CN220342897U - Tobacco harvester with purely mechanical tobacco harvesting device - Google Patents
Tobacco harvester with purely mechanical tobacco harvesting device Download PDFInfo
- Publication number
- CN220342897U CN220342897U CN202321875946.3U CN202321875946U CN220342897U CN 220342897 U CN220342897 U CN 220342897U CN 202321875946 U CN202321875946 U CN 202321875946U CN 220342897 U CN220342897 U CN 220342897U
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- tobacco
- frame
- belt
- engine
- purely mechanical
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 92
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 92
- 238000003306 harvesting Methods 0.000 title claims abstract description 38
- 238000005452 bending Methods 0.000 claims description 25
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract description 6
- 238000010009 beating Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model discloses a tobacco harvester with a purely mechanical tobacco harvesting device, which comprises a frame, a diesel engine, a hydraulic pump and an engine, wherein the diesel engine, the hydraulic pump and the engine are connected with the frame, a rear wheel and a cab are arranged on the frame, a speed reducer connected with the engine is arranged on the frame, a tobacco conveying belt is also arranged on the frame, the tobacco conveying belt is connected with the speed reducer through a chain wheel, a tobacco collecting box is arranged on the frame at the topmost end of the tobacco conveying belt, the engine is connected with the rear wheel through a gearbox, and the purely mechanical tobacco harvesting device is arranged below a top plate of the frame. The utility model can solve the damage of beating type harvesting to tobacco leaves, can directly cut from tobacco leaf stems, protects the integrity of the tobacco leaves, and the annular knife can adjust the angle and replace according to the requirements so as to realize harvesting of the tobacco leaves in different periods.
Description
Technical Field
The utility model relates to agricultural machinery, in particular to a tobacco harvester which utilizes a crank block mechanism and a spring to stretch and control a blade to move on a certain track and is provided with a purely mechanical tobacco harvesting device.
Background
The tobacco leaves are the largest tobacco leaf producing countries in the world, flue-cured tobacco is mainly used, tobacco leaves are mature from bottom to top along stems from 7 months, if the tobacco leaves are not harvested in time, the tobacco leaves are easy to infect viruses, and accordingly wilting and falling off are started, and therefore it is important to harvest the mature tobacco leaves in time. The traditional mechanized tobacco leaf collecting mode mainly utilizes a beating machine to collect, so that not only is the efficiency low, but also the collected tobacco leaves are easy to damage, and the quality of the tobacco leaves is reduced.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide a tobacco harvester with a purely mechanical tobacco harvesting device by utilizing a crank-slider mechanism.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the tobacco harvester comprises a frame, a diesel engine, a hydraulic pump and an engine, wherein the diesel engine, the hydraulic pump and the engine are connected with the frame, a rear wheel and a cab are arranged on the frame, a speed reducer connected with the engine is arranged on the frame, a tobacco conveying belt is further arranged on the frame, the tobacco conveying belt is connected with the speed reducer through a chain wheel, a tobacco collecting box is arranged on the frame at the topmost end of the tobacco conveying belt, the engine is connected with the rear wheel through a gearbox, the purely mechanical tobacco harvesting device is arranged below a top plate of the frame, the purely mechanical tobacco harvesting device comprises a crank, two connecting rods hinged with the crank, two bending guide rails and two spherical sliding blocks respectively positioned in the bending guide rails, one end of each spherical sliding block is fixedly connected with an annular cutter, the other end of each guide rod is fixedly connected with a spring baffle, and the other end of each spring is fixedly connected with one end of each connecting rod; four vertical fixing rods are arranged below a top plate of the frame, the four fixing rods are respectively positioned on four corners of a rectangle, a crank is arranged on two fixing rods positioned at the rear part of the frame through two rolling bearings, a motor is arranged on one of the two fixing rods, a pinion is arranged on an output shaft of the motor, a large gear meshed with the pinion is arranged in the middle of the crank, a height adjusting rod is respectively arranged on the two fixing rods at the left side and the right side of the frame and controlled by a winding drum arranged on the fixing rods, and two bending guide rails are respectively arranged on the height adjusting rod.
The two bending guide rails are in a symmetrical state, the middle part of each bending guide rail is a straight line part, the two ends of the straight line part are connected with the bending parts in the symmetrical state, and the horizontal distance between the straight line parts of the two bending guide rails is smaller than the horizontal distance between the bending parts of the two bending guide rails.
The angle of the bending guide rail is 20-30 degrees.
