JP2001353514A - Guide device for shape rolling equipment and method for attaching and detaching it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a guide device for shape rolling equipment with which complicated structure is evaded and the change of an intermediate guide device and before and behind guide devices attached to a machine are automated without overhead cranes, and a method for attaching and detaching it. SOLUTION: This device has a base 19 for moving which is laid sideward crossing between shape rolling mills 11, 12 installed before and behind and a changing truck 20 which is placed on the base 19 for moving and sideward movable. On the changing truck 20, an intermediate guide device placing part 22 with which an intermediate guide device 13 is supported, the guide devices attached to the machine placing part 23 with which the before and after guide devices 14, 15 attached to the machine are transferable by moving it back and forth, new guide devices attached to the machine placing part 24 on which the new before and after guide devices 17, 18 attached to the machine for changing are placed and with which the guide devices are transferable onto before and after shape rolling mills 11, 12 by moving it them back and forth and a new intermediate guide device placing part 25 on which a new intermediate guide device 16 for changing is placed are provided connecting them in order and integrally.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has an object to provide a guide between a universal mill and an edger mill of a section steel rolling equipment such as an H-section steel for maintaining good guidance and guidance of a material to be rolled. The present invention relates to a guide device for a section steel rolling facility and a method for attaching and detaching the same.

[0002]

2. Description of the Related Art Conventionally, as a guide device for a detachable shaped steel rolling equipment, for example, there has been one disclosed in Japanese Patent Application Laid-Open No. Sho 53-6262. This device is an inter-rolling machine guide device comprising an intermediate guide installed between rolling mills and a rolling mill entrance guide installed by inserting an end portion into the window of the rolling mill housing before and after the intermediate guide, The intermediate guide is provided so as to be able to move laterally to the left and right, and the rolling mill entrance guide is configured to be able to move to a space in which the intermediate guide has been removed. With this configuration, the intermediate guide and the entrance / exit guide of the rolling mill can be removed to perform the roll exchange. In addition, the intermediate guide and the rolling mill entrance guide are mounted on the same frame, and the level of the guide is adjusted by moving the frame up and down. When the guide is removed, the guide is integrally removed using a crane.

[0003]

However, the guide device of the conventional section steel rolling equipment has the following problems. The intermediate guide is configured so that the web height can be adjusted by laterally moving it to the left and right, so it can be used continuously even if the shape of the shape steel changes, but the rolling mill entrance guide has a width direction There was no adjustment device. Since the intermediate guide and the rolling mill entrance / exit guide are integrally formed, in this case, it is necessary to always reassemble the intermediate guide together with the rolling mill entrance / exit guide at the time of roll change, resulting in waste of equipment. In addition, when changing the set of guides when changing rolls, it is necessary to remove the drive for adjusting the width of the intermediate guide and the drive for attaching and detaching the entrance and exit guides of the rolling mill. In addition, a lot of time is required for rearrangement and start-up, and there is a possibility that a trouble such as a splicing error may occur. Further, since the rolling mill entrance guide does not move sideways, other components cannot be mounted on the upper part of the rolling mill to secure a space for lifting and lowering the rolling mill between the rolling mills. In such a case, the component must be removed every time the roll is replaced. SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has a guide device for a shaped steel rolling equipment capable of avoiding a complicated structure and automating the replacement of an intermediate guide and front and rear machine-equipped guide devices without an overhead crane, and its attachment and detachment. The aim is to provide a method.

[0004]

According to the present invention, there is provided a guide device for a section steel rolling equipment according to the present invention, comprising: an intermediate guide apparatus provided between a section steel mill installed before and after; In the guide device of the section steel rolling equipment having a front and back movable guide device provided before and after, in the guide device of the section steel rolling equipment, which is laid traversing laterally between the section steel rolling mills installed before and after. A moving base, having a rearrangement trolley mounted on the movement base and movable sideways, wherein the rearrangement trolley has an intermediate guide device mounting portion supporting the intermediate guide device; The front and rear of the machine guide device are moved forward and rearward, respectively, and the machine-equipped guide device mounting portion capable of being transferred and the new machine guide device of the front and rear for rearrangement are mounted. A guide device with a new machine that can be moved and transferred to the preceding and following section rolling mills When a new intermediate guide device mounting portion is sequentially provided integrally connected placing the new intermediate guide device for reclassification. The rearranged cart may be formed by dividing one cart for each component, or may be configured such that another cart provided for each component is connected to operate integrally. Good. With this configuration, a new intermediate guide device and a new machine-equipped guide device for re-arrangement can be prepared on the re-assembly trolley using the overhead crane during operation of the section steel rolling facility before the re-arrangement of the rolls. . At this time, various pipes and electrical wiring are prepared for the relocation cart, and the piping and wiring of the section steel rolling equipment and the relocation cart are connected via flexible pipes,
Piping to a new machined guide device and a new intermediate guide device,
The connection of the wiring can be performed on the trolley, and the replacement time can be further reduced.

