JP5995502B2 - Vegetable harvesting machine - Google Patents

Description

  The present invention provides a traveling unit provided at the lower part of the machine body, a scraping part provided at the foremost part of the machine body, a vegetable transporting unit provided continuously behind the scraping unit, and vegetables from the vegetable transporting unit in a container. And a container transport unit that transports the container to a storage position to be packed, and a vegetable harvesting machine that harvests vegetables from a field while driving the traveling unit and advancing the machine body. The present invention relates to a configuration of a container stand that can be securely loaded and taken out.

  Conventionally, in a vegetable harvesting machine in which vegetables such as onions and potatoes pulled out from the field and placed on the ground are crammed while running and packed into containers, a container stand for loading empty containers is placed on the machine body, An anti-tip member is provided at the front end and one left and right end of the container base, and an empty container can be pulled out backward using the anti-tip member at the front end (hereinafter referred to as “front anti-tip member”). (See, for example, Patent Document 1). This prevents the container on the container stand from collapsing and popping out, and without having to interrupt the harvesting operation, the empty container loaded on the container stand can be easily pulled out and transported to the storage position where vegetables are packed into the container. can do.

JP 2007-61012 A

  In recent years, large-scale agriculture has been promoted from the viewpoint of productivity improvement, and the area of the field to be worked on by the vegetable harvesting machine has been greatly expanded. Therefore, there is a strong demand for improving the harvesting workability by raising the upper limit of the container loading capacity to the vegetable harvesting machine and making the container replenishment frequency as low as possible. And when increasing the loading area of a container in order to increase the said loading capacity upper limit, it is preferable to expand a left-right width rather than the front-back length of a container stand from a viewpoint of ensuring the turning performance and running stability of a body.

  On the other hand, in the above technique, the container base is installed in an inclined posture so that a fall prevention member (hereinafter referred to as a “side fall prevention member”) provided at one end of the left and right sides is lowered. The container is placed close to the prevention member to prevent the container from falling to the side to prevent the collapse of the cargo. Therefore, when multiple rows of containers are stacked in the left-right direction with the left-right width expanded, the rows of containers that are separated from the side-to-side fall prevention member and are not in direct contact (hereinafter referred to as “non-contact containers”) However, due to sudden acceleration at the time of stopping and large vibration during traveling, it jumps out from the left and right other sides without side-fall prevention members, the harvesting work is interrupted, or the container touches the aircraft etc., and is damaged. There was a problem.

  Further, in the above technique, the forward overturn prevention member is configured by a rod-like body bent at a midway portion, and the rod-like body is in contact with the forefront surface of the container. Is. For this reason, when the container is pulled out rearward by operating the forward fall prevention member, a rotational moment is applied to the container around the contact portion, and in particular, the non-contact container collapses while rotating. There was a problem that the harvesting operation was interrupted and the aircraft was damaged.

The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.
According to claim 1, from the traveling unit provided in the lower part of the machine body, the scraping part provided in the foremost part of the machine body, the vegetable transport unit provided continuously behind the scraping unit, and from the vegetable transport unit In a vegetable harvesting machine that harvests vegetables from a field while driving the traveling unit and advancing the machine body, the container conveying unit includes a container conveying unit that conveys the container to a storage position for packing vegetables into the container. On the side, a first container stand for storing the container is provided, and left and right side overturning prevention members are disposed on both left and right ends of the first container stand, and at the front end of the first container stand, A frame-shaped forward tipping prevention member slidable in the front-rear direction is disposed , a guide portion extending in the front-rear direction is provided on one side of the left side of the first container base, and the tipping slide is provided on the front tipping prevention member. Forming a moving part, The container base of the guide portion is obtained by a configuration in which tilting sliding portion of the front tipping prevention member is in contact with.
In Claim 2, the working part for said vegetable conveyance part maintenance and the 2nd container stand are provided in the left-right opposite side of said 1st container stand, and this 2nd container stand is drive-controlled by the body rear part. Between the operation unit that performs the above operation and the working unit, and is disposed close to both the operation unit and the working unit.
In Claim 3, the field scene where a vegetable packed container is lowered is set as a reference position, and the height from the reference position to the lowest end position of the container stand is set to the highest end position of the container packed with vegetables from the reference position. It is configured to be higher than the height up to.
According to a fourth aspect of the present invention, the container base is installed in an inclined posture so that the left and right inner sides are lower than the left and right outer sides.

