CN209914493U - Stem and leaf type vegetable harvester - Google Patents
Stem and leaf type vegetable harvester Download PDFInfo
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- CN209914493U CN209914493U CN201920215384.7U CN201920215384U CN209914493U CN 209914493 U CN209914493 U CN 209914493U CN 201920215384 U CN201920215384 U CN 201920215384U CN 209914493 U CN209914493 U CN 209914493U
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- 235000013311 vegetables Nutrition 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 73
- 210000000078 claw Anatomy 0.000 claims abstract description 9
- 235000021384 green leafy vegetables Nutrition 0.000 claims description 33
- 238000000926 separation method Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 abstract description 8
- 238000003756 stirring Methods 0.000 abstract 1
- 241000282472 Canis lupus familiaris Species 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011664 nicotinic acid Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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Abstract
The utility model relates to a stem and leaf class vegetable harvester belongs to agricultural machine technical field. The machine frame has a separator, a reciprocating cutter, a twisting conveyer, a declination conveyer belt and an ordered collecting box at the declination front end; the collecting box is provided with a sliding plate, one end of the sliding plate is connected below the output end of the conveying belt, the other end of the sliding plate extends to the bottom of the box in an inclined mode, and a vegetable stirring manipulator is arranged above the sliding plate; the vegetable poking manipulator comprises an upper transmission shaft and a lower transmission shaft which are horizontally supported between two mounting side plates of the collecting box and a poking claw consisting of a poking handle and a drooping poking finger, wherein the upper transmission shaft and the lower transmission shaft respectively radially extend out of a transmission crank and a driving crank, the outer end of the transmission crank is hinged with the rear end of the poking handle, the outer end of the driving crank is hinged with one end of a connecting rod, and the other end of the connecting rod and the middle part of the poking handle form a lockable moving pair. The utility model discloses a fall when skateboard manipulator structure has avoided the leaf dish to go into the case guarantees moreover that the leaf dish distributes neatly and reaches the bottom of the case, has consequently effectively guaranteed the final harvest quality of leaf dish.
Description
Technical Field
The utility model relates to a harvesting machine, especially a stem and leaf class vegetable harvesting machine belongs to agricultural machine technical field.
Background
In order to properly solve the technical problem of mechanized orderly harvesting of leaf vegetables, the application number 201810143834.6 of the Chinese utility model discloses an orderly harvesting machine for leaf vegetables, wherein a grain divider and a cutter are arranged at the declined front end of a frame of the machine, and driven rollers which are distributed at intervals are arranged above the cutter; the driven rollers are distributed on two sides of the rear end of each parallel divider in pairs, and the upper ends of the driven rollers are fixed with flexible claw vegetable-poking discs; a group of paired horizontal shaft main transmission lower rollers and main transmission upper rollers which respectively correspond to the paired auxiliary transmission rollers are supported in the middle of the rack, and paired conveying belts are wound between the two paired auxiliary transmission rollers and the corresponding paired main transmission lower rollers and main transmission upper rollers respectively; the paired conveying belts are gradually lifted and twisted from the initial left-right adjacent clamping to be clamped up and down; a horizontal conveying belt is arranged below the lower roller of the main transmission, and a collecting box is arranged below the output end of the horizontal conveying belt. The utility model properly solves the ordered delivery of the leaf vegetables, and avoids the blockage and damage of the vegetables; and the difficult problem that the collection of the leaf vegetables is easy to scatter is ingeniously solved by the posture torsion of clamping and conveying and the sliding groove plug-in type partition plate, and the device has wide adaptability. This patent is still in order to adjust the inclination of collecting box and horizontal conveyor belt on collecting device's design, makes leaf dish steady as far as, orderly landing to the collecting box bottom. However, because a certain height drop still exists and the vegetables and leaves are easy to be stacked on the sliding plate, the arranged vegetables and leaves are easy to be scattered and disordered due to the height drop when falling into the collecting box, and the vegetables and leaves need to be repeatedly and auxiliarily shifted into the box due to the stacking on the sliding plate, so that the manual operation intensity is increased.
