KR100635738B1 - Continuous ship unloader provided with shuttle conveyor - Google Patents

Abstract

A continuous ship unloader installed with a shuttle conveyor apparatus is provided to increase the number of the container by securing the height and the weight of the upper structure of the body according to the installation of the belt control device at the return side of the conveyor belt. A continuous ship unloader installed with a shuttle conveyor apparatus comprises plural independent chutes horizontally installed with a predetermined interval in line for loading at the dock conveyor at one side of the body structure; and a shuttle conveyor(200) placed to selectively transfer the material cargo to the plural chutes installed in line at the other side of the body structure. The shuttle conveyor has a fixing pulley(210) mounted at the body structure of the distant side from the chutes, a movable pulley(220) installed to horizontally reciprocate toward the chutes at the body structure of the near side at the chutes, and a belt control device(240) installed at the return side of a conveyor belt(230) wound at both pulleys to automatically control the length of the conveyor belt according to the movement of the movable pulley.

Description

Continuous unloading machine with shuttle conveyor device {CONTINUOUS SHIP UNLOADER PROVIDED WITH SHUTTLE CONVEYOR}

1 is a configuration diagram showing a conventional continuous unloader.

2 is a view showing the relationship between the height of the chute and the counterweight boom required when the wharf conveyor is two or more rows in the conventional continuous unloading machine.

Figure 3 is a schematic configuration showing a continuous unloader having a shuttle conveyor according to the present invention.

Figure 4 is a view showing the main part of the shuttle conveyor apparatus according to the present invention.

5 is a view showing a state in which the conveyor belt is stretched to the maximum by winding the winch in FIG.

Figure 6 is a front and side cross-sectional view showing the connection and guide structure of the mobile pulley and the leading car according to the present invention.

7 is a front view and a side sectional view showing a connection structure and a guide structure of a moving block, that is, a mobile carrying idler and a mobile return idler according to the present invention.

8 is a front view and a side cross-sectional view showing a guide structure of a moving block or a leading car according to another embodiment of the present invention.

<Description of Symbols for Major Parts of Drawings>

2: hold of ship 10,10a: continuous unloading machine

11 body structure 12 boom

13: counter weight boom 14: bucket elevator

14a: Bucket 40: Voodoo Conveyor

100,100a, 100b, 100c, 100d: Suit 200: Shuttle Conveyor

210: fixed pulley 220: movable pulley

230: conveyor belt 240: belt adjustment

241: fixed bend pulley 242: lifting bend pulley

243: weight 250: fixed carrying idler

251: Mobile Carrying Idler 260: Fixed Return Idler

261: movable return idler 270, 270a: guide rail

280: leading car 281,301: balance

282,302,302a: rolling roller 283: extension plate

290 winch 291 rope

300,300a: moving block 302b: side roller

303: side plate 304: extension

400: connecting member

The present invention relates to a continuous unloader having a shuttle conveyor device, and more particularly, there is no increase in the height of the gantry conveyor, and there is no need to worry about interference with the counterweight boom, thereby increasing the quantity of the dock conveyor freely. The present invention relates to a continuous unloading machine having a shuttle conveyor device having excellent applicability, since it is not necessary to increase the height and weight of the main body upper structure even if the quantity of the wharf conveyor is increased.

The continuous unloader 10 (CSU: Continuos Ship Unloader), which unloads raw materials from the ship anchored at the pier, as shown in FIG. 1, has a boom 12, boom on the main body structure 11 which is settled on the ground of the pier. ) And a counter weight boom 13 is installed, a bucket elevator 14 is installed at an end of the boom 12, and a gantry conveyor 20 along the longitudinal direction of the body structure 11 is gentry. Conveyor is arranged.

In such a continuous unloading machine 10, the bucket elevator 14 is located in the hold 2 of the ship anchored at the pier, and the coal inside the hold 2 is circulated by the circulation of the bucket 14a. The raw material cargo is excavated and then unloaded to two wharf conveyors 40 via a two-way chute 30 at a head of a kentry conveyor 20.

As described above, in the conventional continuous unloading machine 10, when the conveyor 40 on the quay is composed of two or more rows, one two-way chute 30 is attached to each of the two quayside quay conveyors 40. Adopted structure has been adopted.

