JPH1189336A - Step structure of sulky rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject structure capable of preventing wheels from a derailment, aiming at the improvement of the working efficiency on a step, and also dealing with the seedling transplanting device for multiple rows by linking supplemental steps at left and right both sides of the step equipped at a traveling machine body. SOLUTION: This objective step structure for a sulky rice planter is provided by linking each supplemental step 26 formed at an almost same front to rear length with a step 13 and also formed with a see through hole, at both left and right sides of a step equipped at a traveling machine body 1. Also, the above supplemental step 26 is made to have a divided structure constituted by plural board like members 29, 30 simultaneously installed in the front and rear directions, and the part of the plural board like members 29, 30 can be formed to have a same shape. Further, the above supplemental step 26 can be formed as capable of being used by showing both surface and reverse sides.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a step structure of a riding type rice transplanter.

[0002]

2. Description of the Related Art Conventionally, in a step structure of a riding type rice transplanter, as disclosed in, for example, Japanese Patent Application Laid-Open No. 9-28131, a traveling machine is designed to allow the traveling body to get on and off from the front. Steps for getting on and off are arranged to fit within the tread width of the front wheels, and the rear fender is connected to the rear part of the traveling aircraft by widening the rear fender so as to cover above the rear wheels. A replenishing step for facilitating a replenishing operation for a seedling planting device or the like is formed. In addition, in the above-mentioned prior art, by forming the step for getting on and off so as to fit within the tread width of the front wheel, for example,
In the case of running on a step board used when loading / unloading a truck bed or entering / leaving a field, etc., the front wheels can be easily seen even from the control section, and traveling of the step board etc. The positional relationship between the front wheel and the rear wheel having the same tread width as the front wheel with respect to the road surface can be easily grasped, so that it is possible to prevent the inconvenience that the wheel is departed from the traveling road surface. .

[0003]

However, according to the above prior art, the step for getting on and off is formed so as to fit within the tread width of the front wheel. When the vehicle is equipped, the traveling route is considerably narrowed, so that it is difficult to get on and off from the front of the traveling body while transporting heavy supplies such as seedlings. Therefore, it is conceivable to form the step for getting on and off so as to protrude from the tread width of the front wheel, but in this case, the front wheel is covered with the step for getting on and off and cannot be seen from the control unit, The rear wheel is covered by a rear fender formed wide to have a replenishing step, and cannot be seen from the control unit. The positional relationship of the wheels with respect to the traveling road surface such as a plate cannot be grasped from the control unit, and there is a possibility that the wheels may be disengaged from the traveling road surface. In recent years, seedling replenishment operations to the seedling planting equipment have been frequently performed with the increase in the planting speed, and since the number of seedling planting apparatuses has been increased, replenishment has been attempted. It is also considered that the work steps are extended to improve the workability and to be able to cope with the multi-row of the seedling planting apparatus.

[0004] An object of the present invention is to make it easy to get on and off from the front of a traveling body while transporting heavy supplements such as seedlings even when a spare seedling mounting table is provided at the lateral outer end of the step for getting on and off. It is possible to prevent inconvenience of the wheels coming off the running road surface such as footboards, while improving the workability on steps, and also to increase the number of seedling planting devices. It is an object of the present invention to provide a stepping structure of a riding type rice transplanter which can be used.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, in a step structure of a riding type rice transplanter, right and left outer sides of a step mounted on a traveling body are provided. Each of the auxiliary steps is formed to have a length substantially corresponding to the front and rear lengths of the above-mentioned steps, and is formed with a transparent hole.

According to the first aspect of the present invention, the length of the steps mounted on the traveling body is substantially the same as the front-rear length, that is, the steps for boarding and dismounting mounted on the traveling body in a state of being connected in the front-rear direction. The auxiliary step formed into a length approximately equal to the overall length of the supply step and the supply step is connected to the left and right outer sides of the step, so that the boarding step, the boarding step, and the supply step can be performed. Since each is in a widened state, seedling replenishment from the spare seedling mounting table to the seedling planting device, and seedling replenishment to the left and right end portions of the seedling planting device configured for multi-row planting, The replenishment work such as can be easily performed.
In addition, even if a spare seedling mounting table is provided at the lateral outer end of the widened step for getting on and off, that is, the front lateral outer end of the auxiliary step, traveling while transporting heavy supplies such as seedlings is carried out. It becomes easy to get on and off from the front of the aircraft.

