CN203100949U - Rolling bearing friction moment measuring device under low-speed medium-heavy load - Google Patents
Rolling bearing friction moment measuring device under low-speed medium-heavy load Download PDFInfo
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- CN203100949U CN203100949U CN 201320140218 CN201320140218U CN203100949U CN 203100949 U CN203100949 U CN 203100949U CN 201320140218 CN201320140218 CN 201320140218 CN 201320140218 U CN201320140218 U CN 201320140218U CN 203100949 U CN203100949 U CN 203100949U
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Abstract
The utility model relates to a friction moment measuring apparatus of a bearing and in particular relates to a rolling bearing friction moment measuring device under low-speed medium-heavy load, solving the problem that the actual friction moment condition of the tested bearing cannot be completely and accurately measured under heavy load condition in the prior art. The rolling bearing friction moment measuring device is used for applying radial force by adopting a multi-stage lever mechanism as a shaft sleeve, and is capable of realizing the effect of generating large load by limited loading weight. Moreover, the friction moment measuring apparatus is small in loading impact, simple in structure, stable in load and capable of solving the problem that the conventional rolling bearing moment measuring device inconveniently increases the load. The roller bearing friction moment measuring device provided by the utility model can be used for testing the friction characteristics of the rolling bearing under the medium-heavy load condition as well as various temperature conditions and various rotation speed conditions, and can be used for solving the problems that the inner friction force of the rolling bearing for bearing radial load cannot be accurately measured as various rolling bearings in the prior art are capable of bearing from light load to medium load to heavy load, and are unlikely for carrying out the original dimension test under the heavy load condition.
Description
Technical field
The present invention relates to the moment of friction surveying instrument of bearing, the Frictional Moment for Rolling Bearings measurement mechanism in a kind of specifically low speed under the heavy load.
Background technology
Frictional Moment for Rolling Bearings is an integrated performance index of rolling bearing, and it directly influences the stability and the reliability of complete machine operation.In theory, the moment of friction of rolling bearing has many different computing formula, but because the randomness and the complicacy of moment of friction, Theoretical Calculation is difficult to try to achieve exact value.In engineering reality, often record given type dimensioned bearings at specified load, accurate moment of friction value under the conditions of work such as rotating speed by testing tool.Because the internal friction of bearing own is very little, be far smaller than the suffered load of bearing, its friction force unavoidably is subjected to the interference of radial load during test, so so far, many tests are subjected to the rolling bearing of axial load in the experimental study, and the measurement mechanism that can accurately test the rolling bearing that is subjected to radial load is less.The rolling bearing type has multiple.The rolling body shape has spherical rolling body, cylindrical roller, taper roller, needle roller etc.Raceway contacts a bit contact with roller, the line contact, radially the load-bearing capacity scope is big, can be used for underloading, in be downloaded to heavily loaded occasion.Since to test be subjected in, heavy duty, and the moment of friction of the rolling bearing under the hot conditions under experiment condition, is difficult for realizing the life size test, this just makes the friction force of the rolling bearing of bearing radial force be difficult to accurate measurement.
The patent No. 201110417343.1, a kind of horizontal bearing frictional torque measurement mechanism is the outer ring rotation, survey the power of inner ring, rotating speed can be adjusted, but lack heating arrangement, the high-temperature work environment of rolling bearing under big load in can't simulating reality, this patent can only be surveyed room temperature condition lower bearing moment of friction.
The patent No. 201110430320.7, the radially measuring method of stand under load bearing frictional torque and equipment, provide a kind of energy measurement in various load, under various rotating speeds and all temps bearing of stand under load is radially carried out the method that moment of friction is measured, but its version is complicated, driver module is connected the employing belt gear with test module, this type of drive can produce unbalance loading to the rotation of measurement axis, and consequent vibration meeting exerts an influence to measured bearing moment of friction data stability and accuracy.
