JP2005104414A - Riding type rice transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a footstep body for getting on and off on the inclined side from interfering with an adjacent seedling to exert a bad influence such as disturbing the transplanted attitude of the seedling by securing the minimum ground clearance. <P>SOLUTION: In this riding type rice transplanter, a driving part is provided on a machine frame, and a step forming body is stretched from the driving part, thereby allowing a user to go on and off the driving part through the step forming body. The base end part of the footstep body for getting on and off is fitted to the outside part of the step forming body, and the footstep part for getting on and off is freely changed in position between the working position of disposing the distal end part under the step forming body and the storing position of disposing the distal end part above the step forming body. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a riding rice transplanter.

  Conventionally, as one form of riding rice transplanter, a driving part is provided on the machine frame, a step part forming body is stretched on the driving part, and the driving part is boarded and exited through the step part forming body. (For example, refer to Patent Document 1).

A stepping body is suspended from a boarding body for getting on and off, and the user can easily get on and off the driving part via the stepping part forming body by putting a foot on the footing body for boarding and alighting.
Japanese Patent Laid-Open No. 11-18520

  However, since the above-mentioned footrest for getting on and off projects outwardly at a lower position than the step portion forming body, the left and right widths of the aircraft are widened accordingly, and when storing in the hangar, There is a problem in that a wasteful space is taken up when transporting on a loading platform.

  In addition, when planting in Fukada, if the aircraft inclines, the inclining footrest on the inclined side may interfere with adjacent seedlings and adversely affect the planting posture of the seedlings. There is.

  Therefore, in the present invention, a riding part transplanter provided with a driving part on the machine body frame, a step part forming body is stretched on the operating part, and the driving part is boarded and exited through the step part forming body. In this case, the base end portion of the landing footing body is attached to the outer side portion of the step portion forming body. The present invention provides a riding rice transplanter characterized in that the position can be changed between a storage position and an upper position of the formed body.

  The present invention is also characterized by the following configuration.

  (1) A footrest for getting on / off is pivotally supported by a step portion forming body, the tip end is rotated between a use position and a storage position, and the position can be freely changed. The position fixing elastic body is interposed between the body and the step portion forming body, and the landing footrest body can be fixed to the use position and the storage position by the same position fixing elastic body.

  (2) A rotation fulcrum is provided below the step portion forming body, and the base end portion of the landing body for getting on and off is pivotally supported on the rotation fulcrum.

  (3) The landing footrest body is constructed by attaching the base end portion of the rotation support arm to the rotation fulcrum, and attaching the footrest main body to the distal end portion of the rotation support arm. At the position, the middle part is bent to bypass the outer edge from the lower side of the step part forming body and upward, and the tip part is in contact with the upper surface of the step part forming body to restrict the rotation. A stopper piece was formed.

  (4) The footrest main body should not cover the entire net-like part formed on the step part forming body from the upper side at the storage position.

  (1) In the present invention according to claim 1, an operating part is provided on the machine body frame, a step part forming body is stretched on the operating part, and the driving part is boarded / exited through the step part forming body. In the riding rice transplanter configured as described above, the base end portion of the landing footing body is attached to the outer side portion of the step portion forming body, and the landing foot landing body has a use position in which the distal end portion is disposed below the step portion forming body. The position can be freely changed between the storage position where the tip portion is arranged above the step portion forming body.

  In this way, when getting on and off the driving part, by placing the boarding body for getting on and off at the use position, it is possible to easily get on and off by putting the foot on the footing body for boarding and getting off.

  After getting on and off, the left and right widths of the airframe can be made compact by placing the footing body for getting on and off at the storage position, so when storing it in the hangar or loading it on the truck bed and transporting it In this case, it is possible to prevent the boarding body for getting on and off from uselessly taking up space.

  Moreover, when planting in Fukada, even if the aircraft tilts, the landing footrest is stored above the step part formation body, so the minimum ground clearance can be secured. As a result, there is no adverse effect such as that the inclined landing footing body interferes with adjacent seedlings and disturbs the seedling planting posture.

  (2) In the present invention as set forth in claim 2, the position of the footrest for getting on and off is changed by pivotally supporting the base end portion on the step portion forming body and rotating the tip end portion between the use position and the storage position. The position fixing elastic body is interposed between the stepping body for stepping on and off and the step forming body. It can be fixed.

  In this way, since the platform anchoring body can be fixed to the use position and the storage position by the position fixing elastic body, it is easy to change the position of the platform landing body without using a tool. In addition, the position of the footrest for getting on and off can be surely changed.

  Moreover, even when the landing footing body interferes with protrusions such as ridges and stones, the impact force received by the landing footing body can be absorbed by the elastic force of the position fixing elastic body. It is possible to prevent the footrest body from being damaged.

  (3) In this invention of Claim 3, the rotation fulcrum is provided under the step part formation body, and the base end part of the footrest body for boarding / alighting is pivotally supported by the rotation fulcrum.

  In this way, since the rotation fulcrum pivotally supporting the base end portion of the boarding body for getting on and off is provided below the step part forming body, the foot is placed on the footing body for getting on and off to the step part forming body. When getting on and off, the rotation fulcrum does not interfere with getting on and off and does not cause a trip. As a result, it is possible to satisfactorily ensure safety when the operator gets on and off.

  (4) In the present invention as set forth in claim 4, the landing footrest body is constructed by attaching the base end portion of the rotation support arm to the rotation fulcrum and attaching the footrest main body to the distal end portion of the rotation support arm. The pivot support arm has a bent shape in which the middle part of the pivoting portion bypasses the outer edge from the lower side of the step part forming body to the upper side at the storage position, and the tip part is formed on the upper surface of the step part forming body. A stopper piece that abuts and whose rotation is restricted is formed.

  In this way, a stopper piece is formed at the tip of the rotation support arm, and the stopper piece abuts against the upper surface of the step portion forming body so that the rotation is restricted. It is possible to reliably perform the rotation restriction of the boarding / resting body without providing the door. As a result, the number of parts can be reduced, and manufacturing can be performed at low cost.

  (5) In the present invention described in claim 5, the footrest main body does not cover the entire net-like portion formed on the step portion forming body from above at the storage position.

  In this way, even when the footrest main body is placed in the storage position, it is possible to drop mud etc. through the mesh part of the step part forming body, and to ensure a good anti-slip function by the mesh part. Can do. As a result, it is possible to ensure safety when getting on and off the stepped portion forming body.

  A shown in FIGS. 1 and 2 is a riding rice transplanter according to the present invention. The riding rice transplanter A connects a planting part 3 to a rear part of a traveling part 1 via a lifting link mechanism 2 so as to be raised and lowered. ing.

  As shown in FIGS. 1 and 2, the traveling unit 1 is provided with a prime mover unit 5 on the front side and a driving unit 6 at a rear position of the prime mover unit 5 on the fuselage frame 4. 4, a transmission case 7 is provided in the middle, a pair of left and right front axle cases 8, 8 are linked to the left and right sides of the transmission case 7, and the front axle cases 8, 8 are connected to the front ends. The front wheels 9, 9 are interlocked and connected via axles 9a, 9a, while the front end of the front / rear extension support case 10 is connected to the rear part of the transmission case 7, and the rear axle case is connected to the rear end part of the front / rear extension support case 10 The rear wheels 13 and 13 are interlocked and connected to the left and right end portions of the rear axle case 12 via the rear axles 13a and 13a. Reference numeral 14 denotes a preliminary seedling stage support frame, and 15 denotes a preliminary seedling stage.

