JP6247665B2 - Underdrain formation device - Google Patents

Description

  The present invention relates to a culvert forming apparatus that forms a culvert in, for example, paddy field or field soil of a field.

  Conventionally, as this type of culvert formation device, a machine frame is connected to a traveling machine body by a connecting mechanism, and a penetration beam is vertically installed in the machine frame so as to be freely swingable in a traveling direction by a shaking mechanism. A bullet body that can form a culvert in the soil in the field is disposed, and the side surface of the penetration groove formed by extending in the vertical direction in the field soil by the penetration beam at a position behind the penetration direction of the penetration beam There is known a structure in which an expansion member capable of forming a vertical opening that opens to the ground surface is provided by expanding the structure and an expansion mechanism for expanding the expansion member is provided.

  Thus, paddy fields and the like are composed of a plowing layer on the surface, a plowing layer below it, and a core soil layer below, and a penetration beam is made to penetrate into the plowing layer, the plowing layer, and the core soil layer. The side surface of the penetration trace groove formed by breaking the layer to form the penetration trace groove and forming a culvert hole in the core soil layer below it by a bullet body and extending vertically in the field soil by the expansion member The vertical surface that opens to the ground surface is formed by extending the surface, and the ground surface and the underdrain are communicated by the presence of the longitudinal channel and the penetration groove, so that drainage is improved, water management, paddy field cultivation, microorganisms Reproductive activation and growth of deep roots of paddy rice will be improved.

Japanese Patent No. 4101538

  However, in the case of the above-described conventional structure, the penetration groove and the vertical opening are formed on the ground surface of the field with a relatively small cross-sectional area. The opening may be blocked by mud on the surface of the field, and the distance from the ground surface of the field to the culvert may be relatively long, which may reduce the drainage and breathability of the field. ing.

The present invention aims to solve such inconveniences. Among the present inventions, the invention according to claim 1 is that the machine frame is connected to the traveling machine body by a connecting mechanism, and the machine frame is penetrated. The beam is vertically arranged so as to be freely swingable in the traveling direction by a swinging mechanism, and a bullet body capable of forming a culvert in the field soil is disposed below the penetrating beam, and the rear position in the traveling direction of the penetrating beam An extension member that can extend the side surface of the penetration mark groove formed by extending in the vertical direction in the field soil by the penetration beam to form a vertical opening that opens to the ground surface is provided, and the extension member is expanded. will be disposed an extension mechanism for operating, Ri Na provided deliverable chaff feed mechanism chaff to the vertical opening path, the chaff feed mechanism, which can accommodate the storage tank the chaff, the A feed pipe capable of dropping and feeding rice husks from the storage tank into the above-mentioned vertical port, and opening and closing the rice husk passage of the feed pipe Consists ability opening and closing mechanism, characterized in that the closing mechanism comprises a chaff passage of the feed tube from the open pivot member, said pivot member is provided to be opened and closed pivoting operation by extended operation of the extension member It is in a culvert forming apparatus.

As described above, according to the first aspect of the present invention, the penetration beam penetrates into the field soil while swinging in the traveling direction to form a penetration trace groove. At the same time, a culvert is continuously formed by the bullets at the back of the penetration, and the expansion member disposed at the back of the penetration beam in the traveling direction is expanded by the expansion mechanism. In this case, a vertical groove-like channel that opens to the ground surface is formed by extending the penetration trace groove formed extending in the direction, and the rice husk can feed rice husk into the vertical channel Since the feeding mechanism is provided, the rice husk can be fed to the vertical port by the rice husk feeding mechanism, and the rice husk is packed into the vertical port by feeding the rice husk to the vertical port, Due to the presence of rice husks, the entrance of the mud in the farm scene from the opening of the longitudinal exit and the mud dirt constriction on the inner surface of the longitudinal exit It is possible to suppress blockage, and the water in the field will reach the culvert through the opening of the vertical channel through the gap between the rice husks, and the drainage and breathability of the field can be maintained well. It is possible to improve drainage, water management, dry paddy fields, activation of microbial propagation, growth of deep roots of paddy rice, etc. , and the rice husk feeding mechanism A storage tank that can be stored, a feed pipe that can drop and feed rice husk from the storage tank into the vertical opening, and an opening and closing mechanism that can open and close the rice husk passage of the supply pipe. The structure of the rice husk feeding mechanism capable of feeding can be simplified, and the opening / closing mechanism is composed of a turning member capable of opening and closing the rice husk passage of the feeding pipe, and the turning member is formed by an expansion operation of the expansion member. Because it can be opened and closed and swiveled, Can pivot member is reliably fed into the longitudinal opening passage to chaff with the structure of the switching mechanism so that the opening and closing pivoting can be simplified.

