CN109115496A - A kind of automobile speed variator bearing static strength and resistance to vibration detection device - Google Patents
A kind of automobile speed variator bearing static strength and resistance to vibration detection device Download PDFInfo
- Publication number
- CN109115496A CN109115496A CN201811023467.2A CN201811023467A CN109115496A CN 109115496 A CN109115496 A CN 109115496A CN 201811023467 A CN201811023467 A CN 201811023467A CN 109115496 A CN109115496 A CN 109115496A
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- electric cylinders
- radial
- loaded electric
- output shaft
- test cabin
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of automobile speed variator bearing static strength and resistance to vibration detection devices, in test cabin, radial loaded electric cylinders and Lubricating oil heating device is respectively set in two sides in the front-back direction, the output shaft of radial loaded electric cylinders is connect with radial loading device, the oil outlet of Lubricating oil heating device is connected by the oil inlet of thermal insulation tubing and test cabin, the oil outlet of test cabin is connected by oil pipe after the first refrigerator, is connect with the oil return opening of Lubricating oil heating device；Electro spindle and axially loaded electric cylinders is respectively set in the two sides of test cabin left and right directions, by shaft coupling and test axis connection, the output shaft of axially loaded electric cylinders is connect the output shaft of electro spindle with axial loading device.The present invention can simulate gearbox oil temperature, and temperature-controllable, flow are adjusted and have and constantly show traffic engineering capability；The present invention realize automobile speed variator bearing it is static under the loaded lower fatigue resistance detection of loaded intensity detection, high temperature dynamic rotary, testing result is accurate, reliable, and detection efficiency is high.
Description
Technical field
The present invention relates to a kind of detection device, static strength detection and resistance to vibration inspection for automobile speed variator bearing
It surveys.
Background technique
Automotive transmission must satisfy various requirements, including smooth, high-output power of shifting gears, compact-sized, gently
Amount, high efficiency and low noise etc., and also it is higher and higher to these requirements.Therefore, the performance of transmission bearing also must satisfy more
High requirement, this is the basis for developing automobile speed variator bearing.Since automobile speed variator bearing new product development speed is very fast, produce
Product resistance to vibration, the verifying of static strength are imperative, and the continuous replacement of material, the adjustment of heat treatment parameter, technique change in addition
Into etc., need to carry out the detection of resistance to vibration, static strength, but there are no specifically for automotive transmission axis on the market at present
Hold the device that intensity is detected.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of automotive transmissions
Bearing static strength and resistance to vibration detection device.
Technical scheme is as follows: a kind of automobile speed variator bearing static strength and resistance to vibration detection device, packet
Include equipment platform, it is characterised in that: test cabin is installed on the equipment platform, test axis is worn in the test cabin, tests axis
For installing bearing to be measured；
In the test cabin, radial loaded electric cylinders and Lubricating oil heating device, the diameter is respectively set in two sides in the front-back direction
Radial displacement transducer, and the output shaft and radial loading device of radial loaded electric cylinders are connected on the output shaft of load electric cylinders
Radial force sensor, the radial loaded dress are installed in connection between the output shaft and radial loading device of radial loaded electric cylinders
The loading head set is located in test cabin, and the periphery of face bearing outer ring to be measured；The oil outlet of the Lubricating oil heating device
It is connected by the oil inlet of thermal insulation tubing and test cabin, after the oil outlet of test cabin is by oil pipe the first refrigerator of series connection, with profit
The oil return opening of lubricating oil heating device connects；
Electro spindle and axially loaded electric cylinders, the output shaft of electro spindle is respectively set in the two sides of the test cabin left and right directions
By shaft coupling and test axis connection, electro spindle carries cooling passage, and the inlet and outlet of the cooling passage pass through water pipe respectively
It is connect with the second refrigerator, forms water-flow circuit；Axial displacement biography is connected on the output shaft of the axially loaded electric cylinders
Sensor, and the output shaft of axially loaded electric cylinders is connect with axial loading device, is added in the output shaft of axially loaded electric cylinders with axial
It carries and axial force transducer is installed between setting, the loading head of the axial loading device is located in test cabin, and face axis to be measured
The end face of bearing outer-ring.
