Potato separating device of potato harvester

By designing the separation module, drainage module and lifting module of the potato harvester, the problem of low soil adhesion and separation efficiency is solved, and a more efficient separation of potato and soil and soil discharge effect is achieved.

CN119999428APending Publication Date: 2025-05-16GANSU AGRI UNIV
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Patent Information

Application Number
CN202510288577.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2025-05-16

AI Technical Summary

Technical Problem

When the existing potato harvester separates potatoes from the soil, the soil is prone to adhere to the rods, affecting the separation effect, and the soil cannot be discharged in time, reducing the separation efficiency.

Method used

A potato separation device for a potato harvester is designed, including a separation module, a drainage module and a lifting module. The separation module separates the potato from the soil by combining gears, chains and separation rods, and increases the vibration force through the semicircular barrier bar and return spring to shake the soil. The drainage module drives the soil to discharge through push plates and screws to prevent the soil from falling to the separation rod below. The lifting module tilts the device through an electric telescopic rod to ensure that the shovel plate penetrates deep into the soil.

Benefits of technology

It effectively solves the problem of low soil adhesion and separation efficiency, better separate potatoes and soil through vibration and rotational actions, and timely discharge soil through the drainage module, improving the overall separation efficiency.

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Abstract

The invention relates to the technical field of potatoes, in particular to a potato separating device of a potato harvester, potatoes and soil are separated through vibration of a separating rod piece, and when the separating rod piece runs to the top of the left end of a semicircular barrier strip, the separating rod piece abuts against an abutting plate, so that a supporting rod rotates by a certain angle on the outer wall of the separating rod piece; after the blocking of the semicircular blocking strip is lost, under the action of the reset spring, the abutting plate and the supporting rod rapidly reset, the arc-shaped plate and the sealing plate as well as the abutting plate and the sleeve plate collide, so that certain vibration force is applied to the separation rod piece, soil attached to the separation rod piece is better shaken off through the vibration force, excessive soil is prevented from being attached to the separation rod piece, and the separation rod piece is prevented from being damaged. Meanwhile, through the soil discharging module, soil separated by the separation rod piece located on the upper portion is discharged from the front side and the rear side of the device, and the situation that the soil falls onto the separation rod piece located on the lower portion and cannot be discharged in time is prevented.
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Description

Technical Field

[0001] The invention belongs to the technical field of potatoes, and in particular relates to a potato separation device of a potato harvester. Background Art

[0002] Potatoes, also known as potatoes, yam eggs, ground eggs, potatoes, Dutch potatoes, etc., are annual herbaceous plants of the Solanaceae family Solanum. Potato harvesters use shovels to directly scoop up the soil around the planted potatoes and the potatoes from the ground. In the prior art, potatoes are transported by moving rods, and the potatoes are separated from the soil by the vibration of the rods when they move. During separation, part of the soil often adheres to the rods. As the separation continues, too much soil adheres, which affects the separation effect of the rods on the potatoes and the soil. In addition, the soil falls from between the two adjacent rods located above and falls on the rod located below, and cannot be discharged in time, which reduces the separation effect of the soil. Summary of the invention

[0003] The object of the present invention is to provide a potato separation device for a potato harvester to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A potato separation device of a potato harvester comprises side plates, two groups of side plates are symmetrically arranged front and back, a shovel plate is connected to the left side of the two groups of side plates, a separation module is arranged between the two groups of side plates, the separation module comprises gears, chains, separation rods and support rods, the chain is symmetrically arranged front and back, the gears are symmetrically arranged in the chain, the gears are meshed and connected with the chain, the separation rods are equidistantly connected to the outer wall of the chain, the support rods are slidably matched to the outer wall of the separation rods, a soil discharge module is arranged in the middle of the chain, and the soil discharge module comprises an opening, a bearing plate, an inclined plate and A push plate, an opening is provided in the side plate, and the opening passes through the side plate front and back, the front and rear ends of the load-bearing plate are both arranged in the opening, the load-bearing plate is L-shaped structure, and the load-bearing plate is connected to the side plate, the inclined plate is connected to the right end of the load-bearing plate, the push plate is arranged on the top of the load-bearing plate, and the left side and the bottom of the push plate are both slidably matched with the load-bearing plate, a lifting module is provided on the outside of the side plate, the lifting module includes a central rod and an electric telescopic rod, the central rod is connected to the upper right end of the side opposite to each other of the two sets of side plates, and the electric telescopic rod is arranged in the upper middle part between the two sets of side plates.

