CN209414562U - More gear power shifting transmission cases - Google Patents
More gear power shifting transmission cases Download PDFInfo
- Publication number
- CN209414562U CN209414562U CN201821838422.6U CN201821838422U CN209414562U CN 209414562 U CN209414562 U CN 209414562U CN 201821838422 U CN201821838422 U CN 201821838422U CN 209414562 U CN209414562 U CN 209414562U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 239000007787 solid Substances 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 20
- 238000012271 agricultural production Methods 0.000 abstract description 3
- 210000000515 tooth Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of more gear power shifting transmission cases, including gearbox main tank and gear box sub-case；Gear box sub-case is provided with secondary gear shift mechanism, has road gear, field gear, bottom gear, gear of going slowly, and secondary speed change gear is more, three pairs of gears, 4 gears, compact-sized, gear utilization rate height；Gearbox main tank is provided with commutation adjustment mechanism and main transformer quick change retaining device, and 1 retreating gear and 4 forward gears are arranged, the switching of gear is implemented in combination with by the separation of different clutches；The utility model can export 16 forward gears and 4 retroversion gears, gearbox gear is more, compact-sized, and conducive to requirement of the agricultural production to tractor gear is met, speed ratio is reasonable and can be realized power commutation, it is easy to operate, it can satisfy tractor different operating environment and engineer operation range；Gearbox is divided to two sections, compact-sized, light-weight, easy to operate, substantially reduce labor intensity of operating staff；It is able to achieve semiautomatic control or even Automatic Control.
Description
Technical field
The utility model relates to gear box of tractor technical field more particularly to a kind of more gear power shifting transmission cases.
Background technique
Currently, domestic tractor transmission system is there are mainly two types of form, mechanical changeover and power shifting, mechanical changeover is main
The switching of tractor gear is carried out using engaging sleeve or synchronizer etc., when shift need to separate main clutch, cut off power, cannot
Load shift, influences operating efficiency, and the mode that cutting power transmitting is shifted gears is not able to satisfy tractor in different operating environment
Demand；It is poor that domestic power shifting tractor gear shifting box gear lacks dynamic property, belongs to the research starting stage, and power shifting gear section is few
And cannot achieve power commutation, the effect of the real high-efficient homework of power shifting cannot be achieved, individual gearboxes realize that tractor is more
Gear speed change and deflecting function, but have to increase gear box quantity, cause gear excessively complicated, makes gearbox
Cabinet is excessively huge, causes manufacturing cost excessively high, it is difficult to meet market for power shifting tractor application demand.
Utility model content
The technical problem to be solved by the utility model is to provide it is a kind of it is compact-sized, gear is more, easy to operate and can
Realize more gear power shifting transmission cases of power commutation.
In order to solve the above technical problems, the technical solution of the utility model is: more gear power shifting transmission cases, including case
Body and the gearshift in the cabinet, for manipulating the output of gearbox revolving speed；The cabinet includes gearbox main tank
And gear box sub-case；It is equipped in the gear box sub-case with the power input shaft of power end transmission connection, an axis and to first
The secondary gear shift mechanism that beginning input speed is adjusted, the power input shaft extend to described through the gear box sub-case
In gearbox main tank, an axis passes through the gear box sub-case and extends in the gearbox main tank, the gearbox main tank
Inside it is also equipped with two axis, commutation adjustment mechanism and main transformer quick change retaining device with drive axle transmission connection.
The secondary gear shift mechanism is upper including being sequentially arranged at the power input shaft as a preferred technical solution,
In high speed driving gear, clutch one, middling speed driving gear, clutch two and low speed driving tooth in the gear box sub-case
Wheel, the friction plate of the clutch one is fixedly connected by spline with the power input shaft, the shell of the clutch one, in
Fast driving gear, the clutch two shell be fixedly connected and be sleeved on the power input shaft, the clutch two
Friction plate is fixedly connected with low-speed active gear by spline and is sleeved on the power input shaft；
The pair gear shift mechanism further includes being sequentially arranged at the height being located in the gear box sub-case on an axis
Fast driven gear, clutch three, middling speed driven gear, clutch four and low speed driven gear, the friction plate of the clutch three
It is fixedly connected and is sleeved on an axis with high speed driven gear by spline, the shell of the clutch three, middling speed are passive
Gear, the clutch four shell be fixedly connected and be sleeved on an axis, the friction plate of the clutch four passes through flower
Key is fixedly connected with an axis.
