JPH0410123Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to an agricultural machine in which a planting section, a fertilizing and sowing section, etc. are connected to the rear of the machine via a lifting device. This is related.

[Prior art]

Recently, the length of the seedling table in the planting section connected to the rear of the agricultural machine has been increased, and the number of pine seedlings that can be placed on the seedling table at the same time has increased from one to two. It has been increased to

For this reason, as the overall weight of the planting area increases, a head-up phenomenon occurs in which the front of the passenger aircraft lifts up using the grounding point of the rear wheels as a fulcrum. The distance from the front wheel axle to the front end of the aircraft (overhang amount) was increased by placing the engine muffler in front of the front-mounted engine, or by installing a battery in front of the engine. .

However, the conventional method described above has the disadvantage that the distance from the nose wheel axle to the front end of the aircraft becomes long, which impedes the ability of the aircraft to turn around the high ridge and requires a large amount of headland area for turning the aircraft. Ta.

[Purpose of invention]

The present invention was devised in order to eliminate the drawbacks of the prior art in view of the above-mentioned actual situation.By arranging the muffler and battery on both sides of the engine, the distance from the front wheel axle to the front end of the aircraft is minimized. The purpose of the present invention is to provide a body structure of an agricultural machine that can be used as an agricultural machine.

[Structure of the idea]

The body structure of the agricultural working machine according to the present invention that achieves the above object is such that the working part is connected to the rear of the machine body with the engine mounted on the front side via a lifting device. The engine is characterized in that steps are provided on both the left and right sides, and a muffler and a battery located on both the left and right sides of the engine are respectively disposed below the steps provided on both the left and right sides of the engine.

[Example] Hereinafter, drawings showing the present invention as an example will be described.

As shown in FIG. 1, a riding rice transplanter 1, which is an example of an agricultural working machine, is composed of a riding machine body 2 and a working part connected to the rear of the riding machine body 2, that is, a planting part 3. The passenger aircraft 2 is configured as follows.

That is, by winding the V-belt 8 between the input pulley 5 of the front transmission case 4 and the engine pulley 7 of the engine 6 disposed above the front, the front transmission case for front wheel drive 4 is designed to be driven by an engine 6 disposed at the upper front, and the upper parts of the front transmission case 4 and the rear transmission case 9 for rear wheel drive connect to the fuselage frames disposed on the left and right sides. 10, 10, and the lower part thereof is the transmission shaft cover 1.
1. The fuselage frame 10
, a front mounting plate 12 fixed to the front end face is fixed to the rear end of the front transmission case 4 with bolts, and a rear mounting plate 13 fixed to the rear end face is mounted above the rear transmission case 9. The transmission shaft cover 11 is fixed on both sides to the rear side of the front transmission case 4 and the bearing holder 22 on the front side of the rear transmission case 9 with bolts. ing.

Wheel cases 14, 14 are fixed to the left and right sides of the front transmission case 4, respectively, and a steering case 15 that rotates around a vertical axis is provided below each wheel case 14. case 15
A front wheel 17 is mounted on a front wheel axle 16 rotatably protruding from the front wheel.
is fixed, and the front wheels 17 are driven by the front transmission case 4, and each of the steering cases 15 can be steered about a longitudinal axis by turning a steering handle 18. It's getting old.

Rear wheels 21 are fixed to rear wheel shafts (not shown) that are rotatably supported on both left and right sides of the rear transmission case 9, and a front transmission case is disposed inside the transmission shaft cover 11. A transmission shaft 24 for driving a transmission mechanism in the rear transmission case 9 from the transmission mechanism in the rear transmission case 9 passes through the transmission mechanism.

Power take-off shaft 3 installed in the front transmission case 4
0 extends rearward through the upper part of the fuselage frame 10, and the rear thereof is supported by a bearing fixed to one of the left and right vertical frames 31, 31 fixed vertically on the fuselage frame 10. The left and right vertical frames 31, 31 are provided with an up-and-down link 34 of a lifting device 33 that lifts and lowers the planting section 3.
and left and right connecting plates 36, 36 whose base ends are pivotally connected to the left and right lower links 35, 35, respectively, and which are fixed downwardly to the middle part of the upper link 34.
A hydraulic expansion/contraction mechanism 37 is pivotally connected between the front transmission case 4 and the rear end of the front transmission case 4.
5 and 35 are pivotally connected to the vertical connection mechanism 25 to form a parallel link mechanism, and are moved up and down in parallel by a hydraulic expansion and contraction mechanism 37.

On the other hand, in the planting section 3, a plurality of floats 48 that slide on the rice field are arranged below, and a body 49 that also serves as a transmission case is disposed on the float 48, and above this body 49 there is a A seedling mounting table 50, which is inclined diagonally toward the seedling table 50, is arranged so as to move horizontally back and forth in the left and right direction, and this seedling placing table 50 has a length that allows two consecutive pine seedlings to be placed thereon.
Below this seedling mounting table 50 are a plurality of sets of seedling planting rods 5.
1 is placed in each. In addition, planting section 3
A transmission shaft 26 is provided for driving a transmission mechanism in the fuselage body 49 which also serves as a transmission case, and this transmission shaft 26 is connected to a power take-off shaft 30 on the passenger vehicle body 2 side by a universal joint provided at the tip. It is becoming more and more common.