  As shown in FIG. 3, the body frame 4 includes a pair of left and right main frame forming pieces 20 and 20 extending in the front-rear direction, and a front portal type that is connected to the rear end portions of the main frame forming pieces 20 and 20. The rear frame forming piece 21, a pair of left and right front and rear extension pieces 22 and 22 formed by extending from the upper part of the rear frame forming piece 21 to the front, and horizontally extending between the front and rear extension pieces 22 and 22 The left and right extension pieces 23 formed by extending in the left-right direction, and the rear end portions are connected to the left and right end portions of the left and right extension pieces 23, and are extended forward along the main frame forming pieces 20, 20. And subframe forming pieces 24, 24 formed in this manner. 25 is a side connecting frame forming piece, and 26 is a rear connecting frame forming piece.

  As shown in FIGS. 1 and 2, the prime mover unit 5 covers an engine (not shown) mounted on the front portion of the machine body frame 4 with a bonnet 30.

  As shown in FIGS. 1 and 2, the driving unit 6 includes a steering column 31 connected to the rear edge of the bonnet 30 on the body frame 4, and a steering post 32 erected in the steering column 31. A steering wheel 34 is attached via a wheel support shaft 33, and a driver's seat 48 is disposed behind the steering wheel 34.

  Further, a step portion forming body 35 is stretched on the machine body frame 4, and the step portion forming body 35 includes left and right front step portion forming pieces 36, 36 disposed on the left and right sides of the bonnet 30. A central step portion forming piece 37 formed by extending rearward from the rear edge of both left and right front step portion forming pieces 36 and 36 and disposed between the steering column 31 and the driver's seat 48. A rising wall forming piece 38 formed by rising upward from the rear edge of the central step part forming piece 37, and a left and right rear step part forming piece 39 formed by extending backward from the rising wall forming piece 38, 39 and a rearmost step portion forming piece 40 disposed at a rear position of the left and right rear step portion forming pieces 39, 39.

  In addition, as a part of the above-described step part forming body 35, the auxiliary step part forming pieces 41 and 41 are connected to the left and right outer end parts of the central step part forming piece 37 so as to project outward, respectively. Rear auxiliary step portion forming pieces 42, 42 are continuously extended outwardly from the outer end portions of the left and right rear step portion forming pieces 39, 39.

  Here, as shown in FIGS. 3 to 7, the auxiliary step portion forming piece 41 is formed by extending a pair of front and rear step portion supporting arms 43 and 43 outward from the subframe forming piece 24 to support both step portions. A rectangular plate-shaped auxiliary step piece 44 is installed between the arms 43, 43, and a reinforcing and supporting frame piece 45 is continuously provided along the front edge and the outer edge of the auxiliary step piece 44, The rear end portion 45a of the reinforcing and supporting frame piece 45 is extended upward and is connected to the front end portion of the rear auxiliary step portion forming piece 42 described above. Reference numeral 61 denotes a reinforcing connection piece that is horizontally mounted between the base end portions of the step portion support arms 43 and 43.

  The auxiliary step main piece 44 is formed with mesh portions 46 and 47 at the front and rear portions, and passes through each mesh portion 46 and 47 by passing the anti-slip function of the operator and mud etc. downward when getting on and off. It has a pass / drop function.

  Further, the pair of front and rear step part support arms 43, 43 project the front end parts 43a, 43a outward and downward from the above-described reinforcement / support frame piece 45, and the both front end parts 43a, 43a are footrests for getting on and off. 50 is installed.

  That is, as shown in FIG. 4 to FIG. The base end portions of the pair of front and rear rotation support arms 52, 52 are attached via the foot, and the footrest main body 53 is attached to the distal ends of the both rotation support arms 52, 52.

  Each of the rotation support arms 52, 52 is formed in a “<” shape in front view or rear view, and is rotatable up and down around the pivots 51, 51. When the upper step piece 44 is turned upward, the bent shape extends from the lower side of the auxiliary step piece 44 to the upper side by detouring the outer edge, and the tip portions 52b and 52b are formed on the upper surface of the auxiliary step piece 44. Stopper pieces 52c and 52c are formed which come into contact with each other via a footrest main body 53 to be described later and whose rotation is restricted.

