阅读说明：本技术 一种能适应地形且能自由调节角度以及高度的采茶机 (Can adapt to topography and can freely angle regulation and tea-leaf picker of height ) 是由 蔡俊芹 于 2021-01-27 设计创作，主要内容包括：本发明公开了一种能适应地形且能自由调节角度以及高度的采茶机,包括机架与收集车,所述机架设有一个开口向下的第一腔体,所述第一腔体上侧内壁固定设有一个第一电机,所述第一电机下端控制有一个第一主动轴,所述第一主动轴下端固定设有一个第二锥齿轮,所述第二锥齿轮通过啮合控制有一个第一锥齿轮,所述第一锥齿轮固定设置在第一从动轴上,本发明采用履带式的行走机构使得本发明在茶地中行动时能够适应各种地形,且通过电机与气泵的配合达到采摘部件能够调整角度及高度的效果,并且在采茶结束以后收集车往回走的过程中通过凸轮机构以及过滤网的配合达到了对采下来的茶叶进行初步筛选的效果,节约了茶农的工作时间。(The invention discloses a tea plucking machine which can adapt to terrain and can freely adjust the angle and height, and the tea plucking machine comprises a frame and a collecting vehicle, wherein the frame is provided with a first cavity with a downward opening, the inner wall of the upper side of the first cavity is fixedly provided with a first motor, the lower end of the first motor is controlled with a first driving shaft, the lower end of the first driving shaft is fixedly provided with a second bevel gear, the second bevel gear is controlled with a first bevel gear through meshing, the first bevel gear is fixedly arranged on a first driven shaft, the crawler-type traveling mechanism is adopted in the invention, so that the tea plucking machine can adapt to various terrains when moving in a tea field, the effect of adjusting the angle and the height of a plucking part is achieved through the matching of the motor and an air pump, and the effect of primarily screening picked tea is achieved through the matching of a cam mechanism and a filter screen in the process that the collecting vehicle returns after the tea, the working time of tea growers is saved.)

1. The utility model provides a can adapt to topography and can freely angle regulation and tea-leaf picker of height, includes frame and collection vehicle, its characterized in that: the rack is provided with a first cavity with a downward opening, a first motor is fixedly arranged on the inner wall of the upper side of the first cavity, a first driving shaft is controlled at the lower end of the first motor, a second bevel gear is fixedly arranged at the lower end of the first driving shaft, the second bevel gear is controlled by meshing to be provided with a first bevel gear, the first bevel gear is fixedly arranged on a first driven shaft, the first driven shaft is rotatably arranged between the inner walls of the left side and the right side of the first cavity, a first driven wheel and a second driven wheel are fixedly arranged on the first driven shaft, the first driven wheel is positioned on the left side of the first bevel gear, the second driven wheel is positioned on the right side of the first bevel gear, a first crawler belt is meshed on the first driven wheel, a second crawler belt is meshed on the second driven wheel, and a lifting platform is fixedly arranged on the upper end face of the rack, a second motor is fixedly arranged on the upper end face of the lifting platform, a second driving shaft is controlled at the upper end of the second motor, a third bevel gear is fixedly arranged on the upper end face of the second driving shaft, the third bevel gear is controlled by meshing to be provided with a fourth bevel gear, the fourth bevel gear is fixedly arranged on a second driven shaft, the second driven shaft is rotatably arranged between the rear end face of the second lifting frame and the front end face of the first lifting frame, the second lifting frame and the first lifting frame are fixedly arranged on the upper end face of the lifting platform, the second lifting frame is arranged on the front side of the first lifting frame, a fifth driven wheel and a third driven wheel are also fixedly arranged on the second driven shaft, the fifth driven wheel is arranged on the front side of the third driven wheel, a sixth driven wheel is controlled by meshing with a second chain, and the sixth driven wheel is fixedly arranged on the third driven shaft, the third driven shaft is rotatably arranged between the rear end face of the second lifting frame and the front end face of the first lifting frame, the third driven shaft is positioned on the upper side of the second driven shaft, the third driven wheel is provided with a fourth driven wheel through meshing control with the first chain, the fourth driven wheel is fixedly arranged on the third driven shaft, the fourth driven wheel is positioned on the rear side of the sixth driven wheel, the right ends of the second chain and the first chain are fixedly provided with two second iron blocks and two first iron blocks, the two second iron blocks and the two first iron blocks are symmetrically distributed, a torsion mechanism is fixedly arranged between the second iron blocks and the first iron blocks, the torsion mechanism comprises an adjusting box fixedly arranged between the lower end face of the second iron block and the upper end face of the first iron block, and a fifth cavity with a right opening is arranged in the adjusting box, a fourth motor is fixedly arranged on the left side of the inner wall of the fifth cavity, the fourth motor controls a fourth driving shaft, a first connecting block is fixedly arranged at the right end of the fourth driving shaft, a second connecting block is rotatably arranged in the first connecting block, a sixth driven shaft is fixedly arranged at the right end of the second connecting block, a first shaft sleeve is fixedly arranged on the sixth driven shaft, a connecting rod is hinged and connected to the upper end of the first shaft sleeve, an air pump rod is hinged to the upper end of the connecting rod and controlled by an air pump, a limiting block is fixedly arranged on the upper end face of the air pump, the air pump slides in a sliding groove in a circular rail through the limiting block, a cutting frame is fixedly arranged on the right end face of the sixth driven shaft, a supporting plate is fixedly arranged on the lower end face of the cutting frame, and a cutting device is arranged on the right end face, the cutting device comprises a third motor fixedly arranged on the right end face of the supporting plate, a third driving shaft is controlled at the right end of the third motor, a rotary table is fixedly arranged on the third driving shaft, and a cutting knife is fixedly arranged on the right end face of the rotary table;