[0005] Here, fixed rails are provided on the front and rear section rolling mills, and shift rails connected to the fixed rails are respectively provided on the mounting unit for the machine-equipped guide device and the mounting unit for the new machine-equipped guide device. A hooking projection is provided at a lower portion of each of the front and rear machine guide devices and the front and rear new machine guide devices, and a telescopic rod is extended and contracted toward the shift rail toward the front and rear, respectively. Providing advance / retreat means for transferring the attached guide device or the front and rear the new machine equipped guide device between the fixed rail and the shift rail,
At the tip of the telescopic rod, a latch having a latch groove is attached via a pivot pin so as to be vertically movable, and an open / close lid that can be moved up and down together with the latch by an open / close cylinder is provided on the fixed rail. It is also possible to switch the hooking state of the hook for the telescopic rod and the hooking projection by operating the opening / closing lid.

At the time of removing the front and rear mechanical guides, first, when the telescopic rod of the advance / retreat means is extended with the opening / closing lid part opened, the telescopic rod is provided rotatably (up and down) at the tip of the telescopic rod. The latch is bent downward along the lid. Then, when the opening / closing lid is closed at a position where it overlaps with the hooking projection, the hooking metal is hooked on the hooking projection.
Next, when the telescopic rod is contracted, the machined guide device is
It is transferred from the fixed rail to the shift rail together with the telescopic rod. When the front and rear new guide units are mounted, the front and rear new guide units are pushed by the telescopic rods of the reciprocating means extending forward and backward from the shift rails of the mounting unit for the new front and rear devices, respectively. It is transferred to the fixed rail of the section steel rolling mill. Next, when the opening / closing lid is opened, the hook at the tip of the telescopic rod pivots with the opening / closing lid and moves downward, and the hook is released from the hooking projection of the guide device with a new machine. Next, by retracting the telescopic rod and returning the latch on the fixed rail to the shift rail, the guide device with a new machine can be transferred. With such a configuration, the transfer of the guide unit with the machine and the guide unit with the new machine can be performed in a short time without using an overhead crane. In addition, since the new machine guide device is completely separated from the new machine guide device mounting portion and transferred to the shaped steel rolling mill, the impact applied to the new machine guide device during rolling is not transmitted to the advance / retreat means, It is possible to prevent equipment failure and improve the reliability of the apparatus.

Further, fixed rails are provided on the front and rear section rolling mills, and shift rails connected to the fixed rails are respectively provided on the machined guide device mounting portion and the new machined guide device mounting portion. The rear part of the front mechanical guide device and the front part of the new mechanical guide device on the front side, and the front part of the rear mechanical guide device and the front part of the new mechanical guide device on the rear side, Protrusions are provided respectively, and the telescopic rods are extended and retracted toward the front and rear of the shift rail to transfer the front and rear machine-mounted guide devices or the front and rear new machine-mounted guide devices between the fixed rail and the shift rail. Providing advance / retreat means for mounting, at the tip of the telescopic rod, laterally moving and engaging with the engaging projection,
Alternatively, it is also possible to attach hook members that can be unlocked, respectively, and switch the hooking state of the hook projection and the hook member by moving the rearrangement bogie. The shape of the pair of engaging projections and the engaging member may be any shape as long as it can be moved to the side and engaged and released, and can move back and forth in the engaged state. For example, C, U, J, L, S
It can be formed in a U-shape, a U-shape or the like, and the respective ends can be hooked to each other. When the rearrangement bogie is moved, the advancing / retreating means provided on the machine-equipped guide device mounting portion moves sideways with the telescopic rod extended. Next, when the machine-mounted guide device mounting portion moves to a position adjacent to the machine-mounted guide device, the engaging member of the machine-mounted guide device mounting portion engages with the engaging protrusion of the machine-mounted guide device. By retracting the telescopic rod, the machine-equipped guide device can be transferred to the machine-equipped guide device mounting portion. Further, the advancing / retreating means provided on the mounting portion of the new-equipped guide device moves sideways while being engaged with the engaging protrusion of the new-equipped guide device and with the telescopic rod contracted. Next, after the new-equipped guide device mounting portion moves to a position adjacent to the fixed rail, the telescopic rod is extended, and the new-equipped guide device is transferred to the fixed rail. Then, it is possible to release the engagement state between the engagement projection and the engagement member by moving the rearrangement carriage with the extension rod extended. With this configuration, it is possible to simultaneously move the rearrangement bogie and switch the engagement state between the engagement protrusion and the engagement member. In addition, since the locking state is switched by horizontally moving the locking member to the side, the structures of the locking projection and the locking member can be simplified.

