Composite insulating glue impregnated paper bushing of transformer, mounting equipment and mounting method

Abstract

The invention relates to a transformer composite insulation glue impregnated paper sleeve, installation equipment and an installation method, and relates to the technical field of transformer equipment.The installation equipment comprises an installation frame, the installation frame comprises a first plate and a second plate, the ends, in the length direction, of the first plate and the second plate are hinged, and an installation groove is formed in the end, away from the second plate, of the first plate; a supporting plate used for supporting the sleeve is slidably connected to the first plate, and a plurality of rotating rollers are rotatably connected to the side, close to the mounting groove, of the supporting plate at equal intervals. Before installation, the side wall of the casing pipe can be tightly attached to the interior of the installation groove, then the casing pipe is clamped by sliding the supporting plate, then the installation frame is installed on the L-shaped plate, a worker does not need to hold the casing pipe with hands, manpower is saved, the worker does not need to support the casing pipe with the hands, and then the convenience of casing pipe installation is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of transformer equipment, and in particular to a transformer composite insulating glue-impregnated paper bushing, installation equipment and installation method. Background Art

[0002] Transformer bushing is an important component of the transformer. The main function of the transformer bushing is to provide electrical insulation, protect the output cables and insulators of the transformer, and prevent electrical faults or short circuits.

[0003] Transformer bushings are divided into many types, such as long and short types, and are used in many different scenarios and locations. When installing the transformer bushing, some are installed horizontally to the side of the L-shaped plate, and some are installed vertically on the upper end surface of the L-shaped plate. During installation, one end of the transformer bushing is usually equipped with a flange with holes on it. These holes are used to correspond to the through holes on the L-shaped plate. The staff will pass the screw through the flange and the L-shaped plate in turn, and then use the nut to screw it onto the screw to complete the fixation of the other flange and the L-shaped plate, and then fix the transformer bushing to the L-shaped plate.

[0004] With regard to the above-mentioned related technologies, when the staff fix the transformer bushing horizontally on the L-shaped plate, they usually need to support the transformer bushing with their hands or other equipment, then place the transformer bushing on the L-shaped plate to be connected, then align the hole of the flange with the through hole of the L-shaped plate, and then fix it with bolts. It is difficult to align the through holes, and the staff need to spend more time to align the hole positions. Moreover, when inserting the bolts to fix, if the support for the transformer bushing is unstable, the transformer bushing will be displaced, and the position of the transformer bushing will need to be adjusted later. In addition, the manpower or material resources consumed in supporting the transformer bushing are large, and the convenience of installing the transformer bushing is low. Summary of the invention

[0005] In order to solve the above problems, the present application provides a transformer composite insulation glue-impregnated paper bushing, an installation device and an installation method.

[0006] The present application provides a transformer composite insulation rubber impregnated paper bushing, which adopts the following technical solution: A transformer composite insulating rubber-impregnated paper bushing includes a capacitor core, characterized in that: a plurality of connection terminals are arranged at one end of the capacitor core in the length direction, a silicone rubber shed is arranged circumferentially of the capacitor core, a connecting flange is arranged at one end of the capacitor core in the length direction, a plurality of connecting holes are arranged on the connecting flange, the connecting holes include a connecting hole 1 and a connecting hole 2, and the connecting flange is slidably connected to two through-columns along the width direction, one of the through-columns passes through the connecting hole 1, and the other through-column passes through the connecting hole 2.

[0007] Optionally, a plurality of gear teeth are arranged at equal intervals in the circumferential direction of the connecting flange.

[0008] Optionally, an extension rod is provided at one end of the two through columns in the length direction, the extension rod and the through column are arranged perpendicular to each other, a connecting flange is provided with a plurality of recovery grooves, the plurality of recovery grooves correspond one to one with the extension rods, and a recovery member is provided in each of the recovery grooves, one end of the plurality of recovery members in the length direction is fixedly connected to the side wall of the recovery groove, and the other end of the recovery member in the length direction is fixedly connected to the corresponding extension rod.

