JP2002180497A - Construction machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance workability during the operation of feeding oil to a fuel tank. SOLUTION: A hose storage cylinder 31 for storing a fuel suction hose 30 being extended is provided on the right side face portion 23E4 of a right side frame 23E which constitutes a turning frame 23, and an operating switch 34 for an oil feed pump 28 is provided near the hose storage cylinder 31. Thus, the need for the operation of disentangling the hose 30 taken out of the storage cylinder 31 during oil feeding operation and the operation of storing the hose 30 being wound after the oil feeding operation can be eliminated and workability for the oil feeding operation can be enhanced. The operation of moving the hose 30 into and out of the storage cylinder 31, the operation of moving the hose 30 into and out of a drum can 18 storing fuel, and the operation of the operating switch 34 for the pump 28 can be carried out at one position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction machine such as a hydraulic shovel and a hydraulic crane, and more particularly to a construction machine having a fuel supply pump for supplying fuel to a fuel tank.

[0002]

2. Description of the Related Art Generally, a vehicle body of a construction machine such as a hydraulic shovel or a hydraulic crane comprises a self-propelled lower traveling body and an upper revolving body rotatably provided on the lower traveling body. A work device is provided on the body so as to be able to move up and down.

A large-sized hydraulic excavator will be described as an example of this kind of conventional construction machine with reference to FIGS. 7 and 8. FIG.

In FIG. 1, reference numeral 1 denotes a body of a hydraulic shovel, which is generally constituted by a crawler type lower traveling body 2 and an upper revolving body 3 mounted on the lower traveling body 2 so as to be capable of turning. A working device (not shown) for excavating earth and sand is provided on the front side of the upper revolving unit 3 so as to be able to move up and down.

[0005] The upper revolving unit 3 is provided with a revolving frame 4.
A cab 5 provided on the front left side of the revolving frame 4 and defining a driver's cab, a building cover 7 provided on the revolving frame 4 at a rear side of the cab 5 and containing the engine 6 and the like; The revolving frame 4 is located behind the building cover 7.
And a counter weight 8 provided on the rear end side.

As shown in FIG. 8, the revolving frame 4 is located at a central portion in the left and right directions and extends forward and backward, and a left and right direction from the center frame 4A. Multiple left overhanging beams 4B
And a plurality of right overhanging beams 4C which also extend leftward and rightward from the center frame 4A, and each overhanging beam 4C.
B, the left side frame 4D fixed to the overhanging end and extending forward and backward, and the right side frame 4 fixed to the overhanging end of each overhanging beam 4C and extending forward and backward.
With E, it has a strong frame structure.

Reference numeral 9 denotes a fuel tank mounted on the revolving frame 4 at a position in front of the building cover 7.
Is formed in a substantially rectangular parallelepiped box shape and stores fuel supplied to the engine 6. And the fuel tank 9
As shown in FIG. 8, it is disposed above the overhang beam 4C and the right side frame 4E that constitute the turning frame 4. A fuel supply port 10 for supplying fuel using a fuel supply pump 13 described later is provided in the left side surface portion 9A of the fuel tank 9.

Reference numeral 11 denotes a tool box provided on the revolving frame 4 adjacent to the front side of the fuel tank 9. The tool box 11 includes a greasing device, tools and the like (neither is shown). , A refueling pump 13 and a fuel suction hose 16 to be described later are stored.

Reference numeral 12 denotes a fuel supply device for supplying fuel into the fuel tank 9. The fuel supply device 12 includes a fuel supply pump 13, a fuel discharge pipe 15, and a fuel suction hose 16 described later.
And the like.

Reference numeral 13 denotes a refueling pump fixedly provided in the tool box 11.
Is operated by power supply from a battery (not shown), for example, sucks fuel in a drum 18 described later through a fuel suction hose 16 and discharges the fuel into the fuel tank 9 through a fuel discharge pipe 15. It is.

Reference numeral 15 denotes a fuel discharge pipe having one end connected to the discharge side of the refueling pump 13. The other end of the fuel discharge pipe 15 extends rearward along the left side surface 9A of the fuel tank 9, and 9 is connected to a fuel supply port 10.

Reference numeral 16 denotes a fuel suction hose having one end connected to the suction side of the refueling pump 13.
Is made of, for example, a flexible rubber hose, and the other end is a free end. The fuel suction hose 16 is wound around a hose reel 17 or the like when the fuel tank 9 is not to be refueled.
When the fuel tank 9 is refueled, it is pulled out of the tool box 11 and inserted into the drum can 18 at the free end.
It sucks the fuel inside.

The hydraulic excavator according to the prior art has the above-described configuration. Hereinafter, a refueling operation of supplying fuel to the fuel tank 9 of the excavator using the fuel supply device 12 will be described.

First, after the vehicle body 1 is stopped near the drum 18 storing the fuel, the operator gets on the upper swing body 3, opens the lid of the tool box 11, and is wound on the hose reel 17. The fuel suction hose 16 is pulled out of the tool box 11 while being loosened.

Next, the operator inserts the distal end side of the fuel suction hose 16 into the drum 18 and then gets on the upper swing body 3 again, operates the operation switch 14 and operates the refueling pump 13. As a result, the fuel in the drum can 18 is sucked into the fuel pump 13 through the fuel suction hose 16 and discharged into the fuel tank 9 through the fuel discharge pipe 15.

After the fuel in the drum 18 has been supplied into the fuel tank 9, the operator operates the operation switch 14 to stop the refueling pump 13 and the fuel suction hose 1
6 is withdrawn from the drum 18.

Next, the operator gets on the upper swing body 3 three times, winds the fuel suction hose 16 around the hose reel 17 or the like, stores it in the tool box 11, and closes the lid of the tool box 11. Thereby, the refueling operation into the fuel tank 9 is completed.

[0018]

However, in the above-described prior art, the fuel suction hose 16 of the fuel supply device 12 is stored in the tool box 11. For this reason, at the time of refueling work, it is necessary to unwind the fuel suction hose 16 from the hose reel 17 and draw it out from the tool box 11, and after the refueling work, wind the fuel suction hose 16 around the hose reel 17 and store it in the tool box 11. There is a fuel suction hose 1
6 is very complicated to handle, so that there is a problem that the workability of the refueling operation is reduced.

Since the operation switch 14 for operating the oil supply pump 13 is provided in the tool box 11 together with the oil supply pump 13, it is necessary for the operator to step on the upper rotating body 3 every time the operation switch 14 is operated. Yes, there is a problem that they are easily fatigued.

Further, when the fuel suction hose 16 is stored in the tool box 11, the fuel adhering to the fuel suction hose 16 adheres to the greasing device and tools stored in the tool box 11. There is a problem that these are stained.

Further, for example, when dirt such as grease adheres to the greasing device in the tool box 11 and the dirt adheres to the fuel suction hose 16, when the fuel is supplied, the fuel suction hose 16
There is a problem that dirt adhering to the fuel tank enters the fuel tank 9 together with the fuel.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to provide a construction machine capable of improving workability in refueling a fuel tank.

[0023]

According to a first aspect of the present invention, there is provided a vehicle body having an engine, a fuel tank provided in the vehicle body and storing fuel supplied to the engine. A refueling pump provided on the vehicle body to supply fuel to the fuel tank, a fuel discharge pipe connecting between a discharge side of the refueling pump and the fuel tank,
In a construction machine having one end connected to the suction side of the refueling pump and a fuel suction hose for sucking fuel from the other end that is a free end, the fuel suction hose is extended on a side surface of the vehicle body. It is characterized in that a hose storage tube for storing in a state is provided.

With this configuration, the fuel suction hose can be stored in the hose storage cylinder in an extended state. Therefore, it is necessary to store the fuel suction hose in a wound state using a hose reel or the like. Disappears. For this reason, when removing the fuel suction hose at the time of refueling work, the work of unwinding and loosening the fuel suction hose and the work of winding the fuel suction hose after the refueling work can be omitted, and the workability of the refueling work can be improved.

According to a second aspect of the present invention, an operation switch for operating the refueling pump is provided on the side surface of the vehicle body near the hose storage tube.

With this configuration, the operator takes out the fuel suction hose from the hose storage tube, inserts the fuel suction hose into a container such as a drum in which the fuel is stored, and does not leave the fuel suction hose. The operation switch can be easily operated to operate the oil supply pump.

According to a third aspect of the present invention, the hose accommodating cylinder is constituted by a cylinder extending in the length direction along the side surface of the vehicle body from the vicinity of the fuel tank. The present invention has a configuration in which a hose outlet for inserting and removing the fuel suction hose is provided at a position in the middle of the length direction.

With this configuration, it is not necessary to forcibly bend the fuel suction hose when moving the fuel suction hose in and out of the hose storage tube through the hose outlet, so that the fuel suction hose can be moved in and out. Can be done quickly.

According to a fourth aspect of the present invention, a vehicle includes a lower traveling body capable of self-propelling, and an upper revolving body mounted on the lower traveling body and provided with an engine and a fuel tank on a revolving frame. The storage cylinder and the operation switch are provided on the side surface of the revolving frame constituting the upper revolving unit.

With this configuration, the hose storage tube and the operation switch can be arranged at a position relatively low from the ground, so that the operator can remove the fuel suction hose from the hose storage tube. The work of putting in and out, and the operation of operating and stopping the refueling pump by operating the operation switch can be easily performed from the ground.

According to a fifth aspect of the present invention, the vehicle body comprises a self-propelled lower traveling body and an upper revolving body mounted on the lower traveling body and provided with an engine and a fuel tank on a revolving frame. The frame includes a center frame located at the center in the left and right directions and extending forward and rearward, a beam extending left and right from the center frame, and a frame provided at an end of the beam on the projecting side. The fuel pump is located below the fuel tank between the center frame and the side frame, and the hose storage tube and the operation switch are located on the side of the side frame. The configuration is provided.

[0032] With this configuration, the space for storing the equipment in the tool box is increased as compared with the case where the fuel pump is provided in the tool box, for example, because the fuel pump is provided below the fuel tank. be able to.

[0033]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a fuel supply device for a construction machine according to the present invention will be described in detail with reference to FIGS. I do. In the present embodiment, the same components as those in the above-described related art are denoted by the same reference numerals, and description thereof will be omitted.

In the figure, reference numeral 21 denotes a body of a hydraulic shovel. The body 21 is generally constituted by a crawler type lower traveling body 2 and an upper revolving body 22 which is rotatably provided on the lower traveling body 2. On the front side of the upper revolving unit 22, a working device (not shown) for excavating soil and the like is provided so as to be able to move up and down. And the upper rotating body 22
It comprises a later-described turning frame 23, cab 5, building cover 7, counterweight 8, and the like.

Reference numeral 23 denotes a revolving frame which forms the base of the upper revolving unit 22, and the revolving frame 23 is used in the present embodiment instead of the revolving frame 4 according to the prior art.
Here, the turning frame 23 is, as shown in FIG.
A center frame 23A that is located at the center in the right direction and extends forward and backward, a plurality of left overhanging beams 23B that extend leftward and rightward from the center frame 23A, and a leftward and rightward direction similarly from the center frame 23A. A plurality of right overhanging beams 23C, and each overhanging beam 23B
The left side frame 23D fixed to the overhanging end of the front beam and extending in the forward and rearward directions, and the right side frame 23E fixed to the overhanging end of each overhanging beam 23C and extending forward and rearward. It is constructed with a simple frame structure.

Here, the right side frame 23E is shown in FIG.
As shown in the figure, the upper surface portion 23E1, the lower surface portion 23E2, the left side portion 23E3, and the right side portion 23E4 are each formed of a rectangular cylinder having a rectangular cross section. The fuel tank 9 and the tool box 11 are disposed adjacent to the front side and the rear side above the right side frame 23E and the overhanging beam 23C.

Reference numeral 24 denotes a cylindrical hose insertion pipe fixed by welding or the like to a middle portion in the front and rear directions of the right side frame 23E located below the fuel tank 9. The hose insertion pipe 24 is shown in FIG. As shown in FIG. 4, the right side frame 23E is moved from the left side surface 23E3 of the right side frame 23E.
The fuel suction hose 30, which extends in the left and right directions over E4, is inserted therethrough.

Numeral 25 denotes a pump mounting bracket which is provided near the hose insertion pipe 24 and is provided on the left side surface portion 23E3 of the right side frame 23E. The pump mounting bracket 25 is for mounting a refueling pump 28 described later. . The pump mounting bracket 25 is, for example, L
The right side frame 23E is fixed to the left side surface 23E3 using bolts 26, and is disposed below the fuel tank 9.

Reference numeral 27 denotes a fuel supply device mounted on the upper revolving unit 22. The fuel supply device 27 includes a fuel pump 2 described later.
8, a fuel discharge hose 29, a fuel suction hose 30, a hose storage tube 31, and the like.

Numeral 28 denotes a refueling pump mounted on a pump mounting bracket 25. The refueling pump 28 is operated by operating an operation switch 34, which will be described later, so that fuel sucked through a fuel suction hose 30 is supplied to a fuel discharge hose. 2
The fuel is discharged into the fuel tank 9 through the fuel tank 9. Here, the refueling pump 28 is configured to be disposed on the lower side of the fuel tank 9 without being stored in the tool box 11 by being mounted on the pump mounting bracket 25.

Reference numeral 29 denotes a fuel discharge hose as a fuel discharge pipe having one end connected to the discharge side of the oil supply pump 28. The fuel discharge hose 29 is constituted by, for example, a flexible rubber hose or the like. And the fuel discharge hose 2
The other end of the fuel tank 9 extends from the lower side of the fuel tank 9 to the left side surface 9A, is bent upward along the left side surface 9A, and is connected to the fuel supply port 10 of the fuel tank 9.

Numeral 30 denotes a fuel suction hose having one end connected to the suction side of the refueling pump 28.
Is composed of, for example, a flexible rubber hose or the like. Here, the other end of the fuel suction hose 30 is led out from the left side portion 23E3 side of the right side frame 23E to the right side portion 23E4 side through the hose insertion pipe 24, and further, a hose insertion hole 31B of the hose storage tube 31 described later. Is drawn out of the revolving frame 23.
The fuel suction hose 30 drawn out of the revolving frame 23 is configured to be stored in a hose storage tube 31.

Reference numeral 31 denotes a hose storage tube provided to extend in the length direction (front and rear directions) along the right side surface portion 23E4 of the right side frame 23E.
The front side is formed in the vicinity of the fuel tank 9, and the rear side is formed by a long cylindrical body extending to the rear side (near the counterweight 8) of the upper revolving unit 22, and stores the fuel suction hose 30 in an extended state. Things. As shown in FIG. 5, for example, a plurality of U-shaped fixing bands 32, 32,... Are mounted on the outer peripheral side of the hose storage tube 31, and these fixing bands 32 are attached to the right side frame using bolts 33. By being fixed to the right side surface portion 23E4 of the right side frame 23E, the right side frame 23E extends frontward and rearward from the front and rear central portions toward the rear end side. In this case, the hose housing cylinder 31 is provided on the right side frame 23E of the turning frame 23.
, So that it is arranged at a height position on the ground floor where an operator can reach.

Here, the hose housing cylinder 31 is formed with a long-hole-shaped hose inlet / outlet 31A for inserting and removing the fuel suction hose 30 from the front side near the fuel tank 9 to an intermediate part in the length direction. Have been. A hose insertion hole 31B through which the fuel suction hose 30 is inserted is formed in a portion of the hose storage tube 31 corresponding to the hose insertion pipe 24 provided in the right side frame 23E.

Therefore, the fuel suction hose 30 can be connected to the hose inlet / outlet 31A without winding it up using a hose reel or the like.
Through the hose housing tube 31 so that it can be moved in and out while being extended.

Reference numeral 34 denotes an operation switch for the oil supply pump 28 provided on the right side portion 23E4 of the right side frame 23E located at the front side of the hose storage tube 31. The operation switch 34 is, for example, as shown in FIG. Right side frame 2
It is connected to the refueling pump 28 via a cable 35 inserted through a small hole 23E5 formed in the left side surface 23E3 of 3E. In this case, the operation switch 34 is located near the hose storage tube 31 and attached to the right side frame 23 </ b> E of the turning frame 23, so that the operation switch 34 is located at a height above the ground where the worker can reach.

The hydraulic shovel according to the present embodiment includes the fuel supply device 27 as described above. Hereinafter, a refueling operation using the fuel supply device 27 will be described.

First, as shown in FIG. 6, for example, the vehicle body 21 is caused to travel toward the drum 18 storing fuel, and the vehicle body 2 is moved to a position where the operation switch 34 is brought close to the drum 18.
Stop 1

Next, the worker places the hose storage tube 3 on the ground.
1 is reached, and the fuel suction hose 30 is removed from the hose outlet 31A of the hose storage tube 31. In this case, the fuel suction hose 30 is extended in advance, and
The hose inlet / outlet 31A is formed in the shape of a long hole extending in the length direction of the hose storage tube 31, so that the fuel suction hose 30 is extended outside the hose storage tube 31. Can be removed quickly and easily.

After inserting the tip end of the fuel suction hose 30 into the drum 18, the operator operates the operation switch 34.
To operate the oil supply pump 28. This allows
The fuel in the drum can 18 is sucked into the fuel pump 28 through the fuel suction hose 30 and discharged into the fuel tank 9 through the fuel discharge hose 29.

In this case, since the operation switch 34 is provided in the right side portion 23E4 of the right side frame 23E in the vicinity of the hose housing tube 31, the operator can move away from the fuel suction hose 30 and the drum can 18. The user can easily operate the operation switch 34 without the need.

After the fuel in the drum 18 has been supplied into the fuel tank 9, the operator operates the operation switch 34 to stop the refueling pump 28 and the fuel suction hose 3
By retrieving 0 from the drum 18 and storing it in the hose storage tube 31, the refueling operation is completed.

In this case, the worker is required to
Can be stored in the hose storage cylinder 31 through the hose inlet / outlet 31A while the hose is extended. Therefore, there is no need to perform a complicated operation of winding the fuel suction hose 30 using, for example, a hose reel or the like. The storing operation of the hose 30 can be performed quickly and easily.

Thus, according to the present embodiment, the hose storage cylinder 31 for storing the fuel suction hose 30 in an extended state is provided on the right side surface 23E4 of the right side frame 23E constituting the revolving frame 23. Therefore, it is not necessary to store the fuel suction hose 16 in the tool box 11 in a state of being wound around the hose reel 17 or the like, for example, as in the related art.

For this reason, during the refueling operation, the fuel suction hose 3
The work of unraveling 0 and the work of winding the fuel suction hose 30 after the refueling work can be omitted, and the workability of the refueling work can be improved. Further, since the fuel suction hose 30 can be stored in the extended state, the fuel suction hose 30 does not bend and the handling of the fuel suction hose 30 can be performed more easily. Further, the greasing device and tools (both not shown) stored in the tool box 11 are contaminated with the fuel adhering to the fuel suction hose 30, and dirt such as grease adhering to the greasing device is removed from the fuel suction hose. It is possible to reliably prevent the fuel from being mixed into the fuel in the fuel tank 9 through the fuel cell 30.

Further, since the operation switch 34 for the oil supply pump 28 is provided on the right side portion 23E4 of the right side frame 23E in the vicinity of the hose storage tube 31, the fuel suction hose 30 is inserted into and out of the hose storage tube 31. , The operation of connecting and disconnecting the fuel suction hose 30 to and from the drum 18 storing fuel, and the operation of operating the operation switch 34 of the refueling pump 28 can be performed at one place. For this reason,
A series of refueling operations can be performed quickly and efficiently, and the fatigue of the operator during refueling operations can be reduced.

Further, since the hose accommodating tube 31 is provided with a long hole-shaped hose access port 31A extending in the length direction, the fuel suction hose 30 can be easily inserted through the hose access port 31A without forcibly bending the hose. It can be taken in and out of the hose storage tube 31.

Further, since the fuel pump 28 is disposed below the fuel tank 9 by using the pump mounting bracket 25 fixed to the left side portion 23E3 of the right side frame 23E, for example, the fuel pump 13 is Tool box 1
1, the space for storing the devices in the tool box 11 can be increased.

In the above-described embodiment, the case where the hose housing cylinder 31 and the operation switch 34 are mounted on the side surface of the right side frame 23E constituting the revolving frame 23 has been described as an example. It is not limited to
For example, it may be configured to be mounted on the side surface of the left side frame 23D, or may be configured to be mounted on the lower side of the building cover 7 or the like.

Further, in the above-described embodiment, the case where the hose housing cylinder 31 is constituted by a cylindrical body having a circular cross section has been described as an example. However, the present invention is not limited to this, and for example, a rectangular cylindrical body having a rectangular cross section is used. The hose accommodating tube may be formed by using a channel steel having a U-shaped cross section, a channel steel having a semi-arc-shaped cross section, or the like.

In the above-described embodiment, the hose housing cylinder 31 extends from the vicinity of the fuel tank 9 to the rear side of the upper swing body 22, but the present invention is not limited to this.
For example, a configuration extending from the vicinity of the fuel tank 9 to the front side of the upper swing body 22 may be adopted.

In the above-described embodiment, the fuel discharge pipe connecting the discharge side of the fuel supply pump 28 and the fuel supply port 10 of the fuel tank 9 is made of a flexible rubber hose or the like. Although the case where the hose 29 is used has been described as an example, the present invention is not limited to this. For example, a pipe made of a steel pipe or the like may be used.

In the above-described embodiment, a hydraulic shovel is taken as an example of a construction machine. However, the present invention is not limited to this, and can be applied to other construction machines such as a hydraulic crane.

[0064]

As described in detail above, according to the first aspect of the present invention, the hose storage cylinder for storing the fuel suction hose in an extended state is provided on the side surface of the vehicle body. There is no need to store the fuel suction hose in a wound state by using the same. For this reason, the work of loosening the fuel suction hose when taking out the fuel suction hose at the time of refueling work and the work of winding the fuel suction hose after the fueling work can be omitted, and the workability of the refueling work can be improved.

Further, as compared with the case where the fuel suction hose is stored in a tool box provided on the vehicle body, for example, the greasing device stored in the tool box is contaminated by the fuel attached to the fuel suction hose. In addition, it is possible to prevent dirt such as grease adhering to the greasing device from being mixed into the fuel tank through the fuel suction hose.

According to the second aspect of the present invention, the operation switch for operating the refueling pump is provided on the side surface of the vehicle body near the hose storage tube.
The operation of moving the fuel suction hose in and out of the hose storage tube, the operation of connecting and disconnecting the fuel suction hose to a container such as a drum storing fuel, and the operation of operating the operation switch for the refueling pump can be performed in one place. For this reason, a series of refueling work can be performed efficiently, and the fatigue of the worker during the refueling work can be reduced.

According to the third aspect of the present invention, the hose storage cylinder is constituted by a cylinder extending in the length direction from the vicinity of the fuel tank along the side surface of the vehicle body.
Since the hose inlet / outlet for taking in / out the fuel suction hose is provided from the vicinity of the fuel tank to the middle part in the length direction, when the fuel suction hose is taken in and out of the hose storage tube, the fuel suction hose is forcibly pulled out. There is no need to bend, and the work of putting the fuel suction hose in and out can be performed quickly.

According to the fourth aspect of the present invention, since the hose storage cylinder and the operation switch are provided on the side of the revolving frame constituting the upper revolving body of the vehicle body, the hose storage cylinder and the operation switch are provided. It can be arranged at a position relatively low from the ground. For this reason, the work of taking the fuel suction hose in and out of the hose storage cylinder and the work of operating and stopping the refueling pump by operating the operation switch can be performed safely and easily by ground work.

