CN203392693U - Gearless traction machine with cantilever supporting plates - Google Patents
Gearless traction machine with cantilever supporting plates Download PDFInfo
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- CN203392693U CN203392693U CN201320455028.5U CN201320455028U CN203392693U CN 203392693 U CN203392693 U CN 203392693U CN 201320455028 U CN201320455028 U CN 201320455028U CN 203392693 U CN203392693 U CN 203392693U
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- cantilever
- rotating shaft
- bearing
- end cover
- gearless
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- 238000004804 winding Methods 0.000 claims abstract description 9
- 241000239290 Araneae Species 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a gearless traction machine with cantilever supporting plates. The gearless traction machine comprises a rotary shaft, a supporting bearing, a supporting shaft sleeve, the cantilever supporting plates, a traction wheel, a stator casing, a stator core with a winding, a rotor support, a permanent magnet, a front end cover and a rear end cover, wherein the cantilever supporting plates are arranged on two sides of the traction wheel, the front ends of the cantilever supporting plates are connected with the supporting shaft sleeve, the traction wheel is installed on the rotary shaft, and the rotary shaft is connected with the front end cover of the gearless traction machine through the supporting bearing. The gearless traction machine has the advantages that a cantilever supporting structure is adopted, load of the rotary shaft and the bearing at the position of the traction wheel is greatly reduced, the material cost of the rotary shaft and the bearing can be reduced, and the service life can be prolonged. The cantilever supporting plates can be processed after being connected with the front end cover, the position accuracy of the supporting bearing is ensured, and installation is facilitated.
Description
Technical field
The utility model relates to motor technology field, particularly the gearless machine with cantilever support for a kind of elevator.
Background technology
Fast development and the lasting propelling of Development of China's Urbanization along with China's economy, driven the great development of construction trade, skyscraper scale is increasing, demand to elevator improves constantly, during " 12 ", 3,600 ten thousand cover guarantee house construction are by the demand promoting elevator, and simultaneously a large amount of public infrastructure developments, reducing energy consumption are changed and outlet all will promote the output of China's elevator.National elevator in 2004 is sold and is reached 110,000, account for 1/3rd of whole world elevator sales volume, China in Recent Years elevator market is to be often close on 30% speed increment, and average thousand people in the whole world just have an elevator, China, apart from this standard, also will increase by 80～1,000,000 elevators.
The gearless machine that high speed heavy－duty elevator is used at present, its complete machine structure mode mainly contains two kinds, a kind of is traction sheave cantilever design, be that traction sheave is positioned over towing machine shaft extension place, this makes the place's rotating shaft of towing machine shaft extension and bearing bear very large load, choosing of the design of rotating shaft and bearing all needs special consideration, improved the material cost of motor body, also affected to a great extent the life-span of towing machine; Another kind is in traction sheave supported on both sides, the stressing conditions of the rotating shaft of traction sheave place and bearing is significantly reduced, but two strut members need separate machined, by designing base for supporting as reference for installation, requirement on machining accuracy to two strut members is higher, to final assembly, has brought certain difficulty.And in existing technology, the patent No.: CN201020001990.8, name is called " a kind of towing machine with support ", adopt traction sheave and motor body to insert between two supports simultaneously, two bearings span is increased, in order to guarantee that towing machine reliability service has high requirements with regard to countershaft rigidity, and complex structure, indirectly increased the manufacturing cost of towing machine.
Summary of the invention
In order to solve the problem of above-mentioned existence, the purpose of this utility model is to provide a kind of gearless machine with cantilever support, it is by changing the supporting way of traction sheave, the load of the rotating shaft of traction sheave place and bearing is significantly reduced, can reduce rotating shaft and bearing material cost, increase the service life, guaranteed the positional precision of backup bearing simultaneously, convenient installation.
Above-mentioned purpose of the present utility model, is achieved through the following technical solutions:
A kind of gearless machine with cantilever support, comprise rotating shaft, backup bearing, support sleeve, cantilever branch fagging, traction sheave, stator cage, the stator core with winding, rotor field spider, permanent magnet, front end cover and rear side housing, described cantilever branch fagging is arranged on traction sheave both sides, cantilever support front edge of board connects support sleeve, described traction sheave is arranged in rotating shaft, and rotating shaft connects with gearless machine front end cover by backup bearing.
Described support sleeve is provided with backup bearing.
Described cantilever branch fagging relevant position adds ward off rope device.
Described rotating shaft has the sponson that exceeds front end cover.
The sponson of described rotating shaft is equipped with the rotor field spider of placing permanent magnet.
The stator core with winding is laid in described stator cage inner side.
Described stator core is sealed by rear side housing.
Described rear side housing is provided with place's bearing arrangement.
The utility model has the advantages that the structure of employing cantilever support greatly reduces the load of the rotating shaft of traction sheave place and bearing, can reduce rotating shaft and bearing material cost, increase the service life; Cantilever branch fagging is processed after can connecting with front end cover again, has guaranteed the positional precision of backup bearing, convenient installation.
Accompanying drawing explanation
Fig. 1 is integral structure birds-eye view of the present utility model;
In figure: 1, rotating shaft, 2, backup bearing, 3, support sleeve, 4, cantilever branch fagging, 5, traction sheave, 6, front end cover, 7, backup bearing, 8, with the stator core of winding, 9, stator cage, 10, permanent magnet, 11, rotor field spider, 12, rear side housing.