Since this invention was comprised as mentioned above, there exists an effect shown below.
That is, according to claim 1, even if a plurality of rows of containers are stacked in the left-right direction by expanding the left-right width of the first container base in order to increase the upper limit of the container loading capacity, the movement of the plurality of rows of containers to the left and right Can be reliably regulated by the side overturn prevention member, and the container does not jump out of the first container base due to sudden acceleration at the time of stopping and large vibration during traveling. Further, when the container is pulled out rearward by operating the forward fall prevention member, the forward fall prevention member is in a state where the tilting sliding portion of the forward fall prevention member is in contact with the guide portion of the first container base. Since it slides back, stabilization of the movement of the said forward fall prevention member can be aimed at. Furthermore, since the forward toppling prevention member has a frame shape, a contact portion can be secured over a wide range of the forefront of the container, and the container does not rotate and cause collapse of the load. As a result, a large number of containers can be reliably loaded on the first container stand and taken out without interrupting the harvesting operation.
According to the second aspect, the upper limit of the container loading capacity can be further increased by the second container stand, the frequency of container replenishment can be reduced, and the harvesting workability can be further improved. In addition, the second container base can be installed using an empty space between the working unit and the operation unit, so that a large design change is not required and the manufacturing cost can be reduced. Furthermore, since the second container table is close to both the work unit and the operation unit, the movement of the container from the second container table to the first container table can be performed by a worker in the work unit or the operation unit with a short movement. The work efficiency can be improved.
According to claim 3, the container table that is being worked on does not come into contact with the container that has been previously stored and lowered onto the basket, and the container, the vegetables that protrude from the container, and the container table are damaged. Can be surely prevented.
According to claim 4, it is possible to suppress the container from falling to the outside by causing the container to lean against the left and right inner side fall prevention members, particularly when the containers are not stacked in multiple rows. Even if the side-to-side fall prevention member is not disposed on the left and right sides, the container can be prevented from tipping to the outside.

It is a side view which shows the whole structure of the vegetable harvester concerning this invention. It is also a plan view. It is a back view similarly. It is a back perspective view of a main container stand. FIG. 5A is a partial perspective view of the main container base, and FIG. 5B is a plan view of the vicinity of the support of the front overturn prevention member. It is a top view around a reserve container stand. It is a rear view of the vegetable harvester of another form.

  Hereinafter, embodiments of the present invention will be described in detail. In addition, the direction shown by the arrow F in FIG. 1 is the machine body advancing direction of the vegetable harvesting machine 1, and the positions and directions of the members described below are based on this advancing direction.

  First, the whole structure of the vegetable harvester 1 concerning this invention is demonstrated with reference to FIG. 1 thru | or FIG. The vegetable harvesting machine 1 is configured to be self-propelled with an engine 8 mounted on the left side of the rear part of the machine body, and the power from the engine 8 is transmitted to the traveling part 2 at the lower part of the machine body through a transmission (not shown). Then, the traveling unit 2 is driven and the aircraft advances along the saddle 9.

  Furthermore, a vegetable scraping portion 3 such as an onion is disposed at the foremost portion of the machine body, and a vegetable transporting section 4 is formed at a front low and high height from below the scraping portion 3 to the rear of the machine body. And the container conveyance stand 13 of the container conveyance part 5 explained in full detail behind is arrange | positioned diagonally below the conveyance termination | terminus part by this vegetable conveyance part 4. FIG.

  The traveling unit 2 includes left and right crawler traveling devices 15 and 15, and the crawler traveling device 15 includes a driving sprocket 17, a driven sprocket 18, wheels 19, 19..., A crawler belt 20, a track. A frame 21 and a lifting mechanism (not shown) are provided. As a result, when the power from the engine 8 is transmitted to the drive sprocket 17, the crawler belt 20 wound between the sprockets 17 and 18 rotates in the groove 22 between the flanges 9. The traveling devices 15 and 15 move forward.

  The left and right machine frames 16L and 16R are supported by the crawler traveling devices 15 and 15 so that the vegetable harvesting machine 1 can travel. In addition, in the present Example, although the said traveling part 2 is comprised with the crawler type, a wheel type may be sufficient and the form is not specifically limited.

  In the scraping portion 3, left and right support arms 23L and 23R extend in the longitudinal direction of the machine body, and a drive shaft 26 of the scraping device 25 is horizontally mounted on the front ends of the support arms 23L and 23R. On the other hand, the rear end portions of the support arms 23L and 23R are pivotally supported by the middle portions of the transport drive cases 28 and 28 via the arm rotation support portions 27 and 27 so as to be vertically rotatable. A scraping drive case 24 is provided on the outer surface of the left support arm 23L among the support arms 23L and 23R.

  Here, support pillars 37 and 37 are erected from the rear part of the left and right body frames 16L and 16R, and left and right case rotation support parts 36 and 36 are provided at upper ends of the support pillars 37 and 37, respectively. A rear end portion of the scraping drive case 24 is pivotally supported by the left case rotation support portion 36.

  The scraping drive case 24 includes a drive sprocket 46, a driven sprocket 47, and a drive chain 48.

  The drive sprocket 46 is fixed to the left end portion of the drive shaft 40 rotatably supported between the rear end portions of the conveyance drive cases 28 and 28, and the driven sprocket 47 is scraped. Fixed to the drive shaft 26 of the device 25.

  The drive chain 48 is wound between the drive sprocket 46 and the driven sprocket 47, and the power from the engine 8 is transmitted through the drive sprocket 46, the drive chain 48, and the driven sprocket 47. It is transmitted to the drive shaft 26.

  In the scraping device 25, left and right rotating wheels 30 and 31 are fixed to both ends of the drive shaft 26, and arms 30a and 31a are respectively provided on the rotating wheels 30 and 31 so as to protrude in four radial directions. Yes. A support shaft 32 is horizontally mounted between the front portions of the left and right arms 30a and 31a, and the scraping body 12 is rotatably attached to the support shaft 32. The drive shaft 26 is driven to rotate.