[0005] Preferably, the separation module also includes a primary drive motor, a rotating shaft and a semicircular baffle, the primary drive motor is fixedly connected to the right side of the side plate on the front side by a positioning bolt, the rotating shaft is connected between the front and rear sets of gears, the rear end of the rotating shaft passes through the gear and is connected to the side plate bearing on the rear side, the front end of the rotating shaft on the left side passes through the gear and is connected to the side plate bearing on the front side, the front end of the rotating shaft on the right side passes through the gear and the side plate, and is connected to the output end of the primary drive motor, the semicircular baffle is arranged on the right side of the chain, and the semicircular baffle is connected to the side plate, starting the primary drive motor can drive the gear to rotate, thereby moving the chain and the separation rod; The right end of the inclined panel member is located above the rotating shaft located on the right side, and the front and rear sides of the inclined panel member are connected to the side panels.

[0006] Preferably, the separation module also includes an arc-shaped plate, a resist plate, a sleeve plate, an internal notch, a reset spring and a sealing plate. The resist plate is symmetrically arranged at the top of the separation rod front and back, the arc-shaped plate is connected to the right side of the resist plate, and the inner wall of the arc-shaped plate is slidably matched with the separation rod, the sleeve plate is sleeved on the outer wall of the arc-shaped plate, and the sleeve plate is connected to the separation rod, the internal notch is opened in the sleeve plate, and the internal notch passes through the sleeve plate front and back, the reset spring and the sealing plate are both arranged in the internal notch, and the sealing plate is symmetrically arranged at both sides of the reset spring front and back, the two ends of the reset spring are respectively connected to the arc-shaped plate and the sleeve plate, and the sealing plate is connected to the sleeve plate. When the separation rod located at the top moves to the right end so that the resist plate contacts the left side of the semicircular baffle bar, the semicircular baffle bar resists the resist plate, so that the resist plate drives the arc-shaped plate The parts and the support rod rotate around the separation rod. When the separation rod and the support rod completely pass through the semicircular baffle bar, the support rod rotates to scrape off the soil above the outer wall of the separation rod. When the separation rod located above moves to the right end and the back plate contacts the left side of the semicircular baffle bar, the semicircular baffle bar presses against the back plate, so that the back plate drives the arc plate and the support rod to rotate a certain angle around the separation rod. When the separation rod and the support rod completely pass through the semicircular baffle bar, the semicircular baffle bar is lost to block the arc plate. Under the action of the reset spring, the back plate and the support rod are quickly reset, and the arc plate collides with the sealing plate, the back plate and the sleeve plate, thereby applying a certain vibration force to the separation rod. Through the vibration force, the soil attached to the separation rod can be better shaken off.

[0007] Preferably, the soil discharge module also includes a strip plate, a mounting plate, a secondary drive motor and a screw. The mounting plate is arranged on the side opposite to the two groups of side plates, and the mounting plate is in an inverted mountain shape. The strip plate is connected between the mounting plate and the side plate. The secondary drive motor is fixedly connected to the bottom end of the middle front side of the mounting plate located on the front side by a positioning bolt. The screw is arranged in the middle of the push plate. The front end of the screw passes through the push plate and the mounting plate located on the front side, and is connected to the output end of the secondary drive motor. The rear end of the screw passes through the push plate and is connected to the bearing of the mounting plate located on the rear side. Start the secondary drive motor to make the screw rotate repeatedly, thereby driving the push plate to move back and forth, pushing the soil carried by the load-bearing plate, and pushing the soil out of the opening.

[0008] Preferably, the soil discharge module also includes a stabilizing rod, which is symmetrically connected to the rear end of the mounting plate located on the front side, and the rear end of the stabilizing rod passes through the push plate and is connected to the mounting plate located on the rear side. The outer wall of the stabilizing rod is slidably matched with the push plate. Through the setting of the stabilizing rod, the push plate is restricted without affecting the translation of the push plate, thereby making the push plate more stable.

