CN106769044A - A kind of flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device - Google Patents
A kind of flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device Download PDFInfo
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- CN106769044A CN106769044A CN201611221816.2A CN201611221816A CN106769044A CN 106769044 A CN106769044 A CN 106769044A CN 201611221816 A CN201611221816 A CN 201611221816A CN 106769044 A CN106769044 A CN 106769044A
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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
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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
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems
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- Aviation & Aerospace Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device, including electro spindle, loading device, auxiliary hydraulic device, Pneumatic auxiliary device, described electro spindle and loading device are connected with each other with auxiliary hydraulic device by oil pipe, the electro spindle is linked together with the Pneumatic auxiliary device by tracheae, the auxiliary hydraulic device is used to realize the cooling down operation to the electro spindle, to the lubrication operation of the loading device, the Pneumatic auxiliary device is used to realize that the clamping of the electro spindle and the loading device is operated with release, oil return operation after the loading device lubrication.Compared to existing technology, the present invention provides a set of cooling system, a set of pneumatic pinch and back-off assembly and a set of lubricating system for flexible precise thin-wall bearing failure diagnosis life test machine, lubricating oil return is more cleverly solved the problems, such as, there is clever structure, simple to operate, safe and reliable, high degree of automation.
Description
Technical field
Supporting hydraulic pressure and air pressure auxiliary the present invention relates to be used for flexible precise thin-wall bearing failure diagnosis life test machine
Device, is particularly suited for the accurate flexibility thin-walled bearing failure diagnosis of harmonic speed reducer, particularly a kind of to be based on sensor technology
Life test testing machine hydraulic pressure and Pneumatic auxiliary device, belong to mechanical fault diagnosis field.
Technical background
Harmonic speed reducer is that one kind makes flexbile gear produce controlled elasticity to deform by wave producer, using the controllable bullet of flexible bearing
Property deformation carry out motion and power transmission.Harmonic speed reducer has that speed reducing ratio high, quality be small, lightweight, transmission as one kind
The decelerator of precision grade premium properties high, is acknowledged as the robot travelling gear of " fitst water ", is widely used in various
In the transmission system in the fields such as spacecraft, airship, robot, radar equipment, Medical Devices.
Accurate flexibility thin-wall bearing is the core component of harmonic speed reducer, and the overall performance to harmonic speed reducer is played to pass
Important effect.Accurate flexibility thin-wall bearing in working order under, be subjected to and thin-wall bearing inner ring precision-fit elliptical shaft
It is crowded swollen under elastic deformation, and still suffer from because of the alternate stress that itself operating is produced, and in the undesirable feelings of operating mode
Under condition, still suffer from from extraneous different static load or dynamic load power.Therefore, the research and development of flexible thin-wall bearing are used in harmonic speed reducer
During, it should accurate flexibility thin-walled antiwhip, rotating accuracy and life-span are tested, treats that properties reach
It is required that after could invested in plant metaplasia produce, and then the bottleneck problem of China's industrial robot kernel component is solved, to realize me
The industrialization and extensive use of state's industrial robot provide support, but both at home and abroad for flexible thin-wall bearing and its life test machine
Seldom had been reported that with flexible thin-walled method for diagnosing faults, and flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device
It is rarer to report for work.
The development of the accurate flexibility thin-walled bearing failure diagnosis of harmonic speed reducer and life test machine should mould as far as possible
Intend the life test under flexible thin-wall bearing actual condition.And good hydraulic pressure in flexible thin-wall bearing and its life test machine
And Pneumatic auxiliary device is the basis for ensureing failure and the continuous work of life test machine, the present invention provides a kind of flexible thin-wall bearing
Life test machine hydraulic pressure and Pneumatic auxiliary device, are a kind of auxiliary of flexible precise thin-wall bearing failure diagnosis life test machine
Device.
The content of the invention
It is an object of the invention to provide sound of the flexible thin-wall bearing under actual condition in a kind of simulation harmonic speed reducer
The fault diagnosis of two kinds of load modes and the servicing unit of life test testing machine, so as to ensure fault diagnosis and life test examination
Machine is tested continuously reliably to be run in the test bearing life-span.
