JPH05336819A - Root vegetable harvester - Google Patents

Abstract

PURPOSE:To prevent foliage of root vegetables from being caught in a pair of endless chains and a sprocket in which a pair of endless chains is suspended, stably carry these root vegetables without damaging or dropping root vegetables and secure safety of workers when these root vegetables are carried in a state held by a pair of endless chains. CONSTITUTION:A guide path 37 for guiding root vegetables A to a carrying direction by oppositely provided frame members 35 is formed. Opposite inside turning parts 4 of a pair of endless chains 40 suspended on these opposite frame members 35 are closely brought into contact with each other and moved at the same rate along the guide path 37 and these root vegetables A are held by these opposite inside turning parts 41 and carried. An elastic cover 51 for covering the upper part of these opposite turning parts 41 is provided in both side edge parts of the guide path 37.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a root vegetable harvesting machine, for example, a machine for digging and harvesting root vegetables such as radish, carrots and radishes.

[0002]

2. Description of the Related Art Conventionally, as a harvester of this type, for example, as disclosed in Japanese Patent Laid-Open No. 222222/1990, an excavator for excavating root vegetables is provided in a machine frame. A conveyor for conveying root vegetables is provided at the rear of the
This transport conveyor has a pair of endless chains that can move freely at the same speed by bringing the inner traveling parts that sandwich and transport the excavated root vegetables into close proximity to each other. A configuration is known in which guides are provided at opposing inner traveling portions so as to respectively support the inner traveling portions and guide the transition thereof. Then, the root vegetables are dug up with the dugout body, and the root vegetables are brought into the transport conveyor in the state of being planted, and the root vegetables are sandwiched between the inner traveling parts of the pair of endless chains of the transport conveyor that face each other. It is designed to be transported and carried out.

[0003]

In the configuration described in the above publication, root vegetables are sandwiched and conveyed in a state of being planted between the inner traveling parts of the pair of endless chains which face each other. When the root vegetables are sandwiched between the opposite inner traveling parts of the endless chain and the sprockets on which the pair of endless chains are suspended are exposed, Conveyance that is sandwiched between and conveyed During the conveyance, the foliage and other foreign matter of the root vegetables hanging down on the sprockets and the endless chain cannot be conveyed continuously in a stable state, or the root vegetables can be conveyed. However, there is a problem in that it is not preferable in terms of ensuring the safety of the operator.

Therefore, the present invention has been made in view of the above-mentioned points, and covers the upper portions of the inner traveling parts of the pair of endless traveling bodies that face each other, so that the roots and leaves of root vegetables and miscellaneous substances are endlessly rotated. It is possible to prevent the root vegetables from being caught in a guide wheel that guides the row body or the endless rolling body, and to continuously convey the root vegetables in a stable state, without damaging the root vegetables, and It is intended to provide a root vegetable harvester capable of ensuring safety.

[0005]

A root vegetable harvesting machine of the present invention comprises a machine frame, a dug body provided in the machine frame for dug up root vegetables, and located at a rear portion of the dug body. A conveyor frame that is connected to a machine frame and forms a guide path that guides the root vegetables in the conveying direction; and a conveyor frame that is provided so as to be rotatable in opposition to the conveyor frame and that conveys the excavated root vegetables. A pair of endless traveling bodies that move the respective inner traveling portions close to each other at the same speed along the guide path, and an inner traveling portion that is provided on the conveyor frame and that opposes the pair of endless traveling bodies. Guides which respectively support and guide the transition thereof, the conveyor frame has frame members arranged and fixed opposite to each other, and the guide paths are formed by the frame members on both sides of the frame member. Both frame members Kaigyo freely the guide wheels that suspending each of said pair of endless rotary line body freely and Jikuka rotate in section,
Elastic covers are provided along the opposite side edges of the guide path to cover the upper portions of the inner traveling portions of the pair of endless traveling bodies that face each other.

