JP2020103114A - Ridging device - Google Patents

Abstract

To provide a ridging device in which a ridging tool can be easily attached/detached to/from an attachment bar while the ridging tool can be stably attached.SOLUTION: A ridging device 1 according to the present invention comprises one or a plurality of attachment brackets 11 detachably attached to an arbitrary position of an attachment bar 3 attached to a tilling device, and one or a plurality of ridging tools 5 detachably attached to the attachment bracket 11. An insertion hole 14a of a socket 14 of the attachment bracket 11 and an insertion body 24a of an insertion part 24 of the ridging tool 5 each have a polygonal shape, and can fix an insertion state by including a flat surface in an upper surface.SELECTED DRAWING: Figure 3

Description

The present invention relates to a ridger device that is connected to a tilling device.

Conventionally, there has been a ridger device connected to a tiller. The prior art according to Patent Document 1 discloses a configuration in which, when a ridger is attached to a slide hitch cultivator, a mounting shaft connected to the ridger is inserted into a pipe-shaped receiving seat and set at an appropriate attachment position by a set pin. ing.

Japanese Utility Model Publication No. 62-167501

However, in such an upright device, since the mounting shaft is prevented from rotating with respect to the seat with only the set pin, there is a case where a horizontal displacement or rattling occurs. In addition, the set pin can be inserted only after the pin holes of the mounting shaft and the seat are communicated with each other, and it takes time to attach and detach the ridger for alignment. Further, since the ridger is attached by the vertical axis, the ridger may fall out due to the weight of the ridger and the working condition.

Moreover, the ridger device in the prior art uses only a single ridger, and it is not supposed to attach a plurality of ridgers in consideration of the pitch of the ridges, and the ridger is arranged at any position. It was not possible to attach a standing vessel.

Therefore, the present invention provides a ridger device capable of stably attaching and detaching the ridger tool while stably connecting the ridger tool, and further capable of mounting the ridger at any position. is there.

The ridger device of the present invention is a ridger device that is connected to a cultivator to perform ridger, wherein the ridger device is a horizontal mounting bar to be mounted on the cultivator, and an arbitrary portion of the mounting bar. One or a plurality of mounting brackets that can be removably attached to the mounting bracket, and one or a plurality of ridge standing tools that are detachably mounted to the mounting bracket, and the mounting bracket is a cylindrical socket having a polygonal insertion hole. The ridger is provided with a polygonal insertion portion that is detachably fitted in the insertion hole.

In addition, the mounting bracket includes a tubular connecting portion that can be inserted from the open end of the mounting bar whose both ends are open ends, and a fixture that can fix the tubular connecting portion to the mounting bar at an arbitrary position. The fixture has a fastener insertion surface, a pressure fixing surface, and a connecting portion, and one surface of the mounting bar inserted into the tubular connecting portion by inserting the fastener is a pressing fixing surface. It is preferable to press and fix.

Further, the insertion portion of the ridge standing tool has an insertion main body to be inserted into the insertion hole of the socket and a base end portion having the same longitudinal direction as the insertion main body, and the base end portion has a recess recessed from the surface. It is preferable that the recess is formed and receives the pressing tool inserted through the through hole in a state of being inserted into the insertion hole of the socket to fix the insertion state of the socket and the insertion portion.

Further, it is preferable that the insertion hole and the insertion body have a regular hexagonal shape, and have a pressed flat surface having a predetermined range inside the insertion hole and a pressing flat surface having a predetermined range in the insertion main body.

According to the first aspect of the present invention, it becomes possible to mount the mounting bracket at an arbitrary position of the mounting bar and mount the ridge standing tool at an arbitrary position. According to the pitch of the ridges, it becomes possible to work by mounting the ridge standing tools of about 1 to 5 rows. Further, since the insertion hole and the insertion portion of the socket have a polygonal shape, it is possible to prevent the ridge standing tool from being displaced due to the shaking of the ridge standing tool due to the work, etc., and it becomes possible to perform a perfect ridge standing. ..

