Vehicle-mounted hopper type tobacco leaf collecting device and method

Abstract

The invention relates to the technical field of tobacco harvesting, in particular to a vehicle-mounted hopper type tobacco leaf collecting device and method.The device comprises a self-propelled harvester provided with a bearing support, and the two sides of the bearing support are each provided with a collecting unit; at least one tobacco leaf hopper can be placed on the second tobacco rack; at least one tobacco leaf hopper can be placed on the third tobacco rack; in an initial state, the tobacco leaf hoppers placed on the third tobacco rack, the second tobacco rack and the first tobacco rack are sequentially overlapped from top to bottom; the lifting mechanism is provided with a noose, and the noose penetrates through the second tobacco rack and is connected with the third tobacco rack; under the traction of the noose, after the third tobacco rack is lifted to a first set height, the second tobacco rack can be driven to synchronously rise to a second set height, so that a set interlayer spacing is formed among the three layers of tobacco leaf hoppers; the three layers of tobacco leaf hoppers are arranged and matched with the lifting mechanism, so that the tobacco leaf collecting capacity is increased, and the harvesting efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of tobacco harvesting, in particular to a vehicle-mounted hopper-type tobacco leaf collecting device and method. Background Art

[0002] At present, tobacco leaf picking and collection are mostly done manually. The harvesting season is in the hot summer, and the working environment is poor. The picked tobacco leaves need to be transported from the fields to the edge of the field for centralized collection by manpower, which is labor-intensive and difficult to ensure timely harvesting of tobacco leaves. At the same time, it is affected by unpredictable weather, which reduces the quality of tobacco leaf harvesting.

[0003] The emergence of fully automatic tobacco harvesters has reduced the use of manpower, but overall the harvesting effect is not good, and phenomena such as breakage, missed picking and missed harvesting make it difficult to meet requirements.

[0004] High-clearance self-propelled harvesters that work with manual picking can greatly reduce the labor intensity of field transportation and ensure the quality of tobacco leaves. However, for long-plot tobacco fields, due to the small capacity of the existing harvester collection device, the picked tobacco leaves need to be unloaded midway and then transported to the field by manpower or other transportation machinery. Summary of the invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a vehicle-mounted hopper-type tobacco leaf collection device and method. The present invention increases the collection capacity of tobacco leaves by setting a three-layer tobacco leaf hopper and cooperating with a lifting mechanism, avoids unloading tobacco in the middle, and improves the harvesting efficiency. In order to achieve the above purpose, the present invention is implemented through the following technical solutions:

[0006] In a first aspect, the present invention provides a vehicle-mounted hopper-type tobacco leaf collecting device, comprising a self-propelled harvester provided with a supporting frame, wherein a collecting unit is provided on both sides of the supporting frame: each of the collecting units comprises:

[0007] A first tobacco rack is fixedly arranged, on which at least one tobacco leaf hopper can be placed;

[0008] a second tobacco rack, on which at least one tobacco leaf hopper can be placed;

[0009] A third tobacco rack, on which at least one tobacco hopper can be placed; in an initial state, the third tobacco rack, the second tobacco rack and the tobacco hoppers placed on the first tobacco rack are stacked in sequence from top to bottom;

[0010] The lifting mechanism has a noose, which passes through the second tobacco rack and is connected to the third tobacco rack. Under the traction of the noose, after the third tobacco rack is lifted to the first set height, the second tobacco rack can be driven to rise synchronously to the second set height, so that there is a set layer spacing between the three layers of the tobacco leaf hoppers.

[0011] As a further implementation, the first cigarette rack is mounted on the bearing bracket, the second cigarette rack is slidably mounted on the first cigarette rack, and the third cigarette rack is slidably mounted on the second cigarette rack.

[0012] As a further implementation, the first cigarette rack is a frame structure, and first guide grooves are provided in the two side brackets; the second cigarette rack is a frame structure, and second guide wheels are provided on the outer sides of the two side brackets, and the first guide grooves cooperate with the second guide wheels.

[0013] As a further implementation, the third cigarette rack is a frame structure, and the two side brackets are provided with third guide wheels, and the inner sides of the two side brackets of the second cigarette rack are provided with second guide grooves, and the second guide grooves cooperate with the third guide wheels.

[0014] As a further implementation, the lifting mechanism is installed on the top crossbeam of the first cigarette rack, and the noose passes through the top crossbeam of the second cigarette rack and is connected to the top crossbeam of the third cigarette rack.

