Leaf vegetable harvesting trolley

Abstract

The utility model discloses a leaf vegetable harvesting trolley, which relates to the technical field of agricultural harvesters and comprises an advancing mechanism, a conveying mechanism, a cutting mechanism, a seedling pulling mechanism and a collecting mechanism. Wherein two mounting vertical plates which are symmetrically arranged are fixed to the advancing mechanism, the conveying mechanism is mounted between the two mounting vertical plates, the conveying mechanism is obliquely arranged, the cutting mechanism and the seedling pulling mechanism are both mounted on the two mounting vertical plates, the cutting mechanism and the seedling pulling mechanism are both located on one side of the lower end of the conveying mechanism, and the cutting mechanism and the seedling pulling mechanism are located on the other side of the lower end of the conveying mechanism. The collecting mechanism is arranged on one side of the high end of the conveying mechanism, the cutting mechanism cuts leafy vegetables, the seedling pulling mechanism pulls the cut leafy vegetables to the transmission mechanism, and the transmission mechanism conveys the leafy vegetables into the collecting mechanism to be stored. The double-blade cutting knife is adopted in the cutting part, the cutting effectiveness and the stability of the cutting device can be improved through reciprocating cutting of the double blades, and the harvesting efficiency and quality are improved from the source.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural harvesters, in particular to a leaf vegetable harvesting trolley. Background Art

[0002] In recent years, vegetable planting technology has made major breakthroughs, and the rapid development of irrigation and protection technology has also greatly increased the yield of vegetables. However, the working environment during agricultural harvesting is harsh and the actual working conditions are complex. In addition, the growth mode, planting area, and growth degree of various leafy vegetables will have different effects on the harvesting effect of leafy crops. Leafy vegetables grow fast, have strong harvesting timeliness, and have relatively strict requirements on the quality of harvesting. The research progress of mechanized harvesting of vegetables is relatively slow. Traditional leafy vegetable harvesting equipment mainly relies on agricultural machinery operators to make "subjective" judgments and adjustments based on the working status of the crop harvester, the growth of crops during harvesting, and other factors. In the actual operation process, it is easy to face the problems of poor working stability and reliability of the crop harvester, and easy mechanical failure, which affects the efficiency and quality of crop harvesting. There is still a lack of integrated intelligent operation equipment on the market. In response to the above problems, during the harvesting operation, PLC program is used to control the servo motor in closed loop to control the cutter position, automation and intelligent control technology, etc., to carry out research on adaptive control technology for the harvesting of leafy vegetables, so as to achieve the "optimal" control range for the harvest of leafy vegetables, and provide technical support for the development of agricultural mechanization and intelligentization in my country.

[0003] Existing vegetable harvesters have the following defects:

[0004] 1. The traditional single-blade, flat-type cutting device has a limited cutting range for vegetables, low cutting efficiency, and cannot guarantee the harvest quality of vegetables;

[0005] 2. The traditional fixed cutting device has poor on-site adjustability and cannot adapt to the harvesting of different crops under different harvesting conditions. It cannot guarantee the specific operating height, which affects the quality of the harvested vegetables.

[0006] 3. There is a lack of systematic management and monitoring of the operation of agricultural machinery and various status parameters, and the human-machine interaction is poor;

[0007] 4. The traditional method of tilling has poor adjustability, cannot adapt to the complex requirements of supporting seedlings, and is not good for protecting vegetables. Summary of the invention

[0008] The utility model aims to provide a leaf vegetable harvesting trolley, which solves the problems that a traditional single-blade, flat-type cutting knife device has a limited cutting range for vegetables, low cutting efficiency, and cannot guarantee the harvest quality of vegetables.

[0009] The utility model solves the above technical problems through the following technical solutions. The utility model includes a traveling mechanism, a transmission mechanism, a cutting mechanism, a pulling mechanism and a collecting mechanism; wherein:

[0010] Two symmetrically arranged mounting vertical plates are fixed on the traveling mechanism, the conveying mechanism is installed between the two mounting vertical plates, and the conveying mechanism is arranged in an inclined manner, the cutting mechanism and the pulling mechanism are both installed on the two mounting vertical plates, and the cutting mechanism and the pulling mechanism are both located on one side of the lower end of the conveying mechanism, and the collecting mechanism is arranged on one side of the high end of the conveying mechanism, the cutting mechanism cuts leafy vegetables, the pulling mechanism pulls the cut leafy vegetables to the transmission mechanism, and the transmission mechanism transfers the leafy vegetables to the collecting mechanism for storage.

