JPH07127096A - Turning type excavating work vehicle - Google Patents

Abstract

PURPOSE:To enable work to be effected by entering an alley or even a narrower passage. CONSTITUTION:A fuel tank 3 is arranged on a radiator R of an engine E arranged in the rear of an operation seat 15, and an operating oil tank 4 is vertically arranged in front of the fuel tank 3, and an air exhaust duct D of the radiator R is constituted between an under surface of the fuel tank 3 and a rear surface of the operating oil tank 4. The fuel tank 3 is arranged on the side of the operation seat 15, and the operating oil tank 4 is arranged over to the front from below the fuel tank 3, and a recessed part 4a is constituted in a rear upper part of the operating oil tank 4. A front end part of the fuel tank 3 is fitted in the recessed part 4a, and the fuel tank 3 and the operating oil tank 4 are arranged above and below in a superposed condition. A drain hose 5 passing through the side of the operating oil tank 4 is suspended from the fuel tank 3 arranged above, and a drain cock 6 is arranged on the lower end of the drain hose 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a layout of a fuel tank and a hydraulic oil tank arranged inside a hood in a swing excavating work vehicle such as a backhoe.

[0002]

2. Description of the Related Art Conventionally, in a swing excavation work vehicle such as a backhoe, a fuel tank, a hydraulic oil tank, and a radiator have been arranged at positions separated from each other. Therefore, the engine, the fuel tank, and the hydraulic oil tank occupy their respective places inside the bonnet, and therefore the bonnet cannot be made small, and the bonnet cannot be made small. It was not possible to reduce the turning radius when working on the excavated part of the car.

[0003]

SUMMARY OF THE INVENTION According to the present invention, the bonnet has a circular shape in order to provide a swivel excavation work vehicle which can enter an open field or a narrower passage and turn the excavation section 360 degrees. The diameter should be as small as possible.
For this reason, in the present invention, the radiator, the fuel tank, and the hydraulic oil tank, which are conventionally arranged separately, are provided with a correlation with each other and are arranged in an overlapping state.

[0004]

The problems to be solved by the present invention are as described above. Next, the means for solving the problems will be described. That is, in the turning excavation work vehicle,
The radiator R of the engine E arranged behind the driver's seat 15
The fuel tank 3 is disposed on the top of the fuel tank 3, and the hydraulic oil tank 4 is disposed at the front of the fuel tank 3 in the vertical direction. The radiator R is provided between the lower surface of the fuel tank 3 and the rear surface of the hydraulic oil tank 4. The exhaust duct D of FIG.

Further, in the swing excavation work vehicle, the fuel tank 3 is arranged on the side of the driver's seat 15, and the hydraulic oil tank 4 is arranged so as to hang from below the fuel tank 3 to the front. A recess 4a is formed in the upper rear part of the
The front end portion of the fuel tank 3 is fitted in and the fuel tank 3 and the hydraulic oil tank 4 are vertically overlapped.

Further, in the swing excavation work vehicle, a drain hose 5 passing through a side of the hydraulic oil tank 4 is hung from a fuel tank 3 arranged at the upper part, and the drain hose 5 is provided.
The drain cock 6 is provided at the lower end of the.

[0007]

[Operation] Next, the operation will be described. That is, conventionally, each of the fuel tank 3, the hydraulic oil tank 4, and the radiator R required a space, but in the case of the present invention, the fuel tank 3
By arranging the radiator R and the radiator R vertically, the bonnet 22 can be constructed to have a small diameter, and the turning radius of the turning working unit can be reduced. Further, since the member forming the exhaust duct D of the radiator R can be used as both the lower surface of the fuel tank 3 and the rear surface of the hydraulic oil tank 4, the cost can be reduced.

Further, since the notch recess 4a is provided in the upper rear part of the hydraulic oil tank 4, the volume of the hydraulic fluid in this portion is smaller than that in the case where the hydraulic oil is contained, and the volume of this portion is large. Is cut off to make the volume of the fuel tank 3, and the compact arrangement of both tanks can be configured without reducing the capacity of the fuel tank 3 and the capacity of the hydraulic oil tank 4 so much. done.

Further, since the lower portion of the fuel tank 3 is arranged toward the portion of the exhaust duct D of the radiator R, it is difficult to remove the drain, but the drain hose 5 is provided to extend downward. Since the drain cock 6 is provided at the lower end thereof, the drain from the fuel tank 3 is not scattered inside the exhaust duct D, and the drain cock 6 can be operated also by putting a hand on the exhaust duct D. Made it easier.

[0010]

1 is a left side view of a swing excavation work vehicle of the present invention, FIG. 2 is a right side view of the same swing excavation work vehicle, FIG. 3 is a rear view of the same swing excavation work vehicle, and FIG. Similarly, a plan view of the swing excavation work vehicle, FIG. 5 is a plan view showing the arrangement of the radiator R, the fuel tank 3, and the hydraulic oil tank 4, and FIG. 6 is a plan view of the radiator R, the fuel tank 3, the hydraulic oil tank 4, and the exhaust duct D.
Is a rear view showing the arrangement, and FIG. 7 is a right side view showing the arrangement of the hydraulic oil tank 4, the fuel tank 3, and the radiator R.