Further, since the auxiliary step is formed with a see-through hole, the front and rear wheels can be easily viewed from the control unit while the step for getting on and off and the step for replenishing are widened. Accordingly, for example, when the rice transplanter is run on a step board used when loading / unloading a truck bed or when entering / leaving a field, a traveling road surface such as a step board is used. , The positional relationship between the front wheel and the rear wheel with respect to the vehicle can be easily grasped, so that it is possible to prevent the inconvenience of the wheels being removed from the traveling road surface.

[Effect] Therefore, even when a spare seedling mounting table is provided at the lateral outer end of the step for getting on and off, getting on and off from the front of the traveling body while transporting heavy supplies such as seedlings can be easily performed. In addition to preventing inconvenience of the wheels coming off the running surface such as a step board, improving workability on steps, and responding to multi-row seedling planting equipment. The present invention has provided a step structure of a riding type rice transplanter which can be used.

According to the second aspect of the present invention,
2. The invention according to claim 1, wherein the auxiliary step has a divided structure composed of a plurality of plate members arranged in the front-rear direction, and some of the plurality of plate members have the same shape. Formed.

According to the second aspect of the present invention, since the auxiliary step has a divided structure composed of a plurality of plate-like members, small and lightweight plate-like members which are easy to handle are arranged side by side. This makes it possible to configure auxiliary steps. That is, as compared with a case where the auxiliary step is formed as an integral structure having a length substantially corresponding to the length of the steps of the traveling body, it is possible to obtain an advantage in terms of manufacturing.
In addition, since a part of the plurality of plate members is formed in the same shape, the cost required for manufacturing the plate member can be suppressed, thereby reducing the manufacturing cost required for the auxiliary step. Can be planned.

[Effect] Accordingly, it is possible to provide a step structure of a riding type rice transplanter capable of facilitating production and reducing production cost.

According to the third aspect of the present invention,
In the first or second aspect of the present invention, the auxiliary step is formed so that both front and back surfaces can be used.

According to the third aspect of the present invention, since the left and right auxiliary steps connected to the left and right outer sides of the steps mounted on the traveling body have a symmetrical shape, the auxiliary steps can be used on both front and back surfaces. By forming two auxiliary steps having the same shape, the left and right auxiliary steps can be manufactured. That is, since the auxiliary steps are not formed so as to be usable on both the front and back sides, simplification of manufacturing and reduction of manufacturing cost can be achieved as compared with the case where the left and right auxiliary steps are manufactured independently.

[Effect] Accordingly, a step structure of a riding type rice transplanter which can further facilitate the production and further reduce the production cost can be provided.

According to the fourth aspect of the present invention,
In the invention according to any one of claims 1 to 3, the auxiliary step extends to a position below a spare seedling table mounted on a front portion of the traveling body, and extends from a support frame of the auxiliary step. A column for the spare seedling mounting stand was erected.

[Operation] According to the fourth aspect of the present invention, the auxiliary step extends to below the spare seedling mounting table mounted on the front part of the traveling body, so that the passenger gets on and off from the front part of the traveling body. At this time, since the foot can be stepped under the spare seedling mounting table, it is easier to get on and off the traveling body from the front. In addition, since the support for the spare seedling mounting stand is erected from the support frame of the auxiliary step with high strength, it is compared with, for example, the case where the support for the spare seedling support is erected from the step surface of the auxiliary step. Thus, the support strength of the spare seedling mounting table can be increased.

[Effect] Accordingly, there is provided a stepping structure of a riding type rice transplanter capable of further facilitating getting on and off from a front portion of a traveling machine body and improving supporting strength of a spare seedling mounting table. I got it.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an overall side view of a riding type rice transplanter.
Shows the entire plane of the riding rice transplanter,
The rice transplanter includes a riding traveling machine 1, a six-row seedling planting device 3 connected to the rear of the traveling machine 1 via a lifting link mechanism 2, and a six-row planting mounted on the rear of the traveling machine 1. It is configured such that up to six rows of planting can be performed by the fertilizer application device 4 and the like. The traveling body 1 includes a body frame 5, an engine 6 mounted on a front part, a belt-type continuously variable transmission 7 and a gear-type transmission 8 provided on a front part,
The engine 6 includes a pair of left and right front wheels 9, a pair of right and left rear wheels 10, a steering wheel 11, a driver's seat 12, and a step 13 extending between the front and rear of the body.
Is transmitted to the front wheel 9, the rear wheel 10, the seedling planting device 3, and the fertilizer device 4 via the belt-type continuously variable transmission 7 and the gear-type transmission 8, and the like. The seedling planting device 3 includes a feed case 14, a transmission case 15,
The planting mechanism 16, the seedling mounting table 17, the leveling float 18, and the like are provided, and the planting operation is performed by transmitting the power from the traveling machine body 1 to the feed case 14. The fertilizer applicator 4 includes a hopper 19 for storing fertilizer, a feeding mechanism 20 for feeding out fertilizer, a guide hose 21 for guiding fertilizer, a groove generator 22 for burying fertilizer, and an electric blower 23 for feeding fertilizer. The power from the traveling machine body 1 is transmitted to the feeding mechanism 20 and the electric blower 23 operates to perform the fertilizing operation.

As shown in FIGS. 1 to 8, step 13 comprises:
Step 1 for boarding and dismounting made of sheet metal disposed on the left and right of the front part of the traveling body 1 so as to be able to get on and off from the front part of the traveling body 1
3A, a boarding step 13B made of sheet metal that enables the traveling body 1 to get on and off from the left and right and forms a control area;
And a sheet metal supply step 13C formed by widening the left and right rear fenders 24 so as to enable the supply of seedlings from the traveling machine 1 to the seedling planting apparatus 3 and the supply of fertilizer to the fertilizer application apparatus 4. Are arranged side by side in the front-rear direction of the traveling body 1. The step 13A for getting on and off, the step 13B for boarding, and the step 13C for replenishment are supported by a support member 25 extending from the body frame 5.

On both left and right outer sides of the step 13, the length is substantially the same as the front and rear length of the step 13, and the rear part thereof rises rearward toward the upper end of the fertilizer device 4 and the seedling mounting table 17 at the rear upper side. An auxiliary step 26 formed to be inclined is connected. Each auxiliary step 26
A support frame 28 connected to the support member 25 of the body frame 5 and the connection fitting 27 of the step 13, a first plate-shaped member 29 disposed at the front of the support frame 28, and a first plate-shaped member in the support frame 28 It is constituted by three second plate-like members 30 arranged in parallel on the rear side of the member 29. That is, each of the auxiliary steps 26 has a divided structure in which the step portion 26A can be divided into four plate-like members 29 and 30 arranged in parallel in the front-rear direction. The support frame 28 includes a pipe frame 31 extending from the step 13A for getting on and off to the step 13C for replenishment, a connecting member 32 for connecting the pipe frame 31 to the supporting member 25 and the connecting fitting 27, and the like. The first plate-shaped member 29 is a resin molded product that has a stepped surface 29a on the front and back surfaces and is formed in a substantially trapezoidal lattice shape having a plurality of transparent holes 29b. The second plate-shaped member 30 is a resin molded product that has a stepped surface 30a on the front and back sides and is formed in a substantially rectangular shape in a lattice shape having a plurality of transparent holes 30b. At the front part of the pipe frame 31, a support fitting 34 for supporting the spare seedling mounting table 33 is fixed. The spare seedling mounting table 33 is composed of a pair of front and rear columns 35 connected to a support bracket 34, and three mounting tables 3 supported by the front and rear columns 35 at predetermined intervals in the vertical direction.
6. Of the front and rear support columns 35, the front support column 35 is formed in a straight line, and the rear support column 35 is formed in a bent shape in which the mounting table support portion 35A is displaced toward the inside of the machine.

As described above, in short, the length of the step 13 provided on the traveling body 1 is substantially the same as the length of the step 13 (the step 13A for getting on and off the vehicle, the step 13B for boarding, and the supply The auxiliary step 26 formed to have a length substantially equal to the length of the front and rear of the step 13C) is connected to both the left and right outer sides of the step 13, so that the step 13A for getting on and off, the step 13B for boarding, and the step 13C for replenishment are connected. The front and rear wheels 9,
The seedling replenishment is performed while moving to the seedling planting device 3 from the spare seedling mounting table 33 erected at the front lateral outer end of the auxiliary step 26 because the widened state protrudes from the tread width of 10. Work can be done easily and auxiliary step 2
6 makes it easy to get on and off from the front of the traveling machine 1 while transporting heavy supplements such as mat-shaped seedlings and bagged fertilizer while the spare seedling mounting table 33 is standing upright on the front lateral outer end of FIG. You can do it.

The auxiliary step 26 includes a plurality of see-through holes 2.
9b and 30b, the step 13A for getting on and off and the step 13C for replenishing are widened so as to cover above the front and rear wheels 9 and 10, but the front wheel 9 and the rear wheel 9 are still seated on the driver's seat 12. The wheel 10 can be easily seen, which allows, for example,
In the case of running on a step board used for loading / unloading a truck bed or entering / exiting a field, the positional relationship between the front wheel 9 and the rear wheel 10 with respect to a running road surface such as a step board can be easily determined. As a result, it is possible to prevent the inconvenience of the front and rear wheels 9, 10 coming off the traveling road surface.

That is, even when the spare seedling mounting table 33 is provided at the left and right outer ends of the front part of the body, the heavy body such as mat-shaped seedlings and bagged fertilizer is transported from the front part of the traveling body 1 while being transported. While being able to easily get on and off, it is possible to prevent the inconvenience of the front and rear wheels 9 and 10 coming off the running road surface such as a step board, and to improve the workability when performing the replenishment work on the step 13. It can be improved.

Further, since each auxiliary step 26 can be constituted by arranging small and lightweight plate-like members 29 and 30 which are easy to handle, the auxiliary step 26 is set to be approximately the front-rear length of the step 13 of the traveling body 1. This is advantageous in terms of manufacturing as compared with the case of an integral structure having a length extending over the entire length, and three out of the four plate-like members 29 and 30 in each auxiliary step 26 are used. Since the plate-shaped member 30 is formed in the same shape, the cost required for manufacturing the second plate-shaped member 30 can be suppressed, so that the manufacturing cost required for the auxiliary step 26 can be reduced. .

In addition, step surfaces 29a and 30a are formed on the front and back of each plate-like member 29 and 30, respectively, so that both front and back surfaces can be used.
Of the left and right auxiliary steps 26 having a symmetrical shape, the two step portions 26A having the same shape, that is, two first plates By manufacturing the second member 30 and the six second plate-like members 30, thereby facilitating the manufacture and manufacturing compared to the case where each of the left and right step portions 26 A is manufactured independently. The cost can be reduced.

That is, simplification of manufacturing and reduction of manufacturing cost can be effectively achieved.

Further, the rear support 35 of the spare seedling mounting table 33 is bent so that the mounting table support 35A is displaced toward the inside of the machine.
The supporting frame 35 of the auxiliary step 26 having a high strength is
8 and auxiliary step 2
6 can be extended below the preliminary seedling mounting table 33, so that the preliminary seedling mounting table 33 can be extended from the step surface 29a of the auxiliary step 26, for example. The support strength of the platform 33 can be increased, and when the user gets on and off from the front of the traveling machine 1, it is possible to step under the spare seedling mounting table 33. Getting on and off from is easier.