[0008] Further, a rotating clamp member which rotates and presses and holds an upper part of the front and rear machined guide device or a front and rear of the new machined guide device on the front and rear of the section steel rolling mill, An upper fixing device provided with an expansion / contraction means having its tip attached to a rotating clamp member is provided, and at the lower part of the front and rear shaped steel rolling mills, the machined guide device that advances and retreats laterally and front and rear or the front and rear It is also possible to provide a lower fixing device for hanging the lower part of the new machined guide device. With such a configuration, the new machined guide device can be integrally fixed to the shaped steel rolling mill, and the impact transmitted to the new machined guide device during rolling is not transmitted to the rearrangement bogie supporting the new intermediate guide device. The rearrangement cart can be manufactured easily and lightly. And, the upper and lower section steel rolling mills are provided with a lower guide height adjusting mechanism which is detachably and interlockedly connected to the front and rear machined guide devices, and the upper and lower guide height adjusting mechanisms are connected to the front and rear. The upper and lower guide shafts are slidably mounted on the upper and lower guide shafts, and the upper and lower guide coupling shafts are rotatable around an axis eccentric from the axis of the upper and lower guide shafts. It is detachably connected to the corresponding distal end, and the upper and lower guide connecting shafts are rotatable around the axis. Alternatively, the upper and lower rotary cylinders may be attached to the front and rear section rolling mills and connected to the lower rotary drive source in an interlocking manner. With such a configuration,
The height adjustment can be performed by vertically moving the upper and lower hoods without obstructing the smooth opening and closing operation of the lower hood, which is slidably mounted on the lower guide shaft. In addition, by using the lower guide shaft and the upper and lower guide connecting shafts whose axes are eccentric with each other, the lower guide height adjustment mechanism can be realized in addition to having a compact configuration, and the narrow space around the shape steel rolling mill can be realized. It can be easily installed in space.

The method for attaching and detaching the guide device of the section steel rolling equipment according to the present invention includes an intermediate guide apparatus provided between the section steel rolling mills installed before and after, and an intermediate guide apparatus provided before and after the intermediate guide apparatus. In the method of attaching and detaching a guide device of a section steel rolling facility for replacing a movable front and rear machine guide apparatus with a new intermediate guide apparatus having a different size and a new front and rear machine guide apparatus, the section steel roll installed before and after The intermediate guide device supported via a rearrangeable trolley that can move laterally on a moving base laid across the machine sideways,
A first one which is moved to one side by a predetermined distance together with the rearrangement bogie;
The step, the front and rear of the machine guide device before and after the machine guide device mounting portion formed adjacent to the intermediate guide device mounting portion of the rearrangement truck, respectively, moved forward and transferred, A second step of moving the relocated trolley to one side by a predetermined distance, and being previously mounted on a new machined guide device mounting portion formed adjacent to the machined guide device mounting portion of the relocated trolley. A third step of moving the re-installed front and rear guide devices with front and rear respectively to the front and rear of the section steel rolling mill, and moving the rearrangement carriage to one side by a predetermined distance; and A new intermediate guide device for rearrangement, which is previously mounted on a new intermediate guide device mounting portion formed adjacent to the new machine-equipped guide device mounting portion of the replacement trolley, is mounted on the replacement trolley. And a fourth step of fixing the guide device between the front and rear of the guide device. In the first and second steps, an intermediate guide device,
And the front and rear machine guides can be removed, and the front and rear new machine guides and new intermediate guides can be attached, so that the roll change can be performed without performing the time-consuming overhead crane work. Work time can be shortened. The overhead crane operation can be performed during the operation of the section steel rolling facility.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention. As shown in FIGS. 1 and 2, a guide device 1 for a section steel rolling equipment according to a first embodiment of the present invention.
Reference numeral 0 denotes an intermediate guide device 13 provided between a universal mill 11 and an edger mill 12, which are examples of a section steel rolling mill installed in front and rear, respectively, and front and rear provided in front and rear of the intermediate guide device 13 so as to be movable back and forth. In the section rolling mill having the machined guide devices 14 and 15, the intermediate guide device 13 and the machined guide devices 14 and 15 are continuously connected to the new intermediate guide device 16 and the front and rear new machined guide devices 17 and 18. It is a replaceable device. The details will be described below.