[0009] Preferably, the lifting module also includes a support plate, a sleeve rod, a connecting piece and wheels. The support plate is arranged at the lower side of the two groups of side panels opposite to each other. The sleeve rod is connected to the right side of the top of the support plate. The top end of the sleeve rod is sleeved on the outer wall of the central rod, and the central rod is connected to the sleeve rod bearing. The connecting piece is connected to the bottom end of the front side of the sleeve rod, and the wheels are connected to the front side of the connecting piece. The wheels make it easy for the device to move with the vehicle. The setting of the sleeve rod can support and limit the side panels without affecting the rotation of the side panels around the central rod.

[0010] Preferably, the lifting module also includes a primary vertical plate, a primary transverse rod, a primary rotating member, a secondary vertical plate, a secondary transverse rod and a secondary rotating member, the primary vertical plate is connected to the left side of the top of the supporting plate, the primary transverse rod is connected above the two groups of primary vertical plates, the primary rotating member is sleeved in the middle of the outer wall of the primary transverse rod, and the primary transverse rod is connected to the primary rotating member through a bearing, the secondary vertical plate is connected to the left side of the top of the side plate, the secondary transverse rod is connected between the two groups of secondary vertical plates, the secondary rotating member is sleeved in the middle of the outer wall of the secondary transverse rod, and the secondary transverse rod is connected to the secondary rotating member through a bearing, the electric telescopic rod is connected to the bottom end of the primary rotating member, and the output end of the bottom of the electric telescopic rod is connected to the secondary rotating member, the electric telescopic rod is turned on, so that the secondary transverse rod drives the shovel plate, the two side plates and the separation module to tilt to the left, until the shovel plate is shoveled into the soil as the vehicle moves forward.

[0011] Preferably, the lifting module also includes an overhanging plate, a pulling rod and a limiting plate. The overhanging plate is connected to the upper left side of the first-level vertical plate. The limiting plate is arranged on the opposite side of the two groups of overhanging plates. The pulling rod is connected between the overhanging plate and the limiting plate. The device is connected to the vehicle by pulling the rod.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: when the present invention is in use, when the potatoes are transported by the separation rod, the potatoes and the soil are separated by the vibration of the separation rod itself, and when the separation rod runs to the top of the left end of the semicircular baffle, it presses against the backing plate, so that the backing plate drives the arc plate and the support rod to rotate a certain angle with the separation rod as the center, and when the separation rod and the support rod completely pass through the semicircular baffle, the semicircular baffle is lost. Under the action of the reset spring, the backing plate and the support rod are quickly reset, and the arc plate collides with the sealing plate, and the backing plate collides with the sleeve plate. , thereby applying a certain vibration force to the separation rod, through which the soil attached to the separation rod can be better shaken off, preventing too much soil from adhering to the separation rod, which will affect the subsequent long-term separation effect of the separation rod on potatoes and soil. At the same time, through the soil discharge module, the soil separated by the separation rod located above is discharged from the front and rear sides of the device to prevent the soil from falling onto the separation rod located below and unable to be discharged in time. Through the lifting module, the device is tilted with the central rod as the center, so that the shovel plate goes deep into the soil to ensure that the device shovels out the potatoes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the potato separation device of the potato harvester of the present invention; Figure 2 It is a schematic diagram of the bottom structure of the potato separation device of the potato harvester of the present invention; Figure 3 It is a schematic diagram of the left side structure of the potato separation device of the potato harvester of the present invention; Figure 4 It is a schematic diagram of an opening of a potato separation device of a potato harvester of the present invention; Figure 5 It is a schematic diagram of a separation module of a potato separation device of a potato harvester of the present invention; Figure 6 It is a schematic diagram of a separation rod of a potato separation device of a potato harvester of the present invention; Figure 7 A schematic diagram of a support rod of a potato separation device of a potato harvester of the present invention; Figure 8 It is a schematic diagram of an arc-shaped plate member of a potato separation device of a potato harvester of the present invention; Fig. 9 It is a schematic diagram of a return spring of a potato separation device of a potato harvester of the present invention; Fig.10 The figure is a schematic diagram of a supporting plate of a potato separation device of a potato harvester according to the present invention.

[0014] In the figure: 1, side plate; 2, shovel plate; 3, separation module; 31, gear; 32, chain; 33, separation rod; 34, support rod; 35, primary drive motor; 36, rotating shaft; 37, semicircular baffle; 38, arc plate; 39, back plate; 310, sleeve plate; 311, internal notch; 312, return spring; 313, sealing plate; 4, soil discharge module; 41, opening; 42, bearing plate; 43, inclined plate; 44, push plate; 45, strip plate; 46, installation Plate; 47, secondary drive motor; 48, screw; 49, stabilizing rod; 5, lifting module; 51, center rod; 52, electric telescopic rod; 53, supporting plate; 54, sleeve rod; 55, connecting piece; 56, wheel; 57, primary vertical plate; 58, primary horizontal rod; 59, primary rotating part; 510, secondary vertical plate; 511, secondary horizontal rod; 512, secondary rotating part; 513, extending plate; 514, pulling rod; 515, limiting plate. DETAILED DESCRIPTION

[0015] Example 1 See also Figure 1-Figure 10 As shown, a potato separation device of a potato harvester includes a side plate 1, two groups of side plates 1 are symmetrically arranged in front and back, a shovel plate 2 is connected to the left side of the two groups of side plates 1, a separation module 3 is arranged between the two groups of side plates 1, the separation module 3 includes a gear 31, a chain 32, a separation rod 33 and a support rod 34, the chain 32 is symmetrically arranged in two groups in front and back, the gear 31 is symmetrically arranged in the chain 32, the gear 31 is meshed and connected with the chain 32, the separation rod 33 is equidistantly connected to the outer wall of the chain 32, the support rod 34 is slidably matched with the outer wall of the separation rod 33, and a soil discharge module 4 is arranged in the middle of the chain 32, and the soil discharge module 4 includes an opening 41, a bearing plate 42, and an inclined plate 43. 3 and a push plate 44, an opening 41 is opened in the side plate 1, and the opening 41 passes through the side plate 1 front and back, the front and rear ends of the bearing plate member 42 are arranged in the opening 41, the bearing plate member 42 is L-shaped, and the bearing plate member 42 is connected to the side plate 1, the inclined plate member 43 is connected to the right end of the bearing plate member 42, the push plate 44 is arranged on the top of the bearing plate member 42, and the left side and the bottom of the push plate 44 are slidably matched with the bearing plate member 42, and a lifting module 5 is arranged on the outside of the side plate 1, and the lifting module 5 includes a central rod 51 and an electric telescopic rod 52, the central rod 51 is connected to the upper right end of the side opposite to the two sets of side plates 1, and the electric telescopic rod 52 is arranged in the upper middle part between the two sets of side plates 1.

[0016] refer to Figure 1-Figure 6As shown, the separation module 3 also includes a primary drive motor 35, a rotating shaft 36 and a semicircular baffle 37. The primary drive motor 35 is fixedly connected to the right side of the side plate 1 at the front side by a positioning bolt. The rotating shaft 36 is connected between the front and rear sets of gears 31. The rear end of the rotating shaft 36 passes through the gear 31 and is connected to the bearing of the side plate 1 at the rear side. The front end of the rotating shaft 36 on the left side passes through the gear 31 and is connected to the bearing of the side plate 1 at the front side. The front end of the rotating shaft 36 on the right side passes through the gear 31 and the side plate 1, and is connected to the output end of the primary drive motor 35. The semicircular baffle 37 is arranged on the right side of the chain 32, and the semicircular baffle 37 is connected to the side plate 1. Starting the primary drive motor 35 can drive the gear 31 to rotate, thereby moving the chain 32 and the separation rod 33. The right end of the inclined plate member 43 is located above the rotating shaft 36 located on the right side, and the front and rear sides of the inclined plate member 43 are connected to the side plate 1.

