CN107631016A - A kind of power takeoff of matching strip power transmission system of automatic gearbox - Google Patents
A kind of power takeoff of matching strip power transmission system of automatic gearbox Download PDFInfo
- Publication number
- CN107631016A CN107631016A CN201711097774.0A CN201711097774A CN107631016A CN 107631016 A CN107631016 A CN 107631016A CN 201711097774 A CN201711097774 A CN 201711097774A CN 107631016 A CN107631016 A CN 107631016A
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- China
- Prior art keywords
- housing
- clutch
- oil
- input shaft
- output shaft
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Abstract
The invention provides a kind of power takeoff of matching strip power transmission system of automatic gearbox, including housing, cavity is formed in shell inner surface, input shaft and output shaft are co-axially located in housing hollow, input tail shaft is connected with power source, output tail shaft is connected with output auxiliary equipment, and the engagement and separation of input shaft and output shaft are realized by the combination and separation of clutch；Solenoid valves, pressure oil promote piston to compress clutch, clutch engagement；Magnetic valve powers off, pressure oil distress resolves, under the action of the spring, clutch separation, when clutch engages, moment of torsion and power from power source by input shaft, clutch, to output shaft, and drive the auxiliary equipment that is connected, realize the basic function of power takeoff；Engaging and separating between input shaft and output shaft can realize in the case of not needing input shaft or output device to stop operating, meanwhile, it can be controlled, lubricate and cool down with the hydraulic oil source of convenient use automatic transmission institute band.
Description
【Technical field】
The present invention relates to a kind of drive aid, and in particular to a kind of matching strip power transmission system of automatic gearbox
Power takeoff.
【Background technology】
Power takeoff is generally used together with power source such as automobile engine, motor or speed changer, for being filled to auxiliary
Offer driving power is provided.For example, servicing unit is supplied power to using power takeoff on road vehicle and off highway vehicle, than
Such as oil pump, water pump, motor, compressor, hinged disk, fan.Oil pump and various attached dresses are supplied power on industrial equipment
Put.Hay mover and hoist engine etc. are supplied power on agri-vehicle.Oil pump is at sea supplied power on means of transport, is promoted
Device etc..
Typical power takeoff is by housing, the output shaft that reaches the input gear of hull outside, reach hull outside forms.
When power takeoff is installed on the power source of a rotation, its input gear is together with the drive gear engagement simultaneously by power source
Rotate.Input gear is directly or indirectly linked together with output shaft, and power and power are passed to output shaft from input gear.
Servicing unit such as oil pump, water pump, are directly or indirectly connected on output shaft, are rotated together with power source, and utilize and transmitted
The power and power come.
It can engage and separate by sliding sleeve, shifting slide gear or clutch between input gear and output shaft.Current
Power takeoff is mostly pneumatic power takeoff, uses air valve switching gas circuit mode with reference to separation, gas circuit leads to the control of power takeoff
Cylinder processed, control cylinder drives shift fork to stir sliding sleeve or shifting slide gear, so as to the combination between control input gear and output shaft
And separation.However, pneumatic power takeoff is used for the power source with manual transmission.Because Pneumatic power takeoff device generally is slip
Tooth covers or shifting slide gear gearshift, needs during gearshift to cut off power to realize gearshift, and hydraulic automatic speed variator can not realize power
Interrupt.Power source for using more and more extensive automatic transaxle at present, there is no matching power takeoff at present.
Thus, invent a power takeoff that can match automatic transaxle power source and seem very necessary.
【The content of the invention】
It is an object of the invention to provide a kind of compact-sized, gearless driving, efficient coaxial line transimission power, it is particularly
It is capable of the power takeoff of matching strip power transmission system of automatic gearbox.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of power takeoff of matching strip power transmission system of automatic gearbox, including housing, formed in shell inner surface
Cavity, input shaft and output shaft are co-axially located in housing hollow, and input tail shaft is connected with power source, output shaft
Housing parts are stretched out to be connected with output auxiliary equipment；Clutch, the installation of clutch side are installed between input shaft and output shaft
Have and promote it to combine and the piston and back-moving spring of separation, input shaft and output shaft are realized by the combination and separation of clutch
Engagement and separation；
Two-bit triplet magnetic valve is installed, magnetic valve import and outside oil sources fittings, joint pass through in the housing
Oil pipe is connected with oil pump, and high-pressure oil duct, high-pressure oil duct one end and the outlet of magnetic valve one, the other end and shell are provided with housing
Body cavity connects, when solenoid valves, hydraulic oil shape between shell inner surface and piston by magnetic valve and high-pressure oil duct
Into pressure chamber, piston movement is promoted to combine clutch；Oil return oil duct, oil return oil duct one end and magnetic valve are additionally provided with housing
Another outlet, the other end connect with housing hollow, and when magnetic valve powers off, back-moving spring promotes clutch separation, hydraulic pressure
The rotary part that oil is entered in cavity lubrication, cooling cavity by high-pressure oil duct, magnetic valve and oil return oil duct.
