CN201748992U - Ball bearing grease lubricant low-temperature torque testing machine - Google Patents
Ball bearing grease lubricant low-temperature torque testing machine Download PDFInfo
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- CN201748992U CN201748992U CN201020121553XU CN201020121553U CN201748992U CN 201748992 U CN201748992 U CN 201748992U CN 201020121553X U CN201020121553X U CN 201020121553XU CN 201020121553 U CN201020121553 U CN 201020121553U CN 201748992 U CN201748992 U CN 201748992U
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- ball bearing
- temperature
- ball
- low temperature
- bearing grease
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Abstract
The embodiment of the utility model discloses a ball bearing grease lubricant low-temperature torque testing machine which includes a ball bearing pedestal, a transmission device, a low-temperature box, a pressure sensor, a temperature sensor, a dynamometric rope, a support frame, a coder and a controller; the ball bearing pedestal provided with a ball bearing is fixed on one end of the transmission shaft of the transmission device stretching into the low-temperature box; the other end of the transmission shaft is arranged on the support frame; moreover, the coder is arranged at the end of the shaft and is used for measuring the rotating speed of the transmission shaft; the pressure sensor is connected with the ball bearing pedestal through the dynamometric rope and used for measuring a torque; the temperature sensor is arranged in the low-temperature box and used for detecting the temperature; and the controller is connected with the coder, the pressure sensor and the temperature sensor. The ball bearing grease lubricant low-temperature torque testing machine provided by the embodiment of the utility model does not need manual detecting, reading and recording, which reduces experiment errors.
Description
Technical field
The utility model relates to ball bearing grease low temperature torque experimental facilities manufacturing technology field, more particularly, relates to ball bearing grease low temperature torque test machine.
Background technology
At present, in ball bearing grease low temperature torque experiment, adopt U.S. ASTM D 1478-2007 and China SH/T 0338 ball bearing grease low temperature torque test method, adopt tautness meter to measure torque in these two kinds of test methods in the testing machine, regulation according to test standard, mensuration must be installed the experiment bearing after experimental provision reaches predetermined temperature (being generally-50 ℃ or-70 ℃), when reaching predetermined temperature, the continuation cooling picks up counting, this predetermined temperature constant temperature two hours, start drive motor then, observe the tautness meter pointer immediately, generally need to observe continuously several seconds to tens second kind and just can read maximal value, note the maximal value that pointer reaches, calculate detent torque with this value, be rotated further test axle 60 minutes then, (keeping constant temperature simultaneously), the average reading of observing the dynamometer pointer again in 15 seconds after 60 minutes, with mean value calculation running torque, therefore testing crew in experiment beginning back just must etc. the predetermined temperature that reaches to be cooled pick up counting, and then wait for two hours with the startup gear train, record and calculating detent torque value; Wait for one hour more again then, write down average reading in last 15 seconds once more and calculate its torque that testing crew is minimum like this must constantly pay close attention to the test process in 3 hours, in case miss the data read time then the failure of an experiment as test findings.And the time for reading of data is more hurry, and there is inevitable error in artificial reading, and employing dynamometer measurement data error is big, precision is low, causes test structure inaccurate.
In addition, adopt dry ice as low-temperature receiver in the above-mentioned ball bearing grease low temperature torque experimental machine, temperature is not easy control, causes data dispersed big, and experimental error is big.
The utility model content
In view of this, the utility model provides ball bearing grease low temperature torque test machine, so that experimentation is paid close attention to constantly, reduces the Acquisition Error to test figure.
For achieving the above object, the utility model provides following technical scheme:
A kind of ball bearing grease low temperature torque test machine comprises ball-bearing housing, gearing, cryogenic box, pressure transducer, temperature sensor, dynamometry rope, bracing frame, scrambler and control device, wherein:
The transmission shaft that the described ball-bearing housing that ball bearing is installed is fixed on described gearing extend on the end in the cryogenic box, the other end of described transmission shaft is arranged on the bearing support, and be provided with described scrambler at axle head, be used to measure the rotating speed of described transmission shaft;
Described pressure transducer is connected with described ball bearing by the dynamometry rope, is used to measure torque, is provided with temperature sensor in the described cryogenic box, is used for detected temperatures;
Described control device is connected with described scrambler, pressure transducer and temperature sensor.
Preferably, in the above-mentioned ball bearing grease low temperature torque test machine, described ball-bearing housing is a squirrel-cage load axis bearing.
Preferably, in the above-mentioned ball bearing grease low temperature torque test machine, scribble silicone oil on the described dynamometry rope.
Preferably, in the above-mentioned ball bearing grease low temperature torque test machine, be provided with refrigeration plant in the described cryogenic box.
Preferably, in the above-mentioned ball bearing grease low temperature torque test machine, described control store device is a microcomputer.
From above-mentioned technical scheme as can be seen, in the ball bearing grease low temperature torque test machine that provides among the utility model embodiment, adopt control store device and sensor condition control experiment process according to standard code, automatically detect, write down every test findings, realize the detection robotization of data, testing crew can leave the scene after installing testpieces, obtains test figure after the off-test from the control store device, need not manual detection, reading and record, reduced experimental error.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment and technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the ball bearing grease low temperature torque test machine that provides among the utility model embodiment is provided Fig. 1.
Embodiment
For quote and know for the purpose of, hereinafter the technical term of Shi Yonging is explained as follows:
Ball bearing also is ball bearing, and rolling bearing a kind of on the raceway of outer rim, can bear bigger load in ball is contained in.
