CN208719288U - A kind of gear box of tractor assembly combined with axial power shift transmission case - Google Patents
A kind of gear box of tractor assembly combined with axial power shift transmission case Download PDFInfo
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- CN208719288U CN208719288U CN201821468657.0U CN201821468657U CN208719288U CN 208719288 U CN208719288 U CN 208719288U CN 201821468657 U CN201821468657 U CN 201821468657U CN 208719288 U CN208719288 U CN 208719288U
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Abstract
A kind of gear box of tractor assembly combined with axial power shift transmission case, including power shifting transmission case and mechanical gear box, power shifting transmission case is connected with mechanical gear box, power shifting transmission case includes three axis, three clutches and six gears, three axis space arrangements triangular in shape, mechanical gear box includes the four main speed-change areas of gear, two keeps off secondary speed-change areas and area of creeping, and main speed-change area rear portion is connected secondary speed-change area, and secondary speed-change area rear portion series connection is creeped area；Power is input to one axis of power shifting transmission case by buffer, mechanical gear box is inputted by an axis rear portion spline housing, power shifting transmission case realizes the high and low gear of advance and reverses gear, mechanical gear box realizes 16 gears, this transmission assembly realizes 32 kinds of forward speeds and 16 kinds of reverse velocities, and gear quantity is more, electrically controlled manipulation is light, axial length is short, does not increase tractor wheelbase and whole length, generally applicable mechanical changeover tractor skill upgrading and new-product development old product transformation.
Description
Technical field
The utility model belongs to tractor technical field, is related to a kind of gear box of tractor assembly, more particularly to
A kind of gear box of tractor assembly combined with axial power shift transmission case.
Background technique
It is well known that gear box of tractor in the prior art mostly uses greatly mechanical system shift speed change to change with retroversion of advancing
To traveling, i.e., using shifting slide gear, engaging sleeve or synchronizer armstrong's patent shift and commutation, this completely manual mechanical changeover with
Reversing mode influences tractor work efficiency, increases driver's labor intensity.
For the above status, Tractor Industry has begun to focus on power shifting technology in recent years, and especially research and development power is high
Low gear and power reverse flow technique, " tractor axial power high to low gear and the power commutation biography of bulletin authorization on July 24th, 2018
Dynamic assembly " utility model patent, Patent No.: 201721850135.2, it preferably realizes advance high to low gear and reverses gear three
Power shifting, but in actual use, tractor also need more operating rates and gear, above-mentioned patented technology need with more
The gearbox of more gears carries out reasonable combination, its function of competence exertion；Bulletin authorization on September 15th, 2017 " is used for tractor
The transmission assembly to commutate with power high to low gear and power " utility model patent, Patent No.: 201720883482.9,
Operating rate and gear required for tractor have been substantially met, has shifted gears light with switching operation, improves operating efficiency.But by
In three shift clutch tandems on one axis of left chamber, axial length is multiplied, and in addition gearbox body is an entirety,
Be divided into four flywheel chamber, left chamber, lumen and right chamber cavitys with partition wall, processing technology is also more complex, assembly difficulty, manufacturing cost compared with
Height, actual use value are lower.
Utility model content
The purpose of this utility model is exactly in order to overcome the shortcomings in the prior art, to provide that axial dimension is short, manufacturing cost
The gear box of tractor assembly that a kind of and axial power shift transmission case low, gear quantity is more, work efficiency is high combines.
Purpose of the utility model is realized as follows: a kind of tractor combined with axial power shift transmission case becomes
Fast box assembly is made of power shifting transmission case with mechanical gear box, power shifting transmission case and one group of spiral shell of mechanical gear box
Bolt combination connection is integral；Power shifting transmission case includes: transmission case body, an axis, two axis, three axis, high gear clutch, low gear
Clutch, Reversing Clutch, first gear, second gear, third gear, the 4th gear, the 5th gear, the 6th gear；Power
An axis, two axis, three axis of transmission case body support in shift transmission case are triangularly arranged, and power shifting transmission case is arranged in machine
Tool gearbox front；Mechanical gear box includes gearbox body, and gearbox body is divided into main speed-change area, secondary speed-change area with partition wall and creeps
Area forms four by the fast axis of main transformer, fast two axis of main transformer, four pairs of main change gear pairs, a second gear synchronizer and three or four gear synchronizers
Keep off main speed-change area；The secondary speed-change area of two gears is formed by secondary one axis of speed change, two axis of secondary speed change, a pair of secondary change gear pair and engaging sleeve；
Two, which are formed, by sun gear, planetary gear, gear ring and planet carrier keeps off area of creeping；Main speed-change area rear portion arranged in series pair speed-change area, pair become
Fast area rear portion arranged in series is creeped area.
One axis front end of power shifting transmission case connects buffer, and a shaft rear end connects power output mandrel, exports hollow
Axle sleeve is mounted in an axis rear portion, and output hollow shaft rear end is connected with spline housing, spline housing and the fast axis connection of mechanical gear box main transformer.
The fast axis of the main transformer of mechanical gear box, fast two axis of main transformer are arranged in parallel up and down, and secondary one axis coaxial line of speed change is overlapped on
One axis rear portion of main transformer speed, secondary two axis coaxial line of speed change are arranged in the fast two axis rear portions of main transformer, secondary two axis rear portion coaxial line of speed change connection
Crawl device.
The utility model can reach following good effect afterwards by adopting the above technical scheme:
1, compact-sized, axial length is most short, is able to maintain original tractor wheelbase and whole length using the technical program
Constant, complete machine and transmission parts versatility are high, and the technological transformation for being widely used in existing machinery shift tractor is opened with new product
Hair, has broad application prospects；
2, advance is high and low keeps off and reverses gear using electrically controlled manipulation, and gear switching does not interrupt unit power, improves tractor
Operating efficiency alleviates driver's labor intensity；
3, power shifting transmission case realizes advance high gear, advance low gear and reverses gear that mechanical gear box realizes 16 gears, group
It is able to achieve 32 kinds of forward speeds after conjunction, 16 kinds of reverse velocities, gear quantity is more；
4, it is combined by two individual components, transmission case body is divided into two cabinets i.e.: power shifting cabinet and mechanical gear box
Body, parts and components processing is good with assembly process process, and manufacture is easy, and cost reduces.
Detailed description of the invention
Fig. 1 is a kind of gear box of tractor assembly combined with axial power shift transmission case of the utility model
Structure principle chart.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and embodiments.As shown in Figure 1, a kind of dynamic with triple axle
The gear box of tractor assembly of power shift transmission case combination, is made of, power is changed power shifting transmission case A and mechanical gear box B
Gear transmission case A is an individual components, and mechanical gear box B is another individual components, power shifting transmission case A and mechanical gear box B
An entirety is connected as with one group of bolt combination.
Power shifting transmission case A includes；Transmission case body 1, an axis 2, two axis 3, three axis 4 of the support of transmission case body 1 are in triangle
Shape arrangement, is equipped with first gear 5, high gear clutch 6, third gear 7 on an axis 2, on two axis 3 equipped with second gear 8, low gear from
Clutch 9, the 4th gear 10, the 5th gear 11, reverse clutch 12, the 6th gear 13 are equipped on three axis 4, and whole gears are divided into
Forward and backward two column, three gears of each column,
It is arranged in 1 front of transmission case body and rear portion, alignment high gear is distinguished between forefront gear and backgear
Clutch 6, low range clutch 9, Reversing Clutch 12；Power shifting transmission case A is arranged in the front mechanical gear box B, and power changes
Gear transmission case A realizes advance high gear, advance low gear and the three kinds of power shiftings that reverse gear.
Mechanical gear box B includes；Gearbox body 18, gearbox body 18 are divided into main speed-change area, secondary speed-change area with partition wall and climb
Row area, main speed-change area rear portion arranged in series pair speed-change area, secondary speed-change area rear portion arranged in series are creeped area.The main transformer speed of main speed-change area
Fast two about 20 axis of one axis 19, main transformer are arranged in parallel, and are arranged successively a gear driving gear 21, second gear actively on main transformer one axis 19 of speed
Gear 22, three keeps off the gear gear synchronizer 25 of driving gear 24,34 of driving gear 23, four and is arranged in three gear driving gears 23 and four gears
Between driving gear 24；A gear driven gear 26 is arranged successively on main transformer two axis 20 of speed, second gear driven gear 27, three keeps off driven tooth
28, four gear driven gear 29 of wheel, a second gear synchronizer 30 are arranged between a gear driven gear 26 and second gear driven gear 27；It is secondary
One axis of secondary speed change, 31 coaxial line of speed-change area is overlapped on 19 rear portion of the fast axis of main transformer, and secondary two axis of speed change, 32 coaxial line is arranged in main transformer
Fast two axis, 20 rear portion is equipped with deceleration driving gear 33 on secondary one axis 31 of speed change, reduction driven gear is housed on secondary two axis 32 of speed change
34 with engaging sleeve 35；The sun gear 36 in area of creeping is connect with secondary two axis of speed change, 32 rear end with spline, sun gear 36 and three planets
37 engagement of wheel, planetary gear 37 are engaged with gear ring 38, and planetary gear 37 is mounted on planet carrier 39, and gear ring 38 is fixed on gearbox body 18
Rear portion,
Gearshift sliding sleeve 40 is connect with 39 internal spline of planet carrier.
2 front end of an axis of power shifting transmission case A connects buffer 14, and 2 rear end of an axis connects power output mandrel 15, defeated
Hollow shaft 16 is sleeved on 2 rear portion of an axis out, and its rear end is connected with spline housing 17, the main transformer speed of spline housing 17 and mechanical gear box B
The connection of one axis 19.
Engine power is input to power shifting case A by an axis 2 by buffer 14, by advance high gear, advance low gear
Or after three kinds of power gear selections of reversing gear, power is input to mechanical gear box B's by the spline housing 17 of 16 rear end of output hollow shaft
Main speed-change area, it may be assumed that the first via power of power shifting case A output, the power into main speed-change area pass through a second gear synchronizer 30
Or after three or four keep off 1,2,3, the 4 four gear selection of the realization of synchronizer 25 main transformer speed, power is by fast two axis 20 output of main transformer to secondary change
Fast area realizes two secondary speed change high gear, low gear speed sectors selections by engaging sleeve 35, and power is exported extremely by secondary two axis 32 of speed change
Planet crawl device realizes two high gear of creeping, low gear speed sectors selections by gearshift sliding sleeve 40, and power is passed by gearshift sliding sleeve 40
Out to rear axle, it is able to achieve 32 kinds of forward speeds, 16 kinds of reverse velocities in this way.
Second road power of power shifting case A output is power required for tractor motive power output shaft, by power shifting
One axis of case, 2 rear end is exported to power output mandrel 15, then the power output shaft that power reaches tractor rear portion is driven agricultural machinery and implement
Work.
Finally it should be noted that: the above descriptions are merely preferred embodiments of the present invention, is not limited to
The full content of the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for ability
For the technical staff in domain, formal modification can be still carried out to technical solution documented by previous embodiment, or
Equivalent replacement of some of the technical features.All made form modifications within the thinking enlightenment of the utility model,
Equivalent replacement etc., should be included within the rights protection scope of the utility model.
Claims (3)
1. a kind of gear box of tractor assembly that shift transmission case combine with axial power, by power shifting transmission case (A) and
Mechanical gear box (B)；Power shifting transmission case (A) includes: transmission case body (1), an axis (2), two axis (3), three axis (4), high gear
Clutch (6), low range clutch (9), Reversing Clutch (12), first gear (5), second gear (8), third gear (7),
Four gears (10), the 5th gear (11), the 6th gear (13)；It is characterized by: the transmission case body in power shifting transmission case (A)
(1) axis (2), two axis (3), three axis (4) supported are triangularly arranged, and power shifting transmission case A is arranged in mechanical gear box
(B) front is bolted with one group as an entirety；Mechanical gear box (B) includes gearbox body (18), and gearbox body (18) is used
Partition wall is divided into main speed-change area, secondary speed-change area and area of creeping；By the fast axis (19) of main transformer, fast two axis (20) of main transformer, four pairs of main transformer speed
The four main speed-change area of gear of gear pair, a second gear synchronizer (30) and three or four gear synchronizer (25) composition；By secondary one axis of speed change (31), pair
Two axis of speed change (32), a pair of secondary change gear pair and engaging sleeve (35) composition two keep off secondary speed-change area；By sun gear (36), planetary gear
(37), gear ring (38) and planet carrier (39) composition two keep off area of creeping；Main speed-change area rear portion arranged in series pair speed-change area, secondary speed-change area
Rear portion arranged in series is creeped area.
2. a kind of gear box of tractor assembly combined with axial power shift transmission case according to claim 1,
Be characterized in that: an axis (2) front end connection buffer (14) of power shifting transmission case (A), an axis (2) rear end connect power output
Mandrel (15), output hollow shaft (16) are sleeved on an axis (2) rear portion, and output hollow shaft (16) rear end is connected with spline housing (17),
Spline housing (17) is connect with the fast axis (19) of the main transformer in mechanical gear box (B).
3. a kind of gear box of tractor assembly combined with axial power shift transmission case according to claim 1,
Be characterized in that: the fast axis (19) of the main transformer of mechanical gear box (B), fast two axis (20) of main transformer are arranged in parallel up and down, secondary one axis of speed change
(31) coaxial line is overlapped on a fast axis (20) rear portion of main transformer, after secondary two axis of speed change (32) coaxial line is arranged in fast two axis (20) of main transformer
Portion, secondary two axis of speed change (32) rear portion coaxial line connect crawl device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468657.0U CN208719288U (en) | 2018-09-10 | 2018-09-10 | A kind of gear box of tractor assembly combined with axial power shift transmission case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468657.0U CN208719288U (en) | 2018-09-10 | 2018-09-10 | A kind of gear box of tractor assembly combined with axial power shift transmission case |
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| CN208719288U true CN208719288U (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821468657.0U Active CN208719288U (en) | 2018-09-10 | 2018-09-10 | A kind of gear box of tractor assembly combined with axial power shift transmission case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939696A (en) * | 2019-12-19 | 2020-03-31 | 江苏常发农业装备股份有限公司 | Power reversing speed change assembly and high-low gear reversing system |
-
2018
- 2018-09-10 CN CN201821468657.0U patent/CN208719288U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939696A (en) * | 2019-12-19 | 2020-03-31 | 江苏常发农业装备股份有限公司 | Power reversing speed change assembly and high-low gear reversing system |
| CN110939696B (en) * | 2019-12-19 | 2023-09-12 | 江苏常发农业装备股份有限公司 | Power reversing speed change assembly and high-low gear reversing system |
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