Further, the clutch is made up of multi-sheet wet-type friction plate and antithesis piece, and input tooth hub is fixed with input shaft,
Friction plate is arranged on input tooth hub by spline, output gear hub is fixed with output shaft, cylindric output gear hub is around input
Tooth hub is set, and antithesis piece is installed on output gear hub inner surface by spline；High pressure liquid force feed promote piston pressing friction piece and
Antithesis piece realizes that clutch combines, and when hydraulic fluid pressure disappears, under action of reset spring, friction plate and antithesis piece mutually disengage
Realize clutch separation.
Further, forced feed lubrication oil duct, oil leab one end and oil sources fittings, the other end are provided with the housing
Connected with housing hollow, forced feed lubrication is carried out to work rotary part.
Further, piston seat is installed, the piston is by piston seat and is embedded in piston seat in the housing hollow
First cone bearing promotes, and is gap between the anchor ring of piston seat outer shroud and shell inner surface formation, is sealed by O-ring.
Further, described input shaft one end is supported in the first opening of housing side by the second cone bearing, the other end
It is supported on by the first cone bearing in piston seat, realizes the swing of single-point support.
Further, two are respectively acting on by the pretightning force of back-moving spring between input tooth hub and the piston on the input shaft
Side, it is spacing that input shaft both ends are respectively provided with Circlip apparatus progress.
Further, the shell one end sets the bearing cap of connection support output shaft, the insertion of described output shaft one end spindle nose
In needle bearing in the endoporus of input shaft end, the output shaft other end is supported on bearing cap by ball bearing.
Further, the magnetic valve is electromagnetic proportional valve or electromagnetic switch valve.
The power takeoff of the present invention will transmit power and be changed between input shaft and output shaft between input gear and output shaft
1:1 transmits power；Engagement between input gear and output shaft and separation are used into source of the gas by traditional, by cylinder, shift fork,
Sliding sleeve, which is realized, to be changed to engage and separate between input shaft and output shaft to use hydraulic oil source, is realized by magnetic valve, clutch.It is defeated
Entering to engage and separate between axle and output shaft can realize in the case of not needing input shaft or output device to stop operating, and pass
Unite combination between pneumatic power takeoff input gear and output shaft and separation must stop turning in input gear or output device
Realized in the case of dynamic.Meanwhile it can be controlled, lubricate and cool down with the hydraulic oil source of convenient use automatic transmission institute band.
The existing kind of drive certainly will cause the generation of not coaxial deployment scenarios due to mode that two gears engage, can increase
The size of actuating unit, two gear mesh forms can also increase cost and weight；A pair of gear engagements can cause cantilever beam
, it is necessary to which bearing is supported accordingly, mesh gear manner is also required to reasonably lubricate structural support form, and can produce power
Loss；Input shaft and output shaft are co-axially located in housing hollow by the present invention, compact-sized by coaxial transmission, transmission dress
It is small to put size, realizes efficient coaxial line gearless driving, transimission power is higher, and supporting construction is simpler.
Further, piston is being moved through by piston seat and the first cone bearing being embedded in piston seat promotion, piston seat
Cheng Zhongke has appropriate deflection；It is gap between the inner ring and input shaft of the first cone bearing being embedded in piston seat, there is guiding
With the effect of support input axle assembly, by the rotary action of the first cone bearing cone bearing can be made only to transmit the pressure of axial direction
Clamp force and the moment of torsion for eliminating direction of rotation, it is relative between friction plate/antithesis piece for being in contact with it to eliminate and reduce piston
Speed discrepancy；Also piston and the piston seat deflection caused by movement can be reduced by the effect of cone bearing, realizes the adaptive of matching
Ying Xing, the clamping stagnation in moving process is prevented, reduce machining accuracy.
