JP2014143978A - Tending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small-size tending work machine allowing one person to easily change a work form such as tilling work, listing work, and moving travel.SOLUTION: The tending machine comprises: tilling claws (5) mounted on a work shaft (6) provided at a lower part of a machine body; and a skid (16) and a lister (20) or wheels (18) mounted on a hitch (9) of the machine body rear part. The tending machine further comprises: a lister support part (9a) at the front side of the hitch (9) for rotatingly supporting the lister (20) between a descent working position and an ascent non-working position; and a skid support part (9b) at the rear side of the lister support part (9a) of the hitch (9) for vertically supporting the skid (16) while inverting the skin (16), one end of which is provided with the wheel (18) and the other end of which, as a rod-like part, is inserted into the ground.

Description

  The present invention is a management machine in which a tilling claw is attached to a work shaft provided at the lower part of the machine body, and a resistance rod, a vertical stand or a tail wheel is attached to a hitch at the rear part of the machine body to perform a cultivation work, a vertical work or a traveling movement. About.

For example, Japanese Patent Application Laid-Open No. 2012-90536 describes a management machine.
This control machine is provided with a front and rear rotation support section on the hitch section at the rear of the fuselage, and a rotation frame is mounted on the rotation support section so that it can be rotated and fixed. It is assembled in one piece, and the rotation frame is fixed around the rotation support part so that it can be used for tillage work using resistance bars, upright work using a vertical stand, and traveling using a tail wheel. ing.

JP 2012-90536 A

  The above-mentioned management machine seems to be able to perform the tilling work, the standing work or the traveling by simply rotating and fixing the rotating frame. The rotating frame with the unit and tail wheel attached to it is heavy, and for the operator to switch alone, the rotating frame must be fixed to the rotating support with the other hand while holding the rotating frame with one hand. There is a danger of slipping the hand on the operator's feet by sliding his hand during the rotating operation.

  Therefore, an object of the present invention is to provide a management machine that can easily change the work mode to a tilling work, an uprighting work, or a traveling movement by one person.

The problems of the present invention are solved by the following technical means.
According to the first aspect of the present invention, there is provided a management machine in which a tilling claw (5) is provided on a work shaft (6) provided at a lower part of the machine body, and a hitch (9) is provided on a rear part of the machine body. A vertical support unit (9a) for rotating and supporting the container (20) at the lowering work position and the non-lifting work position, and a resistance bar (16) with a wheel (18) attached to one end and a rod-like part at the other end inserted into the ground. A resistance bar support portion (9b) that can be supported by turning upside down is provided, and the resistance bar support portion (9b) is provided on the rear side of the upright support portion (9a). .

  According to the second aspect of the present invention, the resistance rod support portion (9b) is constituted by a vertical support pipe (11), and the vertical stand (20) is raised to the vertical stand support portion (9a) in a non-working position. The management machine according to claim 1, wherein the resistance rod (16) can be attached to the support pipe (11) by changing the upper and lower sides while being attached.

  According to the third aspect of the present invention, the elevator mounting arm (21) of the erecting device (20) is moved up and down and slid to the erecting device support portion (9a) of the hitch (9). 20) can be changed to a lowering work position and an ascending non-working position. The management machine according to any one of claims 1 and 2.

  According to a fourth aspect of the present invention, the upright mounting arm (21) is pivoted to the upright support (9a) so as to be pivotable up and down with the hitch (9) between the plates (21a) and (21b). The management machine according to any one of claims 1 to 3, wherein the management machine can be changed between a lowered work position and a raised non-work position in a worn state.

  According to the fifth aspect of the present invention, the resistance rod portion (16a) and the wheel mounting portion (16b) are coupled by the coupling portion (16c), and the axial direction is shifted back and forth to form the resistance rod (16). The distance between the resistance rod part (16a) and the tilling claw (5) when the part (16a) is in use, and the wheel (18) and resistance bar (16) when the wheel (18) is in use The management machine according to any one of claims 1 to 4, wherein the management machine is longer than the distance.

