CN220950793U - Core-penetrating lifting device in limited space of large motor - Google Patents
Core-penetrating lifting device in limited space of large motor Download PDFInfo
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- CN220950793U CN220950793U CN202322430440.8U CN202322430440U CN220950793U CN 220950793 U CN220950793 U CN 220950793U CN 202322430440 U CN202322430440 U CN 202322430440U CN 220950793 U CN220950793 U CN 220950793U
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- lifting
- crane
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model relates to the technical field of motor hoisting auxiliary devices, in particular to a core penetrating hoisting device in a limited space of a large motor. Its technical scheme includes motor stator and motor rotor, still includes: the lifting device is used for lifting the rotor carrying pole beam, the bottom of the rotor carrying pole beam is connected with the stator carrying pole beam through a fixing bolt, and hanging rods are arranged on two sides of the stator carrying pole beam; is used for supporting a lower motor foundation and an upper motor foundation of the motor, the upper surfaces of the lower motor foundation and the upper motor foundation are respectively provided with a motor base and a motor bearing seat; the lifting device is used for lifting a left crane and a right crane, and both the left crane and the right crane are arranged on a crane track. The utility model solves the difficult problem that the installation of the upper motor and the lower motor in the factory building cannot be constructed because the width of the factory building and the lifting height of the crane are limited; the device and the using method are safe and reliable in construction process, short in time and high in efficiency, and meet construction requirements, and meanwhile, the device and the using method can be used repeatedly for motor maintenance in the future.
Description
Technical Field
The utility model relates to the technical field of motor hoisting auxiliary devices, in particular to a core penetrating hoisting device in a limited space of a large motor.
Background
In the hot-rolled strip rolling production line, the rotor and the stator of the main drive motor of the rolling mill are both split approach, and the weight of the main drive motor exceeds the rated lifting capacity of a single crane in the area.
When the lower motor rotor penetrates the core, sometimes the lower motor rotor can meet the conditions that the design width of a factory building is compact, the span is smaller, and after the upper dummy shaft is connected with the motor rotor, the overall installation length is larger than the installation size from a factory building column to the lower motor, so that the core penetrating installation of the lower motor can not be directly carried out.
When the upper motor rotor is installed, the upper motor rotor cannot be directly installed in a penetrating mode due to the fact that the upper motor rotor cannot be lifted to a specified height due to the fact that the upper motor rotor is limited by lifting height of a crane, and according to a conventional method, installation work of an upper motor and a lower motor in a factory building cannot be completed.
Disclosure of utility model
The utility model aims to solve the problem in the background art that the installation of an upper motor and a lower motor in a factory building is limited due to the width of the factory building and the lifting height of a travelling crane, and the construction cannot be performed, and provides a core penetrating hoisting device in a limited space of a large motor.
The technical scheme of the utility model is as follows: the utility model provides a wear core hoist device in large-scale motor confined space, includes motor stator and motor rotor, still includes: the rotor shoulder pole beam is used for hoisting, the bottom of the rotor shoulder pole beam is connected with the stator shoulder pole beam through a fixing bolt, and hanging rods are arranged on two sides of the stator shoulder pole beam; the motor support comprises a lower motor base and an upper motor base which are used for supporting a motor, wherein motor bases and motor bearing seats used for supporting are arranged on the upper surfaces of the lower motor base and the upper motor base; the left crane and the right crane are arranged on a crane track, and support columns are fixedly arranged at the bottom of the crane track for supporting.
Optionally, the rotor shoulder pole roof beam includes the box roof beam, the both sides of box roof beam are all fixed to be provided with a plurality of first lugs, the bottom of box roof beam is fixed to be provided with two quick connecting plates.
Optionally, the stator shoulder pole roof beam includes the arch roof beam, the both sides of arch roof beam are all fixed to be provided with a plurality of second lugs, fixedly be provided with many spinal branch vaulting poles between the arch roof beam, fixedly be provided with multiunit bracing between the arch roof beam, offer the bolt hole corresponding with quick connecting plate on the arch roof beam.