The guide device 10 includes a transfer base 19 laid laterally across the space between the universal mill 11 and the edger mill 12 which are respectively installed on the front and back of the foundation 26.
And a relocation cart 20 mounted on the movement base 19 and movable sideways along the movement base 19. First,
With reference to FIG. 1 and FIG. The rearranged trolleys 20 which are long in the left-right direction are arranged in order from the right side, from the intermediate guide device mounting portion 22, the machine-equipped guide device mounting portion 23, the new machine-equipped guide device mounting portion 24, and the new intermediate guide device mounting portion 25. The blocks are divided into four blocks, and each block is provided integrally.

An intermediate guide device 13 for transferring the material 30 to be rolled from the universal mill 11 to the edger mill 12 is supported and fixed to the intermediate guide device mounting portion 22.
Further, the machine-equipped guide devices 14, 15 attached to the universal mill 11 and the edger mill 12, respectively, can be moved to the front and then transferred to the machine-equipped guide device mounting portion 23. Further, the new machine-equipped guide device mounting portion 24 has new and new machine-equipped guide devices 17, 1
8 is mounted, and when the new machine-equipped guide device mounting portion 24 moves between the universal mill 11 and the edger mill 12, the new machine-equipped guide devices 17 and 18 are moved back and forth, and the universal mill 11 and It can be transferred to the edger mill 12. Then, the new intermediate guide device 16 for rearrangement is mounted on the new intermediate guide device mounting portion 25.

A moving cylinder 27 is provided on the moving base 19 along the longitudinal direction, and a tip metal fitting 28 provided at the front end of the moving cylinder 27 is provided at a lower portion of the rearrangement cart 20. It is connected to the connection fitting 29. FIG.
As shown in (1), a rearrangement truck fixing device 33 having a clamp arm 32 that opens and closes by a clamp cylinder 31 and grips and fixes a lower portion of the rearrangement truck 20 is provided on the front and rear of the transfer base 19. A cable bear (registered trademark) 21 is connected to the left end of the relocation truck 20, and various pipes and electric wiring cables provided inside the relocation truck 20 are connected to a shaped steel rolling facility. I have. With such a configuration, it is possible to perform connection work of various pipes and wirings on the relocation cart 20. Further, the relocation cart 20 can be moved laterally by extending and retracting the rod of the moving cylinder 27, and the relocation cart 20 can be fixed by extending and retracting the cylinder rod of the clamp cylinder 31. Next, the intermediate guide device 13 will be described with reference to FIG. The intermediate guide device 13 is fixed to the intermediate guide device mounting portion 22 of the rearrangement bogie 20, and has an upper hood 34 and a lower hood 35 for guiding the material to be rolled 30 (see FIG. 6) from above and below. Above the upper fund 34, an upper fund raising / lowering cylinder 36 for adjusting a gap is provided. With such a configuration, the intermediate guide device 13 moves sideways together with the rearrangement bogie 20 and is fixed.

Next, with reference to FIGS. 3 and 4, the front and rear guide devices 14, 15 and their attachment / detachment structure will be described. The attachment / detachment mechanisms provided on the universal mill 11 and the edger mill 12 for fixing the front and rear machine-equipped guide devices 14 and 15 and the machine-equipped guide devices 14 and 15 are substantially the same and are symmetrical in the front-rear direction (see FIGS. 4 is provided symmetrically), so here, the machine-equipped guide device 14 provided in the universal mill 11 will be described, and as for the machine-equipped guide device 15, the same members will be assigned the same reference numerals and described. Is omitted. At the lower rear part of the universal mill 11, a mounting stand 37 is erected, and at the upper end thereof, the guide box 3 of the machined guide device 14 is provided.
9 is provided. The guide box 39 has an upper guide shaft 40 and a lower guide shaft 41.
The upper hood 42 and the lower hood 43 are respectively attached via. Further, the lower guide shaft 41 is provided with a locking projection 44 projecting downward.

As shown in FIGS. 1 and 4, shift rails 45 connecting both ends to the front and rear fixed rails 38 are provided on both left and right sides of the machine-equipped guide device mounting portion 23 of the rearrangement bogie 20. I have. Between the left and right shift rails 45,
A detachable cylinder 47 is provided as an example of an advancing / retreating means for extending and retracting the extensible rod 46 and transferring the machine-equipped guide device 14 from the fixed rail 38 of the universal mill 11 to the shift rail 45. In addition, next to the detachable cylinder 47, a detachable cylinder 48, which is an example of an advancing / retracting unit in which the direction of the telescopic rod 46 is reversed, is provided for attaching and detaching the guide device 15 with a machine. A groove-shaped guide member 49 having an open top is provided around the telescopic rod 46 when each telescopic rod 46 is extended. Here, FIG.
With reference to (A) to (C), the engagement between the telescopic rod 46 and the guide device 14 will be described in detail.

