CN109672308B - Automatic plug-in mounting machine for liftable stator and rotor of small generator - Google Patents
Automatic plug-in mounting machine for liftable stator and rotor of small generator Download PDFInfo
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- CN109672308B CN109672308B CN201910001440.1A CN201910001440A CN109672308B CN 109672308 B CN109672308 B CN 109672308B CN 201910001440 A CN201910001440 A CN 201910001440A CN 109672308 B CN109672308 B CN 109672308B
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- 238000009434 installation Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H02K15/16—Centering rotors within the stator; Balancing rotors
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the field of generator installation equipment, in particular to an automatic plug-in machine for a liftable stator and a liftable rotor of a small generator; it comprises the following steps: the motor comprises a lathe bed, wherein two sides of the lathe bed are provided with seat channel steel, guide rails are arranged on the seat channel steel, a control cabinet is fixedly arranged at one end of each guide rail, a fixed main shaft is arranged on each control cabinet, a main shaft V-shaped wedge block is arranged on the end face of each main shaft, a movable stator mounting part is arranged on the lathe bed, a movable rotor mounting part is arranged at one end of the lathe bed, a motor rotor is fixedly arranged through the matching of a tailstock V-shaped wedge block and a main shaft V-shaped wedge block arranged on the rotor mounting part, and the motor stator and the motor rotor are coaxially mounted by moving the stator mounting parts; the beneficial effects are as follows: the device adopts an automatic installation and adjustment mode to realize automatic insertion of the small-sized generator rotor, reduce the labor intensity of workers and improve the consistency and efficiency of assembly.
Description
Technical Field
The invention relates to the field of generator installation equipment, in particular to an automatic plug-in machine for a liftable stator and a liftable rotor of a small generator.
Background
The stator and rotor assembly or general assembly of the generator comprises sleeving the rotor into the stator, adjusting an air gap, and installing other components such as an external fan, a brush device and the like. After final assembly, the test should be performed one by one. These projects or process flows have a great impact on the quality and performance of the generator due to the size, type and application of the generator, or the deletion or addition and refinement. Before assembly, the quantity and quality of the parts are checked, the greasy dirt and dust of each part are cleaned, and the protruding insulation is removed. Burrs and paint covers of the matched parts are carefully removed, otherwise the matching accuracy and the air gap uniformity are affected, and electrical or mechanical faults are caused. During assembly, sleeving the rotor into the stator is one of the key procedures. Careless operation or unsuitable operation method easily causes the winding to be bumped, scratched or damaged. In special cases, even a deformation of the shaft results. During sleeving, the relative positions of the shaft extension and the outlet box should be noted, and the requirements of drawings should be met.
The installation process of the generator plays a crucial role in the motion performance of the whole system. Through consulting a large amount of documents and investigation, current generator manufacturers mainly rely on the manual work to accomplish the cartridge work of small-size generator rotor. In the assembly of generators of large mass and size, manual assembly is particularly difficult, requiring a large number of workers to cooperate with each other. Hoisting is carried out by a high-level and experienced crown block master. During the assembly process, a large number of human factors exist, so that the assembly is particularly difficult and the precision is low. Moreover, workers cannot maintain a uniform state of the assembly process during assembly, so that the quality of generators produced in the same batch of products is also greatly different.
Disclosure of Invention
The invention aims to provide an automatic inserting machine for lifting stator and rotor of a small generator, which effectively solves the problems of low precision and poor efficiency of the existing manual installation of the stator and rotor of the generator, and achieves the purposes of automatic inserting of the rotor of the small generator, reduction of labor intensity of workers and improvement of consistency and efficiency of assembly by adopting an automatic installation and adjustment mode.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
an automatic plug-in mounting machine for liftable stator and rotor of a small-sized generator, comprising: lathe bed 1, lathe bed 1 bottom are equipped with a plurality of supporting seats 2, and lathe bed 1 both sides are seat channel-section steel 3, its characterized in that: the guide rail 4 is arranged on the seat channel steel 3, a control cabinet 5 and a hydraulic station 7 are arranged at one end of the guide rail 4, a fixed main shaft 8 is arranged at the end face of the control cabinet 5 towards the guide rail 4, a main shaft V-shaped wedge block 9 is arranged at the end face of the main shaft 8, a movable stator mounting part is arranged on the machine body 1, a motor 16 and a speed reducer 17 are arranged on the stator mounting part, a rack 18 is fixedly arranged on the side wall of the seat channel steel 3, an output gear on the speed reducer 17 is meshed with the rack 18, movement of the stator mounting part is achieved, a movable rotor mounting part is arranged at one end of the machine body, a motor rotor 26 is fixedly arranged through the cooperation of a tailstock V-shaped wedge block 24 and the main shaft V-shaped wedge block 9 which are arranged on the rotor mounting part, and the motor stator 15 and the motor rotor 26 are coaxially mounted by the movement of the stator mounting part.