  In the first aspect of the invention, the lowering work position and the lifting non-working position of the upright 20 are switched, the wheel 18 at one end of the resistance rod 16 is grounded, and the rod-shaped portion at the other end is inserted into the ground. Since the switching to be performed can be performed by individually operating the upright 20 and the resistance bar 16, switching between the tilling work state, the standing work state, and the traveling state can be easily performed by one worker.

  In the invention according to claim 2, in addition to the effect of claim 1, in the simple work of simply moving the resistance bar 16 up and down while the elevator 20 is kept in the raised non-working position, the plowing work state is moved. Switch to driving state.

In the invention according to claim 3, in addition to the effect of claim 1 or claim 2, the operator can easily switch between the lowering work position and the non-working position of the upright 20.
In the invention according to claim 4, in addition to the effect of any one of claims 1 to 3, switching between the descending work position and the ascending non-working position of the upright 20 is easy by a rotating operation.

  In the invention according to claim 5, in addition to the effect of any one of claims 1 to 4, the resistance bar portion 16a is inserted into the field at a location relatively distant from the cultivation claw 5 during the cultivation operation. As a result, stable tilling work can be performed, and when the wheel 18 is moved, the wheel 18 is grounded at a position relatively close to the tilling claw 5, so that the moving operation can be performed lightly.

It is a left view of a management machine. It is a left view of the hitch of a management machine. It is the left view which attached the stand to the hitch in the non-working state. It is the left view which attached the stand to the hitch in the working state. It is a front view of a vertical stand. It is a side view of an upright. It is an upper perspective view of an upright. It is a side perspective view of an upright. It is an upper perspective view of an upright. It is a left view of a cultivation work state. It is a left view of a traveling state. It is a left view of a standing work state.

  Hereinafter, an embodiment of the present invention will be described using a walking management machine. In this specification, the left and right directions in the forward direction of the management machine are referred to as left and right, respectively, the forward direction is referred to as forward, and the reverse direction is referred to as rear.

  First, the vehicle body frame 1 has the engine 2 mounted on the front portion, the transmission case 3 and the rear frame 8 connected to the rear thereof, and an engine output shaft and a mission input shaft provided on the left side of the engine 2 and the transmission case 3. The belt transmission mechanism 4 is connected so as to be capable of power transmission. The belt transmission mechanism 4 is provided with a tension clutch 24, and can be turned on and off by a clutch lever 22 provided on a grip portion 14a of the handle arm 14 described later.

  A transmission case 7 is mounted on the right side surface of the transmission case 3 toward the lower side of the body frame 1, and the work shaft 6 protrudes in the left-right direction at the lower part of the transmission case 7. The shaft rotation is transmitted to the work shaft 6. A tilling claw 5 is attached to the work shaft 6.

A lower handle bar 10 is attached to the rear frame 8 at the rear end of the vehicle body frame 1 in the rear upper direction, and the hitch 9 is attached rearward.
At the upper end of the lower handle bar 10 that rises rearward and upward, a handle arm 14 that spreads in the shape of a left and right in the plan view is attached to the upper part of the lower handle bar 10 so that it can be pivotally fixed by a knob 13. The handle arm 14 is bent downward from the lower handle bar 10 at the knob 13 portion, and the wheel 18 attached to the hitch 9 is lifted and supported by the tip of the grip part 14a and the tilling claw 5. To prevent the aircraft from falling down.

  As shown in FIG. 2, the hitch 9 is composed of plate bodies 9 c and 9 c that sandwich the vertical support pipe 11 from the left and right sides from the rear frame 8, and the adjustment pipes 9 b 1 and 9 b 2 at the top and bottom are formed through the support pipe 11. Provided as a resistance rod support portion 9b, the plate body 9c, 9c is provided with a lock pin 9a1 protruding left and right sides and two lock holes 9a2, 9a3 penetrating the plate bodies 9c, 9c to support the vertical device This is part 9a.

