CN114105036B - An auxiliary disassembly and assembly platform for transformer maintenance - Google Patents

Abstract

The invention discloses an auxiliary dismounting platform for overhauling a transformer, which comprises a moving vehicle and a lifting mechanism arranged at the upper part of the moving vehicle, wherein moving wheels are arranged at the lower part of the moving vehicle, a supporting table surface is arranged at the upper part of the moving vehicle, the lifting mechanism comprises two groups of first lifting oil cylinders and two groups of second lifting oil cylinders, the two groups of first lifting oil cylinders are arranged at two ends of the supporting table surface, the two groups of second lifting oil cylinders are arranged between the two groups of first lifting oil cylinders, U-shaped brackets are arranged at the upper parts of piston rods of the first lifting oil cylinders and the second lifting oil cylinders, a hanging rail is clamped in the U-shaped brackets, a connecting plate is arranged in the middle of the hanging rail, hanging chains are arranged at two sides of the lower part of the connecting plate, hanging rings are arranged at the lower parts of the hanging chains, and the hanging rings are connected with two ends of the transformer. According to the invention, the lifting mechanism is arranged on the supporting table surface of the moving vehicle, and the two first lifting oil cylinders and the two second lifting oil cylinders on the lifting mechanism are matched with each other, so that the lifting mechanism crosses the cross beam in the process of dismounting the transformer, and long-distance transportation before and after dismounting the transformer is realized.

Description

An auxiliary disassembly and assembly platform for transformer maintenance

technical field

The invention belongs to the technical field of transformer maintenance auxiliary tooling, in particular to an auxiliary disassembly platform for transformer maintenance.

Background technique

The transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. As shown in Figure 1, the transformer is generally installed on a high place by means of column installation. Specifically, a beam 2 is installed on the upper part of two columns 1 to hoist the transformer 3 to the crossbeam 2 and fix it. The traditional transformer hoisting generally uses a crane or a crane. When disassembling the transformer in some narrow outdoor places or indoors, the crane or crane is inconvenient to enter, which brings great inconvenience to the disassembly and assembly of the transformer. .

After searching, the Chinese utility model patent with the publication number CN208054736U discloses a small and medium-sized transformer installation and positioning device, and specifically discloses the following features: including a beam, two support frames, a lifting mechanism and a walking mechanism, and the two support frames are respectively Set at both ends of the beam, the beam includes a first load-bearing beam, a second load-bearing beam, a third load-bearing beam and a first electric telescopic mechanism, the first load-bearing beam and the second load-bearing beam are connected by the first electric telescopic mechanism, The third load-bearing beam is connected to the second load-bearing beam through the first electric telescopic mechanism, the second load-bearing beam is provided with lifting lugs, the lifting mechanism is suspended on the lifting lugs, and the supporting frame includes an upper bracket, a lower bracket and a second electric telescopic mechanism. Telescopic mechanism, the upper bracket and the lower bracket are connected by the second electric telescopic mechanism, the two upper brackets are respectively connected with the first load-bearing beam and the third load-bearing beam, and the traveling mechanism is arranged on the lower bracket. Although it can realize the hoisting and dismantling of the transformer indoors, before the transformer is hoisted, the transformer needs to be moved to the vicinity of the column, and the positioning device needs to be crossed over the beam in Figure 1 in advance; when dismounting, the transformer can only be placed near the column After the transfer, there are certain limitations.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies in the prior art and provide an auxiliary disassembly and assembly platform for transformer maintenance, so as to solve the defect that the positioner cannot cross the beam when the transformer is disassembled and assembled.

In order to achieve the above object, the technical scheme adopted in the present invention is:

An auxiliary disassembly and assembly platform for transformer maintenance, including a mobile vehicle and a lifting mechanism arranged on the upper part of the mobile vehicle, the lower part of the mobile vehicle is provided with mobile wheels for moving the disassembly platform, and the upper part of the mobile vehicle is provided with a support platform, the lifting mechanism includes two sets of first lifting cylinders and two sets of second lifting cylinders, two sets of first lifting cylinders are arranged at both ends of the supporting platform, two sets of second lifting cylinders are arranged at two Between the first lifting oil cylinders, the upper parts of the piston rods of the first lifting oil cylinder and the second lifting oil cylinder are provided with U-shaped brackets, and the U-shaped brackets hold hanging rails in the middle of the hanging rails. There is a connecting plate, the two sides of the lower part of the connecting plate are provided with hanging chains, the lower part of the hanging chain is provided with lifting rings, and the lifting rings are connected with the two ends of the transformer.

