阅读说明：本技术 一种马铃薯挖掘机 (Potato digger ) 是由 吕丽欣 于 2019-10-24 设计创作，主要内容包括：本发明提供一种马铃薯挖掘机,包括机壳和四个车轮,还包括动力传送机构、挖掘机构以及震动分离去土机构,动力传送机构包括用于与发动机相连接的轴筒、主锥齿轮、从锥齿轮、主动轴、两条传送带以及横向固定于两个侧板端部的从动轴,轴筒固定于连接板,靠近连接板的主动轴的两端分别通过曲柄摇杆结构与相应的侧板内侧壁连接,主锥齿轮固定于轴筒并与固定于主动轴的从锥齿轮啮合,每条传送带一端套设于主动轴一端,另一端套设于从动轴端部,挖掘铲套设于从动轴并与卡槽体转动配合,设置于两个侧板之间的震动分离筛的两侧分别与曲柄摇杆结构连接,卡槽体固定于靠近从动轴的挖掘铲端部。本发明使操作简单易学、挖掘效率高；且结构简单、制造成本低。(The invention provides a potato excavator, which comprises a machine shell, four wheels, a power transmission mechanism, an excavating mechanism and a vibration soil separating and removing mechanism, wherein the power transmission mechanism comprises a shaft barrel and a main bevel gear which are connected with an engine, from bevel gear, the driving shaft, two conveyer belts and transversely be fixed in the driven shaft of two curb plate tip, the beam barrel is fixed in the connecting plate, the both ends of the driving shaft that are close to the connecting plate are connected with corresponding curb plate inside wall through crank rocker structure respectively, main bevel gear is fixed in the beam barrel and with be fixed in the driven bevel gear meshing of following of driving shaft, driving shaft one end is located to every conveyer belt pot head, the driven shaft tip is located to another pot head, the driven shaft is located to the digger blade cover and with draw-in groove body normal running fit, the both sides that set up the shock separating sieve between two curb plates are connected with crank rocker structure respectively, the draw-. The invention has simple and easy operation and high digging efficiency; and the structure is simple and the manufacturing cost is low.)

1. the utility model provides a potato excavator, includes casing and four wheels, the casing have bilateral symmetry's curb plate and with two curb plate integrated into one piece's connecting plate, set up in the outside of every curb plate its characterized in that every two wheels rotation ground: the soil removing mechanism comprises a vibration separating sieve, a clamping groove body and two crank rocker structures, the shaft cylinder is fixed on a connecting plate, two ends of the driving shaft close to the connecting plate are respectively connected with the inner side walls of the corresponding side plates through the crank rocker structures, the main bevel gear is fixed on the shaft cylinder and meshed with the driven bevel gear fixed on the driving shaft, one end of each conveying belt is sleeved on one end of the driving shaft, the other end of each conveying belt is sleeved on the end part of the driven shaft, the excavating shovel is sleeved on the driven shaft and is in rotating fit with the clamping groove body, and two sides of the vibration separating sieve arranged between the two side plates are respectively connected with the crank rocker structures, the clamping groove body is fixed at the end part of the digging shovel close to the driven shaft; the vibrating separating screen comprises a plurality of L-shaped bending plates arranged at intervals, two rows of transverse plates and two supporting plates, the bottoms of the two supporting plates are attached to the transverse plate part of each L-shaped bending plate at intervals, each row of transverse plates are fixed to the longitudinal plate part of the L-shaped bending plate closest to the corresponding side plate at intervals along the axial direction, and the vertical parts of the two supporting plates are fixed to the side walls of the corresponding transverse plates; the clamping groove body comprises an inclined plate part and triangular partition plate parts extending out of two ends of the inclined plate part, the bottom of the inclined plate part is fixed with the transverse plate part of each L-shaped bent plate, and the side walls of the triangular partition plate parts are fixed with the transverse plates;

The inclined plate part is provided with through holes with half side openings along the length direction, each through hole is matched with a digging shovel, and the outer side wall of the triangular partition plate part is fixed on the vertical part of one of the supporting plates through a connecting rod;

The digging shovel comprises a plurality of rotating bodies which are arranged at intervals in an equidistance mode, each rotating body comprises a hollow disk portion, a digging rod extending along the peripheral side wall of the hollow disk portion and a shovel portion extending out of the end portion of the digging rod, each hollow disk portion is fixedly sleeved on the outer side wall of the driven shaft along the length direction of the driven shaft, and the shovel portion and the end portion of the digging rod are arranged at an angle of 15-30 degrees.

