Tobacco leaf harvesting machine

Abstract

The utility model belongs to the technical field of tobacco harvesting mechanical equipment, and particularly relates to a tobacco leaf harvesting machine. The harvesting machine comprises a machine frame provided with walking wheels and a tobacco leaf collecting mechanism arranged on the machine frame. Traveling wheels are arranged at the bottom of the rack, and the number of the traveling wheels is three or four. And a seat is arranged at the tail end of the rack in an extending manner. The collecting mechanism is arranged at the front end of the rack and comprises a first collecting frame, a second collecting frame arranged in the first collecting frame and a protection assembly. The tobacco leaf harvesting machine belongs to a single-person tobacco leaf harvesting machine and has the main technical advantages that compared with existing medium-large tobacco leaf harvesting equipment, the tobacco leaf harvesting machine is small and exquisite in size and suitable for being used in various tobacco leaf harvesting operation spaces, especially small-site tobacco leaf harvesting operation spaces, the volume of the tobacco leaf collecting bin is adjustable, the tobacco leaf harvesting requirement can be well met, and the tobacco leaf harvesting efficiency is improved. Therefore, the tobacco leaf picking operation efficiency can be improved. The equipment is reasonable in overall structural design and wide in application range.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tobacco harvesting mechanical equipment technical field, concretely relates to a tobacco leaf harvesting machine. BACKGROUND

[0002] Tobacco leaf is an economic crop with leaf as the main utilization object, and the stem height can reach 2 meters. Based on factors such as tobacco leaf quality and maturity period, economic benefit, etc., when tobacco leaf is picked, manual picking is usually carried out in the mode of'manual work + picking according to maturity'. But such picking mode has high labor intensity and low efficiency. In the prior art, there is also an attempt to use large mechanical equipment to carry out picking operation at the same time, but the quality of tobacco leaf picked by this mode is not the same, subsequent manual grading is still needed, and the mode is limited by terrain, so this large mechanical picking operation mode still lacks good popularization. SUMMARY

[0003] The present application aims to provide a tobacco leaf harvesting machine to improve the picking efficiency as much as possible when tobacco leaf is picked manually.

[0004] The technical scheme provided by the present application is as follows.

[0005] A tobacco leaf harvesting machine comprises a rack provided with walking wheels and a tobacco leaf collecting mechanism arranged on the rack.

[0006] The rack is provided with walking wheels at the bottom, and the walking wheels can be designed as three or four to ensure the stability of the whole harvesting machine during the process of standing still or running. At the same time, a seat is arranged at the end of the rack to reduce the labor intensity of the operator during the process of tobacco leaf harvesting.

[0007] In the preferred design, the bottom of the rack is also provided with a driving device for driving the walking wheels to walk, and the driving device can use electric power or fossil fuel (such as gasoline, diesel oil, etc.) as power fuel. In addition, an oil door (or an electric door) for controlling the power output of the driving device and a brake device are arranged on the rack.

[0008] The collecting mechanism is arranged at the front end of the rack and comprises a first collecting frame, a second collecting frame arranged inside the first collecting frame, and a protection assembly.

[0009] The first collecting frame is composed of a semicircular first collecting cover and a rectangular cavity fixedly connected with the first collecting cover. The bottom of the first collecting frame is provided with a door on one side or both sides to facilitate the removal of the harvested tobacco leaf after the harvesting is completed.

[0010] The second collecting frame can be placed inside the first collecting frame, and the top of the second collecting frame is an open end and is composed of a semicircular second collecting cover and a rectangular cavity fixedly connected with the second collecting cover. In use, the second collecting frame can be assembled with the first collecting frame as a whole by using the protection assembly.

[0011] The protective component is located at the top of the first collection frame; it includes: an I-shaped first limiting shell that is inserted into the upper part of the first collection frame (the first limiting shell can directly seal the top) and a second limiting shell that matches the top of the first collection frame (similarly, it can be fixed to the top of the first limiting shell by insertion), and when the first collection frame and the second collection frame are used in combination, the second limiting shell can be used to seal the top of the second collection frame.

[0012] In the preferred design, the lower part of the rectangular cavity of the first collection frame is provided with an outwardly protruding fixing groove, which works in conjunction with the outwardly protruding block at the bottom of the second collection frame to enhance the stability of the second collection frame when it is built into the first collection frame.

[0013] In the preferred design, the top of the second collection box is provided with a "wing-shaped" handle to facilitate gripping when the second collection box is separated from the first collection box.

[0014] In a preferred design, the end of the first limiting shell is provided with an upwardly extending fixing plate to enhance the connection and fixation between the first collection frame and the second collection frame.

[0015] In the preferred design, a connecting frame is provided at the rear of the rectangular cavity of the first collection frame. At the same time, a card plate is provided inside the connecting frame to fix the first collection frame and the second collection frame (the card plate can be moved and placed, and its size is adapted to the size of the inlet at the end of the rectangular cavity of the second collection frame when the tobacco leaves are picked. When the second collection frame is placed above the first collection frame for combined use, the card plate is used to block the inlet at the end of the rectangular cavity of the second collection frame when the tobacco leaves are picked. In a specific design, for example, a U-shaped connecting strip is designed at the inlet, and then the card plate can be directly inserted).

[0016] The tobacco harvester provided in this application is a single-person tobacco harvesting machine. Its main technical advantages are: compared with existing medium and large-sized tobacco harvesting equipment, the tobacco harvester of this application is relatively compact in size, making it suitable for various tobacco harvesting operations, especially in small-site areas. Furthermore, its tobacco collection bin volume is adjustable (it can be used with just one collection box or two collection boxes combined), which can better meet the needs of tobacco harvesting, thereby helping to improve the efficiency of tobacco harvesting operations. Due to the reasonable overall structural design and wide applicability of the equipment, it has good practical value and significance for promotion and application. Attached Figure Description

[0017] Figure 1 A three-dimensional structural diagram of the side elevation of the tobacco harvester provided in this application;

[0018] Figure 2 This is a three-dimensional structural diagram of the front elevation of the tobacco harvester provided in this application;

[0019] Figure 3 The side cutting structure schematic diagram of the tobacco harvesting machine provided by the present application is shown in the figure;

[0020] Figure 4 The vertical cutting structure schematic diagram of the tobacco harvesting machine provided by the present application is shown in the figure. DETAILED DESCRIPTION

[0021] The present application will be further explained and described in connection with the embodiments. EMBODIMENT

[0022] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , the tobacco harvesting machine provided by the present application comprises a rack provided with walking wheels 6 and a tobacco collecting mechanism provided on the rack;

[0023] The rack is provided with walking wheels 6 at the bottom, which can be designed as three or four to ensure the stability of the whole harvesting machine during the process of being stationary or running. At the same time, a seat 5 is provided at the end of the rack to reduce the labor intensity of the operator during the process of harvesting tobacco;

[0024] In the preferred design, the bottom of the rack is also provided with a power driving device 8 for driving the walking wheels 6 to walk. The driving device 8 can use electricity or fossil fuel (such as gasoline, diesel oil, etc.) as power fuel. In addition, an accelerator (or an electric door) and a brake device for controlling the power output of the driving device 8 are designed on the rack (the related design can refer to the conventional design of the prior art, which will not be described here).

[0025] The collecting mechanism is provided at the front end of the rack and comprises a first collecting frame, a second collecting frame provided inside the first collecting frame, and a protection assembly;

[0026] The first collecting frame is composed of a semicircular first collecting cover 1 and a rectangular cavity fixedly connected with the first collecting cover 1. The two sides of the first collecting cover 1 are provided with switch doors (not marked separately in the figure) which are used to open and close the first collecting cover 1. Figure 1 、 Figure 2 The "long rectangle" above the walking wheels in the figure, which is not marked separately.

[0027] The second collecting frame can be placed inside the first collecting frame, and the top of the second collecting frame is an open end, which is composed of a semicircular second collecting cover 7 and a rectangular cavity fixedly connected with the second collecting cover 7. In use, the second collecting frame can be assembled with the first collecting frame as a whole by using the protection assembly.

[0028] The protective component is located at the top of the first collection frame; it includes: an I-shaped first limiting shell 2 inserted into the upper part of the first collection frame (the first limiting shell 2 can directly seal the top) and a second limiting shell 3 matching the top of the first collection frame (similar, it can be fixed to the top of the first limiting shell 2 by plugging). When the first collection frame and the second collection frame are used in combination, the second limiting shell 3 can be used to seal the top of the second collection frame 7.

[0029] In the preferred design, the lower part of the rectangular cavity of the first collection frame is provided with an outwardly protruding fixing groove, which works in conjunction with the outwardly protruding block at the bottom of the second collection frame to enhance the stability of the second collection frame when it is built into the first collection frame.

[0030] In a further optimized design, the top of the second collection box is provided with a "wing-shaped" handle to facilitate gripping when the second collection box is separated from the first collection box.

[0031] In a further optimized design, the first limiting shell 2 has an upwardly extending fixing plate at its end. Figure 1 , 2 The top-extending long plates in 3 and 4 (no longer individually numbered) are used to enhance the connection and fixation between the first collection box and the second collection box.

[0032] In another preferred design, a connecting frame 4 is provided at the rear of the rectangular cavity of the first collection frame. At the same time, a card plate is provided in the connecting frame 4 to fix the first collection frame and the second collection frame (the card plate can be moved and placed, and the size of the card plate is adapted to the size of the tobacco leaf feeding port at the end of the rectangular cavity of the second collection frame when the tobacco leaves are picked. When the second collection frame is placed above the first collection frame for combined use, the card plate is used to block the tobacco leaf feeding port at the end of the rectangular cavity of the second collection frame (i.e., the opening between 3 and 4 in the figure, which is not labeled separately). In a specific design, for example, a U-shaped connecting strip is designed at the feeding port, and then the card plate is directly inserted).

[0033] In specific use, after the tobacco harvesting machine is opened to the tobacco harvesting site, the harvesting personnel can sit on the seat 5 to harvest tobacco, and during the harvesting process, the tobacco harvesting machine can be moved forward and backward by mechanical power or manpower. During harvesting, the tobacco is first put into the second collecting frame from the rear of the second collecting frame, and when the second collecting frame is basically filled, the second limiting shell 3 (i.e., the top opening is opened), and the second collecting frame is pulled out of the first collecting frame by the handle. Subsequently, the second collecting frame is sealed at the top by the second limiting shell 3, and the tobacco put-in opening at the rear of the second collecting frame (i.e., the end close to the manual tobacco put-in) is sealed by the card board in the connecting frame 4. After the sealing is completed, the second collecting frame is placed on the first limiting shell 2 on the top of the first collecting frame, and is appropriately fixed (for example, a threaded through hole is arranged at the bottom of the first collecting frame, and a through hole is arranged on the fixing plate at the rear of the first limiting shell 2, and then the second collecting frame is fixed by a bolt). After the fixing is completed, the post-harvest tobacco can be continuously put into the first collecting frame (after the card board is used to seal the put-in opening of the second collecting frame, the corresponding position of the first collecting frame is an opening, which can be used as a tobacco put-in opening). After the first collecting frame is also filled with harvested tobacco, the harvested tobacco can be directly taken out from the opening door arranged at the bottom of the first collecting frame, and for the tobacco harvested by the second collecting frame, the second collecting frame can be separated from the first collecting frame, and then the second limiting shell 3 at the top is directly opened, and the tobacco can be directly poured out.

Claims

1. A tobacco harvester characterized by, The harvester comprises a frame provided with traveling wheels and a tobacco leaf collecting mechanism arranged on the frame; The frame is provided with traveling wheels at the bottom, and the traveling wheels are designed as three or four to ensure the stability of the whole harvester during the static state or operation; meanwhile, a seat is arranged at the end of the frame; The collecting mechanism is arranged at the front end of the frame and comprises a first collecting frame, a second collecting frame arranged inside the first collecting frame, and a protection assembly; The first collecting frame is composed of a semicircular first collecting cover and a rectangular cavity fixedly connected with the first collecting cover; The second collecting frame is arranged inside the first collecting frame and has an open top and is composed of a semicircular second collecting cover and a rectangular cavity fixedly connected with the second collecting cover; during use, the second collecting frame can be assembled into one body with the first collecting frame by the protection assembly; The protection assembly is arranged at the top of the first collecting frame and comprises a first limiting shell in the shape of a "H" character inserted on the upper part of the first collecting frame and a second limiting shell matched with the top of the first collecting frame; when the first collecting frame and the second collecting frame are combined, the second limiting shell can be used to block the top of the second collecting frame.

2. The tobacco harvester of claim 1 wherein, The bottom of the frame is provided with a driving device for driving the traveling wheels to travel, the driving device uses electric power or fossil fuel as power fuel, and a supporting throttle or switch and brake device for controlling the power output of the driving device are designed on the frame.

3. The tobacco harvester of claim 1 wherein, The lower part of the rectangular cavity of the first collecting frame is provided with an outwardly protruding fixing clamping groove matched with the outwardly protruding block at the bottom of the second collecting frame to enhance the stability of the second collecting frame when arranged in the first collecting frame.

4. The tobacco harvester of claim 1 wherein, The top of the second collecting frame is provided with a "wing ear" shaped handle to facilitate the separation of the second collecting frame from the first collecting frame.

5. The tobacco harvester of claim 1 wherein, The rear part of the rectangular cavity of the first collecting frame is provided with a connecting frame, and meanwhile, the connecting frame is provided with a clamping plate for fixing the first collecting frame and the second collecting frame.

Images