JP6355979B2 - Legume harvesting machine - Google Patents

Description

  The present invention relates to a bean harvester having a function of picking up beans in a field together with their stems.

  A bean harvester that has the function of picking up a bean-stalk that has been cut down with a fruit on the stem in the field, picks up the bean-stalk while traveling, and carries it into a harvesting box or a grain remover. Things are known.

  As shown in FIG. 6, the beans harvester includes a pickup unit 100 in which a large number of pickup chains 100A and 100B wound so as to rotate in parallel with the longitudinal direction of the basket G1 are arranged in parallel. The bean stem is picked up and conveyed by rotation of 100B.

  Further, between the left and right side portions along the width direction of the ridge G1 of the pickup unit 100 and between the pickup chains 100A and 100B, a table unit 200 that supports the conveyance of the bean stalk in the pickup unit 100 and prevents the drop. 201 is provided, and on the front end side in the running direction of the table portions 200 and 201, discharge spaces 300 and 301 for discharging foreign matter picked up together with the bean stems are secured.

  In addition, a guide wall 400 is provided at the side edge of the table portion 201 so as to protrude forward and to the left and right. By such a guide wall 400, picked-up stems with beans are picked up in a wide range. In addition to being able to guide to the part 100, it is possible to suppress catching of the bean-stalked to the front end of the guide wall 400, and thereby to guide the bean-stalk in the direction of the pickup part 100. Yes.

  According to the conventional bean harvesting machine, the picked-up stem with beans can be conveyed, and foreign matters can be discharged from the discharge space. In addition, since the plurality of bean stalks are supported by the pick-up chains 100A and 100B arranged in parallel, the stalks can be transported without hanging down, thereby catching the bean stalks on the front ends of the table portions 200 and 201. It is possible to prevent detachment / falling of the fruit from the stem due to catching, fall of the fruit due to cracking of the fruit, entanglement of the stem with respect to the pickup chain 100A and the table portions 200, 201, and the like.

  However, in the conventional bean harvester, the bean-stalks located on the discharge space 301 side secured on the left and right sides of the pickup unit 100 are supported by a single pickup chain 100A located on the left and right sides of the pickup unit 100. Therefore, there is a problem that the discharge space 301 tends to hang down.

  That is, when the bean stalk hangs down in the discharge space 301, the bean stalk is caught on the front end of the table unit 201, and the fruit detachment / falling from the stalk due to this catching, the fall of the fruit by cracking the fruit, There was a problem that the bean stems were entangled with the pickup chain 100A and the table unit 201.

  In particular, as shown in the figure, the discharge spaces 301 secured on both the left and right sides of the pickup unit 100 are wider than the discharge space 300 by the frames 500 and 501 and the guide walls 400 protruding so as to expand to the left and right. In the form, there was a problem that the above-mentioned stalks with beans were likely to hang down.

  This invention makes it an example of a subject to cope with such a problem. That is, the pickled bean stem can be prevented from hanging down, the bean stem from hanging down can be prevented from being caught on the table during transportation, and the fruit from the bean stem caused by the catch Detachment / falling of fruit, falling of fruit due to cracking of fruit, tangling of stem to pick-up chain and table part, etc., which can reduce harvest loss of beans and increase harvesting efficiency, etc. Is the object of the present invention.

  It should be noted that there is no prior art document information to be disclosed because there is no prior art document information related to the present invention that the applicant knows at the time of filing this patent.

  In order to achieve such an object, a bean harvester according to the present invention has at least the following configuration.