[0011] Preferably, the travel mechanism comprises a chassis, two first motors, two driving wheels and two driven wheels; wherein:

[0012] The two first motors are both installed at one end of the base frame, the two driving wheels are both rotatably installed on both sides of the base frame, and the two driving wheels are respectively driven to rotate by the two first motors, and the two driven wheels are both rotatably installed on the other end of the base frame.

[0013] Preferably, the transmission mechanism comprises a second motor, a pulley, two rotating shafts and a transmission belt; wherein:

[0014] The two rotating shafts are both rotatably installed between two mounting vertical plates, the conveyor belt is wound around the two rotating shafts, the second motor is installed on one of the mounting vertical plates, and the second motor is connected to one of the rotating shafts through a pulley.

[0015] Preferably, a plurality of ribs are provided on the conveyor belt, and the plurality of ribs are evenly distributed along the transmission direction of the conveyor belt.

[0016] Preferably, the cutting mechanism comprises a tool slide rail, two cutting blades, a third motor, a first mounting frame, a linkage push plate and an eccentric wheel; wherein:

[0017] The tool slide rail is installed at one end of two mounting vertical plates, one of the cutting blades is fixed to the tool slide rail, and the other cutting blade is slidably arranged along the length direction of the tool slide rail, and the two cutting blades are arranged in close proximity, the third motor is fixed to one side of the tool slide rail through the first mounting bracket, the eccentric wheel is fixed to the output end of the third motor, the linkage push plate is fixedly connected to the sliding cutting blade, a concave cavity is opened on the upper surface of the linkage push plate, and the eccentric wheel is located in the concave cavity.

[0018] Preferably, the leafy vegetable harvesting trolley further comprises a lifting mechanism, which comprises an electric slide, a vertical rod, a lifting frame and a fixing bolt; wherein:

[0019] The electric slide is fixed to one end of a vertical plate installed on one side, the vertical rod is fixed to one end of a vertical plate installed on the other side, the lifting frame is slidably installed on the vertical rod, the fixing bolt is threadedly connected to the lifting frame and abuts against the vertical rod, and the two ends of the tool slide rail are respectively fixed to the moving end of the electric slide and the lifting frame.

[0020] Preferably, the pulling mechanism comprises a bracket, two support frames, a rotating shaft, a plurality of pulling rods and a fourth motor; wherein:

[0021] The two support frames are respectively fixed to one end of two mounting vertical plates, the rotating shaft is rotatably mounted on the two support frames, a plurality of the pulling rods are annularly distributed on the rotating shaft, the bracket is fixed to one of the support frames, and the fourth motor is fixed to the bracket, and the fourth motor is fixedly connected to the rotating shaft.

[0022] Preferably, a plurality of second mounting frames are fixed on both sides of the rotating shaft, and the second mounting frames include an extension rod and two mounting plates, the extension rod is fixed to the outside of the rotating shaft, the two mounting plates are fixed to the extension rod, and the two mounting plates are provided with corresponding through holes, and the two ends of the pulling rod are respectively bent to form plug-in parts parallel to the extension rod, and the plug-in parts at both ends of the pulling rod are respectively plugged into the through holes of the second mounting frames on both sides, and a butterfly screw is threadedly connected to the extension rod, and the butterfly screw is fixed in contact with the plug-in part.

[0023] Preferably, the collection mechanism comprises a collection box, a slide plate and a support seat; wherein:

[0024] The support seat is fixed on the upper side of the traveling mechanism, the collecting box is placed on the support seat, the slide plate is fixed on the upper edge of the collecting box, and the slide plate is close to the side of the conveying mechanism.

