CN115533844A

CN115533844A - Maintenance tool

Info

Publication number: CN115533844A
Application number: CN202110650742.9A
Authority: CN
Inventors: 李泓胜; 李明顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-12-30

Abstract

The invention belongs to the technical field of maintenance, in particular to a maintenance tool. According to the invention, the fixed frame, the second hydraulic cylinder, the ejection block, the extrusion piece, the wiping fiber board and the arc wiping protrusion are arranged, when the generator set is clamped by the clamping ring, the second hydraulic cylinder is adjusted to drive the multiple layers of extrusion pieces on the ejection block to be in contact with the wiping fiber board, so that the wiping fiber board is ejected out, the wiping fiber board is in close contact with each surface of the generator set, meanwhile, the arc wiping protrusion on the flexible sheet slides into each concave point on the generator set, and when the first hydraulic cylinder is adjusted to drive the wiping fiber board to wipe oil stains, the wiping fiber board and the arc wiping protrusion are in close extrusion contact with each convex surface and each concave surface of the generator set, so that perfect wiping is realized, and the stability of the generator set in the clamping process is ensured through the clamping ring.

Description

Maintenance tool

Technical Field

The invention relates to the technical field of maintenance, in particular to a maintenance tool.

Background

The generator set is a complete set of mechanical equipment for converting energy in other forms into electric energy, consists of a power system, a control system, a silencing system, a damping system and an exhaust system, is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to a generator, and then converts the mechanical energy into electric energy to be output to electric equipment for use; the generator has wide application in industrial and agricultural production, national defense, science and technology and daily life; with the recent technological progress, lightweight portable small-sized generator sets are also beginning to enter the daily lives of residents as high-quality choices of household emergency power supplies and field trip power supplies.

The existing generator set needs to be lifted through a fixed lifting device when the existing generator set is maintained at the utmost, so that maintenance personnel can maintain the generator set comprehensively, the existing lifting device is used for clamping and lifting the side surface of the generator set, the side surface of the engine set possibly causes the use process, the oil stain is attached to the outer wall of the generator set, the friction force of the connecting part of the side surface of the generator set and clamping equipment is small, the lifting process is realized, the loosening condition between the generator set and the clamping equipment is easy to occur, and the serious potential safety hazard exists.

Disclosure of Invention

The invention provides a generator set maintenance tool, which is based on the fact that when the existing generator set is maintained at the utmost, the generator set needs to be lifted through a fixed lifting device, so that maintenance personnel can maintain the generator set comprehensively, when the existing lifting device clamps and lifts the side surface of the generator set, oil stains are possibly attached to the outer wall of the generator set in the using process of the side surface of the engine set, so that the friction force of the connecting part between the side surface of the generator set and clamping equipment is small in the clamping process, and the loosening condition between the generator set and the clamping equipment is easy to occur in the lifting process, so that serious potential safety hazards exist.

The invention provides a generator set maintenance tool which comprises a bottom plate and side frames, wherein four hydraulic cylinders are fixedly connected to the outer walls of the opposite sides of the two side frames at equal distances, the outer walls of the four hydraulic cylinders positioned on one side are fixedly connected with the same clamping ring, the outer walls of the side frames positioned on the two sides of the clamping ring are fixedly connected with fixed plates, the outer wall of the opposite side of each fixed plate is fixedly connected with a hydraulic cylinder, the outer wall of each hydraulic cylinder is fixedly connected with a fixed frame, the inner wall of each fixed frame is fixedly connected with hot hydraulic cylinders at equal distances, the outer wall of each hydraulic cylinder is fixedly connected with an ejection block, the outer wall of each ejection block is fixedly connected with an extrusion piece at equal distances, the outer wall of each fixed frame is fixedly connected with a wiping fiber plate, the outer walls of the wiping fiber plates close to the top end and the bottom end are fixedly connected with pull plates, and the pull plates are fixedly connected to the outer wall of the fixed frame.

