JP2019071900A - Field trencher - Google Patents

Abstract

To provide a crushing member capable of securing a flow path of a trench by crushing choked earth as a barrier closing the flow path of an existing trench and reliably retaining a drainage function of the trench without causing any hindrance to drainage performance.SOLUTION: A crushing member 26 capable of crushing field soil, is vertically-swingably provided at a stabilizer member 22. A field trencher includes a crushing structure causing the crushing member to crush choked earth DH formed at a crossing part with an existing trench WK due to digging-up by a plowing member 11 or choked earth formed in the existing trench caused by progress/formation of the rench, as the choked earth in the existing trench formed by falling of the dug-up earth D in the existing trench, the dug-up earth dug up by the plowing member and discharged laterally.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a field ditch for forming a ditch for drainage in a field such as a paddy field, for example.

  Conventionally, as a field ditch digging machine of this type, a machine frame is connected to a traveling machine body by a connection mechanism, a ditch capable of performing ditching is provided on the ditch and a forward direction of the direction of advance of the ditch on the machine frame A pretreatment member capable of discharging side scatters of field scattered matters such as chips and the like scattered on the side of the road is rotatably provided, and the field soil at the rear position in the traveling direction of the grooved body is scooped on the machine frame The field upper edge surface which provides the gap member which can be discharged to the side and can form a digging groove in the reed scene, and furthermore, forms the upper left and right upper edge of the digging groove excavated by the gap member in the machine frame And the thing of the structure which provided the stable member which can be slidably contacted in the side surface in a groove | channel is known.

  Thus, when the traveling body travels the machine frame, the grooved body rotates and advances to form grooves in the weir scene, and scraps etc. scattered in the weir scene in the forward direction of the grooved body Scatters of fields are discharged to the side by the rotation of the pre-treatment member, the soil cut by the ditch is excavated by the gap members at the back and excreted to the side, and the ditch is dug in the field. The stabilization member is in sliding contact with the field upper edge surface and the inner side surface of the field forming the left and right upper corner edges of the digging groove excavated by the gap member, thereby continuously digging the ditch Will be formed.

Patent No. 3479781

  However, in the case of the above-described conventional structure, when forming a ditch crossing the existing ditch, the field soil is deposited in the existing ditch which is intersected by the scooping operation and the side discharge operation of the gap member. These sedimentary soils act as a closed soil that serves as a barrier that blocks the flow path of the digging groove, and the closed soil is created in the existing digging groove due to the formation of the above-mentioned digging groove. The closed soil has a disadvantage in that it may be a barrier for closing the channel of the existing digging groove and may reduce the channel function of the digging groove.

  The present invention is intended to solve these problems, and the invention according to claim 1 connects the machine frame to the traveling machine body by the connection mechanism, and cuts the groove to the machine frame in which the groove can be cut in the fence scene A body is provided, and the field soil at a position behind the traveling direction of the grooved body is scooped and discharged sideways to the machine frame, and a clearance member capable of forming a digging groove in a weir scene is provided. The machine frame is provided with a stable member which can be in sliding contact with the field upper edge surface forming the left and right upper corner edges of the digging groove excavated by the gap member and the inner side surface of the groove. A crush member capable of crushing the field soil is provided so as to freely swing up and down, and closed soil generated at the intersection with the existing digging groove by digging the gap member or excavated by the gap member and discharged sideward As a closed soil in the existing ditch caused by the depression of the excavated soil into the existing ditch In field grooving machine characterized by comprising comprises crushing structure for crushing the obstruction soil due to progress the formation of the drilling Tomizo is caused in an existing drilling Tomizo by piezoelectric 潰部 material.

