JP2016526518A - Reclaimer bucket assembly - Google Patents

Abstract

In the present invention, it is possible to remove the deposits attached to the inside of each bucket of the bucket assembly constituting the reclaimer, but the operation for removing the deposits is performed by rotating the bucket without additional power consumption. The present invention relates to a bucket assembly for a reclaimer according to a new configuration. To this end, the present invention includes a frame body, a bucket wheel, a plurality of buckets, a rotating shaft, an adhering substance removing unit, and an operating unit, and has a simple overall structure, but with a separate power source. There is provided a bucket assembly for a reclaimer, which is smoothly operated without using a hood and can remove deposits in each bucket 230.

Description

  The present invention relates to a reclaimer, and more particularly, it is possible to remove deposits adhering to the inside of each bucket of a bucket assembly constituting the reclaimer, but by rotating the bucket without additional power consumption. The present invention relates to a bucket assembly for a reclaimer according to a new mode in which an operation for removing the deposit is performed.

  Generally, raw materials such as ores used in steelworks and coal used as fuel for melting ores during blast furnace operations are transferred to ships and after cargo handling work at the adjacent wharf of the steelworks The raw materials, coal, etc. that are transported to the steelworks via the ground conveyor and are loaded on the adjacent wharf are delivered to the ground conveyor by the reclaimer.

  Here, as described above, the reclaimer is a device that discharges a loaded material 1 such as a loaded raw material or coal by a ground conveyor (not shown), and is attached to the tip of a boom frame (not shown). As shown in FIG. 1, after each bucket 23 is rotated and the load 1 is pumped up in a state where the bucket wheel 22 of the bucket assembly 20 is rotatably provided, the ground conveyor is passed through the belt conveyor 11 on the boom frame. Configured to pay out.

  In the case of a load, it is not only provided in a completely dry state, there are not only some water-containing loads that contain moisture, but also to prevent dust from flying when the load 1 is discharged. Considering that water to be sprinkled is included, a part of the load 1 (part of the load having moisture) is transferred to each bucket 23 of the bucket assembly 20 in the process of pumping the load 1. A phenomenon of adhering to the inner wall surface of the bucket 23 occurs.

  The load 1 attached to the inner wall surface of the bucket 23 sharply reduces the amount of payout by the bucket 23, and the amount of load attached to each bucket 23 differs, so that the wheel balance is uneven. As a result, the bucket assembly 20 is not smoothly rotated, and there is a problem that the reclaimer is easily damaged due to an increase in load caused by the attached load 1.

  On the other hand, conventionally, as disclosed in Korean Registered Utility Model Publication No. 20-0188956 (Patent Document 1) and Korean Registered Patent Publication No. 10-1046146 (Patent Document 2), it adheres to the inside of the bucket. The load (hereinafter referred to as "removal means") is removed to remove the load and prevent an increase in load and malfunction. .

  However, the apparatus described in Patent Document 1 is configured to operate by the weight of the removing unit so that the deposits attached to the inner wall surface of the bucket 23 are removed, thereby rotating the bucket assembly 20. When the speed is low, the striking force only weakens as the rotation of the removal means due to its own weight slowly progresses, and there is a problem in that the deposits on the inner wall surface of the bucket 23 cannot be removed smoothly.

  Further, even in the case of the apparatus described in Patent Document 2, if the removal means is configured to be operated by the dead weight of the square block, the above-described problems of the apparatus of Patent Document 1 are present. In addition, the apparatus of Patent Document 2 has a further problem that application to a substantial product has to be extremely difficult because the overall structure is complicated.

  The present invention has been devised in order to solve various problems caused by the prior art described above, and the object of the present invention is to simplify the structure for removing deposits in the bucket as much as possible. Another object of the present invention is to provide a bucket assembly for a reclaimer according to a new configuration which can sufficiently provide a removal force for removing deposits regardless of the rotational speed of the bucket assembly.

