CN215269498U

CN215269498U - Self-propelled tuber mustard tuber stalk harvester

Info

Publication number: CN215269498U
Application number: CN202120782474.1U
Authority: CN
Inventors: 俞国红; 薛向磊; 郑航; 李革
Original assignee: Zhejiang Academy of Agricultural Sciences
Current assignee: Zhejiang Academy of Agricultural Sciences
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-12-24
Anticipated expiration: 2031-04-16

Abstract

The utility model provides a self-propelled preserved szechuan pickle tumour stem harvester, the harvester includes: the device comprises a walking tractor, a movable cutter device, a fixed cutter device, a frame and a gearbox; wherein the frame is fixed on the walking tractor; the gearbox is fixed on the frame and the walking tractor; the movable cutter device is respectively connected with the rack and the gearbox and is used for implementing soil breaking and root loosening; the fixed cutter device is fixedly connected with the rack and used for separating the tuber mustard tuber tumor stem from the shortened stem. The utility model provides an equipment of self-propelled preserved szechuan pickle tumour stem results to hard, the uneven current situation of landmass of preserved szechuan pickle main production area soil matter, adopts walking tractor drive to carry out the results, and the complete machine structure is light simple, and the applicability is strong. Can ensure that the tumor stems of the tuber mustard are completely cut off, and improve the harvesting efficiency.

Description

Self-propelled tuber mustard tuber stalk harvester

Technical Field

The utility model relates to the technical field of agricultural machinery, especially, relate to a self-propelled preserved szechuan pickle tumour stem harvester.

Background

Mustard tuber, also known as tumorous stem mustard, belongs to cruciferae plants, and mainly comprises leaf, root and tumorous stem of mustard, wherein the height of the overground part is 60-80 cm, the main root of the underground part is 20-30 cm, and the whole plant is 2-4 kg. The tuber mustard stem can be divided into a shortened stem and an expanded stem, wherein the expanded stem can be called as the head of the green vegetable and can be eaten, and the weight of the single tuber mustard stem is about 0.5kg, and the weight of the large tuber mustard stem is 1-1.5 kg; the shortened stem refers to the part of tuber mustard which is distributed above the ground and connected with the expanded stem, the length range is 10mm-50mm, and the diameter distribution range of the shortened stem is 15-40 mm.

The main production area of the preserved szechuan pickle is in the southwest area of China, the planting area is mostly hilly mountains, the field is in a terrace shape or a slope shape, the planting ground of the preserved szechuan pickle is uneven, the preserved szechuan pickle usually needs to be harvested manually, in the harvesting process, the preserved szechuan pickle is subjected to the processes of root cutting, collection, transportation, blade removal and the like in sequence, and the root cutting process directly acts on the shortened stem through a cutter, so that the tumorous stem of the preserved szechuan pickle is separated from the shortened stem. However, the height distribution of shortened stems from the ground is inconsistent due to extremely uneven fields and different growth vigor of the preserved szechuan pickle, and the cutting process requires that the nodulation stems cannot be damaged, so the method is the most labor-consuming link in the harvesting process of the preserved szechuan pickle. In the past, manual cutting is mostly adopted, the workload is large, the efficiency is low, the labor is lacked in hilly and mountainous areas, the harvest cost of hired workers is high, the harvest yield of one mu of land is usually completed within several days, and once the optimal harvest time is missed, the taste is greatly weakened. The harvesting process of the preserved szechuan pickle has stricter requirements, so the requirement of mechanical operation is higher for protecting the tubers of the preserved szechuan pickle to be intact.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of self-propelled preserved szechuan pickle tumour stem harvester to hard, the uneven current situation of landmass of tuber mustard main production area soil matter, adopts walking tractor drive results, and the whole structure is light and simple, but the suitability is strong, can ensure that preserved szechuan pickle tumour stem is completely amputated, improves results efficiency.

