CN109720197A - A kind of driving device and vehicle - Google Patents
A kind of driving device and vehicle Download PDFInfo
- Publication number
- CN109720197A CN109720197A CN201910119086.2A CN201910119086A CN109720197A CN 109720197 A CN109720197 A CN 109720197A CN 201910119086 A CN201910119086 A CN 201910119086A CN 109720197 A CN109720197 A CN 109720197A
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- clutch
- gear
- driving device
- output shaft
- reversing
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- 239000003921 oil Substances 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 2
- 239000010729 system oil Substances 0.000 claims description 2
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The present invention relates to technical field of mechanical transmission, a kind of driving device and vehicle are provided.Driving device, comprising: first clutch, second clutch, input shaft, output shaft and reversing-gear；Input the active part of axis connection power mechanism and the first clutch；Reversing-gear connects the active part of first clutch and the active part of second clutch, and the active part of the active part and first clutch that make second clutch reversely rotates；First clutch and the second clutch are identical for the direction of rotation of one-way clutch and bonding state, and the secondary part of the secondary part of first clutch and second clutch is sequentially connected with output shaft respectively；The output shaft is used to connect with load.The direction of rotation of the output shaft of this driving device will not change because the direction of rotation of input shaft changes, and effectively prevent the load of the single direction rotations such as oil pump, air pump and damage because of reverse rotation.
Description
Technical field
The present invention relates to technical field of mechanical transmission, more particularly to a kind of driving device and vehicle.
Background technique
In the prior art, oil pump is usually the oil circuit system by driving motor supplies power, and then to connect with the oil pump
System supply power.Wherein, which can be the oil piping system of lubricating oil, be also possible to the oil piping system of hydraulic system,
Or the oil piping system of fuel oil.Since existing oil pump has the limitation of direction of rotation, i.e. driving motor can only drive oil pump list
One direction rotates, if driving motor inverts, it is likely that cannot work properly or even damage oil pump.
The damage of oil pump caused by inverting in order to avoid driving motor is usually to add to change using arrangement of clutch in the prior art
To the scheme of control, i.e., when driving motor inverts, the connection between arrangement of clutch disconnection driving motor and oil pump is first passed through, so
The output direction of rotation for changing driving motor by reversing arrangement again afterwards, then makes driving motor and oil pump in conjunction with arrangement of clutch
It is connected by power.However structure is complicated for the technical solution, control process is cumbersome, easily damages due to control fault causes oil pump to invert
It is bad.In the prior art there is also other single direction rotations similar with oil pump load, such as air pump, internal combustion engine, generator etc., these
Single direction rotation load equally exists the problem similar with oil pump, i.e., can only be rotated with a direction, may lead when reversely rotating
Cause load damage.
Summary of the invention
For this reason, it may be necessary to a kind of new driving device is provided, it is multiple for solving above-mentioned single direction rotation load drive scheme structure
The technical issues of miscellaneous, control process is cumbersome, and load is easily caused to invert and damage.
To achieve the above object, a kind of driving device is inventor provided, comprising: first clutch, second clutch, defeated
Enter axis, output shaft and reversing-gear；
The active part of input the axis connection power mechanism and the first clutch, for driving first clutch
The active part of device rotates；
The reversing-gear connects the active part of the first clutch and the active part of the second clutch, makes
The active part of the second clutch is reversely rotated relative to the active part of the first clutch；
The first clutch and the second clutch are identical for the direction of rotation of one-way clutch and bonding state, and
And the secondary part of the secondary part of the first clutch and the second clutch is sequentially connected with the output shaft respectively；
The output shaft is used to connect with load, for driving the load to rotate.
Further, the reversing-gear includes first gear, second gear and transmission shaft；
The first gear and the input axis connection and with the input shaft synchronous rotary, the second gear with it is described
First gear engage and be connected on the transmission shaft with the transmission shaft synchronous rotary, described in the transmission axis connection second from
The active part of clutch drives the active part of the second clutch and the active part of the first clutch reversely to revolve
Turn.
It further, further include third gear, the 4th gear and the 5th gear；
The third gear is connect with the secondary part of the second clutch, the 4th gear and first clutch
The secondary part of device connects, and the 5th gear is connected to the output shaft, and the third gear and the 4th gear
It is engaged respectively with the 5th gear.