Optionally, the both sides of motor stator are provided with the track, and motor stator's bottom all is provided with the elevating gear who is used for going up and down, elevating gear's bottom is fixed to be provided with the cushion.
Optionally, one end of the motor rotor is provided with a dummy shaft, and both ends of the motor rotor are provided with hoisting steel wire ropes for hoisting.
Optionally, rotor bearing frame has been cup jointed to motor rotor's one end, rotor bearing frame's bottom is provided with first support running gear, the last fixed sleeve that has cup jointed of dummy shaft, fixed sleeve's bottom is provided with the second and supports running gear.
Optionally, a chain block is arranged between the first lifting lug and the motor rotor.
Compared with the prior art, the utility model has the following beneficial technical effects:
According to the embodiment, the tool is hoisted; the left travelling crane and the right travelling crane on the travelling crane rail at the upper end of the support column are used for being matched with the manufactured hanging tool, so that the problem that the installation of the upper motor and the lower motor in the factory building cannot be constructed due to the limitation of the width of the factory building and the lifting height of the travelling crane is solved; the device and the using method are safe and reliable in construction process, short in time and high in efficiency, and meet construction requirements, and meanwhile, the device and the using method can be used repeatedly for motor maintenance in the future.
Drawings
FIG. 1 shows a schematic structure of a core-penetrating hoisting device in a limited space of a large motor;
FIG. 2 presents a schematic view of a rotor shoulder pole beam of the present utility model;
FIG. 3 presents a schematic view of a stator shoulder pole beam of the present utility model;
FIG. 4 presents a schematic view of the boom of the present utility model;
FIG. 5 is a schematic illustration of a shoulder pole beam assembly of the present utility model;
FIG. 6 shows a schematic diagram of the placement and basic arrangement of the motor of the present utility model;
FIG. 7 is a schematic illustration of the placement and support of a motor stator according to the present utility model;
FIG. 8 is a schematic diagram of a first process of the motor rotor core penetration of the present utility model;
FIG. 9 is a schematic diagram of a second process of the motor rotor core penetration of the present utility model;
FIG. 10 is a schematic diagram of a third process of the motor rotor core penetration of the present utility model;
FIG. 11 is a schematic view of a motor rotor and stator according to the present utility model;
FIG. 12 is a schematic view of the motor stator and rotor of the present utility model in place;
FIG. 13 is a schematic view of the motor stator and rotor lifting according to the present utility model;
Fig. 14 shows a schematic view of the motor stator and rotor of the present utility model in place.
Reference numerals:
1. Rotor shoulder pole beams; 1.1, a box girder; 1.2, a first lifting lug; 1.3, a quick connecting plate;
2. Stator shoulder pole beams; 2.1, arch beams; 2.2, a second lifting lug; 2.3, supporting rods; 2.4, diagonal bracing; 2.5, bolt holes;
3. A fixing bolt; 4. a boom; 5. a motor foundation is arranged; 6. a motor foundation is arranged; 7. a motor base; 8. a motor bearing seat; 9. a motor stator; 10. a motor rotor; 11. a dummy shaft; 12. left travelling crane; 13. right travelling crane; 14. a cushion block; 15. a lifting device; 16. a track; 17. a rotor bearing seat; 18. a first support running mechanism; 19. the second support walking mechanism; 20. fixing the sleeve; 21. hoisting a steel wire rope; 22. a travelling rail; 23. a support column; 24. and (5) chain pouring.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Examples
As shown in fig. 1 to 14, the utility model provides a core-penetrating hoisting device in a limited space of a large motor, which comprises a motor stator 9 and a motor rotor 10, and further comprises: the rotor carrying pole beam 1 is used for hoisting, the bottom of the rotor carrying pole beam 1 is connected with the stator carrying pole beam 2 through a plurality of fixing bolts 3, and hanging rods 4 are arranged on two sides of the stator carrying pole beam 2; a lower motor base 5 and an upper motor base 6 for supporting the motor, wherein the upper surfaces of the lower motor base 5 and the upper motor base 6 are respectively provided with a motor base 7 and a motor bearing seat 8 for supporting; the left traveling crane 12 and the right traveling crane 13 are used for hanging, the left traveling crane 12 and the right traveling crane 13 are common traveling cranes, the left traveling crane 12 and the right traveling crane 13 are arranged on the traveling crane track 22, the left traveling crane 12 and the right traveling crane 13 can move and simultaneously guide conveniently, and the bottom of the traveling crane track 22 is fixedly provided with a supporting column 23 for supporting.
As shown in fig. 2, the rotor shoulder pole beam 1 comprises a plurality of box beams 1.1, the box beams 1.1 are made of steel plates and welded into a 'mouth' -shaped structure, the box beams 1.1 are fixedly connected through welding, first lifting lugs 1.2 are fixedly arranged on two sides of the box beams 1.1, the first lifting lugs 1.2 are made of thick-skin steel pipes, the end portions are blocked by the steel plates, two quick connecting plates 1.3 are fixedly arranged at the bottom of the box beams 1.1, the quick connecting plates 1.3 are made of rear steel plates, and a plurality of bolt connection through holes are formed in the surfaces.
As shown in fig. 3, the stator shoulder pole beam 2 includes an arch beam 2.1, and is made of thick steel plates to form an 'n' -shaped structure, and is connected with the supporting rods 2.3 and the inclined struts 2.4 through welding to form an integral structure, two sides of the arch beam 2.1 are fixedly provided with second lifting lugs 2.2, a plurality of supporting rods 2.3 are fixedly arranged between the arch beams 2.1, and are made of steel pipes, so that structural stability is improved, a plurality of groups of inclined struts 2.4 are fixedly arranged between the arch beams 2.1, and the inclined struts 2.4 are made of steel pipes or other section steel, and are welded in a crisscross manner, so that the supporting and fixing effects are achieved, stability is improved, bolt holes 2.5 corresponding to the quick connecting plates 1.3 are formed in the arch beam 2.1 and are used for penetrating into the fixing bolts 3 to fix the arch beam.
As shown in fig. 7, 8, 9 and 10, rails 16 are arranged on two sides of the motor stator 9, lifting devices 15 for lifting are arranged at the bottoms of the motor stator 9, the lifting devices 15 are common jacks, the operation is convenient and fast, the use is simple, and cushion blocks 14 are fixedly arranged at the bottoms of the lifting devices 15.
As shown in fig. 8, one end of the motor rotor 10 is provided with a dummy shaft 11, and both ends of the motor rotor 10 are provided with hoisting steel wire ropes 21 for hoisting, so that the motor rotor 10 is hoisted for core penetration, and the core penetration efficiency is improved.
As shown in fig. 9 and 10, one end of the motor rotor 10 is sleeved with a rotor bearing seat 17, the bottom of the rotor bearing seat 17 is provided with a first supporting and traveling mechanism 18, the first supporting and traveling mechanism 18 is a common roller support frame, the use and the movement are convenient, the core penetrating efficiency is improved, a fixed sleeve 20 is sleeved on the dummy shaft 11, the bottom of the fixed sleeve 20 is provided with a second supporting and traveling mechanism 19, and the second supporting and traveling mechanism 19 has the same structure as the first supporting and traveling mechanism 18, is convenient to use, and is matched with the rotor bearing seat 17.
As shown in fig. 11 and 13, a chain block 24 is arranged between the first lifting lug 1.2 and the motor rotor 10, so that gaps between the periphery of the motor stator 9 and the periphery of the motor rotor 10 are conveniently adjusted to be the same, and extrusion collision is avoided.