The torque of railway grease low temperature: railway grease under low-temperature condition since viscosity increase, resistance during rotation can improve greatly, therefore must detect its torque under assigned temperature determining whether and can use for using, generally need detection reach-50 ℃ at the railway grease under the cryogenic conditions--the torque value under 70 ℃.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of antifriction-bearing grease low temperature torque test machine, so that experimentation is paid close attention to constantly, reduces the process errors to test figure.
As shown in Figure 1, a kind of ball bearing grease low temperature torque test machine, comprise: cryogenic box 1, gear train 2, bracing frame 3, scrambler 4, be with 5 synchronously, synchronous pulley 6, reducing motor 7, pressure transducer 8, dynamometry rope 9 and squirrel-cage load axis bearing 10, wherein:
Ball bearing is installed on the squirrel-cage load axis bearing 10, and an end of the transmission shaft in the gear train 2 passes cryogenic box 1, and squirrel-cage load axis bearing 10 is provided with on the end of transmission shaft extension in cryogenic box 1, and can rotate along with the rotation of transmission shaft; The other end of transmission shaft is arranged on the bracing frame 3, and scrambler 4 is installed on axle head, and scrambler 4 is used to measure rotating speed; Pressure transducer 8 is installed in the bottom of cryogenic box, and on the hook by dynamometry rope 9 and squirrel-cage load axis bearing 10 cylindricals, scribbles a little silicone oil on the dynamometry rope 9, guarantees that dynamometry rope 9 is icing or does not run into hole wall; Be provided with temperature sensor in the cryogenic box 1, the temperature in the record cryogenic box; Microcomputer is connected with scrambler 4, temperature sensor and pressure transducer 8, microcomputer is according to standard test method, set corresponding program, according to the program of setting testing machine is controlled, and the data that record coding device 4 and pressure transducer 8 and temperature sensor are gathered in the time of setting, and experimental data carried out stores processor.
Adopt environmental protection type refrigeration equipment in the cryogenic box 1 in the utility model, not only protect environment, and its easy control of temperature can not cause the dispersion of test figure, the accuracy that has improved experimental data because of floating of temperature.
The above-mentioned antifriction-bearing grease low temperature torque test machine course of work: before test earlier from microcomputer starting characteristics test program and set test condition, after the temperature in the cryogenic box arrives predetermined temperature, open the low temperature chamber door, the bearing of sample is contained in the squirrel-cage load axis bearing, check the dynamometry rope and on the detection rope, coat silicone oil, guarantee that the dynamometry rope do not run into hole wall, and guarantee that the dynamometry rope is in tension, close the door of cryogenic box, the temperature that this moment, the microcomputer reception detected is also judged, when experimental temperature meets the requirements of experimental temperature, microcomputer picks up counting and the starting characteristics test program, style method flow according to standard carries out work, write down corresponding experimental data, and experimental data stored and handle, control module is from pressure transducer in this process, obtain data in scrambler and the temperature detection sensor, avoided the personal error that artificial reading brought, improved the accuracy that experimental data is obtained, and control module is operated the experiment process automatically after on-test, testing crew can leave the scene, can be because of artificial not former thereby bring the failure of test.
Above-mentioned control device is a microcomputer, also can be the PLC control module.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (5)
1. a ball bearing grease low temperature torque test machine is characterized in that, comprises ball-bearing housing, gearing, cryogenic box, pressure transducer, temperature sensor, dynamometry rope, bracing frame, scrambler and control device, wherein:
The transmission shaft that the described ball-bearing housing that ball bearing is installed is fixed on described gearing extend on the end in the cryogenic box, the other end of described transmission shaft is arranged on the bearing support, and be provided with described scrambler at axle head, be used to measure the rotating speed of described transmission shaft;
Described pressure transducer is connected with described ball-bearing housing by the dynamometry rope, is used to measure torque, is provided with temperature sensor in the described cryogenic box, is used for detected temperatures;
Described control device is connected with described scrambler, pressure transducer and temperature sensor.
2. ball bearing grease low temperature torque test machine according to claim 1 is characterized in that described ball-bearing housing is a squirrel-cage load axis bearing.
3. ball bearing grease low temperature torque test machine according to claim 2 is characterized in that, scribbles silicone oil on the described dynamometry rope.
4. according to any described ball bearing grease low temperature torque test machine of claim 1-3, it is characterized in that, be provided with refrigeration plant in the described cryogenic box.
5. ball bearing grease low temperature torque test machine according to claim 4 is characterized in that described control store device is a microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020121553XU CN201748992U (en) | 2010-03-03 | 2010-03-03 | Ball bearing grease lubricant low-temperature torque testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020121553XU CN201748992U (en) | 2010-03-03 | 2010-03-03 | Ball bearing grease lubricant low-temperature torque testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201748992U true CN201748992U (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020121553XU Expired - Lifetime CN201748992U (en) | 2010-03-03 | 2010-03-03 | Ball bearing grease lubricant low-temperature torque testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201748992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175369A (en) * | 2011-02-24 | 2011-09-07 | 上海大学 | Friction torque testing device for rolling bearing at low temperature |
-
2010
- 2010-03-03 CN CN201020121553XU patent/CN201748992U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175369A (en) * | 2011-02-24 | 2011-09-07 | 上海大学 | Friction torque testing device for rolling bearing at low temperature |
| CN102175369B (en) * | 2011-02-24 | 2012-07-04 | 上海大学 | Friction torque testing device for rolling bearing at low temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |