JPH0356411Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a tractor with a cabin, and in particular,
This invention relates to a so-called reverse type tractor that is equipped with a cabin and can be changed between forward and backward operation.

(Prior art) For example, as shown in Japanese Utility Model Application Publication No. 59-57270,
From the standpoint of improving the functionality of tractors as traveling work vehicles, tractors with a driver's seat that can be freely changed between a forward-facing driving position and a rear-facing driving position, which is higher than the forward-facing driving position, have recently attracted attention. ing.

Such tractors also need to be equipped with a cabin from the standpoint of improving operator security and comfort.

As a cabin for such a forward-reverse type tractor, the one described in Japanese Utility Model Application Publication No. 132922/1983 is known.

In this conventional tractor with a cabin, a portion of the fixed roof is made into a movable roof that can be raised and lowered in order to secure head space for the driver when driving in reverse.

(Problem to be solved by the invention) In the conventional forward-reverse tractor cabin, a part of the fixed roof is made into a movable roof that can be raised and lowered to ensure overhead space when driving backwards. The ceiling was so close to my head that I felt extremely cramped.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a tractor with a cabin that does not make the interior of the cabin feel cramped when driving backwards.

(Means for Solving the Problems) In order to achieve the above object, the present invention takes the following measures. In other words, the features of this invention are:
A tractor with a cabin in which a driver's seat is provided in the cabin so that the position can be freely changed between a forward-facing driving position and a rearward-facing driving position located higher than the driver's seat, wherein substantially the entire upper part of the cabin is a ceiling opening. and a canopy for opening and closing the ceiling opening, the height of the ceiling opening of the cabin body being lower than the height of the face of a driver seated in a rear-facing driver's seat, and The canopy is pivotally supported on the rear end of the upper end of the cabin body so as to be able to swing up and down, and has a closed position in which the canopy opening is closed, and an open position in which it is tilted forward and opens the ceiling opening. The canopy is configured to be able to change and fix its position freely, and is provided with a transparent body at the rear of the canopy that allows the outside to be seen from inside the cabin, and when the canopy is in the open position, the transparent body allows the driver seated in the rear-facing driver's seat to see through the canopy. It is located at the driving window.

(Function) According to the present invention, the canopy is in a closed position when driving forward. When driving backwards, the canopy is in an open position.

When driving backwards, the transparent body installed in the canopy becomes the driving window. When driving backwards, the entire roof of the cabin is open, so you don't feel as cramped as you would with a conventional vehicle.

(Embodiment) Hereinafter, an embodiment of the present invention will be described based on the drawings. In FIG.
The tractor body 4 is an integral type consisting of an engine 5 and a transmission case 6 connected thereto.

A hydraulic device 8 having a pair of left and right lift arms 7 is provided at the rear of the tractor body 4, and this hydraulic device 8 is covered by a floor cover 9, which is connected to a rising wall 10 at the rear. A pair of left and right fenders 11 are connected to each other.

A bonnet 12 covers the engine 5, radiator 13, etc., and has an instrument panel 14 at the rear thereof.

Reference numeral 15 denotes a driving control device, which consists of a driver's seat 16 and a control handle 17 facing the driver's seat 16 at the front.The driver's seat 16 is, as shown by the solid line in FIG.
The forward driving position is installed on the floor cover 9 via a support 18, and the instrument panel 14 is installed at a higher position than the above position, as shown by the imaginary line in the figure, via a support (not shown). The position of the steering wheel 17 can be freely changed and fixed to the rearward driving position where the steering wheel 17 is installed, and the operating handle 17 can also be changed as shown.

19 is a cabin, as shown in FIGS. 2 to 6, a cabin main body 21 having a ceiling opening 20;
and a canopy 22 that opens and closes the ceiling opening 20.

The cabin body 21 is constructed by connecting and fixing a cabin ceiling frame 25 having a rectangular cylindrical cross-sectional structure to the upper part of a main cabin frame consisting of a pair of left and right front struts 23 and a pair of left and right intermediate struts 24, etc. The front strut 23 is erected on an abutment 26 which also serves as a step, and each intermediate strut 24 is erected with its base end connected and fixed to the fender 11.

The cabin body 21 has a pair of left and right opening/closing doors 27.
is provided at the entrance 28, and this opening/closing door 2
A transparent body 29 made of transparent glass, plastic, etc. is fitted into each of the front (front) and rear (rear) windows including 7, and the surroundings of the operation control device 15 are fitted here. surrounding.

The canopy 22 can open and close the rectangular ceiling opening 20 of the cabin ceiling frame 25.

That is, one piece of the opening/closing support metal fitting 31, which is represented by a pair of right and left hinges, is attached to the rear upper surface of the cabin ceiling frame 24, and one side of the canopy 22 is attached to the other piece of the metal fitting 31. Reference numeral 22 refers to a pivot shaft 31A of the opening/closing fulcrum fitting 31, as shown by the solid line in FIG.
It can be opened and closed freely between the closed position and the closed position.

A pair of left and right side reinforcing frames 32 each having a groove-shaped cross section are disposed in the front-rear direction on both left and right sides of the lower surface of the canopy 22. are connected by a front reinforcing frame 33, a central reinforcing frame 34, and a rear reinforcing frame 35, respectively.

An elastic lining 36 made of sponge, heat-insulating wool, etc. is fixed to the front lower surface of the canopy 22.
A transparent body 37 made of glass, plastic, etc. is fitted into the rear part of the housing 19 through a packing material 38 made of rubber, etc.
The outside can be seen through 7.