The working principle of the embodiment is as follows: firstly, assembling a hoisting device, as shown in fig. 1-5, splicing a quick connecting plate 1.3 on a rotor shoulder pole beam 1 with a bolt hole 2.5 on a stator shoulder pole beam 2, as shown in fig. 6, and fixing through a fixing bolt 3 to form a cross type combined frame shoulder pole beam structure, hoisting a motor stator 9 to a mounting position far away from a motor base 7 through a left crane 12 or a right crane 13, so that the distance between the motor stator and a factory building column is larger than the length dimension of the motor rotor 10 after a dummy shaft 11 is mounted.
As shown in fig. 7, two groups of rails 16 are placed on the front and rear sides of the motor stator 9, so that the longitudinal center lines of the two groups of rails 16 vertically coincide with the longitudinal center line of the motor stator 9; the motor rotor 10 is convenient to use in a core penetrating mode, meanwhile, according to the design height, the motor stator 9 is lifted to a certain height through the cushion block 14 and the lifting device 15, as shown in fig. 8, the motor rotor 10 is temporarily supported, the dummy shaft 11 is fixed to one end of the motor rotor 10 through a connecting bolt, meanwhile, the rotor bearing seat 17 is mounted on the other end of the motor rotor 10, the motor rotor 10 is lifted through the hoisting steel wire rope 21, one side of the motor stator 9 penetrates into the motor stator 9, the dummy shaft 11 is exposed to the other side of the motor stator 9, then, as shown in fig. 9, the first supporting and traveling mechanism 18 is mounted on the lower portion of the rotor bearing seat 17, the second supporting and traveling mechanism 19 is mounted on the outer side of the dummy shaft 11, and the first supporting and traveling mechanism 18 and the second supporting and traveling mechanism 19 are placed on the upper portion of the track 16 paved in advance, so that the motor rotor 10 is supported.
As shown in fig. 10, by adjusting the height of the elevating device 15, the longitudinal center line of the motor rotor 10 coincides with the longitudinal center line of the motor stator 9; the gaps around the outer side of the motor rotor 10 and the gaps around the inner side of the motor stator 9 are identical, so that the motor rotor 10 is prevented from being scratched and rubbed with the inner side of the motor stator 9 in the core penetrating process, the motor rotor 10 is pushed slowly, the first supporting travelling mechanism 18 and the second supporting travelling mechanism 19 are enabled to move slowly on the track 16, the motor rotor 10 is penetrated into the inner side of the motor stator 9 slowly, and the core penetrating process of the motor rotor is completed.
As shown in fig. 11, steel wire ropes are hung on a dummy shaft 11 and a left travelling crane 12, a cross-shaped frame carrying beam structure formed by a stator carrying beam 2 and a rotor carrying beam 1 is lifted, lifting steel wire ropes and a chain block 24 are hung on first lifting lugs 1.2 on two sides of the rotor carrying beam 1, and a motor rotor 10 is lifted by the aid of the lifting steel wire ropes and the chain block 24; simultaneously, four hanging rods 4 for hanging the motor stator 9 are hung on the second lifting lugs 2.2 on the two sides of the stator shoulder pole beam 2, the motor stator 9 is hung by the hanging rods 4, when the motor stator 9 and the motor rotor 10 are synchronously hung, gaps between the periphery of the motor stator 9 and the periphery of the motor rotor 10 are properly adjusted by using the chain blocks 24, so that the gaps are identical, and extrusion collision is avoided; the first supporting running gear 18 and the dummy axle 11 are then removed.
As shown in fig. 12, the left crane 12 and the right crane 13 hoist the motor stator 9 and the motor rotor 10 synchronously, after the bottom of the motor stator 9 is lifted higher than the lower motor foundation 5, the left crane 12 and the right crane 13 are moved simultaneously, the motor stator 9 is positioned on the motor base 7 of the lower motor foundation 5, the motor rotor 10 is positioned on the motor bearing seat 8, the hoisting steel wire rope and the boom 4 are removed, and the hoisting installation work of the lower motor is completed.