[0009] Optionally, one end of the through column away from the extension rod is rounded.

[0010] In a second aspect, the present application provides a composite insulating glue-impregnated paper bushing installation device.

[0011] A composite insulating glue-impregnated paper bushing installation device comprises a mounting frame, wherein the mounting frame comprises a plate one and a plate two, wherein one end of the plate one and the plate two in the length direction are hingedly arranged, an installation groove is provided at the end of the plate one away from the plate two, a support plate for supporting the bushing is slidably connected to the plate one, and a plurality of rotating rollers are rotatably connected to the side of the support plate close to the installation groove at equal intervals.

[0012] Optionally, the ends of plate one and plate two that are away from each other are provided with abutment portions, the abutment portions include mounting hooks, each mounting hook is provided with two ball grooves, abutment balls are rotated in the ball grooves, and when the mounting frame is connected to the L-shaped plate, the side walls of the L-shaped plate are located between the two abutment balls.

[0013] Optionally, the abutting portion located on plate one is configured as an abutting portion, which is vertically slidably connected to plate one, and which is horizontally slidably connected to an adjustment rod, and a rack is provided on one side of the adjustment rod close to the mounting groove, and the rack is adapted to the gear teeth.

[0014] Optionally, a cylinder 1 is provided on one side of the plate 1 in the length direction, and the piston rod of the cylinder 1 is fixedly connected to one end of the support plate in the length direction. A cylinder 2 is provided on the other side of the plate 1 in the length direction, and the piston rod of the cylinder 2 is fixedly connected to one end of the support plate in the length direction.

[0015] In a third aspect, the present application provides a method for installing a composite insulating glue-impregnated paper bushing.

[0016] A composite insulating rubber-impregnated paper bushing installation method comprises the following steps: S1: Install and fix the sleeve on plate 1; S2: Install plate 2 on the upper end surface of the L-shaped plate, and install plate 1 on the side surface of the L-shaped plate; S3: Slide the installation device to move the sleeve to the L-shaped plate to be connected; S4: Align the connection holes of the connection flange with the through holes of the L-shaped plate, and use bolts to connect the flange and the L-shaped plate in sequence to complete the fixation.

[0017] Optionally, the specific installation steps of step S4 include: S401: The sliding adjustment rod drives the rack to move, and the sleeve is rotated under the action of the rack, so that the connecting hole is aligned with the through hole of the sleeve, and the column is inserted into the connecting hole; S402: Install a nut at the end of the through-column away from the extension rod, and clamp the L-shaped plate and the connecting flange between the nut and the extension rod; S403: Install bolts into the connection holes that are not provided with through-columns, and use the bolts to pass through the connection holes and through-holes to fix the connection flange and the L-shaped plate.

