A potato harvester collecting device and method

Abstract

The application relates to the field of potato harvesting equipment, in particular to a collecting device and a collecting method for a potato harvester, which comprises a base, a side plate, a collecting mechanism, a bag changing mechanism and a lifting mechanism, the side plate and the base form a discharge bin, the collecting mechanism comprises a fixing frame, a collecting port and a ton bag, the collecting port is fixedly connected to the fixing frame and is arranged to face the ton bag; the bag changing mechanism comprises a chain and a bag buckle, the chain moves circularly on the fixing frame, the number of the bag buckles is plural, the number of the ton bags is plural, and the ton bags are detachably hung on the bag buckles, and the ton bags are separated from the bag buckles when the chain turns on the fixing frame; the lifting mechanism comprises a lifting platform, a wedge-shaped stop block and an inclined slope, and the lifting platform reciprocatingly lifts in the discharge bin. The application can automatically realize bag changing through the chain movement in the harvesting process by hanging a plurality of ton bags on the movable chain and combining the bag buckle structure which can automatically separate the ton bag; the foldable ton bag structure is adopted, so that the empty ton bag is convenient to store and move.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of potato collecting, in particular to a collecting device and method for a potato harvester. BACKGROUND

[0002] At present, the potato picking mechanical technology in China is mature, and the digging device and the conveying and separating device are various, but the collecting process after potato picking still depends on manual work. Due to the influence of yield on the duration of potato collecting and the complexity of bag changing process, at least two people are needed to cooperate to change the ton bag and control the inclination of the ton bag bottom support plate during potato collecting. At present, the automatic bag hanging and inclined unloading device for potato picking is in its infancy in China, and the damage and peeling rate of potatoes is relatively high. The ton bag of the current potato is still based on manual bag hanging, and the full ton bag is unloaded, which is labor-intensive and has low work efficiency. The device aims to design a hydraulic numerical control system that can automatically change the bag, and the platform can automatically complete the three work cycles of descending, tilting and unloading, and restoring the high position with less manual work, effectively improving the work efficiency, and realizing the automation and intelligentization of the ton bag of the potato harvester. SUMMARY

[0003] The present application aims to solve the above problems, and provides a collecting device and method for a potato harvester, which adopts the technical scheme as follows:

[0004] A collecting device for a potato harvester, comprising a base, a side plate, a collecting mechanism, a bag changing mechanism and a lifting mechanism, the side plate is arranged above the base, and the three side plates and the base form a discharge bin, the collecting mechanism comprises a fixed frame arranged above the side plate, a cantilever beam, a collecting port and a ton bag, the fixed frame is fixedly arranged relative to the base, one end of the cantilever beam is fixedly connected with the fixed frame, the other end is connected with a driving device, the collecting port is fixedly connected with the fixed frame and is arranged to open towards the ton bag; the bag changing mechanism comprises a chain and a bag buckle, the chain moves circularly on the fixed frame, the bag buckle is an openable structure, the number of the bag buckles is multiple and is distributed on the chain, the number of the ton bags is multiple and is detachably hung on the bag buckles, the ton bag is separated from the bag buckle when the chain turns from the fixed frame; the lifting mechanism comprises a lifting platform, a wedge-shaped stop block and an inclined slope, the lifting platform is arranged below the ton bag and reciprocatingly lifts in the discharge bin, the bottom of the ton bag contacts with the lifting platform when the ton bag contains potatoes, the wedge-shaped stop block and the inclined slope are fixedly connected with the base, and the lifting platform inclines along the inclined slope when reaching the bottom.

[0005] On the basis of the above scheme, a weight sensor is arranged on the lifting platform, and a pressure sensor is arranged on the upper surface of the wedge-shaped stop block.

[0006] Preferably, the ton bag comprises a first bag body, a first hanging ear is arranged at the top of the first bag body, the first hanging ear is hung on the bag buckle, the first bag body is composed of a plurality of continuous folded layers, a knot is arranged on the side of each folded layer, adjacent knots are connected, and the connection strength is less than the tensile strength of the knot when the first bag body contains potatoes.

[0007] Preferably, the ton bag comprises a second bag body, a second hanging ear is arranged at the top of the second bag body, the second hanging ear is hung on the bag buckle, the second bag body is composed of a plurality of continuous folded layers, a magnetic strip is arranged between each folded layer, adjacent folded layers are adsorbed through the magnetic strip, and the adsorption strength is less than the tensile strength of the magnetic strip when the second bag body contains potatoes.

[0008] Preferably, the bag buckle comprises a fixed part, a movable part and a stop rod, the fixed part is fixedly connected to the chain, the movable part is arc-shaped, the arc-shaped opening faces the fixed part, one end of the movable part is connected to the fixed part through a hinge spring, the other end is an opening end, the opening end opens and closes relative to the fixed part, and the ton bag is hung or falls off from the movable part; the stop rod is fixedly connected to one end of the fixed part close to the opening end, the stop rod extends along a direction perpendicular to the movement of the chain, and both ends of the stop rod extend to the outside of the fixed part.

[0009] Preferably, a vibration rod is arranged in the lifting platform, and vibration motors are fixedly connected to both ends of the vibration rod.

[0010] Preferably, the lifting mechanism further comprises a gas cylinder and a steel rope, the gas cylinder is fixedly installed on the base, the end of the piston rod of the gas cylinder is fixedly connected to the lifting platform through the steel rope, a limiting column is fixedly connected to the side surface of the lifting platform, a limiting groove is arranged on the inner side of the side plate in the vertical direction, and the limiting column is clamped in the limiting groove and moves along the limiting groove.

[0011] Preferably, a collecting baffle is slidably arranged in the collecting port.

[0012] Preferably, a switch button and a display screen are arranged on the side plate, and the switch button, the display screen, the weight sensor and the pressure sensor are in communication connection.

[0013] A potato harvesting machine is used to collect a method, using the above-mentioned potato harvesting machine collecting device, comprising the following steps:

[0014] S1. The potatoes enter the ton bag from the collecting port, the ton bag is unfolded, and the bottom of the ton bag is in contact with the lifting platform;

[0015] S2. The weight of the ton bag increases as the potatoes in the ton bag increase, and the lifting platform gradually descends under the action of the gas cylinder;

[0016] S3. The weight sensor detects that the potatoes in the ton bag reach the predetermined weight, the collection baffle moves and covers the collection port, and the collection port no longer passes through the potatoes; the lifting platform drives the ton bag to continue to fall until the bottom of the lifting platform contacts the wedge-shaped stopper, the pressure sensor receives the pressure signal of the lifting platform and the ton bag, and the chain moves to make the ton bag fall off the bag buckle;

[0017] S4. The cylinder piston rod continues to extend, the lifting platform tilts along the slope, the ton bag slides along the slope and moves out of the unloading bin;

[0018] S5. After the weight sensor detects that the ton bag sliding is completed, the cylinder drives the lifting platform to rise to the original position, the chain drives the next ton bag to move to the collection port, the collection baffle moves and exposes the collection port, and steps S1-S4 are repeated.

[0019] The beneficial effects of the present application are: by hanging a plurality of ton bags on the movable chain, combining the bag buckle structure that can be automatically detached, the ton bag can be automatically replaced by moving the chain during the harvesting process; the folding ton bag structure is adopted, which is convenient for storage and movement of empty bags; the lifting platform combined with the slope structure is adopted, which cooperates with the weight sensor and the pressure sensor to ensure that the weight of the potatoes in each ton bag meets the standard, collects data and calculates the yield, realizes automatic unloading of the ton bag, saves a lot of labor cost, and effectively avoids the bumping loss caused by too large falling height during potato harvesting. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 : The structure schematic diagram of the harvesting device of the present application;

[0021] Figure 2 : The structure schematic diagram of the harvesting device of the present application from another angle;

[0022] Figure 3 : The structure schematic diagram of the upper part of the base of the present application;

[0023] Figure 4 : The structure schematic diagram of the limiting column of the present application;

[0024] Figure 5 : The partial enlarged view of part A of the present application (bag buckle bag hanging state); Figure 1

[0025] Figure 6 : The partial enlarged view of part B of the present application (bag buckle idle state); Figure 1

[0026] : The structure schematic diagram of the first type of ton bag adapted to the present application; Figure 7

[0027] : The structure schematic diagram of the second type of ton bag adapted to the present application; Figure 8 ​​

[0028] Figure 9 Flow chart of the collecting method of the present application. DETAILED DESCRIPTION

[0029] The present application will be further described with reference to the drawings and examples:

[0030] In the present application, unless specifically defined and limited otherwise, the terms "mounting", "connection", "connecting", "fixed", and the like should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "length", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first" and "second" can include one or more of the features explicitly or implicitly. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0032] In the present application, unless specifically defined and limited otherwise, the first feature "above" or "below" the second feature can include the first and second features in direct contact, or the first and second features not in direct contact but in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0033] As Figures 1 to 8As shown in the figure, a potato harvester collecting device includes a base 11, a side plate 12, a collecting mechanism, a bag changing mechanism and a lifting mechanism, the side plate 12 is arranged above the base 11, and the three side plates 12 and the base 11 form a discharge bin, and a bag discharge port is left on one side of the discharge bin. The collecting mechanism includes a fixed frame 21 arranged above the side plate 12, a cantilever beam 22, a collecting port 23 and a ton bag 25, the fixed frame 21 is fixedly arranged relative to the base 11, one end of the cantilever beam 22 is fixedly connected with the fixed frame 21, and the other end is connected with a driving device to drive the harvesting device to move. As shown in the figure Figure 2 As shown in the figure, the collecting port 23 is fixedly connected with the fixed frame 21 and is arranged with an opening facing the ton bag 25, and the collecting port 23 is slidably arranged with a collecting baffle 24 to control the opening and closing of the collecting port 23.

[0034] The bag changing mechanism includes a chain 33 and a bag buckle 34, and a driving motor 31 and a sprocket 32 are arranged on the fixed frame 21, the chain 33 is arranged around the sprocket 32, so that the chain 33 moves circularly on the fixed frame 21, the bag buckle 34 is an openable structure, the number of the bag buckles 34 is multiple, and they are uniformly arranged on the chain 33, the number of the ton bags 25 is multiple, and they are detachably hung on the bag buckles 34, and the ton bags 25 are detached from the bag buckles 34 when the chain 33 turns from the fixed frame 21. As shown in the figure Figure 5 and Figure 6 As shown in the figure, the ton bag 25 structure adapted by the present application includes but is not limited to the following two kinds:

[0035] (1) The ton bag 25 includes a first bag body 251, a first hanging ear 252 is arranged on the top of the first bag body 251, the first hanging ear 252 is hung on the bag buckle 34, the first bag body 251 is composed of multiple continuous folding layers, a knot 253 is arranged on the side of each folding layer, adjacent knots 253 are connected, and the connection strength is less than the tensile strength of the knot 253 when the first bag body 251 contains potatoes, so that the knot 253 is broken when the first bag body 251 contains potatoes, and the first bag body 251 is unfolded; (2) The ton bag 25 includes a second bag body 254, a second hanging ear 255 is arranged on the top of the second bag body 254, the second hanging ear 255 is hung on the bag buckle 34, the second bag body 254 is composed of multiple continuous folding layers, a magnetic strip 256 is arranged between each folding layer, adjacent folding layers are adsorbed through the magnetic strip 256, and the adsorption strength is less than the tensile strength of the magnetic strip 256 when the second bag body 254 contains potatoes, so that the magnetic strip 256 is separated when the second bag body 254 contains potatoes, and the second bag body 254 is unfolded.

[0036] Specifically, the bag buckle 34 includes a fixed part 341, a movable part 342, and a stop bar 344. The fixed part 341 is fixedly connected to the chain 33. The movable part 342 is arc-shaped, with its arc-shaped opening facing the fixed part 341. One end of the movable part 342 is connected to the fixed part 341 via a hinge spring 343, and the other end is an open end that opens and closes relative to the fixed part 341, allowing the ton bag 25 to be attached or detached from the movable part. The stop bar 344 is fixedly connected to the fixed part 341 near the open end. The stop bar 344 extends in a direction perpendicular to the movement of the chain 33, and both ends of the stop bar 344 extend to the outside of the fixed part 341. When the chain 33 drives the bag buckle 34 to rotate and turn via the sprocket 32, the hanging ear of the ton bag 25 drives the movable part 342 to rotate around the hinge spring 343. Combined with the stopping action of the stop bar 344, this causes the hanging ear to detach from the open end.

[0037] The lifting mechanism includes a lifting platform 43, a wedge-shaped stop 46, and a ramp 48. The lifting platform 43 is positioned below the ton bag 25 and reciprocates within the unloading hopper. A weight sensor is installed on the lifting platform 34 to detect the weight of the ton bag 25 on the lifting platform 34. When potatoes are placed inside the ton bag 25, the bottom of the ton bag 25 contacts the lifting platform 34. The wedge-shaped stop 46 and the ramp 48 are fixedly connected to the base 11, and the lifting platform 34 tilts along the ramp 48 when it reaches the bottom. A pressure sensor 47 is installed on the upper surface of the wedge-shaped stop 46. Preferably, as shown in the figure... Figure 3 As shown, a vibrating rod 452 runs through the lifting platform 43, and a vibrating motor 451 is fixedly connected to both ends of the vibrating rod 452. The vibrating motor 451 drives the lifting platform 34 and the ton bag 25 on it to vibrate slightly, thereby making the potatoes inside the ton bag 25 more compact without damage. The lifting mechanism also includes a cylinder 41 and a steel cable 42. The cylinder 41 is fixedly installed on the base 11, and the end of the piston rod of the cylinder 41 is fixedly connected to the lifting platform 43 through the steel cable 42. A limiting post 442 is fixedly connected to the side of the lifting platform 43. A limiting groove 441 is provided on the inner side of the side plate 12 along the vertical direction. The limiting post 442 is engaged in the limiting groove 441 and moves along the limiting groove 441 to limit the lifting platform 43.

[0038] Preferably, a switch button 51 and a display screen 52 are provided on the side panel 12, and the switch button 51, the display screen 52, the weight sensor and the pressure sensor 47 are communicatively connected.

[0039] like Figure 9 As shown, a potato harvester collection method, using the aforementioned potato harvester collection device, includes the following steps:

[0040] S1. Potatoes enter the ton bag 25 from the collection port 23, the ton bag 25 is unfolded, and the bottom of the ton bag 25 contacts the lifting platform 43;

[0041] S2. The potatoes in the ton bag 25 are increased, the weight of the ton bag 25 is increased, and the lifting platform 43 is gradually lowered under the action of the air cylinder 41;

[0042] S3. The weight sensor detects that the potatoes in the ton bag 25 reach a predetermined weight, the collection baffle 24 moves and covers the collection port 23, the collection port 23 no longer passes through the potatoes; the lifting platform 43 drives the ton bag 25 to continue to fall until the bottom of the lifting platform 43 contacts the wedge-shaped stopper 46, the pressure sensor 47 receives the pressure signal of the lifting platform 43 and the ton bag 25, and the chain 33 moves to make the ton bag 25 fall off the bag buckle 34;

[0043] S4. The piston rod of the air cylinder 41 continues to extend, the lifting platform 43 is inclined along the slope 48, the ton bag 25 slides along the slope 48, and moves out of the discharge bin;

[0044] S5. After the weight sensor detects that the ton bag 25 slides to the end, the air cylinder 41 drives the lifting platform 43 to rise to the original position, the chain 33 drives the next ton bag 25 to move to the collection port 23, the collection baffle 24 moves and exposes the collection port 23, and steps S1-S4 are repeated.

[0045] The above describes the present application by way of example, but the present application is not limited to the above specific embodiments, and any modification or change made on the basis of the present application falls within the scope of the present application.

Claims

1. A collecting device for a potato harvester, characterized in that, The system includes a base (11), side plates (12), a collection mechanism, a bag-changing mechanism, and a lifting mechanism. The side plates (12) are located above the base (11), and the three side plates (12) and the base (11) enclose a discharge bin. The collection mechanism includes a fixed frame (21), a cantilever beam (22), a collection port (23), and a ton bag (25) located above the side plates (12). The fixed frame (21) is fixedly installed relative to the base (11). One end of the cantilever beam (22) is fixedly connected to the fixed frame (21), and the other end is connected to the drive equipment. The collection port (23) is fixedly connected to the fixed frame (21) and opens towards the ton bag (25). The bag-changing mechanism includes a chain (33) and a bag buckle (34). The chain (33) circulates on the fixed frame (21). The bag buckle (34) is an openable structure. There are multiple bag buckles (34) and they are evenly distributed on the chain (33). There are multiple ton bags (25) and they are detachably hung on the bag buckles (34). When the chain (33) turns from the fixed frame (21), the ton bag (25) is detached from the bag buckle (34). The lifting mechanism includes a lifting platform (43), a wedge block (46) and a ramp (48). The lifting platform (43) is set below the ton bag (25) and moves back and forth in the unloading bin. When potatoes are placed in the ton bag (25), the bottom of the ton bag (25) contacts the lifting platform (43). The wedge block (46) and the ramp (48) are fixedly connected to the base (11). When the lifting platform (43) reaches the bottom, it tilts along the ramp (48). A weight sensor is installed on the lifting platform (43), and a pressure sensor (47) is installed on the upper surface of the wedge-shaped stop (46); a collection baffle (24) is slidably installed inside the collection port (23).

2. The collecting device for a potato harvester according to claim 1, characterized in that, The ton bag (25) includes a first bag body (251), a first hanging ear (252) is provided on the top of the first bag body (251), the first hanging ear (252) is hung on the bag buckle (34), the first bag body (251) is composed of multiple continuous folded layers, and a braided knot (253) is provided on the side of each folded layer. Adjacent braided knots (253) are connected, and the connection strength is less than the tensile strength of the braided knot (253) when potatoes are placed in the first bag body (251).

3. The collecting device for a potato harvester according to claim 1, characterized in that, The ton bag (25) includes a second bag body (254), and a second hanging ear (255) is provided on the top of the second bag body (254). The second hanging ear (255) is hung on the bag buckle (34). The second bag body (254) is composed of multiple continuous folded layers. A magnetic strip (256) is provided between each folded layer. Adjacent folded layers are attracted by the magnetic strip (256). The attraction strength is less than the tensile strength of the magnetic strip (256) when potatoes are placed in the second bag body (254).

4. The collecting device for a potato harvester according to claim 1, characterized in that, The bag buckle (34) includes a fixed part (341), a movable part (342), and a stop bar (344). The fixed part (341) is fixedly connected to the chain (33). The movable part (342) is arc-shaped with the arc opening facing the fixed part (341). One end of the movable part (342) is connected to the fixed part (341) through a hinge spring (343), and the other end is an open end. The open end opens and closes relative to the fixed part (341), and the ton bag (25) is hung or detached from the movable part. The stop bar (344) is fixedly connected to the fixed part (341) near the open end. The stop bar (344) extends in a direction perpendicular to the movement of the chain (33), and both ends of the stop bar (344) extend to the outside of the fixed part (341).

5. A collecting device for a potato harvester according to claim 1, characterized in that, The lifting platform (43) has a vibrating rod (452) running through it, and the two ends of the vibrating rod (452) are fixedly connected to a vibrating motor (451).

6. A collecting device for a potato harvester according to claim 1, characterized in that, The lifting mechanism also includes a cylinder (41) and a steel rope (42). The cylinder (41) is fixedly installed on the base (11). The piston rod end of the cylinder (41) is fixedly connected to the lifting platform (43) through the steel rope (42). The side of the lifting platform (43) is fixedly connected to a limiting post (442). The inner side of the side plate (12) is provided with a limiting groove (441) in the vertical direction. The limiting post (442) is engaged in the limiting groove (441) and moves along the limiting groove (441).

7. A collecting device for a potato harvester according to claim 1, characterized in that, A switch button (51) and a display screen (52) are provided on the side panel (12), and the switch button (51), the display screen (52), the weight sensor and the pressure sensor (47) are connected in communication.

8. A method for collecting potatoes for a potato harvester, using a collecting device for a potato harvester as described in claim 6, characterized in that, Includes the following steps: S1. Potatoes enter the ton bag (25) through the collection port (23), the ton bag (25) is unfolded, and the bottom of the ton bag (25) contacts the lifting platform (43); S2. As the number of potatoes in the ton bag (25) increases, the weight of the ton bag (25) increases, and the lifting platform (43) gradually descends under the action of the cylinder (41); S3. The weight sensor detects that the potatoes in the ton bag (25) have reached the predetermined weight. The collection baffle (24) moves and covers the collection port (23), and the potatoes no longer pass through the collection port (23). The lifting platform (43) drives the ton bag (25) to fall continuously until the bottom of the lifting platform (43) contacts the wedge block (46). The pressure sensor (47) receives the pressure signal from the lifting platform (43) and the ton bag (25). The chain (33) moves to make the ton bag (25) fall off the bag buckle (34). S4. The piston rod of cylinder (41) continues to extend, the lifting platform (43) tilts along the ramp (48), the ton bag (25) slides down along the ramp (48) and moves out of the unloading hopper; S5. After the weight sensor detects that the ton bag (25) has fallen, the cylinder (41) drives the lifting platform (43) to rise to its original position, the chain (33) drives the next ton bag (25) to move to the collection port (23), the collection baffle (24) moves and exposes the collection port (23), and repeats steps S1-S4.

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