CN112616392A - High-ground-clearance full-time four-wheel-drive rice transplanter - Google Patents
High-ground-clearance full-time four-wheel-drive rice transplanter Download PDFInfo
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- CN112616392A CN112616392A CN202011617825.XA CN202011617825A CN112616392A CN 112616392 A CN112616392 A CN 112616392A CN 202011617825 A CN202011617825 A CN 202011617825A CN 112616392 A CN112616392 A CN 112616392A
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 82
- 235000009566 rice Nutrition 0.000 title claims abstract description 82
- 240000007594 Oryza sativa Species 0.000 title description 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 104
- 241000209094 Oryza Species 0.000 claims abstract description 81
- 230000007704 transition Effects 0.000 claims abstract description 51
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 10
- 230000009977 dual effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 2
- 241000196324 Embryophyta Species 0.000 description 22
- 230000008859 change Effects 0.000 description 5
- 239000010902 straw Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/003—Transplanting machines for aquatic plants; for planting underwater, e.g. rice
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/006—Other parts or details or planting machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transplanting Machines (AREA)
Abstract
The invention discloses a high-clearance full-time four-wheel-drive rice transplanter, which comprises: the rice transplanter comprises a rack, wherein a front drive axle, a rear drive axle and a transmission system are installed on the rack, the front drive axle and the rear drive axle are respectively provided with a steering oil cylinder, the two ends of the front drive axle and the two ends of the drive axle are respectively provided with a final transmission device, the transmission system comprises a walking gearbox, a planting distance gearbox and a transition box, the planting distance gearbox is positioned in front of the rear drive axle, the transition box is positioned behind the rear drive axle, an input shaft of the transition box is positioned above the rear drive axle and is in transmission connection with the planting distance gearbox, and an output shaft of the transition box is connected with a rice transplanting operation part through a rice transplanting universal joint coupler. The rice transplanter disclosed by the invention has the advantages that the four travelling wheels can be independently driven and steered, the turning radius is small, the driving force is large, the rice transplanter is not easy to be covered, meanwhile, the minimum ground clearance can reach more than 600mm, the passing performance is good, and the rice transplanter is particularly suitable for being used in paddy fields with deep mud feet.
Description
Technical Field
The invention relates to the technical field of rice transplanting machines, in particular to a high-ground-clearance full-time four-wheel-drive rice transplanting machine.
Background
With the adjustment of national environmental protection policy and the enhancement of environmental protection consciousness of people, the burning inhibition of straws becomes a trend. As a main production area of rice in China, the northeast region has changed the treatment mode of rice straws greatly from the traditional field incineration to the current crushing and returning to the field. However, the rotting speed of the rice straws is low, the broken rice straw residues accumulated in the rice field can influence the normal transplanting and growth of the rice, and in order to ensure the normal transplanting and growth of the rice, the rice straws are generally deeply buried in a deep ploughing mode at present, so that the mud foot depth of the rice field is increased, the mud foot depth of a plurality of land blocks of the rice field is more than 350mm, and some of the land blocks of the rice field even reach 500 mm. The prior common rice transplanter is suitable for rice fields with the mud foot depth of between 150mm and 300mm and the mud foot depth of more than 350mm, and the operation of the common rice transplanter is very difficult.
In order to accommodate such a change in the depth of the mud foot, the minimum ground clearance (ground clearance) of the four-wheeled rice transplanter must also be higher and higher, and also better driving force and turning performance must be obtained, which obviously cannot be achieved by increasing only the diameters of the front and rear wheels.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a high-ground-clearance full-time four-wheel-drive rice transplanter to improve the passing performance of the rice transplanter in a deep muddy-foot paddy field.
In order to solve the technical problems, the invention adopts the technical scheme that: a high-ground-clearance full-time four-wheel-drive rice transplanter comprises: the rice transplanter comprises a frame, wherein a front drive axle, a rear drive axle and a transmission system are installed on the frame, a rice transplanting operation part is movably connected to the rear of the frame, the front drive axle is fixedly connected with the frame, the rear drive axle is hinged with the frame, the front drive axle is provided with a front steering oil cylinder, the rear drive axle is provided with a rear steering oil cylinder, final transmission devices are respectively arranged at two ends of the front drive axle and two ends of the rear drive axle, each final transmission device comprises a steering knuckle shell and a tail end shell which are rotatably installed together, an output shaft of the front drive axle and an output shaft of the rear drive axle are respectively in transmission connection with an input shaft of the corresponding final transmission device, an output shaft of the final transmission device is connected with a travelling wheel, and a shell of the front drive axle and a shell of the rear drive axle are respectively and fixedly connected with the corresponding steering knuckle shells, piston rods of the front steering oil cylinder and the rear steering oil cylinder are respectively hinged with the corresponding tail end shell; the transmission system comprises a walking gearbox, a planting distance gearbox and a transition box, wherein the walking gearbox, the planting distance gearbox and the transition box are respectively fixed on the rack, the walking gearbox is in transmission connection with an engine, the walking gearbox comprises a walking output shaft and a transplanting sub-shaft, one end of the walking output shaft is in transmission connection with the front drive axle, the other end of the walking output shaft is in transmission connection with the rear drive axle, the transplanting sub-shaft is in transmission connection with the planting distance gearbox, the planting distance gearbox is located in front of the rear drive axle, the transition box is located behind the rear drive axle, an input shaft of the transition box is located above the rear drive axle and is in transmission connection with the planting distance gearbox, and an output shaft of the transition box is located below an input shaft of the transition box and is connected with the transplanting operation part through a transplanting universal joint coupler.
