JP6210646B2 - Management work machine - Google Patents

Description

  The present invention relates to a management work machine that is used for, for example, various types of farm work machines, transport work of transported materials such as fertilizers and materials, and leveling work involving transport of soil in a field such as paddy fields. .

  Conventionally, this type of management work machine has a structure in which a mounting frame is provided on a traveling machine body so that it can be moved up and down by a coupling mechanism, and a carriage is provided on the mounting frame so that it can be tilted backward about a horizontal axis of a fulcrum shaft. It has been known.

  Therefore, various work machines for field work and fertilizers, materials, etc. are loaded in the carriage, and the carriage is carried by the traveling machine, and the carriage is weighted around the fulcrum shaft. Tilt backward, discharge the transported goods in the carriage, or arrange the plow member in the lower part of the attachment frame, hold the plow member in the front and lower part, and run the traveling machine forward, The soil at the high place in the farm scene is scraped off by the scraping member, the ground soil is introduced and guided into the transport platform by the scraping member, the traveling machine is moved to the low place on the farm field, and the worker is artificially engaged at that position. Release the stop mechanism, tilt the carriage with its own weight around the fulcrum shaft, discharge the soil in the carriage to a low part of the farm scene, and repeat this work to perform the leveling work on the field .

Japanese Patent No. 4997132

  However, in the case of the conventional structure, the horizontal axis of the fulcrum shaft is arranged in an orthogonal direction orthogonal to the traveling direction of the traveling aircraft body, and the carriage has an orthogonal fulcrum axis orthogonal to the traveling direction of the traveling aircraft body. The material loaded on the carriage or the soil introduced on the carriage will be discharged to the rear part of the carriage due to the backward tilt. Is limited to the rear position of the carriage, and there is an operation that wants to discharge the transported material or soil to the side of the transport platform, and the inconvenience that the flexibility of the discharging position of the transported material or soil may be reduced accordingly. Have.

The present invention aims to solve these disadvantages. Among the present inventions, the invention according to claim 1 is provided with a mounting frame on a traveling machine body that can be moved up and down by a connecting mechanism, and the mounting frame is provided on the mounting frame. The carriage is provided so as to be tiltable backward about the horizontal axis of the fulcrum shaft, and the horizontal axis of the fulcrum shaft is orthogonal to the traveling direction of the traveling machine body and oblique to the traveling direction of the traveling machine body A position changing mechanism capable of changing the position in an intersecting oblique direction is provided , and as the position changing mechanism, the fulcrum shaft is provided in the mounting frame so as to advance and retreat in the traveling direction of the traveling machine body, and the fulcrum shaft is provided in the orthogonal direction and The management work machine is characterized in that it is disposed so as to be horizontally turnable in the oblique direction .

Further, a second aspect of the present invention, as the position changing mechanism, the fulcrum shaft can be inserted swash fulcrum axis positioned in the direction perpendicular to the carriage is positioned in the insertion possible orthogonal cylindrical portion and the oblique direction The present invention is characterized in that the carrier is composed of a bottom plate, a pair of left and right side plates, a front plate and a rear plate, and the rear plate. Is characterized in that it is detachably or swingably provided, and the invention according to claim 4 is characterized in that the carrier comprises a bottom plate, a pair of left and right side plates, a front plate and a rear plate. The one side plate is provided so as to freely swing up and down, and is provided with a spring member that swings up and down the one side plate.