1 is an overall side view of an embodiment of the present invention. It is an expansion side sectional view of an example of an embodiment of the invention. It is an expansion plane sectional view of an example of an embodiment of the invention. It is an expansion side sectional view of an example of an embodiment of the invention. It is a partial expanded side sectional view of an example of an embodiment of the invention. It is a partial front sectional view of an embodiment of the present invention. It is a fragmentary sectional side view of the example of an embodiment of the invention. It is a partial front sectional view of an embodiment of the present invention. It is a partial plane sectional view of the example of an embodiment of the invention. It is an explanation plane sectional view of an example of an embodiment of the invention. It is a partial plane sectional view of the example of an embodiment of the invention. It is a partial rear sectional view of an example of an embodiment of the invention. It is a partial plane sectional view of the example of an embodiment of the invention. It is a partial rear sectional view of an example of an embodiment of the invention. It is a partial plane sectional view of the example of an embodiment of the invention. It is sectional drawing after description of the embodiment of this invention. It is an explanation plane sectional view of an example of an embodiment of the invention.

  1 to 17 show an embodiment of the present invention. Reference numeral 1 denotes a traveling vehicle body. In this case, a tractor is used. As shown in FIGS. The machine frame 3 is connected by a connecting mechanism 2 so as to be movable up and down.

  In this case, as shown in FIGS. 1, 2, and 3, the connecting mechanism 2 includes left and right lower links 2 a and 2 a, upper links 2 b, lifting links 2 c and 2 c, and hydraulic arms 2 d. A three-point link mechanism composed of 2d is provided, and the machine frame 3 is connected to the traveling machine body 1 by this three-point link mechanism, and the machine frame 3 can be moved up and down by the vertical swing of the hydraulic arms 2d and 2d of the three-point link mechanism. It is provided and configured.

  4 is a penetrating beam, and 5 is a shaking mechanism. In this case, as shown in FIGS. 2 and 4, the middle part of the swinging arm 6 is pivotally attached to the machine frame 3 by a fulcrum shaft 7 so as to freely swing. At the same time, the main shaft 8 is rotatably mounted on the machine frame 3 by bearings 8a and 8a. 9 and an eccentric wheel mechanism 10 is interposed between the main shaft 8 and the front portion of the swing arm 6 in the traveling direction. In this case, as shown in FIGS. An eccentric shaft portion 10a is formed between the bearings 8a and 8a of the main shaft 8, and the central axis of the eccentric shaft portion 10a is eccentric by an eccentric amount ε with respect to the rotational axis of the main shaft 8, and the connecting member 10b is connected to the eccentric shaft portion 10a. The upper bearing 10c is fitted, and the base shaft 6a of the swing arm 6 is fitted to the lower bearing 10d of the connecting member 10b. The swing arm 6 is guided to swing up and down by the guide rolls 6b and 6b and the guide pieces 3a and 3a, and the swing arm 6 is swung up and down around the fulcrum shaft 7 through the eccentric ring mechanism 10 by the rotation of the main shaft 8. The penetrating beam 4 is attached to the rear end portion of the swinging arm 6 in the vertical direction, the housing 11 is attached to the lower end portion of the penetrating beam 4, and a bullet-shaped bullet body 13 is attached by the hook-shaped connecting member 12. Are connected.

  Thus, as the traveling machine 1 advances, the penetration beam 4 is penetrated into the field soil W while being oscillated in the advancing direction by the oscillation mechanism 5 to form the penetration trace groove S and the bullet body 13. Undercut H will be formed continuously.

  Reference numeral 14 denotes an expansion member, and reference numeral 15 denotes an expansion mechanism. The expansion member 14 is disposed at a vertical opening forming position D as a rear position in the traveling direction of the penetration beam 4. 10 is formed so as to be able to form a vertical opening T that opens to the ground surface M by extending one side surface of the penetration trace groove S formed to extend in the vertical direction. As described above, the expansion member 14 is moved from the non-expanded position K facing backward in the traveling direction toward the traveling direction, and in this case, the expansion member 14 is intermittently forcedly expanded to the extending position G shifted by θ = approximately 80 ° from the rearward direction in the traveling direction. It is configured to operate.

