CN107764548A - The test system of freewheel clutch - Google Patents
The test system of freewheel clutch Download PDFInfo
- Publication number
- CN107764548A CN107764548A CN201711097999.6A CN201711097999A CN107764548A CN 107764548 A CN107764548 A CN 107764548A CN 201711097999 A CN201711097999 A CN 201711097999A CN 107764548 A CN107764548 A CN 107764548A
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- CN
- China
- Prior art keywords
- wet type
- type bridge
- oil
- double
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 230000008859 change Effects 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 50
- 239000002828 fuel tank Substances 0.000 claims description 9
- 239000012208 gear oil Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 3
- 241000196250 Prototheca Species 0.000 description 2
- 241001014327 Anodontia Species 0.000 description 1
- 206010002583 anodontia Diseases 0.000 description 1
- 230000005212 anodontia Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- 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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
Abstract
The invention discloses a kind of test system of freewheel clutch, including alternating current generator, double change assembly input shafts, input speed torque sensor, double change assemblies, double change assembly output shafts, output speed torque sensor, wet type bridge, wet type bridge brake fluid pressure control system, fluid cooling system；Described alternating current generator is connected by double change assembly input shafts with double power intakes for becoming assembly, and double clutch ends for becoming assembly are with passing through double change assembly output shafts and wet type bridge power connector；Described input speed torque sensor is arranged on double change assembly input shafts, and output speed torque sensor is arranged on double become on assembly output shaft.Due to the present invention using existing wet type bridge as loading brake apparatus, and by installing wet type bridge brake fluid pressure control system and fluid cooling system additional to existing wet type bridge, and partial reequipping is carried out to wet type bridge structure, it directly make use of existing product, design time is saved, has saved the construction cost of testing stand.
Description
Technical field
The present invention relates to a kind of vehicle equipment, more particularly to a kind of test system of freewheel clutch.
Background technology
Freewheel clutch is the basic part occurred with the development of electromechanical integrated product, and it is to be used for prime mover and work
Make between machine or the important component of power transmission and separation function between driving shaft and driven shaft inside machine.It is using it is main,
The velocity variations of secondary part or the conversion of direction of rotation, there is the device of voluntarily clutch function.In actual use, surpass
More clutch is the part most frequently to break down, thus freewheel clutch before dispatching from the factory, it is necessary to carry out a large amount of loading experiments, need
The testing stand of reliability test is wanted, the loading brake apparatus of traditional experiment platform, using hydraulic braking or motor braking, is on the one hand
Not in time, another aspect is, it is necessary to which separately fabricated loading brake apparatus, expense are larger for brake response.And due in practical application, it is whole
The loading brake apparatus of machine is wet type bridge, in order to more accurately simulate mounting means of the freewheel clutch on loading machine, driving
Mode, lubricating system, stand under load mode, we select loading brake apparatus of the wet type bridge as testing stand, but, because testing stand needs
Continuously to load and brake, oil temperature will be raised drastically in wet type bridge, will cause experiment must be temporarily more than set point of temperature
Stop.
The content of the invention
It is an object of the invention to provide a kind of test system of cheap, the stable freewheel clutch of cost.
To achieve the above object, technical solution of the invention is：
The present invention is a kind of test system of freewheel clutch, including alternating current generator, double change assembly input shafts, input speed torque
Sensor, double change assemblies, double change assembly output shafts, output speed torque sensor, wet type bridge, wet type bridge brake fluid pressure control system
System, fluid cooling system；Described alternating current generator is connected by double change assembly input shafts with double power intakes for becoming assembly, double
Become the clutch end of assembly with becoming assembly output shafts and wet type bridge power connector by double；Described input speed torque sensing
Device is arranged on double change assembly input shafts, and output speed torque sensor becomes on assembly output shaft installed in double, the wet type bridge
Brake fluid pressure control system is used for the braking and disengagement for controlling wet type bridge, and the fluid cooling system is used to cool down out of wet type bridge
Derived gear oil.