[0006]

In the root vegetable harvesting machine of the present invention, the machine frame is connected to, for example, a three-point link mechanism of a tractor, and the digging bodies connected to the machine frame are exposed to the row ridges of the root vegetables for harvesting. Also,
The pair of endless traveling bodies are driven so that the inner traveling portions facing each other move in the same direction along the guide path of the conveyor frame at the same speed while being close to each other. Then, when the machine is towed by the tractor, the digging body sequentially digs up the root vegetables of the ridge, and each of these root vegetables is carried into the carry-in section of the guide path of the conveyor frame in the state of being planted. The pair of endless traveling bodies are sandwiched between the inner traveling portions that face each other, and are sequentially conveyed by the inner traveling portions that face each other, and are sequentially carried out from the carry-out portion.

At this time, since the upper portions of the inner traveling portions of the pair of endless traveling bodies that face each other are covered with elastic covers provided along both side edges of the guide path of the conveyor frame, the root vegetables are hung down. Foliage and miscellaneous materials are prevented from being caught in the guide ring and endless rotating body, the root vegetables are continuously conveyed in a stable state, and the root vegetables are not damaged. Sex is secured. Further, since the inner traveling parts of the pair of endless traveling bodies that face each other are supported by the respective guides and the transition thereof is guided, the inner traveling parts of the pair of endless traveling bodies that are opposed to each other are twisted. It is possible to prevent the root vegetables from being meandered or to meander, so that the root vegetables can be reliably conveyed at the opposite inner circulation parts.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, reference numeral 1 is a machine frame, which has a main frame 2 which is long in the left-right direction.
A mission 4 having an input shaft 3 is provided on one side portion of the main frame 2, and left and right lower arms 6 having lower pins 5 at the front end portions are projectingly provided from one end portion and an intermediate portion of the main frame 2 to the front portion. The lower arm 6 and the mast 7 projecting from the upper part of the mission 4 to the front part are connected by a stay 8. A support frame 11 parallel to the main frame 2 is fixed to a connecting piece 9 at the rear end of the mast 7 and a connecting piece 10 connected to the rear end of the lower arm 6 at the one end.

A pair of left and right plate-shaped support frames 12 extending in the front-rear direction are connected to the other ends of the main frame 2 and the support frame 11 at predetermined intervals. An output end of an output shaft 13 of the mission 4 rotatably inserted in the main frame 2 is rotatably supported between the support frames 12, and a cam 14 is attached to the output end of the output shaft 13. It is fixed. Also,
A tip end of a vibrating arm 17 extending in the front-rear direction is pivotally attached to an upper portion of a projecting piece 15 engaged with the cam 14 so as to be vertically rotatable. Horizontal axis 18
The pair of left and right plate-like support frames 12 have their rear ends pivotally supported in the vertical direction.

Further, a supporting column is provided at the rear end of the vibrating arm 17.
The upper end of 19 is fixed by a plurality of bolts and nuts 20 in a vertically adjustable position and detachably attached.
The excavated body 21 is fixed to the lower end of the. This excavated body 21
Is formed by fixing a plurality of tips 22 formed in a mountain shape in a row in the left-right direction, and each tip 22 group is fixed to the lower end of the support column 19 while being slightly inclined forward and downward. .. Further, a support arm 24 having a grounding wheel 23 rotatably mounted on the middle portion of the support frame 11 is attached by an adjusting mechanism 25 so that the position thereof can be adjusted in the vertical direction.

Next, between the support arm 24 and the plate-shaped support frame 12 on the inner side, left and right arms 26 are integrally provided on the support frame 11 so as to project rearward in parallel. The front end portions of the left and right connecting arms 28 are connected to the left and right portions of the hitch frame 27 connected between the rear end portions of the left and right arms 26 by connecting pins 29, and the transport conveyor 30 is attached to the left and right connecting arms 28. It is connected. The transfer conveyor 30 has a left-right connecting frame 31 connected to the left and right connecting arms 28 in a state in which the left and right connecting arms 28 are parallel to each other at a predetermined interval and are inclined toward the front right. A conveyor frame 33 is fixed to a plurality of support pieces 32 fixed to the connection frame 31 and the right connection arm 28 among the left and right connection arms 28. One end of the conveyor frame 33 is located on the right side in the traveling direction. The excavated body 21 is disposed so as to face the rear side of the excavated body 21 and the other end portion is provided from the rear portion of the grounding wheel 23.
It is arranged on the left side in the direction of travel opposite to.

