JP2008148574A - Farm implement and method for moving the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a farm implement which can reduce the labor loads of a worker, when caster-having stands are detached to move the farm implement, and to provide a method for moving the same. <P>SOLUTION: This tillage work machine, an example of the farm implement, has a pair of ground wheels 30 which are disposed on the insides of both the front side lateral end portions of a machine frame 3, are contacted with the field and moved in a state constantly keeping the working depth of a tillage rotor 11, when the tillage work machine is used to work, and are adjusted to a vertical position capable of supporting the working frame 3 to support the front side of the machine frame, when the tillage work machine is not used to work; and a pair of castor-having stands 50 disposed in the lateral end portions of the rear side of the machine frame 3. When the tillage work machine is not used to work, the front and rear sides of the machine frame 3 are supported with a pair of the ground wheels 30 and the castor-having stands 50, respectively, to support the machine frame 3 with the ground wheels 30 and the castor-having stands 50 in a movable state. The castor-having stands 50 can vertically be moved with hydraulic cylinders 57. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a farm work machine including a grounding wheel that moves in contact with a farm field while maintaining a working depth of the work body at the time of work, a stand with casters that supports the machine body, and a moving method thereof.

  Conventionally, this type of farm work machine 70 is described in, for example, Patent Document 1, and as shown in FIG. 7 (side view), a pair of grounding wheels 73 provided on the front side of the machine body 71 so that the vertical position can be adjusted. And what was provided with a pair of stands 75 with a caster so that attachment or detachment was possible was known.

  The caster stand 75 is configured to insert a connecting portion 76 of the caster stand 75 into a cylindrical holder 72 attached to the front side of the machine body 71, and to fix the stand in a pin insertion / removal hole provided in the connecting portion 76. The stand 75 with casters can be fixed at the use position Ps by inserting the set pin through the pin insertion hole 72a of the holder 72. When removing the stand 75 with casters, the stop pin is removed and the connecting portion 76 is pulled out of the holder 72.

JP 2001-269011 A

  In this conventional agricultural machine, when performing work, it is necessary to remove the heavy caster stand from the airframe and attach the caster stand to the airframe again after the work is completed. There was a problem that the work of attaching and detaching was troublesome.

  Also, when attaching / detaching the caster stand, in order to connect the pin insertion hole of the holder and the pin insertion / removal hole of the caster stand, hold the caster stand with one hand while holding the stop pin with the other hand. Since the work of inserting and removing is performed, the labor burden on the worker is large. In particular, in a large working machine, since the stand with casters is also enlarged and the weight increases, it is almost impossible to support the stand with casters with one hand, and it is difficult to attach and detach the stand with casters. In addition, when the work machine is not working, the grounding wheel provided on the machine is not used, and a caster with a caster stand is placed near the grounding wheel as a separate rotating body. It was not used effectively.

  The present invention has been made in view of such problems, and by effectively utilizing a grounding wheel at the time of non-working, when the agricultural work machine is moved away from the traveling machine body, the agricultural working machine is connected to the traveling machine body. It is an object of the present invention to provide an agricultural machine capable of reducing the labor burden of an operator for attaching and detaching a stand with casters so that the agricultural machine can be moved, and a moving method thereof. To do.

  In order to solve such a problem, the present invention has the following features. One of the features is that the farm machine is equipped with a grounding wheel that is provided so that the vertical position of the machine body can be adjusted and that touches the farm field while keeping the working depth of the work body provided at the machine body constant (for example, implementation) A method of moving the tilling work machine 1) in the embodiment, wherein the grounding wheel is adjusted to a vertical position where the machine body can be supported when not working, and is used as a part of the moving means.

  According to this feature, the structure of the moving means can be simplified and reduced in size and weight by adjusting the grounding wheel to a vertical position where the airframe can be supported when not working, and as a part of the moving means. . For this reason, when removing the farm work machine from the traveling machine body or when working with the farm machine connected to the traveling machine body, the work for attaching / detaching the moving means or the moving means is moved to the use position or the non-use position. It is possible to reduce the labor burden of the worker for moving the farm work machine.

  In addition, one of the features is that the machine body can be adjusted up and down so that it can travel in contact with the field while keeping the working depth of the work body provided on the machine body constant during work, and can support the machine body when not working. A grounding wheel that is adjusted to the vertical position and is used as a part of the moving means of the airframe is provided.

  According to this feature, the machine body can be adjusted in the vertical position, and it can be moved in contact with the field while maintaining the working depth of the work body provided on the machine body during work, and can be supported by the machine body when not working. By adjusting the position and providing a grounding wheel used as a part of the moving means of the airframe, the grounding wheel can also be used as the moving means. For this reason, the structure of the moving means can be simplified and reduced in size and weight, and the moving means can be attached / detached when the agricultural working machine is removed from the traveling machine body or when the agricultural working machine is connected to the traveling machine body. The work load of the operator can be reduced because the farm work machine is moved by moving the work to be performed and the moving means to the use position and the non-use position.

  Also, one of the features is that it is provided on the front side of the machine so that the vertical position can be adjusted. A pair of ground wheels for adjusting and supporting the front side of the aircraft and a stand with casters are provided on the rear side of the aircraft, and when not working, the front sides of the aircraft are supported by the pair of ground wheels and The airframe can be moved while supporting the rear side.

  According to this feature, the vehicle travels with a constant working depth during work, a pair of grounding wheels that support the front side of the aircraft when not working are provided on the front side of the aircraft, and a stand with casters is provided on the rear side of the aircraft, By using the pair of grounding wheels as a part of the moving means of the machine body when not working, the farm work machine can be movably supported by the pair of grounding wheels and the stand with casters. For this reason, it is not necessary for the stand with casters to have a structure that can support the entire body, and it is only necessary to support the rear side of the body, and the structure can be simplified and reduced in size and weight. As a result, when moving the agricultural machine away from the traveling machine, or when working with the agricultural machine connected to the traveling machine, the work for attaching / detaching the moving means or the moving means is moved to the use position or the non-use position. Since the agricultural machine is moved, the labor burden on the worker can be reduced.

  Furthermore, one of the features is that a stand with casters is provided so as to be detachable from the aircraft.

  According to this feature, by providing the stand with casters so as to be detachable from the aircraft, the stands with casters can be detached from the aircraft during work, and the weight of the aircraft can be reduced. You won't get in the way.

  Furthermore, one of the characteristics is that a stand with casters is provided so as to be movable up and down with respect to the aircraft.

  According to this feature, by providing the stand with casters so that it can move up and down with respect to the aircraft, the stand with casters can be moved to a non-use position only by moving the stand with casters upward during work, and when not working. By simply moving the stand with casters downward, the stand with casters moves to the use position. For this reason, the labor of the operator for attaching / detaching the stand with casters can be reduced.

  In addition, one of the characteristics is that at least one of the grounding wheel and the stand with casters is provided so as to be movable up and down by an actuator provided on the airframe.

  According to this feature, by providing at least one of the grounding wheel and the stand with casters so that it can be moved up and down by the actuator, the labor burden of the operator for moving the grounding wheel and the caster stand to the use position and the non-use position Can be reduced.

  According to the agricultural machine and the moving method according to the present invention, by having the above-described characteristics, the agricultural machine can be moved when the agricultural machine is moved away from the traveling machine by effectively utilizing the grounding wheel when not working. Thus, it is possible to provide a farm work machine capable of reducing the labor burden on the worker for attaching and detaching the stand with casters to make the farm work machine movable, and this moving method.

  Hereinafter, an embodiment of an agricultural machine according to the present invention will be described with reference to FIGS. In addition, this embodiment demonstrates the tilling work machine for tilling and crushed soil among farming machines as an example.

  As shown in FIG. 1 (side view), the tillage working machine 1 is a rotary tiller having a predetermined length in the width direction. This tilling work machine 1 is provided with a top mast 5 and a lower link connecting part 6 connected to a three-point link connecting mechanism (not shown) provided in the rear part of the traveling machine body 90 at the front part of the machine body 3, so The machine 1 is mounted on the rear part of the traveling machine body 90 so as to be movable up and down. Further, the power is transmitted from the PTO shaft of the traveling machine body 90 to the input shaft projecting forward from the gear box provided at the center in the width direction of the tilling work machine 1 through power transmission means such as a universal joint. It has become.

  A main frame 8 extends on both sides in the width direction from the gear box, and a chain transmission case 9 is suspended from an end portion of the left main frame 8 in the forward direction of the traveling machine body 90. A side frame is suspended from the end portion so as to face the chain transmission case 9. A transmission mechanism is provided in the left main frame 8 and the chain transmission case 9, and a tilling rotor 11 having a large number of tilling claws attached between the chain transmission case 9 and the lower end of the side frame is rotatably attached. ing. Then, the power transmitted to the input shaft is transmitted to the transmission mechanism in the main frame 8 and the chain transmission case 9 through the gear box, and the tilling rotor 11 is rotated in a predetermined direction.

  The upper side of the tilling rotor 11 is covered with a shield cover 13, and side cover 15 is provided at both ends of the shield cover 13 in the width direction. A front end portion of the apron 17 is pivotally supported at the rear end portion of the shield cover 13 so as to be rotatable in the vertical direction. The apron 17 extends rearward, and the tip of the apron 17 contacts the ground to level the cultivated soil surface. A compression rod 19 capable of adjusting the working pressure of the apron 17 is provided between the upper surface of the apron 17 and the main frame 8.

  Inside the both ends of the front end of the shield cover 13 in the width direction, the vehicle travels in contact with the farm field while keeping the working depth of the tilling rotor 11 constant during the work in accordance with the rear wheel width of the traveling machine body 90, and the machine body when not working. A pair of grounding wheels 30 that are adjusted to a vertical position that can support the front side of the body 3 and are used as part of the moving means of the body 3 are provided. The grounding ring 30 includes a grounding ring main body 30a formed in a substantially cylindrical shape, and a grounding part 30b formed by coating an elastic material such as rubber on the peripheral surface of the grounding ring main body 30a. The wheel arm 32 is rotatably attached to the lower end portion.

  The grounding ring 30 is inserted into a wheel insertion part 35 provided at the tip of a wheel bracket 34 that is fixed so as to protrude forward from the shield cover 13, and a wheel pin 32 is inserted into a wheel pin 32. The vertical position of the grounding wheel 30 can be manually adjusted by inserting it into one of the many insertion holes 32a provided in the wheel arm 32 through the insertion part 35. The position adjustment range of the contact ring 30 is between a lower limit position having a predetermined distance below the lower end position of the rotation trajectory of the tilling claw of the tilling rotor 11 and an upper limit position having a predetermined distance above the lower end position. By adjusting the vertical position of the ground ring 30 as described above, the working depth by the tilling rotor 11 can be set to a desired size, and a caster (described later) in which the ground ring 30 is moved to the use position when not working. It can be used as a part of moving means for supporting and moving the airframe 3 in combination with the attached stand 50.

  The grounding wheel 30 may be configured to be movable in the vertical direction by a hydraulic cylinder 37 as shown in FIG. 2A (front view) and FIG. 2B (side view). With the hydraulic cylinder 37 extending in the vertical direction, the bottom side end is fixed to the wheel insertion portion 35, and the rod side tip is connected to a protrusion 39 provided at the upper end of the wheel arm 32. When the hydraulic cylinder 37 is substantially fully contracted, the grounding wheel 30 moves to the lower limit position, and when the hydraulic cylinder 37 is substantially fully extended, the grounding wheel 30 is moved to the upper limit position and stored. The expansion / contraction operation of the hydraulic cylinder 37 can be controlled by operating an operation switch provided in the driver's seat of the traveling machine body 90, and the ground wheel is connected via a scale 36 provided in the wheel insertion portion 35. The vertical position of 30 can be visually confirmed. The hydraulic cylinder 37 is not limited to a hydraulic type, and may be an electric type or an electric motor.