Further, input shaft is supported on power takeoff housing first by the second cone bearing and is open, and the other end passes through first
Cone bearing is supported in piston seat, and the swing of single-point support can be achieved.By resetting between input tooth hub and piston on input shaft
The pretightning force of spring is respectively acting on both sides, and input shaft both ends respectively have Circlip apparatus to carry out spacing, the pressure so in back-moving spring
Power effect is lower to provide suitable bearing pre-fastening for two cone bearings, and input shaft can voluntarily position and ensure that supplement is due to piston in good time
And gap caused by other movements, prevent from vibrating and damage of components caused by impacting.
Further, in the needle bearing in the endoporus of output shaft spindle nose insertion input shaft end, realize two axles with articulated form
Contact, two axles can be swung by its support end, can reduce the axiality requirement of housing component, and can be reduced due to power takeoff
Swung caused by vibration and impact during the power transmission shaft connected and power taking.
Further, magnetic valve exports the electromagnetic proportional valve of different control pressures for that can change with control electric current or electromagnetism is opened
Valve is closed, control that can be is filled with the oil pressure of piston seat oil pressure chamber in good time, it is possible to achieve the control to different output torques, also can be real
The different control logics of existing power takeoff engagement, it is possible to achieve the cunning between friction plate and antithesis piece is rubbed control, and can be reduced
The positive engagement of clutch, reduce the abrasion of clutch.Solenoid electric valve can realize corresponding control logic at any time, be installed in
In good time power taking demand can be met after vehicle, it is not necessary to force taking of parking, also due to the controllable pressure of magnetic valve realizes different gears,
Different rotating speeds, the power taking demand of different moments of torsion.
【Brief description of the drawings】
Fig. 1 is the sectional view of power takeoff of the present invention；
Fig. 2 is the axonometric drawing of power takeoff of the present invention；
In figure：Housing 11；Input shaft 12；Output shaft 13；Clutch 14；Magnetic valve 15；Wet-type friction slice 16；Antithesis piece
17；Piston 18；Piston seat 19；Back-moving spring 20；Needle bearing 21；Cavity 22；First opening 23；Second opening 24；Hydraulic oil
Road 25；Oil return oil duct 26；Input tooth hub 27；Output gear hub 28；First cone bearing 29；Bearing cap 30；Oil leab 31；Second cone
Bearing 32；Ball bearing 33；Oil sealing 34；3rd opening 35；Bolt hole 36；Oil pump 37；Oil pipe 38；Joint 39.
【Embodiment】
The present invention will be described in detail below in conjunction with the accompanying drawings：
As illustrated in fig. 1 and 2, the invention discloses a kind of power takeoff of matching strip power transmission system of automatic gearbox,
Including housing 11, input shaft 12, output shaft 13, clutch 14, magnetic valve 15 and bearing cap 30.Oil pump 37 provides hydraulic oil source,
Caused hydraulic oil, which is combined and separated for power takeoff, provides control pressure, while provides for power takeoff and to be used for lubrication and cold
But fluid.Oil pump 37 is typically mounted on speed changer, by power source drives such as engines.
The housing has inner surface and outer surface, and inner surface forms cavity 22, the first opening 23 is formed between surfaces externally and internally
With the 3rd opening 35, the first opening 23 and cavity 22 provide and place part into housing, and the 3rd opening 35 is used to place magnetic valve,
The one end of housing 11 sets the bearing cap 30 of connection support output shaft, in addition to high-pressure oil duct 25 and oil return oil duct 26 and oil leab
31, if certain road vehicle will use power takeoff, can be used by the bolt hole 36 on input shaft and input flange connection surface
Bolt connection, power takeoff is installed on the speed changer on road vehicle.
Input shaft 12 and output shaft 13 are co-axially located in housing hollow 22, and input shaft 12 stretches out housing parts and power source
Connection, output shaft 13 stretch out housing parts and are connected with output auxiliary equipment；Clutch is installed between input shaft 12 and output shaft 13
Device 14, the side of clutch 14 are provided with the piston 18 and back-moving spring 20 for promoting it to combine and separate, pass through the knot of clutch 14
Close and separate the engagement and separation for realizing input shaft 12 and output shaft 13；
Two-bit triplet magnetic valve 15 is installed, the high-pressure oil duct 25 on housing 11 is that magnetic valve hydraulic oil passes through in housing 11
Oil duct, the one end of high-pressure oil duct 25 35 connected with the 3rd opening, and the other end is connected by internal oil passages with cavity 22.Work as magnetic valve
During energization, hydraulic oil between shell inner surface and piston seat outer surface forms pressure chamber by magnetic valve through high-pressure oil duct 25,
Promote piston to move right, combine clutch.
