JP2023064914A - root crop harvester - Google Patents

Abstract

To provide a root crop harvester capable of properly storing harvested objects without spilling to outside, the harvested objects being fallen into a storage member from a transport termination part, for solving problems for example, in the root crop harvester for drawing and transporting root crops by a drawing and transport unit, from a farm field, and storing the root crops in a flexible container bag provided on the transport termination part, sometimes an upper opening of the flexible container bag provided on the transport termination part falls into inside, and the root crops spill outside without being put into the flexible container bag from the transport termination part.SOLUTION: There is provided a root crop harvester which has a storage part E for storing root crops which are transported by a transport part D for transporting harvested root crops, in which, an engagement tool 25a of a suspension hanger is hooked and suspended from a suspension part 22c of the upper opening 22a of a storage member 22 which stores from the upper opening 22a, the root crops being discharged downward from a transport termination part of the transport part D, and the harvester has an auxiliary engagement tool 34 to which an auxiliary suspension part 22b is engaged, the auxiliary engagement tool being provided on the transport termination side of the transport part D of the upper opening 22a of the storage member 22.SELECTED DRAWING: Figure 4

Description

TECHNICAL FIELD The present invention relates to a root vegetable harvester that collects crops from a field and stores them in a storage member such as a flexible container bag.

Conventionally, there is a root vegetable harvester that pulls out and conveys root vegetables from a field with a pull-out conveyer and stores the root vegetables in a flexible container bag provided at the conveying end of a sorting conveyer (see, for example, Patent Document 1).

JP 2011-115069 A

However, the upper opening of the flexible container bag provided at the terminal end of the transportation of the sorting and conveying device collapses inward and narrows the opening, causing root vegetables to spill out without entering the flexible container bag from the terminal end of transportation. may occur.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a root vegetable harvester capable of appropriately storing root vegetables falling into a storage member from the end of conveyance without spilling to the outside. .

In the invention according to claim 1, the machine is transported by a traveling part A, a control part B, a harvesting part C, which harvests root vegetables from a field, a transport part D, which transports the harvested root vegetables, and a transport part D. In a root vegetable harvester equipped with a storage part E for storing root vegetables, a locking tool 25a of a suspension hanger 25 stores the root vegetables discharged downward from the transfer terminal part of the transfer part D from an upper opening 22a. Auxiliary locking for hooking onto the hanging portion 22c of the upper opening 22a of the containing member 22 to support the suspension, and locking the auxiliary hanging portion 22b provided on the conveying terminal side of the conveying portion D of the upper opening 22a of the containing member 22. This is a root vegetable harvester provided with a tool 34.

According to the first aspect of the invention, the locking member 25a of the suspension hanger 25 is attached to the upper opening 22a of the containing member 22 for containing the root vegetables discharged downward from the conveying end portion of the conveying section D from the upper opening 22a. Since the auxiliary locking member 34 is provided for hooking to the hanging portion 22c of the storage member 22 to support the suspension, and for locking the auxiliary hanging portion 22b provided on the conveying end portion side of the conveying portion D of the upper opening 22a of the housing member 22, When the auxiliary hanging portion 22b provided at the upper opening 22a of the housing member 22 on the side of the conveying end portion of the conveying portion D is supported by the auxiliary locking member 34, the upper opening 22a positioned below the conveying end portion of the conveying portion D is lifted. To prevent root vegetables discharged downward from a conveying end part of a conveying part D from falling inward and narrowing an opening, and to properly store them in a containing member 22 without spilling out of the containing member 22.例文帳に追加can be done.

According to the second aspect of the invention, the auxiliary locking member 34 is provided so as to be switchable between a state perpendicular to or substantially perpendicular to the discharge port 21e of the conveying end portion of the conveying portion D and a state facing the outside of the machine body. 1. The root vegetable harvester according to 1.

According to the invention of claim 2, in addition to the effect of the invention of claim 1, the auxiliary locking member 34 can be arranged in a state orthogonal or approximately orthogonal to the discharge port 21e at the transport terminal end of the transport unit D. Since the auxiliary locking member 34 can be freely switched to the state facing the outside of the machine body, the auxiliary locking member 34 can be attached to the auxiliary locking member 34 in a state perpendicular or substantially perpendicular to the discharge port 21e at the end of the conveying section D. The auxiliary suspending portion 22b of the upper opening 22a of the containing member 22 can be locked by the auxiliary locking member 34, and the upper opening 22a of the containing member 22 can be appropriately supported.

Further, when the auxiliary locking tool 34 is switched to the state facing the outer side of the aircraft body, the auxiliary hanging part 22b can be easily locked and released by the auxiliary locking tool 34. As shown in FIG.

According to the third aspect of the invention, the storage member 22 is a flexible container bag 22 suspended by a suspension hanger 25, and the auxiliary locking tool 34 is a pivot shaft provided on the bottom side of the transportation end portion of the transportation section D 3. The root vegetable harvester according to claim 1 or claim 2, wherein the locking hook 34 rotates about 33.

According to the fourth aspect of the invention, the engaging hook 34 has a straight portion 34c at its tip by bending the middle portion at the bent portion 34b, and the straight portion 34c is inserted through the auxiliary hanging portion 22b to engage the auxiliary hanging portion 22b. 4. The root vegetable harvester according to claim 3, which stops.

According to the fifth aspect of the invention, an urging mechanism 36 is provided for urging the locking hook 34 toward a state perpendicular to or substantially perpendicular to the discharge port 21e at the conveying end portion of the conveying portion D. The root vegetable harvester according to claim 4.