Using above technical scheme, automobile speed variator bearing to be detected is put into test cabin, and bearing to be measured is mounted on
It tests on axis.When static strength detects: bearing to be measured is stationary, and Industry Control computer is added by radial force sensor to radial
It carries electric cylinders and issues instruction, stretch out the output shaft of radial loaded electric cylinders, the output shaft of radial loaded electric cylinders is filled by radial loaded
It sets and acts on the periphery of bearing outer ring to be measured, apply the radial force of setting to bearing to be measured, radial displacement transducer will be to
Survey bearing it is radially loaded after change in displacement situation feed back to control system；Meanwhile Industry Control computer is sensed by axial force
Device loads electric cylinders in the axial direction and issues instruction, stretches out the output shaft of axially loaded electric cylinders, the output shaft of axially loaded electric cylinders passes through
Axial loading device acts on the end face of bearing outer ring to be measured, applies the axial force of setting to bearing to be measured, and axial displacement passes
Change in displacement situation of the bearing to be measured after axially loaded is fed back to control system by sensor.Control system receives radial displacement sensing
After the information of device and shaft position sensor feedback, by the static strength of the algorithm of setting you can get it bearing to be measured, and can
It is shown by Industry Control computer.
When resistance to vibration detects: starting electro spindle makes electro spindle drive bearing operation to be measured, bearing to be measured by test axis
It is detected under operating condition referring to static strength detection mode, the resistance to vibration of you can get it bearing to be measured.
Lubricating oil is heated to the temperature needed, then led to by analog gearbox oil temperature of the present invention, Lubricating oil heating device
It crosses thermal insulation tubing to convey into test cabin, to ensure that the oil temperature for reaching test cabin is not cooled rapidly；Due to being come out from test cabin
Lubricating oil to take away a large amount of heat, temperature can be very high, oil return at this time using the first refrigerator be quickly cooled down, to prevent from lubricating
High oil temperature in oil heating unit；Corresponding load electric cylinders are cooperated using force snesor, can fast accurate loaded, to
It surveys bearing axis direction to apply axial force, apply radial force with axially vertical direction, the result detected in this way is more acurrate, can
Lean on, detection it is high-efficient.
The high revolving speed met the requirements is provided using electro spindle, the revolving speed under different operating conditions can be set by frequency converter.Electricity is main
Axis and the second external refrigerator form water-flow circuit, can take away the work calories of electro spindle, by recirculated water to ensure
The performance and service life of electro spindle.
The radial displacement transducer is mounted on the cylinder body of radial loaded electric cylinders, and the probe of the radial displacement transducer is flat
Row is in the output shaft of radial loaded electric cylinders, and the probe of radial displacement transducer is connect with first clamping plate, and first clamping plate is held tightly
On the output shaft of radial loaded electric cylinders.The above structure one side radial displacement transducer is easy for installation, and fixing is good；Another party
Face, the probe of radial displacement transducer can the radial loaded change in displacement of sync response bearing to be measured, to ensure inspection result
Accuracy.
The shaft position sensor is mounted on the cylinder body of axially loaded electric cylinders, and the probe of the shaft position sensor is flat
Row is in the output shaft of axially loaded electric cylinders, and the probe of shaft position sensor is connect with second clamping plate, and second clamping plate is held tightly
On the output shaft of axially loaded electric cylinders.The above structure one side shaft position sensor is easy for installation, and fixing is good；Another party
Face, the probe of shaft position sensor can the axial loaded change in displacement of sync response bearing to be measured, to ensure inspection result
Accuracy.
First temperature sensor is housed on the test cabin, the probe of first temperature sensor protrudes into test cabin.
First temperature sensor, when oil temperature is lower than setting value, can pass through lubrication for constantly measuring the Lubricating Oil Temperature in test cabin
Oil heating unit supplements hot oil into test cabin, to ensure that the oil temperature in test cabin is met the requirements always.
In order to accurately control the oil temperature in Lubricating oil heating device, second temperature is housed on the Lubricating oil heating device
The probe of sensor, the second temperature sensor protrudes into the inner cavity of Lubricating oil heating device.
In order to accurately control the flow that lubricating oil enters test cabin, flowmeter is in series on the thermal insulation tubing.
Oil mist lubricator is installed on the air inlet of the electro spindle, the import of the oil mist lubricator and the first of connector connect
Mouth connection, the second interface of connector are connect with air inlet pipe, and the third interface of connector is connect with pressure-failure protector.The above structure electricity master
Axis uses fog lubrication, and gas supply end uses under-voltage protection, electro spindle can be protected not to be burned under no air pressure；Meanwhile in conjunction with
The temperature of electro spindle is quickly cooled down, it is ensured that electro spindle is durable by water-flow circuit by the second refrigerator.
The utility model has the advantages that the present invention can simulate gearbox oil temperature, and temperature-controllable, flow are adjusted and have and constantly show
Traffic engineering capability；The present invention realize automobile speed variator bearing it is static under loaded intensity detection, high temperature dynamic rotary it is loaded lower dynamic strong
Degree detection, testing result is accurate, reliable, and detection efficiency is high.Of the invention novel in design, structure is simple, and it is full-automatic to realize equipment
Change the functions such as control, high-precision load, high speed rotation, lubricating oil intelligence high-temperature heating, Precision measurement, to develop transmission bearing
Effective bearing static strength, resistance to vibration data are provided, provide reliable detection means for new product verifying, while being also change
Fast device bearing intensity and Life Relation study the data that provide the foundation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in Figure 1, installing test cabin 2 on equipment platform 1, which (does not draw for accommodating bearing to be measured in figure
Out), the door of test cabin 2 can be opened and closed, in order to be removed or placed into bearing to be measured.It is passed on test cabin 2 equipped with the first temperature
Sensor 17, the probe of first temperature sensor 17 protrude into test cabin 2.Worn in test cabin 2 test axis 3, test axis 3 with
Test cabin 2 is rotatably connected, and test axis 3 is for installing bearing to be measured.
As shown in Figure 1, in test cabin 2, radial loaded electric cylinders 4 are arranged in side in the front-back direction, and other side setting lubricating oil adds
Thermal 5.The cylinder body of radial loaded electric cylinders 4 is fixed with 1 phase of equipment platform, and is installed on the cylinder body of radial loaded electric cylinders 4 radial
Displacement sensor 6, the probe of the radial displacement transducer 6 are parallel to the output shaft of radial loaded electric cylinders 4, radial displacement transducer
6 probe is connect with first clamping plate 15, and first clamping plate 15 is held tightly on the output shaft of radial loaded electric cylinders 4.
As shown in Figure 1, the output shaft of radial loaded electric cylinders 4 and radial loading device 7 are coaxially connected, in radial loaded electric cylinders
Radial force sensor A is installed between 4 output shaft and radial loading device 7.The loading head of radial loading device 7 is located at test cabin
In 2, and the periphery of face bearing outer ring to be measured.Second temperature sensor 18 is housed on Lubricating oil heating device 5, this second
The probe of temperature sensor 18 protrudes into the inner cavity of Lubricating oil heating device 5.The oil outlet of Lubricating oil heating device 5 passes through heat preservation
Oil pipe 8 is connect with the oil inlet of test cabin 2, and flowmeter 19 is in series on thermal insulation tubing 8.The oil outlet of test cabin 2 passes through oil
Pipe is connected after the first refrigerator 9, is connect with the oil return opening of Lubricating oil heating device 5.
As shown in Figure 1, electro spindle 10 is arranged in the side of 2 left and right directions of test cabin, axially loaded electric cylinders are arranged in the other side
11.The output shaft of electro spindle 10 is connect by shaft coupling with test axis 3, and electro spindle 10 carries cooling passage, and the coolant liquid is logical
The inlet and outlet in road pass through water pipe respectively and connect with the second refrigerator 12, form water-flow circuit.On the air inlet of electro spindle 10
Oil mist lubricator 20 is installed, the import of the oil mist lubricator 20 is connect with the first interface of connector 21, the second interface of connector 21
It is connect with air inlet pipe 22, the third interface of connector 21 is connect with pressure-failure protector 23.
As shown in Figure 1, the cylinder body of axially loaded electric cylinders 11 is fixed on equipment platform 1, the cylinder body of axially loaded electric cylinders 11
Upper installation shaft position sensor 13, the probe of the shaft position sensor 13 are parallel to the output shaft of axially loaded electric cylinders 11,
And the probe of shaft position sensor 13 is connect with second clamping plate 16, second clamping plate 16 holds the output in axially loaded electric cylinders 11 tightly
On axis.The output shaft and axial loading device 14 of axially loaded electric cylinders 11 are coaxially connected, in the output shaft of axially loaded electric cylinders 11
Axial force transducer B is installed between axial loading device 14, the loading head of axial loading device 14 is located in test cabin 2, and
The end face of face bearing outer ring to be measured.
