JP2007202460A5 - - Google Patents

Description

Root crop harvesting machine

  The present invention relates to a self-propelled root vegetable harvesting machine that mechanically harvests root vegetables, particularly carrots.

In the root vegetable harvester, root vegetables are dug up on the left and right sides of the traveling machine, the leaves are cut while being transported backwards, the roots after the leaf parts are cut are placed on the lower conveyor and transported backwards, A configuration in which root vegetables are conveyed in the left-right direction by a feed roller and stored in a storage container via a sorting conveyor is known (Patent Document 1).
Japanese Patent Laid-Open No. 9-37628 JP 2002-223618 A

  In the prior art, the container mounting table that receives the root vegetables from the sorting conveyor is provided in a fixed state horizontally at a predetermined height from the ground of the traveling machine body. Therefore, the worker has to lift and unload the container in which the root vegetables are stored from the container mounting table, which is a heavy labor.

  Therefore, the present invention is configured so that the container mounting table can be tilted and adjusted in the direction in which the container is to be lowered, so that a heavy container or the like containing root vegetables can be easily lowered.

According to the first aspect of the present invention, a pair of left and right traveling devices (2, 2) are provided in the lower part of the traveling machine body (1), and the root and leaves of the root vegetable are sandwiched between the left and right sides of the traveling machine body (1) and are pulled out backward. withdrawal conveying device for conveying the (11, 11) is provided, on the left and right the other side of the traveling machine body takes over the root portion of the cut root vegetable foliage portion (1) in the transport intermediate portion of the pultrusion feeder (11, 11) In a root vegetable harvesting machine provided with a root vegetable transporting device (16) for transporting, and provided with a container loading platform (19) for storing roots of root vegetables below the end side of the root vegetable transporting device (16) , the horizontal vegetable loading platform together constituting tiltably on the rear side (19) with respect to the running direction of the vehicle body (1), characterized in that the lateral outer end of the loading platform (19) is adjustably constructed inclined state positioned above Root crop harvesting machine.

According to the above configuration, when the traveling machine body (1) is moved forward by the traveling device (2, 2), the pulling and conveying device (11, 11) provided on the left and right sides of the traveling machine body (1) is used to The foliage is pinched and pulled out and conveyed backward. The roots of the root vegetables whose stems and leaves are cut during the conveyance of the drawing and conveying device (11, 11) are taken over by the root vegetable conveying device (16) and conveyed to the left and right other sides of the traveling machine body (1), and the loading platform below the terminal side. It is stored in the root vegetable storage container (29) placed on (19). Further, by tilting the loading platform (19) in the horizontal state to the rear side with respect to the traveling direction of the traveling machine body (1), the root vegetable storage container (19) in which the root part of the root vegetables is stored is inclined on the inclined surface of the loading platform (19 ). Can be lowered to the rear of the fuselage .
And it can prevent that the edge part of a loading platform (19) contacts the foliage part of a crop by having comprised so that the right-and-left outer side edge part of a loading platform (19) can be adjusted to the inclination state located upwards.

The invention according to claim 2 is provided with a pair of left and right traveling devices (2, 2) at the lower part of the traveling machine body (1), sandwiching the roots and leaves of the root vegetables on the left and right sides of the traveling machine body (1) withdrawal conveying device for conveying the (11, 11) is provided, on the left and right the other side of the traveling machine body takes over the root portion of the cut root vegetable foliage portion (1) in the transport intermediate portion of the pultrusion feeder (11, 11) In a root vegetable harvesting machine provided with a root vegetable transporting device (16) for transporting, and provided with a container loading platform (19) for storing roots of root vegetables below the end side of the root vegetable transporting device (16) , the horizontal vegetable loading platform Root vegetables characterized in that (19) can be tilted forward with respect to the traveling direction of the traveling machine body 1 and can be adjusted to an inclined state in which the left and right outer ends of the loading platform (19) are positioned upward. A harvesting machine.

