JP2000270646A - Harvester for rood crops - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide harvester for root crops capable of removing a foreign matter in a conveying means without stopping the harvesting operation when harvesting carrots in a field, and further capable of removing the foreign matter attached to the carrots stored in a storing container. SOLUTION: Root parts after cutting off the stems and leaves of harvested root crops are conveyed rearward by a conveyor 13, and stored in a storing container 49 loaded on a carrier 50. At the time, guides 50a and 50b for the container for preventing the slidable movement of the storing container 49 are installed in the rear carrier, and a trapping space A for foreign matters is formed between the conveyor 13 and the carrier 50 at the rear part. The foreign matter such as the soil, dropped from the conveying root crops to the conveyor belt 13g of the conveyor 13 of a conveying means, and the foreign matter attached to the root crops stored in the storing container 49 can be readily removed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a harvester for root vegetables such as carrots.

[0002]

2. Description of the Related Art An example of a conventional root crop harvesting machine will be described below, taking carrot as an example of root crop. A conventional carrot harvester has a pair of endless belts that rotate the carrot foliage by raising means in accordance with the forward running of the carrot harvester in the field, dig up the soil on both sides of the carrot by the digging means, and rotate in opposite directions to each other. The carrot foliage is pulled out and digged in a state where it is sandwiched by the holding and conveying belt composed of, and then, the foliage is cut in the process of being conveyed to the rear of the harvester by the nipping and conveying belt, and the carrot is further conveyed rearward to the storage container. It is a machine to store.

[0003]

In the above-mentioned carrot harvester of the prior art, the carrots which are cut off, conveyed by a conveyor, and stored in a storage container include mud, fallen leaves, and a part of the cut foliage. Foreign matter such as is attached.
These foreign substances fall from the carrot onto the conveyor belt of the transporting means and adhere to the conveyor belt, not only contaminating the carrots subsequently transported, but also cause a failure of the transporting means. Since the operation of cleaning the foreign matter of the transport means is temporarily stopped, there is a problem that the efficiency of the harvesting operation is reduced.

Further, it is difficult to remove the carrots stored in the storage container with foreign matters attached thereto, especially the carrots stored on the conveyor side of the storage container. However, there is a problem that not only the sorting operation is troublesome, but also the quality of the harvested carrots is reduced due to attached foreign substances.

SUMMARY OF THE INVENTION It is an object of the present invention to remove foreign substances from a transport means without interrupting the harvesting operation when harvesting carrots in a field, and to remove foreign substances adhering to carrots stored in a storage container. It is an object of the present invention to provide a root crop harvester having a configuration that can be used.

[0006]

SUMMARY OF THE INVENTION The object of the present invention is to excavate soil near a root vegetable, pinch and pull out the excavated root vegetable foliage, and to provide a root transport means for transporting the root backward and a transported root. In a root crop harvesting machine having loading means for storing containers, means for preventing falling off of the container are provided between the means for transporting the root and the means for loading the container, and between the means for transporting the root and the means for preventing falling off of the container. This is achieved by a root crop harvesting machine having a configuration in which is used as a foreign matter removal space.

[0007]

According to the present invention, the root portion obtained by cutting the foliage of the harvested root vegetables is transported backward by the transport means (transport conveyor 13), and the storage container 4 loaded on the carrier 50 is transported.
Store in 9. At this time, a drop-off preventing means (container guides 50a, 50b) for preventing the storage container 49 from sliding is provided in the rear carrier, and a foreign matter dropping space is provided between the root conveying means (transport conveyor 13) and the rear carrier 50. A is provided, and from the root vegetables to be transported to the transport means conveyor 13
Foreign matter such as mud that has fallen on the conveyor belt 13g and foreign matter adhered to root vegetables stored in the storage container 49 can be easily removed.

Therefore, according to the present invention, when harvesting root vegetables in a field, it is possible to remove foreign matter that has fallen on the transporting means without interrupting the harvesting operation, and to prevent failure of the transporting means due to foreign matter adhesion. In addition, it is easy to remove foreign substances adhering to the root vegetables stored in the storage container. Quality deterioration can be prevented.

[0009]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a side view of a root vegetable harvesting machine according to an embodiment of the present invention, and FIG. 2 shows a top view of the root vegetable harvesting machine of FIG. A case where a carrot (a) is harvested as a root vegetable (a) by the root vegetable harvester shown in FIGS. 1 and 2 will be described. The root vegetable harvesting machine 1 shown in FIGS. 1 and 2 excavates a carrot (a) from a field and transfers the carrot (a) from a predetermined position at a lower portion on the opposite side of the leaf while transferring the carrot (a). The roots are cut off, then the leaves are cut off, and are temporarily stored in a box-shaped storage container 49.

The harvesting machine 1 for root vegetables is provided with a harvesting work device 3 on the left side of a vehicle body 7 of the traveling vehicle 2, and the harvesting work device 3 is provided with a front raising device 4, a digging device 5 and a rear portion. A root vegetable transport device 6 and the like are provided.