As shown in Figure 1, the present invention is additionally provided with Industry Control computer 24 and control system 25, Industry Control computer 24 is used for
To the sendings instruction such as load electric cylinders, electro spindle；Control system 25 is used to receive the signal of each sensor feedback, after treatment into
One step issues instruction or shows result by Industry Control computer 24.
Working principle of the present invention is as follows:
When static strength detects: bearing to be measured is stationary, and Industry Control computer 24 passes through radial force sensor A to radial direction
Load electric cylinders 4 issue instruction, stretch out the output shaft of radial loaded electric cylinders 4, and the output shaft of radial loaded electric cylinders 4 is added by radial
It carries and sets 7 and act on the periphery of bearing outer ring to be measured, apply the radial force of setting, radial displacement transducer to bearing to be measured
Change in displacement situation of the bearing to be measured after radially loaded is fed back to control system 25 by 6；Meanwhile Industry Control computer 24 passes through axis
Electric cylinders 11 are loaded in the axial direction to force snesor B and issue instruction, stretch out the output shaft of axially loaded electric cylinders 11, axially loaded electric cylinders
11 output shaft is acted on the end face of bearing outer ring to be measured by axial loading device 14, applies the axis of setting to bearing to be measured
Change in displacement situation of the bearing to be measured after axially loaded is fed back to control system 25 by Xiang Li, shaft position sensor 13.Control
After system 25 receives the information that radial displacement transducer 6 and shaft position sensor 13 are fed back, it can be obtained by the algorithm of setting
The static strength of bearing to be measured out, and can be shown by Industry Control computer.
When resistance to vibration detects: starting electro spindle 10 makes electro spindle 10 drive bearing operation to be measured by testing axis 3, to
It surveys bearing to be detected under operating condition referring to static strength detection mode, the resistance to vibration of you can get it bearing to be measured.
For the present invention when detection, Lubricating oil heating device 5 is by included oil pump by the lubricating oil after heating to examination
Testing position 2 conveys, and conveying uses thermal insulation tubing 8, to ensure that the oil temperature for reaching test cabin 2 is not cooled rapidly.Pass through flowmeter 19
The feed flow of adjustable lubricating oil, and flow can constantly be shown.Since the lubricating oil come out from test cabin 2 will be taken away
A large amount of heat, temperature can be very high, and oil return at this time is quickly cooled down using the first refrigerator 9, to prevent in Lubricating oil heating device
High oil temperature.First temperature sensor 17 is used to measure the Lubricating Oil Temperature in test cabin 2, can when oil temperature is lower than setting value
Hot oil is supplemented into test cabin 2 by Lubricating oil heating device 5, to ensure that the oil temperature in test cabin 2 is met the requirements always；Second
Temperature sensor 18 is used to measure the oil temperature in Lubricating oil heating device, makes oil temperature controllable precise.Pressure-air passes through air inlet pipe
22 will be sent into electro spindle 10 after the lubricating oil atomization in oil mist lubricator 20, make electro spindle 10 using fog lubrication, ensuring to moisten
While sliding effect, lubricating oil can be effectively saved；Supply end use under-voltage protection, can protect electro spindle 10 under no air pressure not
It is burned；Meanwhile the water-flow circuit formed in conjunction with the second refrigerator 12 with electro spindle 10, it is by the second refrigerator 12 that electricity is main
The temperature of axis 10 is quickly cooled down, it is ensured that electro spindle is durable.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (7)
1. a kind of automobile speed variator bearing static strength and resistance to vibration detection device, including equipment platform (1), feature exists
In: installation test cabin (2) on the equipment platform (1), the test cabin (2) is interior to wear test axis (3), and test axis (3) is used for
Bearing to be measured is installed；
In the test cabin (2), radial loaded electric cylinders (4) and Lubricating oil heating device (5) are respectively set in two sides in the front-back direction,
It is connected with radial displacement transducer (6) on the output shaft of the radial loaded electric cylinders (4), and the output of radial loaded electric cylinders (4)
Axis is connect with radial loading device (7), installs diameter between the output shaft and radial loading device (7) of radial loaded electric cylinders (4)
To force snesor (A), the loading head of the radial loading device (7) is located in test cabin (2), and face bearing outer ring to be measured
Periphery；The oil outlet of the Lubricating oil heating device (5) is connect by thermal insulation tubing (8) with the oil inlet of test cabin (2), is tried
The oil outlet of testing position (2) is connected by oil pipe after the first refrigerator (9), is connect with the oil return opening of Lubricating oil heating device (5)；
Electro spindle (10) and axially loaded electric cylinders (11), electro spindle is respectively set in the two sides of the test cabin (2) left and right directions
(10) output shaft is connect by shaft coupling with test axis (3), and electro spindle (10) carries cooling passage, the cooling passage
Inlet and outlet are connect by water pipe with the second refrigerator (12) respectively, form water-flow circuit；In the axially loaded electric cylinders (11)
Output shaft on be connected with shaft position sensor (13), and the output shaft and axial loading device of axially loaded electric cylinders (11)
(14) it connects, axial force transducer (B) is installed between the output shaft and axial loading device (14) of axially loaded electric cylinders (11),
The loading head of the axial loading device (14) is located in test cabin (2), and the end face of face bearing outer ring to be measured.
2. automobile speed variator bearing static strength as described in claim 1 and resistance to vibration detection device, it is characterised in that: institute
It states radial displacement transducer (6) to be mounted on the cylinder body of radial loaded electric cylinders (4), the probe of the radial displacement transducer (6) is flat
Row is in the output shaft of radial loaded electric cylinders (4), and the probe of radial displacement transducer (6) is connect with first clamping plate (15), and first
Clamping plate (15) is held tightly on the output shaft of radial loaded electric cylinders (4).
3. automobile speed variator bearing static strength as claimed in claim 1 or 2 and resistance to vibration detection device, feature exist
In: the shaft position sensor (13) is mounted on the cylinder body of axially loaded electric cylinders (11), the shaft position sensor (13)
Probe be parallel to the output shafts of axially loaded electric cylinders (11), and the probe of shaft position sensor (13) and second clamping plate (16)
Connection, second clamping plate (16) are held tightly on the output shaft of axially loaded electric cylinders (11).
4. automobile speed variator bearing static strength as described in claim 1 and resistance to vibration detection device, it is characterised in that:
The first temperature sensor (17) are housed on the test cabin (2), the probe of first temperature sensor (17) protrudes into test cabin (2)
It is interior.
5. automobile speed variator bearing static strength as described in claim 1 or 4 and resistance to vibration detection device, feature exist
In: equipped with second temperature sensor (18), the probe of the second temperature sensor (18) on the Lubricating oil heating device (5)
It protrudes into the inner cavity of Lubricating oil heating device (5).
6. automobile speed variator bearing static strength as claimed in claim 5 and resistance to vibration detection device, it is characterised in that:
Flowmeter (19) are in series on the thermal insulation tubing (8).
7. automobile speed variator bearing static strength and resistance to vibration detection device as described in claim 1 or 4 or 6, feature
Be: on the air inlet of the electro spindle (10) install oil mist lubricator (20), the import of the oil mist lubricator (20) with connect
The first interface connection of head (21), the second interface of connector (21) connect with air inlet pipe (22), the third interface of connector (21) and
Pressure-failure protector (23) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023467.2A CN109115496A (en) | 2018-09-03 | 2018-09-03 | A kind of automobile speed variator bearing static strength and resistance to vibration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023467.2A CN109115496A (en) | 2018-09-03 | 2018-09-03 | A kind of automobile speed variator bearing static strength and resistance to vibration detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109115496A true CN109115496A (en) | 2019-01-01 |
Family
ID=64861845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811023467.2A Pending CN109115496A (en) | 2018-09-03 | 2018-09-03 | A kind of automobile speed variator bearing static strength and resistance to vibration detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109115496A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479641A (en) * | 2019-09-02 | 2019-11-22 | 南昌航空大学 | A kind of quality inspection automation equipment for aircraft bearing |
| CN110809337A (en) * | 2019-09-29 | 2020-02-18 | 洛阳轴承研究所有限公司 | Electrical heating ring type bearing heating tool |
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