CN202676562U - Bearing friction pair abrasion mechanism test device - Google Patents
Bearing friction pair abrasion mechanism test device Download PDFInfo
- Publication number
- CN202676562U CN202676562U CN 201220257822 CN201220257822U CN202676562U CN 202676562 U CN202676562 U CN 202676562U CN 201220257822 CN201220257822 CN 201220257822 CN 201220257822 U CN201220257822 U CN 201220257822U CN 202676562 U CN202676562 U CN 202676562U
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- Prior art keywords
- bearing
- hole
- abrasion mechanism
- bearing friction
- mechanism test
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000005299 abrasion Methods 0.000 title claims abstract description 19
- 208000035874 Excoriation Diseases 0.000 claims description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010985 leather Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 238000005498 polishing Methods 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a bearing friction pair abrasion mechanism test device, which comprises a motor, a force measurement instrument, an oscillometer and a bracket which are respectively arranged on a substrate, wherein a rotary shaft, a loading rod and a photosensor are respectively arranged on the bracket; the suspension end of the rotary shaft is connected with the output shaft of the motor via a leather belt; a through hole bearing is fixedly sleeved at the middle part of the rotary shaft; the two ends of the loading rod are respectively placed grooves on the two side walls of the bracket; the top end of a shaft is clamped in a shaft hole at the middle part of the loading rod and fixed via a bolt; and the bottom end of the shaft is hung below the loading rod and is contacted with the outer surface of the through hole bearing. Weights are added at the two ends of the loading rod; a boss is arranged above the shaft hole of the loading rod; the tail end of the needlepoint is fixedly clamped in the boss; and the top end of the needlepoint presses onto a pressure sensor. The bearing friction pair abrasion mechanism test device has a simple structure, is convenient to operate, and achieves a bearing friction pair abrasion mechanism test to a high-speed rotary machine.
Description
Technical field
The utility model belongs to the secondary abrasion research test unit of a kind of bearing friction, is specifically related to a kind of for the secondary abrasion mechanism test unit of bearing friction.
Background technology
The bearing friction pair is the parts that wearing and tearing easily occur, and will directly affect life of product.Abrasion mechanism to the bearing friction pair is studied, and can determine different factors to the impact of bearing wear performance, and then improves the wear resistance of friction pair.
Because the complexity of some product, can't directly carry out the Study on Wear Mechanism of bearing friction pair, need to study at special rubbing wear mechanism testing device, owing to being subjected to the restriction of bearing friction auxiliary structure size, on general abrading machine, also be difficult to realize the Study on Wear Mechanism of bearing friction pair simultaneously.At present still there is not a kind of test unit can carry out to the machine of some High Rotation Speed the report of the rubbing wear mechanism research of bearing friction pair.
Summary of the invention
The purpose of this utility model is to provide a kind of bearing friction secondary abrasion mechanism test unit, and this test unit can carry out different factors to the secondary abrasion mechanism impact of bearing friction research.
The technical solution of the utility model is: the secondary abrasion mechanism test unit of a kind of bearing friction, comprise pedestal, and be respectively arranged with motor, dynamometry instrument, oscillograph and support at pedestal, be respectively arranged with rotation axis, load lever and photoelectric sensor at support.
The end that suspends of rotation axis links to each other with the output shaft of motor by belt, the through hole bearing fixing sleeve is at the middle part of rotation axis, the two ends of load lever are placed on respectively in the groove of support two side, the top of axle is stuck in the axis hole at load lever middle part and is bolted, the bottom of axle is suspended at the load lever below and contacts with the outside surface of through hole bearing, counterweight is added at two ends in load lever, the top, axis hole position of load lever is provided with boss, the tail end fixed card of needle point is in this boss, and the top of needle point is pressed on the pressure transducer.
Described pressure transducer is fixed on the sidewall of support by screw rod, be communicated with by cable between pressure transducer and the dynamometry instrument.
Described photoelectric sensor is arranged on the below of through hole bearing, and photoelectric sensor is communicated with by cable with oscillograph.
The utility model utilizes lever balance theory, and the friction force between axle and the bearing friction pair is converted to needle point to the pressure of pressure transducer, can calculate the friction factor between the friction pair.By friction factor is compared, determine the principal element that affects the secondary polishing machine of bearing friction.Can carry out in the situation that friction pair material is determined, the factors such as rotating speed, hardness, load, lubricating oil and adjuvant are on the impact research of the secondary polishing machine of bearing friction.
Description of drawings
Fig. 1 is the secondary abrasion mechanism test unit of bearing friction of the present utility model stereographic map;
Fig. 2 is that the parts on the support of the present utility model are installed enlarged drawing.
Wherein:
Embodiment
Below, in conjunction with the accompanying drawings and embodiments the secondary abrasion mechanism test unit of bearing friction of the present utility model is elaborated:
As shown in Figure 1, 2, the secondary abrasion mechanism test unit of a kind of bearing friction comprises pedestal 1, is respectively arranged with motor 2, dynamometry instrument 3, oscillograph 4 and support 5 at pedestal 1.Be respectively arranged with rotation axis 6, load lever 7 and photoelectric sensor 8 at support 5.
The two ends of rotation axis 6 are placed on respectively in the through hole of support 5 two sides, and an end of rotation axis 6 is suspended at outside the support 5, and the end that suspends of rotation axis 6 links to each other with the output shaft of motor 2 by belt 9.Through hole bearing 10 fixed covers are at the middle part of rotation axis 6.
