CN218184050U - Depth adjusting mechanism of potato harvester - Google Patents

Abstract

The utility model discloses a depth adjusting mechanism of a potato harvester, which comprises a lifter and a harvester, wherein the lifter is connected with the harvester and is used for driving the up-and-down movement of the harvester; the conventional potato harvester generally uses a hydraulic cylinder for depth adjustment, but hydraulic oil has high cost and is not safe enough, and the buried depth of a cutter is difficult to accurately control; this scheme replaces the pneumatic cylinder through using drive arrangement, realizes the regulation of cutting tool degree of depth of penetrating into the earth, but reduce cost improves the security, and is favorable to the degree of depth of penetrating into the earth of accurate control cutter.

Description

Depth adjusting mechanism of potato harvester

Technical Field

The utility model relates to a potato class harvester technical field especially relates to a potato class harvester's degree of depth adjustment mechanism.

Background

Potatoes are a main crop in China, and comprise sweet potatoes, potatoes and the like; however, with the enlargement of the planting area of potatoes, the harvesting of the potatoes becomes a big problem, and the manual harvesting mode is adopted in the past, so that the labor intensity is high, the efficiency is low, and the cost is high. In recent years, potato harvesters are gradually adopted in agricultural production, so that the burden of workers is greatly reduced, the hands of the workers are liberated, and the cost is greatly reduced.

Due to the fact that soil environments of different positions of the potato planting fields are different, the potato planting fields of different positions are different in planting depth of potatoes. When a common harvester for potatoes works, the depth of a harvesting knife edge needs to be adjusted according to actual conditions so as to avoid cutting crops.

Although there are a variety of potato harvesters available on the market, conventional potato harvesters typically have the following drawbacks: when the harvesting depth is adjusted, a hydraulic cylinder is generally used for adjusting, but hydraulic oil is high in cost and not safe enough, and the soil penetration depth of a cutter is difficult to accurately control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a depth adjustment mechanism who relates to potato class harvester, this depth adjustment mechanism realize the regulation of the cutter degree of depth that buries through using drive arrangement to replace the pneumatic cylinder, but reduce cost improves the security, and is favorable to the degree of depth that buries of accurate control cutter to overcome the weak point among the prior art.

To achieve the purpose, the utility model adopts the following technical proposal:

a depth adjusting mechanism of a potato harvester comprises a lifter and a harvester, wherein the lifter and the harvester are respectively arranged on a harvesting trailer, the harvester can move up and down along the harvesting trailer, the lifter is connected with the harvester, and the lifter is used for driving the harvester to move up and down;

the harvester comprises a cutter, a shell and a conveyor, wherein the cutter is arranged outside the shell and is positioned between the shell and a harvesting trailer, the conveyor is arranged inside the shell, and a feeding end of the conveyor is connected with the cutter;

the top of the inner side of the shell is provided with a mounting column, and the lifter is mounted at the bottom of the mounting column; the lifter comprises a driving device and a transmission shaft, the transmission shaft is connected with the output end of the driving device, and the harvester is connected with the transmission shaft through the mounting column; the tail end of the transmission shaft is inclined downwards, the harvester can move in a reciprocating mode along the extending direction of the transmission shaft, and the driving device is used for driving the harvester to move in a reciprocating mode.

Furthermore, the lifter also comprises a transmission piece and a connecting device, wherein the transmission piece can move back and forth along the transmission shaft; the connecting device is detachably fixed on the transmission part, is installed at the bottom of the mounting column and is used for connecting the harvester with the lifter.

Furthermore, the connecting device comprises a connecting piece and two mounting blocks, the connecting piece is arranged at the bottom of the mounting column, the two mounting blocks are fixedly connected to the bottom of the connecting piece, and the two mounting blocks are enclosed to form a mounting cavity for mounting the transmission piece.

Furthermore, the lifter also comprises a fixing plate and a fixing piece; the fixed plate is arranged at the top of the driving device, and the fixing piece penetrates through one end of the fixed plate and is connected with the harvesting trailer.

