Electric lifting mechanism for tobacco leaf stacking and placing

Abstract

The present application relates to the field of tobacco harvesting device, specifically relates to a kind of tobacco superposed type set and put electric lifting mechanism, including crawler walking device and tobacco layered set and transport device, the two portal frame side stand of crawler walking device are made into the four-bar linkage mechanism that can parallel swing by longitudinal pull rod and electric telescopic rod, electric telescopic rod is telescopic when driving two portal frame side stand relative deflection, realize slope posture leveling;Tobacco layered set and transport device is set between the two portal frame side stand, including from top to bottom into type stacking upper storage frame, middle storage frame and lower storage frame, upper storage frame and middle storage frame are connected by telescopic connecting pull rod, when lifting motor is lifted by lifting pull line upper storage frame, drive middle storage frame synchronous rise, realize layered unfolding, simple structure, low in cost, with slope posture self-adjustment and large capacity layered storage and transport function, suitable for hilly and plain tobacco area mechanized harvesting operation.

Description

Technical Field

[0001] This invention relates to the field of tobacco harvesting equipment, and more specifically to an electric lifting mechanism for stacked tobacco leaves. Background Technology

[0002] Tobacco is an important economic crop in my country, with a wide range of planting areas, including hilly, mountainous, and plain areas. Tobacco harvesting is one of the most labor-intensive and costly stages in the entire tobacco production process. Traditional tobacco harvesting mainly relies on manual picking and carrying to the field for loading, which is inefficient. Moreover, with the increasing aging of the workforce in tobacco-growing areas, the problems of labor shortage and high labor costs are becoming increasingly prominent, seriously restricting the sustainable development of the tobacco industry.

[0003] Currently, the patent application with application number "2026107394153" entitled "A Cross-row Harvester for Tobacco in Hilly and Mountainous Areas" uses multiple sets of tilt sensors to detect the tilt state of the entire machine, uses a controller to drive the support rod and slider mechanism to adjust the level of the frame, and actively adjusts the center of gravity of the entire machine through a movable gravity column to achieve attitude adjustment and anti-tipping function on slopes. However, this solution uses a large number of sensors, controllers, and complex linkage mechanisms of support rods, sliders, and gravity columns, resulting in high system complexity, high manufacturing cost, and the need for precise closed-loop control algorithms. This makes it uneconomical for small and medium-sized tobacco growers and difficult to promote and apply. More importantly, the leveling mechanism in this solution—support rod tilt adjustment combined with slider sliding compensation—is a different technical approach from the traditional telescopic leveling mechanism, but it still falls under the category of active control attitude adjustment, and the inherent defects of complex structure and high cost still exist.

[0004] In summary, this invention proposes an electric lifting mechanism for stacked tobacco leaves to solve the problems mentioned in the background art. Summary of the Invention

[0005] The purpose of this invention is to provide a stacked tobacco leaf collection and electric lifting mechanism. By organically integrating an adjustable gantry tracked chassis with a nested layered electric lifting mechanism, the overall structure is greatly simplified, manufacturing costs are reduced, and the comfort and safety of operators are improved while achieving adaptive adjustment of slope posture. This solves the problems of complex structure, high cost, and low operating efficiency.

[0006] An electric lifting mechanism for stacking and collecting tobacco leaves includes two tracked walking devices, two gantry side frames, and two operating positions. The two operating positions are located at the rear of the mechanism and mounted on mounting brackets. The mounting brackets are rotatably mounted on fixed seats, which are mounted on the tracked walking devices.

[0007] The gantry side support frame consists of two vertical support rods and two horizontal support rods. The two horizontal support rods are welded parallel to each other between the two vertical support rods. It also includes a longitudinal tie rod, an electric telescopic rod, a lithium battery, and a controller. The longitudinal tie rod is installed between the two gantry side supports to keep them parallel and symmetrically arranged. The electric telescopic rod is installed on the longitudinal tie rod and is used to drive the two gantry side supports to deflect relative to each other. The lithium battery is electrically connected to the electric telescopic rod. The controller is installed on the vertical support rod and is used to control the electric telescopic rod.

[0008] It also includes a tobacco leaf stratified collection and transportation device and a lifting device. The tobacco leaf stratified collection and transportation device is set on the outside of the side uprights of the gantry frame on both sides, and includes an upper storage rack, a middle storage rack and a lower storage rack stacked from top to bottom. The upper storage rack and the middle storage rack can be movably set on the side uprights of the gantry frame, and the lower storage rack is fixed to the bottom of the side uprights of the gantry frame.

[0009] The lifting device includes a lifting motor and a lifting cable. The lifting motor is installed on the top of the two gantry side uprights. One end of the lifting cable is connected to the output end of the lifting motor, and the other end is connected to the upper storage rack. A telescopic rod is provided between the upper storage rack and the middle storage rack.

[0010] The controller is signal-connected to the lifting motor and is used to control the start and stop of the lifting motor and the extension and retraction of the electric telescopic rod. The lithium battery is electrically connected to the controller and the lifting motor and is used to supply power to the lifting motor and the controller.

[0011] Furthermore, the upper storage shelf, middle storage shelf, and lower storage shelf adopt an interlocking layered structure, shaped like a "U". In the stacked state, the main body of the middle storage shelf is embedded in the internal space of the lower storage shelf, and the main body of the upper storage shelf is embedded in the internal space of the middle storage shelf, so as to reduce the total stacking height.

[0012] Furthermore, the gantry side support is equipped with an upper limit device and a lower limit device. When the upper storage rack is lifted to the predetermined highest position, the upper limit device is triggered, and the lifting motor automatically stops working. When the upper storage rack falls to the predetermined lowest position, the electromagnetic lower limit device is triggered, and the lifting motor automatically stops working.

[0013] Further specified, both ends of the longitudinal tie rod are hollow rings, the length of the two transverse support rods is greater than the width of the gantry side support frame, and the transverse support rods are rotatably inserted into both ends of the longitudinal tie rod.

[0014] Further, it also includes connecting rods, of which there are four, two of which are fixedly connected between the two upper longitudinal tie rods, and the other two are fixedly connected between the two lower longitudinal tie rods; the longitudinal tie rods and the transverse support rods form a frame structure, and the lithium battery is located within the frame structure and is mounted on the two lower connecting rods.

[0015] Further specifying, a packing basket is provided between the lower storage rack and the operating position, and the packing basket is installed above the tracked walking device.

[0016] Further specifying, the tracked walking device is driven by an independent drive system with a braked motor, and the controller controls the differential rotation of the two drive systems with braked motors through the whole machine controller to realize the differential reverse turning of the whole machine in place.

[0017] Further specifying, the front end of the gantry side support is provided with an automatic alignment device and a protective cover. The automatic alignment device is connected to the whole machine controller and is used to detect the tobacco planting row path and guide the whole machine to automatically align. The protective cover is installed above the tracked walking device.

[0018] Further specifying, both sides of the two gantry side supports are provided with pulley grooves, and the upper storage rack and the middle storage rack are provided with pulleys on the side of the gantry side supports, and the pulleys are tactilely connected in the pulley grooves.

[0019] The advantages of this invention compared to the prior art are as follows:

[0020] 1. This invention uses a gantry side support that can be relatively deflected in conjunction with an electric telescopic rod to adjust the posture. Compared with the complex active leveling mechanism structure in the prior art, it is simpler. Only a pair of electric telescopic rods are needed to achieve adaptive posture adjustment when working on slopes. It has low manufacturing cost, simple control logic, and is suitable for promotion and use by small and medium-sized growers.

[0021] 2. This invention designs a nested, layered tobacco storage rack. In non-unloading operation mode, the upper and middle storage racks are stacked in sequence inside the storage rack, which greatly reduces the overall space occupied. It can also realize layered harvesting and layered storage. After harvesting, the upper and middle storage racks can be lifted in sequence by the lifting motor, and the tobacco leaves are poured into the packing baskets layer by layer to complete the collection and storage. There is no need for multiple manual transfers, which effectively reduces labor intensity and improves harvesting efficiency.

[0022] 3. The upper and middle storage racks are linked by a retractable connecting rod to achieve purely mechanical linkage lifting. Compared with the complex structures of existing technologies that use chain drive, gear and rack drive, hydraulic cylinder drive or slide linkage, the connecting rod solution of this invention has a simple structure, fewer parts, and lower manufacturing cost. It also eliminates the risk of failure such as internal leakage of seals, gear wear, and slide jamming. It is particularly suitable for harsh working environments with high dust and strong vibration in the field, significantly improving the reliability and service life of the equipment. Attached Figure Description

[0023] Figure 1 This is a three-dimensional illustration of the present invention. Figure 1 ;

[0024] Figure 2 This is a three-dimensional illustration of the present invention. Figure 2 ;

[0025] Figure 3 This is a front view schematic diagram of the present invention;

[0026] Figure 4 This is a schematic diagram of the installation of components on the side support of the gantry in this invention. Figure 1 ;

[0027] Figure 5 This is a schematic diagram of the gantry side uprights in the present invention, showing the leveling state with the gantry tilted to the right.

[0028] The markings in the diagram correspond to: 1-tracked walking device, 2-gantry side support, 3-vertical support rod, 4-lateral support rod, 5-longitudinal tie rod, 6-controller, 7-connecting rod, 8-electric telescopic rod, 9-lithium battery, 10-support base, 11-operating position, 12-upper storage rack, 13-middle storage rack, 14-lower storage rack, 15-pulley groove, 16-pulley, 17-lifting motor, 18-lifting cable, 19-packing tobacco basket, 20-protective cover, 21-mounting bracket, 22-fixed base, 23-brake motor drive system. Detailed Implementation

[0029] To enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0030] Example:

[0031] like Figures 1-5As shown, a stacked tobacco leaf collection and electric lifting mechanism includes two tracked walking devices 1, two gantry side supports 2, and an operating position 11. The two gantry side supports 2 are mounted on the tracked walking devices 1. Each gantry side support 2 consists of two vertical support rods 3 and two horizontal support rods 4. The two horizontal support rods 4 are welded parallel to each other between the two vertical support rods 3. The mechanism also includes a longitudinal tie rod 5, an electric telescopic rod 6, a lithium battery 9, and a controller 6. The longitudinal tie rod 5 is installed between the two gantry side supports 2 to keep them parallel and symmetrically arranged. Both ends of the longitudinal tie rod 5 are hollow rings. The length of the two horizontal support rods 4 is greater than the width of the gantry side supports 2. The horizontal support rods 4 are rotatably inserted into the two ends of the longitudinal tie rod 5. The mechanism also includes four connecting rods 7, two of which are fixedly connected between the two upper longitudinal tie rods 5, and the remaining two are fixedly connected between the upper two longitudinal tie rods 5. The connecting rod 7 is fixed between the two lower longitudinal tie rods 5. The connecting rod 7 can be fixed by bolt or welding to enhance the lateral connection rigidity between the longitudinal tie rods 5 and prevent the gantry side frame 2 from twisting and deforming during adjustment or operation. Support seats 10 are provided on both the upper and lower longitudinal tie rods 5. The electric telescopic rod 8 is installed on the support seats 10. The gantry side frame 2 forms a parallel swinging four-bar linkage through the longitudinal tie rods 5 and the electric telescopic rod 8 to adjust the overall posture of the machine on the slope. The controller 6 is used to receive control signals and control the extension or retraction of the electric telescopic rod 8. When the electric telescopic rod 8 extends, the distance between the upper and lower longitudinal tie rods 5 at the front increases, pushing the two gantry side frames 2 to swing relative to each other while maintaining parallelism, with one side rising and the other side falling. When the electric telescopic rod 8 retracts, it swings in the opposite direction.

[0032] The longitudinal tie rod 5 and the transverse support rod 4 form a frame structure. The lithium battery 9 is located inside the frame structure and is set on the two connecting rods 7 below. It can be fixed by the battery mounting bracket or straps, which not only ensures the stability of the battery installation, but also places the battery in a lower position of the whole machine, which helps to lower the center of gravity of the whole machine and improve the stability of driving on slopes.

[0033] It also includes a tobacco leaf stratified collection and transportation device and a lifting device. The tobacco leaf stratified collection and transportation device is located on the outside of the gantry side frame 2 and includes an upper storage rack 12, a middle storage rack 13 and a lower storage rack 14 stacked from top to bottom. The lower storage rack 14 is installed above the tracked walking device 1. The upper storage rack 12 and the middle storage rack 13 can be movably mounted on the gantry side frame 2. Both sides of the gantry side frame 2 are provided with pulley grooves 15. The upper storage rack 12 and the middle storage rack 13 are provided with pulleys 16 on the side of the gantry side frame 2, and the pulleys 16 are tactilely connected. The storage rack is located in the pulley groove 15. A telescopic rod is provided between the upper storage rack 12 and the middle storage rack 13. The upper storage rack 12, the middle storage rack 13 and the lower storage rack 14 adopt an interlocking layered structure, which is shaped like a "U". In the stacked state, the main body of the middle storage rack 13 is embedded in the internal space of the lower storage rack 14, and the main body of the upper storage rack 12 is embedded in the internal space of the middle storage rack 13 to reduce the total stacking height. A packing smoke basket 19 is provided between the lower storage rack 14 and the operating position 11. The packing smoke basket 19 is installed above the tracked walking device 1.

[0034] The lifting device includes a lifting motor 17 and a lifting cable 18. The lifting motor 17 is installed on top between the two gantry side uprights 2, above the lithium battery 9. One end of the lifting cable 18 is connected to the output end of the lifting motor 17, and the other end is connected to the upper storage rack 12.

[0035] The controller 6 is connected to the hoisting motor 17 by signal and is used to control the start and stop of the hoisting motor 17 and the extension and retraction of the electric telescopic rod 8. The lithium battery 9 is electrically connected to the controller 6 and the hoisting motor 17 and is used to supply power to the hoisting motor 17 and the controller 6.

[0036] The gantry side support 2 is equipped with an upper limit device and a lower limit device (not shown in the figure). The upper limit device and the lower limit device are contact limit switches or non-contact proximity sensors, which are fixedly installed at a predetermined height position on the gantry side support 2. When the upper storage rack 12 is lifted to the predetermined highest position, the upper limit device is triggered and the lifting motor 17 automatically stops working. When the upper storage rack 12 falls to the predetermined lowest position, the electromagnetic lower limit device is triggered and the lifting motor 17 automatically stops working.

[0037] The tracked walking device 1 is driven by an independent braked motor drive system. The controller 6 controls the differential rotation of the two braked motor drive systems 23 to achieve differential reversal turning in place. The front end of the gantry side frame 2 is equipped with an automatic alignment device and a protective cover 20. The automatic alignment device is connected to the controller 6 and is used to detect the tobacco planting row path and guide the whole machine to automatically align. The protective cover 20 is installed above the tracked walking device.

[0038] The operating position 11 is mounted on the mounting bracket 21, which is rotatably mounted on the fixed base 22. The fixed base 22 is mounted above the tracked walking device. A locking mechanism is provided between the mounting bracket 21 and the fixed base 22 to lock the operating position 11 in the working position or the folded position. When not in use, the operating position 11 can be folded up to reduce the lateral width occupied by the mechanism, making it easier to transport and park the equipment in narrow field ridges. When in use, the operating position can be rotated to the working position, allowing the operator to observe the harvesting operation in real time and perform corresponding operations. At the same time, the operating position is located at the rear of the mechanism, maintaining a safe distance from the front harvesting area to avoid scratching tobacco leaves or branches or bumping into the equipment, thus improving operational safety.

[0039] When the machine travels to a slope, the two gantry side supports 2 naturally tilt with the tracked walking device 1, forming a slope angle with the horizontal plane. The operator issues a command by pressing the button on the controller 6 to control the electric telescopic rod 8. Taking the rightward deflection as an example: the electric telescopic rod 8 extends, pushing the longitudinal tie rod 5 to move relative to the horizontal plane. The left gantry side support 2 rises and the right gantry side support 2 lowers. The two gantry side supports 2 always remain parallel. Under the action of gravity, the whole machine deflects to the right. When the deflection angle is equal to the slope angle, the gantry returns to a state perpendicular to the horizontal plane, achieving leveling. The working principle is the same for the leftward deflection, but the direction is opposite. After leveling, the agricultural machinery installed on the upper part of the gantry side supports 2 maintains a posture perpendicular to the horizontal plane, thereby ensuring the accuracy and quality of harvesting, sowing or management operations.

[0040] The operator sits in the operating position 11, turns on the power switch on the controller 6, and uses the lithium battery 9 for power supply. The controller 6 drives the drive system 23 with brake, which drives the track walking system 1 and then the gantry side frame 2 connected to the two tracks, so that the whole machine can move forward and backward and turn. The running speed can be adjusted and the whole machine will maintain the set speed. The power will be automatically increased or decreased according to the load. When the speed is adjusted to 0 km / h, the whole machine will be forced to stop. The whole machine will automatically brake after power failure. When braking, it can remain stationary on a certain slope. After power is restored, the brake will be automatically released and forced to stop before the speed is actively adjusted.

[0041] Align the two tracks of the equipment with the gaps between the rows of tobacco plants to be harvested and enter the tobacco field, so that there is one row of tobacco plants on each side of the machine and one row of tobacco plants in the middle of the gantry. Adjust to a suitable operating speed (0.1-0.3 km / h) for harvesting, harvesting three rows of tobacco plants at the same time. When harvesting, activate the automatic row alignment device so that the whole machine automatically adjusts its walking direction according to the planting path. Place the harvested tobacco leaves into the baling basket 19. After the baling basket 19 is full, wrap it with a cloth bag and send it to the top layer of the tobacco leaf stratification and collection device and send it forward. After each layer of the tobacco leaf stratification and collection device is filled with two bags, the controller 6 lifts the tobacco leaf stratification and collection device through the lifting motor 17 to carry one layer. A total of three layers can be loaded on each side.

[0042] During operation, operators pick tobacco leaves and place them into the packing basket 19. After filling, the basket is packed and sent to the upper storage rack 12 and forward. Two tobacco bales are placed on each storage rack. After the upper storage rack 12 is full, the control controller 6, powered by the lithium battery 9, lifts the upper storage rack 12 via the lifting motor 17 and lifting cable 18. The upper storage rack 12 is raised to a certain height and the telescopic rod is straightened. The middle storage rack 13 is filled with tobacco leaves according to the above tobacco leaf loading steps. Then, the upper storage rack 12 is raised again. The upper storage rack 12 drives the middle storage rack 13 to rise through the telescopic rod. When it reaches a certain height, it touches the upper limit device, causing the lifting motor 17 to stop automatically. At this time, the lower storage rack 14 is filled with tobacco bales, completing the tobacco harvesting operation.

[0043] After the harvesting operation is completed, the entire machine unloads tobacco at the edge of the field. The protective cover 20 is opened, and the tobacco packs of the lower storage rack 14 are first unloaded from both ends. Then, the controller 6 is operated to connect the upper storage rack 12 and the middle storage rack 13 to the lifting motor 17 and the lifting cable 18 to fall synchronously. After the middle storage rack 13 falls to the bottom, it is stacked on the lower storage rack 14. The tobacco packs are then unloaded from both ends of the middle storage rack 13. After that, the upper storage rack 12 continues to fall. The telescopic rod between the middle storage rack 13 and the upper storage rack 12 retracts, and the upper storage rack 12 triggers the lower limit device to stop falling. It is then stacked on the middle storage rack 13. The tobacco packs of the upper storage rack 12 are unloaded from both ends, completing the unloading of tobacco.

[0044] The above provides a detailed description of the tobacco leaf stacking and collection electric lifting mechanism provided by the present invention. The specific embodiments are only applicable to help understand the method and core idea of ​​the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made to the present invention without departing from the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A stacked tobacco leaf collection and electric lifting mechanism, characterized in that: It comprises two crawler travelling devices (1), two gantry side frames (2) and an operating position (11), wherein the operating position (11) is located at the rear of the mechanism, the crawler travelling devices (1) are respectively arranged on the left and right sides of the mechanism, the gantry side frames (2) are mounted on the crawler travelling devices (1), the gantry side frame (2) is composed of two vertical support rods (3) and two transverse support rods (4), the two transverse support rods (4) are welded in parallel between the two vertical support rods (3), and the mechanism further comprises a longitudinal pull rod (5), an electric telescopic rod (8), a lithium battery (9) and a controller (6), wherein the longitudinal pull rod (5) is mounted between the two gantry side frames (2) to keep the two gantry side frames (2) arranged in parallel and symmetrically, the electric telescopic rod (8) is mounted on the longitudinal pull rod (5) and is used for driving the two gantry side frames (2) to deflect relatively, the lithium battery (9) is electrically connected with the electric telescopic rod (8), and the controller (6) is mounted on the vertical support rod (3) and is used for controlling the electric telescopic rod (8); It further comprises a layered tobacco collecting and conveying device and a lifting device, wherein the layered tobacco collecting and conveying device is arranged on the outer sides of the gantry side frames (2) on both sides, and comprises an upper storage rack (12), a middle storage rack (13) and a lower storage rack (14) which are stacked sequentially from top to bottom, the upper storage rack (12) and the middle storage rack (13) are both movably arranged on the gantry side frames (2), and the lower storage rack (14) is fixed at the bottom of the gantry side frames (2); The lifting device comprises a lifting motor (17) and a lifting cable (18), wherein the lifting motor (17) is mounted at the top of the two gantry side frames (2), one end of the lifting cable (18) is connected to the output end of the lifting motor (17), the other end of the lifting cable is connected to the upper storage rack (12), and a telescopic rod is arranged between the upper storage rack (12) and the middle storage rack (13). The controller (6) is in signal connection with the lifting motor (17) and is used for controlling the starting and stopping of the lifting motor (17) and the telescopic action of the electric telescopic rod (8), and the lithium battery (9) is electrically connected with the controller (6) and the lifting motor (17) and is used for supplying power to the lifting motor (17) and the controller (6).

2. The tobacco leaf stacking and electric lifting mechanism according to claim 1, characterized in that: The upper storage rack (12), the middle storage rack (13) and the lower storage rack (14) adopt a nested layered structure and are shaped like a Chinese character '凵', in a stacked state, the main body part of the middle storage rack (13) is embedded into the inner space of the lower storage rack (14), and the main body part of the upper storage rack (12) is embedded into the inner space of the middle storage rack (13), so as to reduce the total stacked height.

3. The tobacco leaf stacking and electric lifting mechanism according to claim 1, characterized in that: The gantry side support (2) is equipped with an upper limit device and a lower limit device. When the upper storage rack (12) is lifted to the predetermined highest position, the upper limit device is triggered and the lifting motor (17) automatically stops working. When the upper storage rack (12) falls to the predetermined lowest position, the lower limit device is triggered and the lifting motor (17) automatically stops working.

4. The tobacco leaf stacking and electric lifting mechanism according to claim 1, characterized in that: Both ends of the longitudinal tie rod (5) are hollow rings, and the length of the two transverse support rods (4) is greater than the width of the gantry side support frame (2). The transverse support rods (4) are rotatably inserted into the two ends of the longitudinal tie rod (5).

5. The tobacco leaf stacking and electric lifting mechanism according to claim 1, characterized in that... It also includes connecting rods (7), of which there are four connecting rods (7), two of which are fixedly connected between the two upper longitudinal tie rods (5), and the other two are fixedly connected between the two lower longitudinal tie rods (5); the longitudinal tie rods (5) and the transverse support rods (4) form a frame structure, and the lithium battery (9) is located in the frame structure and is set on the two lower connecting rods (7).

6. The tobacco leaf stacking and electric lifting mechanism according to claim 1, characterized in that: A packing basket (19) is provided between the lower storage rack (14) and the operating position (11), and the packing basket (19) is installed above the tracked walking device (1).

7. The tobacco leaf stacking and electric lifting mechanism according to claim 1, characterized in that: The tracked walking device (1) is driven by an independent braked motor drive system (23). The controller (6) controls the differential rotation of the two braked motor drive systems (23) to achieve differential in-situ turning of the whole machine.

8. The tobacco leaf stacking and electric lifting mechanism according to claim 1, characterized in that: The front end of the gantry side support (2) is provided with an automatic alignment device and a protective cover (20). The automatic alignment device is connected to the controller (6) by signal and is used to detect the tobacco planting row path and guide the whole machine to automatically align. The protective cover (20) is installed above the track walking device.

9. The tobacco leaf stacking and electric lifting mechanism according to claim 1, characterized in that: The operating position (11) is mounted on the mounting bracket (21), the mounting bracket (21) is rotatably mounted on the fixed seat (22), the fixed seat (22) is mounted above the track walking device (1), and a locking mechanism is provided between the mounting bracket (21) and the fixed seat (22) to lock the operating position (11) in the working position or folded position.

10. The tobacco leaf stacking and electric lifting mechanism according to claim 2, characterized in that: Both sides of the two gantry side stands (2) are provided with pulley grooves (15). The upper storage rack (12) and the middle storage rack (13) are provided with pulleys (16) on the side of the gantry side stands (2) and the pulleys (16) are rolled in the pulley grooves (15).

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