Furthermore, as far as the applicant is aware, most of the power machines of the existing harvesters are simply reduced in size of the implement on the basis of the mature field machines, and are poor in stability, reliability and maneuverability due to lack of systematic and targeted research. Especially, the power source adopts a gasoline engine and a diesel engine, which not only has large noise and large pollution, but also has poor adaptability due to single power, is difficult to be matched with the interfaces of working machines in all links, and cannot have universality.
Disclosure of Invention
The utility model discloses a first aim at: through the structural innovation, the stem leaf vegetable harvester capable of effectively keeping leaf vegetables orderly put into a box is provided, and the harvesting quality is ensured.
The utility model discloses further aim at: provides a crawler self-propelled stem leaf vegetable harvester which can conveniently switch power sources according to needs and has good maneuverability, thereby meeting the needs of the development of facility agriculture by virtue of the advantages of double power.
In order to realize the above primary purpose, the technical proposal of the stem leaf vegetable harvester of the utility model is that: the device comprises a frame which is supported on a height adjusting oil cylinder on a walking chassis, wherein a line divider and a reciprocating cutter are arranged at the declined front end of the frame, and the input end of a twisting conveying device is connected and installed above the reciprocating cutter; a declination conveying belt is arranged below the output end of the twisting conveying device, and an ordered collecting box is arranged below the output end of the declination conveying belt;
the ordered collecting box is provided with a sliding plate, one end of the sliding plate is connected with the lower inclined conveying belt, the other end of the sliding plate extends to the bottom of the box in an inclined manner, and a vegetable poking manipulator is arranged above the sliding plate;
the vegetable poking manipulator comprises an upper transmission shaft and a lower transmission shaft which are horizontally supported between two mounting side plates of the collecting box and a poking claw consisting of a poking handle and a downward poking finger, wherein the upper transmission shaft and the lower transmission shaft respectively extend out of a transmission crank and a driving crank in the radial direction, the outer end of the transmission crank is hinged with the rear end of the poking handle, the outer end of the driving crank is hinged with one end of a connecting rod, and the other end of the connecting rod and the middle part of the poking handle form a lockable moving pair.
When the vegetables are harvested, the stem leaf vegetables are divided into a plurality of rows under the action of the divider, cut off by the reciprocating cutter, rotated and pushed in by the flexible claw vegetable-pushing disc, sequentially vertically and orderly enter the clamping conveyer belt, gradually toppled into a prone position from a vertical position along with the clamping torsion, and orderly dropped onto the declination conveyer belt in order after being output, and then conveyed to the orderly collecting box; ordered leaf vegetables orderly arranged by the front device are continuously output to the sliding plate from the ordered output end, and the pusher dogs in the manipulator double-crank link mechanism perform reciprocating vegetable shifting motion to ensure that the ordered leaf vegetables are kept orderly and are gradually and orderly put into a box. Because the utility model discloses a slide plate manipulator structure not only has avoided the drop when prior art leaf dish is gone into the case completely, has avoided the leaf dish to pile up on the slide moreover, keeps the leaf dish to divide to dial neatly and reaches the incasement, has consequently effectively guaranteed the final harvest quality of leaf dish.
In order to achieve a further purpose, a mechanical gearbox driven by an engine is arranged on the front side of the walking chassis, and the output end of the mechanical gearbox is in transmission connection with front driving wheels on two sides of the walking chassis through front clutch devices on two sides; a motor which is in transmission connection with rear driving wheels at two sides of the walking chassis through rear clutch devices is arranged at the rear side of the frame; the control platform at the front end of the rack is respectively hinged with a main operating handle and two reversing operating handles which are separated from each other left and right; a pair of front rocker arms and a pair of rear rocker arms radially extend from a hinged shaft of the main operating handle respectively;
the outer end of the front rocker arm is hinged with the upper end of a front driving connecting rod, and the lower end of the front driving connecting rod is hinged with a pull head at one end of a front soft cable; the other end of the front soft cable is hinged with one end of a front clutch swing rod, the other end of the front clutch swing rod is connected with a front shifting fork hinged on a front clutch support, and the front shifting fork is provided with two limit positions which enable the front clutch device to be in transmission connection with the front driving wheel and to be in transmission separation;
the outer end of the rear rocker arm is hinged with the upper end of a rear drive connecting rod, and the lower end of the rear drive connecting rod is hinged with a pull head at one end of a rear flexible cable; the pull head at the other end of the rear soft cable is hinged with one end of a rear clutch swing rod, the other end of the rear clutch swing rod is connected with a rear shifting fork hinged on a rear clutch bracket, and the rear shifting fork is provided with two limit positions for driving the rear clutch device to be separated from and connected with a rear driving wheel in a transmission way;
the hinged shaft of the reversing operating handle is hinged with the upper end of a vertical connecting rod through an extension arm, and the lower end of the vertical connecting rod is hinged with a forward and reverse switching piece of a transmission gear of the mechanical gearbox.