Further, the third gear is located at the side of the output shaft, and the 4th gear is located at the output shaft
The other side opposite with the third gear.
Further, the load is oil pump, and the oil pump is connected to the output shaft.
Further, the oil pump is the oil pump of oil circulation system, the oil pump of hydraulic system or Fuel System
Oil pump.
Further, the first clutch and the second clutch are mono-directional overrun clutch, the mono-directional overrun
Clutch is Wedge type over running clutch, ball-type freewheel clutch, any one in ratchet type overrunning clutch.
Further, the driving device at least has there are two types of working condition；
Working condition one, the input shaft rotate forward, and the first clutch is made to combine and rotate forward, the reversing-gear driving
The second clutch reversion separates the second clutch, and the first clutch drives the output shaft rotation；
Working condition two, input shaft reversion separate the first clutch, the reversing-gear driving described the
The rotating forward of two clutches makes the second clutch combine and rotate forward, and the second clutch drives the output shaft rotation, wherein
Working condition one is identical with the direction of rotation of output shaft described in working condition two.
Further, the reversing-gear is input and export the equal constant speed reversing-gear of revolving speed, and the work shape
State one is equal with the revolving speed of output shaft described in the working condition two；Or
The reversing-gear is input and the output unequal speed change reversing-gear of revolving speed, makes the working condition one and institute
The revolving speed for stating output shaft described in working condition two is unequal.
In order to solve the above technical problems, the present invention also provides another technical solutions:
A kind of vehicle, including
Vehicle body, and
Driving device, the driving device are driving device described in any of the above technical solution.
It being different from the prior art, above-mentioned technical proposal driving connects first clutch and second clutch by reversing-gear,
Reversely rotate first clutch and second clutch, and first clutch and second clutch are one-way clutch, thus
Make the output shaft of driving device direction of rotation will not because the direction of rotation of input shaft change due to change, effectively prevent oil pump,
The load of the single direction rotations such as air pump is damaged because of reverse rotation.And the driving device uses one-way clutch, in driving device
When inputting direction of rotation variation, it is constant that output direction of rotation can be automatically kept without control, therefore the driving device is without control
The problem of part-structure processed keeps its structure more simplified, and use is more convenient and there is no maloperations.
Detailed description of the invention
Fig. 1 is the structure diagram of driving device described in specific embodiment；
Fig. 2 is the structure diagram of driving device described in specific embodiment；
Fig. 3 is the main view of driving device described in specific embodiment；
Fig. 4 is the side view of driving device described in specific embodiment.
Description of symbols:
1, it loads；
2, power mechanism；
M, reversing-gear；
A1, input shaft；
A2, output shaft；
A3, transmission shaft；
L1, first clutch；
L2, second clutch；
Z1, first gear；
Z2, second gear；
Z3, third gear；
Z4, the 4th gear；
Z5, the 5th gear；
B1, the first belt；
B2, the second belt；
B3, third belt；
R1, the first directive wheel；
R2, tensioning wheel；
R3, the second directive wheel；
D1, first pulley；
D2, the second belt wheel；
D3, third belt wheel；
D4, the 4th belt wheel；
D5, the 5th belt wheel；
D6, the 6th belt wheel；
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Referring to Fig. 1, present embodiments providing a kind of driving device.The driving device includes first clutch L1,
Two clutch L2, input shaft A1, output shaft A2 and reversing-gear M.
Wherein, input shaft A1 be driving device power intake, output shaft A1 connection power mechanism 2 and described first from
The active part of clutch L1, for power mechanism 2 to be transferred to first clutch L1 to drive the active of first clutch L1
Part rotates.Preferably, power mechanism 2 can be driving motor, and certainly, in other embodiments, power mechanism 2 can also be
Hydraulic motor, air motor, internal combustion engine etc. other be capable of outward output power mechanism.
The active part of reversing-gear M connection first clutch L1 and the active part of second clutch L2, reversing-gear M
Input and output direction of rotation on the contrary, to making the active part of second clutch L2 and the initiative part of first clutch L1
Divide and reversely rotates.
