JP2014108081A - Riding type rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem: attachment requires much labor because alignment is difficult, when a bonnet is attached to a floor step from above.SOLUTION: A notched part, the front of which is opened, is formed on a floor step 26; parallel guide grooves 31 (guide parts) are formed on right and left sides along right and left edges 30a of the notched part 30, respectively; and a bonnet 16 is attached in such a manner as to slide along the guide grooves 31 from the front of a traveling machine body 5. At least a rear part of the guide groove 31 comprises a groove 35 that is formed in a U-shape in a frontal view, and the bonnet 16 is fitted into the groove 35.

Description

  The present invention relates to a riding type rice transplanter that performs planting work and the like while traveling, and more particularly, to a bonnet mounting structure.

  In general, in an agricultural machine such as a rice transplanter, an engine is disposed in the front part of a traveling machine body, and auxiliary machines such as the engine and a radiator are protected by a bonnet. The bonnet is attached to and supported by a floor step that constitutes the work floor surface of the worker.

  2. Description of the Related Art Conventionally, a riding rice transplanter has been proposed in which a substantially circular opening for storing an engine or the like is formed in a floor step, and a plurality of slit-like engagement holes are formed at the edge of the opening (see Patent Document 1). In addition, a riding type rice transplanter has been proposed in which a mounting groove in which a lower end edge of a bonnet is fitted is formed on an outer peripheral portion of an opening (large diameter hole) of a floor step (see Patent Document 2).

JP 2004-147556 A JP 2006-254727 A

  However, in the above-mentioned Patent Documents 1 and 2, the bonnet is fitted into the engaging hole or the mounting groove from above with respect to the floor step. When the bonnet is attached, the engagement is formed on these floor steps. It was difficult to mount smoothly while aligning with the fitting hole or mounting groove.

  Then, this invention aims at providing the riding type rice transplanter which provided the guide part parallel to the left and right in a floor step, and slid along this guide part and attached the bonnet, and solved the subject mentioned above. .

The present invention includes an engine (29) placed in front of a traveling machine body (5), a bonnet (16) covering the engine (29), and a floor step where an operator walks on the traveling machine body (5). (26) In the riding type rice transplanter (1) comprising:
The floor step (26) has a notch (30) that is open at the front and accommodates the engine (29).
A left and right guide part (31) for guiding the bonnet (16) is formed along the left and right edges (30a) of the notch part (30).
It is characterized by that.

For example, referring to FIG. 5, at least the rear part of the guide part (31) is formed of a groove (35) formed in a square shape in front view,
The bonnet (16) is fitted into the groove (35) from the front of the traveling machine body (5).

For example, referring to FIG. 7 and FIG. 8, a heel-crossing handle (37) having left and right arms (37L, 37R) is attached to the front portion of the traveling machine body (5),
The saddle crossing handle (37) is configured such that the bonnet (16) can pass inside the left and right arms (37L, 37R).

  In addition, although the code | symbol in the said parenthesis is for contrast with drawing, it does not limit the structure of this invention at all.

  In the present invention according to claim 1, since the left and right guide portions are formed along the left and right edges of the notch portion of the floor step, when the bonnet is attached to and removed from the floor step, the bonnet is attached to the guide portion. Slided in the front-rear direction, it can be installed and removed smoothly and accurately.

  According to the second aspect of the present invention, at least the rear portion of the guide portion is formed of a groove formed in a square shape, and the bonnet is fitted into the groove from the front of the traveling machine body. By sliding the bonnet along the guide portion, the bonnet can be fitted into the groove so that the bonnet can be easily and accurately attached.

  According to the third aspect of the present invention, since the bonnet can pass inside the left and right arms of the overpass handle, when the bonnet is attached / removed from the front of the traveling body, the overturn handle is rotated and removed. The bonnet can be easily attached and removed.

