JPH09156539A - Front grille opening device for agricultural work vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form a bonnet and a body in a flat form without losing front grille opening/closing functions. SOLUTION: An upper part and both side parts of an engine are covered with a bonnet 2, and a front part is covered with a front grille 3 which is detachable, a lever 26 is extended from a hook 28 to catch a rod 33 provided along width of the inside of the front grille 3, and the lever 26 is composed to be operated from a radiator water supply cover 23 opened in a upper surface of the bonnet 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a front grill of an agricultural work vehicle such as a tractor and a rice transplanter.

[0002]

2. Description of the Related Art Conventionally, in an agricultural work vehicle, for example, an agricultural tractor, an engine is mounted on the front part of a vehicle body, its upper side or side is covered with a hood, and its front is covered with a front grill. Alternatively, the side of the engine is covered with a side cover that is separate from the bonnet. These bonnets, side covers, and front grill covers are configured to be removable for maintenance of the engine and its peripheral equipment, or partially rotatable to open the periphery of the engine. It is configured to be possible. Especially with regard to the front grill, it is necessary to remove and open the radiator and battery installed in front of the engine and the headlights attached to the front grill itself when opening and closing. The method is to install a handle on the lower side of the front grill,
By rotating the handle, the front grill can be attached or detached, or as in Japanese Patent Laid-Open No. 4-115583, the marker / handle protruding from the upper surface of the bonnet can be twisted left or right to fix the fixture. It was known to release it.

[0003]

However, when a handle or a marker, which is a fixing release tool for the front grill of the conventional agricultural work vehicle as described above, is projected outside the bonnet and travels in an orchard or a group of grass, these Since there was a problem that the branches of fruit trees etc. were caught and damaged the crops, and weeds were entangled and it was difficult to wash the car, it was desired that the covers had a shape as uneven as possible.

[0004]

The present invention has taken the following technical means in order to solve such problems.
That is, the engine 1 is provided in the front part of the vehicle body, and the bonnet 2 covers the upper side or the side of the engine 1.
In the agricultural work vehicle in which the front grill 3 is covered with the front grill 3 and the front grill 3 can be opened, an opening 4 is provided on the surface of the bonnet 2, and the fixing release tool R of the front grill 3 is provided in the opening 4. The front grille opening device for agricultural vehicles is characterized by the provision of The subordinate concept of the fixing release tool includes a handle, a lever, a switch, etc. as in the prior art, and the fixing method includes one having a scratching portion that electrically or mechanically acts, a magnet or the like. Including a method of fixing with an adhesive.

[0005]

The problems and means to be solved by the present invention are as described above, and an embodiment will be described with respect to an agricultural tractor (hereinafter referred to as tractor). The entire structure of the tractor 10 will be described. The tractor 10 has a main frame 11 in which a clutch housing, a transmission case, a rear mission case, and the like are integrally connected from the engine 1 as a rigid main part of a vehicle body, and a pair of left and right front wheels 12 and 12 are provided in front of the main frame 11. And a pair of left and right rear wheels 13 and 13 are provided at the rear of the main frame 11, and the rotational power of the engine 1 in the bonnet 2 is appropriately reduced in the mission case to front wheels 12 and 12 and rear wheels 13 and 1.
3 is transmitted to the vehicle and the vehicle travels. Further, the front wheels 12 and 12 are steered by rotating a handle 14 provided at the rear of the bonnet 2. Main frame 1
A floor 15 is provided above the central part of 1, and a handle 14 is provided above the front part with the floor 15 interposed therebetween.
A seat 16 is provided above the rear part. A hanger weight 17 is provided in front of the engine 1, and a radiator 18 and a battery 19 are mounted on the hanger weight 17.

The bonnet 2 covers from above the front surface of the radiator 18 to the rear of the engine 1 along with its peripheral equipment, and has a meter panel 20 and a foot cover 2 at its rear end.
1 and 21 are provided. On the upper surface of the bonnet 2, a rectangular opening 4 is opened at the position of the water supply cap 22 of the radiator 18, and a lid 23 is provided on this opening 4. The lid 23 has a shape that conforms to the shape of the upper surface of the bonnet 2, and is provided with knobs 24, 24 at its central portion, and the fulcrum 25 can be opened on the shaft by holding the knobs 24, 24. ing. Then, in the opening 4, the opening lever 2 which is the fixing release tool R of the front grill 3 is opened.
6 protrudes from the side. The tip of the lever 26 is connected to one end of a rod 27 that is rotatably supported over the width of the inside of the bonnet 2 on the left and right sides. This rod 27
Left and right hooks 28 protruding from the front of the hood 2
・ 28 is provided. This hook 28 is used for the lever 2
When a forward pushing force is applied to 6, the rotary fulcrum 29 is pushed down around the shaft, and when this pushing force is lost, the sprue. It is configured to be returned to its original position by the urging force of the ring 30.

The front grill 3 is provided with a headlight 31 on the upper front surface and a mesh-shaped ventilation section 32, 32 on the middle front surface. The overall cross-sectional shape when viewed from above is substantially U-shaped so that it can cover the periphery of the battery 19 placed on the hanger weight 17. Fixed rods 33 are provided behind the headlights 31 on the left and right sides inside the front grill 2. Further, four protrusions 35, 35 are provided on the lower surface of the front grill 3 in accordance with the positions of the recesses 34, 34 provided on the hanger weight 17, and the four protrusions 35, 35 are provided on the front, rear, left and right.・ 35 is fitted and the lower part is fixed.

When mounting the front grille 3, first, the lower projections 35, 35, 35, 35 are placed in accordance with the positions of the recesses 34, 34, 34, 34 provided in the bumper weight, and the front grille is mounted. 3 is pushed toward the bonnet 2, the inclined surface 28a on the front surface of the hook 28
When the fixing rod 33 comes into contact with and is further pushed in, the fixing rod 33 overcomes the biasing force of the spring 30 and the hook 28
28 is pushed down, and finally the fixing rod 33 falls into the scratched portion 28b, and the spring 30 causes the hook 2 to move.
8 and 28 are pulled up to fix the front grill 3.

When removing the front grille 3, the lid 23 is opened, the lever 26 is pushed forward, and the front grille 3 is slid forward.
28 is released and can be removed. As another example of the opening 4, it may be possible to provide the opening 4 on the side of the bonnet 2.

A fuel filler port 40 and a fuel filler port cover 41 are provided at the rear of the upper surface of the bonnet 2. The configuration of the fuel filler cover 41 will be described. The fuel filler cover 41 is a plastic plate and is attached to the front of the fuel filler 40 across the left and right width of the hood 2. The cover portion 41 a of the filler opening cover 41 is inclined toward the upper surface of the filler opening 40 and forms a flat surface portion on the upper surface of the filler opening 40.
The bottom surface of the fuel filler cover 41 has a shape that is gently curved according to the shape of the left and right width of the hood 2, and the insulator 42 is sandwiched between the contact surfaces of the hood 2. The left and right ends of the fuel filler cover 41 are formed with key portions 41b along the fixing groove of the side cover 43. When the fuel filler cover 41 is mounted, the side cover 43 is removed once and the key portion 41b is removed. It is fixed by pinching the side cover and tightening together. Thereby, the fuel filler cover 41 can be easily attached as needed, and the plants flowing along the bonnet 2 are made to flow backward along the fuel filler cover 40 without being caught by the irregularities of the fuel filler 40. Has become. As another example of the fuel filler cover 41, the cover portion 41 may be upright. As a result, plants and trees flowing along the bonnet 2 have a lower probability of flowing toward the operator, as compared with the case where the plants have a sloped shape.

It is desirable that the seat 16 is provided at a position as low as possible so that work can be easily performed in a place having a small overhead space such as an orchard. The seat 16 is also provided with a cylinder case 50 or the like provided below the seat 16. It is necessary to make it rotatable so that it can be maintained.
However, when the seat 16 is arranged below, the front surface of the seat interferes with the main frame 11 and cannot rotate. Therefore, the seat 16 is configured as follows.

The seat 16 is provided with mounting plates 51, 51 projecting downward at the center of the lower surface. Then, it is rotatably provided on a mounting member 52 fixed to the upper surface of the main frame 11. In detail, the mounting bracket 5
2 has a rotating shaft 53 in front of the front surface of the seat in a side view, and is fixed by bolts 54. Then, the arm 52a formed integrally with the rotating shaft 53 is attached to the seat 16
Is extended to the lower surface and the connecting plate 52b is provided at the end. A cushion rubber 5 is provided below the connecting plate 52b.
7A is provided. On the other hand, in the seat 16, the mounting plate 51 and the connecting plate 52b at the front are connected to the bolt 5
It is fixed at 8 to support the front part, and the rear part is supported by the cushion rubber 57B provided on the cylinder case 50. Since the seat 16 is configured as described above, it is possible to solve the problem that the seat cannot be rotated when the seat 16 is provided on the lower surface of the seat in the related art, and the seat can be arranged at a low position.

[0013]

As described above, the engine 1 is provided at the front of the vehicle body, and the bonnet 2 is provided above or at the side of the engine 1.
In the agricultural work vehicle in which the front of the engine 1 is covered with a front grill 3 and the front grill 3 can be opened, an opening 4 is provided on the surface of the bonnet 2, and the front grill is provided in the opening 4. Since the front grille opening device of the agricultural work vehicle provided with the fixing release tool R of No. 3 is used, the fixing release tool does not damage the crops, the car wash does not require any trouble, and the work can be performed comfortably. I was able to do it.

[Brief description of the drawings]

FIG. 1 is an enlarged side view of a front part of a hood.

FIG. 2 is a side view of a conventional front grill.

FIG. 3 is a perspective view of a tractor.

FIG. 4 is a cross-sectional top view of the front part of the bonnet.

FIG. 5 is a mounting view and a cross-sectional view of a fuel filler cover.

FIG. 6 is an overall view of a fuel filler cover.

FIG. 7 is a side view of the seat.

FIG. 8 is a front view of the seat.

[Explanation of symbols]

 1 Engine 2 Bonnet 3 Front Grill 4 Opening 18 Radiator 22 Water Supply Cap 23 Lid 26 Lever 28 Hook

Claims (1)

[Claims] 1. An engine 1 is provided at a front part of a vehicle body, an upper side or a side of the engine 1 is covered with a bonnet 2, a front grill 3 is covered with a front grill 3 and the front grill 3 can be opened. In the configured agricultural work vehicle,
A front grill opening device for an agricultural vehicle, wherein an opening 4 is provided on the surface of the bonnet 2, and a fixing release tool R for the front grill 3 is provided in the opening 4.