JPWO2008010322A1 - Self-propelled crusher - Google Patents

Abstract

In arranging the magnetic separation device 10 for magnetically selecting magnetic substances mixed in the crushed material to be conveyed and conveyed above the carry-out conveyor 9, the magnetic separation device 10 is stably supported and a large amount of crushed material is carried out. In this case, it is possible to easily make the retracted position upward so that the crushed material does not clog the magnetic separator 10. The magnetic separation device 10 can swing and change between a working posture for performing magnetic separation work and an upward retracted posture by expansion and contraction of the hydraulic cylinder 22, and when the magnetic separation device 10 is in the working posture, the unloading conveyor 9 side The engaging pin 25a provided on the magnetic separator 10 side is inserted into the support groove 24a provided on the upper side from the upper side so as to be received and supported.

Description

  The present invention is a crushed material that is crushed by a crushing device typified by a jaw crusher or a shredder that pulverizes, crushes, or reduces the volume of material to be crushed, such as natural stone, concrete glass, and industrial waste, for recycling. The present invention belongs to the technical field of a self-propelled crusher equipped with a magnetic separation device for magnetically selecting magnetic substances mixed in an object.

In recent years, it is shredded in order to reduce the volume of various types of waste such as building waste such as concrete and wooden demolition materials, home appliances, tires, vending machines, plastic waste, etc. The crushing device such as a jaw crusher and a shredder is mounted on the airframe body provided with the traveling airframe, and the crushed material crushed by the crushing device is carried out to the outside by the main carry-out device such as a carry-out conveyor The demand for self-propelled crushers is increasing. By the way, in the said to-be-crushed object, magnetic bodies, such as a reinforcing bar, a nail, and a wire, may be contained. When the object to be crushed includes a magnetic material in this way, a magnetic separator is provided above the carry-out conveyor for carrying out the crushed material, and the magnetic material is selected by the magnetic separator. By the way, since such a magnetic separation apparatus is conventionally provided in a suspended (suspended) state on a bracket provided on the main body in a state of being positioned above the carry-out conveyor (for example, Patent Documents 1 to 4), a bad road When running, there is a problem that the magnetic separation device shakes and becomes unstable.
Therefore, there is known one in which a magnetic separator is fixed through a support lever provided on a carry-out conveyor (Patent Document 5).
JP-A-7-171436 JP-A-8-93244 JP-A-8-168690 JP 2004-50053 A JP-A-8-168691

  By the way, what supported the said magnetic separation apparatus with the carrying-out conveyor penetrated the pin in the support hole, and since manual equipment, such as a turnbuckle, was used as a means to raise / lower the magnetic separation apparatus, the pin was removed. It is necessary to move up and down in a state, and it is cumbersome and cumbersome and tends to be negligible.For this reason, for example, crushing wood-based waste materials that do not contain magnetic materials such as wood materials and polyvinyl chloride materials that do not contain magnetic materials, When changing the material to be crushed like shredding, it is common to increase the amount of crushing because it may be easily crushed. If the magnetic material is left in the posture to be close to the conveyor, there is a problem that the crushed material is clogged at the magnetic separator and cannot be smoothly carried out, and the present invention intends to solve them. There is a problem in that.

The present invention has been made in order to solve these problems in view of the above circumstances, and the invention of claim 1 is a crushing apparatus for crushing an object to be crushed and the crushing apparatus. A carry-out device for carrying the crushed material out of the machine, and a magnetic substance disposed in the crushed material being carried out and conveyed, magnetically attached to the crushed material, sorted out from the crushed material, and carried out of the machine. In a self-propelled crusher configured with a magnetic separator, the magnetic separator can be swung into a working posture for magnetically sorting magnetic materials and a retreating posture that swings upward and separates from the discharging device. A drive actuator for swinging and transforming the magnetic separator in both the above-mentioned positions is provided between the other end of the magnetic separator and the fuselage, and a carry-out device; Between the magnetic separator and the magnetic separator is transformed into a working posture It is self-propelled crushing machine according to claim that the magnetic selection device engaged detachably receiving support for receiving the support means is provided.
According to the second aspect of the present invention, a connecting bracket is provided at one end of the magnetic separator so as to project toward the machine body along the carry-out direction of the carry-out apparatus, and the connection bracket is pivotally supported on the machine body side. The self-propelled crusher according to claim 1, wherein
The invention according to claim 3 is the self-propelled type according to claim 1 or 2, characterized in that the drive actuator is a hydraulic cylinder located above the magnetic separator and arranged along the carry-out direction of the carry-out device. It is a crusher.
According to a fourth aspect of the present invention, the receiving and supporting means is provided on the left and right frames of the carry-out device, and is provided on a support bracket formed with a support groove that is expanded upward, and on the frame body side of the magnetic separator, 4. The device according to claim 1, further comprising an engagement pin that is fitted into and supported by the support groove from above when transformed into a working posture. 5. A traveling crusher.

According to the first aspect of the present invention, it is possible to change the magnetic separation device from the working posture to the retracted posture only by driving the drive actuator, whereby the magnetic separation device is placed in an appropriate posture based on the type of the object to be crushed. Although it can be easily performed, by setting the magnetic separation device to the working posture, the unloading device is supported and supported, and as a result, there is no problem even when traveling on a rough road.
According to the second aspect of the present invention, the magnetic separation device swings to the retracted posture together with the connecting bracket, and opens widely between the magnetic selective device and the carry-out device in the retracted posture. It is possible to surely avoid crushing material that is discharged in large quantities such as plastic waste such as vinyl from being clogged in the magnetic separator.
With the invention of claim 3, the swinging deformation of the magnetic separator can be easily performed using a hydraulic cylinder.
According to the fourth aspect of the present invention, it is possible to simply configure the mechanism for receiving and supporting the magnetically separable device that is transformed into the working posture.

It is a side view of a self-propelled crusher. It is a top view of a self-propelled crusher. It is a side view of a carry-out conveyor part. It is a top view of a magnetic separator. It is a front view of a magnetic separator. (A) (B) is the side surface enlarged view which shows the receiving support site | part of the carry-out conveyor of a magnetic separator, and the front enlarged view which notched one part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Self-propelled crusher 3 Base frame 4 Crushing device 9 Unloading conveyor 10 Magnetic separator 18 Connection bracket 19 Support shaft 22 Hydraulic cylinder 24a Support groove 25a Engagement pin

  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 has a jaw crusher or a shredder at a substantially central portion in the front-rear direction of a base frame 3 that is attached to and supported by a crawler type traveling body 2. The crushing device 4 which consists of etc. is mounted.

  On the other hand, in front of the crushing device 4, there is disposed a control section 7, a power chamber 8 in which an engine, a hydraulic pump, etc. (not shown) are accommodated. In addition, the carry-out conveyor 9 for discharging the processed material crushed by the crushing device 4 from the lower side of the crushing device 4 to the lower side of the power chamber 8 and further protrudes toward the upper front of the machine body. Has been.

  Reference numeral 10 denotes a magnetic separation device disposed above the middle part of the carry-out conveyor 9. The magnetic separation device 10 includes various kinds of materials such as reinforcing bars contained in a concrete block or magnetic materials mixed in industrial waste after crushing. The magnetic body is magnetically attached with a magnet (permanent magnet or electromagnet) and discharged outside the apparatus. Specifically, the magnetic separator 10 includes a rectangular frame 11 that is long in the left-right direction so as to protrude from the left and right edges of the carry-out conveyor 9 in the left-right direction, and a hydraulic motor ( Actuator) 12a is connected to drive roller 12, driven roller 13 is provided at the other end, conveyor belt 14 is suspended between rollers 12 and 13, and magnet 15 is interposed between upper and lower conveyor belts 14. Is provided. Then, along with the transport movement of the transport belt 14 in conjunction with the drive of the hydraulic motor, the magnetic material contained in the crushed material transported by the carry-out conveyor 9 is magnetically attached and selected from the crushed material, and the left-right direction side of the carry-out conveyor 9 It is designed to discharge towards the direction.

  The magnetic separator 10 is attached as follows. That is, a pair of left and right support brackets 16 project from the front end of the base frame 3 toward the front, and the lower ends of the support brackets 16 project upward from the left and right frames 9 a of the carry-out conveyor 9. The brackets 16 and 17 are integrated with each other.

  On the other hand, a pair of left and right connecting brackets 18 project rearward from the rear end edge of the frame 11 of the magnetic separator 10 in a state corresponding to the support bracket 16, and the rear end of the connecting bracket 18 is The support bracket 16 is pivotally supported by a support shaft 19 so as to be swingable up and down. Further, a support frame 20 protrudes forward from the front end edge of the frame body 11 in a state of being positioned approximately in the center in the left-right direction, and a connection bracket 21 protrudes upward from the upper surface of the support frame 20. The rod end of a hydraulic cylinder (extension actuator) 22 is connected to the connection bracket 21 through a support shaft 21a so as to be swingable. The cylinder cylinder end of the hydraulic cylinder 22 is pivotally supported by a connecting bracket 23 provided on the base frame 3 in a state of being positioned above the support bracket 16 via a support shaft 23a. Then, the magnetic separator 10 has an operation posture in which the magnetic material is magnetically separated by facing the carry-out conveyor 9 by the expansion and contraction operation of the hydraulic cylinder 22, and an inclination (in front and rear and low) at the upper rear of the carry-out conveyor 9. It can be swung and changed into a retracted posture in which the space facing the unloading conveyor 9 is widened.

  Further, the left and right frames 9a of the carry-out conveyor 9 are fixed to the left and right frames 9a so that the support bracket 24 protrudes upward. A support groove 24a having an upper opening is formed at the upper end of the support bracket 24. Yes. On the other hand, on the lower surface of the front end portion of the frame body 11 of the magnetic separator 10, a pair of locking brackets 25 facing the support bracket 24 in a state where the support bracket 24 is sandwiched between the left and right sides are projected downward and forward. An engagement pin 25 a is provided between the locking brackets 25. When the magnetic separator 10 is in the working posture, the engagement pin 25a is fitted into and supported by the support groove 24a from above so that the front portion of the magnetic separator 10 can be received and supported by the carry-out conveyor 9. It has become.

  In the embodiment of the present invention configured as described above, when the magnetic separator 10 is used, the hydraulic cylinder 22 is extended so that the engagement pin 25a is fitted into the support groove 24a to be engaged and supported. In this way, the magnetic separator 10 can be supported in both the upper and lower sides, that is, supported by the hydraulic cylinder 22 and received and supported by the support groove 24a of the engagement pin 25a. The magnetic separation work can be performed. In addition, in this stabilized posture, it is possible to avoid the magnetic separation device 10 from fluctuating even if the airframe vibrates or tilts due to traveling on a rough road.

  On the other hand, when there is no magnetic substance mixed in the material to be crushed, there is no need to use the magnetic separator 10, but especially waste such as wood waste and plastic waste such as polyvinyl chloride. In the case where mass crushing is possible, it is necessary to prevent the crushed material discharged and conveyed in large quantities from being caught by the magnetic separator 10, and in that case, the hydraulic cylinder 22 is reduced and the magnetic separator 10 is swung upward. In this case, the engagement pin 25a is automatically pulled out of the support groove 24a based on the upward swing of the magnetic separator 10, so that the pin is pulled out one by one. There is no need to do so, and workability is improved.

  In addition, when the magnetic separation device 10 swings to the retracted posture, the swing is swinging with the support shaft 19 provided on the connecting bracket 18 protruding from the frame 11 along the rearward direction of the unloading conveyor 9 as a fulcrum. Therefore, the magnetic separation device 10 is largely retracted upward as compared with the case where the frame body 11 is directly swung, so that it opens widely with the carry-out conveyor 9, and as a result, the crushed material is removed. It is possible to more reliably avoid being caught by the magnetic separator 10.

  Moreover, in this structure, the magnetic separation device 10 is swung by the expansion / contraction operation of the hydraulic cylinder 22 in a state along the carry-out direction of the carry-out conveyor 9 in a state of being positioned above the magnetic separation device 10. A simple and reliable rocking appearance can be achieved.

In addition, in this case, the receiving support mechanism of the magnetic separator 10 is received by the engagement pin 25a provided on the magnetic separator 10 being inserted into the upper opening-like support groove 24a provided on the carry-out conveyor 9 side from above. Since it is configured to be stopped and supported, it can be reliably received and supported with a simple structure.
Incidentally, this receiving support mechanism is the same as that of the above embodiment, that is, even if an engagement groove is formed on the magnetic separator 10 side and a support pin is formed on the carry-out conveyor 9 side. can do.

  The present invention is useful in the field of a self-propelled crusher equipped with a magnetic separator that magnetically sorts magnetic materials mixed in crushed materials such as industrial waste crushed for recycling. The magnetic separation device can be easily transformed into a working posture and a retracted posture based on the type of material to be crushed, so that not only can a large amount of crushed material be blocked in the magnetic separation device, but also the magnetic separation device In the working posture, the unloading device is supported and supported, and the magnetic separation device can be prevented from shaking and becoming unstable even when traveling on a rough road.

Claims (4)

  A crushing device that crushes the material to be crushed, a carry-out device that carries the crushed crushed material out of the machine, and a magnetic substance contained in the crushed material that is arranged above the carry-out device and carried out and conveyed. A self-propelled crusher comprising a magnetic separation device that is attached to and separated from the crushed material and transported out of the machine. One end is pivotally supported so as to swing and change to the retracted position away from the ejector, and the magnetic separator is swung between the other end of the magnetic separator and the fuselage in both positions. A drive actuator for changing the shape is provided, and a receiving support means is provided between the carry-out device and the magnetic separation device for receiving and supporting the magnetic separation device detachably when the magnetic separation device is changed to a working posture. A self-propelled crusher characterized by   2. The magnetic separator according to claim 1, wherein a connecting bracket is provided at one end of the magnetic separator so as to project toward the machine body along the carry-out direction of the carry-out apparatus, and the connection bracket is pivotally supported on the machine body. Self-propelled crusher.   The self-propelled crusher according to claim 1 or 2, wherein the drive actuator is a hydraulic cylinder located above the magnetic separator and arranged in a state along the carry-out direction of the carry-out device.   The receiving support means is provided on the left and right frames of the carry-out device, and is provided on the support bracket in which the upper support groove is formed and on the frame body side of the magnetic separator, and when the magnetic separator is transformed into a working posture. The self-propelled crusher according to any one of claims 1 to 3, further comprising an engagement pin that is fitted into and supported by the support groove from above.

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