JP5973339B2 - Walking type management machine - Google Patents

Description

  The present invention relates to a walking-type management machine provided with a detachable resistance rod on the rear end side of the machine body.

  Patent Document 1 provided with a machine body having a steering handle extended rearward, a tilling rotary supported rotatably on the lower side of the machine body, and a resistance rod detachably attached to the rear end side of the machine body The walking type management machine shown in FIG.

JP 2012-90536 A

  The walking type management machine of the above document can remove the resistance bar when unnecessary, so it is highly convenient, but supports the resistance bar so that it can rotate around the axis in the front-rear direction. In addition to the low stability of the machine, it may take time to attach and detach, and a separate support mechanism for detachably supporting the resistance rod on the rear end of the aircraft is required, increasing the number of parts and increasing costs. Become.

  The present invention is a walking type management machine provided with a detachable resistance bar on the rear end side of the aircraft, and the walking type management machine that can be detachably mounted on the rear side of the aircraft with a simpler configuration. The issue is to provide.

In order to solve the above-described problems, the present invention firstly includes a machine body 1 having a steering handle 2 extending rearward, a tilling rotary 3 supported on the lower side of the machine body 1 so as to be rotatable and driven, and a machine body 1. In a walking-type management machine provided with a resistance rod 4 that is detachably attached to the rear end side, a molding part 23 provided with a molding sheet 33 that is arranged on the rear side of the tillage rotary 3 and molds a ridge is shown in a side view. A resistance portion 21 is formed near the one end of the resistance rod 4 bent into an S-shape, and a resistance portion 21 is formed near the other end of the resistance rod 4 to be inserted into the soil to stabilize the running of the machine body. The resistance posture in which the forming portion 23 is removably inserted into the mounting sleeve 16 so as to be removably tilted downward at a position away from the tilling rotary 3 on the right rear side of the tilling rotary 3. Switch the resistance rod 4 to On the other hand, by inserting and fixing the resistance portion 21 to the mounting sleeve 16 so as to be detachable, the molding portion 23 inclines backward downward at a position close to the tillage rotary 3 immediately behind the tillage rotary 3. The resistance rod 4 is switched to the formed posture .

Secondly , a wheel 27 located on the rear side of the molding sheet 33 in the molding posture is provided in the middle portion of the resistance rod 4.

  Since one end of the resistance rod is removably inserted into the mounting sleeve and attached and fixed, the resistance rod can be easily attached and detached, and the resistance rod can be attached and fixed stably. Since the mounting sleeve is integrally formed on the base end side of the handle, it is not necessary to separately provide a member for attaching the resistance rod on the machine body side, and the configuration is simplified.

  In addition, a forming portion that is provided on the rear side of the tillage rotary and provides a forming sheet for forming the reed is formed on a portion near one end of the S-shaped resistance rod, and on the other end portion of the resistance rod, A resistance part is formed which is inserted into the soil to stabilize the running of the machine body.The resistance part is moved away from the tilling rotary on the rear side of the tilling rotary by inserting and fixing the molding part to the mounting sleeve. While the resistance rod is switched to a resistance posture inclined downward at a certain position, the resistance portion is detachably inserted into the mounting sleeve and fixed, so that the forming portion is located on the rear side of the cultivation rotary. When the resistance rod is switched to a molding posture that is inclined backward toward the bottom at a position approaching the position, the resistance rod is suitable to be inclined downward at a position near the rear of the rotary rotary. It is necessary to provide a switching member that can be switched between an appropriate resistance posture and an appropriate molding posture in which the molded sheet is tilted downward at a position far from the rotary rotary, and that allows the resistance rod to be appropriately switched. Therefore, the number of parts is reduced.

  In addition, according to what provided the wheel located on the rear side of the molded sheet at the time of the molding posture in the middle part of the resistance rod, because the wheel is arranged on the rear side of the molded sheet brought close to the tillage rotary side, The space behind the aircraft can be used efficiently.

It is the side view of the walk type management machine which showed the state switched to the resistance posture. It is the principal part side view which showed the mounting sleeve periphery at the time of a resistance posture. It is the side view of the walking type management machine which showed the state switched to the shaping | molding attitude | position. It is the principal part side view which showed the mounting sleeve periphery at the time of a shaping | molding attitude | position. It is the figure which showed the shaping | molding unit.

  FIG. 1 is a side view of a walking type management machine showing a state switched to a resistance posture, FIG. 2 is a side view of a main part showing a periphery of a mounting sleeve in a resistance posture, and FIG. 3 is a molding posture. FIG. 4 is a side view of the main part showing the periphery of the mounting sleeve in a molding posture. From the figure, the walking type management machine to which the invention of the present application is applied has a handle 2 (steering handle) extending obliquely upward and rearward of the body 1, and a left-right direction supported rotatably on the lower side of the body 1. A tilling rotary 3 and a resistance bar 4 supported on the rear end side of the machine body 1 are provided.

  The fuselage 1 includes a horizontal horizontal frame 6 that also functions as a fender cover, a transmission case 8 and an engine 7 fixed on the upper surface side of the horizontal frame 6, and a lower side toward the front in the center of the left and right width of the fuselage 1. And a pair of left and right rear frames 11 which are disposed on the rear end side of the horizontal frame 6 and constitute the frame portion of the airframe 1 together with the horizontal frame 6 and the mission case 9.

  The transmission case 8 transmits engine power into the transmission case 9, and the transmission case 9 is formed in a range from the upper side to the lower side of the horizontal frame 6, and its front half is below the horizontal frame 6 in a side view. It protrudes diagonally forward. A central portion of the left and right rotary shaft 12 is rotatably supported at the lower end portion of the transmission case 9, and the transmission case 9 changes the power from the transmission case 8 and transmits it to the rotary shaft 12.

  A plurality of tilling claws 13 are mounted on the rotary shaft 12, and the plurality of tilling claws 13 and the rotary shaft 12 constitute the tilling rotary 3 described above.

  The handle 2 is integrally attached to a pipe-like handle frame 14 fixed between the pair of left and right rear frames 11 described above, and a lower end side (base end side) of the handle frame 14, and the resistance rod is attached to the handle frame 14. A vertical mounting sleeve (mounting portion) 16 that can be detachably mounted, and a handle main body 17 that is attached and supported on the upper end side of the handle frame 14 and that extends obliquely rearward and upward are provided. The handle body 17 is bifurcated left and right toward the distal end side (rear), and a pair of left and right distal ends of the handle body 17 become grips 18 and 18 respectively bent downward.

  On one side of the left and right grips 18, 18, a clutch lever 19 is provided that is swung away from and close to the grip 18. When the clutch lever 19 is gripped together with the grip 18, a clutch mechanism (not shown) is provided. While the tillage rotary 3 is tillage driven (rotation driven) by the connection operation, when the hand is released from the clutch lever 19, the clutch lever 19 swings in a direction away from the grip 18, and the clutch mechanism is disconnected. Then, the tilling rotary 3 is stopped.

  The mounting sleeve 16 is integrally formed on the lower end side of the pipe-shaped handle frame 14, and in the illustrated example, on the inner peripheral side of the cylindrical portion at the lower end portion of the handle frame 14, on the outer peripheral side of the mounting sleeve 16. By fitting and fixing, the mounting sleeve 16 is integrally attached and fixed to the proximal end portion of the handle 2 (see FIGS. 2 and 4). The mounting sleeve 16 may be formed integrally with the lower end portion of the handle frame 14.

  The mounting sleeve 16 is provided with support holes 16a and 16b for holding the inserted resistance rod 4 in two vertical directions and in the left-right direction. Further, an inverted U-shaped notch 16c is formed on the front side of the mounting sleeve 16 from the lower end side upward, so that the middle part (bent part) of the resistance rod can pass through the notch 16c. It is configured. Details will be described later.

  The resistance rod 4 has a middle portion bent backward with respect to one end side, and the other end portion bent downward with respect to the middle portion. The resistance rod 4 has a side surface as a whole. It is a metal rod-like member having an S-shape. Further, the one end side of the resistance bar 4 becomes a molding portion 23 to which a molding unit 22 for molding the ridge is detachably attached, and the other end side is inserted into the field to stabilize the traveling of the machine body 1. Part 21 (see FIG. 2). Note that a plurality (three in the illustrated example) of pin holes 23a for attaching the molding unit 22 are formed in the molding portion 23 in the longitudinal direction. The molding unit 22 will be described later.

  In addition, a rod-like support frame 24 extending toward the molding portion 23 is provided in the middle portion of the resistance rod 4, and the support frame 24 includes a left and right axle 26 installed at the protruding end portion. A pair of left and right tail wheels 27 and 27 (wheels) are provided so as to be freely swingable via each other.

  Any one of the resistance portion 21 and the molding portion 23 of the above-described resistance rod 4 is removably fitted into the mounting sleeve 16 and inserted, and the pin is fixed in this inserted state. Therefore, by attaching the molding part 22 side from which the molding unit 22 is removed to the mounting sleeve 16, the resistance rod 4 is switched to the resistance posture, and the resistance part 21 side is attached to the mounting sleeve 16, and the ridge is molded to the molding part 23. By attaching the molding unit 22 to be operated, the resistance bar 4 is switched to the molding posture. That is, the resistance part 21 and the shaping | molding part 23 (and shaping | molding unit 22) are used alternatively (refer FIG. 1, 4).

  FIG. 5 is a view showing a molding unit. The molding unit 22 is composed of a vertical frame 28 in the vertical direction and a horizontal frame 29 that extends in the left and right directions from the upper end of the vertical frame 28, and a U-shaped seat frame 31 that is open at the rear. A channel-shaped mounting body 32 having a cross section and extending in the vertical direction along the vertical frame 29, and a molded sheet 33 made of a synthetic resin or the like that is attached and supported on the front side of the seat frame 31 and can be elastically deformed flexibly. And have.

  The molded sheet 33 is formed in an inverted triangular shape with the lateral width gradually decreasing from the horizontal frame 29 side toward the lower end side of the vertical frame 28 in the rear view. The horizontal frame 29 is bent at the upper end portion to form a positioning portion 29a, and the upper end portion of the molded sheet 33 is in contact with the lower surface of the positioning portion 29a and the front surface of the horizontal frame 29. A plurality of left and right portions of the upper end portion of the molded sheet 33 are attached to the horizontal frame 29 by means of attachments 34 such as pins, whereby the molded sheet 33 is attached to the seat frame 31 side. In this attached state, the left and right widths of the base end portion of the molded sheet 33 are set to be slightly larger than the overall length of the horizontal frame 29, and the upper end side of the molded sheet 33 slightly protrudes from the horizontal frame 29 to the left and right sides.

  Further, the lower end side of the vertical frame 28 of the seat frame 31 is formed with a rectangular regulation portion 36 that is formed wide in the left-right direction. According to the restricting portion 36, the lower end side of the molded sheet 33 can be more stably supported from the back side.

  On the inner surface side of the mounting body 32, pin holes 32 a drilled in both side walls of the mounting body 32 and the pin holes 23 a of the molding section 23 with the peripheral surface of the molding portion 23 of the resistance rod 4 fitted and inserted. The molding unit 22 is detachably attached to the molding part 23 of the resistance bar 4 by the mounting pin 35 that is inserted and penetrates the mounting body 32 and the molding part 23 in the left-right direction.

  Next, based on FIG. 1 thru | or 5, the tilling operation | work using this walking type management machine is demonstrated.

  When performing the tilling work without forming the reed, as shown in FIG. 1, the resistance portion 4 is switched to the resistance posture by inserting and fixing the forming portion 23 from which the forming unit 22 has been removed to the mounting sleeve 16, In the case of forming a basket in the field, as shown in FIG. 3, the resistance portion 21 is inserted into the mounting sleeve 16 and fixed, and the molding unit 22 is attached to the molding portion 23, whereby the resistance bar 4 is molded. Can be switched to.

  Specifically, as shown in FIGS. 1 and 2, with the molding unit 22 removed from the molding part 23 of the resistance bar 4, the molding part 23 is placed on the lower end side of the mounting sleeve 16 and the handle frame 14. In the state where the middle part of the resistance rod 4 is bent backward, the support hole 16a (hereinafter referred to as resistance switching hole) on the upper side of the mounting sleeve 16 and an optional mounting hole 23a on the molding part 23 side (example shown in the figure) Then, by inserting the support pin 30 in the middle), the resistance rod 4 can be attached to the body 1 side in a resistance posture in which the resistance portion 21 acts in the soil.

  The resistance posture is a state in which the resistance portion 21 is inclined backward and downward with respect to the forming portion 23 at a position away from the tilling rotary 3 on the rear side of the tilling rotary 3 (see FIG. 2). That is, when the resistance portion 21 of the resistance bar 4 is inserted into the soil in a suitable posture, an appropriate running resistance is smoothly generated and stability is increased, so that an efficient tillage operation is performed. Is possible. At this time, the vertical position of the resistance bar 4 can be changed by changing the attachment hole 23a used when attaching the molding part 23 to the mounting sleeve 16, so that the resistance part 21 can be moved to the field according to the state of the field. By adjusting the amount of protrusion, it is possible to obtain a running resistance suitable for the field condition.