  In this case, as the expansion mechanism 15, as shown in FIG. 2, a bearing cylinder 16 is provided vertically at the rear part of the machine casing 3, and a shaft-like body 17 is provided vertically on the bearing cylinder 16 so as to be rotatable in a vertical direction. Plate-shaped bearing pieces 18 and 18 narrower than the penetration trace groove S are formed at the front and rear portions of the bearing cylinder 16, and the upper portion of the expansion member 14 is attached to the lower end portion of the shaft-shaped body 17. 14 is rotatably supported by bearing pieces 18 and 18 by support pins 18a, and the expansion member 14 is formed with a blade-like protrusion 14a extending vertically, and in this case, as shown in FIG. As described above, the intermittent extension mechanism 15a is used as the extension mechanism 15. In this case, the speed reduction mechanism 19 is attached to the machine casing 3, the input shaft 19a of the speed reduction mechanism 19 and the main shaft 8 are connected by the joint 8b. The turning arm 20 is attached to the output shaft 19b, and the pushing roll 2 is attached to the turning arm 20. Implanted and are horizontally projecting a depressible engagement claw portion 22 by pressing roll 21 on the upper end portion of the shaft-like member 17.

  3, 10, and 11, the output shaft 19 b of the speed reduction mechanism 19 is rotated by the rotation of the main shaft 8, and the turning arm 20 is horizontally turned in the arrow direction by the rotation of the output shaft 19 b. The pushing roll 21 engages and pushes the engaging claw member 22, and the pushing member forcibly rotates a predetermined angle longitudinally by this pushing, and as a result, as shown in FIGS. When the path T is expanded and the push roll 21 is separated from the engaging claw member 22 by further rotation, the blade-like protrusion 14a of the expansion member 14 is formed in the penetration trace groove S of the penetration beam 4. The projecting body 14a of the expansion member 14 is intermittently reciprocated by a predetermined angle by contacting the side surface and returning and returning, and the penetration beam 4 is formed to extend in the vertical direction of the soil in the field W. Forming a vertical opening T that opens to the ground surface M by expanding one side surface of the trace groove S To become.

  Reference numeral 23 denotes a pre-grooved body. As shown in FIG. 6, a mounting piece 23a is suspended from the machine frame 3, and the pre-grooved body 23 is rotatably mounted on the mounting piece 23a by an axle 23b. The pre-groove F is formed at a forward position in the traveling direction.

  2 and 3, in this case, as shown in FIGS. 2 and 3, mounting arms 24a and 24a are arranged at the left and right side positions of the machine casing 3 so as to be adjustable by a height adjusting mechanism 24b. The rolling element 24 is grounded to the ground surface M so that the stable running of the machine frame 3 and the formation height of the underdrain H from the ground surface M are set.

  25 is a rice husk feeding mechanism, which is configured to feed the rice husk C into the vertical port T. In this case, as shown in FIGS. The storage tank 26 that can store the rice husk C, the supply pipe 27 that can drop and feed the rice husk C from the storage tank 26 into the vertical port T, and the rice husk passage P that can be opened and closed can be opened and closed. In this case, the mounting frame 25a is attached to the rear part of the machine frame 3 in the moving direction, and the storage tank 26 is attached to the mounting frame 25a. In this case, as shown in FIGS. 26 includes a filling inlet 26a that can be filled with rice husk C, a lid body 26b, a discharge port 26c, and an opening / closing plate 26d, and the rice husk C can be discharged by opening and closing the opening / closing plate 26d.

  In this case, the opening / closing mechanism 28 includes a turning member 28a capable of opening and closing the rice husk passage P of the feeding pipe 27, and the turning member 28a is provided so as to be capable of opening / closing turning by the expansion operation of the expansion member 14. The feed pipe 27 is attached to the outer peripheral surface of the bearing cylinder 16 via a connecting piece 16a, and the upper end of the feed pipe 27 and the discharge port 26c of the storage tank 26 are connected by a flexible connecting pipe 27a. Then, the lower end portion of the feed pipe 27 is provided at a position close to the ground surface M of the farm field with the lower end of the feed pipe 27 positioned upward, and the swiveling member 28a is provided as shown in FIGS. 12, 13, 14, and 15. The swivel member 28a is attached to the expansion member 14 and formed into a disc shape. The swivel member 28a is provided so as to be swivelable between a position facing the lower end surface of the feed pipe 27 and a side retreat position by the expansion operation of the expansion member 14. ing.

  Thus, when the expansion member 14 is in the non-expanded position K, the swiveling member 28a is positioned opposite the lower end surface of the feed pipe 27 to close the lower end of the rice husk passage P, while the expansion member 14 is in the expanded position G. At a certain time, the swivel member 28a retreats to the side of the feed pipe 27 to open the rice husk passage P, and the rice husk C falls by its own weight from the lower end of the rice husk passage P. As shown in FIGS. It will be fed to the road T.