As shown in fig. 13 and 14, the above steps are repeated to synchronously hoist the motor stator 9 and the motor rotor 10, after the bottom surface of the motor stator 9 is higher than the surface of the upper motor base 6; and simultaneously, the left travelling crane 12 and the right travelling crane 13 are moved, the motor stator 9 is positioned on the motor base 7 at the upper end of the upper motor foundation 6, the motor rotor 10 is positioned on the motor bearing seat 8, and the hoisting wire rope and the suspender 4 are removed to finish the hoisting and installation work of the upper motor.
The above-described embodiments are merely a few alternative embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (7)
1. The utility model provides a wear core hoist device in large-scale motor confined space, includes motor stator (9) and motor rotor (10), its characterized in that still includes:
The lifting device comprises a rotor carrying pole beam (1) for lifting, wherein the bottom of the rotor carrying pole beam (1) is connected with a stator carrying pole beam (2) through a fixing bolt (3), and hanging rods (4) are arranged on two sides of the stator carrying pole beam (2);
The motor comprises a lower motor base (5) and an upper motor base (6) for supporting a motor, wherein motor bases (7) and motor bearing seats (8) for supporting are arranged on the upper surfaces of the lower motor base (5) and the upper motor base (6);
Left driving (12) and right driving (13) for hanging, left driving (12) and right driving (13) all set up on driving track (22), the bottom of driving track (22) is fixed to be provided with support column (23) and supports.
2. The large-scale motor confined space inner core penetrating hoisting device according to claim 1, wherein: the rotor shoulder pole beam (1) comprises a box beam (1.1), a plurality of first lifting lugs (1.2) are fixedly arranged on two sides of the box beam (1.1), and two quick connecting plates (1.3) are fixedly arranged at the bottom of the box beam (1.1).
3. The large-scale motor confined space inner core penetrating hoisting device according to claim 2, wherein: stator shoulder pole roof beam (2) are including hunch-shaped roof beam (2.1), the both sides of hunch-shaped roof beam (2.1) are all fixed to be provided with a plurality of second lug (2.2), fixedly between hunch-shaped roof beam (2.1) be provided with many spinal branch vaulting poles (2.3), fixedly between hunch-shaped roof beam (2.1) be provided with multiunit bracing (2.4), bolt hole (2.5) corresponding with quick connecting plate (1.3) have been seted up on hunch-shaped roof beam (2.1).
4. The large-scale motor confined space inner core penetrating hoisting device according to claim 1, wherein: the two sides of the motor stator (9) are provided with rails (16), the bottom of the motor stator (9) is provided with a lifting device (15) for lifting, and the bottom of the lifting device (15) is fixedly provided with a cushion block (14).
5. The large-scale motor confined space inner core penetrating hoisting device according to claim 1, wherein: one end of the motor rotor (10) is provided with a dummy shaft (11), and both ends of the motor rotor (10) are provided with hoisting steel wire ropes (21) for hoisting.
6. The large-scale motor confined space inner core penetrating hoisting device according to claim 5, wherein: one end of the motor rotor (10) is sleeved with a rotor bearing seat (17), a first supporting and traveling mechanism (18) is arranged at the bottom of the rotor bearing seat (17), a fixed sleeve (20) is sleeved on the dummy shaft (11), and a second supporting and traveling mechanism (19) is arranged at the bottom of the fixed sleeve (20).
7. The large-scale motor confined space inner core penetrating hoisting device according to claim 2, wherein: a chain block (24) is arranged between the first lifting lug (1.2) and the motor rotor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322430440.8U CN220950793U (en) | 2023-09-07 | 2023-09-07 | Core-penetrating lifting device in limited space of large motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322430440.8U CN220950793U (en) | 2023-09-07 | 2023-09-07 | Core-penetrating lifting device in limited space of large motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220950793U true CN220950793U (en) | 2024-05-14 |
Family
ID=91009664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322430440.8U Active CN220950793U (en) | 2023-09-07 | 2023-09-07 | Core-penetrating lifting device in limited space of large motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220950793U (en) |
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2023
- 2023-09-07 CN CN202322430440.8U patent/CN220950793U/en active Active
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