  A bean harvesting machine that picks up and harvests the harvested stalk C with beans while traveling along the longitudinal direction of the cocoon, and rotates around an axis along the width direction of the cocoon, A plurality of pickup chains wound in parallel along the direction of the width of the bag, an inner table portion disposed between the pickup chains, and the pickup unit, An outer table portion disposed on both outer sides in the width direction side of the bag, an inner discharge space secured in a range extending between a traveling side end portion of the inner table portion and a traveling side end portion of the pickup chain, and the outer table An outer discharge space secured in a range extending from the traveling side end of the part to the traveling side end of the pickup chain, and the outer discharge space, the pickup A support guide portion arranged to support the stalk with beans transported in the outer discharge space and to be guided in the direction of the outer table portion, and the support guide portion includes the support guide portion. It is a beans harvester characterized in that the outer discharge space is secured between the guide portion and the traveling side end of the outer table portion.

  By having such a feature, the present invention can prevent the pickled bean stem from hanging down. By preventing the bean stalk from hanging down, it is possible to prevent the bean stalk from being caught on the front end of the table part during transportation, and the bean detachment / falling from the stalk due to the catch, or the fruit drop due to cracking of the fruit In addition, the entanglement of the stem with respect to the pickup chain and the table portion can be prevented. Thereby, the harvest loss of beans can be reduced and the harvest efficiency can be increased.

It is a front view showing roughly the beans harvester of one embodiment concerning the present invention. It is a top view which shows the principal part of FIG. 1 schematically. It is a principal part expanded sectional view of FIG. FIG. 4 is an exploded view of FIG. 3. FIG. 5 is an enlarged sectional view taken along line (5)-(5) in FIG. 3. It is a top view which shows roughly the principal part of the conventional bean harvester.

  In this invention, it is preferable that the said support guide part is formed in a column shape, and this support guide part is pivotally supported so that it may rotate centering on the axis | shaft along the width direction of the said collar.

  It is preferable that the columnar support guide portion is pivotally supported so as to rotate by the contact of the bean-stalks conveyed by the pickup unit.

  Hereinafter, a beans harvester A according to an embodiment of the present invention will be described with reference to FIGS. The bean harvesting machine A of this embodiment is towed by a traveling vehicle B such as a tractor, but in the present invention, it is not limited to a towing type but may be a self-propelled type.

  The bean-stalk C described below is one that has been cut in advance in the field G with a reaper or the like and dried in a state with a berry C3 along the ridge G1 of the field G.

  The bean harvester A is connected to the rear side of the traveling vehicle B and travels in the harvesting direction (hereinafter referred to as advance) to pick up the stem C with beans in the field G and to the rear (opposite to the forward direction). The pick-up part 1 to convey, the rear part of the pick-up part 1, the degranulation part 2 which sheds the grain C1 from the picked stem C with the bean, and the shed grain C1 in a storage tank (not shown) It is provided with a conveying device 3 for guiding, and a discharge unit 4 which is disposed behind the degranulation unit 2 and discharges waste C2 such as stems and bean husks after degranulation to the outside of the apparatus.

  That is, in the bean harvester A, the pick-up unit 1 picks up the stalk C with beans that has been cut down along the straw G1 of the field G along the longitudinal direction of the straw G1, while the pick-up part 1 picks it up. Transport. The grain removal unit 2 sheds the seed C1 from the transported stalk C with the beans, and the shed grain C1 is stored in the storage tank by the transport device 3, while the shed stalk, waste C2 such as bean husk, etc. Is discharged to the field G by the discharge unit 4.

  As shown in FIG. 2, the pickup unit 1 rotates about an axis along the width direction of the bag G1 (hereinafter, a direction orthogonal to the forward direction and the horizontal direction, hereinafter referred to as the left-right direction), A plurality of pickup chains 10, 10A, 10B wound in the direction are arranged in parallel in the left-right direction, and are arranged between the left and right frames A1, A2.

  On the outer periphery of the pickup chains 10, 10 </ b> A, and 10 </ b> B, a plurality of protrusions 11 are provided so as to hook up and pick up the bean stalk C of the field G so as to scoop up and carry it.

  Further, as shown in FIG. 1, the pickup chains 10, 10A, and 10B are arranged so as to be inclined so that their positions increase from the front end toward the rear.

