JP2744745B2 - Traverse type continuous unloader - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traversing swing type continuous unloader.

[0002]

2. Description of the Related Art Conventionally, a traveling type unloader 03a as shown in a front view of FIG. This type of unloader has a rail 04 laid one-to-one on the pier 03 and extending in the front-rear direction, a vertical gantry 05 that can move along the rail 04, and a center of rotation at the center of the top. A turning A frame 06, an up-and-down boom 07 having a fulcrum pivoted at the upper end thereof, and a vertical unloading portion 08 pivotally attached to the tip of the boom 07 via a horizontal pin are known. Here, as an example, the lower part and the upper part of the vertical unloading part 08 are formed by a bucket chain 08a and a fin conveyor 08b, respectively. In such a device, the load 09 in the hold of the bulker 01 is skimmed off by the bucket chain 08a,
Raised by fin conveyor 08b, rotating feeder 0
9a, it is horizontally moved to the right, and is transferred to a conveyor 010 driven by an up-and-down boom 07 in a shot 09b, and is transferred via a shot 011 and a shot 011a to a ground conveyor 01.
2 to be unloaded.

However, in such an apparatus, as shown in the figure, the up-and-down boom 07 falls up and down in the range shown by the chain line, so that the end of the balance weight 013 of the up-and-down boom 07 is located outside the quay line of the pier 03. Buoyer 0
2, it may be difficult to perform the unloading operation of the bulker 01 on the left side of the wharf 03 and the berthing operation of the bulker 02 on the right side in parallel. Has to wait for the completion of the unloading operation of the bulking ship 01, so that the turnover of the wharf 03 and the bulking ships 01, 02 is reduced, and the raw material transportation cost is increased.

[0004]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above circumstances, and is a wharf on which a bulker can be berthed on both sides, and the unloading work on one side and the berthing on the other side. An object of the present invention is to provide a traversing-rotation type traveling continuous unloader that can perform operations and the like in parallel, and is therefore excellent in economy.

[0005]

To this end, the present invention provides a traversing drive mechanism on a traveling gantry that can travel along a pier with a traveling continuous unloader installed on a pier on each side of which bulkers can berth. A swinging A frame provided so as to be able to traverse through, a swinging boom that pivotally supports a central portion on the swinging A frame, has vertical loading portions and balance weights at both ends, and is driven up and down, and a boom up and down angle on the up and down boom A finned conveyor capable of coping with the increase in the number of the gantry is provided, and the unwinding of one side is performed at a position where the revolving A-frame has moved near one of the sides on the traveling gantry.
It is characterized in that the undulation boom operates within a range in which the end of the balance weight side does not exceed the quay line on the opposite side.

[0006]