The traveling vehicle 2 has crawlers 8 provided on the left and right sides on the lower side of the vehicle body 7, and an operating device 9 for performing a traveling operation, a harvesting operation, etc. Is provided with a cockpit 10 for performing various operations while riding, and a prime mover (engine) 11 and the like are provided below the cockpit 10. In this configuration, the crawler 8 is driven from the prime mover 11 via a transmission mechanism 11b in a traveling case 11a. A fuel tank 11f is provided at the rear of the cockpit 10.

At the rear of the cockpit 10 above the vehicle body 7, a predetermined position of a leaf portion of the carrot (a) is cut by a leaf cutting device 12, which will be described later. A conveyer 1 that receives a supply of cut carrots (a) at a lower predetermined position and transports the carrots 7 in the lateral direction.
3, and the conveyor 13 is provided to be inclined upward toward the transfer end. Under the transfer end of the conveyor 13 and above the vehicle body 7, the carousel (A) with the cut leaf is supplied from the conveyor 13,
This is a configuration in which a storage container 49 for storing and temporarily storing is placed.

A U-shaped support plate 16 is provided on the left side of the rear part of the vehicle body 7 so as to protrude upward. A transmission case 17 in which a transmission mechanism 17a is mounted is rotatably mounted above the support plate 16. Provided. The transmission case 17 is provided with a support plate 18 protruding to the front lower part, and a front end of the support plate 18 is provided with mounting plates 19b to which receiving plates 19a protruding to the front lower part are fixed on both left and right sides. At the same time, an auxiliary receiving plate 19c protruding downward and forward is fixed to the front ends of the receiving plates 19a, 19a.

The right and left raising devices 4 are configured such that an upper portion thereof is supported by an upper receiving rod 20a having a transmission mechanism 20c projecting forward from the transmission case 17 and is driven to rotate, and a lower portion thereof is supported by an auxiliary receiving plate 19c. It is supported by a lower receiving rod 20b protruding forward.

The raising device 4 is provided on the left and right sides of the front portion of the root vegetable transporting device 6, and the raising device 4 is provided with rotatable raising chains 22a which are housed in left and right raising cases 21 and 22, Raised lugs 2 are provided at predetermined intervals on the chain 22a.
2b, and the raised lugs 22b are connected to the raised cases 21, 2
2 between the front lower end portion and the front upper end portion.
The first and second portions protrude from between the first and second portions and serve as an action portion for raising the leaves of the carrot (a), and the rear portion is a non-action portion that does not cause the leaves.

On the lower outer surfaces of the raising cases 21, 22, weeding tools 23, 23 for separating the leaves of the carrot (a) are provided.
Is provided so as to protrude forward, and as shown in FIG. 1, an unevenness sensor 24 for detecting the unevenness of the ridge is provided between a carving (a) excavation strip and an adjacent strip adjacent to this strip. I have. The unevenness sensor 24 is formed by bonding a ground plate 25b to a support plate 25a rotatably provided on the outer surface of the raising case 21 and a connecting rod 25d connecting an upper end of the support plate 25a and a potentiometer 25c. Configuration.

The grounding plate 25b detects the unevenness of the field and turns up and down.
c, the lifting device 4 on the left and right sides, the excavating device 5 and the root vegetable transport device 6 described below are moved up and down around the position of the vertical rotation center 26 of the transmission case 17 by the operation of the vertical cylinder 26a. This is a configuration for controlling rotation. The rear end portion of the grounding plate 25b is configured to be located in front of a lower front end position of a later-described drawing and conveying device 28 of the root vegetable conveying device 6 to improve detection performance.

The excavating device 5 is provided with auxiliary receiving plates 19 on both left and right sides.
c, and the entire excavating device 5 is freely and freely adjustable vertically or simultaneously by manual or automatic operation. The excavating device 5 includes support rods 27a, 27a
The supporting rods 27a, 27a are protruded downward at the front. The partitioning blades 27b, 27b are attached to the front ends of the supporting rods 27a, 27a, and the soil on both the left and right sides of the carrot (A) is dug by the left and right partitioning blades 27b, 27b.

A front support plate 16a is provided at a front portion of the support plate 16 of the vehicle body 7, and a support rod 16b protruding forward is provided at the front support plate 16a. A front end of the support rod 16b has An L-shaped rotating plate 16c is rotatably mounted, and a lower end on one side of the rotating plate 16c is connected to a front end of the upper and lower cylinder 26a, and a supporting rod 16d is mounted on the other front end.
Is attached, and the other end of the support rod 16d is connected to the vicinity of the front end of the receiving plate 19a.

By the operation of the upper and lower cylinders 26a, the turning plate 16c, the supporting rod 16d, the receiving plate 19a, and the auxiliary receiving plate 19c are pivoted about the vertical turning center 26 of the transmission case 17.
In addition, the raising device 4, the excavating device 5, the root vegetable transport device 6, and the like are automatically and simultaneously vertically controlled via the connecting plate 29, which will be described later.

At the left and right sides of the rear of the pulling device 4, there is provided a pulling and conveying device 28 of the root vegetable conveying device 6, and the transfer terminal at the upper end of the pulling and conveying device 28 is connected to the rear side of the transmission case 17. A transmission mechanism 31 protruding forward and upward into a transmission case 30 containing a transmission mechanism 30a provided via a plate 29.
a transmission case 32 provided above the support rod 31 in which
It is configured to be supported by a transmission mechanism 32a housed in the vehicle and to be rotationally driven. The transmission case 30 is the transmission case 17
Is vertically rotated through the connecting plate 29 at the same time.