  In addition, the inner table portion 5 disposed between the pickup chains 10, the outer table portions disposed between the outer sides of the pickup chains 10A and 10B located at the left and right ends of the pickup portion 1, and the frames A1 and A2. 6, and the inner table portion 5 and the outer table portion 6 support the stalk C with beans that is picked up and conveyed so as not to hang down.

  The inner table portion 5 and the outer table portion 6 are arranged so as to be inclined so that their positions increase from the front end toward the rear, like the pickup chains 10, 10A, 10B, and are picked up together with the bean stem C. A foreign object such as a stone or a soil block is caused to fall onto the field G by the inclination of the inner table portion 5 and the outer table portion 6.

  On the outside of the outer table portion 6, a guide wall 61 erected so that the lateral width becomes narrower from the front end side of the pickup portion 1 toward the degranulating portion 2 is provided. At the beginning, it is possible to pick up and guide the stalk C with beans in a wide range, and to suppress the hook and the like of the stalk C with beans from the front end of the guide wall 61.

  An inner discharge space 7 for discharging foreign matter such as stones and dirt is secured on the front end side of the inner table portion 5, and an outer discharge space 8 for discharging foreign matters such as stones and dirt is secured on the front end side of the outer table portion 6. The foreign matter picked up from the inner discharge space 7 and the outer discharge space 8 is dropped to the field G before reaching the inner table portion 5 and the outer table portion 6, and the inner table portion 5 and the outer Foreign matter that falls from the table portion 6 can be dropped onto the field G.

  The outer discharge space 8 is provided with a support guide portion 9 that supports the bean stem C passing over the outer discharge space 8 to prevent the bean stem C from sagging and guides the picked bean stem C to the pickup unit 1. Has been placed.

  The support guide portion 9 has a cylindrical shape (outer cylindrical shape) that is pivotally supported so as to rotate about an axis in the left-right direction, and has an axial length that covers almost the entire lateral width of the outer discharge space 8. is there.

  Such a support guide portion 9 is pivotally supported by a shaft support plate 13 that rotatably supports a sprocket 12 (see FIG. 3) on the front end side of the pickup chains 10A and 10B, and is picked up by the pickup portion 1 and is outside. The bean stalk C passing over the discharge space 8 is supported and guided to the outer table portion 6.

  Further, the support guide portion 9 has a size that allows foreign matter to pass between the front end of the outer table portion 6 and the support guide portion 9 and to be discharged to the field G so as not to impair the discharge function of the outer discharge space 8. The outer discharge space 8 is secured.

  In the support guidance of the bean stalk C by the support guide unit 9, the bean stalk C conveyed by the pickup unit 1 contacts the peripheral surface of the support guide unit 9, and the contact resistance of the bean stalk C which is contacted while being conveyed. By this rotation, it is possible to reduce the contact resistance when the bean stalk C is conveyed and to smoothly convey the bean stalk C without being caught.

  That is, the support guide part 9 supports and guides the bean stalk C that has been picked up and passes over the outer discharge space 8 so as not to hang down, so that the fruit C3 is detached or dropped, and the child due to cracking of the fruit C3. The fall of the real C1 and further the entanglement of the stalk C with beans can be prevented, thereby preventing the reduction of the harvest amount and the reduction of the harvesting work efficiency due to the entanglement of the stalk C with beans. Therefore, the harvest loss of beans can be reduced and the harvest efficiency can be increased.

  Furthermore, the foreign matter picked up together with the bean stem C can pass through the outer discharge space 8 and be discharged to the field G.

  The support guide 9 is pivotally supported so as to rotate at least with a contact resistance such that the fruit C3 is not detached or dropped from the bean stem C during transportation, and the fruit C1 is not dropped due to cracking of the fruit C3. Further, a structure that supports the shaft so that the rotation is not hindered by dirt or dust is more preferable.