According to such a configuration, the following operation is performed. (1) A swivel mechanism pivotally supported on a traversing table that can move in the horizontal direction on the top surface of the traveling gantry is provided, so that the length of the lifting boom on the loading side and that on the balance weight side can be reduced. Since each can be shortened, the overall structure of the unloader is reduced in size, weight is reduced, equipment costs are reduced, and economy is improved. (2) An up-and-down boom is provided so that the plane position of the balance weight side end of the up-and-down boom fits within the pier, so that one ship can be unloaded at the other side at any time while one ship is unloading on one side of the pier. It is possible to berth to the shore. (3) Since the conveyer with the fins is provided on the undulating boom, it is possible to eliminate the loss of slipping of the load from the conveyor due to the increase in the undulating angle due to the shortening of the length of the undulating boom.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to the conventional traveling type continuous unloader shown in FIG. 6 will be described with reference to the drawings. The same reference numerals as those in FIG. 6 denote the same members as those in FIG. In the front view of FIG. 1, 1 is a traveling gantry 0
5 is an automatic traverse table loosely fitted on the horizontal top surface, 2 is a pivoting A frame erected on a pivoting mechanism 3 pivotally mounted on the traversing platform 1, and 4 is a horizontal pin on the upper end of the pivoting A frame 2. , A vertical support section 08 is supported at the left end, and a balance type lifting boom provided with a balance weight 5 at the right end. In this state, the overhang length on the left-hand side is sufficient to satisfy the necessary outreach to the bulking ship 01 at the left and right positions of the vertical unloading part 08, and the overhang length on the right balance weight side is at the wharf. The length is such that it does not protrude outside the right quay line of 03. Reference numeral 5a denotes a conveyor boom that is linked to the up-and-down boom 4 and has a finned conveyor 6 attached thereto. Reference numerals 6a denote relay conveyors which are arranged on the traveling gantry 05 in a left-right pair and extend in the left-right direction and connect the shots 011 and 011a. Next, FIG. 2 showing details of the traversing table 1
In the partially enlarged longitudinal sectional view and the partially enlarged transverse sectional view of FIG.
Reference numeral 7 denotes a pair of front and rear grooved rails laid on the top surface of the traveling gantry 05 in the left-right direction. Reference numeral 8 denotes a short protrudingly provided on the lower surface of the traverse table 1 and loosely fitted on the grooved rails 7. A sliding member attached to the lower end of the leg 9, and in this embodiment, a tetrafluoroethylene resin is used. Numeral 10 denotes a pair of horizontal pedestal lift prevention rails which are laid on the front and rear ends of the traveling gantry 05 via support columns 11 and extend in the left-right direction. Numeral 12 protrudes from the lower surface of the traversing platform 1 and has a horizontal guide rail 13.
A hydraulic cylinder mounting structure 14 is fixed to the left end of the hydraulic cylinder mounting structure 12 and has a horizontal and vertical square pin hole 15 formed in the center thereof, and a square pin 16 capable of being inserted into and disengaged from this. The block 17 is a horizontal hydraulic cylinder integrally connected to the right side of the pin fitting block 14.
Reference numeral 8 denotes a pin fitting block which is connected to the hydraulic cylinder 17 via a piston 19 and is slidable on the guide rail 13 in the left-right direction. A horizontal and vertical square pin hole 15 is formed in the center of the block. At the same time, the square pin 16 can be fitted and removed therefrom. Reference numeral 19a denotes a rail with pin holes projecting above the traveling gantry 05 with a slight gap provided between the front and rear of the hydraulic cylinder mounting structure 12 and extending in the left-right direction. A plurality of pin holes 20 are formed at predetermined intervals. 4 shows a rail clamp for preventing runaway of the traveling gantry 05.
5 and a partially enlarged front view of FIG. 5, reference numerals 21 and 21 denote a pair of clamps operated by a pair of interlocking gears 22 and 22 attached to the lower portion of the traveling gantry 05, respectively, and 23 denotes a clamp connected to one upper end of the clamp 21. It is a screw jack for opening and closing.

In such an apparatus, in order to unload the cargo 09 of the bulking ship 01, in FIG. 1, the traversing platform 1 is moved to the position on the traveling gantry 05 to the full left side, and the work is performed in the state shown by the solid line. I do. At this time, since the boom length of the hoisting boom 4 is shorter than before, the maximum hoisting angle of the boom at the time of unloading also becomes larger than before, and the load on the conveyor boom 5a becomes easier to slide. 6 prevents the load from slipping and can reliably deliver the load to the chute 011 on the turning A frame 2 without any loss. Further, since the relay conveyor 6a is provided, it is possible to convey the load 09 of the shot 011 to the ground conveyor 012. When the unloading of the bulking ship 01 is completed, the vertical unloading part 08 is lifted by the hoisting boom 4, turned by 180 ° by the turning A frame 2, moved to the position on the right side of the traversing platform 1, and moved by the hoisting boom. 4, the loading of the bulking ship 02 on the opposite quay can be started in the state shown by the chain line.
In order to move the traversing table 1 in the left-right direction 24, in FIG. 3, for example, when moving in the right direction, the square pin 16 of the pin fitting / unblocking block 18 is removed from the square pin hole 20 of the rail 19 a with pin holes. The piston 19 is extended, and the square pin 16 is inserted into the square pin hole 20 on the right side of one pitch as shown by a chain line, and the proximal pin fitting block 14 of the hydraulic cylinder 17 is inserted.
The operation of removing the square pin 16 from the square pin hole 20, shortening the piston 19, and inserting the piston 19 into the square pin hole 20 on the right side by one pitch is repeated. Movement to the left is performed in reverse. That is, it moves by operating the hydraulic cylinder 17 or the like as a scale. Further, at this time, as shown in FIG. 2, the traversing platform 1 on which the turning A frame 2 and the like are attached is prevented from rising on the top surface by the rising prevention rail 10 and rising from the bottom surface by the pin holes. Since the turning A frame 2 and the like are suppressed by the attached rail 19a, there is no fear that the turning A frame 2 or the like will fall. In addition,
In the present invention, the configuration of each element is not limited to the above-described embodiment, and may be implemented by applying an arbitrary model.