Preferably, the outer wall that the grip ring is close to the bottom is equipped with multilayer extrusion subassembly, and multilayer extrusion subassembly includes stripper plate and extrusion spring, and the stripper plate equidistance passes through hinge connection in the outer wall of grip ring, and extrusion spring equidistance fixed connection in the relative one side outer wall of two stripper plates, the equal fixedly connected with friction tooth of top outer wall of every stripper plate.

Preferably, two guide rails of the top outer wall fixedly connected with of bottom plate, and the equal sliding connection of inner wall of two guide rails has two sliders, is located the same support of the top outer wall fixedly connected with of two sliders on the same guide rail, and the same board of placing of the top outer wall fixedly connected with of two supports, the equal fixedly connected with fixed block of inner wall that two guide rails are close to both ends, the equal fixedly connected with buffer spring of outer wall of every fixed block, buffer spring's other end fixed connection is in the outer wall of slider.

Preferably, the top outer wall of placing the board is the fixedly connected with pole setting equidistance, and the equal fixedly connected with sucking disc of top outer wall of every pole setting, is located a plurality of pole settings of same row and is the echelonment and distributes.

Preferably, the equal fixedly connected with motor frame in top outer wall both ends of bottom plate, and the equal fixedly connected with motor of inner wall of two motor frames, the output shaft of motor passes through shaft coupling fixedly connected with lead screw, and the outer wall of lead screw has the regulating block through threaded connection.

Preferably, the top outer wall fixedly connected with spacing groove of motor frame, and the top outer wall fixedly connected with stopper of spacing groove, regulating block sliding connection in the inner wall of spacing groove, the other end of lead screw passes through the bearing and connects in the bottom outer wall of stopper, and side bearer fixed connection is in the both sides outer wall of regulating block.

Preferably, two the equal fixedly connected with pneumatic cylinder No. three of relative one side outer wall of regulating block, and the equal fixedly connected with regulating plate of outer wall of two pneumatic cylinders No. three, two regulating plates are close to the equal fixedly connected with bottom sprag board of outer wall of bottom, and the impartial distance fixedly connected with friction disc of the top outer wall of two bottom sprag boards is located the friction disc of same bottom sprag board and is regional type arc distribution.

Preferably, place and install double buffering subassembly between board and the support, double buffering subassembly includes buffer board and No. two buffer boards, and the roof outer wall equidistance fixedly connected with hydraulic buffer of buffer board, the hydraulic buffer specification homogeneous difference of every row, be located the same bearing plate of the top outer wall fixedly connected with of a plurality of hydraulic buffer on the same row, place board fixed connection in the top outer wall of bearing plate, the bearing plate that is located on the buffer board is two-way notch cuttype and arranges, the bottom outer wall fixedly connected with buffering gasbag of buffer board, the equal fixedly connected with mounting panel in bottom outer wall both ends of buffering gasbag, the bottom outer wall homogeneous distance fixedly connected with spring beam of two mounting panels, spring beam fixed connection is in the top outer wall of No. two buffer boards, no. two buffer board fixed connection are in the top outer wall of support.

The beneficial effects of the invention are as follows:

1. through being provided with fixed frame, no. two pneumatic cylinders, ejecting block, the extrusion piece, clean fibreboard and arc and clean the arch, when carrying out the centre gripping to generating set through the grip ring, adjust No. two pneumatic cylinders drive the multilayer extrusion piece on the ejecting block and clean the fibreboard contact, thereby it is ejecting to clean the fibreboard, make and clean each face of fibreboard and generating set and contact closely, and simultaneously, arc on the film is cleaned in the arch slides in each concave point on the generating set, when adjusting a pneumatic cylinder drive and clean the fibreboard and carry out the wiping of oil stain, clean each protruding face and the concave surface that arch and generating set were cleaned to clean fibreboard and arc and carry out extrusion contact closely, realize perfect cleaning, ensure through the stability of grip ring to generating set clamping process.