  As shown in FIGS. 3 to 5, a specific shaft support structure of the support guide portion 9 is fixed to the shaft support plate 13 so as to be non-rotatable. The sleeve 91 is non-rotatably fitted to 90, a bearing (bearing) 92 is non-rotatably fitted to the outside of the sleeve 91, and the support guide portion 9 is fitted to the outside of the bearing 92 to be fixed. It is a configuration.

  The fixed shaft 90 is provided with a bolt hole 90a, and is fixed by screwing and tightening a bolt 93a that penetrates the shaft support plate 13 from the inner discharge space 7 side to the outer discharge space 8 side. .

  Further, as shown in FIG. 5, the fixed shaft 90 and the sleeve 91 are fitted to the fixed shaft 90 in a non-rotatable and removable manner by an oval fitting structure.

  The sleeve 91 is provided with a fitting portion 91a into which the bearing 92 is fitted, and a flange portion 91b that is provided at one end of the fitting portion 91a and that prevents the bearing 92 from being fitted into the fitting portion 91a. As shown in FIG. 5, the fitting portion 91a and the bearing 92 are fitted into the fitting portion 91a in a non-rotatable and press-fit manner by an oval fitting structure.

  The outer diameter of the flange portion 91 b is smaller than the outer diameter of the bearing 92 and the inner diameter of the support guide portion 9 so as not to contact the inner periphery of the support guide portion 9 fitted to the bearing 92. .

  The sleeve 91 is held in the fitted state to the fixed shaft 90 by passing the bolt 93b through the through hole 91c opened in the flange portion 91b coaxially with the bolt hole 90a and screwing and tightening to the bolt hole 90a. Is called.

  The screwing and tightening operation of the bolt 93b into the bolt hole 90a can be performed by inserting a tool into the cylindrical support guide portion 9, and the removing operation of the bolt 93b from the bolt hole 90a can be performed in the same manner. .

  As shown in FIG. 5, the bearing 92 and the support guide portion 9 are fitted in a press-fit manner so that the bearing 92 and the support guide portion 9 are integrally rotated by an oval fitting structure. The rotation of the support guide 9 is made smooth when the bean-capped stem C being conveyed contacts the peripheral surface of the support guide 9.

  According to such a support structure of the support guide portion 9, the beans with the conventional structure having the outer discharge space 8 can be smoothly transported without damaging the function of discharging the foreign matter in the outer discharge space 8. It can also be retrofitted to the harvester.

  The support guide portion 9 may have a sleeve 91 fitted with the bearing 92 in advance. In this case, the support guide portion 9 is fitted to the bearing 92 in a state in which the bearing 92 is fitted to the sleeve 91. By doing so, the support guide portion 9 provided with the sleeve 91 via the bearing 92 can be obtained (not shown).

  Such a support guide portion 9 can be attached by fitting the sleeve 91 to the fixed shaft 90 and fastening and fixing the bolt 93b to the bolt hole 90a as described above.

  The number of the support guide portions 9 is one in the illustration, but the number of the support guide portions 9 is not limited to the illustrated one, and corresponds to the length of the outer discharge space 8 in the front-rear direction. , Can increase. In this case, the number is determined within a range in which the bean stalk C can be smoothly conveyed without hanging down in the outer discharge space 8 without impairing the discharge function of the foreign matter in the outer discharge space 8.

  The diameter of the support guide portion 9 is preferably a diameter that can be rotated with a small contact resistance of the bean stalk C to be transported, and is specifically about 40 mm to 60 mm.

  The support guide portion 9 may be rotated by power. In this case, the support guide portion 9 is coaxially fixed to the sprocket 12 on the front end side of the pickup chains 10A and 10B and is fixed so as to rotate integrally with the sprocket 12. The sprocket 12 rotates as the sprocket 12 rotates, and the rotation of the spear C can be supported and guided by the rotation (not shown).

  Moreover, the cylindrical support guide part 9 is good also as a form which cannot be rotated, and in this case, without the bean stem C being caught by the circular arc of the cylindrical support guide part 9, the fruit seed C3 and the fruit seed C1 The bean stalk C can be smoothly transported by preventing the falling of the stalk, entanglement of the bean stalk C, and the like.

  The form of the support guide 9 is not limited to the illustrated cylindrical shape, and the bean stem C is prevented from being caught, and the fall of the fruit C3 and the seed C1 and the entanglement of the bean stem C are prevented. Any form can be used as long as it can be smoothly conveyed.

  The support guide portion 9 may be disposed not only in the outer discharge space 8 but also in the inner discharge space 7 between the pickup chains 10.

  The degranulation unit 2, the transport device 3, and the discharge unit 4 have a well-known structure, and thus a detailed description thereof will be omitted. While threshing C1, the crushed grain C1 and the bean shell and stem are selected. The sorted seeds C1 are transported to a storage tank (not shown) by the transport device 3, while the waste C2 such as bean husks and stems are discharged from the discharge unit 4 to the outside of the machine.

  It is effective to use the driving force from the traveling vehicle B for the power of the pick-up unit 1, the degranulating unit 2, the conveying device 3, and the discharging unit 4, for example, via a necessary power transmission system (not shown). It is possible to adopt a means such as connecting to a PTO (Power Take Off) shaft (not shown) of the traveling vehicle or driving a drive motor (not illustrated) by the battery of the traveling vehicle B.

  As described above, the bean harvester A of the present embodiment supports and guides the bean stalk C that is conveyed on the outer discharge space 8 to the outer discharge space 8 that is likely to hang down during the transfer of the bean stalk C. Since the guide portion 9 is arranged, the bean stem C can be prevented from hanging down in the outer discharge space 8.

  The support guide portion 9 prevents the bean stalk C that is conveyed on the outer discharge space 8 from hanging down, thereby preventing the bean stalk C from being caught on the front end of the outer table portion 6 and being caught. Detachment and fall of fruit seed C3 from the stem due to drop, drop of fruit seed C1 due to crack of fruit seed C3, entanglement of stem C with beans against pick-up chains 10, 10A, 10B, inner table part 5, outer table part 6 etc. Can be prevented. Thereby, the harvest loss of beans can be reduced and the harvest efficiency can be increased.

  It should be noted that the present invention is not limited to the illustrated embodiments, and can be implemented with configurations within a range that does not deviate from the contents described in the respective claims.

A: Bean harvesting machine 1: Pickup part C: Stem with beans G1: Grain 10: Pickup chain 10A: Pickup chain 10B: Pickup chain 5: Inner table part 6: Outer table part 7: Inner discharge space 8: Outer discharge space 9 : Support guide

Claims (2)

A bean harvesting machine that picks up and harvests the harvested stalk C with beans while traveling along the longitudinal direction of the cocoon, and rotates around an axis along the width direction of the cocoon, A plurality of pickup chains wound in parallel along the direction of the width of the bag, an inner table portion disposed between the pickup chains, and the pickup unit, An outer table portion disposed on both outer sides in the width direction side of the bag, an inner discharge space secured in a range extending between a traveling side end portion of the inner table portion and a traveling side end portion of the pickup chain, and the outer table An outer discharge space secured in a range extending between the traveling side end of the part and the traveling side end of the pickup chain; and the pickup in the outer discharge space A support guide portion arranged to support the stalk with beans transported in the outer discharge space and to be guided in the direction of the outer table portion, and the support guide portion includes the support guide portion. The outer discharge space is secured between the guide portion and the travel side end of the outer table portion , the support guide portion is formed in a columnar shape, and the support guide portion has a width of the flange. A legume harvesting machine that is pivotally supported so as to rotate about an axis along a direction . The support guide part is, legumes harvester according to claim 1, characterized in that it is journalled for rotation by contact of beans with stem carried by the pickup portion of the cylindrical shape.

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