the collecting vehicle comprises a vehicle frame, a second cavity with an upward opening is arranged on the left side of the vehicle frame, a collecting pipe is fixedly arranged on the front end face of the cutter protecting shell, the collecting pipe is wound on a collecting column, the collecting column is fixed on the outer side of a limiting ring, the limiting ring rotates on the lower side of the inner wall of the second cavity, a fourth cavity is further arranged on the lower side of the second cavity, a seventh driven shaft is rotatably arranged between the inner walls of the front side and the rear side of the fourth cavity, a fifth bevel gear is fixedly arranged on the seventh driven shaft, a sixth bevel gear is controlled on the upper side of the fifth bevel gear through meshing, the sixth bevel gear is fixedly arranged at the lower end of an eighth driven shaft, a seventh bevel gear is fixedly arranged at the upper end of the eighth driven shaft, an eighth bevel gear is controlled on the upper side of the seventh bevel gear through meshing, and the eighth bevel gear is fixedly arranged on, the ninth driven shaft is fixedly provided with a cam, the cam is located on the right side of the eighth bevel gear, a seventh driven wheel is arranged on the upper side of the cam, the seventh driven wheel is rotatably arranged at the left end of a second fixing frame, the second fixing frame is fixed on a fixing plate, a third cavity with an upward opening is further arranged on the right side of the collecting vehicle, a second filter screen is arranged between the inner walls of the left side and the right side of the third cavity, a first filter screen is arranged on the upper side of the second filter screen, a rubber block is fixedly arranged at each of the left end and the right end of the first filter screen, and the fixing plate is located on the upper end face of the rubber block.

2. The tea-leaf picker capable of adapting to terrain and freely adjusting angle and height according to claim 1, wherein: and the upper end surface of the cutting frame is provided with a laser position finder.

3. The tea-leaf picker capable of adapting to terrain and freely adjusting angle and height according to claim 1, wherein: and the left end face of the frame is also fixedly provided with a machine placing rack.

4. The tea-leaf picker capable of adapting to terrain and freely adjusting angle and height according to claim 1, wherein: the inner wall of the lower side of the second cavity is fixedly provided with a limiting shaft, and the limiting shaft is provided with the limiting ring through a torsional spring in a rotating manner.

5. The tea-leaf picker capable of adapting to terrain and freely adjusting angle and height according to claim 1, wherein: the eighth driven shaft is rotatably arranged on a second shaft sleeve, the second shaft sleeve is positioned between the seventh bevel gear and the sixth bevel gear, a fixed rod is fixedly arranged on the second shaft sleeve, and the left end of the fixed rod is fixedly arranged on the inner wall of the left side of the fourth cavity.

6. The tea-leaf picker capable of adapting to terrain and freely adjusting angle and height according to claim 1, wherein: and the front end and the rear end of the seventh driven shaft are respectively fixedly provided with a wheel, the two wheels are positioned in the external space of the frame, the lower end surface of the frame is also fixedly provided with a universal wheel, and the universal wheel is positioned on the right side of the wheel.