2. Through being provided with multiple extrusion subassembly, multiple extrusion subassembly comprises the multilayer stripper plate, equidistance distributes extrusion spring between every stripper plate, when carrying out the centre gripping to generating set through the grip ring, the generating set is the biggest to the gravity that the position that the grip ring is located the below caused, multiple extrusion subassembly is located the position that the grip ring is close to the below, gravity makes the infinite compression of extrusion spring between each stripper plate, until compressing to the critical point, at this moment, the potential energy that extrusion spring rebounds drives the stripper plate and contacts with generating set closely, realize the centre gripping of accomplishing and support, in the limited range, generating set's weight is big more, multiple extrusion subassembly is big more rather than the extrusion force of contact point, generating set centre gripping is stable more.

3. Through being provided with bottom sprag board and friction disc, when carrying out generating set's both ends and supporting, the bottom contact of friction disc on the bottom sprag board and generating set, each friction disc that is located on same bottom sprag board is regional distribution, the central point in this region is all directional to the friction direction of the friction disc in every region holds, make the friction disc in each region on the bottom sprag board form independent arc friction scope one by one, the frictional force that comes from each region that increases generating set's outer wall and receives, stability when improving its both ends and supporting.

4. Through being provided with the buffering subassembly, the buffering subassembly comprises placing the board, and a support, buffer spring and guide rail, and generating set has the potential safety hazard that drops at the in-process that lifts by crane, drops from the centre gripping ring when generating set, then generating set striking is on placing the board, places the support of board below and drives buffer spring and slide to both ends at the inner wall of guide rail to cushion generating set's the impact force that drops, protect generating set, simultaneously, also play safety protection's effect to peripheral staff.

5. Through being provided with pole setting and sucking disc, the pole setting is the echelonment and distributes on placing the board, and the sucking disc is all installed to every pole setting top, drops when pounding to placing the board at generating set, and the sucking disc that the echelonment distributes adsorbs each surface of generating set, improves its stability after dropping to placing the board top, avoids it to appear rocking by a wide margin.

6. Through being provided with double buffering subassembly, when cushioning the generating set of placing on placing the board, place the bearing plate of board extrusion below, the hydraulic buffer below the bearing plate is extruded, thereby make and place the board gradually with the bearing plate contact on every echelonment, realize the buffering shock attenuation that advances step by step, hydraulic buffer below every bearing plate compresses to the critical point, then buffer board extrudees the buffering gasbag of below, buffering gasbag compresses to the critical point after, the spring beam is extruded thereupon, form the cooperation through this double buffering subassembly and the buffering subassembly of No. two buffer boards below, thereby realize triple buffering, improve this repair tools's buffering effect.

Drawings

Fig. 1 is a schematic overall structure diagram of a maintenance tool according to the present invention;

FIG. 2 is a schematic diagram of a wiping fiber board structure of a maintenance tool according to the present invention;

FIG. 3 is a top view of the overall structure of a service tool according to the present invention;

FIG. 4 is a schematic view of a support ring structure of a maintenance tool according to the present invention;

FIG. 5 is a schematic view of a multi-extrusion assembly for a service tool according to the present invention;

FIG. 6 is a schematic view of a chuck structure of a maintenance tool according to the present invention;

FIG. 7 is a schematic view of a buffering assembly of a service tool according to the present invention;

FIG. 8 is a schematic view of a double buffering assembly of a service tool according to the present invention;

fig. 9 is a front view of a double buffering assembly of a service tool according to the present invention.