The conveyor frame 33 has front and rear facing frame members 35 connected at the same level by a plurality of inverted U-shaped connecting members 34. The front and rear frame members 35 are connected from one end to the other end. The other end is gradually arranged toward the upper part and fixed in a state of being inclined highly. Further, a carrying-in portion 36 is formed between the one ends of the front and rear frame members 35, which is open to the rear of the excavated body 21 and has a substantially V-shape in a plan view. The front and rear frame members 35 form a guide path 37 that guides the transportation of root vegetables toward the other end. Further, sprockets 38 as guide wheels are rotatably mounted on both ends and an intermediate portion of the front and rear frame members 35, and each of the guide bodies 38 is
A plurality of guide rollers 39 are rotatably mounted between the
Guide bodies at both ends and an intermediate portion of the frame member 35 before and after this
An endless chain 40 as a pair of endless traveling members is rotatably suspended inward in the directions opposite to each other in a state where the inner traveling parts 41 are close to each other on 38, and The middle of the endless chain 40 is rotatably supported by the respective guide rollers 39.

Further, motors 42 for rotating and driving the opposite sprockets 38 of the other end portion are provided on the upper ends of the other ends of the front and rear frame members 35, respectively. The pair of endless chains is controlled by the output from the motor 42.
40 is adapted to move at the same speed in the same direction along the guide path 37 in a state where the respective inner slewing portions 41 are brought close to each other by the respective sprocket 38 and each guide roller 39, and The root vegetables are sandwiched and conveyed between the inner traveling parts 41 facing each other. Thus, the pair of endless chains 40 are arranged vertically to form a large number of links.
43, the upper and lower links 43 are endlessly formed with a large number of vertical axes 44 rotatably supporting the overlapping portions in a vertical state and rollers 45 rotatably mounted on the vertical axes 44. ing. Further, in the plurality of upper and lower links 43, engaging pieces 46 are horizontally projected on the inner side of every other upper and lower links 43, and the link 43 having the engaging pieces 46 is provided. Mounting pieces 47 are vertically projected on the outer side of each link 43 between, and a large number of sandwiching pieces 48 made of an elastic member of a predetermined length are fixed to the mounting pieces 47 by bolts and nuts 49. Then, the pair of endless chains 40 are connected by the plurality of holding pieces 48.
A series of clamping bands 50 are formed on the outer peripheral portion of the whole.

Next, at both side edges of the guide path 37, that is, at opposite side edges of the front and rear frame members 35, the insides of the pair of endless chains 40 opposite each other along the both side edges. One ends 51a of the elastic covers 51 covering the upper part of the traveling portion 41 are integrally fixed by a fixing member, respectively, and the other ends 51b of the opposing elastic covers 51 are opposed to each other inward rotation of the pair of endless chains 40. It is arranged so as to face the inner side of the attachment piece 47 on the upper part of the row part 41 and the link 43 on the upper part. The elastic cover 51 has an elastic plate member such as a rubber plate having a curved portion 51c curved between the one end portion 51a and the other end portion 51b so as to project downward. Then, the elastic covers 51 cover the upper portions of the inner traveling parts 41 of the pair of endless chains 40 that are sequentially moved to face each other.