As a further optimization of this technical solution, a scissor frame is provided on the lower part of the support table, and a lift cylinder is provided on one side of the scissor frame, the cylinder seat of the lift cylinder is hinged to the bottom of the frame of the mobile vehicle, and the piston rod of the lift cylinder is connected to the scissors. The fork frame is hinged so that the mobile vehicle constitutes a hydraulic lifting vehicle, which is convenient for the overall rapid lifting of the first lifting cylinder and the second lifting cylinder, and expands the lifting height of the first lifting cylinder and the second lifting cylinder, so that it is suitable for different Specifications of the transformer disassembled for use.

As a further optimization of this technical solution, the hanging rail is I-shaped steel, connecting arms are connected to both sides of the upper part of the connecting plate, and the upper end of the connecting arm is provided with a pulley, which is slidably installed on the hanging rail, and the pulley is convenient for the position of the hanging chain. The adjustment avoids the cable pull phenomenon when the lifting chain is lifted, and ensures the stability and safety of the transformer lifting.

As a further preference of this technical solution, guide grooves are provided on both sides of the upper part of the support platform, and a slider (not shown in the figure) that is slidably fitted with the guide groove is provided at the lower part of the second lifting cylinder. Installed inside the guide groove, the position of the second lifting oil cylinder can be adjusted, so as to adjust the supporting position of the second lifting oil cylinder, and facilitate the adjustment of the stability of the disassembly platform according to the lifting position of the transformer.

As a further optimization of this technical solution, a number of evenly arranged positioning holes are provided on both sides of the lower part of the suspension rail, and positioning columns are provided in the U-shaped bracket, and the positioning columns are inserted into the positioning holes with gaps, and the positioning columns and The positioning holes ensure the stability of the support of the U-shaped bracket and the hanging rail, and prevent the transformer from falling due to the sliding of the hanging rail on the U-shaped bracket when the disassembly platform moves.

As a further optimization of the technical solution, the upper opening of the U-shaped bracket and the upper part of the positioning column are beveled, so as to facilitate the fast and accurate docking of the U-shaped bracket and the suspension rail.

As a further preference of this technical solution, a supporting mechanism is provided in the middle of the supporting platform, and the supporting mechanism includes a third lifting cylinder, and the upper end of the piston rod of the third lifting cylinder is connected with a supporting plate; when the transformer is disassembled, Use the third lifting oil cylinder to lift repeatedly to shake the transformer, so as to prevent the fastening screws of the transformer from being difficult to remove due to long-term rust; when installing the transformer, use the third lifting oil cylinder to support the bottom of the transformer and slowly lower it to the beam , avoiding the deformation or even damage of the beam caused by the impact on the beam when the transformer is lowered.

As a further preference of this technical solution, the lower part of the third lifting cylinder is provided with a base, and the lower part of the base is rotatably mounted on the supporting platform through a rotating shaft, and a connecting column is provided on one side of the supporting platform, and one side of the connecting column is hinged There is a fine-tuning oil cylinder, the piston rod of the fine-tuning oil cylinder is hinged with the upper surface of the base; the fine-tuning oil cylinder is used for fine-tuning the position of the transformer when it is installed, and it is convenient for the alignment of the bolt holes.

As a further optimization of this technical solution, there are clamping blocks on both sides of the upper part of the supporting plate, and the lower part of the transformer is clamped between the two clamping blocks, and the clamping blocks prevent the supporting plate from slipping on the bottom of the transformer when the transformer position is fine-tuned.

As a further optimization of this technical solution, waist-shaped grooves are provided on both sides of the upper part of the supporting plate, an adjusting screw is connected to the lower part of the block, and an adjusting nut is connected to the lower part of the adjusting screw through the waist-shaped groove. The spacing of the side clamping blocks is adapted to the use of transformers of different specifications.

The beneficial effects of the present invention are:

1) In the present invention, a lifting mechanism is provided on the support platform of the mobile vehicle, and two first lifting cylinders and two second lifting cylinders on the lifting mechanism are used to cooperate with each other to cross the beam during the disassembly and assembly of the transformer. Long-distance transportation before and after disassembly and assembly of the transformer is realized.

