JPH06109375A - Tower lifting mechanism for tower equipment - Google Patents

Abstract

(57) [Summary] [Purpose] It is possible to improve the workability of the expansion and contraction work of a tower that is elastic and has a loading mechanism. (EN) Provided is a tower lifting mechanism for tower equipment, which is capable of opening and closing a transfer port and loading / unloading a transferred object into / from a tower. [Construction] The tower 16 includes a transfer port 36 for the transferred object 25,
A tubular member 3 which is expandable and contractable in a base 31 in which 37 is opened.
2 to 34. The tower 16 raises and lowers the hollow portion 35 and lifts the transported object 25 loaded from the transfer ports 36 and 37 of the base 31 to the work stages 17 and 18 provided on the upper part of the tower 16, and an elevator 46. Lift 46
And an elevating device 66 for elevating and lowering. Tower 16
Can be moved up and down by connecting the tubular members 32 to 34 of each stage of the tower 16 and the rods 39 to 41 of each stage of the multi-stage tube type cylinder 38 for each corresponding stage.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tower raising / lowering mechanism for tower equipment, and more particularly, a multistage tubular tower in which a plurality of stages of tubular members are elastically connected to each other can be raised and lowered by a multistage tube cylinder. Related to the tower lifting mechanism of the tower equipment.

[0002]

2. Description of the Related Art Heat-resistant bricks are laid on the inner wall of a furnace body such as a converter or an electric furnace in order to protect the furnace body from heat of molten metal. Although this brick has heat resistance, the temperature inside the furnace becomes extremely high, so the brick is severely melted and damaged due to use of the furnace, and it is normally replaced with new brick once a month. . The replacement of this brick is
This is done by breaking down and removing old bricks and laying new bricks on the inner wall of the furnace (building furnace).

One of the furnace construction works for laying this brick in the furnace body
As one of the methods, there is known a method using a furnace opening part opened at the upper part of the furnace. In this work, first of all, prior to the work, a lowering device that carries bricks into the furnace body from the furnace mouth is brought into the furnace body, then the worker carries the bricks up to the furnace mouth, and then the bricks carried up are lowered. Then, it is sequentially lowered into the furnace body and carried out horizontally at a predetermined height position.
After that, the worker manually lays this on the inner wall of the furnace body.

By the way, above the furnace opening, various incidental equipment necessary for melting metal, for example, is arranged. Therefore, it is extremely difficult to bring a large descending device into the furnace through the furnace opening. Is. Therefore, the lowering device is taken into the furnace body from the furnace mouth in a disassembled state and assembled in the furnace body.However, a worker carries the disassembled lowering device to the furnace mouth portion to raise the furnace. It took a lot of work to bring it into the body. In addition, even during the furnace construction work, the worker must carry the brick up to the furnace opening,
This work also required a lot of labor.

Therefore, as a countermeasure against this, an opening / closing opening is provided at the bottom of the furnace body, and a lifting device for lifting bricks is inserted into the furnace body through this opening. The lifting device lifts the brick from below the furnace body. It is known that it is carried into the furnace body. Conventionally, for example, the one disclosed in FIG. 7 of Japanese Examined Patent Publication No. 4-18003 is known as a tool for carrying bricks into the furnace through such an opening at the bottom of the furnace.

This is composed of a movable carriage arranged below a furnace body having an opening at the bottom of the furnace and a plurality of movable carriages which are sequentially stacked on the movable carriage and inserted into the furnace body through the opening. The frame unit is provided, and inside the frame unit, there is provided a brick lifting device that is a combination of a fixed ladder called a fixed beam vertically hung at a predetermined interval from each other, and a lifting ladder called a lifting beam. By continuously elevating and lowering the elevating ladder, the brick is sequentially lifted by the elevating ladder, the fixed ladder, and the elevating ladder. This eliminates the need for workers to lift the brick loading device into the furnace mouth to the furnace mouth at the top of the furnace or to carry many bricks to the furnace mouth during the furnace construction work. Therefore, it is possible to reduce the number of workers and improve workability.

[0007]

However, in the conventional furnace construction equipment, since the lifting device is thus of an assembly type, the worker can use the frame unit in the furnace body as the brick laying work progresses. However, the assembly work of the device for bringing the bricks into the furnace body is still troublesome, though it is not so much as when carrying it in through the furnace mouth portion above the furnace. The present invention has been made in view of such circumstances, and it is an object of the present invention to provide a tower elevating mechanism for tower equipment that has elasticity and can improve the workability of the expansion and contraction work of a tower equipped with a loading mechanism. To aim.