  Since this embodiment has the above-described configuration, the penetration beam 4 is penetrated into the field soil W while being oscillated in the advancing direction as the traveling machine body 1 advances to form a penetration trace groove S. The culvert H is continuously formed by the bullet 13 at the rearward penetration position of the housing 11, and the expansion member 14 disposed at the rearward position in the traveling direction of the penetration beam 4 is expanded by the expansion mechanism 15. The penetration trace groove S formed by extending in the vertical direction of the soil in the field W is expanded by the beam 4 to form a vertical groove-shaped vertical passage T opened to the ground surface M.

  In this case, since the rice husk feeding mechanism 25 capable of feeding the rice husk C is provided in the vertical port T, the rice husk C can be fed to the vertical port T by the rice husk feeding mechanism 25. When the rice husk C is fed to the mouth T, the rice husk C is packed in the vertical mouth T, and the presence of the rice husk C causes the intrusion of mud in the field scene a from the opening of the vertical mouth T or the vertical mouth It is possible to prevent the vertical channel T from being blocked by the mud constriction opening on the inner surface of T, and the water in the farm scene a reaches the underdrain H through the gap between the rice husks C from the opening of the vertical channel T. It is possible to maintain good drainage and air permeability of the field, improve drainage, water management, dry paddy field, activate microbial propagation, and deepen root growth of paddy rice etc. Further, in this case, the rice husk feeding mechanism 25 is provided with a storage tank 26 and a storage tank 26 that can store the rice husk C. Since the rice husk C is composed of a feeding pipe 27 capable of dropping and feeding the rice husk C into the vertical channel T and an opening / closing mechanism 28 capable of opening and closing the rice husk passage P of the feeding tube 27, the rice husk C is fed into the vertical port T. The structure of the possible rice husk feeding mechanism 25 can be simplified. In this case, the opening / closing mechanism 28 includes a turning member 28a capable of opening and closing the rice husk passage P of the feeding pipe 27. Since the expansion member 14 is provided so that it can be opened and closed and swung, the swiveling member 28 a can be opened and closed by the expansion operation of the expansion member 14, thereby simplifying the structure of the opening and closing mechanism 28. The rice husk C can be reliably fed into the vertical opening T.

  In this case, since the pregrooving body 23 capable of grooving the pregroove groove F in the farm scene a is provided at the forward position of the penetration beam 4 in the traveling direction, the pregrooving body 23 rotates with rotation. As it advances, the pre-groove F is cut in the farm scene a, and after the pre-groove F, the penetration beam 4 is penetrated while swinging in the advancing direction to form the penetration trace groove S. The formation resistance of the trace groove S is reduced, and the formation workability of the penetration trace groove S is improved.

  Further, the machine frame 3 is provided with a roller body 24 capable of setting the height of the undercarriage H so as to be adjustable in height. In this case, mounting arms 24a and 24a are provided at both left and right positions of the machine frame 3 to adjust the height. Since the rolling element 24 is provided on the mounting arms 24a and 24a so that the height of the machine frame 3 can be adjusted by adjusting the height of the mounting frame 24b. The formation height from the ground surface M is set.

  The present invention is not limited to the above-described embodiment, and the traveling machine body 1, the coupling mechanism 2, the vibration mechanism 5, the expansion member 14, the expansion mechanism 15, and the rice husk feeding mechanism 25 are appropriately modified and designed. Is.

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

W Underground soil S Penetration groove H Dark shaft M Ground surface T Longitudinal channel C Rice husk P Rice husk passage 1 Traveling machine body 2 Connection mechanism 3 Machine frame 4 Penetration beam 5 Shaking mechanism 13 Bullet body 14 Expansion member 15 Expansion mechanism 25 Rice husk feed mechanism 26 Storage tank 27 Feed pipe 28 Opening / closing mechanism 28a Rotating member

Claims (1)

The machine frame is connected to the traveling machine body by a connection mechanism, and the penetration beam is vertically installed in the machine frame so as to be freely swingable in the traveling direction by the shaking mechanism, and a culvert is formed in the field soil below the penetration beam. A possible bullet body is arranged, and the side surface of the penetration trace groove formed by extending in the vertical direction in the field soil is expanded by the penetration beam at a position behind the penetration direction of the penetration beam and opened to the ground surface. a vertical opening path capable of forming extension member is provided, it was arranged an expansion mechanism for expanding operating the expansion member, Ri Na provided deliverable chaff feed mechanism chaff to the vertical opening path The rice husk feeding mechanism is capable of opening and closing a housing tank capable of housing the rice husk, a feeding pipe capable of dropping and feeding the rice husk from the housing tank into the vertical port, and a rice husk passage of the feeding pipe. An opening / closing mechanism, and the opening / closing mechanism comprises a turning member capable of opening and closing the rice husk passage of the feeding pipe, and the turning portion Underdrain forming apparatus characterized by is provided to be opened and closed pivoting operation by extended operation of the expansion member.