  According to the reclaimer bucket assembly of the present invention for achieving the above object, the reclaimer boom frame is provided at the tip of the boom frame of the reclaimer and provides a space for installation of the drive motor, and is forced by the drive force of the drive motor A frame body that supports the rotating drive shaft, a bucket wheel that is coupled to the tip of the drive shaft, rotates together with the drive shaft, and is fixedly provided along the circumference of the bucket wheel. A plurality of buckets for pumping a load while turning around the drive shaft; and a rotary shaft provided so as to be rotatable through the side wall of the bucket and having both ends projecting into and out of the bucket; , Rotated with the rotary shaft in a state of being located inside each bucket, and adhered to the inner wall surface of the bucket A deposit removing unit that scrapes and removes the kimono, and the frame body and the rotating shaft are provided corresponding to the rotating shaft. When the rotating shaft reaches a specific position by the rotation of the bucket wheel, the rotating shaft is forcibly forced. And a rotating operation unit.

  Here, the operating unit is fixed to a part protruding outside the bucket among the parts of the rotating shaft, and the pinion that rotates together with the rotating shaft, and the movement of the pinion among the parts of the frame body The rack includes a rack that is positioned on a path and meshes with the pinion to rotate the pinion when the rotation shaft reaches the corresponding position.

  In addition, the rack that forms the operation unit includes a forward rack that is fixed to a lower side on a path along which the pinion moves so that the rotation shaft rotates in the same direction as the bucket wheel, and the rotation shaft The rack is configured to include a rack on the reverse side fixed to the upper side on a path along which the pinion moves so as to rotate in a direction opposite to the bucket wheel.

  In addition, the forward side rack and the reverse side rack that form the operation unit are provided as two or more, respectively, and are provided along a path along which the pinion is moved.

  In addition, the rack constituting the operation unit is disposed between a portion where the load pumped up by the bucket is dropped and a portion where the load is pumped up by the bucket.

  The rotating shafts are respectively provided on the wall surfaces on both sides of the bucket, and the deposit removing part is fixed to the rotating shafts whose both ends are positioned on the wall surfaces on both sides of the bucket. The flat plate is bent in multiple stages so as to form a structure corresponding to the inner wall surface of the bucket.

  The bucket assembly for the reclaimer of the present invention as described above, at the time when each bucket pumps up the load by the repetitive operation of the deposit removal unit by the rotation of the bucket wheel, the rotation of each bucket and the operation of the operation unit, The remaining load in the bucket is minimized, thereby having the effect of carrying out as much of the load as possible.

  The reclaimer bucket assembly according to the present invention has a simple structure for forward / reverse rotation of the deposit removing part, and is thus far more advantageous than the conventional prior art in manufacturing unit cost, assembly work, and work time. Has an effect.

  In the reclaimer bucket assembly of the present invention, the forward / reverse rotation of the deposit removal unit is not performed by its own weight, but is forcibly performed using the relationship between the rack and the pinion. Regardless of this, the deposit can be removed with a constant deposit removing force at all times, and the process is continuously repeated to remove deposits in the bucket more smoothly. It has the effect.

FIG. 1 is a state diagram schematically illustrating a typical reclaimer bucket assembly. FIG. 2 is a front view for explaining the bucket assembly for the reclaimer according to the embodiment of the present invention. FIG. 3 is a perspective view for explaining the structure of the bucket wheel, each bucket, the deposit removal unit, and the operation unit of the reclaimer bucket assembly according to the embodiment of the present invention. FIG. 4 is an enlarged view of a portion “A” in FIG. FIG. 5 is an enlarged view of a portion “B” in FIG. FIG. 6 is a side view illustrating a reclaimer bucket assembly according to an embodiment of the present invention. FIG. 7 is a partially enlarged cross-sectional view schematically illustrating the operation state of the deposit removing unit of the reclaimer bucket assembly according to the embodiment of the present invention. FIG. 8 is a partially enlarged cross-sectional view schematically illustrating the operation state of the deposit removal unit of the reclaimer bucket assembly according to the embodiment of the present invention. FIG. 9 is a partially enlarged cross-sectional view schematically illustrating the operation state of the deposit removal unit of the reclaimer bucket assembly according to the embodiment of the present invention. FIG. 10 is a partially enlarged cross-sectional view schematically illustrating the operation state of the deposit removal unit of the reclaimer bucket assembly according to the embodiment of the present invention.

  Hereinafter, a preferred embodiment of the reclaimer bucket assembly of the present invention will be described with reference to FIGS.

  FIG. 2 is a front view illustrating a reclaimer bucket assembly according to an embodiment of the present invention, and FIG. 3 is a perspective view illustrating the reclaimer bucket assembly according to the embodiment of the present invention. FIG. 6 is a side view showing a reclaimer bucket assembly according to an embodiment of the present invention.

  As shown in these drawings, a bucket assembly 200 for a reclaimer according to an embodiment of the present invention includes a frame body 210, a bucket wheel 220, a plurality of buckets 230, a rotating shaft 240, and an adhering matter removing unit 250. And the operation unit, and the overall structure is simple, but it can be smoothly operated without using separate power, and the deposits in each bucket 230 can be removed. As a feature.

  This will be described in more detail for each configuration.

  First, the frame body 210 is a part forming the skeleton of the bucket assembly 200.

  The frame body 210 is provided at the tip of a boom frame that forms a reclaimer, and is configured to provide a space in which the drive motor 201 is provided on one side.

  The frame body 210 is provided with a drive shaft 202. At this time, one end of the drive shaft 202 is coupled to a speed reducer 203 for reducing the rotation speed of the drive motor 201 and increasing the torque. The other end is positioned on the other side of the frame body 210 (the side opposite to the side where the driving motor is provided) and is rotatably supported by the bearing 205 while being configured to transmit the driving force. Provided.

  A guide frame 204 is provided on the other side of the frame body 210. At this time, the guide frame 204 is formed of a fan-shaped cylindrical body that separates an open part inside the bucket 230 from a part where a bucket 230 described later pumps the load 1 to a part where the load 1 flows down from the bucket 230, Inside the guide frame 204, the tip of the belt conveyor 11 of a boom frame (not shown) is located.

  Next, the bucket wheel 220 is a part that is rotated by the driving force of the drive motor 201 and forcibly turns each bucket 230.

  The bucket wheel 220 is positioned outside the guide frame 204 on the other side of the frame body 210 (the side opposite to the side where the drive motor is positioned), and at the tip of the drive shaft 202 positioned on the corresponding side. Coupled and configured to rotate with drive shaft 202.

  At this time, a ring wheel 221 is provided inside the guide frame 204, and the ring wheel 221 serves to fix each bucket 230 described later together with the bucket wheel 220.

  Next, the plurality of buckets 230 draws up the load 1 in a state of being loaded while turning around the drive shaft 202 by the rotation of the bucket wheel 220, and carries it to the belt conveyor 11 positioned inside the guide frame 204. It is a part.

  Each bucket 230 is fixed between the bucket wheel 220 and the ring wheel 221, is rotated with the bucket wheel 220 and the ring wheel 221, and is provided so as to turn around the drive shaft 202.

  In particular, each bucket 230 is formed of a tubular body whose part on the moving direction side is opened, and after opening the load 1 while turning around the drive shaft 202, the opening part is defined when passing through the guide frame 204. The load is dropped onto a bucket wheel chute.

  At this time, the separation distance between each bucket 230 is determined in consideration of various external factors such as the moving speed of the bucket 230, the size of the bucket 230, and workability.

  Next, the rotating shaft 240 is provided with a deposit removing unit 250 to be described later, and forcibly rotates the deposit removing unit 250.

  Here, the rotating shaft 240 is provided so as to be rotatable through both side wall surfaces of the bucket 230, and is positioned so that both ends protrude inside and outside the bucket 230.

  At this time, the protruding distance of the protruding portion that protrudes outside the bucket 230 out of both ends of the rotating shaft 240 is configured to exceed the position of the ring wheel 221.

  In addition, the contact portion between the rotating shaft 240 and the bucket 230 is maintained in a stable installation state while the rotating shaft 240 is smoothly rotated using a bearing (not shown), for example. It is preferable that

  In particular, the rotating shafts 240 are provided so that two of them form a pair, and are respectively rotatably provided on the wall surfaces on both sides of each bucket 230.

  Next, the attached matter removing unit 250 is configured to remove the attached matter attached to the inside of each bucket 230 so as to be rotatable inside each bucket 230, which is shown in FIGS. 7 to 10 as shown.

  The adhering matter removing unit 250 has one end coupled to the rotating shaft 240 provided on one side wall surface of the bucket 230 and the other end provided on the other side wall surface of the bucket 230. The inner part is connected to the inner wall of the bucket 230 and is formed of a flat plate that is bent in multiple stages so as to form a structure corresponding to the inner wall surface of the bucket 230. That is, the deposit removing part 250 is formed in a flat plate structure so that the deposit removing part 250 can function as a blade and can smoothly separate deposits in the bucket 230 from the inner wall surface of the bucket 230. It is.

  Of course, the deposit removing part 250 can be configured by a bar structure, a rod, a pipe, or the like, and the end surface (surface on the rotation direction side) is formed sharply like a blade. You can also

  Further, the deposit removing unit 250 is preferably positioned so as to be adjacent to the inner wall surface of the bucket 230 as much as possible. In this case, the deposit removing unit 250 may be caught by the inner wall surface of the bucket 230 when the deposit removing unit 250 rotates, Since a problem such as rubbing the inner wall surface of the bucket 230 may occur, it is most preferable to separate the bucket 230 by a distance considering such a problem.

  Next, the operation unit is provided corresponding to the frame body 210 and the rotation shaft 240 as a configuration for forcibly rotating the rotation shaft 240 when the rotation shaft 240 reaches a specific position by the rotation of the bucket wheel 220. .

  In the embodiment of the present invention, the operating unit is fixed to a part of the rotating shaft 240 that protrudes to the outside of the bucket 230, and the pinion 261 that rotates together with the rotating shaft 240 and the movement path from the frame body 210 to the pinion 261. And includes racks 262 and 263 that engage with the pinion 261 and rotate the pinion 261 when the pinion 261 reaches the position. Present as.

  That is, when each bucket 230 passes through a specific position (a position where the rack of the frame body is formed) while turning the drive shaft 202 by the rotation of the bucket wheel 220, the pinion 261 fixed to the rotation shaft 240 is the rack 262. The rotating shaft 240 and the deposit removing unit 250 are forcibly rotated by meshing with the H.263.

  In particular, the racks 262 and 263 forming the operating unit include a forward rack 262 fixed on a lower side on a path along which the pinion 261 moves so that the rotating shaft 240 rotates in the same direction as the bucket wheel 220, and The rotating shaft 240 is configured to include a rack 263 on the reverse direction side fixed to the upper side on the path along which the pinion 261 moves so as to rotate in the direction opposite to the bucket wheel 220.

  That is, when the pinion 261 meshes with the forward rack 262 and rotates in the forward direction, the deposit removing unit 250 is moved in the forward direction from the tip in the bucket 230 to the inflow / outflow side of the load. When the 261 meshes with the rack 263 on the reverse direction and rotates in the reverse direction, the deposit removing unit 250 is moved in the reverse direction from the loading / unloading side of the load of the bucket 230 to the front end of the load, It is designed to return to the position. At this time, the rack 262 on the forward direction side is arranged so as to be positioned at a position that is reached preferentially compared to the rack 263 on the reverse direction side in the movement path of the bucket 230.

  Of course, although not shown, the forward-side rack 262 and the reverse-side rack 263 that constitute the operation unit are provided as two or more, respectively, and sequentially along the path along which the pinion 261 is moved. More preferably, it is provided. This is because the deposit removing unit 250 can remove the deposit while reciprocating a plurality of times, and the deposit removing performance can be further improved.

  In the embodiment of the present invention, the racks 262 and 263 forming the operation unit are positioned between a portion where the load 1 pumped by the bucket 230 is dropped and a portion where the load 1 is pumped by the bucket 230. As a feature.

  This is because, in the process in which the load 1 is pumped up by the bucket 230 and carried out to the belt conveyor 11 of the boom frame, most of the load 1 in the bucket 230 falls so that only deposits exist, This is because the deposit removing unit 250 can operate so that the deposit removing unit 250 can minimize the load provided by the load 1.

  Hereinafter, the operation process of the above-described reclaimer bucket assembly according to the embodiment of the present invention will be described more specifically.

  First, when the operation of the bucket assembly 200 is controlled and the drive motor 201 is driven in a state where the bucket assembly 200 is conveyed to the position where the load 1 is loaded by the operation of the boom frame, The driving force is transmitted to the drive shaft 202 after being decelerated so as to have a constant rotational speed via the speed reducer 203.

  As a result, the drive shaft 202 is rotated, and the bucket wheel 220 coupled to the tip of the drive shaft 202 is also rotated together with the drive shaft 202.

  When the bucket wheel 220 rotates, the buckets 230 provided along the circumference of the bucket wheel 220 are operated together with the bucket wheel 220 to turn around the drive shaft 202, and such a turning operation of each bucket 230 is performed. Thus, each bucket 230 repeatedly passes through the loading portion of the load 1 to pump up the load 1 and then unloads the load 1 onto the belt conveyor 11 provided on the boom frame.

  At this time, considering that the guide frame 204 is provided from the portion where the bucket 230 pumps up the load to the portion where the load is dropped, the load is loaded until the bucket 230 is out of the position of the guide frame 204. It becomes possible to maintain the state in which the object 1 is put in the bucket 230, and the load 11 in the bucket 230 is dropped from the bucket 230 onto the bucket wheel chute from the time when the bucket 230 moves out of the position of the guide frame 204, It is carried out to the belt conveyor 11 located in the boom frame.

  And as above-mentioned, after the load 1 carried out to the belt conveyor 11 is moved along the belt conveyor 11, while being provided to a ground conveyor, it is conveyed to a steelworks by a ground conveyor.

  The above-described operation is continuously repeated until the power supply to the drive motor 201 by separate control is cut off.

  On the other hand, part of the load 1 is attached to the inner wall surface of each bucket 230 while the load 1 is being carried out to the belt conveyor 11 provided on the boom frame by the operation of the bucket assembly 200 as described above. It will be in the state.

  That is, considering that the load 1 is not in a completely dry state but is partially in a state of moisture, the moisture content of the load 1 gradually increases as the load 1 is pumped out. As the viscosity of the load 1 increases due to moisture, a part of the load 1 is attached to the inner wall surface of the bucket 230, and the attached matter exceeds the position of the guide frame 204. Even if it reaches a position where it is completely turned over, it is held in a state of adhering to the inner wall surface of the bucket 230.

  However, while the rotation of the bucket wheel 220 by the operation of the bucket assembly 200 and the turning of each bucket 230 are progressing, the deposit removing unit 250 provided in each bucket 230 repeatedly rotates in the forward and reverse directions. By doing so, a part of the load 1 attached to the inner wall surface of the bucket 230 by the deposit removing unit 250 (that is, the deposit) is forcibly dropped and dropped by its own weight and removed from the inside of the bucket 230. .

  That is, the pinion 261 provided at the outer end of the rotating shaft 240 is moved together with the bucket 230 by the turning movement of each bucket 230, and the forward direction provided in the frame body 210 as shown in FIGS. 7 and 8 attached thereto. In this process, the pinion 261 meshes with the forward rack 262 and is forcibly rotated to rotate the rotating shaft 240, whereby the deposit removing unit 250 coupled to the rotating shaft 240 is also connected. Forcibly rotating to forcibly remove deposits on the inner wall surface of the bucket 230.

  In particular, the pinion 261 rotated in the forward direction while passing through the rack 262 on the forward direction side is positioned on the movement path of the pinion 261 as shown in FIGS. When the pinion 261 passes through the rack 263 on the reverse direction side, the rotation of the rotating shaft 240 and the rotation of the deposit removing unit 250 are performed. The kimono removing unit 250 can return to the initial position (the inner end of the bucket).