According to the apparatus of the embodiment, the following effects can be obtained. (1) A swivel mechanism pivotally supported on a traversing table that can move in the horizontal direction on the top surface of the traveling gantry is provided, so that the length of the lifting boom on the loading side and that on the balance weight side can be reduced. Since each can be shortened, the overall structure of the unloader is reduced in size and weight, equipment costs are reduced, and economy is improved. (2) An up-and-down boom is provided so that the plane position of the balance weight side end of the up-and-down boom fits within the pier, so that one ship can be unloaded at the other side at any time while one ship is unloading on one side of the pier. Berthing to the shore, thus eliminating the waiting time for bulkers and improving its economics. (3) Since the fin conveyor is provided on the undulation boom (on the boom conveyor linked to the undulation boom), the slip and spillage of the load on the conveyor due to the increase in the undulation angle of the undulation boom 4 are prevented, and the A frame is securely provided. To the side.

[0010]

In summary, according to the present invention, a traveling continuous unloader installed on a pier on each side of which bulkers can berth, and a traverse drive mechanism on a traveling gantry that can travel along the pier. A swinging A frame provided so as to be able to traverse through, a swinging boom that pivotally supports a central portion on the swinging A frame, has vertical loading portions and balance weights at both ends, and is driven up and down, and a boom up and down angle on the up and down boom Fin conveyor that can handle the increase in
Unloading of one side is performed at a position where the frame has moved near one of the sides on the traveling gantry. At this time, it operates within a range where the end of the balance weight side of the undulating boom does not exceed the quay line on the opposite side. By doing this, it is possible to carry out unloading work on one quay and berthing work on the other quay in parallel and smoothly at a wharf where bulkers can berth on both sides. The unloader can be used for unloading both quays, which is extremely useful in industry.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment in which the present invention is applied to a traveling continuous unloader for a wharf with both berths.

FIG. 2 is a partially enlarged cross-sectional view taken along the line II-II of FIG.

FIG. 3 is a partially enlarged cross-sectional view taken along a line III-III in FIG. 2;

FIG. 4 is a partially enlarged front view showing a rail clamp of the traveling gantry 05 of FIG. 1;

5 is a partially enlarged front view showing a state where a rail is sandwiched by the clamps of FIG. 4;

FIG. 6 is a front view showing a known traveling continuous unloader.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Crossing table 2 Swivel A frame 3 Swivel mechanism 4 Undulating boom 5 Balance weight 5a Conveyor boom 6 Conveyor with fins 6a Relay conveyor 7 Groove type rail 8 Slip material 9 Short leg 10 Lift prevention rail 11 Strut 12 Hydraulic cylinder mounting structure 13 Guide Rail 14 Pin fitting block 15 Square pin hole 16 Square pin 17 Hydraulic cylinder 18 Pin fitting block 19 Piston 19a Rail with pin hole 20 Square pin hole 21 Clamp 22 Interlocking gear 23 Screw jack 24 Left and right direction 01 Bulk ship 02 Bulk ship 03 Wharf 04 Rail 05 Traveling gantry 08 Vertical unloading unit 08a Bucket chain 08b Conveyor with fins 09 Unloading 09a Rotary feeder 011 Shut 011a Shut 012 Ground conveyor

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Koichi Yoshimoto 4-2-2 Kannon Shinmachi, Nishi-ku, Hiroshima-shi In the Hiroshima Works of Sanishi Heavy Industries, Ltd. (72) Inventor Kokichiro Inoue 20-1 Shintomi, Futtsu-shi, Chiba New Nippon Steel Corporation Equipment Technology Center (72) Inventor Kawai et al. 20-1 Shintomi, Futtsu City, Chiba Prefecture Nippon Steel Corporation Equipment Technology Center (56) References JP-A-54-65977 (JP, A) Hikaru 2-137326 (JP, U)

Claims (1)

(57) [Claims] 1. A traveling continuous unloader installed on a pier on each side of which a bulking ship can berth, wherein the unloader is movably provided on a traveling gantry that can travel along the pier via a traversing drive mechanism. Swivel A-frame, the center of which is pivotally supported on the swing A-frame, the vertical booms and balance weights are provided at both ends, and the boom is driven up and down. The conveyor is equipped with a finned conveyer, and unloading of one side is performed at a position where the turning A frame has moved to a position near one of the sides of the traveling gantry. A traversing swivel type continuous unloader characterized by being moved within a range not exceeding the opposite quay line.