CN221689328U - A cutting mechanism and a harvesting vehicle - Google Patents

Abstract

The utility model discloses a cutting mechanism, including a cutting frame, a crank mechanism is provided on the cutting frame, the crank mechanism is connected to a rocker mechanism through a first connecting rod, the upper part of the rocker mechanism is connected to the first connecting rod, and the lower part of the rocker mechanism is connected to a cutting knife. A harvesting vehicle includes a vehicle body, a conveying device is provided at the front of the vehicle body, and the cutting mechanism as described above is provided at the front end of the conveying device. It can improve agricultural production efficiency, reduce manual labor intensity, ensure harvest quality, adapt to market demand and promote agricultural modernization, and has broad market prospects.

Description

A cutting mechanism and a harvesting vehicle

Technical Field

The utility model relates to a cutting mechanism and a harvester, belonging to the technical field of agricultural machinery and equipment.

Background Art

As people's living standards improve, the requirements for the quality and yield of fruits and vegetables are constantly increasing. Faced with the huge fruit and vegetable consumer market, the traditional farming model based on manual labor is not only costly and inefficient, but also has large differences in operator skills and is easily affected by factors such as labor shortages, resulting in low quality and yield of fruits and vegetables.

Harvesters are an important part of agricultural mechanization. With the continuous development of human society, the requirements for the quality, efficiency and safety of agricultural products are getting higher and higher. Especially in recent years, consumers' demand for healthy food has increased, and the agricultural industry is also developing in the direction of high efficiency, high quality and high yield. Therefore, the development of vegetable and fruit harvesters has attracted more and more attention and attention.

Utility Model Content

The purpose of the utility model is to provide a cutting mechanism and a harvesting vehicle to address the above-mentioned problems, which can improve agricultural production efficiency, reduce manual labor intensity, ensure harvest quality, adapt to market demand and promote agricultural modernization, and have broad market prospects.

The technical solution adopted by the utility model is as follows:

A cutting mechanism comprises a cutting frame, wherein the cutting frame is provided with a crank mechanism, the crank mechanism is connected to a rocker mechanism through a first connecting rod, the upper part of the rocker mechanism is connected to the first connecting rod, and the lower part of the rocker mechanism is connected to a cutting knife.

Optionally, the rocker arm mechanism includes a first rocker arm and a second rocker arm rotatably connected to the cutting frame, the upper ends of the first rocker arm and the second rocker arm are connected by a second connecting rod, and the lower ends of the first rocker arm and the second rocker arm are connected by the cutting knife.

Optionally, the upper end of the first connecting rod is rotatably connected to the crank mechanism, and the lower end of the first connecting rod is hinged to the upper end of the first rocker arm.

Optionally, the first connecting rod and/or the second connecting rod is provided with a length fine-tuning structure.

Optionally, the cutting frame includes a "concave"-shaped frame, side panels are provided on the sides of the frame, a cavity is provided between the frame and the side panels, and the crank mechanism and the rocker mechanism are provided in the cavity and connected to the side panels.

Optionally, the inner side of the frame has corners.

Optionally, the middle portion of the cutting frame is a hollow structure that penetrates from front to back, and the blade of the cutting knife is oriented toward the front or rear.

Optionally, the crank mechanism is connected to a motor, and the motor is fixedly arranged on the cutting frame.

Optionally, connection holes are provided on the left and right sides of the cutting frame.

A harvesting vehicle comprises a vehicle body, wherein a conveying device is provided at the front of the vehicle body, and the front end of the conveying device is equipped with the cutting mechanism as described above through a connecting hole.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

1. The utility model provides a cutting mechanism in which a crank-connecting rod mechanism drives a cutting knife to realize high-speed reciprocating motion under the drive of a motor, replacing the manual push-pull operation, continuously providing the cutting knife with reciprocating motion power, and achieving the purpose of cutting vegetables and fruits.

2. The harvesting vehicle provided by the utility model can greatly increase the harvesting speed of crops. Compared with the traditional manual harvesting method, the efficiency has been greatly improved, and it has the characteristics of high efficiency, precision, and intelligence.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the three-dimensional structure of a cutting mechanism.

FIG. 2 is a schematic diagram of the internal structure of the cutting mechanism.