[0008]

In a tower lifting mechanism for tower equipment in accordance with the above object, a plurality of stages of tubular members are extendably and retractably provided in a tubular base portion in which a transport port of a transported object is opened. A multi-stage tubular tower, a plurality of multi-stage tube type cylinders that are evenly arranged around the tower and have multi-stage tube rods, a work stage provided above the tower, and the inside of the tower. And an elevator for raising and lowering the hollow part of the base to raise the object to be conveyed carried into the tower from the transfer opening of the base to the working stage, and an elevator for raising and lowering the elevator provided on the tower. A tower elevating mechanism of tower equipment comprising: a tower member of each stage of the tower and a rod of each stage of the multi-stage tube type cylinder are connected to each corresponding stage. .

[0009]

In the tower elevating mechanism for tower equipment according to the present invention, when the multi-stage tube type cylinder is driven, the rod of each stage projects and the tubular member of each stage connected to the rod rises. At this time, the transfer port opened in the base portion is opened when the first-stage tubular member which is first raised by the multistage tube cylinder is raised. This is because when a multi-stage tube type cylinder is driven, due to the characteristic of the telescopic cylinder that a heavy work stage is installed at the top of the tower, it expands and contracts in order from a rod with a large cross section when the load on the rod is large. The first-stage rod with the largest cross-sectional area projects first, and the first-stage rod protrudes to raise the first-stage tubular member together with the other tubular members, and This is for opening.

When the tower is raised to a predetermined height, the object to be conveyed is carried into the elevator table in the tower through the opened transfer port, and then the elevator is raised by the elevating device to lift the object to be conveyed from the tower. Lift to upper working stage. As described above, since the multi-stage tubular tower in which a plurality of stages of tubular members are elastically connected is moved up and down by the multi-stage tube type cylinder, a tower having elasticity and a loading mechanism is provided. The workability of the work of expanding and contracting can be improved.

[0011]

Embodiments of the present invention will now be described with reference to the accompanying drawings to provide an understanding of the present invention. Here, FIG. 1 is a cross-sectional view for explaining a usage state of a furnace building facility to which a tower lifting mechanism of a tower facility according to an embodiment of the present invention is applied, FIG. 2 is a plan view of the mobile carriage, and FIG. 3 is the tower. 4 is a plan view of the work stage, FIG. 5 (a) is a cross-sectional view of the main part for explaining the storage state of the outriggers in the work stage, and FIG. 5 (b).
FIG. 6 is a sectional view of an essential part for explaining a storage state of the rotating deck in the work stage, FIG.
7 is a plan view of the elevator, FIG. 8 is a front view of the boarding stage and the elevator, FIG. 9 is a cross-sectional view of the boarding stage and the elevator, FIG. 10 is a front view of the elevator, and FIG. 11 is the same. FIG. 12 is an enlarged side view of an essential part of the elevator, FIG. 12 is an enlarged side view of an essential part of the tower, FIG. 13 is an enlarged side view of an essential part of the tower, and FIG. Is.

As shown in FIG. 1, a furnace construction facility 10 to which a tower lifting mechanism of a tower facility according to an embodiment of the present invention is applied.
Is a moving carriage 15 that slides on a rail 14 arranged on a floor surface below a furnace body 13 for a converter having an opening 12 in a furnace bottom 11, and a central portion of the moving carriage 15. And a work stage 17 provided on the upper part of the tower 16 so as to be freely assembled, and on the work stage 17 or on the upper part of the tower 16. An occupant's boarding stage 1 as an example of a work stage that is freely installed in the vehicle
8 and. The work stage 17 and the boarding stage 18 can be separated from the tower 16 and housed on both sides of the moving carriage 15 as shown by the chain line in the figure.

As shown in FIG. 1 and FIG.
Is the second floor 2 from the center to the upper rear of the carriage body 19.
0 is provided, and these trolley body 19 and the second floor 2
At 0, a staircase 21 for raising and lowering is bridged. Also,
The work stage 17 is mounted on the front part of the carriage body 19,
The boarding stage 18 is placed at the rear of the second floor 20. A driver's cab 22 is provided in the front part of the carriage main body 19, and a connecting part 23 for connecting this moving carriage 15 to another moving carriage (not shown) is projectingly provided in the front of the driver's compartment 22. In addition, the wheel 2 that slides on the rail 14 is provided at the bottom of the carriage body 19.
4 are provided.