  Further, according to the resistance posture, the molding unit 22 is removed from the molding portion 23 and the molding portion 23, which is one end side of the resistance rod 4, is inserted and fixed to the mounting sleeve 16. Since it does not protrude from the rear side of the body 1, the space behind the body 1 can be used efficiently. Further, the tail wheel 27 is disposed at the end of the support frame 24 extending rearward from the middle front side of the resistance bar 4, so that the tail wheel 27 is disposed substantially above the resistance bar 4, and the tail wheel 27 does not protrude backwards more than necessary.

  On the other hand, as shown in FIGS. 3 and 4, the resistance portion 21 side of the resistance rod 4 is inserted into the lower end side of the mounting sleeve 16 and the handle frame 14, and the middle portion of the resistance rod 4 is directed forward. Is inserted into the notch 16c, and the support pin 30 is inserted into the support hole 16b (hereinafter referred to as a molding switching hole) on the lower side of the mounting sleeve 16 so that the molded portion 23 side of the resistance bar 4 is inserted. It can be attached to the fuselage side 1. In other words, the support pin 30 abuts and supports the lower surface side of the middle portion of the resistance bar 4. Further, in this state, the resistance bar 4 is switched to the molding posture by mounting the molding unit 22 that forms the ridges on the field in the molding part 34 on the lower side of the resistance bar 4.

  According to the forming posture, the forming portion 23 is inclined rearward downward with respect to the resistance portion 21 at a position close to the tilling rotary 3 just behind the tilling rotary 3, and the forming portion 23 has a forming unit. 22 is attached (see FIG. 4). At this time, since the tail wheel 27 is disposed on the rear side of the molding unit 22 brought forward, the tail wheel 27 is disposed at substantially the same position as the resistance portion 21 in the resistance posture. 33 and the tail wheel 27 are arranged compactly on the rear side of the tillage rotary 3.

  As described above, when the operator switches to the forming posture and grips the left and right grips 18 of the handle 2 to drive the tillage rotary 3 and drive the machine 1 forward, the earth pressure from the tillage soil or the like The portion of the molded sheet 33 to which the seat frame 31 is not applied (specifically, the left and right edges) is deformed so as to bend toward the rear side to form a ridge portion, and the lower end of the seat frame 31 described above By restricting the deformation of the lower end side of the center of the molded sheet 33 by the side restricting portion 36, the bottom surface of the trough portion of the straw in the field is recessed in a flat shape. By sequentially performing this in adjacent rows, a plurality of ridges in which peaks and valleys are alternately adjacent are formed in the field.

1 Airframe 2 Handle (steering handle)
3 Tillage rotary 4 Resistance rod 16 Mounting sleeve 21 Resistance portion 23 Molding portion 27 Tail wheel
33 Molded sheet

Claims (2)

A machine body (1) having a steering handle (2) extended rearward, a tilling rotary (3) supported rotatably on the lower side of the machine body (1), and a rear end side of the machine body (1) In the walking type management machine provided with the resistance rod (4) detachably attached to the molding part, the molding part (23) is provided on the rear side of the tillage rotary (3) and provided with a molding sheet (33) for molding the basket. The resistance rod (4) bent in the shape of an S when viewed from the side is formed near one end, and the other end of the resistance rod (4) is inserted into the soil so that the aircraft can travel. A resistance portion (21) to be stabilized is formed, and the molding portion (23) is removably inserted into the mounting sleeve (16) and fixed, so that the resistance portion (21) is located directly behind the tilling rotary (3). Inclined backward at a position away from the tillage rotary (3) While the resistance rod (4) is switched to the resistance posture, the resistance portion (21) is removably inserted into the mounting sleeve (16) and fixed, so that the molding portion (23) is attached to the tillage rotary (3). A walking-type management machine that switches the resistance rod (4) to a molding posture inclined backward downward at a position close to the tillage rotary (3) on the rear side .   The walking type management machine according to claim 1, wherein a wheel (27) positioned on the rear side of the molded sheet (33) in a molding posture is provided in the middle portion of the resistance rod (4).

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