Root vegetable harvester

Abstract

To provide a root crop harvester capable of solving problems for example, when a flexible container bag filled with root crops is lowered to a farm field toward a rear side of a machine body, a flexible container bag lowered to the farm field is near a machine body which advances, when harvesting crops in an adjacent row, when the flexible container bag contacts the machine body and the flexible container bag is torn and the root crops are scattered to the farm field therefore proper harvesting work cannot be achieved, and to provide a root crop harvester capable of avoiding contact of the machine body to the flexible container bag and the like lowered to the farm field.SOLUTION: There is provided a root crop harvester comprising: a mounting base 26 having a plurality of bases 52, 55, the mounting base is displaced between a state in which a storage member 22 is mounted so as to store root crops transported from a harvesting part C in a storage part E, and a storage state in which a lower side of the storage member 22 is opened so as to lower the storage member 22 to a farm field; and a movement device 24 for suspending the storage member 22 and lowering the same to the farm field at outside of a machine body lateral direction, and lowering the storage member to the farm field in a state in which the mounting base 26 is displaced to the storage state and the lower side of the storage member 22 is opened.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] 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. [Background technology]

[0002] Conventionally, there is a root vegetable harvester that extracts and conveys root vegetables from a farm field using a pulling and conveying device, and stores the root vegetables in a flexible container bag provided at the conveying end of a sorting and conveying device (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2011-115069 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, because the FIBC bags full of root vegetables are lowered into the field toward the rear of the machine, when the machine is rotated to harvest crops in an adjacent row, the FIBC bags lowered into the field are located just to the side of the moving machine. If the FIBC bags tilt or the machine meanders slightly, there is a risk that the FIBC bags will come into contact with the machine and break, causing the root vegetables to scatter across the field and making it impossible to carry out proper harvesting operations.

[0005] The present invention has been made in consideration of the above, and has an object to provide a root vegetable harvester that prevents the machine body from coming into contact with storage members such as flexi-con bags that have been unloaded into a field. [Means for solving the problem]

[0006] The first aspect of the present invention is The root vegetable harvester is equipped with a traveling section (A) for traveling the machine body, a steering section (B), a harvesting section (C) for harvesting root vegetables from a farm field, and a storage section (E) for storing the harvested root vegetables, and the storage section (E) is provided with a mounting table (26) composed of a plurality of platforms (52, 55) that rotates to take two states: a state in which a storage member (22) is placed in the storage section (E) to store the root vegetables transported from the harvesting section (C), and a storage state in which the lower part of the storage member (22) is opened so that the storage member (22) can be lowered into the farm field below; a moving device (24) is provided for suspending the storage member (22) and lowering it to a field on the outside in the left-right direction of the machine body, and for lowering the storage member (22) to the field in which the bottom of the storage member (22) is opened as the placement table (26) rotates to a stored state; This is a root vegetable harvester characterized in that the mounting table (26) comprises a base table (52) inside the machine body whose inside is pivotally supported on the machine body so as to be freely rotatable, and a front table (55) outside the machine body whose inside is pivotally supported on the outer end of the base table (52) so as to be freely rotatable. The second aspect of the present invention is This is a root vegetable harvester of the first invention, characterized in that the tip of an actuator (57), the base of which is supported inside the machine body, is connected to the bottom surface of the front base (55), the actuator (57) is positioned higher than the pivot parts (51F, 51R) on the inside of the base base (52) and lower than the pivot parts (54F, 54R) on the inside of the front base (55), and the connection part between the tip of the actuator (57) and the bottom surface of the front base (55) is located lower than the pivot parts (54F, 54R) on the inside of the front base (55). The third aspect of the present invention is This is a root vegetable harvester according to the second invention, characterized in that a notch (52a) into which the actuator (57) fits is provided on the inside of the base platform (52). The fourth aspect of the present invention is This is a root vegetable harvester according to the second or third invention, characterized in that the length (L2) of the front side table (55) is longer than the length (L1) of the base side table (52). The first invention related to the present invention is a root vegetable harvester equipped with a traveling section A for driving the body, a steering section B, a harvesting section C for harvesting root vegetables from the field, and a storage section E for storing the harvested root vegetables, in which a mounting platform 26 for a plurality of platforms 52, 55 is provided which is displaced between a state in which a storage member 22 is placed in storage section E to store root vegetables transported from the harvesting section C, and a stored state in which the lower side of the storage member 22 is opened so that the storage member 22 can be lowered into the field below, and a moving device 24 which suspends the storage member 22 and lowers it into the field outside the left and right of the body, and which displaces the mounting platform 26 into the stored state to lower the storage member 22 into the field with the lower side opened.

[0007] According to the present invention, even if the storage member 22 lowered into the field tilts or the machine body meanders slightly, the storage member 22 can be prevented from coming into contact with the machine body, and good and appropriate harvesting work can be performed. Furthermore, when the storage member 22 cannot be lowered to the side of the machine body due to obstacles such as ridges or walls on the sides of the ridges at the edge of the field, the storage member 22 can be suspended by the moving device 24, and the mounting table 26 consisting of multiple platforms 52, 55 can be placed in a stored state with the bottom of the storage member 22 open, and the storage member 22 can be lowered into the field with the bottom open. Furthermore, since the mounting table 26 is placed in a stored state with the multiple platforms 52, 55, it can be stored compactly. The first invention related to the present invention According to this, a mounting table 26 is provided which is made up of a plurality of platforms 52, 55 which can be displaced between a state in which the storage member 22 is placed in the storage section E to store root vegetables transported from the harvesting section C and a stored state in which the lower part of the storage member 22 is opened so that the storage member 22 can be lowered into the field below, and a moving device 24 is provided which hoists the storage member 22 and lowers it into the field outside the left-right direction of the body of the machine, and where the mounting table 26 is displaced into the stored state and the storage member 22 is lowered into the field with the lower part opened. Therefore, the storage member 22 placed on the mounting table 26 can be lifted by the moving device 24 and lowered into the field at a position outside the left-right direction of the body of the machine, and even if the storage member 22 lowered into the field tilts or the machine meanders slightly, the storage member 22 can be prevented from coming into contact with the body of the machine, and good and appropriate harvesting work can be performed.

[0008] Furthermore, when the storage member 22 cannot be lowered to the side of the machine body on the ridges at the edge of the field due to obstacles such as ridges or walls on the side, the storage member 22 can be suspended by the moving device 24, and the mounting platform 26 consisting of multiple platforms 52, 55 can be brought into a stored state in which the bottom of the storage member 22 is open, and the storage member 22 can be lowered into the field with the bottom open.

[0009] Furthermore, since the mounting table 26 stores the plurality of tables 52, 55, it can be stored compactly.

[0010] Second Invention Related to the Present Invention The mounting table 26 is made up of a base table 52 inside the machine body, the inside of which is pivotally supported on the machine body so as to be rotatable, and a front table 55 outside the machine body, the inside of which is pivotally supported on the outer end of the base table 52 so as to be rotatable. The first invention related to the present invention It is a root vegetable harvester.

[0011] The third invention related to the present invention The tip of the actuator 57, the base of which is supported inside the machine, is connected to the bottom surface of the front side base 55, and the actuator 57 is disposed at a position higher than the pivots 51F, 51R on the inside of the base side base 52 and lower than the pivots 54F, 54R on the inside of the front side base 55, and the connecting portion between the tip of the actuator 57 and the bottom surface of the front side base 55 is disposed at a position lower than the pivots 54F, 54R on the inside of the front side base 55. Second Invention Related to the Present Invention It is a root vegetable harvester.

[0012] The fourth invention related to the present invention The base base 52 has a notch 52a on the inside into which the actuator 57 fits. The third invention related to the present invention It is a root vegetable harvester.

[0013] Fifth Invention Related to the Present Invention The length L2 of the front side base 55 is longer than the length L1 of the base side base 52. Any of the second to fourth inventions related to the present invention It is a root vegetable harvester. [Brief description of the drawings]

[0014] [Figure 1] FIG. 1 is a plan view of a carrot harvester according to one embodiment of the present invention. [Diagram 2] FIG. 2 is a rear view for explaining the operation of the carrot harvester. [Diagram 3] FIG. [Figure 4] FIG. 2 is an enlarged perspective view for explaining the operation of a main part of the carrot harvester. [Diagram 5] FIG. [Figure 6] FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0015] A carrot harvester, which is a type of root vegetable harvester, will be described as an embodiment of the present invention. In the following, the forward direction of the machine body will be used as a reference to refer to front, rear, left and right.

[0016] <Overall composition> The carrot harvester is composed of a traveling section A that drives the machine, a control section B on which the operator sits, a harvesting section C that pulls out carrots from the field on one side of the machine body and transports them to the upper rear of the machine body, a sorting and transporting section D that takes over carrots from the harvesting section C and transports them to the rear of the machine body in a stem and leaf cutting section where the stems and leaves are cut, a remaining leaf processing section D that receives carrots that fall from the stem and leaf cutting section and processes the stems and leaves remaining on the carrots, a sorting and transporting section D that takes over carrots from the remaining leaf processing section and transports them from one side of the machine body to the other side of the machine body where an assistant operator sorts the carrots during transport, and a storage section E that holds storage materials for the carrots discharged from the sorting and transporting section D.

[0017] <Running section A> Left and right crawlers 6L, 6R are formed by winding left and right belts 5, 5 around left and right driving sprockets 2, 2 on the front side of the machine body and left and right driven wheels 3, 3 on the rear side of the machine body below the machine body frame 1, and multiple wheels 4 attached between the left and right driving sprockets 2, 2 and the left and right driven wheels 3, 3. The left and right driving sprockets 2, 2 of the left and right crawlers 6L, 6R are attached to left and right drive shafts extending to both the left and right sides from a transmission case to which the engine power is transmitted, and the left and right crawlers 6L, 6R are attached to the machine body frame 1 with a certain left-right interval between them.

[0018] <Control Unit B> A control frame 7 is attached to the upper right side of the machine frame 1, and a control seat 8 is attached to the control frame 7, and a control panel 9 is attached to the front of the machine. A speed change lever 10 for switching between forward and reverse movement and the traveling speed of the machine, and a lift control lever 11 for turning the machine left and right and controlling the working height of the harvesting section C are attached to the control panel 9, as well as a cross-directional control lever 27 described later.

[0019] A radiator cover 12 that protects a radiator (not shown) that cools the engine and takes in cooling air is detachably attached to the other side (right side) of the control unit frame 7, thereby forming a control unit B.

[0020] With the above configuration, by providing a control member such as the gear shift control lever 10 and the lift control lever 11 that can perform multiple operations with one lever, control of the aircraft becomes easier, thereby reducing the workload of the pilot.

[0021] <Harvesting Section C> Left and right driven pulleys are rotatably attached to the front sides of the left and right pulling frames 13, 13, and left and right driving pulleys are attached to the rear sides of the machine, and left and right clamping conveyor belts for pulling out carrots and conveying them to the rear of the machine are wound between the left and right driven pulleys and the left and right driving pulleys, and the left and right clamping conveyor belts are tensioned by a plurality of tension rollers so that the inner sides of the left and right clamping conveyor belts are pressed against each other to form a carrot pulling and conveying path R. A rotating frame that can rotate vertically around left and right horizontal shafts as a rotation fulcrum is attached above the machine frame 1, and a transmission case that transmits driving force to the left and right driving pulleys is attached to the rear end of the rotating frame so that it can rotate vertically around the rotation fulcrum. The machine frame 1 and the rotating frame are connected by a lifting cylinder, and the lifting cylinder is attached so as to be operable by the operating unit B to form a pulling and conveying device 17.

[0022] Also provided in front of the pulling-out and conveying device 17 are a vertical raising device 18 for raising the stems and leaves of carrots, a horizontal raising device 19 for scooping up the stems and leaves raised by the vertical raising device 18, a grass separating rod 20 provided in front of the horizontal raising device 19, a rotatable gauge wheel for preventing the pulling-out and conveying device 17 from descending too far, and a left-right vibrating soiler S for loosening the soil on the left and right sides of the carrots buried in the soil by reciprocating vibrations provided by the driving force of the engine.

[0023] A tail cutting device for cutting the roots of carrots being transported by the pulling and conveying device 17 is attached below the pulling and conveying passage R, thereby forming a harvesting section C.

[0024] With the above-mentioned configuration, by providing the horizontal pulling-up device 19 equipped with the grass-dividing rod 20 on the front side of the machine body and the vertical pulling-up device 18, harvesting work can be performed while raking up the stems and leaves of carrots that have fallen in the field, and since visibility of the carrots to be harvested is improved, it is easier to adjust the pulling position and the amount of crop left behind is reduced, improving work efficiency.

[0025] In addition, since the carrots can be prevented from being damaged by contact with the left-right vibrating soy washer S or the like, the commercial value of the carrots is improved.

[0026] The body frame 1 and a rotating frame that can rotate freely up and down around the left and right horizontal axes are connected by a lifting cylinder, and the lifting cylinder is extended and retracted by operating the lifting operation lever 11 of the control unit B. This makes it possible to adjust the vertical height of the entire harvesting unit C by operating the lifting operation lever 11, so that the position of the pulling-out transport starting end of the harvesting unit C can be adjusted up and down and the position of the pulling-out transport starting end can be adjusted to match the appropriate pulling-out height of the carrots growing in the field, preventing any carrots from being left behind and improving work efficiency.

[0027] Furthermore, 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 can be performed smoothly and work efficiency is improved.

[0028] <Sorting and conveying section D> The sorting and conveying device 21 for sorting work in the sorting and conveying section D is arranged in the left-right direction of the machine body from the rear lower part of the pulling and conveying device 17 in the harvesting section C toward the storage section E where the flexi-con bags 22, which are storage members for storing carrots, are located, and is composed of a chain conveyor with bars at regular intervals that rotates by the driving force from the engine. The carrots conveyed by the pulling and conveying device 17 with their stems and leaves clamped are cut at the stem and leaf cutting section at their lower ends (slightly above the heads of the carrots) and the carrots fall downward, but the remaining leaf processing section receives the fallen carrots and processes the stems and leaves remaining on the carrots before conveying them to the sorting and conveying section D. The sorting and conveying device 21 in the sorting and conveying section D conveys the carrots from their left ends to the right (storage section E).

[0029] In addition, the sorting and conveying device 21 is composed of a horizontal conveying conveyor 21a that is installed horizontally from the rear below of the extraction and conveying device 17 in the harvesting section C to the right side of the body, and a movable conveying conveyor 21b that takes over the harvested crops from the right end of the horizontal conveying conveyor 21a and conveys them diagonally upward and to the upper right to the storage section E.

[0030] The movable transport conveyor 21b has its left end, which takes over the harvested crops from the right end of the horizontal transport conveyor 21a, supported so as to be freely rotatable on a pivot shaft, and the right end side on the storage section E side can be moved up and down by the extension and contraction operation of the vertical movement electric cylinder 21c, so that the inclination angle can be changed.

[0031] An auxiliary work seat 23 is provided on the rear side of the movable transport conveyor 21b, and a worker seated on the auxiliary work seat 23 removes non-marketable carrots (small carrots or carrots with irregular shapes) from the carrots transported by the movable transport conveyor 21b, and transports only carrots with proper market value to the storage section E.

[0032] Also, an operator seated on the auxiliary work seat 23 operates the foot-operated up switch and down switch to expand and contract the vertical movement electric cylinder 21c, thereby moving the right end side of the movable transfer conveyor 21b up and down.

[0033] <Containment Section E> The storage section E is located to the right of the sorting and conveying device 21, and is composed of a hanging hanger 25 that moves up and down and left and right by an operating arm 24 as a moving device provided at the right end of the movable conveying conveyor 21b of the sorting and conveying device 21, and a loading platform 26 on which the flexi-con bag 22 hung from the hanging hanger 25 is placed.

[0034] The movable transfer conveyor 21b is provided diagonally upward from the base at the left end to the upper right end. That is, it rotates by the driving force from the engine to transfer the carrots diagonally upward and releases them downward from the upper end. The base of the movable transfer conveyor 21b is provided so as to be freely rotatable on a pivot shaft, and the piston tip of the vertical movement electric cylinder 21c, whose base is pivotally supported on the machine frame 1, is connected to the middle part of the movable transfer conveyor 21b.

[0035] That is, while the operator seated on the auxiliary work seat 23 depresses the up switch, the vertical movement electric cylinder 21c extends and rotates around the pivot shaft to rise, and while the operator depresses the down switch, the vertical movement electric cylinder 21c contracts and rotates around the pivot shaft to fall. When the operator descends to the field and operates the cross-directional operation lever 27 provided at the right end of the operation panel 9 to the right while facing the rear of the machine, the vertical movement electric cylinder 21c extends and rotates around the pivot shaft to rise, and when the operator operates the cross-directional operation lever 27 to the left, the vertical movement electric cylinder 21c contracts and rotates around the pivot shaft to fall.

[0036] The hanging hanger 25 moves up and down and left and right by an operating arm 24 provided at the right end of the movable transfer conveyor 21b.

[0037] The operating arm 24 is composed of a base arm 24a whose base is pivoted to the right end of the movable transport conveyor 21b so that it can rotate counterclockwise when viewed from behind but stops rotating clockwise at a predetermined position and whose tip side extends toward the upper right outside of the body, a rotating arm 24b pivoted to the tip of the base arm 24a so as to be freely rotatable, and a rotating electric cylinder 24c disposed between the base arm 24a and the rotating arm 24b as a rotating actuator.

[0038] The hanging hanger 25 is provided at the tip of the rotating arm 24b. Above the placement table 26, four hooks 25a of the hanging hanger 25 are hooked onto locking holes in the upper edge of the flexible container bag 22, thereby supporting the flexible container bag 22 in a suspending manner.

[0039] A cross-directional control lever 27 and a mode switching dial 40 are provided on the right end of the operation panel 9.

[0040] When the mode switching dial 40 is set to the "1" position, the manual mode is selected, and when it is set to the "2" position, the automatic mode is selected.

[0041] When the manual mode or automatic mode is selected, the control device provided below the operation panel 9 operates the vertical movement electric cylinder 21c and the electric cylinder 57 using the cross-directional operation lever 27 and the platform operation switch 58 as described below, depending on the mode.

[0042] The automatic mode in position "2" will be explained later in the carrot harvesting operation section, and here, the manual mode in position "1" will be explained.

[0043] When the mode change dial 40 is set to the "1" position in manual mode, when an operator descends into the field and faces the rear of the machine body, operating the cross-directional control lever 27 to the right will cause the up-down movement electric cylinder 21c to extend and the movable transport conveyor 21b to rotate about the pivot axis and rise, and when operated to the left, the up-down movement electric cylinder 21c will retract and the movable transport conveyor 21b will rotate about the pivot axis and descend, when operated toward the rear of the machine body, the pivoting electric cylinder 24c will extend and the pivoting arm 24b will rotate about the pivot axis and open to the outward right, and when operated toward the front of the machine body, the pivoting electric cylinder 24c will retract and the pivoting arm 24b will rotate about the pivot axis and close to the inside of the machine body on the left.

[0044] If the movable transport conveyor 21b is not in the uppermost position when the cross-directional operation lever 27 is operated, the electric rotating cylinder 24c will not operate even if the cross-directional operation lever 27 is operated toward the rear of the machine body, and the rotating arm 24b will not rotate about the pivot shaft to open to the right outside. In other words, only when the movable transport conveyor 21b is in the uppermost position, the cross-directional operation lever 27 can be operated toward the rear of the machine body to operate the electric rotating cylinder 24c and rotate the rotating arm 24b about the pivot shaft to open to the right outside.

[0045] In addition, a load sensor 28 is provided on the mounting table 26, and only when the flexi-con bag 22 hung from the hanging hanger 25 is lifted and the bottom of the flexi-con bag 22 separates from the mounting table 26 (only when the load sensor 28 no longer detects the flexi-con bag 22), the cross-directional operating lever 27 is operated toward the rear of the body to activate the rotating electric cylinder 24c, causing the rotating arm 24b to rotate around the pivot axis and open to the right and outward.

[0046] In addition, a photosensor 29 is provided at the right outer end of the platform 26 for detecting the presence of an object above, and when the FIBC bag 22 hung from the hanging hanger 25 is lifted and the rotating arm 24b rotates about the pivot shaft by the operation of the rotating electric cylinder 24c to open to the right outer side and move to the right outer side of the machine body, if it is not detected that the FIBC bag 22 is not above the right outer end of the platform 26 (the FIBC bag 22 has moved to the right outer side beyond the right outer end of the platform 26), even if the cross-directional operation lever 27 is operated to the left to rotate the movable transport conveyor 21b about the pivot shaft to lower it, the vertical movement electric cylinder 21c will not operate and the movable transport conveyor 21b will not move downward. Therefore, when the FIBC bag 22 hung from the hanging hanger 25 is lowered into the field, it is possible to avoid the FIBC bag 22 accidentally coming into contact with the right outer end of the platform 26.

[0047] Further, at the upper end of the cross-directional operation lever 27, a hook opening / closing switch 30 for opening and closing the four hooks 25a of the suspension hanger 25 is provided.

[0048] When the hook opening / closing switch 30 is pressed once, it activates the electromagnetic solenoid 31 provided at the pivot point of each hook 25a to close each hook 25a, and when pressed again, it activates the electromagnetic solenoid 31 to open each hook 25a. Note that when opening each hook 25a, in order to prevent erroneous operation, if the hook opening / closing switch 30 is not pressed for 0.5 seconds or more, the electromagnetic solenoid 31 will not be activated and each hook 25a will not be opened.

[0049] Furthermore, when a string hook 32 for fastening the string 22a of the flexible container bag 22 is provided at the upper end of the movable transfer conveyor 21b, the string hook 32 is opened and closed in the same manner by the hook opening / closing switch 30.

[0050] A red rotating light 33, which is an example of a warning light serving as a notification means, is provided at the highest position of the operating arm 24, that is, at the upper end of the base arm 24a.

[0051] The red rotating light 33 turns on and rotates when the load sensor 28 provided on the mounting table 26 detects that the FIBC bag 22 hung from the hanging hanger 25 has been lifted and the bottom of the FIBC bag 22 has left the mounting table 26 and when the rotating arm 24b pivoted to the tip of the base arm 24a of the operating arm 24 begins to open outward to the right by the electric rotating cylinder 24c, thereby notifying those in the vicinity that the operating arm 24 has operated to lower the FIBC bag 22 into the field. A potentiometer 34 is provided at the base of the rotating arm 24b pivoted to the tip of the base arm 24a and detects that the rotating arm 24b begins to open outward to the right by the electric rotating cylinder 24c.

[0052] For added safety, a horn can be sounded to warn drivers when the red rotating light 33 starts rotating. The horn sound is an intermittent sound that differs from the sound of a reversing buzzer or a warning sound sounded by the driver.

[0053] Therefore, when the operating arm 24 is operated to lower the flexible container bag 22 into the field, the red rotating light 33 rotates and lights up at the highest position of the operating arm 24, so that it is noticeable even in the evening and can properly notify the surroundings.

[0054] Next, the configuration of the mounting table 26 will be described in detail.

[0055] The mounting base 26 is composed of a base side base 52 inside the machine body, the inner side of which is pivoted freely to front and rear base side pivot shafts 51F, 51R as pivot parts to front and rear support arms 50F, 50R provided on the machine body frame 1, and a front side base 55 on the outside of the machine body, the inner side of which is pivoted freely to front and rear front side pivot shafts 54F, 54R as pivot parts to front and rear pivot receiving arms 53F, 53R provided at the outer end of the base side base 52.

[0056] Piston connecting arms 56, 56 are provided at the center of the bottom surface of the front side stand 55, and are connected to the tip of a piston 57b of an electric cylinder 57 serving as an actuator whose base is pivotally supported 57a on the machine frame 1 inside the machine.

[0057] The position of the pivot 57a of the base of the electric cylinder 57 is higher than the front and rear base pivot shafts 51F, 51R of the base base 52. In addition, the front and rear front pivot shafts 54F, 54R on the inside of the front base 55 are higher than the position where the tip of the piston 57b of the electric cylinder 57 is connected to the piston connecting arms 56, 56 provided in the center of the bottom surface of the front base 55.

[0058] At the center of the inner side of the base side table 52, a notch 52a is formed into which the electric cylinder 57 fits.

[0059] In other words, the electric cylinder 57 is arranged in a position such that its base extends diagonally downward from inside the machine body at a position higher than the front and rear base pivot axes 51F, 51R of the base base 52, through the notch 52a of the base base 52, and reaches below the bottom surface of the front base 55.

[0060] The extension and retraction of the electric cylinder 57 is controlled by a platform operation switch 58 provided on the operation panel 9.

[0061] Therefore, when the piston 57b of the electric cylinder 57 is extended by operating the mounting platform operation switch 58, the base platform 52 and the front platform 55 of the mounting platform 26 become horizontal and on the same plane, and support the flexi-con bag 22 hung from the hanging hanger 25 on their upper surfaces.

[0062] When the piston 57b of the electric cylinder 57 is retracted by operating the loading platform operation switch 58, the electric cylinder 57 is positioned higher than the front and rear base pivot shafts 51F, 51R and lower than the front and rear front pivot shafts 54F, 54R, so that the outer end of the base platform 52 and the inner end of the front platform 55 move upward and rotate so that the front and rear front pivot shafts 54F, 54R move upward, the base platform 52 assumes an upward facing position and the front platform 55 assumes a downward facing position, becoming a folded and stored state, releasing the lower bottom surface of the flexi-con bag 22 suspended from the hanging hanger 25, and by lowering the hanging hanger 25, the flexi-con bag 22 can be lowered into the field as is without moving it left and right or front and rear.

[0063] When the base table 52 and the front table 55 of the mounting table 26 are placed horizontally on the same plane, a gap 59 is provided between the outer end of the base table 52 and the inner end of the front table 55, so that even if harvested waste or garbage falls from above, it easily falls through the gap 59 into the field below.

[0064] Since the upper surface of the outer end of the front side stand 55 is curved in an R shape 60, it is possible to prevent the flexible container bag 22 from getting caught on the placement stand 26 when the flexible container bag 22 is lowered to the right side and outward.

[0065] The base side table 52 assumes an upward facing position and the front side table 55 assumes a downward facing position, resulting in a low height and folded storage state. This, combined with the front side table 55 assuming a downward facing position when changing from the horizontal state to the storage state, makes it possible to avoid a situation in which the loading table 26 gets caught on the flexi-con bag 22, and since the low height storage state is achieved, when the movable transport conveyor 21b is lowered to lower the hanging hanger 25 and lower the flexi-con bag 22 as it is onto the field, the movable transport conveyor 21b can lower the flexi-con bag 22 as it is onto the field without interfering with the loading table 26 in the stored state.

[0066] In addition, since the length L2 of the front side table 55 is longer than the length L1 of the base side table 52, when the mounting table 26 is stored, the height is low and the table is stored compactly, making it easy to run on the road, transport the machine on a truck, and store it in a barn, etc.

[0067] When the base table 52 and the front table 55 of the mounting table 26 are placed in a horizontal position on the same plane, the bottom surface of the base table 52 is supported by a stopper fixed to the body frame 1, so that the horizontal position of the mounting table 26 can be maintained with reduced load on the electric cylinder 57.

[0068] In addition, it is advisable to provide stoppers at the outer end of base base 52 and the inner end of tip base 55 to prevent the outer end of base base 52 and the inner end of tip base 55 from becoming concave when base base 52 and tip base 55 are made horizontal on the same plane.

[0069] Furthermore, if the electric cylinder 57 is made a hydraulic cylinder and a relief valve is provided in the oil passage that contracts the hydraulic cylinder, and the relief valve is configured to operate so as not to expand or contract when the flexi-con bag 22 is placed on the mounting table 26, the mounting table 26 will not be in a stored state when the flexi-con bag 22 is placed on it, thereby making it possible to avoid impeding work due to erroneous operation.

[0070] Furthermore, if the vertical movement electric cylinder 21c is a hydraulic cylinder and, when it is contracted to rotate the movable transfer conveyor 21b about the pivot shaft and lower it to lower the FIBC bag 22 onto the field, an oil line on / off valve is provided in the contracted oil line to repeatedly lower and stop the FIBC bag 22 so as to gradually lower the FIBC bag 22 onto the field, the impact when the FIBC bag 22 is lowered onto the field is reduced and damage to the FIBC bag 22 can be prevented. Furthermore, if the oil line switching valve of the hydraulic cylinder is a proportional control valve and the amount of oil supplied is variable according to the amount of tilting of the cross-directional operation lever 27, the vertical operation speed of the movable transfer conveyor 21b can be freely changed at the operator's discretion, improving workability.

[0071] In addition, when the cross-directional operation lever 27 is used to move the movable transport conveyor 21b up and down, the red rotating light 33 can be turned on and off, or an alarm device such as a buzzer, audio alarm, or lamp can be activated to alert those in the vicinity, ensuring safety.

[0072] In addition, even when the cross-directional operating lever 27 is being operated, if an operator seated on the auxiliary work seat 23 operates the foot-operated up switch, down switch, and stop switch, the electric cylinder 21c for up and down movement is operated and stopped with priority, thereby moving the right end side of the movable transport conveyor 21b up and down and stopping it.

[0073] Moreover, the mode switching dial 40 may be a push switch that switches between the manual mode and the automatic mode each time it is pressed.

[0074] Furthermore, if an indicator lamp or monitor is provided on the operation panel 9 so that it is possible to immediately tell whether the manual mode or the automatic mode has been set with the mode switching dial 40, erroneous operation can be prevented, resulting in safety and improved operability.

[0075] In addition, by providing lamps at the operating parts such as the movable transport conveyor 21b, the rotating arm 24b, and the mounting table 26 so that the lamps are lit when each part is operating, it is possible to immediately identify which part is operating, thereby ensuring safety.

[0076] Furthermore, if an operation box equipped with the platform operation switch 58, the cross-directional operation lever 27 and the mode switching dial 40 is removably mounted on the operation panel 9 and the operation of the platform operation switch 58, the cross-directional operation lever 27 and the mode switching dial 40 is transmitted via communication to a control device provided below the operation panel 9 so that the operation box equipped with the cross-directional operation lever 27 and the mode switching dial 40 can be used as a remote control, the operator can operate it no matter where he is on the machine, which makes it safe and easy to work with.

[0077] <Carrot harvesting work> First, the mode switching dial 40 on the operation panel 9 is set to the “1” position, which is the manual mode, and the piston 57b of the electric cylinder 57 is extended by operating the platform operation switch 58, so that the base platform 52 and front platform 55 of the platform 26 are brought into a horizontal position on the same plane, and are ready to receive the bottom of the flexi-con bag 22 hung from the hanging hanger 25.

[0078] Then, the cross-directional operation lever 27 is operated to move the movable transfer conveyor 21b to its initial lowered position with the rotating arm 24b closed inside the left machine body.

[0079] The flexi-con bag 22 is suspended by hooking the locking holes at the upper edge of the flexi-con bag 22 onto each of the hooks 25a of the hanging hanger 25, and the hook opening / closing switch 30 of the cross-directional operating lever 27 is pressed to close each of the hooks 25a, so that the bottom of the flexi-con bag 22 is supported on the mounting table 26.

[0080] The operator seated in the driver's seat 8 then advances the carrot harvester, aligning the front end of the pulling-out conveying path R of the pulling-out conveying device 17 of the harvesting section C with the carrot rows in the field, then operates the lifting operation lever 11 to lower the harvesting section C, and turns the digging clutch "on" to drive each section to move forward. Then, the grazing rod 20, vertical lifting device 18 and horizontal lifting device 19 rake up the carrot stems and leaves, which are then clamped on the pulling-out conveying path R of the pulling-out conveying device 17, the left and right vibrating soiler S loosens the soil to the sides and below the carrots, and the carrots are clamped and pulled out by the pulling-out conveying device 17 and conveyed upward and rearward.

[0081] Then, carrots that have been transported with their stems and leaves clamped by pulling and transporting device 17 have their lower ends (slightly above the top of the carrot) cut in the stem and leaf cutting section and the carrots fall downward, but the falling carrots are received by the remaining leaf processing section, which processes the stems and leaves remaining on the carrots and then transports them to the sorting and transporting section D. The carrots are then transported from the left end to the right (storage section E) by the movable transport conveyor 21b of sorting and transporting section D.

[0082] Then, a worker seated on an auxiliary work seat 23 on the rear side of the movable transport conveyor 21b removes non-marketable carrots (small carrots or carrots with irregular shapes) from the carrots conveyed by the movable transport conveyor 21b, and only the carrots with market value are sent to the storage section E.

[0083] The carrots sent to the right end by the movable transfer conveyor 21b drop and are stored in the flexible container bags 22 hung from the hooks 25a of the hanging hangers 25 at the right end of the movable transfer conveyor 21b.

[0084] As the amount of carrots stored in the flexi-con bag 22 increases, the worker seated on the auxiliary work seat 23 depresses the lift switch to extend the vertical movement electric cylinder 21c, causing the movable transport conveyor 21b to rotate about its pivot shaft and gradually rise.

[0085] Then, the movable transfer conveyor 21b is rotated about the pivot shaft and raised until the flexible container bag 22 is filled with carrots, and then the operator stops driving the machine and stops the vehicle.

[0086] The operator seated in the auxiliary work seat 23 leaves the auxiliary work seat 23, descends into the field, stands near the right end of the control panel 9, and operates the cross-directional control lever 27 while facing toward the rear of the machine body.

[0087] First, the cross-directional control lever 27 is operated to the right to extend the vertical movement electric cylinder 21c, thereby raising the movable transfer conveyor 21b to its uppermost position, and lifting the flexible container bag 22 above the placement table 26.

[0088] Then, the cross-directional operating lever 27 is operated toward the rear of the machine body to extend the rotating electric cylinder 24c, causing the rotating arm 24b to rotate about the pivot shaft and open to the right outside, and the flexi-con bag 22 is moved to the right outside of the mounting table 26.

[0089] Then, the cross-directional control lever 27 is operated to the left to contract the vertical movement electric cylinder 21c, lowering the movable transfer conveyor 21b to its lowest position, and the flexible container bag 22 is lowered into the field. Then, the hook opening / closing switch 30 of the cross-directional operation lever 27 is pressed to open each hook 25a, and each hook 25a of the hanging hanger 25 is released from the locking hole at the upper edge of the FIBC bag 22, and the cross-directional operation lever 27 is operated to return the movable transfer conveyor 21b to the initial lowered position with the first rotating arm 24b closed inside the left machine body, and the locking holes at the upper edge of the empty FIBC bag 22 are hooked onto each hook 25a of the hanging hanger 25 to hang the FIBC bag 22 so that the bottom of the FIBC bag 22 is supported on the mounting table 26, and then the operator sits on the auxiliary work seat 23. Then, each section is driven to move the machine forward and the harvesting work is resumed.

[0090] Therefore, the hanging hanger 25 moves up and down and left and right by the operating arm 24 provided at the right end of the movable transport conveyor 21b, so that the flexi-con bag 22 placed on the mounting table 26 while hung from the hanging hanger 25 can be lifted above the mounting table 26 by the operating arm 24 and lowered into the field at a position on the right outer side of the mounting table 26.Even if the flexi-con bag 22 lowered into the field tilts or the body of the machine meanders slightly, it is possible to prevent the flexi-con bag 22 from coming into contact with the body of the machine, and good and appropriate harvesting work can be carried out.

[0091] If there is an obstacle such as a ridge or wall on the side of the ridge at the edge of the field and the flexi-con bag 22 cannot be lowered to the side of the machine body, the cross-directional operating lever 27 is operated to the right to extend the vertical movement electric cylinder 21c and raise the movable transport conveyor 21b to its uppermost position, thereby lifting the flexi-con bag 22 above the loading platform 26.

[0092] Then, by operating the mounting table operation switch 58, the piston 57b of the electric cylinder 57 is retracted, the base side table 52 and the front side table 55 of the mounting table 26 are stored, and the lower part of the bottom of the flexi-con bag 22 hung from the hanging hanger 25 is opened.

[0093] Then, the cross-directional control lever 27 is operated to the left to contract the vertical movement electric cylinder 21c, lowering the movable transfer conveyor 21b to its lowest position, and the flexible container bag 22 is lowered into the field.

[0094] Then, the hook opening / closing switch 30 of the cross-directional operation lever 27 is pressed to open each hook 25 a and release each hook 25 a of the hanging hanger 25 from the locking hole at the upper edge of the flexible container bag 22 .

[0095] In summary, when there is an obstacle such as a ridge or wall on the side of the ridge at the edge of the field and the FIBC bag 22 cannot be lowered to the side of the machine body, the piston 57b of the electric cylinder 57 is retracted by operating the platform operation switch 58, the base platform 52 and front platform 55 of the platform 26 are placed in the stored state, and the lower part of the bottom of the FIBC bag 22 hung from the hanging hanger 25 is opened, so that the FIBC bag 22 can be lowered directly into the field without moving left and right or front and back.

[0096] Furthermore, when the mode switching dial 40 is set to the automatic mode at the "2" position, the operation of switching the base side table 52 and the front side table 55 of the mounting table 26 between a horizontal state on the same plane and a stored state can be performed automatically by operating the cross-directional operation lever 27, without operating the mounting table operation switch 58.

[0097] That is, when the mode switching dial 40 is set to the "2" position, which is the automatic mode, the cross-directional operation lever 27 is operated to the right, and the vertical movement electric cylinder 21c is extended, causing the movable transport conveyor 21b to rise to the highest position, and at the same time, the piston 57b of the electric cylinder 57 is contracted, causing the base side table 52 and the front side table 55 of the mounting table 26 to be stored. Then, the cross-directional operation lever 27 is operated to the left, causing the vertical movement electric cylinder 21c to be contracted, causing the movable transport conveyor 21b to fall to the lowest position, and the flexible container bag 22 is lowered to the field. Next, the cross-directional operation lever 27 is operated to the right, causing the vertical movement electric cylinder 21c to be extended, causing the movable transport conveyor 21b to rise to the initial lowered position, and at the same time, the piston 57b of the electric cylinder 57 is extended, causing the base side table 52 and the front side table 55 of the mounting table 26 to be in a horizontal state on the same plane.

[0098] Therefore, the cross-directional operation lever 27 is operated to the right to extend the vertical movement electric cylinder 21c, raising the movable transfer conveyor 21b to its uppermost position and lifting the FIBC bag 22 above the mounting table 26, and at the same time, the piston 57b of the electric cylinder 57 is contracted to put the base side table 52 and the front side table 55 of the mounting table 26 into the stored state, thereby opening up the underside of the bottom of the FIBC bag 22 suspended from the hanging hanger 25. Then, the cross-directional operation lever 27 is operated to the left to contract the vertical movement electric cylinder 21c, lowering the movable transfer conveyor 21b to its lowermost position and lowering the FIBC bag 22 into the field. Then, the cross-directional operation lever 27 is operated to the right to extend the vertical movement electric cylinder 21c and raise the movable transfer conveyor 21b to the initial lowered position, and at the same time, the piston 57b of the electric cylinder 57 is extended to bring the base side table 52 and the front side table 55 of the mounting table 26 into a horizontal state on the same plane. The locking holes at the upper end edge of an empty FIBC bag 22 are hooked onto each of the hooks 25a of the hanging hanger 25 to hang the FIBC bag 22 so that the bottom of the FIBC bag 22 is received on the mounting table 26, and then the operator sits on the auxiliary work seat 23. Then, each section is driven to move the machine forward and the harvesting work is resumed.

[0099] On the other hand, when the operating arm 24 is operated to lower the flexible container bag 22 into the field, the red rotating light 33 rotates and lights up at the highest position of the operating arm 24, so that it is noticeable even in the evening and can properly notify the surroundings, ensuring safety. [Explanation of symbols]

[0100] 22 Storage material (flexible container bag) 24 Moving device (operating arm) 26 Placement table 51F pivot (anterior base pivot) 51R Pivot (posterior base pivot) 52 units (base unit) 52a Notch 54F Pivot (front side pivot) 54R Pivot (posterior side pivot) 55 units (front unit) 57 Actuator (electric cylinder) A Running Part B. Control Unit C. Harvesting Section E Storage section L1 Length of base stand 52 L2 Length of front side table 55

Claims

1. The root vegetable harvester is equipped with a traveling section (A) for traveling the machine body, a steering section (B), a harvesting section (C) for harvesting root vegetables from a farm field, and a storage section (E) for storing the harvested root vegetables, and the storage section (E) is provided with a loading platform (26) composed of a plurality of platforms (52, 55) that rotates to take two states: a state in which a storage member (22) is loaded so as to store the root vegetables transported from the harvesting section (C) in the storage section (E), and a storage state in which the lower part of the storage member (22) is opened so that the storage member (22) can be lowered into the farm field below; a moving device (24) is provided which suspends the storage member (22) and lowers it onto a field on the left-right outer side of the machine body, and which rotates a mounting platform (26) to a stored state, thereby lowering the storage member (22) onto the field in which the lower part of the storage member (22) is opened; This root vegetable harvester is characterized in that the mounting table (26) comprises a base table (52) inside the machine body whose inside is pivotally supported on the machine body so as to be rotatable, and a front table (55) outside the machine body whose inside is pivotally supported on the outer end of the base table (52) so as to be rotatable.

2. 2. A root vegetable harvester as described in claim 1, characterized in that the tip of an actuator (57) whose base is supported inside the machine body is connected to the bottom surface of the front base (55), the actuator (57) is positioned at a position higher than the pivot parts (51F, 51R) on the inside of the base base (52) and lower than the pivot parts (54F, 54R) on the inside of the front base (55), and the connection part between the tip of the actuator (57) and the bottom surface of the front base (55) is located at a position lower than the pivot parts (54F, 54R) on the inside of the front base (55).

3. 3. A root vegetable harvester according to claim 2, wherein a notch (52a) into which the actuator (57) fits is provided on the inside of the base side table (52).

4. 4. A root vegetable harvester according to claim 2 or 3, characterized in that the length (L2) of the front side table (55) is longer than the length (L1) of the base side table (52).

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