The control cabinet 5 is provided with a feed control button 6 for controlling the stator installation part to move transversely and longitudinally.
The V-shaped wedge block 9 of the main shaft and the V-shaped wedge block 24 of the tailstock are provided with wedge block fixing rotating handles 25 for adjusting V-shaped included angles.
The stator installation department comprises lower plate 10, pneumatic cylinder 13 and upper plate 14, and lower plate 10 is placed on lathe bed 1, is provided with pneumatic cylinder 13 and a plurality of guide bar 27 on it, and pneumatic cylinder 13 communicates with hydraulic station 7 through the pipeline, and upper plate 14 is installed in the upper end of pneumatic cylinder 13 and guide bar 27, and motor stator 15 is placed on upper plate 14.
The lower bottom plate 10 is provided with a side frame 11, the end face of the side frame 11 is of a U-shaped structure, and a roller 12 is arranged in the side frame 11, so that the roller 12 and the guide rail 4 are in contact with each other.
The rotor installation part comprises a tailstock 19 and a tailshaft 23, the tailstock 19 is placed on the guide rail 4, the tailshaft 23 is installed on the tailstock 19, a tailstock V-shaped wedge 24 is installed on the end face of the tailshaft 23, and the motor rotor 26 is placed on the tailstock V-shaped wedge 24 and the main shaft V-shaped wedge 9.
The tail seat 19 is provided with a tail seat fixing block 20 with adjustable height at the bottom, a tail seat fastening handle 21 for adjusting the tail seat fixing block 20 is arranged on the tail seat 19, and the guide rail 4 is arranged between the tail seat 19 and the tail seat fixing block 20.
The tailstock 19 is provided with a tailstock hand wheel 22 for fine tuning a tailshaft 23.
The invention also aims to provide an operation method of the automatic plug-in mounting machine based on the liftable stator and rotor of the small-sized generator, which comprises the following steps:
s1, adjusting positions of a stator mounting part and a rotor mounting part on a plug-in mounting machine;
s2, placing a motor stator 15 on a stator mounting part through overhead travelling crane hoisting, controlling a hydraulic cylinder 13 to lift to a specific height, controlling a motor 16 to work, moving the stator mounting part to a position close to a main shaft 8 in the horizontal direction, and stopping after moving to the specific position;
s3, lifting one end of a motor rotor 26 on a V-shaped wedge 9 at the main shaft end through a crown block, and placing the other end of the motor rotor on a tail seat 19V wedge 24 of a rotor mounting part, and fixing the motor rotor through a wedge block fixing rotary handle 25;
s4, controlling the stator mounting part to move towards the direction of the rotor mounting part, sleeving the motor stator 15 on the motor rotor 26, and completing the assembly of the primary stator and the rotor.
The beneficial effects of the invention are as follows: 1) The device adopts a PLC control system and a hydraulic transmission scheme, and the detection device is used for detecting the mechanical moving parts of the device in real time, so that the automatic insertion of the rotor of the small-sized generator is realized.
2) The device is safe and reliable, labor is saved, labor intensity of workers is reduced, and assembly consistency and efficiency are improved.
3) The device is stable in installation, controllable in installation position and wide in application range, and is applicable to the installation of motor stator rotors with various specifications within 89-315 mm.