A plurality of guide mechanisms 52 are provided at predetermined positions of the front and rear frame members 35 to guide the transition of the inner traveling parts 41 of the pair of endless chains 40 which face each other. The guide mechanism 52 includes a lever 54 having an intermediate portion pivotally supported in a horizontal direction by a support shaft 53 between the upper and lower frame plates 35a and 35b of the front and rear frame members 35. A substantially middle portion of a guide 56 is axially attached to a U-shaped connecting portion 55 formed at the tip end thereof by a bolt / nut 57 so as to be rotatable in the horizontal direction. The guide 56 includes upper and lower guide plates 58a and 58b formed by a plate-shaped member and elongated in the left-right direction.
The upper guide plate 58a is formed by gradually thinning the tip portion, and the lower guide plate 58b is formed by the upper guide plate 58a.
It projects downward from the middle of a and is formed parallel to the upper guide plate 58a. And each of these opposing guides
The upper guide plate 58a of 56 is located between the upper and lower engaging pieces 46 of the inner traveling parts 41 of the pair of endless chains 40 facing each other, and sequentially supports the upper and lower engaging pieces 46 and prevents the transition thereof. The lower guide plate 58b sequentially supports the lower mounting pieces 47 and the lower ends of the vertical shafts 44 of the inner traveling portions 41 of the pair of endless chains 40 which face each other. It is designed to guide the transition.

A coil-shaped spring 60 is stretched between the rear end of the lever 54 and a pin 59 projecting from the lower frame plate 35b, and the guides 56 opposed to each other by the spring 60 are always provided. The inner guide portions 41 of the pair of endless chains 40 are urged toward each other by the guides 56 facing each other so as to approach each other.

Next, the operation of the above configuration will be described.

The connecting portions of the left and right lower pins 5 and the mast 7 of the machine frame 1 are connected to the three-point connecting portions of the three-point link mechanism of the tractor, and the input shaft 3 of the mission 4 is connected to the power transmission shaft of the power output shaft of the tractor. Connect via.

Next, the digging body 21 on the right side of the machine casing 1 is arranged by the tractor so as to face the ridge on which the radish A as root vegetables has been cultivated, and the input shaft 3 is rotated by the output from the power take-off shaft of the tractor. And the output shaft 13 of the mission 4 is rotated, and the cam 14 at the output end of the output shaft 13 is rotated.
The vibrating arm 17 and the pillar 19 are vertically rotated by the cam 14 with the horizontal shaft 18 as a fulcrum, and the excavated body 21 at the lower end of the pillar 19 is vertically vibrated. Further, when the motor 42 is rotated, a pair of endless chains 40 facing each other between the respective sprockets 38 of the front and rear frame members 35 are rotated by the output from the motor 42 inwardly in the opposite directions,
Also, the inner traveling parts of the pair of endless chains 40 facing each other.
In the state where 41 are close to each other, they are shifted at the same speed along the guide path 37 in synchronization.

When the machine is towed by the tractor, the soil of the ridge is softened by the vibration excavation action of the excavation body 21, the radish A is sequentially lifted up and excavated, and the radish A is subsided again. Before that, it is sequentially carried into the carry-in section 36 between the pair of endless chains 40 of the conveyor 30. Further, the upper part of the radish A carried into the carry-in part 36 or the base of the foliage B is sandwiched between the inner traveling parts 41 of the pair of endless chains 40, and along the guide path 37 from the carry-in part 36 at one end in the traveling direction. The radish A is transported while being hung up upward toward the unloading section 61 at the other end, and the radish A is at the unloading section 61 at the other end.
From the above, the radish A is successively carried out to the left side portion in the traveling direction after being dug out, that is, to the side portion opposite to the excavated body 21 on the right side.

In this case, the upper portions of the inner traveling portions 41 of the pair of endless chains 40 which face each other are provided with the guide paths 37 of the conveyor frame 33.
Since it is covered with the elastic covers 51 on both sides provided along both side edges of the sprocket 38, the hanging foliage B of the radish A and miscellaneous matters may be caught in the sprocket 38 and the inner traveling portion 41 of the endless chain 40. It is prevented and the radish A is transported smoothly and continuously without cutting the foliage B.
The radish A is not damaged during this transportation,
In addition, the safety of workers is secured.