[0018] In summary, the present application includes at least one of the following beneficial technical effects: 1. When installing the sleeve, move the connecting flange to the L-shaped plate to be connected, then rotate the sleeve, align the connecting hole with the through hole, and insert the through-column into the through hole. The staff can directly install the bolts into the connecting hole without the through-column, and use the bolts to pass through the connecting hole and the through hole to fix the connecting flange and the L-shaped plate. The structure is simple and the installation is convenient. When installing the bolts, there is no need to hold the sleeve by hand, thereby improving the convenience of installing the sleeve and saving manpower. 2. Move the connecting flange to the part to be connected of the L-shaped plate. If the connecting hole is not directly aligned with the through hole, the through column moves away from the L-shaped plate. As the sleeve is rotated, the connecting hole is aligned with the through hole. The through column passes through the L-shaped plate under the action of the restoration part, and then the sleeve is supported on the L-shaped plate. The staff does not need to support the sleeve by hand, thereby improving the convenience of installing the sleeve and saving manpower. 3. After the through-column passes through the L-shaped plate, a nut is installed at the end of the through-column away from the extension rod, and then the L-shaped plate and the connecting flange are clamped between the nut and the extension rod to complete the initial fixation of the L-shaped plate and the sleeve. The structure is simple and the convenience of fixing the connecting flange is high; 4. Before installation, the side wall of the casing can be firstly pressed against the installation groove, and then the casing can be clamped by sliding the support plate, and then the mounting frame can be installed on the L-shaped plate. The staff does not need to support the casing by hand, which saves manpower; at this time, the through-column moves in the direction away from the L-shaped plate, and the mounting frame is slid to the connection position of the L-shaped plate. If the connection hole is not directly aligned with the through hole, the casing can be easily rotated by rotating the casing under the action of several rotating rollers. As the casing is rotated and the connection hole is aligned with the through hole, the through-column passes through the L-shaped plate under the action of the restoration part, and then the casing is supported on the L-shaped plate. The staff does not need to support the casing by hand, thereby improving the convenience of installing the casing; 5. When installing the mounting frame on the L-shaped plate, place the second plate on the upper end surface of the L-shaped plate, and use the abutment hook to hook the upper end surface of the L-shaped plate. At this time, the upper end of the L-shaped plate is located between the abutment balls. Then place the first plate on the side of the L-shaped plate, and slide the first plate to hook the mounting hook on the side of the L-shaped plate. At this time, the side of the L-shaped plate is located between the abutment balls. The installation of the mounting frame is completed. The structure is simple and the installation is convenient. 6. When adjusting the sleeve, the connecting flange can be rotated by pulling the adjusting rod, so as to align the connecting hole with the through hole. The structure is simple and the driving is convenient. 7. By operating the piston rod of cylinder one to extend and retract, the first part can be driven to move, thereby completing the installation and removal of plate one. By operating the piston rod of cylinder two to extend and retract, the support plate can be driven to move, thereby completing the clamping and loosening of the sleeve. The structure is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The present invention is a schematic diagram of the overall structure of a transformer composite insulating rubber-impregnated paper bushing.

[0020] Figure 2 is a schematic diagram showing the connecting flange.

[0021] Figure 3 It is a schematic cross-sectional view showing the restored part.

[0022] Figure 4 The present invention is a schematic diagram of the overall structure of a composite insulating glue-impregnated paper bushing installation device.

[0023] Figure 5 is a diagram showing the mounting slot.

[0024] Explanation of the reference numerals in the accompanying drawings: 100, L-shaped plate; 200, horizontal plate; 300, vertical plate; 1, capacitor core; 11, terminal; 12, silicone rubber umbrella skirt; 2, connecting flange; 21, connecting hole; 22, connecting hole one; 23, connecting hole two; 24, through column; 241, extension rod; 25, gear tooth; 26, restoration groove; 261, restoration part; 3, mounting frame; 4, plate one; 41, mounting groove; 42, support plate; 43, rotating roller; 44, cylinder one; 45, cylinder two; 5, plate two; 6, abutment part; 61, mounting hook; 62, ball groove; 63, abutment ball; 64, abutment part; 65, adjustment rod; 66, rack. DETAILED DESCRIPTION

[0025] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0026] The embodiment of the present application discloses a composite insulating glue-impregnated paper bushing for a transformer.

[0027] Reference Figures 1 to 3 A transformer composite insulating rubber impregnated paper bushing, comprising a capacitor core 1, a plurality of connection terminals 11 are arranged at one end of the capacitor core 1 in the length direction, a silicone rubber shed 12 is arranged in the circumference of the capacitor core 1, a connecting flange 2 is arranged at one end of the capacitor core 1 in the length direction, a plurality of connecting holes 21 are arranged on the connecting flange 2, the connecting holes 21 include a connecting hole 1 22 and a connecting hole 23, the connecting flange 2 is slidably connected to two through-pillars 24 along the width direction, one of the through-pillars 24 passes through the connecting hole 1 22, and the other through-pillar 24 passes through the connecting hole 23, When installing the sleeve, move the sleeve toward the L-shaped plate 100, move the connecting flange 2 to the part to be connected of the L-shaped plate 100, and then rotate the sleeve. When the connecting hole 21 is aligned with the through hole, the through column 24 extends into the through hole. The staff can directly install the bolts into the connecting hole 21 without the through column 24, and use the bolts to pass through the connecting hole 21 and the through hole to fix the connecting flange 2 and the L-shaped plate 100. The structure is simple and the installation is convenient. When installing the bolts, there is no need to hold the sleeve by hand, thereby improving the convenience of installing the sleeve and saving manpower.

[0028] Reference Figures 1 to 3 , one end of the two through-columns 24 in the length direction is provided with an extension rod 241, the extension rod 241 and the through-column 24 are arranged perpendicular to each other, the connecting flange 2 is provided with a plurality of recovery grooves 26, the plurality of recovery grooves 26 correspond to the extension rods 241 one by one, and a recovery member 261 is provided in each of the recovery grooves 26, one end of the plurality of recovery members 261 in the length direction is fixedly connected to the side wall of the recovery groove 26, and the other end of the recovery member 261 in the length direction is fixedly connected to the corresponding extension rod 241, and the connection method is connected. Lan 2 moves to the connection position of the L-shaped plate 100. If the connecting hole 21 is not directly aligned with the through hole, the through column 24 abuts against the L-shaped plate 100 and moves away from the L-shaped plate 100 under the action of the L-shaped plate 100. As the sleeve is rotated to align the connecting hole 21 with the through hole, the end of the through column 24 away from the extension rod 241 is rounded, thereby improving the convenience of the through column 24 entering the through hole. The through column 24 passes through the L-shaped plate 100 under the action of the restoration part 261.

[0029] The restoring member 261 may be a spring or other restoring member 261 that can drive the extension rod 241 and the through column 24 to restore.

[0030] Reference Figures 1 to 3 A plurality of gear teeth 25 are arranged at equal intervals in the circumferential direction of the connecting flange 2. When the sleeve is rotated, a driving member adapted to the gear teeth 25 can be used to mesh with the gear teeth 25, and then the connecting flange 2 is driven to rotate by the driving member, thereby driving the sleeve to rotate, thereby improving the convenience of rotating the sleeve.

[0031] Reference Figures 1 to 3The sleeve can be supported on the L-shaped plate 100 through two through-columns 24, and the staff does not need to support the sleeve with their hands, thereby improving the convenience of installing the sleeve and saving manpower; an external thread is provided at one end of the through-column 24 away from the extension rod 241; a nut is installed at the end of the through-column 24 away from the extension rod 241, and then the L-shaped plate 100 and the connecting flange 2 are clamped between the nut and the extension rod 241, thereby completing the preliminary fixation of the L-shaped plate 100 and the sleeve, the structure is simple, and the convenience of fixing the connecting flange 2 is high; then bolts are installed in other connecting holes 21 and through holes to complete the fixation of the sleeve and the L-shaped plate 100, which has high stability and high convenience during installation.

[0032] The embodiment of the present application also discloses a composite insulating glue-impregnated paper bushing installation device.

[0033] Reference Figure 4 and Figure 5 A composite insulating glue-impregnated paper bushing installation device comprises a mounting frame 3, the mounting frame 3 comprises a plate 1 4 and a plate 2 5, one end of the plate 1 4 and the plate 2 5 in the length direction is hingedly arranged, a mounting groove 41 is provided at the end of the plate 1 4 away from the plate 2 5, a support plate 42 for supporting the bushing is slidably connected to the plate 1 4, a side of the support plate 42 close to the mounting groove 41 is rotatably connected to a plurality of rotating rollers 43 at equal intervals; a side of the mounting groove 41 close to the support plate 42 is also rotatably connected to a plurality of rotating rollers 43 at equal intervals. Before installing the sleeve on the L-shaped plate 100, first connect the sleeve to the plate 4; first move the support plate 42 away from the installation groove 41 to clamp the sleeve; then install the mounting frame 3 on the L-shaped plate 100. At this time, the mounting frame 3 can support the sleeve, and the staff does not need to support the sleeve by hand, saving manpower; at this time, the through column 24 moves away from the L-shaped plate 100, slides the mounting frame 3 to the connection position of the L-shaped plate 100, and then installs the sleeve, thereby improving the convenience of installing the sleeve.