As described above, according to the present invention, in the invention described in claim 1, various work machines for farm work, fertilizers, materials, etc. are mounted in the transport platform, and the transported object is transported by traveling of the traveling machine body. Carrying work, tilting the carriage with its own weight around the fulcrum shaft, discharging the material in the carriage, and carrying it out. At this time, the horizontal axis of the fulcrum shaft is set to the traveling machine body. Since a position changing mechanism is provided that can change the position in an orthogonal direction orthogonal to the traveling direction of the vehicle and an oblique direction that obliquely intersects the traveling direction of the traveling machine body, the horizontal axis of the fulcrum shaft is By placing in the orthogonal direction perpendicular to the traveling direction, the carriage is tilted backward about the horizontal axis of the fulcrum shaft extending in the orthogonal direction perpendicular to the traveling direction of the traveling machine body and mounted on the carriage. Carrying object is tilted backwards to carry On the other hand, by placing the horizontal axis of the fulcrum shaft in an oblique direction that obliquely intersects the traveling direction of the traveling machine body, the carriage is in the traveling direction of the traveling machine body. Tilting backward about the horizontal axis of the fulcrum shaft that crosses diagonally, and the material in the carriage will be discharged to the side of the carriage by tilting backward, so the position change mechanism The horizontal axis of the fulcrum shaft can be repositioned in an orthogonal direction orthogonal to the traveling direction of the traveling machine body and an oblique direction that obliquely intersects the traveling direction of the traveling machine body. Can be discharged to the rear or side of the carriage by changing the position in the orthogonal direction or the oblique direction. However, the flexibility of the discharge position of the carriage can be increased, Expansion It can be achieved, and, as the position changing mechanism, horizontally pivotally distribution the fulcrum shaft to the orthogonal direction and the oblique direction with the fulcrum shaft to the mounting frame is provided retractably in the traveling direction of the vehicle body The horizontal axis of the fulcrum shaft can be changed in the orthogonal direction or the oblique direction by advancing and retracting the fulcrum shaft and horizontal turning, and the position of the fulcrum shaft can be easily changed and the structure is simple. Can be

Further, in the invention described in claim 2, as the position changing mechanism, the fulcrum shaft pivot axis located perpendicular direction to the carriage is positioned in the orthogonal cylindrical portion and the oblique directions can be inserted is insertable Since the oblique tube portion is provided, the position of the horizontal axis of the fulcrum shaft is changed in the orthogonal direction or the oblique direction by selecting and inserting the fulcrum shaft into either the orthogonal tube portion or the oblique tube portion. The position of the fulcrum shaft can be easily changed and the structure can be simplified. In the invention according to claim 3, the carrier is a bottom plate, a pair of left and right side plates, It consists of a front plate and a rear plate, and the rear plate is detachable or swingable to open and close. When the rear plate is detachable, the rear plate is removed to discharge the material in the carriage to the rear. When the rear plate is provided so as to be swingable, the rear plate In the invention described in claim 4, the carriage comprises a bottom plate, a pair of left and right side plates, a front plate and a rear plate. One side plate is provided so that it can swing up and down, and a spring member is provided to swing one side plate upright, so that the horizontal axis of the fulcrum shaft is arranged in the oblique direction by the position changing mechanism, and the carriage is When tilting backward about the fulcrum shaft, one of the side plates of the carriage will fall and rock against the spring member due to the load in the carriage, and the one in the carriage will be rocked by the fall of one side plate. Is discharged to the side of the carriage, and after the transported material is discharged, one side plate is released from the pressure of the transported material, and one side plate is swung upright by the spring member. Ejection can be performed easily.

1 is an overall side view of an embodiment of the present invention. It is a partial expanded side view of the embodiment of the present invention. It is a partial plane sectional view of the example of an embodiment of the invention. It is a partial expanded plane sectional view of an example of an embodiment of the invention. It is a partial expanded side view of the embodiment of the present invention. It is a partial expanded side sectional view of an example of an embodiment of the invention. It is a partial side view of the use condition of the embodiment of this invention. It is a partial expanded side sectional view of the use condition of the embodiment of the present invention. It is a partial expanded plane sectional view of an example of an embodiment of the invention. It is a comparative explanatory perspective view of the use condition of the embodiment of the present invention. It is a description perspective view of the use condition of the embodiment of this invention. It is a description perspective view of the use condition of the embodiment of this invention.

  FIG. 1 to FIG. 12 show an embodiment of the present invention, which is applied to a leveling work machine that involves the work of transporting goods and the work of transporting soil, and reference numeral 1 denotes a traveling machine body. 1, a tractor is used, and a mounting frame 3 is connected to a rear portion of the traveling machine body 1 by a connecting mechanism 2.

  In this case, as shown in FIGS. 1 and 2, the connecting mechanism 2 includes a lower link 4 projecting from the lower part of the left and right sides of the traveling machine body 1, and a swing arm 5 projecting from the upper part of the left and right sides of the traveling machine body 1. The lifting link 6 connecting the swing arm 5 and the middle part of the lower link 4 and the upper link 7 projecting from the upper part of the traveling machine body 1 are configured. Are connected to the mounting frame 3 by connecting pins 8, 8, 8, and the mounting frame 3 can be moved up and down by a swing arm 5 that swings by hydraulic pressure.