The invention according to claim 6 is any one of claims 3 to 5, in which a hook holding part 37 is provided for supporting a locking hook 34 in a state perpendicular or substantially perpendicular to the discharge port 21e of the conveying end portion of the conveying part D. 1. The root vegetable harvester according to 1.

1 is a plan view of a carrot harvester according to an embodiment of the present invention; FIG. It is a rear view for operation|movement description of a carrot harvester same as the above. It is a side view of a carrot harvester same as the above. It is a perspective view of the principal part of a carrot harvesting machine same as the above. It is a side view of the principal part of a carrot harvester same as the above. It is a front view of the principal part of a carrot harvester same as the above. Fig. 10 is a perspective view of the essential part of the second embodiment of the carrot harvester of the present invention;

DESCRIPTION OF THE PREFERRED EMBODIMENTS A carrot harvester, which is a type of root vegetable harvester, shown as an embodiment of the present invention will be described with reference to FIGS. 1 to 7. FIG. In the following, front and rear and left and right are referred to with reference to the forward direction of the airframe.

<Overall composition>
The carrot harvester includes a traveling section A for traveling the machine body, a control section B for the operator to board, a harvesting section C for extracting carrots from the field on one left and right side of the machine body and conveying them to the rear upper side of the machine body, and the harvesting section C. The stems and leaves are cut while being transported to the rear of the aircraft at the foliage cutting section, the carrots falling from the foliage cutting section are received, and the stems and leaves remaining on the carrot are processed at the residual leaf processing section, and the residual leaves are processed. A conveying part D which takes over the carrots from the processing part, conveys the carrots from one left and right side of the machine body to the other left and right sides, and sorts out the carrots being conveyed by an assistant worker, and a container for the carrots discharged from the conveying part D. is arranged.

<Running part A>
The left and right drive sprockets 2, 2 on the front side of the machine body, the left and right driven wheels 3, 3 on the rear side of the machine body, and the left and right drive sprockets 2, 2 and the left and right driven wheels 3, 3 are mounted below the body frame 1. Left and right crawlers 6L and 6R are constructed by winding left and right belts 5 and 5 around a plurality of rollers 4. - 特許庁Then, the left and right drive sprockets 2, 2 of the left and right crawlers 6L, 6R are attached to the left and right drive shafts extending to the left and right sides from the transmission case to which the power of the engine is transmitted. , 6R to the body frame 1.

<Manipulator B>
An operation section frame 7 is attached to the right upper portion of the body frame 1, an operation seat 8 is attached to the operation section frame 7, and an operation panel 9 is attached to the front side of the aircraft body. On the control panel 9, a speed change operation lever 10 for switching forward/backward movement and traveling speed of the machine body is attached, and a lifting operation lever 11 for operating the right/left turning operation of the machine body and the working height of the harvesting section C is installed.

Also, a radiator cover 12 for protecting the radiator (not shown) for cooling the engine and taking in cooling air is detachably attached to the right and left sides of the control section frame 7 (right side of the fuselage). A control section B is configured.

With the above configuration, by providing a single control member such as the shift control lever 10 and the elevation control lever 11, which can perform a plurality of operations, the control of the airframe is facilitated, and the operator's work can be reduced. .

<Harvesting Department C>
Left and right driven pulleys are rotatably mounted on the front side of the machine body of the left and right pull-out frames 13, 13, and left and right driving pulleys are mounted on the rear side of the machine body. The left and right nipping and conveying belts to be conveyed are wrapped around, the left and right nipping and conveying belts are tensioned by a plurality of tension rollers, and the inner side surfaces of the left and right nipping and conveying belts are brought into pressure contact with each other to form a pulling-out and conveying route R for carrots. A rotating frame is attached to the upper part of the body frame 1 so as to be rotatable in the vertical direction with the left and right horizontal shafts as the fulcrum, and a transmission for transmitting the driving force to the left and right driving pulleys is provided at the rear end of the rotating frame. A case is attached so as to be vertically rotatable around a pivot point. Further, the machine body frame 1 and the rotating frame are connected by an elevating cylinder, and the elevating cylinder is attached so as to be operable by the control section B, thereby constituting the pull-out transport device 17 .

In addition, a vertical lifting device 18 for lifting the stems and leaves of carrots in front of the pull-out conveying device 17, a horizontal lifting device 19 for scooping up the stems and leaves lifted by the vertical lifting device 18, and the horizontal lifting device 19. A dividing rod 20 provided in the front part of the plant, a rotatable gauge wheel that prevents the pull-out conveying device 17 from going down too much, and a lateral vibration that reciprocates by the driving force of the engine and loosens the left and right soil of the carrot in the soil. Soiler S is provided.

A harvesting section C is constructed by installing a tail cutting device for cutting the roots of carrots being conveyed by the drawing and conveying device 17 below the drawing and conveying passage R.

With the above configuration, by providing the horizontal lifting device 19 having the dividing rod 20 on the front side of the machine body and the vertical lifting device 18, the harvesting work can be performed while raking up the stems and leaves of the carrot lodged in the field. Visibility is improved, making it easier to adjust the pulling position.

In addition, since the carrots can be prevented from being damaged by contact with the right-and-left vibrating soyler S or the like, the commercial value of the carrots is improved.

