CN113472155B - Device and method for horizontally disassembling and assembling stator and rotor of motor with rotatable gantry - Google Patents
Device and method for horizontally disassembling and assembling stator and rotor of motor with rotatable gantry Download PDFInfo
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- CN113472155B CN113472155B CN202110797106.9A CN202110797106A CN113472155B CN 113472155 B CN113472155 B CN 113472155B CN 202110797106 A CN202110797106 A CN 202110797106A CN 113472155 B CN113472155 B CN 113472155B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/0006—Disassembling, repairing or modifying dynamo-electric machines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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Abstract
The invention discloses a device and a method for horizontally disassembling and assembling a stator and a rotor with rotatable portal frames, wherein the device comprises the following steps: lead, portal axle leg subassembly, portal leg subassembly, rotatory portal, chuck subassembly, portal movable rod, sliding bottom, hydraulic pressure transfer in hydro-cylinder unit, the public pole subassembly of adaptation sleeve, the platform that slides that goes up and down of rotor, its characterized in that: the guide rail is I-shaped steel and is fastened with the ground by adopting foundation bolts; the portal leg assembly comprises a portal leg seat, a rotating shaft and the like, and the portal leg seat and the rotating shaft are fixed by welding; the dust guard is fastened at the end part of the rotating shaft through a bolt; the portal leg seat and the sinking shaft sleeve structure are connected by welding, and the wear-resistant bush of the movable rod is pre-arranged in the sinking shaft sleeve structure; the invention has the beneficial effects that: the manufacturing cost is low, the tool is easy and convenient to operate, the labor cost is saved, the size and the occupied space of the tool device are small, the operation is convenient, the tool device is safe, reliable and easy to maintain, the motor dismounting effect is guaranteed, the structure is simple, the production is facilitated, the economic benefit is met, and the universality is higher.
Description
Technical Field
The invention relates to the field of motor installation and maintenance, in particular to a device and a method for horizontally disassembling and assembling a motor stator and a motor rotor with a rotatable gantry.
Background
The invention is based on the background that a large number of motors of an electromechanical workshop of a shipbuilding factory need to be disassembled, inspected, maintained and installed. The motor is an important part in ship equipment, and the stator and the rotor of the motor are disassembled and assembled as an important daily work.
At present, the mode of relatively original manual disassembly and assembly of the stator and the rotor and the mode of auxiliary disassembly and assembly by means of a simple rotor tool are still commonly adopted by each overhaul shipbuilding enterprise, and the following defects and shortcomings are mainly existed:
1. the labor cost is high, the multi-person cooperation operation is needed, and the disassembly and assembly efficiency is low;
2. during the disassembly and assembly of the motor stator and the rotor, a transportation tool such as a crane and a traveling crane is required;
3. the stator and the rotor are poor in axial centering control precision, safety accidents and quality hidden dangers are easily caused, and the stator and the rotor are damaged, especially in a medium-sized or large-sized motor;
4. the dismouting is assisted to simple and easy rotor frock, and only one end of rotor is in the stress, and does not have any support or hoisting point at the rotor other end, forms the cantilever beam, and at axle local area stress and shearing force concentration, can have the risk of harm to rotor bearing itself.
Disclosure of Invention
In order to solve the problems existing in the assembling and disassembling process of the existing motor stator and rotor, the device and the method for horizontally assembling and disassembling the motor stator and the motor rotor with the rotatable door frame are provided, and the purposes of less labor for assembling and disassembling the motor stator and the motor rotor, low working strength, good adaptability, simple and convenient axis height adjustment, safety and reliability are achieved.
The invention provides the following technical scheme: a gantry rotatable stator and rotor horizontal dismounting device comprises: guide rail 1, portal axle leg subassembly 2, portal leg subassembly 3, rotatory portal 4, chuck subassembly 5, portal movable rod 6, sliding bottom 7, hydraulic pressure are transferred in hydro-cylinder unit 8, the public pole subassembly 9 of adaptation sleeve, the rotor lift platform 10 that slides, its characterized in that: the guide rail 1 is I-shaped steel and is fastened with the ground by adopting foundation bolts;
the portal shaft leg assembly 2 consists of a first portal leg seat 21, a rotating shaft 22, a dust-proof plate 23 and a bolt 24, wherein the first portal leg seat 21 and the rotating shaft 22 are fixed by welding; the dust guard 23 is fastened to the end of the rotating shaft 22 by a bolt 24;
the portal leg assembly 3 consists of a second portal leg seat 33, a sinking shaft sleeve structure 31 and a movable rod wear-resistant bushing 32, the portal leg seat and the sinking shaft sleeve structure 31 are connected in a welding manner, the movable rod wear-resistant bushing 32 is pre-installed in the sinking shaft sleeve structure and is made of wear-resistant hard plastic;
the rotary gantry 4 comprises a rotary shaft sleeve 41, an upper cross beam 42, a lower cross beam 43, a movable rod sleeve 44, a chuck guide shaft 45, a feed screw nut seat 46 and a sleeve wear-resistant bush 47, and the rotary shaft sleeve 41, the upper cross beam 42, the lower cross beam 43 and the movable rod sleeve 44 are integrally welded and connected; two ends of two chuck guide shafts 45 are respectively welded and fixed with the upper cross beam 42 and the lower cross beam 43; the feed screw nut seat 46 is welded and fixed with the upper cross beam 42; the sleeve wear-resistant bushing 47 is respectively fixed in the rotating shaft sleeve 41 and the movable rod sleeve 44 and is made of wear-resistant hard plastic; the whole rotating portal 4 is sleeved on the shaft of the portal shaft leg assembly 2 and can freely rotate around the shaft;