Further, according to the fifth aspect of the present invention, the revolving frame of the upper revolving body is located at the center in the left and right directions and extends forward and backward, and the left and right sides from the center frame. And a side frame provided at the end of the side of the projecting side of the beam and extending forward and rearward. The refueling pump is located between the center frame and the side frame and is provided with a fuel tank. Since the hose storage cylinder and the operation switch are provided on the side of the side frame, the oil storage pump is provided on the lower side of the fuel tank. As a result, it is possible to increase the space for storing equipment in the tool box.

[Brief description of the drawings]

FIG. 1 is a front view showing a hydraulic shovel according to an embodiment of the present invention with a working device removed.

FIG. 2 is a plan view showing the revolving frame in FIG. 1 with a fuel tank, a refueling pump, a hose storage tube, and the like attached thereto.

FIG. 3 shows a right side frame, a fuel tank, a refueling pump,
FIG. 3 is an enlarged cross-sectional view of a hose storage tube and the like, which is enlarged from a direction indicated by arrows III-III in FIG. 2.

FIG. 4 shows a right side frame, a fuel tank, a refueling pump,
FIG. 4 is an enlarged cross-sectional view of a hose storage tube and the like, which is enlarged from a direction indicated by arrows IV-IV in FIG. 3.

FIG. 5 is a perspective view showing a right side frame, a hose storage tube, a fuel suction hose, and the like.

FIG. 6 is a front view similar to FIG. 1, showing a state in which a fuel suction hose taken out of a hose storage tube is inserted into a drum.

FIG. 7 is a front view showing a hydraulic excavator according to the related art with a working device removed.

8 is a plan view showing the turning frame in FIG. 7 with a fuel tank, a refueling pump, and the like attached thereto.

[Explanation of symbols]

 2 Lower traveling body 6 Engine 9 Fuel tank 21 Body 22 Upper revolving body 23 Revolving frame 23A Center frame 23B, 23C Overhang beam (beam) 23D Left side frame 23E Right side frame 23E4 Right side part (side part) 28 Refueling pump 29 Fuel discharge Hose (fuel discharge line) 30 Fuel suction hose 31 Hose storage tube 31A Hose inlet / outlet 34 Operation switch

Claims (5)

[Claims] 1. A vehicle body provided with an engine, a fuel tank provided in the vehicle body for storing fuel supplied to the engine, a fuel pump provided in the vehicle body to supply fuel to the fuel tank, and a fuel tank A fuel discharge pipe connecting the discharge side of the pump and the fuel tank; and a fuel suction hose having one end connected to the suction side of the refueling pump and sucking fuel from the other end which is a free end. A construction machine, wherein a hose storage tube for storing the fuel suction hose in an extended state is provided on a side surface of the vehicle body. 2. The construction machine according to claim 1, wherein an operation switch for operating the oil supply pump is provided on a side surface portion of the vehicle body near the hose storage tube. 3. The hose storage cylinder is constituted by a cylinder extending in a length direction from a vicinity of the fuel tank along a side surface of the vehicle body, and has a length from the vicinity of the fuel tank. 3. The construction machine according to claim 1, wherein a hose outlet for inserting and removing the fuel suction hose is provided at an intermediate position in the direction. 4. The vehicle according to claim 1, wherein the vehicle body is a self-propelled lower traveling body,
An upper revolving unit provided with the engine and the fuel tank on a revolving frame mounted on the lower traveling unit,
4. The construction machine according to claim 1, wherein the hose housing cylinder and the operation switch are provided on a side surface of a revolving frame constituting the upper revolving unit. 5. 5. The vehicle according to claim 5, wherein the vehicle body is a self-propelled lower traveling body;
An upper revolving unit provided with the engine and the fuel tank on a revolving frame mounted on the lower traveling unit,
The revolving frame is provided at a center frame in the left and right directions and extending forward and rearward, a beam extending left and right from the center frame, and an end on the projecting side of the beam. The fuel tank is located between the center frame and the side frame and provided below the fuel tank, and the hose housing cylinder and the operation switch are
The construction machine according to claim 1, wherein the construction machine is configured to be provided on a side surface of the side frame.