Then, the body frame 1 and a rotating frame that can be rotated in the vertical direction with the left and right horizontal shafts as the rotation fulcrum are connected by an elevating cylinder, and the elevating cylinder is expanded and contracted by operating the elevating operation lever 11 of the control section B. With this configuration, the vertical height of the entire harvesting section C can be adjusted by operating the lifting operation lever 11, so that the position of the starting end of the drawing-out conveying of the harvesting section C can be adjusted in the vertical direction and vegetation can be grown in the field. The position of the starting end of the carrots to be pulled out can be adjusted according to the appropriate height of the carrots to be pulled out, and the carrots can be prevented from being left unpulled, thereby improving work efficiency.

In addition, if the harvesting section C is raised during turning, the lower end of the harvesting section C is less likely to come into contact with the field, so that the turning operation is performed smoothly and work efficiency is improved.

<Conveyor D>
The sorting transport device 21 for the sorting work of the transport unit D is arranged in the left-right direction of the machine body from the lower rear part of the pull-out transport device 17 of the harvesting unit C toward the storage unit E with the flexible container bag 22, which is a storage member for storing carrots. It is composed of a chain conveyor provided with crosspieces at regular intervals that are rotated by the driving force from the engine. In addition, the stem and leaf part of the carrot conveyed with the stem and leaf part pinched by the pulling and conveying device 17 is cut at the stem and leaf cutting part at the lower end of the stem and leaf part (a little above the head of the carrot), and the carrot falls downward. The falling carrots are received by the residual leaf processing unit, and the stems and leaves remaining on the carrots are processed and transported to the transport unit D. - 特許庁Then, the sorting and conveying device 21 of the conveying section D conveys the carrot from the left end to the right side (storage section E).

In addition, the sorting and conveying device 21 includes a horizontal conveyor 21a provided horizontally on the right side of the machine body from below the rear portion of the pull-out conveying device 17 of the harvesting section C, and the harvested crops are taken over from the right end of the horizontal conveying conveyor 21a to the storage section E. It is composed of a movable conveyer 21b that conveys obliquely upward and to the right.

The left end of the movable conveyor 21b, which takes over the harvested crops from the right end of the horizontal conveyor 21a, is rotatably supported by a pivot shaft. It can be moved up and down to change the angle of inclination.

An auxiliary working seat 23 is provided on the rear side of the movable conveying conveyor 21b, and the carrots sent by the movable conveying conveyor 21b cannot be sold by a worker sitting on the auxiliary working seat 23. Things (small carrots and odd-shaped carrots) are taken out, and only carrots with proper commercial value are sent to the container E.

An operator seated on the auxiliary work seat 23 moves the right end side of the movable conveyer 21b up and down by extending and contracting the vertical movement electric cylinder 21c with a foot-operated up switch and down switch.

A reinforcing member 21d having a U-shaped cross section whose lower end is pivotally supported by the body frame 1 is fixed by bolts to the lower surface of the left side of the movable conveyer 21b to prevent the movable conveyer 21b from swinging. (especially to prevent vibration in the front-back direction).

The upper portion of the vertical movement electric cylinder 21c for vertically moving the right end of the movable conveyor 21b is positioned in the U-shaped internal space of the reinforcing member 21d, and the upper end portion thereof is pivotally supported by the reinforcing member 21d. .

Further, the upper side of the reinforcing member 21d is flat, and functions as a shooter that guides and discharges garbage or the like that has fallen from the movable conveyer 21b to the field between the left and right crawlers 6L and 6R.

Then, at the right end of the movable conveyer 21b, as will be described later, an auxiliary suspension as an auxiliary suspension provided at the front and rear center position of the upper opening 22a of the flexible container bag 22 suspended on the suspension hanger 25 on the body side A spillage prevention hook 32 is provided to lock the ring 22b.

<Accommodation part E>
The accommodation part E is arranged on the right side of the sorting and conveying device 21, and is vertically and horizontally moved by an operation arm 24 provided at the right end of the movable conveying conveyor 21b of the sorting and conveying device 21. It is composed of a mounting table 26 on which the flexible container bag 22 suspended from the hanger 25 is mounted.

The movable conveyer 21b is provided obliquely upward from the left end base toward the right end upper portion. That is, the carrots are rotated obliquely upward by driving force from the engine, and then discharged downward from the right end.

The base of the movable conveyer 21b is rotatably provided on a pivot shaft, and on the lower surface of the left side is a reinforcing member 21d having a U-shaped cross section whose lower end is pivotally supported by the body frame 1. is fixed with a bolt, and the tip of the piston of a vertical movement electric cylinder 21c whose base is pivotally supported on the body frame 1 is connected to the reinforcing member 21d.

In other words, the movable conveying conveyor 21b rotates about the pivot shaft by extending the vertical movement electric cylinder 21c while the operator seated on the auxiliary work seat 23 is stepping on the lift switch. While the descent switch is being stepped on, the electric cylinder 21c for vertical motion is contracted, rotated around the pivot shaft, and lowered. In addition, the movable conveyer 21b is configured such that when the worker descends into the field and operates a cross direction control lever 27 provided on the right end of the control panel 9 to the right while facing the rear of the machine, the vertical movement electric cylinder 21c extends. It rotates around the pivot shaft to move up, and when it is operated to the left, the electric cylinder 21c for vertical motion contracts and rotates around the pivot shaft to move down.

The hanging hanger 25 is moved vertically and horizontally by an operating arm 24 provided at the right end of the movable conveyor 21b.

The actuating arm 24 has its base pivotally supported on the right end of the movable conveyer 21b so that it rotates counterclockwise when viewed from the rear, but stops rotating clockwise at a predetermined position, and its distal end extends above the right outer side of the fuselage. a base arm 24a extending toward the base arm 24a, a rotating arm 24b rotatably supported at the tip of the base arm 24a, and a rotating actuator disposed between the base arm 24a and the rotating arm 24b. It is composed of the rotating electric cylinder 24c as a.