A recovery lifter 27, which is a recovery device for a pallet 26 to which a brick 25, which is an example of an object to be conveyed, is carried is provided near the front of the carriage main body 19. A carry-in conveyor 28 that carries the pallet 26 on which the bricks 25 are placed into the tower 16 is provided on the rear side of the tower 16 on the carriage body 19, and between the tower 16 on the carriage body 19 and the recovery lifter 27. A first carry-out conveyor 29 that carries out the pallet 26 is provided. In addition, the recovery lifter 2
A second discharge conveyor 30 for laterally discharging the pallet 26 from the recovery lifter 27 to the outside is provided on one side of the device 7.

As shown in FIGS. 1 and 2, the tower 16 is
Each of them is a tower having a square box-cylindrical shape in a plan view, and is an example of a base portion 31 fixed to the moving carriage 15 and a tubular member that is elastically inserted into the base portion 31. Lower tower part 32, middle tower part 33 and upper tower part 3
It is composed of 4. Each of the tower parts 32 to 34 has a cross-sectional shape that becomes smaller as it goes up. Also, FIG.
As shown in, a cavity 35 is provided in the tower 16,
A pallet 26 is installed on the bottom of the base 31 on the back of the tower 16
An inlet 36, which is an example of a transfer port for carrying in the inside, is opened, and an outlet 37, which is another example of the transfer port for carrying out the pallet 26 from the inside of the tower 16, is opened on the front surface of the lower portion of the base 31. It is open. The inlet 36 and the outlet 37 are opened and closed when the lower tower unit 32 inside the base unit 31 is moved up and down.

As shown in FIGS. 1 and 2, the tower 16
A pair of telescopic cylinders 38, which are multi-stage tube cylinders for expanding and contracting the tower 16, are erected on the movable carriages 15 on both sides. The telescopic cylinder 38
It is a three-stage rod type cylinder provided with a tube-shaped lower rod 39, middle rod 40, and upper rod 41. The tip end of the lower rod 39 is connected to the tip end of the lower tower part 32, and the tip end of the middle rod 40. Is connected to the tip of the middle tower part 33, and the tip of the upper rod 41 is connected to the tip of the upper tower 34 via a connecting part 42, respectively. The work stage 17 includes a lower plate 43 and an upper plate 44.
The lower plate 43 is attached to the tower 16 so as to be freely assembled, and the upper plate 44 is fixedly supported on the lower plate 43 by four columns 45. Upper and lower plates 43, 4
In the central part of 4, the elevating ports 47 and 48 of the elevating table 46 for elevating the cavity 35 in the tower 16 are provided, and the brick 25 is placed around the elevating port 47 on the lower plate 43. Four pay-out devices 49 for horizontally discharging the pallet 26 thus produced from the elevating table 46 are radially arranged in the front, rear, left and right directions.

As shown in FIGS. 4 and 5, the dispensing device 49
Is a rotating deck 50 that is rotatable upward on the outer edge of the lower plate 43.
And a roller conveyor 51 is provided on the rotating deck 50. A slide deck 50c, which moves in and out from the tip of the deck 50 by moving the rod 50b of the cylinder 50a in and out, is housed in the rotating deck 50. Similarly, as shown in FIGS. 4 and 5, between the dispensing devices 49 on the outer edge of the lower plate 43,
Four outriggers 52 for fixing the work stage 17 in the furnace body 13 at the time of furnace construction work are pivotally attached to the bases of the columns 45 so as to be rotatable upward. Outrigger 52
In a cylindrical main body 53, a leg portion 54 abutting against the inner wall of the furnace body 13 is slidably inserted.
Is the rod 54 of the cylinder 54a housed inside.
Sliding by inserting and removing b. A fan-shaped scaffolding plate 55 is removably laid between each dispensing device 49 and the outriggers 52. The scaffolding plate 55 is added to the extended portion when the slide deck 50c and the leg portion 54 are extended.

The payout device 49 and the outrigger 52 are rotated upward so that the work stage 17 can be put in and taken out of the furnace body 13 through the opening 12 of the furnace bottom 11 so as not to interfere with the putting in and out. At this time, the outrigger 52 can be housed in a vertically long groove portion 56 provided on the outer surface of the column 45. That is, as shown in FIG. 5A, the cylinder 4 provided in the groove portion 56 of the support column 45.
By projecting the rod 45b of 5a, the outrigger 52 is rotated upward and is housed in the groove 56. Because of this, the outrigger 52 can be easily stored.
The work stage 17 can be further smoothly taken in and out of the furnace body 13. As shown in FIG. 6, at a position opposite to the upper plate 44 of the work stage 17, a pair of building furnaces as an example of a brick stacking device that lays the bricks 25 discharged by the discharging device 49 on the inner wall of the furnace body 13. A device 57 is provided.
The furnace building device 57 clamps and picks up the bricks 25 on the dispensing device 94 by the clamp portion 59 provided at the tip of the arm 58, and moves the arm 58 to sequentially stack the bricks on the inner wall of the furnace body 13.