The whole side view which shows the riding type rice transplanter to which this Embodiment is applied. The perspective view which shows the bonnet and the floor step. It is a figure which shows the inside of a bonnet and a floor step of the state which removed the bonnet, Comprising: (a) is the whole perspective view, (b) is the partially expanded view. It is a figure which shows a bonnet and a floor step, Comprising: (a) is a side view of a bonnet, (b) is the partially expanded view, (c) is a top view of a floor step, (d) is the partially enlarged view. It is a figure which shows the attachment to the floor step of a bonnet, Comprising: (a) is the side view, (b) is the AA sectional drawing, (c) is the partially expanded view. It is a figure which shows the attachment to the rear cover of a bonnet, Comprising: (a) is the side view, (b) is the BB sectional drawing, (c) is the partially expanded view. The side view which shows attachment of a bonnet. The plan view.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIG. 1, the riding type rice transplanter 1 includes a traveling machine body 5 supported by a pair of left and right front wheels 2 and a rear wheel 3, and a hydraulic cylinder 6 and a link mechanism 7 behind the traveling machine body 5. And a planting machine 9 that is connected so as to be movable up and down.

  The planting work machine 9 has a frame portion 10 supported by the link mechanism 7 so as to be rotatable (rollable) about a front-rear direction axis that is a traveling direction of the traveling machine body 5, and is not shown in the drawing. The control motor and the tilt sensor can maintain a horizontal posture even in a field with left-right tilt.

  The frame portion 10 supports a seedling placing table 11 so as to be able to reciprocate in a left-right reciprocating manner in a leaning posture in front and rear, and a mat seedling placed on the placing surface 11a. A vertical feed mechanism 12 that conveys the lower part of the paper is installed. The planting part 13 is integrally extended behind the said frame part 10, and when the transplanting rod 15 of this planting part 13 rotates, it is mounted in the above-mentioned mounting surface 11a and it is in a lower end. One seedling is scraped from the conveyed mat seedling and can be transplanted continuously in the field.

  In the traveling machine body 5, a bonnet 16 in which an engine or the like is accommodated is disposed at the front portion, and a driving operation unit 17 where an operator operates the riding type rice transplanter 1 is disposed at the rear portion. The driving operation unit 17 includes a driving seat 19 on which an operator is seated, a steering handle 20 that performs a turning operation of the traveling machine body 5, a main transmission lever 21 that performs forward / reverse switching, and the like. The front part of the foot when the operator is seated on the driver seat 19 is covered with the rear panel 22.

  As shown in FIG. 2, a front step 23 is disposed on the left and right sides of the bonnet 16, and a main step 25 constituting the floor surface of the driver seat 19 is disposed behind the front step 23. Then, the front step 23 and the main step 25 are integrally formed continuously to constitute a floor step 26 on which the worker walks on the traveling machine body 5.

  The bonnet 16 includes a main body portion 16a that covers the engine room and is narrowed toward the front, and a skirt portion 16b that extends in the lateral direction at the lateral lower end of the main body portion 16a. The main body portion 16a is formed with a through hole 28 penetrating a center mascot 27 for facilitating rice planting straight at the front end thereof, and at the upper end thereof, a knob bolt 24 (see FIG. A notch 16c for fixing together with the same reference. The skirt portion 16b forms a part of the front step 23, and in combination with the main body portion 16a being narrowed toward the front, the area of the front step 23 can be increased. It is possible to improve the ease of getting on and off from the front of the operator.

  Inside the bonnet 16, as shown in FIG. 3, an engine 29, a transmission case that shifts the power of the engine 29 and distributes the power to the front wheels 2, the rear wheels 3, and the planting machine 9, etc. Is arranged. A fuel tank 34 is disposed on the rear upper side of the engine 29 over the upper front portion of the rear panel 22, and an operation panel 38 is disposed on the rear side of the fuel tank 34.

  As shown in FIGS. 3 and 4, the floor step 26 has a notch 30 that is open at the front and accommodates the engine 29, and is provided on the left and right edges 30 a of the notch 30. A guide groove (guide portion) 31 that is parallel to the left and right is formed. A hole 32 is formed in the front end surface 26 a of the floor step 26 and below the left and right guide grooves 31, and the rear end surface of the skirt 16 b of the bonnet 16 is fitted in the hole 32. A mating protrusion 33 is integrally formed.

  As shown in FIGS. 3 to 5, the rear portion of the guide groove 31 is formed into a square-shaped groove (in a front view) by a rising surface 30b protruding upward from the edge 30a of the notch 30. Groove) 35. A rail portion 16 d formed in parallel with the left and right lower surfaces of the skirt portion 16 b is configured to be fitted into the hook-shaped groove 35 from the front of the traveling machine body 5. Preferably, the cross-shaped groove 35 is configured to gradually become narrower from the front to the rear, and the rail portion 16d is locked at the rear end portion of the cross-shaped groove 35. Become. Thereby, the bonnet 16 can be attached to the floor step 26 with a high holding force, and for example, chattering can be prevented from occurring during idling.

  As shown in FIG. 6, a claw 36 is integrally formed in the vicinity of the center of the rear end surface of the bonnet 16, and the claw 36 has a concave portion 36a whose rear is opened and a guide surface 36b. When the bonnet 16 is attached to the floor step 26 from the front of the traveling machine body 5, the guide surface 36b comes into contact with the front end 22a of the rear panel 22, and the front end 22a is received in the recess 36a. Yes.

  As shown in FIG. 7 and FIG. 8, a heel-crossing handle 37 is attached to the front portion of the traveling machine body 5 to prevent the traveling machine body 5 from being lifted when the craft is crossed. The left and right arms 37L and 37R are formed symmetrically. The left and right arms 37L and 37R are formed in a substantially U shape, and the space S formed inside the left and right arms 37L and 37R is larger than the height dimension and the left and right width dimension of the bonnet 16. The bonnet 16 can pass through the left and right arms 37L and 37R.

  Since this Embodiment consists of the above structures, an operator attaches the bonnet 16 of the riding type rice transplanter 1 by sliding from the front of the traveling machine body 5 to the rear. At that time, the operator first slides the bonnet 16 so as to pass through the insides of the left and right arms 37L, 37R of the heel-crossing handle 37 disposed at the front end of the traveling machine body 5, The bonnet 16 can be easily attached without moving and removing. Then, the rear end portion of the rail portion 16 d of the bonnet 16 is aligned with the front end portion of the guide groove 31 formed in the floor step 26.

  An operator slides and moves the rail portion 16d rearward along the guide groove 31, and engages and locks the rail portion 16d in the square groove 35 in the rear portion of the guide groove 31. At that time, the projecting portion 33 formed on the skirt portion 16b of the bonnet 16 is fitted into the hole 32 of the floor step 26, and the claw 36 guides the front end portion 22a of the rear panel 22 with the guide surface 36b. And received in the recess 36a.

  By forming the guide grooves 31 parallel to the left and right, the bonnet 16 can be smoothly mounted without protruding from the guide grooves 31 when the bonnet 16 is mounted, and the bonnet 16 is guided rearward along the guide grooves 31. The protrusion 33 and the claw 36 can be easily and accurately fitted into the hole 32 and the front end 22a of the rear panel 22, respectively.

  Then, by tightening the knob bolt 24 in the notch 16c formed at the upper end of the bonnet 16, the operation panel 38 and the bonnet 16 are fastened and fixed together, and the installation of the bonnet 16 is completed.

  When removing the bonnet 16, the bonnet 16 can be removed smoothly by performing the above-described bonnet 16 attachment process in reverse order, and the bonnet 16 can be easily attached and removed. The room can be easily maintained.

  In the above embodiment, a riding type rice transplanter has been described as an example, but the present invention may be applied to other agricultural machines.

DESCRIPTION OF SYMBOLS 1 Riding type rice transplanter 5 Traveling machine body 16 Bonnet 26 Floor step 29 Engine 30 Notch part 30a Edge 31 Guide part (guide groove)
35 groove
37 Overhead handle 37L, 37R Left and right arms

Claims (3)

In a riding type rice transplanter comprising an engine placed in front of a traveling machine body, a bonnet that covers the engine, and a floor step on which an operator walks on the traveling machine body,
The floor step has a notch in which the front is opened and the engine is accommodated,
Along the left and right edges of the cutout portion, left and right guide portions for guiding the bonnet are formed.
Riding type rice transplanter characterized by that. At least the rear part of the guide part is composed of a groove formed in a front-view shape.
The bonnet is fitted into the groove from the front of the traveling machine body.
The riding type rice transplanter according to claim 1. At the front part of the traveling machine body, a heel-crossing handle having left and right arms is attached,
The saddle crossing handle is configured to allow the bonnet to pass inside the left and right arms.
The riding type rice transplanter according to claim 1 or 2.

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