The patent No. 201210080297.8, a kind of Frictional Moment for Rolling Bearings measurement mechanism is provided with heating device and AC servo motor, can change load, rotating speed, three kinds of extraneous factors of temperature arbitrarily, but it adopts vertical structure, drive shaft is arranged vertically, the driving measured bearing horizontally rotates, and the bearing of most of devices and equipment all is to rotate in the vertical plane in the reality, the actual andfrictional conditions that the moment of friction value that the proving installation of this structure records just can't comprehensive and accurate test measured bearing.
In sum, can take all factors into consideration load on the market, temperature, rotating speed, these operating mode factors and can accurately to measure the proving installation of moment of friction of rolling bearing also rarely found.
The utility model content
In prior art, the problem of actual moment of friction situation that can't comprehensive and accurate test measured bearing under fully loaded transportation condition, the utility model provides the Frictional Moment for Rolling Bearings measurement mechanism under the heavy load in a kind of low speed.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Frictional Moment for Rolling Bearings measurement mechanism in a kind of low speed under the heavy load, rotating shaft, axle sleeve, device for measuring force, shaft coupling, motor, bearing seat, end cap and the speed measuring device that is used to measure the rotating shaft rotating speed, rotating shaft is supported by bearing seat, and an end is connected with motor by shaft coupling, axle sleeve and end cap are set in the rotating shaft, the Internal and external cycle of test bearing cooperates with rotating shaft and axle sleeve respectively, also comprise support set and charger, described support set cooperates with axle sleeve, and be connected with end cap, in the support set, be provided with axially extended thermometer hole and bottoming hole between the outer peripheral face, device for measuring force is arranged on the outer peripheral face of support set, described charger comprises the loading rolling bearing, fixed head, leverage and loading counterweight, load the outer peripheral face rolling compression fit of rolling bearing and support set, and link to each other with fixed head, fixed head is arranged on an end of leverage, and the other end of leverage is provided with the loading counterweight;
Described bottoming hole is circumferentially evenly laid along support set;
Described thermometer hole and bottoming hole are blind hole, are provided with heating rod in the bottoming hole, are provided with temperature measuring equipment in the thermometer hole;
It between described axle sleeve and the support set interference fit;
Described end cap is connected with support set by screw thread;
The axis of described loading rolling bearing and the parallel axes of rotating shaft;
Described leverage is 1+2N level series connection leverage, and N is an integer.
The beneficial effects of the utility model:
The device that the utility model provides, adopting multi-grade lever mechanism is that axle sleeve adds radial force, can realize that limited load mass produces the effect of very big load, and the loading impact is little, simple in structure, load stable, has solved the problem of the increasing of Frictional Moment for Rolling Bearings proving installation inconvenience in the past load;
The device that the utility model provides adopts the support set axial location, radially spline is set on the outer peripheral face of axle sleeve, and the outer peripheral face of axle sleeve cooperates with the inner peripheral surface of support set, has strengthened the rigidity of axle sleeve;
The device that the utility model provides, bottoming hole is circumferentially evenly laid along support set, heating rod is set in bottoming hole can be heated for rolling bearing, the high-temperature work environment of rolling bearing under big load in the simulating reality, the actual moment of friction of testing rolling bearing more accurately;
The device that the utility model provides, can in, heavy load, and the rubbing characteristics of test rolling bearing under the various temperature, multiple speed conditions, solved in the prior art because the rolling bearing type is multiple, can bear from underloading, be downloaded to heavy load, under fully loaded transportation condition, be difficult for life size test and problem that the internal friction of the rolling bearing that bears radial load that causes can't accurately record.
Description of drawings
Fig. 1 the utility model structural representation;
Fig. 2 the utility model side examination partial sectional view;
Fig. 3 the utility model partial sectional view;
Reference numeral: 1, rotating shaft, 2, test bearing, 3, axle sleeve, 4, support set, 5, thermometer hole, 6, device for measuring force, 7, speed measuring device, 8, shaft coupling, 9, motor, 10, bearing seat, 11, end cap, 12, bottoming hole, 13, the nut I, 14, pad I, 15, T type screw, 16, bolt, 17, the nut II, 18, pad II, 19, load rolling bearing, 20 fixed heads, 21, screw, 22, third level lever, 23, connecting link, 24, fulcrum, 25, load counterweight.