The pulling and conveying device 28 is inclined upward from the front to the rear, and is held between upper and lower pulleys 28b and 28c rotatably supported at upper and lower ends thereof. 28a. The leaves of the carrot (a) dug out by the excavating device 5
8 and is conveyed toward the upper rear side.

The carrot lower cutting device 47 is provided on the rear upper portion of the excavating device 5 and below the middle portion of the pulling and conveying device 28. The carrot lower cutting device 47 is provided with a guide rod 48a having a mountain shape at two locations in the vertical direction at predetermined intervals in the horizontal direction.
Are provided, and a rotating tool 48 having a plurality of cutting blades 48b mounted on the outer peripheral portion of rotation is provided in the two mountain shapes.
c is rotatably supported.

The guide rod 4 of the carrot lower cutting device 47
The carrot (a) having a short mountain shape and a short overall length at the lower mountain-shaped portion of the leaf portion 8a is cut by a predetermined position on the opposite side of the leaf portion while being transported upward while being nipped by the nipping and conveying belts 28a, 28a. It is cut by the blade 48b. Carrot (a)
It is configured to cut a predetermined position by the entire length.

The neck alignment transfer device 33 of the root vegetable transfer device 6,
The tapping transfer device 34, the leaf portion transfer device 35, and the leaf cutting device 12 are provided substantially parallel to the field scene during the carrot (a) harvesting operation state (FIG. 1).

The head alignment transfer device 33 includes a pull-out transfer device 2
8, located a predetermined distance below the transfer end,
It is provided on both left and right sides in plan view. The transfer end portion of the neck alignment transfer device 33 is provided with a transmission mechanism 38a mounted on an upper transmission case 38 provided on an upper side of a lower support case 37 provided with a transmission mechanism 37a provided on the transmission case 30 so as to protrude upward.
And driven to rotate.

The head alignment transfer device 33 includes a support plate 3
Front and rear pulleys 39 rotatably supported at the front and rear end portions of
a and 39b, and the front and rear pulleys 39
A plurality of V-shaped support plates and tension rollers are provided between the front and rear pulleys 39a and 39b.
In addition, a neck alignment transfer belt 39c is stretched over each tension roller. A predetermined gap is provided between the neck alignment transfer belts 39c, 39c provided on the left and right sides in plan view, and the leaves of the carrot (A) are sandwiched between the neck alignment transfer belts 39c, 39c. The holding force is smaller than the holding force of the holding / conveying belts 28a, 28a of the drawing / conveying device 28.

The head alignment transfer device 33 includes the pull-out transfer device 2
In the middle of nipping and transporting the leaves of the carrot (a) to the nipping and conveying belts 28a, 28a of No. 8, the head of the carrot (a) is also applied to the neck-alignment transfer belts 39c, 39c of the neck-alignment transfer device 33. The lower portion is pinched, and while the leaf portion of the carrot (a) is pinched by both, the pinch transport belt 2 is held.
By being further transported to the upper part by 8a, 28a,
The upper end (shoulder) on the trunk side of the carrot (a) is pulled up to the lower end position of the neck alignment transfer belts 39c, 39c,
Carrot (a) neck alignment is performed.

The transfer end portion of the tapping transfer device 34 is configured to be supported and rotated by a lower portion of a transmission mechanism 41a housed in an upper support case 41 provided on the upper transmission case 38 so as to project upward and downward. . The tapping transfer device 34 is provided in a parallel state with a predetermined interval in a side view provided above the neck alignment transfer device 33, and the transfer start end is positioned at a substantially central portion in the front-rear direction of the neck alignment transfer device 33, Front and rear pulleys 42a rotatably supported at the rear end,
The tapping transfer belt 42c is provided on the left and right sides in plan view.
The leaves of carrot (a) can be sandwiched between c and 42c.

At the beginning of the takeover, the leaves of the carrot (a) are sandwiched and conveyed by belts 28a, 28a,
9c, 39c and tapping transfer belts 42c, 42
c, and from the predetermined position to the rear, the neck-alignment transfer belts 39c, 39c, and the tapping transfer belts 42c, 42c,
2c.

The transfer end portion of the leaf transfer device 35 is configured to be supported and rotated on the upper side of a transmission mechanism 41a housed in the upper support case 41. The leaf transfer device 35 is provided above the tapping transfer device 34 in a parallel state with a predetermined interval in a side view, and the transfer start end is located a predetermined distance behind the transfer start end of the tapping transfer device 34. Front and rotatably mounted on the rear end
The leaf transport belt 43c is wound around the rear pulleys 43a and 43b, and the leaf transport belts 43c and 43 on the left and right sides in plan view.
Hold the leaves of carrot (a) between c.

At the beginning of the handover, the leaves of the carrot (a) are transferred to the neck-alignment transfer belts 39c, 39c, the tapping transfer belts 42c, 42c, and the leaf transfer belts 43c, 43c.
c, and the tapping transfer belts 42c, 42c from the rear end of the neck alignment transfer belts 39c, 39c.
c and the leaf portion transfer belts 43c, 43c,
And, from the rear part of the leaf cutting device 12 described later, only the cut leaves cut by the leaf cutting device 12 are transferred, and the cut leaves are transferred from the transfer end portions of both the tapping transfer device 34 and the leaf transfer device 35. Release to field.