Returning to FIG. 1, the boarding stage 18 is
A base plate 61 supported so as to be freely assembled to four columns 60 erected on the upper plate 44, and a work deck 63 supported by the columns 62 on the platform plate 61 are provided. Elevating ports 64 and 65 of the elevating table 46 are provided in the central portions of the table 61 and the work deck 63, and a pair of left and right elevating devices 6 for elevating the elevating table 46 are provided at opposing positions of the table 61.
6 is provided. The work deck 63 is one in which a work handrail 63b is provided around a base 63a.
A balancer 63c, which is another example of the brick-laying device, is provided on 3a to assist the worker in the furnace construction work. Next, the elevating device 66 will be described in detail with reference to FIGS. As shown in FIGS. 7 and 8, a motor 67 is provided on the base plate 61, a gear 69 is fixed to a shaft shaft 68 of the motor 67, and a gear 70 meshing with the gear 69 is a rotary shaft 72 of a drum 71. Is stuck to. The rotary shaft 72 is supported by a pair of bearings 73, and the drum 7
1 is provided at both ends of the rotary shaft 72. Further, on the peripheral surface of the drum 71, wires 74 whose front ends are connected to the four corners of the elevating table 46 are wound.

In the lifting device 66 on the right side of the drawing, a gear 75 is fixed to one end of a rotary shaft 72 extending from one bearing 73, and a gear 76 meshing with the gear 75 is a bearing 77.
It is fixed to the tip of a short rotary shaft 78 that is cantilevered. One sprocket 79 is fixed near the base of the rotary shaft 78, while the other sprocket 80 is fixed to one end of the rotary shaft 72 extending from one bearing 73 in the lifting device 66 on the left side of the drawing. Has been done. A chain 81 for synchronizing the left and right motors 67 is arranged between these sprockets 79, 80, and a snap idle 82 for preventing the chain 81 from slackening is interposed in the middle of the chain 81. When the motor 67 is rotated, the rotating shaft 72 is rotated via the gears 69 and 70, whereby the wire 74 is drawn out from the drum 71, or the wire 74 is wound around the drum 71, so that the elevating table 46 moves up and down. To do.

Further, four cylinder-type stoppers 83 for holding the lift table 46 that has been lifted are provided upright in the vicinity of the columns 62 of the base plate 61. As shown in FIG. The elevating table 46 raised by projecting the rod 84 of 83 is supported from below. Next, lift 4
6 will be described in detail with reference to FIGS.

As shown in FIG. 9, the elevating table 46 has a lower step portion 85 made of a frame body, an upper step portion 87 made of the same frame body supported on the lower step portion 85 via a support 86, and an upper step portion 87. The turntable 88 is rotatably provided on the lower stage 85, and the motor 89 is provided on the lower stage 85 to rotate the turntable 88. A roller conveyor 90 used to convey the pallet 26 is provided on the turntable 88, and the rotary shaft 9 of the turntable 88 is provided.
1 is supported by the upper step portion 87 via a bearing 92. Between the lower surface of the turntable 88 and the upper surface of the upper step portion 87,
A donut-shaped orbiting thrust bearing 93 that receives the rotating thrust of the turntable 88 is interposed. A bevel gear 94 is fixed to the tip of a rotary shaft 91 of the turntable 88, and a bevel gear 95 meshing with the bevel gear 94 is a motor 89.
Is fixed to the shaft axis of. When the motor 89 is rotated, the rotating shaft 91 is rotated via the bevel gears 94 and 95, and the turntable 88 is rotated. A motor 89, a roller conveyor 90, and a slip ring 96 for supplying electric power to a limit switch (not shown) are provided at the center of the lower portion 85.

Further, as shown in FIG. 10, the lower step portion 85 has a short front and rear frame 98 and a left and right frame 99, and four pulleys 100 are provided at both ends of the left and right frame 99 and the corners of the lift table 46. It is attached diagonally toward the direction of the part. Further, as shown in FIGS. 10 and 11, on both ends of the left and right frames 101 of the upper step portion 87, long guide plates 102 whose tip portions are warped in the confronting direction are provided upright. The guide plate 102 moves from the lower tower section 32 to the middle tower section 33 when passing from the base section 31 to the lower tower section 32 when the elevator board 46 moves up in the hollow section 35 of the tower 16. The left and right sides of the lifting platform 46 are located at the lower end of the middle tower part 33 and the upper tower part 34 when the middle tower part 33 and the upper tower part 34 pass.
This prevents contact with the left and right inner walls of the lower end of the hose and hinders the smooth lifting of the lift table 46. In addition, the lift 46
In order to prevent the front and rear sides of the towers 32 to 34 from contacting the left and right inner walls of the lower ends of the towers 32 to 34, the left and right inner walls near the corners of the lower ends of the towers 32 to 34 as shown in FIG. The notch 103 is formed in each of the
A guide roller 104 is provided in the unit 3.

In FIG. 1, 105 is a receiving tube for the brick 25, 106 is a cable bear, 107 is a furnace upper part (inclined part), 108 is a furnace opening part opened in the furnace upper part 107, 10
Reference numeral 9 is a central portion of the furnace (straight body portion), 110 is a crane, and 111 is a forklift truck.

Next, the operation of the furnace construction equipment 10 to which the tower lifting mechanism of the tower equipment according to the embodiment of the present invention is applied will be described. In advance, as shown by the chain line in FIG. 1, the work stage 17 and the boarding stage 18 are separated from the tower 16 and stored on both sides of the tower 16 of the moving carriage 15. When constructing the furnace bottom 11 of the furnace body 13, first, the receiving cylinder 105 of the brick 25 is mounted in the opening 12, and the boarding stage 18 is moved so as to be located immediately below the opening 12 of the furnace bottom 11. The carriage 15 is moved below the furnace body 13, the boarding stage 18 is lifted by a crane 110 from above the furnace opening 108 of the furnace upper part 107, and the moving carriage 15 is moved to move the tower 16 to the opening 12 of the furnace bottom 11. The boarding stage 18 positioned directly below is lowered to mount the boarding stage 18 on the upper portion of the tower 16 with bolts.

Next, as shown in FIG. 13, when the telescopic cylinder 38 is driven, the lower stage rod 39 is projected, and the lower stage tower portion 32 of the tower 16 is replaced with the other tower portions 33, 34.
Along with this, the boarding stage 18 passes through the opening 12 and rises into the furnace bottom 11. At this time, as shown in FIG. 3, as the lower tower section 32 rises, the entrances and exits 36 and 37 provided in the lower portion of the tower 16 open. In this way, by driving the telescopic cylinder 38, the middle tower unit 3
The reason why the lower tower part 32 ascends while the upper tower part 34 and the upper tower part 34 do not ascend is that the characteristics of the telescopic cylinder 38 are expanded and contracted in order from a rod having a large cross-sectional area when the load applied to the rods 39 to 41 is large. This is because That is, as shown in FIG. 13 again, since the heavy loading stage 18 is mounted on the tower 16 and the tower portions 32 to 34 are connected to the rods 39 to 41, respectively, the telescopic cylinder 38 is driven. Then, first, the lower stage rod 39 having the largest cross-sectional area protrudes while pushing up the other rods 40 and 41, and the lower stage tower portion 32 connected to the lower stage rod 39 is accompanied by this protrusion.
Rises with the other tower parts 33, 34.

As described above, the inlets and outlets 36, 37 opened in the base 31 are always opened when the lower tower 32 raised by the telescopic cylinder 38 is raised. Regardless of the portion of the furnace body 13 such as the section 109 and the furnace upper part 107, when the tower 16 is extended and the furnace construction work is performed, the inlets and outlets 36 and 37 are always opened, and the brick 25 is inserted from the inlet 36 to the inside of the tower 16. Lift 46
It is possible to carry it up and lift it onto the boarding stage 18, or carry out the pallet 26 from which the bricks 25 have disappeared from the exit 37.

After that, the pallet 26 on which the bricks 25 are placed is transferred by the forklift truck 111 to the carry-in conveyor 28.
It is carried into the tower 1, and as shown in FIG.
It is conveyed onto the roller conveyor 90 of the elevating table 46 that has descended to the lower part of 6. Then, as shown in FIG.
The rotation of the motor 67 causes the wire 74 to be wound around the drum 71, and the lift table 46 to move up the cavity 35 in the tower 16 to the lift opening 65 of the work deck 63. At this time, even if the lift table 46 sways when the lift table 46 passes from the base section 31 to the lower tower section 32, as shown in FIGS.
1 and the guide plate 102 protrudingly provided on the lift table 46 shown in FIG.
The guide roller 104 provided at the lower end of the lower tower section 32 shown in FIG. 2 prevents the elevating table 46 from contacting the inner wall of the lower tower section 32. As shown in FIG.
When 6 rises up to the elevating port 65, the stopper 83 is driven to cause the rod 84 to project, and the elevating table 46 is supported from below.

