JPH11197534A - Mobile crusher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove impurities of crushed products to obtain a product having high quality without using other equipment separately. SOLUTION: On a freely movable crawler 2, a hopper 10, a vibrating feeder 20 with a grizzly, a crusher 30, and a transport 40 are mounted, and a vibrating screen 50 for removing sediment from under the screen of the vibrating feeder 20 with a grizzly and an auxiliary transport for carrying out the sediment are provided. The hopper 10 is arranged on the front side of a mobile crusher 1, and the transport 40 carries out the crushed products to the rear side of the mobile crusher 1. And a grizzly bar of the vibrating feeder 20 with a grizzly selects rocks received from the hopper 10 according to their grading, and sediment from between the selected fine particles and sediment is carried out by an auxiliary transport extended so as to be projected in the width direction of the mobile crusher 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-propelled crusher having a crushing device for crushing crushed raw materials, such as a jaw crusher, and more particularly, to removing impurities from crushed products to obtain high quality products. It relates to a self-propelled crusher that can be used.

[0002]

2. Description of the Related Art Conventionally, for example, for the production of crushed stone, aggregate for concrete and aggregate for asphalt, it has been obtained by moving a rock near a mining site or close to a face and crushing the mined rock on the spot. A mobile crusher (self-propelled crusher) that transports crushed stones as it was used
4-32744). FIG. 6 shows one embodiment of the mobile crusher 1, in which a hopper 1 is mounted on a frame 3 of a crawler 2 which runs on an endless track by a caterpillar 2a.
A crusher (crushing device) 30 for crushing the rock received from 0 is loaded, and the output of the diesel engine 4 is driven by the hydraulic pump 6 and the hydraulic motor 7 via the rotary shaft 4 a and the chain wheel 5. The crusher 30 is shown in FIG.
As shown in FIG. 5, a jaw crusher for introducing and rocking rock as a raw material for crushing is used between a fixed crushing plate 35 and a movable crushing plate 36 swinging back and forth, and a V belt, a V pulley and The movable crush plate 36 swings via the eccentric rotation shaft 33. The crushed crushed product is discharged from the discharge path 30A to the outside of the machine by the belt conveyor 40, and is transferred by the subsequent belt conveyor or another transport machine. 8 is an operator room.

[0003]

In the above-mentioned conventional mobile crusher, when rocks are thrown in by a hopper 10 shovel loader, sediment mixed in when blasting a mining site is crushed together with massive rocks. Since the crushed product is supplied to the belt conveyor 40, the crushed product conveyed from the belt conveyor 40 is mixed with earth and sand. For this reason, there is a problem that the sediment becomes impurities and the purity is reduced, and the quality of the product cannot be ensured.

Therefore, in order to remove the sediment and ensure the quality of the product, a sieve device or the like is disposed separately from the movable crusher 1 and the belt conveyor 4 is used by using the device.
Separate work was required to sort out the crushed products carried out from 0 and to remove sediment.

An object of the present invention is to provide a self-propelled crusher capable of removing impurities of a crushed product and obtaining a high-quality product without using another device.

[0006]

In order to achieve the above-mentioned object, a self-propelled crusher according to the present invention comprises a frame, a traveling means provided on the frame, and a traveling means provided on one side in the longitudinal direction of the frame. Receiving means for receiving the crushed raw material,
A crushing device for crushing the crushed raw material received by the receiving means, a first conveyor for carrying out the crushed material crushed by the crushing device to another side in the longitudinal direction of the frame, the receiving means and the crushing device And a sorting unit that sorts the crushed raw material received from the receiving unit in accordance with the particle size, and extends in the lateral direction of the frame, and at least one of the crushed raw materials sorted by the sorting unit. A second conveyor for unloading a portion. In the present invention, a sorting means for sorting the crushed raw materials according to the particle size is provided between the receiving means and the crushing device, and at least a part of the crushed raw materials thus selected is carried out by the second conveyor. Thus, by appropriately setting the predetermined particle size of the sorting criterion, it is possible to prevent at least impurities having a small particle size from being guided to the second conveyor and not supplied to the crushing device. Therefore, impurities are not mixed into at least the crushed material introduced from the crushing device to the first conveyor, and high purity can be secured. Thus, by using the crushed material carried out from the first conveyor, a high-quality product can be obtained without separately providing another device. At this time, in the present invention, the receiving means is provided on one side of the frame, and the crushed material is discharged to the other side of the frame by the first conveyor. Accordingly, it is sufficient that the crushed material before crushing is loaded on one side in the longitudinal direction of the frame, while the crushed material carried out of the first conveyor is separated from the frame by the frame length away from the loaded crushed material. It is loaded on the other side in the direction, and the loading space does not interfere with each other. Further, in the present invention, as described above, the crushed raw material containing at least impurities is carried out by the second conveyor, but at least by extending the second conveyor in the short direction of the frame. Impurities
The crushed material and crushed material loaded on one side in the longitudinal direction of the frame and crushed material loaded on the other side in the longitudinal direction of the frame should be clearly separated from the crushed material and crushed material and discharged. Can be. Also, there is an effect that the space around the crusher can be used effectively without waste.

[0007] Preferably, the sorting means guides the crushed raw material received by the receiving means, the crushed raw material having a predetermined particle size or less to the second conveyor, and the crushed raw material having a predetermined particle size larger than the predetermined particle size to the crushing device.

[0008] Preferably, the apparatus further comprises a feeder for transferring the crushed raw material received by the receiving means to the crushing device, and the sorting means is provided in the feeder.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 5 show an embodiment according to the present invention, FIG. 1 is an overall side view of a mobile crusher,
FIG. 2 is a plan view of a vibration feeder with a hopper and a grizzly,
3 is a side view of a main part of the hopper, FIG. 4 is a longitudinal sectional view of the crusher, and FIG. 5 is a front view of the movable crusher. In the figure, 1 is a mobile crusher, 2 is a crawler, 2a is a caterpillar, 3 is a frame, 10 is a hopper, 20 is a vibratory feeder with a grizzly (also known as a grizzly feeder), 30 is a crusher (in this embodiment, a jaw crusher), 40 Is a transport machine (main conveyor), 50 is a vibrating sieve (also called a sand separator), 60 is an auxiliary transport machine (also called a side conveyor), 70 is a diesel engine, 80 is a fuel tank,
82 is an oil tank. In addition, a hydraulic unit (not shown) including a hydraulic motor is installed on the frame 3 in conjunction with the diesel engine 70.

The movable crusher 1 is loaded with a hopper 10 via a column base 10a and 10b and a vibration feeder 20 with a grizzly disposed below the hopper 10 on a frame 3 of a crawler 2 traveling by an endless track 2a. Have been. Hopper 10 and vibration feeder 20 with grizzly
Is provided on the front side (the right side in FIG. 1) of the mobile crusher 1 as shown in FIG. As shown in FIGS. 1 to 3, the vibrating feeder 20 with grizzly is provided between the hopper 10 and the crusher 30, and a plate member 20 c on which the rock received by the hopper 10 is placed and a plate member 2 c
A plurality of parallel grizzly bars 20a which are attached to Oc and are appropriately spaced apart in the longitudinal direction are arranged in multiple stages. A large number of spaces 20d are formed between the grizzly rivers 20a, and only the fine particles having a predetermined particle size or less and the sediment as impurities are selected from the rocks placed on the plate member 20c, and the lower chute 21d is formed. , And a large lump larger than a predetermined particle size is guided to the crusher 30. Further, the vibrating feeder 20 with a grizzly is inclined slightly upward toward the downstream side, and is configured so that a high-speed minute vibration for transferring the load to the downstream side by the drive motor 20b is applied to the plate member 20c. I have. Vibration feeder 2 with grizzly
The lower chute 21 receives the fine particles and the sediment dropped from the space 20 d between the grease rivers 20 a and guides the fine granules and the sediment to the vibrating sieve 50. The vibrating sieve 50 has a mesh of, for example, 10 mm that forms a space finer than the space 20d of the grizzly river 20a.
The fine particles and the sediment content guided through 1 are further separated into fine particles and sediment, which is an impurity, according to the particle size defined by the mesh. A chute (not shown) is provided below the vibrating sieve 50, and collects sieves (i.e., sediment) having a particle size equal to or less than the particle size defined by the mesh, and as shown in FIG. 5) to the auxiliary transport 60 extending so as to protrude in the left-right direction. On the other hand, vibrating sieve 5
The fine particles larger than the particle size defined by the mesh remaining on the sieve of No. 0 are transported via a chute (not shown) to a transport machine 4 described later.
Fall to zero. A crusher 3 is provided on the rear side (left side in FIG. 1) of the movable crusher 1 from the vibration feeder 20 with a grizzly.
0 is disposed, and the crushed product of the crusher 30 falls to a transporting machine (main conveyor) 40 via a chute provided below the crusher 30. The transporter 40 rises inclining toward the longitudinally downstream side (rear side, left side in FIG. 1) of the mobile crusher 1, and transfers the crushed products dropped from the crusher 30 to the rear side of the mobile crusher 1. Take it out. In addition, a diesel engine 70, a fuel tank 80 for storing light oil as fuel oil of the diesel engine 70, and an oil tank 8 for storing hydraulic oil for hydraulic equipment
2 is fixed on the downstream frame 3. Crusher 30
A landing 92 for inspection is installed on both sides of the upper part of the
The worker can go up and down via the.

FIG. 4 shows a crusher (jaw crusher).
30 shows a fixed jaw 3 fixed to a casing 31
2 and a swing jaw 34 having an upper part attached to the eccentric rotary shaft 33. The rock is crushed by a fixed crush plate 35 attached to the fixed jaw 32 and a movable crush plate 36 attached to the swing jaw 34. . 33a is a flywheel (flywheel). A toggle plate 37 is connected to a support rod 38 attached to the frame 31 at a lower portion of the swing jaw 34. 39 is a toggle plate 3
Swing jaw 34 in order not to separate 7 from support rod 38.
Is a compression coil spring that pulls the lower end of the left side of FIG. In addition, the hopper 10 and the vibration feeder 20 with a grizzly may be integrated, and an inclined side wall may be provided at the top of the vibration feeder 20 with a grizzly.

In the above configuration, the mobile crusher 1 constitutes a self-propelled crusher, the front-back direction of the mobile crusher 1 corresponds to the longitudinal direction of the frame 3, and the width direction of the mobile crusher 1 corresponds to the frame 3. In the short direction. The front side (the right side in FIG. 1) of the movable crusher 1 corresponds to one side in the longitudinal direction of the frame.
1 (left side in FIG. 1) corresponds to the other side in the longitudinal direction of the frame. The hopper 10 is provided on one side in the longitudinal direction of the frame and constitutes a receiving means for receiving the crushed material, and the crusher 30 constitutes a crushing device for crushing the crushed material received by the receiving means. Further, the vibrating feeder 20 with a grizzly constitutes a feeder for transferring the crushed raw material received by the receiving means to the crushing device, and the grizzly bar 20a of the feeder 20 is provided between the receiving means and the crushing device, and A sorting means for sorting the received crushed raw materials according to the particle size is constituted. In addition, the transporting machine (main conveyor) 40 constitutes a first conveyor that carries out the crushed material crushed by the crushing device to the other side in the longitudinal direction of the frame, and the auxiliary transporting machine 60 moves in the widthwise direction of the frame. A second conveyor that extends and carries out the crushed raw material sorted by the sorting means is configured. Further, the crawler 2 constitutes a traveling means provided on the frame.

The operation of the mobile crusher of the present invention configured as described above will be described. Mobile crusher 1
The front end (right side in FIG. 1) is directed to the mining site, and after the diesel engine 70 is started to confirm the start of each device, the collected rock is supplied to the hopper 10 by a transport machine such as a shovel loader. At this time, the supplied rock generally contains sediment mixed in the blasting of the mining site and fine grains that have already been reduced to some extent. The rock received by the hopper 10 is first sorted in the space 20 d between the grizzly bars 20 a while being moved to the crusher 30 by the vibrating feeder 20 with a grizzly, and the fine grains and the sediment fall into the chute 21. Thereafter, they are introduced from the chute 21 to the vibrating sieve 50,
According to 0, the fine particles are further separated into sediment as an impurity, and the fine particles are transferred to the main conveyor 40 and the sediment is transferred to the side conveyor 60, respectively. Vibration feeder 2 with grizzly
The rock that has entered the crusher 30 due to 0 is crushed into fine particles set to a prescribed size, and is transported by the main conveyor 40 by subsequent transportation means, for example, a long belt conveyor or the like.

As described above, in the mobile crusher 1 of the present invention, when rocks collected at a mining site or at a face are crushed by the crusher 30, fine particles and soil are removed in advance by the vibrating feeder 20 with grizzly. Therefore, at least the soil, which is an impurity, is guided to the auxiliary transport device 60 and is not supplied to the crusher 30. Therefore, the crushed product introduced from the crusher 30 to the transport device 40 is not mixed with earth and sand as impurities, and high purity can be secured. Thus, by using the crushed product carried out from the transporter 40, a high-quality product (eg, aggregate) can be obtained without providing another device. Further, at this time, the fine particles and the sediment introduced from the chute 21 are again sorted by the vibrating sieve 50, and only the sediment is guided to the auxiliary transport device 60, while the fine particles are guided to the transport device 40. Thereby, fine granules that can be provided as a product are separated from sediment as an impurity, introduced into the transporting machine 40, and combined with the crushed product crushed by the crusher 30, thereby effectively serving as a part of the product. Can be used. In addition, by introducing fine particles that do not need to be crushed into the transport device 40 without passing through the crusher 30, the crusher 30 does not need to perform an unnecessarily crushing operation. Unnecessary generation of fine particles due to finer crushing of the particles can be prevented.