2. The potato digger of claim 1, wherein: the crank rocker structure comprises a crank, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, wherein the first end of the crank is hinged to one end of the driving shaft, the second end of the crank is hinged to the inner side wall of the side plate, the third end of the crank is hinged to one end of the first connecting rod, one end of the second connecting rod is hinged to the other end of the first connecting rod and one end of the third connecting rod respectively, one end of the second connecting rod is hinged to the inner side wall of the side plate, the other end of the third connecting rod, which is axially arranged, is hinged to one end of the fourth connecting rod, the other end.

3. The potato digger of claim 1, wherein: each side plate outer side wall is provided with two arm bodies for placing wheels, each arm body is provided with a transverse arm portion perpendicular to the side plate, a first vertical arm portion bent downwards along the end portion of the transverse arm portion and a second vertical arm portion extending out of the lower surface of the transverse arm portion, and each wheel is hinged between the first vertical arm portion and the second vertical arm portion.

Technical Field

The invention belongs to the technical field of agricultural mechanical equipment, and relates to a potato excavator.

Background

currently, in the prior art, there are apparatuses for digging potatoes, such as chinese patent ZL201510095257.4, entitled a potato seedling removing device and a seedling removing and digging integrated potato harvester, and specifically discloses an apparatus comprising: a pulling device and a cover plate at the upper side of the periphery of the pulling device, wherein a rotation shaft is arranged at the center of the pulling device, and a plurality of pulling plates are arranged in the circumferential direction of the rotation shaft. It has the problems that: the structure is complex, the operation is complex, the potato digging efficiency is reduced, and the potato digging efficiency is difficult to master.

Therefore, the invention provides a potato digger.

Disclosure of Invention

in view of the above problems in the prior art, the present invention is directed to a potato digging machine, which can drop the dug potatoes on a vibrating screen, so as to complete the digging process of the potatoes, and has the advantages of simple and easy operation and high digging efficiency.

The purpose of the invention can be realized by the following technical scheme:

A potato excavator comprises a machine shell and four wheels, wherein the machine shell is provided with two side plates which are symmetrical on two sides and a connecting plate which is integrally formed with the two side plates, each two wheels are rotationally arranged on the outer side of each side plate, the potato excavator further comprises a power transmission mechanism, an excavating mechanism and a vibration separation soil removing mechanism, the power transmission mechanism comprises a shaft barrel, a main bevel gear, a secondary bevel gear, a driving shaft, two conveying belts and driven shafts which are transversely fixed at the end parts of the two side plates and are connected with an engine, the excavating mechanism comprises an excavating shovel, the vibration separation soil removing mechanism comprises a vibration separating screen, a clamping groove body and two crank rocker structures, the shaft barrel is fixed on the connecting plate, two ends of the driving shaft close to the connecting plate are respectively connected with the inner side walls of the corresponding side plates through the crank rocker structures, the main bevel gear is, one end of the driving shaft is sleeved with one end of each conveying belt, the end part of the driven shaft is sleeved with the other end of each conveying belt, the driven shaft is sleeved with the digging shovel, the digging shovel is rotationally matched with the clamping groove body, two sides of the vibration separation sieve arranged between the two side plates are respectively connected with the crank rocker structure, and the clamping groove body is fixed at the end part of the digging shovel close to the driven shaft.

As preferred technical scheme, the shaking separation sieve includes that the L type that several alternate settings were bent board, two rows of several diaphragms and two backup pads, the alternate laminating in every of bottom of two backup pads the horizontal board of the board is bent to the L type, every row of diaphragm is fixed in the vertical board of the board of bending of the L type that is closest to corresponding curb plate along the axial is alternate, and the vertical portion of two backup pads is fixed in corresponding every row of diaphragm lateral wall.

as a preferable technical scheme, the clamping groove body comprises an inclined plate part and triangular partition plate parts extending out of two ends of the inclined plate part, the bottom of the inclined plate part is fixed with a transverse plate part of each L-shaped bent plate, and the side walls of the triangular partition plate parts are fixed with the transverse plate;

The inclined plate part is provided with a through hole with a half side opening along the length direction, each through hole is matched with the digging shovel, and the outer side wall of the triangular partition plate part is fixed on one of the vertical parts of the supporting plates through a connecting rod.

as the preferred technical scheme, the excavating shovel comprises a plurality of rotating bodies arranged at intervals at equal intervals, each rotating body comprises a hollow disc part, an excavating rod extending along the peripheral side wall of the hollow disc part and a shovel part extending out of the end part of the excavating rod, each hollow disc part is fixedly sleeved on the outer side wall of the driven shaft along the length direction of the driven shaft, and the shovel part and the end part of the excavating rod are arranged at an angle of 15-30 degrees.