Technical Field

The invention relates to the field of tea plucking machines, in particular to a tea plucking machine which can adapt to terrain and can freely adjust the angle and height.

Background

The picking of tea leaves belongs to labor intensive operation. Mainly adopt the machine to cut the tea tree treetop, if the operation is skilled, the management of rich water keeps up with, and the machinery is picked tea and is promoted tea tree growth and development and the output of tealeaves, but also can reduce the labour of picking tea to reduction in production cost improves economic benefits. Therefore, in recent years, mechanical tea plucking is more and more favored by tea growers, and the area of a mechanical tea plucking garden is enlarged year by year. No matter single formula tea-leaf picker or double formula tea-leaf picker because the machinist is heavy burden the operation, can not accomplish to adjust in real time along with the growing trend of tea tree after long-time work. The tea garden is generally arranged in the south of the Yangtze river, the rainwater weather is more, and the risk of skidding is caused if the tea garden is picked in the mountainous region after rain.

Disclosure of Invention

The invention aims to solve the technical problem of providing a tea-leaf picker which can adapt to terrain and can freely adjust the angle and height, and overcomes the situation.

The invention is realized by the following technical scheme.

The invention relates to a tea plucking machine capable of adapting to terrain and freely adjusting angle and height, which comprises a frame and a collecting vehicle, wherein the frame is provided with a first cavity with a downward opening, a first motor is fixedly arranged on the inner wall of the upper side of the first cavity, the lower end of the first motor is controlled by a first driving shaft, the lower end of the first driving shaft is fixedly provided with a second bevel gear, the second bevel gear is controlled by meshing with a first bevel gear, the first bevel gear is fixedly arranged on a first driven shaft, the first driven shaft is rotatably arranged between the inner walls of the left side and the right side of the first cavity, the first driven shaft is fixedly provided with a first driven wheel and a second driven wheel, the first driven wheel is positioned on the left side of the first bevel gear, the second driven wheel is positioned on the right side of the first bevel gear, and a first crawler belt is meshed with the first driven wheel, a second crawler belt is meshed on the second driven wheel, a lifting platform is fixedly arranged on the upper end face of the rack, a second motor is fixedly arranged on the upper end face of the lifting platform, a second driving shaft is controlled at the upper end of the second motor, a third bevel gear is fixedly arranged on the upper end face of the second driving shaft, a fourth bevel gear is controlled by meshing the third bevel gear, the fourth bevel gear is fixedly arranged on a second driven shaft, the second driven shaft is rotatably arranged between the rear end face of the second lifting frame and the front end face of the first lifting frame, the second lifting frame and the first lifting frame are fixedly arranged on the upper end face of the lifting platform, the second lifting frame is positioned on the front side of the first lifting frame, a fifth driven wheel and a third driven wheel are also fixedly arranged on the second driven shaft, and the fifth driven wheel is positioned on the front side of the third driven wheel, the fifth driven wheel is controlled to be provided with a sixth driven wheel through the engagement with the second chain, the sixth driven wheel is fixedly arranged on a third driven shaft, the third driven shaft is rotatably arranged between the rear end face of the second lifting frame and the front end face of the first lifting frame, the third driven shaft is positioned on the upper side of the second driven shaft, the third driven wheel is controlled to be provided with a fourth driven wheel through the engagement with the first chain, the fourth driven wheel is fixedly arranged on the third driven shaft, the fourth driven wheel is positioned on the rear side of the sixth driven wheel, the right ends of the second chain and the first chain are fixedly provided with two second iron blocks and two first iron blocks, the two second iron blocks and the two first iron blocks are symmetrically distributed, a torsion mechanism is fixedly arranged between the second iron blocks and the first iron blocks, and the torsion mechanism comprises an adjusting box fixedly arranged between the lower end face of the second iron blocks and the upper end face of the first iron blocks, a fifth cavity with a right opening is arranged in the adjusting box, a fourth motor is fixedly arranged on the left side of the inner wall of the fifth cavity, the fourth motor controls a fourth driving shaft, a first connecting block is fixedly arranged at the right end of the fourth driving shaft, a second connecting block is rotatably arranged in the first connecting block, a sixth driven shaft is fixedly arranged at the right end of the second connecting block, a first shaft sleeve is fixedly arranged on the sixth driven shaft, a connecting rod is hinged and connected to the upper end of the first shaft sleeve, an air pump rod is hinged and connected to the upper end of the connecting rod, the air pump rod is controlled by an air pump, a limiting block is fixedly arranged on the upper end face of the air pump, the air pump slides in a sliding groove on the circular rail through the limiting block, a cutting frame is fixedly arranged on the right end face of the sixth driven shaft, and a supporting plate is fixedly arranged on, the right end face of the supporting plate is provided with a cutting device, the cutting device comprises a third motor fixedly arranged on the right end face of the supporting plate, the right end of the third motor controls a third driving shaft, a turntable is fixedly arranged on the third driving shaft, and a cutting knife is fixedly arranged on the right end face of the turntable;

