JP2017216918A - Farm field trench excavator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a farm field trench excavator in which the soil of a farm field face is excavated by a plow member and discharged to a sideway by making a machine frame travel by a traveling machine body to thereby perform a digging work on the farm field face, a crushing member can secure a flow passage of a digging trench by crushing blocked soil as a barrier for blocking a flow passage of an existing digging trench since the crushing member is capable of crushing the blocked soil which is produced in the existing digging trench resulting from the progressive formation of the digging trench, and eliminate hindrance to drainage performance, thereby surely keeping a drainage function of the digging trench.SOLUTION: A machine frame 3 is connected to a traveling machine body 1 by a connecting mechanism 2, a plow member 11 which scoops up farm field soil and discharges it to a sideway and can form a digging trench W on a farm field face a is arranged at the machine frame, and a crushing member 26 which can crush backed soil DH which is produced in an existing digging trench WK resulting from the progressive formation of the digging trench is arranged at the machine frame.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a field ditcher for forming a drainage drainage drainage in a field such as a paddy field.

  Conventionally, as this type of field grooving machine, the machine frame is connected to the traveling machine body by a connecting mechanism, the machine frame is provided with a grooving body that can be grooved in a field scene, and the machine frame has a forward position in the traveling direction of the grooving body. A pre-processing member that can discharge side scattered matter such as sawdust scattered sideways in the field is rotatably provided, and the side of the machine frame at the rear side in the direction of travel of the grooved body is scraped off. The upper edge of the field is provided with a plow member that can be discharged to the side of the field to form a digging groove in the field, and further, the left and right upper corner edges of the digging groove dug by the plowing member are formed in the machine frame And the thing of the structure which provided the stable member which can be slidably contacted in the groove | channel inner surface is known.

  When the traveling machine body travels through the machine frame, the grooving body advances while rotating and the grooves are grooved in the field scene, such as sawdust scattered in the field scene in the forward direction of the grooving body. The scattered field is discharged to the side by the rotation of the pretreatment member, the soil grooved by the grooving body is dug by the plowing member behind it and discharged to the side, and the dug groove is dug into the field. The stabilizing member is slidably contacted with the field upper edge surface and the inner surface of the groove forming the left and right upper corner edges of the digging groove dug by the plowing member, so that the digging groove continuously in the field scene. Will be formed.

Japanese Patent No. 3479978

  However, in the case of the above conventional structure, when the digging groove is formed so as to cross the existing digging groove, the field soil accumulates in the existing digging groove intersected by the scooping operation and the side discharge operation of the plow members. And these sedimentary soils act as a blocking soil that serves as a barrier to block the channel of the digging groove, and due to the progressive formation of the digging groove, the blocking soil is generated in the existing digging groove, The closed soil becomes a barrier that blocks the channel of the existing digging groove, and there is a disadvantage that the water channel function of the digging groove may be lowered.

  The present invention aims to solve these disadvantages, and the invention according to claim 1 is characterized in that the machine frame is connected to the traveling machine body by a connecting mechanism, and the field soil is scraped to the machine frame to the side. A crushing member capable of crushing the clogged soil generated in the existing digging groove due to the formation of the digging groove due to the formation of the above digging groove is provided It is in the field ditcher characterized by being provided.

  According to a second aspect of the present invention, there is provided a stabilizing member slidably in contact with the field upper edge surface and the groove inner side surface forming the left and right upper corner edges of the digging groove on the machine frame. In addition, a crushing member capable of crushing the closed soil generated in the existing digging groove due to the progressive formation of the digging groove is provided.

  As described above, according to the present invention, the machine frame is driven by the traveling machine body, and the soil in the farm scene is dug by the plow member and discharged to the side. The crushing member is provided with a crushing member capable of crushing the closed soil generated in the existing digging groove due to the progressive formation of the digging groove. The clogging soil as a barrier to block the existing digging channel can be crushed to secure the digging channel, preventing drainage and preventing the drainage function of the digging channel. Can be held.

  Further, in the invention of claim 2, the field frame is provided with a stabilizing member slidable on the field upper edge surface and the groove inner side surface forming the left and right upper corner edges of the digging groove, Since the stabilizing member is provided with a crushing member capable of crushing the clogged soil generated in the existing digging groove due to the progressive formation of the digging groove, the stabilizing member is digged by the plowing member. The slidable contact with the field upper edge surface and the groove inner side surface forming the left and right upper corner edges of the groove, the height of the plow member can be stabilized by the stabilizing member, and the side of the plow member and the groove cut body Swing can be suppressed, and the plow members can scoop up the field mud and increase the traction force depending on the state of the field soil, and the depth of the digging groove can be kept substantially constant. Due to the formation of the digging groove in the stable member. Since the crushing member that can crush the clogged soil generated in the existing digging groove is provided, the crushing member crushes the clogged soil as a barrier that blocks the flow path of the existing digging groove, and A flow path can be secured, drainage performance is not hindered, the drainage function of the digging groove can be reliably maintained, and the crushing structure of the crushing member 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 a fragmentary top view of the example of an embodiment of the invention. It is a partial longitudinal cross-sectional view of the embodiment of this invention. It is a fragmentary sectional side view of the example of an embodiment of the invention. It is a partial longitudinal cross-sectional view of the embodiment of this invention. It is a fragmentary perspective view of the example of an embodiment of the invention. It is a back longitudinal cross-sectional view of the description part of the embodiment of this invention. It is a back longitudinal cross-sectional view of the description part of the embodiment of this invention.

  1 to 9 show embodiments of the present invention. As shown in FIGS. 1 and 2, reference numeral 1 denotes a traveling machine body, in this case, a tractor. 3 is connected, and the connecting mechanism 2 includes left and right lower links 4, an upper link 5, a hydraulic arm 6 and a lifting link 7, and the machine frame 3 is provided so as to be swingable up and down by swinging of the hydraulic arm 6. .

  8 and 8 are a pair of grooved bodies, as shown in FIG. 2, having a plurality of blades 8a cut out on the outer periphery, and a support member 3a fixed to the machine frame 3 in a vertically downward manner. Then, a pair of opposing mounting pieces 3b and 3b are formed at the lower end portion of the support member 3a, and the cylinder 9 is attached between the mounting pieces 3b and 3b, and the axle 10 is rotatably supported on the axle 9 so that the axle 10 Grooves 8 and 8 are attached to both left and right end portions at a predetermined interval.

  Reference numeral 11 denotes a plow member. In this case, as shown in FIGS. 2 and 3, the tip of the plow member 11 is formed in a tapered cut portion 11a having a width substantially the same as the width between the groove cut bodies 8 and 8. At the same time, the rear part is formed in a discharge part 11b twisted so as to discharge the excavated soil D to the side.

  In this case, as shown in FIG. 2 and FIG. 3, the tip end portion of the U-shaped mounting arm 12 is pivotally attached by the support shaft 13 between the mounting pieces 3b and 3b below the support member 3a of the machine frame 3, and the machine frame A nut body 15 is pivotally attached to the upper part of the pin 3 by a pin 14 so that the nut body 15 can swing up and down around the pin 14. A screw 16 is screwed to the nut body 15 and a handle 17 is screwed to the screw 16. Then, the screw 16 is provided so as to be movable up and down by the forward and reverse rotation of the handle 17, the lower end of the screw 16 is pivotally attached to the middle portion of the mounting arm 12 by the pin 18, and the plowing member 11 is attached to the mounting arm 12 by the bolt 19. Thus, the mounting arm 12 is configured to swing up and down about the support shaft 13 by the forward and reverse rotation of the handle 17 so that the plowing member 11 can be adjusted up and down.

  Reference numeral 20 denotes a pretreatment member. In this case, as shown in FIGS. 2, 3, and 4, a plurality of discharge members 20c are radially attached to the mounting shaft 20a, the mounting disk 20b, and the mounting disk 20b by bolts 20d. In this case, an input shaft 21a and an output shaft 21b are provided on the machine frame 3 so as to be rotatable by bearings 21c and 21c, and a gear mechanism 21d is provided between the input shaft 21a and the output shaft 21b. The power take-off shaft 1a of the tractor as the traveling machine body 1 and the input shaft 21a are connected by a universal joint 21e, the output shaft 21b and the mounting shaft 20a are directly connected, and the mounting disk 20b is mounted on the mounting shaft 20a. The cover member 20e is attached to the machine frame 3, and the pretreatment member 20 is rotated by the rotation of the power take-off shaft 1a, and the dust is scattered in the field scene a in the forward direction of the groove cut bodies 8 and 8. Constitute the field scattered object E to discharge laterally.

Reference numeral 22 denotes a stabilizing member. In this case, as shown in FIGS. 5 and 6, the left and right field upper edge surfaces W that form the left and right upper corner edges of the digging groove W dug by the plowing member 11. ₁ · W ₁ and left and right groove inner side surfaces W ₂ and W ₂ are formed so as to be slidable.

In this case, as shown in FIGS. 5 and 6, the stabilizing member 22 can be slidably contacted with the left and right field upper edge surfaces W ₁ and W ₁ that form the left and right upper corner edges of the digging groove W. upper contact plate face 22a · 22a, connecting plate surface 22c between the right and left groove side _W 2 · _{W 2} in slidable contact with side abutting plate surfaces 22b · 22b and left and right side abutment plate surface 22b · 22b are formed The front edge portions of the upper contact plate surfaces 22a and 22a and the connection plate surface 22c are formed as warped surfaces, a support piece 23 is projected from the rear surface of the mounting arm 12, and a connecting piece 24 is formed on the stabilizing member 22. Then, the support piece 23 and the connection piece 24 are connected by the connection pin 25, whereby the stabilization member 22 is attached to the attachment arm 12 so as to be slightly swingable.

  Reference numeral 26 denotes a crushing member. In this case, as shown in FIGS. 3, 5, and 6, a crushing roll part 26 a and a roll shaft part 26 b are formed in a cylindrical roll shape, and a pair of left and right are connected to the connecting pin 25 of the stabilizing member 22. A support arm 27 made of an L-shaped plate material is pivotally mounted, a bifurcated support frame portion 27a is formed at the base end portion of the support arm 27, and a roll shaft portion 26b of a cylindrical roll-shaped crushing member 26 is formed on the support frame portion 27a. The crushing member 26 is provided so as to be swingable up and down around the connecting pin 25.

  Thus, as shown in FIG. 7, when the digging groove W is progressively formed, the crushing roll portion 26a of the crushing member 26 rolls on the farm scene a and crosses the existing digging groove WK to cross the existing digging groove. When positioned in the groove WK, the crushing member 26 swings downward about the connecting pin 25 and is digged by the clogging soil DH generated at the intersection with the existing digging groove WK by digging the plowing member 11 or by the plowing member 11. Due to the clogging soil DH in the existing digging groove WK caused by the fall of the digging soil D taken and discharged to the side into the existing digging groove WK, that is, due to the progressive formation of the digging groove W Then, the closed soil DH generated in the existing digging groove WK is crushed by the crushing member 26 by the downward swing of the crushing member 26 around the connecting pin 25 as shown in FIGS. Will be crushed when passing through the existing digging groove WK 6 is raised and swung around the connecting pin 25, and the crushing roll portion 26a of the crushing member 26 rides on the farm scene a and rolls. The clogging of the clogging soil DH can be secured by crushing the clogging soil DH as a barrier that clogs the flow path of the existing digging groove WK, and the water channel function of the digging grooves W and WK can be maintained. it can.

  Reference numerals 28 and 29 denote weights, as shown in FIGS. 1, 2, and 3, in which hanging frames 3c are formed on both the left and right sides of the machine frame 3, and the weights 28 are detachably mounted on the hanging frames 3c. Further, a weight 29 is detachably suspended from the support arm 27, and the weight of the weight 28 suppresses the rise of the machine frame 3 due to the grooving resistance of the plowing member 11, and the crushing member 26 and The deadweight of the weight 29 enables the clogging of the closed soil DH by the crushing member 26, and the water channel function of the digging grooves W and WK is reliably maintained.

Since this embodiment is configured as described above, as shown in FIGS. 1 and 2, the machine frame 3 is lowered by the connecting mechanism 2 so that the lower part of the grooved bodies 8 and 8 and the lower part of the plowing member 11 are placed in the field. The machine body 3 is driven by the traveling machine 1 through the machine body a, and the scattered field E such as sawdust and stock scattered in the farm scene a at the forward position of the groove cutting bodies 8 and 8 is It is discharged to the side by the pretreatment member 20, and accordingly, the grooving resistance of the grooving bodies 8 and 8 and the grooving resistance of the plowing member 11 can be reduced, and the grooving bodies 8 and 8 are rotating together. Proceed to cut two strip grooves R in the field scene a. In this case, the grooving resistance is reduced by the blades 8a and 8a, and the soil between the two grooves is dug by the plowing member 11 behind it. The stabilizing member 22 is taken to the left and right of the digging groove W excavated by the plowing member 11. Upper corner edges of the field on the edge surfaces W ₁ · _{W 1} and the inner groove side W ₂ · _{W 2} sliding contact with the forming, the height of the plow member 11 can be made to stable by stabilizing member 22, field soil In this state, the plowing member 11 can suppress excessively removing the field mud and increase the traction force, the depth of the digging groove W can be kept substantially constant, and the digging work of the digging groove W can be smoothly performed. Can be done.

In this case, as shown in FIGS. 5 and 6, the stabilizing member 22 can be slidably contacted with the left and right field upper edge surfaces W ₁ and W ₁ that form the left and right upper corner edges of the digging groove W. upper contact plate face 22a · 22a, connecting plate surface 22c between the right and left groove side _W 2 · _{W 2} in slidable contact with side abutting plate surfaces 22b · 22b and left and right side abutment plate surface 22b · 22b are formed In addition, since the front edge portions of the upper contact plate surfaces 22a and 22a and the connection plate surface 22c are formed as warped surfaces, the upper contact plate surfaces 22a and 22a may stabilize the level of the plow member 11. The lateral contact plate surfaces 22b and 22b of the stabilizing member 22 can suppress the lateral swing of the plowing member 11 and the grooved bodies 8 and 8, and the digging operation can be performed satisfactorily.

  At this time, as shown in FIGS. 5 and 6, a crushing member capable of crushing the closed soil DH generated in the existing digging groove WK due to the progressive formation of the digging groove W in the stabilizing member 22. 26 is provided, the crushing member 26 can crush the clogging soil DH as a barrier to block the flow path of the existing digging groove WK to secure the flow path of the digging groove W / WK, and drainage drainage Therefore, the drainage function of the digging grooves W and WK can be reliably maintained, and the crushing structure of the crushing member 26 can be simplified.

  In the above embodiment, the groove cut bodies 8 and 8 are formed as a pair of groove cut bodies, but the groove cut bodies 8 and 8 are formed as blade-shaped groove cutting blades, or one groove cut body. In addition, in the above embodiment, the pair of groove cut bodies 8 and 8 and the plowing member 11 are arranged as a pair. There may be a group or more, and the structure or the like of the stabilizing member 22 is designed with appropriate changes.

  In the above-described embodiment, the closed soil DH is crushed by the dead weight of the crushing member 26 and the weight 29, but a structure that crushes by a spring mechanism may be employed.

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

a field scene W digging groove WK existing digging groove W ₁ field upper edge W ₂ groove inner surface DH blockage soil 1 traveling machine body 2 connection mechanism 3 machine frame 11 plowing member 22 stabilizing member 26 crushing member

Claims (2)

  A machine frame is connected to the traveling machine body by a connecting mechanism, and a plowing member that can form a digging groove in a field scene by scooping the field soil into the machine frame and discharging it to the side is provided. A field ditcher characterized in that it is provided with a crushing member capable of crushing a closed soil generated in an existing digging ditch due to progress formation.   The machine frame is provided with a stabilizing member that can slide in contact with the upper edge surface of the field and the inner side surface of the groove forming the left and right upper corner edges of the digging groove, and the stability member is caused by the progressive formation of the digging groove. The field ditcher according to claim 1, further comprising a crushing member capable of crushing the blocked soil generated in the existing digging ditch.