Oil return oil duct 26 is the oil return oil duct of magnetic valve 15, while lubrication power takeoff；Also it is provided with housing strong
Oil leab 31 processed, connected by outer surface and oil sources joint, connected by inner surface and cavity, when magnetic valve powers off, profit
Lubricating oil enters cavity 22 by oil sources joint through oil leab 31, lubricates, the rotary part in cooling cavity.Work as solenoid valves
When, provide forced feed lubrication to the rotary part of work.Other power that hydraulic oil power source is alternatively in addition to road vehicle pass
Power source in dynamic system.
Input shaft is installed in housing by the first opening 23, and in housing hollow, another part stretches out a portion
Housing outer surface.There is spline at input shaft both ends, are connected respectively with power source and input tooth hub 27.Input shaft 12 stretches out housing 11
Outside splined section, with the drive shaft spline fitted in speed changer on road vehicle, the moment of torsion and work(of such truck engine
Rate is delivered to power takeoff by speed changer, then drives auxiliary equipment, and the rotating speed and rotation direction that pass over can change,
It can not be consistent with engine.Above-mentioned spline connected mode is alternatively other conventional mechanical connection manners.
Output shaft 13 passes on left needle bearing 21 and supported on input shaft 12, passes through welding manner and the phase of output gear hub 28
Even.Right side is installed to by ball bearing 33 in the bearing hole of bearing cap 30.The right-hand member direct or indirect connection of output shaft 13 is above-mentioned
Servicing unit, such as oil pump, hydraulic motor etc..It can effectively buffer and be swung caused by power takeoff.
Bearing cap 30 is connected by bolt with the right side faying face of housing 11, including ball bearing 33 and oil sealing 34.Output shaft 13
It is completely installed in the second opening 24 of bearing cap 30.
Magnetic valve 15 is assemblied on housing by the 3rd opening 35 on housing.Magnetic valve controls it to open by default electric signal
Close, so as to control hydraulic oil from oil pipe 38 to the break-make of high-pressure oil duct 25.
Clutch is engaged through pressure oil pressing friction piece and antithesis piece realization, and clutch is by one group of Wet-type friction slice
16, one group of antithesis piece 17 forms.A piece of antithesis piece 17 is placed every a piece of friction plate 16 during assembling, friction plate 16 is pacified by spline
On input tooth hub 27, antithesis piece 17 is installed to the inner surface of output gear hub 28 by spline.Input tooth hub 27 is fixed on input
On axle 12, piston seat 19 is installed in the cavity of housing 11 by coordinating.When clutch 14 separates, friction plate 16 and antithesis piece
17 freely rotate between each other, now allow have relative rotation between input shaft 12 and output shaft 13.When clutch 14 combines,
Friction plate 16 and antithesis piece 17 compress between each other, will can now enter without relative rotation between input shaft 12 and output shaft 13
The moment of torsion and power of power takeoff, are delivered on output shaft 13 by input shaft 12 and clutch 14, and drive what is be attached thereto
Above-mentioned auxiliary equipment rotates.
The combination of clutch 14 by the pressure oil of the high-pressure oil duct 25 on housing 11 by being controlled.High-pressure oil duct 25 and housing
Cavity between 11 and piston seat 19 communicates.When pressure oil caused by oil pump 37 passes through oil pipe 38, joint 39, magnetic valve 15, height
Force feed road 25 is sent to the cavity between housing 11 and piston seat 19, it will and promote piston 18 to move right, compression reseting spring 20,
So that clutch 14 is completely combined.When there is no pressure oil in high-pressure oil duct 25 or pressure oil is less than certain numerical value, clutch
14 will separate under the spring-force driven dual of back-moving spring 20.
The magnetic valve is used for controlling the break-make and pressure value into the pressure oil of power takeoff.Work as solenoid valves
When, the pressure oil from oil pump passes through between oil pipe, joint, magnetic valve, housing pressure oil duct, shell inner surface and piston seat
Cavity, promote piston to move right, pressing friction piece and antithesis piece, clutch engagement, power takeoff start-up operation, carry out ultromotivity
The moment of torsion and power in source by input shaft, clutch, pass to output shaft, drive the auxiliary equipment rotation being connected with output shaft, this
When forced feed lubrication oil duct to rotary part provide forced feed lubrication.When magnetic valve powers off, the pressure oil from oil pump is directly entered
Oil leab provides lubrication, it is impossible to which the pressure of the cavity entered between housing and piston seat, pressing friction piece and antithesis piece disappears
Lose, piston is moved to the left under action of reset spring, and clutch separation, power takeoff is stopped, and is passed without moment of torsion and power
It is delivered to auxiliary equipment
Power takeoff is applied in the equipment by power source drive, such as：A dismountable auxiliary equipment can be used as to make
With being installed to by bolt on the speed changer being connected with engine, oil pump of the drive installation on truck, make lifting device work
Make.Highway truck therein, engine, speed changer, oil pump are subsequently having further amplification, but not occurred in the accompanying drawings.
Power takeoff be equally applicable to be installed to motor, engine, truck transmission, tractor, engineering truck, sea transport or its
In its rotary power transmission system.
Further, be to be promoted by piston seat 19 and the first cone bearing 29 being embedded in piston seat, the outer shroud of piston seat 19 with
It is gap between the anchor ring that the inner surface of power takeoff housing 11 is formed, is sealed by O-ring, piston seat 19 can have in moving process
Appropriate deflection；It is gap between the inner ring and input shaft of the first cone bearing 29 being embedded in piston seat 19, there is guiding and branch
Support the effect of input axle assembly.
Input shaft 12 is supported on the opening of power takeoff housing first 23 by the second cone bearing of left end 32, and the other end passes through the
One cone bearing 29 is supported in piston seat, and the swing of single-point support can be achieved.Between input tooth hub 27 and piston on input shaft
Both sides are respectively acting on by the pretightning force of back-moving spring 20, it is spacing that input shaft both ends respectively have Circlip apparatus to carry out, and is so resetting
The pressure effect of spring is lower to provide suitable bearing pre-fastening for two cone bearings, and input shaft can voluntarily position and ensure to supplement in good time
The gap caused by piston and other movements, prevents from vibrating and damage of components caused by impacting.
In needle bearing 21 in the left end spindle nose of output shaft 13 insertion input shaft right-hand member endoporus, output shaft is by a ball bearing 33
It is supported on bearing cap 30, input shaft and the swingable axle that output shaft is single-ended support are middle to be connected by needle bearing 21,
Realize that two axles are contacted with articulated form, two axles can be swung by its support end, can reduce the axiality requirement of housing component, and
It can reduce and be swung caused by the vibration during the power transmission shaft and power taking that power takeoff is connected and impact.
Magnetic valve 15 export the electromagnetic proportional valve of different control pressures for that can change with control electric current, control that can be in good time
It is filled with the oil pressure of piston seat control oil pressure chamber.
Claims (8)
- A kind of 1. power takeoff of matching strip power transmission system of automatic gearbox, it is characterised in that：Including housing (11), housing (11) cavity (22) is formed in inner surface, input shaft (12) and output shaft (13) are co-axially located in housing hollow (22), are inputted Axle (12) stretches out housing parts and is connected with power source, and output shaft (13) stretches out housing parts and is connected with output auxiliary equipment；Input Clutch (14) is installed, clutch (14) side, which is provided with, promotes what it combined and separated between axle (12) and output shaft (13) Piston (18) and back-moving spring (20), input shaft (12) and output shaft (13) are realized by the combination and separation of clutch (14) Engagement and separation；Two-bit triplet magnetic valve (15) is installed, magnetic valve (15) import connects with outside oil sources joint (39) in the housing (11) Logical, joint (39) is connected by oil pipe (38) with oil pump (37), and high-pressure oil duct (25), high-pressure oil duct are provided with housing (11) (25) one end connects with the outlet of magnetic valve (15) one, the other end with housing hollow (22), when solenoid valves, hydraulic oil Pressure chamber is formed between shell inner surface and piston (18) by magnetic valve (15) and high-pressure oil duct (25), promotes piston (18) Movement combines clutch；Oil return oil duct (26), oil return oil duct (26) one end and magnetic valve (15) are additionally provided with housing (11) Another outlet, the other end connect with housing hollow (22), and when magnetic valve (15) powers off, back-moving spring (20) promotes clutch Device (14) is separated, and hydraulic oil is lubricated into cavity (22) by high-pressure oil duct (25), magnetic valve (15) and oil return oil duct (26), is cold But the rotary part in cavity.
