CN104885709B - Driving axle assembly for small and medium-sized self-travelling combine harvester for grains - Google Patents
Driving axle assembly for small and medium-sized self-travelling combine harvester for grains Download PDFInfo
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- CN104885709B CN104885709B CN201510353585.XA CN201510353585A CN104885709B CN 104885709 B CN104885709 B CN 104885709B CN 201510353585 A CN201510353585 A CN 201510353585A CN 104885709 B CN104885709 B CN 104885709B
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Abstract
The invention provides a driving axle assembly for a small and medium-sized self-travelling combine harvester for grains. The driving axle assembly comprises an engine for driving power, and a hydraulic stepless transmission assembly; a variable control handle is arranged at a variable controller of the hydraulic stepless transmission assembly and is connected with a variable oscillating arm of a hydraulic stepless transmission; the variable oscillating arm of the hydraulic stepless transmission moves to achieve the variable control of the hydraulic stepless transmission assembly; a gear box is further provided with a shifting control operator which comprises a shifting control handle; a shifting engaging sleeve of the gear box is connected with the shifting control handle; the shifting control handle operates the shifting engaging sleeve to change gears. With the adoption of the driving axle assembly using the hydraulic stepless transmission under two gears, the harvesting machine can easily move forwards and backwards, turn and perform stepless transmission; a driving axle is simple to shift and high in efficiency; the driving axle assembly is small in fault rate.
Description
Technical field：
Patent of the present invention is related to middle-size and small-size self-propelled grain cbmbine harvester driving axis technical field and hydrostatic
Technical field.
Background technology：
In recent years, the middle-size and small-size self-propelled grain cbmbine harvester annual production such as Semen Maydiss, Semen Tritici aestivi and the market demand were obtained for
Growth at double.Such middle-size and small-size self-propelled grain cbmbine harvester traditional mechanical stepless speed-changing drive axle supporting always is total
Into its transmission principle is as shown in Figure 1.The mechanical type driving axis realize four by the movement of shifting slide gear and engaging sleeve
Drive shift and a reverse gear conversion.Buty shifting, work efficiency are needed when this drive axle gear-change operation complexity, harvester operation
Low, gearbox gear and clutch are easily damaged.In order to solve these problems, have tried in traditional mechanical stepless speed-changing
Cancel electrodeless increasing on the change speed gear box of driving axis and turn round assembly and clutch, directly install hydraulic pump and hydraulic motor etc. additional hydrostatic
System, becomes the middle-size and small-size self-propelled grain cbmbine harvester driving axis of 3 grades of advance, but, do not solve gear shift behaviour
Make complicated, brake dangerous, the key technical problem of the unreasonable grade drive axle performance of speeds match.Market in urgent need is a kind of new
Two grades of hydraulic continuously variable transmission hydraulic stepless speed change driving axis.
The content of the invention：
For the problem that current product is present, patent content of the present invention mainly invents one kind by hydraulic continuously variable transmission system
The middle-size and small-size self-propelled corn joint of the compositions such as system, mechanical variable speed system, differential system, brakes, wheel edging deceleration system is received
Cutting mill driving axis, including provide power electromotor, hydraulic continuously variable transmission assembly driven by the engine, hydraulic pressure without
Level transmission assembly includes hydraulic continuously variable transmission and variable controller, and hydraulic continuously variable transmission includes integrated hydraulic variable displacement pump
And constant displacement hydraulic motor, hydraulic continuously variable transmission input shaft is connected with electromotor, hydraulic continuously variable transmission output shaft and change speed gear box
Power input shaft connects, and speed changing box power output shaft Jing differential assemblies are connected with hub reduction gear input shaft, gearbox dynamic
Output shaft is also associated with differential assembly, and liquid braking device assembly, the Variable Control are equipped with change speed gear box intermediate propeller shaft
Device includes Variable Control handle, and Variable Control handle is connected with the variable swing arm of hydraulic continuously variable transmission, by hydraulic stepless
The Variable Control of hydraulic continuously variable transmission assembly is realized in the variable swing arm movement of variator；Change speed gear box is additionally provided with gearshift control behaviour
Vertical device, the gearbox gear-shift control manipulator includes gearshift control handle, the shifter collar that change speed gear box is arranged and gear shift control
Handle connection processed, by gearshift control stick control shifter collar the conversion of gear is realized.
The gear of the gearshift control handle is set to gather in shelves and walking two gears of shelves, is vacant in the middle of two gears
Shelves, the gear control zone of the Variable Control handle is set to advance electrodeless variable-speed shelves and falls back electrodeless variable-speed shelves, Variable Control
The middle position of handle is neutral gear.
The advance electrodeless variable-speed shelves of the Variable Control handle be divided into again walking operation electrodeless variable-speed shelves and harvesting without
Pole gear, the gear control zone of Variable Control handle is set to two regions, and harvesting electrodeless variable-speed shelves are electrodeless with retroversion
In a region, harvesting electrodeless variable-speed gear falls back electrodeless variable-speed gear in the area to transmission range in the top in the region
The lower section in domain；Walking operation electrodeless variable-speed gear is located near the side of Variable Control handle in another region, the region
Foremost, positioned at the left side or right side of harvesting electrodeless variable-speed shelves and retroversion electrodeless variable-speed shelves region.
Variable Control handle and gearshift control handle connect respectively flexible axle, and by the movement of gearshift control handle drive axle is realized
Mechanical gear selecting, realizes drive axle infinitely variable speeds and changes driving direction by the movement of Variable Control handle.
Drive axle only has a liquid braking device assembly and is arranged on change speed gear box intermediate propeller shaft, and described hydraulic stepless becomes
Fast device assembly is fixed on change speed gear box.
The hydrostatic pressure system of liquid braking device assembly and hydraulic continuously variable transmission is connected with electronic control module, hydraulic braking
Device assembly and hydrostatic pressure system realize electric controlled interlocking by electric control module controls.
The hydraulic continuously variable transmission assembly, change speed gear box, hub reduction gear are fixedly mounted on front axle beam.
The hydraulic continuously variable transmission input shaft is connected with engine output shaft belt and belt pulley.
The Variable Control handle, gearshift control handle and electronic control module are arranged in driving cab of harvester.
The hydraulic continuously variable transmission assembly is arranged to：Under harvesting shelves and transition shelves two states, Variable Control handss
When handle moves backward to maximum displacement, the reverse velocity of harvester is controlled at 6 to 10 kilometers/hour.
This device is built upon hydrostatic technology, electromechanical integration technology etc. and invents on the basis of achievement in research in recent years
's.
The harvester of this kind of two grades of hydraulic continuously variable transmission driving axis is equipped with, operator can pass through relatively simple behaviour
Make the control for realizing advance, retrogressing and steering and infinitely variable speeds.This drive axle gear-change operation is simple, efficiency high, driving axis
Fault rate it is low.
Description of the drawings
Fig. 1 is mechanical type driving axis transmission principle figure；
Fig. 2 is middle-size and small-size self-propelled grain cbmbine harvester driving axis transmission principle figure；
Fig. 3 is the hydrostatic schematic diagram of middle-size and small-size self-propelled grain cbmbine harvester driving axis；
Fig. 4 is middle-size and small-size self-propelled grain cbmbine harvester driving axis gear and infinitely variable speeds control principle drawing；
In figure：
1st, electromotor；2nd, shifting slide gear；3rd, stepless increasing turns round assembly；4th, clutch 5, shifter collar；6th, hub reduction gear
Input shaft；7th, gearbox dynamic input shaft；；8th, liquid braking device assembly；9th, differential assembly；10th, hydraulic continuously variable transmission is total
Into；11st, electronic control module；12nd, liquid braking device assembly；13rd, change speed gear box intermediate propeller shaft；14th, gearshift joystick；15th, variable
Joystick；16th, shelves are gathered in；17th, walking shelves；18th, vacant shelves；19th, walking operation electrodeless variable-speed shelves；20th, harvesting is electrodeless
Gear；21st, electrodeless variable-speed shelves are fallen back；22nd, neutral gear.