Furthermore, the lifter further comprises a limiting piece, and the limiting piece is mounted on the driving device; the harvesting trailer further comprises a limiting strip, the limiting strip is detachably mounted on the harvesting trailer, the limiting strip is matched with the limiting part in shape, and the limiting strip is detachably connected with the limiting part.

Furthermore, the fixing piece is a bolt, and the fixing piece can be detachably connected with the harvesting trailer through one end of the fixing plate.

Still further, the harvester also comprises a storage device, wherein the storage device is detachably arranged at the tail end of the harvester, and the storage device is connected with the blanking end of the conveyor.

Furthermore, the conveyer includes pivot, conveyer belt and support bar, the pivot rotationally install in the inside both sides of shell, the conveyer belt centers on the periphery setting of pivot, just the conveyer belt is along with the rotation of pivot rotates, the conveyer belt is equipped with two at least, the support bar interval install in two between the conveyer belt.

Furthermore, the transmission shaft is a ball screw, and the transmission part is a ball nut.

Furthermore, a connecting part is further arranged, one end of the connecting part is detachably connected with the cutter, and the other end of the connecting part is detachably connected with the shell.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

1. after the cutter finishes harvesting the potatoes, the potatoes can move along the conveyor under the driving of the harvesting trailer, so that the harvested potatoes are turned out of the ground;

2. the lifter is arranged at the bottom of the mounting column, most of the structure of the lifter can be arranged inside the harvester, the lifter is protected, and the space is saved;

3. the driving device is used for driving the harvester to reciprocate, and the driving device is favorable for liberating both hands of the farm staff, reducing the cost, improving the safety and accurately controlling the depth of the knife edge;

4. the tail end of the transmission shaft 11 inclines downwards, so that a height difference can be formed at the two ends of the transmission part, and the harvester can move back and forth along the extending direction of the transmission shaft, so that the soil penetration depth of the cutter can be adjusted.

Drawings

FIG. 1 is a perspective view of the depth adjusting mechanism of the potato harvester of the present invention.

Fig. 2 is a partial structural schematic diagram of the depth adjusting mechanism of the potato harvester of the present invention.

FIG. 3 is a schematic view of the depth adjusting mechanism of the potato harvester according to the present invention when the depth of the soil is the shallowest.

Fig. 4 is a schematic structural view of the depth adjusting mechanism of the potato harvester when the depth of the soil is deepest.

Wherein: lifter 1, driving piece 11, transmission shaft 11, connecting device 12, connecting piece 121, mounting block 122, driving device 13, motor 131, worm gear reducer 132, transmission piece 14, fixing piece 15, fixing plate 16, limiting piece 17, harvester 2, cutter 21, housing 22, mounting column 221, connecting part 222, conveyor 23, rotating shaft 231, conveyor belt 232, supporting strip 233, storage 3, harvesting trailer 4 and limiting strip 41.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

The technical scheme provides a depth adjusting mechanism of a potato harvester, which comprises a lifter 1 and a harvester 2, wherein the lifter 1 and the harvester 2 are respectively arranged on a harvesting trailer 4, the harvester 2 can move up and down along the harvesting trailer 4, the lifter 1 is connected to the harvester 2, and the lifter 1 is used for driving the harvester 2 to move up and down;

the harvester 2 comprises a cutter 21, a shell 22 and a conveyor 23, wherein the cutter 21 is arranged outside the shell 22, the cutter 21 is positioned between the shell 22 and the harvesting trailer 4, the conveyor 23 is arranged inside the shell 22, and the feeding end of the conveyor 23 is connected with the cutter 21;

a mounting column 221 is arranged at the top of the inner side of the shell 22, and the lifter 1 is mounted at the bottom of the mounting column 221; the lifter 1 comprises a driving device 13 and a transmission shaft 11, the transmission shaft 11 is connected with the output end of the driving device 13, and the harvester 2 is connected with the transmission shaft 11 through the mounting column 221; the end of the transmission shaft 11 is inclined downwards, the harvester 2 can move back and forth along the extending direction of the transmission shaft 11, and the driving device 13 is used for driving the back and forth movement of the harvester 2.