Described wet type bridge includes semiaxis, planetary wheel carrier, planetary gear, ring gear, sun gear；Described sun gear fixed cover
It is connected on semiaxis, the outer wall of sun gear is shiny surface and relative with planetary gear, and planetary gear is rotatably mounted on planetary wheel carrier,
Planetary gear engages with ring gear.
Described fluid cooling system includes gear pump, cooling oil box, radiator；The oil-out of described gear pump passes through
Flowline is connected with oil circuit entrance in wet type bridge, and the oil inlet of gear pump is connected by cooling down inflow pipeline with cooling oil box,
Oil suction filter core is installed at cooling oil inlet pipe road junction, oil circuit outlet is by cooling down flowline and cooling oil box company in wet type bridge
It is logical, it is serially connected with radiator and oil return filter core on the cooling flowline.
Described wet type bridge brake fluid pressure control system includes pioneer pump, magnetic valve, control fuel tank；Described pioneer pump peace
On the power taking mouth of double change assemblies, the oil-out of pioneer pump is by oil communication in flowline and wet type bridge, in flowline
Magnetic valve is installed, the oil inlet of pioneer pump is connected with control fuel tank by inflow pipeline, is provided with inflow pipeline on road
Oil suction filter core；
The oil-out of described pioneer pump is connected by the P mouths in flowline and magnetic valve, and the T mouths of magnetic valve pass through oil return pipe
Road is connected with control fuel tank, and oil return filter core is provided with oil returning tube.
After such scheme, wet type is added as loading brake apparatus using existing wet type bridge due to the present invention
Bridge fluid cooling system simultaneously to wet type bridge structure carry out partial reequipping, by wet type bridge prototheca sun gear with teeth be changed to outer wall without
The sun gear of tooth so that sun gear will not engage with planetary gear, and sun gear will not drive planetary gear to rotate when rotating, by direct
Existing product is make use of, saves design time, has saved the construction cost of testing stand, and testing stand pair can also be passed through
Wet type bridge carries out reliability demonstration, and foundation is provided for the design improvement of wet type bridge.In addition, present invention simulation freewheel clutch completely
Mounting means, type of drive, lubricating system on loading machine, stand under load mode, relatively there is actual reference.Moreover, as examination
Bench run mode, the test period is substantially shorter, reduces cost of labor, save test period, while it is economical to reduce experiment
Cost.
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of wet type bridge of the present invention；
Fig. 3 is the sectional view of wet type bridge of the present invention；
Fig. 4 is the axonometric drawing of wet type bridge sun gear of the present invention；
Fig. 5 is the sectional view of wet type bridge sun gear of the present invention.
Embodiment
As shown in figure 1, the present invention is a kind of test system of freewheel clutch, including alternating current generator 1, double change assembly inputs
Axle 2, input speed torque sensor 3, double change assemblies 4, double change assembly output shafts 5, output speed torque sensor 6, wet type bridge
7th, wet type bridge brake fluid pressure control system 8, fluid cooling system 9.
Described alternating current generator 1 is connected by double change assembly input shafts 2 with double power intakes for becoming assembly 4, double to become total
Into 4 clutch end with passing through double change assembly output shafts 5 and the power connector of wet type bridge 7；Described input speed torque sensing
Device 3 is arranged on double change assembly input shafts 2, and output speed torque sensor 6 becomes on assembly output shaft 5 installed in double, to be tested
Overloading clutch be arranged on double become in assemblies 4.