The output shaft of the front drive axle and the output shaft of the rear drive axle are in transmission connection with the input shaft of the corresponding final transmission device through first bevel gear pairs respectively, the input shaft of the final transmission device is in transmission connection with the output shaft of the final transmission device through second bevel gear pairs, and the input shaft of the final transmission device is vertically arranged.
The radius of the walking wheel of the front drive axle is consistent with that of the walking wheel of the front drive axle.
The walking gearbox is in transmission connection with the engine through a hydraulic stepless speed changer.
Wherein, limited slip differential is respectively arranged in the front drive axle and the rear drive axle.
The walking gearbox comprises a box body, wherein an input shaft, an intermediate shaft, a walking output shaft, a transplanting split shaft and a shifting fork shaft are arranged in the box body in parallel; the input shaft is provided with an input shaft coupling gear and an input shaft transplanting transfer gear, the input shaft coupling gear is connected with the input shaft in a sliding key mode, and the input shaft transplanting transfer gear is fixedly connected with the input shaft; the intermediate shaft is provided with an intermediate shaft high-gear, an intermediate shaft low-gear, an intermediate shaft walking driving gear and an intermediate shaft dual-joint seedling transplanting transfer gear, the intermediate shaft high-gear, the intermediate shaft low-gear and the intermediate shaft walking driving gear are respectively and fixedly connected to the intermediate shaft, the intermediate shaft dual-joint seedling transplanting transfer gear is rotatably mounted on the intermediate shaft, and the intermediate shaft dual-joint seedling transplanting transfer gear is meshed with the input shaft seedling transplanting transfer gear; a friction plate brake controlled by a tension line mechanism is also arranged on the intermediate shaft; an output shaft walking driven gear is fixedly connected to the walking output shaft and meshed with the intermediate shaft walking driving gear; a branch shaft transplanting transfer gear is fixedly connected to the transplanting branch shaft and is meshed with the intermediate shaft-coupled transplanting transfer gear; the shifting fork shaft is connected with a shifting fork, and under the control of the control mechanism, the shifting fork shaft drives the input shaft dual gear to selectively slide along the axial direction through the shifting fork, and the input shaft dual gear is meshed with or separated from the intermediate shaft high gear and the intermediate shaft low gear so as to realize the switching of the high gear, the low gear and the neutral gear of the rice transplanter.
The planting distance gearbox comprises a box body, wherein an input shaft, a middle first shaft, a middle second shaft, a middle third shaft and a shifting fork shaft are arranged in the box body in parallel, an output shaft is rotatably arranged on a bearing seat, the bearing seat is fixed on the box body, the input shaft extends out of one side of the box body, and the output shaft extends out of the other side of the box body; the input shaft is fixedly connected with an input shaft fixed gear; a fixed gear of the middle shaft is fixedly connected to the middle shaft and meshed with the fixed gear of the input shaft; the middle two-shaft fixed gear is fixedly connected to the middle two-shaft and connected with the gear shifting gear through a sliding key, and the middle two-shaft fixed gear is meshed with the middle one-shaft fixed gear; a first spacing gear, a second spacing gear, a third spacing gear, a fourth spacing gear and a middle three-axis fixed gear are fixedly connected to the middle three-axis; the shifting fork shaft is slidably connected with a shifting fork, the shifting fork shaft is fixed on the box body, and under the control of a shifting handle, the shifting gear is selectively meshed or separated with the first spacing gear, the second spacing gear, the third spacing gear and the fourth spacing gear through the shifting fork so as to realize the switching of the first spacing, the second spacing, the third spacing and the fourth spacing of the rice transplanter; the bearing frame rotates and installs clutch gear, the one end of output shaft rotate install in the bearing frame, the other end rotate install in clutch gear, clutch gear with middle triaxial fixed gear meshes, the cover is equipped with the dog spring and sliding key connects has the separation dog on the output shaft, makes shift fork mechanism stir through the control handle separation dog axial displacement and then realize with clutch gear's combination and separation, the control handle rotate install in the box.
The gear shifting gear is a triple gear shifting gear which comprises a first gear, a second gear and a third gear, and the first gear and the first pitch gear and the second pitch gear which can be meshed with the first gear are all modified gears.
The transition box comprises a box body, an input shaft of the transition box extends out of one side of the box body, an output shaft of the transition box extends out of the other side of the box body, and a chain transmission device is arranged between the input shaft and the output shaft in the box body.
As the same conception, the invention adopts another technical scheme that: a high-ground-clearance full-time four-wheel-drive rice transplanter comprises: the rice transplanter comprises a frame, wherein a front drive axle, a rear drive axle and a transmission system are installed on the frame, a rice transplanting operation part is movably connected to the rear of the frame, the front drive axle is fixedly connected with the frame, the rear drive axle is hinged to the frame, the front drive axle is provided with a front steering oil cylinder, the rear drive axle is provided with a rear steering oil cylinder, final transmission devices are respectively arranged at two ends of the front drive axle and two ends of the rear drive axle, each final transmission device comprises a steering knuckle shell and a tail end shell which are rotatably installed together, an output shaft of the front drive axle and an output shaft of the rear drive axle are respectively in transmission connection with an input shaft of the corresponding final transmission device, an output shaft of the final transmission device is connected with a travelling wheel, and a shell of the front drive axle and a shell of the rear drive axle are respectively and fixedly connected with the corresponding steering knuckle shells, piston rods of the front steering oil cylinder and the rear steering oil cylinder are respectively hinged with the corresponding tail end shell; the transmission system comprises a walking planting distance integrated gearbox and a transition box, the walking planting distance integrated gearbox and the transition box are respectively fixed on the rack, the walking planting distance integrated gearbox is in transmission connection with an engine, the walking planting distance integrated gearbox comprises a walking output shaft and a transplanting sub-shaft, one end of the walking output shaft is in transmission connection with the front drive axle, the other end of the walking output shaft is in transmission connection with the rear drive axle, the transplanting sub-shaft is in transmission connection with the transition box, the transition box is located behind the rear drive axle, an input shaft of the transition box is located above the rear drive axle, and an output shaft of the transition box is located below an input shaft of the transition box and is connected with the transplanting operation part through a transplanting universal joint coupler.