According to the above configuration, when the traveling machine body (1) is moved forward by the traveling device (2, 2), the pulling and conveying device (11, 11) provided on the left and right sides of the traveling machine body (1) is used to The foliage is pinched and pulled out and conveyed backward. The roots of the root vegetables whose stems and leaves are cut during the conveyance of the drawing and conveying device (11, 11) are taken over by the root vegetable conveying device (16) and conveyed to the left and right other sides of the traveling machine body (1), and the loading platform below the terminal side. It is stored in the root vegetable storage container (29) placed on (19). Further, by tilting the loading platform (19) in the horizontal state to the front side with respect to the traveling direction of the traveling machine body (1), the root vegetable storage container (19) in which the root parts of the root vegetables are stored is placed on the inclined surface of the loading platform (19 ). It can be lowered to the front of the fuselage while shifting downward .
And it can prevent that the edge part of a loading platform (19) contacts the foliage part of a crop by having comprised so that the right-and-left outer side edge part of a loading platform (19) can be adjusted to the inclination state located upwards.

The invention according to claim 3 is provided with a pair of left and right traveling devices (2, 2) at the lower part of the traveling machine body (1), sandwiching the roots and leaves of the root vegetables on the left and right sides of the traveling machine body (1) A pulling and conveying device (11, 11) for conveying is provided, and the root part of the root vegetable cut off at the middle part of the conveying of the pulling and conveying device (11, 11) is taken over to the left and right other sides of the traveling machine body (1). In a root vegetable harvesting machine provided with a root vegetable transporting device (16) for transporting and having a loading platform (19) for placing a root vegetable storage container below the terminal side of the root vegetable transporting device (16), A root crop harvesting machine is characterized in that it can be tilted in the left-right direction with respect to the front-rear traveling direction of the traveling machine body (1) .

According to the above configuration, when the traveling machine body (1) is moved forward by the traveling device (2, 2), the pulling and conveying device (11, 11) provided on the left and right sides of the traveling machine body (1) is used to The foliage is pinched and pulled out and conveyed backward. The roots of the root vegetables whose stems and leaves are cut during the conveyance of the drawing and conveying device (11, 11) are taken over by the root vegetable conveying device (16) and conveyed to the left and right other sides of the traveling machine body (1), and the loading platform below the terminal side. It is stored in the root vegetable storage container (29) placed on (19). Further, by tilting the horizontal loading platform (19) in the left-right direction with respect to the traveling direction of the traveling machine body (1), the root vegetable storage container (19) in which the root portion of the root vegetable is stored is inclined on the inclined surface of the loading platform (19). It can be lowered while shifting to the left and right side along.

The invention according to claim 1, since it inclined rearward loading platform (19), it is possible to easily drop off the container, such as container bags harvested root vegetables are packed (29) rearwardly, the laborsaving Can be planned.
Moreover, since it can prevent that the edge part of a loading platform (19) contacts the foliage part of a crop by making it the inclination state which the left-right outer side edge part of a loading platform (19) is located upwards, it is efficient. Harvesting can be done.

According to a second aspect of the invention, since the cut with inclined oblique loading platform (19) on the front side, can be lowered easily container such as container bags root of the harvested root vegetables are packed (29) in front, the working Labor saving can be achieved.
Moreover, since it can prevent that the edge part of a loading platform (19) contacts the foliage part of a crop by making it the inclination state which the left-right outer side edge part of a loading platform (19) is located upwards, it is efficient. Harvesting can be done.

Since the invention of claim 3 can adjust the loading platform (19) in the horizontal direction, the container (29) such as a container bag packed with roots of harvested root vegetables can be easily lowered to the left and right sides, Labor saving work can be achieved.

Embodiments of the present invention will be described below with reference to the drawings.
First, an overall configuration of a root vegetable harvesting machine mainly intended for carrot harvesting will be described with reference to FIGS. 1 and 2 are overall side views of the self-propelled root vegetable harvester, and FIG. 3 is an overall plan view thereof.