The embodiment of the utility model provides a pair of self-propelled preserved szechuan pickle tumour stem harvester, the harvester includes:

the device comprises a walking tractor, a movable cutter device, a fixed cutter device, a frame and a gearbox;

wherein the frame is fixed on the walking tractor;

the gearbox is fixed on the frame and the walking tractor;

the movable cutter device is respectively connected with the rack and the gearbox and is used for implementing soil breaking and root loosening;

the fixed cutter device is fixedly connected with the rack and used for separating the tuber mustard tuber tumor stem from the shortened stem.

In one possible design, the moving blade device comprises: the cutter frame comprises a cutter frame connecting rod, a driving connecting rod and a cutter body;

the middle part of the tool rest connecting rod is hinged with the rack and is connected with the gearbox through the driving connecting rod;

one end of the knife rest connecting rod is connected with the driving connecting rod, and the other end of the knife rest connecting rod is connected with the knife body.

In one possible design, the stationary knife device comprises: the fixed cutter connecting sleeve is connected with the fixed cutter frame, the fixed cutter is connected with the fixed cutter through the fixed cutter connecting sleeve, the fixed cutter is connected with the fixed cutter through the fixed cutter, the fixed cutter is connected with the fixed cutter fixing frame through the fixed cutter;

the fixed cutter fixing frame is fixedly connected with the rack and is respectively hinged with the fixed cutter connecting sleeve and the fixed cutter connecting rod;

one end of the fixed cutter frame is sequentially hinged with the fixed cutter connecting rod and the fixed cutter spring seat respectively, and the other end of the fixed cutter frame is fixedly connected with the fixed cutter.

In one possible design, the blade curve of the stationary knife comprises a B-spline curve.

In one possible design, the angle of the knife curve in the cutting plane to the horizontal is in the range 15 ° to 75 °.

In one possible design, the diameter of the transition arc between adjacent cutting edges in the knife curve comprises 30 mm.

In one possible design, the fixed cutter spring seat is mounted in a fixed cutter connecting sleeve and performs translational motion in the fixed cutter connecting sleeve through the action of the fixed cutter frame and the return spring.

In one possible design, a spring is attached to the fixed knife connecting rod and used for realizing self-adaptive profiling in the preserved szechuan pickle harvesting process, so that the fixed knife is attached to the preserved szechuan pickle tumor stem for cutting.

In a possible design, the machine frame is fixedly connected with a chassis of a walking tractor, the tool rest connecting rod is hinged with the machine frame, and the tool body in the moving tool device is driven by the tool rest connecting rod to break soil and loosen roots.

In one possible design, in the moving blade device moving process, power is transmitted to the gearbox through a belt, and the speed of the power is regulated through the gearbox, and then the power drives the eccentric wheel to drive the tool rest connecting rod to move;

the fixed knife rest is fixedly connected with the rack in the root cutting process of the preserved szechuan pickle by the fixed knife device, the fixed knife rest is connected with the fixed knife through a parallel four-bar mechanism, and the fixed knife floats up and down along with the terrain around a hinge point in the advancing process of the whole machine to cut the shortened stem of the preserved szechuan pickle.

The utility model provides a self-propelled tuber mustard tuber harvester, which comprises a hand tractor, a movable cutter device, a fixed cutter device, a frame and a gearbox; wherein the frame is fixed on the walking tractor; the gearbox is fixed on the frame and the walking tractor; the movable cutter device is respectively connected with the rack and the gearbox and is used for implementing soil breaking and root loosening; the fixed cutter device is fixedly connected with the rack and used for separating the tuber mustard tuber tumor stem from the shortened stem. The utility model provides an equipment of self-propelled preserved szechuan pickle tumour stem results adopts walking tractor drive results to hard, the uneven current situation of landmass of preserved szechuan pickle main production district soil matter, and the complete machine structure is light simple, and the applicability is strong. Can ensure that the tumor stems of the tuber mustard are completely cut off, and improve the harvesting efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural diagram of a conventional preserved szechuan pickle;

fig. 2 is a schematic structural view of a self-propelled tuber mustard harvester according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a movable knife device in the self-propelled tuber mustard harvester according to the embodiment of the present invention;

fig. 4 is a schematic structural view of a fixed knife device in the self-propelled tuber mustard harvester according to the embodiment of the present invention;

fig. 5 is a schematic view of a fixed-cutter curve provided by an embodiment of the present invention;

fig. 6 is a partially enlarged schematic view of a stationary knife-shaped curve provided by an embodiment of the present invention.

