CN210157051U - Special tool for assembling and disassembling large-sized motor rotor - Google Patents
Special tool for assembling and disassembling large-sized motor rotor Download PDFInfo
- Publication number
- CN210157051U CN210157051U CN201921029093.5U CN201921029093U CN210157051U CN 210157051 U CN210157051 U CN 210157051U CN 201921029093 U CN201921029093 U CN 201921029093U CN 210157051 U CN210157051 U CN 210157051U
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- Prior art keywords
- butt joint
- flange
- motor rotor
- rotor
- lower plate
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- 210000001503 Joints Anatomy 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 229920001971 elastomer Polymers 0.000 claims abstract description 21
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 239000002965 rope Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 210000003414 Extremities Anatomy 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000004874 lower jaw Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000004873 upper jaw Anatomy 0.000 description 1
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Abstract
The utility model discloses large-scale electric motor rotor installs and removes specialized tool, including short clamp and long branch pole, short clamp includes the punch holder, the lower plate, annular rubber plate, fastening bolt, the butt joint of punch holder and lower plate is used for the axle of centre gripping rotor, annular rubber plate is located rotor shaft surface and is located the semi-circular clamping part inboard surface of punch holder simultaneously when punch holder and lower plate butt joint, fastening bolt cooperates lock nut to stabilize the upper and lower plate and connects after passing the bolt hole of punch holder butt joint portion, long branch pole includes rectangular shape seamless steel pipe, flange, the rubber gasket, the high strength bolt, flange connection is at rectangular shape seamless steel pipe one end tip, the butt joint face of flange and rotor butt joint is connected to the rubber gasket, the last bolt hole that is equipped with of flange, the high strength bolt passes the flange bolt hole and can connect the butt joint face at the rotor butt. The utility model discloses low cost, convenient operation and can improve production efficiency, guarantee that the rotor is dismantled and spare part is not damaged in the installation.
Description
Technical Field
The utility model relates to a special fixture that motor installation was maintained, in particular to specialized tool is installed and removed to large-scale electric motor rotor.
Background
At present, with the large-scale industry, the technical progress and the perfection of the national industrial layout, a large amount of large-scale equipment is used in the production process of production enterprises, so that a large-scale motor for driving the large-scale equipment is widely applied. When the large-scale motor is used, the regular maintenance of the motor is a key for ensuring the normal operation of the motor, and the regular maintenance is an effective means for realizing the intrinsic safety of equipment.
During the maintenance of the motor, the motor needs to disassemble the motor rotor to inspect the abrasion condition of the iron core rotor and the insulation of the coil of the iron core rotor, when the motor rotor is disassembled before inspection and is reset and installed after inspection, the frequently used method is to use tools such as a jack, a chain block, an ejector rod and the like to match with manual work to draw out and reset the motor rotor, when the method is adopted to disassemble and install the motor rotor, the method not only has more manpower, long disassembly and assembly period, low production efficiency and high cost, but also can cause the phenomena that the motor rotor collides with a machine base, a rotor coil collides with a stator coil, the coil scrapes a bearing seat and the like to cause the deformation, damage and the like of parts, and the like, so that the phenomena of incapability of installation, abnormal sound and the like occur when the motor rotor is assembled and reset, and even the situations of coil insulation damage, open circuit, important parts and even the whole motor need to be replaced, and great loss is caused. How to guarantee the safety and the efficiency of the motor rotor when being dismantled and installed is an effective means for guaranteeing the quality of motor maintenance and improving economic benefits.
The diameter of the iron core of the large-scale motor is larger than 1000mm, the weight is large, and the length is long; the base is also longer generally, and in order to ensure that the conditions that a motor rotor, a stator, a coil, a bearing seat and the like are damaged and damaged are avoided in the motor core pulling process, the use function of the motor is influenced, and the manufacturing of the special dismounting tool has important significance.
Disclosure of Invention
The utility model aims at the defect that above-mentioned prior art exists, provide a specialized tool is installed and removed to large-scale electric motor rotor, its light practicality, low cost, application scope are wide, strong operability to can improve production efficiency, guarantee that spare part does not receive the damage in electric motor rotor dismantlement and the installation, improve the motor and maintain the quality.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a tool special for assembling and disassembling a large-scale motor rotor comprises a short clamp and a long support rod, wherein the short clamp comprises an upper clamp plate, a lower clamp plate, an annular rubber plate and a fastening bolt, the upper clamp plate and the lower clamp plate respectively comprise a semicircular clamping part and a butt joint part formed by outwards extending two ends of the clamping part, bolt holes I with mutually corresponding positions are arranged on the butt joint part of the upper clamp plate and the lower clamp plate, a lifting lug I is connected in the middle of the outer surface of the upper clamp plate, the upper clamp plate and the lower clamp plate are in butt joint with a shaft for clamping the motor rotor, the annular rubber plate is positioned on the surface of the shaft of the motor rotor and is also positioned on the inner side surface of the semicircular clamping part of the upper clamp plate and the lower clamp plate when the upper clamp plate and the lower clamp plate are in butt joint, the fastening bolt penetrates through the bolt holes I in the butt joint part of the upper clamp, the outer surface of one end, far away from the connecting flange, of the long-strip-shaped seamless steel pipe is connected with a lifting lug II, the rubber gasket is connected to the butt joint face of the connecting flange and the motor rotor in butt joint, a bolt hole II is formed in the connecting flange, and the high-strength bolt penetrates through the bolt hole II of the connecting flange to connect the long support rod to the butt joint face of the motor rotor in butt joint.
The utility model discloses a further technical scheme is: and rib plates are connected between the end face of the connecting end of the connecting flange and the long-strip-shaped seamless steel pipe and the surface of the long-strip-shaped seamless steel pipe.
The utility model discloses large-scale electric motor rotor installs and removes specialized tool has following beneficial effect:
(1) simple manufacture, it is with low costs: the special tool for assembling and disassembling the large motor rotor has the advantages of less used materials and simple manufacturing process, adopts common seamless steel pipes, steel plates and standard parts, is manufactured on site according to a non-specific motor, has strong matching performance with the motor rotor, and is suitable for assembling and disassembling various types of large motor rotors; after a set of tool is manufactured, the motor rotor can be repeatedly and circularly used for many times in the assembling and disassembling process of the similar motor rotor, the service cycle is long, and the motor rotor is not easy to damage; the electric block, the truck crane, the steel wire rope, the chain block and the clamping ring 3 which are matched for use are common equipment in a mechanical production workshop, do not need to be purchased specially and have low cost.
(2) The safety of the operators is ensured: compared with the method that the jack and the chain block are matched with the manual work to assemble and disassemble the motor rotor, the utility model fixes one end of the motor rotor shaft through the short clamp, and fixes the other end of the motor rotor shaft through the long supporting rod; in the process that electric motor rotor shifts out or moves in the stator, long branch removes in the stator, and operating personnel carries out electric motor rotor's dismantlement and installation through outside operation, and operating personnel limbs and organism contactless effectively guarantee operating personnel's safety.
(3) Effectively guarantee equipment safety: the motor rotor shaft is wrapped with the soft annular rubber plate, and then the motor rotor shaft is locked firmly by the upper and lower clamping plates of the short clamp, so that the short clamp is not in direct contact with the outer diameter of the shaft, and the outer surface of the shaft diameter is effectively prevented from being scratched; a silicon rubber gasket is arranged between the long support rod and the end face of the stator shaft, and the flange on the end face of the long support rod is locked with the end face of the stator shaft by bolts, so that the connecting face is not loosened, the end face of the shaft is prevented from being scratched, and the connection is firm; in the process of disassembling and installing the motor rotor, the center of gravity is adjusted through the chain block, so that the uniform gap between a motor rotor coil and a stator coil is ensured, the motor rotor is moved by utilizing the characteristic that hoisting equipment stably moves horizontally, and the collision is avoided; the chain block, the steel wire rope and the special tool are used for ensuring that the motor rotor is stably hoisted and does not fall or rub against the ground, the stator and the motor shell, so that equipment damage is avoided, and the safety of the equipment is effectively ensured.
(4) The operation is simple and convenient: after the special tool for assembling and disassembling the large-scale motor rotor is used, the operation of assembling and disassembling the motor is simple, and the operation can be mastered through simple training; the number of the operators is small, and the operation of the whole process can be skillfully completed by only matching three persons.
The special tool for assembling and disassembling the large-sized motor rotor of the present invention will be further described with reference to the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of a short clamp of the special tool for assembling and disassembling a large-scale motor rotor of the utility model;
FIG. 2 is a cross-sectional view taken along the line C-C of FIG. 1;
FIG. 3 is a schematic view of the structure of the upper jaw of the short clamp;
FIG. 4 is a schematic view of the construction of the lower jaw of the short clamp;
FIG. 5 is a schematic structural view of a long support rod of the special tool for assembling and disassembling a large-scale motor rotor according to the present invention;
FIG. 6 is a sectional view taken along line A-A of FIG. 5;
FIG. 7 is a sectional view taken along line B-B of FIG. 5;
FIG. 8 is a schematic structural view of the motor rotor assembly and disassembly tool for large-scale motor rotor assembly and disassembly;
the reference numbers illustrate: 1-motor rotor, 2-short clamp, 21-lower clamping plate, 22-fastening bolt, 23-lifting lug I, 24-upper clamping plate, 25-annular rubber plate, 26-bolt hole I, 27-butt joint part, 28-clamping part, 3-snap ring, 4-steel wire rope, 5-hoisting equipment, 6-chain block, 7-long support rod, 71-connecting flange, 72-rib plate, 73-lifting lug II, 74-elongated seamless steel pipe, 75-bolt hole II, 8-high-strength bolt, 9-rubber gasket and 10-stator.
Detailed Description
As shown in fig. 1 to 8, the special tool for mounting and dismounting a large-sized motor rotor (abbreviated as "special tool") of the present invention includes a short clamp 2 and a long support rod 7.
As shown in fig. 1 to 4, the short clamp 2 includes an upper clamp plate 24, a lower clamp plate 21, an annular rubber plate 25, a fastening bolt 22, the upper clamp plate 24 and the lower clamp plate 21 respectively include a semicircular clamping portion 28 and a butt joint portion 27 formed by outward extending two ends of the clamping portion 28, the butt joint portion 27 of the upper clamp plate 24 and the lower clamp plate 21 is provided with a bolt hole i 26 corresponding to each other in position, the middle portion of the outer surface of the upper clamp plate 24 is connected with a lifting lug i 23, the upper clamp plate 24 and the lower clamp plate 21 are in butt joint with a shaft for clamping the motor rotor 1, the annular rubber plate 25 is located on the shaft surface of the motor rotor 1 and is located on the inner side surface of the semicircular clamping portion 28 of the upper clamp plate and the lower clamp plate simultaneously when the upper clamp plate 24 and the lower clamp plate 21 are in butt joint, and the.
As shown in fig. 5 to 7, the long support rod 7 includes a long-strip-shaped seamless steel pipe 74, a connecting flange 71, a rubber gasket 9, and a high-strength bolt 8, the connecting flange 71 is connected to an end portion of one end of the long-strip-shaped seamless steel pipe 74, a lifting lug ii 73 is connected to an outer surface of one end of the long-strip-shaped seamless steel pipe 74, which is far away from the connecting flange 71, a rib 72 is connected between an end surface of a connecting end of the connecting flange 71 and the long-strip-shaped seamless steel pipe 74 and a surface of the long-strip-shaped seamless steel pipe 74, the rubber gasket 9 is connected to a butt joint surface of the connecting flange 71 and the motor rotor 1, a bolt hole ii 75.
When the motor rotor 1 is disassembled, please refer to fig. 8 at the same time, and the core pulling preparation work is done: and (3) removing couplings (not shown in the figure), fans (not shown in the figure), coolers (not shown in the figure), bearing covers (not shown in the figure) at the front end and the rear end and the like connected with the motor to ensure that the motor rotor 1 can be smoothly drawn out.
A layer of annular rubber plate 25 is wrapped on the outer diameter of a shaft at one end of the motor rotor 1, an upper clamping plate 24 and a lower clamping plate 21 of the short clamp 2 are installed on a motor shaft wrapping the annular rubber plate 25, and a fastening bolt 22 is screwed down, so that the upper clamping plate 24 and the lower clamping plate 21 are firmly fixed on the shaft of the motor rotor 1. The end face of the other end of the motor rotor 1 is provided with a rubber gasket 9, and then the connecting flange 71 of the long strut 7 is fixed at the shaft end by a high-strength bolt 8.
According to the figure 8, the short clamp 2 and the long support rod 7 are connected to the lifting hook of the hoisting equipment 5 (maintenance electric hoist) by a matched steel wire rope 4, a snap ring 3 and a chain block 6. The hoisting equipment 5 is controlled (the electric hoist is overhauled), the chain block 6 is pulled at the same time, the special tool and the motor rotor 1 are adjusted, the motor rotor 1 is balanced, an even gap is formed between the rotor core and the stator 10, the motor rotor 1 and the stator 10 are completely separated, and the stress of the motor rotor 1 and the special tool completely falls on the hoisting equipment 5.
The hoisting equipment 5 (overhauling the electric hoist) is controlled to move horizontally slowly, the motor rotor 1 is driven by a special tool to retreat horizontally slowly, the gap between the coils of the motor rotor 1 and the stator 10 is ensured to be uniform by observing uninterruptedly in the moving process, the motor rotor 1 is prevented from touching until the motor rotor 1 is completely drawn out, the hoisting equipment 5 (overhauling the electric hoist) is suspended, and finally the motor rotor 1 is dropped on a bracket (not shown in the figure) prepared in advance.
The mounting and dismounting of the motor rotor 1 are consistent and the operation steps are reversed, and are not described in detail here.
The above embodiments are only preferred embodiments of the present invention, the structure of the present invention is not limited to the forms illustrated in the above embodiments, and any modifications, equivalent substitutions and the like made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (2)
1. The utility model provides a large-scale motor rotor installs and removes specialized tool, which is characterized in that, including short clamp (2) and long branch pole (7), short clamp (2) include upper plate (24), lower plate (21), annular rubber slab (25), fastening bolt (22), upper plate (24) and lower plate (21) include semi-circular clamping part (28) and by the butt joint portion (27) that clamping part (28) both ends outwards extended formation respectively, be equipped with the bolt hole I (26) that the position corresponds each other on butt joint portion (27) of upper plate (24) and lower plate (21), upper plate (24) surface middle part is connected with lug I (23), upper plate (24) and lower plate (21) butt joint are used for the axle of centre gripping rotor, annular rubber slab (25) are located rotor shaft surface and are located the semi-circular clamping part (28) inboard surface of upper and lower plate (21) simultaneously when upper plate (24) and lower plate (21) butt joint, fastening bolt (22) pass bolt hole I (26) back cooperation lock nut of punch holder butt joint portion (27) and are connected the punch holder firmly, long branch pole (7) are including rectangular shape seamless steel pipe (74), flange (71), rubber gasket (9), high strength bolt (8), flange (71) are connected at rectangular shape seamless steel pipe (74) one end tip, rectangular shape seamless steel pipe (74) are kept away from flange (71) one end surface and are connected with lug II (73), the butt joint face in flange (71) and rotor butt joint is connected in rubber gasket (9), be equipped with bolt hole II (75) on flange (71), high strength bolt (8) pass flange (71) bolt hole II (75) and can connect long branch pole (7) at the one end terminal surface of motor rotor (1).
2. The special tool for assembling and disassembling the large-scale motor rotor according to claim 1, characterized in that a rib plate (72) is connected between the end surface of the connecting end of the connecting flange (71) and the elongated seamless steel tube (74) and the surface of the elongated seamless steel tube (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029093.5U CN210157051U (en) | 2019-07-03 | 2019-07-03 | Special tool for assembling and disassembling large-sized motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029093.5U CN210157051U (en) | 2019-07-03 | 2019-07-03 | Special tool for assembling and disassembling large-sized motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210157051U true CN210157051U (en) | 2020-03-17 |
Family
ID=69765173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921029093.5U Active CN210157051U (en) | 2019-07-03 | 2019-07-03 | Special tool for assembling and disassembling large-sized motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210157051U (en) |
-
2019
- 2019-07-03 CN CN201921029093.5U patent/CN210157051U/en active Active
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