Furthermore, when the traveling body 1 is equipped with a seedling planting device for four-row planting, the step 13 of the traveling body 1 is performed.
By removing the auxiliary step 26 from, the traveling body 1 for four-row planting having a machine width suitable for the seedling planting apparatus for four-row plantation can be easily configured. In other words, since the traveling body 1 can be used irrespective of the number of planting lines of the seedling planting device 3, the production of rice transplanters having different number of planting lines can be facilitated and the production cost can be reduced. Can be greatly improved.

As shown in FIG. 9, the driver's seat 12 is mounted on a cover member 38 mounted and supported on a frame 37 erected from the rear of the body frame 5. Cover member 38
Is connected to the frame 37 via a waist-folding link mechanism 39 so as to be displaceable between an operation position for covering the frame 37 and a non-operation position spaced forward from the frame 37. That is, by displacing the cover member 38 from the working position to the non-working position, the driver seat 12 together with the cover member 38 can be displaced to the non-working position, so that the location of the frame 37 can be largely opened. This makes it possible to improve the workability when performing maintenance of various devices (not shown) disposed in the frame 37.

The reference numeral 40 shown in the drawing designates each auxiliary step 26 for facilitating getting on and off the traveling body 1 from left and right.
Are step steps provided at the lateral outer ends of the steps.

[Other Embodiments] Hereinafter, other embodiments of the present invention will be listed. The rice transplanter may not be equipped with the fertilizer application device 4, or may be one in which the fertilizer application device 4 is arranged at the rear of the seedling planting device 3. The support frame 28 of the auxiliary step 26 is
You may comprise so that division is possible similarly to A. The support frame 28 of the auxiliary step 26 is
Like A, both sides may be used. The auxiliary step 26 may be configured such that the front and back sides cannot be used. The number of divisions of the auxiliary step 26 can be variously changed, and the auxiliary step 26 may be configured to be indivisible. The shapes of the first plate-shaped member 29 and the second plate-shaped member 30 can be variously changed. The first plate-shaped member 29 and the second plate-shaped member 30 may be formed in the same shape. The first plate-like member 29 and the second plate-like member 30 may be made of sheet metal. The auxiliary step 26 may be configured so as not to extend below the spare seedling mounting table 33.

[Brief description of the drawings]

FIG. 1 is an overall side view of a riding rice transplanter equipped with auxiliary steps.

FIG. 2 is an overall plan view of a riding rice transplanter equipped with auxiliary steps.

FIG. 3 is a plan view showing a configuration of an auxiliary step.

FIG. 4 is a plan view showing the shape of a first plate-shaped member.

FIG. 5 is a plan view showing the shape of a second plate-shaped member.

FIG. 6 is a longitudinal rear view of the rear side of the auxiliary step, showing a configuration of the auxiliary step and a support structure.

FIG. 7 is a longitudinal rear view of the front side of the auxiliary step showing the configuration of the auxiliary step and the support structure.

FIG. 8 is a longitudinal rear view of an intermediate portion of the auxiliary step showing a configuration and a support structure of the auxiliary step.

FIG. 9 is a schematic side view of a main part showing a support structure for a driver seat and a cover member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Running body 13 Step 26 Auxiliary step 28 Support frame 29 Plate member (first plate member) 29b Transparent hole 30 Plate member (second plate member) 30b Transparent hole 33 Spare seedling mounting table 35 Support

Claims (4)

[Claims] 1. A riding type in which auxiliary steps each having a length substantially equal to the front-rear length of the step and formed with a transparent hole are connected to both left and right outer sides of the step mounted on the traveling body. Rice transplanter step structure. 2. The method according to claim 1, wherein the auxiliary step is a divided structure including a plurality of plate members arranged side by side in the front-rear direction, and a part of the plurality of plate members is formed in the same shape. The step structure of a riding type rice transplanter according to claim 1. 3. The step structure of a riding type rice transplanter according to claim 1, wherein the auxiliary step is formed so that both front and back sides can be used. 4. The auxiliary step extends to a position below a spare seedling table mounted on a front portion of the traveling body, and a support column of the spare seedling table is erected from a support frame of the auxiliary step. The step structure of a riding type rice transplanter according to any one of claims 1, 2, and 3.