JP4518482B2 - Self-propelled crusher - Google Patents

Description

  The present invention belongs to the technical field of a self-propelled crusher equipped with a crushing device such as a jaw crusher.

In recent years, a crushing device such as a jaw crusher on a vehicle body equipped with a traveling body as a machine for finely crushing objects to be crushed (slack, glass) having a lump of concrete or the like generated on site such as demolition of a building There is an increasing demand for self-propelled crushers configured to carry out the crushed material crushed by the crushing apparatus and carry it out of the apparatus by a main carry-out device such as a carry-out conveyor. By the way, the material to be crushed contains various things from large to small particles. And in such a self-propelled crusher, throwing into a crushing device even if it is small and does not need to crush will increase the amount of crushing materials, and crushing efficiency will fall.
Therefore, in the self-propelled crusher, before supplying the material to be crushed to the crushing device, a vibratory feeder or the like is used to separate the crushing material that has a small particle size and does not need crushing into the crushing unnecessary material that needs crushing. A separation device is provided, and the necessary crushing material separated by the separation device is supplied to the crushing device, while the unnecessary materials for crushing are carried out of the machine by a sub-carrying device such as a side conveyor provided separately from the main carrying-out device. There are some which are made to do (patent documents 1 and 2).
JP 2000-117139 A Utility Model Registration No. 2525395

However, the crushing device can adjust the particle size of the crushed material to be crushed. For this reason, when the particle size of the crushed material is about the same as the particle size of the unnecessary material for crushing, There is a case where there is no problem even if unnecessary materials are crushed inside.In such a case, the crushed material carried out by the main carrying-out device and the crushing unnecessary material carried out by the auxiliary carrying-out device It can be mixed.
However, in the prior art, after crushing necessary materials are crushed, they are carried out of the machine by the main carry-out device, and unnecessary materials are carried out by the auxiliary carry-out device. It is deposited differently. For this reason, even though they may be mixed, there is a problem that each of the accumulated items must be collected, which makes the work cumbersome and complicated. There was a problem to do.

The present invention was created with the object of solving these problems in view of the above circumstances, and the invention of claim 1 is a crushing requirement that requires crushing the crushed material to be fed. A separation device that separates unneeded and unnecessary crushing materials, a crushing device that receives and crushes the crushing necessary materials from a supply port provided at the front of the sorting device , and carries the crushed crushed material out of the machine In the self-propelled crusher configured to include a main carry-out device that performs the above operation and a sub-carry-out device that receives the unneeded crushing material from a discharge port provided on the lower surface of the front portion of the separation device and carries it out of the machine. fractionated in the apparatus, the Upon kicking setting a chute for discharging guide receiving the discharged crushed unwanted material from the outlet, the chute, crushed not discharged from the discharge port provided on the machine body A fixed chute to receive the necessary items, Using a rotating chute provided at the lower end of the fixed chute so as to be rotatable around the vertical axis and capable of selectively supplying the crushing unnecessary material received by the fixed chute to the main carry-out device and the sub carry-out device. The fixed chute and the rotating chute are configured such that a flange portion formed on the lower end edge of the fixed chute and a flange portion formed on the upper end edge of the rotating chute come into contact with each other on the outer peripheral surface of the rotating chute side flange portion. A guide body whose inner surface is in sliding contact with the outer peripheral surface of the fixed chute side flange portion is provided on the provided support body, and the support guide which is in sliding contact with the upper surface of the outer peripheral portion of the fixed chute side flange portion is adjustable in the vertical direction. The self-propelled crusher is provided so as to be suspended and supported so as to be rotatable in a state in which the rotation chute is rotated with respect to the fixed chute .
A second aspect of the present invention is the main unloading apparatus according to the first aspect, wherein the unloading start end of the main unloading apparatus is provided so as to protrude from the crushing apparatus toward the sorting apparatus, and the chute has a discharge port as a main. A self-propelled crusher configured to be able to move to a position facing the conveyance start end of the carry-out device and the conveyance start end of the sub-carry-out device.
According to a third aspect of the present invention, in the second aspect, the transport start end of the main carry-out device is provided with a hopper that guides the crushing unnecessary material discharged from the chute to the transfer start end of the main carry-out device. It is a featured self-propelled crusher.