After the technical scheme is adopted, the technical effects are as follows:
because the transplanter is provided with the front driving axle and the rear driving axle, the front driving axle is provided with the front steering oil cylinder, and the rear driving axle is provided with the rear steering oil cylinder, four traveling wheels of the transplanter can be independently driven and steered, the turning radius is small, the driving force is large, the transplanter is not easy to be driven and covered, the radius of the front traveling wheel and the rear traveling wheel is consistent, and the trafficability of the traditional transplanter is better compared with the traditional transplanter with the small front wheels and the large rear wheels. Because the two ends of the front drive axle and the two ends of the rear drive axle are respectively provided with the final transmission devices, the output shaft of the front drive axle and the output shaft of the rear drive axle are respectively in transmission connection with the input shafts of the corresponding final transmission devices through the first bevel gear pair, the input shaft of the final transmission device is in transmission connection with the output shaft of the final transmission device through the second bevel gear pair, the input shaft of the final transmission device is vertically arranged, and the minimum ground clearance of the rack can be conveniently improved by increasing the length of the input shaft of the final transmission device; meanwhile, the transmission system comprises a walking gearbox, a plant spacing gearbox and a transition box which are respectively fixed on the rack, so that on one hand, the walking speed changing function and the plant spacing speed changing function are respectively arranged on two different gearboxes and are distributed, the gearboxes are favorably miniaturized, and the minimum ground clearance of the rice transplanter cannot be influenced by the size of the gearboxes; on the other hand, the transition box is positioned behind the rear drive axle, the input shaft of the transition box is positioned above the rear drive axle and is in transmission connection with the plant spacing gearbox, the output shaft of the transition box is connected with the rice transplanting operation part through a rice transplanting universal joint coupler, and the height of a power input point of the rice transplanting universal joint coupler can be lowered while a high ground clearance is kept through the transition box, so that the normal use of the rice transplanting universal joint coupler cannot be influenced due to the fact that the inclination angle of the rice transplanting universal joint coupler is too large because the rack is lifted. Of course, if the walking gearbox and the planting distance gearbox are designed integrally, the transmission system can be more compact, and the minimum ground clearance of the rice transplanter increased by lifting the machine frame cannot be influenced as long as the overall size is properly controlled.
In the invention, the limited slip differential mechanisms are respectively arranged in the front drive axle and the rear drive axle, so that the rice transplanter can ensure that four traveling wheels cannot slip at any time, and the driving force of the rice transplanter in a deep muddy-footed paddy field is enhanced.
In a word, the four travelling wheels of the rice transplanter disclosed by the invention can be independently driven and steered, the turning radius is small, the driving force is large, the rice transplanter is not easy to be covered, meanwhile, the minimum ground clearance can reach more than 600mm, the passing performance is good, and the rice transplanter is particularly suitable for being used in paddy fields with deep mud feet.
Drawings
FIG. 1 is a front view of an embodiment 1 of the high-clearance full-time four-wheel-drive rice transplanter of the invention;
FIG. 2 is a perspective view of a part of the structure of embodiment 1 shown in FIG. 1;
FIG. 3 is a perspective view of another angle of the structure of a part of embodiment 1 shown in FIG. 1;
fig. 4 is a front view of the traveling transmission case in embodiment 1 shown in fig. 1;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a cross-sectional view taken at B-B of FIG. 4;
FIG. 7 is a front view of the row spacing gearbox of embodiment 1 shown in FIG. 1;
FIG. 8 is a left side view of FIG. 7;
FIG. 9 is a top view of FIG. 7;
FIG. 10 is a cross-sectional view taken at C-C of FIG. 7;
FIG. 11 is a cross-sectional view of the transition box of FIG. 7;
FIG. 12 is a longitudinal cross-sectional view of the final drive of FIG. 2 or FIG. 3;
in the figure:
100-frame, 101-front drive axle, 102-rear drive axle, 102A-housing, 102B-output shaft, 103-front steering cylinder, 104-rear steering cylinder, 105-final drive device, 105A-knuckle housing, 105B-end housing, 105C-input shaft, 105D-output shaft, 106-road wheel, 107-engine, 108-driving belt, 109-hydraulic stepless speed changer, 110-plant spacing box universal joint coupler, 120-rear axle universal joint coupler, 130-transition box coupler;
200-walking gear box, 201-box, 202-input shaft, 203-intermediate shaft, 204-walking output shaft, 205-transplanting transfer shaft, 206-shifting fork shaft, 207-input shaft dual gear, 208-input shaft transplanting transfer gear, 209-intermediate shaft high gear, 210-intermediate shaft low gear, 211-intermediate shaft walking driving gear, 212-intermediate shaft dual transplanting transfer gear, 213-output shaft walking driven gear, 214-transfer shaft transplanting transfer gear, 215-shifting fork and 216-friction plate brake;
300-row pitch gearbox, 301-box, 302-input shaft, 303-middle shaft, 304-middle two shaft, 305-middle three shaft, 306-output shaft, 307-bearing seat, 308-jaw spring, 309-separation jaw, 310-operating handle, 311-clutch gear, 312-middle three shaft fixed gear, 313-first row pitch gear, 314-second row pitch gear, 315-third row pitch gear, 316-fourth row pitch gear, 317-gear-shifting triple gear, 318-middle two shaft fixed gear, 319-middle one shaft fixed gear, 320-input shaft fixed gear, 321-shifting fork shaft, 322-gear-shifting handle and 323-shifting fork;
400-transition box, 401-box, 402-input shaft, 403-output shaft, 404-chain wheel, 405-chain wheel and 406-chain;
500-transplanting operation part, 501-transplanting universal joint coupler.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example 1
As shown in fig. 1 to 3, a high ground clearance full-time four-wheel-drive rice transplanter is provided, a front drive axle 101, a rear drive axle 102 and a transmission system are mounted on a frame 100, a rice transplanting operation part 500 is movably connected to the rear of the frame 100, the front drive axle 101 is fixedly connected with the frame 100, the rear drive axle 102 is hinged with the frame 100, the front drive axle 101 is provided with a front steering cylinder 103, the rear drive axle 102 is provided with a rear steering cylinder 104, both ends of the front drive axle 101 and both ends of the rear drive axle 102 are respectively provided with a final transmission device 105, the final transmission device 105 comprises a knuckle shell 105A and a tail end shell 105B (see fig. 12, which will be described in detail later) which are rotatably mounted together, an output shaft of the front drive axle 101 and an output shaft of the rear drive axle 102 are respectively in transmission connection with input shafts of the corresponding final transmission devices 105, an output shaft of the final, the shell of the front drive axle 101 and the shell of the rear drive axle 102 are respectively fixedly connected with the corresponding knuckle shell 105A, and the piston rods of the front steering cylinder 103 and the rear steering cylinder 104 are respectively hinged with the corresponding end shell 105B.
The front drive axle 101 and the rear drive axle 102 are respectively provided with a Limited Slip Differential, the Limited Slip Differential is an improved Differential (LSD) for limiting wheel Slip, preferably a Torsen Differential, and the Limited Slip Differential utilizes the self-locking function between worm gears and worms to ensure that four traveling wheels of the rice transplanter cannot Slip at any time, so that the driving force of the rice transplanter in a deep muddy-footed paddy field is enhanced.
The transmission system comprises a walking gearbox 200, a planting distance gearbox 300 and a transition box 400 which are respectively fixed on a frame 100, wherein the walking gearbox 200 is in transmission connection with an engine 107 through a transmission belt 108 and a hydraulic stepless speed changer 109(HST), the walking gearbox 200 comprises a walking output shaft 204 and a transplanting split shaft 205 (see figure 4 and will be described in detail later), one end of the walking output shaft 204 is in transmission connection with a front driving axle 101, the other end of the walking output shaft is in transmission connection with a rear driving axle 102 through a rear axle universal joint coupler 120, the transplanting split shaft 205 is in transmission connection with the planting distance gearbox 300 through a planting distance box universal joint coupler 110, the planting distance gearbox 300 is positioned in front of the rear driving axle 102, the transition box 400 is positioned behind the rear driving axle 102, an input shaft of the transition box 400 is positioned above the rear driving axle 102 and is in transmission connection with the planting distance gearbox 300 through a transition box coupler 130, the output shaft of the transition box 400 is located below the input shaft of the transition box 400 (see fig. 11, which will be described later in detail) and is connected to the rice transplanting work part 500 through a rice transplanting universal joint coupling 501.
The rice transplanter disclosed by the invention has the advantages that the four travelling wheels can be independently driven and steered, the turning radius is small, the driving force is large, the rice transplanter is not easy to be driven, the radiuses of the front travelling wheels and the rear travelling wheels are consistent, meanwhile, the minimum ground clearance can reach more than 600mm, the rice transplanter has better trafficability compared with the traditional rice transplanter with the small front wheels and the large rear wheels, and is particularly suitable for being used in paddy fields with deep mud feet.
The structure, drive path and operating principles of the walk-behind gearbox 200, the inter-row spacing gearbox 300, the transition box 400 and the final drive 105 are described in detail below.
As shown in fig. 4 to 6, an input shaft 202, an intermediate shaft 203, a walking output shaft 204, a transplanting split shaft 205, and a fork shaft 206 are arranged in parallel in a casing 201 of the walking transmission 200.
The input shaft 202 is provided with an input shaft coupling gear 207 and an input shaft transplanting transfer gear 208, the input shaft coupling gear 207 is connected with the input shaft 202 in a sliding key mode, and the input shaft transplanting transfer gear 208 is fixedly connected with the input shaft 202.