According to the second aspect of the present invention, the mounting bracket can be attached to the mounting bar at any position, and can be fixed at any position by the fixture. This allows the ridge standing tool to be attached at any position. In addition, by pressing and fixing the mounting bar with the pressure fixing surface, there is no bolt hole in the mounting bar by pinning or bolting, and it is possible to fix at any position while preventing damage due to the bolt hole. It will be possible.

According to the invention described in claim 3, the insertion state of the insertion hole and the insertion portion can be firmly fixed by the pressing tool of the mounting member.

According to the invention as set forth in claim 4, the pressing surface formed on the upper surface of the insertion portion is normally pressed against the pressed surface formed on the inner upper surface of the insertion hole by its own weight with the ridge standing tool attached. By engaging with each other, the attachment state of the ridge standing tool can be fixed.

FIG. 1 is an overall front view of a ridger according to an embodiment of the present invention, showing a state in which a cultivating device such as a tractor is removed. It is an exploded perspective view of a mounting bracket. It is a perspective view which shows the attachment state of a mounting bracket and a ridge standing tool. It is a partially expanded perspective view which shows the insertion part of a ridge standing tool. It is a partial longitudinal cross-sectional view showing an inserted state of the socket and the insertion portion, showing a state before the insertion. It is a partial longitudinal cross-sectional view showing the inserted state of the socket and the insertion portion, and shows the state after the insertion. It is a top view of a ridge standing tool. It is a side view of a ridge standing tool, showing a state in which one claw plate and shaping blades are removed. It is the whole side view in the state where the ridge standing tool was attached. It is the sectional view on the AA line of FIG. It is a front view which shows the state which attached four ridge standing tools from the state of FIG. It is a front view which shows the state which attached five ridge standing tools from the state of FIG.

An embodiment of the present invention will be described. INDUSTRIAL APPLICABILITY The ridge-raising mechanism of the present invention is to perform cultivating work such as ridge-raising with a ridge-up tool connected to the rear of a cultivating device such as a tractor.

As shown in FIG. 1, the ridger device 1 according to the present embodiment is mounted behind or below a slide hitch 6 mounted behind a cultivating device. The ridge device 1 includes a body frame 2 that is detachably attached to a slide hitch 6, an attachment bar 3 that is attached to the body frame 2, and one or a plurality of ridge risers 5 and 5 that is detachably attached to the attachment bar 3. , And an elevating mechanism 4 for elevating the ridge standing tools 5, 5.

In the ridge rising mechanism 1 of the present embodiment, three ridge standing tools 5, 5 are arranged on the mounting bar 3 at equal intervals in the left-right direction. The ridge standing tools 5, 5 are mounted on the mounting brackets 11, 11 mounted at arbitrary positions of the mounting bar 3. When the three ridge standing tools 5, 5 are mounted, the mounting brackets 11, 5 are mounted at the mounting positions. 11 is attached. When an arbitrary number such as one or five ridge standing tools 5 other than three is to be mounted, that number of mounting brackets 11 is to be mounted.

The attachment bar 3 is a rod body that is attached to the body frame 2 and has a substantially square cross-section that is horizontal and has a predetermined length in the left-right direction of the tiller. It is attached to the main body frame 2 at the center of the attachment bar 3 in the longitudinal direction, and the left and right ends are open ends that are not connected to any member such as a tiller or a slide hitch. It becomes possible to insert and attach the mounting brackets 11, 11 for mounting the ridge standing tools 5, 5 from both ends of the mounting bar 3.

As shown in FIGS. 2 and 3, the mounting bracket 11 according to the present embodiment has a cylindrical tubular connecting portion 12 that is inserted into the mounting bar 3, a projecting portion 13 that projects forward from the tubular connecting portion 12, and a projecting portion 13. The socket 14 is provided so as to contact the lower side of the portion 13, and the side wall 15 that fixes the socket 14 to the protrusion 13 from the side.