In summary, this device is through adopting automatic installation regulation mode to realize small-size generator rotor's automatic cartridge, reduce workman's intensity of labour, improve uniformity and the efficiency of assembly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the bed according to the present invention;
FIG. 3 is a schematic diagram of a rack engaging structure of the reduction gear;
FIG. 4 is a schematic view of a stator mounting section;
FIG. 5 is a schematic view of a rotor mounting portion structure
The figure shows: lathe bed 1, supporting seat 2, seat channel steel 3, guide rail 4, switch board 5, feed control button 6, hydraulic pressure station 7, main shaft 8, main shaft V type voussoir 9, lower plate 10, side bearer 11, gyro wheel 12, pneumatic cylinder 13, upper plate 14, motor stator 15, motor 16, reduction gear 17, rack 18, tailstock 19, tailstock fixed block 20, tailstock fastening handle 21, tailstock hand wheel 22, tailshaft 23, tailstock V type voussoir 24, wedge fixed swivel 25, motor rotor 26, guide bar 27.
Detailed Description
The technical scheme of the invention is further described below by specific embodiments with reference to the accompanying drawings:
example 1
The automatic plug-in machine for the liftable stator and the rotor of the small generator shown in fig. 1 aims at providing a stator and rotor installation device which can replace manual operation and ensure installation accuracy, and the device can be divided into four parts, namely a lathe bed installation part, a control part, a stator installation part and a rotor installation part, and the specific structure, principle and workflow are as follows.
The lathe bed installation part uses the lathe bed 1 as an installation main body, seat channel steel 3 is arranged on two sides of the lathe bed 1, and the seat channel steel 3 is used for installing a fixed guide rail 4. The installation part of the lathe bed is integrally of a U-shaped structure, so that the installation and fixation of the stator installation part and the rotor installation part can be facilitated.
The control part is a control cabinet 5 on which a feed control button 6 is arranged. The control cabinet 5 adopts a PLC control system to realize the adjustment of the moving distance of the stator mounting part in the X and Y directions.
The stator mounting structure is composed of a lower plate 10, a hydraulic cylinder 13, and an upper plate 14, as shown in fig. 4. The mounting structure of the stator mounting portion and the bed portion is shown in fig. 1. The lower base plate 10 is placed on the bed 1. Side frames 11 are arranged on two sides of the lower bottom plate 10, and the end faces of the side frames 11 are of U-shaped structures. A plurality of rollers 12 are arranged in the side frames 11, and after the side frames 11 wrap the guide rails, the rollers 12 are meshed with the guide rails 4, so that the moving track of the stator mounting part is limited. The lower bottom plate 10 is provided with a hydraulic cylinder 13 and a plurality of guide rods 27, the hydraulic cylinder 13 is communicated with the hydraulic station 7 through a pipeline, and the hydraulic station 7 is a power source of the hydraulic cylinder 13. The hydraulic station 7 provides power through the control of the control cabinet 5, and the hydraulic cylinder 13 moves up and down. The upper base plate 14 is mounted on the upper end of the hydraulic cylinder 13, and the motor stator 15 is placed on the upper base plate 14.
The X-direction movement of the stator mounting is achieved by the output gear of the reducer 17 cooperating with the rack 18. As shown in fig. 3, a rack 18 is fixedly provided on the side wall of the seat channel 3, and a motor 16 and a decelerator 17 are mounted on the stator mounting portion. The movement of the stator mounting portion is achieved by the output gear on the speed reducer 17 meshing with the rack 18. The rotation speed of the motor 16 is controlled by the control cabinet 5.
As shown in fig. 2, a main shaft 8 is mounted on the side of the control cabinet 5, a main shaft V-shaped wedge 9 is mounted on the end surface of the main shaft 8, and a motor rotor 26 is placed and fixed by matching a tailstock V-shaped wedge 24 provided on the rotor mounting part with the main shaft V-shaped wedge 9.
The rotor mounting structure is composed of a tailstock 19 and a tailshaft 23 as shown in fig. 5. The whole tailstock 19 is mounted on the bed 1. In order to realize adjustable fixation of the tailstock 19 and the bed body 1, a tailstock fixing block 20 with adjustable height is arranged at the bottom of the tailstock 19, and two tailstock fastening handles 21 for adjusting the tailstock fixing block 20 to move up and down are arranged on the tailstock 19. During installation, the guide rail 4 is arranged between the tailstock 19 and the tailstock fixing block 20, and when the whole stator installation part is required to be fixed, the tailstock fastening handle 21 is rotated, so that the distance between the tailstock fixing block 20 and the tailstock 19 is shortened, the guide rail 4 is clamped, and the fixation of the rotor installation part is realized.