In the figure: the device comprises a base plate 1, side frames 2, a lead screw 3, a limiting groove 4, a limiting block 5, a pulling plate 6, a fixing frame 7, a clamping ring 8, a fixing plate 9, a motor 10, a motor 11, a guide rail 12, a hydraulic cylinder 13I, a hydraulic cylinder 14 II, an ejection block 15, an extrusion sheet 16, a fiber wiping plate 17, an arc wiping protrusion 18, a flexible sheet 19, a hydraulic cylinder 20 III, an adjustment block 21, a placement plate 22, a suction cup 23, an adjustment plate 24, a bottom end support plate 25, a hydraulic cylinder 26 IV, a friction plate 27, an extrusion spring 28, an extrusion plate 29, a friction tooth 30, a vertical rod 31, a fixing block 32, a support 33, a sliding block 34, a buffer spring 35, a pressure bearing plate 36, a buffer plate 37I, a buffer plate 38 II, a hydraulic buffer 39, a buffer bag 40, a mounting plate 41 and a spring rod 42.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1 to 7, a maintenance tool includes a base plate 1 and side frames 2, four hydraulic cylinders 26 fixedly connected to outer walls of opposite sides of the two side frames 2 at equal distances, the outer walls of a plurality of No. four hydraulic cylinders 26 positioned at one side are fixedly connected with the same clamping ring 8, the outer walls of the side frames 2 positioned at two sides of the clamping ring 8 are both fixedly connected with fixing plates 9, and the outer walls of the opposite sides of the two fixed plates 9 are fixedly connected with a first hydraulic cylinder 13, the outer wall of each first hydraulic cylinder 13 is fixedly connected with a fixed frame 7, the inner walls of the fixed frames 7 are fixedly connected with hot hydraulic cylinders 14 at equal intervals, and the outer wall of each second hydraulic cylinder 14 is fixedly connected with an ejection block 15, the outer wall of the ejection block 15 is fixedly connected with extrusion pieces 16 at equal intervals, the outer wall of the fixed frame 7 is fixedly connected with a wiping fiberboard 17, and the outer walls of the wiping fiber board 17 close to the top end and the bottom end are fixedly connected with pull plates 6, the pull plates 6 are fixedly connected with the outer wall of the fixed frame 7, by arranging the fixed frame 7, the second hydraulic cylinder 14, the ejection block 15, the extrusion sheet 16, the wiping fiber plate 17 and the arc wiping protrusion 18, when the power generating set is clamped by the clamping ring 8, the second hydraulic cylinder 14 is adjusted to drive the multilayer extrusion sheets 16 on the ejection block 15 to contact with the wiping fiber board 17, thereby ejecting the wiping fiber sheet 17, causing the wiping fiber sheet 17 to be in intimate contact with the various faces of the generator set, meanwhile, the arc-shaped wiping protrusion 18 on the film 19 slides into each concave point on the generator set, and when the first hydraulic cylinder 13 is adjusted to drive the wiping fiber plate 17 to wipe oil stains, the wiping fiber plate 17 and the arc-shaped wiping protrusion 18 are in close extrusion contact with each protruding surface and concave surface of the generator set, so that perfect wiping is realized, and the stability of the generator set in the clamping process through the clamping ring 8 is ensured.

According to the invention, the outer wall of the clamping ring 8 close to the bottom end is provided with a plurality of layers of extrusion assemblies, each of the plurality of layers of extrusion assemblies comprises an extrusion plate 29 and an extrusion spring 28, the extrusion plates 29 are connected to the outer wall of the clamping ring 8 at equal intervals through hinges, the extrusion springs 28 are fixedly connected to the outer walls of the two extrusion plates 29 at equal intervals, the outer wall of the top of each extrusion plate 29 is fixedly connected with a friction tooth 30, the multiple extrusion assemblies are arranged and formed by the plurality of layers of extrusion plates 29, the extrusion springs 28 are distributed between the extrusion plates 29 at equal intervals, when the generator set is clamped through the clamping ring 8, the gravity of the generator set on the position below the clamping ring 8 is the largest, the multiple extrusion assemblies are positioned on the position below the clamping ring, the gravity enables the extrusion springs 28 between the extrusion plates 29 to be infinitely compressed until the compression reaches a critical point, at the moment, the potential energy of the extrusion springs 28 drives the extrusion plates 29 to be closely contacted with the generator set, the finished clamping support is realized, and the rebound is larger in a limited range, the extrusion force of the multiple extrusion assemblies is larger, and the clamping is more stable.

