JP5486040B2 - Self-propelled working machine - Google Patents

Description

The present invention relates to a self-propelled working machine in which a crushing work machine, a crushed stone sorting work machine and the like (hereinafter referred to as “work machine”) are mounted on a vehicle body provided with a running apparatus (for example, a crawler traveling apparatus or a wheel traveling apparatus). About.

Work machines installed at various civil engineering construction sites such as crushed stone construction sites and tunnel construction sites (hereinafter referred to as “off-road sites”) need to be moved according to the situation.
In order to cope with this, a self-propelled working machine is conventionally known (see Patent Document 1).

A conventional self-propelled working machine has a working machine mounted on a vehicle body provided with a traveling device, and a generator serving as a power source for the traveling device, the working machine, and an auxiliary device is mounted on the vehicle body.

JP 2011-25167 A

However, as in the past, when the generator is mounted on the vehicle body, the degree of freedom of installation is limited in space, so the generator must be installed near the work machine that generates dust, There are problems that the bathing causes the breakdown and trouble of the generator, and takes a lot of trouble for maintenance.

In the present invention, a working machine, a generator, and an outrigger are provided on a vehicle body provided with a traveling device, and attention is paid to the outrigger, and a generator is detachably attached thereto.
The main purpose of this is to make it possible to install the generator as far away from the work equipment as possible so as to eliminate the failure and trouble of the generator caused by exposure to dust. It is an object of the present invention to provide a self-propelled working machine that can be lifted and moved without hindrance.

In order to solve the above problems, a self-propelled working machine of the present invention (Claim 1)
A vehicle body (1) having a traveling device (2), a work machine (3) mounted on the vehicle body (1), and an outrigger (4a) for installing the vehicle body (1) on the ground (G) And a self-propelled working machine provided with a generator (5) as a power source of the traveling device (2) and the working machine (3) and ancillary equipment,
The outrigger (4a) is formed so as to be able to be put in and out of a lowered position for grounding to the ground (G) and stably supporting the vehicle body (1) and an elevated position separated from the ground (G),
The generator (5) is detachably attached to the outrigger (4a), and the generator (5) is lowered to the ground (G) by the outrigger (4a) and lifted from the ground (G). It was configured to be able to move up and down in the floating state.

The self-propelled working machine of the present invention includes a grounding state in which a generator (5) is detachably attached to an outrigger (4a), and the generator (5) is lowered to the ground (G) by the outrigger (4a); It is characterized by a structure that is formed so as to be able to move up and down in a floating state lifted from the top.

Therefore, when the self-propelled working machine is moved on the off-road site, the generator can be moved without being obstructed when the generator is lifted from the ground by the outrigger.

When a crushing operation or the like is performed with a work machine, the vehicle body is installed on the ground.
In this case, the generator is brought into the grounded state from the floating state to the ground by the outrigger, and after the generator is removed from the outrigger, the outrigger is stored in the raised position and the vehicle body is moved to a position away from the generator. .
By taking the outrigger from the raised position to the lowered position at that location, the vehicle body can be stably installed on the ground at a location away from the generator.

As a result, it is possible to eliminate troubles and troubles caused by taking the dust away from the working machine as much as possible.

In general, generators have a shorter lifespan than working machines. However, if it is necessary to replace the generator alone, it is possible to work at a position where the generator is separated from the vehicle body. Becomes easier.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic side view which shows the self-propelled working machine concerning the Example of this invention, and shows the floating state of a generator. It is a schematic plan view of the self-propelled working machine. It is a schematic side view which shows the grounding state of a generator. It is a schematic side view which shows the state which installed and installed the vehicle body in the place away from the generator.

In the self-propelled working machine of this embodiment, a jaw crusher 3 as a working machine is mounted on a vehicle body 1 having left and right crawler traveling apparatuses 2 and 2 as a traveling apparatus.

In the present embodiment, the jaw crusher 3 as a crusher is an example of a working machine, but in addition, a crusher such as an impact crusher, a roll crusher or a vertical crusher, a sorting machine such as a grizzly feeder or a screen, or a crusher A crushing / separating continuous working machine or the like provided with a machine and a sorting machine can be used as the working machine.

The left and right crawler travel devices 2, 2 are configured such that crawlers 29, 29 (crawler belts) are arranged in parallel on the left and right of the vehicle body 1, It is wound between driven wheels 27 provided at the other end of the traveling frame 11.
A gantry 12 is attached to the upper portion of the traveling frame 11, and the vehicle body 1 is formed by the gantry 12 and the traveling frame 11, and the jaw crusher 3 described above is mounted on the vehicle body 1.
The traveling device is not limited to the crawler traveling device 2, and a wheel traveling device can be used.

The vehicle body 1 is equipped with a traveling hydraulic motor 21 connected to the drive wheels 28 of the crawler traveling device 2 and an electric hydraulic unit 9 that is a power device for the traveling hydraulic motor 21.

The electric hydraulic unit 9 is for driving the traveling hydraulic motor 21 with hydraulic pressure, and is connected by a cable 50 (shown in FIG. 4) with the generator 5 as a power source.
In the embodiment, a cable 50 is connected to a power receiving cable connecting portion 8 to be described later, and the generator 5 is connected to the electrohydraulic unit 9 via the power receiving cable connecting portion 8.
Accordingly, it is possible to drive the crawler traveling device 2 by driving the electric hydraulic unit 9 with the electric power from the generator 5 and driving the traveling hydraulic motor 21 with the hydraulic pressure from the electric hydraulic unit 9.
Thus, when traveling, the crawler traveling device 2 can be driven with a large driving force because the traveling hydraulic motor 21 is used, and the traveling can be stabilized.