The present invention adopts the following technical scheme that realization：
A kind of flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device, including electro spindle, loading device, hydraulic pressure are auxiliary
Device, Pneumatic auxiliary device are helped, described electro spindle and loading device are connected with each other with auxiliary hydraulic device by oil pipe, described
Electro spindle is linked together with the Pneumatic auxiliary device by tracheae, and the auxiliary hydraulic device is used to realize to the electricity master
The cooling down operation of axle, the lubrication operation to the loading device, the Pneumatic auxiliary device are used to realize the electro spindle and institute
Oil return operation after stating the clamping of loading device and unclamping operation, loading device lubrication.
Further, described auxiliary hydraulic device includes that fuel tank, main transfer tube, overflow valve, pressure gauge, cooling electromagnetism are changed
It is unidirectional to valve, lubrication solenoid directional control valve, cooling pressure-reducing valve, lubrication pressure-reducing valve, oil pipe, lubrication inlet nozzle, lubrication oil outlet, oil return
Valve, filter, cooling oil nozzle and clamping and release valve, described main transfer tube, overflow valve, pressure gauge, cooling electromagnetic switch
Valve, lubrication solenoid directional control valve, cooling pressure-reducing valve, lubrication pressure-reducing valve and return check valve are bolted on fuel tank, described
Overflow valve is connected with the oil-out of the main transfer tube and is connected the pressure gauge on oil pipe, the main transfer tube with it is described
Cooling solenoid directional control valve is connected with the oil inlet P of the lubrication solenoid directional control valve, cooling solenoid directional control valve and the profit
The oil return inlet T oil pipe of sliding solenoid directional control valve puts the fuel tank, the oil-out A connections of the cooling solenoid directional control valve into after being connected
The cooling pressure-reducing valve, the cooling pressure-reducing valve other end is connected by the cooling oil nozzle that oil pipe is provided with the electro spindle
Together, the oil return opening B of the cooling solenoid directional control valve is connected by oil pipe with cooling oil nozzle, the lubrication solenoid directional control valve
Oil-out A ends connect the lubrication pressure-reducing valve, the lubrication pressure-reducing valve other end is by setting on oil pipe and loading device
Lubrication inlet nozzle is connected, and lubrication oil outlet set on the loading device is connected with return check valve, the oil return
The check valve other end is connected with filter, and the filter other end is connected with the oil return opening B of lubrication solenoid directional control valve.
Further, described Pneumatic auxiliary device includes that air pump, moisture separator, clamping and release reversal valve, oil return are changed
To valve, tracheae and clamp and unclamp valve, the gas outlet connection moisture separator of described air pump, the moisture separator goes out
Mouthful end is connected with the air inlet P of clamping and release reversal valve, the moisture separator port of export with also enter with oil return reversal valve
Gas port P is connected, the gas outlet A and gas returning port B of the clamping and release reversal valve respectively with the clamping that sets on electro spindle and pine
Open valve to be connected, the gas outlet A of the oil return reversal valve is connected with the oil return opening B of lubrication solenoid directional control valve.
Further, also including heat abstractor, the heat abstractor is arranged on the top of the fuel tank of auxiliary hydraulic device, uses
Hydraulic oil in fuel tank is cooled down.
Further, described heat abstractor includes radiating oil pump and radiator, and described radiating oil pump sets with radiator
Put on fuel tank, the oil inlet connection fuel tank of the oil pump that radiates, the oil inlet of the radiator is connected with the oil-out of radiating oil pump
Connect, the straight-through fuel tank of oil-out of the radiator.
Further, described radiator is fan-cooled radiator.
Compared to existing technology, it is of the invention for flexible precise thin-wall bearing failure diagnosis life test machine provides a set of cooling
System, a set of pneumatic pinch and back-off assembly and a set of lubricating system, are meeting life test machine self-lubricate, cooling, are clamping
On the premise of release function, due to not having pressure automatic oil return difficult to realize on the oil return line of axial loading device, so
Oil return solenoid valve, filter and check valve are set up according to siphonage, so that lubricating oil return is more cleverly solved the problems, such as,
The present invention has the advantages that clever structure, simple to operate, safe and reliable, high degree of automation.
Brief description of the drawings
Fig. 1 is the flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device connection signal of the embodiment of the present invention
Figure.
Fig. 2 is the structural representation of the fault diagnosis life test machine of the embodiment of the present invention.