  Below the traveling machine body 1, left and right crawler traveling devices 2, 2 are arranged, and a driving operation unit 3 is arranged at the right front part of the traveling machine body 1. The driving operation unit 3 includes a front panel 4 provided with an operation panel and operation levers, a left side panel 5, a driver's seat 6, and the like, and an engine (not shown) is disposed in the lower rear portion of the driver's seat 6. is doing.

  Further, on the left side of the traveling machine body 1, there is provided a harvesting work device A that digs carrots, conveys them backwards, and cuts off the foliage. The harvesting device A includes a moving device 13 for moving carrot foliage, a digging device 14 for digging carrots located below the moving device 13, and carrot foliage digged up from the rear side of the moving device 13. Pulling and transporting device 11 for sandwiching the portion and transporting it upward to the rear side, foliage cutting device 15 for cutting the foliage of carrots being transported by the pulling and transporting device 11, and root vegetables for transporting the cut carrot roots to the right It is comprised from the conveying apparatus 16 grade | etc.,.

  A main transmission cylinder body 8 having a transmission shaft (not shown) that rotates upon receiving power transmission from an engine (not shown) is provided on the rear side portion of the traveling machine body 1, and is provided above the main transmission cylinder body 8. Is mounted on a main transmission shaft 8a in the left-right direction. A work frame 21 extending in the front-rear direction is pivotally supported at the upper end of the main transmission cylinder 8 so as to be rotatable around the main transmission shaft 8a, and is configured to be movable up and down by an elevating cylinder (not shown). 10, the moving device 13, the mowing device 14, the drawing and conveying device 11, the foliage cutting device 15 and the like are attached.

Next, a series of harvesting work apparatus A will be described in detail.
The left and right moving device 13 is attached to the left and right moving cases 13a and 13a, the left and right moving chains 13b and 13b that are installed in the left and right moving cases 13a and 13a and turn up and down, and the left and right moving chains 13b and 13b. Left and right moving lugs 13c and 13c that rotate upward in the protruding state and rotate downward in the retracted and stored state, a weed ridge 13d attached to the lower end of the right moving case 13a, and the left moving case 13a. It is comprised by the auxiliary moving device 13e etc. which were provided in the front-end | tip part.

  Further, the moving transmission cylinder 13f extends forward from the rear end of the work frame 10, and the upper ends of the left and right moving cases 13a and 13a are attached to the front end of the moving transmission cylinder 13f. The main transmission shaft 8a, the moving transmission cylinder Power is transmitted to the left and right moving chains 13b and 13b via a transmission device (not shown) in 13e, and the lower ends of the left and right moving cases 13a and 13a by the left and right stays 13g and 13g extending from the front lower end of the work frame 10. Supporting the department.

  The left and right digging devices 14 and 14 are composed of support arms 14a and 14a and earth cutting blades 14b and 14b, and an intermediate portion of the support arms 14a and 14a is pivotally supported by left and right brackets at the front end of the work frame 10. The earth cutting blades 14b and 14b protrude downward. Power is transmitted to the support arms 14a and 14a via the main transmission shaft 8a, a transmission device (not shown) in the work frame 10, a belt transmission device 14c, and swinging devices 14d and 14d. In addition, you may make it provide this mowing apparatus 14 and 14 in the left-right one side.

  Left and right drawing and conveying devices 11 and 11 are provided on the left and right sides of the rear portion of the left and right moving device 13. The left and right drawing / conveying devices 11 and 11 include left and right drawing / conveying frames 11a and 11a, upper and lower pulleys (not shown) pivoted on the left and right drawing / conveying frames 11a and 11a, and drawing and conveying belts 11b and 11b wound around the upper and lower pulleys. is doing.

  A transmission case 11d is attached to the transmission cylinder 11c erected from the work frame 10. The transmission case 11d supports the rear end portions of the left and right pull-out conveying frames 11a, 11a, and the transmission cylinder 11c and the transmission case. Power is transmitted to the left and right pulling conveyor belts 11c and 11c via a transmission device (not shown) in 11d. Further, a bracket connects and supports the front end portions of the left and right pulling conveyance frames 11 a and 11 a and the front side portion of the work frame 10.