  Reference numeral 9 denotes a holding mechanism. In this case, as shown in FIGS. 2, 5, and 6, the mounting frame 3 is formed in a side face L shape and a rear square frame shape, and left and right vertical rods 3 a and 3 a of the mounting frame 3 are formed. A bearing portion 10a of the mounting body 10 having a triangular cross section is pivotally attached to the left and right pins 11 and 11 in such a manner that the pavement member 12 is attached to the center of the mounting body 10 in a forward and downward manner. Locking pieces 13 and 13 protrude from the left and right sides of the back surface of the plow member 12, and a stopper body 14 is provided on the lower surface of the horizontal flange 3 b of the mounting frame 3 so as to be able to contact the rear part of the lock pieces 13 and 13. 12 is configured to be able to hold and pull up in a forward and downward manner.

  4, 5, and 6, the carriage 15 has a pair of left and right side plates 17, 17, a front plate 18, and a rear plate 19 erected on four sides of a rectangular bottom plate 16. The soil introduction port 20 is formed at a position facing the plowing member 12 of the front plate 18.

  3, 4, and 6, two L-shaped reinforcing rods 21 and 21 are fixed to the outside of the front plate 18 and the bottom plate 16 of the carriage 15, and the reinforcing rod 22 is provided only on the bottom plate 16. The other reinforcing rods 23 are fixed to the left and right sides of the bottom plate 16, and the horizontal rod 3b of the mounting frame 3 is disposed between the reinforcing rods 21 and 22, and the horizontal rod 3b and the reinforcing rod 21 are fixed. A fulcrum shaft 24 is inserted into 22, and the carriage 15 is attached to the fulcrum shaft 24 so as to tilt backward.

  Reference numeral 25 denotes a guide member, which is arranged and fixed between the left and right reinforcing rods 21 and 21 at the lower part of the soil introduction port 20 as shown in FIGS. 4, 6, and 8, and matches the inclination angle of the plow member 12. A guide surface 25a is formed.

  2 and 7, the locking mechanism 26 has a hook-shaped locking arm 27 pivotally attached to a horizontal rod 3c on the upper portion of the mounting frame 3 by a shaft 27b. 27 is provided with a handle 27a, a locking portion 28 is formed at the top of the carriage 15, the locking arm 27 and the locking portion 28 are engaged, and the engagement state is maintained by the spring member 29. ing.

  Reference numeral 30 denotes a position changing mechanism, as shown in FIGS. 3, 4, 6, 8, and 9, an orthogonal direction T perpendicular to the traveling direction of the traveling machine body 1 with respect to the horizontal axis HL of the fulcrum shaft 24. In addition, the position can be changed in an oblique direction S that obliquely intersects the traveling direction of the traveling machine body 1 by an angle θ.

  In this case, as the position changing mechanism 30, as shown in FIGS. 3 and 4, the pair of left and right horizontal rods 3b and 3b of the mounting frame 3 are advanced and retracted so that they can be moved forward and backward to the fixed horizontal rod 30a and the fixed horizontal rod 30a. It is composed of a horizontal rod 30b, one fitting hole 30c is formed in the fixed horizontal rod 30a, two fitting holes 30d and 30e are formed in the advancing and retracting horizontal rod 30b, and a fulcrum shaft is provided at the tip of the advancing and retracting horizontal rod 30b. 24 is provided so that it can be inserted / removed and pivoted horizontally by a pivot bearing J, and a positioning pin 30f is inserted into one fitting / removing hole 30c of the fixed horizontal rod 30a and one of the fitting / removing holes 30d / 30e of the advancing / retreating horizontal rod 30b. The advance / retreat horizontal rod 30b is positioned in two positions, ie, a projecting position F and a retracted position R, so that the fulcrum shaft 24 is provided in the mounting frame 3 so as to be able to advance and retract in the traveling direction of the traveling machine body 1. With The point shaft 24 is disposed so as to be horizontally rotatable in the orthogonal direction T and the oblique direction S, and the fulcrum shafts 24, 24 are disposed on the pair of left and right reinforcing rods 21, 21 and the reinforcing rods 22, 22 of the carriage 15. The horizontal axis HL of the cylinders 30g and 30g and the horizontal axes HL of the fulcrum shafts 24 and 24 are at an angle with respect to the traveling direction of the traveling machine body 1. The oblique cylinder portions 30h and 30h having an oblique direction S that obliquely intersects by θ are installed, and the fulcrum shafts 24 and 24 are inserted into the orthogonal cylinder portions 30g and 30g and the advancing and retreating horizontal rod 30b, or the fulcrum shaft 24. 24 is inserted into the oblique cylinder portions 30h and 30h and the advancing and retreating horizontal rod 30b so that the horizontal axis HL of the fulcrum shafts 24 and 24 is perpendicular to the traveling direction of the traveling machine body 1 and the traveling machine body 1 Oblique with respect to direction of travel Therefore, the position can be changed in the crossing direction S that intersects.

