Novel Chinese cabbage digging trolley

Abstract

The invention provides a novel Chinese cabbage digging trolley. The novel Chinese cabbage digging trolley comprises a frame, a driving unit, a transmission mechanism, a digging mechanism and a collecting device. The frame is made of aluminum profiles and steel materials, and the front end of the frame is provided with an open groove for containing the excavating mechanism. The digging mechanism forms a double-crank structure through cooperation of a first rotary disc, a second rotary disc and a tool rest so as to achieve rotation and telescopic movement of a tool bit, and digging and conveying of Chinese cabbages are completed. And stepless adjustment of the digging depth can be realized. The collecting device is of a double-layer net structure, and efficient buffering and collecting of Chinese cabbages are guaranteed. The digging efficiency can be remarkably improved, the labor intensity is reduced, the method adapts to complex terrains, the requirements of small farmers are met, and the wide application prospect is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery, and more particularly, to a new type of Chinese cabbage excavating trolley. Background Art

[0002] In modern agricultural production, the improvement of agricultural mechanization and automation levels is of great significance for improving agricultural production efficiency and reducing labor intensity. However, the process of agricultural modernization still lags behind relatively. Especially in regions dominated by small-scale farmers, the agricultural production efficiency is low, the labor productivity is only 25.3% of that in non-agricultural industries, the comparative benefit of agriculture is low, and the international competitiveness of agricultural products is insufficient. One of the fundamental reasons for these problems lies in the lack of agricultural mechanization and automation. Especially in the vegetable planting and harvesting links, the penetration rate of mechanized equipment is low, which severely restricts the modern development of agricultural production.

[0003] Chinese cabbage, as the vegetable crop with the largest cultivation area, is an important part of agricultural production. At present, most small-scale farmers still rely on manual methods for the excavation and transportation of Chinese cabbage. This method is not only inefficient but also labor-intensive, and it is difficult to meet the requirements of modern agricultural high-efficiency production. Therefore, it has become an urgent problem to develop a portable, economical and efficient Chinese cabbage excavating device suitable for small-scale farmers. Summary of the Invention

[0004] The present invention provides a new type of Chinese cabbage excavating trolley, aiming to improve the technical problems of low efficiency, high labor intensity and inability to meet the needs of small-scale farmers in manual Chinese cabbage excavation.

[0005] To solve the above technical problems, the present invention provides a new type of Chinese cabbage excavating trolley, which includes a frame and a driving unit, a transmission mechanism, an excavating mechanism and a collecting device installed on the frame; the excavating mechanism includes a first turntable and a second turntable rotatably arranged at the front end of the frame, and a plurality of tool holders connected between the first turntable and the second turntable; wherein, one end of the tool holder away from the tool head is hinged to the first turntable, the middle part of the tool holder is hinged to the second turntable, and the axes of the first turntable and the second turntable are arranged in an interleaved manner; the driving unit is in transmission connection with the excavating mechanism through the transmission mechanism. When the excavating mechanism operates, the tool holder can make a rotational motion and can simultaneously make a telescopic motion relative to the frame, so that the tool head can perform the excavation work on Chinese cabbage.

[0006] As a further optimization, the axis of the second turntable is located in front of the axis of the first turntable; the distance between the connection end of the first turntable and the tool holder and the axis of the first turntable is greater than the distance between the connection end of the second turntable and the tool holder and the axis of the second turntable.

[0007] As a further optimization, the collection device is located behind the excavation mechanism, and the collection opening of the collection device faces upward.

[0008] As a further optimization, a slot is provided at the front end of the vehicle frame. The first turntable is rotatably connected to one side of the slot, and the second turntable is rotatably connected to the other side of the slot; the slot runs through vertically so that the tool rest can pass through the slot when it rotates.

[0009] As a further optimization, the second turntable includes a turntable part and a connecting handle, and the connecting handle is detachably installed between the turntable part and the tool rest.

[0010] As a further optimization, the tool rest includes a tool handle and a tool head, and the tool handle is arranged in a T shape; two tool heads are installed on both sides of the front end of the tool handle.

[0011] As a further optimization, the tool head is arranged in an arc shape.

[0012] As a further optimization, a limiting part is provided at the front end of the tool head, and the distance between the limiting parts of the two tool heads gradually decreases towards the head end.

[0013] As a further optimization, the vehicle frame is further provided with wheels and a handle. The wheels are arranged in the middle of the bottom end of the vehicle frame, and the handle is arranged on one side of the vehicle frame away from the excavation mechanism.

[0014] As a further optimization, the transmission mechanism includes a reduction gear set, a transmission chain and a transmission gear. The transmission gear is coaxially connected to the first turntable. The drive unit is connected to the input end of the reduction gear set, and the transmission chain is connected between the output end of the reduction gear set and the transmission gear.