In addition, approximately at the center of the rolling frame 44 that is fixed to the front of the fuselage 49 and extends laterally, there is a
By fixing the base of the rolling shaft 45 extending forward, the rolling shaft 45 is provided in a cantilevered manner, and the rolling shaft 45 fixed in a cantilevered manner to the rolling frame 44 further extends in the vertical direction. A guide frame 46 with a U-shaped cross section provided in
are connected by. And this planting section 3
is connected to the passenger vehicle body 2 by fitting its rolling shaft 45 into a bearing holder (not shown) provided in the connecting mechanism 25 on the passenger vehicle body 2 side.

Behind the control handle 18 is a driver's seat 2 located on vertical frames 31, 31 erected on the left and right sides.
In addition, a bonnet 28 covering the engine 6 is provided in front of the control handle 18, and steps for getting on and off the engine 6 extend from the left and right sides of the bonnet 28 to the left and right sides of the driver's seat 27. 29, 29 are provided respectively, and the steps 29 provided on the left and right sides of the bonnet 28 allow the operator to get on and off the passenger aircraft 2 by passing over the steps 29 without entering the planting field. It's getting old. Further, an engine frame 42 having a U-shaped longitudinal section and extending forward is fixed to the front end of the front transmission case 4, and the engine 6 is fixed above the engine frame 42.

A muffler 38 of the engine 6 located on the other side of the engine 6 and a battery 40 located on one side of the engine 6 are disposed below the steps 29 provided on both left and right sides of the bonnet 28. The muffler 38 is arranged on the other side of the engine 6 through a connecting pipe 39 fixed to the engine 6, and the battery 40 has its base end fixed to the side of the engine frame 42 and extends outward. The engine is housed on a mounting table 41 that protrudes from the rear, and this mounting table 41 is reinforced by a stay 43 that is fixed to its tip and to the side of the engine frame 42.

In this way, by arranging the muffler 38 and battery 40 in a well-balanced manner on the left and right sides of the engine 6, without disposing a battery, muffler, etc. in front of the engine 6, the distance from the front wheel axle 16 to the front end of the aircraft is improved. By minimizing the distance L, the turning ability of the passenger aircraft relative to the high ridge is improved, and the headland area can be reduced.

By positioning the muffler 38 and battery 40 below the steps 29 and 29, respectively, the muffler 38 and battery 40
The weight can be placed on the lower side of the vehicle body 2, thereby maintaining the longitudinal balance with the planting section 3 having a long seedling mounting table 5 connected to the rear of the vehicle body 2.

Furthermore, by arranging the muffler 38 and battery 40 below the step 29 instead of arranging them inside the bonnet 28 that covers the engine 6, the width of the bonnet 28 can be made narrower.
This allows the width of the steps 29, 29 for getting on and off, provided on both the left and right sides of the bonnet 28, to be widened.

In this embodiment, an example is shown in which the planting section is used as a working section connected to the rear of the aircraft body on which the engine is mounted, but similar effects can be expected even if the planting section is used as a fertilizing and sowing section.

[Effect of idea]

In short, the body structure of the agricultural machine according to the present invention is such that the engine is mounted at the front and the working part is connected to the rear of the machine via a lifting device. A step is provided on the engine, and the muffler and battery located on both the left and right sides of the engine are placed below the steps provided on both the left and right sides of the engine. Therefore, the battery, muffler, etc. are placed in front of the engine. By placing the engine in a well-balanced manner on both the left and right sides of the engine, the distance L from the front wheel axle to the front end of the aircraft is minimized, and the aircraft's ability to turn against high ridges is improved and the headland area for aircraft turning is minimized. In addition, by positioning the muffler and battery on the left and right sides of the engine below the steps, the weight of the muffler and battery is placed on the lower side of the aircraft. This makes it possible to maintain the longitudinal balance with the working section connected to the rear of the aircraft.

Furthermore, by arranging the muffler and battery below the step rather than in the bonnet that covers the engine, the width of the bonnet can be made narrower. The step width can be widened.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention,
Figure 1 is an overall side view of the riding rice transplanter, Figure 2 is a schematic plan view of the riding rice transplanter showing the main parts, Figure 3 is an enlarged side view of the main parts, and Figure 4 is an enlarged front view of the main parts. be. 1... Riding rice transplanter, 2... Riding aircraft, 3... Planting section, 6... Engine, 29... Step, 33
...lifting device, 38...muffler, 40...battery.

Claims (1)

[Scope of utility model registration request] In an agricultural machine in which a working part is connected to the rear of a machine body with an engine mounted in the front via a lifting device, steps are provided on both left and right sides of the engine mounted on the machine body, and steps are provided on both left and right sides of the engine. A fuselage structure of an agricultural machine, characterized in that a muffler and a battery are respectively arranged below the steps provided on both the left and right sides of the engine.