In the figures 1-6, 1-walking tractor, 2-moving knife device, 3-fixed knife device, 4-frame, 5-gear box, 21-knife rest connecting rod, 22-driving connecting rod, 23-knife body, 31-fixed knife connecting sleeve, 32-fixed knife rest, 33-fixed knife, 34-fixed knife fixing frame, 35-reset spring, 36-fixed knife spring seat and 37-fixed knife connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, 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 invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Mustard tuber, also known as tumorous stem mustard, belongs to cruciferae plants, and mainly comprises vegetable leaves, vegetable roots and tumorous stems; FIG. 1 is a schematic structural view of a conventional preserved szechuan pickle, wherein as shown in FIG. 1, a represents the height of a shortened stem from the ground, b represents the root length below the ground surface, c represents the diameter of the shortened stem, d represents the longitudinal diameter of an expanded stem, and e represents the diameter of the expanded stem, wherein the height of the overground part (a + d) is 60-80 cm, the root length below the ground surface b is 20-30 cm, and the weight of the whole preserved szechuan pickle is generally 2-4 kg. The tuber mustard stem can be divided into a shortened stem and an enlarged stem, wherein the enlarged stem can be called as a green vegetable head, and can be eaten generally with the weight of about 0.5kg for a single tuber mustard stem and 1-1.5kg for the larger tuber mustard stem, the shortened stem refers to the part of the tuber mustard stem which is distributed above the ground and connected with the enlarged stem, the length range is 10mm-50mm, and the distribution range of the diameter c of the shortened stem is 15-40 mm.

The main production area of the preserved szechuan pickle is in the southwest area of China, the planting area is mostly hilly and mountainous, the field is in a terrace shape or a slope shape, and the planting ground of the preserved szechuan pickle is uneven. Generally, manual harvesting is needed, in the harvesting process, the preserved szechuan pickle is subjected to the processes of root cutting, collection, transportation, leaf removal and the like, wherein the root cutting process directly acts on the shortened stem through a cutter to separate the pickled mustard tuber neoplastic stems from the shortened stem, but the height distribution of the shortened stem from the ground is different due to extremely uneven fields and inconsistent growth vigor of the preserved szechuan pickle, moreover, the cutting process requires no damage to the neoplastic stems, the link which is the most labor-consuming link in the harvesting process of the preserved szechuan pickle is mostly manually cut, the workload is large, the efficiency is low, in addition, the hilly mountain area is lack of labor force, the hired labor harvesting cost is high, and the labor cost is high. In addition, the harvest yield of one mu of land is usually finished for several days, and the taste of the preserved szechuan pickle is greatly weakened once the optimal harvest time is missed.

The following describes the technical solution of the present invention and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.

Fig. 2 is a schematic structural view of a self-propelled tuber mustard tuber harvester according to an embodiment of the present invention, as shown in fig. 2, the harvester of the present embodiment includes a hand tractor 1, a movable knife device 2, a fixed knife device 3, a frame 4 and a transmission case 5. The frame 4 is fixed on the walking tractor 1 and is arranged on the front side of the walking tractor 1; the gearbox 5 is fixed on the frame 4 and the walking tractor 1; the movable cutter device 2 is respectively connected with the rack 4 and the gearbox 5 and is used for implementing soil breaking and root loosening; the fixed cutter device 3 is fixedly connected with the frame 4 and is used for separating the tuber mustard tuber tumor stem from the shortened stem.

Specifically, the moving blade device includes: the cutter frame comprises a cutter frame connecting rod, a driving connecting rod and a cutter body; the middle part of the tool rest connecting rod is hinged with the rack and is connected with the gearbox through the driving connecting rod; one end of the knife rest connecting rod is connected with the driving connecting rod, and the other end of the knife rest connecting rod is connected with the knife body.

