CN205244309U - Tractor is with split type power shift gearbox - Google Patents
Tractor is with split type power shift gearbox Download PDFInfo
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- CN205244309U CN205244309U CN201520914072.7U CN201520914072U CN205244309U CN 205244309 U CN205244309 U CN 205244309U CN 201520914072 U CN201520914072 U CN 201520914072U CN 205244309 U CN205244309 U CN 205244309U
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Abstract
The utility model provides a tractor is with split type power shift gearbox, it is mainly by engine adapting unit, transfer case and active force case, engine adapting unit include a high elastic coupling and housing, the transfer case export the parallel axis structure for single input more, including box part, input member, output unit, lazy spindle unit, get do all can part and power takeoff part, the active force case be six first three power that fall gearboxes of shifting, including box part, K1V clutch component, K2R clutch component, K34 clutch component, idler part, output unit, oil pump, operating valve part and electrical system, wherein the shafting of each part adopts parallel arrangement, fixed axis rotation, high elastic coupling one end is connected with the engine flywheel, and the other end is connected with the transfer case input shaft through the spline, and the transfer case output shaft is connected through the spline with active force case input shaft, it has simple structure, reasonable, uses characteristics such as easy maintenance.
Description
Technical field
The utility model relates to the split type Powershift transmission of a kind of used with tractor, belong to used with tractor Powershift transmission technical field.
Background technology
The high-power range section internal speed-changing case that current domestic tractor Corporation R & D goes out is mostly tooth gearbox or synchronized gearshift, this type of output of products moment of torsion and rotation speed change are larger, when gearshift, need first stepping on clutch, and gearshift is had relatively high expectations opportunity, inaccurate easily the causing of gearshift assurance on opportunity is made into larger impact or flame-out, thereby causes labour intensity to increase, gearshift time lengthening, operating efficiency is low, and power performance and the economy performance is difficult to ensure. Existing dynamic power shift gear box is mostly imported product or introduction of foreign technology, external this product structure is very complicated, all adopt monolithic construction, and maintenance is inconvenience very, cost is higher, and be not suitable for domestic market, and due to domestic at automatically controlled, hydraulic pressure with mechanically also have more problem, domesticly also there is the problems such as many manufactures, manufacturing process, reliability and car load coupling copying on this series products.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and provides a kind of drive path simple, and conveniently, operating efficiency is high for installation, maintenance and operation, and low cost of manufacture is easy to the big-powered tractor dynamic power shift gear box of manufacturing and promoting. It can meet tractor requirement in high-power range section better, is easy to the popularization of big-powered tractor Powershift transmission.
The purpose of this utility model completes by following technical solution, the split type Powershift transmission of a kind of used with tractor, it is mainly by engine attaching parts, transfer case and active force case, and described engine attaching parts comprise a highly elastic shaft coupling and case; Described transfer case is the many output of single input parallel axes structure, comprises box part, input block, output block, lazy spindle unit, power taking parts and power takeoff parts; Described active force case is six first three dynamic power shift gear boxes that fall, comprise box part, K1/V clutch components, K2/R clutch components, K3/4 clutch components, idle pulley parts, output block, oil pump, control valve parts and electric-control system, wherein the axle of each parts system adopts and is arranged in parallel, fixed-axis rotation; Highly elastic shaft coupling one end is connected with engine flywheel, and the other end is connected with transfer case power shaft by spline, and transfer case output shaft is connected by spline with active force case power shaft.
As preferably: second engagement of described transfer case on the first gear and lazy spindle unit, the second gear engages respectively with the 3rd gear of power taking parts and the gear of output block simultaneously; Described the 3rd gear engages with the 4th gear of power takeoff parts; Described power taking parts are provided with two power taking mouths that power is provided in order to other devices on car load.
As preferably: two power taking mouths of described power taking parts setting comprise that two covers engage and throw off and carry out the output of PTO power and the K5 clutch of disconnection and K6 clutch by handling valve member control on casing;
As preferably: all travelling gears in K1/V clutch components, K2/R clutch components, K3/4 clutch components, lazy spindle unit and output block in described active force case by roller bearings in casing; Oil pump is built-in and adopt crescent gear pump, for the control valve parts of active force case and transfer case provide hydraulic oil, simultaneously for active force case provides lubricating oil.
As preferably: described control valve parts are formed in parallel by two integrated units, the side of installation and active force case, another is arranged on transfer case top; The electric-control system being connected with control valve parts is selected 6 front 3 selectors that fall and a switching value button composition.
The utility model has adopted the Split type structure of being convenient to the manufacturing, is also convenient to later maintenance simultaneously; Engine attaching parts select highly elastic shaft coupling can have the effect of buffering and damping, while reducing gearshift, impact, and improve the quality of gearshift.
The utility model belongs to the improvement to existing foreign technology, it has simple and reasonable, easy maintenance, can realize semiautomatic control and even Automatic Control, handiness is flexible, and technical indicator is more advanced, be easy to manufacture, installation, maintenance and operation convenience, low cost of manufacture, " three change " degree high of main parts size.
Brief description of the drawings
Fig. 1 is structure theory of constitution figure of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is done to detailed introduction: shown in Fig. 1, the split type Powershift transmission of a kind of used with tractor described in the utility model, it is mainly by engine attaching parts 1, transfer case 4 and active force case 14, and described engine attaching parts comprise a highly elastic shaft coupling 2 and case 3; Described transfer case 4 is the many output of single input parallel axes structure, comprises box part 5, input block 7, output block 6, lazy spindle unit 8, power taking parts 9 and power takeoff parts 10; Described active force case is six first three dynamic power shift gear boxes that fall, comprise box part 13, K1/V clutch components 16, K2/R clutch components 17, K3/4 clutch components 18, idle pulley parts 12, output block 19, oil pump 15, control valve parts and electric-control system, wherein the axle of each parts system adopts and is arranged in parallel, fixed-axis rotation; Highly elastic shaft coupling 2 one end are connected with engine flywheel, and the other end is connected with transfer case power shaft by spline, and transfer case output shaft is connected by spline with active force case power shaft.
Shown in figure, the two Z2 engagement of described transfer case 4 on the first gear Z1 and lazy spindle unit 8, the second gear Z2 engages respectively with the 3rd gear Z3 of power taking parts 9 and the gear Z5 of output block 6 simultaneously; Described the 3rd gear Z3 engages with the 4th gear Z4 of power takeoff parts 10; Described power taking parts 9 are provided with two power taking mouths that power is provided in order to other devices on car load.
Two power taking mouths that described power taking parts 9 arrange comprise that two covers engage and throw off and carry out the output of PTO power and the K5 clutch of disconnection and K6 clutch by handling valve member control on casing;
All travelling gears in K1/V clutch components 16, K2/R clutch components 17, K3/4 clutch components 18, lazy spindle unit 12 and output block 19 in described active force case by roller bearings in casing; Oil pump 15 is built-in and adopt crescent gear pump, for the control valve parts of active force case and transfer case provide hydraulic oil, simultaneously for active force case provides lubricating oil.
Described control valve parts are formed in parallel by two integrated units, the side of installation and active force case, and another is arranged on transfer case top; The electric-control system being connected with control valve parts is selected 6 front 3 selectors that fall and a switching value button composition.
The utility model has adopted highly elastic shaft coupling can avoid the resonance of engine and gearbox, when its cushioning effect can reduce gearshift, impacts, and improves shift quality, improves transmission performance, has improved reliability.
In the utility model, transfer case has adopted the structure of the many outputs of single input, and its PTO is output as agricultural machinery and implement that tractor is hung power is provided, and two power taking mouths can provide power for other devices on tractor, and it is output as active force case transferring power. This compact conformation, and PTO is output as power shift type, increase functional reliability and security.
The utility model active force case is configured to basis with common 6 front 3 reverse gear positions in engineering machinery, and its gear mostly adopts 24 ° of pressure angle straight-tooth, has improved the transmission capacity of transmission device under the constant prerequisite of gearbox volume; Its parallel axes, all gears of dead axle structural requirement support by rolling bearing, thereby have effectively reduced noise.
The utility model adopts wet clutch, control mode is electrichydraulic control, transfer case PTO gearshift electric-control system has adopted shift knob, active force case gearshift electric-control system is selected 6 front 3 selectors that fall, simplify operation, make gear shift operation more convenient, reduced operator's labour intensity, improved operation comfort.
A part of parts such as clutch of the present utility model, operative gear, electric-control system, control valve adopt existing mature structure and design, greatly reduce manufacturing cost.
The utility model adopts split-type structural, and the case 3 of engine attaching parts is with bolts with the casing 5 of transfer case, and the casing 5 of transfer case is connected by adpting flange with active force case 14. This Split type structure is in manufacture process, and every part is independently manufactured, and greatly reduces like this part difficulty of processing (especially casing difficulty of processing), makes to assemble more convenient, has improved production efficiency, has reduced production cost. This Split type structure is convenient to dismounting, thereby is convenient to safeguard, has improved maintenanceability.
Claims (5)
1. the split type Powershift transmission of used with tractor, it is characterized in that mainly by engine attaching parts (1), transfer case (4) and active force case (14) described engine attaching parts comprise a highly elastic shaft coupling (2) and case (3); Described transfer case (4) is the many output of single input parallel axes structure, comprises box part (5), input block (7), output block (6), lazy spindle unit (8), power taking parts (9) and power takeoff parts (10); Described active force case is six first three dynamic power shift gear boxes that fall, comprise box part (13), K1/V clutch components (16), K2/R clutch components (17), K3/4 clutch components (18), idle pulley parts (12), output block (19), oil pump (15), control valve parts and electric-control system, wherein the axle of each parts system adopts and is arranged in parallel, fixed-axis rotation; Highly elastic shaft coupling (2) one end is connected with engine flywheel, and the other end is connected with transfer case power shaft by spline, and transfer case output shaft is connected by spline with active force case power shaft.
2. the split type Powershift transmission of used with tractor according to claim 1, it is characterized in that second gear (Z2) engagement of described transfer case (4) on the first gear (Z1) and lazy spindle unit (8), the second gear (Z2) engages respectively with the 3rd gear (Z3) of power taking parts (9) and the gear (Z5) of output block (6) simultaneously; Described the 3rd gear (Z3) engages with the 4th gear (Z4) of power takeoff parts (10); Described power taking parts (9) are provided with two power taking mouths that power is provided in order to other devices on car load.
3. the split type Powershift transmission of used with tractor according to claim 2, is characterized in that two power taking mouths that described power taking parts (9) arrange comprise that two covers engage and throw off and carry out the output of PTO power and the K5 clutch of disconnection and K6 clutch by handling valve member control on casing.
4. the split type Powershift transmission of used with tractor according to claim 1, it is characterized in that all travelling gears in K1/V clutch components (16), K2/R clutch components (17), K3/4 clutch components (18), lazy spindle unit (12) and the output block (19) in described active force case by roller bearings in casing; Oil pump (15) is built-in and adopt crescent gear pump, for the control valve parts of active force case and transfer case provide hydraulic oil, simultaneously for active force case provides lubricating oil.
5. according to the split type Powershift transmission of used with tractor described in claim 1 or 3 or 4, it is characterized in that described control valve parts are formed in parallel by two integrated units, the side of installation and active force case, another is arranged on transfer case top; The electric-control system being connected with control valve parts is selected 6 front 3 selectors that fall and a switching value button composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914072.7U CN205244309U (en) | 2015-11-17 | 2015-11-17 | Tractor is with split type power shift gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914072.7U CN205244309U (en) | 2015-11-17 | 2015-11-17 | Tractor is with split type power shift gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN205244309U true CN205244309U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520914072.7U Active CN205244309U (en) | 2015-11-17 | 2015-11-17 | Tractor is with split type power shift gearbox |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU174274U1 (en) * | 2016-11-08 | 2017-10-09 | ООО "Завод СПЕЦТЕХНИКИ" | Gear box |
| CN107599832A (en) * | 2017-10-18 | 2018-01-19 | 北京北方车辆集团有限公司 | A kind of more power output structures for rushing to repair equipment |
| RU2643330C1 (en) * | 2016-11-08 | 2018-01-31 | Общество с ограниченной ответственностью "Завод СПЕЦТЕХНИКИ" | Gearbox |
| WO2018088927A1 (en) * | 2016-11-08 | 2018-05-17 | Общество с ограниченной ответственностью "Завод СПЕЦТЕХНИКИ" | Hydromechanical gearbox |
| CN108825756A (en) * | 2018-09-05 | 2018-11-16 | 广西玉柴机器股份有限公司 | A kind of split type rear power takeoff body structure |
| CN112594338A (en) * | 2020-12-31 | 2021-04-02 | 福建中维动力科技股份有限公司 | Power-coupled eight-gear transmission and working method thereof |
| RU2753023C1 (en) * | 2020-12-29 | 2021-08-11 | Акционерное Общество "Петербургский тракторный завод" | Self-propelled machine gearbox |
-
2015
- 2015-11-17 CN CN201520914072.7U patent/CN205244309U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU174274U1 (en) * | 2016-11-08 | 2017-10-09 | ООО "Завод СПЕЦТЕХНИКИ" | Gear box |
| RU2643330C1 (en) * | 2016-11-08 | 2018-01-31 | Общество с ограниченной ответственностью "Завод СПЕЦТЕХНИКИ" | Gearbox |
| WO2018088927A1 (en) * | 2016-11-08 | 2018-05-17 | Общество с ограниченной ответственностью "Завод СПЕЦТЕХНИКИ" | Hydromechanical gearbox |
| CN107599832A (en) * | 2017-10-18 | 2018-01-19 | 北京北方车辆集团有限公司 | A kind of more power output structures for rushing to repair equipment |
| CN108825756A (en) * | 2018-09-05 | 2018-11-16 | 广西玉柴机器股份有限公司 | A kind of split type rear power takeoff body structure |
| RU2753023C1 (en) * | 2020-12-29 | 2021-08-11 | Акционерное Общество "Петербургский тракторный завод" | Self-propelled machine gearbox |
| CN112594338A (en) * | 2020-12-31 | 2021-04-02 | 福建中维动力科技股份有限公司 | Power-coupled eight-gear transmission and working method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |