A tobacco leaf lifting device

Abstract

This utility model discloses a tobacco leaf lifting device, specifically relating to the field of tobacco leaf lifting technology. It includes a base, multiple support plates, and a top frame. The top and bottom ends of the support plates are fixedly connected to the top frame and the base, respectively. Three load-bearing components are arranged between the base and the top frame. Each load-bearing component includes a load rack, two second chains, a load plate, multiple receiving sleeves, a convex threaded head, hooks, multiple limiting plates, and two indicator plates. The top and bottom ends of the two second chains are fixedly connected to the load rack and the load plate, respectively. This utility model achieves orderly placement of tobacco leaves on the load rack and load plate by evenly distributing multiple hooks on them. A self-locking motor causes the two first chains to wind around a rotating shaft, thereby moving the load rack and load plate upwards. The device is simple to operate, convenient for evenly placing tobacco leaves on the load rack and load plate, and has good performance.

Description

Technical Field

[0001] This utility model relates to the field of tobacco leaf lifting technology, and more specifically, to a tobacco leaf lifting device. Background Technology

[0002] Tobacco leaves are the leaves of plants in the genus Tobacco. They are primary agricultural products formed through processes such as curing, sun-drying, and air-drying. They are the core raw material for tobacco products such as cigarettes, cigars, and pipe tobacco. In the tobacco production field, intensive curing in a curing barn is currently the most advanced curing method. This method involves fixing fresh tobacco leaves with tobacco sticks or clips in the curing barn and then drying them in layers.

[0003] A search revealed that Chinese Patent CN218145416U discloses a lifting device for hanging tobacco leaves at a height. This utility model places the upright frame of the gantry frame in the center of the platform. Compared with the traditional structure that is set outside the platform, it greatly facilitates workers to stand on the platform to hang tobacco leaves at a height, reduces the difficulty of hanging, and greatly improves work efficiency. Compared with the method of hanging tobacco leaves by extending and retracting an electric push rod, it greatly ensures the accuracy and efficiency of hanging.

[0004] When using the above-mentioned lifting device, the tobacco leaves are loaded onto the tobacco clips and placed on the platform. Then, the platform is raised to the required height by the fixed pulleys, reversing pulleys, guide pulleys and steel wire ropes. However, during the placement process, it is not convenient to place the tobacco leaves evenly on the platform. When the tobacco leaves are concentrated on one side of the platform, it will cause the center of gravity of the platform to shift. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a tobacco leaf lifting device, which aims to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a tobacco leaf lifting device, comprising a base, multiple support plates, and a top frame, wherein the top and bottom ends of the multiple support plates are fixedly connected to the top frame and the base, respectively. Three load-bearing components are arranged between the base and the top frame. Each of the three load-bearing components includes a load frame, two second chains, a load plate, multiple receiving sleeves, a convex threaded head, a hook, multiple limiting plates, and two indicator plates. The top and bottom ends of the two second chains are fixedly connected to the load frame and the load plate, respectively. The multiple receiving sleeves are fixedly installed on both sides of the load frame and the load plate. One end of the convex threaded head extends into the interior of one of the receiving sleeves and is threadedly connected to one of the receiving sleeves. One end of the hook is fixedly connected to the convex threaded head.

[0007] Furthermore, multiple limiting plates are respectively fixedly installed on both sides of the rack and the plate, and one side of each limiting plate is in contact with multiple support plates.

[0008] It can be seen that the above technical solution is designed to facilitate the limiting of the shelf.

[0009] Furthermore, one side of each of the two indicator plates is fixedly connected to the shelf and the plate, respectively, and one side of each of the three support plates is fixedly connected to a scale.

[0010] As can be seen, the above technical solution is designed to facilitate observation of the positions of the rack and the tray.

[0011] Furthermore, two first chains are fixedly connected to the top of the shelf, and a rotating assembly is provided between the two first chains. The rotating assembly includes a self-locking motor, a rotating shaft, and multiple limiting rings, and the number of the rotating assembly is three.

[0012] Furthermore, the self-locking motor is fixedly installed on the rear side of the top frame, and the output shaft end of the self-locking motor is fixedly connected to the rotating shaft. The front and rear ends of the rotating shaft are movably connected to the top frame through bearings, and the outer side of the rotating shaft is fixedly connected to two first chains.

[0013] Furthermore, the plurality of limiting rings are fixedly sleeved on the rotating shaft, and one side of each limiting ring is in contact with the two first chains.

[0014] As can be seen, in the above technical solution, the two limiting rings work together to limit the deflection of the first chain.

[0015] Furthermore, the rotating shaft is movably provided with a protective sleeve, and the protective sleeve is fixedly installed inside the base.

[0016] As can be seen, in the above technical solution, the protective cylinder can protect the rotating shaft to prevent the tobacco leaves from coming into contact with the rotating shaft.