According to the invention, two guide rails 12 are fixedly connected to the outer wall of the top of the bottom plate 1, two sliding blocks 34 are slidably connected to the inner walls of the two guide rails 12, the same support 33 is fixedly connected to the outer wall of the top of the two sliding blocks 34 positioned on the same guide rail 12, the same placing plate 22 is fixedly connected to the outer wall of the top of the two support 33, fixed blocks 32 are fixedly connected to the inner walls of the two guide rails 12 close to the two ends, a buffer spring 35 is fixedly connected to the outer wall of each fixed block 32, and the other end of each buffer spring 35 is fixedly connected to the outer wall of each sliding block 34.

In the invention, the vertical rods 31 are fixedly connected to the outer wall of the top of the placing plate 22 at equal intervals, the sucking discs 23 are fixedly connected to the outer wall of the top of each vertical rod 31, the vertical rods 31 located in the same row are distributed in a step shape, the vertical rods 31 and the sucking discs 23 are arranged, the vertical rods 31 are distributed on the placing plate 22 in the step shape, the sucking discs 23 are arranged above each vertical rod 31, when the generator set falls off and hits the placing plate 22, the sucking discs 23 distributed in the step shape adsorb the outer surfaces of the generator set, the stability of the generator set after falling off and above the placing plate 22 is improved, and the generator set is prevented from shaking to a large extent.

In the invention, both ends of the outer wall of the top of the bottom plate 1 are fixedly connected with motor frames 11, the inner walls of the two motor frames 11 are fixedly connected with motors 10, the output shafts of the motors 10 are fixedly connected with lead screws 3 through couplings, and the outer walls of the lead screws 3 are connected with adjusting blocks 21 through threads.

According to the invention, the top outer wall of the motor frame 11 is fixedly connected with the limiting groove 4, the top outer wall of the limiting groove 4 is fixedly connected with the limiting block 5, the adjusting block 21 is slidably connected with the inner wall of the limiting groove 4, the other end of the screw rod 3 is connected with the bottom outer wall of the limiting block 5 through a bearing, and the side frames 2 are fixedly connected with the outer walls of two sides of the adjusting block 21.

In the invention, the outer walls of the opposite sides of the two adjusting blocks 21 are fixedly connected with the three hydraulic cylinders 20, the outer walls of the two three hydraulic cylinders 20 are fixedly connected with the adjusting plates 24, the outer walls of the two adjusting plates 24 close to the bottom ends are fixedly connected with the bottom end supporting plates 25, the outer walls of the tops of the two bottom end supporting plates 25 are fixedly connected with the friction plates 27 at equal distances, the friction plates 27 on the same bottom end supporting plate 25 are distributed in an area type arc shape, through the arrangement of the bottom end supporting plates 25 and the friction plates 27, when the two ends of the generator set are supported, the friction plates 27 on the bottom end supporting plates 25 are in contact with the bottom end of the generator set, the friction plates 27 on the same bottom end supporting plate 25 are distributed in areas, the friction direction of the friction plates 27 in each area points to the central end of the area, so that the friction plates 27 in each area on the bottom end supporting plates 25 form an independent arc friction range, the friction force from each area on the outer wall of the generator set is increased, and the stability when the two ends are supported is improved.

