JPH0742265Y2 - Passenger rice transplanter engine frame structure - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to an engine frame structure applicable to a rice transplanter, and more specifically, to a connecting member fixed to a front portion of the engine frame, a turning fulcrum of a fertilizer tank and a bonnet. The present invention relates to an engine frame structure for a passenger rice transplanter.

[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. Liquid fertilizer called high viscosity is supplied.

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 disposed on the engine frame is covered with a bonnet, and on both left and right sides of this bonnet, step plates communicating with the flat deck plate under the driver's seat are provided, and the fertilizer tank that constitutes 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.

[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 the side is used as a fulcrum to rotate in the left-right direction, or the bonnet integrated with the step is turned to the front side with the front side as the fulcrum, the structure becomes extremely complicated if these two rotation fulcrums are provided separately. There was a problem.

Also, for fertilizer tanks, one with a large fertilizer storage capacity
A small-capacity product is divided into left and right parts that sandwich the engine without providing one.The fertilizer tanks that are divided into the left and right parts must be connected to each other by connecting pipes. When rotating with
It was necessary to ensure that this connecting pipe did not hinder the rotation of the fertilizer tank.

In view of the above-mentioned conventional circumstances, the present invention was devised to solve the problem, and has a simple structure using a connecting member fixed to the front part of the engine frame.
The purpose of the present invention is to provide an engine frame structure for a riding rice transplanter capable of rotating a fertilizer tank below a step and a bonnet including the step around a fulcrum on the front side.

[Means for solving problems]

To achieve the above object, the present invention has a fertilizer tank below the step plate on both left and right sides of an engine frame supporting an engine in front of the airframe, and a passenger planting plant in which a bonnet for covering the engine and the step are integrally connected. In the machine
A connecting member fixed to the front portion of the frame, a vertical fulcrum that rotatably supports the front side of the fertilizer tank,
A horizontal fulcrum for rotatably supporting the front side of the bonnet is provided.

[Action]

Therefore, on the left and right sides of the engine frame 2 supporting the engine E in front of the fuselage, the fertilizer tanks below the step plate 5 are provided.
Even in the passenger rice transplanter J in which 17 is provided and the bonnet 4 covering the engine E and the left and right steps 5 are integrally connected, a box-shaped connecting member fixed to the front part of the engine frame 2 is also provided. The bonnet 4 including a step 5 and a vertical fulcrum M for rotatably supporting the front side of the fertilizer tank 17 composed of the left and right on the connecting member 12 separately.
By providing a horizontal fulcrum P for rotatably supporting the front side of the bonnet 4, the bonnet 4 has a very simple structure.
The fertilizer tank 17 can be rotated around the fulcrum on the front side.

Further, since the horizontal connection hose 21 that connects the left and right fertilizer tanks 17 is provided in the connecting member 12 below the vicinity of the vertical fulcrum M and is formed of a flexible hose,
It does not hinder the rotation of the fertilizer tank 17.

As a result, with a simple structure using the box-shaped connecting member 12 fixed to the front part of the engine frame 2, the bonnet 4 including the left and right fertilizer tanks 17 and the step 5 is centered on the fulcrum on the front side. Can be rotated.

〔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 is the traveling body K.
The structure is such that a planting part (not shown) is connected to the rear of the vehicle, but the traveling case K has a mesh case 1 fixed thereto, and the mesh case 1 has a base end of an engine frame 2 extending forward. It is fixed. 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 a bonnet 4, and 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. Is connected to a flat deck unit 9 arranged below the driver's seat 7 arranged behind the steering wheel 6.

As shown in FIGS. 1 and 2, the engine frame 2 includes left and right side plates 2 fixed to the left and right side surfaces of the mission case 1.
a, 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 upper end of this engine frame 2 is fixed to 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 is fixed to the tip of the upper plate 2b on the engine frame 2 side, and its lower surface wall 12C is on the engine frame 2 side lower wall 2b.
By being fixed to the tip of c, it is formed in a box shape, and the width B of the connecting member 12 is wider than the width of the engine frame 2.

Above the upper wall 12b of the connecting member 12, 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 above-mentioned bonnet 4.
Is stuck. That is, the bracket 13 is formed in a U shape in a front view, and the bracket 13 is formed by the connecting member 12
Stoppers 14 are integrally formed on the left and right sides of the bracket and are located on the outer rear side. The bracket 13 has a fulcrum that protrudes outward and forms a horizontal rotation fulcrum P of the bracket 4. The shaft 15 is fixed. 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.
A fulcrum shaft 20 of a fertilizer tank 17, which will be described later, is fitted into the fulcrum M in the vertical direction.