  Thus, when the driving device 25 is driven to rotate by the power from the engine 8 when the scraping device 25 is brought close to the basket 9, the scraping device 25 is scraped in the counterclockwise direction 34 when viewed from the left side of the vegetable harvesting machine 1. The embedded bodies 12, 12... Are rotated to scrape the vegetables placed on the basket 9 and guide them to the vegetable conveying section 4 provided continuously. The scraper 12 is preferably formed of an elastic member such as rubber or vinyl resin so that the vegetables are not damaged when scraped.

  In the vegetable transport section 4, the left and right transport drive cases 28, 28 extend in the longitudinal direction of the machine body, and a transport device 33 is interposed between the transport drive cases 28, 28.

  In the transport drive cases 28 and 28, rear ends thereof are pivotally supported by the case rotation support portions 36 and 36, and between the front and rear intermediate portions of the transport drive cases 28 and 28 and the body frames 16L and 16R. A hydraulic cylinder 38 is interposed.

  Thus, by operating the hydraulic cylinder 38, the conveyance drive cases 28 and 28 are moved up and down around the case rotation support portions 36 and 36, and the conveyance drive cases 28 and 28 are moved relative to the body frames 16L and 16R. The relative height can be adjusted.

  The transport device 33 includes left and right drive sprockets 39 and 39, left and right driven rollers 41 and 41, left and right transport chains 42 and 42 configured as endless belts, and transport that is horizontally mounted between the transport chains 42 and 42. It is comprised by member 44 * 44 ... etc.

  Of these, the drive sprockets 39 and 39, the driven rollers 41 and 41, and the transport chains 42 and 42 are built in the transport drive cases 28 and 28, and the front and rear ends of the transport drive cases 28 and 28, The driven rollers 41 and 41 and drive sprockets 39 and 39 are arranged, respectively.

  The drive sprockets 39 and 39 are fixed to both left and right ends of the drive shaft 40, and the driven rollers 41 and 41 are rotatably supported at the front end portions of the transport drive cases 28 and 28. .

  The conveying chain 42, 42 is wound between the driving sprocket 39, 39 and the driven roller 41, 41, and the conveying member 44, 44 ... is between the left and right conveying chains 42, 42. Are horizontally mounted in parallel with a predetermined interval in the longitudinal direction of the machine body to form a bowl-shaped transport surface.

  As a result, when the drive sprockets 39 and 39 are rotationally driven by the power from the engine 8, the transport members 44, 44... On the transport surface face the transport direction indicated by the arrow 45 by the transport chains 42 and 42. The vegetables on the conveying members 44, 44... Are conveyed backward.

  In the configuration as described above, while moving forward with the crawler traveling devices 15, 15, the vegetables pulled out from the basket 9 and placed on the basket 9 are scraped by the scraping device 25 and moved backward by the transport device 33. By carrying, vegetables can be dropped and stored in the container 10 on the container carrying table 13.

  Next, the container transport unit 5 will be described with reference to FIGS. The container transport unit 5 is provided on the right side of the machine body and stores a main container table 6 on which an empty container 10 is loaded and stored, and the container 10 manually pulled out from the main container table 6 rolls to a storage position 14 for transport. And the container carrier 13.

  As shown in FIGS. 1 to 3, the container transport table 13 is arranged in the left-right direction of the body above the crawler travel devices 15, 15 below the transport device 33 and at the left and right sides of the body frame 16 </ b> L. -It is pivotally supported by the rear part of 16R, and can be stored by rotating upward. An operation unit 29 that performs control operations for the crawler travel devices 15, 15, the scraping device 25, the transport device 33, and the like is disposed on the upper left side of the container transport table 13.

  Such a container transport table 13 is divided into a plurality of parts, and a first transport table 13a, a second transport table 13b, and a third transport table 13c are connected in order from the right. Of these, the first transport table 13a and the second transport table 13b have a plurality of rollers 49 arranged so as to be rotatable about a support shaft in the longitudinal direction of the machine body, and a transport surface on which the container 10 is transported in the lateral direction of the machine body. Is formed. Furthermore, with respect to the second transfer table 13b having the substantially horizontal transfer surface at the storage position 14, the transfer surface of the first transfer table 13a is inclined so that the main container table 6 side becomes higher.

  Thus, when the container 10 pulled out from the main container table 6 is placed on the first transfer table 13a, the container 10 is moved to the second transfer table 13b where the storage position 14 is located with a small force. Therefore, the load of the moving operation of the empty container 10 can be reduced.

  Then, the vegetables 11 from the rear end of the transfer device 33 are dropped and stored in the container 10 on the second transfer table 13b through a drop chute 52 provided on the right side of the operation unit 29. .

  On the other hand, a plurality of rollers 50 are disposed on the third transport table 13c so as to be rotatable about a support shaft in the left-right direction of the machine body, and a transport surface on which the container 10 is transported in the front-rear direction of the machine body is formed. As for the conveyance stand 13c, the front stand 13c1 and the back stand 13c2 are connected in series.

  The front part of the rear base 13c2 is rotatably supported by the rear part of the front base 13c1 via a fulcrum shaft 53, and a spring 54 is stretched between the front base 13c1 and the rear base 13c2. Usually, the rear base 13c2 is rotated upward about the fulcrum shaft 53 by the spring 54, and the front base 13c1 and the rear base 13c2 are arranged on substantially the same horizontal plane at the position 55.

  Thereby, the container 10 with vegetables (hereinafter referred to as “container 10A”) in which the vegetables 11 are stored on the second transport table 13b is pushed leftward and moved to the third transport table 13c. When the center of gravity of the container 10A is pulled out to a position behind the fulcrum shaft 53, the rear portion of the rear base 13c2 rotates downward from a position 55 to a position 56 due to its own weight.

  Then, the container 10A slides down on the rear platform 13c2 that is inclined and is automatically placed on the basket 9. When the container 10A on the rear stage 13c2 runs out, the rear stage 13c2 rotates upward by the elastic force of the spring 54 and returns to the original position 55.

  In such a configuration, the empty container 10 pulled out from the main container table 6 is easily moved to the storage position 14 to store the vegetables 11, and then the container 10A containing the vegetables is placed on the basket 9. It is possible to slide down easily and quickly, and it is possible to improve the efficiency of the lowering operation of the container 10A.

  Further, in the main container base 6, as shown in FIGS. 2 to 4, a rear mounting tool 66 is fastened and fixed to the rear side surface of the column 37, and a rear support stay 61 is supported on the rear mounting tool 66. The shaft 68 is supported so as to be rotatable up and down. A front mounting tool 65 is fastened and fixed to the right body frame 16R in front of the rear mounting tool 66, and the front support stay 60 can also be rotated up and down around the support shaft 67 in the front mounting tool 65. It is supported by.

  Further, the rear support stay 61 extends rightward, and both ends 63a and 63b on the open side of the U-shaped main frame 63 on the plan view are fixedly provided on the front surfaces of the left and right ends. A long plate piece mounting stay 62 is suspended from the beam portion 63c of the main frame 63. Between the rear surface of the mounting stay 62 and the front surface of the rear support stay 61, five intermediate bars 64. 64... Are arranged in parallel at substantially equal intervals in the left-right direction of the machine body.

  In addition, the upper surface of the front support stay 60 extended to the right from the front fixture 65 is joined to the lower surface of the main frame 63 and the intermediate bars 64, 64. A container base 6 is formed.

  As a result, the main container base 6 expands substantially horizontally outward by rotating the support stays 60 and 61 downward about the support shafts 67 and 68, and conversely, The support stays 60 and 61 are pivoted upward about 67 and 68 so that they can be folded to the airframe side.

  Here, when loading the container 10 on such a main container stand 6, as shown in FIGS. 2 and 3, the opening of one container 10 and the opening of another container 10 are overlapped to form a pair. The container pairs 10a are stacked in a plurality of rows in the longitudinal direction of the machine, and in the horizontal direction of the machine, two rows are loaded from the conventional single row to increase the upper limit of the loading capacity of the container 10.

  In the left column, the long side of the container 10 is set to the left and right direction of the aircraft, and four rows of containers 10 are stacked in the vertical direction and four rows in the longitudinal direction of the aircraft, and the short side of the container 10 is set in the right column. The container 10 is loaded in four rows in the vertical direction and three rows in the longitudinal direction of the aircraft in the horizontal direction of the aircraft.

  Further, another container 10 having a long side in the vertical direction is accommodated inside the container pair 10a, so that the upper limit of the loading capacity of the container 10 is further increased.

  At this time, if the lowest level of the container 10 is the first level and the highest level is the fourth level, the inside of the first level and the second level container 10 and the third level and the fourth level container 10 Since different containers 10 are stored, it is extremely effective in preventing the displacement of the containers 10 between the first-stage container 10 and the second-stage container 10 or between the third-stage container 4 and the fourth-stage container 10.

  Further, as shown in FIGS. 3 to 5, left and right side overturn preventing members 57 and 58 are disposed on the main container base 6 at the front end of the main container base 6. The forward fall prevention member 59 is arranged.

  Of these, the left-side falling prevention member 57 is formed in a substantially portal shape in a side view, and a main frame 69 having a tilted portion 69b formed by bending a vertical portion 69a on the front side obliquely downward in the middle and the main frame 69. The upper and lower intermediate frames 70 and 71 that connect and reinforce between the vertical portion 69a and the rear vertical portion 69c.

  Further, the lower portion of the vertical portion 69c is fixed to the front surface of an L-shaped mounting frame 74 fixed to the rear column 37 of the body frame 16R, and the lower end of the inclined portion 69b is It is fixed on the front part of the body frame 16R in the vicinity of the support stay 60.

  Thereby, the main frame 69 reinforced to increase rigidity is fixedly supported on the front and rear portions of the body frame 16R, and the left-side fall prevention member 57 is firmly erected and supported on the left end of the main container base 6. be able to.

  The right-side falling prevention member 58 also includes a main frame 75 that is substantially gate-shaped in side view, and an intermediate frame 76 that connects and reinforces the front vertical portion 75a and the rear vertical portion 75b of the main frame 75. Consists of

  Further, the lower part of the vertical part 75a and the lower part of the vertical part 75b are respectively connected to the right front corner part 63d and the right end part 63b of the main frame 63 of the main container base 6 via the front connector 77 and the rear connector 78, respectively. It is supported so that it can rotate left and right.

  As a result, the main frame 75 reinforced and stiffened is pivotally supported on the right front and rear portions of the main frame 63 of the main container base 6 so that the right-side fall prevention member 58 is placed on the right side of the main container base 6. It is erected so that it can be folded.

  Therefore, as in the present embodiment, the left and right widths of the main container base 6 are enlarged to increase the upper limit of the loading capacity of the containers 10, and even when multiple rows of containers 10 in the left and right directions of the machine body and two rows of containers 10 are loaded in this embodiment. The left and right lateral fall prevention members 57 and 58 can reliably restrict the left and right movement of the container 10.

  The front toppling prevention member 59 includes a U-shaped main frame 80 opened to the right and a right and left reverse L-shaped belt-like plate 81 connecting the upper right end and the lower right end of the main frame 80. It is formed in the frame shape which consists of.

  As shown in FIG. 3, at least a part of such a front toppling prevention member 59 can be brought into contact with the front surface of the plurality of container pairs 10 a loaded on the main container table 6 from the front. The size and position of the fall prevention member 59 are set.

  Thus, as described above, the front tipping prevention member 59 can be brought into contact with the forefront of the container pair 10a that is prevented from being displaced by the internal container 10 as described above, and the container 10 is operated by operating the front tipping prevention member 59. When pulling out the container backward, the rotational moment is unlikely to act on the container 10 and the collapse of the container 10 can be prevented.

  Further, in the inclined portion 80 a below the lower corner portion of the main frame 80, the upper end of the guide stay 79 is fastened and fixed to the lower end together with the lower end of the belt-like plate 81. The middle portion of the guide stay 79 is bent from the diagonally lower left side to the diagonally lower right side to form an L shape when viewed from the back, and an inclined sliding portion 79a is formed at the extended portion.

  The tilting sliding portion 79a is in contact with the diagonally upper right side surface of the guide portion 63e extending in the longitudinal direction of the machine body on the left side of the main frame 63.

  Thereby, when operating the forward fall prevention member 59 and pulling out the container 10 rearward, the tilting sliding portion 79a can be slid back and forth along the guide portion 63e, and the forward and backward movement prevention member 59 can be moved back and forth. Stabilize.

  In addition, the upper portion of the tilting portion 80 a of the main frame 80 is inserted into the support tool 82 so as to be substantially horizontally rotatable, and the support tool 82 is fixed to the front end of the operation pipe 72. Further, a storage position pin hole 82b and a work position pin hole 82c are drilled in the upper flat plate portion 82a of the support 82 at a position opened about 90 degrees around the rotation axis 80a1 of the main frame 80. On the other hand, a frame support stay 139 is fitted and fixed to the upper portion of the tilting portion 80a, and the frame support stay 139 can rotate substantially horizontally on the upper flat plate portion 82a together with the main frame 80. I am doing so. Then, the lock pin 138 is passed through the outer end portion of the frame support stay 139 from above and is inserted into the storage position pin hole 82b or the work position pin hole 82c, whereby the main frame 80 is positioned at the position 142 or 143. Can be fixed to.

  A lever portion 72 a for gripping and operating is formed at a portion bent downward at the rear end portion of the operation pipe 72. On the other hand, the horizontal portion of the operation pipe 72 includes a through hole 74a at the upper end of the mounting frame 74, a guide hole 86a in the guide ring 86 fastened and fixed in the vicinity thereof, a through hole 84a in the upper part of the guide tool 84, A guide hole 85a of the guide ring 85 fastened and fixed in the vicinity is inserted so as to be rotatable and slidable.

  The guide tool 84 is erected from the rear portion of the intermediate frame 71, and a guide bar 88 extends rearward from the fixing plate 87 at the lower end of the vertical portion 69a to the vicinity of the guide hole 85a of the guide tool 84. It is. The outer diameter of the guide bar 88 is smaller than the inner diameter of the operation pipe 72, the guide bar 88 is inserted into the operation pipe 72 from the front, and the operation pipe 72 extends along the guide bar 88. It can be moved back and forth.

  A guide wheel stay 92 having a Z-shape in front view is fitted to the tilted portion 80a below the support 82 so as to be movable up and down with a bolt 93 as a lower limit, and below the guide wheel stay 92, A guide wheel 91 that can roll in the longitudinal direction of the machine body is supported rotatably along the obliquely upper right side surface of the intermediate frame 71. A spring 94 is wound around the inclined portion 80 a between the guide wheel stay 92 and the support member 82 in a compressed state, and the upper plate portion 82 a of the support member 82 is elastically applied by the spring 94. Is constantly biased toward the frame support stay 139 so that the lock pin 138 is not pulled out.

  Thereby, the operation of the forward fall prevention member 59 is performed by holding the lever portion 72a of the operation pipe 72 and moving it back and forth. At this time, the horizontal portion of the operation pipe 72 includes through holes 74a and 84a, guide holes 85a and 86a, the guide bar 88, and the guide wheel 91 buffered by the spring 94 can be slid back and forth between the foremost position 89 and the last position 90. Can be further stabilized.

  That is, the traveling unit 2 provided at the lower part of the machine body, the scraping part 3 provided at the foremost part of the machine body, the vegetable transporting part 4 provided continuously behind the scraping part 3, and the vegetables from the vegetable transporting part 4 In a vegetable harvesting machine 1 that includes a container transporting unit 5 that transports the container 10 to a storage position 14 that packs the container 11 into the container 10 and that harvests the vegetables 11 from the field while driving the traveling unit 2 to advance the machine. The container transport section 5 is provided with a main container stand 6 as a first container stand for storing the container 10 on one side of the machine body, on the right side in the present embodiment. In addition, left and right side overturn prevention members 57 and 58 are arranged, and a frame-like forward overturn prevention member 59 is arranged at the front end of the main container base 6 so as to be movable back and forth. In order to increase Even if a plurality of rows of containers 10 are stacked in the left-right direction of the body by expanding the left-right width of the tena table 6, even if two rows of containers 10 are stacked in this embodiment, the side-to-side movement prevention member 57 58 can be surely regulated, and the container 10 does not jump out of the main container base 6 due to sudden acceleration at the time of stopping and large vibration during traveling. Furthermore, when the container 10 is pulled out rearward by operating the front toppling prevention member 59, the frame-like body can secure a contact portion over a wide range of the forefront surface of the container 10, and the container 10 rotates. There will be no cargo collapse. Thus, the harvesting operation is not interrupted and the container 10 does not come into contact with the machine body and is damaged, so that a large number of containers 10 can be reliably loaded and taken out from the main container base 6 of the machine body.

  When such a main container table 6 is not used, first, the right-side falling prevention member 58 is turned inward and folded on the main container table 6. Subsequently, as shown in FIG. 5, after sliding the forward fall prevention member 59 to the foremost position 89, the lock pin 138 is removed from the work position pin hole 82c, and then the main frame 80 is gripped. Then, the spring 94 is pulled up in the direction of the arrow 140 against the elastic force of the spring 94, and then rotated substantially horizontally in the direction of the arrow 141 from the position 143 to the position 142. Then, again, the lock pin 138 is passed through the outer end of the frame support stay 139 from above, and is inserted into the storage position pin hole 82b, whereby the front overturning prevention member 59 is rotated rearward to the left side. Fold the outside of the fall prevention member 57. Subsequently, the main container base 6 is rotated upward about the support shafts 67 and 68 and is held by a hook (not shown), whereby a right side fall prevention member 58 and a forward fall prevention member 59 are secured. , And the main container base 6 can be folded and stored outside the left-side falling prevention member 57 fixed to the right side of the machine body.

  Next, the spare container stand 7 will be described with reference to FIGS. 1 to 3 and FIG. The spare container stand 7 is provided on the left side of the machine body. When the container 10 on the main container stand 6 runs short, the container 10 on the spare container stand 7 is moved to the main container stand 6 and replenished. To do.

  In such a spare container stand 7, two support bars 95, 97 are erected in order from the front in the rear half of the left machine frame 16L, and a base frame 98 is provided at the upper ends of the support bars 95, 97. Is provided horizontally in the longitudinal direction of the aircraft. Furthermore, a U-shaped attachment 96 in a rear view is attached to the body frame 16L between the upper ends of the support bars 95 and 97, and a bolt is provided between the attachment 96 and the operation panel 133 of the operation portion 29. It is fastened and fixed by 134.

  Front and rear support stays 99 and 100 are supported on the base frame 98 so as to be pivotable up and down about support shafts 136 and 137 at the right end, and the inclination angle thereof is determined between the base frame 98 and the support stay 99. -It can be adjusted by a bolt 135 interposed between them. The rear support stay 100 is extended to the left, and both ends 101a and 101b on the open side of the U-shaped main frame 101 in a plan view are fixedly provided on the front surfaces of the left and right ends. A long plate piece mounting stay 102 is suspended from the beam portion 101c of the main frame 101, and three intermediate bars 103 and 103 are provided between the rear surface of the mounting stay 102 and the front surface of the rear support stay 100. -103 are arranged in parallel in the left-right direction of the machine body at substantially equal intervals.

  And the upper surface of the front support stay 99 extended rightward is joined to the lower surface of the main frame 101 and the intermediate | middle bar 103 * 103 * 103 middle part before and behind, and the said preliminary | backup container stand 7 is formed.

  When the containers 10 are loaded on the spare container stand 7, the container 10 is loaded with four rows in the vertical direction and three rows in the longitudinal direction of the machine, with the long side of the container 10 being the left and right directions of the machine. Another container 10 is accommodated inside a container pair 10a in which the opening of the other container 10 and the opening of another container 10 are overlapped.

  Further, like the main container table 6, the spare container table 7 is provided with left and right side overturning preventing members 104 and 105 at the left and right side ends thereof. A fall prevention member 106 is disposed.

  Of these members, the left-side falling prevention member 104 is formed in a substantially portal shape when viewed from the side, and includes a main frame 107 and a substantially horizontal intermediate frame 108 that connects and reinforces the front and rear vertical portions of the main frame 107. Is done. The lower portions of the front and rear vertical portions of the main frame 107 are detachable on the left frame portion 101d of the main frame 101 of the spare container base 7 via the front connector 109 and the rear connector 110, respectively. It is supported.

  Similarly, the right-side falling prevention member 105 is also composed of a main frame 111 that is substantially gate-shaped when viewed from the side, and an intermediate frame 112 that connects and reinforces the front and rear vertical portions of the main frame 111. The lower portions of the front and rear vertical portions of the main frame 111 are fixed on the base frame 98 via a front connector 113 and a rear connector 114, respectively.

  As a result, the left and right side fall-preventing members 104 and 105 can be erected on both the left and right sides of the spare container base 7, and the movement of the container 10 loaded on the spare container base 7 to the left and right is reliably regulated. be able to.

  The front toppling prevention member 106 includes a main frame 115 that is substantially gate-shaped when viewed from the front, and an intermediate frame 116 that connects and reinforces the left and right vertical portions of the main frame 115. The lower portions of the left and right vertical portions of the main frame 115 are supported by the beam portion 101c of the main frame 101 of the spare container base 7 via a plurality of connectors 117 so as to be able to rotate back and forth.

  Thereby, the front toppling prevention member 106 can be erected on the front side of the spare container base 7 so as to be foldable, and the forward movement of the container 10 loaded on the spare container base 7 can be reliably regulated. .

  When such a spare container base 7 is not used, first, the left-side falling prevention member 104 is detached from the spare container base 7, and then the forward tipping prevention member 106 is rotated rearward so that the spare container base 7 By folding the spare container base 7 upward about the support shafts 136 and 137 and holding the spare container base 7 on a hook (not shown), the forward fall prevention member 106 and the spare container are folded. The base 7 can be folded and stored outside the right-side falling prevention member 105 fixed to the left side of the machine body.

  Further, such a spare container base 7 is disposed close to the rear of the working unit 118. The working unit 118 is a part that removes unnecessary objects such as leaves, vines, and wounds on the transport surface of the transport device 33 from the transport device 33, and includes a step 119, a seat 120, and the like.

  Of these steps, step 119 includes a flat plate portion 119a that an operator enters and a standing plate portion 119b that stands up from the inner edge of the flat plate portion 119a, and the lower surface of the flat plate portion 119a is connected to the front and rear. It is supported by the front half part of the left body frame 16L via the tools 121 and 122. As described above, the spare container base 7 is disposed through the support bars 95 and 97 in the rear half of the left body frame 16L.

  The seat 120 is coupled to the upper end of the pole 123 so as to be substantially horizontally rotatable, and the pole 123 is erected from the position of the front and rear substantially central portion at the left end portion of the upper surface of the flat plate portion 119a of the step 119. .

  As a result, the operator can perform an operation of removing unnecessary objects conveyed on the conveyance surface of the conveyance device 33 while sitting on the seat 120 at a position immediately in front of the spare container base 7.

  Further, in the vicinity of the right side of the spare container base 7, the operation unit 29 for operating the operation tools such as the side clutch lever 124 and the travel speed change lever 125 is disposed.

  As a result, the operator can perform control operations of the crawler travel devices 15, 15, the scraping device 25, the transport device 33 and the like while standing at the right position of the spare container base 7. it can.

  That is, on the opposite side of the main container table 6 as the first container table, a maintenance working unit 118 for the vegetable transport unit 4 and a spare container table 7 as the second container table are provided, The spare container base 7 is interposed between the operation unit 29 that performs drive control operation at the rear of the machine body and the working unit 118, and is disposed close to both the operation unit 29 and the working unit 118. Further, the upper limit of the loading capacity of the container 10 can be further increased by the spare container stand 7 to reduce the replenishment frequency of the container 10 and further improve the harvesting workability. In addition, the spare container base 7 can be installed by utilizing the empty space between the working unit 118 and the operation unit 29, so that a large design change is not required and the manufacturing cost can be reduced. . Furthermore, since the spare container stand 7 is close to both the working unit 118 and the operation unit 29, the movement of the container 10 from the spare container stand 7 to the main container stand 6 is performed by an operator in the work unit 118 or the operation unit 29. It can be performed with a short flow line, and work efficiency can be improved.

  Next, the set height of the container bases 6 and 7 will be described with reference to FIG. In the main container base 6, the lowermost end is the lower of the lower ends of the front and rear support stays 60 and 61, and the lowermost end from the position (hereinafter referred to as “reference position”) 126 of the upper surface 9 a of the flange 9. The height (hereinafter referred to as “container height”) 129 to the position 127 is higher than the height (hereinafter referred to as “container height”) 130 from the reference position 126 to the uppermost position 128 of the container 10A. It is set to be high.

  The lower end of the spare container stand 7 is also the lower of the lower ends of the front and rear support stays 99, 100. In this embodiment, the height of the container stand from the reference position 126 to the lowest end position 131 is used. 132 is set higher than the container stand height 129 of the main container stand 6.

  Accordingly, during operation, even if the container bases 6 and 7 are run with the left and right sides extended or turned, the right and left positions of the container 10A lowered onto the bar 9 of the previous strip are optimized, so that the container base Either 6 or 7 can be prevented from touching.

  That is, the upper surface 9a of the basket 9 which is a field scene where the container 10A filled with vegetables is lowered is set as the reference position 126, and the container table heights 129 and 132 from the reference position 126 to the lowest end position 127 of the container table 6 and 7 are displayed. Is configured to be higher than the container height 130 from the reference position 126 to the uppermost end position 128 of the container 10A filled with vegetables, so that the container 10A that has previously stored the vegetables 11 and has been lowered onto the basket 9 is used. The container tables 6 and 7 in operation are not in contact with each other, and the container 10, the vegetables 11 protruding from the container 10, and the container tables 6 and 7 can be reliably prevented from being damaged.

  Next, another embodiment of the vegetable harvesting machine 1 described above will be described with reference to FIG. The vegetable harvesting machine 1A shown in FIG. 7 installs the container bases 6 and 7 in the vegetable harvesting machine 1 so that the left and right inner sides are lower than the left and right outer sides. The fall prevention member 104 is omitted.

  In the vegetable harvesting machine 1A, the main container stand 6 is adjusted such that the left and right inner sides are lower than the left and right outer sides by adjusting the support stays 60 and 61 to a predetermined inclination angle around the support shafts 67 and 68. The spare container stand 7 is installed in an inclined posture, and the left and right inner sides are also lower than the left and right outer sides by adjusting the support stays 99 and 100 to a predetermined inclination angle around the support shafts 136 and 137. It is installed in an inclined position.

  Thereby, in any of the container bases 6 and 7, the container 10 can be made to lean against the lateral fall prevention members 57 and 105 on the left and right inner sides. In particular, in the case of the spare container stand 7 in which the left and right widths are narrow and the container 10 can be loaded in only one row, as in the conventional case, the right side fall prevention member 105, which is the lower side fall prevention member, is moved outward. Since the container 10 can be sufficiently prevented from falling, the left side falling prevention member 104 which is a high side falling prevention member can be omitted.

  That is, since the container bases 6 and 7 are installed in an inclined posture so that the left and right inner sides are lower than the left and right outer sides, the container 10 is placed close to the left and right inner side fall prevention members 57 and 105 to In particular, when the containers 10 are not stacked in a plurality of rows, the left-side fall prevention member 104 that is a side-fall prevention member is not disposed on the left and right sides. However, it is possible to sufficiently prevent the container from falling outward.

  The present invention provides a traveling unit provided at the lower part of the machine body, a scraping part provided at the foremost part of the machine body, a vegetable transporting unit provided continuously behind the scraping unit, and vegetables from the vegetable transporting unit in a container. And a container transport unit that transports the container to the storage position, and can be applied to all vegetable harvesters that drive the traveling unit to harvest vegetables from the field while advancing the machine body.

DESCRIPTION OF SYMBOLS 1 Vegetable harvesting machine 2 Traveling part 3 Scraping part 4 Vegetable conveyance part 5 Container conveyance part 6 Main container stand (1st container stand)
7 Spare container stand (second container stand)
8 Operation part 9a Top surface of the ridge (farm scene)
DESCRIPTION OF SYMBOLS 10 Container 10A Container filled with vegetables 11 Vegetable 14 Storage position 57 * 58 Side torsion prevention member 59 Front torsion prevention member 118 Working part 126 Reference | standard position 127 Bottom end position 128 Top end position 129/132 Container stand height 130 Container height The

Claims (4)

A traveling part provided at the lower part of the machine body, a scraping part provided at the foremost part of the machine body, a vegetable transporting part connected to the rear of the scraping part, and a storage position for packing vegetables from the vegetable transporting part into the container And a container transport unit that transports the container to
In the vegetable harvesting machine that harvests vegetables from the field while driving the traveling part to advance the aircraft,
On the left and right sides of the container transport unit, a first container stand for storing the container is provided,
While arranging left and right side fall prevention members on the left and right side ends of the first container base,
At the front end of the first container base, a frame-shaped forward tipping prevention member that can slide in the front-rear direction is disposed ,
On the left and right sides of the first container base, provided with a guide portion extending in the front-rear direction,
A tilting sliding part is formed on the forward falling prevention member,
A vegetable harvesting machine characterized in that a tilting sliding portion of the forward fall prevention member is in contact with a guide portion of the first container stand .   Provided on the opposite side of the first container base to the vegetable transport section maintenance working section and a second container base, the second container base is an operation section for performing drive control operation at the rear of the machine body The vegetable harvesting machine according to claim 1, wherein the vegetable harvesting machine is disposed between the operation unit and the working unit, and is disposed close to both the operation unit and the working unit.   A field scene where a container filled with vegetables is taken as a reference position, and the height of the container stand from the reference position to the lowest end position of the container stand is defined as the container height from the reference position to the highest end position of the container filled with vegetables. The vegetable harvester according to claim 1 or 2, wherein the vegetable harvester is configured to be higher than the height.   4. The vegetable harvester according to claim 1, wherein the container stand is installed in an inclined posture so that the left and right inner sides are lower than the left and right outer sides.

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