the collecting vehicle comprises a vehicle frame, a second cavity with an upward opening is arranged on the left side of the vehicle frame, a collecting pipe is fixedly arranged on the front end face of the cutter protecting shell, the collecting pipe is wound on a collecting column, the collecting column is fixed on the outer side of a limiting ring, the limiting ring rotates on the lower side of the inner wall of the second cavity, a fourth cavity is further arranged on the lower side of the second cavity, a seventh driven shaft is rotatably arranged between the inner walls of the front side and the rear side of the fourth cavity, a fifth bevel gear is fixedly arranged on the seventh driven shaft, a sixth bevel gear is controlled on the upper side of the fifth bevel gear through meshing, the sixth bevel gear is fixedly arranged at the lower end of an eighth driven shaft, a seventh bevel gear is fixedly arranged at the upper end of the eighth driven shaft, an eighth bevel gear is controlled on the upper side of the seventh bevel gear through meshing, and the eighth bevel gear is fixedly arranged on, the ninth driven shaft is fixedly provided with a cam, the cam is located on the right side of the eighth bevel gear, a seventh driven wheel is arranged on the upper side of the cam, the seventh driven wheel is rotatably arranged at the left end of a second fixing frame, the second fixing frame is fixed on a fixing plate, a third cavity with an upward opening is further arranged on the right side of the collecting vehicle, a second filter screen is arranged between the inner walls of the left side and the right side of the third cavity, a first filter screen is arranged on the upper side of the second filter screen, a rubber block is fixedly arranged at each of the left end and the right end of the first filter screen, and the fixing plate is located on the upper end face of the rubber block.

Preferably, the upper end face of the cutting frame is provided with a laser position finder.

Preferably, a machine placing frame is further fixedly arranged on the left end face of the frame.

Preferably, the inner wall of the lower side of the second cavity is fixedly provided with a limiting shaft, and the limiting shaft is provided with the limiting ring through a torsion spring in a rotating manner.

Preferably, the eighth driven shaft is rotatably disposed on a second shaft sleeve, the second shaft sleeve is located between the seventh bevel gear and the sixth bevel gear, a fixing rod is fixedly disposed on the second shaft sleeve, and the left end of the fixing rod is fixedly disposed on the inner wall of the left side of the fourth cavity.

Preferably, a wheel is fixedly arranged at each of the front end and the rear end of the seventh driven shaft, the two wheels are located in the outer space of the frame, a universal wheel is further fixedly arranged on the lower end face of the frame, and the universal wheel is located on the right side of the wheel.

The invention has the beneficial effects that: the crawler-type traveling mechanism is adopted, so that the tea plucking machine can adapt to various terrains when moving in a tea field, the effect of adjusting the angle and the height of the plucking part is achieved through the matching of the motor and the air pump, the effect of primarily screening the plucked tea is achieved through the matching of the cam mechanism and the filter screen in the process that the collecting vehicle returns after the tea plucking is finished, and the working time of tea farmers is saved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention in the direction of A-A in FIG. 1;

FIG. 3 is an enlarged view of the embodiment of the present invention in the direction B of FIG. 1;

FIG. 4 is a schematic view of the embodiment of the present invention in the direction of C-C in FIG. 1;

FIG. 5 is a schematic view of the embodiment of the present invention in the direction D-D in FIG. 3;