As shown in FIG. 5, fixed rods 19 extending from the front to the rear through the left and right side faces are fixed to the front side of each fertilizer tank 17 made of synthetic resin or the like, and the inside of the front 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 both 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. Also, a pair of left and right fertilizer tanks
The front inner bottom portions of the members 17 that are opposed to each other are connected to each other by a connection pipe 21, and the amount of fertilizer stored in both fertilizer tanks 17 is increased. The connection pipe 21 is configured to be expandable and contractible. Both are arranged in the space N in the connecting member 12, so that the connecting member 12 surrounds the front surface and the upper and lower surfaces, respectively, and protects them 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, a horizontal connection pipe 21 that connects the left and right fertilizer tanks 17 to each other is arranged in front of the engine frame 2, and the left and right fertilizer tanks 17 are provided on the front side. Even in the structure of rotating around
A connecting pipe 21 provided below the front portions of both fertilizer tanks 16 can be arranged in the space portion N of the connecting member 12.

Further, as shown in FIG. 3, at the front lower end of the bonnet 4,
A pair of left and right swing arms 23 that rotate about the fulcrum shaft 15 are fixed by the opposing width of the outer width of the bracket 13, and the front surface of the pair of left and right swing arms 23 that face each other is front. It is connected and fixed by the face 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, since 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, in the open state of the fertilizer tank and the bonnet 4,
Check the engine E, the V-belt wound between the engine E and the mission case 1, or the left and right fertilizer tanks 17
Maintenance can be done efficiently. In this case, since the connecting hose 21 expands and contracts, the opening / closing operation of each fertilizer tank 17 can be smoothly performed. In addition, the bonnet 4 can be held in the open position because the stop rod 24 projecting below the position of the fulcrum shaft 15 of both swing arms 23 contacts the stopper 14 of the bracket 13.

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 connecting member 12 described above is used.
By using the front wall 12a and the lower wall 12c that configure the above, the front side of each gart 30 that protects the outer sides of the left and right fertilizer tanks 17 in a plan view is laterally fixed. That is,
The front side of the connecting member 12 is fixed to the front wall 12a and the lower surface wall 12c by a fixing means such as a mounting bolt so that the front side of the gart 30 is laterally fixed, and the gart 30 has a shape that passes below the fertilizer tank 17 in a side view. Is formed in a stepped shape and extends rearward in a shape substantially following the shape of the bottom plate of the fertilizer tank 17.

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

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 gart 30 is fixedly connected to the. The lower part of the front support column 33, which is erected in front of the rear support column 32, is fixed to the front side of the gart 30, and outside the both support columns 32, 33, there are a plurality of stages of auxiliary seedling mounts 34.
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]

As described above, according to the present invention, the fertilizer tanks below the step plates are arranged on the left and right sides of the engine frame supporting the engine in front of the machine body, and the bonnet covering the engine and the left and right steps are integrally connected. Even in the riding rice transplanter, a connecting member fixed to the front part of the engine frame is used, and the connecting member includes a step and a vertical fulcrum for rotatably supporting the front side of the fertilizer tank. By providing a horizontal fulcrum that rotatably supports the front side of the bonnet, the bonnet and the fertilizer tank can be rotated about the front fulcrum with a very simple structure.

Therefore, with a simple structure that uses a connecting member fixed to the front of the engine frame, the left and right fertilizer tanks and the bonnet including the steps can be rotated around the front side as a fulcrum, so that the engine, the transmission mechanism and the fertilizer can be rotated. The tank can be inspected and maintained efficiently.

[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 ... Coupling 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… Running machine, P… Horizontal rotation fulcrum, M… Upward and downward rotation fulcrum, N… Space.

Claims (1)

[Scope of utility model registration request] 1. A riding rice transplanter in which fertilizer tanks below a step plate are respectively disposed on both left and right sides of an engine frame for supporting an engine in front of an airframe, and a bonnet for covering the engine and the step are integrally connected. , A vertical fulcrum that rotatably supports the front side of the fertilizer tank and a horizontal fulcrum that rotatably supports the front side of the bonnet are provided on the connecting member fixed to the front portion of the frame. The engine frame structure of the riding rice transplanter.