Specific embodiment：
For existing traditional mechanical stepless speed-changing driving axis（Such as Fig. 1）Deficiency, the present invention relates in one kind
Miniature self-propelled grain combine driving axis, such as Fig. 2, middle-size and small-size self-propelled grain cbmbine harvester drive axle
Assembly by hydraulic continuously variable transmission assembly, fuel tank, oil dissipate etc. constitute, its hydraulic principle of hydrostatic pressure system is as shown in Figure 3.By oil
Case, oil dissipate etc. be fixed in harvester frame, hydraulic continuously variable transmission assembly is connected with drive axle change speed gear box.Hydraulic stepless speed change
Device input shaft is connected with engine output shaft belt and belt pulley, is become by engine driving hydraulic continuously variable transmission assembly hydraulic pressure
Amount pump rotates at a high speed, exports high energy hydraulic oil, and speed changing box power output shaft and hub reduction gear input shaft connect, gearbox dynamic
Output shaft is also associated with differential assembly, and then drives change speed gear box and the work of hub reduction gear assembly, orders about hydraulic stepless speed change
Device output shaft speed-changing rotation, exports power, drives harvester tyre rotation, realizes harvester walking operation, passes in the middle of change speed gear box
Liquid braking device assembly is also equipped with moving axis.
The transmission principle of patent of the present invention is as shown in Figure 2：Middle-size and small-size self-propelled corn joint described in patent of the present invention is received
Cutting mill driving axis, mainly provide high energy hydraulic oil by hydraulic continuously variable transmission assembly, drive hydraulic continuously variable transmission
Assembly output shaft speed-changing rotation, by the shifter collar of mechanical gear box two gears selections of shelves and harvesting shelves of walking are carried out,
Assemble this kind of hydraulic continuously variable transmission assembly middle-size and small-size self-propelled grain cbmbine harvester driving axis harvester because
This realizes the actions such as advance, retrogressing and steering and infinitely variable speeds, can complete various walking operations.When gearshift control handle is in
During vacant shelves, middle-size and small-size self-propelled grain cbmbine harvester driving axis do not have power output；By hydraulic stepless speed change
Device assembly Variable Control handle can change the output discharge capacity and hydraulic oil outbound course of hydraulic variable displacement pump, realize driving axis
Infinitely variable speeds and bi-directional drive.When braking is needed during harvester is advanced, brake fluid system and fluid power system are realized
Electric controlled interlocking.
Patent of the present invention is achieved through the following technical solutions（With reference to two grades of hydraulic continuously variable transmission hydraulic stepless of Fig. 2
Transaxle transmission principle figure）：
Middle-size and small-size self-propelled grain cbmbine harvester driving axis are become by the engine driving hydraulic stepless of harvester
Fast device assembly input shaft rotates at a high speed, exports high energy hydraulic oil, and through hydraulic continuously variable transmission internal hydraulic system hydraulic pressure is driven
Buncher output shaft speed-changing rotation.The output shaft of hydraulic continuously variable transmission assembly is connected with gearbox dynamic input shaft, leads to
Cross gearshift control stick control shifter collar and realize harvesting shelves, the conversion of walking 2 gears of shelves, realize mechanical speed change.Then
Power output Jing differential assembly reaches hub reduction gear input shaft, drives harvester tyre rotation.
Middle-size and small-size corn is fixed on after hydraulic continuously variable transmission assembly, drive axle change speed gear box, hub reduction gear etc. are assembled
On the front axle beam of harvester, the input shaft of hydraulic continuously variable transmission assembly is connected by belt with electromotor, is driven in harvester
The gearshift control handle of indoor setting change speed gear box, Variable Control handle and hydrostatic pressure system and hydraulic brake system interlocking it is automatically controlled
Module.
Gearshift control handle and hydraulic continuously variable transmission assembly Variable Control handle are placed on into vacant shelves, electromotor is started,
Hydraulic continuously variable transmission assembly is started working.Drive axle gear is selected according to job requirements, Fig. 4 is referred to.