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The tea plucking machine capable of adapting to terrain and freely adjusting angle and height, which is described in conjunction with fig. 1-5, includes a frame 13 and a collecting cart 102, the frame 13 is provided with a first cavity 57 with a downward opening, a first motor 19 is fixedly arranged on the inner wall of the upper side of the first cavity 57, a first driving shaft 18 is controlled by the lower end of the first motor 19, a second bevel gear 17 is fixedly arranged on the lower end of the first driving shaft 18, a first bevel gear 16 is controlled by the second bevel gear 17 through meshing, the first bevel gear 16 is fixedly arranged on a first driven shaft 12, the first driven shaft 12 is rotatably arranged between the inner walls of the left and right sides of the first cavity 57, a first driven wheel 11 and a second driven wheel 15 are fixedly arranged on the first driven shaft 12, the first driven wheel 11 is positioned on the left side of the first bevel gear 16, the second driven wheel 15 is located at the right side of the first bevel gear 16, the first driven wheel 11 is engaged with the first crawler 10, the second driven wheel 15 is engaged with the second crawler 14, the upper end surface of the frame 13 is fixedly provided with a lifting platform 20, the upper end surface of the lifting platform 20 is fixedly provided with a second motor 21, the upper end of the second motor 21 is controlled by a second driving shaft 22, the upper end surface of the second driving shaft 22 is fixedly provided with a third bevel gear 23, the third bevel gear 23 is controlled by engagement by a fourth bevel gear 25, the fourth bevel gear 25 is fixedly arranged on a second driven shaft 24, the second driven shaft 24 is rotatably arranged between the rear end surface of the second lifting frame 84 and the front end surface of the first lifting frame 28, the second lifting frame 84 and the first lifting frame 28 are fixedly arranged on the upper end surface of the lifting platform 20, and the second lifting frame 84 is located at the front side of the first lifting frame 28, a fifth driven wheel 41 and a third driven wheel 26 are further fixedly arranged on the second driven shaft 24, the fifth driven wheel 41 is positioned on the front side of the third driven wheel 26, the fifth driven wheel 41 is controlled by a sixth driven wheel 55 through meshing with a second chain 56, the sixth driven wheel 55 is fixedly arranged on the third driven shaft 30, the third driven shaft 30 is rotatably arranged between the rear end face of the second lifting frame 84 and the front end face of the first lifting frame 28, the third driven shaft 30 is positioned on the upper side of the second driven shaft 24, the third driven wheel 26 is controlled by meshing with the first chain 27 to be provided with a fourth driven wheel 29, the fourth driven wheel 29 is fixedly arranged on the third driven shaft 30, the fourth driven wheel 29 is positioned on the rear side of the sixth driven wheel 55, two second iron blocks 51 and two first iron blocks 44 are fixedly arranged at the right ends of the second chain 56 and the first chain 27, the two second iron blocks 51 and the two first iron blocks 44 are symmetrically distributed, a torsion mechanism 101 is fixedly arranged between the second iron blocks 51 and the first iron blocks 44, the torsion mechanism 101 comprises an adjusting box 42 fixedly arranged between the lower end face of the second iron block 51 and the upper end face of the first iron block 44, a fifth cavity 85 with a right opening is arranged in the adjusting box 42, a fourth motor 43 is fixedly arranged on the left side of the inner wall of the fifth cavity 85, the fourth motor 43 controls a fourth driving shaft 45, a first connecting block 46 is fixedly arranged at the right end of the fourth driving shaft 45, a second connecting block 47 is rotatably arranged in the first connecting block 46, a sixth driven shaft 54 is fixedly arranged at the right end of the second connecting block 47, a first shaft sleeve 53 is fixedly arranged on the sixth driven shaft 54, and a connecting rod 91 is hinged and connected to the upper end of the first shaft sleeve 53, the upper end of the connecting rod 91 is hinged with an air pump rod 86, the air pump rod 86 is controlled by an air pump 48, the upper end face of the air pump 48 is fixedly provided with a limiting block 52, the air pump 48 slides in a sliding groove 50 on the circular rail 49 through the limiting block 52, the right end face of the sixth driven shaft 54 is fixedly provided with a cutting frame 31, the lower end face of the cutting frame 31 is fixedly provided with a supporting plate 32, the right end face of the supporting plate 32 is provided with a cutting device 103, the cutting device 103 comprises a third motor 33 fixedly arranged on the right end face of the supporting plate 32, the right end of the third motor 33 is controlled with a third driving shaft 87, the third driving shaft 87 is fixedly provided with a turntable 35, and the right end face of the turntable 35 is fixedly provided with a cutting knife;

the collecting vehicle 102 comprises a vehicle frame 88, a second cavity 59 with an upward opening is arranged on the left side of the vehicle frame 88, a collecting pipe 60 is fixedly arranged on the front end surface of the tool protecting shell 36, the collecting pipe 60 is wound on a collecting column 61, the collecting column 61 is fixed on the outer side of a limiting ring 62, the limiting ring 62 rotates on the lower side of the inner wall of the second cavity 59, a fourth cavity 71 is further arranged on the lower side of the second cavity 59, a seventh driven shaft 73 is rotatably arranged between the inner walls of the front side and the rear side of the fourth cavity 71, a fifth bevel gear 72 is fixedly arranged on the seventh driven shaft 73, a sixth bevel gear 74 is controlled on the upper side of the fifth bevel gear 72 through meshing, the sixth bevel gear 74 is fixedly arranged at the lower end of an eighth driven shaft 77, a seventh bevel gear 78 is fixedly arranged on the upper end of the eighth driven shaft 77, and an eighth bevel gear 79 is controlled on the upper side of the seventh, the eighth bevel gear 79 is fixedly arranged on the left end face of a ninth driven shaft 80, a cam 81 is further fixedly arranged on the ninth driven shaft 80, the cam 81 is located on the right side of the eighth bevel gear 79, a seventh driven wheel 82 is arranged on the upper side of the cam 81, the seventh driven wheel 82 is rotatably arranged at the left end of a second fixing frame 83, the second fixing frame 83 is fixed on a fixing plate 90, a third cavity 65 with an upward opening is further arranged on the right side of the collecting vehicle 102, a second filter screen 68 is arranged between the inner walls of the left side and the right side of the third cavity 65, a first filter screen 67 is arranged on the upper side of the second filter screen 68, a rubber block 66 is fixedly arranged at each of the left end and the right end of the first filter screen 67, and the fixing plate 90 is located on the upper end face of the rubber;

advantageously, the upper end face of the cutting frame 31 is provided with a laser position finder 89;

advantageously, a machine placing frame 58 is fixedly arranged on the left end face of the frame 88;

beneficially, a limiting shaft 64 is fixedly arranged on the inner wall of the lower side of the second cavity 59, and the limiting ring 62 is rotatably arranged on the limiting shaft 64 through a torsion spring 63;

advantageously, the eighth driven shaft 77 is rotatably disposed on a second shaft sleeve 76, the second shaft sleeve 76 is located between the seventh bevel gear 78 and the sixth bevel gear 74, a fixing rod 75 is fixedly disposed on the second shaft sleeve 76, and the left end of the fixing rod 75 is fixedly disposed on the left inner wall of the fourth cavity 71;

advantageously, a wheel 70 is fixedly arranged at each of the front end and the rear end of the seventh driven shaft 73, the two wheels 70 are located in the space outside the frame 88, a universal wheel 69 is further fixedly arranged on the lower end surface of the frame 88, and the universal wheel 69 is located on the right side of the wheel 70.

In the initial state, the torsion mechanism 101 is located at the lower limit.

