JPH0332988A - Powered agricultural machine - Google Patents

Abstract

PURPOSE:To facilitate inspection and so forth of the apparatuses at the front of a machine body by dividing the body into the front and rear parts along a separation surface established in front of a driver's seat and enabling removal of a front body which consists of a front cover and a passenger's floor from the machine body. CONSTITUTION:The body of a power-operated agricultural machine 40 is constituted of a passenger floor 41 formed on a flat surface, a stand type front cover 42 which protrudes from the passenger's floor 41 and covers the upper part of the front end of a machine body, and an engine cover part 43 which covers an engine and so forth. Moreover, a step 44 for getting on and off is formed at both the sides of the passenger floor 41, and also a driver's seat 50 is installed above the engine cover part 43, whereas the body 40 is divided into two of the front and rear parts 40a, 40b along a prescribed separation surface X-X. A front body 40a which consists of the front cover part 42 and the passenger's floor 41 is so constituted as to enable removal thereof from the machine body by moving them forward as one body.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application J] The present invention relates to a power agricultural machine to which a working machine part for rice planting or the like is attached and used.

[Conventional technology] The transmission case is located in front of the front wheel axle, the engine is located between the front and rear wheel axles, and a steering post with a steering wheel and meter panel attached to the top is erected at the front of the aircraft. On the other hand, there are powered agricultural machines with a pilot's seat located above the engine.

The body of this power agricultural machine includes a flat passenger floor, and a front cover portion is provided protruding from the floor to integrally cover the front part of the machine body and the steering post.

[Problems to be Solved by the Invention] By the way, when inspecting or repairing the transmission case, steering case, belt type transmission device, etc. housed in the front of the machine in the conventional power agricultural machine, it is necessary to Although the front part (bonnet) was opened, there was a problem in that it was not possible to reach deep inside the machine and the work could not be carried out properly.

[Means for Solving the Problems] In order to solve the above problems, the present invention has the following configuration.

That is, the power agricultural machine according to the present invention is equipped with a body having a flat passenger floor and a pilot's seat installed on the body behind the front wheel axle. The body is divided into front and rear parts along the plane, and the front part of the body is made up of a front cover part that covers the upper front part of the front wheel axle and a floor, and the front cover part and the floor are moved forward as one unit. Therefore, it is characterized in that it is configured to be removable from the aircraft body.

[Function] The body is divided into front and rear parts with the floor and front cover part integrated, and the front part of the body can be removed independently. Equipment can be easily inspected and repaired.

[Embodiment] Figures 1 to 6 show an embodiment of the present invention, and show a state in which a working machine part 3 for rice planting is attached to the rear of a power agricultural machine 2 and used as a riding rice transplanter 1. It's raining.

The power agricultural machine 2 has a mission case 5 and a differential case 9 integrated with the transmission case 5 at the front of the machine body, and left and right front axle cases 10 are protruded outward from both side surfaces of the differential case, and at the ends thereof. A front wheel support case 11.11 is vertically installed so as to be able to change direction, and left and right front wheels 12.12 are each pivotally supported at the lower end of the front wheel support case. A steering case 13 is provided at the front of the transmission case 5, and a steering shaft 13a projects upward from the steering case 13. A steering wheel 13b is attached to the upper end of the steering shaft 13a.

Further, the front end portion of the main frame 7 extending rearward is fixedly connected to the back surface portion of the differential case 9, and the rear case 14 is acid-etched at the rear end portion of the main frame. Cheno cases 15.15 are attached rearward to both left and right ends of the rear case, and left and right rear wheels 16.16 are each pivotally supported at the rear ends. The rear case 14 has the front wheel 1 when viewed from the side.
An engine base 19 is horizontally attached to the rear case, and an engine 20 is installed on the engine base 19.

The output shaft 22 of the engine is protruded forward, and its extension shaft 2
3 is provided in front of and passing above the mission case 5. As shown in FIGS. 3 and 4, this extension shaft 2
3 is provided with a mission input shaft 24 projecting forward from the mission case 5 and a counter shaft 25 that is approximately the same height as the input shaft. and is transmitted to the mission input shaft 24 by a belt. In other words, this belt type transmission gtA
are the extension shaft pulley 23a and the counter shaft pulley 25a.
One belt 27 is stretched between the two, and two belts 28 and 29 are stretched between the pulley 25a of the counter shaft and the pulley 24a of the transmission input shaft. The transmission mechanism from the counter shaft 25 to the mission input shaft 24 is configured as an auxiliary transmission/belt clutch, and a clutch driver tensions either bell (28, 29) with a tension pulley 30 to perform low or high speed transmission. and the state of
It is possible to switch to a clutch disengaged state where both clutches are loosened and transmission is stopped.

The power input from the mission input shaft 24 to the mission case 5 is taken out as a traveling system output and a work system output. The driving system output is divided into front wheel drive output and rear wheel drive output by the differential case 9, and the front wheel drive output is transmitted to the front wheels 12 via the transmission means in the front axle case 10 and front wheel support case 11, and the rear wheel drive output is is transmitted to the rear case 14 via the rear wheel transmission shaft 32, and is transmitted to the rear wheel 16 via the transmission means in the rear case and the Cheno case 15. On the other hand, the work system output is transmitted to the rear end of the machine via the work part transmission shaft 33, and from there
and is transmitted to the working machine section 3, which will be described later.

Body 40 to be placed on the chassis configured as above
consists of a flat passenger floor 41, a platform-shaped front cover part 42 that protrudes from the floor and covers the upper part of the front end of the aircraft, and an engine cover part 43 that covers the engine 20 and the like. Steps 44 and 44 for getting on and off, which are one step lower than the floor, are formed on both left and right sides of the floor section 41 located between the rear wheels 16 and the rear wheels 16. A steering post 46 containing the steering shirt 13a is projected upward from the rear of the front cover portion 42, and a steering post cover 47 is provided around it. An operation panel 48 to which various operation levers and meters are attached, and a headlight 49 are provided on the upper part of the steering post 46, and cables pass through the interior of the steering post cover 47. Further, a driver's seat 50 is installed on the engine cover portion 43, facing the steering wheel 13b and the operation panel 48. Furthermore, a belt cover 51 that covers the front and lower surfaces of the belt type transmission device A is provided below the front end of the body. Note that a notch 43a is formed at the rear of the engine cover part 43 in which a link device 60 (described later) is disposed, and the rear end portions 41a of the floor portion are sloped to avoid the rear wheels 16, 16. It is formed.

This body 40 has front and rear parts 40 along the separation plane x-X.
&, 40b, the 0 separation plane A surface that divides both sides into front and back,
It is composed of a front-back surface that connects the two. Therefore, the front body 40a has a generally concave shape in plan view, and can be removed from the fuselage by moving it forward with the fixing bolts etc. removed. When the front body 40a is removed from the aircraft, the sides of the Mitsushika case 5 are completely exposed, and the steering case 1 is completely exposed.
3 and the upper part of the belt type transmission device A is opened, so
These inspections.

Adjustments can be made easily. Depending on the case, the belt cover 51 may also be made detachable from the front body 40a.

Further, the steering post cover 47 is also divided into a front portion 47a and a rear portion 47b near the front-rear center. While the rear portion 47b is fixedly provided to the rear body 40b, the front portion 47a is detachably attached to the rear portion 47b.

The structure of the mounting section is as shown in FIG.
A plurality of bolt receivers 53.b along the edge. ... is provided, and a front portion 47 is provided corresponding to the bolt receiver.
A U-shaped notch 54° is formed at the edge of a, and when the edges of the image are overlapped, the port 55
By tightening the bolt receiver 53 to the bolt receiver 53, the two are integrated. Therefore, Porto 55. By loosening..., the front portion 47a can be pulled forward and removed, allowing easy inspection of the cables housed inside. In addition, the operation panel 48 and the headlight 4
9 are attached to the vks portion 47b side, so they remain as they are even if the front portion 47a is removed.

A link device 60 is provided at the rear of the power agricultural machine 2 to support the agricultural machine part 3 and to raise and lower it appropriately.

This link device 760 is connected to a support frame 6 fixed to the aircraft body.
1, an upper link 62 and a lower link 63 are rotatably supported, and a connecting frame 65 to which a working machine part is attached is attached to the rear ends of these upper and lower links. At the lower end of the connecting frame 65, a rolling shaft 66 that rotatably supports the working machine part is provided.
is installed protrudingly. By expanding and contracting the hydraulic cylinder 67 provided between the back surface of the rear case 14 and the link base 62a of the upper link, the connecting frame 65 can be moved up and down while being held in a substantially constant position, and the work that is attached to it can be done. Machine part 3 is raised and lowered.

The working machine part 3 is for rice planting, and includes a transmission case 70 on which power is transmitted from the agricultural machinery side through the PTO shaft 3 and 4;
A seedling stand 71 is installed above the transmission case so that the front side is on top, and a planting claw 72a for holding the seedlings is provided at the tip, which moves up and down while drawing a predetermined trajectory. The transmission case 70 is equipped with a planting rod 72 that takes out the seedlings on the seedling stand 71 one by one and plants them in the field.
A center float 75 and a pair of left and right floats 76 and 76, which support the body of the working machine portion on the paddy field surface, are pivotally mounted on the lower side so as to be vertically rotatable. center float 75
A rod 77 for vertical movement detection is attached to the front part of the float, and when the float moves up, the hydraulic cylinder 67 is extended and the work equipment part 3 is lifted up, and when the float moves down, the hydraulic cylinder 67 is contracted. The working machine part 3 is lowered by lowering the working machine part 3.

[Effects of the Invention] As explained above, the power agricultural machine according to the present invention is configured such that the floor and the front cover are integrated and the front part of the body can be removed independently.
It is now possible to easily inspect, repair, and adjust the devices and equipment housed in the front of the aircraft.

[Brief explanation of drawings]

Fig. 1 is a side view of a riding rice transplanter which is an example of the present invention;
3 and 4 are front and side views of essential parts, FIG. 5 is a plan view of the body, and FIG. 6 is an explanatory view of the steering post cover. 1... Riding rice transplanter, 2... Power agricultural machine, 3... Working machine part, 5... Mission case, 12... Front wheel,
13... Steering case, 16... Rear wheel,
20...engine, 40...body, 40a...
Front body part 40b... Rear body, 41... Floor, 42... Front cover part, 46... Steering post, 47... Steering post cover

Claims (1)

[Claims] (1) In a powered agricultural machine that has a body with a flat passenger floor and a cockpit installed on the body behind the front wheel axle, the body moves forward and backward along a separation plane installed in front of the cockpit. The front part of the body consists of the front cover section that covers the upper front part of the front wheel axle and the floor.
A power agricultural machine characterized in that the front cover part and the floor are configured to be removable from the machine body by integrally moving them forward.