Conventional potato harvesters typically have the following drawbacks: when the harvesting depth is adjusted, a hydraulic cylinder is generally used for adjusting, but hydraulic oil is high in cost and not safe enough, the soil penetration depth of a cutter is difficult to accurately control, and crops are easily cut.

In order to solve the technical problem, the technical scheme provides a depth adjusting mechanism of a potato harvester, which is shown in figures 1-4.

The knife 21 is positioned between the housing 22 and the harvesting trailer 4, and after the knife 21 digs out potatoes in the ground, the digged potatoes can move along the conveyor 23 to the tail end of the potato harvester for collection due to the connection of the feeding end of the conveyor 23 and the knife 21.

The harvester 2 has a large internal space, and the lifter 1 is mounted at the bottom of the mounting column 221, so that most of the structure of the lifter 1 can be arranged inside the harvester 2, the lifter 1 is protected, and the space is saved;

as shown in fig. 3 and 4, when the depth adjusting mechanism works, because the end of the transmission shaft 11 is inclined downwards, a height difference is formed between two ends of the transmission shaft 11, and the harvester 2 can move back and forth along the extending direction of the transmission shaft 11, so that the height of the harvester 2 can be changed continuously along with the back and forth movement of the transmission shaft 11, and the driving device 13 drives the harvester 2 to move along the direction of the transmission shaft 11, thereby realizing the adjustment of the soil penetration depth of the cutter 21.

The driving device 13 is used for driving the harvester 2 to reciprocate, when the digging depth of the cutter needs to be deepened, the driving device 13 drives the harvester 2 to move towards the tail end of the transmission shaft 11, the harvester 2 drives the cutter 21 to move together, and the digging depth of the cutter can be deepened due to the fact that the tail end of the transmission shaft 11 is lower; when the digging depth of the cutter needs to be reduced, the driving device 13 drives the harvester 2 to move towards the direction of the starting end of the transmission shaft 11, the harvester 2 drives the cutter 21 to move together, and the digging depth of the cutter can be reduced due to the fact that the position of the starting end of the transmission shaft 11 is higher; the driving device 13 is beneficial to liberation of both hands of the farm service staff, reduces the cost, improves the safety and is beneficial to accurately controlling the depth of the knife edge;

when the harvester works, the cutter 21 of the harvester 2 is firstly inserted into the ground, then the lifter 1 is used for adjusting the height of the harvester 2, and then the harvesting trailer 4 is used for driving the harvester 2 to move forward, so that potatoes are harvested; the conveyor 23 continuously turns the harvested potatoes out of the ground during this process and conveys them to the end of the potato harvester.

Specifically, the driving device 13 includes a motor 131 and a worm and gear speed reducer 132, the transmission shaft 11 is rotatably mounted at an output end of the worm and gear speed reducer 132, the motor 131 is mounted at the worm and gear speed reducer 132, and the worm and gear speed reducer 132 can adjust power provided by the motor 131 and transmit the power to the transmission shaft 11. The motor 131 is horizontally arranged on the side surface of the worm gear speed reducer 132, so that the motor 131 can be prevented from touching the ground when the harvester 2 descends, and the safety is improved; worm gear speed reducer 132 is favorable to slowing down the number of revolutions of motor 131 to required number of revolutions, improves output torque simultaneously, is favorable to the degree of depth of ingrowing of accurate control cutter, worm gear speed reducer 132 belongs to prior art, does not do here and does not do any more and describe repeatedly.

Preferably, the motor 131 is a stepping motor, and compared with a servo motor, the stepping motor has a small size, which is beneficial to saving space, and the stepping motor has low time delay and low price.

According to the depth adjusting mechanism of the potato harvester, the driving device 13 is used for replacing a hydraulic cylinder to adjust the soil penetration depth of the cutter 21 of the harvester, so that the cost is reduced, the safety is improved, and the soil penetration depth of the cutter can be accurately controlled.

Furthermore, the lifter 1 further comprises a transmission member 14 and a connecting device 12, wherein the transmission member 14 can move back and forth along the transmission shaft 11; the connecting device 12 is detachably fixed to the transmission member 14, the connecting device 12 is mounted at the bottom of the mounting column 221, and the connecting device 12 is used for connecting the harvester 2 and the lifter 1.

