CN109029754A - A kind of conical friction element temperature gradient measuring device - Google Patents
A kind of conical friction element temperature gradient measuring device Download PDFInfo
- Publication number
- CN109029754A CN109029754A CN201810992827.3A CN201810992827A CN109029754A CN 109029754 A CN109029754 A CN 109029754A CN 201810992827 A CN201810992827 A CN 201810992827A CN 109029754 A CN109029754 A CN 109029754A
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- Prior art keywords
- friction element
- temperature
- conical
- conical friction
- temperature gradient
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention relates to a kind of conical friction element temperature gradient measuring device, which includes conical friction element fixture, temperature sensor, temperature sensor protecting set, signal receiver.Temperature sensor is embedded in conical friction element, contacts the conical surface close to friction of rest element；Signal receiver reads measuring point temperature by processing software for receiving temperature signal in real time.The present invention relates to a kind of conical friction element temperature gradient measuring devices, measure the sliding operating condition contact surface temperature gradient that rubs of friction element, meet the requirement of the design of friction element temperature capabilities and lubricating and cooling optimization.
Description
Technical field
The present invention designs the sliding field of temperature measurement of rubbing of conical friction element, and in particular to a kind of conical friction element contact surface
Sliding temperature gradient measuring device of rubbing, suitable for conical friction element sliding in real time rub temperature and temperature gradient measurement.
Background technique
Wet friction element is mainly used in mechanical variable speed device, clutch, in brake, generally annular planar friction
Element.It is proposed novel tapered friction element for passing through conical friction element and conical friction element in mechanical speed change gear
The separation of conical surface and it is implemented in combination with variable speed operation.Conical configuration is its distinctive design feature, not with planar friction element
Together, there is temperature gradient in the axial direction.Speed change gear friction element will appear cunning in short-term in shift process and rub, and temperature increases
It is too fast, it will affect stable friction factor, it is excessive so as to cause shift shock, influence the ride comfort and speed change gear performance of shift
Stability, if friction element occur it is long when cunning rub, will lead to the failure modes such as friction element ablation, crackle, influence entirely to rub
Wipe the reliability of transmission.While temperature gradient is also one and needs the emphasis paid close attention to that can make if friction element temperature gradient is excessive
It is deformed at the conical surface, influences friction element torque transmittance process.Friction surface temperature is excessively high under sliding operating condition of rubbing and temperature gradient mistake
It is the principal element of friction element thermal failure greatly.
In friction element design process, it is thus necessary to determine that the thermal capacity of friction element specifies the friction member under typical condition
Part Temperature Distribution, it is sliding when avoiding long to rub and appearance situations such as friction element temperature gradient is excessive.Therefore conical friction element
Temperature gradient measuring device can design for the thermal capacity of conical friction element and provide support.
Summary of the invention
The technical problem to be solved in the present invention are as follows: be directed to typical conical friction element, the angle designed from thermal capacity mentions
A kind of conical friction element temperature gradient test device out specifies exemplary tapered friction by experiment exemplar temperature gradient test
The temperature gradient of element friction surface provides support for the design of conical friction element thermal stability.
The technical solution adopted by the present invention is that: a kind of conical friction element temperature gradient measuring device is provided, this method is logical
Overtesting measures the temperature of conical friction element contact conical surface measuring point, obtains conical friction element sliding rub process temperature gradient and temperature
Spend change procedure.
The temperature gradient measuring device includes
Conical friction element fixture (1): for fixing conical friction element and providing Oil Lubrication Condition.Clamp base processing
There is pin hole, is used for fixed friction element；It is machined with multiple holes on press cylinders wall surface, is used to support temperature sensor.
Temperature sensor (2): processing multiple counterbores in conical friction element circumferential wall, and counterbore bottom hole is rubbed close to taper
Wipe the element conical surface.Temperature sensor is embedded in conical friction element.
Temperature sensor protecting set (3): the temperature sensor protecting set (3) be used for by sensor probe and lubricating oil every
From influence of the reduction to result.
Signal receiver (4): described signal receiver (4) one end connects computer by data line, and one end connects temperature
Pickup wire.Transducer receivers and measuring and calculation machine are outside fixture, and signal receiver (4) is for transmitting temperature signal
The signal processing software into computer.
Compared with the prior art, the invention has the advantages that: friction element is mostly planar friction element at present, is not needed
It is paid close attention to along axial temperature gradient.The design feature of the conical friction element conical surface makes that conical friction member should be specified when design
Temperature gradient situation of change of part conical surface during sliding rub.The present invention devises a kind of conical friction element temperature gradient measurement
Device.By temperature gradient measuring device, the temperature gradient and maximum temperature of conical surface are obtained, the taper of typical structure is specified
Friction element temperature changing regularity instructs the design of conical friction element thermal capacity and thermal stability.
Detailed description of the invention
Fig. 1 is conical friction element temperature gradient measuring device figure in the present invention.
Specific embodiment
The implementation process of the method for the present invention is illustrated with reference to the accompanying drawing.
Conical friction element fixture (1): clamp base is machined with pin hole, is used for fixed friction element；In press cylinders wall
It is machined with multiple holes on face, is used to support temperature sensor.Conical friction element fixture wall surface process hole position is by conical friction
Element cone height parameter determines.
Temperature sensor (2): processing multiple counterbores on conical friction element, and temperature sensor is embedded in conical friction member
The nearly conical surface of part, for measuring contact surface temperature.Temperature sensor embeds hole and the cooperation of holder wall face is processed.As described above
Conical friction element temperature measuring device in, generally be arranged two temperature sensors.Temperature sensor is mounted on the conical surface not
With on height and position, point position is as shown, one is used to measure conical surface head temperature, a measurement conical surface bottom temp.