The intermediate shaft 203 is provided with an intermediate shaft high gear 209, an intermediate shaft low gear 210, an intermediate shaft walking driving gear 211 and an intermediate shaft duplex transplanting transfer gear 212, the intermediate shaft high gear 209, the intermediate shaft low gear 210 and the intermediate shaft walking driving gear 211 are respectively and fixedly connected to the intermediate shaft 203, the intermediate shaft duplex transplanting transfer gear 212 is rotatably installed on the intermediate shaft 203, and the intermediate shaft duplex transplanting transfer gear 212 is meshed with the input shaft transplanting transfer gear 208. The intermediate shaft 203 is also provided with a friction plate brake 216 controlled by a tension mechanism, the intermediate shaft 203 can be braked by operating the friction plate brake 216 through the tension mechanism, and further the rice transplanter can realize parking brake, and the friction plate brake 216 is a conventional component and is not described herein.
An output shaft traveling driven gear 213 is fixedly connected to the traveling output shaft 204, and the output shaft traveling driven gear 213 is engaged with the intermediate shaft traveling driving gear 211.
The transplanting branch shaft 205 is fixedly connected with a branch shaft transplanting branch gear 214, and the branch shaft transplanting branch gear 214 is meshed with a middle shaft coupling transplanting branch gear 212.
The shifting fork shaft 206 is connected with a shifting fork 215, and under the control of the control mechanism, the shifting fork shaft 206 drives the input shaft coupling gear 207 to axially slide and selectively engage or disengage with the intermediate shaft high-gear 209 and the intermediate shaft low-gear 210, so that the switching among the high-gear, the low-gear and the neutral gear of the rice transplanter is realized.
The traveling gearbox 200 can realize two-gear traveling speed change, can transmit power after speed change to the front drive axle 101 and the rear drive axle 102, and can also be used as a transfer case to transmit power to the plant spacing gearbox 300.
The transmission route of the walking gearbox 200 is as follows:
high-speed gear: the input shaft 202 → the large gear of the input shaft coupling gear 207 → the intermediate shaft high gear 209 → the intermediate shaft traveling drive gear 211 → the output shaft traveling driven gear 213 → the traveling output shaft 204 → the front transaxle 101 or the rear transaxle 103.
Low-speed gear: input shaft 202 → pinion gear of input shaft coupling gear 207 → intermediate shaft low gear 210 → intermediate shaft traveling drive gear 211 → output shaft traveling driven gear 213 → traveling output shaft 204 → front transaxle 101 or rear transaxle 103.
Transplanting rice seedlings: the input shaft 202 → the input shaft transplanting transfer gear 208 → the intermediate shaft coupled transplanting transfer gear 212 → the transfer shaft transplanting transfer gear 214 → the transplanting transfer shaft 205 → the input shaft 302 of the plant spacing gearbox.
As shown in fig. 7 to 10, an input shaft 302, an intermediate shaft 303, an intermediate shaft 304, an intermediate shaft 305, and a fork shaft 321 are provided in parallel in a casing 301 of the inter-row spacing transmission 300, an output shaft 306 is rotatably mounted on a bearing block 307, the bearing block 307 is fixed to the casing 301, the input shaft 302 extends from one side of the casing 301, and the output shaft 306 extends from the other side of the casing 301.
An input shaft fixed gear 320 is fixedly connected to the input shaft 302, an intermediate shaft fixed gear 319 is fixedly connected to the intermediate shaft 303, and the intermediate shaft fixed gear 319 is meshed with the input shaft fixed gear 320; an intermediate two-shaft fixed gear 318 is fixedly connected to the intermediate two-shaft 304 and a shifting triple gear 317 (including a first gear, a second gear and a third gear) is connected to the sliding key, and the intermediate one-shaft fixed gear 319 is meshed with the intermediate two-shaft fixed gear 318; the shifting triple gear 317 is controlled by a shifting fork 323, the shifting fork 323 is slidably connected with a shifting fork shaft 321 and controlled by a shifting handle 322, and the shifting fork shaft 321 is fixed on the box body 301. A first pitch gear 313, a second pitch gear 314, a third pitch gear 315, a fourth pitch gear 316 and an intermediate three-axis fixed gear 312 are fixedly connected to the intermediate three-axis 305.
The shifting fork shaft 321 is connected with a shifting fork 323 in a sliding mode, the shifting fork shaft 321 is fixed to the box body 301, and under the control of the shifting handle 310, the shifting triple gear 317 is selectively meshed with or separated from the first plant spacing gear 313, the second plant spacing gear 314, the third plant spacing gear 315 and the fourth plant spacing gear 316 through the shifting fork 323, so that the first plant spacing, the second plant spacing, the third plant spacing and the fourth plant spacing of the rice transplanter are switched. At this time, the first gear of the shifting triple gear 317, the first pitch gear 313 and the second pitch gear 314 are all displacement gears, and correct meshing between one gear and two gears with different tooth numbers is realized through positive displacement and negative displacement of the gears, so that more pitch speed change is realized by using less gear structures. Of course, in order to realize a four-speed transmission, the shift gears may be provided as four-speed shift gears.
A clutch gear 311 is rotatably mounted on the bearing seat 307, one end of the output shaft 306 is rotatably mounted on the bearing seat 307, the other end of the output shaft is rotatably mounted on the clutch gear 311, and the clutch gear 311 is meshed with the middle three-shaft fixed gear 312; the output shaft 306 is sleeved with a jaw spring 308 and connected with a sliding key to form a separation jaw 309, the control handle 310 is rotatably installed on the box body 301, the clutch device comprises a clutch gear 311, the separation jaw 309 and the jaw spring 308, the shifting fork mechanism and the control handle 310 jointly form the clutch device, the clutch device is integrated on the bearing seat 307, and the structure is compact and convenient to disassemble and assemble. The shifting fork mechanism is driven by the operating handle 310 to shift the separating jaw 309 to move axially to realize the combination and separation with the clutch gear 311, thereby cutting off the power of the transplanting operation part 500 in the process of the transplanting machine walking.
