JPH083233Y2 - Passenger rice transplanter engine frame structure - Google Patents

Description

[Technical Field of the Invention] [Technical Field of the Invention] The present invention relates to an engine frame structure applicable to a riding rice transplanter, and more specifically, a riding rice transplanter provided with a connecting member at a front portion of an engine frame supporting an engine in front of a fuselage. The engine frame structure of the machine.

[Prior art]

The riding rice transplanter has a structure in which the planting part is connected to the rear of the traveling machine body.This riding rice transplanter is equipped with a fertilizer applicator so that fertilizer can be applied at the same time when seedlings are planted in the planting part. There is. This fertilizer application is composed of fertilizer tanks arranged on both left and right sides, a fertilizer pump driven by a traveling machine body, a plurality of fertilizer nozzles for guiding fertilizer of the fertilizer pump between planting rows, and the like. The suction port of the fertilizer pump is connected to the suction hose, and the discharge port of the fertilizer pump and the fertilizer application nozzle are connected to each other by a plurality of connecting pipes.

Further, the passenger rice transplanter has an engine arranged in front of the body, and the engine is fixed on an engine frame protruding forward from the mission case.

The engine arranged on the engine frame is covered with a bonnet, and on both left and right sides of this bonnet, step plates communicating with a flat deck plate under the driver's seat are provided, and the fertilizer tank constituting the fertilizer application is A pair of left and right are disposed on the left and right outside of the engine and below the step plate.

Further, Japanese Utility Model Laid-Open Nos. 61-18632 and 61-193725 have proposed agricultural paddy work vehicles provided with fertilizer tanks on the left and right sides of the front upper surface of the machine body. In the work vehicle, a fertilizer tank is attached to the left and right of the upper surface of the step plate of a conventional paddy work vehicle in an exposed state, and the front portion of the fertilizer tank is arranged so as to project substantially near the front end of the bonnet. ing.

[Problems to be solved by the invention]

By the way, conventionally, it is known that a hitch with a U-shaped cross section or a guard protecting the front part of the fuselage is fixed to the front part of the engine frame. When rotating in the left-right direction with the side as a fulcrum, a connection hose for connecting both fertilizer tanks to each other to increase the fertilizer storage amount is arranged below the front part of the fertilizer tank, and this connection hose There is a problem in that the connecting hose itself is not protected by any means only by passing it laterally through the front portion of the engine frame that supports the engine frame, so that the connecting hose is easily damaged.

In addition, the fertilizer tanks installed on both the left and right sides of the engine frame are not guarded on the outside, so there is a problem that the fertilizer tank formed of synthetic resin or the like may come into contact with ridges or obstacles and be damaged. In terms of structure, there was a problem that the structure that supports the front side of the guard that protects the outer surface of the fertilizer tank becomes complicated.

Further, in the agricultural paddy work vehicles described in the above two publications, fertilizer tanks are arranged in an exposed state on both sides of the front part of the bonnet, and these fertilizer tanks are not protected by guard members at all. Similarly, the connection hose connecting both fertilizer tanks is also exposed.
Therefore, even in the inventions described in these publications, there is no suggestion of a means for effectively protecting the fertilizer tank and the connection hose formed of synthetic resin.

Further, in the conventional agricultural paddy work vehicle, the method of attaching the bonnet is complicated, and it has been impossible to open the upper part of the engine to simplify the maintenance of the engine and the like.

Therefore, the present invention was made in view of the above-mentioned conventional circumstances to solve the problem, and uses the front part of the engine frame to protect the connecting hose connecting the left and right fertilizer tanks on the front side. Moreover, the present invention is carried out for the purpose of providing an engine frame structure for a riding rice transplanter in which a guard protecting the outside of the fertilizer tank can be easily attached.

[Means for solving problems]

The present invention that achieves the above object is a riding rice transplanter in which fertilizer tanks under step plates are arranged on both left and right sides of an engine frame that supports an engine in the front of the fuselage. A connecting member connected to each other by a connecting hose and fixed to the front part of the frame surrounds the connecting hose, and the rear side is fixed to the body behind the engine frame and extends forward through the outer surface of each fertilizer tank. The front side of the guard is configured to be fixed laterally.

[Action]

Therefore, even for the riding rice transplanter J in which the fertilizer tanks 17 below the step plate 5 are arranged on the left and right sides of the engine frame 2 which supports the engine E in the front of the fuselage, it is fixed to the front part of the engine frame 2. The box-shaped connecting member 12 is used to surround the lateral connection hose 21 that connects the lower front portions of the fertilizer tanks 17 to each other, and at the same time, the rear side is fixed to the body behind the engine frame 2 and the fertilizer tank 17 The front side of the guard 30 extending forward through the outer surface is fixed laterally.

As a result, the box-shaped connecting member fixed to the front of the engine frame 2 is used to connect the left and right fertilizer tanks 17 on the front side without complicating the structure.
It is possible to prevent the damage of 21 and at the same time easily provide the guard 30 for preventing the damage of the fertilizer tank 17.

〔Example〕

Hereinafter, the drawings showing the present invention as an embodiment will be described.

As shown in FIGS. 7 to 8, the riding rice transplanter J has a structure in which a planting part (not shown) is connected to the rear of the traveling machine body K, and the mission case 1 is fixed to the traveling machine body K. The base end of the engine frame 2 extending forward is fixed to the movement case 1. An engine E located in front of the traveling machine body K is mounted above the engine frame 2, and an output pulley (not shown) fixed to an output shaft 3 of the engine E and an input supported by the above-mentioned mesh case. A V-belt (not shown) is wound between the shaft (not shown) and the fixed input shaft pulley (not shown), and the transmission case 1 is driven by the engine E.

The engine E is covered with the bonnet 4,
A pair of left and right step plates 5 provided on both left and right sides of the bonnet 4 are integrally connected and fixed to the bonnet 4. The pair of left and right step plates 5 are arranged behind the steering wheel 6. It is connected to a flat deck unit 9 formed below the seat 7.

As shown in FIGS. 1 and 2, the engine frame 2 is
Left and right side plates fixed to both left and right sides of the mission case 1.
2a, an upper plate 2 for connecting and fixing the upper parts of the left and right side plates 2a to each other
b, and the lower plate 2 for connecting and fixing the lower parts of the left and right side plates 2a to each other
It is configured in a box shape with c, and the rear end is fixed to the engine frame 2 above the engine frame 2, but only the front end is attached to the engine frame 2 via a pair of left and right anti-vibration rubbers 10. A fixed engine base 11 is provided,
The engine E is fixed to the engine base 11.

A connecting member 12 including a front wall 12a, an upper wall 12b, and a lower wall 12c and having a space N inside is fixed to the front portion of the engine frame 2. The connecting member 12 has an upper wall 12b. The bottom plate 12c is fixed to the tip of the upper plate 2b on the engine frame 2 side, and the bottom wall 12c is fixed to the tip of the lower wall 2c on the engine frame 2 side to form a box shape. The width B is wider than the width of the engine frame 2.

A pair of left and right brackets 13 having a vertical rotation fulcrum M of a fertilizer tank 17, which will be described later, and a horizontal rotation fulcrum P of the bonnet 4 are fixed above the upper wall 12b of the connecting member 12. That is, the bracket 13 is formed in a U-shape in a front view, and the bracket 13 is fixed to both left and right sides of the connecting member 12 and the stopper 14 located on the outer rear side is integrally formed. A fulcrum shaft 15 that projects outward and serves as a horizontal pivot fulcrum P of the bonnet 4 is fixed to the outer surface. Further, a vertical mounting hole 16 penetrating the upper wall of the bracket 13 and the upper wall 12B of the connecting member 12 is provided, and a fulcrum shaft 20 of a fertilizer tank 17, which will be described later, is fitted and inserted into the mounting hole 16 for vertical rotation. It is configured at the fulcrum M.