  Further, the root vegetable lower cutting device 17 is provided at the upper rear side of the left and right excavating devices 14 and 14 and below the middle portion of the left and right pulling and conveying devices 11 and 11, and the root of the carrot being conveyed by the left and right extracting and conveying devices 11 and 11. The lower end of the carrot root is cut by the cutting blade while the lower end is guided by the guide device.

  A shoulder alignment transfer device 22, a tapping transfer device 23, and a foliage transfer device 24 are related to the transfer terminal end side of the left and right pulling transfer device 11. The shoulder alignment transfer device 22 is disposed below the transfer end portion by a predetermined distance on the rear side portion of the drawing transfer devices 11 and 11, and is provided in a pair on the left and right sides in plan view. The left and right shoulder alignment transfer devices 22 and 22 are configured by winding the left and right shoulder alignment transfer belts around the front pulley and the rear pulley at a predetermined interval, and the holding force between the left and right shoulder alignment transfer belts is set to the left and right pulling transfer devices. 11 and 11 are weaker than the clamping force.

  Accordingly, the left and right shoulder alignment transfer devices 22 and 22 hold the carrot foliage between the left and right pulling transfer devices 11 and 11 and transfer the carrots to the shoulder alignment transfer devices 22 and 22 during the transfer to the upper rear side. By sandwiching the lower part of the foliage and transporting it further upward by the pulling and transporting devices 11, 11, the carrot root upper end (shoulder) is pulled up to the lower end position of the shoulder alignment transporting devices 22, 22, and the carrot shoulder Alignment is performed.

  The left and right tapping transfer devices 23 and 23 are provided above the left and right shoulder alignment transfer devices 22 and 22 in parallel with a predetermined interval in a side view, and the transfer start end side of the left and right shoulder alignment transfer devices 22 and 22 is intermediate in the front-rear direction. The left and right tapping transfer belt is wound around the front pulley and the rear pulley, and the carrot foliage is sandwiched between the left and right tapping transfer belts.

  Thus, at the start of taking over of the carrot foliage, the left and right pulling / conveying devices 11 and 11, the left and right shoulder alignment transfer devices 22 and 22, and the left and right tapping transfer devices 23 and 23 are sandwiched between the three, and from the predetermined position to the left and right The shoulder alignment transfer devices 22 and 22 and the left and right tapping transfer devices 23 and 23 are sandwiched and transferred.

  The left and right foliage transfer devices 24, 24 are configured by winding left and right foliage transfer belts around left and right front pulleys and left and right rear pulleys, and sandwiching the carrot foliage by the left and right foliage transfer belts. In addition, it is provided above the left and right tapping transfer device 23 in a parallel state at a predetermined interval, and the start end side portion thereof is positioned behind the start end side portions of the left and right tapping transfer devices 23 and 23.

  The left and right shoulder alignment transfer devices 22 and 22, the left and right tapping transfer devices 23 and 23, and the left and right foliage transfer devices 24 and 24 are respectively supported by a transmission cylinder and a transmission frame extending from the work frame 10. Has been communicated.

  The foliage cutting device 15 is constituted by a cutting blade that rotates in a horizontal plane at the lower end of a rotating shaft that hangs down from the upper transmission case 25, and is provided close to the end side of the shoulder alignment transfer device 22. Yes.

  The root vegetable transfer device 16 is arranged behind the driver's seat 6 and transfers the carrot roots with the foliage cut from the left transfer start end side of the root vegetable transfer device 16 to the right transfer end side. It is configured with an upward slope. A loading platform 19 is provided below the end side of the root vegetable transfer device 16, and a storage container, a container bag 29, and the like are placed thereon to store the carrot root. A rear seat 7 is provided behind the root vegetable transfer device 16.