Shown in figure：1 is fuel tank, 2 is main transfer tube, 3 is overflow valve, 4 is pressure gauge, 5 is to cool down solenoid directional control valve, 6
For lubrication solenoid directional control valve, 7 for cooling pressure-reducing valve, 8 for lubrication pressure-reducing valve, 9 be oil pipe, 10 for lubrication inlet nozzle, 11 for lubrication
Oil outlet, 12 be return check valve, 13 be filter, 14 be air pump, 15 be moisture separator, 16 be clamping and release reversal valve,
17 be tracheae, 18 be oil return reversal valve, 19 for radiating oil pump, 20 be radiator, 21 for cooling oil nozzle, 22 for clamp with unclamp gas
Mouth, 23 be electro spindle, 24 be loading device.
Specific embodiment
Following specific embodiment carries out the detailed description of a step to the purpose of the present invention, and embodiment can not herein one by one
Repeat, but therefore embodiments of the present invention are not defined in following examples：
As shown in Figures 1 and 2：A kind of flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device, including electro spindle
23rd, loading device 24, auxiliary hydraulic device, heat abstractor, Pneumatic auxiliary device, described electro spindle 23 and loading device 24 with
Auxiliary hydraulic device is connected with each other by oil pipe 9, and the electro spindle 23 is connected to the Pneumatic auxiliary device by tracheae 17
Together, the auxiliary hydraulic device is used to realize the cooling down operation to the electro spindle 23, the lubrication to the loading device 24
Operation, the Pneumatic auxiliary device is used to realize clamping and release operation, the institute of the electro spindle 23 and the loading device 24
State the oil return operation after loading device 24 lubricates.The heat abstractor is arranged on the top of the fuel tank 1 of auxiliary hydraulic device, is used for
Hydraulic oil in fuel tank 1 is cooled down.
Specifically, described auxiliary hydraulic device includes fuel tank 1, main transfer tube 2, overflow valve 3, pressure gauge 4, cooling electricity
Magnetic reversal valve 5, lubrication solenoid directional control valve 6, cooling pressure-reducing valve 7, lubrication pressure-reducing valve 8, oil pipe 9, lubrication inlet nozzle 10, lubrication are fuel-displaced
Mouth 11, return check valve 12, filter 13, cooling oil nozzle 21 and clamping and release valve 22, described main transfer tube 2, overflow
Valve 3, pressure gauge 4, cooling solenoid directional control valve 5, lubrication solenoid directional control valve 6, cooling pressure-reducing valve 7, lubrication pressure-reducing valve 8 and oil return are unidirectional
Valve 12 is bolted on fuel tank 1, and the overflow valve 3 is connected and on oil pipe with the oil-out of the main transfer tube 2
Connect the pressure gauge 4, the main transfer tube 2 and the cooling solenoid directional control valve 5 and the oil-feed for lubricating solenoid directional control valve 6
Mouth P is connected, and the cooling solenoid directional control valve 5 is put into after being connected with the oil return inlet T oil pipe 9 of the lubrication solenoid directional control valve 6
The fuel tank 1, the oil-out A connections cooling pressure-reducing valve 7 of the cooling solenoid directional control valve 5, the cooling pressure-reducing valve 7 is another
End is connected together by the cooling oil nozzle 21 that oil pipe 9 is provided with the electro spindle 23, the cooling solenoid directional control valve 5
Oil return opening B is connected by oil pipe 9 with cooling oil nozzle 21, and the oil-out A ends of the lubrication solenoid directional control valve 6 connect the lubrication
Pressure-reducing valve 8, lubrication pressure-reducing valve 8 other end is connected by oil pipe 9 with the lubrication inlet nozzle 10 set on loading device 24,
Lubrication oil outlet 11 set on the loading device 24 is connected with return check valve 12, and the return check valve 12 is another
End is connected with filter 13, and the other end of the filter 13 is connected with the oil return opening B of lubrication solenoid directional control valve 6.
Specifically, described Pneumatic auxiliary device include air pump 14, moisture separator 15, clamping and release reversal valve 16,
Oil return reversal valve 18, tracheae 17 and clamping connect moisture separator 15, institute with valve 22, the gas outlet of described air pump 14 is unclamped
State the port of export of moisture separator 15 to be connected with the air inlet P of clamping and release reversal valve 16, the moisture separator 15 is exported
End is connected with the air inlet P also with oil return reversal valve 18, gas outlet A and gas returning port B point of the clamping and release reversal valve 16
It is not connected with valve 22 is unclamped with the clamping set on electro spindle 23, gas outlet A and the lubrication electricity of the oil return reversal valve 18
The oil return opening B of magnetic reversal valve 6 is connected.