The hanging hanger 25 is rotatable around the pivot pin 24d by inserting the pivot pin 24d provided at the tip of the pivot arm 24b into a long hole 25c provided in a triangular shape when viewed from the side at the central position in the front-rear direction. is set in

Then, above the mounting table 26, the hooks 25a as four locking tools of the suspension hanger 25 are each hooked to the suspension ring 22c as a suspension part of the upper opening 22a of the flexible container bag 22 to support the flexible container bag 22 in a suspended manner. .

Therefore, the suspension hanger 25 is rotatable around the pivot pin 24d provided at the tip of the pivot arm 24b, and the pivot pin 24d is inserted into the elongated hole 25c having a triangular shape when viewed from the side. Therefore, it is movable in the longitudinal direction by the length of the long hole 25c. Therefore, when the four hooks 25a of the hanging hanger 25 are hooked to the hanging ring 22c of the upper opening 22a of the flexible container bag 22, the hanging hanger 25 can be rotated and moved back and forth. The operation of hooking each to the suspension ring 22c of the upper opening 22a can be easily performed.

Also, the left and right hanging hangers 25, 25 are provided with two L-shaped hooks 25d, 25d on the surfaces facing each other.

The flexible container bag 22 is provided with an inner lid made of a similar material whose base is sewn around the entire circumference of the upper opening 22a of the container bag body, which is soft and breathable made of natural fibers, synthetic resins, or a composite material thereof. there is something

In the inner lid, a tie cord is inserted through a cord threading portion formed by folding back the upper end portion. Therefore, by loosening the squeeze string, the upper end of the inner lid is opened, and carrots can be stored in the container bag body through the opening. When the draw string is pulled and tightened, the upper end of the inner lid closes like a drawstring purse, and functions as a lid to prevent the contents such as carrots stored in the container bag body from spilling out.

When using the flexible container bag 22 provided with this inner lid, the flexible container bag 22 with the upper end of the inner lid opened by loosening the squeeze string on the hanging hanger 25 is suspended and supported, and the inner lid is extended upward. The upper end of the inner lid is hooked on the L-shaped hooks 25d, 25d protruding inside the hanging hanger 25 so that the inner lid forms a cylindrical wall rising from the upper opening of the container bag body. The upper end is evenly hooked at four points to form a cylindrical wall.

Therefore, it is possible to appropriately prevent carrots falling into the flexible container bag 1 from the right end of the movable conveyer 21b from spilling out of the flexible container bag 1. In addition, even if the container bag main body 2 is filled with items such as carrots, they will not spill out.

A cross-direction control lever 27 is provided at the right end of the operation panel 9. When the operator descends into the field and operates the machine to the right while facing the rear of the machine, the electric cylinder 21c for vertical movement is extended to move the movable conveyer 21b. When it is operated to the left, the vertical motion electric cylinder 21c is contracted and the movable conveyor 21b is rotated around the pivot shaft to descend, and when it is operated to the rear of the machine body, the rotating electric motor When the cylinder 24c extends and the rotating arm 24b rotates around the pivot shaft and opens to the right outside, and is operated toward the front of the fuselage, the rotating electric cylinder 24c contracts and the rotating arm 24b rotates around the pivot shaft. Rotate and close to the inside of the left fuselage.

When the cross-direction operating lever 27 is operated, unless the movable conveyer 21b is at the highest position, even if the cross-direction operating lever 27 is operated to the rear of the machine body, the rotating electric cylinder 24c will not operate and the rotating arm 24b will be pivotally supported. It does not rotate around the axis and open outward to the right. That is, only when the movable transfer conveyor 21b is at the highest position, the cross-direction operation lever 27 is operated rearward of the machine body to operate the rotating electric cylinder 24c to rotate the rotating arm 24b around the pivot shaft. It can be opened outward to the right.

In addition, a load sensor 28 is provided on the mounting table 26, and only when the flexible container bag 22 suspended on the hanging hanger 25 is lifted and the bottom of the flexible container bag 22 is separated from the mounting table 26 (the load sensor 28 Only when the flexible container bag 22 is no longer detected), the cross direction operation lever 27 is operated to the rear of the machine body to operate the rotating electric cylinder 24c to rotate the rotating arm 24b around the pivot shaft and move to the right outer side. can be opened to

In addition, a photo sensor 29 is provided at the right outer end of the mounting table 26 to detect that there is an object above. , the flexible container bag 22 is not above the right outer end of the mounting table 26 (the flexible container bag 22 is placed If it is not detected that the pedestal 26 has moved to the right outer side of the right outer end, even if the cross-direction operation lever 27 is operated to the left to rotate the movable conveyer 21b around the pivot shaft to lower it. , the vertical movement electric cylinder 21c does not operate, and the movable conveyer 21b does not move downward. Therefore, when unloading the flexible container bag 22 hung on the hanging hanger 25 to the field, it is possible to avoid the flexible container bag 22 from accidentally contacting the right outer end of the mounting table 26.

A hook open/close switch 30 for opening and closing the four hooks 25 a of the hanging hanger 25 is provided at the upper end of the cross-direction operation lever 27 .

When the hook open/close switch 30 is pressed once, it activates the electromagnetic solenoid 31 provided at the rotation fulcrum of each hook 25a to close each hook 25a, and when pressed again, it activates the electromagnetic solenoid 31 to open each hook 25a. When opening each hook 25a, the electromagnetic solenoid 31 does not operate and each hook 25a does not open unless the hook opening/closing switch 30 is pressed for 0.5 seconds or more to prevent erroneous operation.