The tubular connecting portion 12 has a relatively short tubular shape with the lateral side open. The inner peripheral surface of the cylindrical connecting portion 12 is wider than the outer peripheral diameter of the mounting bar 3, and can be inserted into the inner peripheral surface of the cylindrical connecting portion 12 from either the left or right end of the mounting bar 3 to be mounted at an arbitrary position. it can. The tubular connecting portion 12 of the mounting bracket 11 is mounted and fixed by a fixing tool 16 for fixing the tubular connecting portion 12 in the mounting bar 3 at an arbitrary position.

The fixture 16 is a metal piece separate from the mounting metal fitting 11, and is formed in a substantially U-shape. The fixing tool 16 includes a fixing tool insertion surface 16a for inserting a fixing tool 16d such as a bolt, a pressing fixing surface 16c extending parallel to the fixing tool insertion surface 16a, and the fixing tool insertion surface 16a and the pressing fixing surface 16c. It has a connecting portion 16b for connecting. The fixing tool 16 inserts the pressing fixing surface 16c into the gap between the mounting bar 3 and the tubular connecting portion 12 with the tubular connecting portion 12 inserted from the open end of the mounting bar 3. Then, the pressing fixture surface 16c is brought into contact with the outer peripheral surface of the mounting bar 3 inserted into the cylinder by screwing the fastener 16d such as a bolt into the round hole threaded and opened in the fastener insertion surface 16a. , And the tubular connecting portion 12 is fixed to the mounting bar 3. As a result, the mounting brackets 11, 11 can be mounted at arbitrary positions on the mounting bar 3 and fixed in that state.

When pinning or screwing directly to the mounting bar 3, the pin hole or the screw hole must be opened in the mounting bar 3 and cannot be mounted at an arbitrary position. In addition, when these mounting bars 3 are opened, a load may be applied to the openings due to the ridge work, and the mounting bars and pins may be damaged. By using the fixing tool 16 having the pressing and fixing surface 16c of the present embodiment, not only can it be attached at any position by pressing and fixing the surfaces, but also the mounting bar 3 and the pin can be prevented from being damaged and stable. Can be fixed.

Further, a peephole 19 that is opened is formed on the upper surface of the tubular connecting portion 12. The peep hole 19 is formed on an extension of the longitudinal center line of the cylindrical socket 14. Therefore, the user can mark the required ridge pitch on the mounting bar 3 with a pen or the like, and can visually confirm through the peep hole 19 whether or not the ridge pitch matches the mark.

The protruding portion 13 of the mounting member 11 is a horizontal plate that further protrudes forward from the front surface of the tubular connecting portion 12. A cylindrical socket 14 having a hexagonal cross section is arranged below the protrusion 13. The upper surface of the socket 14 is a horizontal surface, and the socket 14 is formed so as to be aligned in parallel with the protruding portion 13. The socket 14 has a predetermined length, but is formed to be slightly shorter in the longitudinal direction than an insertion portion 24 described later.

The protruding portion 13 of the present embodiment has a through hole 17 near the cylindrical connecting portion 12 through which a fixing tool such as a bolt 18 can be inserted. The through hole 17 can be pressed from above the insertion portion 24 inserted into the socket 14 to maintain and fix the inserted state. Further, both sides of the protrusion 13 and both sides of the socket 14 are substantially the same in the width direction, and the side walls 15 and 15 are arranged so as to stand upright on both sides thereof. The lower edges of the side walls 15, 15 are substantially flush with the lower surface of the socket 14. The protrusion 13 and the side walls 15 and 15 strengthen the fixing of the socket 14.

The side walls 15 and 15 serve to reinforce both side surfaces of the socket 14, and may be formed on only one side surface. In addition, the positioning of the insertion portion 24 in the inserted state in the socket 14 is performed by engagement between the flange 24b formed in the insertion portion 24 and the opening surface of the socket 14. As another embodiment, the side walls 15 and 15 have vertical portions 15a and 15a at a position closer to the socket 14 than the through hole 17, and the vertical portions 15a and 15a are engaged with the flange 24b for positioning. It may be.

Next, the ridge standing tool 5 having the insertion portion 24 to be inserted into the fitting 11 will be described. As shown in FIGS. 3 and 4, the ridge standing tool 5 includes a plow-shaped claw plate 21, a bottom plate 22 that covers lower ends of the claw plates 21 and 21, and left and right extending behind the claw plates 21 and 21. It is composed of a pair of shaping blades 23, 23, an insert portion 24 provided in the upper part between the claw plates 21, 21, and a support 25 (see FIG. 8) that supports the insert portion 24. The bottom plate 22 is formed by stacking three rectangular flat plates having a corner at the front end.

The claw plates 21 and 21 are positioned inside the bottom plate 22 and are erected and fixed to the bottom plate 22 in a V-shape in plan view forming a plow point. The claw plates 21, 21 have an acute angle at their front ends and are positioned outward in the left and right directions toward the rear, and are inclined outward in the left and right directions toward the upper rear. In addition, an opening 26 is formed in the upper part of the front end of each of the claw plates 21 and 21 so as to open upward and front-rear.

The insertion portion 24 is arranged inside the two claw plates 21, 21 and near the opening 26. As shown in FIGS. 7 and 8, the support 25 that supports the insertion portion 24 is such that the flat plate 25a is supported by the support column 25b that is vertically erected from the bottom plate 22, and the insertion portion 24 is placed on this flat plate 25a. Supported.

The insertion portion 24 that is placed on the flat plate 25a and is inserted into the socket 14 of the mounting bracket 11 will be described. In this description, as shown in FIG. 4, the opening portion 26 side of the insertion portion 24 will be the tip and the other end will be the base end. The insertion portion 24 has an insertion main body 24a made of a hexagonal rod and a flange 24b that extends in both directions facing the longitudinal direction of the insertion main body 24a. The flange 24b extends from the base end along the longitudinal direction of the insertion main body 24a. A base end portion 24c extending to the side is formed, and a recess 24d for conforming to a bolt (pressing tool) 18 screwed from the through hole 17 of the protrusion 13 is formed on the upper surface of the base end portion 24c. There is.

Further, as an embodiment different from this embodiment, although not shown, the recess 24d may be formed on the side surface of the base end portion 24c instead of the upper surface. In this case, the bolt 18 screwed to press the concave portion 24d may have a through hole formed in the socket 14 or may be one having a nut welded to the through hole for screwing.

If the opening 26 is not formed, the tip of the insertion body 24a of the insertion portion 24 is positioned slightly closer to the base end side than the position where the claw plates 21, 21 are brought together. By doing so, interference with the socket 14 and the side walls 15, 15 is avoided, and a good ridge is formed.

As shown in FIG. 3, the ridge standing tool 5 can be attached by inserting the insertion body 24 a of the insertion portion 24 into the insertion hole 14 a of the socket 14 of the attachment fitting 11. The insertion hole 14a and the insertion main body 24a have the same cross-sectional shape with a slight gap, and the insertion main body 24a does not rotate when inserted into the socket 14 to prevent rattling and fix the insertion state. can do.

As shown in FIGS. 4, 5 and 6, the insertion body 24a has a hexagonal shape having an upper surface 24e having a predetermined width on the upper surface, and the inner upper surface 14b of the insertion hole 14a of the socket 14 is a hexagonal shape. Has a hole. The predetermined width in the present embodiment is such that the length of the upper surface 24e in the longitudinal direction is longer than the width of the mounting bar 3 and the width of the upper surface 24e is a recess 24d for receiving a bolt (pressing tool) having a diameter of several millimeters. Has a width that is a substantially rectangular shape with a width that allows formation of the.

