Low-loss potato picking device

Abstract

The utility model relates to the field of potato collecting equipment, in particular to a low-loss potato picking device which comprises a shell, a shovel piece is arranged at the bottom of the front of the shell, a potato shifting mechanism and a potato guiding mechanism are sequentially arranged in the shell from front to back, a collecting box is arranged behind the potato guiding mechanism, and the collecting box is fixedly connected to the shell and communicated with the inner space of the shell. The utility model provides an automatic potato picking device which can automatically complete actions such as potato collection and the like and prevent potatoes from being damaged in the collection process. The picking claws which rotate circularly and stretch out and retract periodically are adopted, the picking distance can be prolonged, falling and other situations in the collecting process are avoided, the picking claws can be prevented from being staggered with the potato guiding plates on the rear portion, and the situation that potatoes are damaged or the device is damaged by stones is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to potato collecting equipment field, especially a kind of low-loss picking device of potato. BACKGROUND

[0002] At present, potato industry develops rapidly, but the main problem limiting its development is low degree of mechanization. There are problems of high damage and impurity rate in domestic harvesting method, which is not conducive to storage. At present, potato harvesting in China mainly relies on mechanical excavation plus manual picking, which has low degree of mechanization, high labor intensity, time-consuming and high cost, and restricts the development of industry.

[0003] The key design of potato picking machine discloses a kind of potato picking machine, when operating, the anti-leakage potato grid gathers the edge potato to the center, the picking shovel sends the soil-containing potato into the separation conveying chain, the soil falls back to the ground, and the potato is conveyed to the rake tooth. The rake tooth lifts the potato to a high place, and after being thrown and impacting the rubber curtain, it falls into the potato collecting box. Although the machine improves the picking efficiency, the leakage rate and the damage rate are still high. The elastic tooth type potato picking device discloses a kind of elastic tooth type potato picking device, the main transmission shaft drives the drum disc and elastic tooth shaft to rotate, the roller is connected with the crank and elastic tooth shaft, and rolls in the cam slide, controls the elastic tooth movement track. Cam is fixed on the rack. The picking elastic tooth extends to the outside of the arc-shaped shell when moving to the lowest point, and is inserted into the ground to pick up the potato. The potato rolls into the potato collecting box after rising to the highest point with the elastic tooth, and the elastic tooth retracts to complete the picking operation. The machine has the problem of soil accumulation caused by too large machine into the soil during operation, and the phenomenon of missing picking of part of the potato.

[0004] In summary, different experts and scholars research potato picking devices, each has advantages and disadvantages, but cannot completely solve the problems of leakage, damage and soil accumulation. INVENTION CONTENTS

[0005] The utility model aims at solving the above problems, and provides a kind of low-loss picking device of potato, which adopts the technical scheme as follows:

[0006] The potato low-loss picking device comprises a shell, a shovel blade arranged at the bottom of the front of the shell, a potato poking mechanism and a potato guiding mechanism arranged in the shell from front to back, and a collecting box arranged at the rear of the potato guiding mechanism, wherein the collecting box is fixedly connected to the shell and communicates with the internal space of the shell; the potato poking mechanism is arranged above the shovel blade and moves the potatoes on the shovel blade to the potato guiding mechanism; the potato guiding mechanism comprises a potato guiding wheel, a potato guiding ring, a picking claw and a potato guiding plate, the potato guiding wheel is fixedly arranged on the shell, a sliding groove is arranged on the potato guiding wheel, the potato guiding ring is fixedly connected to a rotating frame, the end of the picking claw is hingedly connected to the rotating frame, the middle of the picking claw moves along the sliding groove, the potato guiding plate is arranged between the potato guiding ring and the collecting box, and the height of the potato guiding plate gradually decreases; the picking claw gradually extends outward and rotates to the bottom after passing through the potato guiding plate at the rear side, the picking claw is completely extended when reaching the bottom of the potato guiding ring, the picking claw rotates upward to the upper side of the potato guiding ring, starts to retract into the potato guiding ring, and retracts to the limit position when reaching the potato guiding plate, and the rear end edge line of the picking claw does not exceed the front end edge line of the potato guiding plate.

[0007] On the basis of the above scheme, the number of the potato guiding rings is multiple, the potato guiding rings rotate synchronously and are coaxially arranged with the potato guiding wheel, and the picking claw and the potato guiding ring are staggered.

[0008] On the basis of the above scheme, the middle of the picking claw is hingedly connected to a roller, the roller is clamped in the sliding groove and moves along the sliding groove.

[0009] On the basis of the above scheme, the potato guiding mechanism further comprises a potato guiding shaft, the rotating frame is fixedly connected to the potato guiding shaft and rotates synchronously, a connecting frame is fixedly arranged between the end of the rotating frame and the potato guiding ring, a hinged rod is fixedly arranged between the ends of adjacent connecting frames, the hinged rod is coaxially arranged, the end of the picking claw is hingedly connected to the hinged rod, a connecting rod is penetratingly arranged at the middle of the side close to the hinged rod of the picking claw, and the roller is rotatably arranged at the end of the connecting rod.

[0010] Preferably, the potato guiding plate is composed of a strip structure, the number of the strip structures is multiple, and the strip structures are arranged in parallel in the horizontal direction, and the picking claw is correspondingly arranged at the interval position between adjacent strip structures.

[0011] Preferably, the potato poking mechanism comprises a potato poking wheel, a potato poking roller and a potato poking shaft, the potato poking wheel is fixedly connected to the two ends of the potato poking shaft and rotates synchronously with the potato poking shaft, the potato poking roller is fixedly connected between the potato poking wheels and is parallel to the potato poking shaft, the number of the potato poking rollers is multiple, and the potato poking rollers are uniformly distributed in the circumferential direction at the edge of the potato poking wheel.

[0012] Preferably, the potato poking mechanism further comprises a potato poking driving mechanism, the potato guiding mechanism further comprises a potato guiding driving mechanism, and the potato poking driving mechanism moves synchronously with the potato guiding driving mechanism.

[0013] Preferably, a sprout removing mechanism is arranged between the potato guiding mechanism and the collecting box, the sprout removing mechanism comprises sprout removing rollers and a sprout blocking plate, the sprout removing rollers are arranged at the end of the potato guiding plate and are parallel to the axis of the potato guiding ring, the sprout removing rollers are arranged in pairs along the longitudinal direction and roll oppositely, grooves are arranged on the surface of the sprout removing rollers, the sprout blocking plate is arranged behind the sprout removing rollers, the lower edge of the sprout blocking plate is lower than the upper edge of the lower sprout removing roller, and the sprout blocking plate is made of flexible material.

[0014] Preferably, a plurality of teeth are fixedly arranged on the upper side of the blade, the teeth protrude from the surface of the blade, the front end of the tooth is tapered, and the tooth protrudes from the front end of the blade; a plurality of bars are fixedly connected behind the blade, the bars extend from front to back to the bottom of the potato guiding mechanism, and intervals are arranged between adjacent bars.

[0015] Preferably, a depth limiting wheel and a connecting frame are arranged on the shell.

[0016] The potato picking device can automatically complete potato harvesting, preliminary soil screening, sprout removal, and collection, reduces the throwing height and distance in the potato collection process, and avoids damage to the potatoes during the collection process. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 The utility model discloses a structure schematic diagram;

[0018] Fig. 2 The utility model discloses a shell internal structure schematic diagram;

[0019] Fig. 3 The utility model discloses a shell internal structure front view;

[0020] Fig. 4 The utility model discloses a potato guiding mechanism partial structure enlarged view. DETAILED DESCRIPTION

[0021] The utility model will be further described in connection with the drawings and examples:

[0022] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements or the interaction of two elements. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0023] In the description of the utility model, it needs to understand that the orientation or positional relation indicated by the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and the like is the orientation or positional relation based on the drawings shown, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. 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 explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0024] In the utility model, unless otherwise specified and limited, the "upper" or "lower" of the first feature in the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "above", "upper" and "upper surface" of the first feature in the second feature include that the first feature is 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 "below", "under" and "under" of the first feature in the second feature include that the first feature is 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.

[0025] As shown in Figs. 1 to 4 A potato low-loss picking device, comprising a shell 11, a depth limiting wheel 13 and a connecting frame are arranged on the shell 11, and when in use, the connecting frame is fixedly connected with a front tractor or other driving equipment, so that the picking device can be moved.

[0026] A shovel 21 is arranged at the bottom of the front of the shell 11, a potato pushing mechanism and a potato guiding mechanism are arranged in the shell 11 from front to rear, a collecting box 12 is arranged behind the potato guiding mechanism, the collecting box 12 is fixedly connected with the shell 11 and communicates with the internal space of the shell 11, and is used for collecting potatoes in the shell 11.

[0027] The shovel blade 21 is fixedly provided with a plurality of shovel teeth 22 protruding from the surface of the shovel blade 21, the front end of the shovel tooth 22 is tapered, and the front end of the shovel tooth 22 protrudes from the front end of the shovel blade 21, so as to facilitate the shovel blade 21 to shovel and guide the potatoes in the soil; the rear of the shovel blade 21 is fixedly connected with a plurality of grid bars 23 extending from front to rear to the bottom of the potato guiding mechanism, and the adjacent grid bars 23 are provided with intervals, so as to facilitate the fallen potatoes to be received when the potatoes move in the potato poking mechanism and the potato guiding mechanism, and at the same time, the soil attached to the potatoes falls through the grid bars 23 and falls into the soil.

[0028] The potato poking mechanism is arranged above the shovel blade 21 and moves the potatoes on the shovel blade 21 to the potato guiding mechanism; the potato poking mechanism comprises a potato poking wheel 31, a potato poking roller 32 and a potato poking shaft 33, the potato poking wheel 31 is fixedly connected at both ends of the potato poking shaft 33 and rotates synchronously with the potato poking shaft 33, the potato poking roller 32 is fixedly connected between the potato poking wheel 31 and is parallel to the potato poking shaft 33, the number of the potato poking roller 32 is multiple, and the potato poking roller 32 is uniformly distributed in the circumferential direction at the edge of the potato poking wheel 31. When the potato poking wheel 31 rotates, the potato poking roller 32 lifts the potatoes on the shovel blade 21 and moves the potatoes to the potato guiding mechanism through the rotating action of the potato poking wheel 31.

[0029] The potato guiding mechanism comprises a potato guiding wheel 411, a plurality of potato guiding rings 424, a picking claw 431 and a potato guiding plate 44, the potato guiding wheel 411 is fixedly arranged on the shell 11, the potato guiding wheel 411 is provided with a sliding groove 412, the number of the potato guiding ring 424 is multiple, the potato guiding ring 424 rotates synchronously and is coaxially arranged with the potato guiding wheel 411, the picking claw 431 is arranged alternately with the potato guiding ring 424, the potato guiding ring 424 is fixedly connected with a rotating frame 422, the end of the picking claw 431 is hinged to the rotating frame 422, the middle of the picking claw 431 is hinged to a roller 432, and the roller 432 is clamped in the sliding groove 412 and moves along the sliding groove 412. Specifically, the potato guiding mechanism further comprises a potato guiding shaft 421, the rotating frame 422 is fixedly connected with the potato guiding shaft 421 and rotates synchronously, a connecting frame 423 is fixedly arranged between the end of the rotating frame 422 and the potato guiding ring 424, the ends of adjacent connecting frames 423 are fixedly arranged with a hinge rod, the hinge rod is coaxially arranged, the end of the picking claw 431 is hinged to the hinge rod, the middle of the picking claw 431 close to the hinge rod is provided with a connecting rod 433, and the roller 432 is rotatably arranged at the end of the connecting rod 433.

[0030] The potato guiding plate 44 is arranged between the potato guiding ring 424 and the collecting box 12, and the height of the potato guiding plate 44 gradually decreases; the potato guiding plate 44 is composed of a plurality of strip structures, and the strip structures are arranged in parallel in the horizontal direction, and the picking claw 431 is arranged at the interval position between adjacent strip structures.

[0031] The picking claw 431 gradually extends outward and rotates to the bottom after passing the potato guide plate 44 at the rear side, and when the picking claw 431 reaches the bottom of the potato guide ring 424, it is fully extended, facilitating the movement from the bottom to the front, picking up the fallen potatoes between the potato poking rollers 32 and continuing to move; when the picking claw 431 rotates upward from the front side to the upper side of the potato guide ring 424, it starts to retract into the potato guide ring 424, and when it reaches the potato guide plate 44, it retracts to the limit position, at which time the rear end edge line of the picking claw 431 does not exceed the front end edge line of the potato guide plate 44, thereby preventing the picking claw 431 from cutting the potatoes when it intersects with the potato guide plate 44, and also preventing stones and other debris falling on the potato guide plate 44 from being cut.

[0032] The potato poking mechanism further comprises a potato poking driving mechanism 34, and the potato guide mechanism further comprises a potato guide driving mechanism 45, and the potato poking driving mechanism 34 and the potato guide driving mechanism 45 move synchronously. The potato poking driving mechanism 34 and the potato guide driving mechanism 45 can be gear transmission mechanisms that mesh with each other.

[0033] The potato guide mechanism and the collection box 12 are provided with a weeding mechanism, which comprises a weeding roller 51 and a weeding plate 52. The weeding roller 51 is arranged at the end of the potato guide plate 44 and is parallel to the axis of the potato guide ring 424. The weeding roller 51 is arranged in pairs along the longitudinal direction and rolls relatively. The surface of the weeding roller 51 is provided with grooves, which are irregularly shaped and distributed on the entire weeding roller 51, for winding and separating the mixed vines. The weeding plate 52 is arranged behind the weeding roller 51, and the lower edge of the weeding plate 52 is lower than the upper edge of the lower weeding roller 51. The weeding plate 52 is made of flexible material. The two weeding rollers 51 roll relatively from the outside to the inside on the side facing the potato guide plate 44, separating the vines from the potatoes. The separated potatoes fall into the collection box 12 after passing the weeding plate 52.

[0034] The above has described the present application by way of example, but the present application is not limited to the above specific embodiments, and any modification or variation made based on the present application falls within the scope of the present application.

Claims

1. A low-loss potato picking device, characterized in that The potato collecting device comprises a shell (11), a shovel (21) arranged at the bottom of the front of the shell (11), a potato pushing mechanism and a potato guiding mechanism arranged in the shell (11) from front to back, and a collecting box (12) arranged at the rear of the potato guiding mechanism, which is fixedly connected to the shell (11) and communicates with the internal space of the shell (11). The potato pushing mechanism is arranged above the shovel (21) and transfers the potatoes on the shovel (21) to the potato guiding mechanism. The potato guiding mechanism comprises a potato guiding wheel (411), a potato guiding ring (424), a picking claw (431) and a potato guiding plate (44). The potato guiding wheel (411) is fixedly arranged on the shell (11), and a sliding groove (412) is arranged on the potato guiding wheel (411). The potato guiding ring (424) is fixedly connected to a rotating frame (422). The end of the picking claw (431) is hingedly connected to the rotating frame (422). The middle part of the picking claw (431) moves along the sliding groove (412). The potato guiding plate (44) is arranged between the potato guiding ring (424) and the collecting box (12), and the height of the potato guiding plate (44) gradually decreases. The picking claw (431) gradually extends outward and rotates to the bottom after passing through the potato guiding plate (44) at the rear side. When the picking claw (431) reaches the bottom of the potato guiding ring (424), it is completely extended. When the picking claw (431) rotates upward from the front side to the upper side of the potato guiding ring (424), it starts to retract into the potato guiding ring (424). When the picking claw (431) reaches the potato guiding plate (44), it retracts to the limit position. At this time, the rear end edge line of the picking claw (431) does not exceed the front end edge line of the potato guiding plate (44).

2. A low-loss potato picking device according to claim 1, characterized in that The number of the potato guiding rings (424) is multiple. The potato guiding rings (424) rotate synchronously and are coaxially arranged with the potato guiding wheel (411). The picking claws (431) and the potato guiding rings (424) are arranged alternately.

3. A low-loss potato picking device according to claim 2, characterized in that The middle part of the picking claw (431) is hingedly connected to a roller (432), which is clamped in the sliding groove (412) and moves along the sliding groove (412).

4. A low-loss potato picking device according to claim 3, characterized in that The potato guiding mechanism further comprises a potato guiding shaft (421). The rotating frame (422) is fixedly connected to the potato guiding shaft (421) and rotates synchronously. A connecting frame (423) is fixedly arranged between the end of the rotating frame (422) and the potato guiding ring (424). Hinge rods are fixedly arranged between the ends of adjacent connecting frames (423). The hinge rods are coaxially arranged. The end of the picking claw (431) is hingedly connected to the hinge rod. A connecting rod (433) is arranged through the middle part of the picking claw (431) close to the hinge rod. The roller (432) is rotatably arranged at the end of the connecting rod (433).

5. A low-loss potato picking device according to claim 1, characterized in that The potato guiding plate (44) is composed of strip structures. The number of the strip structures is multiple, and they are arranged in parallel in the horizontal direction. The picking claws (431) are arranged at the interval positions between adjacent strip structures.

6. A low-loss potato picking device according to claim 1, characterized in that The potato poking mechanism comprises a potato poking wheel (31), a potato poking roller (32) and a potato poking shaft (33), the potato poking wheel (31) is fixedly connected at both ends of the potato poking shaft (33) and rotates synchronously with the potato poking shaft (33), the potato poking roller (32) is fixedly connected between the potato poking wheels (31) and is parallel to the potato poking shaft (33), the number of the potato poking rollers (32) is multiple, and the potato poking rollers (32) are uniformly distributed in the circumferential direction at the edges of the potato poking wheels (31).

7. A low-loss potato picking device according to claim 1, characterized in that The potato poking mechanism further comprises a potato poking driving mechanism (34), and the potato poking driving mechanism (34) moves synchronously with the potato guiding driving mechanism (45).

8. A low-loss potato picking device according to claim 1, characterized in that The potato guiding mechanism and the collecting box (12) are provided with a weeding mechanism, the weeding mechanism comprises a weeding roller (51) and a weeding plate (52), the weeding roller (51) is arranged at the end of the potato guiding plate (44) and is parallel to the axis of the potato guiding ring (424), the weeding rollers (51) are arranged in pairs in the longitudinal direction and roll oppositely, grooves are arranged on the surface of the weeding roller (51), the weeding plate (52) is arranged behind the weeding roller (51), the lower edge of the weeding plate (52) is lower than the upper edge of the lower weeding roller (51), and the weeding plate (52) is made of a flexible material.

9. A low-loss potato picking device according to claim 1, characterized in that The upper side of the spade blade (21) is fixedly provided with spade teeth (22), the number of the spade teeth (22) is multiple, the spade teeth (22) protrude from the surface of the spade blade (21), the front end of the spade tooth (22) is conical and protrudes from the front end of the spade blade (21), the rear of the spade blade (21) is fixedly connected with a grid (23), the grid (23) extends from front to back to the bottom of the potato guiding mechanism, the number of the grid (23) is multiple, and intervals are arranged between adjacent grids (23).

10. A low-loss potato picking device according to claim 1, characterized in that The shell (11) is provided with a depth limiting wheel (13) and a connecting frame.

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