  In this case, as shown in FIGS. 2, 5, and 7, the carriage 15 includes a bottom plate 16, a pair of left and right side plates 17, 17, a front plate 18 and a rear plate 19, and the rear plate 19 is detachable or side plate 17. The support rods 17 a and 17 a provided on the shaft 17 are configured to be swingable by a suspension shaft 31.

  In this case, as shown in FIGS. 2, 5, and 7, the carriage 15 includes a bottom plate 16, a pair of left and right side plates 17 and 17, a front plate 18, and a rear plate 19. A spring member 33 is provided on the bottom plate 16 so as to swing up and down, and swings one side plate 17 upright.

  Since this embodiment has the above-described configuration, as shown in FIG. 1, various work machines for field work and transported materials W such as fertilizers and materials are mounted in the transport table 15, and the transported material W is traveled by the traveling machine body 1. After the transportation work, the operator manually releases the locking mechanism 26, tilts the transportation base 15 backward with its own weight about the fulcrum shaft 24, and discharges the transported material W in the transportation base 15. Or carrying the traveling body 1 forward while holding the plow member 12 in a forward and downward manner, and scraping off the soil at a high place in the field M with the plow member 12. The soil is introduced and guided into the transport table 15 by the scraping member 12, the traveling machine body 1 is moved to a low place in the field M, and the soil as the transport object W is transported. 26 is released, and the carriage 15 is reared by its own weight around the fulcrum shaft 24. Is moving, discharging the soil in the carriage 15 at a low field plane M, will perform ground leveling work field M by repeating this operation.

  At this time, the position of the horizontal axis HL of the fulcrum shaft 24 can be changed to an orthogonal direction T orthogonal to the traveling direction of the traveling machine body 1 and an oblique direction S that obliquely intersects the traveling direction of the traveling machine body 1. Since the position changing mechanism 30 is provided, as shown in FIGS. 3 and 4, the horizontal axis HL of the fulcrum shaft 24 is arranged in the orthogonal direction T orthogonal to the traveling direction of the traveling machine body 1, 7A, 7B, and 10C, the carriage 15 is orthogonal to the traveling direction of the traveling machine body 1 as shown in FIGS. The load W mounted on the carriage 15 or the soil introduced onto the carriage 15 is tilted backward to the rear part of the carriage 15 by tilting backward about the horizontal axis HL of the fulcrum shaft 24 extending in the orthogonal direction T. On the other hand, as shown in FIG. By arranging the line HL in the oblique direction S that obliquely intersects the traveling direction of the traveling machine body 1, the carriage 15 moves in the traveling direction of the traveling machine body 1, as shown in FIGS. Is tilted backward about the horizontal axis HL of the fulcrum shaft 24 extending obliquely with respect to the diagonal direction S, and the load W mounted on the carriage 15 or the soil introduced onto the carriage 15 tilts backward. Accordingly, the position change mechanism 30 causes the horizontal axis HL of the fulcrum shaft 24 to be orthogonal to the traveling direction of the traveling machine body 1 and the traveling machine body 1. The position of the fulcrum shaft 24 can be changed to the orthogonal direction T or the diagonal direction S by changing the position of the horizontal axis HL of the fulcrum shaft 24 to the carriage 15. There is a transported item W Can discharge the soil introduced on the carriage 15 to the rear or side of the carriage 15, and can increase the flexibility of the delivery position of the carriage W and soil, thereby expanding the work application. Can be achieved.