FIG. 3 is a schematic diagram of the rightward limit of the cutting mechanism.

FIG. 4 is a schematic diagram of the left limit of the cutting mechanism.

FIG. 5 is a schematic diagram of the three-dimensional structure of the harvesting vehicle.

Markings in the figure: 1-cutting frame, 11-frame, 111-corner, 12-side plate, 13-connecting hole, 2-crank mechanism, 3-rocker mechanism, 31-first rocker, 32-second rocker, 33-second connecting rod, 34-length fine-tuning structure, 4-first connecting rod, 5-cutting knife, 6-motor, 7-car body, 8-conveying device.

DETAILED DESCRIPTION

The utility model is described in detail below in conjunction with the accompanying drawings.

In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

A cutting mechanism, as shown in Figures 1-4, includes a cutting frame 1, on which a crank mechanism 2 is provided. The crank mechanism 2 is connected to a rocker mechanism 3 through a first connecting rod 4. The upper part of the rocker mechanism 3 is connected to the first connecting rod 4, and the lower part of the rocker mechanism 3 is connected to a cutting knife 5.

Specifically, the cutting frame 1 is used to integrate the entire cutting device into one, and other structures are fixed by the cutting frame 1, which facilitates the installation and transportation of the entire structure. The crank mechanism 2 drives the first connecting rod 4 to rotate eccentrically, and the first connecting rod 4 transmits the action to the rocker mechanism 3, thereby converting the rotational motion of the crank mechanism 2 into the swing of the rocker mechanism 3. The swing of the rocker mechanism 3 then drives the cutter 5 to reciprocate to perform the cutting action. Through the crank mechanism 2, the first connecting rod 4 and the rocker mechanism 3, the rotating part transfers energy to the connecting rod through the crank, and then the connecting rod transfers it to the rocker mechanism 3 to reciprocate. This transmission method has a simple structure, stable performance, reliable operation, long service life and low maintenance cost.

As another specific embodiment, the rocker mechanism 3 includes a first rocker arm 31 and a second rocker arm 32 rotatably connected to the cutting frame 1, the upper ends of the first rocker arm 31 and the second rocker arm 32 are connected by a second connecting rod 33, and the lower ends of the first rocker arm 31 and the second rocker arm 32 are connected by the cutting knife 5. Specifically, the first rocker arm 31, the second connecting rod 33, the cutting knife 5 and the first rocker arm 31 are all hinged. By driving one of the rockers to swing, the overall quadrilateral can be driven to swing back and forth with the rotating shafts of the rockers on both sides as fixed rotation points, so that the cutting knife 5 produces a cutting effect. Furthermore, the second connecting rod 33 and the cutting knife 5 are arranged in parallel. The first rocker arm 31, the second rocker arm 32, the second connecting rod 33 and the cutting knife 5 can form a structure that is approximately parallelogram, with high transmission accuracy, high transmission efficiency, stable and reliable transmission, and not easy to produce oscillation. Furthermore, both ends of the second connecting rod 33 are equipped with rod end joint bearings, and the lower ends of the first rocker arm 31 and the second rocker arm 32 are hinged to the cutting knife 5 through buckles.

As another specific embodiment, the upper end of the first connecting rod 4 is rotatably connected to the crank mechanism 2, and the lower end of the first connecting rod 4 is hinged to the upper end of the first rocker arm 31. Further, the first rocker arm 31 is longer than the second rocker arm 32, so that the upper end of the first rocker arm 31 can be hinged to the first connecting rod 4 after being connected to the second connecting rod 33, thereby driving the rocker mechanism 3 to swing back and forth.

As another specific embodiment, the first connecting rod 4 and/or the second connecting rod 33 are provided with a length fine-tuning structure 34. The length of the first connecting rod 4 and/or the second connecting rod 33 can be fine-tuned during assembly, thereby ensuring that the rocker mechanism 3 swings smoothly.

As another specific embodiment, the cutting frame 1 includes a "concave"-shaped frame 11, a side plate 12 is provided on the side of the frame 11, a cavity is provided between the frame 11 and the side plate 12, and the crank mechanism 2 and the rocker mechanism 3 are provided in the cavity and connected to the side plate 12. Specifically, the side plate 12 can protect the crank mechanism 2 and the rocker mechanism 3 in the frame 11 from the influence of the external environment, such as dustproof and waterproof, to ensure that the parts of the cutting mechanism can work normally in various environments. And it can make the appearance of the bracket more neat and improve the overall aesthetics of the machine.