[0015] By adopting the above technical solutions, the following technical effects can be achieved by the present invention:

[0016] A novel Chinese cabbage excavation trolley provided by the present application includes a vehicle frame, a drive unit, a transmission mechanism, an excavation mechanism and a collection device. The excavation mechanism adopts a double crank structure, and the tool rest performs telescopic movement while rotating, ensuring that the tool head can insert into the soil at the lowest position and complete the excavation action, and retract at the highest position to convey Chinese cabbage, thereby improving the excavation efficiency. The unicycle design forms a lever, and the excavation depth can be steplessly adjusted by raising or lowering the front end from the handle end to adapt to different terrains and planting environments. High-strength materials and an optimized transmission system are adopted to ensure the stable operation of the equipment in complex terrains. The integrated design of excavation, transportation and collection simplifies the operation process and reduces the labor intensity. In addition, the present invention has a simple structure and low cost, is suitable for small farmers to use, and has a wide application prospect. Description of the Drawings

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0018] Figure 1 is a schematic structural diagram of a novel Chinese cabbage digging cart of the present invention;

[0019] Figure 2 is a schematic side structural diagram of a novel Chinese cabbage digging cart of the present invention;

[0020] Figure 3 is a schematic structural diagram of the frame in this embodiment of the present invention;

[0021] Figure 4 is a schematic structural diagram of the digging mechanism in this embodiment of the present invention;

[0022] Reference numerals in the figures: 1, frame; 2, drive unit; 3, transmission mechanism; 4, digging mechanism; 5, collection device; 6, grooving; 7, frame groove; 8, wheel; 9, handle; 10, first turntable; 11, second turntable; 12, tool rest; 13, turntable part; 14, connecting handle; 15, tool handle; 16, tool bit; 17, limiting part; 18, reduction gear set; 19, transmission chain; 20, transmission gear. Specific Embodiments

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0024] The embodiments of the present invention provide a novel Chinese cabbage digging cart, and its specific embodiments are described in detail with reference to Figure 1 to Figure 4 for detailed description.

[0025] The novel Chinese cabbage digging cart in this embodiment includes a vehicle frame 1, a driving unit 2, a transmission mechanism 3, a digging mechanism 4, and a collection device 5. The technical solution of the present invention will be completely described below in combination with the specific structures of each component and their cooperating working principles.

[0026] Preferably, the vehicle frame 1, as the main load-bearing structure of the entire cart, is made of lightweight and high-strength aluminum profiles and steel materials. This material selection not only ensures the structural strength of the vehicle frame 1 but also reduces the overall weight, facilitating use in complex terrains. A slot 6 that penetrates up and down is provided at the front end of the vehicle frame 1. This slot 6 is used to accommodate the tool rest 12 of the digging mechanism 4, enabling the tool rest 12 to smoothly pass through the vehicle frame 1 during rotation and insert into the soil to complete the digging operation. A set of wheels 8 is installed in the middle at the bottom end of the vehicle frame 1, making the front and rear of the vehicle frame 1 form a lever similar to a seesaw, and the handle 9 is located on the side of the vehicle frame 1 away from the digging mechanism 4. By lifting or depressing the height from the side of the handle 9, the user can change the relative position between the front end of the vehicle frame 1 and the ground, thereby achieving stepless adjustment of the digging depth. This design is particularly suitable for planting environments under different terrain conditions and meets the needs of small farmers for various digging depths.

[0027] Preferably, the digging mechanism 4 is the core component of the present invention. As shown in the attached drawings, the digging mechanism 4 includes a first turntable 10, a second turntable 11, and a plurality of tool rests 12 connected between the first turntable 10 and the second turntable 11. The first turntable 10 and the second turntable 11 are respectively rotatably arranged at the front end of the vehicle frame 1 through rotating shafts, and the axes of the two are arranged staggeredly. Among them, the end of the tool rest 12 away from the tool head 16 is hinged to the first turntable 10, and the connection end is located at the outer peripheral position of the first turntable 10; the middle of the tool rest 12 is hinged to the second turntable 11, and the connection end is located at the outer peripheral position of the second turntable 11, thereby making the digging mechanism 4 form a double-crank structure. In this embodiment, specifically, the axis of the first turntable 10 is located behind the axis of the second turntable 11, and the distance from the connection end of the first turntable 10 and the tool rest 12 to the axis of the first turntable 10 is greater than the distance from the connection end of the second turntable 11 and the tool rest 12 to the axis of the second turntable 11. This special geometric layout enables the tool rest 12 to not only make a circular motion with the first turntable 10 as the rotation center but also generate a telescopic motion relative to the vehicle frame 1. When the tool rest 12 rotates to the lowest position, the tool head 16 extends outwards and inserts into the soil to complete the digging action; when the tool rest 12 rotates to the highest position, the tool head 16 retracts inwards, transporting the dug Chinese cabbages to the collection device 5. By setting three groups of tool rests 12, continuous digging is achieved, and this design realizes the integrated operation of digging and conveying, significantly improving the working efficiency.

[0028] Among them, the first turntable 10 is of an integrated design. According to the number of tool holders 12 to be connected, an appropriate number of extension handles are extended outward from the center circle, with a simple structure and lightweight. The second turntable 11 includes a turntable part 13 and a connecting handle 14. The two ends of the connecting handle 14 are detachably installed between the turntable part 13 and the tool holder 12. One end is fixed to the turntable part 13, and the other end is hinged to the tool holder 12. In this way, by replacing the connecting handle 14 with different lengths, the telescopic amplitude of the tool holder 12 during the telescopic movement can be adjusted.

[0029] Furthermore, the tool holder 12 includes a T-shaped tool handle 15 and tool heads 16 installed on both sides of the front end of the tool handle 15. The tool heads 16 are of an arc design, which is convenient for inserting into the soil and reducing resistance. A limiting part 17 is provided at the front end of the tool head 16, and the distance between the limiting parts 17 of the two tool heads 16 gradually decreases towards the head end. This design utilizes the characteristic that Chinese cabbages gradually become larger from bottom to top. During the excavation process, the two tool heads 16 move upward from both sides of the lower end of the Chinese cabbage and are erected on both sides of the Chinese cabbage. At the same time, the limiting part 17 restricts the Chinese cabbage to prevent it from falling off from the front end. There is no closed design in the middle of the tool head 16, and soil and impurities can naturally fall during the excavation process, avoiding accumulation and affecting the excavation efficiency. In addition, the arc design of the tool head 16 and the optimized configuration of the limiting part 17 further improve the excavation accuracy and reduce the damage to the Chinese cabbage.

[0030] Preferably, the transmission mechanism 3 is responsible for transmitting power from the drive unit 2 to the excavation mechanism 4 to ensure that the excavation mechanism 4 obtains sufficient power to overcome the soil resistance. As shown in the attached drawing, the transmission mechanism 3 includes a reduction gear set 18, a transmission chain 19, and a transmission gear 20. The motor of the drive unit 2 is connected to the input end of the reduction gear set 18, and the motor speed is reduced and the torque is increased through the reduction gear set 18. The output end of the reduction gear set 18 is connected to the transmission gear 20 through the transmission chain 19. The transmission gear 20 is coaxially connected to the first turntable 10 to transmit power to the excavation mechanism 4, and the tool holder 12 is driven to rotate and telescopic by rotating the first turntable 10. The transmission ratio of the reduction gear set 18 is accurately calculated to ensure that the excavation mechanism 4 obtains stable and sufficient power support during operation. The cooperation of the reduction gear set 18, the transmission chain 19, and the transmission gear 20 makes the power transmission more stable.

[0031] Among them, the collection device 5 is located behind the excavation mechanism 4 and includes a collection net. A frame groove 7 is formed on the vehicle frame 1 to be suitable for accommodating and installing the collection net. The collection net adopts a double-layer net structure, one layer being an elastic net and the other layer being a non-elastic net. When the Chinese cabbages fall from the excavation mechanism 4, the elastic net plays a buffering role to avoid damage to the Chinese cabbages due to collision; the non-elastic net plays a supporting and fixing role to ensure that the Chinese cabbages can be effectively collected. One side of the frame groove 7 close to the excavation mechanism 4 is inclined, which is convenient for the Chinese cabbages to slide in when entering and reduces damage. This design fully considers the physical characteristics of the Chinese cabbages and the force conditions during the collection process, ensuring an efficient and reliable collection process. When the tool holder 12 rotates with the Chinese cabbage to above the opening of the collection net, the tool head 16 rotates in reverse, the Chinese cabbage falls into the collection net, and at the same time the tool head 16 contracts to avoid the frame groove 7.

[0032] Among them, the trolley is also provided with an electric control system. The electric control system is equipped with a simple control circuit system, including a forward button, a reverse button and an emergency stop button. By operating the forward button or the reverse button, the drive unit 2 drives the trolley to achieve the forward or reverse function. The emergency stop button can quickly cut off the power supply when the trolley encounters an unexpected situation, ensuring safe and convenient operation. The electric control system adopts a modular design, which is convenient for maintenance and upgrade, and at the same time has an overload protection function to avoid damage to the equipment caused by excessive load.