Like this, can conveniently realize the switching of power supply interlocking nature between fuel engine and the power through controlling main operating handle as required to with the help of the switching-over operating handle of double-phase alternate segregation, can realize both sides track forward motion and backward motion respectively through the switching of drive gear positive and negative rotation, thereby accomplish zero radius turn, make the utility model discloses a self-propelled dual-power universal platform of track has very ideal mobility.
Further, the box bottom is divided into a plurality of isolation cavities by the drawable partition boards; the positions of the upper transmission shaft and the lower transmission shaft corresponding to the isolation cavities respectively radially extend out of transmission cranks and driving cranks with equal lengths to form a crankshaft shape.
Furthermore, the other end of the connecting rod and the middle part of the shifting handle form a lockable sliding pair through a sliding sleeve to form a parallel double-crank four-bar mechanism.
Furthermore, a soft sleeve is sleeved outside the finger-poking sleeve.
Furthermore, the front clutch device comprises a front clutch fixed disc fixed on the corresponding clutch shaft and a front clutch movable disc movably sleeved on the corresponding clutch shaft, and the inner end of the front clutch movable disc is abutted against the corresponding pressure spring; the excircle of preceding separation and reunion movable plate has the spout of shift fork before the embedding.
Furthermore, the rear clutch device comprises a rear clutch fixed disc fixed on the corresponding clutch shaft and a rear clutch movable disc movably sleeved on the corresponding clutch shaft, and the inner end of the rear clutch movable disc is abutted against the corresponding pressure spring; the excircle of back separation and reunion shifting disk has the spout of embedding back shift fork.
Furthermore, the control platform at the front end of the rack is also provided with a motor advancing and steering handle.
Further, the engine is in transmission connection with the mechanical gearbox through a high-speed transmission case and a low-speed transmission case.
Further, an engine positioned below the seat is installed on the front side of the frame arranged on the crawler chassis.
Drawings
For a clearer explanation of the present invention, the following description will briefly be made with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a first preferred embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic perspective view of the embodiment of fig. 1.
Fig. 4 is a schematic structural diagram of a second preferred embodiment of the present invention.
FIG. 5 is a partial perspective enlarged view of the ordered collection box of the embodiment of FIG. 4.
FIG. 6 is a perspective view of the universal dual-power chassis used in the embodiment of FIG. 1.
Fig. 7 is a schematic plan projection configuration of fig. 6.
Fig. 8 is a perspective view of the transmission control system of fig. 6.
Fig. 9 is a perspective view of the clutch device of fig. 6 in a power-off state.
FIG. 10 is a schematic diagram of the transmission control system cord connection of FIG. 6.
Detailed Description
Example one
The stem and leaf vegetable harvester of the embodiment is shown in fig. 1, 2 and 3, and a crawler-type walking chassis 5 of the stem and leaf vegetable harvester is supported on a frame 4 of a height adjusting oil cylinder 7, a seat 8 and a control system 10.
The declination front end of the frame 4 is provided with a line separator 1 for separating a cutting area and an uncut area and a reciprocating cutter 2, and the upper part of the reciprocating cutter 2 is connected with the input end of a torsion conveying device 11; a declination conveying belt 9 is arranged below the output end of the twisting conveying device, and an ordered collecting device comprising an ordered collecting box 6 is arranged below the output end of the declination conveying belt. The specific structure of the ordered collection device is the same as that of the embodiment shown in fig. 4, and will be described in detail in the embodiment two with reference to fig. 4.