The leaf cutting device 12 includes an upper transmission case 38
A cutting blade 46a that rotates in a horizontal plane is attached to a shaft end of a rotating shaft 46 that is provided to project vertically downward from the shaft. This leaf cutting device 12 has a transmission case that is located at the vertical rotation center 26. 17 and also close to the transfer end of the neck alignment transfer device 33. This cutting blade 46
a is located below the tapping transfer device 34 at a predetermined position below the neck alignment transfer device 33.

By the cutting blade 46a, the tapping transfer device 34 and the leaf transfer device 35 both hold the carrot (a) leaf and transport the carrot (a) leaf in a predetermined manner. Disconnect position. When the leaf portion of the carrot (a) is cut by the leaf cutting device 12, the root portion of the carrot (a) falls to the start end of the conveyor 13.

A rear carrier 50 is provided at a rear portion of the vehicle body 7, and a side carrier 52 is provided at a side rear portion of the cockpit 10.
Further, a side auxiliary carrier 54 is provided behind the side carrier 52.
The rear carrier 50 and the side carrier 52
A plurality of storage containers 49 for temporarily storing harvested carrots can be placed on the upper side of the side auxiliary carrier 54.

The shooter 15 and the dump 53 are provided below the end of the conveyor 13 and above the side carrier 52.
And the carrot (a) conveyed by the conveyor 13
Is configured to be slid down through the shooter 15 and stored in the storage container 49 loaded on the dump 53 having the damper.

FIGS. 3 to 8 show a structure in which a foreign substance dropping space is provided in the rear carrier section to facilitate the removal of the foreign substances adhering to the transport conveyor 13 and the carrot in the storage container 49 of the rear carrier section. Will be described.

FIG. 3 is a partially cutaway elevational view of the root cropper, FIG. 4 is a perspective view of the transport conveyor and the vicinity of the rear carrier of FIG. 3, and FIG. 5 is a perspective view of the transport conveyor of FIG. 6 is a cross-sectional view, FIG. 6 is a top view of the rear part of the root crop harvester of FIG. 3, FIG. 7 is a perspective view of the rear part of the root crop harvester of FIG. 3, and FIG. 8 is the carrier of FIG. It is a perspective view of a bracket.

As shown in FIGS. 2 to 4, a conveyor 13 for transferring the harvested carrot (a) is provided above the vehicle body 7 and behind the cockpit 10, and is arranged in a lateral direction perpendicular to the traveling direction. And inclined upward from the beginning to the end. The start end of the conveyor 13 is located below each of the tapping transfer device 34 and the leaf transfer device 35, and the terminal end of the conveyor 13 is located above the side carrier 52.

FIG. 5 is a sectional view of the conveyor 13 taken along line BB of FIG. The transport conveyor 13 has two side frames 13a, 13a erected on the upper part of the vehicle body 7,
Between the two side frames 13a, 13a, a shaft 13b (FIG. 3) is rotatably supported at the start end of the conveyor 13 and a shaft 13c is rotatably supported at the end thereof, and a sprocket wheel 13b 'is mounted on the shaft 13b. , 13b 'and the shaft 13c
The sprocket wheels 13c ', 13c' are respectively axially mounted on the shafts, and an endless sprocket chain 13d is wound between the sprocket wheels 13b ', 13c', and brackets 13e are fixed to the sprocket chain 13d at regular intervals. In this configuration, both sides of a conveyor belt 13g are fastened to bolts 13f, 13f.

When a sprocket wheel 13b 'is rotationally driven via a shaft 13b by a transmission mechanism (not shown), a conveyor belt 13g is driven via a sprocket chain 13d, and the carrot (a) loaded at the start end of the conveyor 13 is conveyed. The sheet is conveyed while rising to the end of the conveyor 13.

As shown in FIG. 5, a mud drop extending in the longitudinal direction of the chain has an L-shaped cross section and an inverted L-shaped cross section so as to be in contact with the inner side and lower side of the ascending side (upper side) sprocket chain 13d. Guide and chain guide 13
i and 13j to prevent foreign matter such as mud falling from both sides of the ascending (upper) conveyor belt 13g from adhering to the descending (lower) conveyor belt 13g, and to serve as a mud removal guide and chain. The guide 13i is connected to the opening 13h of the side frame 13a, and guides the dropped mud as shown by the arrow C so that it can fall into the foreign matter dropping space (A) described later. The mud dropping guide and chain guide 13j guides the dropped mud as shown by arrow D. In addition, mud removal guide and chain guide 1
3i and 13j are the ascending sprocket chains 13d
To prevent the chain 13d from coming off the sprocket wheel 13c '.

As shown in FIG. 2 to FIG.
On the upper side of the rear part, a rear carrier 50 is provided so as to extend the vehicle body 7 further behind the conveyor 13. The storage containers 49, 49,... Can be loaded on the rear carrier 50 as shown by reference lines in FIGS.

A floor surface indicated by broken-line hatching (A) in FIG. 4 is provided above the vehicle body 7 between the conveyor 13 and the rear carrier 50 to provide a space for removing foreign matter. In order to secure the space and prevent the storage container 49 from sliding toward the space, the container guide 5 is attached to the rear carrier 50.
0a, and a container guide 50b is also fixed to the side frame 13a of the conveyor 13 so as to protrude therefrom.

According to this embodiment, since the container guide 50a for preventing the storage container 49 from sliding is provided between the rear carrier 50 and the conveyor 13 to provide a space for removing foreign substances, the mud adhering to the carrot (a) is provided. Even if foreign matter such as fallen leaves or a part of cut stems and leaves falls from the conveyor 13, the foreign matter can be removed by discharging the foreign matter to the foreign matter dropping space while the conveyor 13 is operated.
In addition, foreign matter adhering to the carrot (a) stored in the storage container 49 on the side of the conveyor 13 which has been difficult to remove in the past can be easily removed because the foreign matter dropping space is provided.

Therefore, the harvesting operation is not interrupted even if foreign matter that has fallen from the carrot (a) onto the conveyor 13 and adheres to the conveyor belt 13g does not interrupt the efficiency of the harvesting operation. Foreign matter adhering to the carrot (a) stored in the storage container 49 can also be easily removed. Therefore, the labor of the sorting operation after the harvesting operation can be reduced to save labor, and the quality of the carrot (a) does not deteriorate due to leaving the attached foreign matter.

During harvesting, the root vegetable harvesting machine 1 uses the rear carrier 50, the side carrier 52 and the side auxiliary carrier 54 to load the storage container 49 as shown in the top view of FIG. These carriers 50, 52, and 54 are folded and stored when traveling on the road after loading / unloading the storage container 49, storing in the garage, or the like. Rear carriers 50, 52 of the root cropper 1
54 is a top view of the rear part of the root crop harvester 1 of FIG. 6, FIG.
As shown in the perspective view of the rear part of the root vegetable harvesting machine 1 and the carrier bracket perspective view of FIG.

That is, as shown in FIGS. 6 and 7,
First, the dump 53 is turned 90 degrees as shown by the arrow E and folded. Since the side auxiliary carrier 54 is rotatably connected to the side carrier 52 by a hinge 54a by 90 degrees, after turning the side auxiliary carrier 54 as shown by the arrow F, the side carrier 52 is connected to the carrier bracket 52b. Is rotated as indicated by the arrow G around the rotation elongated hole 52c provided at the center. Thereafter, the rear carrier 50 is pivoted as indicated by an arrow H about a pivot slot 50d (FIG. 8) provided in the carrier bracket 50c. After the rotation, the rear carrier 50, the side carrier 52 and the side auxiliary carrier 54 can be compactly folded and stored in the rear part of the root crop 1 as shown by reference lines in FIGS.

A carrier bracket 50c shown in FIG. 8 is fixed to the rear carrier 50 so as to protrude therefrom. The carrier bracket 50c is provided with a rotating long hole 50d so that the carrier bracket 50c protrudes from the bracket 7a fixed to the vehicle body 7. The moving fulcrum pin 7b is loosely fitted in the rotary oblong hole 50d. Therefore, the folding rotation of the rear bracket 50 is extremely easy,
At the time of storage, a simple and reliable structure that can be fixed only by dropping the rotating long hole 50d can be obtained. The rotation of the side carrier 52 and the fixing during storage can be performed by the same structure.

In the examples shown in FIGS. 9 to 13, an empty container carrier 55 is provided so that a large number of empty containers can be loaded on the root cropping machine, and the rigidity of the transport conveyor frame is enhanced.

FIG. 9 is a top view of the root crop harvester, and FIG. 10 is a perspective view of the empty container carrier of FIG.
1 is an elevational view of the conveyor 13 of FIG. 9, FIG. 12 is a cross-sectional view of the conveyor 13 of FIG. 9 (a view taken along the line JJ of FIG. 11), and FIG. FIG. 13 is a sectional view of FIG. 13 (viewed along the line KK in FIG. 11).

As shown in FIGS. 3, 9 and 10, empty container placing stays 55a and 55b are erected around the side frames 13a of the transport conveyor 13. The side frames 13a and 13a and the empty container placing stays 55a and 55b
e, 55e,... The carrier member 5 is provided above the empty container holder stays 55a and 55b.
5c and 55c are provided in parallel with the conveyor 13 and connected to the stays 55a and 55b by fastening members (not shown).

The carrier member 55c is made of a lightweight steel material or a pipe material, and stoppers 55d, 55d,... Are formed at the end and side of the carrier member 55c.
An empty storage container 49 is stacked on the carrier member 55c. The stoppers 55d, 55d,... Abut against the side surface of the empty storage container 49 to prevent the storage container 49 from dropping.

As shown in the top view of FIG.
5c can be loaded with a large number of empty storage containers 49 by extending above the conveyor 13 and behind the cockpit 10, further toward the pull-out conveyor 28 than the panel 9a of the operating device 9. It is a configuration that allows easy loading and unloading of empty storage containers 49.

Since the side frames 13a, 13a and the empty container stays 55a, 55b are rigidly connected by bolt nuts 55e, 55e,... (FIG. 10), the distance between the upper portions of the side frames 13a, 13a is increased. By maintaining the specified value, twisting of the side frames 13a, 13a is prevented, and the strength of the conveyor 13 is improved.