  The footrest main body 53 is formed by a pair of front and rear arm connecting pieces 54 and 54 extending in the vertical direction, and a main footing piece 55 erected between the distal ends of both arm connecting pieces 54 and 54. The base end portions of the pair of front and rear arm connecting pieces 54 and 54 are attached to the front end portions 52b and 52b of the moving support arms 52 and 52 via mounting bolts 56 and 56, respectively. 57 is an anti-slip and mud removing hole.

  In this way, as shown in FIGS. 6 and 7, the boarding foot 50 for getting on and off is used at the position where the footing piece 55 is disposed below the auxiliary step piece 44 around the pivots 51 and 51 (i.e. ) And the storage position (b) in which the footrest main piece 55 is disposed above the auxiliary step main piece 44.

  In addition, a spring locking pin 58 extending in the front-rear direction is placed between the base end portions of the pair of front and rear rotation support arms 52, 52, while extending in the front-rear direction in the middle of the lower surface of the auxiliary step piece 44. A spring locking piece 59 is provided, and a tension spring 60 as an elastic body for position fixing is interposed between the spring locking piece 59 and the spring locking pin 58, and the tension spring 60 is used as a footrest for getting on and off. The body 50 can be fixed to the use position and the storage position.

  That is, as shown in FIG. 7, the tension spring 60 has a lower end of the spring locking piece 59 and the center of the spring locking pin 58 when the landing footrest body 50 is disposed at the use position (A). An imaginary line L1 that connects the lower end of the spring locking piece 59 and the center of the pivot 51 is positioned below the virtual reference line Lo, and is provided with tensile elasticity in a direction that fixes the landing footrest body 50 to the use position. I'm trying to help.

  On the other hand, as shown in FIG. 7, the tension spring 60 has a lower end of the spring locking piece 59 and the center of the spring locking pin 58 when the landing footing body 50 is disposed at the storage position (b). The imaginary line L1 that connects the lower end of the spring locking piece 59 and the center of the pivot 51 is positioned above the virtual reference line Lo, and is provided with tensile elasticity in a direction to fix the footrest body 50 for getting on and off at the storage position. I'm trying to help.

  Therefore, when changing the position of the boarding footing body 50, the position of the boarding footing body 50 can be changed easily and reliably without using a tool.

  Moreover, even when the landing footing body 50 interferes with protrusions such as ridges and stones, the impact force received by the landing footing body 50 can be absorbed by the elastic force of the tension spring 60. It is possible to prevent the footrest body 50 from being damaged.

  The embodiment of the present invention is configured as described above, and when getting on and off the driving unit 6, the boarding body 50 for getting on and off is arranged at the use position (A), so You can easily get on and off the footrest body 50.

  In addition, after getting on and off, the left and right width of the fuselage can be made compact by placing the landing footing body 50 in the storage position (b), so it can be loaded into the hangar or loaded onto the truck bed. Thus, it is possible to prevent the landing footrest body 50 from taking up space when transported.

  Moreover, when planting in Fukada, even when the aircraft tilts, the landing footrest 50 is stored above the auxiliary step main piece 44, so that the minimum ground clearance is ensured. As a result, the inclined landing footrest 50 does not interfere with adjacent seedlings, and the planting posture of seedlings is not adversely affected.

  Furthermore, since the pivots 51 and 51 that pivotally support the base end portion of the landing body 50 for getting on and off are provided below the auxiliary step piece 44, the auxiliary step book is provided by putting a foot on the landing body 50 for getting on and off. When getting on and off the piece 44, the pivots 51 and 51 do not interfere with getting on and off and do not cause a trip. As a result, it is possible to satisfactorily ensure safety when the operator gets on and off.