  As described above, according to the present invention, in the invention according to claim 1, the machine frame is caused to travel by the traveling airframe, the grooved body cuts the groove in the weir scene, and the soiled soil is the rear thereof And the stabilizing member is in sliding contact with the field upper edge surface and the side surface inside the groove forming the left and right upper corner edges of the digging groove excavated by the gap member. The stability member can make the height of the clearance member stable and can suppress the lateral runout of the clearance member and the grooved body, and by the state of the field soil, the clearance member excessively scoops the field mud and the traction force Can be suppressed, the depth of the digging groove can be kept substantially constant, the digging operation can be performed well, and further, the stabilizing member can be crushed by the crushing member capable of crushing the above-mentioned field soil. Vertically swingable, by digging the gap member In the existing ditches caused by the closed soil that occurs at the intersection with existing ditches, or by the depression into the existing ditches of the excavated soil excavated by the gap members and discharged to the side The collapsing member has a collapsing structure for collapsing the obstructed soil generated in the existing digging groove by the collapsing member due to the progressive formation of the digging groove as the obstructed soil of the The falling rocking motion into the groove and the climbing rising rocking motion to the above-mentioned scene are repeated, and the falling rocking motion of the crushing member into the existing digging groove causes the crushing member to flow in the existing digging groove It is possible to secure the flow path of the digging groove by collapsing the blocked soil as a barrier that blocks the path, and it is not possible to prevent the drainage and drainage performance, and the drainage function of the digging groove can be reliably maintained.

FIG. 1 is an overall side view of an embodiment of the present invention. It is an expanded side sectional view of the example of an embodiment of the present invention. FIG. 1 is a partial plan view of an embodiment of the present invention. It is a partial longitudinal cross-sectional view of the example of an embodiment of the present invention. It is a fragmentary sectional side view of the example of an embodiment of the present invention. It is a partial longitudinal cross-sectional view of the example of an embodiment of the present invention. FIG. 1 is a partial perspective view of an embodiment of the present invention. It is a longitudinal cross-sectional view after the description part of embodiment of this invention. It is a longitudinal cross-sectional view after the description part of embodiment of this invention.

  1 to 9 show an embodiment of the present invention. As shown in FIG. 1 and FIG. 2, 1 is a traveling body, in this case a tractor, and at the rear of the traveling body 1, a connecting mechanism 2 3 are connected, and the connection mechanism 2 is composed of left and right lower links 4, upper links 5, hydraulic arms 6, and lifting links 7. The hydraulic frame 6 is provided so as to be vertically pivotable by pivoting of the hydraulic arms 6. .

  A pair of grooved members 8-8 are provided with several blade portions 8a cut out on the outer peripheral portion as shown in FIG. 2, and a supporting member 3a is fixed to the machine frame 3 in a forward and downward manner. And forms a pair of opposing mounting pieces 3b and 3b at the lower end of the support member 3a, mounts the case 9 between the mounting pieces 3b and 3b, and rotatably supports the axle 10 on the case 9; The grooved members 8 are attached to the left and right end portions at a predetermined interval.

  Reference numeral 11 denotes a clearance member, in which case, as shown in FIGS. 2 and 3, the tip end portion of the clearance member 11 is formed in a tapered cutting portion 11a having substantially the same width as the width between the groove cutting members 8 and 8. At the same time, the rear part is formed in the discharge part 11b twisted to discharge the excavated soil D to the side.

  In this case, as shown in FIGS. 2 and 3, the tip of the U-shaped mounting arm 12 is pivotally attached by the support shaft 13 between the mounting pieces 3b and 3b of the lower part of the support member 3a of the machine frame 3. A nut body 15 is pivotally attached to the upper part of 3 by a pin 14 so that the nut body 15 can be pivoted up and down around the pin 14, a screw rod 16 is screwed on the nut body 15, and a handle 17 is screwed on the screw rod 16 The screw rod 16 is vertically movably provided by forward and reverse rotation of the handle 17, the lower end of the screw rod 16 is pivotally attached to the middle portion of the mounting arm 12 by the pin 18, and the clearance member 11 is bolted to the mounting arm 12. The mounting arm 12 is pivoted up and down about the support shaft 13 by the forward and reverse rotation of the handle 17, and the gap member 11 is vertically adjustable.