[0015] As a further implementation, the third tobacco rack, the second tobacco rack and the first tobacco rack can each be equipped with two tobacco leaf hoppers.

[0016] As a further implementation, the third cigarette rack, the second cigarette rack and the first cigarette rack are all provided with transverse support rails and are arranged in sequence from top to bottom, and the tobacco leaf hoppers of each layer are arranged on the support rails.

[0017] As a further implementation method, a hook is provided on the upper portion of each tobacco hopper, which is connected to the supporting slide rail via the hook.

[0018] As a further implementation method, the tobacco hopper is a U-shaped structure.

[0019] In a second aspect, the present invention provides a working method of the vehicle-mounted hopper-type tobacco leaf collecting device according to the first aspect, comprising the following steps:

[0020] Initially, the tobacco hoppers placed on the third tobacco rack, the second tobacco rack and the first tobacco rack are stacked in sequence from top to bottom; the manually collected tobacco leaves are first stacked in the tobacco hopper on the third tobacco rack in order, and when they are full, the noose is started to pull the third tobacco rack, and the full tobacco hopper on it is raised to the traction position of the second tobacco rack; the tobacco leaves picked in succession continue to be stacked in the tobacco hopper on the second tobacco rack, and when they are full, the noose is started to pull the third tobacco rack and the second tobacco rack to rise synchronously to the set position; the picked tobacco leaves are subsequently stacked in the tobacco hopper on the first tobacco rack.

[0021] The beneficial effects of the present invention are as follows:

[0022] 1. Two collecting units are symmetrically arranged on both sides of the self-propelled harvester of the present invention. Each collecting unit is provided with a first tobacco rack, a second tobacco rack and a third tobacco rack. At least one tobacco leaf hopper is arranged on each tobacco rack, forming a three-layer tobacco leaf hopper, which is stacked in three layers in the initial state. In addition, a lifting mechanism is configured. When the tobacco leaf hopper of the upper layer is full, it can be lifted by the lifting mechanism, and then the tobacco leaf hopper of the next layer is filled. Therefore, the three-layer tobacco leaf hopper, with the cooperation of the lifting mechanism, increases the collection capacity of tobacco leaves, avoids unloading tobacco in the middle, and improves the harvesting efficiency.

[0023] 2. The third tobacco rack, the second tobacco rack and the first tobacco rack of the present invention are all provided with horizontal support rails and are arranged in sequence from top to bottom. The tobacco hoppers of each layer are arranged on the support rails. The arrangement of the support rails allows each tobacco rack to carry more tobacco hoppers, thereby allowing the device to store and transport more tobacco.

[0024] 3. The sliding arrangement of the three tobacco racks and the design of the height of the tobacco racks of the present invention enable the third tobacco rack to be lifted to a set height and then drive the second tobacco rack to rise synchronously under the traction of the lifting mechanism, so that the three-layer tobacco hoppers have a set interlayer spacing, ensuring that the three-layer tobacco hoppers do not interfere with each other when in use.

[0025] 4. The present invention is provided with a baffle, a fixed sleeve, an anti-slip plate and an anti-return baffle, which can achieve relative fixation of the tobacco hopper in the track groove, prevent the tobacco hopper from accidentally sliding or falling off during the harvesting process, and ensure safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0027] Figure 1 It is an axonometric view of a vehicle-mounted hopper-type tobacco leaf collecting device in an embodiment of the present invention.

[0028] Figure 2 It is an axonometric view of the first cigarette holder structure in an embodiment of the present invention.

[0029] Figure 3 It is an axonometric view of the second cigarette holder structure in an embodiment of the present invention.

[0030] Figure 4 It is an axonometric view of the third cigarette holder structure in an embodiment of the present invention.

[0031] Figure 5 Schematic diagram of the supporting rail structure in an embodiment of the present invention.

[0032] Figure 6 It is a schematic diagram of the structure of the fixed sleeve part in an embodiment of the present invention.

[0033] Figure 7 It is a schematic diagram of the process of harvesting tobacco leaves by using a vehicle-mounted hopper-type tobacco leaf collecting device in an embodiment of the present invention; wherein (a) is a schematic diagram of filling the tobacco leaf hoppers on the third tobacco rack respectively, (b) is a schematic diagram of preparing to lift the third tobacco rack; (c) is a schematic diagram of filling the tobacco leaf hoppers on the second tobacco rack respectively after the third tobacco rack is lifted; (d) is a schematic diagram of lifting the second tobacco rack and the third tobacco rack and filling the tobacco leaf hoppers on the first tobacco rack respectively.

