JP3602845B2 - Agricultural harvester - Google Patents

Description

  The present invention relates to an agricultural product harvester, and more particularly to an agricultural product harvester for harvesting agricultural products of underground tubers such as sweet potatoes and potatoes.

  Conventionally, as this type of agricultural harvester, for example, a digging blade for digging agricultural products in a agricultural harvesting machine and a conveyor for transporting the agricultural products dug by the digging blade are provided, respectively, and the transport conveyor is unloaded. There is known a configuration in which a cargo bed is fixed to the rear portion of the agricultural product harvesting machine located rearward on the end side, and agricultural products carried out from the carry-out end of the transport conveyor are accommodated in a container placed on the cargo carrier.

  Then, the agricultural products dug by the excavating blade are transported by the transport conveyor, and are stored in the container from the unloading end of the transport conveyor, and when a predetermined amount of the agricultural product is stored in the container, the A container containing agricultural products is manually carried out from a loading platform on the traveling machine side, and the container is lifted onto a loading platform of a truck for transporting agricultural products, and is transshipped.

  However, in the configuration of the conventional agricultural machine, the carrier is fixed to the rear of the agricultural machine, and the carrier of the agricultural machine is generally lower than the height of the truck. The container containing the agricultural products must be manually carried out of the body of the aircraft and lifted, and the container must be lifted and reloaded on the truck bed.Transportation of the heavy container and transshipment of the container are labor intensive. It is not easy, and there is a risk of harm to the health of aging farm workers as in recent years.

  The present invention has been made in view of such a problem, and an object of the present invention is to provide an agricultural product harvester that can easily carry out and move agricultural products and transship these agricultural products.

請 Motomeko 1 agricultural harvesting machine according includes a self-propelled agricultural harvesting aircraft having a conveyor for conveying the excavated taken agricultural products by drilling up blade and the drilling-up blade takes digging agricultural backwards, the A loading platform on which the agricultural products transported by the transport conveyor are placed, and provided on the agricultural product harvesting machine, when loading the agricultural products on the loading platform, lower the loading platform to a position lower than the discharge end of the transport conveyor, Loading / unloading means for lifting and lowering the agricultural product to the reloading position on the unloading end side of the transport conveyor when unloading and reloading the agricultural product from the loading platform, wherein the loading platform is configured to move the agricultural product It moves to the center of gravity of the harvesting machine and tilts so that the reloading side of the agricultural product is lowered, and the transporting conveyor is unloaded by lowering to a position lower than the unloading end of the transporting conveyor. Inclined state in which the side is low, in which the folding movement in the state inclined to the rear end above the agricultural harvesting machine body by turning toward the front of the unloading end of the conveyor.

  Then, a predetermined amount of agricultural products, which are heavy in weight, placed on the loading platform by the loading platform elevating means, are moved upward from a position lower than the output end of the transport conveyor to a transfer position on the output end side of the transport conveyor, and these agricultural products are reloaded. The produce is easily carried out and moved in the carry-out direction, and these agricultural products are transshipped, for example, on a truck bed, so that the transshipment operation of these agricultural products is easily performed.

  Advantageous Effects of Invention According to the present invention, it is possible to provide an agricultural product harvester that can easily carry out and move a predetermined weight of agricultural products placed on a loading platform and reload the agricultural products.

  Hereinafter, the configuration of an embodiment of the present invention will be described with reference to the drawings.

  Reference numeral 1 denotes a self-propelled agricultural product harvesting machine. The agricultural product harvesting machine 1 includes a traveling frame 2, a crawler 3 provided at a lower portion of the traveling frame 2, and a machine frame 4 provided at an upper portion of the traveling frame 2. And a digging blade 5 for digging agricultural products, a conveyor 6 for conveying the agricultural products dug by the digging blade 5 backward, and output to the crawler 3 and the conveyor 6 provided on the traveling frame 2. And a driving mechanism 7.

  The traveling frame 2 has steps 8 at which both sides of the traveling frame 2 travel with the operator. The crawler 3 includes a front wheel 9 provided at a lower front portion of the traveling frame 2 in the traveling direction and a rear wheel 10 provided at a lower rear portion of the traveling frame 2 in the traveling direction. And an endless track belt 11 looped between the front wheel 9 and the rear wheel 10.