2) There is a scissor frame on the lower part of the support table, and a lifting cylinder is provided on one side of the scissor frame. The cylinder seat of the lifting cylinder is hinged to the bottom of the frame of the mobile vehicle, and the piston rod of the lifting cylinder is hinged to the scissor frame, so that the mobile vehicle constitutes The hydraulic lifting car is convenient for the overall rapid lifting of the first lifting cylinder and the second lifting cylinder, and the lifting height of the first lifting cylinder and the second lifting cylinder is enlarged, so that it is suitable for the disassembly and assembly of transformers of different specifications.

3) The hanging rail is I-shaped steel, and the connecting arm is connected to both sides of the upper part of the connecting plate. The upper end of the connecting arm is provided with a pulley, which is slidably installed on the hanging rail. The phenomenon of cable pull is generated, which ensures the stability and safety of the transformer hoisting.

4) There are guide grooves on both sides of the upper part of the support platform, and a slider that is slidably matched with the guide groove is provided at the lower part of the second lifting cylinder. Adjust the support position of the second lifting oil cylinder to facilitate the adjustment of the stability of the disassembly platform according to the lifting position of the transformer.

5) There are a number of evenly arranged positioning holes on both sides of the lower part of the hanging rail. There are positioning columns in the U-shaped bracket, and the positioning columns are inserted into the positioning holes with gaps. The positioning columns and positioning holes ensure that the U-shaped The stability of the rail support prevents the transformer from falling due to the sliding of the hanging rail on the U-shaped bracket when the disassembly platform moves.

6) The upper opening of the U-shaped bracket and the upper part of the positioning column are beveled to facilitate the fast and accurate docking of the U-shaped bracket and the suspension rail.

7) There is a supporting mechanism in the middle of the supporting platform, which includes the third lifting cylinder, and the upper end of the piston rod of the third lifting cylinder is connected with a supporting plate; when the transformer is disassembled, use the third lifting cylinder to lift repeatedly The transformer shakes to prevent the fastening screws of the transformer from being difficult to remove due to long-term rusting; when the transformer is installed, use the third lifting cylinder to support the bottom of the transformer and slowly lower it to the beam, avoiding the impact on the beam when the transformer descends Cause beam deformation or even damage.

8) The lower part of the third lifting cylinder is provided with a base, and the lower part of the base is rotatably installed on the support table through a rotating shaft. There is a connecting column on one side of the supporting table, and a fine-tuning cylinder is hinged on one side of the connecting column. The piston rod of the fine-tuning cylinder is connected to the base. The surface is hinged; the fine-tuning oil cylinder is used for fine-tuning the position of the transformer during installation, which is convenient for the alignment of the bolt holes.

9) There are clamping blocks on both sides of the upper part of the support plate, and the lower part of the transformer is clamped between the two clamping blocks. The clamping blocks prevent the support plate and the bottom of the transformer from slipping when the transformer position is fine-tuned.

10) There are waist-shaped grooves on both sides of the upper part of the support plate, the lower part of the block is connected with an adjusting screw, and the lower part of the adjusting screw runs through the waist-shaped groove and connected with an adjusting nut. transformer used.

Description of drawings

Accompanying drawing 1 is the schematic diagram of transformer installation state.

Accompanying drawing 2 is the use status diagram of an auxiliary disassembly and assembly platform for transformer inspection and maintenance according to the present invention.

Accompanying drawing 3 is a schematic structural diagram of an auxiliary disassembly and assembly platform for transformer maintenance according to the present invention.

Accompanying drawing 4 is an exploded view of the suspension rail and the U-shaped bracket in an auxiliary disassembly and assembly platform for transformer maintenance according to the present invention.

Accompanying drawing 5 is a schematic diagram of the structure of the lifting chain in the auxiliary disassembly and assembly platform for transformer maintenance according to the present invention.

Accompanying drawing 6 is a structural schematic diagram of a supporting mechanism in an auxiliary dismounting platform for transformer maintenance according to the present invention.

Accompanying drawing 7 is a schematic structural diagram of the support plate in the auxiliary disassembly and assembly platform used for transformer maintenance according to the present invention.