Further, as shown in the elevation view of the conveyor 13 in FIG. 11 and the sectional view of the conveyor 13 in FIG.
a, the battery 11 in the cutout 13k at the bottom of 13a
and a battery cover / reinforcement plate (upper) 13l and a battery cover / reinforcement plate (lower) 13m are provided on the battery 11h so that mud and the like do not fall off the conveyor. 13m of the battery cover / reinforcement plate (bottom) are attached to the side frames 13a, 13a respectively.
To the side frames 13a, 1
3a is maintained at a predetermined value, and the side frame 1
3a and 13a are prevented from being twisted, and the strength of the conveyor 13 is improved.

It should be noted that an elevational view of the conveyor 13 in FIG. 11 and a sectional view of the conveyor 13 in FIG.
−K line arrow view), as shown in FIG.
A slight gap is provided along the upper end of 3a, parallel flanges 13n and 13o are fixedly provided, and a detachable safety cover 13p is provided along the upper end of the other side frame 13a.
Is attached, and the tip of the safety cover 13p is inserted into the gap between the parallel flanges 13n and 13o, so that it does not touch the conveyor belt 13g of the conveyor 13 during the harvesting operation, and the safety of the operation is reduced. In addition to the above, when the conveyor 13 is maintained, it can be divided easily in the left-right direction to facilitate the maintenance.

According to the example shown in FIG. 11 and the like, the empty container carrier 5 is placed above the transport conveyor 13 of the root crop harvesting machine.
5 is provided so that a large number of empty storage containers 55 can be loaded, so that the replacement operation of the storage containers 49 is facilitated, the harvesting efficiency is improved, the labor required for container replacement is reduced, and the empty container carrier 55 is used. The stays 55a and 55b for installing
By firmly attaching the transfer conveyor 13a, the rigidity of the transfer conveyor 13 was enhanced, and twisting and bending of the transfer conveyor 13 could be prevented.

By providing the battery cover / reinforcement plates 13l and 13m in the side frame cutout portion 13k, it is possible to prevent foreign substances such as mud from falling into the battery 11h and to prevent the transport conveyor 13 from being twisted or bent. The effect was obtained. The configuration in which the detachable safety cover 13p is attached to the upper end of the side frame 13a prevents occurrence of an accident such as injury due to touching the belt 13g of the conveyor 13 during the harvesting operation,
The work safety is improved, and the safety cover 13p can be easily divided and removed in the left-right direction when the conveyor is maintained, so that the maintainability does not decrease.

The examples shown in FIGS. 14 and 15 reduce the impact of the carrots that are cut off at the foliage and fall on the conveyor, and guide the dropped carrots to the center of the conveyor to increase the conveyor's conveying ability. It is something that is fully demonstrated. FIG. 14 is a top view of the starting end of the conveyor of the harvesting machine for root crops, and FIG. 15 is a sectional view of the starting end of the conveyor (viewed along the line LL in FIG. 14).

The carrots that are harvested from the field by the root crop harvesting machine 1 and whose foliage is cut off and fall onto the conveyor 13 may be damaged by the impact of the fall, resulting in reduced quality and reduced market value. . In a harvesting operation in a densely planted field, a large amount of carrots may not be able to be transported due to accumulation on the transport conveyor 13, and the harvesting speed may have to be limited to a low level. In the example shown in FIGS. The above problem is solved by providing the guide plate 14 at the start end of the conveyor 13.

That is, as shown in the top view of the starting end of the conveyor 13 in FIG.
A lower portion of the tapping transfer device 34 and the leaf transfer device 35,
A guide plate 14 including two slopes, that is, a front guide plate 14a and a side guide plate 14b, is provided between the transfer conveyor 13 and the upper end of the start end. FIG. 15 is a sectional elevation view taken along line LL of FIG.
Both ends of the front guide plate 14a are connected to the conveyor 13
Are fixed to the side frames 13a, 13a.

In the present embodiment, the carrot (a) whose foliage has been cut does not fall directly onto the conveyor 13
After falling on the guide plate 14 having a short falling distance, the slope of the guide plate 14 is slid down, and then the conveyor 13
Will be loaded on The carrot (a) that has dropped near the center of the conveyor 13 is a front guide plate 14a.
And the conveyor belt 13g of the conveyor 13
Is transported near the center of the conveyor, but the carrot (a) falls off the center of the conveyor 13 and falls on the side guide plate 14b, and slides down the slope of the side guide plate 14b while the center of the conveyor 13 Side and is conveyed near the center of the conveyor belt 13g of the conveyor 13.

As described above, the carrot (a) is once dropped on the guide plate 14 and then loaded on the conveyor 13, so that the impact on the carrot (a) is smaller than when the carrot (a) is directly dropped on the conveyor 13. Therefore, the carrot (a) is less damaged, high-quality harvest is obtained, and the carrot (a) falls off the center of the transport conveyor 13 because the side guide plate 14b is provided in addition to the front guide plate 14a. Is also guided near the center of the conveyor 13 and is conveyed near the center of the conveyor 13, so that the carrots (a) can be stacked on the conveyor 13 in an orderly manner.
Therefore, even when a large amount of carrot (a) is harvested in a harvesting operation in a densely planted field, it is not necessary to reduce the harvesting speed, and the harvesting efficiency can be increased.