By making it the invention of claim 1, the crushing unnecessary material separated by the separation device is carried out alone by the sub-carrying device, and mixed with the material crushed by the crushing device and carried out by the main carry-out device. Therefore, the crushing work corresponding to the purpose of use can be performed.
By adopting the invention of claim 2 , it is possible to simplify the structure for selectively supplying the main and auxiliary carry-out devices for the crushing unnecessary materials.
By setting it as invention of Claim 3, the crushing unnecessary substance discharged | emitted from a chute | shoot can be smoothly supplied to a main carrying-out apparatus.

  Next, embodiments of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a self-propelled crusher. The self-propelled crusher 1 is attached to a crawler type traveling body 2 from a jaw crusher or the like at a substantially central portion in the front-rear direction of a base frame 3. A crushing device 4 is placed. A hopper 5 into which an object to be crushed, such as a concrete lump, is placed is arranged on the upper rear side of the crushing device 4, and a material to be crushed in the hopper 5 is disposed below the hopper 5 in the crushing device 4. A vibration feeder 6 for introduction into the inlet 4a is arranged.

  The vibration feeder 6 is a so-called grizzly vibration feeder, and has a comb-like sieve body 6a on the front side of the bottom surface. The object to be crushed put into the hopper 5 is vibration sieved and selected. Among the objects to be crushed, the crushed materials that do not need to be crushed, such as small-diameter concrete blocks and earth and sand, which are not crushed and fall down through the gaps of the sieving body 6a, By receiving the vibration, it moves forward and is separated so as to be sequentially supplied from the supply port 6b to the inlet portion 4a of the crushing device 4.

  Reference numeral 7 denotes a main carry-out conveyor, which employs a belt conveyor system. The main carry-out conveyor 7 is composed of first and second half conveyor sections 7a and 7b, and the first half conveyor section 7a is disposed in the front of the machine body 8. It extends toward the front from the lower part in a state of inclining in front and rear and low. On the other hand, the latter half conveyor portion 7b is arranged up to the lower position of the crushing device 4 in a state of being horizontal in the front-rear direction, but the rear end portion (conveyance start end portion) 7c is behind the crushing device 4. It protrudes to the vibration feeder 6 side and extends to the rear position from the position where the crushed material is supplied to the main carry-out conveyor 7. The main carry-out conveyor 7 receives the crushed material crushed by the crushing device 4, conveys it to the front of the machine body, and carries it out of the machine.

  Reference numeral 9 denotes a sub-carrying conveyor disposed at the rear end of the machine body in the left-right direction. The sub-carrying conveyor 9 has a base end (conveyance start end) 9a at the rear end of the main carry-out conveyor 7. It is located behind the position and below the vibration feeder 6, and is formed so as to be inclined so that the tip portion becomes higher. As will be described later, the base end portion 9 a receives the crushing unnecessary material dropped from the vibration feeder 6. Then, it is conveyed and carried out to the outer side in the left-right direction of the machine body (right side in the present embodiment).

  Reference numeral 10 denotes a chute provided on the lower surface of the front portion of the vibration feeder 6, and the chute 10 has an upper end portion for removing crushing unnecessary material discharged from a crushing unnecessary material discharge port (falling port) 6 c in the vibration feeder 6. The discharge chute is configured to use a fixed chute 11 fixed to the airframe side, and a rotating chute 12 provided at the lower end of the fixed chute 11 so as to be rotatable around the vertical axis. The fixed chute 11 has a funnel shape with a smaller diameter on the lower side, and a lower end portion 11a thereof has a rectangular tube shape, and a disc-shaped flange portion 11b is formed at the lower end edge of the lower end portion 11a.

On the other hand, rotating the chute 12 has an upper end portion 12a is the same square tubular and the stationary chute lower end 11a, but also a disk-shaped flange portion 12b is formed on the upper edge of the upper end portion 12a, the flange As is apparent from FIG. 8, the portion 12b is in contact with the fixed chute side flange portion 11b. The rotating chute 12 is inclined in a state of being deviated laterally (horizontal direction) from the lower end edge of the upper end portion 12a to the lower side, and a dust-proof hanging curtain 13 is suspended at the discharge port 12c at the inclined lower end. It is installed.

  The support 14 is fixed to the outer peripheral surface of the rotating chute side flange 12b at three positions with an angle of 120 degrees so as to protrude in the outer diameter direction, and the guide body is attached to the upper surface of the support 14. 15 is fixed via a bolt 15a so that the radial position can be adjusted. The guide body 15 is substantially L-shaped in a side view, and the inner surface of the lower plate portion 15b contacting the support 14 is in sliding contact with the outer peripheral surface of the fixed chute flange 11b, and the inner position of the lower plate portion 15b. A support guide 16 is fastened to the inner surface of the upright plate portion 15c standing upright so as to be adjustable in the vertical direction via bolts 16a. The lower surface of the support guide 16 is in sliding contact with the upper surface of the outer periphery of the fixed chute flange 11b. With these sliding contacts, the rotating chute 12 is supported in a suspended manner with respect to the fixed chute 11, A forward position where the discharge port 12c is positioned forward and the rear end portion 7c of the main carry-out conveyor 7 faces downward, and a rearward position where the discharge port 12c is positioned rearward and the base end portion 9a of the auxiliary carry-out conveyor 9 faces downward The suspension support portion X is configured to be rotatable about the vertical axis. The radial and vertical position adjustments can be performed, for example, by making the bolt through holes drilled in the guide body 15 or the support guide 16 long. Further, reinforcing plates 15d are fixed to the guide body 15 on the left and right.

  In addition, a pair of fixing brackets 17 which are opposed to each other at an angle of 180 degrees on the right and left are provided on the outer peripheral portion of the fixing chute flange portion 11 b, and the upper ends of the fixing pieces 18 are arranged on the outer surface of the fixing bracket 17. The part is fixed via a bolt 18a. When the rotating chute 12 is positioned at the forward position and the rearward position, the lower end portion of the fixed piece 18 faces the fixed receiving portions 12d provided on the left and right sides of the rotating chute 12, and the bolt head is picked. The rotating chute 12 can be fixed to the fixed chute 11 by the fixing bolt 18b, and the fixing portion Y of the rotating chute 12 is formed.

The fixed chute 11 is provided with three watering nozzles 19, and the rotating chute 12 is provided with two opening and closing inspection ports 12 e at the front and rear, and the rotating chute 12 is further rotated. handle 12f for grasping the like when to have that provided.
Reference numeral 20 denotes a hopper provided at the rear end portion 7c of the main carry-out conveyor 7. The hopper 20 removes unnecessary crushing material discharged from the rotating chute 12 located at the forward position after the main carry-out conveyor. It guides to the end 7c.

  In the embodiment of the present invention configured as described above, the object to be crushed put into the hopper 5 is separated into a crushing necessary substance and a crushing unnecessary substance by the sieving body 6a of the vibration feeder 6 and separated. Necessary crushing material is supplied to the crushing device 4 and subjected to crushing action, and the crushed material is conveyed and discharged to the front of the machine body by the main carry-out conveyor 7. Further, the crushing unnecessary material is discharged from the discharge port 6 c of the vibration feeder 6 to the chute 10. In this case, the chute 10 can be selectively switched between the case where the received unneeded crushing material is supplied to the main carry-out conveyor 7 and the case where it is supplied to the sub-carrying conveyor 9. If it is possible to mix the crushed material with the crushed crushed material, set it to be supplied to the main carry-out conveyor 7, and if it is not convenient to mix, set it to be fed to the auxiliary carry-out conveyor 9. Well, by doing in this way, the crushed material corresponding to a use condition can be supplied.

  That is, in this thing, the chute | shoot 10 is provided in the fixed chute | shoot 11 which receives the crushing unnecessary material sorted in the vibration feeder 4, and this fixed chute | shoot 11 is rotatably provided, The received crushing unnecessary material is transferred to the main carrying-out conveyor. 7 and a posture to be supplied to the auxiliary carry-out conveyor 9, and it is only necessary to set the rotating chute 12 to any one of the above postures as necessary. , Workability is improved.

  In this case, since the rotating chute 12 rotates in a state of being supported in a suspended manner with respect to the fixed chute 11, the structure of the deforming mechanism of the rotating chute 12 can be simplified. If the rotating chute 12 is fixed with the fixing bolt 18b in a state where the rotating chute 12 is set in each posture, the rotating chute 12 can be prevented from rotating carelessly and stably. It will be possible to discharge waste material that has not been crushed.

  In addition, since the rear end portion 7c of the main carry-out conveyor 7 protrudes forward from the crushing device 4 in this case, when an unnecessary crushing material is supplied from the rotating chute 12 to the main carry-out conveyor 7. Thus, it is possible to avoid the crushing device 4 from getting in the way and being in an unreasonable supply state.

  Further, in this case, when an unnecessary crushing object is supplied from the rotating chute 12 to the main carry-out conveyor 7, a hopper 20 for guiding the supply is provided, so that the rear end portion 7c of the main carry-out conveyor 7 is provided. However, even if it is lower than the auxiliary carry-out conveyor 9, it is possible to smoothly supply the main carry-out conveyor 7 without spilling unnecessary materials.

It is a whole side view of a self-propelled crusher. It is a whole top view of a self-propelled crusher. It is a whole rear view of a self-propelled crusher. It is a side view of a chute part. It is a rear view of a chute part. It is an enlarged side view of a chute It is a top view of a chute flange part. The chute suspension rotating part is shown, wherein (A) is a plan view, (B) is a front view, and (C) is a side view. It is a side view which shows a chute fixing means part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Self-propelled crusher 4 Crushing device 5 Hopper 6 Vibrating feeder 7 Main carry-out conveyor 7c Transfer start end of main carry-out conveyor 9 Sub carry-out conveyor 10 Chute 11 Fixed chute 12 Rotating chute 20 Hopper

Claims (3)

A separation device that separates the input material to be crushed into a material that needs to be crushed and a material that does not need to be crushed, and a crush that receives the material to be crushed from a supply port provided at the front of the separation device and crushes it. An apparatus, a main unloading apparatus for unloading the crushed crushed material to the outside of the apparatus, and a sub-unloading apparatus for receiving the unneeded crushed material from a discharge port provided on the front lower surface of the sorting apparatus and unloading the apparatus outside the apparatus. in mobile crusher configured with, is fractionated in the fractionator, when kicking setting a chute for discharging guide receiving the discharged crushed unwanted material from the outlet, the chute, the machine body A fixed chute that is provided on the lower end of the fixed chute so as to be rotatable about the vertical axis and received by the fixed chute. The main carry-out device and secondary carry-out device The fixed chute and the rotating chute are made up of a flange portion formed on the lower end edge of the fixed chute and a flange portion formed on the upper end edge of the rotating chute. The support body provided on the outer peripheral surface of the rotating chute side flange portion is provided with a guide body whose inner surface is in sliding contact with the outer peripheral surface of the fixed chute side flange portion, and the fixed chute side flange portion is provided on the guide body. A support guide that is slidably in contact with the upper surface of the outer peripheral portion is provided so that the position can be adjusted in the vertical direction. Self-propelled crusher. The main unloading device according to claim 1, wherein the unloading start end portion of the main unloading device is provided so as to protrude from the crushing device to the sorting device side, and the chute has a discharge port and a transfer start end portion of the main unloading device. A self-propelled crusher configured to be able to move to a position facing the conveyance start end portion of the sub carry-out device.   3. The self-propelled crushing according to claim 2, wherein a hopper for guiding an unnecessary crushing material discharged from the chute to the conveyance start end of the main carry-out device is provided at the conveyance start end of the main carry-out device. Machine.

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