Described wet type bridge brake fluid pressure control system 8 includes pioneer pump 81, magnetic valve 82, control fuel tank 83, oil suction filter
Core 84, oil return filter core 85.Described pioneer pump 81 is arranged on the power taking mouth of double change assemblies 4, and the oil-out of pioneer pump 81 passes through
Oil communication in flowline 86 and wet type bridge 7, is provided with magnetic valve 82 on flowline 86, i.e. pioneer pump 81 it is fuel-displaced
Mouth is connected by the P mouths with magnetic valve 82, and the oil inlet of pioneer pump 81 is connected by inflow pipeline with control fuel tank 83, in oil-feed
Oil suction filter core 84 is installed, the A mouths of magnetic valve 82 pass through flowline 86 and the internal oil channel UNICOM of wet type bridge 7, magnetic valve on pipeline
82 T mouths by oil returning tube with control fuel tank 83 connect, oil return filter core 85 is installed on oil returning tube, by computer from
And the braking and disengagement of wet type bridge are controlled, realize freewheel clutch wedging with disengaging.
As shown in Fig. 2 described fluid cooling system 9 includes gear pump 91, cooling oil box 92, radiator 93, oil suction filter
Core 94, oil return filter core 95.The oil-out of described gear pump 91 is connected by flowline with the entrance of oil circuit 710 in wet type bridge 7,
The oil inlet of gear pump 91 is connected by cooling down inflow pipeline with cooling oil box 92, and oil suction filter is provided with cooling oil inlet pipe road junction
Core 94, oil circuit 710 exports in wet type bridge 7 is connected by cooling down flowline with cooling oil box 92, on the cooling flowline
Radiator 93 and oil return filter core 95 are serially connected with, for cooling down the derived gear oil out of wet type bridge 7.
As shown in Figure 3-Figure 5, described wet type bridge 7 includes semiaxis 71, planetary wheel carrier 72, planetary gear 73, ring gear 74, too
Sun wheel 75；Described sun gear 75 is fixedly sleeved on semiaxis 71, the outer wall of sun gear 75 for shiny surface and with the phase of planetary gear 73
Right, planetary gear 73 is rotatably mounted on planetary wheel carrier 72, and planetary gear 73 engages with ring gear 74.Outside due to sun gear 75
Wall is shiny surface and relative with planetary gear 73 so that sun gear 75 will not engage with planetary gear 73, therefore during the operating of wet type bridge 7,
Sun gear 75 will not drive planetary gear 73 to rotate when rotating, and the shell of wet type bridge 7 will not be driven to rotate together, in that context it may be convenient to logical
Pipeline is crossed by the gear oil in the interior oil circuit 710 of wet type bridge 7 after the outlet on side wheel side importing radiator 93 is cooled down, then
Enter wet type bridge 7 from the import on another side wheel side, when solving traditional wet bridge 7 as loading brake apparatus, continuously
Heat caused by loading and braking, substantially increases the service life of wet type bridge 7, and overall operation is more stable, it is ensured that experiment length
Time is run.
The operation principle of the present invention：
As shown in Fig. 1, Fig. 3-Fig. 5, the present invention is by alternating current generator 1, input speed torque sensor 3, double change assemblies（Torque-converters and
Gearbox）4th, output speed torque sensor 6 forms testing stand hardware system using alternating-current variable frequency motor as motor, is super
More clutch provides power；Fixed installation and lubricating system using double change assemblies 4 as freewheel clutch；Using wet type bridge 7 as
The loading brake apparatus of freewheel clutch.Different from other freewheel clutch fatigue test boards, overdrive clutch is preferably simulated
Device is in the power form of complete machine, fixed form, lubrication operating mode, loading condition.
The present invention is provided with pioneer pump 81 on the power taking mouth of double change assemblies 4（It is consistent with complete machine）, for providing wet type bridge 7
Flow needed for braking, wet type bridge brake fluid pressure control system 8 are controlled by computer and commutated, and realize that braking switches with disengaging, so as to
Realize the wedging to freewheel clutch with disengaging Work condition analogue.In double change assembly 4 position measurement torque-converters inlet and outlet pressures, disengaging
Mouth flow, out temperature, in the input/output terminals of double change assemblies 4, its input and output rotational speed and torque is measured, the main double changes of monitoring
Whether assembly working condition and freewheel clutch working condition are normal, under damped condition, record test number (TN), when output turns
Square becomes hour, and corresponding test number (TN) is the life-span of freewheel clutch.