Two fixing rods on the left side and the right side of the frame are respectively provided with a leaf protection device, one side of the leaf protection device is provided with a belt, the front fixing rod and the rear fixing rod are provided with motors, the belt is driven by the motors to work, the two fixing rods on the left side and the right side of the frame are respectively provided with a guide device, and the guide devices and the belt are positioned below the leaf protection device.
The guide device is a device similar to an equilateral trapezoid and composed of round rods, one side with the longest side length is horizontally arranged on the fixed rod, the shape of the belt is similar to a rectangle, the belt is arranged on the fixed rod at an inclined angle of 30 degrees, one side of the belt is provided with a leaf protection device similar to a right triangle, and the belt and the leaf protection device are arranged below the guide device.
Compared with the prior art, the tobacco leaf harvesting machine has the technical effects that the damage to tobacco leaves caused by beating type harvesting can be solved, the tobacco leaves can be directly cut from the tobacco leaf stems, the integrity of the tobacco leaves is protected, and the annular knife can adjust the angle and replace according to the requirements, so that the harvesting of the tobacco leaves in different periods is realized.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic installation view of the tobacco harvesting apparatus.
Fig. 3 is a left and right side elevation view of a purely mechanical tobacco harvesting apparatus.
Fig. 4 is a front view of a purely mechanical tobacco harvesting device.
Fig. 5 is a diagram showing a connection mode of the spring.
Fig. 6 is a schematic view of the structure of the curved guide rail.
Fig. 7 is a schematic structural view of the annular knife.
In the above figures: 1, a tobacco leaf collecting box 2; tobacco leaf conveyor belt, 3; a decelerator 4; a frame top plate 5; a purely mechanical tobacco harvesting device 6; a rear wheel 7; a diesel engine 8; an engine 9; a hydraulic pump 10; a cab, 11; a height adjusting lever 12; a crank 13; a connecting rod, 14; a circular knife 15; a spherical slider 16; a curved guide rail 17; a spring 18; a spring baffle 19; a motor 20; pinion gear, 21; a rolling bearing 22; a large gear, 23; a motor 24; a fixing rod 25; a spool 26; a guide device 27; a belt, 28; leaf protection device.
Detailed Description
The tobacco harvester comprises a frame, a diesel engine 7, a hydraulic pump 9 and an engine 8, wherein the diesel engine 7, the hydraulic pump 9 and the engine 8 are connected with the frame, a rear wheel 6 and a cab 10 are arranged on the frame, a speed reducer 3 connected with the engine 8 is arranged on the frame, a tobacco conveying belt 2 is further arranged on the frame, the tobacco conveying belt 2 is connected with the speed reducer 3 through a chain wheel, a tobacco collecting box 1 is arranged on the frame at the topmost end of the tobacco conveying belt 2, the engine 8 is connected with the rear wheel 6 through a gearbox, the vehicle is controlled to advance, a pure mechanical tobacco harvesting device 5 is arranged below a frame top plate 4, the pure mechanical tobacco harvesting device 5 comprises a crank 12, two connecting rods 13 hinged with the crank 12, two curved guide rails 16 and two spherical sliding blocks 15 respectively positioned in the curved guide rails 16, a guide rod penetrating through the spherical center of the spherical sliding blocks is arranged on each spherical sliding block, one end of the guide rod is fixedly connected with a circular knife 14, the other end of the guide rod is fixedly connected with a spring baffle 18, the spring baffle 18 is fixedly connected with one end of the spring 17, and the other end of the spring 17 is fixedly connected with one end of the connecting rod 13. As shown in fig. 2, four vertical fixing rods 23 are installed below the frame top plate 4, the four fixing rods are respectively located at four corners of a rectangle, a crank 12 is installed on two fixing rods 23 located at the rear part of the frame through two rolling bearings 21, a motor 19 is installed on one of the two fixing rods 23, a pinion 20 is installed on an output shaft of the motor 19, a large gear 22 meshed with the pinion 20 is installed in the middle of the crank 12, a height adjusting rod 11 is installed on each of the two fixing rods at the left side and the right side of the frame, and two curved guide rails 16 are installed on each of the height adjusting rods 11. The crank 12 is controlled to move by the motor 19 through gear transmission, power is output to the crank 12 through a transmission system, the crank 12 moves in a whole circle, the spherical sliding block 15 is driven to move up and down through the connecting rod 13, at the moment, the spherical sliding block 15 is limited in the bending track 16 and cannot move horizontally, but the spring 17 enables the spring baffle plate to move horizontally, meanwhile, the spring baffle plate 18 is connected with the spherical sliding block 15, when the spherical sliding block 15 is positioned at the straight line part of the bending track 16, the spring is in a stretching state, and when the spherical sliding block 15 is positioned at the bending part of the bending track 16, the spring is in an original length, so that the spherical sliding block 15 can be driven to move in the bending track by the crank 12, and meanwhile, the spherical sliding block 15 is connected with the annular knife 14, so that the blade can be controlled to move up and down and simultaneously move in an opening and closing mode. The left and right fixing rods of the frame are respectively provided with a leaf protection device 28 and a belt 27, the left and right fixing rods of the frame are respectively provided with a guide device 26, the guide device 26 is an equilateral trapezoid-like device consisting of round rods, the longest side of the guide device is horizontally arranged on the fixing rod 24, the belt 27 is similar to a rectangle in shape and is arranged on the fixing rod at an inclined angle of 30 degrees, the motor 23 arranged on the fixing rod drives the belt to work, one side of the belt is provided with a leaf protection device 28 similar to a right triangle in shape, and the belt 27 and the leaf protection device 28 are arranged below the guide device 26.