Next, as shown in FIG. 14, a worker on the work deck 63 manually operates the balancer 63c to pick up the bricks 25 on the pallet 26 and sequentially lay them on the inner wall of the furnace bottom 11. At this time, since the receiving cylinder 105 is attached to the opening 12 of the furnace bottom 11, it is possible to prevent the brick 25 from sliding down the inner wall of the furnace bottom 11 which is inclined downward and dropping from the opening 12. The receiving tube 105 mounted in the opening 12 is removed at a proper time after the brick 25 is laid on the furnace bottom 11. As shown in FIG. 1, during the furnace construction work of the furnace central part 109, first, the loading stage 18 is temporarily removed from the tower 16 and the crane 110 lifts it from the furnace opening 108 of the furnace upper part 107 to a position above the furnace body 13. Is temporarily placed on the upper side of the furnace body 13. Then, the movable carriage 15 is moved to position the work stage 17 just below the opening 12 of the furnace bottom 11, and the work stage 17 is lifted by the crane 110 to open it.
Lift from 2 into the furnace body 13. At this time, the payout device 49 is rotated manually or electrically and the outrigger 52 is rotated upward by the cylinder 54a so that the work stage 17 does not interfere with the passage of the opening 12 (see FIG. 5).

Next, the moving carriage 15 is moved to position the tower 16 directly below the opening 12 of the furnace bottom 11, and the work stage 17 that has been lifted is then lowered to assemble it on the upper part of the tower 16. Subsequently, the boarding stage 18 in the temporarily placed state is lowered by the crane 110 from the furnace opening 108 into the furnace body 13, and is mounted on the work stage 17. After that, as shown in FIGS. 4 and 5, the dispensing device 49 and the outrigger 52 are rotated downward, and then the rod 54b is projected by the cylinder 54a to extend the leg portion 54 of each outrigger 52. The work stage 17 is supported in the furnace body 13 by being pressed against the inner wall. Further, the rod 50b of the cylinder 50a of the dispensing device 49 is projected to push out the slide deck 50c, and then the scaffold plate 55 is provided between each dispensing device 49 and the outrigger 52.
Attach.

Then, as shown in FIGS. 1 and 6, the intermediate rod 40 and the upper rod 4 are moved by the telescopic cylinder 38.
1 is projected to raise the middle tower part 33 and the upper tower part 34, and the work stage 17 is raised to a predetermined position in the furnace central part 109. After that, the motor 6 of the lifting device 66
7 to rotate the lift table 46 up to the lift opening 47 of the lower plate 43 of the work stage 17, and then rotate the turntable 88 by the motor 89 of the lift table 46 to discharge the pallet 26 in the selected delivery direction. Align with the transport direction of the device 49. Then, the roller conveyor 90 horizontally conveys the pallet 26 from the elevating table 46 to the selected dispensing device 49. Since it did in this way, the small motive power of rotating the turntable 88 can direct not only one direction of carrying out the bricks 25 but many directions by the number of the dispensing devices 49. It should be noted that, when the elevating table 46 passes between the base part 31, the lower tower part 32, the middle tower part 33, and the upper tower part 34 when the elevating table 46 is raised, a furnace construction work for the furnace bottom part 11 is performed. As in the case of the time, the guide plate 102 on the elevating table 46 and each of the tower parts 32 to
By the guide roller 104 provided at the lower end of 34,
It is possible to prevent the elevating table 46 from coming into contact with the inner walls of the tower sections 32 to 34 during the ascent.

Next, as shown in FIG.
The bricks 25 on the pallet 26 are clamped and picked up by the drive of No. 7, and they are sequentially stacked on the inner wall of the furnace central portion 109 from the lower position. At this time, when the bricks 25 on the pallet 26 are gone, the pallet 26 is returned to the lift table 46 to lower the inside of the cavity 35, and when it reaches the lower part of the tower 16, as shown in FIG. The pallet 26 is carried out by the roller conveyor 90 from the exit 37 of the tower 16 onto the first carry-out conveyor 29, and then is carried out to the outside via the recovery lifter 27 and the second carry-out conveyor 30 as shown in FIG. A new pallet 26 on which the bricks 25 are placed is transferred to the entrance 3 by the carry-in conveyor 28.
6 is placed on the lift table 46, and then the lift table 46 is raised to lift it onto the lower plate 43. Therefore, the turntable 88 is rotated so that the carrying-out direction of the pallet 26 is aligned with the carrying direction of the next selected dispensing device 49, and the pallet 26 is carried out in the horizontal direction. Perform laying work. These operations are repeated until the bricks 25 are laid on the entire inner wall of the furnace central portion 109.