In the above example, the side guide plate 14b is provided on the right side frame 13a side in FIG.
By providing a side guide plate on both sides provided on the a side, more excellent effects can be exhibited.

FIGS. 16 to 21 show modified examples of the mud dropping shooter attached to the end of the conveyor.
16 is a detailed cross-sectional elevation view near the end of the conveyor, FIG. 17 is a top view of a shooter with a vertical mud drop groove, FIG. 18 is a top view of a shooter with a horizontal mud drop groove, and FIG. 19 is a grid. FIG. 20 is a perspective view of the vicinity of a transport conveyor terminal provided with a grid-shaped shooter, FIG. 20 is a perspective view of a grid-shaped shooter, and FIG. 21 is a perspective view of the vicinity of the transport conveyor terminal provided with another grid-shaped shooter. According to the present modification, foreign substances such as mud adhering to the carrot (a) conveyed by the conveyor can be removed before being stored in the storage container.

FIG. 16 is a cross-sectional elevational view of the conveyor 13 similar to FIGS. 3 and 11, showing details in the vicinity of the end of the conveyor 13, which is loaded on the conveyor belt 13 g of the conveyor 13. The carrot (a) conveyed to the end portion falls on the slope of the shooter 15 before being dropped and stored in the storage container 49 to reduce the impact of the drop.

In this modification, the chute plate 15a forming the slope of the chute 15 is provided with a plurality of vertical mud drop grooves 15b shown in the top view of the chute with vertical mud drop grooves shown in FIG. As a configuration in which a plurality of lateral mud drop grooves 15c shown in the top view of the drop grooved shooter are provided,
The carrot (a) that slides down the slope of the shooter 15 and the carrot (a) due to friction between the mud drop grooves 15b or 15c.
Foreign matter such as mud adhering to the surface is scraped off, and the scraped foreign matter is removed from the mud dropping groove 15b or 15c.

FIGS. 19 to 21 show a modified example in which the slope of the chute 15 is formed by a grid-shaped chute 15d. The grid-shaped chute 15d has a plurality of vertical grid rods 15e, 15e, as shown in the perspective view of FIG. ... and the vertical lattice bar 15
e is composed of two horizontal lattice bars 15f, 15f connecting the start and end portions of the slope formed in the horizontal direction, and side guides 15g, 15g are provided on the side surfaces of the slope. Side guide 1
5g can be replaced with a side frame 13a of the conveyor 13 as shown in FIG.

According to this modification, the grid-like shooter 15
The foreign matter such as mud adhering to the carrot (a) is scraped off by the friction between the carrot (a) sliding down the slope of d and the vertical lattice bar 15e, and the scraped foreign matter is removed by the vertical lattice bar 15e.
By acting so as to eliminate the gap from the gap 15e, the leading end of the vertical lattice bar 15e is bent upward as shown in FIG. 20 so as to approach the end of the conveyor belt 13g of the transport conveyor 13. Also, it is possible to prevent the carrot (a) from being caught in the gap between the shooter and the belt, and from being broken or dropped.

That is, according to this example, carrot (a)
Is stored in the storage container 49 from the conveyor 13 via the shooter 15, foreign matter such as mud adhering to the carrot (a) can be removed.
The effect of preventing the carrot (a) from being pinched at the end portion of (1) can be exhibited.

As shown in FIGS. 3, 4, 15 and 16, etc., the conveyor belt 13g of the conveyor 13 is used.
Is formed into a waveform, so that even if the carrot (a) whose foliage has been cut directly falls on the conveyor 13 at the starting end of the conveyor 13, the waveform of the flexible conveyor belt 13 g Acts to reduce the impact by deformation, less damage to carrot (a),
Even if the worker gets caught in the conveyor belt 13g at the end of the conveyer 13, a serious accident does not occur because the wrapping force is greatly reduced by the deformation of the waveform.

Although not shown in detail, the conveyor 1
3 is provided with a speed change mechanism, and as shown in FIG.
6 so that the auxiliary worker can freely control the transport speed of the transport conveyor 13 as necessary, so that the transport speed can be selected according to the field conditions, and can be temporarily used when the storage container 49 is replaced. The efficiency of the harvesting operation can be further improved by enabling the operation of lowering the transport speed to avoid interruption of the entire harvesting operation due to the convenience of the transport conveyor 13.

[Brief description of the drawings]

FIG. 1 shows a side view of a root crop harvester according to an embodiment of the present invention.

2 shows a top view of the root crop harvester of FIG. 1;

3 is a partially cutaway rear elevational view of the root crop harvester of FIG. 1;

FIG. 4 is a perspective view of the vicinity of a transport conveyor and a rear carrier in FIG. 1;

FIG. 5 is a sectional view of the conveyor shown in FIG. 1;

FIG. 6 is a top view of the rear part of the root crop harvester of FIG. 1;

FIG. 7 is a perspective view of the rear part of the root crop harvesting machine of FIG. 1;

FIG. 8 is a perspective view of the carrier bracket of FIG. 1;

FIG. 9 is a top view of the root crop harvester according to the embodiment of the present invention.

