Hydraulic foldable potato conveying and lifting mechanism

Abstract

The utility model discloses a hydraulic foldable potato conveying and lifting mechanism, which belongs to the technical field of agricultural machinery and comprises a support frame, a transmission mechanism and a control mechanism, the support frame comprises a transverse conveying frame mounted on a potato combine harvester, one end of the transverse conveying frame is hinged with a lifting frame, and the other end of the transverse conveying frame is hinged with the transmission mechanism. The lifting frame is in a V shape, and the lifting frame and the transverse conveying frame jointly form an inverted Z shape. The transmission mechanism is installed on the supporting frame and used for conveying and lifting potatoes. The control mechanism is installed between the transverse conveying frame and the lifting frame. The inverted-Z-shaped structure formed by the transverse conveying frame and the lifting frame is matched with the rotating rod, the chain wheel, the chain and the grid bars with the conveying and lifting plates in the transmission mechanism, efficient conveying and lifting of potatoes from the low position to the high position are achieved, and therefore the overall efficiency of potato harvesting operation is improved.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, specifically a hydraulic foldable potato conveying and lifting mechanism. Background Technology

[0002] Potatoes are one of the three major grain crops in our province. The mechanization of potato harvesting needs to be further improved. The existing potato harvesters in China are divided into two types: digging, clearing, and laying on the ground, and digging, clearing, side conveying, and loading.

[0003] Currently, potato harvesters that dig and clear the soil before laying the potatoes on the surface are basically mature. However, after laying, the potatoes still need to be picked up, bagged, and loaded onto trucks, which is labor-intensive, time-consuming, and has certain limitations. For potato harvesters that dig, clear the soil, and then transport the potatoes to a higher position for loading, the device is not yet mature enough. Fixed conveying and lifting mechanisms have excessively wide implements, restricting their movement on roads and field edges; harvesters with loading mechanisms have overly complex structures, leading to frequent malfunctions and low efficiency. This problem seriously affects and restricts the development of mechanization in potato harvesters. Currently, there is no mature lifting mechanism with good lifting performance on the domestic market.

[0004] To address the aforementioned issues, this application provides a hydraulically collapsible potato conveying and lifting mechanism. Utility Model Content

[0005] The purpose of this utility model is to provide a hydraulically foldable potato conveying and lifting mechanism to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0007] A hydraulically foldable potato conveying and lifting mechanism includes a support frame, a transmission mechanism, and a control mechanism, wherein:

[0008] The support frame includes a transverse conveyor frame installed on a potato combine harvester. One end of the transverse conveyor frame is hinged to a lifting frame. The lifting frame is V-shaped and together with the transverse conveyor frame, they form an inverted Z-shape.

[0009] The transmission mechanism is mounted on the support frame and is used to transport and lift potatoes;

[0010] The control mechanism is installed between the transverse conveyor and the lifting frame. The control mechanism is used to control the lifting frame to rotate so that it can be in a folded state or an extended state.

[0011] Furthermore, the transmission mechanism includes several horizontally rotatably mounted on the support frame. The several rotating rods are evenly distributed along the extension trajectory of the support frame. Two symmetrically arranged sprockets are fixedly sleeved on each rotating rod. An integral chain is sleeved between several sprockets located on the same side. Several evenly distributed grid bars are connected between two chains. A transport lifting plate is fixedly mounted on a portion of the grid bars. A drive motor with its output end fixed to the shaft of one of the outermost rotating rods is mounted on the support frame.

[0012] Furthermore, the distance between two adjacent grid bars is less than the diameter of a mature potato.

[0013] Furthermore, the control mechanism includes a hydraulic cylinder hinged to the transverse conveyor frame, with the other end of the hydraulic cylinder hinged to the lifting frame.

[0014] Furthermore, the number of the hydraulic cylinders is two and they are arranged symmetrically, with the two hydraulic cylinders respectively located on opposite sides of the transverse conveyor frame.

[0015] Furthermore, several tensioning wheels are rotatably mounted on the lifting frame, and the tensioning wheels roll on the outer periphery of the chain.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This solution utilizes an inverted "Z"-shaped structure formed by a transverse conveyor frame and a "V"-shaped lifting frame. Combined with a uniquely designed transmission mechanism featuring rotating rods, sprockets, chains, and grids with transport lifting plates, it achieves highly efficient transport and lifting of potatoes from a low to a high position. The spacing between adjacent grids is smaller than the diameter of a mature potato, ensuring no potatoes are lost during transport. This effectively solves the problems of poor potato transport and lifting efficiency in existing technologies, which still require manual picking, bagging, and loading. It saves time and labor, significantly improving the overall efficiency of potato harvesting operations.

[0018] This solution cleverly utilizes hydraulic cylinders in the control mechanism to control the rotation of the lifting frame. During transportation, the lifting frame can be folded, significantly reducing the overall width of the potato combine harvester. This frees it from the limitations of narrow spaces when traveling on roads and in fields, effectively improving the machine's passability and maneuverability. When operating in the field, the lifting frame can be quickly extended to the working state, ensuring the smooth operation of potato conveying and lifting, and greatly enhancing the adaptability and practicality of the potato combine harvester in different operating scenarios.

[0019] The rational layout of the transmission mechanism and the setting of the tensioning wheel in this solution ensure that the chain tension is appropriate during operation, reducing chain swaying and slippage during transmission, ensuring stable power transmission, and enabling the grid bars and transport lifting plates to move smoothly and evenly. This achieves stable potato transport and lifting, effectively avoiding problems such as potato damage or blockage caused by unstable conveying mechanisms, and greatly improving the quality and stability of potato harvesting operations.

[0020] Compared to the complex structure of existing modular potato harvesters, the hydraulic foldable potato conveying and lifting mechanism of this application is simpler and more reasonable in design, with a relatively reduced number of parts, effectively reducing the number of failure points and the probability of failure. At the same time, it facilitates later maintenance and repair work, reduces maintenance costs and time, improves the operational reliability and uptime of the potato harvester, provides strong support for the mechanized harvesting of potatoes, and powerfully promotes the development of potato harvesters towards a higher degree of mechanization. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This utility model Figure 1 Top view;

[0023] Figure 3 This utility model Figure 2 A three-dimensional sectional view along the AA direction;

[0024] Figure 4 This utility model Figure 2 A three-dimensional sectional view along the BB direction.

[0025] In the diagram: 1. Support frame; 2. Transmission mechanism; 3. Control mechanism; 11. Horizontal conveyor frame; 12. Lifting frame; 21. Rotating rod; 22. Sprocket; 23. Chain; 24. Grid bar; 25. Transport lifting plate; 26. Drive motor; 31. Hydraulic cylinder; 121. Tensioning wheel. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0027] This application provides a hydraulically foldable potato conveying and lifting mechanism. Currently, potato combine harvesters that dig, clear, and lay potatoes on the ground are largely mature, but after laying, they still need to be picked up, bagged, and loaded onto trucks, which is labor-intensive, time-consuming, and has certain limitations. For potato combine harvesters that dig, clear, and convey potatoes to a higher position for loading after digging and clearing, the device is not yet mature enough. Fixed conveying and lifting mechanisms have excessively wide implements, restricting their movement on roads and in fields; harvesters with loading mechanisms have overly complex structures, leading to too many malfunctions and low efficiency. This problem seriously affects and restricts the development of mechanization in potato combine harvesters. Currently, there is no mature lifting mechanism with good lifting effect on the domestic market. The following technical solution is provided, which will be discussed in conjunction with… Figures 1-4 Please provide a detailed explanation:

[0028] A hydraulically foldable potato conveying and lifting mechanism mainly includes a support frame 1, a transmission mechanism 2, and a control mechanism 3, wherein:

[0029] The support frame 1 includes a transverse conveyor frame 11 installed on a potato combine harvester. One end of the transverse conveyor frame 11 is hinged to a lifting frame 12. The lifting frame 12 is V-shaped and together with the transverse conveyor frame 11, it forms an inverted Z-shape.

[0030] The transmission mechanism 2 is mounted on the support frame 1 and is used to transport and lift potatoes;

[0031] The control mechanism 3 is installed between the transverse conveyor frame 11 and the lifting frame 12. The control mechanism 3 is used to control the lifting frame 12 to rotate so that it can be in a folded state or an extended state.

[0032] This utility model's hydraulic foldable potato conveying and lifting mechanism effectively solves the problem of conveying and lifting potatoes after soil clearing through the reasonable cooperation of the support frame 1, transmission mechanism 2, and control mechanism 3. It realizes the function of directly loading potatoes onto vehicles after digging, greatly reducing the labor intensity and time cost of manual or mechanical picking and bagging, and improving the efficiency and mechanization of potato harvesting operations. At the same time, the mechanism has a compact structure and operates smoothly.

[0033] In the specific implementation of the hydraulic foldable potato conveying and lifting mechanism of this utility model, the structural details of its transmission mechanism 2 are as follows: Figure 2 , Figure 3 and Figure 4The transmission mechanism 2 includes several horizontally rotatable rotating rods 21 mounted on the support frame 1. The rotating rods 21 are evenly distributed along the extension trajectory of the support frame 1. Two symmetrically arranged sprockets 22 are fixedly sleeved on the rotating rods 21. An integral chain 23 is sleeved between the several sprockets 22 on the same side. Several evenly distributed grid bars 24 are connected between the two chains 23. A transport lifting plate 25 is fixedly installed on a portion of the grid bars 24. A drive motor 26 with its output end fixed to the shaft of one of the outermost rotating rods 21 is installed on the support frame 1. The distance between two adjacent grid bars 24 is less than the diameter of a mature potato to ensure that potatoes are not lost during transportation.

[0034] When potato conveying is in operation, the drive motor 26 starts and drives the corresponding rotating rod 21 to rotate. The rotation of the rotating rod 21 causes the sprocket 22 to rotate, which in turn drives the chain 23 to make a circular rotation. The movement of the chain 23 drives the grid 24 and the transport lifting plate 25 to move along the set path. After the potatoes enter from the transverse conveyor 11, they are smoothly conveyed and lifted along the inverted "Z" shaped path under the combined action of the grid 24 and the transport lifting plate 25, and finally fall into the car box after moving laterally, completing the loading operation.

[0035] This utility model achieves efficient potato conveying and lifting through the aforementioned structure and working method of the transmission mechanism 2. Its unique grid 24 and transport lifting plate 25 working together, combined with the optimized setting of the spacing between adjacent grid 24, ensures the stability and integrity of potatoes during the conveying process. At the same time, the reasonable layout and stable operation of the transmission mechanism 2 provide a strong guarantee for the efficient operation of the entire conveying and lifting mechanism, effectively improving the efficiency and quality of potato harvesting operations.

[0036] Furthermore, the control mechanism 3 includes a hydraulic cylinder 31 hinged to the transverse conveyor frame 11, with the other end of the hydraulic cylinder 31 hinged to the lifting frame 12; there are two hydraulic cylinders 31 arranged symmetrically, with the two hydraulic cylinders 31 respectively located on opposite sides of the transverse conveyor frame 11. This symmetrical layout ensures stable control and uniform force on the lifting frame 12.

[0037] When the conveying and lifting mechanism needs to be changed from the working state to the folded state, the hydraulic cylinder 31 retracts, pulling the lifting frame 12 to rotate around the hinge point with the transverse conveying frame 11, so that the lifting frame 12 folds up. The width of the entire conveying and lifting mechanism is reduced accordingly, making it easier to pass through narrow areas when moving between roads or fields. When working in the field, the hydraulic cylinder 31 extends, pushing the lifting frame 12 to rotate to the extended state, and the conveying and lifting mechanism returns to its normal working posture, ensuring that potatoes can be conveyed and lifted smoothly.

[0038] It should be noted that the transverse conveyor frame 11 is equipped with an oil supply component (this oil supply component is an existing mature technology and is not shown in the attached drawings), which provides stable hydraulic oil to the hydraulic cylinder 31, ensuring the reliable operation of the hydraulic cylinder 31. Through the ingenious design of the control mechanism 3, the extension and retraction movement of the hydraulic cylinder 31 is used to realize the rapid switching between the working state and the folding state of the conveying and lifting mechanism, which enhances the adaptability and flexibility of the potato combine harvester in different operating scenarios. At the same time, this hydraulic control method is easy to operate and runs smoothly, effectively reducing the intensity of manual operation and improving the efficiency of operation, providing a more convenient and efficient solution for the mechanized combine harvesting of potatoes.

[0039] Furthermore, several tension wheels 121 are rotatably mounted on the lifting frame 12, and the tension wheels 121 roll on the outer periphery of the chain 23.

[0040] When the transmission mechanism 2 is running, the chain 23 rotates in a circular motion under the drive of the drive motor 26. At this time, the tension wheel 121 rolls close to the outer circumference of the chain 23, applying a certain tension force to the chain 23 to prevent the chain 23 from becoming loose, swaying, or slipping during the movement. Since the lifting frame 12 is "V" shaped, the reasonable arrangement of the tension wheel 121 can ensure that the chain 23 maintains a good tension state at different positions, thereby ensuring the stable operation of the transmission mechanism 2. This allows the grid 24 and the transport lifting plate 25 to transport potatoes smoothly and evenly. During the folding or unfolding process of the mechanism, the tension wheel 121 can still adapt to the positional changes of the chain 23 and continue to play a tensioning role, ensuring the normal operation of the transmission mechanism 2, effectively extending the service life of the chain 23, reducing the failure rate of the equipment, and further improving the reliability and efficiency of potato conveying and lifting operations.

[0041] When the potato conveying operation is carried out, the drive motor 26 is started first, which drives the rotating rod 21 to rotate, which in turn causes the sprocket 22 to rotate. The chain 23 then makes a circular rotation. Driven by the chain 23, the grid 24 and the transport lifting plate 25 on it move along the set path. The potatoes enter the conveying mechanism from the transverse conveyor frame 11. Under the combined action of the grid 24 and the transport lifting plate 25, they are smoothly conveyed and lifted along the inverted "Z" shaped path. Finally, after the potatoes move laterally, they fall into the truck bed, completing the loading operation.

[0042] When the mechanism switches states, the hydraulic cylinder 31 of the control mechanism 3 comes into play. When it is necessary to change the conveying and lifting mechanism from the working state to the folded state for road transfer or to pass through narrow areas, the hydraulic cylinder 31 retracts, pulling the lifting frame 12 to rotate around the hinge point with the transverse conveying frame 11, so that the lifting frame 12 folds up and the width of the entire conveying and lifting mechanism is reduced accordingly. When working in the field, the hydraulic cylinder 31 extends, pushing the lifting frame 12 to rotate to the extended state, and the conveying and lifting mechanism returns to the normal working posture, ensuring that potatoes can be conveyed and lifted smoothly.

[0043] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A hydraulically foldable potato conveying and lifting mechanism, comprising a support frame (1), a transmission mechanism (2), and a control mechanism (3), characterized in that, in: The support frame (1) includes a transverse conveyor frame (11) installed on a potato combine harvester. One end of the transverse conveyor frame (11) is hinged to a lifting frame (12). The lifting frame (12) is V-shaped and together with the transverse conveyor frame (11) forms an inverted Z-shape. The transmission mechanism (2) is mounted on the support frame (1) and is used to transport and lift potatoes; The control mechanism (3) is installed between the transverse conveyor (11) and the lifting frame (12). The control mechanism (3) is used to control the lifting frame (12) to rotate so that it becomes a folded state or an extended state.

2. The hydraulically foldable potato conveying and lifting mechanism according to claim 1, characterized in that: The transmission mechanism (2) includes several rotating rods (21) that are rotatably mounted horizontally on the support frame (1). The several rotating rods (21) are evenly distributed along the extension trajectory of the support frame (1). Two symmetrically arranged sprockets (22) are fixedly sleeved on the rotating rods (21). An integral chain (23) is sleeved between the several sprockets (22) located on the same side. Several evenly distributed grid bars (24) are connected between the two chains (23). A transport lifting plate (25) is fixedly installed on a portion of the grid bars (24). A drive motor (26) with its output end fixed to the shaft of one of the outermost rotating rods (21) is installed on the support frame (1).

3. The hydraulically foldable potato conveying and lifting mechanism according to claim 2, characterized in that: The distance between two adjacent grid bars (24) is less than the diameter of a mature potato.

4. The hydraulically foldable potato conveying and lifting mechanism according to claim 1, characterized in that: The control mechanism (3) includes a hydraulic cylinder (31) hinged to the transverse conveyor (11), and the other end of the hydraulic cylinder (31) is hinged to the lifting frame (12).

5. A hydraulically foldable potato conveying and lifting mechanism according to claim 4, characterized in that: The number of the hydraulic cylinders (31) is two and they are arranged symmetrically. The two hydraulic cylinders (31) are respectively arranged on opposite sides of the transverse conveyor frame (11).

6. The hydraulically foldable potato conveying and lifting mechanism according to claim 2, characterized in that: A plurality of tensioning wheels (121) are rotatably mounted on the lifting frame (12), and the tensioning wheels (121) roll on the outer periphery of the chain (23).

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