CN201130094Y - Wind electric bearing durability testing stand apparatus - Google Patents
Wind electric bearing durability testing stand apparatus Download PDFInfo
- Publication number
- CN201130094Y CN201130094Y CNU2007201987355U CN200720198735U CN201130094Y CN 201130094 Y CN201130094 Y CN 201130094Y CN U2007201987355 U CNU2007201987355 U CN U2007201987355U CN 200720198735 U CN200720198735 U CN 200720198735U CN 201130094 Y CN201130094 Y CN 201130094Y
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- Prior art keywords
- bearing
- test
- force
- connecting rod
- generating
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- Expired - Lifetime
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000012806 monitoring device Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 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
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a test apparatus of a large-scale bearing, which particularly relates to a service span test bed device of a big-sized wind-electricity device. The bearing service span test bed device comprises a base, a first bearing, a second bearing, a mechanical apparatus which produce downward pull force, an apparatus which produce torque force, an apparatus which produce rotary force, a chassis which is used to put a test bearing, a first bearing which is axially connected with a connecting bar, one end of the connecting bar is connected with the first bearing, and the first bearing is connected with the apparatus which produce torque force, a second bearing which is connected with the lower portion of the connecting bar, and the connecting bar passes through the second bearing, one end of the connecting bar is connected with the mechanical apparatus which produce downward axial pull force, the second bearing is connected with the inner ring of the test bearing, acting force which is got is delivered to the test bearing, and the apparatus which produce rotary force is connected with the periphery of the outer ring of the test bearing. With the technical proposal, the problem of testing large-scale bearing is totally solved.
Description
Technical Field
The utility model relates to a test equipment of large-scale bearing, in particular to life-span test bench device of large-scale wind-powered electricity generation bearing.
Background
The wind power bearing is a bearing used on a wind generating set. Therefore, the wind power bearing is a bearing which works under the condition of severe working conditions. Yaw and pitch bearings are subject to large overturning moments, gearbox bearings are subject to large impact loads during start-up and braking, etc. Meanwhile, 20 years of maintenance-free is required, and if the bearing is damaged in the 20-year quality guarantee period, the claim cost is high. Therefore, it is very important to test the service life of the wind power bearing. However, the design, manufacture and test technology of the wind power bearing in the current bearing industry is far from sufficient, and no wind power bearing simulation test equipment exists in all manufacturers until now.
Disclosure of Invention
An object of the utility model is to solve the life-span test problem of above-mentioned large-scale bearing, provide a can carry out the test bench device of life-span test under the condition of the true work of emulation bearing.
Realize the utility model discloses purpose technical scheme is: a wind power bearing life test bed device is characterized by comprising a base, a first bearing, a second bearing, mechanical equipment for generating downward pulling force, equipment for generating torsion and equipment for generating rotating force, wherein,
the base is used for placing a test bearing;
the first bearing is axially connected with a connecting rod, one end of the connecting rod is connected with the first bearing, and the first bearing is connected with the equipment for generating torsion;
the second bearing is connected with the middle lower part of the connecting rod, the connecting rod penetrates through the second bearing, the other end of the connecting rod is connected with the mechanical equipment generating downward axial tension, and the second bearing is connected with the inner ring of the test bearing and transmits the acting force to the test bearing;
the apparatus for generating rotational force is connected to the circumferential surface of the outer ring of the test bearing.
Furthermore, the connecting rod is also connected with a sensor, and the sensor can collect data information and transmit the data information to display and monitoring equipment.
Further, the apparatus for generating rotational force is connected with a test bearing having a gear through the gear.
Optionally, the upper end of the test bearing is fixed with a pressure plate through a bolt.
Due to the adoption of the technical scheme, the problem of testing the large-scale bearing at present is completely solved.
Drawings
Fig. 1 is the structure schematic diagram of the utility model discloses wind power bearing life test stand device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a wind power bearing life test bed device comprises a base 1, a first bearing 2, a second bearing 3, a mechanical device 4 for generating downward pulling force, a device 5 for generating torsion force and a device 6 for generating rotation force,
wherein,
the base 1 is used for placing a test bearing 10;
the first bearing 2 axially connected to a link 8, one end of the link 8 being connected to the first bearing 2, the first bearing 2 being connected to the torque generating device 5;
the second bearing 3 is connected with the middle lower part of the connecting rod 8, the connecting rod 8 penetrates through the second bearing 3, the other end of the connecting rod 8 is connected with the mechanical device 4 generating downward axial tension, the second bearing 3 is connected with the inner ring 101 of the test bearing 10, and the applied force is transmitted to the test bearing 10;
the device 6 for generating rotational force is connected to the circumferential surface of the outer ring 102 of the test bearing 10.