  According to the above-described configuration, the carrot stalk and leaf part is cut by the foliage cutting unit 15 while the carrot stalk and leaf part is nipped and transferred by both the tapping transfer device 23 and the foliage part transfer device 24, and the carrot The root part falls to the start end side part of the root vegetable transfer device 16, and the carrot foliage is continuously conveyed by the tapping transfer device 23 and foliage transfer device 24 and discharged from the terminal side to the field.

  When the roots of the carrots after cutting the stems and leaves are dropped to the left starting end side of the root vegetable transfer device 16, the carrot roots are transferred toward the right end side and stored in the container bag 29 placed on the loading platform 19 below the end side.

Next, the loading platform 19 will be specifically described.
The loading platform 19 is configured as a wide rectangle that is long in the front-rear direction in plan view. A loading frame 19a extends to the right from the right side of the traveling machine body 1, and the loading frame 19 is rotatably supported by a left and right shaft 19b on the loading frame 19a. In addition, drop prevention frame bodies 19c,...

  Further, the front and rear support rods 27 and 27 are extended from the right end portion of the frame 16a in the root vegetable transfer device 16, and the front and rear bag holders 28 and 28 are attached to the front ends of the front and rear support rods 27 and 27, respectively. , 28 is provided with a shaft 19b for supporting the loading platform 19 in the center in the front-rear direction.

  Further, as shown in FIG. 1, when viewed from the side, it is raised at the middle part in the front-rear direction of the loading platform 19, and the front and rear parts are configured to have a gentle downward inclined surface to prevent the container bag 29 placed thereon from shifting in the front-rear direction. ing. Further, when the loading platform 19 is formed with a gently sloping surface from the center to the front and rear, the bottom end of the loading platform frame 19a and the height of both ends of the loading platform 19 are aligned in a side view, and the middle of the loading platform 19 in the longitudinal direction You may comprise so that it may be located in the predetermined height upward from the flame | frame 19a. With this configuration, the storage amount of the container bag 29 can be increased while increasing the ground clearance of the loading platform 19.

  According to the said structure, the large container bag 29 is supported by the bag holder 28, the root part of the carrot conveyed by the root vegetable conveying apparatus 16 is accommodated, and the loading apparatus 19 is made around the axis | shaft 19b by releasing the latching apparatus 30. The container bag 29 can be taken out from a desired position by rotating in a front-rear inclined manner.

  Further, since the loading platform 19 is supported by the shaft 19b disposed at the center in the front-rear direction of the front and rear bag holders 28, 28 so that the tilting of the loading platform 19 is freely adjustable, the loading platform 19 can be easily tilted back and forth with minimal force. Can do.

  As shown in FIG. 4, when the front-rear direction intermediate portion on the upper surface of the loading platform 19 is configured as a mountain-shaped portion 19 d that is higher in side view and is inclined downward in the front-rear direction, the bottom portion of the container bag 29 is positioned in front of and behind the mountain-shaped portion 19 d. It is supported in a distributed manner and can prevent displacement in the front-rear direction.

  Further, as shown in FIG. 4, the loading platform 19 is pivotally supported by the loading platform frame 19a via a boss portion via a left and right shaft 19b so that the loading platform 19 can be pivoted back and forth, and a lever 31 is extended upward to the boss portion. The loading platform 19 is configured to rotate back and forth by the lever 31. A locking bar 32 is projected from the loading frame 19a, and a locking device (not shown) is provided between the lever 31 and the locking bar 32 by a spring so that the loading bed 19 can be locked in a horizontal state. It is configured. With the above-described configuration, the loading platform 19 can be easily rotated back and forth and set in a horizontal state.

  Further, when the mountain-shaped portion 19d is configured to be higher in the front-rear direction intermediate portion of the loading platform 19 in a side view, a flat portion 19e having a predetermined width is formed in the front-rear direction intermediate portion as shown in FIG. An inclined surface may be formed before and after that. For example, a flat portion having a width approximately equal to the conveyance width of the root vegetable conveyance device 16 is configured across the entire width. Even if it comprises in this way, the same effect can be anticipated.

