JPH0840083A - Radiator installing device in tractor - Google Patents

Abstract

PURPOSE:To stably install a radiator mounted on a tractor in a condition where vibration from an engine is hardly transmitted. CONSTITUTION:A proper battery holding flat-shaped plate 2 to support a battery is installed in front side upper parts of left and right plate bodies of an agriculatural tractor, and a radiator 23 is arranged in the shape of being sandwiched between an upper side part of the flat-shaped plate 2 and column bodies 15 positioned left and right on the upper side, and the radiator 23 is supported from the upper and under side between an under side frame plate of this radiator 23 and the base 2 and between an upper side frame plate of the radiator 23 and the respective left and right column bodies 15 through vibration absorbing rubber-like elastic bodies 24.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention relates to an agricultural tractor.
The invention relates to a radiator mounting device for cooling an engine.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Utility Model Laid-Open No. 57-9679, an agricultural tractor has its base portion fixed to a pair of left and right frames, and has a gate-like shape in a side view and a front view. There has been a tractor having a structure in which a pillar skeletal body that constitutes the above is configured and an engine, a radiator, and the like are housed inside the pillar skeletal body.

However, this radiator also has a structure in which the radiator itself is installed and fixed on a support base plate attached to the tractor frame side, and particularly, in the structure connected to the support frame. is not. Further, it is not structured to prevent the vibration from the engine side from being transmitted to the radiator.

[0004]

In the prior art, the vibration from the engine is directly transmitted to the radiator, which deteriorates the durability of the radiator itself.
In addition, since the radiator is not supported at all on the upper side, it lacks stability and has a drawback that it vibrates greatly to the left and right and front and back.

[0005]

The present invention takes the following technical means in order to solve the above-mentioned problems. That is, the frame 1 on the front side of the agricultural tractor is composed of a pair of plate bodies with a certain interval left and right, and the pair of frame plate bodies 1a and 1b are connected at the front end side. At the same time, a flat plate 2 for holding the battery 3 is attached to the front upper portions of the left and right plate bodies 1a and 1b, and a base portion is fixed to the frame plate body or the flat plate. Stand up and then to the rear, a pair of left and right pillars 15
a and 15b are provided, and the rear end side of the column body 15 is fixed to the frame side and the lower end side is appropriately fixed to stand upright. 14 is a radiator which is sandwiched between the upper side of the flat plate 2 fixedly stretched above the frame plate 1 and the pillars 15 located on the left and right of the upper side. A radiator 23 is arranged to absorb vibration between the lower frame plate of the radiator 23 and the base 2 and between the upper frame plate of the radiator 23 and the left and right pillars 15a and 15b. Rubber-like elastic body 24
A radiator mounting device for supporting the radiator 23 from above and below via the.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An example of the present invention will be described in detail with reference to the drawings. FIG. 1 is a side view of the entire tractor, FIG. 2 is a side view showing a main portion of a front side portion thereof, and FIG. 3 is a side view thereof.
Although it is a plan view of the figure, in a plan view, the front frame 1 has a pair of left and right plate bodies 1a and 1b, which are arranged at intervals on the left and right, in a vertically long shape from the front side to the rear side. The U-shaped plate 1c is connected to the front end side of the flat plate 2 and the flat plate 2 is stretched on the upper surface. A battery-mounting plate 4 on which the battery 3 is placed is integrally attached to the upper side of the flat plate 2. And
The rear end sides of the plate bodies 1a and 1b forming the pair of left and right frames are fixed to the mission case 5 side of the tractor. Further, a front differential case 6 is attached to the front frame 1, and front wheels 7, 7 are supported on the left and right end sides of the front axle case protruding from the front differential case to the left and right sides. Power is transmitted to the case 6 from the mission case 5 side.

Reference numeral 8 denotes an engine, the bottom side of which is disposed between the left and right plate bodies 1a and 1b, and a vibration is not directly transmitted to the plate bodies 1a and 1b by a support member of a rubber material (not shown). Suspended. 9 is a rear mission case
Is integrally fixed to the rear end side of the transmission case 5 and is provided with rear wheel drive cylinder cases 9a and 9b for wrapping the rear wheel drive shaft 10 projecting to the left and right sides, A rear wheel 11 is supported on the drive shaft 10. Reference numeral 5a denotes a transmission case having a clutch built-in that connects the output shaft on the engine side and the mission input shaft in the mission case 5. A cabin 12 for operation is attached to the upper part of the mission case 5 side. Reference numeral 13 is a rear wheel cover that covers the inside and the upper portion of the rear wheel.