When the generator set is used, the generator set is firstly placed on the placing plate 22, the sucking discs 23 distributed in a step shape adsorb the outer surfaces of the generator set to avoid large shaking, then the hydraulic cylinders 20 at the two ends are adjusted to drive the bottom end supporting plate 25 to support and limit the bottom end of the generator set, the friction plates 27 on the bottom end supporting plate 25 are contacted with the bottom end of the generator set, the friction plates 27 on the same bottom end supporting plate 25 are distributed in areas, the friction direction of the friction plate 27 in each area points to the central end of the area, so that the friction plates 27 in each area on the bottom end supporting plate 25 form an independent arc-shaped friction range, the friction force from each area on the outer wall of the generator set is increased, the stability of the two ends of the generator set in supporting is improved, then the motor 10 is started, the adjusting block 21 is driven by the screw rod 3 to ascend, when the generator set is separated from the placing plate 22, the first hydraulic cylinder 13 is adjusted to drive the fixing frame 7 to move, at the moment, the second hydraulic cylinder 14 is adjusted to drive the multiple layers of extrusion sheets 16 on the ejection block 15 to contact with the wiping fiber plate 17, so that the wiping fiber plate 17 is ejected out, the wiping fiber plate 17 is in close contact with all surfaces of the generator set, meanwhile, the arc-shaped wiping protrusion 18 on the film 19 slides into each concave point on the generator set, when the first hydraulic cylinder 13 is adjusted to drive the wiping fiber 17 plate to wipe oil stains, the wiping fiber plate 17 and the arc-shaped wiping protrusion 18 are in close extrusion contact with all convex surfaces and concave surfaces of the generator set, perfect wiping is realized, after wiping is finished, the fourth hydraulic cylinder 26 is adjusted to drive the clamping ring 8 to clamp the generator set, and the generator set has the largest gravity caused by the position of the clamping ring 8 below, the multiple extrusion assembly is located at the position, close to the lowest part, of the clamping ring 8, the gravity enables the extrusion springs 28 between the extrusion plates 29 to be infinitely compressed until the compression is conducted to a critical point, at the moment, potential energy rebounded by the extrusion springs 28 drives the extrusion plates 29 to be closely contacted with the generator set, and finished clamping support is achieved.

Example 2

Referring to fig. 8 and 9, a maintenance tool, compare in embodiment 1, install double buffering subassembly between placing board 22 and support 33, double buffering subassembly includes buffer board 37 and buffer board 38 No. two, and the equidistant fixedly connected with hydraulic buffer 39 of roof outer wall of buffer board 37 No. one, hydraulic buffer 39 specification of each row is all different, the same bearing plate 36 of the top outer wall fixedly connected with of a plurality of hydraulic buffer 39 that lie in the same row, place board 22 fixedly connected with the top outer wall of bearing plate 36, bearing plate 36 that lies in buffer board 38 is two-way notch cuttype range, the bottom outer wall fixedly connected with buffering gasbag 40 of buffer board 37, the equal fixedly connected with mounting panel 41 in bottom outer wall both ends of buffering gasbag 10, the equal fixedly connected with spring beam 42 of bottom outer wall of two mounting panels 41, spring beam 42 fixedly connected with the top outer wall of buffer board 38 No. two, buffer board 38 fixed connection is in the top outer wall of support 33 No. two.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a maintenance tool, includes bottom plate (1) and side bearer (2), its characterized in that, two equal distance fixedly connected with pneumatic cylinder (26) of the equal distance of the relative one side outer wall of side bearer (2), and be located the same grip ring (8) of the outer wall fixedly connected with of a plurality of pneumatic cylinder (26) of one side, the equal fixedly connected with fixed plate (9) of outer wall that side bearer (2) are located grip ring (8) both sides, and the equal fixedly connected with pneumatic cylinder (13) of the relative one side outer wall of two fixed plates (9), the equal fixedly connected with fixed frame (7) of outer wall of every pneumatic cylinder (13), the equal fixedly connected with of inner wall equidistance of fixed frame (7) is hot pneumatic cylinder (14), and the equal fixedly connected with ejection block (15) of outer wall of every two pneumatic cylinder (14), the equal fixedly connected with extrusion piece (16) of outer wall of ejection block (15), fibreboard (17) is cleaned to the outer wall fixedly connected with of fixed frame (7), and clean fibreboard (17) be close to the equal fixedly connected with arm-tie (6) of the top and the outer wall that is close to the bottom, arm tie (6) fixed connection in fixed frame (7).

2. A service tool according to claim 1, characterized in that the outer wall of the clamping ring (8) near the bottom end is provided with a plurality of layers of extrusion assemblies, each of the plurality of layers of extrusion assemblies comprises an extrusion plate (29) and an extrusion spring (28), the extrusion plates (29) are connected to the outer wall of the clamping ring (8) at equal intervals through hinges, the extrusion springs (28) are fixedly connected to the outer walls of the two extrusion plates (29) at equal intervals, and the outer wall of the top of each extrusion plate (29) is fixedly connected with a friction tooth (30).

3. The group maintenance tool according to claim 1, characterized in that two guide rails (12) are fixedly connected to the outer top wall of the bottom plate (1), two sliding blocks (34) are slidably connected to the inner walls of the two guide rails (12), the same support (33) is fixedly connected to the outer top walls of the two sliding blocks (34) on the same guide rail (12), the same placing plate (22) is fixedly connected to the outer top walls of the two support (33), fixing blocks (32) are fixedly connected to the inner walls of the two guide rails (12) close to the two ends, a buffer spring (35) is fixedly connected to the outer wall of each fixing block (32), and the other end of each buffer spring (35) is fixedly connected to the outer wall of each sliding block (34).

4. A service tool as claimed in claim 3, characterized in that the standing plate (22) is fixedly connected with upright posts (31) at equal intervals on the outer wall of the top part, and each upright post (31) is fixedly connected with a suction cup (23) on the outer wall of the top part, and a plurality of upright posts (31) in the same row are distributed in a ladder shape.

5. The maintenance tool according to claim 1, characterized in that both ends of the outer wall of the top of the bottom plate (1) are fixedly connected with motor frames (11), the inner walls of the two motor frames (11) are fixedly connected with motors (10), the output shaft of each motor (10) is fixedly connected with a lead screw (3) through a coupler, and the outer wall of each lead screw (3) is connected with an adjusting block (21) through threads.

6. The maintenance tool according to claim 5, characterized in that a limiting groove (4) is fixedly connected to the outer wall of the top of the motor frame (11), a limiting block (5) is fixedly connected to the outer wall of the top of the limiting groove (4), the adjusting block (21) is slidably connected to the inner wall of the limiting groove (4), the other end of the screw rod (3) is connected to the outer wall of the bottom of the limiting block (5) through a bearing, and the side frames (2) are fixedly connected to the outer walls of the two sides of the adjusting block (21).

7. The maintenance tool according to claim 6, wherein the outer wall of one side of each of the two adjusting blocks (21) opposite to each other is fixedly connected with a third hydraulic cylinder (20), the outer walls of the two third hydraulic cylinders (20) are fixedly connected with adjusting plates (24), the outer walls of the two adjusting plates (24) close to the bottom end are fixedly connected with bottom end supporting plates (25), the outer walls of the tops of the two bottom end supporting plates (25) are fixedly connected with friction plates (27) at equal distances, and the friction plates (27) on the same bottom end supporting plate (25) are distributed in an area arc shape.

8. A service tool according to claim 3, characterized in that, install double buffering subassembly between placing board (22) and support (33), double buffering subassembly includes buffer board (37) and buffer board (38) No. two, and the roof outer wall equidistance fixedly connected with hydraulic buffer (39) of buffer board (37), hydraulic buffer (39) specification of each row is all different, the same bearing plate (36) of the top outer wall fixedly connected with of a plurality of hydraulic buffer (39) that lie in the same row, place board (22) fixed connection in the top outer wall of bearing plate (36), bearing plate (36) that lie in buffer board (38) are two-way notch cuttype and arrange, the bottom outer wall fixedly connected with buffering gasbag (40) of buffer board (37), the equal fixedly connected with mounting panel (41) in bottom outer wall both ends of buffering gasbag (10), the equal distance fixedly connected with spring rod (42) of the bottom outer wall of two mounting panels (41), spring rod (42) fixed connection in the top outer wall of buffer board (38), the top outer wall of buffer board (38) is connected in fixed connection support (33).