  In this case, as the position changing mechanism 30, as shown in FIGS. 3, 4, and 9, the fulcrum shaft 24 is provided on the mounting frame 3 so as to freely advance and retreat in the traveling direction of the traveling machine body 1, and An orthogonal cylindrical portion 30g that can be inserted in the direction T and the oblique direction S so as to be pivotable horizontally, and through which the fulcrum shaft 24 located in the orthogonal direction T can be inserted into the carriage 15, and a fulcrum shaft 24 located in the oblique direction S. Therefore, the horizontal axis HL of the fulcrum shaft 24 can be obtained by selecting and inserting the fulcrum shaft 24 into either the orthogonal cylinder portion 30g or the oblique cylinder portion 30h. The position can be changed in the orthogonal direction T or the oblique direction S, the position of the fulcrum shaft 24 can be easily changed, and the structure can be simplified. 16, a pair of left and right side plates 17, 17; The rear plate 19 is composed of a plate 18 and a rear plate 19, and the rear plate 19 is provided so as to be detachable or swingable by a suspension shaft 31. Therefore, when the rear plate 19 is provided detachably, the rear plate 19 is transported by removing the rear plate 19. The material W mounted on the table 15 or the soil in the table 15 can be discharged to the rear, and when the rear plate 19 is provided to be swingable by the suspension shaft 31, the rear plate 19 can be removed. The carriage W mounted on the carriage 15 or the soil in the carriage 15 can be discharged to the rear. In this case, the carriage 15 includes a bottom plate 16 and a pair of left and right side plates 17. 17, the front plate 18 and the rear plate 19, and one side plate 17 is provided by a hinge 32 so as to be able to swing up and down, and a spring member 33 is provided to swing one side plate 17 upright. Remove the rear plate 19 When the horizontal axis HL of the fulcrum shaft 24 is arranged in the oblique direction S by the position changing mechanism 30 and the carriage 15 is tilted rearward about the fulcrum axis 24, the inside of the carriage 15 as shown in FIGS. The one side plate 17 of the carriage 15 swings against the spring member 33 around the hinge 32 and is mounted on the carriage 15 by the fall of the one side plate 17 due to the fall of the one side plate 17. The material W or the soil in the transport table 15 is discharged to the side of the transport table 15, and after the soil is discharged, one side plate 17 is released from the pressure of the soil, and the one side plate 17 is swung upright by a spring member 33. Therefore, the material can be easily discharged to the side of the material W or the soil.

  The present invention is not limited to the above-described embodiment, and the structure and the like of the position changing mechanism 30 are appropriately changed and designed.

  As described above, the intended purpose can be sufficiently achieved.

HL horizontal axis T orthogonal direction S oblique direction 1 traveling machine body 2 connection mechanism 3 mounting frame 15 carrier 16 bottom plate 17 side plate 18 front plate 19 rear plate 24 fulcrum shaft 30 position changing mechanism 30g orthogonal cylinder part 30h oblique cylinder part 33 spring Element

Claims (4)

A mounting frame is provided on the traveling machine body so as to be movable up and down by a coupling mechanism, and a carriage is provided on the mounting frame so as to be tiltable backward about the horizontal axis of the fulcrum shaft, and the horizontal axis of the fulcrum shaft is moved forward of the traveling machine body. A position changing mechanism capable of changing the position in an orthogonal direction orthogonal to the direction and an oblique direction intersecting obliquely with respect to the traveling direction of the traveling body is provided , and the fulcrum shaft is provided on the mounting frame as the position changing mechanism. A management work machine characterized in that it is provided so as to be able to advance and retreat in the traveling direction of the traveling machine body, and that the fulcrum shaft is arranged so as to be horizontally turnable in the orthogonal direction and the oblique direction . As the position changing mechanism, the fulcrum shaft of the pivot shaft located in the direction perpendicular to the carriage is positioned in the insertion possible orthogonal cylindrical portion and the oblique direction is by disposing the insertable swash交筒unit The management work machine according to claim 1.   The management work machine according to claim 1 or 2, wherein the carriage is composed of a bottom plate, a pair of left and right side plates, a front plate and a rear plate, and the rear plate is provided so as to be detachable or swingable.   The carriage is composed of a bottom plate, a pair of left and right side plates, a front plate and a rear plate. The one side plate is provided so as to freely swing up and down, and a spring member is provided for swinging the one side plate upright. The management work machine according to any one of claims 1 to 3.