As another specific implementation, the inner side of the frame 11 has a corner 111. By adding reinforcing ribs to the right-angle portion through the corner 111, the rigidity of the frame 11 can be improved, making the structure more stable.

As another specific embodiment, the middle part of the cutting frame 1 is a hollow structure that is through-through from front to back, and the blade of the cutting knife 5 is oriented toward the front or rear. Specifically, the first rocker arm 31, the second connecting rod 33, the second rocker arm 32 and the cutting knife 5 are respectively arranged around the hollow structure. Since the middle part is through-through, the crops can pass through the hollow structure during the cutting process and then be collected, thereby improving the harvesting efficiency of the crops.

As another specific embodiment, the crank mechanism 2 is connected to a motor 6, and the motor 6 is fixedly arranged on the cutting frame 1. The motor 6 can drive the crank mechanism 2 to rotate, thereby realizing automatic cutting of the cutting mechanism.

As another specific embodiment, the left and right sides of the cutting frame 1 are provided with connecting holes 13, so that the cutting mechanism can be easily and quickly assembled on various types of walking machines to achieve mobile harvesting of crops.

A harvesting vehicle, as shown in FIG5 , comprises a vehicle body 7, a conveying device 8 is provided at the front of the vehicle body 7, and the front end of the conveying device 8 is equipped with the above-mentioned cutting mechanism through a connecting hole 13. The harvesting speed of crops can be greatly improved, and the efficiency is greatly improved compared with the traditional manual harvesting method, and it has the characteristics of high efficiency, precision, intelligence, etc.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. The present invention is extended to any new features or any new combination disclosed in this specification, and any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

Claims (10)

1. A cutting mechanism, characterized in that it comprises a cutting frame (1), the cutting frame (1) is provided with a crank mechanism (2), the crank mechanism (2) is connected to a rocker mechanism (3) through a first connecting rod (4), the upper part of the rocker mechanism (3) is connected to the first connecting rod (4), and the lower part of the rocker mechanism (3) is connected to a cutting knife (5). 2. The cutting mechanism according to claim 1 is characterized in that: the rocker arm mechanism (3) includes a first rocker arm (31) and a second rocker arm (32) rotatably connected to the cutting frame (1), the upper ends of the first rocker arm (31) and the second rocker arm (32) are connected by a second connecting rod (33), and the lower ends of the first rocker arm (31) and the second rocker arm (32) are connected by the cutting knife (5). 3. The cutting mechanism according to claim 2 is characterized in that the upper end of the first connecting rod (4) is rotatably connected to the crank mechanism (2), and the lower end of the first connecting rod (4) is hinged to the upper end of the first rocker arm (31). 4. The cutting mechanism according to claim 2, characterized in that: a length fine-tuning structure (34) is provided on the first connecting rod (4) and/or the second connecting rod (33). 5. The cutting mechanism according to claim 1 is characterized in that: the cutting frame (1) includes a "concave"-shaped frame (11), a side plate (12) is provided on the side of the frame (11), a cavity is provided between the frame (11) and the side plate (12), and the crank mechanism (2) and the rocker mechanism (3) are arranged in the cavity and connected to the side plate (12). 6. The cutting mechanism according to claim 5, characterized in that the inner side of the frame (11) has a corner (111). 7. The cutting mechanism according to claim 1, characterized in that the middle portion of the cutting frame (1) is a hollow structure that penetrates from front to back, and the blade of the cutting knife (5) is oriented toward the front or rear. 8. The cutting mechanism according to claim 1, characterized in that the crank mechanism (2) is connected to a motor (6), and the motor (6) is fixedly arranged on the cutting frame (1). 9. The cutting mechanism according to claim 1, characterized in that connection holes (13) are provided on the left and right sides of the cutting frame (1). 10. A harvesting vehicle, comprising a vehicle body (7), wherein a conveying device (8) is provided at the front of the vehicle body (7), and a cutting mechanism according to any one of claims 1 to 9 is mounted at the front end of the conveying device (8) through a connecting hole (13).