WO2015046946A1

WO2015046946A1 - Digging part for continuous ship unloader

Info

Publication number: WO2015046946A1
Application number: PCT/KR2014/009011
Authority: WO
Inventors: 정장영; 이종수; 고굉욱
Original assignee: 에스엠에이치 주식회사
Priority date: 2013-09-30
Filing date: 2014-09-26
Publication date: 2015-04-02
Also published as: KR101357796B1

Abstract

The present invention relates to a digging part for a continuous ship unloader according to a novel form, which is capable of pulverizing, in advance, a loaded product piled on two side portions of the continuous ship unloader while coal is carried out by the continuous ship unloader. To this end, the present invention provides the digging part for the continuous ship unloader comprising: a swing frame; a rear sprocket; a frontal sprocket; and a digging frame, wherein the digging frame is further provided with a spike portion, so that a portion of the loaded product piled on side portions of the digging part can be pulverized and dug up by the spike portion.

Description

Digging Device of Continuous Unloading Machine

The present invention relates to a continuous unloading machine, and more particularly, to a new form in which loads accumulated on both sides of the continuous unloading machine can be crushed in advance during the operation of discharging raw materials such as coal by the continuous unloading machine. The present invention relates to a digging device for a continuous unloader.

In general, raw materials such as ore used in steel mills and coal used as fuel for melting ore during blast furnace operation are transported to ships and carried out at the docks of the steel mills to be transported to the steel mills through conveyors. do.

Loading and unloading loads such as raw materials (eg, ore) and coal to the ship is performed by a continuous ship unloader (CSU), which is shown in FIG. The body portion 10 is moved along the pier as described above, the boom (20) is installed to be elevated and rotatable in the body portion 10, and installed in a state perpendicular to the end of the boom 20 Digging device for guiding and supporting the movement of the chain 50 and the bucket 60 while being located in the loading space of the vessel together with the bucket elevator 30 and the lower portion of the bucket elevator 30. part 40).

That is, each bucket 60 is a bucket elevator 30 and the digging device 40 in the state in which the digging device 40 is accommodated in the loading space of the ship by the movement and rotation of the body portion 10 and the boom 20. The excavation and extraction of the load in the loading space while being repeatedly lifted continuously in an orbital manner along.

However, the above-mentioned conventional continuous unloading machine is a load existing on the side of the digging device 40 (one side of the direction perpendicular to the moving direction of the bucket) in the process of unloading the load loaded in the loading space of the vessel Due to the problem that the digging device 40 was not easily moved, there was a problem that the operation of the corresponding equipment would occur when the load collapsed.

In addition, when the digging device 40 is brought close to the fork to dug up the load accumulated on the side wall in the loading space, there is a fear that the digging device 40 may be damaged due to the impact of the digging device 40 on the inner wall surface of the ship.

Of course, in the prior art, the load placed in front of the digging device 40, as disclosed in Patent Publication No. 10-2004-0040091, Patent Publication No. 10-1159671 and Patent Publication No. 10-1159669 And a load crushing structure (not shown) for removing, a load crushing structure according to the prior art is provided so that it is possible to preferentially crush and remove the load on the side that is excavated by each bucket 60. Since only the structure is a structure that can not be crushed or removed of the load loaded on both sides of the digging device 40, but still had the various problems described above.

In particular, when the load crushing structure disclosed in the above-described prior arts is configured to interlock with each sprocket 42,43 for guiding and supporting the movement of the chain 50, the load generated when the load crushing by the load crushing structure is broken. Was to be delivered to each of the sprockets 42 and 43 intact, and there is a problem that various losses such as inoperability or damage of each sprocket 42 and 43 are additionally caused.

The present invention has been made in order to solve the various problems according to the prior art described above, the object of the present invention is to advance the load accumulated on both sides of the continuous unloader during the operation of the coal unloading operation by the continuous unloader The present invention provides a digging device for a continuous unloader according to a new form that can be shredded.

