CN101451912A - Bearing life-test rack - Google Patents
Bearing life-test rack Download PDFInfo
- Publication number
- CN101451912A CN101451912A CNA2007101714988A CN200710171498A CN101451912A CN 101451912 A CN101451912 A CN 101451912A CN A2007101714988 A CNA2007101714988 A CN A2007101714988A CN 200710171498 A CN200710171498 A CN 200710171498A CN 101451912 A CN101451912 A CN 101451912A
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- bearing
- test
- equipment
- connecting rod
- life
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Abstract
The invention relates to a test device for a large-scale bearing, in particular to a life test stand for a large-scale wind powered bearing. The bearing life test stand comprises a base, a first bearing, a second bearing, a mechanical device for generating downward pull, a device for generating torsion and a device for generating rotary force, wherein the base is used for placing a test bearing, the first bearing is axially connected with a connecting rod, and one end of the connecting rod is connected with the first bearing which is connected with the device for generating torsion; the second bearing is connected with the middle lower part of the connecting rod, the connecting rod passes through the second bearing, the other end of the connecting rod is connected with the mechanical device for generating downward axial pull, and the second bearing is connected with an inner ring of a test bearing and transfers stressed action to the test bearing; and the device for generating rotary force is connected with the circumference of an outer ring of the test bearing. Because the technical proposal is adopted, the test device fully solves the problem of test of the large-scale bearing.
Description
Technical field
The present invention relates to the testing apparatus of large size bearing, particularly a kind of life test rack of large-scale wind electricity bearing.
Background technology
Wind power bearing is the bearing that is used on the wind power generating set.Therefore wind power bearing is the bearing of working under the bad working environments condition.Driftage and pitch variable bearings will bear very big upsetting moment, and the wheel box bearing will bear very big shock load when starting and brake, or the like.Simultaneously, require 20 years freedom from repairs, as 20 year quality guarantee period inner bearing damage, claim expense is very high.Therefore, the life-span of test wind power bearing seems particularly important.But present bearing industry also is nowhere near to design, manufacturing and the experimental technique of wind power bearing, and each producer does not all also have the equipment of wind power bearing simulation test up to now.
Summary of the invention
The objective of the invention is to solve the life test problem of above-mentioned large size bearing, a kind of testing table that can carry out life test under the situation of imitation bearing real work is provided.
Realize that the object of the invention technical scheme is: a kind of bearing life-test rack, it is characterized in that, comprise the equipment of base, clutch shaft bearing, second bearing, the plant equipment that produces downward pulling force, generation torsion and the equipment that produces revolving force, wherein,
Described base is in order to place test bearing;
Described clutch shaft bearing, it axially connects connecting rod, and an end of this connecting rod connects described clutch shaft bearing, and this clutch shaft bearing is connected with the equipment of described generation torsion;
Described second bearing, be connected with the middle and lower part of described connecting rod, this connecting rod passes described second bearing, and the plant equipment of the axial tension that the other end of described connecting rod and described generation are downward is connected, described second bearing is connected with the inner ring of test bearing, gives test bearing with the force transmission that is subjected to;
The equipment of described generation revolving force is connected with the side face of the outer ring of test bearing.
Further, described connecting rod also is connected with sensor, but this sensor image data information transmission is given demonstration and watch-dog.
Further, the equipment of described generation revolving force is connected by the test bearing of gear with the tool gear.
Alternatively, the upper end of described test bearing is fixed by a bolt and a pressing plate.
The practicable stepless variable force of the plant equipment of the pulling force that above-mentioned generation is downward.
The torsion that the equipment of above-mentioned generation torsion produces can change arbitrarily.
But the revolving force step-less adjustment that the equipment of above-mentioned generation revolving force produces.
Owing to adopted above-mentioned technical solution, solved the problem of at present large size bearing being tested fully.
Description of drawings
Fig. 1 is the structural representation of bearing life-test rack of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and embodiments:
With reference to figure 1, a kind of bearing life-test rack comprises the equipment 5 of base 1, clutch shaft bearing 2, second bearing 3, the plant equipment 4 that produces downward pulling force, generation torsion and the equipment 6 that produces revolving force,
Wherein,
Above-mentioned base 1 is in order to place test bearing 10;
Above-mentioned clutch shaft bearing 2, it axially connects connecting rod 8, and an end of this connecting rod 8 connects above-mentioned clutch shaft bearing 2, and this clutch shaft bearing 2 is connected with the equipment 5 of above-mentioned generation torsion;
Above-mentioned second bearing 3, be connected with the middle and lower part of above-mentioned connecting rod 8, this connecting rod 8 passes above-mentioned second bearing 3, the plant equipment 4 of the axial tension that the other end of above-mentioned connecting rod 8 and above-mentioned generation are downward is connected, above-mentioned second bearing 3 is connected with the inner ring 101 of test bearing 10, gives test bearing 10 with the force transmission that is subjected to;
The equipment 6 of above-mentioned generation revolving force is connected with the side face of the outer ring 102 of test bearing 10.
Further, above-mentioned connecting rod 8 also is connected with 12 ' with sensor 12, but this sensor image data information transmission is given demonstration and watch-dog.
Further, the equipment 6 of above-mentioned generation revolving force is connected with the test bearing 10 of tool gear by gear 11.
Alternatively, the upper end of above-mentioned test bearing 10 is fixing by a bolt 9 and a pressing plate 7.
Further, the plant equipment 4 practicable stepless variable forcees of the downward pulling force of above-mentioned generation.
Further, the torsion of equipment 5 generations of above-mentioned generation torsion can change arbitrarily.
Further, but the revolving force step-less adjustment that the equipment 6 of above-mentioned generation revolving force produces.
Above-mentioned bearing life-test rack can be tested the bearing of 1.5M～3M diameter.Principle of work: start power-equipment, rotate by gear driven test bearing 10, the axial use connecting rod mode of second bearing 3 is connected with sensor with the plant equipment that can produce quite big pulling force, applies sizable axial force to bearing, and this power can be carried out stepless variable force.Moreover, impose bearing moment as figure, be connected with sensor by connecting rod equally, apply sizable torsion for the clutch shaft bearing and second bearing, pass to test bearing 10 and bear.Simultaneously, along with the variation of time, sensor can collect data message, transfer to have on the storage and the equipment of Presentation Function and show, the working order that equipment can also the monitoring test machine can be controlled the size of the power that applies, with the speed of gyration of all bearings, can carry out stepless change.
Above embodiment is only for the usefulness that the present invention is described, but not limitation of the present invention, person skilled in the relevant technique, under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (7)
1, a kind of bearing life-test rack is characterized in that, comprises the equipment of base, clutch shaft bearing, second bearing, the plant equipment that produces downward pulling force, generation torsion and the equipment that produces revolving force,
Wherein,
Described base is in order to place test bearing;
Described clutch shaft bearing, it axially connects connecting rod, and an end of this connecting rod connects described clutch shaft bearing, and this clutch shaft bearing is connected with the equipment of described generation torsion;
Described second bearing, be connected with the middle and lower part of described connecting rod, this connecting rod passes described second bearing, and the plant equipment of the axial tension that the other end of described connecting rod and described generation are downward is connected, described second bearing is connected with the inner ring of test bearing, gives test bearing with the force transmission that is subjected to;
The equipment of described generation revolving force is connected with the side face of the outer ring of test bearing.
2, bearing life-test rack as claimed in claim 1 is characterized in that, described connecting rod also is connected with sensor, but this sensor image data information transmission is given demonstration and watch-dog.
3, bearing life-test rack as claimed in claim 1 is characterized in that, the equipment of described generation revolving force is connected by the test bearing of gear with the tool gear.
4, bearing life-test rack as claimed in claim 1 is characterized in that, the upper end of described test bearing is fixed by a bolt and a pressing plate.
5, bearing life-test rack as claimed in claim 1 is characterized in that, the practicable stepless variable force of the plant equipment of the pulling force that described generation is downward.
6, bearing life-test rack as claimed in claim 1 is characterized in that, the torsion that the equipment of described generation torsion produces can change arbitrarily.
7, bearing life-test rack as claimed in claim 1 is characterized in that, but the revolving force step-less adjustment that the equipment of described generation revolving force produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101714988A CN101451912B (en) | 2007-11-30 | 2007-11-30 | Bearing life-test rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101714988A CN101451912B (en) | 2007-11-30 | 2007-11-30 | Bearing life-test rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101451912A true CN101451912A (en) | 2009-06-10 |
| CN101451912B CN101451912B (en) | 2011-02-16 |
Family
ID=40734279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101714988A Expired - Fee Related CN101451912B (en) | 2007-11-30 | 2007-11-30 | Bearing life-test rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101451912B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19713998A1 (en) * | 1996-09-17 | 1998-05-14 | Siemens Ag | Life span testing for wheel bearings esp. of vehicles |
| DE202005003157U1 (en) * | 2005-02-24 | 2005-05-19 | Landhäußer, Engelbert, Dipl.-Ing. Dipl.-Finanzwirt (FH) | Drive component test rig has rotating bearings and slip free connection units with hydraulic cylinder applying torque through lever to unit under test |
| CN200979526Y (en) * | 2005-07-11 | 2007-11-21 | 燕山大学 | A working state simulation rolling contact fatigue test device |
| CN2901291Y (en) * | 2006-04-29 | 2007-05-16 | 洛阳轴研科技股份有限公司 | External spherical bearing life test machine |
| CN201130094Y (en) * | 2007-11-30 | 2008-10-08 | 上海联合滚动轴承有限公司 | Wind electric bearing durability testing stand apparatus |
-
2007
- 2007-11-30 CN CN2007101714988A patent/CN101451912B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101451912B (en) | 2011-02-16 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20191130 |