[0011]

EXAMPLES Next, examples will be described. Figure 1, Figure 2, Figure 3,
In FIG. 4, the overall structure of the turning excavation work vehicle will be described. The soil discharging plate 13 is vertically arranged between the crawler type traveling devices 14. Further, a swivel base bearing 16 is arranged in the center of the crawler type traveling device 14, and a swivel frame 19 is arranged on the swivel base bearing 16. The swivel frame 1
A main boom 18 is erected on the front part of 9, and a bucket arm 17 is pivotally supported at the tip of the main boom 18.
The bucket 10 is pivotally supported at the tip of the bucket arm 17.

The operation column 2 is provided at the rear of the main boom 18.
5 is provided upright, two operation levers 26 and 27 are projected in the central portion of the operation column 25, and two operation pedals are provided on the lower left and right sides of the operation column 25. Manipulating the arm 17 and bucket. A safety guide 26 is provided upright around the operation column 25. Step 2 on the back of the operating column 25
A driver's seat 15 is arranged with a space between them. A handrail 24 is arranged on the right side of the driver's seat 15, and a hydraulic oil tank 4, a fuel tank 3 and a radiator R are arranged inside the bonnet 22 on the right side of the driver's seat 15. An engine E is arranged inside the hood 22 at the rear of the driver's seat 15.

A canopy base 1 is provided at the rear of the driver's seat 15.
2 is arranged, and the canopy 11 is projected from the canopy base 12 to a position above the driver's seat 15.
In addition, a handle 2 is provided on the hood 22 on the right side of the driver's seat 15.
3 are arranged. In addition, the bonnet 22 is the driver's seat 15
The portion projecting to the right of is formed as a cutout portion b, and this portion is used as an auxiliary entrance / exit opening a. The main entrance / exit c is located on the left side of the driver's seat 15. However, when the main entrance / exit c is closed due to a small open field or the like, it is possible to get on / off from the auxiliary entrance / exit a. As shown in FIGS. 1 and 2, the swivel motor 1 for rotating the swivel frame 19 around the swivel bearing 16 is arranged at a position where the step 2 is removed, and the swivel frame 1 is located below the swivel motor 1. It is shown protruding from 19.

As shown in FIG. 2, the radiator grille 20 for discharging the exhaust air from the radiator R, which constitutes the essential part of the present invention, to the outside of the bonnet 22 is attached to the right side surface of the bonnet 22. There is. Also bonnet 22
An inspection lid 21 is provided on the rear surface of the rear portion to facilitate repair and inspection of the engine portion.

Next, description will be given with reference to FIGS. 5, 6 and 7.
In the present invention, the engine E having the right side positioned at the front and the left side positioned at the rear is diagonally arranged inside the bonnet 22 arranged on the right side surface on the rear side of the driver's seat 15. A radiator fan F and a radiator R are provided on the right side of the engine E, and an exhaust duct D is formed on the right side of the radiator R. The front portion of the exhaust duct D is also used as the rear surface of the hydraulic oil tank 4, the upper portion of the exhaust duct D is also used as the lower surface of the fuel tank 3, and the rear portion is provided with the rear surface wall 30. The exhaust air from the exhaust duct D is emitted from the radiator grille 20.
Is discharged to the outside.

In the structure described above, as shown in FIG. 6, the lower surface of the fuel tank 3 is formed with a cut recess 3a in a rear view, and the radiator R is placed in the cut recess 3a. ing. In addition, as shown in a side view in FIG. 7, the notch recess 4a is also formed on the upper rear surface of the hydraulic oil tank 4.
And the front portion of the fuel tank 3 is arranged so as to overlap with the cut recess 4a. That is, the radiator R and the fuel tank 3 are vertically overlapped with each other, and the fuel tank 3 and the hydraulic oil tank 4 are vertically overlapped with each other. Further, as shown in FIG. 7, it is difficult to dispose the drain hose 5 and the drain cock 6 from the fuel tank 3 arranged on the upper side.
A drain hose 5 that passes through the inside of the exhaust duct D is hung from the lower part of the drain hose, and a drain cock 6 is provided at the lower end of the drain hose 5 so that the drain cock 6 can be easily operated from the outside. is doing.

[0017]

Since the present invention is configured as described above, it has the following effects. That is, in the swing excavation work vehicle as claimed in claim 1, the fuel tank 3 is placed on the radiator R of the engine E arranged behind the driver's seat 15.
And a hydraulic oil tank 4 is arranged in the front and the bottom of the fuel tank 3, and the exhaust duct D of the radiator R is formed between the lower surface of the fuel tank 3 and the rear surface of the hydraulic oil tank 4. Therefore, conventionally, since the fuel tank 3 and the radiator R were separately arranged inside the bonnet, each required a space, but in the case of the present invention,
By arranging the fuel tank 3 and the radiator R so as to overlap with each other in the vertical direction, the bonnet 22 can be configured to have a small diameter and the turning radius of the turning working unit can be reduced. Further, since the lower surface of the fuel tank 3 and the rear surface of the hydraulic oil tank 4 can be used as a member forming the exhaust duct D of the radiator R, the cost can be reduced.

According to a second aspect of the present invention, in the swing excavation work vehicle, the fuel tank 3 is arranged beside the driver's seat 15, and the hydraulic oil tank 4 is arranged so as to hang from below the fuel tank 3 to the front. A recess 4a is formed in the upper rear part of the hydraulic oil tank 4,
Since the front end portion of the fuel tank 3 is fitted in the recess 4a and the fuel tank 3 and the hydraulic oil tank 4 are vertically overlapped, the cut recess 4a is provided in the upper rear portion of the hydraulic oil tank 4. Since the amount of hydraulic oil is less and it is often an air layer, the volume of this portion is cut off to be the volume of the fuel tank 3, and the capacity of the fuel tank 3 is not reduced. Further, the capacity of the hydraulic oil tank 4 did not decrease so much, and a compact arrangement of both tanks could be constructed.

According to a third aspect of the present invention, in the swing excavation work vehicle, from the fuel tank 3 arranged at the upper part to the hydraulic oil tank 4
Since the drain hose 5 passing through the side of the drain hose is vertically provided and the drain cock 6 is provided at the lower end of the drain hose 5, the fuel tank 3 is directed toward the exhaust duct D of the radiator R.
Since the lower part of the fuel tank 3 is arranged, it is difficult to remove the drain.However, since the drain hose 5 is installed along the lower part and the drain cock 6 is provided at the lower end of the drain hose 5, the drain from the fuel tank 3 is drained. The drain cock 6 is not scattered inside the wind duct D, and the drain cock 6 can be easily operated by putting a hand in the wind exhaust duct D.

[Brief description of drawings]

FIG. 1 is a left side view of a swing excavation work vehicle of the present invention.

FIG. 2 is a right side view of the turning excavation work vehicle.

FIG. 3 is a rear view of the turning excavation work vehicle.

FIG. 4 is a plan view of the turning excavation work vehicle.

FIG. 5: Radiator R, fuel tank 3, hydraulic oil tank 4
FIG.

FIG. 6 Radiator R, fuel tank 3, hydraulic oil tank 4
The rear view which shows the arrangement of the exhaust duct D.

FIG. 7 is a hydraulic oil tank 4, a fuel tank 3, and a radiator R.
Right side view showing the arrangement of FIG.

[Explanation of symbols]

 3 Fuel Tank 4 Hydraulic Oil Tank 3a, 4a Notch Recess 5 Drain Hose 6 Drain Cock E Engine R Radiator F Radiator Fan

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[Procedure amendment]

[Submission date] January 10, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction content]

Next, examples will be described. 1, 2 and 3
-In FIG. 4, the whole structure of a turning excavation work vehicle is demonstrated. The soil discharging plate 13 is vertically arranged between the crawler type traveling devices 14. Further, a swivel base bearing 16 is arranged in the center of the crawler type traveling device 14, and a swivel frame 19 is arranged on the swivel base bearing 16. A main boom 18 is erected on the front part of the revolving frame 19, and a bucket arm 17 is pivotally supported at the tip of the main boom 18. The bucket 10 is pivotally supported at the tip of the bucket arm 17.

Claims (3)

[Claims] 1. A driver's seat 15 in a swing excavation work vehicle.
The fuel tank 3 is arranged on the radiator R of the engine E arranged at the rear of the fuel tank 3, and the hydraulic oil tank 4 is arranged at the front of the fuel tank 3 so as to extend vertically, and the lower surface of the fuel tank 3 and the hydraulic oil tank are arranged. A swivel excavation work vehicle characterized in that an exhaust duct D of a radiator R is formed between the rear surface and the rear surface of No. 4. 2. A driver's seat 15 in a turning excavation work vehicle.
A fuel tank 3 is disposed on the side of the fuel tank 3, and a hydraulic oil tank 4 is disposed so as to hang from below the fuel tank 3 to the front. A concave portion 4a is formed in an upper rear portion of the hydraulic oil tank 4, and a fuel is stored in the concave portion 4a. A swivel excavation work vehicle in which a front end portion of a tank 3 is fitted and a fuel tank 3 and a hydraulic oil tank 4 are vertically overlapped. 3. The swivel excavation work vehicle according to claim 2, wherein the fuel tank 3 disposed at the upper part to the hydraulic oil tank 4 are disposed.
A draining hose 5 passing through the side of the drain hose 5 is vertically provided, and a drain cock 6 is provided at a lower end of the drain hose 5.