When joystick of shifting gears is by vacant file location displacement forwards, by shifting gears, flexible axle is in change speed gear box engaging sleeve
Harvesting shelves.Now, change the position of Variable Control handle, the output shape of hydraulic continuously variable transmission assembly is changed by variable flexible axle
State, now drive axle can drive the traveling and infinitely variable speeds for realizing former and later two directions of harvester, when Variable Control handle occupy
In be located at neutral gear when, harvester stop motion.Equally, when joystick of shifting gears is from vacant file location to rear side displacement, hydraulic pressure
Driving axis are selected as walking shelves.According to gearshift joystick gear difference, when Variable Control handle from neutral position to
Front propulsion increase displacement, harvester accelerates to advance, and when handss variable handle is by blank state rearward displacement, harvester falls back walking.
By the infinitely variable speeds for changing the position of joystick to realize harvester.When Variable Control handle is in blank state, harvesting
Machine stop motion.The control zone of Variable Control handle is set to advance electrodeless variable-speed shelves and falls back electrodeless variable-speed shelves, wherein advancing
Electrodeless variable-speed shelves are divided into walking operation electrodeless variable-speed shelves, harvesting electrodeless variable-speed shelves again, and walking operation electrodeless variable-speed gear exists
The front end in gear area, the middle position of Variable Control handle is neutral gear.
In order to ensure safety, harvesting shelves and walking shelves two states under, setting Variable Control handle from neutral position to
After when moving to maximum displacement, it is ensured that the reverse velocity of harvester is controlled at 6 to 10 kilometers/hour.
In order to ensure safety during service brake, liquid braking device assembly and hydrostatic pressure system carry out electric controlled interlocking.Specifically
Embodiment refers to Fig. 2.
When liquid braking device assembly works, the pressure signal that system is produced feeds back to electronic control module, electronic control module simultaneously
After identification pressure signal, the signal of telecommunication is converted into, controls the electromagnetic valve work of hydraulic variable displacement pump, change the output row of hydraulic variable displacement pump
Amount, it is ensured that service brake is safely, effectively.
Claims (9)
1. the electromotor of middle-size and small-size self-propelled grain cbmbine harvester driving axis, including offer power, is driven by electromotor
Dynamic hydraulic continuously variable transmission assembly, hydraulic continuously variable transmission assembly includes hydraulic continuously variable transmission and variable controller, hydraulic pressure
Buncher includes integrated hydraulic variable displacement pump and constant displacement hydraulic motor, and hydraulic continuously variable transmission input shaft connects with electromotor
Connect, hydraulic continuously variable transmission output shaft is connected with gearbox dynamic input shaft, speed changing box power output shaft Jing differential assemblies with
Hub reduction gear input shaft connects, and speed changing box power output shaft is also associated with differential assembly, fills on change speed gear box intermediate propeller shaft
It is furnished with liquid braking device assembly, it is characterised in that the variable controller includes Variable Control handle, Variable Control handle and liquid
The variable swing arm of pressure buncher is connected, and by the variable swing arm movement of hydraulic continuously variable transmission hydraulic stepless speed change is realized
The Variable Control of device assembly；Change speed gear box is additionally provided with gearshift control manipulator, and the gearbox gear-shift control manipulator includes changing
Shelves joystick, the shifter collar that change speed gear box is arranged is connected with gearshift control handle, is nibbled by gearshift control stick control gear shift
Trap realizes the conversion of gear, and the gear of the gearshift control handle is set to gather in shelves and walking two gears of shelves, two shelves
It is vacant shelves in the middle of position, the gear control zone of the Variable Control handle is set to advance electrodeless variable-speed shelves and falls back electrodeless variable-speed
Shelves, the middle position of Variable Control handle is neutral gear.
2. middle-size and small-size self-propelled grain cbmbine harvester driving axis as claimed in claim 1, it is characterised in that：It is described
The advance electrodeless variable-speed shelves of Variable Control handle are divided into walking operation electrodeless variable-speed shelves and harvesting electrodeless variable-speed shelves, variable again
The gear control zone of joystick is set to two regions, and harvesting electrodeless variable-speed shelves are with retroversion electrodeless variable-speed gear in one
Region, harvesting electrodeless variable-speed gear falls back electrodeless variable-speed gear in the lower section in the region in the top in the region；Walking is made
Industry electrodeless variable-speed gear is located near the side of Variable Control handle foremost, positioned at receipts in another region, the region
Cut operation electrodeless variable-speed shelves and fall back the left side or right side of electrodeless variable-speed shelves region.