the chuck assembly 5 consists of a hand wheel 51, a safety nut 52, a screw rod 53, a chuck 54, a reinforcing plate 55, a chuck seat plate 56, a mounting bolt 57 and a chuck guide shaft sleeve 58, wherein the hand wheel 51 is in pin key connection with the screw rod 53; the safety nut 52 is used for locking the screw rod in time to prevent tripping when the screw rod 53 moves up and down in place in the screw rod nut seat 46 and the chuck guide shaft sleeve 58 along the chuck guide shaft 45, so as to ensure safety; the screw rod 53 is fixed with the reinforcing plate 55 and the chuck base plate 56 by welding; the chuck 54 is connected with a chuck base plate 56 by a mounting bolt 57; the chuck guide shaft sleeve 58 is used in cooperation with the chuck guide shaft 45, and the whole chuck assembly 5 is preassembled on the rotating gantry 4;
the door frame movable rod 6 is composed of a movable shaft rod 61, a handle 62, a dust guard 63 and a bolt 64. The movable shaft rod 61 is ensured to freely slide up and down in a sleeve composed of the movable rod sleeve 44 and the sleeve wear-resistant bush 47 by lifting and lowering the handle 62, the handle 62 is welded on the movable shaft rod 61, and the dust-proof plate 63 is fastened at the end part of the movable shaft rod 61 through a bolt 64;
the sliding base 7 consists of an upper seat plate assembly 71, a rotary locking bolt 72, a lower seat plate assembly 73, a rolling bearing 74 and a shaft 75, wherein the upper seat plate assembly 71 is sleeved on an upright post of the lower seat plate assembly 73 and can rotate 360 degrees around the upright post; the locking bolt 72 is screwed to achieve the limiting effect of the upper seat plate assembly 71; the shaft 75 is welded and fixed with the lower seat plate component 73, and the rolling bearings 74 are arranged at two ends of the shaft;
the hydraulic centering oil cylinder unit 8 consists of a hydraulic oil cylinder 81, a centering push plate 82, a base 83 and a reinforcing rib plate 84, wherein the hydraulic oil cylinder 81 is fixedly arranged on the base 83 through bolts; the centering push plate 82 is fixedly connected with a flange bolt at the end part of a hydraulic oil cylinder 81; two sets of hydraulic centering oil cylinder units 8 are symmetrically arranged on two sides of the two guide rails;
the adaptation sleeve common rod assembly 9 consists of a common rod 91, an adaptation sleeve 92, a bushing 93 and a locking bolt 94, wherein the adaptation sleeve 92 is fastened on the common rod 91 through the locking bolt 94 and used for preventing sliding and falling;
the rotor lifting sliding platform 10 comprises a lower structure frame 101, an upper structure frame 102, an X-shaped frame 103, a lifting hydraulic cylinder 104, a low-position resting safety leg 105, an upper sliding platform 106, a sliding hydraulic cylinder 107, a fixed baffle 108 and a movable baffle 109, and the whole rotor lifting sliding platform 10 is fixedly installed on the ground.
Further optimizing the technical scheme, the two side door frame shaft leg assemblies 2 and the two door frame leg assemblies 3 are fixedly connected through bolts.
Further optimizing the technical scheme, four corners of the X-shaped frame 103 are mounted between the lower structural frame 101 and the upper structural frame 102 in a mode that a fixed end is hinged 1031 and a movable end is rolled 1032.
Further optimizing the technical scheme, the U-shaped steel of the upper sliding platform 106 is clamped on the two side structures of the upper structural frame 102, and two ends of the sliding hydraulic cylinder 107 are respectively fixed on the upper structural frame 102 and the upper sliding platform 106.
Further optimize this technical scheme, go up slide platform 106 and go up and set up fixed stop 108 and adjustable stop 109 for prevent that the rotor is spacing.
A horizontal dismounting and mounting method for a gantry rotatable motor stator and rotor is based on the horizontal dismounting and mounting device for the gantry rotatable motor stator and rotor, and comprises the following specific implementation steps:
step 1, a hoisting tool such as a crane is adopted to convey a motor 11 to be disassembled to a sliding base 7 which is placed between guide rails 1 in advance, end covers at two ends are disassembled, and the operation of disassembling the end covers of a plurality of motors 11 can be simultaneously carried out by arranging a plurality of sliding bases 7;
step 2, the motor 11 with the end cover removed needs to be pushed into the tool, at the moment, the sliding base 7 needs to be loosened in advance to rotate the locking bolt 72, so that the upper seat plate assembly 71 can rotate around the lower seat plate assembly 73 upright post, and after the rotation is carried out for 90 degrees, the rotating locking bolt 72 is screwed to prevent the upper seat plate assembly 71 of the sliding base from rotating;
step 3, lifting the handle 62 of the near-end portal movable rod 6 to separate the movable shaft rod 61 from the sinking shaft sleeve structure 31 of the portal component 3, enabling the whole rotating portal 4 to rotate 90 degrees around the rotating shaft 22 of the portal leg component 2, then pushing the sliding base 7 with the motor 10 into a tool, closing the rotating portal 4 after confirming that no fault exists, and particularly paying attention to and checking the condition that the portal movable rod 6 falls into the sinking shaft sleeve structure 31 of the portal component 3 during operation to avoid the connection inaccuracy and causing accidents;
step 5, operating a hydraulic oil cylinder 81 in the hydraulic centering oil cylinder unit 8 to synchronously perform centering motion, enabling a centering push plate 82 to be in contact with the motor 11, finely adjusting the position of the axis of the motor 11 to be parallel to the axis of the tool, and releasing pressure by the hydraulic cylinder after the adjustment is finished;
step 8, adjusting the center height of a chuck 54 of the chuck assembly 5 by synchronously rotating the hand wheel 51, so that the rotor 112 can be just separated from the stator 111, a uniform axial gap is formed between the rotor 112 and the stator 111, and after the error is confirmed, the screw rod is locked by screwing the safety nut 52 in time to prevent tripping, so that the safety is ensured;
step 9, slowly moving the sliding base 7 together with the stator 111, wherein the moving-out distance needs to be larger than the length of the rotor 112, so as to ensure that the rotor 112 can be smoothly detached;
and (3) completing the detachment of the stator 111 and the rotor 112 of the motor according to the steps 1-11, and completing the installation of the stator 111 and the rotor 112 by reversing the operation.
In summary, the device and the method for horizontally disassembling and assembling the motor stator and the rotor with the rotatable gantry have the advantages that the power driving device of the whole device is few, the manufacturing cost is low, the tool is easy and convenient to operate, the labor cost is saved, the maintenance is easy, the universality is good, the device can be gradually optimized, the power driving and the automatic control are introduced, and the performance of the whole device is optimized and improved; the track type assembly line is adopted to design so as to conveniently optimize the operation flow, and the regional management of a motor to-be-disassembled region, a motor disassembling and assembling region, a stator maintenance region and a rotor storage region can be realized; the tool device is small in size and occupied space, convenient to operate, safe, reliable and easy to maintain, further guarantees the motor dismounting effect, is simple in structure, beneficial to processing and production, accords with economic benefits, and has high universality.
Compared with the prior art, the invention provides a device and a method for horizontally disassembling and assembling a motor stator and a rotor with a rotatable gantry, which have the following beneficial effects:
1. the invention adopts a horizontal dismounting mode, the rotor is fixed, and the dismounting mode of the sliding stator is more in line with the field dismounting condition.
2. The invention adopts a track type assembly line design, is convenient to optimize the operation process, and can realize the regional management of the motor to-be-disassembled region, the motor disassembling and assembling region, the stator maintenance region and the rotor storage region.
3. The invention adopts the design of the sliding base, and the motor can be driven to move by manually pushing the sliding base without external equipment, so that the stator and the rotor of the motor are separated or combined.
4. The invention adopts the design of the rotatable door frame, the sliding base with the motor can enter and exit the tool through rotating the door frame, the size and the occupied space of the tool are small, and the operation is convenient.
5. The invention adopts the design of the chuck assembly, and the lead screw is rotated by the hand wheel to drive the chuck to move up and down along the chuck guide shaft, so that the device is adaptive to different motor rotor axis heights, and the device is convenient to micro-adjust, direct and reliable and has strong applicability.
6. The invention provides a rotor shaft locking mode, and the design of chuck locking is adopted to avoid accidental slipping of a rotor, so that the rotor shaft locking mode is safer and more reliable.
7. The motor base is synchronously pushed in a centering way through the hydraulic oil cylinders on the two sides, and the motor base is used for finely adjusting the consistency of the center line of the base and the center line of the whole device, so that the whole motor is ensured to be free of horizontal lateral deflection, the device is simple and convenient to operate, and the centering error is small.
8. The invention adopts the design of a rotor lifting and sliding platform, so that the motor rotor is convenient to transfer to a rotor storage area, and the crane is liberated.
9. The whole set of device has the advantages of few power driving devices, low manufacturing cost, simple and convenient tool operation, labor cost saving, easy maintenance, good universality and gradual optimization, and introduces power driving and automatic control for optimizing and improving the performance of the whole set of device.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a device for horizontally disassembling and assembling a motor stator and a rotor with a rotatable gantry according to the present invention.
Fig. 2 is a schematic structural diagram of a gantry leg assembly of the gantry rotatable motor stator and rotor horizontal dismounting device provided by the invention.
Fig. 3 is a schematic structural view of a gantry leg assembly of the gantry rotatable motor stator and rotor horizontal dismounting device provided by the invention.
Fig. 4 is a schematic structural diagram of a rotary gantry of a gantry rotatable motor stator and rotor horizontal dismounting device provided by the invention.
Fig. 5 is a front view of a chuck assembly of a device for horizontally assembling and disassembling a motor rotor and a gantry rotatable type according to the present invention.
Fig. 6 is a left side view of a chuck assembly structure of a gantry rotatable motor stator and rotor horizontal dismounting device according to the present invention.
Fig. 7 is a schematic structural view of a gantry movable rod of a gantry rotatable motor stator and rotor horizontal dismounting device provided by the invention.
Fig. 8 is a schematic structural view of a sliding base of the device for horizontally dismounting and mounting a stator and a rotor of a motor with a rotatable gantry according to the present invention.
Fig. 9 is a schematic structural view of a hydraulic centering cylinder unit of the device for horizontally dismounting and mounting the stator and the rotor of the motor with the rotatable gantry of the present invention.
Fig. 10 is a schematic structural view of an adapter sleeve common rod assembly of a horizontal dismounting device for a gantry rotatable motor stator and rotor according to the present invention.
Fig. 11 is a three-dimensional schematic view of a rotor lifting and sliding platform structure of a gantry rotatable motor stator and rotor horizontal dismounting device provided by the invention.