[0025] Preferably, a control panel is installed on the outer side of one of the vertical mounting plates, which is used to control the operation of the traveling mechanism, the conveying mechanism, the cutting mechanism and the pulling mechanism.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] 1. The cutting part adopts a double-blade cutter. The reciprocating cutting of the double blades can improve the cutting effectiveness and the stability of the cutting device, thereby improving the harvesting efficiency and quality from the source.

[0028] 2. The blade group is at a certain angle to the horizontal ground, which has a certain ability to support and move vegetables, thereby improving the harvesting effect.

[0029] 3. The cutting part is connected to a servo motor controlled by PLC, which can realize an electric lifting slide with automatic closed-loop control. After determining the parameters according to the actual harvesting needs, the slide can be moved up and down through the PLC control program to adjust the height of the cutter from the ground and the cutting speed of the cutting blade, thereby improving environmental adaptability.

[0030] 4. The retractable reel can change the reel length by adjusting the relative position of the reel bar and the vertical bar according to the growth of leafy vegetables, helping to improve the harvest quality.

[0031] 5. The use of integrated control and operation panel improves the human-machine interaction and intelligent features of the equipment, making it easier to use and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 is a schematic diagram of the structure of the cutting mechanism;

[0034] Figure 3 It is a structural schematic diagram of the lifting mechanism;

[0035] Figure 4 It is a structural schematic diagram of the rice pulling mechanism;

[0036] Figure 5 It is a structural schematic diagram of the transmission mechanism;

[0037] Figure 6 It is a schematic diagram of the structure of the collection mechanism;

[0038] Figure 7 It is a structural schematic diagram of the traveling mechanism;

[0039] Figure 8 for Figure 4 A is an enlarged structural diagram of FIG.

[0040] The numbers in the figure represent:

[0041] 1-travel mechanism; 11-first motor; 12-underframe; 13-driving wheel; 14-driven wheel; 2-transmission mechanism; 21-second motor; 22-pulley; 23-conveyor belt; 24-rib; 3-cutting mechanism; 31-tool slide rail; 32-cutting blade; 33-third motor; 34-first mounting frame; 35-eccentric wheel; 36-linked push plate; 4-grain pulling mechanism; 41-fourth motor; 42-rotating shaft; 43-grain pulling rod; 44-support frame; 46-second mounting frame; 47-butterfly screw; 5-lifting mechanism; 51-electric slide; 52-lifting frame; 53-fixing bolt; 6-collecting mechanism; 61-slide plate; 62-collecting box; 63-support seat; 7-control panel. DETAILED DESCRIPTION

[0042] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0043] This embodiment provides a technical solution: a leaf vegetable harvesting vehicle, such as Figure 1-8 As shown, it includes a traveling mechanism 1, a conveying mechanism 2, a cutting mechanism 3, a lifting mechanism 5, a pulling mechanism 4 and a collecting mechanism 6.

[0044] Two symmetrically arranged mounting vertical plates are fixed on the traveling mechanism 1, and there is a certain distance between the mounting vertical plates. The specific size is set according to needs. The conveying mechanism 2 is installed between the two mounting vertical plates, and the conveying mechanism 2 is inclined, one end of which is the low end, the other end is the high end, and the front side is the low end, so as to facilitate the transmission of leafy vegetables upward and backward.

[0045] The cutting mechanism 3 and the pulling mechanism 4 are both installed on two mounting vertical plates, and the cutting mechanism 3 and the pulling mechanism 4 are both located on one side of the lower end of the conveying mechanism 2 (i.e., the front side of the trolley), and the collecting mechanism 6 is arranged on one side of the higher end of the conveying mechanism 2 (i.e., the rear side of the trolley). The cutting mechanism 3 cuts leafy vegetables, and the pulling mechanism 4 pulls the cut leafy vegetables to the transmission mechanism. The pulling mechanism 4 and the cutting mechanism 3 are both transmission mechanisms at the lower end, and the leafy vegetables can be pulled to the transmission mechanism through the pulling mechanism 4. The transmission mechanism can transmit the leafy vegetables upward until they are transmitted to the collecting mechanism 6 for storage, thereby facilitating the centralized storage of the leafy vegetables. The lifting mechanism 5 is used to adjust the height of the cutting mechanism 3, and is suitable for different leafy vegetables. A control panel 7 is installed on the outer side of one of the mounting vertical plates, which is used to control the operation of the traveling mechanism 1, the conveying mechanism 2, the cutting mechanism 3, the pulling mechanism 4 and the cutting mechanism 3, thereby improving the human-machine interaction and intelligent characteristics of the equipment, and facilitating use and maintenance.

[0046] The travel mechanism 1 includes a base frame 12, two first motors 11, two driving wheels 13 and two driven wheels 14; the two first motors 11 are both installed at one end of the base frame 12, the two driving wheels 13 are both rotatably installed on both sides of the base frame 12, and the two driving wheels 13 are respectively driven to rotate by the two first motors 11. The first motor 11 drives the two driving wheels 13 to rotate, thereby driving the vehicle to move. When turning is required, it can be achieved through the rotation difference of the two first motors 11. The two driven wheels 14 are both rotatably installed at the other end of the base frame 12, and cooperate with the two driving wheels 13 to realize the movement of the vehicle.

[0047] The conveying mechanism 2 includes a second motor 21, a pulley 22, two rotating shafts and a conveyor belt 23; the two rotating shafts are rotatably installed between two mounting vertical plates, and the two rotating shafts are not on the same horizontal line, and the height of the rotating shaft located in the forward direction of the trolley is lower, and the conveyor belt 23 is wound around the two rotating shafts, that is, the two rotating shafts will be driven to rotate synchronously by the conveyor belt 23, and the second motor 21 is installed on one of the mounting vertical plates, and the second motor 21 is connected to one of the rotating shafts through the pulley 22, and the pulley 22 can also be replaced by a sprocket; when the second motor 21 is running, the conveyor belt 23 is driven to rotate in a circle through the pulley 22, and the leafy vegetables fall onto the conveyor belt 23, and can be transmitted to the rear side, and finally fall to the collection mechanism 6. A plurality of ribs 24 are arranged on the conveyor belt 23, and the plurality of ribs 24 are evenly distributed along the transmission direction of the conveyor belt 23, which can increase the friction force on the surface of the conveyor belt 23 and prevent the leafy vegetables from slipping.

[0048] The cutting mechanism 3 includes a tool slide rail 31, two cutting blades 32, a third motor 33, a first mounting frame 34, a linkage push plate 36 and an eccentric wheel 35; the tool slide rail 31 is installed at one end of two mounting vertical plates, one of the cutting blades 32 is fixed to the tool slide rail 31, and the other cutting blade 32 is slidably arranged along the length direction of the tool slide rail 31, and the cutting blade 32 is tilted to the front side, and the two cutting blades 32 are fitted, that is, when the sliding cutting blade 32 moves, the two cutting blades 32 will be relatively displaced, so that the leafy vegetables can be cut, and the third motor 33 is driven by the first The mounting frame 34 is fixed to one side of the tool slide rail 31, the eccentric wheel 35 is fixed to the output end of the third motor 33, the linkage push plate 36 is fixedly connected to the sliding cutting blade 32, the upper surface of the linkage push plate 36 is provided with a concave cavity, the eccentric wheel 35 is located in the concave cavity, the diameter of the eccentric wheel 35 is adapted to the width of the inner cavity, when the third motor 33 is running, the eccentric wheel 35 is driven to rotate continuously, the eccentric wheel 35 will push the linkage push plate 36 to move back and forth along the length direction of the tool slide rail 31, thereby driving the slidably installed cutting blade 32 to move synchronously, and the two cutting blades 32 can cut the leafy vegetables.

[0049] The lifting mechanism 5 includes an electric slide 53, a vertical rod 54, a lifting frame 52 and a fixing bolt 53; the electric slide 53 is fixed to one end of a vertical plate installed on one side, the vertical rod 54 is fixed to one end of a vertical plate installed on the other side, the lifting frame 52 is slidably installed on the vertical rod 54, the fixing bolt 53 is threadedly connected to the lifting frame 52 and abuts against the vertical rod 54 to fix the lifting frame 52 and the vertical rod 54, and the two ends of the tool slide rail are respectively fixed to the moving end of the electric slide 53 and the lifting frame 52;

[0050] When the fixing bolt 53 is loosened and the moving end of the electric slide 53 is driven to move vertically, the cutting mechanism 3 can be driven to move vertically. After reaching the specified position, the fixing bolt 53 is tightened to fix the lifting frame 52. The adjustment is completed and leafy vegetables of different heights can be cut. This adjustment method takes into account electronic control while reducing costs and leaves appropriate room for height adjustment.