According to the digging device of the continuous unloader of the present invention for achieving the above object is a swing frame which is installed on the bucket elevator to form a skeleton; A rear sprocket rotatably installed at a lower end of the swing frame; A front sprocket spaced apart from the front side of the rear sprocket; A digging frame connecting the rear sprocket and the front sprocket to each other and rotatably installed in the front sprocket; A chain connected along the bucket elevator to sequentially pass through the front sprocket and the rear sprocket; A plurality of buckets for mining and loading loads while moving with the chain in a state in which the chain is installed; And spikes having a plurality of spikes protruding outwardly in a direction perpendicular to the moving direction of each bucket, provided on the outer wall surfaces of at least one of the outer wall surfaces on both sides of the digging frame. It is done.

Here, the spike portion comprises a coupling plate provided on the outer wall surface of the digging frame, each spike constituting the spike portion is fixed to the outer wall surface of the coupling plate, the other end from the outer wall surface of the coupling plate It is characterized in that it is configured to project outward.

In addition, the coupling plate constituting the spike portion is installed so as to be movable in the longitudinal direction of the digging frame, the digging frame is characterized in that it further comprises a moving part for moving back and forth the coupling plate.

In addition, the moving unit is characterized in that it consists of a double rod-type cylinder for transmitting the moving force to the front and rear in a state that both rods are connected to the coupling plate, respectively.

In addition, the coupling plate constituting the spike portion is rotatably installed on the digging frame, the digging frame is characterized in that it further comprises a rotation drive unit for providing a rotational force to rotate the coupling plate.

In addition, the outer wall surface of the front sprocket and the outer wall surface of the rear sprocket is rotated together with each of the sprockets and is configured to further comprise a plurality of crushing impeller protruding to excavate the load existing in the outer portion of each sprocket. It is done.

As described above, the digging device of the continuous unloading machine of the present invention has an effect of preventing the occurrence of interference due to the load placed on the side of the digging device due to the additional provision of the spike portion. Have

In addition, the digging device of the continuous unloading machine of the present invention is provided by the chain or each sprocket and bucket during the unloading operation of the load because the spike portion serves to primarily crush the load when the load is frozen state, such as copper. It has the effect of reducing the load as much as possible.

In addition, the digging device of the continuous unloader according to the present invention does not need to be attached to the side wall in the loading space because the digging device can be mined smoothly with the spike portion of the load adjacent to the side wall in the loading space of the ship, thereby The problem that the side wall in the loading space is damaged by the digging device can be solved.

1 is a state diagram shown to explain the structure of the continuous unloader

Figure 2 is a side view showing for explaining the digging device of the continuous unloader according to an embodiment of the present invention

Figure 3 is a front view showing for explaining the digging device of the continuous unloader according to an embodiment of the present invention

Figure 4 is a front view showing a portion omitted to explain the installation state of the spike portion of the digging device of the continuous unloader according to an embodiment of the present invention

Figure 5 is a plan view showing for explaining the digging device of the continuous unloader according to an embodiment of the present invention

Hereinafter, a preferred embodiment of a digging device for a continuous unloader of the present invention will be described with reference to FIGS. 1 to 5.

Prior to the description of the embodiment, the basic structure for the continuous unloader of the present invention will be described with reference to the structure of FIG. 1 described in the prior art.

2 to 5 show a digging device for a continuous unloader according to an embodiment of the present invention.

As can be seen based on this, the digging device (hereinafter referred to as "the digging device") 400 of the continuous unloading machine according to an embodiment of the present invention is largely swing frame 410, rear sprocket 420, front sprocket 430 and a digging frame 440. In particular, the digging frame 440 further includes a spike portion 450 and a load loaded on the side of the digging device 400 by the spike portion 450. Part of (1) can be dug up.

This will be described in more detail for each component as follows.

First, the swing frame 410 is a portion that forms the skeleton while being installed in the bucket elevator (30).

The swing frame 410 is provided in a vertical position in the same direction as the installation direction of the bucket elevator 30, and is configured to be inclined forward from the bucket elevator 30 when necessary for work.

Next, the rear sprocket 420 is rotatably installed at the lower end of the swing frame 410, and the front sprocket 430 is positioned to be spaced apart from the front side of the rear sprocket 420, and sequentially It serves to support and guide the movement of the chain (50) via.

In this case, the rear sprocket 420 and the front sprocket 430 is configured to rotate by the movement of the chain 50 as an example. Of course, although not shown, the chain 50 may be configured to be coupled to any one of the

sprockets

420 and 430 by driving a driving device (for example, a driving motor) by forcibly driving the one of the sprockets. have.

In particular, the rear sprocket 420 and the front sprocket 430 are provided in pairs, respectively, and each pair of sprockets are configured to rotate in the same state by being connected by the connecting

shafts

421 and 431. In this case, the two rear sprockets 420 are rotatably installed at both bottom sides of the swing frame 410, and the two front sprockets 430 are configured to be positioned at the front sides of the respective rear sprockets 420, respectively. do.

In addition, in the embodiment of the present invention, the outer wall surface of the rear sprocket 420 and the outer wall surface of the front sprocket 430 are further provided with a plurality of crushing impellers (422,432).

Here, the

shredding impellers

422 and 432 are formed to protrude outwardly from the outer wall surfaces of the

sprockets

420 and 430, and are configured to rotate together with the

sprockets

420 and 430, and thus the outer adjacent portions of the

sprockets

420 and 430. Digging or digging the load (1) present in the site serves to prevent the operation of the chain 50 or bucket 60 due to the load (1).

On the other hand, the rear sprocket 420 and the front sprocket 430 is installed so as to pass through the chain (50).

The chain 50 is a portion for moving each bucket 60, and is moved along the bucket elevator 30 by the driving of the main drive unit (not shown) provided in the bucket elevator 30, the front The sprocket 430 and the rear sprocket 420 are sequentially connected to each other.

In particular, the chain 50 is also provided with two pairs in the same manner as each of the

sprockets

420 and 430, one of the two chain 50 is the front sprocket 430 and the rear sprocket 420 of either side ) And the other one of the two chains 50 are sequentially connected via the front sprocket 430 and the rear sprocket 420 on the other side.

Along with this, the bucket 60 is configured to lift and load the load 1 loaded in the loading space of the ship to the upper portion of the bucket elevator 30, and the inside of which one side is opened is formed as an empty cylinder. While both sides are fixed to the pair of chains 50, respectively, and are moved together with the chains 50 to mine and load the load 1.

At this time, when the opening portion of the bucket 60 is moved downward from the bucket elevator 30 toward the front sprocket 430 and is moved downward to the rear sprocket 420 via the front sprocket 430. It is installed to face upward and upward when moved to the top of the bucket elevator 30 via the rear sprocket 420.

The bucket 60 is provided in plurality, and the separation distance between the buckets 60 is determined in consideration of various external factors such as the moving speed of the bucket 60, the size and workability of the bucket 60.

Next, the digging frame 440 is a portion connecting the two rear sprocket 420 and the two front sprocket 430 to each other.

Although not shown, the digging frame 440 may be configured to be extended or reduced in length. This is to adjust the amount of deflection of the chain 50 by adjusting the separation distance between each sprocket (420,430). However, the structure thereof is not limited.

At this time, the connecting shaft 431 connecting the two front sprockets 430 is rotatably installed at the front end of the digging frame 440 so that the two front sprockets 430 on both ends of the digging frame 440. Each positioned to be positioned.

Next, the spike portion 450 is a portion for performing a role of digging out a portion of the load (1) present on the side of the digging device 400.

That is, by additionally providing the spike portion 450 so that a part of the load 1 existing on the side of the digging device 400 can be dug, so that each bucket (when the digging device 400 is later moved to the side) 60) the operation of spreading the load (1) can be made more easily while the operation of the digging device 400 due to the load (1) during the unloading operation by the digging device 400 or The load (1) is to be prevented in advance due to the collapse of the operation.

In particular, during the loading and unloading operation of the load 1 in a state in which a part of the winter is frozen in a state in which sticking is more severe than general coal, the spike portion 450 may remove a portion of the load 1 positioned on the side thereof. By digging or crushing in advance, each bucket 60 or chain 50 and various driving parts serve to minimize the damage caused during the operation of unloading the coal.

The spike portion 450 is provided on the outer wall surface of at least one side of both outer wall surfaces of the digging frame 440, a plurality of protruding outward in a direction perpendicular to the moving direction of each bucket (60) And a spike 451. In this case, the spike 451 is formed of a bar or a rod of long rod shape.

Furthermore, in the embodiment of the present invention, the spike portion 450 further includes a coupling plate 452 provided on the outer wall surface of the digging frame 440, and each spike constituting the spike portion 450 ( 451 shows that one end is fixed to the outer wall surface of the coupling plate 452, and the other end is configured to protrude outward from the outer wall surface of the coupling plate 452.

In other words, the spike portion 450 is composed of the coupling plate 452 and the spike 451 as a single unit so that the work for mounting and detachment with the digging frame 440 can be made smoothly.

In addition, in the embodiment of the present invention, the coupling plate 452 constituting the spike portion 450 is supported by the guide 441 provided on the outer wall surface of the digging frame 440 in the front and rear direction (the length of the digging frame) Direction), and the digging frame 440 further includes a moving part 453 for moving the coupling plate 452 back and forth.

That is, each spike 451 constituting the spike portion 450 is configured to be forcibly moved by the moving portion 453, so that the digging device 400 during the discharge of the load 1 by each bucket 60 is in progress. The load (1) located on the side of the can be forcibly dug by the operation of each spike 451, through which the load (1) is coal or solidified state, such as copper coal Even if it is to reduce the load due to the movement of the chain 50 or the movement of the bucket (60).

At this time, the moving unit 453 is configured as a two-rod cylinder for transmitting the moving force to the front and rear in a state in which both rods are connected to the coupling plate 452, respectively.

In the following, the operation of the digging device 400 according to an embodiment of the present invention described above will be described in more detail.

First, the digging device 400 is provided into the loading space of the ship by the operation of the continuous unloader.

When the main drive unit (not shown) provided in the bucket elevator 30 is driven in this state, the pair of chains 50 are driven by the driving force along the forming direction of the bucket elevator 30 by the driving force. The upper and lower portions of) and a pair of front sprockets 430 and a pair of rear sprockets 420 are continuously and repeatedly moved in an orbital manner.

In addition, during the movement of the chain 50, each bucket 60 coupled to the pair of chains 50 also moves up and down along the bucket elevator 30, as well as a pair of fronts. It is moved between the sprockets 430 and between the pair of rear sprockets 420.

Therefore, the bucket 60 is a work for discharging the load (1) was loaded in the loading space of the vessel and discharged to the belt conveyor (not shown) provided in the upper side portion of the bucket elevator (30) Can be performed continuously and repeatedly.

In particular, while the loading and unloading operation of the load 1 by the digging device 400 is in progress, the driving portion (both rod-shaped cylinder) 453 constituting the spike portion 450 is made while the coupling plate 452 Repeating the operation to move back and forth, by the operation of the coupling plate 452 each spike 451 protruding from the coupling plate 452 is also moved back and forth while the load (1) located on the side of the digging device 400 Shred) and dig.

Because of this, when the loading operation of the load 1 for the corresponding site is performed later, the unloading by the bucket 60 may proceed smoothly, and the increase in the load provided when the chain 50 or the bucket 60 is moved is It can be prevented. In particular, even if the load 1 is frozen coal, such as copper, or solidified state, the load due to the movement of the chain 50 or the load due to the movement of the bucket 60 can also be reduced.

In addition, the crushing

impellers

432 and 422 provided on the outer wall surface of the front sprocket 430 and the outer wall surface of the rear sprocket 420 during the unloading operation of the load 1 by the digging device 400 described above. Rotation with each of the sprockets (420,430) while digging or crushing the load (1) present in the adjacent portion of the digging device 400 or the operation of the digging device 400 due to the load (1) The occurrence of interference on the mobile can be prevented.

Of course, the above-described configuration of the shredding

impellers

422 and 432 may partially perform the role (the smashing and crushing of the load present on the side) of the spike part 450.

However, considering that the shredding

impellers

422 and 432 are rotated together with the

respective sprockets

420 and 430, the load generated according to the operation of digging the load 1 must be provided intact to the

respective sprockets

420 and 430. In this regard, when the

sprockets

420 and 430 may be inoperable or damaged, the shredding

impellers

422 and 432 may be simply used to prevent interference caused by the load 1. Most preferably, the spike portion 450 is capable of performing the actual crushing and digging of the load 1.

As a result, the digging device 400 according to the embodiment of the present invention has the load 1 positioned on the side of the digging device 400 during the unloading operation of the load 1 due to the additional provision of the spike portion 450. There is an advantage that can prevent the interference caused by.

Furthermore, when the load 1 is frozen, such as copper, the spike portion 450 serves to primarily crush the load 1, so that the chain 50 or the load 50 may be unloaded. Each of the

sprockets

420 and 430 and the bucket 60 has an advantage of reducing the load to be provided as much as possible.

In addition, since the digging device 400 according to the embodiment of the present invention can smoothly mine the load 1 adjacent to the side wall in the loading space, the digging device 400 does not need to be excessively attached to the side wall in the loading space. As a result, problems such as damage to the sidewall in the loading space by the digging device 400 are not generated.

On the other hand, the digging device 400 of the continuous unloader according to the present invention is not limited to the structure of the above-described embodiment.

That is, although not shown, in the case of the spike portion 450 according to an embodiment of the present invention, the coupling plate 452 is rotatably installed on the digging frame 440, and the coupling plate (440) is attached to the digging frame 440. Further comprising a rotational drive unit (not shown) for providing rotational force to rotate 452 so that each spike 451 is crushed of the load 1 to an adjacent portion of the digging device 400 through a rotational operation and You can also configure it to do a parsing operation.

Further, although not shown, the spike portion 450 may be configured to be moved outwardly from the digging frame 440 selectively or to be moved inward so that the spike portion 450 may be used only when necessary. It is.

As such, the digging device for a continuous unloader according to the present invention can be variously modified.

Claims

Swing frame is installed in the bucket elevator to form a skeleton;

A rear sprocket rotatably installed at a lower end of the swing frame;

A front sprocket spaced apart from the front side of the rear sprocket;

A digging frame connecting the rear sprocket and the front sprocket to each other and rotatably installed in the front sprocket;

A chain connected along the bucket elevator to sequentially pass through the front sprocket and the rear sprocket;

A plurality of buckets for mining and loading loads while moving with the chain in a state in which the chain is installed; And,

And a spike portion provided on an outer wall surface of at least one of both outer wall surfaces of the digging frame and having a plurality of spikes protruding outward in a direction perpendicular to the moving direction of each bucket. Digging device of continuous unloading machine.
The method of claim 1,

The spike portion is configured to include a coupling plate provided on the outer wall surface of the digging frame,

Each spike constituting the spike portion is fixed to the outer wall surface of the coupling plate, the other end digging device, characterized in that configured to protrude outward from the outer wall surface of the coupling plate.
The method of claim 2,

The coupling plate constituting the spike portion is installed to be movable in the longitudinal direction of the digging frame,

Digging apparatus of the continuous unloader, characterized in that the digging frame further comprises a moving unit for moving the coupling plate forward and backward.
The method of claim 3, wherein

The moving part

Digging device of the continuous unloader, characterized in that composed of both rod-type cylinder for transmitting the moving force to the front and rear in the state that both rods are connected to the coupling plate, respectively.
The method of claim 2,

Coupling plate constituting the spike portion is rotatably installed on the digging frame,

The digging device of the continuous unloading device, characterized in that the digging frame further comprises a rotation drive unit for providing a rotational force to rotate the coupling plate.
The method according to any one of claims 1 to 5,

The outer wall surface of the front sprocket and the outer wall surface of the rear sprocket is rotated together with each of the sprockets, characterized in that it further comprises a plurality of crushing impeller protruding to excavate the load existing in the outer portion of each sprocket Digging device of continuous unloading machine.