Then, at the right end of the movable conveyer 21b, the spillage prevention hook that locks the auxiliary hanging ring 22b provided at the front and rear center position of the upper opening 22a of the flexible container bag 22 suspended on the hanging hanger 25 on the machine side. 32 are provided.

The spillage prevention hook 32 has a base portion fixed to the rear bottom surface of the right end portion of the movable conveyer 21b, and a pivot shaft 33 extending downward perpendicular to the bottom surface. It is composed of a locking hook 34 as an auxiliary locking tool provided with a circular tube 34a.

A circular tube 34a at the base of the locking hook 34 is rotatably attached to the pivot shaft 33, and its lower surface is received by a washer 35. A split pin provided on the pivot shaft 33 allows it to come off downward. It is installed in a locked state.

The locking hook 34 has a base portion welded to a circular pipe 34a, and is bent in the middle at a large R-shaped bent portion 34b. It is formed so as to be orthogonal or substantially orthogonal to the discharge port 21e at the right end (that is, parallel or substantially parallel to the discharge port 21e at the right end of the movable conveyor 21b).

The diameter of the linear portion 34c of the locking hook 34 is made smaller than the hole diameter of the auxiliary suspension ring 22b so that insertion into and removal from the auxiliary suspension ring 22b are facilitated.

A torque spring 36 as an urging mechanism is fitted around the circular tube 34a at the base of the locking hook 34. One end 36a of the torque spring 36 is locked to the bottom surface of the movable conveyer 21b, and the other end 36b of the torque spring 36 is locked to the locking hook 34. , the linear portion 34c at the tip of the locking hook 34 is urged (in the direction of the arrow (A)) in a direction perpendicular to (that is, parallel to) the discharge port 21e at the right end of the movable conveyor 21b. are doing.

One end 36a of the torque spring 36 engaged with the bottom surface of the movable conveyer 21b can freely change the engaging position with respect to a plurality of engaging portions provided on the bottom surface of the movable conveyer 21b. The linear portion 34c of the movable conveyer 21b can adjust the biasing force in the direction perpendicular to (parallel to) the discharging port 21e (in the direction of the arrow (A)).

An L-shaped hook holding portion 37 whose base is fixed to the bottom surface of the discharge port 21e at the right end of the movable conveyer 21b is provided on the bottom surface of the discharge port 21e at the right end of the movable conveyer 21b. It supports the linear portion 34c at the tip of the locking hook 34 in the parallel state.

Therefore, the linear portion 34c at the tip of the locking hook 34 is inserted into the auxiliary hanging ring 22b of the flexible container bag 22, and the flexible container bag 22 is inserted in a state perpendicular (parallel) to the discharge port 21e at the right end of the movable conveyer 21b. When the upper opening 22a of the upper opening 22a is supported at the front-rear center position of the machine body side, the straight portion 34c at the tip of the locking hook 34 is supported by the hook holding portion 37, so that a large load is applied to the pivot shaft 33 portion. It is possible to stably support the front and rear central position of the upper opening 22a of the flexible container bag 22 on the body side, and also to prevent the spillage prevention hook 32 from being damaged.

Further, since the tip 37a of the hook holding portion 37 is formed in a large R shape, the straight portion 34c at the tip of the locking hook 34 enters from the tip 37a of the hook holding portion 37 and is easily placed on the hook holding portion 37. FIG. Note that the tip 37a of the hook holding portion 37 may be formed as an inclined surface that guides the straight portion 34c at the tip of the locking hook 34. As shown in FIG.

In short, the four hooks 25a of the hanging hanger 25 provided at the tip of the rotating arm 24b are each hooked to the hanging ring 22c of the upper opening 22a of the flexible container bag 22 whose bottom surface is placed on the mounting table 26, and the flexible container bag 22 is suspended, and the straight portion 34c at the tip of the locking hook 34 of the spillage prevention hook 32 is inserted into the auxiliary hanging ring 22b provided at the center position of the upper opening 22a of the flexible container bag 22 on the front and rear of the machine body side Hook holding portion Since the linear portion 34c at the tip of the locking hook 34 is supported by 37, the center position of the upper opening 22a on the body side of the flexible container bag 22 is supported by the spillage prevention hook 32, and the right end of the movable conveyor 21b The upper opening 22a located below the discharge port 21e is prevented from narrowing due to the upper part of the opening collapsing inward, and the carrot discharged downward from the discharge port 21e is properly prevented from spilling out of the flexible container bag 22. is stored in the flexible container bag 22.

In addition, when the flexible container bag 22 is filled with carrots and lowered to the right outer side of the aircraft, the flexible container bag 22 suspended on the suspension hanger 25 of the operating arm 24 is moved from the mounting table 26 by operating the cross direction control lever 27. When the flexible container bag 22 is lifted and moved to the right outer side of the fuselage, as the flexible container bag 22 moves to the right outer side of the fuselage, the locking hook 34 of the spill prevention hook 32 is pulled to the right outer side of the fuselage by the auxiliary hanging ring 22b of the flexible container bag 22. is rotated around the pivot shaft 33 in the direction of the arrow (b) against the biasing force of the torque spring 36, the linear portion 34c at the tip of the locking hook 34 faces the right outer side of the machine body, and the auxiliary suspension ring 22b is locked. It is automatically removed from the straight portion 34c at the tip of the hook 34, and the flexible container bag 22 can be lowered to the right outer side of the fuselage efficiently and with good workability.