Moving the present invention to a designated position, the second motor 21 is started, the second motor 21 controls the second driving shaft 22 to rotate, the second driving shaft 22 rotates to drive the third bevel gear 23 to rotate, the third bevel gear 23 drives the fourth bevel gear 25 to rotate through meshing, the fourth bevel gear 25 drives the second driven shaft 24 to rotate, the second driven shaft 24 rotates to drive the fifth driven wheel 41 and the third driven wheel 26 to rotate, the fifth driven wheel 41 and the third driven wheel 26 drive the sixth driven wheel 55 and the fourth driven wheel 29 to rotate through meshing with the second chain 56 and the first chain 27, so that the torsion mechanism 101 moves upwards to the upper limit, the second motor 21 stops working, then the first motor 19 and the third motor 33 are started, the third motor 33 controls the cutting device 103 to start, the first motor 19 controls the first driving shaft 18 to rotate, the first driving shaft 18 rotates to drive the second bevel gear 17 to rotate, the second bevel gear 17 drives the first bevel gear 16 to rotate through meshing, the first bevel gear 16 rotates to drive the first driven shaft 12 to rotate, the first driven shaft 12 rotates to drive the first driven wheel 11 and the second driven wheel 15 to rotate, the first driven wheel 11 and the second driven wheel 15 drive the invention to move backwards through meshing with the first crawler belt 10 and the second crawler belt 14, the laser position finder 89 is started during the movement, the laser position finder 89 controls the second motor 21 to rotate reversely after detecting the height of the tea trees, the second motor 21 controls the second driving shaft 22 to rotate, and the second driving shaft 22 rotates to drive the third bevel gear 23 to rotate, the third bevel gear 23 drives the fourth bevel gear 25 to rotate through meshing, the fourth bevel gear 25 drives the second driven shaft 24 to rotate, the second driven shaft 24 drives the fifth driven wheel 41 and the third driven wheel 26 to rotate, the fifth driven wheel 41 and the third driven wheel 26 drive the sixth driven wheel 55 and the fourth driven wheel 29 to rotate through meshing with the second chain 56 and the first chain 27, so that the twisting mechanism 101 moves downwards to a designated height, when the laser position finder 89 detects that the tea tree growth vigor needs to be adjusted by the angle of the twisting mechanism 101 for cutting, the fourth motor 43 is started, the fourth motor 43 controls to raise the fourth driving shaft 45 to rotate, the fourth driving shaft 45 rotates to drive the first connecting block 46 to rotate, and the first connecting block 46 rotates to drive the second connecting block 47 to rotate, the second connecting block 47 rotates to drive the sixth driven shaft 54 to rotate, the sixth driven shaft 54 rotates to drive the cutting frame 31 to rotate, the cutting frame 31 rotates to drive the third motor 33 to rotate, the third motor 33 rotates to drive the cutting device 103 to rotate, so as to adjust the angle, or when the angle needs to be adjusted, the air pump 48 is started, the air pump 48 controls the air pump rod 86 to ascend or descend so as to drive the second connecting block 47 to deflect upwards or downwards, the second connecting block 47 deflects to drive the sixth driven shaft 54 to deflect, the sixth driven shaft 54 deflects to drive the cutting frame 31 to deflect, the cutting frame 31 deflects to drive the cutting device 103 to deflect, so as to adjust the angle, of course, the fourth motor 43 and the air pump 48 can also be activated simultaneously to adjust the angle of the cutting device 103.

When the tea leaf collecting device moves to the tail end of a tea field, the third motor 33 stops working, all other power sources move in reverse directions, so that the tea leaf collecting device moves back to the initial position, the second motor 21 controls the torsion mechanism 101 to move upwards to the upper limit, a tea grower pushes the collecting vehicle 102 to move leftwards so that a groove between the left end surface of the collecting vehicle 102 and the machine placing frame 58 is positioned right below the supporting plate 32, the second motor 21 rotates reversely so that the torsion mechanism 101 moves to the lower limit, the tea leaf collecting device is hung in the groove between the left end surface of the collecting vehicle 102 and the machine placing frame 58, on the way that the tea grower pushes the tea leaf collecting device back to the home, the collecting pipe 60 is wound on the collecting column 61 through the action of the torsion spring 63, tea leaves in the collecting pipe 60 fall onto the first filter screen 67 through the tail end of the collecting pipe 60, during the process of moving back, the two wheels 70 of the collecting vehicle 102 rotate to drive the seventh driven shaft 73 to rotate, the seventh driven shaft 73 rotates to drive the fifth bevel gear 72 to rotate, the fifth bevel gear 72 rotates to drive the sixth bevel gear 74 to rotate through meshing, the sixth bevel gear 74 rotates to drive the second shaft sleeve 76 to rotate, the second shaft sleeve 76 rotates to drive the seventh bevel gear 78 to rotate, the seventh bevel gear 78 rotates and meshes to drive the eighth bevel gear 79 to rotate, the eighth bevel gear 79 rotates to drive the ninth driven shaft 80 to rotate, the ninth driven shaft 80 rotates to drive the cam 81 to rotate, the cam 81 rotates to enable the seventh driven wheel 82 to move up and down on the cam 81, the cam 81 moves up and down to drive the second fixing frame 83 to move up and down, and the second fixing frame 83 moves up and down to drive the first filter screen 67 to move up and down, thereby achieving the screening effect.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.