FIG. 10 is a perspective view of an empty container carrier of the root crop harvester of FIG. 9;

11 is a conveyor 13 of the root crop harvesting machine of FIG. 9;
FIG.

FIG. 12 is a conveyor 13 of the root crop harvesting machine of FIG. 9;
FIG. 12 is a cross-sectional view of FIG.

13 is a conveyor 13 of the harvester for root crops in FIG. 9;
FIG. 12 is a cross-sectional view taken along line KK of FIG. 11.

FIG. 14 is a top view of the starting end of the conveyor of the root crop harvesting machine according to the embodiment of the present invention.

15 is a cross-sectional view (a view taken along line LL in FIG. 14) of a starting end of a transport conveyor of the root crop harvester in FIG. 14;

FIG. 16 is a detailed elevational view in cross section of the vicinity of the end of the conveyor in the modification of FIG. 14;

FIG. 17 is a top view of a chute with a vertical mud dropping groove according to a modification of FIG. 14;

FIG. 18 is a top view of a chute with a lateral mud dropping groove according to a modification of FIG. 14;

19 is a perspective view showing the vicinity of a terminal end of a conveyor provided with a lattice-shaped shooter according to a modification of FIG.

FIG. 20 is a perspective view of a lattice-shaped shooter according to a modification of FIG.

FIG. 21 is a perspective view of the vicinity of a terminal end of a conveyor provided with another lattice-shaped shooter of the modification of FIG. 14;

[Explanation of symbols]

REFERENCE SIGNS LIST 1 root crop harvesting machine 2 running vehicle 3 harvesting work device 4 pulling device 5 excavating device 6 root vegetable transport device 7 body 7a bracket 7b carrier rotation fulcrum pin 8 crawler 9 operating device 9a operating panel 10 pilot seat 11 engine (engine) 11a Running case 11b Power transmission mechanism 11f Fuel tank 11h Battery 12 Leaf cutting device 13 Conveyor 13a Side frame 13b, 13c
Shaft 13b ', 13c' Sprocket wheel 13d Sprocket chain 13e Bracket 13f Bolt and nut 13g Conveyor belt 13h Side frame mud drop opening 13i, 13j Chain guide and mud drop 13k Side frame cutout 13l Battery cover and reinforcing plate (top) 13m Battery cover and reinforcing plate (horizontal) 13n Parallel flange 13o Parallel flange 13p Safety cover 14 Guide plate 14a Front guide plate 14b Side guide plate 15 Shooter 15a Shooting plate 15b Vertical mud drop groove 15c Horizontal mud drop groove 15d Grid-shaped shooter 15e Vertical Lattice bar 15f Horizontal lattice bar 15g Side guide 16 Support plate 16a Front support plate 16b Support rod 16c L-shaped rotating plate 16d Support rod 17 Transmission case 17a Transmission mechanism 18 Support plate 19a Receiving plate 19b Mounting plate 19c Auxiliary receiving plate 20a Upper receiving rod 20b Lower receiving rod 20c Transmission mechanism 21, 22 Raising case 22a Raising chain 22b Raising lug 23 Weeding tool 24 Uneven sensor 25a Support plate 25b Grounding plate 25c Potentiometer 25d Connection lot 26 Vertical rotation center 26a Vertical cylinder 27a Support rod 27b Partitioning blade 28 Pull-out transport device 28a Nipping transport belt 28b, 28c
Upper and lower pulleys 29 Connecting plate 30 Transmission case 30a Transmission mechanism 31 Support rod 31a Transmission mechanism 32 Transmission case 32a Transmission mechanism 33 Neck alignment transfer device 34 Tapping transfer device 35 Leaf transfer device 37 Lower support case 37a Transmission mechanism 38 Upper transmission case 38a Transmission mechanism 39 Support plate 39a, 39b
Front / rear pulley 39c Neck alignment transfer belt 41 Upper support case 41a Transmission mechanism 42a, 42b
Front / rear pulley 42c Tapping transfer belt 43a, 43b
Front / rear pulley 43c Leaf transfer belt 46 Rotating shaft 46a Cutting blade 47 Carrot lower cutting device 48a Guide rod 48b Cutting blade 48c Rotating tool 49 Storage container 50 Rear carrier 50a Container guide 50b Container guide 50c Carrier bracket 50d Rotation length Hole 52 Side carrier 52b Carrier bracket 52c Rotating slot 53 Dump 54 Side auxiliary carrier 54a Hinge 55 Empty container carrier 55a Empty container placing stay (front) 55b Empty container placing stay (rear) 55c Carrier member 55d Stopper 55e Bolt nut 56 Conveyor speed change lever

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Hiromichi Kawaguchi 1 Toyocho, Higashi-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Department F-term (reference) 2B072 BA04 BA30 CA12 DA02 DA08 DA12 EA06 EA16 EA18 GA01

Claims (1)

[Claims] 1. A root vegetable having a root conveying means for excavating soil near the root vegetable, pinching and extracting the excavated root vegetables, and transporting the root backward, and a container loading means for storing the transported root. In a similar harvesting machine, a container drop-off preventing means is provided between a root transport means and a container loading means, and a space for removing foreign matter is provided between the root transport means and the container drop-off preventing means. A harvesting machine for root vegetables.