JP2012065667A - Walking-type tending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a walking-type tending machine enabling ridging work using itself to be efficiently conducted with no need of any labor trouble of replacing its machine parts.SOLUTION: The walking-type tending machine is such that: a travel machine body 1 with a steering handle 4 extended rearward includes a plowing rotor 16; the rear of the travel machine body 1 includes a rod 13 directed vertically of the machine body; a soil hiller 20 including a forming plate for forming ridges by pressing the soil plowed with the plowing rotor 16 is installed between the plowing rotor 16 and the rod 13; a member with higher flexural strength than that of the forming plate is set at the center of the transverse direction of the forming plate; both-sided edge sides in the direction of the forming plate are constructed to be bendable on both sides of the rod 13 laid at the center of the transverse direction of the forming plate through the reaction force pressing the flank of a ridge, thus restricting the rearward movement of the forming plate thanks to the rod 13.

Description

  The present invention relates to a walking-type management machine configured to a saddle molding specification.

As a walk-type management machine, the engine is directly connected to a transmission case with a rotating shaft horizontally supported at the bottom, and a steering handle is extended backward from the transmission case to form a traveling machine body. There is known one having a rear hitch for mounting an instrument (for example, see Patent Document 1).

  In order to set up using this walking type management machine, first, a tilling rotor is attached to the rotating shaft at the bottom of the transmission case, and a resistance rod is attached to the rear hitch, so that it is driven to rotate at high speed in the down cut direction. While cultivating with the tilling rotor, the advancing by the rotation of the cultivating rotor, and plowing while advancing at a desired speed by adjusting the advancing resistance by the resistance rod that has entered the field behind the machine body ( FIG. 1 of Patent Document 1). After that, attach the wheel to the rotating shaft, remove the resistance rod from the rear hitch, and attach the cultivator to the rear hitch, press the soil that was cultivated earlier while moving forward at low speed with the wheel, and mold the ridge (See FIG. 2 of Patent Document 1).

JP 2003-52202 A

  In the walking type management machine configured as described above, the tilling work and the dredging work are separately performed, and the work is troublesome, and when switching from the tilling work to the dredging work, the rotation rotor and the wheel on the rotating shaft are switched. It was necessary to replace the resistance rod and cultivator with the rear hitch, and it took a lot of work to do so.

  The present invention has been made paying attention to such points, and it is an object of the present invention to make it possible to efficiently perform the uprighting work using a walking-type manager without the need for replacing equipment. It is said.

  1st invention equips the traveling body which extended the steering handle back with a tilling rotor, arranged a resistance rod in the rear part of a traveling body, and pressed the soil plowed with the tilling rotor, The earthenware container to be molded is arranged between the tilling rotor and the resistance rod.

  According to the said structure, a cultivator will be made to act on a tilling trace while plowing with a tilling rotor, and a straw will be shape | molded, and even if it equips with a resistance rod, a standing work can be performed. In this case, by arranging the cultivator close to the front of the resistance rod, it becomes easy to support the backward load acting on the cultivator on the rigid resistance rod.

  Therefore, according to the first aspect of the present invention, it is possible to efficiently perform the setting without replacing the resistance rod and the cultivator and performing the tilling work and the straw forming work separately.

According to a second invention, in the first invention,
A cultivator is attached to and supported by a resistance rod.

  According to the above configuration, even in a model that does not have a structure for attaching a cultivator, the cultivator can be easily mounted and supported using a resistance bar.

According to a third invention, in the first or second invention,
The earthenware is supported so that it can swing back and forth around the upper fulcrum.

  According to the above configuration, the soil cultivator located in front of the resistance rod swings rearward by a backward load and is received by the resistance rod, and is held in a predetermined strength forming action posture with a large strength. Even if the attachment strength is not particularly increased, it is possible to perform a good wrinkle forming while maintaining a predetermined wrinkle forming action posture.

According to a fourth invention, in the third invention,
It is provided with a restricting means for restricting the forward swinging of the earthenware container.

  According to the above, it is possible to prevent the cultivator from being damaged by the tilling rotor by setting the forward swing limit of the cultivator at a position that does not contact the tilling rotor.

A fifth invention is the invention according to any one of the first to fourth inventions,
The cultivator is configured to be able to be replaced and held in a retracted position above the resistance bar.

  According to the above configuration, it is possible to perform normal tillage work using the tiller rotor and resistance bar by changing the upper soiling device to the upper stowed position and removing it, and storing it. It is possible to eliminate the trouble of keeping it.

Side view of walking type management machine Top view of walking type management machine Side view with the steering wheel and ridger in the retracted position Rear view of the earthenware Longitudinal side view showing the earthenware in the cocoon forming posture Rear view showing the earthenware in the cocoon forming posture Top view showing the earthenware in the cocoon forming posture Rear view showing another earthenware Longitudinal side view showing another implement Furthermore, the rear view (a) which shows the earthenware machine of another Example, and the front view in the usage pattern reversed (b) Rear view showing the earthenware of other examples Side view showing the earthenware of other examples

  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, A fender 6 is extended and arranged on the upper left and right of the transmission case 3.

  The engine 2 is a vertical air-cooled gasoline engine, and is configured to manually start the engine using a recoil starter 7 provided on 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 is composed of 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 around a lateral fulcrum p. The knob 10 with the knob 10 is loosened, the operation handle 4b is rotated up and down, and the bolt 10 with the knob is tightened at an arbitrary rotation position, whereby the height of the operation handle 4b can be adjusted. . As shown in FIG. 3, the operation handle portion 4 b can be folded and stored so as to straddle the engine 2 by largely rotating forward.

  The rope hook 9 has a round bar bent in a loop shape and is fixed to a lateral stay portion 4c of the operation handle portion 4b. The free end portion of the rope hook 9 is extended sideways to form a handle 9a. ing. As shown in FIG. 3, in the state where the operation handle portion 4 b is folded and fixed at the retracted position, the handle 9 a is located at the upper rear side of the engine 2, and the arch-like shape provided at the upper front end of the transmission case 3 is provided. The traveling machine body 1 can be lifted by holding the protector 11 and the handle 9a at the rear.

  A rear hitch 12 of a sheet metal structure is provided at the rear part of the transmission case 3, and the handle base is connected to the lower rear portion of the transmission case 3 by connecting the front end of the handle base 4 a inserted through the rear hitch 12. 4a is firmly fixed and supported 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 formed by bending a round bar into a U-shape is inserted into the boss portion 12a, and the position is fixed by a through pin 14. Has been. 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 that is designed to carry out an externally built up type that forms a ridge on the left and right sides of the passing track of the traveling machine body 1 when traveling forward, and is supported on the lower part of the transmission case 3. Further, a tilling rotor 16 is mounted on each of the left and right rotating shafts 5. 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, and is advanced by the rotation of the tilling rotor 16 while plowing. By adjusting the forward resistance by the resistance bar 13, plowing is performed while moving forward at a desired speed.

  The tilling rotor 16 is configured by planting tilling claws 18 on a pawl shaft 17 connected to the rotary shaft 5. In this example, plural kinds of tilling claws 18 are arranged in a predetermined arrangement. Thus, the one that is configured to have an outside pitching specification in which the soil cultivated over a predetermined lateral width is flipped up and down is used.

  At the rear position of the rear hitch 12, a soil cultivator 20 is connected and supported so as to be freely rotatable around a lateral fulcrum q so as to be close to the front of the resistance bar 13. As shown in FIGS. 4 and 5, this earthenware container 20 is configured by bolting and connecting a molded plate 22 made of a rubber plate to a metal support frame 21, and details thereof are as follows. is there.