As shown in fig. 4 and 6, the two curved guide rails 16 are symmetrical, the middle part of each curved guide rail is a straight line part, two ends of the straight line part are connected with the curved parts in the symmetrical state, and the horizontal distance between the straight line parts of the two curved guide rails 16 is smaller than the horizontal distance between the curved parts of the two curved guide rails. When the purely mechanical tobacco harvesting device is integrally matched with a tobacco harvester, the bent guide rail 16 is inclined at a certain angle, and the inclination direction is opposite to the integral advancing direction, so that the speed of the blade and the advancing speed of the machine can be counteracted when the blade is used for harvesting, and zero-speed harvesting is realized. The angle of inclination depends on the ratio of the blade vertical cutting speed to the machine travel speed, the angle of inclination of the curved guide rail 16 being 20-30 °.
As shown in fig. 7, the annular knife 14 and the spherical slider 15 are connected and fixed in a bolt manner, and the fixing manner not only can be adjusted in angle according to the requirement, but also can be replaced when the blade is damaged.
The working method of the utility model is as follows:
the first stage, the height adjusting rod 11 is adjusted to enable the tobacco harvesting device 5 to reach a proper position, the machine is started, the vehicle starts to walk, and the tobacco harvesting device 5 and the tobacco conveying belt 2 start to work;
in the second stage, along with the operation of the tobacco harvesting device 5, the crank 12 starts to rotate, the crank 12 drives the spherical sliding blocks 15 to move in the curved track 16 while rotating, when the spherical sliding blocks 15 move from the lowest part of the curved track 16 to the position where the curved part of the curved track 16 is combined with the straight line part, the distance between the two spherical sliding blocks 15 gradually becomes smaller, at the moment, the annular cutters 14 connected with the two spherical sliding blocks 15 are gradually closed from being opened, and tobacco seedling stalks can gradually enter the centers of the two annular cutters 14 in the process;
in the third stage, along with the continued rotation of the crank 12, the spherical sliding block 15 starts to move from bottom to top at the linear part of the curved track 16, and at this time, the two annular cutters 14 are always closed and move from bottom to top along the tobacco seedling stems, so as to cut tobacco leaves;
the fourth stage, the crank 12 continues to rotate, at this time, the spherical sliding block 15 starts to transition from the straight line part of the curved track 16 to the curved part of the upper part, and finally reaches the top of the curved track 16, in the process, the two annular cutters 14 start to separate gradually, at this time, the tobacco stalks will come out from the gap between the two separated annular cutters 14, which means that the tobacco harvesting of the tobacco seedlings is completed;
and in the fifth stage, the crank 12 continues to rotate, at this time, the spherical sliding block 15 starts to move downwards from the highest position of the curved track 16, moves from the highest point of the curved track 16 to the joint position of the curved part and the straight line part of the upper part, and then the working mode similar to the working mode in the second stage, the third stage and the fourth stage is carried out, and only the working mode is changed from bottom to top to bottom, so that the harvesting of the tobacco leaves of the next plant is realized.
The machine continues to advance, the annular cutter 14 moves from bottom to top to collect tobacco leaves, and the annular cutter 14 moves from top to bottom to collect tobacco leaves, so that the machine is circulated, and the tobacco leaves in the whole tobacco field are collected.