[0051] The pulling mechanism 4 includes two support frames 44, a rotating shaft 42, a plurality of pulling rods 43 and a fourth motor 41; the two support frames 44 are respectively fixed to one end of two mounting vertical plates, the rotating shaft 42 is rotatably mounted on the two support frames 44, a plurality of pulling rods 43 are annularly distributed on the rotating shaft 42, the fourth motor 41 is fixed to the vertical rod 54, and the fourth motor 41 is fixedly connected to the rotating shaft 42. When the rotating shaft 42 is driven to rotate continuously by the fourth motor 41, the cut leafy vegetables can be pulled to the conveyor belt 23 of the conveying mechanism 2 through the plurality of pulling rods 43.

[0052] Furthermore, in order to smoothly pull different leafy vegetables onto the conveyor belt 23, the distance between the pulling rod 43 and the rotating shaft 42 can be designed to be adjustable, and a plurality of annularly distributed second mounting frames 46 are fixed on both sides of the rotating shaft 42, and the second mounting frames 46 include an extension rod and two mounting plates, the extension rod is fixed to the outside of the rotating shaft 42, and the two mounting plates are fixed to the extension rod, and the two mounting plates are provided with corresponding through holes, and the two ends of the pulling rod 43 are respectively bent to form a plug-in portion parallel to the extension rod, and the pulling rod 43 is a U-shaped structure as a whole. The plug-in parts at both ends of the pulling rod 43 are respectively plugged into the through holes of the second mounting frames 46 on both sides. The positions of the plug-in parts and the through holes can be adjusted as needed, thereby adjusting the distance between the pulling rod 43 and the rotating shaft 42. A butterfly screw 47 is threadedly connected to the extension rod, and the butterfly screw 47 is fixedly abutted against the plug-in part to fix the pulling rod 43. If it is necessary to adjust the distance between the pulling rod 43 and the rotating shaft 42, the butterfly screw 47 is loosened to adjust the distance between the plug-in part and the second mounting frame 46.

[0053] The collecting mechanism 6 includes a collecting box 62, a slide plate 61 and a supporting seat 63; the supporting seat 63 is fixed to the upper side of the traveling mechanism 1, and the collecting box 62 is placed on the supporting seat 63, so that the collecting box 62 can be replaced, and the slide plate 61 is fixed to the upper edge of the collecting box 62, and the slide plate 61 is close to the side of the conveying mechanism 2 to guide the leafy vegetables so that the leafy vegetables fall smoothly into the collecting box 62.

[0054] The above is only a preferred embodiment of the utility model, which is only illustrative and not restrictive. Those skilled in the art understand that many changes, modifications, and even equivalences can be made within the spirit and scope defined by the claims of the utility model, but they will all fall within the scope of protection of the utility model.

Claims

1. A leafy vegetable harvesting trolley, characterized in that: It includes a traveling mechanism, a conveying mechanism, a cutting mechanism, a pulling mechanism and a collecting mechanism; wherein: Two symmetrically arranged mounting vertical plates are fixed on the traveling mechanism, the conveying mechanism is installed between the two mounting vertical plates, and the conveying mechanism is arranged in an inclined manner, the cutting mechanism and the pulling mechanism are both installed on the two mounting vertical plates, and the cutting mechanism and the pulling mechanism are both located on one side of the lower end of the conveying mechanism, and the collecting mechanism is arranged on one side of the high end of the conveying mechanism, the cutting mechanism cuts leafy vegetables, the pulling mechanism pulls the cut leafy vegetables to the transmission mechanism, and the transmission mechanism transfers the leafy vegetables to the collecting mechanism for storage.

2. The leafy vegetable harvesting trolley according to claim 1, characterized in that: The traveling mechanism comprises a chassis, two first motors, two driving wheels and two driven wheels; wherein: The two first motors are both installed at one end of the base frame, the two driving wheels are both rotatably installed on both sides of the base frame, and the two driving wheels are respectively driven to rotate by the two first motors, and the two driven wheels are both rotatably installed on the other end of the base frame.

3. The leafy vegetable harvesting trolley according to claim 1, characterized in that: The transmission mechanism comprises a second motor, a pulley, two rotating shafts and a transmission belt; wherein: The two rotating shafts are both rotatably installed between two mounting vertical plates, the conveyor belt is wound around the two rotating shafts, the second motor is installed on one of the mounting vertical plates, and the second motor is connected to one of the rotating shafts through a pulley.

4. The leafy vegetable harvesting trolley according to claim 3, characterized in that: The conveyor belt is provided with a plurality of ribs, and the plurality of ribs are evenly distributed along the transmission direction of the conveyor belt.

5. The leafy vegetable harvesting trolley according to claim 1, characterized in that: The cutting mechanism comprises a tool slide rail, two cutting blades, a third motor, a first mounting frame, a linkage push plate and an eccentric wheel; wherein: The tool slide rail is installed at one end of two mounting vertical plates, one of the cutting blades is fixed to the tool slide rail, and the other cutting blade is slidably arranged along the length direction of the tool slide rail, and the two cutting blades are arranged in close proximity, the third motor is fixed to one side of the tool slide rail through the first mounting bracket, the eccentric wheel is fixed to the output end of the third motor, the linkage push plate is fixedly connected to the sliding cutting blade, a concave cavity is opened on the upper surface of the linkage push plate, and the eccentric wheel is located in the concave cavity.

6. The leafy vegetable harvesting trolley according to claim 5, characterized in that: The leafy vegetable harvesting trolley further comprises a lifting mechanism, which comprises an electric slide, a vertical rod, a lifting frame and fixing bolts; wherein: The electric slide is fixed to one end of a vertical plate installed on one side, the vertical rod is fixed to one end of a vertical plate installed on the other side, the lifting frame is slidably installed on the vertical rod, the fixing bolt is threadedly connected to the lifting frame and abuts against the vertical rod, and the two ends of the tool slide rail are respectively fixed to the moving end of the electric slide and the lifting frame.

7. The leafy vegetable harvesting trolley according to claim 6, characterized in that: The pulling mechanism comprises two support frames, a rotating shaft, a plurality of pulling rods and a fourth motor; wherein: The two support frames are respectively fixed to one end of the two mounting vertical plates, the rotating shaft is rotatably mounted on the two support frames, a plurality of the pulling rods are annularly distributed on the rotating shaft, the fourth motor is fixed to the lifting frame, and the fourth motor is fixedly connected to the rotating shaft.

8. The leafy vegetable harvesting vehicle according to claim 7, characterized in that: A plurality of second mounting frames are fixed on both sides of the rotating shaft, and the second mounting frames include an extension rod and two mounting plates. The extension rod is fixed to the outer side of the rotating shaft, and the two mounting plates are fixed to the extension rod. The two mounting plates are provided with corresponding through holes. The two ends of the pulling rod are respectively bent to form plug-in parts parallel to the extension rod, and the plug-in parts at both ends of the pulling rod are respectively plugged into the through holes of the second mounting frames on both sides. A butterfly screw is threadedly connected to the extension rod, and the butterfly screw is fixed in contact with the plug-in part.

9. The leafy vegetable harvesting vehicle according to claim 1, characterized in that: The collection mechanism comprises a collection box, a slide plate and a support seat; wherein: The support seat is fixed on the upper side of the traveling mechanism, the collecting box is placed on the support seat, the slide plate is fixed on the upper edge of the collecting box, and the slide plate is close to the side of the conveying mechanism.

10. The leafy vegetable harvesting trolley according to any one of claims 1 to 9, characterized in that: A control panel is installed on the outer side of one of the vertical mounting plates, which is used to control the operation of the traveling mechanism, the conveying mechanism, the cutting mechanism, and the pulling mechanism.

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