[0017] The technical effects and advantages of this utility model are as follows: 1. This utility model achieves orderly placement of tobacco leaves on the rack and plate by evenly distributing multiple hooks. The self-locking motor causes two first chains to wind around the rotating shaft, thereby moving the rack and plate upward. It is simple to operate and convenient to place tobacco leaves evenly on the rack and plate, and has good performance. 2. In this utility model, when the shelf moves upward, the combination of multiple limiting plates and multiple support plates can limit the vertical movement of the shelf and prevent it from deflecting, thereby improving the stability of the shelf. At the same time, the position of the shelf and the shelf can be observed by the combination of the indicator plate and the scale, so as to prevent the shelf and the shelf from being too high or too low. The structure is simple and easy to use. Attached Figure Description

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a perspective view of the present invention from a downward angle; Figure 3 This is a schematic diagram of the assembly structure of the support plate and protective cylinder of this utility model; Figure 4 This is a schematic diagram of the structure of the loading component of this utility model; Figure 5 This is a schematic diagram of the assembly structure of the rotating component and the protective cylinder of this utility model.

[0020] In the diagram: 1. Base; 2. Support plate; 3. Top frame; 4. Loading assembly; 5. First chain; 6. Rotating assembly; 7. Scale; 8. Protective cylinder; 401. Loading rack; 402. Second chain; 403. Loading plate; 404. Receiving sleeve; 405. Convex threaded head; 406. Hook; 407. Limiting plate; 408. Indicator plate; 601. Self-locking motor; 602. Rotating shaft; 603. Limiting ring. Detailed Implementation

[0021] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] Refer to the instruction manual appendix Figure 1-5This embodiment of a tobacco leaf lifting device includes a base 1, multiple support plates 2, and a top frame 3. The top and bottom ends of the multiple support plates 2 are fixedly connected to the top frame 3 and the base 1, respectively. Three load-bearing components 4 are arranged between the base 1 and the top frame 3. Each of the three load-bearing components 4 includes a load rack 401, two second chains 402, a load plate 403, multiple receiving sleeves 404, a convex threaded head 405, a hook 406, multiple limiting plates 407, and two indicator plates 408. The top and bottom ends of the two second chains 402 are fixedly connected to the load rack 401 and the load plate 403, respectively. The multiple receiving sleeves 404 are fixedly installed on both sides of the load rack 401 and the load plate 403, respectively. One end of the convex threaded head 405 extends into the interior of one of the receiving sleeves 404 and is threadedly connected to one of the receiving sleeves 404. One end of the hook 406 is fixedly connected to the convex threaded head 405.

[0023] Furthermore, multiple limiting plates 407 are fixedly installed on both sides of the rack 401 and the plate 403, and one side of each limiting plate 407 is in contact with multiple support plates 2. One side of each of the two indicator plates 408 is fixedly connected to the rack 401 and the plate 403, and a scale 7 is fixedly connected to one side of each of the three support plates 2.

[0024] Furthermore, two first chains 5 are fixedly connected to the top of the shelf 401, and a rotating assembly 6 is provided between the two first chains 5. The rotating assembly 6 includes a self-locking motor 601, a rotating shaft 602, and multiple limiting rings 603. There are three rotating assemblies 6. The self-locking motor 601 is fixedly installed on the rear side of the top frame 3, and the output shaft end of the self-locking motor 601 is fixedly connected to the rotating shaft 602. The front and rear ends of the rotating shaft 602 are movably connected to the top frame 3 through bearings, and the outer side of the rotating shaft 602 is fixedly connected to the two first chains 5. Multiple limiting rings 603 are fixedly sleeved on the rotating shaft 602, and one side of each of the multiple limiting rings 603 is in contact with the two first chains 5.

[0025] Furthermore, the rotating shaft 602 is movably provided with a protective sleeve 8, and the protective sleeve 8 is fixedly installed inside the base 1.

[0026] When the rack 401 moves upward, multiple limiting plates 407 and multiple support plates 2 cooperate to restrict the vertical movement of the rack 401 from deflection, thereby improving the stability of the rack 401. At the same time, the position of the rack 401 and the load plate 403 can be observed by the indicator plate 408 and the scale 7 to prevent the rack 401 and the load plate 403 from being too high or too low. The structure is simple and easy to use. When the first chain 5 is wound on the shaft 602, the two limiting rings 603 cooperate to restrict the deflection of the first chain 5, and the protective cylinder 8 can protect the shaft 602 to prevent the tobacco leaves from contacting the shaft 602.