Specifically, described heat abstractor includes radiating oil pump 19 and radiator 20, and described radiator 20 is air-cooled
Formula radiator, described radiating oil pump 19 is arranged on fuel tank 1 with radiator 20, the oil inlet connection fuel tank 1 of the oil pump 19 that radiates,
The oil inlet of the radiator 20 is connected with the oil-out of radiating oil pump 19, the straight-through fuel tank 1 of oil-out of the radiator 20.
The specific work process of the present embodiment is as follows：
When flexible precise thin-wall bearing failure diagnosis life test machine is started, general supply is started first to device power, then
Start the flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device of the present embodiment：Start main transfer tube 2, gas first
Pump 14 and radiating oil pump 19, now heat abstractor start-up operation, by wind cooling temperature lowering, meanwhile, clamping and release reversal valve 16 works
In the first operating position magnetic valve no power, the air inlet P and gas outlet A of clamping and release reversal valve 16 are connected, and can make electro spindle
23 clamp bearing Mounting device, prevent electro spindle 23 from throwing away bearing Mounting device in rotary course, if clamping and release
Reversal valve 16 is operated in the second operating position solenoid valves, and the air inlet P and gas returning port B of clamping and release reversal valve 16 are connected,
Can now carry out changing the bearing Mounting device operation on electro spindle 23, meanwhile, oil return reversal valve 18 is operated in the first working position
Put magnetic valve no power, the air inlet P and gas outlet A of oil return reversal valve 18 are connected, now the meeting on lubricating oil return this pipeline
Negative pressure is produced, the lubricating oil for overstocking loading device 24 returns to lubrication electromagnetism and changes by return check valve 12 and filter 13
To the oil return opening B of valve 6, after lubrication solenoid directional control valve 6 obtains electric, lubricating oil can be made to return to fuel tank 1；Second step starts cooling electromagnetism
Reversal valve 5 with lubrication solenoid directional control valve 6, make electro spindle 23 there is cutting oil to pass through, can by adjust cooling pressure-reducing valve 7 come
The flow velocity of cutting oil is adjusted, while starting lubrication solenoid directional control valve 6 loading device 24 can be made to obtain lubricating oil, then by gas
Be sucked back into fluid after lubrication in fuel tank 1 by the negative pressure that pump 14 is produced, and is changed with lubrication electromagnetism in not actuated cooling solenoid directional control valve 5
When to valve 6, the oil of the pump of main transfer tube 2 is directly by the oil inlet P mouthful of cooling solenoid directional control valve 5 to the direct oil return box of oil return inlet T
1。
The embodiment is only preferably example of the invention, is not the restriction to embodiment of the present invention, right
For those of ordinary skill in the art, can also be made on the basis of the explanation other multi-forms change or
Change, it is all to be made within the spirit and principles in the present invention there is no need and unable to being exhaustive to all of implementation method
Any modification, equivalent and improvement etc., should be included within claims of the invention.
Claims (6)
1. a kind of flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device, including electro spindle (23), loading device
(24), auxiliary hydraulic device, Pneumatic auxiliary device, it is characterised in that:Described electro spindle (23) and loading device (24) and liquid
Pressure servicing unit is connected with each other by oil pipe (9), and the electro spindle (23) is connected with the Pneumatic auxiliary device by tracheae (17)
It is connected together, the auxiliary hydraulic device is used to realize to the cooling down operation of the electro spindle (23), to the loading device
(24) lubrication operation, the Pneumatic auxiliary device is used to realize the clamping of the electro spindle (23) and the loading device (24)
Operated with the oil return after unclamping operation, the loading device (24) lubrication.
2. the flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device according to claim (1), its feature
It is：Described auxiliary hydraulic device includes that fuel tank (1), main transfer tube (2), overflow valve (3), pressure gauge (4), cooling electromagnetism are changed
To valve (5), lubrication solenoid directional control valve (6), cooling pressure-reducing valve (7), lubrication pressure-reducing valve (8), oil pipe (9), lubrication inlet nozzle (10),
Lubrication oil outlet (11), return check valve (12), filter (13), cooling oil nozzle (21) and clamping and release valve (22), institute
Main transfer tube (2), overflow valve (3), pressure gauge (4), cooling solenoid directional control valve (5), lubrication solenoid directional control valve (6), the cooling stated
Pressure-reducing valve (7), lubrication pressure-reducing valve (8) and return check valve (12) are bolted on fuel tank (1), the overflow valve (3)
Be connected with the oil-out of the main transfer tube (2) and be connected the pressure gauge (4) on oil pipe, the main transfer tube (2) with
Cooling solenoid directional control valve (5) is connected with the oil inlet P of lubrication solenoid directional control valve (6), the cooling electromagnetic switch
Valve (5) puts the fuel tank (1), the cooling into after being connected with the oil return inlet T oil pipe (9) of lubrication solenoid directional control valve (6)
The oil-out A connections cooling pressure-reducing valve (7) of solenoid directional control valve (5), described cooling pressure-reducing valve (7) other end passes through oil pipe
(9) the cooling oil nozzle (21) being provided with the electro spindle (23) is connected together, described to cool down returning for solenoid directional control valve (5)
Hydraulic fluid port B is connected by oil pipe (9) with cooling oil nozzle (21), and the oil-out A ends connection of lubrication solenoid directional control valve (6) is described
Lubrication pressure-reducing valve (8), lubrication pressure-reducing valve (8) other end is entered by oil pipe (9) with the lubrication of setting on loading device (24)
Oil nozzle (10) is connected, and set lubrication oil outlet (11) is connected with return check valve (12) on the loading device (24)
Connect, return check valve (12) other end is connected with filter (13), filter (13) other end with lubrication electromagnetism
The oil return opening B of reversal valve (6) is connected.
3. the flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device according to claim (1), its feature
It is：Described Pneumatic auxiliary device includes that air pump (14), moisture separator (15), clamping and release reversal valve (16), oil return are changed
To valve (18), tracheae (17) and clamping moisture separator is connected with valve (22), the gas outlet of described air pump (14) is unclamped
(15), the port of export of the moisture separator (15) is connected with the air inlet P of clamping and release reversal valve (16), the aqueous vapor point
It is connected with the air inlet P also with oil return reversal valve (18) from device (15) port of export, clamping and release reversal valve (16) go out
Gas port A is connected with the clamping set on electro spindle (23) with valve (22) is unclamped respectively with gas returning port B, the oil return reversal valve
(18) gas outlet A is connected with the oil return opening B of lubrication solenoid directional control valve (6).
4. the flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device according to claim (1), its feature
It is：Also include heat abstractor, the heat abstractor is arranged on the top of the fuel tank (1) of auxiliary hydraulic device, for fuel tank
(1) hydraulic oil in is cooled down.
5. the flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device according to claim (4), its feature
It is：Described heat abstractor includes radiating oil pump (19) and radiator (20), described radiating oil pump (19) and radiator
(20) be arranged on fuel tank (1), radiating oil pump (19) oil inlet connect fuel tank (1), the oil inlet of the radiator (20) with
The oil-out of radiating oil pump (19) is connected, the straight-through fuel tank (1) of oil-out of the radiator (20).
6. the flexible thin-walled bearing life testing machine hydraulic pressure and Pneumatic auxiliary device according to claim (5), its feature
It is：Described radiator (20) is fan-cooled radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221816.2A CN106769044B (en) | 2016-12-27 | 2016-12-27 | Hydraulic and pneumatic auxiliary device for flexible thin-wall bearing life testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221816.2A CN106769044B (en) | 2016-12-27 | 2016-12-27 | Hydraulic and pneumatic auxiliary device for flexible thin-wall bearing life testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN106769044A true CN106769044A (en) | 2017-05-31 |
| CN106769044B CN106769044B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611221816.2A Active CN106769044B (en) | 2016-12-27 | 2016-12-27 | Hydraulic and pneumatic auxiliary device for flexible thin-wall bearing life testing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318250A (en) * | 2018-05-03 | 2018-07-24 | 河南科技大学 | A kind of comprehensive test machine |
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| CN202811661U (en) * | 2012-08-10 | 2013-03-20 | 河南科技大学 | Double-pump double-oil-way hydraulic pressure station for ball-disc friction machine |
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| Publication number | Publication date |
|---|---|
| CN106769044B (en) | 2023-04-28 |
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