The utility model relates to a tobacco leaf harvesting project, which solves a series of problems of low efficiency of beating type harvesting, easiness in damaging tobacco leaves and the like, and utilizes a specific track to be matched with a spring to control an annular knife to simultaneously perform up-down and opening-closing movements, and the knife blade can be adjusted in angle and replaced according to requirements. The utility model can be promoted to greatly improve the tobacco harvesting efficiency and obtain the tobacco with better quality.
Claims (5)
1. The utility model provides a tobacco leaf harvester of pure mechanical tobacco leaf harvesting apparatus is equipped with, including the frame, diesel engine (7) that link to each other with the frame, hydraulic pump (9) and engine (8), be equipped with rear wheel (6) and driver's cabin (10) on the frame, be equipped with on the frame with engine (8) continuous reduction gear (3), still be equipped with tobacco leaf conveyer belt (2) on the frame, tobacco leaf conveyer belt (2) link to each other with reduction gear (3) through the sprocket, tobacco leaf collecting box (1) are equipped with on the frame on tobacco leaf conveyer belt (2) topmost, engine (8) link to each other with rear wheel (6) through the gearbox, its characterized in that: the device comprises a frame top plate (4), a purely mechanical tobacco harvesting device (5), wherein the purely mechanical tobacco harvesting device (5) comprises a crank (12), two connecting rods (13) hinged with the crank (12), two bending guide rails (16) and two spherical sliding blocks (15) respectively positioned in the bending guide rails (16), a guide rod penetrating through the center of each spherical sliding block is arranged on each spherical sliding block, one end of each guide rod is fixedly connected with an annular cutter (14), the other end of each guide rod is fixedly connected with a spring baffle (18), the spring baffle (18) is fixedly connected with one end of a spring (17), and the other end of the spring (17) is fixedly connected with one end of the connecting rod (13); four vertical fixing rods (24) are arranged below a frame top plate (4), the four fixing rods are respectively positioned at four corners of a rectangle, a crank (12) is arranged on the two fixing rods (24) positioned at the rear part of the frame through two rolling bearings (21), a motor (19) is arranged on one of the two fixing rods (24), a pinion (20) is arranged on an output shaft of the motor (19), a large gear (22) meshed with the pinion (20) is arranged in the middle of the crank (12), a height adjusting rod (11) is respectively arranged on the two fixing rods at the left side and the right side of the frame, and two bending guide rails (16) are respectively arranged on the height adjusting rod (11) under the control of a winding drum (25) arranged on the fixing rods.
2. The tobacco harvester with a purely mechanical tobacco harvesting device of claim 1, wherein: the two bending guide rails (16) are in a symmetrical state, the middle part of each bending guide rail is a straight line part, the two ends of the straight line part are connected with the bending parts in the symmetrical state, and the horizontal distance between the straight line parts of the two bending guide rails (16) is smaller than the horizontal distance between the bending parts of the two bending guide rails.
3. The tobacco harvester with a purely mechanical tobacco harvesting device of claim 2, wherein: the angle of the bending guide rail (16) is 20-30 degrees.
4. A tobacco harvester with a purely mechanical tobacco harvesting device as claimed in claim 3, wherein: two fixing rods on the left side and the right side of the frame are respectively provided with a leaf protection device (28), one side of the leaf protection device is provided with a belt (27), the front fixing rod and the rear fixing rod are provided with a motor (23), the belt (27) is driven by the motor (23) to work, two fixing rods on the left side and the right side of the frame are respectively provided with a guide device (26), and the guide devices (26) and the belt (27) are positioned below the leaf protection devices (28).
5. The tobacco harvester with a purely mechanical tobacco harvesting device of claim 4 wherein: the guide device (26) is an equilateral trapezoid-like device consisting of round rods, one side with the longest side length is horizontally arranged on the fixed rod (24), the belt (27) is similar to a rectangle and is arranged on the fixed rod at an inclined angle of 30 degrees, one side of the belt is provided with a leaf protection device (28) similar to a right triangle, and the belt (27) and the leaf protection device (28) are both arranged below the guide device (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321875946.3U CN220342897U (en) | 2023-07-17 | 2023-07-17 | Tobacco harvester with purely mechanical tobacco harvesting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321875946.3U CN220342897U (en) | 2023-07-17 | 2023-07-17 | Tobacco harvester with purely mechanical tobacco harvesting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220342897U true CN220342897U (en) | 2024-01-16 |
Family
ID=89480133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321875946.3U Active CN220342897U (en) | 2023-07-17 | 2023-07-17 | Tobacco harvester with purely mechanical tobacco harvesting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220342897U (en) |
-
2023
- 2023-07-17 CN CN202321875946.3U patent/CN220342897U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |