JP4036674B2 - Transplanter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a transplanter configured to support a seedling platform that is laterally reciprocated and laterally fed by an apron provided therebelow.
[0002]
[Prior art]
Conventionally, transplanting machines such as rice transplanters have been known to transplant seedlings that have been sent from the seedling platform, which is laterally reciprocated laterally, onto the apron to the field while scraping them with a planter having planting claws. It has been.
And the said seedling mounting stand is supported by the resin-made slide piece (sliding piece) attached to the lower part on the said apron so that left-right reciprocation is possible.
[0003]
However, the apron adopts a pultruded aluminum body in consideration of the weight reduction and molding cost of the airframe, and muddy water, pebbles, etc. adhere to the apron during the transplanting operation and are not excluded. Since the apron itself is a soft material, the sliding surface of the apron with the slide piece is likely to be damaged, thereby increasing the lateral feed resistance of the seedling platform and constituting the lateral feed mechanism. There was a problem of damaging the shaft.
[0004]
[Problems to be solved by the invention]
Therefore, it has been proposed that the sliding surface of the apron and the slide piece is provided with a plate-like wear-resistant member so as to suppress damage to the sliding surface. The structure is such that the wear-resistant member is riveted to the apron, and its positioning is difficult, and when replacing the wear-resistant member for maintenance, etc., the rivet is There was a problem in workability that had to be removed one by one.
[0005]
[Means for Solving the Problems]
The present invention was devised for the purpose of solving the above-described problems, and an apron comprising an aluminum pultruded molded body having a slide piece fixed to a lower portion of a seedling table and provided below the seedling table. A transplanter in which a wear-resistant member made of a plate material is attached to the blade and the seedling stage is supported by an apron so as to be able to reciprocally move left and right through the sliding surface formed on the wear-resistant member and the slide piece. in, when mounting the wear member to said apron to form a groove-like凹嵌portion continuous in the longitudinal direction on top of the apron, the plurality of convex on the non-sliding surface side of the wear resistant member A plurality of convex portions are fitted to the groove-like concave fitting portion to position the apron and the wear-resistant member, and at the bottom of the apron groove-like concave fitting portion. the wear resistant member using the tapping screws It is a feature that you have configured to attach taken.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to the drawings. 1 to 3, reference numeral 1 denotes a riding type rice transplanter which is an example of a transplanter, and supports a traveling machine body 2 of the riding type rice transplanter 1 by a front wheel 3 and a rear wheel 4. A driver's seat 5 is placed in the upper rear part, and an operation panel 6 is provided in front of the driver's seat. A driver handle 7 is provided in the upper part of the operation panel 6, and a step 8 for forming an operation unit floor is provided below the operation handle. It has been.
A bonnet 9 that encloses an engine or the like (not shown) is provided on the front side of the traveling machine body 2.
Further, a planting work part 11 is mounted on the rear part of the traveling machine body 2 via a link mechanism 10 so as to be movable up and down. The planting work unit 11 includes a seedling stage 12 provided to be inclined forward, a plurality of planters 13 for planting seedlings held on the seedling stage 12, and the like below the planter 13. Is provided with a float 14 for leveling the planted rice field, but these basic configurations are all conventional.
[0008]
More specifically, an elevating holder 15 is attached to the rear end of the link mechanism 10, and a planting frame 16 extending in the width direction of the traveling machine body 2 is extended below the elevating holder 15. Yes.
A planter case 17 having a chain transmission mechanism for operating the planter 13 provided with planting claws 13a, 13a is attached to the planting frame 16 at predetermined intervals in the width direction of the traveling machine body 2.
By the way, in FIG. 3, what was shown with the arrow of the dashed-two dotted line is the scraping (planting) locus | trajectory of the said planting claw 13a.
In addition, a seedling stage 12 that is laterally reciprocated laterally is disposed above and below the planting frame 16 in a front, rear, and lower shape, and is connected to the lateral movement of the seedling stage 12 so that the planting claws 13a are provided. , 13a is scraped off and planted on the apron 18 from the seedling stage 12 to be planted in the field.
Reference numeral 19 denotes an attachment bracket for attaching the planter case 17 to the planting frame 16.
[0009]
As shown in FIG. 3, the substantially central upper portion of the planter case 17 described above is formed in a protruding shape having an inclined support surface 17a, and the apron 18 is laterally fixed to the inclined support surface 17a. A bracket 20 is attached.
The apron 18 is a pultruded body made of aluminum, and the apron 18 is formed with a T-groove 18a perpendicular to the inclined support surface 17a of the planter case 17, and a bolt is formed in the T-groove 18a. The apron 18 is fixed by lock nuts 23 and 24 so that the apron 18 is brought into pressure contact with the bracket 20 through a compression spring 22.
Then, the scraping amount adjusting lever (not shown) is operated stepwise to move the apron 18 up and down along the inclined support surface 17a so that the scraping amount of the seedling by the planting claws 13a can be adjusted. is there.
[0010]
In addition, in the lower part on the back side of the seedling stage 12, a substantially L-shaped support member 25 is integrally attached to the seedling stage 12 in a side view, and a plurality of sections each having a substantially concave section downward are provided. A resin slide piece (sliding piece) 26 is attached by bolts 27 and nuts 28.
As shown in FIGS. 3 to 5, a wear-resistant member 29 made of a hard plate material such as stainless steel having an L-shaped cross section is provided on the apron 18 in the width direction of the seedling platform 12. Are divided and installed in multiple pieces.