The plant spacing gear box 300 can realize the speed change of four plant spacing gears, and the output shaft of the plant spacing gear box has a clutch function, so that the transplanting power can be cut off independently.
The transmission route of the plant spacing gearbox is as follows:
the first distance between the strains: the input shaft 301 → the input shaft fixed gear 320 → the intermediate shaft fixed gear 319 → the intermediate two-shaft fixed gear 318 → the intermediate two-shaft 304 → the first gear in the shifting triplet gear 317 → the first pitch gear 313 → the intermediate three-shaft 305 → the intermediate three-shaft fixed gear 312 → the clutch gear 311 → the split dog 309 → the output shaft 306.
The second planting distance: the input shaft 301 → the input shaft fixed gear 320 → the intermediate shaft fixed gear 319 → the intermediate two-shaft fixed gear 318 → the intermediate two-shaft 304 → the first gear in the shifting triplet gear 317 → the second pitch gear 314 → the intermediate three-shaft 305 → the intermediate three-shaft fixed gear 312 → the clutch gear 311 → the split dog 309 → the output shaft 306.
Third plant spacing: the input shaft 301 → the input shaft fixed gear 320 → the intermediate shaft fixed gear 319 → the intermediate two-shaft fixed gear 318 → the intermediate two-shaft 304 → the second gear in the shifting triplet gear 317 → the third pitch gear 315 → the intermediate three-shaft 305 → the intermediate three-shaft fixed gear 312 → the clutch gear 311 → the split dog 309 → the output shaft 306.
Fourth planting distance: the input shaft 301 → the input shaft fixed gear 320 → the intermediate shaft fixed gear 319 → the intermediate two-shaft fixed gear 318 → the intermediate two-shaft 304 → the third gear in the shifting triplet gear 317 → the fourth pitch gear 316 → the intermediate three-shaft 305 → the intermediate three-shaft fixed gear 312 → the clutch gear 311 → the split dog 309 → the output shaft 306.
As shown in fig. 11, the box body 401 of the transition box 400 is provided with an input shaft 402 and an output shaft 403, the input shaft 402 extends from one side of the box body 401, the output shaft 403 extends from the other side of the box body 401, a chain transmission device is arranged between the input shaft 402 and the output shaft 403, the chain transmission device comprises chain wheels 404 and 405 and a chain 406, the chain wheel 404 is arranged on the input shaft 402, the chain wheel 405 is arranged on the output shaft 403, and the chain 406 is wound between the chain wheel 404 and the chain wheel 405. The transition box 400 has the function of lowering the height of the power input point of the rice transplanting universal joint coupling 501 while maintaining a high ground clearance, so that the normal use of the rice transplanting universal joint coupling 501 is not influenced by an overlarge inclination angle of the rice transplanting universal joint coupling 501 caused by the lifting of the rack 100.
As shown in fig. 12, taking as an example the final drive 105 mounted on the rear transaxle 102, it includes a knuckle housing 105A and a tip housing 105B rotatably mounted together, the knuckle housing 105A being fixed to the housing 102A of the rear transaxle 102; the input shaft 105C is vertically arranged, and one end thereof is rotatably mounted to the knuckle housing 105A and the other end thereof is rotatably mounted to the end housing 105B; an output shaft 105D is rotatably mounted on the tail end shell 105B, and the output shaft 105D is connected with a traveling wheel 106; one end of the input shaft 105C is in transmission connection with the output shaft 102B of the rear drive axle 102 through a first bevel gear pair, and the other end is in transmission connection with the output shaft 105D through a second bevel gear pair. In the same manner, final drive 105 may be mounted at both ends of front transaxle 101. The input shaft 105C is vertically arranged, and bevel gears are arranged at the upper end and the lower end of the input shaft 105C, so that the minimum ground clearance of the rice transplanter can be conveniently increased by increasing the length of the input shaft 105C.
Example 2
The structure of the embodiment 2 is basically the same as that of the embodiment 1, and the difference is that a walking gearbox and a plant spacing gearbox are integrally arranged to form a walking plant spacing integrated gearbox, the walking plant spacing integrated gearbox is in transmission connection with an engine, the walking plant spacing integrated gearbox comprises a walking output shaft and a seedling transplanting split shaft, one end of the walking output shaft is in transmission connection with the front drive axle, the other end of the walking output shaft is in transmission connection with the rear drive axle, and the seedling transplanting split shaft is in transmission connection with the transition box. The walking gearbox and the planting distance gearbox are integrally arranged to form the walking planting distance integrated gearbox, so that the transmission system is more compact, and the minimum ground clearance of the rice transplanter increased by lifting the rack cannot be influenced as long as the overall size is properly controlled.
The present invention is not limited to the embodiments described above, and all modifications that can be made based on the concept, principle, structure and method of the present invention will fall within the scope of the present invention.