The rotor is mounted by the cooperation of the tailstock V-shaped wedge 24 and the main shaft V-shaped wedge 9. As shown in fig. 5, a tailstock 23 is attached to the tailstock 19, a tailstock V-shaped wedge 24 is attached to an end surface of the tailstock 23, and a motor rotor 26 is placed on the tailstock V-shaped wedge 24 and the spindle V-shaped wedge 9. When the motor is required to be fixed, the V-shaped included angle is adjusted by adjusting the wedge block fixing rotating handles 25 on the main shaft V-shaped wedge block 9 and the tailstock V-shaped wedge block 24, so that the main shaft V-shaped wedge block 9 and the tailstock V-shaped wedge block 24 fix the motor rotor 26. In the process of mounting the stator and the rotor, the position of the stator and the rotor needs to be adjusted with high precision, and the tailstock hand wheel 22 for fine-adjusting the tailstock shaft 23 is arranged on the tailstock 19, so that the position of the motor rotor 26 can be adjusted with high precision.
The specific operation steps are as follows:
in order to realize automatic insertion of the stator and the rotor of the generator with different specifications and different models, a machine tool is firstly adjusted to be in place before assembly. The motor stator is placed on the stator mounting part through overhead travelling crane hoist and mount, and the hydraulic system is controlled to start working through the switch board 5, and the pneumatic cylinder 13 goes up and down to drive stator mounting part to the vertical direction and goes up and down, and after the stator mounting part rises to its preset position, pneumatic cylinder 13 stops the motion, and the movable working table stops and keeps on the preset position.
After the stator installation part rises and adjusts to the target position, through the control cabinet 5 control, output gear and rack 18 cooperation on by the reduction gear 17 for the stator installation part moves to the position that the horizontal direction is close to main shaft 8, until touching the limit switch that is located machine head side, and stator installation part stops the motion, and stator installation part adjusts to the target position.
The crown block hoisting places one end of the motor rotor 26 on the main shaft end V-shaped wedge 9 and the other end on the tailstock V-shaped wedge 24. Because the motor types are different, the rotor length of the motor is also different, and the tailstock 19 can adjust the fixed position in a certain range according to the length of the motor rotor. The tailstock 19 is initially adjusted to coarse adjustment, and the tailstock hand wheel 22 can change rotational motion to horizontal movement of the tailstock V-shaped wedge 24 to achieve fine adjustment of the wedge.
During installation, the stator installation part is controlled to move towards the direction of the rotor installation part by the control cabinet 5, and the motor stator is sleeved on the rotor to complete the assembly of the stator and the rotor once.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. An automatic plug-in mounting machine for liftable stator and rotor of a small-sized generator, comprising: the lathe bed, lathe bed bottom are equipped with a plurality of supporting seats, and the lathe bed both sides are seat channel-section steel, its characterized in that: the guide rails are arranged on the seat channel steel, one end of each guide rail is provided with a control cabinet and a hydraulic station, a fixed main shaft is arranged at the end of each control cabinet facing the guide rail, a V-shaped wedge block of the main shaft is arranged at the end surface of each main shaft, a movable stator mounting part is arranged on the machine body, a motor and a speed reducer are arranged on the stator mounting parts, racks are fixedly arranged on the side walls of the seat channel steel, the output gear on the speed reducer is meshed with the rack to realize the movement of the stator mounting part, a movable rotor mounting part is mounted at one end of the lathe bed, the motor rotor is placed and fixed through the matching of a tailstock V-shaped wedge block and a main shaft V-shaped wedge block which are arranged on the rotor mounting part, and the stator mounting part is moved to enable the motor stator and the motor rotor to be mounted coaxially;
the V-shaped wedge block of the main shaft and the V-shaped wedge block of the tailstock are provided with wedge block fixing rotating handles, and V-shaped included angles are adjusted;
the stator installation part consists of a lower bottom plate, a hydraulic cylinder and an upper bottom plate, wherein the lower bottom plate is placed on the bed body, the hydraulic cylinder and a plurality of guide rods are arranged on the lower bottom plate, the hydraulic cylinder is communicated with the hydraulic station through a pipeline, the upper bottom plate is installed at the upper ends of the hydraulic cylinder and the guide rods, and the motor stator is placed on the upper bottom plate;
the rotor mounting part consists of a tailstock and a tailstock, the tailstock is arranged on the guide rail, the tailstock is provided with the tailstock, the tail end surface of the tailstock is provided with a tailstock V-shaped wedge block, and the motor rotor is arranged on the tailstock V-shaped wedge block and the main shaft V-shaped wedge block;
and a feeding control button is arranged on the control cabinet, and the control cabinet adopts a PLC control system to realize the adjustment of the moving distance of the stator mounting part in the X and Y directions.