For example, as shown in FIG. 2, when the wharf conveyor 40 has four rows, the two-way chute 30 is provided at the top and one at each end of the two-way chute 30. 2-way chute (30a) of the more had to be installed. However, in this case, since the length of the two-way chute increases as the quantity of the quayside conveyor 40 increases, that is, the height increases, as can be seen in FIG. Inevitably interference occurs with the upper portion and the counter weight boom 13. Therefore, in order to eliminate such interference, since the height of the body structure 11 must be increased, the weight of the unloading machine is increased accordingly. In addition, the two-way chute (30) consists of a plurality of stages will be unnecessarily expensive and time-consuming.

The present invention was developed in order to solve the above-mentioned problems with the conventional continuous unloading machine, the object of the present invention, even if the number of quayside conveyor increases, it is not necessary to increase the height and weight of the upper structure of the main body applicability It is to provide this outstanding continuous unloader.

In order to achieve the above object, in the present invention, the bucket elevator is located in the hold of the vessel anchored to the pier, the raw material cargo such as coal inside the hold by excavating the bucket, and then the main body of the pier In the continuous unloading machine to be transported to the structure side to be unloaded to a plurality of wharf conveyor, a plurality of independent chute for unloading each wharf conveyor on one side of the main body structure is installed in a line at regular intervals in the horizontal direction, On the other side of the main body structure is provided a shuttle conveyor for selectively transporting the raw material cargo to the plurality of chute installed in the line, the shuttle conveyor, fixed pulley which is installed in the main body structure far from the chute; A movable pulley installed on the main body structure closer to the chute so as to reciprocate in a horizontal direction toward the chute; Including a belt adjusting device installed on the return side of the conveyor belt wound on both side pulleys so that the length of the conveyor belt is automatically adjusted according to the movement of the movable pulley, while the movable pulley of the shuttle conveyor is moved in the horizontal direction There is provided a continuous unloader having a shuttle conveyor device, characterized in that the raw material cargo is selectively unloaded to the plurality of chute.

In the continuous unloading machine of the present invention, the belt adjusting mechanism includes: a plurality of fixed bend pulleys disposed on the return side of the conveyor belt between the fixed pulley and the movable pulley; Under the fixed bend pulley, it may be configured to include a weight body provided with elevating bend pulley between the adjacent fixed bend pulleys.

Further, in the continuous unloading machine of the present invention, the conveying belt of the conveyor belt, the fixed carrying ring idler fixed to the designated position of the main body structure, and corresponding to the expansion and contraction of the belt according to the movement of the movable pulley, A plurality of movable carrying idlers are disposed on the structure so as to be movable in a horizontal direction, and on the return side of the conveyor belt, a fixed return idler fixed to a designated position of the main body structure and the belt according to the movement of the movable pulley. Corresponding to the expansion and contraction, the configuration consists of a plurality of movable return idler is arranged to be movable in the horizontal direction.

Here, both sides of the main body structure is installed in the form of a guide rail extending in the horizontal direction elongated, the movable pulley is mounted to a leading car moving along the guide rail, the mobile carrying idlers and the mobile return idlers are Mounted on a plurality of moving blocks moving along a guide rail, and at the same time each moving block is equipped with a movable carrying idler, and selected ones of the plurality of movable blocks are equipped with a movable return idler together with the movable carrying idler. The moving block located farthest from the leading car among the moving blocks is fixed to the body structure, and moving blocks adjacent to each other are connected to each other by a connecting member, and the moving block closest to the leading car is the leading car. Connected by connecting member to That the configuration is preferable.

Here, a winch is installed at a portion spaced from the leading end of the leading car, and the leading car and the winch are connected by a rope, so that the winch rotates in a winding direction or an unwinding direction, and thus the leading car and the movement connected thereto. Blocks can be configured to move along the guide rail.

The leading car may be configured to include a trolley on which the movable pulley is mounted, and a rolling roller rotatably installed on both sides of the lower side of the trolley to be rolled on the guide rail.

In addition, the movable block is a trolley in which the movable carrying idler is mounted alone or the movable carrying idler and the movable return idler are mounted together, and rotatably installed on both sides of the trolley to enable rolling motion on the guide rail. It may be made of a configuration including a rolling roller seated.

Here, the guide rail and the rolling roller may be formed in a mountain shape and a curved shape corresponding to each other.

Alternatively, the guide rail and the rolling roller are formed in a flat end corresponding to each other, and the leading car or the moving block is separated in the left and right directions by rolling in contact with the side of the guide rail inside the side of the guide rail A side roller may be further provided so as not to be prevented.

Hereinafter, with reference to the accompanying exemplary drawings will be described in detail a preferred embodiment of the continuous unloader having a shuttle conveyor according to the present invention.

Figure 3 shows a schematic configuration of a continuous unloader with a shuttle conveyor according to the invention. The same reference numerals are given to the same parts as those in Figs. 1 and 2, and the repeated description thereof will be omitted. 3 is the same as the configuration of the conventional continuous unloader described in FIGS. 1 and 2.

As shown in FIG. 3, the continuous unloading machine 10a according to the present invention is provided with a plurality of chutes 100 independent on one side of a main body structure 11 of which are lined up at regular intervals in a horizontal direction. Another side of the structure 11 has a structure in which a shuttle conveyor 200 for selectively transporting the raw material cargo to the plurality of chute 100 installed in a row.

The shuttle conveyor 200 is provided with a fixed pulley 210 on the main body structure 11 on the side away from the chute 100, and a movable pulley () on the main body structure 11 on the side close to the chute 100. 220 is installed to reciprocate in the horizontal direction toward the chute 100, so that the movable pulley 220 can be moved to the return side of the conveyor belt 230 wound on both side pulleys (210, 220). A belt adjuster 240 for automatically adjusting the length of the conveyor belt 230 is installed. The present invention, while moving the movable pulley 210 of the shuttle conveyor 200 in the horizontal direction can selectively unload the raw material cargo to the plurality of chute (100). Therefore, even if the quantity of the wharf conveyor 40 increases, the number of independent chutes 100 corresponding to the plurality of chutes 100 is further disposed in the horizontal direction without increasing the height of the conveyor or the height of the main body structure 11, Since only the horizontal moving distance of the movable pulley 220 needs to be adjusted, it is not necessary to increase the height of the chute 100 or the main body structure 11 even if the quantity of the pier conveyor 40 is increased.

4 and 5 show only the main part of the above-described shuttle conveyor 200 device of the present invention. In FIG. 4, the conveyor belt 230 is shortest contracted and unloaded to the first chute 100a. A view showing a state is shown, and FIG. 5 shows a view showing a state in which the conveyor belt 230 is extended longest and unloaded to the last chute 100d.

As shown in FIGS. 4 and 5, and also as described above with reference to FIG. 3, the shuttle conveyor 200 according to the present invention refers to the main body structures 11 and 3 far from the chute 100a to 100d. Fixed pulley (210) is installed on the side closer to the chute 100, the movable pulley 220 is installed to reciprocate in the horizontal direction toward the chute 100, the both side pulleys (210,220) The main body structure 11 far from the chute 100 so that the length of the conveyor belt 230 is automatically adjusted in accordance with the movement of the movable pulley 220 on the return side of the conveyor belt 230 wound around. The fixed pulley 210 is installed in the main body structure 11 closer to the chute 100, the movable pulley 220 is installed to the reciprocating movement in the horizontal direction toward the chute 100, On the return side of the conveyor belt 230 wound on both side pulleys 210 and 220 A belt adjuster 240 is configured to automatically adjust the length of the conveyor belt 230 so that the movable pulley 220 can be moved.

Specifically, the belt adjusting device 240 includes a plurality of fixed bend pulleys 241 (3 in this embodiment) on the return side of the conveyor belt 230 between the fixed pulley 210 and the movable pulley 220. And a weight body 243 provided with the lifting bend pulleys 242 (two in this embodiment) between adjacent fixed bend pulleys 241 below the fixed bend pulley 241. Consists of a configured configuration. Therefore, when unloading to the first chute 100a, the movable pulley 220 moves to the left in the drawing and the weight 243 descends so that the conveyor belt 230 forms the shortest form. (See FIG. 4). In addition, when unloading the last chute 100d, the movable pulley 220 moves to the right side in the drawing and the weight 243 rises to form the conveyor belt 230 extending the longest. (FIG. 5).

In addition, a plurality of idlers are provided at the conveying part and the return pars of the conveyor belt 230 to support and guide the lower surface of the canber belt 230, respectively. In the present embodiment, on the conveying side, corresponding to the fixed carrying ring idler 250 fixed to the designated position of the main body structure 11, and the stretching of the belt 230 according to the movement of the movable pulley 220, A plurality of movable carrying idlers 251 are installed on the main body structure 11 so as to be movable in the horizontal direction. In addition, on the return side, the body structure (corresponding to the expansion and contraction of the fixed return idler 260 fixed to the designated position of the body structure 11 and the belt 230 according to the movement of the movable pulley 220). 11, a plurality of movable return idlers 261 are arranged to be movable in the horizontal direction.

In addition, in a preferred embodiment of the present invention, the guide rail 270 is installed in the form extending in the horizontal direction on both main body structures 11, 3 and 6 of the conveyor belt 230. In addition, the movable pulley 220 is mounted to a leading car 280 moving along the guide rail 270 to move by the movement of the leading car 280. The leading end of the leading car 280 is connected to the winch 290 by a rope 291. Thus, as the winch 290 rotates clockwise or counterclockwise, the leading car 280 is the winch 290 because the rope 291 is wound around the winch 290 or released from the winch 290. Toward or away from Correspondingly, the weight 243 of the belt adjuster 240 is also raised or lowered to correspond to the change in the length of the belt 230.

In the exemplary embodiment of the present invention, the movable carrying idlers 251 and the movable return idlers 261 have a structure mounted on the plurality of movable blocks 300 moving along the guide rail 270. Each of the movable blocks 300 is equipped with a mobile carrying idler 251, and selected ones of the plurality of movable blocks 300 are equipped with the movable carrying idler 251 and the movable return idler 261 together. Has a structure. Each of the moving blocks 300 is connected to each other by a connecting member 400, and the moving block 300 closest to the leading car 280 is connected to the leading car 280. Connected by In addition, the moving block 300 of the moving block 300 which is located farthest from the leading car 280 is fixed to the main body structure 11. The connecting member 400 is made of a flexible member such as a chain or a rope in order to freely respond to the change in the gap of the moving blocks (300).

According to the present invention made as described above, the raw material cargoes can be unloaded by sequentially or arbitrarily selecting the docking conveyors 40 which need to be unloaded from the plurality of docking conveyors 40 arranged in the horizontal direction.

That is, the raw material excavated from the hold (2, see Fig. 1) of the ship anchored at the pier and transported along the bucket elevator 14 (see Fig. 1) reaches the left side of the shuttle conveyor 200 shown in FIG. do. Subsequently, after being conveyed to the movable pulley 220 along the conveyor belt 230, it is dropped to the first chute 100a and unloaded into the wharf conveyor 40 corresponding to the first chute 100a. At this time, the winch 290 is unwinded, the belt 230 for the fixed bend pulley 241 and the lifting bend pulley 242 toward the weight body 243 of the belt adjusting device 240 is lowered as much as possible. Since the length of the, the movable pulley 220 is in a state closest to the fixed pulley 210.

Then, when unloading the second and subsequent chute (100b, 100c, 100d), driving the winch 290 in the winding direction to pull the leading car 280 connected to the rope 291, the leading car 280 is Along the guide rail 270 is pulled toward the winch 290, the movable pulley 220 mounted to the leading car 280 is also pulled together. In addition, the moving block 300 which is connected to the leading car 280 to the connecting member 400 and connected to the connecting member 400 at the same time is sequentially drawn from the right side in the drawing to be spaced apart from each other. Accordingly, the mobile carrying idler 251 and the mobile return idler 261 are also moved in response to the elongation of the belt 230 to stably support the belt 230. At this time, as the leading car 280 and the movable pulley 220 are closer to the winch 290, the weight 243 of the belt adjusting device 240 is also pulled up. In this way, when the leading car 280, more specifically, the movable pulley 220 is matched with one of the chutes 100b or 100c or 100d to be unloaded, the driving of the winch 290 is stopped and the corresponding chute Unload at

On the other hand, after the mobile pulley 220 unloads the chute 100d disposed closest to the winch 290 as shown in FIG. 5, in order to unload any of the remaining chutes 100a to 100c again, the winch When the 290 is driven in the disengaging direction, the pulling force toward the winch 290 is released while the rope 291 is released, thereby freeing the weight 243 of the belt adjuster 240. Accordingly, the weight 243 is lowered by its weight, and thus the belt 230 is pulled so that the leading car 280 and its movable pulley 220 move in a direction away from the winch 290. do. When the movable pulley 220 coincides with one of the chutes 100c or 100b or 100a to be unloaded during the movement, the brake of the winch 290 may be operated to stop the loosening operation and to unload the corresponding chute.

In the accompanying drawings, a connection structure and a guide structure of the leading car 280 and the movable pulley 220 are illustrated in detail. 6 is a cross sectional view of the left side, which has left and right symmetry, but only the left half is shown in the figure for convenience.

As shown in FIG. 6, the reading car 280 is provided with a movable pulley 220 integrally. The leading car 280 has a bogie 281 and the bogie 281 is connected to the winch 290 (see FIGS. 4 and 5) by a rope 291. Further, rolling rollers 282 are rotatably installed on both lower sides of the trolley 281 via bearings, etc., and the rolling rollers 282 are mounted on the guide rails 270 to allow rolling movement. have. The movable pulley 220 is rotatably installed on the extension plate 283 extending downward from the cart 281 via a bearing or the like. In the present embodiment, the guide rail 270 and the rolling roller 282 is formed in a mountain shape (mountable) so as to be able to move stably without departing in the left and right directions.

7 is a front view and a side cross-sectional view showing the connection and guide structure of the moving block 300, that is, the mobile carrying idler 251 and the mobile return idler 261 according to the present invention. In FIG. 7, the left view is a cross-sectional view of the right view, and has left and right symmetry, but only the left half is shown for convenience.

As shown in FIG. 7, the moving block 300 includes a trolley 301, and rolling rollers 302 are rotatably installed on both sides of the trolley 301 so that the rolling roller 302 is described above. It is seated on the guide rail 270 so that the rolling motion is possible. And the upper surface of the trolley 301 is equipped with a mobile carrying idler 251 consisting of the three rollers described above. The moving block 300 having only the movable carrying idler 251 is configured in this way. If the movable block 300 further includes a movable return idler 261, the movable return idler 261 is provided in the extension 304 extending downward from the side plate 303 of the movable block 300. Is installed more. In addition, in the present embodiment, the guide rail 270 and the rolling roller 302 are formed in a mountain shape and a curved shape corresponding to each other to move stably without departing in left and right directions. It is supposed to be.

8 is a front view and a side cross-sectional view showing a guide structure of the moving block 300 or the leading car 280 according to another embodiment of the present invention. Although only the moving block 300 is illustrated in FIG. 8, since the guide structure of the leading car 280 is the same, a description of the guide structure of the moving car 300 will be described with reference to the guide structure of the leading car 280. To replace

In the example shown in FIG. 8, the guide rail 270a and the rolling roller 302a are flat rather than mountainous, unlike the above-described embodiment. In addition, a side roller 302b is further provided inside the side surface of the guide rail 270a to prevent the moving block 300 from being separated in the left and right directions by rolling in contact with the side surface of the guide rail 270a. have. The present embodiment and one of the above-described embodiments may be selected and configured, or the two embodiments may be used together (mixed) in one equipment.

In the above, specific embodiments of the present invention shown in the accompanying drawings have been described in detail, but this is only an example, and the protection scope of the present invention is not limited thereto. In addition, the embodiments of the present invention as described above can be variously modified and equivalent other embodiments by those of ordinary skill in the art within the technical spirit of the present invention, such modifications and equivalent other embodiments are It goes without saying that it belongs to the appended claims of the invention.

As described above, in the present invention, by configuring the belt conveyor to be unloaded to the dock conveyor as a shuttle conveyor, when the number of dock conveyor is increased, only the length of the shuttle conveyor in the horizontal direction is increased, there is no increase in the height of the conveyor, As a result, there is no fear of interfering with the counterweight boom. Therefore, it is not necessary to worry about the increase in the height and weight of the upper structure of the main body even if the quantity of the wharf conveyor, it can be easily applied to increase the number of wharf conveyor in the continuous unloader.