[0017] refer to Figure 1-Figure 9 As shown, the separation module 3 also includes an arc-shaped plate 38, a plate 39, a sleeve plate 310, an inner notch 311, a return spring 312 and a sealing plate 313. The plate 39 is symmetrically arranged at the top of the separation rod 33. The arc-shaped plate 38 is connected to the right side of the plate 39, and the inner wall of the arc-shaped plate 38 and the separation rod 33 are slidably matched. The sleeve plate 310 is sleeved on the outer wall of the arc-shaped plate 38, and the sleeve plate 310 is connected to the separation rod 33. The inner notch 311 is opened on the sleeve plate 31 0, and the internal slot 311 penetrates the sleeve plate 310 from front to back, the reset spring 312 and the sealing plate 313 are both arranged in the internal slot 311, the sealing plate 313 is symmetrically arranged on both sides of the reset spring 312 from front to back, the two ends of the reset spring 312 are respectively connected to the arc plate 38 and the sleeve plate 310, the sealing plate 313 is connected to the sleeve plate 310, when the separation rod 33 located at the top moves to the right end, so that the support plate 39 contacts the left side of the semicircular retaining bar 37, the semicircular retaining bar 37 resists the support plate 39, and the semicircular retaining bar 37 resists the support plate 39. 9, the support plate 39 drives the arc plate 38 and the support rod 34 to rotate around the separation rod 33. When the separation rod 33 and the support rod 34 completely pass through the semicircular baffle 37, the support rod 34 rotates 180 degrees, thereby scraping off the soil above the outer wall of the separation rod 33. When the separation rod 33 located at the top moves to the right end and the support plate 39 contacts the left side of the semicircular baffle 37, the semicircular baffle 37 abuts against the support plate 39, so that the support plate 39 drives the arc plate 38 and the support rod 34 to rotate. 34 rotates a certain angle around the separation rod 33. When the separation rod 33 and the support rod 34 completely pass through the semicircular baffle 37, the semicircular baffle 37 is lost. Under the action of the reset spring 312, the abutment plate 39 and the support rod 34 are quickly reset. The arc plate 38 collides with the sealing plate 313, and the abutment plate 39 collides with the sleeve plate 310, thereby applying a certain vibration force to the separation rod 33. Through the vibration force, the soil attached to the separation rod 33 can be better shaken off.

[0018] refer to Figure 1-Figure 3 and Fig.10 As shown, the soil discharge module 4 also includes a strip plate 45, a mounting plate 46, a secondary drive motor 47 and a screw 48. The mounting plate 46 is arranged on the side opposite to the two groups of side plates 1, and the mounting plate 46 is in an inverted mountain shape. The strip plate 45 is connected between the mounting plate 46 and the side plate 1. The secondary drive motor 47 is fixedly connected to the bottom end of the middle front side of the mounting plate 46 located on the front side by a positioning bolt. The screw 48 is arranged in the middle of the push plate 44. The front end of the screw 48 penetrates the push plate 44 and the mounting plate 46 located on the front side, and is connected to the output end of the secondary drive motor 47. The rear end of the screw 48 penetrates the push plate 44 and is connected to the bearing of the mounting plate 46 located on the rear side. Start the secondary drive motor 47 to make the screw 48 rotate repeatedly, thereby driving the push plate 44 to move back and forth, pushing the soil carried by the bearing plate 42, and pushing the soil out of the opening 41.

[0019] refer to Figure 1-Figure 3 and Fig.10 As shown, the soil discharge module 4 also includes a stabilizing rod 49, which is symmetrically connected to the rear end of the mounting plate 46 located on the front side, and the rear end of the stabilizing rod 49 passes through the push plate 44 and is connected to the mounting plate 46 located on the rear side. The outer wall of the stabilizing rod 49 is slidably matched with the push plate 44. Through the setting of the stabilizing rod 49, the push plate 44 is restricted without affecting the translation of the push plate 44, so that the push plate 44 is more stable.