As shown in FIG. 5, fixed rods 19 extending from the front face to the rear through both left and right side faces are fixed to the front side of each fertilizer tank 17 formed of synthetic resin or the like, and the inside of the front side of each fixed rod 19 is fixed. A downward fulcrum shaft 20 is fixed to each of them. The fulcrum shafts 20 are rotatably fitted into the mounting holes 16 of the brackets 13 so that the fertilizer tanks 17 disposed on the left and right sides of the engine E are normally locked by locking members (not shown). It is locked below the step plate 5 at a position close to the engine E. Further, in the pair of left and right fertilizer tanks 17, the bottom portions on the front inside facing each other are connected to each other by the connection pipe 21.
The fertilizer tanks 17 are connected to each other and the amount of fertilizer stored in both fertilizer tanks 17 is increased.
Since the connection member 12 surrounds the front surface and the upper and lower surfaces, it is protected from being exposed from the front surface. A circular concave portion 22 for allowing the connecting pipe 21 to penetrate is provided at the tip of each of the side plates 2a constituting one engine frame 2.

Therefore, the lateral connection pipes 21 that connect the left and right fertilizer tanks 17 to each other are arranged in front of the engine frame 2, and the left and right fertilizer tanks 17 are centered around the front vertical rotation fulcrum M. Even in the structure of rotating, the connecting pipes 21 provided below the front portions of both fertilizer tanks 16 are connected to each other by the connecting member 12.
Can be arranged in the space N.

Further, as shown in FIG. 3, a pair of left and right swing arms 23, which rotate about the fulcrum shaft 15, are fixed to the front lower end of the bonnet 4 with the opposing width of the outer width of the bracket 13. The pair of right and left swing arms 23 facing each other
The front surface of the is connected and fixed by a front plate 23a.
The bonnet 4 is normally fixed to a closed position in a solid line by a locking member (not shown), but the locking of the locking member is released to an open position in a chain line around the fulcrum shaft 15 in the horizontal direction. It can be opened integrally with the step plate 5.

At the open position of the bonnet 4, the left and right fertilizer tanks can be opened to the outside by about 90 degrees around the fulcrum shaft 30 on the front side. It is possible to efficiently inspect and maintain the V-belt wound between the case 1 and the left and right fertilizer tanks 17. In this case, since the connecting hose 21 expands and contracts, the opening / closing operation of each fertilizer tank 17 can be smoothly performed. Further, the bonnet 4 is provided with a stop rod projecting below the fulcrum shaft 15 position of both swing arms 23.
Since 24 contacts step 14 of bracket 13, it can be held in the open position.

As shown in FIGS. 7 to 8, a suction hose 27 is provided between the discharge port 25 provided at the bottom of the fertilizer tank 17 on the right side and the suction port of the fertilizer pump 26 mounted on the machine below the deck 9. It is connected. The discharge side of the fertilizer pump 26 is composed of a plurality of screw pumps, and the plurality of discharge sides are connected to nozzles (not shown) via respective connecting pipes 29. The paste-like fertilizers respectively discharged from the respective nozzles are fertilized in the soil at the same time when the seedlings are planted between the seedling planting rows planted in the planting section.

Further, as shown in FIGS. 5 to 6, the above-mentioned connecting member
The front wall 12a and the lower wall 12c constituting 12 are used to laterally fix the front sides of the respective guards 30 that protect the outer sides of the left and right fertilizer tanks 17 in a plan view. That is, the front side of the guard 30 is laterally fixed to the front wall 12a and the bottom wall 12c of the connecting member 12 by fixing means such as mounting bolts.
The fertilizer tank is formed in a step shape that passes under the
It extends rearward in a shape substantially following the shape of the bottom plate of 17.

Then, by using the left and right guards 30 that protect the outer side of each fertilizer tank 17, a plurality of stages of auxiliary seedling mounts 34 are attached to the step board 5.
It can be supported on the left and right outer sides.

In other words, a bracket 31 protruding outward is fixed to the body behind the step plate 5 position to be opened and closed, and the lower end of a rear support column 32 standing upright is fixed to the bracket 31. The rear end of the guard 30 is connected and fixed to. The lower part of the front pillar 33, which is erected in front of the rear pillar 32, is fixed to the front side of the guard 30, and outside the both pillars 32, 33, a plurality of stages of auxiliary seedling mounts 34 are provided.
Are fixed respectively.