3. middle-size and small-size self-propelled grain cbmbine harvester driving axis as claimed in claim 1, it is characterised in that：Variable
Joystick and gearshift control handle connect respectively flexible axle, and by the movement of gearshift control handle drive axle machinery gear selecting is realized, by
The movement of Variable Control handle realizes drive axle infinitely variable speeds and changes driving direction.
4. middle-size and small-size self-propelled grain cbmbine harvester driving axis as claimed in claim 1, it is characterised in that：Drive
Bridge only has a liquid braking device assembly and is arranged on change speed gear box intermediate propeller shaft, and described hydraulic continuously variable transmission assembly is fixed
On change speed gear box.
5. middle-size and small-size self-propelled grain cbmbine harvester driving axis as claimed in claim 1, it is characterised in that：Hydraulic pressure
The hydrostatic pressure system of brake assembly and hydraulic continuously variable transmission is connected with electronic control module, liquid braking device assembly and hydrostatic
Pressure system realizes electric controlled interlocking by electric control module controls.
6. middle-size and small-size self-propelled grain cbmbine harvester driving axis as claimed in claim 1, it is characterised in that：It is described
Hydraulic continuously variable transmission assembly, change speed gear box, hub reduction gear are fixedly mounted on front axle beam.
7. middle-size and small-size self-propelled grain cbmbine harvester driving axis as claimed in claim 1, it is characterised in that：It is described
Hydraulic continuously variable transmission input shaft is connected with engine output shaft belt and belt pulley.
8. middle-size and small-size self-propelled grain cbmbine harvester driving axis as claimed in claim 1, it is characterised in that：It is described
Variable Control handle, gearshift control handle and electronic control module are arranged in driving cab of harvester.
9. middle-size and small-size self-propelled grain cbmbine harvester driving axis as claimed in claim 1, it is characterised in that：It is described
Hydraulic continuously variable transmission assembly is arranged to：Under harvesting shelves and transition shelves two states, Variable Control handle is moved backward to
During maximum displacement, the reverse velocity of harvester is controlled at 6 to 10 kilometers/hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510353585.XA CN104885709B (en) | 2015-06-25 | 2015-06-25 | Driving axle assembly for small and medium-sized self-travelling combine harvester for grains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510353585.XA CN104885709B (en) | 2015-06-25 | 2015-06-25 | Driving axle assembly for small and medium-sized self-travelling combine harvester for grains |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104885709A CN104885709A (en) | 2015-09-09 |
| CN104885709B true CN104885709B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510353585.XA Active CN104885709B (en) | 2015-06-25 | 2015-06-25 | Driving axle assembly for small and medium-sized self-travelling combine harvester for grains |
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| CN (1) | CN104885709B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009022213A (en) * | 2007-07-19 | 2009-02-05 | Mitsubishi Agricult Mach Co Ltd | Driving device for combine harvester |
| CN102848914A (en) * | 2012-09-12 | 2013-01-02 | 青岛科瑞特激光设备有限公司 | Hydraulic continuously-variable drive axle assembly |
| CN104691321B (en) * | 2014-09-24 | 2018-04-27 | 青岛科瑞特激光设备有限公司 | Two-stage hydraulic drive axle assembly for large grain combine harvester |
| CN104686083B (en) * | 2014-10-27 | 2016-11-30 | 青岛科瑞特激光设备有限公司 | Harvester is with two grades of four-wheel drive hydraulic stepless speed change driving axis |
| CN204860137U (en) * | 2015-06-25 | 2015-12-16 | 青岛科瑞特激光设备有限公司 | Middle -size and small -size self -propelled cereal transaxle assembly for combine |
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2015
- 2015-06-25 CN CN201510353585.XA patent/CN104885709B/en active Active
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| CN104885709A (en) | 2015-09-09 |
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Address after: Keruite Industrial Park, No. 496, Maoshan Road, Huangdao District, Qingdao, Shandong 266000 Patentee after: Qingdao Keruite Transmission Technology Co.,Ltd. Address before: No. 588, Yanshan Road, Qingdao Economic and Technological Development Zone, Qingdao, Shandong 266500 Patentee before: QINGDAO CREAT LASER EQUIPMENT CO.,LTD. |
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