Fig. 3 is a schematic structural view of the moving blade device in the self-propelled tuber mustard tuber stem harvester provided by the embodiment of the utility model, as shown in fig. 3, the moving blade device includes: a tool rest connecting rod 21, a driving connecting rod 22 and a cutter body 23; the middle part of the tool rest connecting rod 21 is hinged with the frame 4 and is connected with the gearbox 5 through the driving connecting rod 22;

one end of the tool rest connecting rod 21 is connected with the driving connecting rod 22, and the other end of the tool rest connecting rod 21 is connected with the cutter body 23.

In the moving blade device moving process, power is transmitted to the gearbox 5 through a belt, and after the speed is regulated through the gearbox 5, the eccentric wheel is driven to drive the tool rest connecting rod 21 to move.

Specifically, the stationary knife device includes: the fixed cutter connecting sleeve is connected with the fixed cutter frame, the fixed cutter is connected with the fixed cutter through the fixed cutter connecting sleeve, the fixed cutter is connected with the fixed cutter through the fixed cutter, the fixed cutter is connected with the fixed cutter fixing frame through the fixed cutter; the fixed cutter fixing frame is fixedly connected with the rack and is respectively hinged with the fixed cutter connecting sleeve and the fixed cutter connecting rod; one end of the fixed cutter frame is sequentially hinged with the fixed cutter connecting rod and the fixed cutter spring seat respectively, and the other end of the fixed cutter frame is fixedly connected with the fixed cutter.

Fig. 4 is a schematic structural view of a fixed knife device in the self-propelled tuber mustard tuber stem harvester provided by the embodiment of the present invention, as shown in fig. 4, the fixed knife device includes: the fixed cutter connecting sleeve 31, the fixed cutter frame 32, the fixed cutter 33, the fixed cutter fixing frame 34, the return spring 35, the fixed cutter spring seat 36 and the fixed cutter connecting rod 37; the fixed cutter fixing frame 34 is fixedly connected with the frame 4 and is respectively hinged with the fixed cutter connecting sleeve 31 and the fixed cutter connecting rod 37; the upper end of the fixed cutter frame 32 is sequentially hinged with the fixed cutter connecting rod 37 and the fixed cutter spring seat 36, and the lower end of the fixed cutter frame 32 is fixedly connected with the fixed cutter 33.

In the root cutting process of the preserved szechuan pickle by the fixed cutter device, the fixed cutter frame 32 is fixedly connected with the rack 4, the fixed cutter frame 32 is connected with the fixed cutter 33 through a parallel four-bar mechanism, and the fixed cutter 33 floats up and down along with the terrain around a hinge point in the advancing process of the whole machine to cut the shortened stem of the preserved szechuan pickle. The parallelogram four-bar mechanism is composed of a fixed cutter connecting sleeve 31, a fixed cutter fixing frame 34, a fixed cutter connecting rod 37 and parts of a fixed cutter frame 32.

In an alternative embodiment, the blade curve of the stationary blade comprises a B-spline curve.

The included angle between the knife-shaped curve and the horizontal direction in the cutting plane ranges from 15 degrees to 75 degrees.

The diameter of a transition circular arc between adjacent cutting edges in the knife-shaped curve comprises 30 mm.

Specifically, in order to ensure the cutting effect of the shortened stem of the vegetable head to be good, referring to fig. 5, fig. 5 is a schematic view of a fixed knife type curve provided by the embodiment of the present invention, as shown in fig. 5,

the fixed knife 33 knife-shaped curve is formed by controlling a B-spline curve, and the included angle range of the knife-shaped curve and the horizontal direction is 15-75 degrees, namely the change range of the sliding cutting angle in the sliding cutting process of the fixed knife is ensured to be 15-75 degrees. In addition, according to the size distribution of the shortened stems, the diameter of a transition arc between adjacent cutting edges is designed to be 30 mm; referring to fig. 6, fig. 6 is a schematic diagram illustrating a partial enlarged view of a fixed-blade curve according to an embodiment of the present invention, and a diameter of a transition arc between adjacent blades is 30mm as shown in fig. 6.