Reference numeral 39 denotes a see-through body blind which blocks sunlight from entering the cabin 19 from outside the cabin 19 through the see-through body 37, and one edge of which is connected to the central reinforcing frame 34 by a pair of left and right hinges 40.
The blind 39 is rotatably supported via the
As shown by the solid line in FIG. 6, the covering position covers the lower surface of the transparent body 37, and as shown by the imaginary line in FIG.
7. The position can be changed freely between the open position and the open position where the lower surface is opened.

A pair of left and right fixing nuts 42 and 43 are welded to the rear reinforcing frame 35 itself and the left and right sides of the bracket 41 fixed to the front reinforcing frame 33, respectively, and the end of the blind 39 is attached to each nut 42, 43. The blind 3 is fixed by the butterfly bolts 44 to the
9 is fixed in each of the above postures.

An elastic lining 45 made of sponge, heat insulating wool, etc. is fixed to the blind 39, so that when the blind 39 is in the covering position, the lining 45 is on the lower surface side, and in the above case, Canopy 2
2, the lower surface of the center is covered with the inner linings 36, 45.

Reference numeral 46 denotes a holding means that holds the canopy 22 in the open position and the closed position, and in this example, a tube 47 filled with gas, oil, etc.
and a piston rod 48 slidably inserted into the tube 47. Each piston rod 48 of the left and right pair of rod-shaped dampers is attached to each tube 47 on the left and right sides of the ceiling frame 25. are pivotally connected to the left and right sides of the corresponding canopy 22 via pins 49, 50 and brackets 51, 52, respectively. In this way, the holding means 46 is attached to the left and right parts of the ceiling frame 25 along the front-back direction.

The pair of left and right holding means 46 press the canopy 22 to the left in the figure when the canopy 22 is in the open position, and the pins 49 and 50 at both ends of the damper press the canopy 22 to the left in the figure.
The vertical movement of the canopy 22 is regulated and restrained by the triangular link constituted by the pivot shaft 31A of the opening/closing fulcrum fitting 31, and a safety margin for the driver's head F2 is ensured as shown in FIG.

Further, between the open position of the canopy 22 and a predetermined intermediate position between the open position and the closed position, the holding means 37 pushes up the canopy 22, and also pushes up the canopy 22 between the open position and the closed position. In this case, the holding means 46 is interposed between the ceiling frame 25 and the canopy 22 so that the holding means 46 pushes down the canopy 22.

Reference numeral 53 denotes a telescopic cover, which is interposed between the entire circumference of the ceiling frame 25 and the entire circumference of the canopy 22 to allow the canopy 22 to be opened and closed, and is made of waterproof canvas or fabric with an accordion or bellows structure. It is made of resin sheet material.

Further, a cushion 55 is provided on the substantially entire circumference of the fixed angle member 54 of the ceiling frame 25, and cushions and absorbs the shock when the canopy 22 is closed or when the canopy is running. 56 is a grip of the canopy 22.

As shown in FIGS. 3 and 7, a box body 57 is attached to the lower part of the inner surface of the right door 27, and the box body 57 is equipped with a gear shift lever 58, a radio unit 59, a speaker 60, etc. It is being

Further, in FIG. 1, reference numeral 61 indicates a heater, and a hot air distribution plate 62 is provided at the hot air outlet to heat the operator's feet during backward operation and to heat the entire cabin 19. This heat source is piped 63 and has a fan to utilize the hot water heat of the radiator 13.

(Effects of the invention) According to the invention, since the entire ceiling of the cabin is inclined, there is a feeling of freedom when driving backwards compared to the conventional case in which only a part of the ceiling rises and falls.

Additionally, a transparent body is provided in a portion of the canopy to serve as a driver's window when driving backwards, further increasing the sense of freedom.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a partially sectional side view of a tractor, Fig. 2 is a perspective view of the upper part of the cabin, Fig. 3 is a perspective view of the right side of the cabin, and Fig. 4 is a perspective view of the cabin. 5 is a bottom view of the left half of the canopy with the blind removed, FIG. 6 is a vertical sectional view of a portion of the canopy, and FIG. 7 is a side view of the box body. 1...Tractor, 15...Driving control device, 16
...Driver's seat, 19...Cabin, 20...Ceiling opening, 21 Cabin body, 22...Canopy, 25...
...Cabin ceiling frame, 37...Transparent body, 39...Blind.

Claims (1)

[Claims for Utility Model Registration] A tractor with a cabin in which a driver's seat 16 is provided in a cabin 19 so as to be changeable between a forward-facing driving position and a rearward-facing driving position which is higher than the driver's seat 19, comprising: 19 is composed of a cabin body 21 having a ceiling opening 20 in almost the entire upper part thereof, and a canopy 22 for opening and closing the ceiling opening 20, and the height of the ceiling opening 20 of the cabin body 21 is set at the rear. The canopy 22 is lower than the height of the face of the driver seated in the driver's seat, and the canopy 22 is pivotally supported on the rear end of the upper end of the cabin body 21 so as to be able to swing up and down, thereby closing the ceiling opening 20. The canopy 22 has a transparent body 37 at the rear of the canopy 22, which can see through the outside from the inside of the cabin 19. The transparent body 37 is provided when the canopy 22 is in an open position.
A tractor with a cabin characterized in that it serves as a driving window for a driver seated in a rear-facing driver's seat.