The transmission part 14 is detachably fixed on the connecting device 12, and the transmission part 14 can move back and forth along the transmission shaft 11, so that the transmission part 14 drives the connecting device 12 to move so as to drive the harvester 2 to move back and forth along the transmission shaft 11, which is beneficial to adjusting the soil penetration depth of a cutter, and the connecting device 12 is beneficial to connecting the harvester 2 and the lifter 1 together more stably.

Furthermore, the connecting device 12 includes a connecting member 121 and two mounting blocks 122, the connecting member 121 is disposed at the bottom of the mounting column 221, the mounting blocks 122 are fixedly connected to the bottom of the connecting member 121, and two mounting blocks 122 enclose a mounting cavity for mounting the transmission member 14.

In order to promote the stable installation of driving medium 14, through the installation cavity that installation piece 122 encloses, can be simpler and more simply and firm with the erection column 221 with driving medium 14 is fixed, is favorable to improving the stability of device, is favorable to the degree of depth of penetrating into soil of more accurate control cutter 21.

Further, the lifter 1 further comprises a fixing plate 16 and a fixing member 15; the fixed plate 16 is mounted on the top of the driving device 13, and the fixing member 15 is connected to the harvesting trailer 4 through one end of the fixed plate 16.

The fixing part 15 and the fixing plate 16 can fix the lifter 1 on the harvesting trailer 4, which is beneficial to the lifter 1 to keep stable when the depth of the cutter 21 is adjusted, and is beneficial to improving the accuracy of the depth adjustment.

Furthermore, the lifter 1 further comprises a limiting member 17, and the limiting member 17 is mounted on the driving device 13; the harvesting trailer 4 further comprises a limiting bar 41, the limiting bar 41 is detachably mounted on the harvesting trailer 4, the limiting bar 41 is matched with the limiting part 17 in shape, and the limiting bar 41 is detachably connected with the limiting part 17.

The position of the fixing member 15 can be prevented from deviating by the limiting strip 41, so that the driving device 13 deviates in position during operation, the lifter 1 can be kept stable during depth adjustment of the cutter 21, and the accuracy of depth adjustment of the cutter 21 can be improved.

Further, the fixing member 15 is a latch, and the fixing member 15 is detachably connected to the harvesting trailer 4 through one end of the fixing plate 16.

The fixing member 15 is used for fixing the fixing plate 16 and the harvesting trailer 4 together, and the fixing member 15 is a bolt used for facilitating the disassembly of the fixing member 15, so that the fixing plate 16 and the harvesting trailer 4 are separated, and the overall flexibility is improved.

Still further, a storage 3 is included, the storage 3 is detachably mounted at the tail end of the harvester 2, and the storage 3 is connected with the blanking end of the conveyor 23.

The storage 3 is favorable for storing the potatoes, so that the trouble of manually harvesting the potatoes by the farmer is avoided, the hands of the farmer are liberated, and the integral automation degree is improved.

Furthermore, the conveyor 23 includes a rotating shaft 231, conveyor belts 232 and support bars 233, the rotating shaft 231 is rotatably installed at two sides of the inside of the casing 22, the conveyor belts 232 are arranged around the periphery of the rotating shaft 231, the conveyor belts 232 rotate along with the rotation of the rotating shaft 231, at least two conveyor belts 232 are provided, and the support bars 233 are installed between the two conveyor belts 232 at intervals.

The rotating shaft 231 and the conveying belt 232 can facilitate the potatoes to be conveyed to the storage 3, and the supporting strips 233 can be used for supporting the potatoes, so that the potatoes can be prevented from falling to the ground during conveying and being wasted.

Furthermore, the transmission shaft 11 is a ball screw, and the transmission member 14 is a ball nut.

The rotation motion can be changed into linear motion by using a ball screw and a ball nut, which is beneficial to driving the harvester 2 to move along the transmission shaft 11, thereby controlling the soil penetration depth of the cutter 21.