[0034] Reference Figure 4 and Figure 5 A cylinder 2 45 is provided on the other side of the plate 1 4 in the length direction. The piston rod of the cylinder 2 45 is fixedly connected to one end of the support plate 42 in the length direction. When the sleeve is placed in the mounting groove 41 for clamping, the piston rod of the cylinder 2 45 is operated to retract, thereby driving the support plate 42 to move. The structure is simple and the driving is convenient.

[0035] Reference Figure 4 and Figure 5, the ends of plate 1 4 and plate 2 5 that are away from each other are both provided with abutment parts 6, and the abutment parts 6 include mounting hooks 61, and each mounting hook 61 is provided with two ball grooves 62, and abutment balls 63 are rotated in the ball grooves 62; plate 2 5 is placed above the L-shaped plate 100, and the L-shaped plate 100 includes a horizontal plate 200 and a vertical plate 300, and the horizontal plate 200 is located at the upper end of the vertical plate 300, and the horizontal plate 200 is fixedly connected to one side of the vertical plate 300 in the length direction, and the horizontal plate 200 is hooked by the mounting hooks 61 on plate 2 5, and then plate 2 5 is moved toward the direction close to the vertical plate 300, at this time, the abutment balls 63 will be located on both sides of the horizontal plate 200, clamping the horizontal plate 200.

[0036] The contact ball 63 can be made of plastic or rubber material and has a certain elasticity.

[0037] Reference Figure 4 and Figure 5 The abutting portion 6 located on the plate 4 is configured as an abutting portion 64, which is vertically slidably connected to the plate 4. A cylinder 44 is provided on one side of the length direction of the plate 4. The piston rod of the cylinder 44 is fixedly connected to one end of the abutting portion 64 in the length direction. The plate 4 is placed on the side of the vertical plate 300 away from the horizontal plate 200, and then the piston rod of the cylinder 44 is operated to retract, and the vertical plate 300 is hooked by the mounting hook 61 on the plate 4. At this time, the abutting balls 63 are located on both sides of the vertical plate 300 to clamp the vertical plate 300.

[0038] Reference Figure 4 and Figure 5 If the installation position of the mounting frame 3 is at a certain distance from the connection point, the mounting frame 3 can be slid along the length direction of the L-shaped plate 100, and the abutment ball 63 can rotate in the ball groove 62 to move the sleeve to the connection point; if the connection hole 21 (refer to Figure 2 ) is not directly aligned with the through hole, the sleeve can be manipulated to rotate.

[0039] Reference Figure 4 and Figure 5 , a portion 64 is horizontally slidably connected with an adjusting rod 65, the adjusting rod 65 extends to the outside of the plate 1 4, and a rack 66 is provided on the side of the adjusting rod 65 close to the mounting groove 41, and the rack 66 is adapted to the gear 25. By sliding the adjusting rod 65, the rack 66 is moved to a position meshing with the gear 25, and then the adjusting rod 65 is slid, and the connecting flange 2 is driven to rotate under the action of the rack 66, and then the sleeve is driven to rotate. The structure is simple and the driving is convenient; under the action of a plurality of rotating rollers 43, the sleeve can be easily rotated. As the sleeve is rotated, when the connecting hole 21 is aligned with the through hole, the through column 24 is in the restoration part 261 (refer to Figure 3) passes through the L-shaped plate 100, and then the sleeve is supported on the L-shaped plate 100. The staff does not need to support the sleeve with their hands, saving manpower; then the sleeve and the L-shaped plate 100 can be installed with bolts. At this time, the sleeve is supported by the mounting frame 3, with high stability, and the staff can easily install it, which is very convenient.

