JPH11240469A - Vehicle for industrial use - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable to easily conduct service works for inside of the engine compartment without opening it from the driving stand. SOLUTION: In this vehicle for industrial use, an engine compartment 3 is formed between left and right side frames 1 extending in the to-and-fro direction, and a cabin 5 is mounted to cover the top of the engine compartment 3. An opening 10 for service works is set between the cabin 5 and one of the side frames 1 via mount brackets 6F, 6R by disposing the cabin over the side frame at regular intervals. Further, a detachable side cover 12 is provided to close the service opening 10 at the exterior of the side frame 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an industrial vehicle such as a forklift, and more particularly to an industrial vehicle suitable for service work in an engine room.

[0002]

2. Description of the Related Art FIG. 9 is a front side view of a large forklift having a cabin mounted on a front upper side of a frame, and FIG. 10 is a schematic sectional view taken along the line GG of FIG.
As shown, the body of the forklift is provided with left and right side frames 3 as strength members extending in the vehicle front-rear direction.
1. A plurality of tie beams (not shown) for connecting the two side frames 31 to each other, and a tank 32 for hydraulic oil and fuel provided in a projecting manner on the lower side of the outer surface of the left and right side frames 31 and the like. ing. The space between the left and right side frames 31 is the engine room 33.
Although not shown, devices related to driving of the vehicle, such as an engine, a radiator, a torque converter, and an air cleaner, are arranged in the engine room 33.

On the other hand, a driver's cab 34 is arranged on the front upper portion of the side frame 31 so as to cover the drive system device.
5 is supported. An engine hood 36 for opening and closing the engine room is provided on the floor of the cab 34,
The engine hood 36 also serves as a mounting base for the seat 37. Although not shown, a counterweight is mounted on the rear upper portion of the side frame 31.
Further, electric components 38 such as a battery and a condenser for an air conditioner are arranged on the back side of the upper surface of the tank 32.
8 is covered with a detachable or openable / closable side cover 39 to protect it, and to ensure the appearance of the body appearance.

[0004]

However, in the case of the above-described conventional forklift, there is a problem that the service workability in the engine room 33 is poor. That is, when checking the oil of the engine or the torque converter, checking or maintaining the cooling water of the radiator, or the like, the service operation cannot be performed unless the engine hood 36 is opened once by climbing to the cab 34. In particular, when the cab 34 is a so-called cabin having a door and glass in addition to the pillar 34a and the roof 34b as shown in the figure, a rear glass for avoiding interference with the seat 37 when the engine hood 36 is opened. The opening of the door 34c and the opening / closing door 34d are required, which makes the operation extremely complicated.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to simplify service work in an engine room without opening the engine room on a cab. It is an object of the present invention to provide an industrial vehicle that can be used for a vehicle.

[0006]

To achieve the above object, the present invention is configured as follows. That is, the invention according to claim 1 is an industrial vehicle, wherein an engine room is formed between left and right side frames extending in the front-rear direction, and a driver's cab mounted so as to cover an upper surface of the engine room is provided on the side. An opening for service work is set between the side frame and the driver's cab by arranging them at predetermined intervals above the frame.

According to the first aspect of the present invention, service work in the engine room, such as inspection of engine oil and cooling water, can be performed on the side of the vehicle without opening the engine hood. It can be performed using an opening set between the side frame and the cab.

According to a second aspect of the present invention, in the industrial vehicle according to the first aspect, a side cover that covers an opening for service work is detachably provided on an outer surface side of the side frame. According to such a configuration, the appearance of the vehicle is always ensured by covering the opening, and when the vehicle is removed, service work using the opening is enabled.

According to a third aspect of the present invention, in the industrial vehicle according to the first aspect, a side cover that covers an opening for service work is provided on the outer surface of the side frame so as to be openable and closable. According to such a configuration, the appearance of the vehicle is ensured by always holding the cover in the closed position and covering the opening, and when the vehicle is opened, service work can be performed using the opening.

According to a fourth aspect of the present invention, in the industrial vehicle according to the second or third aspect, the side cover is divided in a vehicle longitudinal direction. With such a configuration, the side cover is reduced in weight and size, and the detachment or opening and closing operation of the side cover can be simplified.

According to a fifth aspect of the present invention, there is provided the industrial vehicle according to any one of the first to fourth aspects, wherein a hydraulic oil tank or a fuel tank is provided on an outer surface of the side frame in an overhanging manner, and electrical components are provided on the upper surface of the tank. And the electrical component is covered with a side cover for closing the service work opening. According to such a configuration, it is not necessary to separately set a cover member for protecting the electrical components, and the cost can be reduced.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. First, based on FIGS.
An embodiment will be described. 1 is a side view of the front part of the forklift, FIG. 2 is a schematic sectional view taken along the line AA of FIG. 1, FIG. 3 is a detailed view of a part B of FIG. 2, and FIG. FIG.

As shown in FIGS. 1 and 2, the body of the forklift includes left and right side frames 1 as strength members extending in the vehicle front-rear direction, a plurality of tie beams for connecting the two side frames 1 to each other, Side frame 1
And a tank 2 and the like for hydraulic oil and fuel, which are formed on the lower part of the outer surface in an overhanging shape. A space between the left and right side frames 1 is an engine room 3, and devices related to driving of the vehicle such as an engine, a radiator, a torque converter, and an air cleaner are arranged in the engine room 3. Have been. A front axle 4 is attached to the front ends of the left and right side frames 1, and a rear axle (not shown) is attached to the rear ends.

On the other hand, above the front side of the side frame 1,
The cab 5 has four mounting brackets 6F on the front, rear, left and right,
The driver's cab 5 covers the upper surface of the engine room 3 and is disposed in an overhang shape in which both left and right sides protrude outside the side frame 1. A counterweight (not shown) is mounted on the rear upper portion of the side frame 1. The cab 5 in the present embodiment includes a floor, front and rear pillars 5a, and a roof 5.
b, a so-called cabin composed of a windshield 5c, left and right doors 5d, rear glass, etc., and has an engine hood 8 for opening and closing an engine room, which also serves as a mounting table for the seat 7, and a steering handle 9, Devices related to a traveling operation system such as an accelerator pedal and a brake pedal are provided.

The cab having the above structure, that is, the cabin 5 is disposed above the left and right side frames 1 so as to maintain a fixed space with respect to the side frames 1, whereby the cabin 5 A horizontally long opening 10 for service work of the engine room 3 is formed between the lower surface of the vehicle and the upper ends of the left and right side frames 1. Thus, the lower surface of the cabin 5 is installed at a higher position than the drive system such as the engine and the radiator in the engine room 3.

The width of the left and right openings 10 in the vertical direction is set to a vertical dimension in which both arms of the operator can be easily inserted into the engine room 3, preferably a vertical dimension in which the upper body can enter. Is set. For this purpose, the front and rear mount brackets 6F and 6R for supporting the cabin, which are fixed to the side frame 1 by welding or bolts,
The lower surface height of the cabin 5 is higher than the drive system device, and is set to a height dimension sufficient to secure the vertical width of the opening 10. The cushion rubber mount 11 interposed on the upper surface is The cabin 5 is supported through. In addition,
The front mount bracket 6F is arranged on the inner surface side of the side frame 1, and the rear mount bracket 6R is arranged on the outer surface side of the side frame 1.

On the outer surfaces of the left and right side frames 1, the opening 10 is disposed between the upper surface of the tank 2 and the lower surface of the cabin 5. 1) A detachable side cover 12 for covering electrical components 19 such as a battery and a condenser for an air conditioner mounted on the upper surface is provided. The side cover 12 is composed of a plate having a height from the upper surface of the tank 2 to the lower surface of the cabin 5 and a length from the front end to the vicinity of the rear end of the side frame 1, and is divided into two parts at a substantially intermediate portion. Hereinafter, a mounting structure of the side cover 12 to the body side will be described.

An inwardly extending flange 12a is provided at the peripheral edge of the front and rear side covers 12, and a lower flange 12a is provided.
Is provided with a single or a plurality of pin holes 13. In addition, substantially U made of a spring material are respectively provided at two positions on the inner side upper end side and the center side (butting surface side) of the side cover 12.
A letter-shaped catch 14 is provided. Then, as shown in FIG. 3, the pin holes 13 of the lower flange 12a are fitted into positioning pins 15 protruding from the upper surface of the tank 2, and
As shown in FIG. 4, the side cover 12 is attached to the body side by elastically engaging the catch 14 with a circular bar 16 fixed to the body side.

The bar 16 with which the central catch 14 engages is common to the two catches 14, and one end is fixed to the upper surface of the tank 2 as shown in FIG. The end is fixed to a substantially L-shaped plate 17 fixed to the upper end of the side frame 1. Further, among the bars 16 with which the catches 14 on the end side engage, the front bar 16 is fixed to the front mount bracket 6F and is fixed to the plate 18 protruding outward, and the rear bar 16 is fixed to the rear side. It is directly fixed to the mount bracket 6R. The mounting position and dimensions of each bar 16 are set so as not to reduce the opening area of the opening 10. The outer upper surface of the tank 2 constitutes a step for getting on and off the cabin 5.

This embodiment is configured as described above. Therefore, the opening 10 is always closed by attaching the side cover 12 to the body side, and the appearance of the body can be secured, and the electrical component 19 can be protected. On the other hand, the side cover 12 is located at a position where it can be detached from the ground, and when the side cover 12 is removed from the body, the opening 10 set between the side frame 1 and the cabin 5 is opened. Regarding service work such as daily inspection and periodic inspection of oil and cooling water related to the drive system device, even if the engine hood 8 is not opened and the engine hood 8 is opened, the left and right openings 10 are required.
Can be easily performed from the side of the vehicle.

In this case, in this embodiment, since the side cover 12 also serves as a cover for the electrical component 19, the electrical component 19 can be inspected at the same time when the drive system is inspected. In addition, since the side cover 12 is of a detachable type using the positioning pins 15 and the catches 14, the detaching operation can be easily performed, and the left and right side covers 12 have a two-part structure of front and rear, respectively. To facilitate handling during desorption,
Predetermined work can be performed by removing only necessary ones of the front, rear, left and right, four side covers 12 in total.

Next, a second embodiment of the present invention will be described with reference to FIGS.
A description will be given based on FIG. In this embodiment, the front and rear two side covers 12 have a double-opening opening / closing structure by sliding. Except for this point, the configuration is the same as that of the above-described first embodiment. Therefore, the side cover 1
Components other than the open / close structure 2 are denoted by the same reference numerals as those in the first embodiment, and description thereof is omitted. The two side covers 12, which are divided into two parts, are a pulley 20 with a flange on the lower flange 12a.
And two substantially U-shaped catches 21 made of a spring material are provided at the upper portion of the inner surface. On the other hand, on the upper surface of the tank 2, as shown in FIG. 7, two rails 22 on which the pulley 20 of the side cover 12 rolls are laid in parallel in the front-rear direction, and above the tank 2, as shown in FIG. As shown, upper and lower two guide bars 23 with which the catches 21 of the side cover 12 are slidably engaged are arranged in parallel.
In this case, it is desirable that the inner diameter of the catch 21 be set slightly larger than the outer diameter of the guide bar 23.

In this embodiment, both ends of the upper guide bar 23 are supported by the front and rear plates 24 protruding from the front and rear mount brackets 6F and 6R, and one end of the lower guide bar 23 is connected to the tank 2. The front end side is supported by a substantially L-shaped plate 25 fixed to the upper surface and having the other end hooked and fixed to the upper end of the side frame 1.

According to the second embodiment constructed as described above, with the side cover 12 at the front or the rear opened, as in the case of the first embodiment, the upper side of the cabin 5 is bothersome. Without opening the engine hood 8 to perform service work such as inspection and maintenance of the drive train in the engine room 3 using the opening 10 provided between the side frame 1 and the cabin 5. Can be. In particular, according to this embodiment, the service work can be performed with the side cover 12 attached in comparison with the detachable type, and if necessary, the front and rear side covers 1 can be used.
2 can be removed to perform service work in a fully open state.

In the illustrated embodiment described above, since the cabin 5 is mounted as a cab on the body of the forklift, not only the opening of the engine hood 8 in the cabin 5 but also the opening of the door is troublesome. Thus, the serviceability is greatly improved, but it is obvious that the present invention can be applied to a cab having a simple structure in which the door and the glass window of the cabin 5 are omitted. Further, the side cover 12 may be formed of a single plate, and the structure of attaching and detaching the side cover 12 to and from the body side is not limited to the illustrated embodiment. For example, it is also possible to change the configuration in which the side cover 12 has a middle folding structure with a hinge in the vertical direction, and the upper half is tilted forward to open halfway, and the lower half is tilted to the upper surface of the tank 2 to fully open. .

[0026]

As described in detail above, according to the present invention,
Service work in the engine room, such as checking the engine oil and cooling water, can be performed on the side of the vehicle without having to go up the cab and open the engine hood.
This can be performed by using an opening set between the side frame and the cab. For this reason, simplification of service work is achieved.

[Brief description of the drawings]

FIG. 1 is a side view of a front portion of a forklift according to a first embodiment.

FIG. 2 is a schematic sectional view taken along line AA of FIG.

FIG. 3 is a detailed view of a portion B in FIG. 2;

FIG. 4 is a detailed view of a portion C in FIG. 2;

FIG. 5 is a side view of a front part of a forklift according to a second embodiment.

FIG. 6 is a schematic sectional view taken along line DD of FIG. 5;

FIG. 7 is a detailed view of a portion E in FIG. 6;

FIG. 8 is a detailed view of a portion F in FIG. 6;

FIG. 9 is a side view of a front portion of a conventional forklift.

FIG. 10 is a schematic sectional view taken along the line GG of FIG. 9;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Side frame 2 ... Tank 3 ... Engine room 5 ... Cab 6F, 6R ... Mount bracket 8 ... Engine hood 10 ... Opening for service work 12 ... Side cover

Claims (5)

[Claims] An engine room is formed between left and right side frames extending in the front-rear direction, and a driver's cab mounted so as to cover an upper surface of the engine room is arranged at a predetermined interval above the side frames. An industrial vehicle in which an opening for service work is set between the side frame and the driver's cab. 2. The industrial vehicle according to claim 1, wherein a side cover for closing a service work opening is detachably provided on an outer surface side of the side frame. 3. The industrial vehicle according to claim 1, wherein a side cover for closing an opening for service work is provided on the outer surface of the side frame so as to be openable and closable. 4. The industrial vehicle according to claim 2, wherein the side cover is divided in a vehicle longitudinal direction. 5. A hydraulic oil tank or a fuel tank is provided on the outer surface of the side frame so as to protrude, an electric component is placed on the upper surface of the tank, and the electric component is used to close an opening for service work. The industrial vehicle according to claim 2, wherein the industrial vehicle is covered by a side cover.