JP2006205922A - Vehicle mounting type working machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle mounting type working machine, with small energy loss at a working field, becoming advantageous even in an aspect of improvement of machine life and working environment. <P>SOLUTION: A rotation body 7 is installed on a load-carrying platform 3 of a truck type vehicle 4 having a traveling operation room 2 through a rotation device 5 and a working operation room 9 is installed on the rotation body 7. Further, a working front 10 is mounted to the rotation body 7. A traveling engine 21 and a traveling fuel tank 22 are mounted on the vehicle 4. A working engine 24 and a working fuel tank 25 are mounted on the rotation body 7. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vehicle-mounted working machine in which a turning body is installed on a platform of a truck-type vehicle having a driver's cab via a turning device, a driver's cab is installed on the turning body, and a work front is attached. About.

  A turning body is installed via a turning device on the platform of a truck-type vehicle having a driving cab capable of traveling on a general road, and a work driving unit is mounted on the turning body and a work front is attached. For example, Patent Document 1 discloses a working machine. A work machine equipped with a work machine body (swivel device, operation unit and work front) on the platform of such a truck-type vehicle is used for road construction, water works, gas works and other construction work sites and work equipment. Since it can quickly return to and from the waiting place, it is suitable for construction with a relatively short required time.

  In this type of work machine, conventionally, a fuel tank and an engine are mounted on a vehicle, and hydraulic fluid generated by a hydraulic pump driven by the engine is supplied to a work front or a turn through a center joint provided in a turning device. It had the structure supplied to the hydraulic apparatus (hydraulic cylinder and hydraulic motor) installed on the body.

Japanese Utility Model Publication No. 6-12547

  As described above, the conventional vehicle-mounted work machine drives the hydraulic pump by the vehicle traveling engine, and supplies the hydraulic fluid boosted by the hydraulic pump to the hydraulic device of the work machine main body. Since the main body is operated, the vehicle running engine must be driven even during construction work.

  However, since the output required for the work is smaller than the output of the traveling engine, it is excessive equipment to use the traveling engine for work, energy loss is large, and the engine operates not only during traveling but also during work. Therefore, there is a problem of shortening the life of the engine.

  Also, at the work site, it is easy to cause noise damage to the neighborhood due to the operation of the traveling engine, and the exhaust gas is scattered from the muffler at the rear of the vehicle bed, that is, the lower part of the vehicle, so that workers working around the vehicle However, there is a problem that it is easy to receive health damage due to the exhaust gas.

  In view of the above problems, an object of the present invention is to provide a vehicle-mounted work machine that has a small energy loss at a work site and is advantageous in terms of improvement in machine life and work environment. Another object of the present invention is to provide a vehicle-mounted working machine having an advantageous configuration in terms of refueling convenience.

According to a first aspect of the present invention, there is provided a vehicle-mounted work machine in which a turning body is installed via a turning device on a loading platform of a truck-type vehicle having a driving cab, and a working cab is installed on the turning body. In a vehicle-mounted work machine with a front mounted,
The vehicle is equipped with a traveling engine and a traveling fuel tank,
A working engine and a working fuel tank are mounted on the revolving structure.

The vehicle-mounted work machine according to claim 2 is the vehicle according to claim 1,
The fueling port of the traveling fuel tank mounted on the vehicle and the fueling port in the posture of the working fuel tank mounted on the revolving structure when traveling on the vehicle are provided on either the left or right side of the vehicle. .

  In the invention of claim 1, a working engine and a working fuel tank are installed separately from the running engine and the running fuel tank on the turning body of the turning device installed on the loading platform. Since the output of the engine is smaller than that of the traveling engine, the work engine having the relatively small output can be used during the work. For this reason, energy loss during work is reduced, and the running engine is stopped during work, so that the total engine life can be extended.

  In addition, the work engine is stopped at the work site and the work engine with a relatively small output is operated, so that the problem of noise damage to the neighborhood can be solved. In the present invention, since the working engine is mounted on the revolving structure, the exhaust gas can be discharged upward, and health damage caused by the exhaust gas to workers working on the ground can occur. Can be reduced.

  According to the second aspect of the present invention, the refueling port of the traveling fuel tank mounted on the vehicle and the refueling port of the working fuel tank mounted on the revolving structure in the posture during traveling of the vehicle are provided on the left and right sides of the vehicle. Therefore, by stopping at the fueling station with the fueling port facing the fueling station, it is possible to supply fuel to the two fuel tanks while turning the vehicle to the same side without turning the vehicle.

  FIG. 1 is a side view showing an embodiment of a vehicle-mounted working machine according to the present invention, and FIG. 2 is a plan view thereof. This working machine mounts a working machine body 6 via a turning device 5 on a loading platform 3 in a truck-type vehicle 4 having a vehicle body 1 having wheels 1 a, a driving cab 2 and a loading platform 3. The work machine body 6 is provided with a work cab 9 and a work front 10 attached to the swivel body 7 of the swivel device 5. The working front 10 of this example is attached to a swinging body 7 with a horizontal swinging device 13 that horizontally swings a swinging frame 12 by a swinging cylinder 11, and a swing cylinder 12 that can be raised and lowered by a boom cylinder 14. The boom 15 includes an arm 17 that is rotatably attached to the tip of the boom 15 by an arm cylinder 16, and a bucket 20 that is rotatably attached to the tip of the arm 17 by a bucket cylinder 19.