  Next, the conveyor 6 includes a conveyor frame 12 extending in the front-rear direction, a driven wheel 13 rotatably supported near a front end of the conveyor frame 12, and a rear end near the rear end of the conveyor frame 12. A drive wheel 14 rotatably supported by the endless endless conveyance body 15 wrapped around the driven wheel 13 and the drive wheel 14 so as to be freely rotatable, and a middle of the endless conveyance body 15 on the conveyance side. And a supporting tension roller 16.

  The conveyor frame 12 has a horizontal portion 17 fixed to an upper portion of the machine frame 4, and is inclined forward and downward from a front end of the horizontal portion 17 to project forward of the traveling frame 2. A front inclined portion 19 fixed to the traveling frame 2 by a fixing plate 18 is provided.

  The driven wheel 13 is rotatably supported near the front end of the front inclined portion 19, and the drive wheel 14 is rotatably supported near the rear end of the horizontal portion 17, and the tension roller 16 is rotatably supported at the front end of the horizontal portion 17.

  The endless transport body 15 includes a plurality of opposite endless revolving bodies and a plurality of rotatable transport rods (shown in the figure) rotatably arranged at predetermined intervals for sifting soil between the opposing endless revolving bodies. Z). Further, the excavating blade 5 is fixed to the front end of the front inclined portion 19 at a position in front of the driven wheel 13 so as to be inclined downward and forward.

  Further, a gauge wheel supporting mechanism 21 is provided at the front inclined portion 19 at a position behind the excavating blade 5 to support a gauge wheel 20 so as to be adjustable in height. The gauge wheels 20 for restricting the digging depth of the digging blade 5 are rotatably supported on both sides with respect to the traveling direction. By adjusting the gauge wheel support mechanism 21, the height of the gauge wheels 20 on both sides is adjusted, and the digging depth of the digging blade 5 is regulated by the gauge wheels 20. ing.

  Reference numeral 22 denotes a loading platform on which the agricultural products transported by the transport conveyor 6 are placed. The loading platform 22 is located behind the unloading end of the agricultural products transported by the transport conveyor 6 and has a traveling frame 2 of the agricultural product harvesting machine 1. It is provided in.

  The loading platform 22 intersects the fixed frame 23 extending in the front-rear direction, which is disposed at a predetermined interval on both sides, and extends in the front-rear direction. The direction is the axial direction, i.e., a plurality of outer peripheral surfaces that are arranged side by side with the direction orthogonal to the fixed frame 23 as the axial direction and support the agricultural products are circular in shape, and the upper ends of both ends of each of these support members 24 are respectively provided. And a fixed support end member 25 extending in the front-rear direction.

  The loading platform 22 is formed in a rectangular shape in plan view by the fixed frames 23 on both sides, the plurality of support members 24, and the support end members 25 on both ends.

  The fixed frame 23 has a horizontal plate portion 26 to which both sides of each of the support members 24 are fixed, and side plate portions 27 formed opposite to lower portions on both sides of the horizontal plate portion 26, and has a lower surface opened. Is formed. Further, each of the support members 24 and each of the support end members 25 are respectively formed by hollow pipe members, and among these support members 24, the support members 24 fixed to both upper ends of the fixed frame 23 are stopper members. The other supporting member 24 and each of the supporting end members 25 except for the stopper members 28 at both ends are formed to have substantially the same diameter as the other supporting member 24 as 28.

  A stopper member 28 fixed to both upper ends of the fixed frame 23 (front and rear in the traveling direction of the traveling frame 2) and an upper end of both ends of the support members 24 (left and right in the traveling direction of the traveling frame 2) are respectively provided. Except for the fixed support end member 25, the support member 24 forms a mounting surface 29 for agricultural products.

  Further, the upper end surfaces of the stopper members 28 at the upper ends of both ends of the fixed frame 23 and the upper end surfaces of the support end members 25 at the upper ends of the respective support members 24 project slightly higher than the mounting surface 29 described above. The stopper member 28 and the supporting end member 25 prevent a container, which will be described later, containing the agricultural product placed on the placement surface 29 from falling from any of the front-back direction and the left-right direction. I have.

  Numeral 30 denotes a container to be mounted on the mounting surface 29. The container 30 accommodates agricultural products transported by the transport conveyor 6. A plurality of containers 30 are placed on the placement surface 29 described above.

  Numeral 31 is provided on the agricultural product harvesting machine 1 and lowers the loading platform 22 to a position lower than the unloading end of the conveyor 6 when loading agricultural products on the loading platform 22, and unloads and reloads the agricultural products from the loading platform 22. When the transfer conveyor 6 is at a transfer position higher than the discharge end of the transfer conveyor 6, that is, at a transfer position above the discharge end of the transfer conveyor 6.

  The traveling frame 2 has plate-shaped supports 32 erected and fixed to both sides of the rear end of the traveling frame 2, and each of the supports 32 is formed in a substantially rectangular shape in a side view. I have.

  Next, a first fixing means 40 is provided on each of the opposing supports 32. The first fixing means 40 is provided at an upper portion of a rear end on one surface side of the support 32, and is separately fixed to the one surface side of the support 32. A fixing pin 37 is inserted through the support 32 so as to be detachable, and a stopper pin 39 is inserted through the fixing pin 37 so as to be detachable.

  An engagement recess 34 is formed between the engagement body 33 and one surface of the support 32, and an insertion hole 35 is formed at an upper end of the support 32, and an upper end of the engagement body 33 is formed. A communication hole 36 communicating with the insertion hole 35 is formed in each of the holes. The fixing pins 37 are respectively removably inserted from the communication holes 36 into the insertion holes 35, and the stopper pins 39 are respectively removably inserted into through holes 38 formed at the distal end of the fixing pins 37. It is designed to be inserted.

  Next, the loading platform raising / lowering means 31 is provided with a link mechanism 41 provided on the opposite support 32 of the traveling frame 2 so that the loading platform 22 can be raised and lowered, and the link mechanism 41 is movable in a direction in which the loading platform 22 is raised and lowered. And a second fixing means 43 on both sides as fixing means for immovably fixing the link mechanism 41 in a state where the loading platform 22 is lowered to a low position.

  The link mechanism 41 includes first links 44 extending in the front-rear direction, which are disposed on both sides, and up-and-down directions on both sides rotatably supported by both ends of the first links 44, respectively. The second link 45 and the third link 46 before and after the second link 45 and the second link 45 on both sides are located below the middle part of the second link 45 in the vertical direction, and the middle part is Fourth links 48 extending in the front-rear direction on both sides rotatably supported by a support shaft 47, and lower ends of the fourth links 48 are freely rotatable by support shafts 49 at the front ends thereof. And a fifth link 50 axially supported and extending in the vertical direction.

  The front end of the first link 44 and the lower end of the second link 45 on both sides are rotatably supported on the opposite front end of the support 32 by a support shaft 51, respectively. The lower ends of the third links 46 on both sides are rotatably supported by a support shaft 52 at the rear end of the first link 44.

  The upper end of the third link 46 on both sides and the rear end of the fourth link 48 on both sides are rotatably supported by both ends 53b of an interlocking support shaft 53 extending in the left-right direction. ing. The support shaft 52 at the upper and lower ends of the third link 46 on both sides is interlocked with the support shaft 51 with respect to the distance between the upper and lower support shafts 47 and the support shaft 51 of the second links 45 on both sides. The support shaft 52 and the interlocking support shaft 53 are arranged at positions where the distance between the support shaft 53 and the support shaft 53 is long. Also, the distance between the support shaft 51 and the support shaft 52 at both ends of the first link 44 on the both sides, and the support shaft 47 at the intermediate portion of the fourth link 48 on the both sides and the rear end These support shafts 47 and the support shafts 53 are arranged at positions where the distance between the support shafts 53 and the support shafts 53 becomes longer.

  Also, the middle part of the second link 45 on both sides in the vertical direction is fixed to both ends of a fixed rod 54 extending in the left-right direction, and the fixed rod 54 is disposed in parallel with the interlocking support shaft 53. I have. Further, the upper part of the fifth link 50 on both sides in the vertical direction is fixed to both ends of a connecting rod 55 extending in the left-right direction, and the connecting rod 55 is arranged in parallel with the fixed rod 54.