In addition, since the locking hook 34 has a linear portion 34c at its tip which is bent at a large R-shaped bent portion 34b in the middle from the pivot shaft 33, which is a fulcrum of rotation, and is inserted into the auxiliary suspension ring 22b, the locking hook 34 is When it rotates in the direction of the arrow (b), the linear portion 34c faces the right outer side of the machine body, and the linear portion 34c at the tip of the locking hook 34 is easily disengaged from the auxiliary suspension ring 22b.

Further, since the pivot shaft 33 of the locking hook 34 is arranged at a predetermined angle with respect to the linear portion 34c supporting the auxiliary hanging ring 22b of the locking hook 34, the locking hook 34 can move in the direction of the arrow (b). When the auxiliary suspension ring 22b is turned, the straight part 34c is easily removed from the auxiliary suspension ring 22b due to the short stroke until the straight part 34c is completely removed.

Furthermore, the diameter of the linear portion 34c of the locking hook 34 is made smaller than the hole diameter of the auxiliary suspension ring 22b, so that it can be easily removed from the auxiliary suspension ring 22b.

Furthermore, the rotation direction in which the locking hook 34 rotates in the arrow (b) direction and the direction in which the flexible container bag 22 suspended on the suspension hanger 25 of the operation arm 24 moves to the right outer side of the machine body are parallel or substantially parallel. , the straight portion 34c at the tip of the locking hook 34 is easily detached from the auxiliary suspension ring 22b.

In addition, the direction in which the locking hook 34 is inserted into the auxiliary hanging ring 22b and the flexible container bag 22 is suspended and supported with respect to the rotation plane of the arrows (A) - (B) of the locking hook 34 is orthogonal or substantially orthogonal. Therefore, the locking hook 34 will not come off from the auxiliary hanging ring 22b due to the downward load caused by the self weight of the flexible container bag 22.例文帳に追加

In addition, since the linear portion 34c at the tip of the locking hook 34 is made of a round bar, even if the posture of the flexible container bag 22 changes slightly while it is inserted into the auxiliary hanging ring 22b and locked, The auxiliary hanging ring 22b is not twisted, and the upper opening 22a of the flexible container bag 22 can be appropriately locked and held at the front-rear center position of the body side.

A spare flexible container bag hanger 39 as a tall pole-shaped spare storage member hanger for suspending the spare flexible container bag 22 is provided at the rear part of the machine body.

<Carrot harvesting>
First, the cross-direction control lever 27 is operated to move the movable conveyor 21b to the lowest position with the rotating arm 24b closed toward the inside of the left machine body.

The hanging ring 22c of the upper opening 22a of the flexible container bag 22 is hooked on each hook 25a of the hanging hanger 25 to hang the flexible container bag 22, and the hook opening/closing switch 30 of the cross-directional operation lever 27 is pressed to close each hook 25a. The bottom of the bag 22 is held by the mounting table 26, and the linear portion 34c at the tip of the locking hook 34 of the spill prevention hook 32 provided at the right end of the movable conveyor 21b is aligned with the body of the upper opening 22a of the flexible container bag 22. It is inserted into the auxiliary suspension ring 22b provided at the central position of the side front and rear, and is rotated in the direction of the arrow (A) by the biasing force of the torque spring 36, so that it is orthogonal to the discharge port 21e at the right end of the movable conveyer 21b ( The linear portion 34c at the tip of the locking hook 34 is supported by the hook holding portion 37 in the parallel state).

Then, the operator seated on the operator's seat 8 advances the carrot harvester, aligns the front end of the withdrawal conveying route R of the withdrawal conveying device 17 of the harvesting section C with the carrot row in the field, and then operates the lifting operation lever 11. The harvesting section C is lowered, the digging clutch is turned on, and each section is driven to move forward. Then, the stems and leaves of the carrot are scraped up by the dividing rod 20, the vertical lifting device 18 and the horizontal lifting device 19, and the carrot stems and leaves are nipped in the drawing-out conveying route R of the drawing-out conveying device 17, and the left-right vibrating soiler S picks up the stems and leaves of the carrot. The soil on the side and bottom of the carrot is loosened, and the carrot is pinched and pulled out by the pull-out conveying device 17 and conveyed rearward and upward.

The stems and leaves of the carrots conveyed by the pull-out conveying device 17 are cut at the stems and leaves cutting section at the lower end of the stems and leaves (slightly above the head of the carrot), and the carrots fall downward. The falling carrots are received by the residual leaf processing section, and the stems and leaves remaining on the carrots are processed and transported to the transport section D. Then, the carrot is transported from the left end to the right (receiving portion E) by the movable transport conveyor 21b of the transport portion D. As shown in FIG.

Then, an operator seated on the auxiliary work seat 23 on the rear side of the movable conveyer 21b takes out non-productable carrots (small carrots and odd-shaped carrots) from among the carrots sent by the movable conveyer 21b. Only carrots with commercial value are sent to the container E.

The carrots sent to the right end by the movable conveyer 21b are dropped and stored in the flexible container bag 22 suspended from each hook 25a of the hanging hanger 25 at the right end of the movable conveyer 21b.