Next, another embodiment of the loading platform 19 will be described with reference to FIGS.
In this embodiment, the loading platform 19 is configured to be tilted and rotated from the horizontal state in three directions, the front-rear direction and the lateral direction. The left end of the loading frame 19a is pivotally supported by the front and rear pins 33 on the bracket of the traveling machine body 1, and the loading frame 19a and the right end of the loading platform 19 are rotated up and down by, for example, a lifting cylinder 35 that expands and contracts by a geared motor 34. It is configured to be able to move. In addition, the loading platform 19 supports the loading platform 19 so as to be able to turn around a left and right axis 19b. Further, the inner front and rear center of the loading platform 19 is configured as a low flat surface portion 19h, the front side portion as a front upward inclined surface 19i, the rear side portion as a rear upward inclined surface 19j, and the right side portion as an upper right inclined surface 19k.

  According to the said structure, the loading platform 19 can be tilt-adjusted in three directions, a front-back inclination and a horizontal inclination, and the freedom degree of taking out the container bag 29 can be raised. In addition, when the right side of the loading platform 19 is a slope that rises to the right, if the right end of the loading platform 19 is rotated and adjusted to slightly tilt upward, the loading platform is placed on the carrot foliage adjacent to the traveling right side. The harvesting operation can be carried out smoothly while preventing the contact 19.

  Further, the elevating cylinder 35 is configured to be locked in a stored state by a lock device 36. As shown in FIG. 8, the lock device 36 is disposed on the left side of the elevating cylinder 35. The lock device 36 is formed with a long slot 36a, and the pin 35a of the elevating cylinder 35 is connected to the lock device 36. Is engaged with the long groove 36a.

  According to the above-described configuration, when the rotation of the loading platform 19 is adjusted, the pin 35a on the lifting cylinder 35 side is locked to the right end portion of the long groove 35a, and the lifting cylinder 35 is expanded and contracted to adjust the lateral inclination, thereby raising and lowering the ground. It can move up and down according to the vehicle and run smoothly. Further, the container 19 can be easily tilted and rotated in the horizontal direction, and the container bag 29 can be easily taken out. When the loading platform 19 is pivoted upward and stored, the pin 35a on the lifting cylinder 35 side can be engaged and locked with the locking portion 35b of the long groove 35a.

  The middle part of the frame 16a of the root vegetable transfer device 16 is pivotally connected by a shaft 16b, the end side is configured to be rotatable up and down with respect to the start end side of the root vegetable transfer device 16, and the loading platform 19 is rotated upward and stored. When doing so, the end side of the root vegetable transfer device 16 is pivoted upward to avoid interference.

Next, another embodiment of the left and right moving devices 13, 13 will be described with reference to FIG.
The right moving case 13a of the left and right moving devices 13, 13 is configured to be long so that the lower end of the moving case 13a approaches the field scene, and the left moving case 13a is configured to be shorter by shifting the lower end of the left moving case 13a upward than the right side. Includes left and right moving chains 13b and 13b that rotate up and down, left and right moving chains 13b and 13b are fitted with left and right moving lugs 13c and 13c, and left and right moving lugs 13c and 13c are rotated upward in a protruding state, It is configured to cause carrot foliage while rotating downward in the retracted and stored state. An auxiliary moving device 13e is attached to the tip of the left moving case 13a so as to extend downward.

  A branch weed 13d extends forward at the lower tip of the right moving case 13a, and a soil discharge plate 41 is attached to the right side of the tip of the weed shear 13d. An inclined guide surface is formed on the right side, the right side clay of the cultivated carrot is excluded on the right side, and movement to the moving lug 13c side is prevented. In addition, when covering the carrot foliage in winter with the cover of the carrots removed by the soil discharging plate 41, the moving lag 13c acts on the root of the foliage and the foliage is removed. , And the lower part of the foliage is easily sandwiched by the left and right pulling and conveying devices 11 and 11.