The twisting and conveying device comprises driven rollers which are arranged above the reciprocating cutter and distributed at intervals; the roll shafts of the driven rollers are vertical to the inclined rack, are distributed on two sides of the rear end of each parallel nearside divider in pairs, and the upper ends of the parallel nearside dividers are fixed with flexible claw vegetable-poking disks; a group of paired horizontal shaft main transmission lower rollers and main transmission upper rollers which respectively correspond to the paired auxiliary transmission rollers are supported in the middle of the rack, and paired conveying belts are wound between the two paired auxiliary transmission rollers and the corresponding paired main transmission lower rollers and main transmission upper rollers respectively; the paired conveying belts are gradually lifted and twisted from the initial left-right adjacent clamping to be clamped up and down.
The crawler-type traveling chassis 5 of the embodiment adopts a self-propelled dual-power universal platform shown in fig. 6 and 7, an engine 5-9 positioned below a seat 8 is arranged on the front side of the crawler-type traveling chassis 5-2, a mechanical gearbox 5-10 driven by a high-speed and low-speed transmission case 5-4 is arranged on the front side of the crawler-type traveling chassis 5-2, and the output end of the mechanical gearbox 5-10 is in transmission connection with front driving wheels 5-3 on two sides of the crawler-type traveling chassis 2 through front clutch devices 5-15' on two sides. The rear side is provided with a motor 5-13 which is respectively in transmission connection with the rear driving wheels 5-5 at the two sides of the crawler chassis 5-2 through a rear clutch device 5-15 and is powered by a lithium battery 5-7. The control platform at the front end of the crawler chassis 5-2 is respectively hinged with a main operating handle 5-11, two reversing operating handles 5-14 which are separated from left and right, and a motor advancing and steering handle 5-12. The conventional three-point hitch system 6 which is arranged at the middle part of the rear end of the crawler chassis 5-2 and can be connected with various machines and tools can be detached and not used in the embodiment.
As shown in fig. 8, the hinge shafts of the main operating handles 5-11 are extended radially with a pair of front swing arms 11-1' and a pair of rear swing arms 11-1, respectively. The outer end of the front rocker arm 11-1 'is hinged with the upper end of the front drive connecting rod 11-2', and the lower end of the front drive connecting rod 11-2 'is hinged with a puller at one end of the front soft cable 15-4'; the pull head at the other end of the front soft cable 15-4 'is hinged with one end of a front clutch swing rod 15-3', the other end of the front clutch swing rod 15-3 'is connected with a front shifting fork 15-7' hinged on a front clutch support 15-1 ', and the front shifting fork is provided with two limit positions of driving connection and driving separation of the front clutch device 5-15' and the front driving wheel 5-3.
The outer end of the rear rocker arm 11-1 is hinged with the upper end of a rear drive connecting rod 11-2, and the lower end of the rear drive connecting rod 11-2 is hinged with a puller at one end of a rear soft cable 15-4; the pull head at the other end of the rear soft cable 15-4 is hinged with one end of a rear clutch swing rod 15-3, the other end of the rear clutch swing rod 15-3 is connected with a rear shifting fork 15-7 hinged on a rear clutch bracket 15-1, and the rear shifting fork 15-7 has two limit positions for driving and separating and driving the rear clutch device 5-15 and the rear driving wheel 5-5.
The specific structure of the rear clutch device 5-15 is shown in fig. 9 and fig. 10, and comprises a rear clutch fixed disk 15-2 fixed on a clutch shaft and a rear clutch movable disk 15-8 movably sleeved on the clutch shaft, wherein the inner end of the rear clutch movable disk 15-8 is abutted against a pressure spring 15-6, so that the rear clutch movable disk tends to be engaged with the clutch fixed disk 15-2, the outer circle of the rear clutch movable disk 15-8 is provided with a sliding groove embedded with a rear shifting fork 15-7, so that the rear clutch movable disk can slide along the clutch shaft under the action of the rear shifting fork 15-7, and the rear clutch device can be switched between two limit positions of transmission separation and transmission connection. The specific structure of the front clutch device 5-15' is the same and will not be described repeatedly.