[0034] Figure 8 It is a schematic diagram of the inner structure of the collecting unit in an embodiment of the present invention.

[0035] In the figure: the distances or sizes between parts are exaggerated to show the positions of various parts, and the schematic diagram is for reference only.

[0036] Among them: 1. Self-propelled harvester; 2. First tobacco rack; 21. First tobacco rack body; 22. Fixed bracket; 23. First supporting slide rail; 231. Slide rail body; 232. Baffle; 233. Anti-slip plate; 234. Anti-return baffle; 235. Fixed sleeve; 24. First guide groove; 3. Second tobacco rack; 31. Second tobacco rack body; 32. Second supporting slide rail; 33. Second guide groove; 34. Second guide wheel; 4. Third tobacco rack; 41. Third tobacco rack body; 42. Shock absorber; 43. Third guide wheel; 44. Third supporting slide rail; 5. Lifting mechanism; 6. Tobacco hopper; 7. Tobacco, 8. Hook. DETAILED DESCRIPTION

[0037] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0038] Embodiment 1

[0039] In a typical embodiment of the present invention, reference is made to Figure 1 As shown, a vehicle-mounted hopper-type tobacco leaf collecting device includes a self-propelled harvester 1 provided with a supporting bracket, and a collecting unit is provided on both sides of the supporting bracket. The self-propelled harvester is a crawler-type harvester, and an existing harvester can be used. The two collecting units of this embodiment are arranged symmetrically. Specifically, the supporting bracket is fixedly arranged on the self-propelled harvester 1, and the supporting bracket is formed by connecting two gate-shaped frames. A collecting unit is provided on each side of the supporting bracket and is arranged symmetrically.

[0040] Each collecting unit includes a first cigarette rack 2 , a second cigarette rack 3 , a third cigarette rack 4 and a lifting mechanism 5 .

[0041] like Figure 1As shown, the first tobacco rack 2 is fixedly arranged, and at least one tobacco hopper 6 can be placed on it; the second tobacco rack 3 can be placed on it, and at least one tobacco hopper 6 can be placed on it; the third tobacco rack 4 can be placed on it, and at least one tobacco hopper 6 can be placed on it. In this embodiment, the first tobacco rack 2, the second tobacco rack 3 and the third tobacco rack 4 are each provided with two tobacco hoppers 6. In the initial state, the tobacco hoppers 6 placed on the third tobacco rack 4, the second tobacco rack 3 and the first tobacco rack 2 are stacked in sequence from top to bottom.

[0042] like Figure 1 and Figure 2 As shown, the first cigarette rack 2 is mounted on the bearing bracket, the second cigarette rack 3 is slidably mounted on the first cigarette rack 2 , and the third cigarette rack 4 is slidably mounted on the second cigarette rack 3 .

[0043] like Figure 2 As shown, in this embodiment, the first cigarette rack 2 specifically includes a first cigarette rack body 21, which is a frame structure, specifically a U-shaped frame structure, with first guide grooves 24 provided in the two side brackets; and a plurality of fixed brackets 22 are also provided on the two side brackets for fixed connection with the load-bearing brackets.

[0044] Specifically, the two vertical support rods of the first cigarette rack 2 are support rods with a U-shaped cross section, and the first guide groove 24 is located on the inner side of the support rod; the fixed bracket 22 is arranged on the outer side of the support rod. In this embodiment, three fixed brackets 22 are arranged on the outer side of each vertical support rod, and the fixed connection with the bearing bracket is achieved through the fixed bracket 22 and bolts.

[0045] like Figure 3 As shown, in the present embodiment, the second cigarette rack 3 specifically includes a second cigarette rack body 31, and the second cigarette rack body 31 is a frame structure, which is also a U-shaped frame structure. Second guide wheels 34 are provided on the outer sides of the brackets arranged in the vertical direction on both sides of the second cigarette rack body 31, and the second guide wheels 34 are respectively provided at the upper and lower ends of each side bracket. The second cigarette rack body 31 cooperates with the first guide groove 24 through the second guide wheels 34, so that the second cigarette rack 3 is slidably installed on the first cigarette rack 2.