  As a result, the bucket assembly 200 for the reclaimer according to the present invention is configured so that each bucket 230 loads the load 1 by the rotation of the bucket wheel 220 and the repetitive operation of the deposit removing unit 250 by the rotation of the bucket 230 and the operation of the operation unit. At the time of pumping up, the remaining load 1 in the bucket 230 is minimized, so that a maximum amount of the load 1 can be carried out.

  In particular, the reclaimer bucket assembly 200 according to the present invention has a simple structure for forward / reverse rotation of the deposit removing unit 250, and thus is much more advantageous than the conventional prior art in manufacturing unit cost, assembly work, and work time. It is.

  Further, in the reclaimer bucket assembly 200 of the present invention, the forward / reverse rotation of the deposit removing unit 250 is not performed by its own weight, but is forcedly performed using the relationship between the racks 262 and 263 and the pinion 261. Therefore, regardless of the rotational speed of the bucket wheel 220, the deposits can be removed with the deposit removing force having a constant force, and the deposits in the bucket 230 can be removed by continuously performing the process. Furthermore, it has the advantage that it can be done smoothly.

  DESCRIPTION OF SYMBOLS 1 ... Load, 11 ... Belt conveyor, 200 ... Bucket assembly, 201 ... Drive motor, 202 ... Drive shaft, 203 ... Reduction gear, 204 ... Guide frame, 205 ... Bearing, 210 ... Frame body, 211 ... Extension frame, 220 ... bucket wheel, 221 ... ring wheel, 230 ... bucket, 240 ... rotating shaft, 250 ... debris removing section, 261 ... pinion, 262 ... forward rack, 263 ... reverse rack.

Claims (6)

A frame body provided at the tip of the boom frame of the reclaimer, providing a space for installing the drive motor, and supporting a drive shaft that is forcibly rotated by the drive force of the drive motor;
A bucket wheel coupled to the tip of the drive shaft and rotated together with the drive shaft;
A plurality of buckets which are fixedly provided along the circumference of the bucket wheel and pump up the load while turning around the drive shaft by the rotation of the bucket wheel;
A rotating shaft that is rotatably provided through the side wall of the bucket and is positioned so that both ends protrude inside and outside the bucket;
An adhering matter removing unit that rotates with the rotating shaft in a state of being located inside each bucket and scrapes off adhering matter adhering to the inner wall surface of the bucket;
An operation unit that is provided corresponding to the frame body and the rotation shaft, and forcibly rotates the rotation shaft when the rotation shaft reaches a specific position by rotation of the bucket wheel. A bucket assembly for a reclaimer. The operating unit is
A pinion that is fixed to a portion of the rotating shaft that protrudes outside the bucket and rotates together with the rotating shaft;
A rack that is provided on an extension frame that extends from the frame body to the movement path of the pinion, and engages with the pinion and rotates the pinion when the pinion reaches a corresponding position. The bucket assembly for a reclaimer according to claim 1, comprising: The rack forming the operating part is
A forward rack fixed to the lower side on a path along which the pinion moves so that the rotating shaft rotates in the same direction as the bucket wheel;
The rack of the reverse direction fixed to the upper side on the path | route to which the said pinion moves so that the said rotating shaft may rotate in the direction opposite to the said bucket wheel, It is comprised, It is comprised. A reclaimer bucket assembly as described in 1.   The forward-side rack and the reverse-side rack that form the operation unit are provided as two or more, respectively, and are respectively provided along a path along which the pinion is moved. Reclaimer bucket assembly.   The rack constituting the operation unit is disposed between a portion where the load pumped up by the bucket is dropped and a portion where the load is pumped up by the bucket. The reclaimer bucket assembly according to any one of the preceding claims. The rotating shafts are respectively provided on both side walls of the bucket;
The adhering matter removing portion is fixed to each rotating shaft positioned on both wall surfaces of the bucket at both ends, and the inner portion is bent in multiple stages so as to form a structure corresponding to the inner wall surface of the bucket. The reclaimer bucket assembly according to claim 1, comprising a flat plate.

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