  As shown in FIG. 3 (side view), when the tilling work machine 1 is attached to and detached from the traveling machine body 90, the posture of the rear part of the machine body is kept constant on each outer side of the side cover 15 on the rear side of the machine body. A pair of caster stands 50 are provided for this purpose. The caster stand 50 includes a connecting portion 51 extending in the vertical direction and a caster 53 attached to a lower portion of the connecting portion 51, and the connecting portion 51 of the caster stand 50 is attached to the side cover 15. The caster stand 50 can be pivoted in the vertical direction on the outer side in the width direction of the body 3. As shown in FIGS. 4A (rear view) to FIG. 4C (rear view), the caster stand 50 is attached to the hydraulic cylinder 57 provided on the support plate 55 and the rod side tip of the cylinder. The link mechanism 59 is rotated in the vertical direction so that the connecting portion 51 extends downward to support the rear portion of the machine body, and the connecting portion 51 extends upward to store the stand 50 with casters. It rotates between positions Pn.

  When the caster-equipped stand 50 moves to the use position Ps, the tilling work machine 1 is supported and moved together with the grounding wheel 30 moved to the lower limit position described above. That is, the grounding wheel 30 and the stand 50 with casters constitute moving means for moving the tilling work machine 1. The operation of the hydraulic cylinder 57 can be controlled by operating the operation switch provided in the driver seat of the traveling machine body 90 described above.

  The hydraulic cylinder 57 is not limited to a hydraulic type, and may be an electric type or an electric motor. Further, the caster stand 50 may be manually rotated up and down without providing an actuator such as a hydraulic cylinder on the caster stand 50. Furthermore, as shown in FIG. 5 (side view), the caster-equipped stand 50 is provided so as to be movable in the vertical direction along the direction in which the connecting portion 51 extends, and as shown in FIG. 6 (side view), the connecting portion The upper part of 51 'may be rotatably attached to the support plate 55, and the front end side may be provided to be switched between the use position Ps and the non-use position Pn by extending to the rear side of the machine body.

  Next, a moving method for moving the tillage working machine 1 in a state where it is separated from the traveling machine body 90 will be described. At the end of the tillage work, the tiller work machine 1 described above is connected to the traveling machine body 90, the castered stand 50 is in the non-use position Pn, and the grounding wheel is in the plowing depth position above the lower limit position. When the tilling work machine 1 is in such a state, the operator first operates the three-point link connecting mechanism while riding on the traveling machine body 90 to pull the tilling work machine 1 upward, and travels the traveling machine body 90. The tillage work machine 1 is moved to a desired place such as a barn. Then, the operator moves the stand 50 with casters from the non-use position Pn to the use position Ps, and further moves the grounding wheel 30 to the lower limit position, and then operates the three-point link coupling mechanism to The connection with the traveling machine body 90 is released. Then, the worker pushes the tilling work machine 1 supported by the stand 50 with casters and the grounding wheel 30 to move it to a desired location.

  Moreover, when connecting the tilling work machine 1 supported by the stand 50 with a caster and the grounding wheel 30 to the traveling machine body 90, first, the traveling machine body 90 and the tilling work machine 1 are brought close to each other. Then, the operator gets on the traveling machine body 90 and operates the three-point link coupling mechanism to couple the tilling work machine 1. Then, the worker moves the caster-equipped stand 50 at the use position Ps to the non-use position Pn, and pulls the grounding wheel 30 at the lower limit position upward so as to be in a non-grounding state. finish.