Reference numeral 14 denotes a columnar frame constructed above the frame 1 and constructed as follows. Struts 15a and 15b made of a pair of left and right steel pipes whose bases are fixed to the left and right ends of a flat plate 2 stretched and fixed to the upper and lower plates 1a and 1b of the frame are turned rearward and upward. The front end is a gate-like shape in which the rear end is extended slightly backward from the predetermined height so that the rear side becomes higher, and the rear end side is properly fixed at the lower end side to the frame side and erected upward. It is configured by being fixed to the rear supporting column 16.

The gate-shaped rear support 16 is provided with a partition 17 for partitioning the engine 8 side and the control side. Further, the handle post 1 is attached to the rear strut 16.
8 are connected via the partition body 17, and a control frame 19 surrounding the handle post 18 is also attached. Reference numeral 20 denotes an instrument panel equipped with an instrument for operation, which is provided on the upper surface of the operation frame 19. 21 is the panel 20
Shown on the upper surface of the steering wheel is a steering wheel that sticks to the steering wheel.

Reference numeral 22 is a control seat provided between the left and right rear wheel covers 13 and 13. Reference numeral 23 denotes a radiator, which is an upper portion of the flat plate 2 that supports the radiator stretched above the plate bodies 1a and 1b for the frame, and the column body 15 located on the left and right of the upper side. It is arranged so as to be sandwiched between the radiator 23 and the lower frame plate 23a of the radiator 23 and the flat plate 2, and between the upper frame plate 23b of the radiator 23 and the left and right pillars 15a, 15b. The radiator is mounted so as to be supported from above and below via a rubber-like elastic body 24 for absorbing vibration. That is, the flat plate 2 and the lower frame plate 23a of the radiator 23 are attached to the flat plate 2 by forming the grooves 26 in the upper and lower intermediate portions of the outer circumference of the disk made of rubber having a predetermined thickness. The groove 26 is fitted into the hole 25 while the rubber disk is being deformed, and the hole 27 is bored in the central portion of the rubber disk to form the lower frame plate 23a of the radiator 23.
The pin 28 fixed to the above is inserted into the above 27 and the radiator is attached.
The lower part of 23 is supported by an elastic body 24 which is a rubber disk.
Further, the upper side of the radiator 23 is attached to the bracket plate 29 fixed to the above-mentioned left and right support bodies 15a and 15b via the elastic body 24 similar to the above.

The hood 30 of the tractor includes a front frame 30a equipped with a hole for accommodating a light 31 for projecting light, and left and right side wall frames 30b, 30b partially bent inward.
And an upper frame 30c covering the upper space between the left and right frames,
The front frame 30a and the left and right side wall frames 30b, 30b are
It is detachably attached to the pillar body 15. The rear side of the upper frame 30c is fixed to a mounting plate 33 which is rotatably provided on the rear support 16 via a rubber tube 32, and the front side is detachable from the front frame 30a via a hook. The upper frame 30c is attached so that it can be opened and closed.

Next, the operation of the above example will be described. The bonnet portion includes a front frame 30a portion and left and right side wall frame portions 30b,
30b and the upper frame 30c are separated from each other and attached to the pillar body 15, so that a reliable bonnet structure is obtained.
The upper frame 30c has a structure in which a rubber tube 32 made of an elastic material is passed through a lateral member of the gate-shaped rear support 16 at the rear of the bonnet and is fixed to a freely rotatable mounting plate 33 mounted on the outer circumference of the rubber tube. Therefore, the upper frame 30c can be stably held, and vibration noise or the like does not occur.

As for the attachment of the radiator 23, the flat plate 2 fixed on the frame 1 and the left and right support members 15a, 15 which are formed in the front and rear direction on the upper side.
Since it is configured to be attached to b through the elastic body 24, the radiator 23 is less susceptible to vibration by the engine 8.
The left and right, front and rear vibrations are reduced to improve durability, and the left and right support bodies 15 themselves to which the bonnet 30 is attached are made solid, so that a solid bonnet wind tunnel can be made up as a whole.

The above-mentioned cabin 12 for the tractor is of a fixed type, but an embodiment in which this is a folding type simple type cabin will be briefly described. Explaining with reference to the embodiment drawings of FIGS. 8 to 10, the rear side of the driver's seat has a posture in which the lops 34 forming a safety frame are erected and fixed, and the lower end side thereof can be rotated about the horizontal axis to the rear. It is possible to set it in a posture of lying down to the side, and a transparent rear window 35 is attached to this lops 34 so that the lower side can be opened and closed backward and upward with the upper side as a fulcrum. The lower cabin portion 12a on the lower side from the seat height of the driver's seat is fixed to the frame side of the tractor, and the left and right lower window portions 36 are formed on the front lower support column 37.
In addition, it is configured so that it can be rotated around the vertical axis and the rear side can be opened and closed, and it is possible to get on and off the driver's seat. Further, the upper cabin portion 12b is provided with a ceiling frame body 39 rotatably around a horizontal axis center on an upper end portion of a front column 38 which is rotatable around a horizontal axis axis on the lower pillar 37. The window 40 is rotatably attached to the front support column 38 about a vertical axis, and the axis is configured to coincide with the rotation center of the lower window 36. Then, when the cabin is used, the lower window portion 36 and the upper window portion 40 are configured to be detachable by the connecting member 41. The front support 38 is, of course, provided with a transparent front window plate 42.

The cabin 1 assembled in this way
The whole contents of 2 will be configured as shown in FIG.
By folding this, as shown in FIG. 9, it is possible to easily lay down the LOPS side to the rear and the front side and the ceiling frame 39 to the upper side of the hood 30. This folding method is as shown in FIG. 10. First, the lower window portion 36 and the upper window portion 4 are folded.
After the connection with 0 is removed, the rear window 35 and the lops 34 are integrally tilted rearward and appropriately locked to the tractor-vehicle body side. On the other hand, after the front support column 38 is unlocked to the front side and tilted down, the left and right upper window parts 40, 40 are folded inward, and the ceiling frame body 39 is tilted backward and the whole is folded.

In this way, the structure of folding the cabin 12 easily makes it easy to store in the barn, and also allows entry / exit into / from the house for work in the orchard. You can also Further, this cabin can be applied to cabins other than tractors.

[0017]

According to the present invention, vibrations from the engine are not directly transmitted to the radiator, and the radiator can be supported vertically and stabilized, and the left and right shoulders of the radiator can be stabilized. Since it is supported by the support frame via the elastic body, the stability to the left and right is improved.

[Brief description of drawings]

1] Side view

FIG. 2 is a side view of the main part.

FIG. 3 is a plan view of a main part

[Figure 4] Slope view of the main part

FIG. 5 is a front sectional view of a main part

FIG. 6 is a side sectional view of a main part.

FIG. 7 is a simplified slope view of the main part.

FIG. 8 is a perspective view of another example.

9 is a perspective view of the cabin of FIG. 8 in a folded state.

FIG. 10 is a perspective view showing how to fold the cabin.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 frame 2 flat plate 3 battery 14 pillar frame 15 pillar body 16 rear pillar 23 radiator 24 rubber elastic body

Claims (1)

[Claims] 1. A frame 1 on the front side of an agricultural tractor.
Is formed by a pair of plate bodies with a certain interval left and right, and the pair of frame plate bodies 1a and 1b are connected at the front end side, and the front upper portions of the left and right plate bodies 1a and 1b are connected. A flat plate 2 for holding the battery 3 is appropriately attached to support the battery 3, and the base is fixed to the frame plate or the flat plate to stand up, and a pair of left and right columnar bodies 15a facing rearward, 15 b is provided, and the rear end side of the pillar body 15 is fixed to the frame side, and the lower end side is appropriately fixed to be erected upward. The radiator 23 is configured so as to be sandwiched between the upper portion of the flat plate 2 fixedly stretched above the frame plate body 1 and the column bodies 15 located on the left and right of the upper side. Between the lower frame plate of the radiator 23 and the base 2 The radiator 23 is supported from the upper and lower sides via a rubber-like elastic body 24 for absorbing vibration between the upper frame plate of the radiator 23 and the left and right pillars 15a and 15b. Radiator mounting device for tractor.