The secondary part of first clutch L1 and the secondary part of second clutch L2 are sequentially connected with output shaft A2 respectively；
Output shaft A2 with load 1 for connecting, for driving 1 rotation of load.Wherein, first clutch L1 and second clutch L2 is single
To clutch, and first clutch L1 is identical with the direction of rotation of second clutch L2 bonding state, i.e. first clutch L1 and
Second clutch L2 is combined when rotating forward, and when reversion separates or first clutch L1 and second clutch L2 is to rotate forward
When separate, what when reversion, combined.
First clutch L1 and second clutch L2 can be mono-directional overrun clutch, and mono-directional overrun clutch is Wedge-type
Freewheel clutch, ball-type freewheel clutch, any one in ratchet type overrunning clutch.Preferably, mono-directional overrun clutch
Device is Wedge type over running clutch.
Wherein load 1 loads for single direction rotation, i.e., its rotary work can only be driven with a direction, when driving with opposite direction
May cause it can not work or damage, and load 1 can be oil pump, air pump, generator, internal combustion engine etc. (in during startup
Combustion engine also corresponds to load).Preferably, load 1 is oil pump, and oil pump can be oil circulation system in the particular embodiment
In for pumping the oil pump of lubricating oil, for the hydraulic oil pump of pumps hydraulic oil or the fuel oil system of internal combustion engine in hydraulic system
The oil pump of system (including fuel tank and pipeline connected to it).
The driving device can realize no matter input shaft A1 is to rotate forward or invert, and output shaft A2 is only revolved by single direction
Turn, i.e., the direction of rotation of output shaft A2 changes regardless of because the direction of rotation of input shaft A1 changes.The work of the driving device is former
It manages as follows:
When power device 2 rotates forward, the active part of input shaft A1 and first clutch L1 are rotated forward, reversing-gear M driving
The active part of second clutch L2 inverts, it is assumed that first clutch L1 and second clutch L2 is when combining reversion when rotating forward
Separation (wherein combines and refers to that the active part of clutch is connect with secondary part, power can be transferred to driven from active part
Part, separation refer to that the active part of clutch is separated with secondary part, and power can not be transferred to follower from active part
Point), first clutch L1 is combined at this time, second clutch L2 separation, so that first clutch L1 driving output shaft A2 is rotated forward, is moved
The transmission path of power is A1-L1-A2.Since second clutch L2 is discrete state, the follower of second clutch L2 at this time
Active part can't be transmitted to output shaft rotation by dividing, therefore input shaft can't be interfered to rotate.
When power device 2 inverts, the active part of input shaft A1 and first clutch L1 are inverted, reversing-gear M driving
The active part of second clutch L2 rotates forward, and first clutch L1 is separated at this time, and second clutch L2 is combined, thus the second clutch
Device L1 drives output shaft A2 to rotate forward, power transfer path A1-3-L2-A2.Since first clutch L1 is discrete state at this time
, the secondary part of first clutch L1 can't be transmitted to active part with output shaft rotation, therefore can't interfere input
Axis rotation.
Similarly, in other embodiments, it is combined just when first clutch L1 and second clutch L2 can be to be reversion
Separation when turning, working principle is similar to above-mentioned principle, just repeats no more here.
Therefore reversely rotate first clutch L1 and second clutch L2 by reversing-gear M, due to first clutch
It is one-way clutch with second clutch, so that making the direction of rotation of output shaft will not become because the direction of rotation of input shaft changes
Change, effectively prevents the load of the single direction rotations such as oil pump, air pump and damaged because of reverse rotation.And the driving device using unidirectionally from
Clutch, driving device input direction of rotation change when, without control can automatically keep output direction of rotation it is constant, therefore
The problem of driving device is not necessarily to control section structure, keeps its structure more simplified, and use is more convenient and there is no maloperations.
As shown in Figure 1, in the present embodiment, reversing-gear M is gear type reversing-gear, including first gear Z1, second
Gear Z2 and transmission shaft A3.
