JP2999394B2 - Vibrating sieve machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibrating sieving machine for selectively removing one or both of earth and sand and gravels from rock or concrete crushed by a crusher.

[0002]

2. Description of the Related Art Conventionally, when building a concrete structure or foundation in civil engineering work, sand and gravel are conventionally collected from rivers and seas to obtain sand and gravel as raw materials. In recent years, from the viewpoint of depletion or environmental conservation, rocks have been cut from rocks and crushed by a tow-type crushing device. Sorting of the above-mentioned gravel, and sorting and using those of a predetermined range in size from those obtained by crushing old concrete buildings have been performed.

[0003]

Conventionally, an electric motor using a generator generated by an engine as a power source has been used as a power source of a device for crushing and separating earth and sand and gravel, and these are separate working machines. It is configured to be moved by being towed. However, it is not easy to change the installation location and orientation of these towed devices, and it is difficult to arrange them near a narrow excavation site in conformity with the terrain. For this reason, in order to secure these crushing and sieving devices, the conveyors attached to them, and the accumulation site for sediment and gravel deposited by sorting, these crushing and sieving devices must be located only in a wide area that is far away from the excavation site. In many cases, equipment must be installed. For this reason, conventionally, generally, for example, a crushing and sieving device is installed several hundred meters or several kilometers away from the excavation site, and rocks are crushed from the excavation site of the rocky mountain by a truck or a conveyor, and crushed, We are sorting. As described above, conventionally, since there is a considerable distance from the excavation site to the crushing and sieving work site, there is a problem that a rock transportation means such as a conveyor and a truck is required, and the work efficiency is reduced.

[0004] In view of the above, the present invention can easily adapt to the location of a narrow work place or wetland, and can perform crushing and sorting work in a place close to a rock excavation site, thereby improving work efficiency. It is an object of the present invention to provide a vibrating sieving machine that can perform the sieving.

[0005]

In order to achieve the above object, a vibration sieving machine according to the present invention detachably pins a vibration sieving machine body to a front mounting bracket of a hydraulic shovel body having a crawler type traveling body. The vibration sieving machine main body is mounted with a vibration frame via an elastic body on an underframe to be pinned to the bracket, provided with a sieving net on the vibration frame, and a size selected by the sieving net. A hydraulic motor driven by a hydraulic pump mounted on an upper revolving unit of the hydraulic excavator body is used as a driving device that includes a conveyor that carries out two or more different sorts of objects to be sorted and that vibrates the vibration frame. And

[0006]

The vibration sieving machine according to the present invention comprises
The vibrating sieving machine is installed in place of the excavation front consisting of a boom, an arm and a bucket to perform sorting work.Therefore, by operating the traveling body of the hydraulic shovel and turning it as necessary, Can be easily changed, and can be arranged in a narrow excavation site. In addition, it can easily move following the movement of the excavation site. Further, since the crawler type is used as the traveling body, the vibrating sieving machine can be arranged even in a wetland or a wasteland, and the condition of the work place is eased. From these things, it becomes possible to install a vibrating sieving machine near the excavation site and perform the work.

[0007]

1 (A) is a side view showing an embodiment of a vibrating sieve according to the present invention, FIG. 1 (B) is a front view thereof, and FIG.
(A) and FIG. 3 are a side view and a plan view, respectively, showing a state in which crushing and sorting are performed using the vibrating sieving machine of the present embodiment. In FIG. 2 (A) and FIG. 3, 1 is a crusher, 2 is a vibrating sieve, 3 is a conveyer for conveying the mixed gravels and sand crushed by the crusher 1 to the vibrating sieve 2 and 4 and 5 are vibrators It is a conveyor that conveys the gravels a and earth and sand b sorted by the sieving machine 2 to a collection point.

[0008] The crusher 1 has a hopper 7 on its upper surface into which rocks and concrete blocks excavated by an excavator (not shown) are charged, and is equipped with a crushing device 8 for crushing the injected rocks and the like. The crushed material is conveyed from the conveyor 9 to the vibrating sieving machine 2 according to the present invention via the conveyor 3, and when the material to be crushed is reinforced concrete, reinforced waste mixed in the crushed concrete waste. Is provided with a magnet-type sorting device 10 for separating the particles by magnetic attraction.

As shown in FIG. 1, a vibrating sieving machine 2 according to the present invention comprises a hydraulic excavator main body 15 having an upper revolving body 14 mounted on a crawler type traveling body 12 via a revolving device 13 as a base machine. As shown in FIG. 2 (B), instead of the excavation front comprising a boom, an arm and a bucket, a boom mounting hole 17 and a boom cylinder mounting hole 18 are provided on the front mounting bracket 16 of the excavator body 15. The underframe 23 of the vibrating sieving machine body 22 is detachably pinned by the pins 20 and 21 using the pin.

The vibrating sieving machine main body 22 is placed on an underframe 23 via an elastic body 24 such as a coil spring or rubber.
Is mounted on the upper part of the vibrating frame 25.
And a reinforcing net 27 is provided at the lower stage. That is, in the present embodiment, only the upper screen 26 has a sorting function, and the lower screen 27 is attached as a strength member. Specifically, the upper screen 26 is a mesh through which pebbles having a diameter of 40 mm can pass. The lower net 27 was used as a material capable of passing 80 mm. Of course, the lower the net, the finer the net may be so that each stage has a sorting function.

A hydraulic motor 29 for vibrating the vibration frame 25 is mounted on the underframe 23. On the other hand, the rotary shaft 30 penetrates the intermediate portion of the vibration frame 25 via a bearing, and eccentric weights 31 are fitted to both ends of the rotary shaft 30, respectively. Also,
A pulley or sprocket 32 is fitted on the rotating shaft 30, and the pulley or sprocket 33 fitted on the output shaft of the hydraulic motor 29 and the pulley or sprocket 3
The eccentric weight 31 is rotated by the operation of the hydraulic motor 29 so that the vibration frame 25 vibrates. The hydraulic motor 29 is driven by a hydraulic pump (not shown) mounted on the excavator body 15.

On the vibrating frame 25, a hopper 40 for preventing spillage of the earth and sand brought in from the crusher 1 is mounted on the upper surface. A hopper 41 to be collected above is attached.
A guide member 42 is attached to the lower ends of the meshes 26 and 27 of the vibrating frame 25 for collecting gravel and the like dropped from the upper sieve mesh 26 on the conveyor 4.

The conveyors 4 and 5 are of a hand-operated type having moving wheels, and the upper end of each of the conveyors 4 and 5 is driven by a hydraulic pump on a hydraulic excavator body 15 as shown in FIG. Conveyor driving hydraulic motor 4
4, 45.

When sieving is performed using the crushing machine 1 and the vibrating sieving machine 2, the crushing machine 1 is moved and positioned by self-propelled movement at a place where rocks can be easily carried from an excavator in a rocky mountain. 2 also self-propelled excavator body 15,
By turning, the position of the vibration sieving machine main body 22 is adjusted while manually adjusting the position of the conveyor 3 between the crusher 1 and the vibration sieving machine 2. After that, the conveyors 4 and 5 are aligned with the vibrating sieving machine 2 and set.

As described above, by attaching the vibration sieving machine body 22 to the hydraulic shovel body 15 and utilizing the traveling and turning functions of the hydraulic shovel body 15, the position and the position of the vibration sieving machine body 22 can be controlled by the operator's operation. The direction can be set and adjusted. Therefore, even in a small work place, the vibrating sieving machine can be easily arranged according to the terrain.
Further, the hydraulic excavator body 15 has the crawler type traveling body 12 and can travel even on wetlands or rough lands, so that it can easily cope with site conditions. Accordingly, as the excavation site moves, the crushing machine 1 and the vibrating sieving machine 2 can be frequently moved to perform the crushing and sorting work as the excavation place moves, and the rock excavation site becomes closer to the rock excavation site. Crushing and sorting work can be performed in the place where it was done. As a result, it is no longer necessary to install a crushing and sorting device in a remote location and transport it from a drilling site to a remote location by a conveyor or truck as in the past. It is possible to perform a sorting operation well.

Also, since the vibration sieving machine main body 22 is detachably mounted in front of the hydraulic excavator main body 15 instead of the front, the original excavating front of the hydraulic excavator is mounted on the bracket 16 to perform the excavation work. Is also possible, and the use of the machine is expanded.

The vibration sieving machine 2 of the present invention has a structure in which the vibration sieving machine main body 22 is attached to the front part of the hydraulic shovel body 15, and the operator's view of the operator's cab 50 of the hydraulic shovel body 15 can be changed. 22. Therefore, when traveling a relatively long distance, it is preferable that the upper revolving unit 14 be rotated by 90 degrees by the revolving device 13, but the traveling unit 12 is operated to adjust the position of the vibrating screen 2. When performing the above, FIG. 1 (A)
As shown in the figure, a portable operation device 5 for remote control of a control valve for controlling a traveling device of the excavator body 15.
1 can be pulled out to the outside of the cab of the excavator body via the operation hose 52, and the operator 53 can operate the traveling device in front of the vibrating sifter body 22 to finely adjust the position. Becomes

FIG. 4 is a circuit diagram showing a hydraulic circuit of a traveling device using such a portable operation device 51. Reference numeral 55 denotes an operation hydraulic pump mounted on the upper swing body 14 of the hydraulic excavator body 15, and 56 , 57 are also the main hydraulic pump, 5
8, 59 are traveling hydraulic motors for driving the right and left crawler belts of the traveling body 12, 60 and 61 are these control valves, 62
Is an operation device provided in the driver's cab 50. The portable operation device 51 and the driver's cab operation device 62 include operation valves 51a (right), 51b (left), and 62a with operation levers provided corresponding to the left and right traveling hydraulic motors 58 and 59, respectively. (Right) and 62b (left). The control valves 60, 61 of the respective traveling hydraulic motors 58, 59 are connected to the respective control valves 51a, 62a, 51b via shuttle valves 63, 64 and 65, 66 and pipes 52a to 52d accommodated in the hose 52, respectively. And 62b. Therefore, the traveling device can be operated by operating not only the operation device 62 on the cab 50 but also the portable operation device 51.

If such remote control is enabled, the operator 53 can go down from the cab 50 and move to the vibrating screen 22.
The position of the vibrating sifter main body 15 can be adjusted by running the hydraulic shovel main body 15 in front of the sifter main body 15, and the vibrating sifter main body 2 can be moved to a suitable position without a risk of the vibrating sifter main body 22 colliding with the object.
2 can be located. Note that the portable operation device 5
1 may include an operating device of the turning device 13;
The portable operation device 51 may be configured as a wired or wireless operation device that sends an operation signal by an electric signal.

[0020]

According to the first aspect of the present invention, the vibration sieving machine is constructed by attaching the vibration sieving machine body to the front mounting bracket of the hydraulic excavator body. Etc. can be easily and quickly changed according to the location of the work place, and the vibrating screen machine can be arranged even at a narrow excavation site. In addition, since it has a crawler type traveling body, it can be moved and arranged even on wetlands or rough lands. Therefore, crushing and sorting operations can be performed at a place close to the rock excavation site. Therefore, it is not necessary to carry the excavated rock to a place distant from the excavation site, and the sorting operation can be performed efficiently with a small-scale device. Also,
The structure is such that the main body of the vibrating sieving machine is detachably attached to the body of the excavator instead of the front, so the original excavation front of the excavator can be attached to the bracket to perform excavation work. You.

According to the second aspect, the portable operating device of the control valve for controlling the traveling device of the excavator body is
Since the hydraulic shovel is provided so as to be able to be pulled out of the cab of the hydraulic excavator body via the operation hose, the position of the vibration sieving machine can be accurately adjusted without obstructing the view by the vibration sieving machine body.

[Brief description of the drawings]

FIG. 1A is a side view showing an embodiment of a vibrating sieve according to the present invention, and FIG. 1B is a front view thereof.

FIG. 2 (A) shows crushing using the vibrating sieve of the present embodiment,
FIG. 4B is a side view showing a state in which sorting is being performed, and FIG. 4B is a side view showing a mounting portion of the vibrating screen machine main body.

FIG. 3 is a plan view showing a state in which crushing and sorting are performed using the vibrating sieve of the present embodiment.

FIG. 4 is a hydraulic circuit diagram of the traveling device of the present embodiment.

[Explanation of symbols]

1: crusher, 2: vibrating sieve, 3-5: conveyor, 1
2: crawler type traveling body, 13: revolving device, 14: upper revolving body, 15: hydraulic excavator body, 16: bracket, 1
7: Boom mounting hole, 18: Boom cylinder mounting hole, 20, 21: Pin, 22: Vibrating sieve machine body, 23:
Underframe, 24: elastic body, 25: vibrating frame, 26: sieve mesh, 2
7: reinforcement net, 29: hydraulic motor for vibration, 30: rotary shaft,
31: eccentric weight, 32, 33: pulley or sprocket, 34: belt or sprocket chain, 40,
41: Hopper, 42: Guide member, 44, 45: Hydraulic motor for driving a conveyor, 50: Operating room, 51: Portable operating device, 51a, 51b: Operating valve, 52: Operating hose,
53: operator, 55: hydraulic pump, 56, 57: traveling hydraulic motor, 58, 59: control valve, 60:
Operating devices provided in the cab 50, 60a, 60b: operating valves, 61 to 64: shuttle valves

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-219734 (JP, A) JP-A-56-31948 (JP, A) JP-A-56-41757 (JP, U) 23501 (JP, B1) (58) Fields investigated (Int. Cl. ⁷ , DB name) E02F 7/06 E02F 7/00

Claims (2)

(57) [Claims] 1. A vibration sieving machine body is detachably pinned to a front mounting bracket of a hydraulic excavator body having a crawler type traveling body, and the vibration sieving machine body is underframed to be pinned to the bracket. A vibration frame is mounted on the vibration frame via an elastic body, a sieve net is provided on the vibration frame, and a conveyor for carrying out two or more kinds of objects having different sizes sorted by the sieve net is provided. A vibrating sieving machine, wherein a hydraulic motor driven by a hydraulic pump mounted on an upper swing body of the hydraulic excavator body is used as a driving device for vibrating. 2. The hydraulic shovel according to claim 1, wherein a portable operating device for remote control of a control valve for controlling a traveling device of the hydraulic shovel can be drawn out of a cab of the hydraulic shovel body via an operating hose. A vibration sieving machine characterized by being provided.