  As shown in FIG. 11, the resistance rod 16 is a single rod-like body in which a resistance rod portion 16a to be inserted into the ground at the time of tillage work and a wheel mounting portion 16b for attaching the wheel 18 are connected by an oblique connection portion 16c. A mounting hole 16a1 is provided in the wheel mounting portion 16b, and a mounting hole 16b1 is also provided in the wheel mounting portion 16b. Also, on the resistance rod portion 16a side, an axle 19 is fixed to the tip of axle arms 17, 17 projecting left and right from the oblique connecting portion 16c, and a wheel 18 is pivotally attached.

  As shown in FIGS. 7 and 8, the vertical plate 20 is made of a sheet metal lining plate 25. The front part 25a at the center of the left and right sides is inclined downward in the plan view, and the left and right sides of the front part 25a are rearward. The left and right upper end portions 25c are formed by bending the upper and left and right end portions of the soil gathering inclined portion 25b toward the front side at a gentle angle (bending line K1). An earth retaining plate 26 made of a rubber plate is attached with a rivet 27 along the rear surfaces of the earthing inclined portion 25 b and the left and right upper end portions 25 c of the metal plate making plate 25. The upper end edges of the front portion 25a and the left and right upper end portions 25c are bent forward to form a reinforcing edge 25d. Moreover, the upper end edge of the earthing slope part 25b is bent toward the left and right outer sides to form a reinforcing edge 25d. Further, a groove bottom leveling portion 25e that protrudes rearward is formed at the lower end of the front portion 25a of the earthing plate 25, and the bottom of the trough groove is pressed by this groove bottom leveling portion 25e.

  As shown in FIGS. 5 and 6, the erecting device mounting arm 21 of the erecting device 20 is composed of strip-shaped plates 21 a and 21 b so as to sandwich the hitch 9 from the left and right, and the left and right plates 21 a and 21 b are long. The upright 20 is connected to the hitch 9 by a connecting pin 31 that forms a hole 22 and a locking hole 30 and passes through the long hole 22 and the locking hole 9 a 3 of the hitch 9.

Then, as shown in FIG. 4, the erecting device 20 is lowered to connect the locking hole 9 a 2 of the hitch 9 and the locking hole 30 of the erecting device mounting arm 21 with the U-shaped pin 23, so that the erecting work state is achieved. Become.
Further, the U-shaped pin 23 is pulled out from the locking hole 30, the upright 20 is rotated upward and slid downward along the elongated hole 22, and the outside of the plate bodies 21a and 21b is moved to the locking pin 9a1. When the U-shaped pin 23 is inserted into the lower part of the long hole 22, the upright 20 is held in the raised position in FIG. Since the U-shaped pin 23 springs in the insertion direction with a spring, the operation of rotating the erecting device 20 while sliding the U-shaped pin 23 with a fingertip can be easily performed with one hand.

  FIG. 10 shows the tillage work. That is, by inserting the wheel mounting portion 16b into the support pipe 11 of the hitch 9 from below and penetrating either one of the adjustment holes 9b1 and 9b2 and the mounting hole 16b1, and inserting and fixing a locking pin (not shown). The resistance rod portion 16b is inserted into the ground at the rear side away from the tilling claw 5, and is in a tilling work state. Then, the resistance rod portion 16a inserted into the ground to move forward with the tilling claws 5 acts as a resistance rod, so that the cultivation work can be stably performed. At this time, the upright 20 is in the non-working position held in the above-described raised position.

  The moving operation is as shown in FIG. That is, by inserting the resistance rod portion 16a into the support pipe 11 of the hitch 9 from below and penetrating either one of the adjustment holes 9b1 and 9b2 and the attachment hole 16a1, and inserting and fixing the locking pin (not shown). The wheel 18 contacts the ground at a position where the axle 19 is closer to the tillage claw 5 than below the support pipe 11. Then, if the grip part 14a is lightly pushed down, the tillage nail | claw 5 will float and it can move, pushing lightly.

  FIG. 12 shows the erection work. That is, the upright 20 is fixed at the lowering work position, the wheel mounting portion 16b is inserted into the support pipe 11 of the hitch 9, and the locking pin is inserted through either the adjustment hole 9b1 or 9b2 and the mounting hole 16b1. As a result, the tip of the resistance bar portion 16a is lifted from the ground and is grounded with the wheel 18 approaching the upper rear surface of the upright 20, so that the upright work can be performed.

Next, the uprighting action of the upright 20 will be described.
The vertical stand 20 distributes the soil cultivated while following the rear of the tilling claws 5 to form right and left ridges, and a ridge is formed by raising the soil left and right. The kite according to the present embodiment is a so-called externally erected work in which one side surface of the kite is formed by one straight traveling and the other side surface of the kite is formed by turning.

  While pressing the soil cultivated with the tilling claws 5 with the front portion 25a of the metal digging plate 25, the ridge groove U2 is formed, and the soil is pushed to the left and right sides with the digging side surface portion 25b, along the back surface of the digging side surface portion 25b. The earth is pressed against the side face U1 of the ridge with the rubber pressing plate 26 made of rubber plate that sticks and protrudes to the left and right sides, so that the ridge groove U2 and the ridge side face U1 are neatly formed. Further, the upper portion of the side surface U1 (inclined surface) of the ridge is satisfactorily formed by a portion of the earth retaining plate 26 along the left and right upper end portions 25c. This is because the upper end portion of the earth retaining plate 26 bends gently toward the front side along the left and right upper end portions 25c (bending line K2), and accordingly, a pressing action is applied to the upper portion of the heel inclined surface. .

  The front part 25a, the earthing side part 25b, and the left and right upper end parts 25c of the earthing board 25 that pushes the soil plowed by the tilling claws 5 can be firmly formed by the reinforcing edge 25d. Moreover, the soil which tries to get over the front part 25a and the upper end of the earthing side part 25b of the earthing board 25 is blocked by the reinforcing edge 25d, so that the earth does not fall into the eaves groove, and a clean fence is formed.

Moreover, since the back surface of the front portion 25a of the earthing board 25 is formed in a flat surface, the mounting (welding or the like) of the vertical mounting arm 21 is facilitated.
Further, the bottom surface of the groove formed at the front portion 25a of the earthing plate 25 is pushed by the groove bottom leveling portion 25e to be cleaned.

Tillage claw 5
Work axis 6
Hitch9
Vertical support 9a
Resistance rod support 9b
Resistance rod 16
Wheel 18
Stand 20

Claims (5)

In a management machine provided with a tilling claw (5) on the work shaft (6) provided at the lower part of the machine body and a hitch (9) on the rear part of the machine body,
A hitch (9) is provided with a vertical support (9a) for rotating and supporting the vertical stand (20) at the lowering working position and the non-lifting working position; The resistance rod support portion (9b) that enables the resistance rod (16) to be inserted to be turned upside down is supported, and the resistance rod support portion (9b) is provided on the rear side of the upright support portion (9a). A featured management machine.   The resistance rod support portion (9b) is constituted by a vertical support pipe (11), and the support pipe (11) is mounted on the upright device support portion (9a) in the raised non-working position. The management machine according to claim 1, wherein the resistance rod (16) can be attached to the upper and lower sides of the resistance bar.   The erecter mounting arm (21) of the erecter (20) is moved up and down and slid to the erecter support part (9a) of the hitch (9) by moving the elevator (20) in the lowering working position and non-raising position. The management machine according to claim 1, wherein the management machine can be changed to a work position.   The upright mounting arm (21) is moved up and down with the plates (21a) and (21b) being pivotally attached to the vertical support (9a) so that it can pivot up and down with the hitch (9) interposed therebetween. The management machine according to any one of claims 1 to 3, wherein the management machine can be changed to a non-working position.   The resistance rod portion (16a) and the wheel mounting portion (16b) are connected by the connection portion (16c) and the axial direction is shifted back and forth to form the resistance rod (16), and the resistance rod portion (16a) is put into use. The distance between the resistance rod portion (16a) and the tilling claw (5) at the time is longer than the distance between the wheel (18) and the resistance rod (16) when the wheel (18) is in use. The management machine according to any one of claims 1 to 4.

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