  In this way, the stand 50 with casters is used as a part of the moving means by moving the grounding wheel 30 to the lower limit position where the airframe 3 can be supported when not working, whereby the stand with casters 50 shown in FIG. Compared with 75, the structure is simplified and the size and weight can be reduced. For this reason, when the plowing work machine 1 is moved away from the traveling machine body 90 or when the plowing work machine 1 is connected to the traveling machine body 90 to perform work, the stand 50 with casters is used by the hydraulic cylinder at the use position Ps or not. By moving to the position Pn, or by moving the grounding wheel 30 up and down with the hydraulic cylinder at the lower limit position of the rotation trajectory of the tilling claw of the tilling rotor 11, the labor burden on the operator for moving the tilling work machine 1 is reduced. Can be reduced. Further, even when the vertical position of the stand 50 with casters and the grounding wheel 30 are manually adjusted, the structure of the stand 50 with casters is simplified and reduced in size and weight. The labor burden on the operator for moving to the position Pn can be reduced, and the same applies to the case where the caster-equipped stand 50 is manually attached to and detached from the support plate 55 of the machine body 3.

  In the present embodiment, the caster-equipped stand 50 is shown as a part of the moving means. However, the present invention is not limited to this, and a moving spherical support is used as the moving means. May be. Further, in the present embodiment, a pair of caster-equipped stands 50 are provided at both ends in the width direction on the rear side of the aircraft, but one stand 50 with casters may be provided near the center in the aircraft width direction on the rear side of the aircraft. Furthermore, in this embodiment, the grounding wheel 30 is provided on the front side of the machine body and the stand 50 with casters is provided on the rear side of the machine body. However, the stand 50 with casters may be provided on the front side of the machine body, and the grounding ring 30 may be provided on the rear side of the machine body. .

The side view of the tillage working machine concerning one embodiment of the present invention is shown. The side view of the tillage working machine provided with the grounding wheel which can adjust an up-and-down position with a hydraulic cylinder is shown. The side view of the tillage working machine provided with the stand with a caster which can be moved up and down with a hydraulic cylinder is shown. The rear view for demonstrating operation | movement of the stand with a caster which moves up and down with a hydraulic cylinder is shown. The side view of the tillage working machine provided with the stand with a caster for demonstrating the moving direction of the stand with a caster which moves up and down is shown. The side view of the other tillage working machine provided with the stand with a caster for demonstrating the moving direction of the stand with a caster which moves up and down is shown. The side view of the conventional agricultural working machine which provided the stand with a caster is shown.

Explanation of symbols

1 Tillage work machine (agricultural work machine)
3 Airframe 11 Tillage rotor (working body)
30 Ground ring 37, 57 Hydraulic cylinder (actuator)
50 Stand with casters (moving means)

Claims (6)

A method of moving a farm work machine provided with a grounding wheel that is provided so that the vertical position of the machine body can be adjusted and that contacts a farm field while maintaining a constant work depth by the work body provided in the machine body during work,
A method for moving a farm machine, wherein the grounding wheel is adjusted to a vertical position where the machine body can be supported when not working, and is used as a part of a moving unit.   The machine body is adjusted so that the vertical position can be adjusted.When working, the work body is fixed to the vertical position that can support the machine body when it is not working. A farm working machine comprising a grounding ring used as a part of the moving means of the machine body. It is provided on the front side of the machine body so that the vertical position can be adjusted, travels in contact with the field while keeping the work depth of the work body constant during work, and is adjusted to a vertical position where the machine body can be supported when not working. A pair of grounding wheels that support the front side;
A stand with casters is provided on the rear side of the aircraft,
An agricultural work machine characterized in that, when not in operation, the front side of the machine body is supported by the pair of grounding wheels and the rear side of the machine body is supported by the stand with casters so that the machine body can be moved.   The farm work machine according to claim 3, wherein the stand with casters is detachably attached to the machine body.   The farm work machine according to claim 3 or 4, wherein the stand with casters is provided so as to be vertically movable with respect to the machine body.   The agricultural working machine according to any one of claims 3 to 5, wherein at least one of the grounding wheel and the stand with casters is provided so as to be vertically movable by an actuator provided on the machine body.

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