Further, since the pair of endless chains 40 are provided with a series of gripping bands 50 composed of a large number of gripping pieces 48 on the outer side, a pair of endless chains 40 have a series of gripping portions. The belts 50 are sequentially transferred while facing each other, so that the upper part of the radish A or the base of the foliage B is automatically clamped between the opposed clamping bands 50, and the radish A is gradually clamped upward while being clamped. Sequential carry-out section while being suspended
Transported from 61. Further, the inner traveling parts 41 of the pair of endless chains 40 which are opposed to each other are urged and supported by the upper and lower guide plates 58a and 58b of the respective guides 56 of the guide mechanism 52 in a direction in which they approach each other, so that the respective sandwiching parts are held. The radish A is securely sandwiched by the opposing sandwiching bands 50 composed of the pieces 48, and a pair of endless chains is formed by the opposing guides 56.
The inner traveling portion 41 of 40 is prevented from being twisted or meandering, so that the radish A does not drop during transportation.

In the above embodiment, the case where the endless chain 40 is used as the pair of endless traveling bodies has been described, but the invention is not limited to this, and the endless V belt may be used as the endless traveling body. In this case, the endless V-belt may use a V-pulley as a guide wheel, and may be rotatably suspended by the V-pulley.

[0025]

According to the present invention, the guide members for guiding the root vegetables in the conveying direction are formed by the frame members which are arranged and fixed relative to each other, and the guide members are mounted on both ends of the frame members on both sides. The pair of endless traveling bodies are suspended between the sprockets so as to be respectively rotatable, and the inner traveling portions that sandwich and convey the root vegetables of the pair of endless traveling bodies are brought close to each other to form the guide path. Since the elastic covers are provided to cover the upper portions of the inner traveling parts of the pair of endless traveling bodies which are opposed to each other along the both side edges of the guide path, the elastic covers of the both side parts are provided. The pair of endless rolling bodies can be surely covered with the upper part of the inner side traveling parts, and the roots and leaves of root vegetables and miscellaneous matter are caught in the guide ring and the endless rolling body that guide the endless rolling body. Can be prevented, and root vegetables can be continuously conveyed in a stable state. Rukoto can, without having to damage the root vegetables, also, it is possible to ensure worker safety. In addition, since the covers on both sides that cover the upper portions of the opposing inner traveling portions have elasticity, it is possible that the opposing inner traveling portions that move sequentially toward the lower portions of the cover on both sides move up and down. Even if there is, it is possible to reliably cover the upper part of the inward traveling portion by sufficiently responding to the vertical movement.

[Brief description of drawings]

FIG. 1 is a plan view of a root vegetable harvester showing an embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is an enlarged plan view of a part of the transfer conveyor.

FIG. 4 is a sectional view taken along line aa in FIG.

[Explanation of symbols]

 1 Machine frame 21 Digging body 33 Conveyor frame 35 Frame member 37 Guideway 38 Guide ring 40 Endless rolling body 41 Inner rolling section 51 Elastic cover 56 Guide A Root vegetables

Claims (1)

[Claims] 1. A machine casing, an excavation body for excavating root vegetables provided in the machine casing, and a rear portion of the excavation body, which is connected to the machine casing and guides the root vegetables in a conveying direction. A guide frame formed with a guide path, and inner guide parts that are provided so as to be rotatable in opposition to the conveyor frame and that convey the excavated root vegetables by sandwiching them near each other. A pair of endless traveling bodies that are moved at the same speed along the road, and guides that respectively support the inner traveling portions of the pair of endless traveling bodies that are provided on the conveyor frame and that guide the transition. The conveyor frame has frame members that are arranged and fixed opposite to each other, the guide paths are formed by the frame members on both sides, and the pair of endless rotations are provided at both ends of the frame members on both sides. Each of the body A guide wheel suspended freely is rotatably mounted, and elastic covers are provided along the both side edges of the guide path to cover the upper portions of the inner traveling portions of the pair of endless traveling bodies that face each other. A root vegetable harvester characterized by that.