  Reference numeral 20 denotes a pretreatment member, in which 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 as shown in FIGS. 2, 3 and 4. In this case, the input shaft 21a and the output shaft 21b are horizontally provided rotatably on the machine frame 3 by bearings 21c and 21c, and the gear mechanism 21d is interposed between the input shaft 21a and the output shaft 21b. The power takeoff shaft 1a and the input shaft 21a of the tractor as the traveling machine body 1 are connected by the universal joint 21e, the output shaft 21b and the mounting shaft 20a are directly coupled, and the mounting disk 20b is mounted on the mounting shaft 20a. A cover member 20e is attached to the machine frame 3, and by rotating the power take-off shaft 1a, the pre-processing member 20 is rotated to scatter dust in the scene a in the forward direction forward direction of the grooved body 8 · 8. Constitute the field scattered object E to discharge laterally.

Reference numeral 22 denotes a stabilizing member, and in this case, as shown in FIGS. 5 and 6, left and right upper field edge surfaces W forming left and right upper corner edges of the digging groove W excavated by the gap member 11 It is formed slidably on ₁ · W ₁ and left and right groove inner side surfaces W ₂ · W ₂ .

In this case, FIG. 5, as shown in FIG. 6, the stability in the member 22, which can be brought into sliding contact with the field on the edge surfaces W ₁ · _{W 1} of the right and left to form the two upper corner edges of the right and left of the drilling Tomizo 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 to be warped surfaces, and the support piece 23 is provided on the rear surface of the mounting arm 12 so as to form the connection piece 24 on the stable member 22. The support piece 23 and the connection piece 24 are connected by the connection pin 25, whereby the stabilizing member 22 is attached to the mounting arm 12 so as to be slightly swingable.

  In this case, as shown in FIG. 3, FIG. 5, and FIG. 6, the collapsing member 26 is composed of a cylindrical roll-shaped crush roll 26a and a roll shaft 26b, and a pair of left and right A support arm 27 formed of an L-shaped plate is pivotally attached, and a bifurcated support frame 27a is formed at the base end of the support arm 27, and a roll shaft 26b of a cylindrical roll-shaped crushing member 26 is formed on the support frame 27a. And rotatably mounted, and the collapsing member 26 is provided so as to be pivotable up and down around the connecting pin 25.

  Thus, as shown in FIG. 7, when forming the digging groove W, the crush roll portion 26 a of the crush member 26 rolls and runs on the scene a, and intersects the existing digging groove WK to make an existing digging groove. When positioned in the groove WK, the crush member 26 swings downward about the connection pin 25 and digs with the closed soil DH generated at the intersection with the existing digging groove WK by digging the gap member 11 or by the gap member 11 Blocked soil DH in the existing cut groove WK resulting from the depression into the existing cut groove WK of the excavated soil D taken and discharged sideways, that is, caused by the progressive formation of the above-mentioned cut groove W Then, the closed soil DH generated in the existing digging groove WK is crushed by the crushing member 26 by the downward swinging movement of the crushing member 26 centering on the connection pin 25 as shown in FIG. 7, FIG. 8 and FIG. When passing through the existing digging groove WK, the collapsing member 6 is rocked upward and downward centering on the connecting pin 25, and the crush roll portion 26a of the crush member 26 rides on the foot scene a to roll and travel, and the crush member 26 is moved by the descent rock of the crush member 26. It is possible to secure the flow path by crushing the closed soil DH and crushing the closed soil DH as a barrier that blocks the flow path of the existing digging groove WK, and maintaining the water channel function of the digging groove W · WK it can.

  28 and 29 are weights, and as shown in FIG. 1, FIG. 2 and FIG. 3, suspension frames 3c are formed on the left and right sides of the machine frame 3, and weights 28 are detachably mounted on the suspension frames 3c. Also, the weight 29 is detachably suspended from the support arm 27 and the floating weight of the machine frame 3 due to the digging resistance of the gap member 11 is suppressed by the weight of the weight 28 and the crushing member 26 and the crushing member 26 The closed soil DH can be reliably crushed by the crushing member 26 by the weight of the weight 29 and the water channel function of the digging groove W · WK is reliably maintained.