  The support frame 21 includes an upper horizontal frame portion 21a which is made of a flat steel material and which is long on the left and right sides, a lower horizontal frame portion 21b which is short on the left and right sides, and a vertical frame portion 21c which connects these left and right central portions. A connecting frame portion 21d bent and extended in a bifurcated shape upward from the upper end of 21c is pin-connected to the rear hitch 12 so as to be rotatable. A bent portion 21e connected to the upper end of the vertical frame portion 21c is welded over the left and right front connecting frame portions 21d, and the bent portion 21e is connected to the rear hitch 12 as shown by an imaginary line in FIG. By contacting the lower surface, the forward swing limit of the cultivator 20 is restricted, and the cultivator 20 is prevented from contacting the tilling rotor 16.

  The molded plate 22 is obtained by cutting a rubber plate having a thickness of several millimeters with appropriate hardness and elasticity into an inverted trapezoidal shape, and is bolted at a plurality of locations above and below the front surface of the support frame 21. Is done. The molding plate 22 has a lateral width that protrudes from the lateral outer end of the support frame 21, and a vertical height that is the same height as the vertical height of the support frame 21. A tongue piece 23 protruding downward from the frame portion 21b is integrally formed.

  According to the above configuration, the tiller rotor 16 is driven to rotate at a high speed in the downcut direction (see the arrows in FIGS. 1 and 3) at a high speed to advance by the rotation of the tiller rotor 16 and plow into the field. By adjusting the advancing resistance due to the rod 13, the soil that has been cultivated and softened while being plowed and raised to the left and right while moving forward at a desired speed is pushed and moved by the inverted trapezoidal shaper 20 The bottom surface B of the ridge is press-molded at the lower end side 22 a of the molding plate 22, and the side surfaces S of the left and right ridges are press-molded at the inclined side end side 22 b of the molding plate 22.

  In this case, as shown in FIG. 5, the soil cultivator 20 is swung rearward around the fulcrum q by a load acting backward, and the lower portion of the support frame 21 is received by the resistance rod 13 so that the soil cultivator 20 is slightly forwarded. It is maintained in a predetermined wrinkle forming action posture that is inclined and inclined.

  As shown in FIGS. 6 and 7, the tongue piece 23 protruding from the lower end side 22 a of the molding plate 22 is bent backward by a reaction force that presses the bottom surface B of the heel, and the elastic restoring force causes the bottom piece B of the heel While pressing the left and right ends, even if the height of the bottom surface B of the kite changes slightly due to plowing and changes in the front and rear posture of the traveling machine 1, the bending state of the tongue piece 23 changes following the change. The bottom surface B of the ridge that is moderately pressed can be formed.

  The side edge 22b of the forming plate 22 is also bent backward by a reaction force that presses the side surface S of the reed, and the side surface S of the reed is pressed and hardened by its elastic restoring force, and the lateral width between the reeds slightly varies depending on the state of tillage. However, according to the fluctuation | variation, the bending state of the side edge 22b follows and changes, and the side surface S of the heel which was moderately pressed can be formed.

  As shown in FIG. 3, the removed cultivator 22 is replaced and connected in a posture in which it is greatly swung back, and the bent portion 21 e of the support frame 21 is connected to the rear hitch 12 as indicated by a virtual line in FIG. 5. The soil cultivator 20 can be held in the retracted position above the resistance rod 13 by being locked to the upper surface of the cultivator, and the cultivating rotor 16 and the resistance are maintained while the soil cultivator 20 is portablely mounted on the traveling machine body 1. Tillage work using the rod 13 can be performed.

[Other Examples]
The present invention can also be implemented in the form shown below.

  (1) As shown in FIGS. 8 and 9, the earthenware container 20 may be directly connected to and supported by the resistance bar 13. In this case, by configuring the boss portion 21e provided at the lower back of the support frame 21 in the cultivator 20 so as to be slidable up and down on the resistance rod 13 and to be fixed by the set bolt 25, the cultivator 20 can have any height. It is possible to adjust the position and use it, which increases convenience.

  (2) As shown in FIG. 10A, in the form in which the earthenware 20 is directly connected to and supported by the resistance bar 13, a waveform in which the upper end side 22 c of the molding plate 22 in the earthing machine 20 protrudes from the support frame 21. By forming the shape, as shown in FIG. 10B, in the state where the earthenware container 20 is turned upside down and attached to the resistance bar 13 so that the upper end side 22c becomes the lower end, the earthing machine 20 is used as a leveling plate. It can be used.