  Further, a moving bar 42 is attached to the left side of the tip of the weed ridge 13d, and the moving bar 42 is inclined to the left side toward the rear side and is inclined upward in a side view. Thus, the moving bar 42 guides the carrot foliage to the left side, preventing the foliage from approaching the right moving case 13a more than necessary, and preventing the foliage from being pulled into the right moving case 13a. Yes. In addition, since the moving bar 42 causes the lower leaves of the stems and leaves to wither or wilted in the winter season, these cuttings are prevented and the moving action of the moving lug 13c is ensured. The clamping action of 11 and 11 can be ensured.

Next, a sorting device for carrots and the like will be described with reference to FIGS.
The driving roller 52 and the driven roller 53 are pivoted on the upper and rear sides of the sorting frame 51, the front and rear rollers 53a and 53b are pivoted on the lower and front and lower sides of the sorting frame 51, and the sorting conveyors are arranged on these rollers 52, 53, 53a and 53b. 54, the power is transmitted from the motor 55 to the driving roller 52 via the belt transmission 55a, and the sorting conveyor 54 is driven. A tension roller 53c is pressed against the sorting conveyor 54, and the sorting conveyor 54 is rotated with a predetermined tension.

  The sorting conveyor 54 is made of a flexible material having a predetermined width, and a guide protrusion 54a is formed along the conveying direction on the right side (upper side in FIG. 10A) of the sorting conveyor 54, for example. The 52, 53, 53a, and 53b are provided with guide recesses into which the guide protrusions 54a are inserted, and are configured to rotate while preventing the sorting conveyor 54 from shifting to the left and right. A supply hopper 57 is provided on the start end side of the sorting conveyor 54.

  A guide plate 56 is provided close to the back surface of the sorting conveyor 54, the back surface of the sorting conveyor 54 is supported by the guide plate 56, and the contact side of the sorting conveyor 54 and the guide plate 56 is configured as a smooth surface. It is configured to move smoothly. Further, the left side of the guide plate 56 is configured with a plurality of sorting openings 58,... For discharging the sorting objects that become heavier sequentially from the start side to the end side of the sorting conveyor 54, When the object passes through the sorting openings 58,..., The object sinks due to its own weight.

  Measuring devices 59,... Are respectively disposed below the openings 58,. The weighing devices 59,... Are provided on the frame arm with a measuring arm 59a supported by an axis along the conveying direction, a measuring plate 59b attached to one end of the measuring arm 59a, and the other end of the measuring arm 59a. It is configured by a spring 59c that is connected and can adjust the spring force. Further, an extrusion device 61,... Is arranged on the side of the sorting openings 58,.

  Thus, when the object to be sorted being conveyed by the sorting conveyor 54 is conveyed to the weighing plate 59b of the weighing device 59 having the set weight, the sorting conveyor 54 sinks with the weight of the object to be sorted, and the weighing plate 59b is lowered below. , The detection switch 60 is turned on by the measuring arm 59a, and the selection signal is input to the control unit (not shown). Then, in accordance with an extrusion command from the control unit, the extrusion devices 61,... Disposed on the sides of the sorting openings 58,... Operate to push out the objects to be sorted, and the objects to be sorted are sorted by a predetermined weight. The

  There exists Unexamined-Japanese-Patent No. 2001-198531 as a sorting conveyor type weight sorter. In this prior art, in order to drop the sorting conveyor by the weight of the object to be sorted, the sorting conveyor needs to be loosened and wound, and the sorting conveyor must be driven from the pushing direction on the lower conveyance side. For this reason, there is a problem that the sorting conveyor becomes long, the drive configuration becomes complicated, and the cost increases.

  However, in this embodiment, since the sorting conveyor 54 is configured to be wide by a predetermined width and the weight is measured by sinking one side of the sorting conveyor 54, the configuration can be simplified and the cost can be reduced.