The specific embodiment
Below in conjunction with embodiment and experimental example, describe the technical solution of the utility model in detail, preferred embodiment described herein is only for description and interpretation the utility model, but protection domain is not limited to this.
embodiment:a kind of gearless machine with cantilever support, as shown in Figure 1, comprise rotating shaft 1, backup bearing 2, backup bearing 7, support sleeve 3, cantilever branch fagging 4, traction sheave 5, stator cage 9, the stator core 8 with winding, rotor field spider 11, permanent magnet 10, front end cover 6 and rear side housing 12, described cantilever branch fagging 4 is arranged on traction sheave 5 both sides, cantilever branch fagging 4 front ends connect support sleeve 3, described traction sheave 5 is arranged in rotating shaft 1, and rotating shaft 1 connects with gearless machine front end cover 6 by backup bearing 7.Described support sleeve 3 is provided with backup bearing 2.Described cantilever branch fagging 4 relevant positions add ward off rope device.Described rotating shaft 1 has the sponson that exceeds front end cover 6.The sponson of described rotating shaft 1 is equipped with the rotor field spider 11 of placing permanent magnet 10.The stator core 8 with winding is laid in described stator cage 9 inner sides.Described stator core 8 is sealed by rear side housing 12.Described rear side housing 12 is provided with place's bearing arrangement.
Principle of work of the present utility model is: drive frequency converter to supply electric forming rotating field to stator winding, driving is equipped with the rotor field spider 11 of permanent magnet 10 to drive rotating shaft 1 rotation, another assembly parts traction sheave 5 in rotating shaft 1 is rotation thereupon also, carries out lifting or the descending motion of car by the friction force of steel rope and grooving.When rotating shaft 1 rotation, the coder of installing with one heart rotates thereupon, and speed and rotor magnetic field relative position are fed back to frequency converter, to carry out the velocity location of towing machine, controls.The utility model adopts the structure of cantilever support to greatly reduce the load of traction sheave 5 places rotating shaft and bearing, can reduce rotating shaft 1 and bearing material cost, increases the service life; Cantilever branch fagging 4 is processed after can connecting with front end cover 6 again, has guaranteed the positional precision of backup bearing, convenient installation.
The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the technical program spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed present technique scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. the gearless machine with cantilever support, it is characterized in that, comprise rotating shaft, backup bearing, support sleeve, cantilever branch fagging, traction sheave, stator cage, the stator core with winding, rotor field spider, permanent magnet, front end cover and rear side housing, described cantilever branch fagging is arranged on traction sheave both sides, cantilever support front edge of board connects support sleeve, described traction sheave is arranged in rotating shaft, and rotating shaft connects with gearless machine front end cover by backup bearing.
2. gearless machine according to claim 1, is characterized in that, described support sleeve is provided with backup bearing.
3. gearless machine according to claim 1, is characterized in that, described cantilever branch fagging relevant position adds ward off rope device.
4. gearless machine according to claim 1, is characterized in that, described rotating shaft has the sponson that exceeds front end cover.
5. gearless machine according to claim 4, is characterized in that, the sponson of described rotating shaft is equipped with the rotor field spider of placing permanent magnet.
6. the gearless machine with cantilever support according to claim 1, is characterized in that, the stator core with winding is laid in described stator cage inner side.
7. the gearless machine with cantilever support according to claim 1, is characterized in that, described stator core is sealed by rear side housing.
8. the gearless machine with cantilever support according to claim 1, is characterized in that, described rear side housing is provided with place's bearing arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455028.5U CN203392693U (en) | 2013-07-29 | 2013-07-29 | Gearless traction machine with cantilever supporting plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455028.5U CN203392693U (en) | 2013-07-29 | 2013-07-29 | Gearless traction machine with cantilever supporting plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203392693U true CN203392693U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320455028.5U Expired - Fee Related CN203392693U (en) | 2013-07-29 | 2013-07-29 | Gearless traction machine with cantilever supporting plates |
Country Status (1)
| Country | Link |
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| CN (1) | CN203392693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395674A (en) * | 2013-07-29 | 2013-11-20 | 山东奔速电梯有限公司 | Gearless tractor with cantilever support |
| CN110474467A (en) * | 2018-05-12 | 2019-11-19 | 泰安阳光动力电机有限公司 | A kind of motor of built-in sprocket wheel |
-
2013
- 2013-07-29 CN CN201320455028.5U patent/CN203392693U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395674A (en) * | 2013-07-29 | 2013-11-20 | 山东奔速电梯有限公司 | Gearless tractor with cantilever support |
| CN110474467A (en) * | 2018-05-12 | 2019-11-19 | 泰安阳光动力电机有限公司 | A kind of motor of built-in sprocket wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 271100, Shandong, Laiwu City Industrial Zone, north of the River Road, west of Levin Avenue Patentee after: SHANDONG BUNSE ELEVATOR Co.,Ltd. Address before: 271100, Shandong, Laiwu Industrial Zone, north of the River Road, west of Levin Avenue Patentee before: SHANDONG BUNSE ELEVATOR Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |