comprehensive maintenance platform according to claim 8, characterized in that: The pressing and fixing plate (25) is located above the outer side of the edge of the main maintenance placement platform (9), and a rubber gasket is fixedly installed at the bottom end of the pressing and fixing plate (25) by bolts.

10. A 500kV isolating switch comprehensive maintenance platform according to claim 9, characterized in that: Angle sensors (39) are provided at the outer ends of the driving adjustment gear (5) and the rotation adjustment gear (11).

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