Therefore, the mat seedlings supplied to the seedling mounting table of the planting section are mounted on the auxiliary seedling mounting table 34 provided by using the guards 30 that protect the outer sides of the fertilizer tanks 17 on the left and right sides. Can be stored in storage.

[Effect of device]

The engine frame structure of the passenger rice transplanter according to the present invention is
Engine frame 2 supporting the engine E in front of the fuselage K
Step plates 5 are provided on both the left and right sides on the upper surface, fertilizer tanks 17 are arranged on the left and right below the front part of the step plate 5, and the side faces of the fertilizer tank 17 facing each other are connected to each other by a hose 21.
A connecting member 12 surrounding the connecting hose 21 at the front of the engine frame 2 and extending to protect the front and side portions of the fertilizer tank 17.
The front part of the connecting member 12 is fixed to both side surfaces of the connecting member 12, and the rear part of the connecting member 12 is fixed to the rear body K of the frame 2.
Since the fulcrum shafts 15 provided on both sides of the bonnet 4 are configured to pivotally support the front lower portion of the bonnet 4, the following effects can be obtained.

A) A connecting member 12 fixed to the front part of the engine frame can be used to surround and protect the connection hose 21 that connects the lower front parts of the two fertilizer tanks 17 to each other.

B) Protect the fertilizer tank 17 below the front of the step plate 5,
Further, the front part and the side part of the fertilizer tank 17 can be protected by the guard 30 arranged so as to surround the front part and the side part of the fertilizer tank 17, and the fertilizer tank 17 can be made of a synthetic resin tank at ease. Can be used.

C) Since the front lower part of the bonnet 4 is pivotally supported by using the fulcrum shafts 15 provided on both sides of the connecting member 12, the rear part of the bonnet 4 is raised to the front side to open the upper part of the engine E largely. Therefore, maintenance can be efficiently performed.

D) a connecting member 12 fixed to the front of the engine frame,
It is possible to provide a simple structure in which the fertilizer tank 17 and the connection hose 21 are surely protected by the guard 30 having one end fixed to the connecting member 12, while the front end of the bonnet 4 is pivotally supported.

[Brief description of drawings]

1 shows a side view of an engine frame, FIG. 2 a plan view of an engine frame, FIG. 3 a side view of a bonnet, FIG. 4 a front view of a bonnet, and FIG. 5 is a front view of the connecting member, FIG. 6 is a side view of the auxiliary seedling stand supported by the guard, FIG. 7 is a front plane part of the riding rice transplanter, and FIG. 8 is a front side view of the riding rice transplanter. Is. E ... Engine, 2 ... Engine frame, 4 ... Bonnet, 5 ... Step plate, 12 ... Connecting member, 12a ... Front wall, 12b ...
Upper wall, 12c ... Lower wall, 13 ... Space part, 17 ... Fertilizer tank, 21 ...
Connection hose, 30 ... Guard, J ... Passenger rice transplanter, K ... Traveling machine, P ... Horizontal pivot, M ... Vertical pivot, N ... Space section.

Claims (1)

[Scope of utility model registration request] 1. A step plate (5) is provided on both left and right sides of an upper surface of an engine frame (2) for supporting an engine (E) in front of an airframe (K), and fertilizers are provided on left and right below a front portion of the step plate (5). The fertilizer tank (1
The side faces facing each other of 7) are connected by a connecting hose (21), and a connecting member (12) is provided in the front part of the engine frame (2) so as to surround the connecting hose (21), and the fertilizer tank The front part of the card (30) extending so as to protect the front part and the side part of (17) is on both side surfaces of the connecting member (12), and the rear part is on the rear body (K) of the frame (2). An engine frame structure for a passenger rice transplanter, which is configured to be fixed to each other and to pivotally support the lower front portion of the bonnet (4) by fulcrum shafts (15) provided on both sides of the connecting member (12).