[0040] The working principle of a transformer composite insulating rubber-impregnated paper bushing according to an embodiment of the present application is as follows: the bushing is installed on the plate 1 4, and then the plate 2 5 is hooked with the horizontal plate 200 by using the installation hook 61 on the plate 2 5, and then the vertical plate 300 is hooked by using the installation hook 61 on the plate 1 4. If the installation position of the mounting frame 3 is at a certain distance from the part to be connected at this time, the mounting frame 3 can be slid along the length direction of the L-shaped plate 100 to move the bushing to the part to be connected. If the connection hole 21 is not directly aligned with the through hole, the adjustment rod 65 is slid to move the rack 66 to the part aligned with the wheel. The tooth 25 meshes in the position, and then the sliding adjustment rod 65 drives the connecting flange 2 to rotate under the action of the rack 66, and then drives the sleeve to rotate. The through column 24 passes through the L-shaped plate 100 under the action of the restoration part 261, and then supports the sleeve on the L-shaped plate 100. The staff does not need to support the sleeve with their hands, saving manpower; then the sleeve and the L-shaped plate 100 can be installed with bolts. At this time, the sleeve is supported by the mounting frame 3, with high stability, and the staff can install it very conveniently, which is very convenient.

[0041] The embodiment of the present application also discloses a method for installing a composite insulating glue-impregnated paper bushing.

[0042] A composite insulating rubber-impregnated paper bushing installation method comprises the following steps: S1: Install and fix the sleeve on the plate 1 4. First, the side wall of the sleeve is tightly attached to the installation groove 41, and then the output shaft of the cylinder 2 45 is operated to retract, and the sleeve is clamped by the support plate 42.

[0043] S2: Install plate 2 5 on the upper end surface of the L-shaped plate 100, and install plate 1 4 on the side surface of the L-shaped plate 100.

[0044] S3: Slide the installation device to move the sleeve to the L-shaped plate 100 to be connected.

[0045] S4: align the connection hole 21 of the connection flange 2 with the through hole of the L-shaped plate 100, and connect the flange 2 and the L-shaped plate 100 in sequence with bolts to complete the fixation.

[0046] S401: The sliding adjustment rod 65 drives the rack 66 to move, and the sleeve is rotated under the action of the rack 66, so that the connecting hole 21 is aligned with the through hole of the sleeve, and the through column 24 enters the connecting hole 21; S402: Install a nut on the end of the through column 24 away from the extension rod 241, and clamp the L-shaped plate 100 and the connecting flange 2 between the nut and the extension rod 241; S403: Install bolts into the connection holes 21 that are not penetrated by the through-columns 24, and use the bolts to pass through the connection holes 21 and the through-holes to fix the connection flange 2 and the L-shaped plate 100.

[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A transformer composite insulation rubber-impregnated paper bushing, comprising a capacitor core (1), characterized in that: A plurality of connection terminals (11) are arranged at one end of the capacitor core (1) in the length direction, a silicone rubber shed (12) is arranged around the capacitor core (1), a connection flange (2) is arranged at one end of the capacitor core (1) in the length direction, a plurality of connection holes (21) are arranged on the connection flange (2), the connection holes (21) include a first connection hole (22) and a second connection hole (23), and the connection flange (2) is slidably connected to two through-pillars (24) along the width direction, one of the through-pillars (24) passes through the first connection hole (22), and the other through-pillar (24) passes through the second connection hole (23).

2. The transformer composite insulation rubber-impregnated paper bushing according to claim 1, characterized in that: The connecting flange (2) is provided with a plurality of gear teeth (25) at equal intervals in the circumferential direction.

3. The transformer composite insulation rubber-impregnated paper bushing according to claim 2, characterized in that: An extension rod (241) is provided at one end of the two through-columns (24) in the length direction. The extension rod (241) and the through-column (24) are arranged perpendicular to each other. The connecting flange (2) is provided with a plurality of restoration grooves (26). The plurality of restoration grooves (26) correspond to the extension rods (241) one by one. A restoration member (261) is provided in each of the restoration grooves (26). One end of the plurality of restoration members (261) in the length direction is fixedly connected to the side wall of the restoration groove (26), and the other end of the restoration member (261) in the length direction is fixedly connected to the corresponding extension rod (241).