In some optional embodiments, the fixed knife connecting rod 37 is attached with a spring, and the spring is used for realizing self-adaptive profiling in the preserved szechuan pickle harvesting process, so that the fixed knife 33 fits the preserved szechuan pickle tumor stem for cutting.

In some alternative embodiments, the stationary knife spring seat 36 is mounted within the stationary knife connecting sleeve 31 and performs translational movement within the stationary knife connecting sleeve 31 through the action of the stationary knife holder 32 and the return spring 35.

In some optional embodiments, the machine frame 4 is fixedly connected with a chassis of the walking tractor 1, the tool rest connecting rod 21 is hinged with the machine frame 4, and the tool body 23 in the movable tool device is driven by the tool rest connecting rod 21 to break soil and loosen roots.

In some optional embodiments, during the movement of the moving blade device, power is transmitted to the gear box 5 through a belt, and after the speed is regulated through the gear box 5, the eccentric wheel is driven to drive the tool rest connecting rod 21 to move;

The utility model provides an equipment of self-propelled preserved szechuan pickle tumour stem results, will one set move the knife and break ground device and one set of quiet sword root cutting device combination to one set of machine on, adopt to move the mode that the knife breaks ground and combines stationary knife root cutting to carry out the results to preserved szechuan pickle green vegetable head, especially to the hard soil that preserved szechuan pickle main production area faces, the uneven current situation of land parcel, adopt hand tractor drive results, the complete machine structure is light simple, and the applicability is strong. Can ensure that the tumor stems of the tuber mustard are completely cut off, and improve the harvesting efficiency.

In the present invention, unless explicitly stated otherwise, the terms "mounting," "connecting," "fixing," and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected internally or in any other manner known to those skilled in the art, unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A self-propelled tuber mustard harvester is characterized by comprising:

wherein the frame is fixed on the walking tractor;

the gearbox is fixed on the frame and the walking tractor;

2. The harvester of claim 1, wherein the moving blade assembly comprises: the cutter frame comprises a cutter frame connecting rod, a driving connecting rod and a cutter body;

3. A harvester according to claim 2, in which the stationary knife means comprises: the fixed cutter connecting sleeve is connected with the fixed cutter frame, the fixed cutter is connected with the fixed cutter through the fixed cutter connecting sleeve, the fixed cutter is connected with the fixed cutter through the fixed cutter, the fixed cutter is connected with the fixed cutter fixing frame through the fixed cutter;

4. The harvester of claim 3, wherein the blade curve of the stationary knife comprises a B-spline curve.

5. A harvester according to claim 4, characterised in that the angle of the knife curve in the cutting plane with the horizontal is in the range 15 ° -75 °.

6. The harvester of claim 5, wherein the transition arc diameter between adjacent blades in the knife curve comprises 30 mm.

7. The harvester of claim 3, wherein the fixed cutter spring seat is mounted within a fixed cutter connecting sleeve and is movable in translation within the fixed cutter connecting sleeve by the action of the fixed cutter carriage and the return spring.

8. A harvester according to any one of claims 3 to 7, characterized in that springs are attached to the fixed knife connecting rods and used for realizing self-adaptive profiling during the harvesting process of the preserved szechuan pickle, so that the fixed knives can be attached to the pickled mustard tuber for cutting.

9. The harvester according to claim 2, wherein the frame is fixedly connected with a chassis of a walking tractor, the tool rest connecting rod is hinged with the frame, and the tool body in the movable tool device is driven by the tool rest connecting rod to break soil and loosen roots.

10. The harvester according to claim 8, wherein during the movement of the movable cutter device, power is transmitted to the gearbox through a belt, and the speed of the power is regulated through the gearbox, and then the power drives an eccentric wheel to drive the cutter frame connecting rod to move;