[0020] refer to Figure 1-Figure 4 As shown, the lifting module 5 also includes a support plate 53, a sleeve rod 54, a connecting member 55 and a wheel 56. The support plate 53 is arranged at the lower side of the two groups of side panels 1 opposite to each other, the sleeve rod 54 is connected to the right side of the top of the support plate 53, the top end of the sleeve rod 54 is sleeved on the outer wall of the central rod 51, and the central rod 51 is connected to the sleeve rod 54 bearing, the connecting member 55 is connected to the bottom end of the front side of the sleeve rod 54, and the wheel 56 is connected to the front side of the connecting member 55. Through the wheel 56, the device is convenient to move with the vehicle, and the setting of the sleeve rod 54 can support and limit the side panel 1 without affecting the rotation of the side panel 1 around the central rod 51.

[0021] refer to Figure 1-Figure 4As shown, the lifting module 5 also includes a primary vertical plate 57, a primary horizontal rod 58, a primary rotating member 59, a secondary vertical plate 510, a secondary horizontal rod 511 and a secondary rotating member 512. The primary vertical plate 57 is connected to the left side of the top of the support plate 53, the primary horizontal rod 58 is connected to the upper part between the two groups of primary vertical plates 57, the primary rotating member 59 is sleeved in the middle of the outer wall of the primary horizontal rod 58, and the primary horizontal rod 58 is connected to the primary rotating member 59 through a bearing, and the secondary vertical plate 510 is connected to the left side of the top of the side plate 1. The secondary transverse rod 511 is connected between the two groups of secondary vertical plates 510, the secondary rotating member 512 is sleeved on the middle part of the outer wall of the secondary transverse rod 511, and the secondary transverse rod 511 is connected to the secondary rotating member 512 through a bearing, the electric telescopic rod 52 is connected to the bottom end of the primary rotating member 59, and the output end at the bottom of the electric telescopic rod 52 is connected to the secondary rotating member 512. When the electric telescopic rod 52 is turned on, the secondary transverse rod 511 drives the shovel plate 2, the two side plates 1 and the separation module 3 to tilt to the left until the shovel plate 2 is shoveled into the soil as the vehicle moves forward.

[0022] refer to Figure 1-Figure 4 As shown, the lifting module 5 also includes an extending plate 513, a pulling rod 514 and a limiting plate 515. The extending plate 513 is connected to the upper left side of the primary vertical plate 57. The limiting plate 515 is arranged on the opposite side of the two groups of extending plates 513. The pulling rod 514 is connected between the extending plate 513 and the limiting plate 515. The device is connected to the vehicle by pulling the rod 514.

[0023] Working principle: By pulling the rod 514, the device is connected to the vehicle, and the electric telescopic rod 52 is turned on, so that the secondary horizontal rod 511 drives the shovel board 2, the two side plates 1 and the separation module 3 to tilt to the left, until the shovel board 2 is shoveled into the soil as the vehicle moves forward, and at the same time, the primary drive motor 35 is started, so that the rotating shaft 36 on the right side drives the two sets of gears 31 on the right side to rotate, thereby driving the chain 32 and the gear 31 on the left side to rotate, so that the separation rod 33 moves with the chain 32, and the separation rod The potatoes scooped out by the shovel plate 2 are transported by the shovel plate 2, and in the process of transporting, the potatoes and the soil are separated by the vibration of the separation rod 33, and the separated soil falls through the gap between the two adjacent groups of separation rods 33. At the same time, the secondary drive motor 47 is started to rotate the screw 48 repeatedly, thereby driving the push plate 44 to move back and forth, pushing the soil carried by the bearing plate 42, and pushing the soil out of the opening 41, so that the soil is not easy to fall onto the separation rod 33 located below. The semicircular baffle 37 is pressed against the back plate 39, so that the back plate 39 drives the arc plate 38 and the support rod 34 to rotate a certain angle around the separation rod 33. When the separation rod 33 and the support rod 34 completely pass through the semicircular baffle 37, the semicircular baffle 37 is no longer blocked. Under the action of the reset spring 312, the back plate 39 and the support rod 34 are quickly reset, and the arc plate 38 collides with the sealing plate 313, and the back plate 39 collides with the sleeve plate 310. The separation rod 33 is struck, thereby applying a certain vibration force to the separation rod 33, and the soil attached to the separation rod 33 is better shaken off by the vibration force, and the vibration force is generated only when the separation rod 33 is at the bottom, so that the soil can fall directly to the ground, and the soil on the upper part of the separation rod 33 is received by the inclined plate member 43, and the fallen soil is guided to the supporting plate member 42 by the inclined plate member 43, so that more soil can be received and discharged without affecting the rotation of the rotating shaft 36 at the right side.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A potato separation device for a potato harvester, comprising a side plate (1), characterized in that: Two groups of side plates (1) are symmetrically arranged in front and back, and a shovel plate (2) is connected to the left side of the two groups of side plates (1). A separation module (3) is arranged between the two groups of side plates (1). The separation module (3) includes a gear (31), a chain (32), a separation rod (33) and a support rod (34). The chain (32) is symmetrically arranged in front and back. The gear (31) is symmetrically arranged in the chain (32) in the left and right. The gear (31) and the chain (32) are meshed and connected. The separation rod (33) is equidistantly connected to the outer wall of the chain (32). The support rod (34) is slidably matched to the outer wall of the separation rod (33). A soil discharge module (4) is arranged in the middle of the chain (32). The soil discharge module (4) includes an opening (41), a bearing plate (42), an inclined plate (43) and a push plate (44). The opening (4 1) is opened in the side panel (1), and the opening (41) penetrates the side panel (1) from front to back, the front and rear ends of the bearing plate member (42) are both arranged in the opening (41), the bearing plate member (42) is in an L-shaped structure, and the bearing plate member (42) is connected to the side panel (1), the inclined plate member (43) is connected to the right end of the bearing plate member (42), the push plate (44) is arranged on the top of the bearing plate member (42), and the left side and the bottom of the push plate (44) are slidably matched with the bearing plate member (42), and a lifting module (5) is arranged on the outside of the side panel (1), and the lifting module (5) includes a central rod member (51) and an electric telescopic rod (52), the central rod member (51) is connected to the upper right end of the side opposite to the two sets of side panels (1), and the electric telescopic rod (52) is arranged in the middle of the upper part between the two sets of side panels (1).

2. The potato separation device of a potato harvester according to claim 1, characterized in that: The separation module (3) further comprises a primary drive motor (35), a rotating shaft (36) and a semicircular stop bar (37); the primary drive motor (35) is fixedly connected to the right side of the side plate (1) located at the front side by means of a positioning bolt; the rotating shaft (36) is connected between the front and rear sets of gears (31); the rear end of the rotating shaft (36) passes through the gear (31) and is connected to a bearing of the side plate (1) located at the rear side; the front end of the rotating shaft (36) located at the left side passes through the gear (31) and is connected to a bearing of the side plate (1) located at the front side; the front end of the rotating shaft (36) located at the right side passes through the gear (31) and the side plate (1) and is connected to the output end of the primary drive motor (35); the semicircular stop bar (37) is arranged on the right side of the chain (32), and the semicircular stop bar (37) is connected to the side plate (1); The right end of the inclined panel member (43) is located above the rotating shaft (36) located on the right side, and the front and rear sides of the inclined panel member (43) are connected to the side plate (1).

3. The potato separation device of a potato harvester according to claim 1, characterized in that: The separation module (3) further comprises an arc-shaped plate (38), a stop plate (39), a sleeve plate (310), an internally arranged notch (311), a return spring (312) and a sealing plate (313); the stop plate (39) is symmetrically arranged at the top of the separation rod (33) in front and back; the arc-shaped plate (38) is connected to the right side of the stop plate (39); the inner wall of the arc-shaped plate (38) and the separation rod (33) are slidably matched; the sleeve plate (310) is sleeved on the outer wall of the arc-shaped plate (38); the sleeve plate (310) and the sealing plate (313) are ...); the arc-shaped plate (38) and the sealing plate (313) are symmetrically arranged at the top of the separation rod (33); the arc-shaped plate (38) and the sealing plate (313) are symmetrically arranged at the top of the separation rod (33); the arc-shaped plate (38) and the sealing plate (313) are symmetrically arranged at the top of the separation rod (33); the arc-shaped plate (38) and the sealing plate (313) are symmetrically arranged at the top of the separation rod (33); the arc-shaped plate (38) and the sealing plate (313) are symmetrically arranged at the top of the separation rod (33); the arc-shaped plate (38) and the sealing plate (313) are symmetrically arranged at the top of the The separation rod (33) is connected, an internal slot (311) is provided in the sleeve plate (310), and the internal slot (311) penetrates the sleeve plate (310) front to back, a return spring (312) and a sealing plate (313) are both provided in the internal slot (311), and the sealing plate (313) is symmetrically provided on both sides of the return spring (312) front to back, two ends of the return spring (312) are respectively connected to the arc plate (38) and the sleeve plate (310), and the sealing plate (313) is connected to the sleeve plate (310).

4. The potato separation device of a potato harvester according to claim 1, characterized in that: The soil discharge module (4) further comprises a strip plate (45), a mounting plate (46), a secondary drive motor (47) and a screw rod (48). The mounting plate (46) is arranged on the opposite side of the two sets of side plates (1), and the mounting plate (46) is in an inverted mountain-shaped structure. The strip plate (45) is connected between the mounting plate (46) and the side plate (1). The secondary drive motor (47) is fixedly connected to the bottom end of the middle part of the front side of the mounting plate (46) located on the front side by means of positioning bolts. The screw rod (48) is arranged in the middle part of the push plate (44). The front end of the screw rod (48) passes through the push plate (44) and the mounting plate (46) located on the front side, and is connected to the output end of the secondary drive motor (47). The rear end of the screw rod (48) passes through the push plate (44) and is connected to the bearing of the mounting plate (46) located on the rear side.

5. The potato separation device of a potato harvester according to claim 4, characterized in that: The soil discharge module (4) further comprises a stabilizing rod (49), which is symmetrically connected to the rear end of the mounting plate (46) located at the front side, and the rear end of the stabilizing rod (49) passes through the push plate (44) and is connected to the mounting plate (46) located at the rear side, and the outer wall of the stabilizing rod (49) is slidably matched with the push plate (44).

6. The potato separation device of a potato harvester according to claim 1, characterized in that: The lifting module (5) further comprises a supporting plate (53), a sleeve rod (54), a connecting member (55) and a wheel (56); the supporting plate (53) is arranged below the opposite side of the two sets of side plates (1); the sleeve rod (54) is connected to the right side of the top of the supporting plate (53); the top end of the sleeve rod (54) is sleeved on the outer wall of the central rod (51); the central rod (51) and the sleeve rod (54) are bearing-connected; the connecting member (55) is connected to the bottom end of the front side of the sleeve rod (54); and the wheel (56) is connected to the front side of the connecting member (55).

7. The potato separation device of a potato harvester according to claim 6, characterized in that: The lifting module (5) further comprises a first-level vertical plate (57), a first-level horizontal rod (58), a first-level rotating member (59), a second-level vertical plate (510), a second-level horizontal rod (511) and a second-level rotating member (512), wherein the first-level vertical plate (57) is connected to the left side of the top of the supporting plate (53), the first-level horizontal rod (58) is connected to the upper part between the two groups of first-level vertical plates (57), the first-level rotating member (59) is sleeved on the middle part of the outer wall of the first-level horizontal rod (58), and the first-level horizontal rod (58) is connected to a The secondary rotating member (512) is connected to the secondary rotating member (59), the secondary vertical plate member (510) is connected to the left side of the top of the side plate (1), the secondary horizontal rod member (511) is connected between the two groups of secondary vertical plate members (510), the secondary rotating member (512) is sleeved on the middle part of the outer wall of the secondary horizontal rod member (511), and the secondary horizontal rod member (511) is connected to the secondary rotating member (512) through a bearing, the electric telescopic rod (52) is connected to the bottom end of the primary rotating member (59), and the output end at the bottom of the electric telescopic rod (52) is connected to the secondary rotating member (512).

8. The potato separation device of a potato harvester according to claim 7, characterized in that: The lifting module (5) further comprises an outwardly extending plate (513), a pulling rod (514) and a limiting plate (515); the outwardly extending plate (513) is connected to the upper left side of the primary vertical plate (57); the limiting plate (515) is arranged on the opposite side of the two groups of outwardly extending plate (513); and the pulling rod (514) is connected between the outwardly extending plate (513) and the limiting plate (515).