4. The transformer composite insulation rubber-impregnated paper bushing according to claim 3, characterized in that: The end of the through column (24) away from the extension rod (241) is rounded, and the end of the through column (24) away from the extension rod (241) is provided with an external thread.

5. A composite insulating rubber impregnated paper bushing installation device, characterized in that: The transformer composite insulating rubber-impregnated paper bushing described in claim 3 is installed, comprising a mounting frame (3), wherein the mounting frame (3) comprises a plate one (4) and a plate two (5), wherein one end of the plate one (4) and the plate two (5) in the length direction is hingedly arranged, and an installation groove (41) is provided at one end of the plate one (4) away from the plate two (5), and a support plate (42) for supporting the bushing is slidably connected to the plate one (4), and a plurality of rotating rollers (43) are rotatably connected at equal intervals on one side of the support plate (42) close to the installation groove (41).

6. The composite insulating adhesive-impregnated paper bushing installation device according to claim 4 is characterized by: The ends of the plate 1 (4) and the plate 2 (5) that are away from each other are both provided with abutment parts (6), the abutment parts (6) comprising mounting hooks (61), each mounting hook (61) being provided with two ball grooves (62), abutment balls (63) being rotatable in the ball grooves (62), and when the mounting frame (3) is connected to the L-shaped plate (100), the side walls of the L-shaped plate (100) are both located between the two abutment balls (63).

7. The composite insulating adhesive-impregnated paper bushing installation device according to claim 5 is characterized by: The abutting portion (6) located on the plate one (4) is configured as an abutting portion (64), the abutting portion (64) is vertically slidably connected to the plate one (4), the abutting portion (64) is horizontally slidably connected to an adjustment rod (65), a rack (66) is provided on one side of the adjustment rod (65) close to the mounting groove (41), and the rack (66) is adapted to the gear teeth (25).

8. The composite insulating adhesive-impregnated paper bushing installation device according to claim 7 is characterized by: A cylinder 1 (44) is provided on one side of the plate 1 (4) in the length direction, and a piston rod of the cylinder 1 (44) is fixedly connected to one end of the support portion (64) in the length direction; a cylinder 2 (45) is provided on the other side of the plate 1 (4) in the length direction, and a piston rod of the cylinder 2 (45) is fixedly connected to one end of the support plate (42) in the length direction.

9. A method for installing a composite insulating rubber-impregnated paper bushing, characterized in that: Using the composite insulating rubber-impregnated paper bushing installation device described in claim 8 to install a transformer composite insulating rubber-impregnated paper bushing on an L-shaped plate (100), the steps include: S1: Install and fix the sleeve on plate 1 (4); S2: Install the second plate (5) on the upper end surface of the L-shaped plate (100), and install the first plate (4) on the side surface of the L-shaped plate (100); S3: Sliding the installation device to move the sleeve to the L-shaped plate (100) to be connected; S4: aligning the connection hole (21) of the connection flange (2) with the through hole of the L-shaped plate (100), and connecting the flange (2) and the L-shaped plate (100) in sequence with bolts to complete the fixation.

10. A composite insulating adhesive-impregnated paper bushing installation method according to claim 9, characterized in that: The specific installation steps of step S4 include: S401: The sliding adjustment rod (65) drives the rack (66) to move, and the rack (66) drives the sleeve to rotate, so that the connecting hole (21) is aligned with the through hole of the sleeve, and the through column (24) enters into the connecting hole (21); S402: Install a nut on the end of the through column (24) away from the extension rod (241), and clamp the L-shaped plate (100) and the connecting flange (2) between the nut and the extension rod (241); S403: Install bolts into the connection holes (21) that are not provided with the through-columns (24), and use the bolts to pass through the connection holes (21) and the through-holes to fix the connection flange (2) and the L-shaped plate (100).

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