According to the preferable technical scheme, the crank rocker structure comprises a crank, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, wherein the first end of the crank is hinged to one end of the driving shaft, the second end of the crank is hinged to the inner side wall of the side plate, the third end of the crank is hinged to one end of the first connecting rod, one end of the second connecting rod is hinged to the other end of the first connecting rod and one end of the third connecting rod respectively, one end of the second connecting rod is hinged to the inner side wall of the side plate, the other end of the third connecting rod, which is axially arranged, is hinged to one end of the fourth connecting rod, the other.

Preferably, each side plate outer side wall is provided with two arm bodies for placing wheels, each arm body is provided with a cross arm part perpendicular to the side plate, a first vertical arm part bent downwards along the end part of the cross arm part and a second vertical arm part extending out along the lower surface of the cross arm part, and each wheel is hinged between the first vertical arm part and the second vertical arm part.

As mentioned above, the potato digger has the following beneficial effects:

After the potato excavator is utilized, compared with the prior art, due to the adoption of the structure, the potato excavator is characterized in that a shaft cylinder is fixed on a connecting plate through a power transmission mechanism, an excavating mechanism and a vibration soil separating and removing mechanism, two ends of a driving shaft close to the connecting plate are respectively connected with the inner side walls of corresponding side plates through crank rocker structures, a main bevel gear is fixed on the shaft cylinder and meshed with a secondary bevel gear fixed on the driving shaft, one end of each conveying belt is sleeved at one end of the driving shaft, the other end of each conveying belt is sleeved at the end part of the driven shaft, an excavating shovel is sleeved on the driven shaft and is in rotating fit with a clamping groove body, two sides of a vibration separating sieve arranged between the two side plates are respectively connected with; the whole device is driven to move forward by only providing a corresponding power source at the shaft barrel, potatoes in the potato soil are excavated by the excavating shovel, and then the potato soil is matched with the excavating shovel and the vibration soil separating mechanism by combining the clamping groove body, so that the excavated potatoes fall on the vibration separating sieve, the potato excavating process is completed, the operation is simple and easy to learn, and the excavating efficiency is high; and the structure is simple and the manufacturing cost is low.

The present invention will be further described with reference to the following embodiments.

Drawings

FIG. 1 is a perspective view of a potato digger;

FIG. 2 is a top view of a potato digger;

3 FIG. 33 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 32 3; 3

FIG. 4 is a rear view of a potato digger;

FIG. 5 is a schematic view of a part of the structure of a potato digging machine;

FIG. 6 is an enlarged view of the digger blade structure of a potato digger;

FIG. 7 is an enlarged view of the structure of the clamping groove body of the potato digger.

Detailed Description

the following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship thereof may be made without substantial technical changes and modifications. The specific structure can be explained with reference to the drawings of the patent application.

in the following embodiments, the direction is defined by the arrow in fig. 1, the left side of the paper surface is the left direction, the right side of the paper surface is the right direction, the upper side of the paper surface is the upper direction, the lower side of the paper surface is the lower direction, the front side perpendicular to the paper surface is the front direction, the rear side perpendicular to the paper surface is the rear direction, the cavity of the housing is the inside, and the outer wall of the housing is the outside.

Referring to fig. 1 to 7, a potato excavator comprises a machine shell 1 and four wheels 2, wherein the machine shell 1 is provided with two side plates 10 which are symmetrical on two sides and a connecting plate 11 which is integrally formed with the two side plates 10, each two wheels 2 are rotatably arranged on the outer side of each side plate 10, the potato excavator further comprises a power transmission mechanism 3, an excavating mechanism 4 and a vibration separation soil removing mechanism 5, the power transmission mechanism 3 comprises a shaft cylinder 30 which is used for being connected with an engine (not shown in the figure, the following are all arranged), a main bevel gear 31, a secondary bevel gear 32, a driving shaft 33, two transmission belts 34 and a driven shaft 35 which is transversely fixed on the end parts of the two side plates 10, the excavating mechanism 4 comprises an excavating shovel 40, the vibration separation soil removing mechanism 5 comprises a vibration separating screen 50, a clamping groove body 51 and two crank rocker structures 52, the shaft cylinder 30 is fixed on the connecting plate 11, two ends of the driving shaft 33 which are close to the connecting plate 11 are respectively, the main bevel gear 31 is fixed on the shaft barrel 30 and meshed with the driven bevel gear 32 fixed on the driving shaft 33, one end of each conveyor belt 34 is sleeved on one end of the driving shaft 33, the other end of each conveyor belt is sleeved on the end of the driven shaft 35, the digging shovel 40 is sleeved on the driven shaft 35 and is in running fit with the clamping groove body 51, two sides of the vibration separating screen 50 arranged between the two side plates 10 are respectively connected with the crank rocker structure 52, and the clamping groove body 51 is fixed on the end of the digging shovel 40 close to the driven shaft 35. Compared with the prior art, the potato digging device has the advantages that the whole device is enabled to move forward only by providing the corresponding power source at the shaft cylinder 30, potatoes in potato soil are dug out by the digging shovel 40, and then the digging shovel 40 and the vibration soil separating and removing mechanism 5 are respectively matched with the clamping groove body 51, so that the dug potatoes fall on the vibration separating sieve 50, the potato digging process is completed, the operation is simple and easy to learn, and the digging efficiency is high; and the structure is simple and the manufacturing cost is low.

Referring to fig. 5, the shaking separating screen 50 includes several spaced L-shaped bending plates 500, two rows of several transverse plates 501 and two supporting plates 502, the bottom of the two supporting plates 502 is alternately laminated on each transverse plate 5000 of the L-shaped bending plate 500, each row of transverse plates 501 is axially alternately fixed on the longitudinal plate 5001 of the L-shaped bending plate 500 closest to the corresponding side plate, and the vertical portions 5020 of the two supporting plates 502 are fixed on the corresponding transverse plate 501 side walls. The vibrating screen 50 with the structure can filter the potato soil attached to the surface of the potatoes through the gaps among the L-shaped bending plates 500 arranged at intervals, and can prevent the hilling condition due to the completion of potato soil separation in the process of separating the potato soil, thereby improving the bright potato rate and facilitating subsequent storage or direct use.

as shown in fig. 1, 5, 6 and 7, the card slot body 51 includes a sloping plate portion 510 and triangular partition portions 511 extending along two ends of the sloping plate portion 510, the bottom of the sloping plate portion 510 is fixed to a transverse plate portion 5000 of each L-shaped bent plate 500, and the side walls of the triangular partition portions 511 are fixed to a transverse plate 501;

The inclined plate part 510 is provided with through holes 5100 with half-side openings along the length direction, each through hole 5100 is matched with the digging shovel 40, and the outer side wall of the triangular partition plate part 511 is fixed on the vertical part 5020 of one of the supporting plates 502 through a connecting rod 6. Set up the card groove body 51 of aforementioned structure, especially set up sloping plate portion 510, help carrying the potato that excavates more smoothly to vibrations and divide out the unearthed mechanism, avoid piling up, improve and excavate efficiency.

Referring to fig. 6 and 7, the excavating shovel 40 includes a plurality of rotating bodies 400 arranged at equal intervals, each rotating body 400 includes a hollow disc portion 4000, an excavating rod 4001 extending along the peripheral side wall of the hollow disc portion 4000, and a shovel portion 4002 extending along the end of the excavating rod 4001, each hollow disc portion 4000 is fixedly sleeved on the outer side wall of the driven shaft 35 along the length direction of the driven shaft 35, and the shovel portion 4002 and the end of the excavating rod 4001 are arranged at an angle of 15 ° to 30 °. The digging shovel 40 is arranged, the shovel part 4002 and the end part of the digging rod 4001 are arranged at an angle of 15-30 degrees, potatoes buried in deep layers of soil can be dug out, the skins of the potatoes cannot be damaged, the potato injury rate is low, and the potatoes can be conveniently stored later.