Embodiment
Below in conjunction with embodiment the utility model is further elaborated.
As shown in the figure: the Frictional Moment for Rolling Bearings measurement mechanism in a kind of low speed under the heavy load, comprise rotating shaft 1, axle sleeve 3, device for measuring force 6, shaft coupling 8, motor 9, bearing seat 10, end cap 11 and the speed measuring device 7 that is used to measure rotating shaft 1 rotating speed, rotating shaft 1 is supported by bearing seat 10, and an end is connected with motor 9 by shaft coupling 8, axle sleeve 3 and end cap 11 are set in the rotating shaft 1, the Internal and external cycle of test bearing 2 cooperates with rotating shaft 1 and axle sleeve 3 respectively, also comprise support set 4 and charger, described support set 4 cooperates with axle sleeve 3, and be connected with end cap 11, in the support set 4, be provided with axially extended thermometer hole 5 and bottoming hole 12 between the outer peripheral face, device for measuring force 6 is arranged on the outer peripheral face of support set 4, described charger comprises loading rolling bearing 19, fixed head 20, leverage and loading counterweight 25, load the outer peripheral face rolling compression fit of rolling bearing 19 and support set 4, and link to each other with fixed head 20, fixed head 20 is arranged on an end of leverage, and the other end of leverage is provided with and loads counterweight 25;
Bearing seat 10 links to each other with base by nut I 13, pad I 14, T type screw 15;
Be provided with axially extended thermometer hole 5 and bottoming hole 12 between the inside and outside side face of support set 4, bottoming hole 12 is circumferentially evenly laid along support set 4, described thermometer hole 5 and bottoming hole 12 are blind hole, be provided with heating rod in the bottoming hole 12, be provided with temperature measuring equipment in the thermometer hole 5, heating rod can be axle sleeve 3 heating, the outside also is provided with temperature controller, end cap 11 is connected with support set 4 by screw thread, bottoming hole 12 and thermometer hole 5 are sealed, end cap 11 is provided with groove, can use to collude the type spanner it is dismantled;
Be interference fit between support set 4 and the axle sleeve 3, screw on support set 4 jacket walls and axle sleeve 3 realized axial limitings and spline radially, the inner face of screw holds out against on the outer peripheral face of axle sleeve 3, support set 4 just can not rotate with respect to axle sleeve 3 like this, on the end face of support set 4 and axle sleeve 3, press and be provided with end cap 11, by the location between end cap 11 realization support sets 4 and the axle sleeve 3, these two kinds of locator meamss make support set 4 to have easily on the axle sleeve 3 and pull down, the convenient impaired axle sleeve 3 that changes in experimentation;
In the radial loaded device, the outer ring that loads rolling bearing 19 is pressed on the outer peripheral face of support set 4, provide radial load by support set 4 for axle sleeve 3, and then be that test bearing 2 loads, load the outer ring of rolling bearing 19 and the outer peripheral face rolling compression fit of support set 4, can roll with support set 4 in the outer ring that loads rolling bearing 19, reduce to load the friction force of the outer ring of rolling bearing 19 to support set 4, loads the axis of rolling bearing 19 and the parallel axes of rotating shaft 1;
Load rolling bearing 19 by bolt 16, nut II 17, pad II 18 links to each other with fixed head 20, fixed head 20 is arranged on an end of third level lever 22 by screw 21, the other end of third level lever 22 links to each other with an end of second level lever by connecting link 23, the other end of second level lever links to each other by connecting link with an end of first order lever, and the other end of first order lever hangs to be provided with to load on 25, three levers of counterweight and is provided with fulcrum 24;
Be rotatedly connected by hinged between each lever and the connecting link, also for being rotationally connected, the assurance counterweight can add and not fall down between loading counterweight 25 and the lever.Here, can adjust fulcrum 24 on lever the position and make the gravity of the power of leverage output terminal much larger than counterweight, as the case may be, those skilled in the art can do concrete conversion as required;
Test bearing 2 inner rings rotation in this example is by the moment of friction of test bearing outer ring test bearing; In the present embodiment, be provided with speed measuring device 7 on the outer peripheral face of axle 1, device for measuring force 6 is arranged on the outer peripheral face of support set, and device for measuring force 6, speed measuring device 7, temperature measuring equipment and test, transmission, the disposal route of being correlated with are same as the prior art, are not described in detail in this.