First gear Z1 connect with input shaft A1 and with input shaft A1 synchronous rotary, the second gear Z2 and first gear
Z1 is engaged and is connected on transmission shaft A3 and transmission shaft A3 synchronous rotary, the initiative part of transmission shaft A3 connection second clutch L2
Point, due to first gear Z1 and second gear Z2 be it is intermeshing, rotation it is contrary to driving second clutch
The active part of L2 and the active part of first clutch L1 reversely rotate.In the present embodiment, using gear type reversing-gear
It is simple with structure, load capacity is strong, and can adapt to high speed conditions, be applicable to the high revolving speed such as oil pump, air pump, high-power
Load.Certainly, reversing-gear M of the present invention is not limited in above-mentioned gear type reversing-gear, and those skilled in the art are easy to think
To be capable of providing input with export the range that the opposite reversing-gear in direction of rotation is all reversing-gear of the present invention.
As shown in Figure 3 and shown in Fig. 4, for the structural schematic diagram of driving device in another embodiment, in the driving device
Using belt-type reversing-gear.Reversing-gear M includes: the first belt B1, the first directive wheel R1, tensioning wheel R2, the second directive wheel
R3, first pulley D1 and the second belt wheel D2.Wherein, input shaft A1 is connect with first pulley D1 or the second belt wheel D2, first pulley
D1 is connect with the active part of first clutch L1, and the second belt wheel D2 is connect with the active part of the second connector L2, first band
It takes turns D1 and the second belt wheel D2 and passes through the first belt B1 connection.Wherein, the first belt B1 by the first directive wheel R1, tensioning wheel R2 and
Second directive wheel R3 is oriented to and makes its tensioning, and connect first pulley D1 and the lateral surface of the first belt B1, and makes
Two belt wheel D2 are connect with the medial surface of the first belt B1, to drive first pulley D1 and the second belt wheel D2 by the first belt B1
Opposite direction rotates each other, and then first clutch L1 and second clutch L2 is driven to reversely rotate respectively.As shown in figure 4, at this
In embodiment, first clutch L1 is set between first pulley D1 and third belt wheel D3, and second clutch L2 is set to second
Between belt wheel D2 and the 5th belt wheel D5.In other embodiments, first clutch L1 can be integrated in first pulley D1 middle part or
The middle part of third belt wheel D3, second clutch L2 are integrated in the middle part of the second belt wheel D2 or the middle part of the 5th belt wheel D5.
As shown in Figure 1, driving device further includes third gear Z3, the 4th gear Z4 and the 5th gear Z5.Wherein, third tooth
Wheel Z3 is connect with the secondary part of second clutch L2 and the secondary part synchronous rotary with second clutch L2, the 4th gear Z4
Connect with the secondary part of the first clutch and the secondary part synchronous rotary with first clutch L1, the 5th gear Z5 with
Output shaft A2 connection is simultaneously engaged with the 5th gear Z5 with output shaft A2, third gear Z3 and the 4th gear Z4 respectively, thus first
Clutch L1 engages driving output shaft A2 rotation with the 5th gear Z5 by the 4th gear Z4, and second clutch L2 passes through third tooth
Wheel Z3 engages driving output shaft A2 rotation with the 5th gear Z5.Wherein, third gear Z3 is located at the side of the output shaft A2, the
Four gear Z4 are located at the other side opposite with the third gear Z3 of the output shaft A2.In the present embodiment, by first from
Clutch L1 and second clutch L2 drives output shaft A2 rotation by third gear Z3, the 4th gear Z4 and the 5th gear Z5, can
Reduce the volume of driving device, and gear train is easily lubricated using lubricating oil, can guarantee that the highest of driving device turns
Speed.As shown in Figure 1, in the present embodiment, first clutch L1 is integrated in middle part or the first gear Z1 of the 4th gear Z4
Portion, second clutch L2 is integrated in the middle part of third gear Z3 or the middle part of second gear Z2, to make the volume of driving device
It is smaller.Certainly, in other embodiments, first clutch L1 also can be set in first gear Z1 and the 4th gear Z4 it
Between, second clutch L2 is set between second gear Z2 and third gear Z3.
Certainly first clutch L1 and second clutch L2 is not limited in through above-mentioned third gear, the 4th in the present invention
Gear and the 4th gear are connected with exporting axis, those skilled in the art be readily apparent that can by first clutch L1 and second from
The transmission mechanism that clutch L2 power is transferred to output shaft A2 is protection scope of the present invention.In other embodiments, described
One clutch L1 and second clutch L2 can also pass through belt transmission, chain conveyer mode, hydraulic transmission mode and output shaft A2
Transmission connection.
As shown in Figure 3 and Fig. 4, driving device realizes output shaft A2 and first clutch L1 and the by V belt translation mode
Transmission between two clutch L2.Wherein, driving device further comprises the second belt B2 and third belt B3 and third belt wheel
D3, the 4th belt wheel D4, the 5th belt wheel D5 and the 6th belt wheel D6.Wherein, the secondary part of first clutch L1 passes through third belt wheel
D3, the 4th belt wheel and third belt B3 and output shaft A2 are sequentially connected；Second clutch L2 by the 5th belt wheel, the 6th belt wheel with
And second belt B2 and output shaft A2 be sequentially connected, so that output shaft A2 be driven to rotate.
In other embodiments, chain transmission mode also can be used to realize above-mentioned reversing-gear M, i.e., using in chain substitution
The first belt B1 is stated, and above-mentioned directive wheel and belt wheel, working principle and above-mentioned belt reversing-gear are substituted using sprocket wheel
Principle it is similar, just repeat no more here.Similarly, above-mentioned output shaft A2 and the first clutch can also be realized with chain transmission mode
Transmission between device L1 and second clutch L2 replaces above-mentioned second belt B2 and third belt B3 using chain respectively,
And belt wheel is substituted for corresponding sprocket wheel.
As shown in Figure 1, driving device at least has there are two types of working condition in the present embodiment；
Working condition one, the input shaft A1 are rotated forward, and the first clutch L1 is made to combine and rotate forward, the reversing-gear
The second clutch L2 reversion is driven to separate the second clutch L2, the first clutch L1 drives the output shaft
A2 rotation；
Working condition two, the input shaft A1 reversion separate the first clutch L1, and the reversing-gear drives institute
Stating second clutch L2 rotating forward makes the second clutch L2 combine and rotate forward, and the second clutch L2 drives the output shaft
A2 rotation, wherein working condition one is identical with the direction of rotation of output shaft A2 described in working condition two.
Wherein, reversing-gear M is the input constant speed reversing-gear equal with output revolving speed, i.e. the first tooth in reversing-gear M
It is identical with the number of teeth of second gear Z2 to take turns Z1, therefore the revolving speed phase of the output shaft A2 described in working condition one and working condition two
Deng thus driving device output rotation speed change caused by effectively avoiding power device direction of rotation from changing.
As shown in Fig. 2, it is different from Fig. 1 in the present embodiment, reversing-gear M be input with output the unequal change of revolving speed
Fast reversing-gear, i.e. the number of teeth of first gear Z1 and second gear Z2 is not identical in reversing-gear M, therefore when driving device is in
For the moment, the output shaft A2 of driving device is rotated working condition with First Speed, and when driving device switching is in working condition two,
Output shaft A2 is rotated with second speed.It therefore is the rotation of controllable output shaft by the input shaft direction of rotation of control driving device
Rotary speed, realizes two grades of speed changes of driving device, to make driving device that can be needed to select to correspond to according to the different operating conditions of load
Output speed, make the driving device be applicable to more load, and can satisfy increasingly complex operating condition.
A kind of vehicle is provided in another embodiment, which includes that vehicle body and driving device wherein drive
Device is any of the above driving device as described in the examples.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
Scope of patent protection of the invention.Therefore, it based on innovative idea of the invention, change that embodiment described herein is carried out and is repaired
Change, or using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it directly or indirectly will be with
Upper technical solution is used in other related technical areas, is included within scope of patent protection of the invention.
Claims (10)
1. a kind of driving device characterized by comprising first clutch, second clutch, input shaft, output shaft and reversed
Mechanism；
The active part of input the axis connection power mechanism and the first clutch, for driving the first clutch
Active part rotation；
The reversing-gear connects the active part of the first clutch and the active part of the second clutch, makes described
The active part of second clutch is reversely rotated relative to the active part of the first clutch；
The first clutch and the second clutch are identical for the direction of rotation of one-way clutch and bonding state, and institute
The secondary part of the secondary part and the second clutch of stating first clutch is sequentially connected with the output shaft respectively；It is described
Output shaft is used to connect with load, for driving the load to rotate.
2. driving device according to claim 1, which is characterized in that the reversing-gear includes first gear, the second tooth
Wheel and transmission shaft；
The first gear and the input axis connection and with the input shaft synchronous rotary, the second gear and described first
Gear is engaged and is connected on the transmission shaft with the transmission shaft synchronous rotary, second clutch described in the transmission axis connection
Active part, drive the second clutch active part and the first clutch active part reversely rotate.
3. driving device according to claim 1, which is characterized in that further include third gear, the 4th gear and the 5th tooth
Wheel；
The third gear is connect with the secondary part of the second clutch, the 4th gear and the first clutch
Secondary part connection, the 5th gear are connected to the output shaft, and the third gear and the 4th gear difference
It is engaged with the 5th gear.
4. driving device according to claim 3, which is characterized in that the third gear is located at the one of the output shaft
Side, the 4th gear are located at the other side opposite with the third gear of the output shaft.
5. driving device according to claim 1, which is characterized in that it is described load be oil pump, the oil pump with it is described defeated
Axis connection out.
6. driving device according to claim 5, which is characterized in that the oil pump be oil circulation system oil pump,
The oil pump of hydraulic system or the oil pump of Fuel System.
7. driving device according to claim 1, which is characterized in that the first clutch and the second clutch are
Mono-directional overrun clutch, the mono-directional overrun clutch is Wedge type over running clutch, ball-type freewheel clutch, ratchet-type are super
Any one more in clutch.
8. driving device according to claim 1, which is characterized in that the driving device at least have there are two types of work shape
State；
Working condition one, the input shaft rotate forward, and the first clutch is made to combine and rotate forward, described in the reversing-gear driving
Second clutch reversion separates the second clutch, and the first clutch drives the output shaft rotation；
Working condition two, input shaft reversion separate the first clutch, the reversing-gear driving described second from
Clutch rotating forward makes the second clutch combine and rotate forward, and the second clutch drives the output shaft rotation, wherein work
State one is identical with the direction of rotation of output shaft described in working condition two.
9. driving device according to claim 8, which is characterized in that the reversing-gear is that input is equal with output revolving speed
Constant speed reversing-gear, and the working condition one is equal with the revolving speed of output shaft described in the working condition two；Or
The reversing-gear is input and the output unequal speed change reversing-gear of revolving speed, makes the working condition one and the work
The revolving speed for making output shaft described in state two is unequal.
10. a kind of vehicle, which is characterized in that including
Vehicle body, and
Driving device, the driving device are any driving device of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119086.2A CN109720197A (en) | 2019-02-18 | 2019-02-18 | A kind of driving device and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910119086.2A CN109720197A (en) | 2019-02-18 | 2019-02-18 | A kind of driving device and vehicle |
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| CN109720197A true CN109720197A (en) | 2019-05-07 |
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| CN206419439U (en) * | 2016-12-16 | 2017-08-18 | 上海纳铁福传动系统有限公司 | Main drive system and secondary drive system used in two gear speed change gears, electric car |
| CN209552943U (en) * | 2019-02-18 | 2019-10-29 | 福建万润新能源科技有限公司 | A kind of driving device and vehicle |
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2019
- 2019-02-18 CN CN201910119086.2A patent/CN109720197A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03243425A (en) * | 1990-02-19 | 1991-10-30 | Ishikawajima Shibaura Kikai Kk | Power take-off device of tractor |
| CN1062783A (en) * | 1990-12-24 | 1992-07-15 | 易通公司 | The sel-energizing synchronizer of the balance multi-gear transmission device gearshift time and the application of force |
| CN1062784A (en) * | 1990-12-24 | 1992-07-15 | 易通公司 | The synchronizer of band deep splines and improvement boost ramps |
| JP2010048399A (en) * | 2008-08-25 | 2010-03-04 | Toyota Motor Corp | Oil pump driving device |
| JP3168577U (en) * | 2011-04-07 | 2011-06-16 | 楊 泰和 | bicycle |
| KR20150029223A (en) * | 2013-09-09 | 2015-03-18 | 주식회사 중정 | endless Transmission |
| CN206419439U (en) * | 2016-12-16 | 2017-08-18 | 上海纳铁福传动系统有限公司 | Main drive system and secondary drive system used in two gear speed change gears, electric car |
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