  (3) As shown in FIGS. 11 and 12, the connection fitting 26 extending from the upper left and right of the earthenware device 20 is locked in the connection hole 27 formed in the rear part of the left and right fenders 6 in the traveling machine body 1. Therefore, it is also possible to implement in a form in which the earthenware container 20 is attached.

  (4) In the above embodiment, the case of an axle working mode in which the tilling rotor 16 is mounted on the rotating shaft of the traveling machine body 1 is shown, but the tilling rotor 16, the cultivator 20, and the rear of the propulsion wheel In this case, the resistance bar 20 functions only as a positioning member that receives the cultivator 20 from the rear and determines a predetermined straw forming action posture.

  (5) In the above-described embodiment, the case where the mortar is formed with the external filling specification that forms the side surface S and the bottom surface B of the left and right ridges with the cultivator 20 is illustrated. It can also be carried out with the internal specifications that are formed.

DESCRIPTION OF SYMBOLS 1 Traveling machine body 4 Steering handle 13 Resistance rod 16 Plowing rotor 20 Grower q Support point

The present invention has been made paying attention to such points, and it is an object of the present invention to make it possible to efficiently perform the uprighting work using a walking-type management machine without the need for replacement of equipment. It is said.

The present invention is equipped with a tilling rotor on a traveling machine body in which a steering handle is extended backward, and a vertical bar is provided at the rear of the traveling machine body to press the soil plowed by the tilling rotor. A soil cultivator equipped with a molding plate for forming a cocoon is disposed between the tilling rotor and the rod, and has a stronger strength against bending force than the molding plate at the center in the left-right direction of the molding plate. It is equipped with a high member, and both side edges in the left-right direction of the molding plate can be bent to both sides of the rod arranged at the center in the left-right direction of the molding plate by a reaction force pressing the side surface of the collar. It is comprised and the movement to the back side of the said shaping | molding board is controlled with the said stick | rod, It is characterized by the above-mentioned.

According to the said structure, a cultivator will be made to act on a tilling trace while plowing with a tilling rotor, and a ridge will be shape | molded, and even if it equips with the up-and-down direction rod of a machine body, it can perform a standing work. In this case, it becomes easy to support the backward load acting on the soil cultivator on the highly rigid rod by arranging the soil cultivator close to the front of the vertically facing rod .

Therefore, according to the present invention, the upsetting can be efficiently performed without the trouble of separately performing the tilling work and the straw forming work by exchanging the vertical bar and the earthenware.

(4) In the above embodiment, the case of an axle working mode in which the tilling rotor 16 is mounted on the rotating shaft of the traveling machine body 1 is shown, but the tilling rotor 16, the cultivator 20, and the rear of the propulsion wheel , the resistance bar 13 can also be carried out in the deployed configuration in this order, in this case, the resistance bar 13 functions only as a positioning member for determining a predetermined ridge forming action posture receiving the soil 20 from behind.

DESCRIPTION OF SYMBOLS 1 Traveling machine body 4 Steering handle 13 Aircraft body up-down direction stick 16 Plowing rotor 20 Grower
21 Higher strength against bending force than molded plate
22 molded plates
22b side edge

Claims (1)

  Equipped with a tilling rotor on the traveling body with the steering handle extended rearward, and a rod that is vertically oriented at the rear of the traveling body, and presses the soil plowed by the tilling rotor to form a rod. A soil cultivator equipped with a forming plate is disposed between the tilling rotor and the rod, and a member having higher strength against bending force than the forming plate is provided at the center in the left-right direction of the forming plate. The side edges of the molding plate in the left-right direction are configured to be bendable on both sides of the rod disposed at the center in the left-right direction of the molding plate by a reaction force pressing the side surface of the collar, A walking-type management machine characterized in that movement of the molded plate to the rear side is regulated by a stick.

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