Since this embodiment has the above-described configuration, as shown in FIGS. 1 and 2, the machine frame 3 is moved down by the connection mechanism 2 and the lower portion of the groove cutting members 8 and 8 and the lower portion of the gap member 11 It will be penetrated in a, and machine frame 3 will be made to travel by running body 1, and field scatters E such as scale, stocks etc scattered in the eyebrows scene a of the advancing direction forward position of the grooving body 8 ・ 8 It is discharged to the side by the pretreatment member 20, and it is possible to reduce the groove cutting resistance of the groove cutting body 8 and 8 and the digging resistance of the gap member 11 accordingly, and the groove cutting body 8 and 8 rotate together In this case, the cutting resistance is reduced by the blade portions 8a and 8a, and the soil between the two grooves is dug by the gap member 11 in the rear. It is taken out and discharged to the side, and the stabilizing member 22 is the right and left of the above-mentioned digging groove W excavated by the gap 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, it is possible to prevent the plow member 11 from excessively picking up the field mud and increasing the traction force, and the depth of the digging groove W can be kept substantially constant, and the digging work of the digging groove W is smoothened. Can be done.

In this case, FIG. 5, as shown in FIG. 6, the stability in the member 22, which can be brought into sliding contact with the field on the edge surfaces W ₁ · _{W 1} of the right and left to form the two upper corner edges of the right and left of the drilling Tomizo 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 Since the upper contact plate surfaces 22a and 22a and the front edge portions of the connection plate surface 22c are formed as warped surfaces, the height of the gap member 11 can be stabilized by the upper contact plate surfaces 22a and 22a. The side contact plate surfaces 22b and 22b of the stabilizing member 22 can suppress the lateral deflection of the gap member 11 and the grooved members 8 and 8 so that the grooving work can be performed well and the crushing member 26 can be performed. Crush structure can be simplified.

  At this time, as shown in FIGS. 5 and 6, the stabilizing member 22 is provided with a collapsible member 26 capable of collapsing the above-mentioned field soil so as to freely swing up and down. Inside the existing digging trench WK resulting from the depression into the existing digging trench WK of the closed soil DH which occurs at the intersection with the above or the excavated soil D excavated by the gap member 11 and discharged to the side. Because the closed soil DH generated in the existing digging groove WK due to the progressive formation of the above-mentioned digging groove W as the closed soil DH is provided with a crushing structure by the self-weight of the crushing member 26 and the weight 29 The crushing member 26 repeats the downward swinging movement into the existing digging groove WK and the riding up and rising rocking motion on the overhead scene a, and the lowering of the crushing member 26 into the existing digging groove WK The crush member 26 is a channel of the existing digging groove WK by the swinging operation. It is possible to secure the flow path of the digging groove W · WK by crushing the obstructed soil DH as a blocking barrier, and without disturbing the drainage drainage property, and securely holding the drainage function of the digging groove W · WK be able to.

  In the embodiment described above, the grooved members 8 and 8 are a pair of grooved members, but it is a grooved blade having a grooved member 8 or 8 or one grooved member In the above embodiment, one pair of groove cut bodies 8 and 8 and gap member 11 are disposed in one set, but In some cases, the structure of the stabilization member 22 may be modified as appropriate.

  In the above embodiment, the closed soil DH is crushed by the own weight of the crushing member 26 and the weight 29, but a structure which is crushed by a spring mechanism may be adopted.

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

a ground scene W drill groove WK existing drill groove W ₁ field upper edge surface W ₂ groove inner side surface DH closed soil 1 traveling airframe 2 connection mechanism 3 machine frame 8 groove cut body 11 clearance member 22 stability member 26 crushing member

Claims (1)

  A machine frame is connected to a traveling machine body by a connection mechanism, a grooved body capable of being cut in a groove scene is provided on the machine frame, and a field soil at a position rearward of the grooved body in the traveling direction is scooped on the machine frame. It is discharged sideways and a gap member is provided which can form a digging groove in a weir scene, and furthermore, both left upper corner edges of the digging groove excavated by the gap member are formed on the machine frame A stable member capable of sliding contact with the upper surface of the field and the inner surface of the groove is provided, and a collapsible member capable of collapsing the field soil is provided on the stable member so as to freely swing up and down. Blocking soil that occurs at the intersection with the ditch or blocking in the existing ditch caused by depression into the existing ditch of the excavated soil excavated by the gap member and discharged sideways The clogged member is the closed soil generated in the existing ditch due to the formation of the ditch as the soil. Ri field grooving machine characterized by comprising comprises crushing structure collapse.