Claims (9)

The bucket elevator is placed in the hold of the ship anchored at the pier, the raw material cargo such as coal inside the hold is excavated by the circulation of the bucket, and then transported to the main structure side of the pier and unloaded to the plural pier conveyors 40. In the continuous unloading machine, On one side of the main body structure 11, a plurality of independent chute 100 for loading and unloading in each of the wharf conveyors 40 are arranged in a horizontal direction at regular intervals, On the other side of the main body structure 11, a shuttle conveyor 200 for selectively transporting the raw material cargo is arranged in the plurality of chute 100 installed in a row, The shuttle conveyor 200, A fixed pulley 210 installed at the main body structure 11 far from the chute 100; A movable pulley 220 installed in the main body structure 11 near the chute 100 so as to reciprocate in the horizontal direction toward the chute 100; The belt adjusting opening 240 is installed on the return side of the conveyor belt 230 wound on both side pulleys 210 and 220 so that the length of the conveyor belt 230 is automatically adjusted according to the movement of the movable pulley 220. including, Continuous pulley conveyor having a shuttle conveyor device, characterized in that configured to unload the raw material cargo to the plurality of chute 100 while the movable pulley 210 of the shuttle conveyor (200) moves in the horizontal direction. The method of claim 1, The belt adjustment port 240, A plurality of stationary bend pulleys 241 disposed on the return side of the conveyor belt 230 between the stationary pulley 210 and the movable pulley 220; Under the fixed bend pulley 241, continuous with a shuttle conveyor device characterized in that it comprises a weight body 243, which is provided with a lifting bend pulley 242 between adjacent fixed bend pulleys 241. Unloading machine. The method of claim 1, On the conveying side of the conveyor belt 230, a fixed carrying idler 250 is fixed to a designated position of the main body structure 11, and corresponding to the stretching of the belt 230 according to the movement of the movable pulley 220 Is arranged in the main body structure 11, a plurality of movable caring idler 251 is installed to be movable in the horizontal direction, On the return side of the conveyor belt 230, the fixed return idler 260 fixed to the designated position of the main body structure 11, and corresponding to the expansion and contraction of the belt 230 according to the movement of the movable pulley 220 , Continuous unloader having a shuttle conveyor device, characterized in that the plurality of movable return idler (261) is installed to be movable in the horizontal direction in the main body structure (11). The method of claim 3, On both sides of the main body structure 11, guide rails 270 are installed to extend in a horizontal direction, and the movable pulley 220 is mounted to a leading car 280 moving along the guide rails 270. And The movable carrying idlers 251 and the movable return idlers 261 are mounted to a plurality of movable blocks 300 moving along the guide rail 270, and at the same time, each movable block 300 has a movable carrying idler. 251 is mounted, and some selected ones of the plurality of moving blocks 300 are equipped with a movable return idler 261 together with the movable carrying idler 251. The moving block 300 positioned farthest from the leading car 280 of the moving block 300 is fixed to the body structure 11, and the moving blocks 300 adjacent to each other are connected to each other 400. And a moving block (300) closest to the leading car (280) is connected to the leading car (280) by a connecting member (400). The method of claim 4, wherein The winch 290 is installed at a portion of the leading car 280 spaced apart from the tip, and the leading car 280 and the winch 290 are connected by a rope 291, so that the winch 290 is connected to the winch 290. The unloading machine of claim 1, wherein the leading car 280 and the moving blocks 300 connected thereto move along the guide rail 270 as it rotates in the winding direction or the unwinding direction. The method of claim 4, wherein The leading car 280 is rotatably installed on both sides of the trolley 281 on which the movable pulley 220 is mounted and on both sides of the lower side of the trolley 281 so as to allow rolling movement on the guide rail 270. Continuous unloader having a shuttle conveyor device characterized in that it comprises a rolling roller (282). The method of claim 4, wherein The moving block 300 includes a trolley 301 in which the mobile carrying idler 251 is mounted alone or a mobile carrying idler 251 and a movable return idler 261 are mounted together, and both sides of the trolley 301. It is rotatably installed in the continuous unloader having a shuttle conveyor device, characterized in that it comprises a rolling roller (302) seated on the guide rail (270) so as to enable a rolling motion. The method according to claim 6 or 7, The guide rail 270 and the rolling roller 282, 302 is a continuous unloading machine having a shuttle conveyor device, characterized in that formed in the mountain (ridge) and curved (corrugated) shape corresponding to each other. The method according to claim 6 or 7, The guide rail 270 and the rolling rollers 282 and 302 are formed in a flat end corresponding to each other, The side roller 302b which prevents the leading car 280 or the moving block 300 from being separated in the left and right directions by rolling in contact with the side of the guide rail 270 inside the side of the guide rail 270. Continuous unloader having a shuttle conveyor device characterized in that it is further provided.

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