[0027] It is worth noting that this device adopts a 6-point lifting control design, with three rotating components 6 corresponding to three carrying components 4. Each carrying component 4 is driven by two independent lifting points (achieved through the corresponding first chain and rotating shaft). Compared with the traditional overall lifting structure, the adjustment precision is higher, which can meet the differentiated needs of different baking areas for tobacco leaf height and achieve precise adjustment. Secondly, this lifting platform not only effectively solves the problem of difficulty in loading tobacco into the traditional tobacco curing barn, but also significantly reduces the number of workers required for each batch of tobacco loading by replacing manual handling and lifting at height through mechanized lifting operations, thus saving labor costs significantly; moreover, it solves the safety problem of tobacco loading personnel on a larger scale, completely avoiding the hidden dangers of falls, collisions and injuries caused by personnel climbing the curing barn support and working at heights during traditional tobacco loading, providing core guarantees for the safe and efficient operation of the tobacco curing process.

[0028] The usage method of this embodiment is as follows: In use, the operator rotates the convex threaded head 405 and extends it into the receiving sleeve 404, thereby fixing the convex threaded head 405 and the receiving sleeve 404 together, and thus fixing the hook 406 to the carrier 401. Similarly, the other hooks 406 are evenly distributed and installed on the carrier 401 and the carrier plate 403. Multiple tobacco leaves are suspended by multiple hooks 406, and the orderly placement of tobacco leaves on the carrier 401 and the carrier plate 403 is achieved by the evenly distributed hooks 406. When the self-locking motor 601 is started, it drives the rotating shaft 602 to rotate, causing the two first chains 5 to wrap around the rotating shaft 602. This causes the carrying rack 401 and carrying plate 403 to move upward, thus moving the tobacco leaves upward. Similarly, when the self-locking motor 601 reverses, the carrying rack 401 and carrying plate 403 begin to move downward under their own weight, thus moving the tobacco leaves downward. The height of the tobacco leaves can be adjusted as needed. Similarly, the height of other tobacco leaves can be adjusted through the other two carrying components 4 and the other two rotating components 6. The operation is simple and convenient, allowing the tobacco leaves to be evenly placed on the carrying rack 401 and carrying plate 403. The effect is good. It is worth noting that the self-locking function of the self-locking motor 601 can lock the rotating shaft 602 when the machine stops, preventing the carrying rack 401 from sliding down due to the load, thus avoiding accidental falling of tobacco leaves and fully ensuring the safe operation of the equipment.

[0029] All contents not described in detail in the specification are existing technologies known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited; conventional equipment can be used. Electrical control components not mentioned in this technical solution are not shown in the figures because they are existing technologies, and will not be described here.

[0030] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A tobacco leaf lifting device, comprising a base (1), multiple support plates (2) and a top frame (3), wherein the top and bottom ends of the multiple support plates (2) are respectively fixedly connected to the top frame (3) and the base (1), characterized in that: Three load-bearing components (4) are provided between the base (1) and the top frame (3). Each of the three load-bearing components (4) includes a load rack (401), two second chains (402), a load plate (403), multiple receiving sleeves (404), a convex threaded head (405), a hook (406), multiple limiting plates (407), and two indicator plates (408). The top and bottom ends of the two second chains (402) are fixedly connected to the load rack (401) and the load plate (403) respectively. The multiple receiving sleeves (404) are fixedly installed on both sides of the load rack (401) and the load plate (403) respectively. One end of the convex threaded head (405) extends into the interior of one of the receiving sleeves (404) and is threadedly connected to one of the receiving sleeves (404). One end of the hook (406) is fixedly connected to the convex threaded head (405).

2. The tobacco leaf lifting device according to claim 1, characterized in that: Multiple limiting plates (407) are fixedly installed on both sides of the rack (401) and the plate (403), and one side of each limiting plate (407) is in contact with a multiple support plate (2).

3. The tobacco leaf lifting device according to claim 1, characterized in that: One side of each of the two indicator plates (408) is fixedly connected to the shelf (401) and the shelf (403), respectively, and one side of each of the three support plates (2) is fixedly connected to a scale (7).

4. The tobacco leaf lifting device according to claim 1, characterized in that: The top of the rack (401) is fixedly connected to two first chains (5), and a rotating assembly (6) is provided between the two first chains (5). The rotating assembly (6) includes a self-locking motor (601), a rotating shaft (602) and multiple limiting rings (603), and the number of the rotating assembly (6) is three.

5. The tobacco leaf lifting device according to claim 4, characterized in that: The self-locking motor (601) is fixedly installed on the rear side of the top frame (3), and the output shaft end of the self-locking motor (601) is fixedly connected to the rotating shaft (602). The front and rear ends of the rotating shaft (602) are movably connected to the top frame (3) through bearings, and the outer side of the rotating shaft (602) is fixedly connected to the two first chains (5).

6. The tobacco leaf lifting device according to claim 4, characterized in that: Multiple limiting rings (603) are fixedly sleeved on the rotating shaft (602), and one side of each limiting ring (603) is in contact with two first chains (5).

7. The tobacco leaf lifting device according to claim 4, characterized in that: The rotating shaft (602) is movably provided with a protective cylinder (8), and the protective cylinder (8) is fixedly installed inside the base (1).

Images