Among the figure: 1, column; 2, crossbeam; 3, transformer; 4, mobile car; 401, mobile wheel; 402, supporting platform; 403, scissor frame; 404, lifting cylinder; One lifting oil cylinder; 502, the second lifting oil cylinder; 503, U-shaped bracket; 504, guide groove; 505, positioning column; 6, hanging rail; 601, positioning hole; 602, hanging chain; 603, lifting ring; 604 , connecting plate; 605, pulley; 606, connecting arm; 7, supporting mechanism; 701, base; 702, rotating shaft; 703, third lifting cylinder; 704, supporting plate; Block; 707, adjusting screw rod; 708, adjusting nut; 709, fine-tuning oil cylinder; 710, connecting column.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings 1-7. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, configuration, and operation in a particular orientation.

As shown in Figure 2-3, an auxiliary disassembly and assembly platform for transformer maintenance includes a mobile car 4 and a lifting mechanism 5 arranged on the upper part of the mobile car 4, and the lower part of the mobile car 4 is provided with a mobile wheel 401 for use For the movement of the disassembly and assembly platform, the upper part of the mobile vehicle 4 is provided with a support table 402, and the lifting mechanism 5 includes two groups of first lifting cylinders 501 and two groups of second lifting cylinders 502, two groups of first lifting cylinders 501 Set at both ends of the support table 402, two sets of second lifting cylinders 502 are set between two sets of first lifting cylinders 501, the upper parts of the piston rods of the first lifting cylinders 501 and the second lifting cylinders 502 are A U-shaped bracket 503 is provided, and the suspension rail 6 is clamped in the U-shaped bracket 503. The middle part of the suspension rail 6 is provided with a connecting plate 604, and the two sides of the lower part of the connecting plate 604 are provided with hanging chains 602. The lower part of the hanging chain 602 is provided with A lifting ring 603 is provided, and the lifting ring 603 is connected to both ends of the transformer 3 .

As shown in Figure 2-3, in the present embodiment, the scissor frame 403 is provided on the lower part of the support platform 402, and the lifting cylinder 404 is provided on one side of the scissor frame 403, and the cylinder seat of the lifting cylinder 404 is connected with the mobile vehicle 4. The bottom of the frame is hinged, and the piston rod of the lifting cylinder 404 is hinged with the scissor frame 403, so that the mobile vehicle 4 constitutes a hydraulic lifting vehicle, which is convenient for the first lifting cylinder 501 and the second lifting cylinder 502 to lift quickly as a whole, expanding the first lift. The lifting height of the lifting oil cylinder 501 and the second lifting oil cylinder 502 is suitable for the disassembly and assembly of transformers 3 of different specifications.

As shown in Figures 4-5, in this embodiment, the suspension rail 6 is I-shaped steel, connecting arms 606 are connected to both sides of the upper part of the connecting plate 604, and a pulley 605 is arranged on the upper end of the connecting arm 606, and the pulley 605 slides Installed on the suspension rail 6, the pulley 605 is convenient for the adjustment of the position of the suspension chain 602, avoiding the oblique pull phenomenon when the suspension chain 602 is hoisted, and ensuring the stability and safety of the transformer 3 hoisting.

As shown in Figure 3, in this embodiment, guide grooves 504 are provided on both sides of the upper part of the support platform 402, and sliders (not shown in the figure) that slide and fit with the guide grooves 504 are provided at the lower part of the second lifting cylinder 502. shown), the slider is installed in the guide groove 504 with a gap, so that the position of the second lifting cylinder 502 can be adjusted, thereby adjusting the supporting position of the second lifting cylinder 502, which is convenient for adjusting the dismounting platform according to the lifting position of the transformer 3 stability.

As shown in Figure 4, in this embodiment, a number of evenly arranged positioning holes 601 are provided on both sides of the lower part of the suspension rail 6, and a positioning column 505 is provided inside the U-shaped bracket 503, and the positioning column 505 is inserted in a gap. Connected in the positioning hole 601, the positioning column 505 and the positioning hole 601 ensure the stability of the support of the U-shaped bracket 503 and the hanging rail 6, and avoid the sliding of the hanging rail 6 on the U-shaped bracket 503 when the disassembly platform moves Cause transformer 3 to drop.

As shown in FIG. 4 , in this embodiment, the upper opening of the U-shaped bracket 503 and the upper part of the positioning column 505 are beveled to facilitate the fast and accurate docking of the U-shaped bracket 503 and the suspension rail 6 .

As shown in Figures 2-3 and Figure 6, in this embodiment, a support mechanism 7 is provided in the middle of the support platform 402, and the support mechanism 7 includes a third lifting cylinder 703, a third lifting cylinder 703 The upper end of the piston rod is connected with a supporting plate 704; when the transformer 3 is disassembled, the third lifting cylinder 703 is used to lift repeatedly to shake the transformer 3, so as to prevent the fastening screws of the transformer 3 from being difficult to remove due to long-term rusting; When the transformer 3 is installed, the third lifting cylinder 703 is used to support the bottom of the transformer 3 and slowly descend to the beam 2, so as to avoid the deformation or even damage of the beam 2 caused by the impact of the transformer 3 when it descends.

As shown in Figure 6, in this embodiment, a base 701 is provided at the lower part of the third lifting cylinder 703, and the lower part of the base 701 is rotatably mounted on the supporting platform 402 through a rotating shaft 702, and one side of the supporting platform 402 is A connecting column 710 is provided, and one side of the connecting column 710 is hinged with a fine-tuning oil cylinder 709, and the piston rod of the fine-tuning oil cylinder 709 is hinged with the upper surface of the base 701;

As shown in Figures 6-7, in this embodiment, there are clamping blocks 706 on both sides of the upper part of the supporting plate 704, and the lower part of the transformer 3 is clamped between the two clamping blocks 706, and the clamping blocks 706 prevent the transformer 3 from When the position is fine-tuned, the support plate 704 and the bottom of the transformer 3 slip.

As shown in Figure 7, in this embodiment, waist-shaped grooves 705 are provided on both sides of the upper part of the supporting plate 704, and an adjusting screw 707 is connected to the lower part of the block 706, and the lower part of the adjusting screw 707 passes through the waist-shaped groove 705 to connect There are adjusting nuts 708 and waist-shaped slots 705 to facilitate the adjustment of the distance between the blocks 706 on both sides, thereby adapting to the use of transformers 3 of different specifications.

When the transformer 3 is installed, the transformer 3 is first placed on the supporting platform 402 of the mobile vehicle 4, the transformer 3 is hoisted by the lifting chain 602, the mobile vehicle 4 is moved to one side of the column 1, and then the first lifting cylinder 501 and the piston rod of the second lifting cylinder 502 are elongated, so that the height of the bottom of the transformer 3 is higher than the crossbeam 2, and then the piston rod of the first lifting cylinder 501 on the right side is dropped, and now the suspension rail 6 is lifted by the first lifting cylinder 501 on the left side. The lifting oil cylinder 501 and the two second lifting oil cylinders 502 are supported. After the mobile vehicle 4 moves to the position passing through the first lifting oil cylinder 501 on the right side, the piston rod of the first lifting oil cylinder 501 on the right side is extended. , so that the U-shaped bracket 503 at the upper end supports the suspension rail 6, and then the second lifting cylinder 502 on the right side is contracted. Lifting oil cylinder 502 is supported, and after mobile vehicle 4 moves to the position passing through the second lifting oil cylinder 502 on the right side, the piston rod of the second lifting oil cylinder 502 on the right side is extended. At this time, the two first lifting oil cylinders 501 and two second lifting cylinders 502 support the suspension rail 6 at the same time; continue to move the mobile vehicle 4 to move the transformer 3 to the upper part of the beam 2, and make the bolt holes of the transformer 3 roughly aligned with the bolt holes of the beam 2 , and then the third lifting cylinder 703 is stretched out so that the supporting plate 704 supports the bottom of the transformer 3, and the blocks 706 on both sides of the supporting plate 704 are stuck on both sides of the transformer 3, and the transformer 3 slowly descends. In this process, the fine-tuning oil cylinder 709 is controlled to expand and contract to rotate the support plate 704, so that the bolt holes of the transformer 3 and the bolt holes of the beam 2 are precisely aligned, and the installation of the transformer 3 is completed.

When the transformer 3 is disassembled, first move the mobile vehicle 4 to the lower part of the beam 2 according to the above sequence, connect the lifting chain 602 to the transformer 3, and then remove the connecting bolts between the transformer 3 and the beam 2. During this period, in order to facilitate the disassembly of the connecting bolts, you can use The third lifting oil cylinder 703 lifts the transformer 3 repeatedly to cause micro-motion. After the transformer 3 is disassembled, the lifting mechanism 5 lifts the transformer 3, and the moving vehicle 4 moves to the left. The second lifting oil cylinder 502 on the right side and The first lifting oil cylinder 501 is withdrawn successively, so that its piston rod crosses the crossbeam 2. During this period, there are three support points at the lower part of the suspension rail 6 to ensure the stability of the transformer 3 hoisting. After the transformer 3 is disassembled, the mobile vehicle 4 is used to transport the transformer 3 to a designated location.

The above content is only an example and description of the structure of the present invention. Those skilled in the art make various modifications or supplements to the described specific embodiments or replace them in similar ways, as long as they do not deviate from the structure of the invention. Or beyond the scope defined in the claims, all should belong to the protection scope of the present invention.

Claims (10)

1. An auxiliary disassembly and assembly platform for transformer maintenance, comprising a mobile vehicle and a lifting mechanism arranged on the upper part of the mobile vehicle, the lower part of the mobile vehicle is provided with moving wheels, and the upper part of the mobile vehicle is provided with a support table, characterized in that, The lifting mechanism includes two sets of first lifting cylinders and two sets of second lifting cylinders, the two sets of first lifting cylinders are arranged at both ends of the support platform, and the two sets of second lifting cylinders are arranged at the first two groups of lifting cylinders. Between the lifting cylinders, the upper parts of the piston rods of the first lifting cylinder and the second lifting cylinder are provided with U-shaped brackets, and the U-shaped brackets hold hanging rails in the middle of the hanging rails. plate, the two sides of the lower part of the connecting plate are provided with hanging chains, and the lower part of the hanging chain is provided with lifting rings, which are connected with both ends of the transformer. 2. An auxiliary disassembly and assembly platform for transformer maintenance according to claim 1, characterized in that, a scissor frame is provided at the lower part of the support table, and a lifting cylinder is provided on one side of the scissor frame, and the cylinder of the lifting cylinder The seat is hinged with the bottom of the frame of the mobile car, and the piston rod of the lifting cylinder is hinged with the scissor frame. 3. An auxiliary disassembly and assembly platform for transformer maintenance according to claim 1, characterized in that, the suspension rail is I-shaped steel, connecting arms are connected to both sides of the upper part of the connecting plate, and the upper end of the connecting arm is provided with The pulley is slidably installed on the suspension rail. 4. An auxiliary disassembly platform for transformer maintenance according to claim 3, characterized in that guide grooves are provided on both sides of the upper part of the support platform, and guide grooves are provided on the lower part of the second lifting cylinder. Sliding fit slider, the slider is mounted with clearance inside the guide groove. 5. An auxiliary disassembly and assembly platform for transformer maintenance according to claim 4, characterized in that a number of evenly arranged positioning holes are provided on both sides of the lower part of the suspension rail, and the U-shaped bracket is provided with The positioning column is inserted into the positioning hole with gaps. 6 . The auxiliary assembly and disassembly platform for transformer maintenance according to claim 5 , wherein both the upper opening of the U-shaped bracket and the upper part of the positioning column are beveled. 7 . 7. An auxiliary disassembly and assembly platform for transformer maintenance according to any one of claims 1-6, wherein a support mechanism is provided in the middle of the support platform, and the support mechanism includes a third As for the lifting cylinder, the upper end of the piston rod of the third lifting cylinder is connected with a support plate. 8. An auxiliary disassembly and assembly platform for transformer maintenance according to claim 7, characterized in that, the lower part of the third lifting cylinder is provided with a base, and the lower part of the base is rotatably installed on the support platform through a rotating shaft , one side of the support table is provided with a connecting column, one side of the connecting column is hinged with a fine-tuning oil cylinder, and the piston rod of the fine-tuning oil cylinder is hinged with the upper surface of the base. 9 . The auxiliary disassembly platform for transformer maintenance according to claim 8 , characterized in that, there are clamping blocks on both sides of the upper part of the support plate, and the lower part of the transformer is clamped between the two clamping blocks. 10. An auxiliary disassembly and assembly platform for transformer maintenance according to claim 9, characterized in that waist-shaped grooves are provided on both sides of the upper part of the supporting plate, and an adjusting screw is connected to the lower part of the clamping block to adjust The lower part of the screw rod passes through the waist-shaped groove and is connected with an adjusting nut.

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