Furthermore, the above-mentioned connecting rod 8 is also connected with sensors 12 and 12', which can collect data information and transmit the data information to a display and monitoring device.
Further, the above-mentioned apparatus 6 for generating rotational force is connected with a test bearing 10 having a gear through a gear 11.
Alternatively, the upper end of the test bearing 10 is fixed to a pressure plate 7 by bolts 9.
The wind power bearing service life test bed device can test bearings with the diameters of 1.5-3M. The working principle is as follows: the power equipment is started, the gear drives the test bearing 10 to rotate, the axial direction of the second bearing 3 is connected with mechanical equipment and a sensor which can generate large pulling force in a connecting rod mode, large axial force is applied to the bearing, and stepless force variation can be realized. Furthermore, bearing torque is applied as shown, and is also connected by the connecting rod and the sensor, so that considerable torque is applied to the first bearing and the second bearing and is transmitted to the test bearing 10 to be borne. Meanwhile, along with the change of time, the sensor can acquire data information and transmit the data information to equipment with storage and display functions for display, the equipment can also monitor the running condition of the testing machine, can control the magnitude of applied force and the rotating speed of all bearings, and can implement stepless speed change.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (4)
1. A wind power bearing life test bed device is characterized by comprising a base, a first bearing, a second bearing, mechanical equipment for generating downward pulling force, equipment for generating torsion and equipment for generating rotating force, wherein,
the base is used for placing a test bearing;
the first bearing is axially connected with a connecting rod, one end of the connecting rod is connected with the first bearing, and the first bearing is connected with the equipment for generating torsion;
the second bearing is connected with the middle lower part of the connecting rod, the connecting rod penetrates through the second bearing, the other end of the connecting rod is connected with the mechanical equipment generating downward axial tension, and the second bearing is connected with the inner ring of the test bearing and transmits the acting force to the test bearing;
the apparatus for generating rotational force is connected to the circumferential surface of the outer ring of the test bearing.
2. The wind power bearing life test bed device of claim 1, wherein the connecting rod is further connected with a sensor, and the sensor can collect data information and transmit the data information to a display and monitoring device.
3. The wind power bearing life test bed apparatus of claim 1, wherein said device for generating rotational force is connected to a geared test bearing through a gear.
4. The wind power bearing life test bed device of claim 1, wherein the upper end of the test bearing is fixed with a pressure plate through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201987355U CN201130094Y (en) | 2007-11-30 | 2007-11-30 | Wind electric bearing durability testing stand apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201987355U CN201130094Y (en) | 2007-11-30 | 2007-11-30 | Wind electric bearing durability testing stand apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130094Y true CN201130094Y (en) | 2008-10-08 |
Family
ID=40017954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201987355U Expired - Lifetime CN201130094Y (en) | 2007-11-30 | 2007-11-30 | Wind electric bearing durability testing stand apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201130094Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451912B (en) * | 2007-11-30 | 2011-02-16 | 上海联合滚动轴承有限公司 | Bearing life-test rack |
| CN103018045A (en) * | 2012-11-23 | 2013-04-03 | 宁波新大地轴承有限公司 | Device for testing service life of bearing |
| CN104374572A (en) * | 2014-10-16 | 2015-02-25 | 杭州轴承试验研究中心有限公司 | Large-scale forklift portal idler wheel bearing unit service life test system and method |
-
2007
- 2007-11-30 CN CNU2007201987355U patent/CN201130094Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451912B (en) * | 2007-11-30 | 2011-02-16 | 上海联合滚动轴承有限公司 | Bearing life-test rack |
| CN103018045A (en) * | 2012-11-23 | 2013-04-03 | 宁波新大地轴承有限公司 | Device for testing service life of bearing |
| CN103018045B (en) * | 2012-11-23 | 2015-08-12 | 宁波新大地轴承有限公司 | A kind of proving installation of bearing life |
| CN104374572A (en) * | 2014-10-16 | 2015-02-25 | 杭州轴承试验研究中心有限公司 | Large-scale forklift portal idler wheel bearing unit service life test system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Dongfu Cold-forging Manufacture Co., Ltd. Assignor: Shanghai United Bearing Co., Ltd. Contract fulfillment period: 2008.10.16 to 2013.10.15 Contract record no.: 2008310000288 Denomination of utility model: Wind electric bearing durability testing stand apparatus Granted publication date: 20081008 License type: Exclusive license Record date: 20081212 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.16 TO 2013.10.15; CHANGE OF CONTRACT Name of requester: SHANGHAI DONGFU COLD CASTING MANUFACTURING CO., LT Effective date: 20081212 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20081008 Effective date of abandoning: 20071130 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20081008 Effective date of abandoning: 20071130 |