In the above figures: the device comprises a guide rail 1, a gantry leg assembly 2, a first gantry leg seat 21, a rotating shaft 22, a dustproof plate 23, a bolt 24, a gantry leg assembly 3, a sinking shaft sleeve structure 31, a wear-resistant bush 32, a second gantry leg seat 33, a rotating gantry 4, a chuck assembly 5, a hand wheel 51, a safety nut 52, a lead screw 53, a chuck 54, a reinforcing plate 55, a chuck seat plate 56, a mounting bolt 57, a chuck guide shaft sleeve 58, a gantry movable rod 6, a movable shaft rod 61, a handle 62, a dustproof plate 63, a bolt 64, a sliding base 7, an upper seat plate assembly 71, a rotating locking bolt 72, a lower seat plate assembly 73, a rolling bearing 74, a shaft 75, a hydraulic centering cylinder unit 8, a hydraulic cylinder 81, a centering push plate 82, a base 83, a reinforcing rib plate 84, an adapting sleeve common rod assembly 9, a common rod 91, an adapting sleeve 92, a bush 93 and a locking bolt 94, a rotor lifting sliding platform 10, a lower structure frame 101, An upper structure frame 102, an X-shaped frame 103, a lifting hydraulic cylinder 104, a low rest safety leg 105, an upper sliding platform 106, a sliding hydraulic cylinder 107, a fixed baffle 108, a movable baffle 109, a fixed end hinge 1031 and a movable end roller rolling 1032.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a three-dimensional structure diagram of a gantry rotatable motor stator and rotor horizontal dismounting device mainly comprises a guide rail 1, a gantry leg assembly 2, a gantry leg assembly 3, a rotary gantry 4, a rotary shaft sleeve 41, an upper cross beam 42, a lower cross beam 43, a movable rod sleeve 44, a chuck guide shaft 45, a screw nut seat 46, a sleeve wear-resistant bush 47, a chuck assembly 5, a gantry movable rod 6, a sliding base 7, a hydraulic centering cylinder unit 8, an adaptive sleeve common rod assembly 9, a rotor lifting sliding platform 10 and the like.
In conjunction with the embodiments, as shown in fig. 2 to fig. 10, it is further explained that:
the guide rails 1 are I-shaped steel, are laid in proper areas in a field and are fastened with the ground through foundation bolts, and the distance and the length of the guide rails are determined by the requirements of the whole assembly and disassembly line and the size of a motor.
The portal leg assembly 2 is composed of a portal leg seat 21, a rotating shaft 22, a dust-proof plate 23 and a bolt 24. The gantry leg seat 21 and the rotating shaft 22 are fixed by welding; the dust-proof plate 23 is fastened to the end of the rotary shaft 22 by a bolt 24.
The portal leg assembly 3 is composed of a portal leg seat 33, a sinking shaft sleeve structure 31 and a movable rod wear-resistant bushing 32. The portal leg seat and the sinking shaft sleeve structure 31 are connected by welding; the movable rod wear-resistant bush 32 needs to be pre-installed in the sinking sleeve structure and is made of wear-resistant hard plastic.
Two side gantry leg assemblies 2 and gantry leg assemblies 3. When the four-leg portal frame is installed, the installation precision between the four legs of the portal frame and the guide rail needs to be controlled particularly, and the four legs of the portal frame are fixedly connected with the ground through bolts.
The rotating gantry 4 is composed of a rotating shaft sleeve 41, an upper cross beam 42, a lower cross beam 43, a movable rod sleeve 44, a chuck guide shaft 45, a screw rod nut seat 46 and a sleeve wear-resistant bush 47. The rotating shaft sleeve 41, the upper beam 42, the lower beam 43 and the movable rod sleeve 44 are integrally welded and connected; two ends of the two chuck guide shafts 45 are respectively welded and fixed with the upper cross beam 42 and the lower cross beam 43; the feed screw nut seat 46 is welded and fixed with the upper cross beam 42; the sleeve wear-resistant bushing 47 is respectively fixed in the rotating shaft sleeve 41 and the movable rod sleeve 44 and is made of wear-resistant hard plastic; the whole rotating portal frame 4 is sleeved on the shaft of the portal frame shaft leg component 2 and can freely rotate around the shaft.
The chuck assembly 5 is composed of a hand wheel 51, a safety nut 52, a screw 53, a chuck 54, a reinforcing plate 55, a chuck seat plate 56, a mounting bolt 57 and a chuck guide shaft sleeve 58. The hand wheel 51 is connected with the screw rod 53 through a pin key; the safety nut 52 is used for locking the screw rod in time to prevent tripping when the screw rod 53 moves up and down in place in the screw rod nut seat 46 and the chuck guide shaft sleeve 58 along the chuck guide shaft 45, so as to ensure safety; the screw 53 is fixed with the reinforcing plate 55 and the chuck base plate 56 by welding; the chuck 54 is connected with a chuck base plate 56 by mounting bolts 57; the chuck guide sleeve 58 cooperates with the chuck guide shaft 45 and the entire chuck assembly 5 is pre-assembled to the rotating gantry 4.
The door frame movable rod 6 is composed of a movable shaft rod 61, a handle 62, a dust-proof plate 63 and a bolt 64. The movable shaft rod 61 is ensured to freely slide up and down in a sleeve composed of the movable rod sleeve 44 and the sleeve wear-resistant bush 47 by lifting and lowering the handle 62; the handle 62 is welded on the movable shaft rod 61; the dust-proof plate 63 is fastened to the end of the movable shaft 61 by a bolt 64.