The basic structure of the jaw crusher 3 is that a fixed tooth 38 is fixed to a main body frame 39, and a moving tooth 36 that crushes the raw material in the crushing chamber 37 by moving away from the fixed tooth 38 is attached to the swing jaw 35. ing.
The upper portion of the swing jaw 35 is eccentrically attached to the crushing drive shaft 34 that is pivotally supported on the main body frame 39, and the moving teeth 36 move away from the fixed teeth 38 by swinging by the rotation of the crushing drive shaft 34. Crush the raw material.

One end of the crushing drive shaft 34 is connected to a crushing electric motor 31 mounted on the vehicle body 1 by a V-belt, and this crushing electric motor 31 is also connected using the generator 5 as a power source.

In addition to the jaw crusher 3 described above, a raw material supply feeder 6 and a discharge conveyor 7 are mounted on the vehicle body 1 as main incidental facilities, and other various incidental facilities that are not shown are also mounted.

The raw material supply feeder 6 conveys and supplies the raw material into the jaw crusher 3 by vibration accompanying rotation of a drive motor (not shown).
The discharge conveyor 7 is for discharging the object to be crushed by the jaw crusher 3 to the outside of the machine, and is operated by a drive motor 71.
The discharge conveyor 7 is provided with a magnetic separator (not shown) for removing iron scraps and the like, and a hydraulic cylinder (not shown) for changing the inclination angle of the discharge conveyor 7 is provided on the discharge conveyor 7. The electrohydraulic unit 9 is provided as a power source.

The drive motor for the raw material supply feeder 6, the drive motor 71 for the discharge conveyor 7, and the drive motor for the magnetic separator can be any of an electric motor or a hydraulic motor. Trying to get.
In the embodiment, the electric motor 31 is used as the drive motor for the jaw crusher 3. However, it is needless to say that a hydraulic motor can be used. In this case, the motor is driven by the hydraulic pressure from the electric hydraulic unit 9.

The vehicle body 1 is provided with outriggers 4 a and 4 b for installing the vehicle body 1 on the ground G.
In the embodiment, front outriggers 4 a are provided on the front left and right of the vehicle body 1, and rear outriggers 4 b are provided on the rear left and right of the vehicle body 1.
Each of the outriggers 4a and 4b is formed so as to be able to be put in and out of a lowered position (position in FIG. 4) for grounding to the ground G and stably supporting the vehicle body 1 and an elevated position (position in FIG. 1) separated from the ground G. The vehicle body 1 is moved by the traveling device 2 at this raised position.

The generator 5 generates electric power by rotating a generator with an engine driven by fossil fuel, and serves as a power source for the traveling device 2, the work machine 3, and an auxiliary device.
The generator 5 is detachably attached to the front outrigger 4a by a pin 45, and is lifted from the ground and the grounded state (state of FIG. 3) lowered to the ground G by raising and lowering the front outrigger 4a. It is formed so as to be able to move up and down in a floating state (state shown in FIG. 1).

Therefore, when the self-propelled working machine is moved at the off-road site, the generator 5 is attached to the front outrigger 4a with the pin 45, and then the front outrigger 4a is raised to the raised position as shown in FIG. If the generator 5 is lifted up from the ground G, the generator 5 can be moved without obstructing the running.
In this case, the rear outrigger 4b is also stored in the raised position.

When the crushing operation is performed by the jaw crusher 3, the vehicle body 1 is installed on the ground G.
In this case, as shown in FIG. 3, the generator 5 is brought into a grounded state that is lowered from the floating state to the ground G by the front outrigger 4 a.
At this time, it is preferable to bring the rear outrigger 4b to the lowered position.

Next, after removing the pin 45 and removing the generator 5 from the front outrigger 4a, the front outrigger 4a and the rear outrigger 4b are stored in the raised position, and the vehicle body 1 is moved to a position away from the generator 5 in that state. Let
As shown in FIG. 4, the vehicle body 1 is stably installed on the ground G at a location away from the generator 5 by bringing the front outrigger 4 a and the rear outrigger 4 b from the raised position to the lowered position. be able to.

As a result, it is possible to eliminate troubles and troubles caused by dusting the generator 5 away from the jaw crusher 3 as much as possible.

In this embodiment, a power receiving cable connecting portion 8 for taking in commercial power as external power is provided on the vehicle body 1.
Therefore, when the generator 5 is not in use, the necessary power can be provided by connecting the cable connecting portion 8 and the cubicle 85 with the power cable 86 and capturing commercial power.
In this way, by providing the power receiving cable connection portion 8, it is possible to select whether to generate power with the generator 5 or to use commercial power as required.

1 Car body 2 Traveling device 3 Jaw crusher (work machine)
4a Front outrigger (outrigger)
5 Generator G Ground

Claims (1)

A vehicle body (1) having a traveling device (2), a work machine (3) mounted on the vehicle body (1), and an outrigger (4a) for installing the vehicle body (1) on the ground (G) And a self-propelled working machine provided with a generator (5) as a power source of the traveling device (2) and the working machine (3) and ancillary equipment,
The outrigger (4a) is formed so as to be able to be put in and out of a lowered position for grounding to the ground (G) and stably supporting the vehicle body (1) and an elevated position separated from the ground (G),
The generator (5) is detachably attached to the outrigger (4a), and the generator (5) is lowered to the ground (G) by the outrigger (4a) and lifted from the ground (G). A self-propelled working machine characterized in that it can be raised and lowered in a floating state.

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