The commutation adjustment mechanism includes being mounted on the power input shaft positioned at described as a preferred technical solution,
Reverse idler gear in gearbox main tank is equipped with the driving tooth that reverses gear on the axis in the gearbox main tank
Wheel is equipped with reverse clutch on two axis and the driven gear that reverses gear, the shell of the reverse clutch and it is described reverse gear by
Moving gear is fixedly connected and is sleeved on two axis, and the friction plate of the reverse clutch is fixedly connected with two axis.
The main transformer quick change retaining device includes being sequentially arranged on an axis positioned at described as a preferred technical solution,
Four gear driving gears, clutch five, three in gearbox main tank keep off driving gear, clutch six and two gear driving gear, described
The friction plate of clutch five is fixedly connected by spline with an axis, the shell of the clutch five, the three gears driving tooth
Wheel, the clutch six shell be fixedly connected and be sleeved on an axis, the friction plate of the clutch six passes through spline
It is fixedly connected and is sleeved on an axis with two gear driving gear；
The main transformer quick change retaining device further include be sequentially arranged on two axis four gear driven gears, clutch seven,
Three gear driven gears, clutch eight and second gear driven gear, the friction plate of the clutch seven is by spline with four gear passive tooths
Wheel is fixedly connected and is sleeved on two axis, the shell of the clutch seven, three gear driven gears and the clutch eight
Shell is fixedly connected and is sleeved on two axis, and the friction plate of the clutch eight is by spline with the fixed company of two axis
It connects.
By adopting the above-described technical solution, the beneficial effects of the utility model are: that the utility model discloses one kind is more
Gear power shifting transmission case, including gearbox main tank and gear box sub-case；Gear box sub-case is provided with secondary gear shift mechanism,
(T gear), bottom gear (L gear), gear of going slowly (M gear) are kept off with road gear (D gear), field, secondary speed change gear is more, and three pairs gear 4
Gear, compact-sized, gear utilization rate height；Gearbox main tank is provided with commutation adjustment mechanism and main transformer quick change retaining device, setting 1
A retreating gear and 4 forward gears, the switching of gear is implemented in combination with by the separation of different clutches；The utility model can export
16 forward gears and 4 retroversion gears, gearbox gear is more, compact-sized, wants conducive to agricultural production is met to tractor gear
It asks, speed ratio is reasonable and can be realized power commutation, and it is easy to operate, it can satisfy tractor different operating environment and engineer operation model
It encloses；Gearbox is divided to two sections, compact-sized, light-weight, easy to operate, substantially reduce labor intensity of operating staff；It is able to achieve half certainly
Dynamic control or even Automatic Control.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the structural schematic diagram of the utility model embodiment；
In figure: a- gear box sub-case；B- gearbox main tank；S1- power input shaft；Mono- axis of S2-；Bis- axis of S3-；11- high speed
Driving gear；12- high speed driven gear；21- middling speed driving gear；22- middling speed driven gear；31- low-speed active gear；32-
Low speed driven gear；41- reverse idler gear；42- reverses gear driving gear；42- reverses gear driven gear；51- tetra- keeps off driving gear；
52- tetra- keeps off driven gear；61- tri- keeps off driving gear；62- tri- keeps off driven gear；71- two gear driving gear；72- second gear passive tooth
Wheel；C1- clutch one；C2- clutch two；C3- clutch three；C4- clutch four；C5- clutch five；C6- clutch six；
C7- clutch seven；C8- clutch eight；CR- reverse clutch.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through
Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with
It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim
Range.
As shown in Figure 1, more gear power shifting transmission cases, including cabinet and it is set in the cabinet, becomes for manipulating
The gearshift (not shown) of fast case revolving speed output；The cabinet includes gearbox main tank a and gear box sub-case b, described
Gearbox main tank a and the gear box sub-case b are structure as a whole；It is equipped with to be driven with power end in the gear box sub-case b and connect
The power input shaft S1, the axis S2 that connect and the secondary gear shift mechanism being adjusted to initial input revolving speed, the power are defeated
Enter axis S1 to extend in the gearbox main tank a through the gear box sub-case b, the both ends of the power input shaft S1 are stretched out
Outside the cabinet, the axis S2 passes through the gear box sub-case b and extends in the gearbox main tank a, in the present embodiment,
The both ends of the one axis S2 are installed in the cabinet；It is also equipped in the gearbox main tank a and is sequentially connected with drive axle
Two axis S3, commutation adjustment mechanism and main transformer quick change retaining device.
With reference to Fig. 1, the pair gear shift mechanism includes being sequentially arranged on the power input shaft S1 to be located at the change
High speed driving gear 11, one C1 of clutch, middling speed driving gear 21, two C2 of clutch and low speed driving tooth in fast case odd-side b
Wheel 31, the friction plate of one C1 of clutch is fixedly connected by spline with the power input shaft S1, one C1 of clutch
Shell, middling speed driving gear 21, two C2 of the clutch shell be fixedly connected and be sleeved on the power input shaft S1,
The friction plate of two C2 of clutch is fixedly connected with low-speed active gear 31 by spline and is sleeved on the power input shaft
On S1；The pair gear shift mechanism further includes being sequentially arranged at the height being located in the gear box sub-case b on the axis S2
Fast driven gear 12, three C3 of clutch, middling speed driven gear 22, four C4 of clutch and low speed driven gear 32, the clutch
The friction plate of three C3 is fixedly connected with high speed driven gear 12 and is sleeved on the axis S2 by spline, the clutch three
The shell of C3, middling speed driven gear 22, four C4 of the clutch shell be fixedly connected and be sleeved on the axis S2, it is described
The friction plate of four C4 of clutch is fixedly connected by spline with the axis S2.
The shell of one C1 of clutch, middling speed driving gear 21, two C2 of the clutch shell be fixedly connected as one
A rigid body can be rotated around the power input shaft S1；It is the shell of three C3 of clutch, middling speed driven gear 22, described
The shell of four C4 of clutch is fixedly connected as a rigid body, can rotate around the axis S2.When one C1's of clutch
When the friction plate of shell and one C1 of clutch contact, i.e., described one C1 of the clutch engagement, otherwise one C1 of clutch points
From；When the friction plate of the shell of two C2 of clutch and two C2 of clutch contacts, i.e., described two C2 of the clutch engagement,
Otherwise two C2 of the clutch separation；When the friction plate of the shell of three C3 of clutch and three C3 of clutch contacts,
I.e. described three C3 of the clutch engagement, otherwise three C3 of clutch separation；Shell and the clutch as four C4 of clutch
When the friction plate contact of four C4 of device, i.e., described four C4 of the clutch engagement, on the contrary four C4 of clutch separation.
With reference to Fig. 1, the drive path of secondary gear shift mechanism is specific as follows:
Road keeps off (D gear): manipulation gearshift, three C3 of clutch and four C4 of clutch engagement, one C1 of clutch and clutch
Two C2 of device separation, drive path at this time are as follows: power input shaft S1 → high speed 11 → high speed of driving gear driven gear 12 → from
Three C3 of clutch → clutch axis of four C4 → mono- S2 → gearbox main tank a；
Field keeps off (T gear): manipulation gearshift, one C1 of clutch and four C4 of clutch engagement, two C2 of clutch and clutch
Three C3 of device separation, drive path at this time are as follows: power input shaft S1 → one C1 of clutch → middling speed driving gear 21 → middling speed quilt
22 → clutch of moving gear axis of four C4 → mono- S2 → gearbox main tank a；
Bottom gear (L gear): manipulation gearshift, two C2 of clutch and three C3 of clutch engagement, one C1 of clutch and clutch
Four C4 of device separation, drive path at this time are as follows: power input shaft S1 → high speed 11 → high speed of driving gear driven gear 12 → from
Three C3 of clutch → two C2 of middling speed driven gear 22 → middling speed, 21 → clutch of driving gear → low-speed active gear 31 → low speed quilt
32 → mono- axis S2 of moving gear → gearbox main tank a；
It goes slowly gear (M gear): manipulation gearshift, one C1 of clutch and two C2 of clutch engagement, three C3 of clutch and clutch
Four C4 of device engagement separation, drive path at this time are as follows: power input shaft S1 → one C1 of clutch → two C2 of clutch → low speed master
31 → low speed of moving gear driven gear, 32 → mono- axis S2 → gearbox main tank a；
The commutation adjustment mechanism includes being mounted on to be located at falling in the gearbox main tank a on the power input shaft S1
Intermediate gear 41 is kept off, the driving gear 42 that reverses gear, two axis are installed on the axis S2 in the gearbox main tank a
Reverse clutch CR is installed and the driven gear 43 that reverses gear, the shell of the reverse clutch CR and the passive tooth of reversing gear on S3
Wheel 43 is fixedly connected and is sleeved on the two axis S3, the friction plate of the reverse clutch CR and the fixed company of the two axis S3
It connects.When the friction plate of the shell of the reverse clutch CR and the reverse clutch CR contacts, i.e., the described reverse clutch
CR engagement, otherwise reverse clutch CR separation.
The main transformer quick change retaining device includes being sequentially arranged at four be located in the gearbox main tank a on the axis S2
Keep off driving gear 51, five C5 of clutch, three gear driving gears 61, six C6 of clutch and two gear driving gear 71, the clutch
The friction plate of five C5 is fixedly connected by spline with the axis S2, the shell of five C5 of clutch, the three gears driving tooth
The shell for taking turns 61, six C6 of the clutch is fixedly connected and is sleeved on the axis S2, the friction plate of six C6 of clutch
It is fixedly connected and is sleeved on the axis S2 with two gear driving gear 71 by spline；The main transformer quick change retaining device further includes
Be sequentially arranged on the two axis S3 four gear driven gears 52, seven C7 of clutch, three gear driven gears 62, eight C8 of clutch and
The friction plate of second gear driven gear 72, seven C7 of clutch is fixedly connected and is sleeved on four gear driven gears 52 by spline
On the two axis S3, the shell of the shell of seven C7 of clutch, three gear driven gears 62 and eight C8 of the clutch is fixed to be connected
It connects and is sleeved on the two axis S3, the friction plate of eight C8 of clutch is fixedly connected by spline with the two axis S3.
The shell of five C5 of clutch, it is described three gear driving gear 61, six C6 of the clutch shell be fixedly connected
For a rigid body, can be rotated around the axis S2；The shell of seven C7 of clutch, three gear driven gears 62 and it is described from
The shell of eight C8 of clutch is fixedly connected as a rigid body, can rotate around the two axis S3.When the shell of five C5 of clutch
When the friction plate of body and five C5 of clutch contact, i.e., described five C5 of the clutch engagement, on the contrary five C5 of clutch separation；
When the friction plate of the shell of six C6 of clutch and six C6 of clutch contacts, i.e., described six C6 of the clutch engagement, instead
Six C6 of the clutch separation；When the friction plate of the shell of seven C7 of clutch and seven C7 of clutch contacts, i.e.,
Seven C7 of the clutch engagement, otherwise seven C7 of clutch separation；When the shell and the clutch of eight C8 of clutch
When the friction plate contact of eight C8, i.e., described eight C8 of the clutch engagement, on the contrary eight C8 of clutch separation.
Drive path with reference to Fig. 1, the adjustment mechanism that commutates is specific as follows:
Fall back gear: manipulation gearshift, reverse clutch CR engagement, five C5 of clutch, six C6 of clutch, seven C7 of clutch
Engagement, eight C8 of clutch separation, drive path at this time are as follows: an axis S2 → 42 → reverse idler gear of driving gear 41 that reverses gear →
Reverse gear 43 → reverse clutch of driven gear axis of CR → bis- S3 → drive axle；
With reference to Fig. 1, the drive path of main transformer quick change retaining device is specific as follows:
One gear: manipulation gearshift, six C6 of clutch, seven C7 of clutch engagement, reverse clutch CR, five C5 of clutch,
Eight C8 of clutch separation, drive path at this time are as follows: an axis S2 → tetra- keeps off driving gear 51 → tetra- and keeps off 52 → clutch of driven gear
It is passive that device seven C7 → tri- keeps off gear 61 → clutch of driving gear, the six C6 → 71 → second gear of two gear driving gear of driven gear 62 → tri-
72 → bis- axis S3 of gear → drive axle；
Second gear: manipulation gearshift, five C5 of clutch, six C6 of clutch engagement, reverse clutch CR, seven C7 of clutch,
Eight C8 of clutch separation, drive path at this time are as follows: an axis S2 → five C5 of clutch → six C6 of clutch → two gear driving gear
71 → second gear driven gear, 72 → bis- axis S3 → drive axle；
Three gear: manipulation gearshift, five C5 of clutch, eight C8 of clutch engagement, reverse clutch CR, six C6 of clutch,
Seven C7 of clutch separation, drive path at this time are as follows: an axis S2 → clutch five C5 → tri- gear gear of driving gear 61 → tri- is passive
62 → clutch of gear axis of eight C8 → bis- S3 → drive axle；
Four gear: manipulation gearshift, five C5 of clutch, eight C8 of clutch engagement, reverse clutch CR, five C5 of clutch,
Six C6 of clutch separation, drive path at this time are as follows: an axis S2 → tetra- keeps off driving gear 51V → tetra- and keeps off 52 → clutch of driven gear
Seven C7 of device → clutch axis of eight C8 → bis- S3 → drive axle.
The utility model discloses a kind of more gear power shifting transmission cases, including gearbox main tank a and gear box sub-case
b；Gear box sub-case b is provided with secondary gear shift mechanism, have road gear (D gear), field gear (T gear), bottom gear (L gear), slowly
Row gear (M gear), secondary speed change gear is more, three pairs of gears, 4 gears, compact-sized, gear utilization rate height；Gearbox main tank a setting
There are commutation adjustment mechanism and main transformer quick change retaining device, 1 retreating gear and 4 forward gears are set, the separation of different clutches is passed through
It is implemented in combination with the switching of gear；The utility model can export 16 forward gears and 4 retroversions gear, and gearbox gear is more, structure
Compact, conducive to requirement of the agricultural production to tractor gear is met, speed ratio is reasonable and can be realized power commutation, easy to operate,
It can satisfy tractor different operating environment and engineer operation range；Gearbox is divided to two sections, compact-sized, light-weight, manipulation side
Just, labor intensity of operating staff is substantially reduced；It is able to achieve semiautomatic control or even Automatic Control.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
- The power shifting transmission case of gear more than 1., including cabinet and in the cabinet, for manipulate gearbox revolving speed output Gearshift；It is characterized by: the cabinet includes gearbox main tank and gear box sub-case；Installation in the gear box sub-case There are power input shaft, an axis and the secondary gear shift machine being adjusted to initial input revolving speed with power end transmission connection Structure, the power input shaft extend in the gearbox main tank through the gear box sub-case, and an axis passes through the change Fast case odd-side extends in the gearbox main tank, and two with drive axle transmission connection are also equipped in the gearbox main tank Axis, commutation adjustment mechanism and main transformer quick change retaining device.
- 2. more gear power shifting transmission cases as described in claim 1, it is characterised in that: the pair gear shift mechanism includes It is sequentially arranged at high speed driving gear, the clutch one, middling speed master being located in the gear box sub-case on the power input shaft The friction plate of moving gear, clutch two and low-speed active gear, the clutch one is solid with the power input shaft by spline Fixed connection, the shell of the clutch one, middling speed driving gear, the clutch two shell be fixedly connected and be sleeved on described On power input shaft, the friction plate of the clutch two is fixedly connected with low-speed active gear by spline and is sleeved on described dynamic On power input shaft；The pair gear shift mechanism further includes being sequentially arranged at the high speed quilt being located in the gear box sub-case on an axis The friction plate of moving gear, clutch three, middling speed driven gear, clutch four and low speed driven gear, the clutch three passes through Spline is fixedly connected with high speed driven gear and is sleeved on an axis, the shell of the clutch three, middling speed driven gear, The shell of the clutch four is fixedly connected and is sleeved on an axis, and the friction plate of the clutch four is by spline with institute An axis is stated to be fixedly connected.
- 3. more gear power shifting transmission cases as described in claim 1, it is characterised in that: the commutation adjustment mechanism includes peace The reverse idler gear being located in the gearbox main tank on the power input shaft, in the gearbox main tank The driving gear that reverses gear is installed on one axis, reverse clutch is installed on two axis and is reversed gear driven gear, it is described fall The shell of gear clutch is fixedly connected with the driven gear that reverses gear and is sleeved on two axis, and the reverse clutch rubs Pad is fixedly connected with two axis.
- 4. more gear power shifting transmission cases as claimed in claim 1,2 or 3, it is characterised in that: the main gear shift machine Structure includes being sequentially arranged at four gear driving gears being located in the gearbox main tank on an axis, the gear master of clutch five, three The friction plate of moving gear, clutch six and two gear driving gear, the clutch five is fixedly connected by spline with an axis, The shell of the clutch five, it is described three gear driving gear, the clutch six shell be fixedly connected and be sleeved on described one On axis, the friction plate of the clutch six is fixedly connected with two gear driving gear by spline and is sleeved on an axis；The main transformer quick change retaining device further includes that four gear driven gears, the clutch seven, three being sequentially arranged on two axis are kept off The friction plate of driven gear, clutch eight and second gear driven gear, the clutch seven is solid with four gear driven gears by spline It connects and is sleeved on two axis calmly, the shell of the shell of the clutch seven, three gear driven gears and the clutch eight It is fixedly connected and is sleeved on two axis, the friction plate of the clutch eight is fixedly connected by spline with two axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821838422.6U CN209414562U (en) | 2018-11-08 | 2018-11-08 | More gear power shifting transmission cases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821838422.6U CN209414562U (en) | 2018-11-08 | 2018-11-08 | More gear power shifting transmission cases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414562U true CN209414562U (en) | 2019-09-20 |
Family
ID=67933470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821838422.6U Expired - Fee Related CN209414562U (en) | 2018-11-08 | 2018-11-08 | More gear power shifting transmission cases |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414562U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108029A (en) * | 2021-03-26 | 2021-07-13 | 吉林大学 | 12-speed power high-low gear and power reversing gearbox |
| WO2024000979A1 (en) * | 2022-06-28 | 2024-01-04 | 江苏汇智高端工程机械创新中心有限公司 | Multi-gear full-automatic gearbox for port machinery |
| RU2819461C2 (en) * | 2022-06-28 | 2024-05-21 | Цзянсу Эдвансед Констракшн Машинэри Инновейшн Сентер Лтд. | Multistage fully automatic gearbox of harbour facilities |
-
2018
- 2018-11-08 CN CN201821838422.6U patent/CN209414562U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108029A (en) * | 2021-03-26 | 2021-07-13 | 吉林大学 | 12-speed power high-low gear and power reversing gearbox |
| CN113108029B (en) * | 2021-03-26 | 2024-05-03 | 吉林大学 | 12-Speed power high-low gear and power reversing gearbox |
| WO2024000979A1 (en) * | 2022-06-28 | 2024-01-04 | 江苏汇智高端工程机械创新中心有限公司 | Multi-gear full-automatic gearbox for port machinery |
| RU2819461C2 (en) * | 2022-06-28 | 2024-05-21 | Цзянсу Эдвансед Констракшн Машинэри Инновейшн Сентер Лтд. | Multistage fully automatic gearbox of harbour facilities |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 |