JP2009183230A - Ridge former - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable the ridging of outside heaping or inside heaping specification by one kind of a ridge former to reduce the economical load on the user and facilitate the management of the apparatus. <P>SOLUTION: The right and left divided forming plates 21 provided with a lower edge (a) to form the bottom of a furrow and inclined side edges (b) to form side faces of the furrow are made to be switchable between an outside heaping specification having an inverted trapezoidal form to place the inclined side edges (b) directing outward in the right and left direction and close to each other and an inside heaping specification to place the inclined side edges (b) directing inward in the right and left directions and keeping a space between the inclined side edges. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a cultivator that is attached to a walking-type management machine and used for erection work.

As a cultivator to be mounted on a walking type management machine, one that is configured to be used by being connected to a rear hitch of a traveling machine body is known (for example, see Patent Document 1).
JP 2003-52202 A

  As a form to form the cocoon, the cultivated soil is pushed to the left and right by a cultivator and pressed to form a culm bottom in the machine passage trace, and the cultivated soil is centered by the cultivator There was an internal build-up specification that formed a ridge on the trajectory that passed through the fuselage, and used a cultivator according to each specification. For this reason, it is necessary for the user to prepare an externally built speculator and an externally built speculator, which is economically burdensome and requires troublesome management of the unused excavator.

  The present invention has been made paying attention to such points, and it is possible for a user to arbitrarily set up external specifications or internal specifications with one kind of cultivator. The object is to reduce such an economic burden and to facilitate the management of equipment.

  1st invention is a soil cultivator, in the left and right division molding board provided with the lower end side which forms a coffin bottom, and the slant side end which forms a coffin side, each sloping side end is facing each other Switchable between inverted trapezoidal externally placed specifications that are placed close to each other in the left-right direction, and internal-filled specifications that place the left and right divided molded plates in the left-right direction with each slanted side edge facing inward It is comprised by these.

  According to the above configuration, for example, as shown in FIG. 4, the left and right divided molded plates 21 (culturer 20) are arranged so that the inclined side edges b of the left and right divided molded plates 21 (culturer 20) face outward. By arranging them close to each other in the left-right direction, an externally sized cultivator 20 (left and right divided molded plates 21) can be obtained. As a result, for example, as shown in FIG. 4, the soil is pushed right and left as the earthenware 20 (left and right divided molded plates 21) advances, and the inclined side edges of the left and right divided molded plates 21 (culturer 20). The side surfaces of the left and right ridges are formed by b.

  For example, as shown in FIG. 6, the left and right divided molding plates 21 (culturer 20) are laterally spaced with an interval so that the inclined side edges b of the left and right divided molding plates 21 (culturer 20) are inward. By arranging, the ridger 20 (left and right divided molded plates 21) of the internal specification can be obtained. Thereby, for example, as shown in FIG. 6, the soil is raised to the center with the progress of the earthenware 20 (left and right divided molding plates 21), and the inclined side edges of the left and right divided molding plates 21 (culturer 20). The left and right side surfaces of the center side are formed by b.

  Therefore, according to the first invention, it is possible to arbitrarily set up the external specification or the internal specification with one kind of earthenware, reducing the economic burden on the user and managing the equipment. It becomes easy.

According to a second invention, in the first invention,
The divided molded plate is configured to be connectable to the left and right fenders in the walking type management machine.

  According to the above configuration, the left and right divided molded plates can be securely supported in a predetermined posture by utilizing the lateral width of the fender without providing the traveling machine body with a dedicated cultivator mounting portion.

According to a third invention, in the first or second invention,
The left and right divided molded plates are configured by attaching rubber plates to a support frame.

  According to the above configuration, a well-finished ridge having a smooth surface can be formed by pressing the soil with a rubber plate to which the soil does not easily adhere.

  FIG. 1 shows the entire side surface of the walking type management machine, and FIG. 2 shows its plane. A traveling machine body 1 of this walking type management machine extends a steering handle 4 rearward from a transmission case 3 directly connected to an upper end of an engine 2, and horizontally supports a rotating shaft 5 at the lower left and right of the transmission case 3 to transmit power. A sheet metal-structured fender 6 is extended and arranged on the upper and left sides of the case 3.

  The engine 2 uses a vertical-axis air-cooled gasoline engine, and is configured to manually start the engine using a recoil starter 7 provided in the upper part of the engine 2. A recoil rope 8 is led out from the recoil starter 7, and a puller 8 a provided at the rear end of the recoil rope 8 is inserted and supported by a rope hook 9 provided in the steering handle 4.

  The steering handle 4 includes a handle base portion 4a made of a round pipe material, and a left and right bifurcated operation handle portion 4b pivotally connected to a rear end of the handle base portion 4a so as to be rotatable around a lateral fulcrum p. The height of the operation handle part 4b is adjusted by loosening the bolt 10 with the knob provided at the fulcrum p, rotating the operation handle part 4b up and down, and tightening the bolt 10 with the knob at an arbitrary rotation position. In addition, the operation handle portion 4b can be retracted to the upper side of the engine 2 by pivoting it forward.

  A rear hitch 12 of a sheet metal structure is provided at the rear portion of the transmission case 3, and a handle base portion 4 a of the steering handle 4 is inserted into a front and rear intermediate position of the rear hitch 12, and a front end portion thereof is connected to the transmission case 3. As a result, the handle base 4a is firmly connected and fixed in a predetermined rearward rising posture.