Claims (10)
1. A high-ground-clearance full-time four-wheel-drive rice transplanter comprises:
the rice transplanter comprises a frame, wherein a front drive axle, a rear drive axle and a transmission system are installed on the frame, a rice transplanting operation part is movably connected to the rear of the frame, the front drive axle is fixedly connected with the frame, the rear drive axle is hinged with the frame, the front drive axle is provided with a front steering oil cylinder, the rear drive axle is provided with a rear steering oil cylinder, final transmission devices are respectively arranged at two ends of the front drive axle and two ends of the rear drive axle, each final transmission device comprises a steering knuckle shell and a tail end shell which are rotatably installed together, an output shaft of the front drive axle and an output shaft of the rear drive axle are respectively in transmission connection with an input shaft of the corresponding final transmission device, an output shaft of the final transmission device is connected with a travelling wheel, and a shell of the front drive axle and a shell of the rear drive axle are respectively and fixedly connected with the corresponding steering knuckle shells, piston rods of the front steering oil cylinder and the rear steering oil cylinder are respectively hinged with the corresponding tail end shell; it is characterized in that the preparation method is characterized in that,
the transmission system comprises a walking gearbox, a planting distance gearbox and a transition box, wherein the walking gearbox, the planting distance gearbox and the transition box are respectively fixed on the rack, the walking gearbox is in transmission connection with an engine, the walking gearbox comprises a walking output shaft and a transplanting sub-shaft, one end of the walking output shaft is in transmission connection with the front drive axle, the other end of the walking output shaft is in transmission connection with the rear drive axle, the transplanting sub-shaft is in transmission connection with the planting distance gearbox, the planting distance gearbox is located in front of the rear drive axle, the transition box is located behind the rear drive axle, an input shaft of the transition box is located above the rear drive axle and is in transmission connection with the planting distance gearbox, and an output shaft of the transition box is located below an input shaft of the transition box and is connected with the transplanting operation part through a transplanting universal joint coupler.
2. The high-ground-clearance full-time four-wheel-drive rice transplanter as claimed in claim 1, wherein the output shaft of the front driving axle and the output shaft of the rear driving axle are respectively in transmission connection with the input shaft of the corresponding final transmission device through a first bevel gear pair, the input shaft of the final transmission device is in transmission connection with the output shaft of the final transmission device through a second bevel gear pair, and the input shaft of the final transmission device is vertically arranged.
3. The high-clearance full-time four-wheel-drive rice transplanter as claimed in claim 1, wherein the radius of the road wheel of the front driving axle is the same as that of the road wheel of the front driving axle.
4. The high-clearance full-time four-wheel-drive rice transplanter according to claim 1, wherein the traveling gearbox is in transmission connection with the engine through a hydraulic stepless speed changer.
5. The high-clearance full-time four-wheel-drive rice transplanter according to claim 1, wherein a limited slip differential is arranged in each of the front drive axle and the rear drive axle.
6. The high-clearance full-time four-wheel-drive rice transplanter as claimed in claim 1, wherein the walking gearbox comprises a box body, an input shaft, a middle shaft, a walking output shaft, a transplanting branch shaft and a shifting fork shaft are arranged in parallel in the box body;
the input shaft is provided with an input shaft coupling gear and an input shaft transplanting transfer gear, the input shaft coupling gear is connected with the input shaft in a sliding key mode, and the input shaft transplanting transfer gear is fixedly connected with the input shaft;
the intermediate shaft is provided with an intermediate shaft high-gear, an intermediate shaft low-gear, an intermediate shaft walking driving gear and an intermediate shaft dual-joint seedling transplanting transfer gear, the intermediate shaft high-gear, the intermediate shaft low-gear and the intermediate shaft walking driving gear are respectively and fixedly connected to the intermediate shaft, the intermediate shaft dual-joint seedling transplanting transfer gear is rotatably mounted on the intermediate shaft, and the intermediate shaft dual-joint seedling transplanting transfer gear is meshed with the input shaft seedling transplanting transfer gear; a friction plate brake controlled by a tension line mechanism is also arranged on the intermediate shaft;
an output shaft walking driven gear is fixedly connected to the walking output shaft and meshed with the intermediate shaft walking driving gear;
a branch shaft transplanting transfer gear is fixedly connected to the transplanting branch shaft and is meshed with the intermediate shaft-coupled transplanting transfer gear;
the shifting fork shaft is connected with a shifting fork, and under the control of the control mechanism, the shifting fork shaft drives the input shaft dual gear to selectively slide along the axial direction through the shifting fork, and the input shaft dual gear is meshed with or separated from the intermediate shaft high gear and the intermediate shaft low gear so as to realize the switching of the high gear, the low gear and the neutral gear of the rice transplanter.
7. The high-clearance full-time four-wheel-drive rice transplanter according to claim 1, wherein the planting distance gearbox comprises a box body, an input shaft, a middle three shaft and a shifting fork shaft are arranged in the box body in parallel, an output shaft is rotatably mounted on a bearing seat, the bearing seat is fixed on the box body, the input shaft extends out from one side of the box body, and the output shaft extends out from the other side of the box body;
the input shaft is fixedly connected with an input shaft fixed gear; a fixed gear of the middle shaft is fixedly connected to the middle shaft and meshed with the fixed gear of the input shaft; the middle two-shaft fixed gear is fixedly connected to the middle two-shaft and connected with the gear shifting gear through a sliding key, and the middle two-shaft fixed gear is meshed with the middle one-shaft fixed gear; a first spacing gear, a second spacing gear, a third spacing gear, a fourth spacing gear and a middle three-axis fixed gear are fixedly connected to the middle three-axis;
the shifting fork shaft is slidably connected with a shifting fork, the shifting fork shaft is fixed on the box body, and under the control of a shifting handle, the shifting gear is selectively meshed or separated with the first spacing gear, the second spacing gear, the third spacing gear and the fourth spacing gear through the shifting fork so as to realize the switching of the first spacing, the second spacing, the third spacing and the fourth spacing of the rice transplanter;
the bearing frame rotates and installs clutch gear, the one end of output shaft rotate install in the bearing frame, the other end rotate install in clutch gear, clutch gear with middle triaxial fixed gear meshes, the cover is equipped with the dog spring and sliding key connects has the separation dog on the output shaft, makes shift fork mechanism stir through the control handle separation dog axial displacement and then realize with clutch gear's combination and separation, the control handle rotate install in the box.