At this time, the four hooks 25a of the suspension hanger 25 provided at the tip of the rotating arm 24b are each hooked to the suspension ring 22c of the upper opening 22a of the flexible container bag 22 whose bottom surface is placed on the mounting table 26, and the flexible container bag 22 is suspended, and the straight portion 34c at the tip of the locking hook 34 of the spillage prevention hook 32 is inserted into the auxiliary hanging ring 22b provided at the center position of the upper opening 22a of the flexible container bag 22 on the front and rear of the machine body side Hook holding portion Since the linear portion 34c at the tip of the locking hook 34 is supported by 37, the center position of the upper opening 22a on the body side of the flexible container bag 22 is supported by the spillage prevention hook 32, and the right end of the movable conveyor 21b The upper opening 22a located below the discharge port 21e is prevented from narrowing due to the upper part of the opening collapsing inward, and the carrot discharged downward from the discharge port 21e is properly prevented from spilling out of the flexible container bag 22. is stored in the flexible container bag 22.

Then, as the amount of carrots stored in the flexible container bag 22 increases, the operator seated on the auxiliary work seat 23 depresses the lift switch to extend the vertical movement electric cylinder 21c and pivot the movable conveyer 21b. Rotate around the support shaft to raise it sequentially.

Then, when the movable conveyer 21b is rotated around the pivot shaft and lifted until the flexible container bag 22 is filled with carrots, the operator stops driving the body and stops the vehicle.

An operator seated on the auxiliary work seat 23 leaves the auxiliary work seat 23, gets off the field, stands near the right end of the operation panel 9, and operates the cross direction control lever 27 while facing the rear of the machine body.

First, the cross-direction control lever 27 is operated to the right to extend the vertical movement electric cylinder 21c to raise the movable conveyor 21b to the highest position, thereby lifting the flexible container bag 22 above the mounting table 26.

Then, the cross direction control lever 27 is operated to the rear of the machine body to extend the rotating electric cylinder 24c to rotate the rotating arm 24b around the pivot shaft to open to the right outer side, and the flexible container bag 22 is placed. It is moved to the right outer side of the mounting table 26. - 特許庁

At this time, as the flexible container bag 22 moves to the right outer side of the fuselage, the locking hook 34 of the spillage prevention hook 32 is pulled to the right outer side of the fuselage by the auxiliary hanging ring 22b of the flexible container bag 22, and around the pivot shaft 33 In the direction of the arrow (b) against the urging force of the torque spring 36, the straight portion 34c at the tip of the locking hook 34 faces the right outer side of the machine body, and the straight portion 34c at the tip of the locking hook 34 is turned to the auxiliary suspension ring 22b. , and the flexible container bag 22 can be moved to the right outer side of the machine body efficiently and with good workability.

Then, by operating the cross-direction control lever 27 to the left, the electric cylinder 21c for vertical movement is contracted to lower the movable conveyor 21b to the lowest position, thereby lowering the flexible container bag 22 onto the field.

Then, push the hook open/close switch 30 of the cross direction control lever 27 to open each hook 25 a, remove each hook 25 a of the hanging hanger 25 from the locking hole at the upper end edge of the flexible container bag 22, and move the cross direction control lever 27 When the first rotating arm 24b is operated and closed inside the left body, the movable conveying conveyor 21b is returned to the lowest position, and the hanging ring 22c of the upper opening 22a of the flexible container bag 22 is attached to each hook 25a of the hanging hanger 25. to hang the flexible container bag 22, press the hook opening/closing switch 30 of the cross direction control lever 27 to close each hook 25a, put the bottom of the flexible container bag 22 in a state where it is received by the mounting table 26, and the movable conveyor 21b The straight portion 34c at the tip of the locking hook 34 of the spillage prevention hook 32 provided at the right end is inserted into the auxiliary suspension ring 22b provided at the center position of the upper opening 22a of the flexible container bag 22 on the front and back of the body side, and the torque spring 36 to rotate in the direction of the arrow (A) by the biasing force of , and in a state orthogonal (parallel) to the discharge port 21e at the right end of the movable conveyer 21b, the hook holding portion 37 holds the hook 34 in a straight line. It supports the portion 34c.

Then, the worker sits on the auxiliary work seat 23, drives each part to advance the machine body, and restarts the harvesting work.

<Other embodiments>
(1) In the first embodiment, an example was shown in which the spillage prevention hook 32 supports the center position of the upper opening 22a of the flexible container bag 22 on the body side. The position of the upper opening 22a of the flexible container bag 22 on the body side may be supported by the clip-type spill prevention body 40.

That is, the spill prevention body 40 is composed of a support shaft 41 provided on the bottom surface of the right end of the movable conveyer 21b and a clip-type clamping body 42 provided on the support shaft 41 so as to be rotatable.

Four clip-type clamping bodies 42 are arranged in parallel with a gap A between the support shaft 41 and the carrot does not fall, and the clamping parts 43 are clamped by a torque spring and biased in a closing direction. It is composed of an opening grip portion 44 that opens against the biasing force of .

The clamping portion 43 has an open V-shaped tip, which facilitates clamping of the upper opening 22a of the flexible container bag 22. As shown in FIG.

In addition, four clamping parts 43 are arranged in parallel to increase the clamping surface pressure, and a rubber high-friction body is attached to the opposing surface of the sandwiched part, so that the sandwiched flexible container bag 22 The upper opening 22a is made difficult to come off.

In addition, four holding parts 43 are provided in parallel on the support shaft 41, and the upper surface of the holding part 43 is a guide surface to the upper opening 22a of the carrot flexible container bag 22 discharged from the right end of the movable conveyer 21b. Function.

The width of the four holding portions 43 arranged in parallel is the same or substantially the same as the width of the discharge port 21e at the right end of the movable conveyer 21b. It is discharged into the upper opening 22a of the bag 22.