When the work stage 17 is re-fixed to the upper position of the furnace body 13 as the bricks 25 are piled up, the legs 54 of the outriggers 52 are once retracted by the cylinder 54a, and then the telesco cylinder. 38
The middle stage rod 40 and the upper stage rod 41 are thereby projected to raise the work stage 17 to a predetermined position, and then the leg portions 54 of the outriggers 52 are projected again, and this is set in the furnace body 1.
Press it against the inner wall of 3. When constructing the furnace top 107,
The upper rod 41 is further projected by the telescopic cylinder 38, and the upper tower part 34 is raised until the boarding stage 18 reaches the furnace upper part 107. Next, the lifting device 6
The motor 67 of No. 6 is rotated to raise the elevating table 46 to the elevating port 65 of the working deck 63, and then the worker manually operates the balancer 63c in the same manner as in the above-described furnace construction work of the furnace bottom 11. Then, the bricks 25 on the pallet 26 are sequentially laid on the inner wall of the furnace upper part 107.

As described above, a plurality of tower sections 32 to 34 are provided.
Since the multi-stage cylindrical tower 16 in which the towers are elastically connected is moved up and down by the telescopic cylinder 38, the workability of the work of expanding and contracting the tower 16 having elasticity and having a loading mechanism is improved. Can be planned. Further, since the tower 16 is extended by the telescopic cylinder 38 and the brick 25 is carried into the furnace body 13 through the opening 12 by the elevating device 66, the furnace building work is performed while the furnace 25 is installed in the furnace body 13. It is easy to bring the part and the bricks 25 into the furnace body 13, and the workability of the furnace construction work can be improved. Moreover, since the bricks 25 are carried into the furnace body 13 by the elevating table 46 that ascends and descends in the cavity 35 of the tower 16, even if a load collapse occurs while the bricks 25 are being lifted, the bricks 25 are not removed. Tower 16 just by falling inside
Therefore, it is possible to prevent accidents such as damage to surrounding devices and injury of workers.
Further, since the portion of the furnace building equipment 10 to be inserted into the furnace body 13 is of a split type, even if the furnace body 13 does not have a sufficient height from the floor surface to the furnace bottom portion 11, this furnace building equipment 10 It is possible to easily insert the insertion part of the above into the furnace body 13. In addition, the work stage 1 is installed on the upper part of the tower 16.
Since 7 and the boarding stage 18 are selectively assembled, it is possible to perform the furnace building work by selecting the work by the worker and the work by the furnace building device 57 according to the site of the furnace body 13.

The present invention is not limited to the above-mentioned embodiment. For example, in the embodiment, the tower equipment of the present invention is adopted for the furnace construction equipment. It can also be applied to equipment. Further, in the embodiment, the converter is illustrated as the furnace body to be constructed, but the type of furnace is not limited as long as it is a furnace body in which bricks are laid on the inner wall such as an electric furnace. Further, in the embodiment, the work stage and the boarding stage are structured so that they can be separated from the tower, but if the furnace body has a sufficient height from the floor to the furnace bottom, the work stage and the boarding stage are fixed to the tower. It may have been done.

[0036]

The tower lifting mechanism for tower equipment according to the present invention has a structure in which a multi-stage tubular tower in which a plurality of stages of tubular members are elastically connected is moved up and down by a multi-stage tube cylinder. It is possible to improve the workability of the work of expanding and contracting the tower having the above and having the loading mechanism. Moreover, since the carried object is carried into the furnace, it is carried out by the elevating table which ascends and descends in the cavity of the tower.
Even if a load collapse occurs during lifting of the transported object, the transported object only falls inside the tower and does not fall out of the tower, which damages the surrounding devices and injures workers. Can prevent accidents. In addition, the transfer port opened on the base is always opened when the lower tower part, which was raised first by the telescopic cylinder, is lifted. It can be lifted from this transfer port to the work stage above the tower.

[Brief description of drawings]

FIG. 1 is a cross-sectional view illustrating a usage state of furnace construction equipment to which a tower lifting mechanism for tower equipment according to an embodiment of the present invention is applied.

FIG. 2 is a plan view of the mobile table.

FIG. 3 is a cross-sectional view of an essential part during the transfer of bricks into the tower.

FIG. 4 is a plan view of the work stage.