At this time, in the mobile crusher 1 of the present invention, the hopper 10 is provided on the front side,
The crushed product is discharged to the rear side by the transporter 40. Accordingly, it is sufficient that the rock before crushing is loaded around the front side of the mobile crusher 1, while the crushed product carried out from the transporter 40 is moved away from the mobile crusher 1 on the opposite side to the loaded rock. , So that the loading spaces do not interfere with each other. Further, the sediment as the impurities selected by the grizzly river 20a and the vibrating sieve 50 is carried out by the auxiliary transport device 60. At this time, since the auxiliary transport device 60 is extended in the crusher width direction, the sediment is removed by any of rocks loaded on the front side of the mobile crusher 1 and crushed products loaded on the rear side of the mobile crusher 1. The rocks and crushed products can be clearly separated and discharged in a place where they do not interfere with the rocks. There is also an effect that the space around the mobile crusher 1 can be used effectively without waste.

In the above description, the auxiliary transport device 60 is provided in the width direction of the mobile crusher 1, but is not limited to this, and is not limited to the width direction as long as it does not obstruct the loading position of the rock and the crushed product. It may be extended obliquely at an angle.

Further, in the above embodiment, the mobile crusher 1 which targets rock extracted from rock mining sites and face as an example of the crushing raw material has been described, but the invention is not limited to this. That is, for example, the present invention is also applicable to a crusher using crushed raw materials of various kinds of large and small rocks, construction waste materials, industrial wastes and the like generated at construction sites, such as concrete lumps carried out at the time of building demolition and asphalt lumps discharged at the time of road repair. Can be applied, and in these cases, a similar effect is obtained.

[0018]

As described above, the self-propelled crusher of the present invention sorts the crushed raw material received from the receiving means according to the particle size, and separates the crushed raw material received from the frame, as described above. Since the product is transported in the short direction, impurities of the crushed product can be removed and a high-quality product can be obtained without using another device.

[Brief description of the drawings]

FIG. 1 is an overall side view of a mobile crusher according to an embodiment of the present invention.

FIG. 2 is a plan view of a hopper and a vibrating feeder with a grizzly according to the embodiment of the present invention.

FIG. 3 is a side view of a main part of the hopper according to the embodiment of the present invention.

FIG. 4 is a longitudinal sectional view of a crusher according to the embodiment of the present invention.

FIG. 5 is a front view of the mobile crusher according to the embodiment of the present invention.

FIG. 6 is an overall side view of a conventional mobile crusher.

FIG. 7 is a side view of a crusher (jaw crusher) mounted on a conventional mobile crusher.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mobile crusher 2 Crawler 2a Caterpillar 3 Frame 10 Hopper 20 Vibration feeder with grizzly (grizzly feeder) 20a Grizzly river 20b Drive motor 21 Chute 30 Crusher 31 Casing 32 Fixed jaw 33 Eccentric rotation axis 33a Flywheel 34 Swing jaw 35 Fixed breaking Plate 36 movable crushing plate 37 toggle plate 38 support rod 39 compression coil spring 40 transporter (main conveyor) 50 vibrating sieve (sand separator) 60 auxiliary transporter (side conveyor) 70 diesel engine 80 fuel tank 82 oil tank 90 stairs 92 landing

Continuing from the front page (72) Inventor Takanori Sakurai 1980, Ogaki, Ube-shi, Ube City, Ube-shi, Yamaguchi Prefecture Inside Ube Machinery Works, Ube Industries (72) Inventor Kazuki Kurari, 1980, Oki, Ogishi-oki, Oji, Ube, Ube, Yamaguchi Kosan Co., Ltd. Ube Machinery Works

Claims (3)

[Claims] 1. A frame, running means provided on the frame, receiving means provided on one side in the longitudinal direction of the frame for receiving the crushed raw material, and a crushing device for crushing the crushed raw material received by the receiving means. A first conveyor for carrying out the crushed material crushed by the crushing device to the other side in the longitudinal direction of the frame, provided between the receiving means and the crushing device, and received from the receiving means. Sorting means for sorting the crushed raw material according to its particle size, and a second conveyor extending in the transverse direction of the frame and carrying out at least a part of the crushed raw material selected by the sorting means. A self-propelled crusher characterized by the following. 2. The self-propelled crusher according to claim 1, wherein said sorting means guides the crushed raw material received by said receiving means to a material having a predetermined particle size or less to said second conveyor, A self-propelled crusher, wherein a larger one is guided to the crusher. 3. The self-propelled crusher according to claim 1, further comprising a feeder for transferring the crushed raw material received by said receiving means to said crushing device, wherein said sorting means is provided in said feeder. A self-propelled crusher characterized by the following.