[0046] The brackets vertically arranged on both sides of the second cigarette holder body 31 are also U-shaped support rods, so second guide grooves 33 are formed inside the brackets on both sides of the second cigarette holder 3 .

[0047] like Figure 4 As shown, the third cigarette rack 4 specifically includes a third cigarette rack body 41, which is a frame structure, also a U-shaped structure, and the brackets arranged in the vertical direction on both sides are provided with a third guide wheel 43, and the second guide groove 33 cooperates with the third guide wheel 43, so as to realize the sliding installation of the third cigarette rack 4 on the second cigarette rack 3.

[0048] like Figure 4As shown, the upper crossbeam and the lower crossbeam of the third cigarette rack 4 are both provided with shock absorbers 42 to reduce damage after collision and play a buffering role.

[0049] like Figure 8 As shown, the tobacco collection device also includes a lifting mechanism 5, specifically including a winch and a noose wound thereon, the winch is arranged on the top crossbeam of the first tobacco rack 2, and the noose passes through the second tobacco rack 3 and is connected to the third tobacco rack 4; under the traction of the noose, after the third tobacco rack 4 is pulled to the first set height, it can drive the second tobacco rack 3 to rise to the second set height synchronously, so that there is a set interlayer spacing between the three-layer tobacco hopper 6. Among them, the first set height is the height when the top crossbeam of the third tobacco rack 4 contacts the top crossbeam of the second tobacco rack 3, and at this time, further lifting will drive the second tobacco rack 3 to rise synchronously. The second set height is the height when the top crossbeam of the second tobacco rack 3 contacts the top crossbeam of the first tobacco rack 2.

[0050] The self-propelled harvester of this embodiment has two collecting units symmetrically arranged on both sides, each collecting unit is provided with a first tobacco rack 2, a second tobacco rack 3 and a third tobacco rack 4, and at least one tobacco leaf hopper 6 is arranged on each tobacco rack, forming a three-layer tobacco leaf hopper, which is stacked in three layers in the initial state. In addition, a lifting mechanism 5 is configured, and when the tobacco leaf hopper 6 of the upper layer is full, it can be lifted by the lifting mechanism 5, and then the tobacco leaf hopper 6 of the next layer is filled. Therefore, the three-layer tobacco leaf hopper 6, with the cooperation of the lifting mechanism 5, increases the collection capacity of tobacco leaves, avoids unloading tobacco in the middle, and improves the harvesting efficiency.

[0051] like Figure 2 , Figure 3 and Figure 4 As shown, in vertical height, the first cigarette rack 2, the second cigarette rack 3 and the third cigarette rack 4 are successively lowered. In the initial state, the top crossbeam of the first cigarette rack 2 is the highest, the second cigarette rack 3 is the second, and the top crossbeam of the third cigarette rack 4 is the lowest.

[0052] The winch of the lifting mechanism 5 is installed on the top crossbeam of the first cigarette rack 2 , and the winch passes through the through hole on the top crossbeam of the second cigarette rack 3 and is connected to the lifting lug on the top crossbeam of the third cigarette rack 4 .

[0053] The third cigarette rack 4, the second cigarette rack 3 and the first cigarette rack 2 are all provided with transverse support rails and are arranged in sequence from top to bottom, and the tobacco leaf hoppers 6 of each layer are arranged on the support rails. The first cigarette rack 2 is provided with a first support rail 23, the second cigarette rack 3 is provided with a second support rail 32, and the third cigarette rack 4 is provided with a third support rail 44. When setting it specifically, it is necessary to ensure that the third support rail 44 is located above the second support rail 32 in the initial state, and the second support rail 32 is located above the first support rail 23. In this embodiment, the two tobacco leaf hoppers 6 of each layer are arranged on the support rails without overlapping. For example, after the tobacco leaf hoppers on a certain layer of the support rail are full, they can be pushed to the rear end of the support rail, and then the second tobacco leaf hopper of the layer can be filled. Only one tobacco leaf hopper can be placed on each layer at the beginning. When two are needed, another tobacco leaf hopper can be hung on the support rail. After the first one is full, it is pushed to the rear end, and then the second one is collected. Initially, two tobacco leaf hoppers can also be placed on each layer, depending on the actual situation.

[0054] In this embodiment, two hooks are provided on the upper part of each tobacco hopper 6, which are connected to the supporting slide rails through the hooks.

[0055] In this embodiment, the third tobacco rack 4, the second tobacco rack 3 and the first tobacco rack 2 are all provided with transverse supporting rails and are arranged in sequence from top to bottom. The tobacco hoppers 6 of each layer are set on the supporting rails. The setting of the supporting rails allows each tobacco rack to carry more tobacco hoppers 6, so that the device can store and transport more tobacco.

[0056] In this embodiment, the tobacco hopper 6 is a U-shaped structure, and the upper opening size is larger than the bottom size, the inner wall is smooth, and the whole is a thin plate structure.

[0057] like Figure 5 As shown, the three supporting rails have the same structure. This embodiment is described using the first supporting rail 23 , which includes a rail body 231 , a baffle 232 , an anti-slip plate 233 , an anti-return baffle 234 , and a fixed sleeve 235 .

[0058] The slide rail body 231 is provided with a rail groove, in which the hook of the tobacco hopper 6 can be placed. The hook can slide in the groove, and the top of each tobacco hopper 6 is hung in the rail groove through the hooks at both ends.

[0059] The baffle 232 is arranged at the rear end of the track groove to prevent the hook from falling out from the rear end and limit the sliding distance of the tobacco hopper 6 to the rear end. The anti-slip plate 233 is arranged at the middle lateral position of the slide rail body 231. The anti-slip plate 233 is L-shaped, so it can form an abutment plate above the track groove, and the height is just enough to support a hook of the tobacco hopper 6 from above to prevent the hook from falling out from the top of the track groove.

[0060] The anti-return baffle 234 is arranged in the track groove, one end of which is fixed to the track groove, and the other end is inclined to extend in the middle position of the track groove in the width direction. The purpose is to allow the hook to pass through the anti-return baffle 234 in one direction. When the hook slides in the opposite direction, the anti-return baffle 234 can block the hook. Therefore, the anti-return baffle 234 can prevent the tobacco hopper 6 at the rear end from returning to the front end.

[0061] like Figure 6 As shown, the fixed sleeve 235 is arranged at the front end of the track groove. When the first tobacco hopper 6 is hung in the track groove by a hook, the hook at the front end first cooperates with the fixed sleeve 235, that is, the hook 8 is hung in the fixed sleeve 235, which can prevent the tobacco hopper 6 from sliding randomly. When the first tobacco hopper 6 is full of tobacco leaves, the hook here is lifted, the tobacco hopper 6 is slid backward, and the hook is hung in the track groove again. At this time, the first tobacco hopper 6 can slide backward.

[0062] It is understandable that after the first tobacco hopper 6 is full of tobacco leaves, it slides backwards, and the hook at the rear end of the first tobacco hopper 6 is blocked by the baffle 232. The distance from the anti-slip plate 233 to the baffle 232 is equal to the distance between the two hooks on the tobacco hopper 6. Therefore, when the first tobacco hopper 6 is full of tobacco leaves and slides to the rear end of the track groove, the hook at the rear end is blocked by the baffle 232, and the hook 8 at the front end is restricted by the anti-slip plate 233. Then, the second tobacco hopper 6 is assembled, and the hook at the front end of the second tobacco hopper 6 is fixed with the fixed sleeve 235. At this time, the hook at the rear end of the second tobacco hopper 6 can also be located at the track groove below the anti-slip plate 233, and the two tobacco hoppers 6 can abut each other, so that the position of the tobacco hopper 6 on the slide rail body 231 can be relatively fixed, and the tobacco hopper 6 will not fall off due to the bumps when the self-propelled harvester moves forward, thereby ensuring safety during the harvesting process.

[0063] Embodiment 2

[0064] This embodiment provides a working method of the vehicle-mounted hopper-type tobacco leaf collecting device according to the first embodiment, comprising the following steps: Figure 1 and Figure 7 As shown:

[0065] Initially, the tobacco hoppers 6 placed on the third tobacco rack 4, the second tobacco rack 3 and the first tobacco rack 2 are stacked in sequence from top to bottom; the manually collected tobacco leaves 7 are first stacked in the tobacco hopper 6 on the third tobacco rack 4 in order, and when they are full (the tobacco hoppers with serial numbers 1 and 2 are stacked in sequence), the noose is started to pull the third tobacco rack 4, and the full tobacco hopper 6 on it is raised to the traction position of the second tobacco rack 3, that is, the first set height; the tobacco leaves 7 picked in succession continue to be stacked in the tobacco hopper 6 on the second tobacco rack 3, and when they are full (the tobacco hoppers with serial numbers 3 and 4 are stacked in sequence), the noose is started to pull the third tobacco rack 4 and the second tobacco rack 3 to rise synchronously to the set position, that is, the second set height; the picked tobacco leaves 7 are subsequently stacked in the tobacco hopper 6 on the first tobacco rack 2 (the tobacco hoppers with serial numbers 5 and 6 are stacked in sequence).

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vehicle-mounted hopper-type tobacco leaf collecting device, characterized in that: A self-propelled harvester is provided with a supporting frame, and a collecting unit is provided on both sides of the supporting frame. Each collecting unit comprises: A first tobacco rack is fixedly arranged, on which at least one tobacco leaf hopper can be placed; a second tobacco rack, on which at least one tobacco leaf hopper can be placed; A third tobacco rack, on which at least one tobacco hopper can be placed; in an initial state, the third tobacco rack, the second tobacco rack and the tobacco hoppers placed on the first tobacco rack are stacked in sequence from top to bottom; The lifting mechanism has a noose, which passes through the second tobacco rack and is connected to the third tobacco rack. Under the traction of the noose, after the third tobacco rack is lifted to the first set height, the second tobacco rack can be driven to rise synchronously to the second set height, so that there is a set layer spacing between the three layers of the tobacco leaf hoppers.

2. A vehicle-mounted hopper-type tobacco leaf collecting device according to claim 1, characterized in that: The first cigarette rack is mounted on the bearing bracket, the second cigarette rack is slidably mounted on the first cigarette rack, and the third cigarette rack is slidably mounted on the second cigarette rack.

3. A vehicle-mounted hopper-type tobacco leaf collecting device according to claim 2, characterized in that: The first cigarette rack is a frame structure, and first guide grooves are arranged in the brackets on both sides; the second cigarette rack is a frame structure, and second guide wheels are arranged outside the brackets on both sides, and the first guide grooves cooperate with the second guide wheels.

4. A vehicle-mounted hopper-type tobacco leaf collecting device according to claim 3, characterized in that: The third cigarette rack is a frame structure, and third guide wheels are arranged on both side brackets. Second guide grooves are arranged inside the both side brackets of the second cigarette rack, and the second guide grooves cooperate with the third guide wheels.

5. A vehicle-mounted hopper-type tobacco leaf collecting device according to claim 4, characterized in that: The lifting mechanism is installed on the top crossbeam of the first cigarette rack, and the noose passes through the top crossbeam of the second cigarette rack and is connected to the top crossbeam of the third cigarette rack.

6. A vehicle-mounted hopper-type tobacco leaf collecting device according to claim 1, characterized in that: The third tobacco rack, the second tobacco rack and the first tobacco rack can each be provided with two tobacco leaf hoppers.

7. A vehicle-mounted hopper-type tobacco leaf collecting device according to claim 6, characterized in that: The third tobacco rack, the second tobacco rack and the first tobacco rack are all provided with transverse supporting slide rails and are arranged in sequence from top to bottom, and the tobacco leaf hoppers of each layer are arranged on the supporting slide rails.

8. A vehicle-mounted hopper-type tobacco leaf collecting device according to claim 7, characterized in that: A hook is provided on the upper portion of each tobacco leaf hopper, and is connected to the supporting slide rail via the hook.

9. A vehicle-mounted hopper-type tobacco leaf collecting device according to claim 8, characterized in that: The tobacco leaf hopper is a U-shaped structure.

10. The working method of the vehicle-mounted hopper-type tobacco leaf collecting device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Initially, the tobacco hoppers placed on the third tobacco rack, the second tobacco rack and the first tobacco rack are stacked in sequence from top to bottom; the manually collected tobacco leaves are first stacked in the tobacco hopper on the third tobacco rack in order, and when they are full, the noose is started to pull the third tobacco rack, and the full tobacco hopper on it is raised to the traction position of the second tobacco rack; the tobacco leaves picked in succession continue to be stacked in the tobacco hopper on the second tobacco rack, and when they are full, the noose is started to pull the third tobacco rack and the second tobacco rack to rise synchronously to the set position; the picked tobacco leaves are subsequently stacked in the tobacco hopper on the first tobacco rack.

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