  The first links 44 on both sides are rotatably supported in the up and down directions about the support shaft 51, respectively, and are respectively disengageable in the engagement recesses 34 of the first fixing means 40 on both sides. And when they are engaged in the engagement recesses 34, they are fixed by the fixing pins 37, respectively.

  In a state where the upper ends of the second links 45 on both sides are inserted between the rear ends of the side plates 27 of the fixed frames 23 on both sides of the carrier 22, the upper ends of the second links 45 on both sides are inserted. The side plate portions 27 of the fixed frames 23 on both sides are rotatably supported by support shafts 56, respectively.

  The fifth links 50 on both sides are arranged substantially parallel to the second links 45 on both sides, and the upper ends of the fifth links 50 on both sides are fixed to the fixed frames 23 on both sides of the loading platform 22. In a state inserted between the rear ends of the side plates 27, the side plates 27 of the fixed frames 23 on both sides are rotatably supported by the support shaft 57 on the upper end of the fifth link 50 on both sides. Have been.

  When the link mechanism 41 is moved, that is, in a state where the first links 44 on both sides are fixed by the first fixing means 40 on both sides, the first links 44 on both sides are fixed to the first links 44 on both sides. The second link 45 on both sides, the third link 46 on both sides, the fourth link 48 on both sides, and the fifth link 50 on both sides are respectively movable, that is, they are turned downward. By doing so, the link mechanism 41 is folded low.

  When the link mechanism 41 is folded low, the loading platform 22 is lowered by the link mechanism 41 to a position lower than the unloading end of the transport conveyor 6, and the mounting surface 29 of the loading platform 22 is transported. The conveyor 6 is inclined such that the discharge end side is lowered. The container 30 placed on the loading surface 29 of the loading platform 22 is inclined so that the unloading end of the transport conveyor 6 is lowered, so that agricultural products can be easily stored in the container 30. .

  Further, in a state where the first links 44 on both sides are fixed by the first fixing means 40 on both sides, the link mechanism 41 is provided on the both sides in a direction away from the first links 44 on both sides. The second link 45, the third link 46 on both sides, the fourth link 48 on both sides, and the fifth link 50 on both sides are movable, that is, ascend and rotate, whereby the The link mechanism 41 is extended upward, and the loading platform 22 is moved by the link mechanism 41 from a lower position behind the unloading end of the transfer conveyor 6 to the transfer conveyor 6 as a transfer position on the unloading end side of the transfer conveyor 6. Is moved upward to a transshipment position located above the carry-out end.

  Then, the mounting surface 29 of the loading platform 22 raised to the transfer position is inclined by the link mechanism 41 such that the transfer-out side of the agricultural product, that is, the rear end side is lowered. Further, the container 30 placed on the loading surface 29 is easily unloaded from the loading surface 29 by tilting the loading surface 29 of the loading platform 22 so that the agricultural product reloading / unloading side is lowered. It has become so.

  Next, the cylinder device 42 for moving the link mechanism 41 is disposed inside the third link 46 on both sides and disposed on both sides of the rear end of the traveling frame 2. The lower end is rotatably supported by a support shaft 60 on brackets 59 fixed to both sides of the rear end of the running frame 2. The distal ends of the rods 61 of the cylinder devices 42 on both sides are rotatably supported by brackets 62 fixed to both sides of the fixed rod 54 with support shafts 63, respectively.

  When the rods 61 of the cylinder devices 42 on both sides advance and retreat with respect to the main body 58, the link mechanism 41 is movable in a direction in which the carrier 22 is moved up and down.

  Next, the second fixing means 43 on both sides as fixing means for immovably fixing the link mechanism 41 in a state where the loading platform 22 is lowered to a low position, is one link of the link mechanism 41. An engaging body 64 is fixed to the second link 45 on both sides at a substantially middle portion of the second link 45 in the vertical direction, and a fixing pin 65 is inserted through the engaging body 64 so as to be detachable. are doing.

  The engaging members 64 on both sides are respectively protruded rearward and have engaging protrusions 66, respectively, and at least one other link of the link mechanism 41 is provided between the facing engaging protrusions 66. Engaging recesses 67 are formed to engage the third links 46 on both sides, respectively. The distal ends of the opposing engaging projections 66 are formed in the engaging recesses 67 on both sides. A pin insertion hole 68 through which the fixing pin 65 is removably inserted with the engagement of the respective 46 is formed so as to communicate with each other.

  The fixing pins 65 on both sides have through holes 69 at the distal ends thereof, and the stopper pins 70 are removably inserted into these through holes 69, respectively. Although the fixing pins 65 on both sides are provided separately from the fixing pins 37 of the first fixing means 40 as one of the second fixing means 43 on both sides, the fixing pins 65 on both sides are The fixing pin 37 of the first fixing means 40 may also be used. Therefore, one of the fixing pin 37 and the fixing pin 65 may be used as one of the first fixing means 40 and the second fixing means 43.

  Next, the operation of the above embodiment will be described.

  When the harvesting operation is performed, the cylinder devices 42 on both sides of the loading / lowering means 31 are operated while the first links 44 on both sides of the link mechanism 41 are fixed by the first fixing means 40, respectively. When the rods 61 are simultaneously retracted at the same speed, the respective links 45, 46, 48, and 50 of the link mechanism 41 are moved toward the first link 44 by the rods 61. The link mechanism 41 is folded low.

  Then, the carrier 22 supported by the link mechanism 41 is lowered to the upper rear end of the traveling frame 2 at a position lower than the carry-out end of the conveyor 6 behind the carry-out end of the conveyor 6, and The loading surface 29 of the conveyor 22 is inclined such that the unloading end of the conveyor 6 is lowered.

  Further, when a plurality of containers 30 for storing agricultural products are placed on the mounting surface 29 of the loading platform 22, respectively, these containers 30 have a plurality of support members 24 each having a circular outer peripheral surface on which the mounting surface 29 is formed. Supported by Each container 30 is inclined such that the output end side of the conveyor 6 is lowered, and agricultural products are easily stored in each container 30.

  Next, when the agricultural product harvesting machine 1 is run, agricultural products are sequentially dug by the excavating blade 5, and these agricultural products are sequentially loaded from the excavating blade 5 onto the endless transport body 15 of the transport conveyor 6. The sheet is transported rearward by the endless transport body 15. At this time, the soil conveyed onto the endless transport body 15 is sieved from between the plurality of transport rods of the endless transport body 15.

  When the agricultural products are sequentially conveyed to the output end of the endless transport body 15 of the conveyor 6, each of these agricultural products is sorted by the worker on the step 8 of the traveling frame 2 at the output end of the endless transport body 15. The harvested agricultural products are sequentially placed and stored in each container 30 on the loading platform 22, and a predetermined amount of the agricultural products is loaded and stored in each container 30 on the loading platform 22. Unnecessary agricultural products and unsieved soil are directly dropped into the field from the unloading end of the endless carrier 15.

  Next, when a predetermined amount of agricultural products stored in each container 30 on the loading platform 22 is carried out from the loading platform 22 for reloading, the cylinder devices 42 on both sides of the loading platform elevating means 31 are actuated to the main body 58. When the rods 61 advance simultaneously at the same speed, the links 45, 46, 48, and 50 of the link mechanism 41 move upward from the first link 44, that is, the rods 61 move upward. As a result, the link mechanism 41 is extended upward.

  Then, the link mechanism 41 causes the carrier 22, that is, the container 30 containing a predetermined amount of agricultural products on the carrier 22 to move from the lower position behind the discharge end of the transport conveyor 6 as a transfer conveyor on the discharge end side of the transport conveyor 6. 6 is moved upward to a transshipment position located above the carry-out end. That is, each container 30 containing a predetermined amount of agricultural products on the loading platform 22 is moved upward to a transshipment position facing the loading platform of a truck that transports agricultural products.

  The loading surface 29 of the loading platform 22 raised to the reloading position is inclined by the link mechanism 41 so that the reloading side, that is, the rear end side of the agricultural product is lowered, and a predetermined amount on the loading surface 29 is set. The containers 30 containing the agricultural products are tilted so that the side for reloading and transferring the agricultural products is lowered.

  Also, when each container 30 containing a predetermined amount of agricultural products on the loading surface 29 on the loading surface 29 on the loading platform 22 is raised to the transshipment position, each of the containers 30 as a whole has front and rear stoppers at the front and rear of the loading platform 22. By being supported by the member 28 and the left and right support end members 25, each container 30 containing a predetermined amount of agricultural products is prevented from falling, and is stably raised to the reloading position.

  Then, each container 30 containing a predetermined amount of agricultural products on the loading platform 22, that is, the mounting surface 29 of the loading platform 22 is moved up to the reloading position located above the unloading end of the transport conveyor 6, so that the predetermined The loading platform 22 on which the containers 30 containing the agricultural products are placed is moved to the center of gravity of the agricultural product harvesting machine 1, that is, to the rear wheel 10 side of the crawler 3, so that the agricultural harvesting machine 1 is prevented from falling.

  In addition, the loading platform 22 on which each container 30 raised to the transshipment position is placed is inclined so that the reloading side of the agricultural product is lowered, so that the loading side of each container 30 containing a predetermined amount of the agricultural product is placed on the loading platform 22. The containers 30 are lifted onto the transfer member carrying-out side stopper members 28 which are inclined at a low inclination, and the containers 30 are easily carried over the stopper members 28 along the inclination of the loading surface 29 of the loading platform 22 to be carried out and moved.

  At this time, the loading surface 29 has a plurality of outer peripheral surfaces that are arranged side by side with the direction intersecting the direction in which the agricultural products are transshipped and carried out being axially formed by the circular support member 24. When carrying out and moving each container 30 containing a predetermined amount of agricultural products from the mounting surface 29, a plurality of outer peripheral surfaces are formed between the mounting surface 29 formed by the circular support member 24 and the bottom surface of the container 30. Each container 30 is easily carried out and moved with little frictional resistance.

  Then, in a state where each container 30 containing a predetermined amount of agricultural products on the loading surface 22, that is, the mounting surface 29 of the loading platform 22 is raised to the transshipment position, each container 30 containing a predetermined amount of agricultural products from the loading platform 22 is Easily transshipped on truck bed.

  Accordingly, each container 30 containing a predetermined weight of agricultural products placed on the loading platform 22 by the loading platform elevating means 31 is transshipped from a position lower than the delivery end of the transport conveyor 6 to the delivery end side of the transport conveyor 6. The container 30 containing these agricultural products is easily lifted up and moved to the reloading position located above the unloading end of the transport conveyor 6 as a position, and is easily transported out of the reloading position in the unloading direction. Are easily transshipped on a cargo bed, and the transshipment work of these agricultural products is easily performed.

  Next, when the harvesting operation is not performed, the cylinder devices 42 on both sides of the carrier lifting / lowering means 31 are operated to simultaneously retract the rods 61 with respect to the main body 58 at the same speed, respectively. Is lowered low, and the carrier 22 supported by the link mechanism 41 is lowered to the upper rear end of the traveling frame 2 at a position lower than the discharge end of the conveyor 6 behind the discharge end of the conveyor 6. The loading surface 29 of the loading platform 22 is inclined such that the unloading end of the conveyor 6 is lowered.

  When the link mechanism 41 is folded low, the third links 46 on both sides are respectively engaged in the engagement recesses 67 of the second fixing means 43 fixed to the second links 45 on both sides of the link mechanism 41. Are combined. Then, the fixing pins 65 are inserted into the pin insertion holes 68 at the distal ends of the opposing engaging projections 66 of the second fixing means 43 on both sides, and the stopper pins 70 are inserted into the through holes 69 at the distal ends of these fixing pins 65. Respectively, the link mechanism 41 is immovably fixed in a state of being folded low by the second fixing means 43 on both sides, and the loading platform 22 is fixed by the link mechanism 41.

  Next, when the immovably fixed link mechanism 41 and the loading platform 22 are folded in a state of being inclined above the rear end of the traveling frame 2, the fixing pin 37 is pulled out from the engagement body 33 of the first fixing means 40. Thereby, the fixing of the first link 44 of the link mechanism 41 is released.

  By operating the cylinder devices 42 on both sides of the loading platform elevating means 31 to advance the rods 61 to the main body 58 simultaneously and at the same speed by a predetermined length, the link mechanism 41 and the loading platform 22 are Is rotated toward the front on the unloading end side of the transport conveyor 6 around a support shaft 51 that rotatably supports the ends of the first and second links 44 and 45 on both sides, and the link mechanism 41 and the loading platform 22 are rotated. The traveling frame 2 is folded and moved so as to be inclined above the rear end.

  The fixing of the first link 44 and the release of the fixing by the first fixing means 40 are easily performed by inserting and removing the fixing pins 37, and the second link 45 is fixed to the second link 45 by the second fixing means 43. The fixing with the third link 46 and the release of this fixing can be easily performed by inserting and removing the fixing pin 65.

  Therefore, the link mechanism 41 and the loading platform 22 are prevented from protruding greatly backward from the agricultural harvesting machine 1 in the traveling direction of the agricultural harvesting machine 1. Then, the front and rear length of the agricultural product harvesting body 1 is reduced, so that the traveling movement is easy and the problem of traffic obstruction can be solved.

  Next, in the above-described embodiment, the case where the mounting surface 29 of the loading platform 22 is formed by arranging the plurality of outer peripheral surfaces fixed to the fixed frames 23 on both sides in parallel with the circular support members 24 has been described. Not limited to this, the mounting surface 29 of the loading platform 22 may be formed by arranging a plurality of support members 24 having a plurality of circular outer peripheral surfaces in a freely rotatable manner.

  In this case, for example, as shown in FIG. 11, a plurality of support rods 71 extending in a direction orthogonal to the fixed frames 23 are provided at predetermined intervals on the fixed frames 23 on both sides to protrude horizontally. A support member support frame 72 is fixed to the distal ends of the plurality of support rods 71 in parallel with the fixed frames 23 on both sides, and intersects with the support member support frames 72 on both sides with respect to the direction in which the produce is reloaded and carried out. A plurality of outer peripheral surfaces are rotatably arranged side by side in the direction of the axis as the axial direction, and the plurality of outer peripheral surfaces form a mounting surface 29 of the loading platform 22 with the circular support members 24. The support members 24 having a plurality of circular outer peripheral surfaces are formed by rotatable rollers.

  With this configuration, when carrying out and moving the container 30 containing a predetermined amount of agricultural products from the mounting surface 29 of the loading platform 22, the container 30 is smoothly carried out and moved while the plurality of support members 24 are rotated. Further, the frictional resistance between the mounting surface 29 and the bottom surface of the container 30 containing a predetermined amount of agricultural products is further reduced, so that the container 30 containing a predetermined amount of agricultural products can be easily carried out and moved.

It is a side view of the produce harvester which shows one Embodiment of this invention. FIG. 3 is an enlarged side view showing the same loading platform elevating means. It is a rear view of the agricultural product harvester. It is an expansion perspective view which shows the fixing means of a link mechanism same as the above. FIG. 2 is an enlarged perspective view of a part of a link mechanism supporting the loading platform. It is an enlarged rear view which shows the connection part of the rod of a cylinder device same as the above. It is an enlarged rear view which shows the connection part of the main body of a cylinder device same as the above. FIG. 3 is an enlarged rear view showing the loading platform support unit. FIG. 2 is an enlarged side view showing a state where the link mechanism is folded low. FIG. 4 is an enlarged side view showing a state where the link mechanism is folded down low and is folded forward. It is an expansion perspective view of some loading boards showing other embodiments.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Agricultural harvesting machine 5 Excavating blade 6 Conveyor
22 bed
31 Loading platform elevating means

Claims (1)

A self-propelled agricultural harvesting machine equipped with a digging blade for digging agricultural products and a conveyor for transporting the agricultural products dug by the digging blades rearward,
A loading platform on which the agricultural products transported by the transport conveyor are placed,
Provided on the agricultural product harvesting machine, when loading agricultural products on the loading platform, lower the loading platform to a position lower than the discharge end of the conveyor, and when loading and unloading agricultural products from the loading platform, the loading platform is the Loading platform elevating means for ascending and moving to the reloading position on the unloading end side of the transport conveyor,
The loading platform is moved to the center of gravity of the agricultural product harvesting machine by the ascending movement to the reloading position, and is tilted to a state where the reloading / unloading side of the agricultural product is lowered. The conveyor is inclined so that the carry-out end is lowered , and pivots toward the front of the carry-out end of the conveyor so as to be folded and moved in a state of being inclined above the rear end of the agricultural machine. Agriculture harvester.

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