More specifically, the wear-resistant member 29 attached to the upper part of the apron 18 is formed by sliding the two pieces (29, 26) formed in a state of being fitted in the concave part of the slide piece (sliding piece) 26. The surface (S) is configured so that the seedling stage 12 can be smoothly reciprocated horizontally from side to side.
[0011]
Next, an operation procedure for attaching the wear resistant member 29 to the apron 18 will be described below.
On the apron 18, a groove-like recess 18 b continuous in the longitudinal direction (the width direction of the seedling table 12) is formed, and on the non-sliding surface S 1 side of the wear resistant member 29. Are provided with a plurality of circular convex portions 29a to be fitted into the recessed portions 18b of the apron 18.
Then, by mounting the circular convex portion 29a of the wear-resistant member 29 on the recessed portion 18b of the apron 18, the positioning fitting portions 30 of the both 18 and 29 are formed, and then the wear-resistant property. A tapping screw 31 employed as a screwing member is screwed into a pilot hole drilled coaxially with the circular convex portion 29a of the member 29 and a pilot hole on the apron 18 side that is drilled in advance corresponding to the pilot hole. Accordingly, the wear-resistant member 29 is configured to be attached and fixed to the apron 18.
[0012]
That is, the positioning in the front-rear direction when attaching the wear resistant member 29 to the apron 18 is very easily performed by the positioning fitting portion 30... Configured between the apron 18 and the wear resistant member 29 described above. Moreover, when it is necessary to remove the wear-resistant member 29 for maintenance or the like, it is only necessary to loosen and remove the tapping screw 31 that is a screwing member, so that compared to the conventional riveting configuration, The wear-resistant member 29 can be attached and detached in a short time.
[0014]
In addition, as shown in FIG. 4, the shape of the sliding surface S side (back side) of the circular convex portion 29a formed on the non-sliding surface S1 side on the wear-resistant member 29 side is opposite to the circular concave portion 29b. Since the head 31a of the tapping screw 31 is accommodated in the circular recess 29b, the head of the tapping screw 31 is placed on the sliding surface S of the slide piece (sliding piece) 26 and the wear-resistant member 29. 31a does not protrude, and the circular recess 29b also acts as a grease reservoir for grease applied to the sliding surfaces of the slide piece (sliding piece) 26 and the wear-resistant member 29. The early grease breakage due to repeated reciprocating left and right reciprocating lateral feeds of the seedling mounting table 12 is less likely to occur, and thereby the left and right reciprocating horizontal feeds of the seedling mounting table 12 are performed smoothly.
[0015]
【The invention's effect】
According to the present invention configured as described above, the slide piece 26 is fixed to the lower portion of the seedling table 12, and the apron 18 made of an aluminum pultruded product provided below the seedling table 12 is made of a plate material. A transplantation in which the wearable member 29 is attached and the seedling stage 12 is supported by the apron 18 so as to be able to reciprocally move left and right through the sliding surface S formed on the wear resistant member 29 and the slide piece 26. in machine, non-sliding surface of the Upon mounting the wear resistant member 29 in the apron 18, a groove-like凹嵌portion 18b continuous longitudinally upper portion of the apron 18, the wear resistant member 29 A plurality of convex portions 29a are provided on the S1 side, and the plurality of convex portions 29a are fitted to the groove-shaped concave fitting portions 18b to position the apron 18 and the wear-resistant member 29, and Epro 18 By thus constructed attach preparative said wear resistant member 29 by using tapping screws 31 to the bottom of the groove-like凹嵌portion 18b of the front and rear direction when mounting the wear resistant member 29 in the apron 18 When the wear-resistant member 29 needs to be removed for maintenance or the like, it is only necessary to loosen and remove the tapping screw 31 that is a screwing member. The wear-resistant member 29 can be attached and detached in a short time compared to the stopper configuration.
[0016]
The front SL that without the screw member 31 on the sliding surface of the sliding piece (sliding piece) 26 and wear member 29 protrudes, whereby the smooth lateral reciprocating transverse fed by said seedling mounting base 12 The
[Brief description of the drawings]
FIG. 1 is an overall side view of a riding type rice transplanter.
FIG. 2 is a side view of a planting work unit.
FIG. 3 is a side view showing an apron attached state.
FIG. 4A is a plan view showing an attached state of an apron and an abrasion-resistant member.
(B) It is sectional drawing same as the above.
FIG. 5 is a perspective view showing a procedure for attaching the wear-resistant member to the apron.
[Explanation of symbols]
12 Seedling stage 18 Apron 18b Recessed portion 18c Recessed portion 26 Slide piece 29 Wear resistant member 29a Convex portion 30 Fitting portion 31 Screwing member S Sliding surface S1 Non-sliding surface

Claims (1)

The slide piece (26) is fixed to the lower part of the seedling stage (12), and the apron (18) made of an aluminum pultruded body provided below the seedling stage (12) has a wear resistance made of a plate material . Attaching the member (29), the seedling stage (12) can be reciprocally moved laterally through the wear-resistant member (29) and the sliding surface (S) formed on the slide piece (26). in transplantation machine supported by the apron (18) to, when mounting the wear-resistant member (29) to said apron (18), groove-like凹嵌part continuing to the upper in a longitudinal direction of the apron (18) ( 18b), a plurality of convex portions (29a) are provided on the non-sliding surface (S1) side of the wear resistant member (29) , and a plurality of convex portions are provided on the groove-shaped concave fitting portion (18b). Jo portion (29a) and fitted, and abrasion resistance apron (18) Together form a positioning of the timber (29), said apron (18) groove-like in the bottom of the凹嵌portion (18b) self-tapping screws (31) such that the add preparative abrasion resistant member (29) with the A transplanter characterized by comprising.

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