The hinged shaft of the reversing operating handle 5-14 is hinged with the upper end of the vertical connecting rod 14-2 through the extension arm 14-1, and the lower end of the vertical connecting rod 14-2 is hinged with the forward and reverse rotation switching part 14-3 of the transmission gear of the mechanical gearbox. Therefore, the forward and reverse rotation of the output transmission gear in the driving system can be controlled by respectively controlling the reversing operation handles 5 to 14, and the turning radius is changed by controlling the left and right crawler belts to walk in the forward and reverse directions, so that the zero-radius steering is realized. The left and right push motors advance and the steering handles 5-12 can control the output shaft of the motor on one side to rotate forwards and the output shaft of the motor on one side to rotate backwards, and zero-radius steering is also realized.
The universal platform adopted by the embodiment is provided with oil-electricity dual-power driving, wherein the oil transmission part transmits power to a high-low gear mechanical gearbox (adjusting the high and low rotating speeds of a power output shaft of the gearbox) by a fuel engine through a transmission belt, the high-low gear mechanical gearbox transmits the power to the mechanical gearbox through the transmission belt, and the mechanical gearbox is connected with a driving wheel at the front end of a crawler belt through a mechanical clutch; the electric transmission part is connected with a driving wheel at the rear end of the crawler belt through a mechanical clutch by a motor, and a lithium battery provides power for the motor; when the engine works, the lithium battery can be charged. The main operating handle controls the on-off of the clutch on the front and rear driving wheels through a soft cable pull wire, cuts off or engages power, and a connecting rod hinged with the operating handle adopts a linkage design to ensure that only one end of the front and rear driving wheels is engaged with the power all the time; the front or back push motor advances and turns to the handle, control the left and right caterpillar band to drive the motor output shaft to rotate forward or backward synchronously, realize the caterpillar band advances and retreats and walks. The mechanical clutch may be replaced by an electromagnetic clutch.
Except that the double-power universal platform is matched with the embodiment, the front end of the double-power universal platform can be integrated with any vegetable harvesting header according to actual operation requirements, the rear end of the double-power universal platform can be assembled with a three-point hitching system and an integrated farming device, and the matched connection of the three-point hitching system, the working power output system and the header or the farming device is provided with a modularized universal interface, so that the universality of the power platform is effectively improved.
Example two
The stem leaf vegetable harvester of the embodiment is as shown in fig. 4, and is obviously different from the embodiment in that the walking chassis 5 is a pushing structure supported by front and rear wheels, and is completely the same as the embodiment in that the ordered collecting device is provided with a sliding plate J4, one end of the sliding plate is connected below an ordered output end, the other end of the sliding plate is obliquely extended to a box bottom J1, the box bottom J1 is divided into six isolated cavities by a partition plate J2 which can be inserted and pulled, and a vegetable poking manipulator 3 corresponding to each isolated cavity is arranged above the sliding plate J4.
The structure of the vegetable poking manipulator 3 is shown in figure 5, and comprises an upper driving shaft 3-2 and a lower driving shaft 3-4 which are horizontally supported between two mounting side plates 3-3 of a collecting box, and a poking claw 3-9 which is composed of a poking handle 3-8 and a drooping forked poking finger 3-10. A soft sleeve is sleeved outside the shifting finger 3-10. The lower driving shaft 3-4 is in transmission connection with the driving motor 3-1 and is in transmission connection with the upper driving shaft 3-2 through a chain wheel chain in the chain transmission case 3-11, so that synchronous rotation can be achieved.
The positions of the upper transmission shaft 3-2 and the lower transmission shaft 3-4 corresponding to the isolation cavities respectively extend out of transmission cranks 3-6 and driving cranks 3-5 with equal length in the radial direction to form a crank shape. The outer end of a transmission crank 3-6 is hinged with the rear end of a shifting handle 3-8 through a bearing, the outer end of a driving crank 3-5 is hinged with one end of a connecting rod 3-7 through a bearing, the other end of the connecting rod 3-7 forms a lockable sliding pair with the middle part of the shifting handle 3-8 through a sliding sleeve, the locking is realized by a fastener after the inclination angle of a shifting claw 3-9 is adjusted as required, and the connecting rod 3-7 is fixedly connected with the shifting claw 3-9, so that a parallel double-crank four-bar mechanism is formed.