[0033] The specific operation process of the present invention is as follows: The user adjusts the side of the handle 9 of the vehicle frame 1 to be lifted according to the actual needs, and changes the relative position between the front end of the vehicle frame 1 and the ground through the lever, so as to adjust the excavation depth. Then the drive unit 2 is started, and the drive unit 2 transmits the power to the excavation mechanism 4 through the transmission mechanism 3. The first turntable 10 and the second turntable 11 start to rotate, driving the tool holder 12 to make a circular motion with the first turntable 10 as the rotation center. Due to the action of the double-crank structure, the tool holder 12 generates a telescopic motion while rotating. When the tool holder 12 rotates to the lowest position, the tool head 16 extends outwards and inserts into the soil to complete the excavation action; after the excavation is completed, the tool holder 12 continues to rotate to the highest position, the tool head 16 retracts inwards and conveys the excavated Chinese cabbages to the collection device 5. The Chinese cabbages fall into the collection net, the elastic net plays a buffering role, and the non-elastic net provides support to ensure that the Chinese cabbages are effectively collected. The user can operate the trolley to move forward or backward through the control button to complete the excavation work of the next Chinese cabbage. During the operation process, if an unexpected situation is encountered, the user can quickly cut off the power supply through the emergency stop button to ensure safe operation.

[0034] Through the design of the shape of the cutter head 16 and the limiting part 17, the present invention solves the problem that Chinese cabbages are prone to falling off during the excavation process, and at the same time improves the excavation accuracy. The arc-shaped design of the cutter head 16 facilitates insertion into the soil, and the gradually decreasing spacing of the limiting part 17 ensures that the Chinese cabbages are always clamped between the cutter heads 16 during the excavation process, avoiding the falling off of the Chinese cabbages due to soil resistance or external interference. This design not only improves the excavation success rate but also reduces the damage to the Chinese cabbages. In addition, the wheel 8 is combined with a lever structure to achieve stepless adjustment of the excavation depth by raising or lowering the height of one side of the handle 9 of the frame 1, adapting to different terrains and planting environments. The high material strength, light weight and efficient transmission system ensure the stable operation of the equipment in complex terrains. The integrated design of excavation, transportation and collection simplifies the operation process and reduces the labor intensity. In summary, the present invention provides an efficient, flexible and reliable Chinese cabbage excavation trolley, effectively solving the problems in the prior art and having wide application value.

[0035] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A new type of cabbage digging cart, characterized in that: It comprises a vehicle frame, and a driving unit, a transmission mechanism, an excavating mechanism and a collecting device mounted on the vehicle frame; the excavating mechanism comprises a first turntable and a second turntable rotatably arranged at the front end of the vehicle frame, and a plurality of tool holders connected between the first turntable and the second turntable; wherein, the end of the tool holder away from the cutter head is hinged to the first turntable, the middle part of the tool holder is hinged to the second turntable, and the axes of the first turntable and the second turntable are staggered; the driving unit is connected to the excavating mechanism through the transmission mechanism, and when the excavating mechanism is running, the tool holder can perform rotational motion and can simultaneously perform telescopic motion relative to the vehicle frame, so that the cutter head can perform excavation work on the cabbage.

2. A new type of cabbage digging cart according to claim 1, characterized in that The axis of the second turntable is located in front of the axis of the first turntable; the distance between the connecting end of the first turntable and the tool holder and the axial center of the first turntable is greater than the distance between the connecting end of the second turntable and the tool holder and the axial center of the second turntable.

3. A new type of cabbage digging cart according to claim 1, characterized in that The collecting device is located behind the excavating mechanism, and the collecting port of the collecting device faces upward.

4. A new type of cabbage digging cart according to claim 1, characterized in that A slot is provided at the front end of the frame, the first turntable is rotatably connected to one side of the slot, and the second turntable is rotatably connected to the other side of the slot; the slot is arranged to penetrate up and down so that the tool holder can pass through the slot when it rotates.

5. A new type of cabbage digging cart according to claim 1, characterized in that The second turntable includes a turntable portion and a connecting handle, and the connecting handle is detachably installed between the turntable portion and the tool holder.

6. A new type of cabbage digging cart according to claim 1, characterized in that The tool holder includes a tool handle and a tool head, and the tool handle is arranged in a T shape; two tool heads are installed on both sides of the front end of the tool handle.

7. A new type of cabbage digging cart according to claim 1, characterized in that , the cutter head is arranged in an arc shape.

8. A new type of cabbage digging cart according to claim 1, characterized in that A limiting portion is provided at the front end of the cutter head, and the distance between the limiting portions of the cutter heads on both sides gradually decreases toward the head end.

9. A new type of cabbage digging cart according to claim 1, characterized in that The frame is also provided with wheels and a handle, wherein the wheel is arranged in the middle of the bottom end of the frame, and the handle is arranged on a side of the frame away from the excavating mechanism.

10. A new type of cabbage digging cart according to claim 1, characterized in that The transmission mechanism includes a reduction gear set, a transmission chain and a transmission gear. The transmission gear is coaxially connected to the first turntable. The driving unit is connected to the input end of the reduction gear set. The transmission chain is connected between the output end of the reduction gear set and the transmission gear.

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