  A rearward end of the rear hitch 12 is provided with a vertical boss portion 12a. A resistance rod 13 obtained by bending a round bar into a U-shape is inserted into the boss portion 12a and is fixed by a through pin 14. ing. A plurality of upper and lower pin insertion holes 15 are formed in the resistance rod 13, and by selecting the pin insertion hole 15 and inserting the through pin 14, the height of the resistance rod 13 can be adjusted in a plurality of stages. It is possible.

  FIG. 1 shows a walking-type management machine configured in a standing manner that forms a ridge on a passing mark of a traveling machine body 1 by forward traveling, and left and right rotating shafts supported by a lower portion of a transmission case 3. The tilling rotor 16 is mounted on each of the two, and the tilling rotor 16 is driven to rotate in the down cut direction (see the arrows in FIGS. 1 and 3) at a high speed by the rotation of the tilling rotor 16 while plowing. Plowing is performed while moving forward at a desired speed by adjusting the forward resistance due to the resistance rod 13 entering the field at the rear of the traveling machine body 1.

  The tilling rotor 16 is configured by fixing a plurality of kinds of tilling claws 18 to the claw shaft 17. When the paddle is set up with an external pitch specification, the tilling soil is plowed up and down. What has the nail | claw 18 arrange | positioned at the predetermined arrangement | sequence is used. In the case of setting up with the internal specifications, a structure in which the tilling claws 18 are arranged in a predetermined arrangement so as to jump up the cultivated soil to the left and right center is used.

  A cultivator 20 is connected to the rear end of the fender 6 provided in the traveling machine body 1. This earthenware container 20 is composed of left and right divided molding plates 21 each having a lower end side a for forming a culm bottom and left and right inclined side edges b for forming a culm side surface. A metal support frame 22 is bolted to the upper end side of the trapezoidal rubber plate 23, a metal support frame 25 is bolted to the lower end side a of the rubber plate 23, and the metal support frame 26 is The left and right divided molded plates 21 are configured by being connected over the support frames 22 and 25.

  FIG. 4 shows a case where the laying is performed with an externally-filled specification. The left and right divided molded plates 21 are arranged to face each other so that the inclined side edges b thereof face outward, and the support frame 22 is shown. The resistance rod 13 is inserted between the left and right divided molded plates 21 by being connected to the rear end portion of the fender 6 through the upper portion of the fender 6. The lower part (support frame 25) of the left and right divided molded plates 21 is connected by a connecting stay 24, and is configured to function as one inverted trapezoidal shaper 20 (left and right divided molded plates 21) as a whole.

According to the above configuration, the tilling rotor 16 is driven to rotate at a high speed in the down cut direction and is advanced by rotating the tilling rotor 16 while plowing, and the forward resistance due to the resistance rod 13 entering the field is adjusted. Plowing and soiling left and right while moving forward at the desired speed.
As a result, the soil which has been cultivated and softened is pressed and moved by the cultivator 20 (left and right divided molding plates 21), and the bottom of the left and right divided molding plates 21 (culturer 20) are pressed against the center bottom. At the same time as molding, the side surfaces of the left and right ridges are press-molded at the inclined side edges b of the left and right divided molded plates 21 (the earthenware container 20).

  Although the cultivator 20 tends to be deformed backward by the pressing reaction force for forming the ridge, the connecting stay 24 connecting the lower portions (support frames 25) of the left and right divided molded plates 21 is received by the resistance bar 13, and the cultivator 20 is maintained in a predetermined forming action posture tilted forward.

FIG. 6 shows a case where the setting is performed with the internal specification. In this case, the left and right divided molding plates 21 are switched to the left and right, and the inclined side edges b thereof are spaced apart from each other so as to face each other inward, and the rear end of the fender 6 via the upper portion of the support frame 22. The connecting stay 24 is not used.
Thereby, as shown in FIG. 6, the soil that has been cultivated and softened is pressed and moved by the cultivator 20 (left and right divided molding plates 21), and the lower end side a of the left and right divided molding plates 21 (culturer 20). Then, the left and right saddle bottoms are press-molded, and the left and right saddle sides of the central basket are press-molded at the inclined side edges b of the left and right divided molding plates 21 (the earthenware device 20).

[Other Examples]
(1) As shown in FIG. 7, when the earthenware container 20 is not used, the left and right divided molded plates 21 can be connected to the outer end portions of the left and right fenders 6 to be used as extension fenders.
(2) The left and right divided molded plates 21 can be made of a metal plate material.

Overall side view of walking management machine Overall plan view of walking-type management machine Side view of the folded storage state Rear view of the earthenware constructed to external specifications Vertical side view of cultivator Rear view of the earthenware constructed to the internal specifications A plan view of the storage of unused earthenware

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling machine body 6 Fender 21 Division molding board 22 Support frame 23 Rubber board a Lower edge b Inclined side edge

Claims (3)

  The left and right divided molded plates having the bottom side forming the bottom surface and the inclined side edge forming the side surface are arranged in the left-right direction close to each other with the respective inclined side edges facing outward. It is configured to be switchable between a trapezoidal external filling specification and left and right divided molding plates that are arranged in the left-right direction with intervals between the inclined side edges. A cultivator.   The earthenware container according to claim 1, wherein upper and lower ends of the left and right divided molded plates are configured to be connectable to left and right fenders of a traveling machine body in a walking type management machine.   The earthenware container according to claim 1 or 2, wherein the left and right divided molded plates are configured by attaching rubber plates to a support frame.

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