  The measuring instrument 59 may be configured as shown in FIG. A measuring arm 59a is pivotally supported on the frame portion by an axis orthogonal to the conveying direction of the sorting conveyor 54, and the measuring arm 59a is disposed on the upper conveyance side of the sorting opening 58. A measuring plate 59b is attached to one end of the measuring arm 59a, and a spring 59 with adjustable spring force is connected to the other end of the measuring arm 59a. The guide plate 56 facing the lower conveyance side of the measuring plate 59b is formed with an inclined surface portion 56a inclined downward toward the upper conveyance side.

  According to the said structure, in the case of the sorting discharge of a to-be-sorted object, the conveyance lower side of the measurement board 59a can be smoothly rotated below, and to-be-sorted object can be discharged | emitted smoothly. Further, the guide plate 56 facing the lower conveyance side of the weighing plate 59b is formed with the inclined surface portion 56a inclined downward toward the upper conveyance side, so that the sinking of the sorting conveyor 54 is facilitated, and the object to be sorted is obtained. Can be discharged smoothly.

Whole side view of root crop harvester Whole side view of root crop harvester Whole side plan view of root crop harvesting machine Whole side view of root crop harvester Overall view of root crop harvester Top view and front view of cargo bed Side view of cargo bed Overall view of root crop harvester Front view of moving device Side view, cutting plan view, cutting front view of sorter Side view, cutting plan view, cutting front view of sorter Top view and side view of sorter

Explanation of symbols

1 traveling machine body 2 traveling device (crawler traveling device)
11 Pulling and conveying device 16 Root vegetable conveying device 19 Loading platform 29 Root vegetable storage container (container bag)

Claims (3)

A pair of left and right traveling devices (2, 2) is provided in the lower part of the traveling machine body (1), and a pulling and conveying apparatus (11) that holds the roots and leaves of the root vegetables on the left and right sides of the traveling machine body (1) and conveys them backward. , 11), and the root vegetable transporting device (16 ) that takes over the root part of the root vegetable whose foliage has been cut off in the middle of the transport of the pulling transport device (11, 11) and transports it to the other left and right sides of the traveling machine body (1). ), And a root crop harvesting machine provided with a container loading platform (19) for storing roots of root crops below the end side of the root vegetable transporting device (16),
Together constituting tiltably on the rear side with respect to the running direction of the vehicle body (1) a loading platform (19) in the horizontal state, adjustably configured in the inclined state in which the left and right outer end of the loading platform (19) is located above Root vegetable harvesting machine characterized by having done. A pair of left and right traveling devices (2, 2) is provided in the lower part of the traveling machine body (1), and a pulling and conveying apparatus (11) that holds the roots and leaves of the root vegetables on the left and right sides of the traveling machine body (1) and conveys them backward. , 11), and the root vegetable transporting device (16) that takes over the root part of the root vegetable whose foliage has been cut off in the middle of the transport of the pulling transport device (11, 11) and transports it to the other left and right sides of the traveling machine body (1). ), And a root crop harvesting machine provided with a container loading platform (19) for storing roots of root crops below the end side of the root vegetable transporting device (16),
The horizontal loading platform (19) is configured to be tiltable forward with respect to the traveling direction of the traveling machine body 1, and is configured to be adjustable to an inclined state in which the left and right outer ends of the loading platform (19) are positioned upward. Features a root crop harvesting machine. A pair of left and right traveling devices (2, 2) is provided in the lower part of the traveling machine body (1), and a pulling and conveying apparatus (11) that holds the roots and leaves of the root vegetables on the left and right sides of the traveling machine body (1) and conveys them backward. , 11), and the root vegetable transporting device (16) that takes over the root part of the root vegetable whose foliage has been cut off in the middle of the transport of the pulling transport device (11, 11) and transports it to the other left and right sides of the traveling machine body (1). ), And a root vegetable harvesting machine provided with a loading platform (19) for placing a root vegetable storage container below the terminal side of the root vegetable transporting device (16),
A root crop harvesting machine characterized in that the horizontal loading platform (19) is configured to be tiltable in the left-right direction with respect to the longitudinal traveling direction of the traveling machine body (1).