Furthermore, a connecting portion 222 is further provided, one end of the connecting portion 222 is detachably connected to the cutter 21, and the other end of the connecting portion 222 is detachably connected to the housing 22.

This scheme can select for use the connecting portion 222 of different length according to actual need, the length of connecting portion 222 is different, the edge of a knife of cutter 21 with the distance of shell 22 is also different, connecting portion 222 is favorable to adjusting according to the environment of difference cutter 21 with contained angle between the shell is favorable to the flexibility that cutter 21 digs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive step, and these embodiments are all intended to fall within the scope of the present invention.

Claims (10)

1. A depth adjustment mechanism of potato harvester which characterized in that: the harvester comprises a lifter and a harvester, wherein the lifter and the harvester are respectively arranged on a harvesting trailer, the harvester can move up and down along the harvesting trailer, the lifter is connected with the harvester, and the lifter is used for driving the harvester to move up and down;

the harvester comprises a cutter, a shell and a conveyor, wherein the cutter is arranged outside the shell and is positioned between the shell and a harvesting trailer, the conveyor is arranged inside the shell, and a feeding end of the conveyor is connected with the cutter;

the top of the inner side of the shell is provided with a mounting column, and the lifter is mounted at the bottom of the mounting column; the lifter comprises a driving device and a transmission shaft, the transmission shaft is connected with the output end of the driving device, and the harvester is connected with the transmission shaft through the mounting column; the tail end of the transmission shaft is inclined downwards, the harvester can move in a reciprocating mode along the extending direction of the transmission shaft, and the driving device is used for driving the harvester to move in a reciprocating mode.

2. The depth adjustment mechanism of a potato harvester of claim 1, wherein: the lifter also comprises a transmission piece and a connecting device, and the transmission piece can move back and forth along the transmission shaft; the connecting device is detachably fixed on the transmission part, is arranged at the bottom of the mounting column and is used for connecting the harvester and the lifter.

3. The depth adjustment mechanism of a potato harvester of claim 2, wherein: the connecting device comprises a connecting piece and two mounting blocks, the connecting piece is arranged at the bottom of the mounting column, the mounting blocks are fixedly connected to the bottom of the connecting piece, and the two mounting blocks form a mounting cavity for mounting the transmission piece.

4. The depth adjustment mechanism of a potato harvester of claim 1, wherein: the lifter also comprises a fixing plate and a fixing piece; the fixed plate is arranged at the top of the driving device, and the fixing piece penetrates through one end of the fixed plate and is connected with the harvesting trailer.

5. The depth adjustment mechanism of a potato harvester of claim 4, wherein: the lifter also comprises a limiting piece, and the limiting piece is arranged on the driving device; the harvesting trailer further comprises a limiting strip, the limiting strip is detachably mounted on the harvesting trailer, the limiting strip is matched with the limiting part in shape, and the limiting strip is detachably connected with the limiting part.

6. The depth adjustment mechanism of a potato harvester of claim 4, wherein: the fixing piece is a bolt, and the fixing piece detachably penetrates through one end of the fixing plate and is connected with the harvesting trailer.

7. The depth adjustment mechanism of a potato harvester of claim 1, wherein: the harvester also comprises a storage device, wherein the storage device is detachably arranged at the tail end of the harvester, and the storage device is connected with the blanking end of the conveyor.

8. The depth adjustment mechanism of a potato harvester of claim 1, wherein: the conveyer includes pivot, conveyer belt and support bar, the pivot rotationally install in the inside both sides of shell, the conveyer belt centers on the periphery setting of pivot, just the conveyer belt follows the rotation of pivot rotates, the conveyer belt is equipped with two at least, the support bar interval install in two between the conveyer belt.

9. The depth adjustment mechanism of a potato harvester of claim 2, wherein: the transmission shaft is a ball screw, and the transmission part is a ball nut.

10. The depth adjustment mechanism of a potato harvester of claim 1, wherein: still be provided with connecting portion, the one end detachably of connecting portion with the cutter links to each other, the other end detachably of connecting portion with the shell links to each other.

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