- 2. power takeoff according to claim 1, it is characterised in that：The clutch (14) is by multi-sheet wet-type friction plate (16) formed with antithesis piece (17), input tooth hub (27) is fixed with input shaft (12), friction plate (16) is arranged on by spline Input on tooth hub (27), output gear hub (28) is fixed with output shaft (13), cylindric output gear hub (28) is around input tooth hub (27) set, antithesis piece (17) is installed on output gear hub (28) inner surface by spline；High pressure liquid force feed promotes piston (18) Pressing friction piece and antithesis piece realize that clutch combines, when hydraulic fluid pressure disappears, under action of reset spring, and friction plate and right Even piece, which mutually disengages, realizes clutch separation.
- 3. power takeoff according to claim 1, it is characterised in that：Forced feed lubrication oil duct is provided with the housing (31), oil leab (31) one end connects with oil sources joint (39), the other end connects with housing hollow (22), to the rotating part that works Part carries out forced feed lubrication.
- 4. according to the power takeoff described in claim 1,2 or 3, it is characterised in that：Work is installed in the housing hollow (22) Obturating plug (19), the piston (18) are promoted by piston seat (19) and the first cone bearing (29) being embedded in piston seat, piston seat (19) it is gap between the anchor ring that outer shroud and housing (11) inner surface are formed, is sealed by O-ring.
- 5. power takeoff according to claim 4, it is characterised in that：Described input shaft (12) one end passes through the second cone bearing (32) it is supported in the first opening (23) of housing side, the other end is supported on piston seat (19) by the first cone bearing (29) It is interior, realize the swing of single-point support.
- 6. power takeoff according to claim 2, it is characterised in that：Input tooth hub (27) on the input shaft (12) with Both sides are respectively acting on by the pretightning force of back-moving spring (20) between piston (18), input shaft (12) both ends are respectively provided with Circlip apparatus Carry out spacing.
- 7. power takeoff according to claim 4, it is characterised in that：Described housing (11) one end sets connection support output The bearing cap (30) of axle (13), the needle bearing that described output shaft (13) one end spindle nose is inserted in the endoporus of input shaft (12) end (21) in, output shaft (13) other end is supported on bearing cap (30) by ball bearing (33).
- 8. power takeoff according to claim 4, it is characterised in that：The magnetic valve (15) is electromagnetic proportional valve or electromagnetism Switch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711097774.0A CN107631016A (en) | 2017-11-09 | 2017-11-09 | A kind of power takeoff of matching strip power transmission system of automatic gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711097774.0A CN107631016A (en) | 2017-11-09 | 2017-11-09 | A kind of power takeoff of matching strip power transmission system of automatic gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107631016A true CN107631016A (en) | 2018-01-26 |
Family
ID=61107552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711097774.0A Pending CN107631016A (en) | 2017-11-09 | 2017-11-09 | A kind of power takeoff of matching strip power transmission system of automatic gearbox |
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| CN (1) | CN107631016A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608240A (en) * | 2019-09-25 | 2019-12-24 | 西安法士特汽车传动有限公司 | Normally closed clutch structure and application method thereof |
| CN111692231A (en) * | 2020-06-30 | 2020-09-22 | 中国重汽集团大同齿轮有限公司 | Direct output type friction plate power takeoff |
| CN111845586A (en) * | 2020-07-21 | 2020-10-30 | 简思涛 | New energy automobile of flood prevention function |
| CN112594385A (en) * | 2020-12-01 | 2021-04-02 | 潍柴动力股份有限公司 | Rear power take-off assembly, engineering vehicle and control method of engineering vehicle |
| CN113565900A (en) * | 2021-07-26 | 2021-10-29 | 贵州凯星液力传动机械有限公司 | Combined hydraulic retarder |
-
2017
- 2017-11-09 CN CN201711097774.0A patent/CN107631016A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608240A (en) * | 2019-09-25 | 2019-12-24 | 西安法士特汽车传动有限公司 | Normally closed clutch structure and application method thereof |
| CN111692231A (en) * | 2020-06-30 | 2020-09-22 | 中国重汽集团大同齿轮有限公司 | Direct output type friction plate power takeoff |
| CN111845586A (en) * | 2020-07-21 | 2020-10-30 | 简思涛 | New energy automobile of flood prevention function |
| CN111845586B (en) * | 2020-07-21 | 2021-10-26 | 重庆华智天下科技有限公司 | New energy automobile of flood prevention function |
| CN112594385A (en) * | 2020-12-01 | 2021-04-02 | 潍柴动力股份有限公司 | Rear power take-off assembly, engineering vehicle and control method of engineering vehicle |
| CN113565900A (en) * | 2021-07-26 | 2021-10-29 | 贵州凯星液力传动机械有限公司 | Combined hydraulic retarder |
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Application publication date: 20180126 |