  Also, stopper pieces 52c, 52c are formed at the tip ends of the rotation support arms 52, 52, and the stopper pieces 52c, 52c form part of the auxiliary step portion forming piece 41 via the arm connecting pieces 54, 54. Since the rotation is restricted by abutting against the upper end surface of the reinforcing and supporting frame piece 45 to be performed, it is possible to reliably regulate the rotation of the footrest body 50 for getting on and off without providing a separate stopper member. . As a result, the number of parts can be reduced, and manufacturing can be performed at low cost.

  The footrest main body 53 does not cover the entire mesh portions 46 and 47 formed on the auxiliary step main piece 44 at the storage position (b) from above.

  Thus, even when the footrest main body 53 is disposed in the storage position (b), the mud etc. can be dropped through the mesh portions 46, 47 of the auxiliary step main piece 44, and each mesh portion 46, The anti-slip function by 47 can be secured satisfactorily. As a result, it is possible to ensure safety when getting on and off the auxiliary step main piece 44.

  In this embodiment, the boarding footing body 50 for getting on and off is attached to the outer side of the auxiliary step main piece 44. However, the mounting position of the footing body 50 for getting on and off is not limited to this, and FIG. As shown, it can also be attached to the front of the auxiliary step piece 44.

  That is, the footrest stays 65, 65 protrude from the lower front part of the auxiliary step main piece 44 toward the front outer side lower than the reinforcing and supporting frame piece 45, and the footrest stays 50, 65 are placed on the footrest stays 65, 65. Is attached.

  In this way, the position between the use position (A) where the footrest body 50 for getting on and off is arranged in front of the auxiliary step piece 44 and the storage position (B) arranged above the auxiliary step piece 44 is positioned. It can be changed freely.

The side view of the riding rice transplanter which concerns on this invention. The top view of the passenger rice transplanter. The perspective view of a step part formation body. Side surface explanatory drawing of the footrest body for boarding / alighting. Plane explanatory drawing of the foot board for boarding / alighting. Front explanatory drawing of the footrest body for boarding / alighting. Position change explanatory drawing of the footrest body for boarding / alighting. Plane explanatory drawing of the footrest body for boarding / alighting as other embodiment.

Explanation of symbols

A Passenger rice transplanter 1 Traveling part 2 Lifting link mechanism 3 Planting part 4 Airframe frame 5 Motor part 6 Driving part 7 Mission case 8 Front axle case

Claims (5)

In the riding rice transplanter provided with a driving part on the machine body frame, a step part forming body is stretched on the driving part, and the driving part is boarded and exited through the step part forming body,
Attach the base end of the landing footing body to the outer side of the step portion forming body, and the landing footing body has a use position where the tip portion is disposed below the step portion forming body, and the tip portion is the step portion forming body. A riding rice transplanter characterized in that the position can be freely changed between the storage position and the storage position disposed above the top.   The getting-on / off foot body pivotally supports the base end portion on the step portion forming body, and the tip end portion is rotated between the use position and the storage position so that the position can be freely changed. The position fixing elastic body is interposed between the part forming body and the landing footrest body can be fixed to the use position and the storage position by the position fixing elastic body, respectively. The riding rice transplanter according to 1.   The riding rice transplanter according to claim 2, wherein a rotation fulcrum is provided below the step portion forming body, and a base end portion of the landing body for landing is pivotally supported on the rotation fulcrum.   The landing body for getting on and off is constructed by attaching the base end portion of the rotation support arm to the rotation fulcrum and attaching the footrest main body to the distal end portion of the rotation support arm, and the rotation support arm is in the storage position. The middle part has a bent shape that bypasses the outer edge from the lower side of the step part forming body to the upper side, and a stopper piece that is in contact with the upper surface of the step part forming body and whose rotation is restricted is provided at the tip part. The riding rice transplanter according to claim 3, which is formed.   The riding rice transplanter according to any one of claims 1 to 4, wherein the footrest main body is configured not to cover the entire net-like portion formed on the step portion forming body from above at the storage position.

Images