  Reference numeral 21 denotes a traveling engine mounted below the traveling cab 2 in the vehicle body 1 of the vehicle 4, and reference numeral 22 denotes a traveling fuel tank mounted below the loading platform 3 in the vehicle body 1 of the vehicle 4. Reference numeral 23 denotes an oil supply port for supplying fuel to the traveling fuel tank 22, and the oil supply port 23 is provided on one side (right side in this example) of the vehicle.

  Reference numeral 24 denotes a work engine mounted below the work cab 9 in the swivel body 7, and reference numeral 25 denotes a work engine mounted on the side of the cab 9 in the swivel body 7 to supply fuel oil to the work engine 24. It is a fuel tank. Reference numeral 26 denotes an oil supply port for supplying oil to the working fuel tank 25. The oil supply port 26 is bent on the support frame 29 by bending the arm 17 as shown in FIG. In the loaded position, it is provided on the same side as the fuel filler 23 of the traveling fuel tank 22 (right side in this example).

  The working engine 24 includes a hydraulic motor used in the turning device 5, a hydraulic pump installed as a hydraulic source for the swing cylinder 11, the boom cylinder 14, the arm cylinder 16 and the bucket cylinder 19, a battery power source and a generator. Is to drive. An exhaust pipe 27 for exhausting the exhaust gas of the working engine 24 is configured to exhaust the exhaust gas upward at a position higher than the head of the worker.

  Thus, in the present invention, the working engine 24 and the working fuel tank are provided separately from the traveling engine 21 and the traveling fuel tank 22 on the turning body 7 of the turning device 7 installed on the loading platform 3 of the truck type vehicle 4. 25, and this working engine 24 requires a smaller output than the traveling engine 21, so that the working engine 24 having a relatively small output is used during the work. Can be done. For this reason, energy loss during the work is reduced, and the travel engine 21 is stopped during the work, so that the total engine life of the travel engine 21 can be extended.

  Further, since the work engine 21 is stopped and the work engine 24 having a relatively small output is operated at the work site, the problem of noise damage to the vicinity can be solved. In the present invention, since the working engine 24 is mounted on the revolving structure 7, the exhaust gas can be discharged upward by the exhaust pipe 27 provided on the revolving structure 7, and the work is performed on the ground. The occurrence of health damage due to exhaust gas to workers can be reduced.

  In addition, the fuel supply port 23 of the traveling fuel tank 22 mounted on the vehicle 4 and the fuel supply port 26 in the posture of the working fuel tank 25 mounted on the revolving structure 7 when the vehicle travels are provided on the left and right sides of the vehicle. By stopping at the fueling station with the fueling port facing the fueling station side, it is possible to supply fuel to the two fuel tanks while turning the vehicle toward the same side without turning the vehicle.

  In the present invention, the work front 10 attached to the revolving structure 7 includes a work front using an extendable arm in addition to the articulated arm. In addition to the bucket 20, other excavating tools, crushing tools, dismantling tools, gripping tools, or various working tools such as agricultural and horticultural tools can be used. Further, the fuel filler ports 23 and 26 may be provided on the left side of the vehicle 4.

1 is a side view showing an embodiment of a vehicle-mounted working machine according to the present invention. It is a top view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1a: Wheel, 1: Vehicle body, 2: Driving cab, 3: Loading platform, 4: Vehicle, 5: Turning apparatus, 6: Work machine main body, 7: Turning body, 9: Working cab, 10: Working Front: 11: Swing cylinder, 12: Swing frame, 13: Horizontal rocking device, 14: Boom cylinder, 15: Boom, 16: Arm cylinder, 17: Arm, 19: Bucket cylinder, 20: Bucket, 21: Traveling engine, 22: Traveling fuel tank, 23: Refueling port, 24: Working engine, 25: Working fuel tank, 26: Refueling port, 27: Exhaust pipe, 29: Support frame

Claims (2)

A vehicle-mounted work machine in which a turning body is installed on a platform of a truck-type vehicle having a traveling cab via a turning device, a working cab is installed on the turning body, and a work front is attached. In
The vehicle is equipped with a traveling engine and a traveling fuel tank,
A vehicle-mounted working machine comprising a working engine and a working fuel tank mounted on the revolving structure. In the vehicle-mounted work machine according to claim 1,
The fueling port of the traveling fuel tank mounted on the vehicle and the fueling port in the posture of the working fuel tank mounted on the revolving structure when traveling on the vehicle are provided on either the left or right side of the vehicle. Vehicle-mounted work machine.

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