In the forward operation process of the harvester, the stem leaf vegetables in front are continuously conveyed backwards, the vegetables are conveyed to the sliding plate and then are placed in a box after being twisted by the conveying belt and laid horizontally, the stem leaf vegetables conveyed to the sliding plate are actively pulled backwards by the manipulator, and in the synchronous double-crank rotating motion process, the pusher dog completes the circulating bionic pulling and conveying plane motion by the entering state, the vegetable pulling state and the pusher dog disengaging state, so that the harvested stem leaf vegetables are orderly placed in the box.
Experiments show that compared with the prior art, the automatic leaf vegetable sorting machine has the remarkable beneficial effects of completely avoiding the fall of leaf vegetables when the leaf vegetables are put into the box, preventing the leaf vegetables from being accumulated on the sliding plate, keeping the leaf vegetables sorted to be orderly arranged in the box, and also has the following advantages:
1) the baffle in the collecting box is used for separating the stem leaf class vegetables of collecting, has further guaranteed that the stem leaf class vegetables of collecting are neat orderly, can take out the baffle fast when the collecting box is full, changes the empty case, saves the time of changing the case.
2) The manipulator formed by the parallel double-crank four-bar mechanism with the adjustable connecting rods is convenient to adjust, good in adaptability and good in bionic effect.
3) The crankshaft-shaped lower driving shaft directly driven by the motor and the upper driving shaft driven by the chain transmission not only properly solve the problem of motion interference of each manipulator, but also synchronously output double-crank power, so that each manipulator can stably and reliably move, and the problems of blockage and vegetable damage caused by accumulation of stem and leaf vegetables on the sliding plate are thoroughly avoided.
Claims (10)
1. A stem and leaf vegetable harvester comprises a frame (4) which is supported on a height adjusting oil cylinder (7) on a walking chassis (5), wherein a separator (1) and a reciprocating cutter (2) are arranged at the declined front end of the frame, and the upper part of the reciprocating cutter is connected with the input end of a torsion conveying device (11); a declination conveying belt (9) is arranged below the output end of the twisting conveying device, and an ordered collecting box (6) is arranged below the output end of the declination conveying belt; the method is characterized in that:
the ordered collecting box is provided with a sliding plate, one end of the sliding plate is connected with the lower inclined conveying belt, the other end of the sliding plate extends to the bottom of the box in an inclined manner, and a vegetable poking manipulator (3) is arranged above the sliding plate;
the vegetable poking mechanical arm comprises an upper transmission shaft (3-2) and a lower driving shaft (3-4) which are horizontally supported between two mounting side plates (3-3) of the ordered collection box, and a poking claw (3-9) consisting of a poking handle (3-8) and a downward poking finger, wherein the upper transmission shaft and the lower driving shaft respectively extend out of a transmission crank (3-6) and a driving crank (3-5) in the radial direction, the outer end of the transmission crank is hinged with the rear end of the poking handle, the outer end of the driving crank is hinged with one end of a connecting rod (3-7), and the other end of the connecting rod and the middle part of the poking handle form a lockable moving pair.
2. The stem leaf vegetable harvester of claim 1, wherein: the front side of the walking chassis is provided with a mechanical gearbox driven by an engine, and the output end of the mechanical gearbox is in transmission connection with front driving wheels on two sides of the walking chassis through front clutch devices on two sides; a motor which is in transmission connection with rear driving wheels at two sides of the walking chassis through rear clutch devices is arranged at the rear side of the frame; the control platform at the front end of the rack is respectively hinged with a main operating handle and two reversing operating handles which are separated from each other left and right; a pair of front rocker arms and a pair of rear rocker arms radially extend from a hinged shaft of the main operating handle respectively;
the outer end of the front rocker arm is hinged with the upper end of a front driving connecting rod, and the lower end of the front driving connecting rod is hinged with a pull head at one end of a front soft cable; the other end of the front soft cable is hinged with one end of a front clutch swing rod, the other end of the front clutch swing rod is connected with a front shifting fork hinged on a front clutch support, and the front shifting fork is provided with two limit positions which enable the front clutch device to be in transmission connection with the front driving wheel and to be in transmission separation;
the outer end of the rear rocker arm is hinged with the upper end of a rear drive connecting rod, and the lower end of the rear drive connecting rod is hinged with a pull head at one end of a rear flexible cable; the pull head at the other end of the rear soft cable is hinged with one end of a rear clutch swing rod, the other end of the rear clutch swing rod is connected with a rear shifting fork hinged on a rear clutch bracket, and the rear shifting fork is provided with two limit positions for driving the rear clutch device to be separated from and connected with a rear driving wheel in a transmission way;
the hinged shaft of the reversing operating handle is hinged with the upper end of a vertical connecting rod through an extension arm, and the lower end of the vertical connecting rod is hinged with a forward and reverse switching piece of a transmission gear of the mechanical gearbox.