Two measuring point temperature values form the effective temperature range of the conical surface, for evaluating temperature gradient on the conical friction element conical surface.
Temperature sensor protecting set (3): the temperature sensor protecting set (3) be used for by sensor probe and lubricating oil every
From influence of the reduction to result.
Signal receiver (4): described signal receiver (4) one end connects computer by data line, and one end connects temperature
Pickup wire.Transducer receivers and measuring and calculation machine are outside fixture, and signal receiver (4) is for transmitting temperature signal
The signal processing software into computer.
It is terraced for evaluating temperature on the conical friction element conical surface at least two sensor of conical surface bottom at the top of cone of friction
Degree.
Claims (5)
1. a kind of conical friction element temperature gradient test device, for testing the sliding temperature ladder that rubs of conical friction element conical surface
Degree, the conical friction element temperature gradient test device include:
Conical friction element fixture (1): the conical friction element fixture (1) is for fixed friction element and provides glossy draw runner
Part；Clamp base is machined with pin hole, is used for fixed friction element；It is machined with multiple holes on press cylinders wall surface, is used to support
Temperature sensor；
Temperature sensor (2): processing multiple counterbores on conical friction element, and the temperature sensor (2) is embedded in taper and rubs
It wipes in element, bottom hole is close to conical surface, for measuring contact surface temperature；
Temperature sensor protecting set (3): the temperature sensor protecting set (3) is for sensor probe to be isolated with lubricating oil；
Signal receiver (4): described signal receiver (4) one end connects computer by data line, and one end connects temperature sensing
Device line；Transducer receivers and measuring and calculation machine are outside fixture, and temperature signal based on being transferred to by signal receiver (4)
Signal processing software in calculation machine.
2. conical friction element temperature gradient test device according to claim 1, it is characterised in that: conical friction element
Fixture design, the process hole position of fixed temperature sensor is used for including conical friction element fixture wall surface.
3. conical friction element temperature gradient test device according to claim 1, it is characterised in that: sensor is distributed in
On the different height position of the conical surface, at the top of cone of friction, bottom two sensors are at least installed, for evaluating conical friction
Temperature gradient on the element conical surface, sensor, which embeds hole, to cooperate processing with holder wall face.
4. conical friction element temperature gradient test device according to claim 1, it is characterised in that: temperature sensor is protected
Sheath is for keeping apart sensor and lubricating oil.
5. conical friction element temperature gradient test device according to claim 1, it is characterised in that: transducer receivers
And measuring and calculation machine, outside fixture, signal receiver receives signal by temperature sensor line, is then passed by data line
It is delivered in computer temperature test software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992827.3A CN109029754A (en) | 2018-08-29 | 2018-08-29 | A kind of conical friction element temperature gradient measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992827.3A CN109029754A (en) | 2018-08-29 | 2018-08-29 | A kind of conical friction element temperature gradient measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109029754A true CN109029754A (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810992827.3A Pending CN109029754A (en) | 2018-08-29 | 2018-08-29 | A kind of conical friction element temperature gradient measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830396A (en) * | 2020-07-15 | 2020-10-27 | 广东利扬芯片测试股份有限公司 | Chip test system with chip test environment temperature detection function |
Citations (6)
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|---|---|---|---|---|
| DE19940463A1 (en) * | 1999-08-26 | 2001-03-01 | Ruetgers Automotive Ag | Determining form of temperature distribution on friction surface involves selecting reference point outside discontinuity areas detected in surface with anomalous emission values |
| CN101957242A (en) * | 2009-07-20 | 2011-01-26 | 中国北方车辆研究所 | Friction pair dynamic temperature field test method for crawler gear shift mechanism and press plate thereof |
| CN202501982U (en) * | 2012-03-13 | 2012-10-24 | 浙江大学 | Thin-film lubrication for high speed friction pair and heat transfer test system |
| CN103728052A (en) * | 2013-12-24 | 2014-04-16 | 江苏大学 | Sealing ring end surface temperature measurement method based on wireless transmission |
| CN205118084U (en) * | 2015-10-27 | 2016-03-30 | 贵州大学 | Automobile -used wet brake intelligent cooling controlling means |
| CN107084798A (en) * | 2017-06-22 | 2017-08-22 | 安徽江淮汽车集团股份有限公司 | A kind of temperature measuring equipment of friction of wet clutch |
-
2018
- 2018-08-29 CN CN201810992827.3A patent/CN109029754A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19940463A1 (en) * | 1999-08-26 | 2001-03-01 | Ruetgers Automotive Ag | Determining form of temperature distribution on friction surface involves selecting reference point outside discontinuity areas detected in surface with anomalous emission values |
| CN101957242A (en) * | 2009-07-20 | 2011-01-26 | 中国北方车辆研究所 | Friction pair dynamic temperature field test method for crawler gear shift mechanism and press plate thereof |
| CN202501982U (en) * | 2012-03-13 | 2012-10-24 | 浙江大学 | Thin-film lubrication for high speed friction pair and heat transfer test system |
| CN103728052A (en) * | 2013-12-24 | 2014-04-16 | 江苏大学 | Sealing ring end surface temperature measurement method based on wireless transmission |
| CN205118084U (en) * | 2015-10-27 | 2016-03-30 | 贵州大学 | Automobile -used wet brake intelligent cooling controlling means |
| CN107084798A (en) * | 2017-06-22 | 2017-08-22 | 安徽江淮汽车集团股份有限公司 | A kind of temperature measuring equipment of friction of wet clutch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830396A (en) * | 2020-07-15 | 2020-10-27 | 广东利扬芯片测试股份有限公司 | Chip test system with chip test environment temperature detection function |
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Application publication date: 20181218 |
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