Motor 2 drives rotation axis 6 by belt 9 and rotates, and rotation axis 6 drives through hole bearing 10 and rotates.
The two ends of load lever 7 are placed on respectively in the groove of support 5 two sides, and load lever 7 has certain bendind rigidity, can bear in the test requirement to axle 14 reinforcings, and load lever 7 middle parts are provided with the axis hole that matches with axle 14 sizes simultaneously.The top of axle 14 is stuck in the axis hole at load lever 7 middle parts and both are bolted, and the bottom of axle 14 is suspended at load lever 7 belows and contacts with the outside surface of through hole bearing 10.
In order to obtain the secondary abrasion mechanism experimental study of bearing friction under the High Rotation Speed operating mode, adopt through hole bearing 10 to rotate, the Design Mode that axle 14 is static is like this so that test is easy to realization more.Through hole bearing 10 relatively rotates with axle 14, and both linear velocities are identical, the diameter of through hole bearing 10 are designed to several times to tens times of axle 14 diameters for this reason, thereby can realize the theoretic high rotating speed of axle 14.
Axle 14 adds counterweight 11 by the both ends in load lever 7 above through hole bearing 10,14 pairs of through hole bearings 10 of realization axle are exerted pressure.The top, axis hole position of load lever 7 is provided with boss, and the tail end fixed card of needle point 12 is in this boss.
Principle of work of the present utility model and the course of work:
During the test unit running, relative motion occurs between axle 14 and the through hole bearing 10, the pressure of friction force between the two and 12 pairs of pressure transducers 13 of needle point is a pair of equilibrant, utilize lever balance theory, friction force between axle 14 and the through hole bearing 10 can be converted to the pressure of 12 pairs of pressure transducers 13 of needle point, be shown by dynamometry instrument 3.
If the pressure of 14 pairs of through hole bearings 10 of axle is P, this pressure P is the weight of counterweight 11.Axle 14 is F with the friction force of through hole bearing 10, and this friction force is that F namely is the pressure by 12 pairs of pressure transducers 13 of needle point of dynamometer table 3 demonstration.Then the size of the coefficientoffrictionμ of through hole bearing 10 friction pairs is:
The friction force F of axle 14 and through hole bearing 10 can survey, and the pressure P of 14 pairs of through hole bearings 10 of axle is known, can calculate the coefficientoffrictionμ of friction pair between shaft 14 and the through hole bearing 10 according to following formula.
The utility model is simple in structure, easy to operate, has realized the secondary abrasion mechanism test of the bearing friction of High Rotation Speed machine.
Claims (3)
1. the secondary abrasion mechanism test unit of a bearing friction, comprise pedestal (1), be respectively arranged with motor (2) at pedestal (1), dynamometry instrument (3), oscillograph (4) and support (5), it is characterized in that: be respectively arranged with rotation axis (6) at support (5), load lever (7) and photoelectric sensor (8), the end that suspends of rotation axis (6) links to each other with the output shaft of motor (2) by belt (9), through hole bearing (10) fixed cover is at the middle part of rotation axis (6), the two ends of load lever (7) are placed on respectively in the groove of support (5) two side, the top of axle (14) is stuck in the axis hole at load lever (7) middle part, and be bolted, the bottom of axle (14) is suspended at load lever (7) below, and contact with the outside surface of through hole bearing (10), counterweight (11) is added at two ends in load lever (7), the top, axis hole position of load lever (7) is provided with boss, the tail end fixed card of needle point (12) is in this boss, and the top of needle point (12) is pressed on the pressure transducer (13).
2. the secondary abrasion mechanism test unit of bearing friction according to claim 1, it is characterized in that: described pressure transducer (13) is fixed on the sidewall of support (5) by screw rod, is communicated with by cable between pressure transducer (13) and the dynamometry instrument (3).
3. the secondary abrasion mechanism test unit of bearing friction according to claim 1, it is characterized in that: described photoelectric sensor (8) is arranged on the below of through hole bearing (10), and photoelectric sensor (8) is communicated with by cable with oscillograph (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257822 CN202676562U (en) | 2012-06-04 | 2012-06-04 | Bearing friction pair abrasion mechanism test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257822 CN202676562U (en) | 2012-06-04 | 2012-06-04 | Bearing friction pair abrasion mechanism test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676562U true CN202676562U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220257822 Expired - Fee Related CN202676562U (en) | 2012-06-04 | 2012-06-04 | Bearing friction pair abrasion mechanism test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267698A (en) * | 2013-05-22 | 2013-08-28 | 国家电网公司 | Connecting hardware swing wear tester |
| CN107290237A (en) * | 2017-06-21 | 2017-10-24 | 南京理工大学 | A kind of device for being used to measure the cylindrical circumferential anti-wear performance of cylinder sample |
-
2012
- 2012-06-04 CN CN 201220257822 patent/CN202676562U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267698A (en) * | 2013-05-22 | 2013-08-28 | 国家电网公司 | Connecting hardware swing wear tester |
| CN107290237A (en) * | 2017-06-21 | 2017-10-24 | 南京理工大学 | A kind of device for being used to measure the cylindrical circumferential anti-wear performance of cylinder sample |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Jianjun Inventor after: Su Li Inventor after: Li Junyan Inventor after: Feng Xiangyang Inventor before: Wang Liming Inventor before: Wu Jianjun Inventor before: Wu Lei Inventor before: Su Li |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG LIMING WU JIANJUN WU LEI SU LI TO: WU JIANJUN SU LI LI JUNYAN FENG XIANGYANG |
|
| 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: 20130116 Termination date: 20200604 |