8. The high-clearance full-time four-wheel-drive rice transplanter according to claim 7, wherein said shift gear is a triple shift gear comprising a first gear, a second gear and a third gear, and wherein said first gear and said first pitch gear and said second pitch gear engageable with said first gear are each a modified gear.
9. The high-clearance full-time four-wheel-drive rice transplanter as claimed in claim 1, wherein the transition box comprises a box body, the input shaft of the transition box extends from one side of the box body, the output shaft extends from the other side of the box body, and a chain transmission device is arranged in the box body between the input shaft and the output shaft.
10. A high-ground-clearance full-time four-wheel-drive rice transplanter comprises:
the rice transplanter comprises a frame, wherein a front drive axle, a rear drive axle and a transmission system are installed on the frame, a rice transplanting operation part is movably connected to the rear of the frame, the front drive axle is fixedly connected with the frame, the rear drive axle is hinged to the frame, the front drive axle is provided with a front steering oil cylinder, the rear drive axle is provided with a rear steering oil cylinder, final transmission devices are respectively arranged at two ends of the front drive axle and two ends of the rear drive axle, each final transmission device comprises a steering knuckle shell and a tail end shell which are rotatably installed together, an output shaft of the front drive axle and an output shaft of the rear drive axle are respectively in transmission connection with an input shaft of the corresponding final transmission device, an output shaft of the final transmission device is connected with a travelling wheel, and a shell of the front drive axle and a shell of the rear drive axle are respectively and fixedly connected with the corresponding steering knuckle shells, piston rods of the front steering oil cylinder and the rear steering oil cylinder are respectively hinged with the corresponding tail end shell; it is characterized in that the preparation method is characterized in that,
the transmission system comprises a walking planting distance integrated gearbox and a transition box, the walking planting distance integrated gearbox and the transition box are respectively fixed on the rack, the walking planting distance integrated gearbox is in transmission connection with an engine, the walking planting distance integrated gearbox comprises a walking output shaft and a transplanting sub-shaft, one end of the walking output shaft is in transmission connection with the front drive axle, the other end of the walking output shaft is in transmission connection with the rear drive axle, the transplanting sub-shaft is in transmission connection with the transition box, the transition box is located behind the rear drive axle, an input shaft of the transition box is located above the rear drive axle, and an output shaft of the transition box is located below an input shaft of the transition box and is connected with the transplanting operation part through a transplanting universal joint coupler.
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| CN202011617825.XA CN112616392B (en) | 2020-12-30 | 2020-12-30 | High-ground-clearance full-time four-drive rice transplanter |
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| CN202011617825.XA CN112616392B (en) | 2020-12-30 | 2020-12-30 | High-ground-clearance full-time four-drive rice transplanter |
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| CN112616392B CN112616392B (en) | 2024-09-10 |
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|---|---|---|---|---|
| CN201270660Y (en) * | 2008-09-06 | 2009-07-15 | 孟庆和 | Rice-planting machine convenient for adjusting planting distance |
| CN201360417Y (en) * | 2008-10-30 | 2009-12-16 | 孙晓辉 | Novel travelling gearbox of transplanter |
| CN104191966A (en) * | 2014-08-22 | 2014-12-10 | 山东常林农业装备股份有限公司 | Multifunctional self-propelled tillage machine with four-wheel-drive |
| CN109496510A (en) * | 2019-01-16 | 2019-03-22 | 潍坊同方机械有限公司 | Full driving rice transplanter |
| CN214316216U (en) * | 2020-12-30 | 2021-10-01 | 潍坊同方机械有限公司 | High-ground-clearance full-time four-wheel-drive rice transplanter |
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2020
- 2020-12-30 CN CN202011617825.XA patent/CN112616392B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201270660Y (en) * | 2008-09-06 | 2009-07-15 | 孟庆和 | Rice-planting machine convenient for adjusting planting distance |
| CN201360417Y (en) * | 2008-10-30 | 2009-12-16 | 孙晓辉 | Novel travelling gearbox of transplanter |
| CN104191966A (en) * | 2014-08-22 | 2014-12-10 | 山东常林农业装备股份有限公司 | Multifunctional self-propelled tillage machine with four-wheel-drive |
| CN109496510A (en) * | 2019-01-16 | 2019-03-22 | 潍坊同方机械有限公司 | Full driving rice transplanter |
| CN214316216U (en) * | 2020-12-30 | 2021-10-01 | 潍坊同方机械有限公司 | High-ground-clearance full-time four-wheel-drive rice transplanter |
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| CN112616392B (en) | 2024-09-10 |
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Effective date of registration: 20210602 Address after: No.1 street, Weicheng district (Binhai) characteristic industrial park, Binhai Economic Development Zone, Weifang City, Shandong Province Applicant after: WEIFANG TONGFANG MACHINERY Co.,Ltd. Address before: 261000 7887 Yuqing West Street, Weicheng District, Weifang City, Shandong Province Applicant before: WEIFANG DEKE MACHINERY Co.,Ltd. |
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