The slide base 7 is composed of an upper seat plate assembly 71, a rotation lock bolt 72, a lower seat plate assembly 73, a rolling bearing 74, and a shaft 75. The upper seat plate assembly 71 is sleeved on the upright post of the lower seat plate assembly 73 and can rotate 360 degrees around the upright post; the locking bolt 72 is screwed to achieve the limiting effect of the upper seat plate assembly 71; the shaft 75 is welded and fixed with the lower seat plate component 73, and the rolling bearings 74 are arranged at two ends of the shaft; the entire slidable base 7 is free to roll along the guide rail 1.
The hydraulic centering oil cylinder unit 8 consists of a hydraulic oil cylinder 81, a centering push plate 82, a base 83 and a reinforcing rib plate 84. The hydraulic oil cylinder 81 is fixedly arranged on the base 83 through bolts; the centering push plate 82 is fixedly connected with a flange bolt at the end part of a hydraulic oil cylinder 81; two sets of hydraulic centering oil cylinder units 8 are symmetrically arranged on two sides of the two guide rails, and when the hydraulic centering oil cylinder units work, the synchronous oil cylinders are operated to move towards the motor simultaneously, so that the synchronous oil cylinders simultaneously contact and push the motor to finely adjust the position.
The adapter sleeve common rod assembly 9 is comprised of a common rod 91, an adapter sleeve 92, a bushing 93, and a locking bolt 94. The common bar 91 is determined according to the actual motor length; the adapter sleeve 92 is fastened to the common bar 91 by a locking bolt 94 for preventing slipping and falling; the bushing 93 can be processed into a series of bushings according to the diameters of the motor rotor shafts with different sizes, and the bushings with proper sizes are placed into the adaptive sleeve 92 when needed, and are made of wear-resistant hard plastics.
The rotor lifting and sliding platform 10 comprises a lower structure frame 101, an upper structure frame 102, an X-shaped frame 103, a lifting hydraulic cylinder 104, a low-position resting safety leg 105, an upper sliding platform 106, a sliding hydraulic cylinder 107, a fixed baffle 108, a movable baffle 109 and the like, and particularly, a three-dimensional structure schematic diagram of the rotor lifting and sliding platform 10 is shown.
The whole rotor lifting sliding platform 10 is fixedly installed on the ground, wherein four corners of the X-shaped frame 103 are installed between the lower structural frame 101 and the upper structural frame 102 in a mode that a fixed end is hinged 1031 and a movable end roller rolls 1032; the opening and closing angle of the X-shaped frame can be adjusted by adjusting the lifting hydraulic cylinder 104, so that the height of the rotor lifting sliding platform 10 can be adjusted; the low rest safety leg 105 is used for rest support when the rotor lifting sliding platform 10 is not used and for minimum limit support when in use.
The U-shaped steel of the upper sliding platform 106 is clamped on the two side structures of the upper structural frame 102 to form a slide way during sliding, two ends of the sliding hydraulic cylinder 107 are respectively fixed on the upper structural frame 102 and the upper sliding platform 106, and the sliding of the upper sliding platform 106 on the upper structural frame 102 is realized through the sliding hydraulic cylinder 107, so that the function that the sliding platform 106 slides in and out of the motor dismounting tool on the rotor lifting sliding platform 10 is realized, and the rotor 112 is supported and moved out to the rotor storage table 12. The upper sliding platform 106 is provided with a fixed baffle 108 and a movable baffle 109 for preventing the rotor from limiting, and a rubber pad is paved for protecting the rotor and preventing hard contact when the whole platform is used.
The structural size of the whole set of device is designed according to the size of the motor to be disassembled and assembled, and the device can be used for disassembling and assembling different motors with the diameter of 450-850 mm and the length of 500-1200 mm.
In combination with a specific embodiment, a method for horizontally dismounting and mounting a stator and a rotor of a gantry rotatable motor comprises the following specific implementation steps:
step 1, a hoisting tool such as a crane is adopted to convey a motor 11 to be disassembled to a sliding base 7 which is placed between guide rails 1 in advance, end covers at two ends are disassembled, and the operation of disassembling the end covers of a plurality of motors 11 can be simultaneously carried out by arranging a plurality of sliding bases 7.
And 2, the motor 11 with the end cover removed needs to be pushed into the tool, the sliding base 7 needs to be loosened in advance to rotate the locking bolt 72 at the moment, the upper seat plate assembly 71 can rotate around the lower seat plate assembly 73 upright column, and the rotating locking bolt 72 is screwed after the rotation of 90 degrees, so that the rotation of the upper seat plate assembly 71 of the sliding base is prevented.
And 3, lifting the handle 62 of the near-end portal movable rod 6 by hand to separate the movable shaft rod 61 from the sinking shaft sleeve structure 31 of the portal assembly 3, so that the whole rotary portal 4 rotates by 90 degrees outwards around the rotating shaft 22 of the portal shaft leg assembly 2, then pushing the sliding base 7 with the motor 10 into a tool, closing the rotary portal 4 after confirming that no fault exists, and particularly paying attention to and checking the condition that the portal movable rod 6 falls into the sinking shaft sleeve structure 31 of the portal assembly 3 during operation to avoid the accident caused by the inaccurate connection.
And 4, inserting the adapter sleeve common rod assembly 9 into the chuck 54 of the far-end chuck assembly 5, and pre-clamping the adapter sleeve common rod assembly 9, wherein the length of the adapter sleeve common rod assembly 9 extending into the whole tool does not need to be too long, so that the position of the motor 10 is prevented from being adjusted.
And 5, operating the hydraulic oil cylinder 81 in the hydraulic centering oil cylinder unit 8 to synchronously perform centering motion, enabling the centering push plate 82 to be in contact with the motor 11, finely adjusting the position of the axis of the motor 11 to be parallel to the axis of the tool, and releasing pressure by the hydraulic cylinder after the adjustment is completed.
And 7, loosening the adaptive sleeve common rod assembly 9 clamped by the chuck 54 of the remote chuck assembly 5, adjusting the central position of the chuck 54 of the chuck assembly 5 and the length of the adaptive sleeve common rod assembly 9 entering the interior of the tool by manually rotating the hand wheel 51, so that a rotor shaft can just penetrate into the bushing 93 of the adaptive sleeve common rod assembly 9 adaptive sleeve 92, selecting a proper bushing 93 in advance according to the size of the rotor shaft diameter, then clamping the rotor shaft end, and paying attention to the fact that the length of the shaft penetrating into the adaptive sleeve 92 is not less than 100 mm.
Step 8, adjusting the center height of the chuck 54 of the chuck assembly 5 by synchronously rotating the hand wheel 51 to ensure that the rotor 112 can just separate from the stator 111, so that the rotor 112 and the stator 111 form a uniform axial gap, and screwing the safety nut 52 to lock the screw rod in time to prevent tripping after confirming no error, thereby ensuring safety;
and 9, slowly moving the sliding base 7 together with the stator 111, wherein the moving-out distance is required to be greater than the length of the rotor 112, so that the rotor 112 can be smoothly detached.
And step 11, lifting the far-end gantry movable rod 6 to enable the movable shaft rod 61 to be separated from the gantry leg seat and the sunken shaft sleeve structure 31, enabling the whole rotary gantry 4 to rotate 90 degrees outwards around the rotary shaft 22 of the gantry leg assembly 2, and then pushing the sliding base 7 with the motor stator 111 out of the tool to a stator maintenance area.
And (3) completing the detachment of the stator 111 and the rotor 112 of the motor according to the steps 1-11, and completing the installation of the stator 111 and the rotor 112 by reversing the operation.
In summary, the device and the method for horizontally disassembling and assembling the motor stator and the rotor with the rotatable gantry have the advantages that the power driving device of the whole device is few, the manufacturing cost is low, the tool is easy and convenient to operate, the labor cost is saved, the maintenance is easy, the universality is good, the device can be gradually optimized, the power driving and the automatic control are introduced, and the performance of the whole device is optimized and improved; the track type assembly line is adopted to design so as to conveniently optimize the operation flow, and the regional management of a motor to-be-disassembled region, a motor disassembling and assembling region, a stator maintenance region and a rotor storage region can be realized; the tool device is small in size and occupied space, convenient to operate, safe, reliable and easy to maintain, further guarantees the motor dismounting effect, is simple in structure, beneficial to processing and production, accords with economic benefits, and has high universality.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A gantry rotatable motor stator and rotor horizontal dismounting device comprises a guide rail (1), a gantry shaft leg assembly (2), a gantry leg assembly (3), a rotating gantry (4), a chuck assembly (5), a gantry movable rod (6), a sliding base (7), a hydraulic centering oil cylinder unit (8), an adaptive sleeve common rod assembly (9) and a rotor lifting sliding platform (10), and is characterized in that the guide rail (1) is made of I-steel and is fastened with the ground by foundation bolts;
the portal shaft leg assembly (2) consists of a first portal leg seat (21), a rotating shaft (22), a dustproof plate (23) and a bolt (24), and the portal leg seat (21) and the rotating shaft (22) are fixed by welding; the dust-proof plate (23) is fastened at the end part of the rotating shaft (22) through a bolt (24);
the portal leg assembly (3) consists of a second portal leg seat (33), a sinking shaft sleeve structure (31) and a movable rod wear-resistant bushing (32), the portal leg seat and the sinking shaft sleeve structure (31) are connected in a welding manner, the movable rod wear-resistant bushing (32) is pre-installed in the sinking shaft sleeve structure, and the materials are wear-resistant hard plastics;
the rotary gantry (4) consists of a rotary shaft sleeve (41), an upper cross beam (42), a lower cross beam (43), a movable rod sleeve (44), a chuck guide shaft (45), a screw rod nut seat (46) and a sleeve wear-resistant bushing (47), wherein the rotary shaft sleeve (41), the upper cross beam (42), the lower cross beam (43) and the movable rod sleeve (44) are integrally welded and connected; two ends of the two chuck guide shafts (45) are respectively welded and fixed with the upper cross beam (42) and the lower cross beam (43); the feed screw nut seat (46) is welded and fixed with the upper cross beam (42); the sleeve wear-resistant bushing (47) is respectively fixed in the rotating shaft sleeve (41) and the movable rod sleeve (44) and is made of wear-resistant hard plastic; the whole rotating portal (4) is sleeved on the shaft of the portal shaft leg assembly (2) and can freely rotate around the shaft;
the chuck assembly (5) consists of a hand wheel (51), a safety nut (52), a screw rod (53), a chuck (54), a reinforcing plate (55), a chuck seat plate (56), a mounting bolt (57) and a chuck guide shaft sleeve (58), and the hand wheel (51) is in pin key connection with the screw rod (53); the safety nut (52) is used for locking the screw rod in time to prevent tripping when the screw rod (53) moves up and down in place in the screw rod nut seat (46) and the chuck guide shaft sleeve (58) along the chuck guide shaft (45), so that safety is ensured; the screw rod (53) is fixed with the reinforcing plate (55) and the chuck base plate (56) by welding; the chuck (54) is connected with a chuck seat plate (56) by adopting a mounting bolt (57); the chuck guide shaft sleeve (58) is matched with the chuck guide shaft (45) for use, and the whole chuck assembly (5) is preassembled on the rotating gantry (4);
the gantry movable rod (6) consists of a movable shaft rod (61), a handle (62), a dustproof plate (63) and a bolt (64), the movable shaft rod (61) is ensured to freely slide up and down in a sleeve consisting of a movable rod sleeve (44) and a sleeve wear-resistant bush (47) by lifting and lowering the handle (62), the handle (62) is welded on the movable shaft rod (61), and the dustproof plate (63) is fastened at the end part of the movable shaft rod (61) through the bolt (64);
the sliding base (7) consists of an upper seat plate assembly (71), a rotary locking bolt (72), a lower seat plate assembly (73), a rolling bearing (74) and a shaft (75), wherein the upper seat plate assembly (71) is sleeved on a stand column of the lower seat plate assembly (73) and can rotate around the stand column by 360 degrees; the upper seat plate component (71) is limited by screwing the locking bolt (72); the shaft (75) is fixedly welded with the lower seat plate assembly (73), and the rolling bearings (74) are arranged at two ends of the shaft;
the hydraulic centering oil cylinder unit (8) consists of a hydraulic oil cylinder (81), a centering push plate (82), a base (83) and a reinforcing rib plate (84), and the hydraulic oil cylinder (81) is fixedly arranged on the base (83) through bolts; the centering push plate (82) is fixedly connected with a flange bolt at the end part of a hydraulic oil cylinder (81) rod; two sets of hydraulic centering oil cylinder units (8) are symmetrically arranged on two sides of the two guide rails;
the adapter sleeve common rod assembly (9) consists of a common rod (91), an adapter sleeve (92), a bushing (93) and a locking bolt (94), and the adapter sleeve (92) is fastened on the common rod (91) through the locking bolt (94) and used for preventing sliding and falling;
the rotor lifting sliding platform (10) comprises a lower structure frame (101), an upper structure frame (102), an X-shaped frame (103), a lifting hydraulic cylinder (104), a low-position resting safety leg (105), an upper sliding platform (106), a sliding hydraulic cylinder (107), a fixed baffle (108) and a movable baffle (109), and the whole rotor lifting sliding platform (10) is fixedly installed on the ground.
2. The horizontal dismounting device for the gantry rotatable motor stator and rotor according to claim 1, wherein the gantry leg assemblies (2) at both sides and the gantry leg of the gantry leg assembly (3) are fixedly connected with the ground by bolts.
3. The horizontal dismounting device for the gantry rotatable motor stator and rotor according to claim 1, wherein four corners of the X-shaped frame (103) are installed between the lower structural frame (101) and the upper structural frame (102) in a manner of fixed end hinge (1031) and movable end roller rolling (1032).
4. The device for horizontally dismounting and mounting the stator and the rotor of the motor with the rotatable portal frame as claimed in claim 1, wherein the U-shaped steel of the upper sliding platform (106) is clamped on the two side structures of the upper structural frame (102), and two ends of the sliding hydraulic cylinder (107) are respectively fixed on the upper structural frame (102) and the upper sliding platform (106).
5. The device for horizontally dismounting and mounting the stator and the rotor of the motor with the rotatable gantry according to claim 1, wherein the upper sliding platform (106) is provided with a fixed baffle (108) and a movable baffle (109) for preventing the rotor from being limited.
6. A horizontal disassembly and assembly method for a stator and a rotor of a motor with a rotatable gantry comprises the following specific implementation steps:
step 1, a crane is adopted to convey a motor (11) to be disassembled to a sliding base (7) which is placed between guide rails (1) in advance, end covers at two ends are disassembled, and the operation of disassembling the end covers of a plurality of motors (11) can be simultaneously carried out by arranging a plurality of sliding bases (7);
step 2, the motor (11) with the end cover removed needs to be pushed into the tool, at the moment, the sliding base (7) needs to be loosened in advance to rotate the locking bolt (72), so that the upper seat plate assembly (71) can rotate around the upright post of the lower seat plate assembly (73), and after the rotation is carried out for 90 degrees, the rotating locking bolt (72) is screwed to prevent the upper seat plate assembly (71) of the sliding base from rotating;
step 3, lifting a handle (62) of the near-end portal movable rod (6) by hand to separate a movable shaft rod (61) from a sinking shaft sleeve structure (31) of the portal component (3), enabling the whole rotary portal (4) to rotate for 90 degrees around a rotating shaft (22) of the portal shaft leg component (2), then pushing a sliding base (7) with a motor (11) into a tool, closing the rotary portal (4) after confirming that the rotating portal is correct, paying special attention to and checking the condition that the portal movable rod (6) falls into the sinking shaft sleeve structure (31) of the portal component (3) during operation, and avoiding the connection inaccuracy and accidents;
step 4, inserting the adapter sleeve common rod assembly (9) into a chuck (54) of the far-end chuck assembly (5), pre-clamping the adapter sleeve common rod assembly (9), and avoiding interference with the adjustment of the position of the motor (10) because the length of the adapter sleeve common rod assembly (9) penetrating into the whole tool is not too long;
step 5, operating a hydraulic oil cylinder (81) in the hydraulic centering oil cylinder unit (8) to synchronously perform centering motion, enabling a centering push plate (82) to be in contact with the motor (11), finely adjusting the position of the axis of the motor (11) to be parallel to the axis of the tool, and after the adjustment is finished, releasing pressure by the hydraulic cylinder;
step 6, manually pushing the sliding base (7) to drive the motor (11) to horizontally and slightly slide in the guide rail (1), and meanwhile, manually rotating the hand wheel (51) to adjust the center position of the chuck (54) of the chuck assembly (5) to enable the rotor shaft to just penetrate into the chuck (54), then clamping the end of the rotor shaft, and paying attention to that the penetrating length of the shaft is not less than 100 mm;
step 7, loosening the adaptation sleeve common rod assembly (9) clamped by the chuck (54) of the far-end chuck assembly (5), adjusting the central position of the chuck (54) of the chuck assembly (5) and the length of the adaptation sleeve common rod assembly (9) entering the tool by manually rotating a hand wheel (51), enabling the rotor shaft to just penetrate into a lining (93) of the adaptation sleeve (92) of the adaptation sleeve common rod assembly (9), then clamping the end of the rotor shaft, and paying attention to the fact that the length of the shaft penetrating into the adaptation sleeve (92) is not less than 100 mm;
step 8, adjusting the center height of a chuck (54) of the chuck assembly (5) by synchronously rotating the hand wheel (51), so that the rotor (112) can just be separated from the stator (111), a uniform axial gap is formed between the rotor (112) and the stator (111), and after the rotor (112) and the stator (111) are confirmed to be correct, the screw rod is locked by screwing the safety nut (52) in time to prevent tripping, so that the safety is ensured;
step 9, slowly moving the sliding base (7) together with the stator (111), wherein the moving-out distance needs to be larger than the length of the rotor (112), so that the rotor (112) can be smoothly detached;
step 10, adjusting the height of the rotor lifting sliding platform (10) and the distance of the upper sliding platform (106) penetrating into the motor dismounting tool, enabling the rotor (112) to be in full contact with the upper sliding platform (106), simultaneously loosening the chucks (54) at two ends of the shaft of the rotor (112), enabling the weight of the motor to fall on the upper sliding platform (106), then limiting the rotor (112) by adopting a movable baffle (109), driving the rotor (112) to move out of the motor dismounting tool area by the upper sliding platform (106) of the sliding rotor lifting sliding platform (10), adjusting the height of the rotor lifting sliding platform (10) to be flush with the rotor storage platform (12), removing the movable baffle (109), and ensuring that the rotor (112) can roll to the rotor storage platform (12) smoothly under the assistance of manpower;
step 11, lifting the far-end gantry movable rod (6), enabling the movable rod (61) to be separated from the gantry leg seat and the sinking shaft sleeve structure (31), enabling the whole rotary gantry (4) to rotate for 90 degrees outwards around a rotating shaft (22) of the gantry leg assembly (2), and then pushing the sliding base (7) with the motor stator (111) out of the tool to a stator maintenance area;
and (3) detaching the stator (111) and the rotor (112) of the motor according to the steps 1-11, and completing the installation of the stator (111) and the rotor (112) by reversing the operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110797106.9A CN113472155B (en) | 2021-07-14 | 2021-07-14 | Device and method for horizontally disassembling and assembling stator and rotor of motor with rotatable gantry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110797106.9A CN113472155B (en) | 2021-07-14 | 2021-07-14 | Device and method for horizontally disassembling and assembling stator and rotor of motor with rotatable gantry |
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| Publication Number | Publication Date |
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| CN113472155A CN113472155A (en) | 2021-10-01 |
| CN113472155B true CN113472155B (en) | 2022-09-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201994789U (en) * | 2011-03-31 | 2011-09-28 | 株洲变流技术国家工程研究中心有限公司 | Horizontal type combined disassembling and assembling device for stator and rotor of permanent magnet synchronous motor |
| CN211606343U (en) * | 2020-04-02 | 2020-09-29 | 苏州保邦电气有限公司 | Device for assembling and disassembling permanent magnet motor rotor |
| CN212381079U (en) * | 2020-07-03 | 2021-01-19 | 淄博牵引电机集团股份有限公司 | Motor stator and rotor assembling device |
| CN112615503A (en) * | 2020-12-22 | 2021-04-06 | 武汉市恒信泰采油设备制造有限公司 | Permanent magnet synchronous submersible motor automatic installation and test production line |
-
2021
- 2021-07-14 CN CN202110797106.9A patent/CN113472155B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201994789U (en) * | 2011-03-31 | 2011-09-28 | 株洲变流技术国家工程研究中心有限公司 | Horizontal type combined disassembling and assembling device for stator and rotor of permanent magnet synchronous motor |
| CN211606343U (en) * | 2020-04-02 | 2020-09-29 | 苏州保邦电气有限公司 | Device for assembling and disassembling permanent magnet motor rotor |
| CN212381079U (en) * | 2020-07-03 | 2021-01-19 | 淄博牵引电机集团股份有限公司 | Motor stator and rotor assembling device |
| CN112615503A (en) * | 2020-12-22 | 2021-04-06 | 武汉市恒信泰采油设备制造有限公司 | Permanent magnet synchronous submersible motor automatic installation and test production line |
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| CN113472155A (en) | 2021-10-01 |
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