Referring to fig. 3 and 5, the crank and rocker structure 52 includes a crank 520, a first link 521, a second link 522, a third link 523 and a fourth link 524, wherein a first end of the crank 520 is hinged to one end of the driving shaft 33, a second end of the crank 520 is hinged to an inner side wall of the side plate 10, a third end of the crank 520 is hinged to one end of the first link 521, one end of the second link 522 is hinged to one end of the first link 521 and one end of the third link 523, one end of the second link 522 is hinged to an inner side wall of the side plate 10, the other end of the axially disposed third link 523 is hinged to one end of the fourth link 524, the other end of the fourth link 524 is hinged to the inner side wall of the side plate 10, and the.

As shown in fig. 1 and 4, each of the side plates 10 is provided at an outer side wall thereof with two arm bodies 7 for placing the wheels 2, each of the arm bodies 7 has a horizontal arm portion 70 perpendicular to the side plate 10, a first vertical arm 71 bent downward along an end of the horizontal arm portion 70, and a second vertical arm portion 72 extending along a lower surface of the horizontal arm portion 70, and each of the wheels 2 is hinged between the first vertical arm portion 71 and the second vertical arm portion 72.

The invention has two working principles of action process, which are concretely shown in the following.

The first is that: the working principle of the action process of the digging mechanism 4 is shown in fig. 1 to 7, an engine at the front end of a tractor (not shown in the figures) is connected with a shaft barrel 30 at the rear end of the potato digging machine, the engine at the front end of the tractor is opened to enable a main bevel gear 31 to rotate, the main bevel gear 31 rotates to drive a secondary bevel gear 32 to rotate, the secondary bevel gear 32 is fixed on a driving shaft 33, the driving shaft 33 rotates along with the rotation of the secondary bevel gear 32, the driving shaft 33 drives a conveyor belt 34 to rotate, a driven shaft 35 connected with the conveyor belt 34 is driven to rotate, and finally a digging shovel 40 fixedly sleeved on the driven shaft 35 rotates, so that potatoes buried in soil can be dug out by the digging shovel 40 entering the soil, and then the digging shovel 40 turns over for half a circle and is conveyed to a vibration separating screen 50 through a clamping groove body 51.

Secondly, the following steps: the principle of the action process of the vibration soil separating and removing mechanism 5 is that, as shown in fig. 1 to 7, an engine at the front end of a tractor is opened, a main bevel gear 31 rotates to drive a secondary bevel gear 32 to rotate, the secondary bevel gear 32 rotates to drive a driving shaft 33 to rotate, a crank rocker structure 52 formed by a crank 520, a first connecting rod 521, a second connecting rod 522, a third connecting rod 523 and a fourth connecting rod 524 is used, the rotation of the driving shaft 33 drives the crank 520 to rotate, so that the first connecting rod 521 moves, wherein the third connecting rod 523 is always parallel to the ground, so that the vibration separating sieve 50 moves left and right and up and down (namely swinging is realized), the process can ensure that potatoes cannot overturn on the vibration separating sieve 50, the second connecting rod and the fourth connecting rod 524 drive the vibration separating sieve 50 to vibrate left and right and up and down to continuously drop the potato soil 522 on the outer surface of the potatoes, the potato soil attached to the outer surface of the potato passes through the gap between the two adjacent L-shaped bent plates 500 and returns to the ground again, and finally the separation of the potato and the potato soil is realized.

As mentioned above, the potato digger has the following beneficial effects:

After the potato excavator is utilized, compared with the prior art, due to the adoption of the structure, the potato excavator is characterized in that a shaft cylinder is fixed on a connecting plate through a power transmission mechanism, an excavating mechanism and a vibration soil separating and removing mechanism, two ends of a driving shaft close to the connecting plate are respectively connected with the inner side walls of corresponding side plates through crank rocker structures, a main bevel gear is fixed on the shaft cylinder and meshed with a secondary bevel gear fixed on the driving shaft, one end of each conveying belt is sleeved at one end of the driving shaft, the other end of each conveying belt is sleeved at the end part of the driven shaft, an excavating shovel is sleeved on the driven shaft and is in rotating fit with a clamping groove body, two sides of a vibration separating sieve arranged between the two side plates are respectively connected with; the whole device is driven to move forward by only providing a corresponding power source at the shaft barrel, potatoes in the potato soil are excavated by the excavating shovel, and then the potato soil is matched with the excavating shovel and the vibration soil separating mechanism by combining the clamping groove body, so that the excavated potatoes fall on the vibration separating sieve, the potato excavating process is completed, the operation is simple and easy to learn, and the excavating efficiency is high; and the structure is simple and the manufacturing cost is low.

in conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.