2. The automatic plug-in machine for lifting stator and rotor of small generator according to claim 1, wherein: the lower bottom plate is provided with a side frame, the end face of the side frame is of a U-shaped structure, and the inside of the side frame is provided with rollers, so that the rollers are in contact with the guide rail.
3. The automatic plug-in machine for lifting stator and rotor of small generator according to claim 1, wherein: the tail seat bottom is provided with a tail seat fixing block with adjustable height, a tail seat fastening handle for adjusting the tail seat fixing block is arranged on the tail seat, and the guide rail is arranged between the tail seat and the tail seat fixing block.
4. A miniature generator liftable stator and rotor automatic insertion machine according to claim 3, wherein: and a tailstock hand wheel for fine tuning the tailshaft is arranged on the tailstock.
5. The method for operating a small-sized generator liftable stator and rotor automatic insertion machine according to any one of claims 1 to 4, comprising the following specific steps:
s1, adjusting positions of a stator mounting part and a rotor mounting part on a plug-in mounting machine;
s2, placing a motor stator on a stator mounting part through overhead travelling crane hoisting, controlling a hydraulic cylinder to lift to a specific height, controlling a motor to work, moving the stator mounting part to a position close to a main shaft in the horizontal direction, and stopping after moving to the specific position;
s3, hoisting one end of a motor rotor on a V-shaped wedge block at the main shaft end through a crown block, and the other end of the motor rotor on a V-shaped wedge block at a tailstock of a rotor mounting part and fixing a rotating handle through a wedge block;
s4, controlling the stator mounting part to move towards the direction of the rotor mounting part, sleeving the motor stator on the motor rotor, and completing the assembly of the primary stator and the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001440.1A CN109672308B (en) | 2019-01-02 | 2019-01-02 | Automatic plug-in mounting machine for liftable stator and rotor of small generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001440.1A CN109672308B (en) | 2019-01-02 | 2019-01-02 | Automatic plug-in mounting machine for liftable stator and rotor of small generator |
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| Publication Number | Publication Date |
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| CN109672308A CN109672308A (en) | 2019-04-23 |
| CN109672308B true CN109672308B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910001440.1A Active CN109672308B (en) | 2019-01-02 | 2019-01-02 | Automatic plug-in mounting machine for liftable stator and rotor of small generator |
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| CN112077591A (en) * | 2020-09-05 | 2020-12-15 | 赵培培 | Large-scale generator assembly production process and assembly device thereof |
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| CN114785074B (en) * | 2022-05-25 | 2023-05-26 | 瑞昌市森奥达科技有限公司 | Motor assembly equipment and operation method thereof |
| CN114986158B (en) * | 2022-08-02 | 2022-11-22 | 江苏嘉轩智能工业科技股份有限公司 | Assembling method of horizontal roller assembling machine |
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| CN209435065U (en) * | 2019-01-02 | 2019-09-24 | 兰州工业学院 | A kind of small generator liftable rotor automatic placement device |
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2019
- 2019-01-02 CN CN201910001440.1A patent/CN109672308B/en active Active
Patent Citations (4)
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|---|---|---|---|---|
| JPH1066312A (en) * | 1996-06-14 | 1998-03-06 | Fuji Electric Co Ltd | Assembling device for permanent magnet synchronous motor |
| MX2008015837A (en) * | 2007-12-19 | 2009-06-18 | Klingelnberg Ag | Machine tool or production machine with signal generation by means of direct drive and method for generating signals in such a machine . |
| JP2013158133A (en) * | 2012-01-30 | 2013-08-15 | Hitachi Koki Co Ltd | Stator, motor for electric tool, electric tool, and method for manufacturing stator |
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