The prototheca of wet type bridge 7 sun gear 75 with teeth is changed to the anodontia sun gear 75 of outer wall by the present invention so that sun gear
75 will not engage with planetary gear 73, and sun gear 75 will not drive planetary gear 73 to rotate when rotating, and sun gear 75 is in idling conditions,
Will not be by shell with rotating together, so as to facilitate fixed -piping, in favor of external oil collecting liquid cooling system 9.Due to frequently braking
Wet type axle gear oil temperature will be caused to rise sharply, fluid cooling system 9 is connect by wet type bridge 7, fluid will be drawn from a side wheel side, through outside
Fluid cooling system 9 flows back to another side wheel side again, so circulation, you can guarantee test long-play.
It is described above, only present pre-ferred embodiments, therefore the scope that the present invention is implemented can not be limited with this, i.e., according to
The equivalent changes and modifications that scope of the present invention patent and description are made, it all should still belong to the model that patent of the present invention covers
In enclosing.
Claims (5)
- A kind of 1. test system of freewheel clutch, it is characterised in that：Turn including alternating current generator, double change assembly input shafts, input Fast torque sensor, double change assemblies, double change assembly output shafts, output speed torque sensor, wet type bridge, wet type bridge brake fluid pressure Control system, fluid cooling system；Described alternating current generator passes through double change assembly input shafts and double power intakes for becoming assembly Connection, double clutch ends for becoming assembly pass through double change assembly output shafts and wet type bridge power connector；Described output speed turns Square sensor is arranged on double change assembly input shafts, and input speed torque sensor becomes on assembly output shaft installed in double, described Wet type bridge brake fluid pressure control system is used for the braking and disengagement for controlling wet type bridge, and the fluid cooling system is used to cool down from wet Derived gear oil in formula bridge.
- 2. the test system of freewheel clutch according to claim 1, it is characterised in that：Described wet type bridge includes half Axle, planetary wheel carrier, planetary gear, ring gear, sun gear；Described sun gear is fixedly sleeved on semiaxis, and the outer wall of sun gear is Shiny surface and relative with planetary gear, planetary gear is rotatably mounted on planetary wheel carrier, and planetary gear engages with ring gear.
- 3. the test system of freewheel clutch according to claim 1, it is characterised in that：Described fluid cooling system bag Include gear pump, cooling oil box, radiator；The oil-out of described gear pump is connected by oil circuit entrance in flowline and wet type bridge Logical, the oil inlet of gear pump is connected by cooling down inflow pipeline with cooling oil box, and oil suction filter is provided with cooling oil inlet pipe road junction Core, in wet type bridge oil circuit outlet connected by cooling down flowline with cooling oil box, be serially connected with the cooling flowline scattered Hot device and oil return filter core.
- 4. the test system of freewheel clutch according to claim 1, it is characterised in that：Described wet type bridge brake fluid pressure Control system includes pioneer pump, magnetic valve, control fuel tank；Described pioneer pump is arranged on the power taking mouth of double change assemblies, guide The oil-out of pump is provided with magnetic valve, pioneer pump enters by oil communication in flowline and wet type bridge on flowline Hydraulic fluid port is connected by inflow pipeline with control fuel tank, and oil suction filter core is provided with inflow pipeline.