3. The stem leaf vegetable harvester of claim 2, wherein: the box bottom is divided into a plurality of isolation cavities by the drawable partition plate; the positions of the upper transmission shaft and the lower transmission shaft corresponding to the isolation cavities respectively radially extend out of transmission cranks and driving cranks with equal lengths to form a crankshaft shape.
4. The stem leaf vegetable harvester of claim 3, wherein: the other end of the connecting rod and the middle part of the shifting handle form a lockable moving pair through a sliding sleeve to form a parallel double-crank four-bar mechanism.
5. The stem leaf vegetable harvester of claim 4, wherein: the shifting finger is sleeved with a soft sleeve.
6. The stem and leaf vegetable harvester according to any one of claims 2 to 5, wherein: the front clutch device comprises a front clutch fixed disc fixed on the corresponding clutch shaft and a front clutch movable disc movably sleeved on the corresponding clutch shaft, and the inner end of the front clutch movable disc is abutted against the corresponding pressure spring; the excircle of preceding separation and reunion movable plate has the spout of shift fork before the embedding.
7. The stem leaf vegetable harvester of claim 6, wherein: the rear clutch device comprises a rear clutch fixed disc fixed on the corresponding clutch shaft and a rear clutch movable disc movably sleeved on the corresponding clutch shaft, and the inner end of the rear clutch movable disc is abutted against the corresponding pressure spring; the excircle of back separation and reunion shifting disk has the spout of embedding back shift fork.
8. The stem leaf vegetable harvester of claim 7, wherein: the control platform at the front end of the rack is also provided with a motor advancing and steering handle.
9. The stem leaf vegetable harvester of claim 8, wherein: the engine is in transmission connection with the mechanical gearbox through a high-speed and low-speed transmission case.
10. The stem leaf vegetable harvester of claim 9, wherein: the engine under the seat is installed in the front of the frame installed on the caterpillar chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215384.7U CN209914493U (en) | 2019-02-20 | 2019-02-20 | Stem and leaf type vegetable harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215384.7U CN209914493U (en) | 2019-02-20 | 2019-02-20 | Stem and leaf type vegetable harvester |
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| Publication Number | Publication Date |
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| CN209914493U true CN209914493U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920215384.7U Withdrawn - After Issue CN209914493U (en) | 2019-02-20 | 2019-02-20 | Stem and leaf type vegetable harvester |
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| CN (1) | CN209914493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109845478A (en) * | 2019-02-20 | 2019-06-07 | 农业农村部南京农业机械化研究所 | A kind of cauline leaf class vegetable harvesting machine |
| CN112478712A (en) * | 2020-11-27 | 2021-03-12 | 江苏大学 | Orderly and continuous vegetable boxing device and method and harvester |
-
2019
- 2019-02-20 CN CN201920215384.7U patent/CN209914493U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109845478A (en) * | 2019-02-20 | 2019-06-07 | 农业农村部南京农业机械化研究所 | A kind of cauline leaf class vegetable harvesting machine |
| CN109845478B (en) * | 2019-02-20 | 2024-04-12 | 农业农村部南京农业机械化研究所 | Stem and leaf vegetable harvester |
| CN112478712A (en) * | 2020-11-27 | 2021-03-12 | 江苏大学 | Orderly and continuous vegetable boxing device and method and harvester |
| CN112478712B (en) * | 2020-11-27 | 2022-07-22 | 江苏大学 | Orderly and continuous vegetable boxing device and method and harvester |
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