FIG. 5 (a) is a cross-sectional view of relevant parts for explaining the stored state of the outriggers on the work stage. (B) It is an important section sectional view explaining the storing state of the rotation deck in the work stage.

FIG. 6 is a cross-sectional view illustrating the same usage state.

FIG. 7 is a plan view of the lifting device.

FIG. 8 is a front view of the boarding stage and the lifting device.

FIG. 9 is a cross-sectional view of the boarding stage and the lift.

FIG. 10 is a front view of the lifting table.

FIG. 11 is a side view of a main part of the elevator.

FIG. 12 is an enlarged sectional view of a main part of the tower.

FIG. 13 is an enlarged side view of an essential part for explaining the extension state of the tower.

FIG. 14 is a cross-sectional view of an essential part for explaining the same usage state.

[Explanation of symbols]

 10 Furnace Construction Equipment (Tower Equipment) 11 Furnace Bottom 12 Opening 13 Furnace Body 14 Rail 15 Mobile Truck 16 Tower 17 Working Stage 18 Boarding Stage (Working Stage) 19 Truck Main Body 20 Second Floor 21 Stairs 22 Operator's Room 23 Connection 24 Wheels 25 Brick (conveyed object) 26 Pallet 27 Recovery lifter 28 Carry-in conveyor 29 First carry-out conveyor 30 Second carry-out conveyor 31 Base part 32 Lower tower part (cylindrical member) 33 Middle watter part (cylindrical member) 34 Upper Tower Part (Cylindrical Member) 35 Cavity Part 36 Inlet (Conveyor Port) 37 Outlet (Conveyor Port) 38 Telesco Cylinder (Multistage Tube Type Cylinder) 39 Lower Rod 40 Middle Rod 41 Upper Rod 42 Connecting Part 43 Lower Plate 44 Upper Plate 45 Strut 45a Cylinder 45b Rod 46 Lifting platform 47 Lifting port 48 Ascending Mouth 49 Discharge device 50 Rotating deck 50a Cylinder 50b Rod 50c Sliding deck 51 Roller conveyor 52 Outrigger 53 Main body 54 Leg 54a Cylinder 54b Rod 55 Scaffolding board 56 Groove 57 Construction furnace 58 Arm 59 Clamping section 60 Strut 61 Stand board 62 Strut 63 Working Deck 63a Platform 63b Handrail 63c Balancer 64 Elevating Port 65 Elevating Port 66 Elevating Device 67 Motor 68 Shaft Shaft 69 Gear 70 Gear 71 Drum 72 Rotating Shaft 73 Bearing 74 Wire 75 Gear 76 76 Gear 77 Bearing 78 Rotating Shaft 79 Sprocket 80 Sprocket 81 Chain 82 Snap Idle 83 Stopper 84 Rod 85 Lower Stage 86 Strut 87 Upper Stage 88 Turntable 89 Motor 90 Roller Conveyor 91 Rotating Shaft 92 Bearings 93 Swiveling thrust bearings 94 Bevel gears 95 Bevel gears 96 Slip rings 98 Front / rear frames 99 Left / right frames 100 Pulleys 101 Left / right frames 102 Guide plates 103 Notches 104 Guide rollers 105 Receptacles 106 Cable bears 107 Tops of furnaces 108 Furnace mouths 109 Center of furnaces Department 110 Crane 111 Forklift truck

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hirofumi Yamaguchi 1-9-10 Sanno, Yawatahigashi-ku, Kitakyushu City, Fukuoka Prefecture, Kuki Construction Co., Ltd. (72) Takeshi Kimoto, Nakahara, Tobata-ku, Kitakyushu, Fukuoka 46-59 Nippon Steel Co., Ltd. Machinery Plant Division (72) Inventor Juichi Shibata 5-3 Tokai-cho, Tokai City, Aichi Prefecture Nippon Steel Co., Ltd. Nagoya Steel Works

Claims (1)

[Claims] 1. A multi-stage tubular tower in which a plurality of stages of tubular members are extendably and retractably provided in a tubular base portion having an opening for transporting an object to be transported, and the towers are evenly arranged around the tower. Then, a plurality of multi-stage tube type cylinders having multi-stage tube type rods, a work stage provided in the upper part of the tower, and a cavity part in the tower are moved up and down, from a transfer port of the base part. A tower lifting mechanism for tower equipment, comprising: a lifting platform that lifts an object carried into a tower to the work stage; and a lifting device that is provided in the tower and that lifts the lifting platform. The tower elevating mechanism of tower equipment, characterized in that the tubular member of each stage and the rod of each stage of the multi-stage tube type cylinder are connected for each corresponding stage.