- 5. the test system of freewheel clutch according to claim 4, it is characterised in that：The oil-out of described pioneer pump Connected by the P mouths in flowline and magnetic valve, the T mouths of magnetic valve are connected by oil returning tube with control fuel tank, in oil return Oil return filter core is installed on pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711097999.6A CN107764548A (en) | 2017-11-09 | 2017-11-09 | The test system of freewheel clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711097999.6A CN107764548A (en) | 2017-11-09 | 2017-11-09 | The test system of freewheel clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107764548A true CN107764548A (en) | 2018-03-06 |
Family
ID=61272276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711097999.6A Pending CN107764548A (en) | 2017-11-09 | 2017-11-09 | The test system of freewheel clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107764548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060345A (en) * | 2018-08-09 | 2018-12-21 | 宁波华表机械制造有限公司 | A kind of No. ten thousand testing stands of clutch |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201580374U (en) * | 2009-12-04 | 2010-09-15 | 湖南中联重科专用车有限责任公司 | Independent braking cooling system of driving axle |
| CN202131032U (en) * | 2011-07-15 | 2012-02-01 | 长沙中联重工科技发展股份有限公司 | Brake hydraulic control system for luffing jib tower crane, and brake control system and device |
| CN202935089U (en) * | 2012-12-06 | 2013-05-15 | 安徽合力股份有限公司 | Multifunctional wet axle of 5-to-10-ton forklift |
| DE102013203852A1 (en) * | 2012-03-27 | 2013-10-02 | Schaeffler Technologies AG & Co. KG | Clutch devices for dual clutch assembly of powertrain to couple drive shaft of drive motor with transmission input shaft of gear box of motor car, have brake devices connectable with housing to produce torque transmission to input shafts |
| CN103543009A (en) * | 2013-08-22 | 2014-01-29 | 浙江中柴机器有限公司 | Gearbox test bed |
| CN103852254A (en) * | 2012-12-07 | 2014-06-11 | 上汽通用五菱汽车股份有限公司 | Method for testing static torsion strength of automotive transmission system |
| CN104179857A (en) * | 2014-08-15 | 2014-12-03 | 江西省分宜驱动桥有限公司 | Self-circulation cooling system for wet-type braking drive axle |
| CN207528444U (en) * | 2017-11-09 | 2018-06-22 | 厦门厦工机械股份有限公司 | The test system of freewheel clutch |
-
2017
- 2017-11-09 CN CN201711097999.6A patent/CN107764548A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201580374U (en) * | 2009-12-04 | 2010-09-15 | 湖南中联重科专用车有限责任公司 | Independent braking cooling system of driving axle |
| CN202131032U (en) * | 2011-07-15 | 2012-02-01 | 长沙中联重工科技发展股份有限公司 | Brake hydraulic control system for luffing jib tower crane, and brake control system and device |
| DE102013203852A1 (en) * | 2012-03-27 | 2013-10-02 | Schaeffler Technologies AG & Co. KG | Clutch devices for dual clutch assembly of powertrain to couple drive shaft of drive motor with transmission input shaft of gear box of motor car, have brake devices connectable with housing to produce torque transmission to input shafts |
| CN202935089U (en) * | 2012-12-06 | 2013-05-15 | 安徽合力股份有限公司 | Multifunctional wet axle of 5-to-10-ton forklift |
| CN103852254A (en) * | 2012-12-07 | 2014-06-11 | 上汽通用五菱汽车股份有限公司 | Method for testing static torsion strength of automotive transmission system |
| CN103543009A (en) * | 2013-08-22 | 2014-01-29 | 浙江中柴机器有限公司 | Gearbox test bed |
| CN104179857A (en) * | 2014-08-15 | 2014-12-03 | 江西省分宜驱动桥有限公司 | Self-circulation cooling system for wet-type braking drive axle |
| CN207528444U (en) * | 2017-11-09 | 2018-06-22 | 厦门厦工机械股份有限公司 | The test system of freewheel clutch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060345A (en) * | 2018-08-09 | 2018-12-21 | 宁波华表机械制造有限公司 | A kind of No. ten thousand testing stands of clutch |
| CN109060345B (en) * | 2018-08-09 | 2020-04-28 | 宁波华表机械制造有限公司 | Clutch ten thousand test beds |
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