Claims (7)
1. the Frictional Moment for Rolling Bearings measurement mechanism under the heavy load in the low speed, comprise rotating shaft (1), axle sleeve (3), device for measuring force (6), shaft coupling (8), motor (9), bearing seat (10), end cap (11) and be used to measure the speed measuring device (7) of rotating shaft (1) rotating speed, rotating shaft (1) is supported by bearing seat (10), and an end is connected with motor (9) by shaft coupling (8), axle sleeve (3) and end cap (11) are set in the rotating shaft (1), the Internal and external cycle of test bearing (2) cooperates with rotating shaft (1) and axle sleeve (3) respectively, it is characterized in that: also comprise support set (4) and charger, described support set (4) cooperates with axle sleeve (3), and be connected with end cap (11), in the support set (4), be provided with axially extended thermometer hole (5) and bottoming hole (12) between the outer peripheral face, device for measuring force (6) is arranged on the outer peripheral face of support set (4), described charger comprises loading rolling bearing (19), fixed head (20), leverage and loading counterweight (25), load the outer peripheral face rolling compression fit of rolling bearing (19) and support set (4), and link to each other with fixed head (20), fixed head (20) is arranged on an end of leverage, and the other end of leverage is provided with and loads counterweight (25).
2. the Frictional Moment for Rolling Bearings measurement mechanism in the low speed as claimed in claim 1 under the heavy load is characterized in that: described bottoming hole (12) is circumferentially evenly laid along support set (4).
3. the Frictional Moment for Rolling Bearings measurement mechanism in the low speed as claimed in claim 1 under the heavy load, it is characterized in that: described thermometer hole (5) and bottoming hole (12) are blind hole, bottoming hole is provided with heating rod in (12), and thermometer hole is provided with temperature measuring equipment in (5).
4. the Frictional Moment for Rolling Bearings measurement mechanism in the low speed as claimed in claim 1 under the heavy load is characterized in that: be interference fit between described axle sleeve (3) and the support set (4).
5. the Frictional Moment for Rolling Bearings measurement mechanism in the low speed as claimed in claim 1 under the heavy load is characterized in that: described end cap (11) is connected with support set (4) by screw thread.
6. the Frictional Moment for Rolling Bearings measurement mechanism in the low speed as claimed in claim 1 under the heavy load is characterized in that: the parallel axes of the axis of described loading rolling bearing (19) and rotating shaft (1).
7. the Frictional Moment for Rolling Bearings measurement mechanism in the low speed as claimed in claim 1 under the heavy load is characterized in that: described leverage is 1+2N level series connection leverage, and N is an integer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140218 CN203100949U (en) | 2013-03-26 | 2013-03-26 | Rolling bearing friction moment measuring device under low-speed medium-heavy load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140218 CN203100949U (en) | 2013-03-26 | 2013-03-26 | Rolling bearing friction moment measuring device under low-speed medium-heavy load |
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| CN203100949U true CN203100949U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320140218 Expired - Fee Related CN203100949U (en) | 2013-03-26 | 2013-03-26 | Rolling bearing friction moment measuring device under low-speed medium-heavy load |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973601A (en) * | 2016-06-18 | 2016-09-28 | 上海大学 | Testing platform suitable for acceleration service life of rolling bearing |
| CN107367351A (en) * | 2017-08-16 | 2017-11-21 | 常州市计量测试技术研究所 | A kind of standard torque spanner calibrating installation and method based on dead weight type safe standard torquer |
| CN107782554A (en) * | 2017-09-12 | 2018-03-09 | 昆明理工大学 | A kind of Frictional Moment for Rolling Bearings test desk of no Mechanical Contact loading |
| CN109612615A (en) * | 2018-12-24 | 2019-04-12 | 人本集团有限公司 | The test device of automobile hub bearing load friction torque |
| CN109752271A (en) * | 2019-03-03 | 2019-05-14 | 王志辉 | A kind of material non-uniform temperature field wear test device and test method thereof |
| CN112503096A (en) * | 2020-11-27 | 2021-03-16 | 中国航发四川燃气涡轮研究院 | Bearing and bearing outer ring integrated structure |
| CN113295311A (en) * | 2021-04-27 | 2021-08-24 | 北京交通大学 | Method for determining friction torque between rolling bearing roller and raceway and testing device |
| CN113551909A (en) * | 2021-07-28 | 2021-10-26 | 浙江中达精密部件股份有限公司 | Radial spherical plain bearing test bed |
| CN113639984A (en) * | 2021-08-13 | 2021-11-12 | 吉林大学 | A vacuum high and low temperature composite loading device |
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2013
- 2013-03-26 CN CN 201320140218 patent/CN203100949U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973601A (en) * | 2016-06-18 | 2016-09-28 | 上海大学 | Testing platform suitable for acceleration service life of rolling bearing |
| CN105973601B (en) * | 2016-06-18 | 2018-10-23 | 上海大学 | Suitable for rolling bearing accelerated life test platform |
| CN107367351A (en) * | 2017-08-16 | 2017-11-21 | 常州市计量测试技术研究所 | A kind of standard torque spanner calibrating installation and method based on dead weight type safe standard torquer |
| CN107367351B (en) * | 2017-08-16 | 2023-12-12 | 常州检验检测标准认证研究院 | Standard torque spanner calibrating device and method based on dead weight type torque standard machine |
| CN107782554B (en) * | 2017-09-12 | 2019-11-08 | 昆明理工大学 | A rolling bearing friction torque measuring platform without mechanical contact loading |
| CN107782554A (en) * | 2017-09-12 | 2018-03-09 | 昆明理工大学 | A kind of Frictional Moment for Rolling Bearings test desk of no Mechanical Contact loading |
| CN109612615A (en) * | 2018-12-24 | 2019-04-12 | 人本集团有限公司 | The test device of automobile hub bearing load friction torque |
| CN109752271A (en) * | 2019-03-03 | 2019-05-14 | 王志辉 | A kind of material non-uniform temperature field wear test device and test method thereof |
| CN112503096A (en) * | 2020-11-27 | 2021-03-16 | 中国航发四川燃气涡轮研究院 | Bearing and bearing outer ring integrated structure |
| CN113295311A (en) * | 2021-04-27 | 2021-08-24 | 北京交通大学 | Method for determining friction torque between rolling bearing roller and raceway and testing device |
| CN113295311B (en) * | 2021-04-27 | 2022-04-29 | 北京交通大学 | Method for determining friction torque between rolling bearing roller and raceway and testing device |
| CN113551909A (en) * | 2021-07-28 | 2021-10-26 | 浙江中达精密部件股份有限公司 | Radial spherical plain bearing test bed |
| CN113551909B (en) * | 2021-07-28 | 2024-06-25 | 浙江中达精密部件股份有限公司 | Centripetal knuckle bearing test bench |
| CN113639984A (en) * | 2021-08-13 | 2021-11-12 | 吉林大学 | A vacuum high and low temperature composite loading device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140326 |