In a state where the insertion body 24a is inserted into the insertion hole 14a of the socket 14, there is a minute gap around the insertion body 24a, but the weight of the ridge portion 2 inclines from the distal end side to the proximal end side of the insertion main body 24a. Such force acts to engage the upper surface 24e (pressing plane) of the insertion body 24a and the inner upper surface 14b (pressing plane) of the insertion hole 14a in a normal state to fix the insertion state. In addition to this, by tightening the bolts inserted from the through holes 17 of the mounting member 11, the base end portion 24c of the insertion portion 24 can be pressed and further firmly fixed even in the use state.

In the present embodiment, both the socket 14 (insertion hole 14a) and the insert portion 24 (insert body 24a) are hexagonal holes or rods, but the present invention is not limited to this. In consideration of the engagement due to its own weight, it is preferable to have a flat surface on the upper side of the insertion portion 24 and a flat surface on the inner upper surface and the inner lower surface of the socket 14, but it may be rectangular or octagonal. Further, in consideration of the engagement of the upper surface of the insertion portion 24, it may have an inverted triangular shape or another shape.

As another embodiment, both the socket 14 (insertion hole 14a) and the insertion portion 24 (insertion body 24a) are hexagonal holes or rods, but the insertion body 24a has the hexagonal apex as the uppermost portion. It may be in the form. In this case, the inner upper surfaces 14b and 14b of the insertion hole 14a are gable roof-shaped slopes.

According to the present invention, by mounting the mounting brackets 11 and 11 at appropriate positions on the mounting bar 3, it becomes possible to attach the ridge standing tools 5 and 5 at appropriate positions. In the present embodiment, the mounting bracket 11 is installed at the center of the mounting bar 3 in the left-right direction and between the mounting frame 3 and the main body frame 2. However, one mounting bracket 11, 11 should be mounted on each side of the main frame 2. Thus, it is possible to have three ridge standing tools 5, 5. Further, as shown in FIG. 12, when forming a ridge having a narrow pitch for mounting five ridge standing tools 5 and 5, it is possible to further mount the mounting brackets 11 and 11 one by one from both sides of the mounting bar 3. become. Further, as shown in FIG. 11, when mounting four ridge standing tools 5, 5, the mounting brackets 11 between the main body frames 2 which are relatively difficult to remove are ignored, and two mounting brackets 11 are arranged from the left and right. , 11 can be achieved by attaching them at appropriate intervals, and in the case of attaching two ridge standing tools 5, 5 as well, it can be achieved by attaching one mounting bracket 11, 11 from the left and right in the same manner.

Further, in the present embodiment, the insertion portions 24, 24 of the ridge standing tools 5, 5 are inserted and attached from the rear of the tractor. The insertion direction is not limited to this. For example, one having sockets 14, 14 and insertion portions 24, 24 oriented in the longitudinal direction of the mounting bar 3, or mounting brackets 11, 11 mounted on the mounting bar 3 and then ridges from between the mounting bar 3 and the tractor. Alternatively, the insertion portions 24, 24 of the upright portions 5, 5 may be inserted. Further, the orientations of the sockets 14, 14 and the insertion portions 24, 24 are not limited to the horizontal direction. In the completely vertical direction, the upper surface 24e of the insertion body 24a and the inner upper surface 14b of the insertion hole 14a cannot be fixed by engagement, but it is not excluded that it is inclined up and down.

Next, the main body frame 2 to which the mounting bar 3 is attached and the vertical swing of the main body frame 2 will be described. As shown in FIGS. 9 and 10, the main body frame 2 has an L-shaped upper arm 31 which is turned upside down, a swinging arm 32 which is long in the front and rear, and a mounting bracket 11 which is detachably attached to the body frame 2 which is long in the left and right. It consists of 3 bars. The upper arm 31 has a holding portion 33 that is detachably fixed and held on the slide hitch 6 at the front end of a long upper side portion 31a in the front and rear, and a vertical side portion 31b projects downward from the rear portion of the upper side portion 31a. The vertical side portion 31b has a lower portion curved forward, and a swinging arm 32 is swingably supported at a lower end thereof via a swinging shaft 32a.

The swing arm 32 is supported by the upper arm 31 in the middle of the front-rear length. The swing arm 32 has the mounting bar 3 connected to the front end thereof. The mounting bar 3 swings up and down by a swinging arm 32. The ridger 1 can swing the mounting bar 3 to adjust the inclination of the ridgers 5, 5 attached.

As shown in FIG. 10, the lifting mechanism 4 includes a screw shaft 42 that moves up and down, a nut cylinder 43 that meshes with the screw shaft 42, and a handle 44 that changes and operates the height of the screw shaft 42. It is provided in 2. The upper part of the screw shaft 42 penetrates and is fixed to the rear end of the upper side part 31a of the upper arm 31, and the handle 44 is attached to the upper end. The lower part of the screw shaft 42 is inserted into the nut cylinder 43, and is fixed movably up and down with respect to the nut cylinder 43 by operating the handle 44. The nut cylinder 43 has its lower end fixed to the rear end of the swing arm 32. The screw shaft 42 and the nut cylinder 43 are supported by pins, and the tips of the ridge standing tools 5, 5 can be swung according to the swing of the pins. Thereby, the angle between the plow, which is the tip of the ridge standing tools 5, 5, and the ground can be adjusted.

DESCRIPTION OF SYMBOLS 1... Ridge device, 3... Mounting bar, 5... Ridge tool, 11... Mounting metal fitting, 12... Cylindrical connection part, 13... Projection part, 14... Socket, 14a... Insertion hole, 14b... Inner upper surface (pressed) Plane), 15... Side wall, 15a... Vertical part, 16... Fixing tool, 16a... Fixing tool insertion surface, 16b... Connection part, 16c... Press fixing surface, 16d... Fixing tool, 17... Through hole, 18... Pressing tool ( Bolts), 24... insertion part, 24a... insertion body, 24b... flange, 24c... base end, 24d... concave part, 24e... upper surface (pressing plane).

Claims (4)

A ridger device that is connected to a cultivator to perform ridger,
The ridge device, a horizontal mounting bar to be mounted on the cultivating device, one or more mounting brackets detachably attachable to any location of the mounting bar, and one or more detachable attachment to the mounting bracket or Consists of multiple ridges,
The upright device, wherein the attachment fitting is provided with a cylindrical socket having a polygonal insertion hole, and the upright tool is provided with a polygonal insertion portion that is detachably fitted in the insertion hole. The mounting metal fitting includes a tubular connecting portion that can be inserted from the open end of the mounting bar whose both ends are open ends, and a fixture that can fix the tubular connecting portion to the mounting bar at an arbitrary position. I have,
The fixing tool has a fixing tool insertion surface, a pressing fixing surface, and a connecting portion, and the pressing fixing surface presses and fixes one surface of the mounting bar inserted into the tubular connecting portion by inserting the fixing tool. The ridger device according to claim 1. The insertion portion of the ridge standing tool has an insertion body to be inserted into the insertion hole of the socket, and a base end portion having the same longitudinal direction as the insertion body,
The base end portion forms a recessed portion which is recessed from the surface, and the recessed portion receives a pressing tool inserted through the through hole in a state of being inserted into the insertion hole of the socket, and thereby the insertion state of the socket and the insertion portion is changed. 3. The ridger device according to claim 1, wherein the ridger device is fixed. The insertion hole and the insertion main body have a regular hexagonal shape, and have a pressed flat surface having a predetermined range inside the insertion hole and a pressing flat surface having a predetermined range in the insertion main body. The ridger device according to any one of 2 and 3.

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