In addition, since the upper part of the sandwiching part 43 is rotatably provided on the support shaft 41, the part (lower end) sandwiching the upper opening 22a of the flexible container bag 22 is always It faces the upper opening 22a of the flexible container bag 22 and exerts an appropriate clamping force.

In addition, the cross direction control lever 27 is operated to the rear of the machine body to extend the rotating electric cylinder 24c, rotate the rotating arm 24b around the pivot shaft, open to the right outer side, and place the flexible container bag 22 on the mounting table 26. When moving to the right outer side of the flexible container bag 22, as the flexible container bag 22 moves to the right outer side of the fuselage, the part (lower end) that sandwiches the upper opening 22a of the flexible container bag 22 of the holding part 43 The upper opening 22a of the flexible container bag 22 is automatically removed from the holding part 43 by the moving force of the flexible container bag 22 to the right outer side, and the flexible container bag 22 is moved efficiently and with good workability to the right outer side of the fuselage. can be moved to

In addition, as the flexible container bag 22 moves toward the right outer side of the fuselage, the part (lower end) that sandwiches the upper opening 22a of the flexible container bag 22 of the sandwiching part 43 changes the attitude toward the upper opening 22a of the flexible container bag 22. It is even better if the gripping portion 44 for opening is operated to be opened by a cam mechanism.

In addition, since the clamping portions 43 are provided side by side with a gap A through which carrots do not fall, dust and the like can be dropped downward through the gap A.

The gripping portion 44 for opening is located behind the right end portion of the movable conveyer 21b, and can be easily operated by an operator seated on the auxiliary work seat 23. As shown in FIG.

In addition, the part that sandwiches the upper opening 22a of the flexible container bag 22 of the sandwiching part 43 is an energized switch, and the part that sandwiches the upper opening 22a of the flexible container bag 22 of the sandwiching part 43 When the upper opening 22a of the flexible container bag 22 is not sandwiched It is configured to output ON and output OFF when the portion of the holding portion 43 sandwiching the upper opening 22a of the flexible container bag 22 sandwiches the upper opening 22a of the flexible container bag 22. Then, only when the control device provided in the body receives an OFF output when the portion sandwiching the upper opening 22a of the flexible container bag 22 of the sandwiching unit 43 sandwiches the upper opening 22a of the flexible container bag 22, the movable conveyer 21b operates to transport and release ginseng.

Therefore, since the movable conveyer 21b operates only when the portion of the sandwiching portion 43 sandwiching the upper opening 22a of the flexible container bag 22 sandwiches the upper opening 22a of the flexible container bag 22, the carrot released from the right end of the movable conveyer 21b Spilling out of the flexible container bag 22 can be prevented.

(2) Even during the harvesting operation, the cross-direction control lever 27 is operated to reciprocate the rotating arm 24b by a restricted small width in the lateral direction of the machine body. Then, the upper opening 22a of the flexible container bag 22 suspended by the hanging hanger 25 provided at the tip of the rotating arm 24b can be shaken in the left-right direction, and the bias of the carrots stored in the flexible container bag 22 is evened out.

21e outlet 22 housing member (flexible container bag)
22a Upper opening 22b Auxiliary suspension part (auxiliary suspension ring)
22c Suspension part (suspension ring)
25 Suspension hanger 25a Locking tool (hook)
33 pivot shaft 34 auxiliary locking tool (locking hook)
34b bent portion 34c straight portion 36 biasing mechanism (torque spring)
37 Hook holding part A Running part B Manipulating part C Harvesting part D Conveying part E Storage part

Claims (6)

Conveyed by a traveling section (A) and a control section (B) for traveling the machine, a harvesting section (C) for harvesting root vegetables from the field, and a conveying section (D) for conveying the harvested root vegetables and a conveying section (D). In a root vegetable harvester equipped with a storage part (E) for storing root vegetables that have been picked, the locking tool (25a) of the suspension hanger (25) is released downward from the transfer end part of the transfer part (D). The container member (22) for storing the root vegetables from the upper opening (22a) is hooked to the hanging part (22c) of the upper opening (22a) of the container member (22) to support the hanging root vegetables, and the upper opening (22a) of the container member (22). 1. A root vegetable harvester comprising an auxiliary locking member (34) for locking an auxiliary suspending portion (22b) provided on the conveying end portion side of a conveying portion (D). The auxiliary locking device (34) is provided so as to be freely switchable between a state in which it is perpendicular to or substantially perpendicular to the outlet (21e) at the end of the conveying section (D), and a state in which it faces the outside of the fuselage. The root vegetable harvester according to claim 1. The storage member (22) is a flexible container bag (22) suspended on a suspension hanger (25), and the auxiliary locking tool (34) is a pivot provided on the bottom side of the transport terminal part of the transport section (D). 3. A root vegetable harvester according to claim 1 or 2, characterized in that said locking hook (34) rotates around said support shaft (33). The locking hook (34) has a straight portion (34c) at the tip by bending the middle portion at the bent portion (34b), and the straight portion (34c) is inserted into the auxiliary suspending portion (22b) to form the auxiliary suspending portion ( 4. Root crop harvester according to claim 3, characterized in that 22b) is locked. A biasing mechanism (36) is provided for biasing the locking hook (34) in a state orthogonal or substantially orthogonal to the discharge port (21e) at the end of the conveying section (D). The root vegetable harvester according to claim 3 or 4. A hook holding part (37) is provided for supporting the locking hook (34) in a state orthogonal or substantially orthogonal to the discharge port (21e) at the transport end of the transport part (D). 6. The root vegetable harvester according to any one of 3 to 5.

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