At the tip of the telescopic rod 46, a tip fitting 50 is provided.
Is attached to the front end fitting 50, and a locking fitting 52 having a locking groove 51 opened upward is provided rotatably (up and down) via a rotating pin 53. On the other hand, at the lower part of the fixed rail 38, an opening / closing lid 54 to which the end on the mounting base 37 side is rotatably mounted is provided. Fixed rail 3
An opening / closing cylinder 55 is rotatably supported by the mounting base 37 that supports the opening 8, and a tip of a rod 56 of the opening / closing cylinder 55 is rotatably (up and down) connected to a lower portion of the opening / closing lid 54. I have. When the rod 56 of the opening / closing cylinder 55 is extended, the opening / closing lid 54 is, as shown in FIG.
When the rod 56 contracts substantially in the horizontal state (closed state), the opening / closing lid 54 rotates and the tip is lowered (open state) as shown in FIGS. 5B and 5C. become.

With this configuration, when the telescopic rod 46 of the attachment / detachment cylinder 47 is extended while the opening / closing lid 54 is in the open state, the latch 52 is provided inside the guide member 49 with the guide roller 57 provided below. Moves while rolling, moves toward the open / close lid 54, bends along the upper surface of the open / close lid 54, and moves obliquely downward (see FIG. 5B). When the rod 56 of the opening / closing cylinder 55 is extended with the telescopic rod 46 extended, the opening / closing lid 5
4 is rotated to be in a closed state, and the latch 52 is also pivoted together with the opening / closing lid 54 to move upward, and the latching groove 51 is formed in the latching projection 44 of the guide device 14 with a machine. (See FIG. 5A). When the telescopic rod 46 of the attachment / detachment cylinder 47 is contracted in a state where the engaging groove 51 is fitted to the engaging protrusion 44, the machine-equipped guide device 14 can be transferred to the shift rail 45.

When the rod 56 of the opening / closing cylinder 55 is contracted while the telescopic rod 46 is extended, the engaging groove 51 and the engaging projection 44 can be separated from each other.
As described above, the operation of the opening / closing lid portion 54 causes the latch 52
And the hooking state of the hooking projection 44 can be switched. Next, an upper fixing device 58 and a lower fixing device 59 for fixing the machined guide device 14 to the universal mill 11 will be described with reference to FIGS. 3, 4, 6, and 7. The upper fixing device 58 is provided on each of the left and right sides of the rear upper portion of the universal mill 11, and has a rotating clamp member 60 that rotates and presses and holds the upper portion of the machine-equipped guide device 14 in a front lower direction. ing. Further, the upper fixing device 58 has a fixing cylinder 62 as an example of an expansion / contraction means which is attached to the tip of a rod 61 to the rotating clamp member 60 and is supported in a trunnion type at the upper rear part of the universal mill 11. . The rod 61 of the fixing cylinder 62 is provided substantially downward, and is configured to reduce the mounting space together with the rotating mechanism.

The lower fixing device 59 is a universal mill 1
Rods 63 provided on the left and right sides of the rear lower portion of the device 1 and capable of moving back and forth laterally are made to protrude inward so as to be opposed to each other, and the lower rear portion of the guide unit 14 can be hooked. The machined guide device 14 can be securely fixed to the universal mill 11 by the upper fixing device 58 and the lower fixing device 59. Next, with reference to FIGS. 6 to 8, an upper guide height adjusting mechanism 64 provided on the universal mill 11 and the edger mill 12 and detachably connected to the front and rear machine guide devices 14 and 15, a lower guide The height adjustment mechanism 65 will be described. The universal mill 11 and the edger mill 12 are provided with substantially the same upper and lower guide height adjusting mechanisms 64 and 65. , 65 only.

As shown in FIG. 8, the upper and lower guide height adjusting mechanisms 64, 65
Attach the lower hoods 42 and 43 slidably,
At the ends of the lower guide shafts 40, 41, the upper and lower guide shafts 40,
An upper end rotatable about an axis eccentric from the axis of 41 and upper and lower ends of the lower guide connection shafts 68 and 69 are detachably connected. That is, projections 70 having an irregular cross section (for example, elliptical cross section)
71 are protruded, and these projections 70 and 71
The upper and lower guide connecting shafts 68 and 69 are detachably attached to holes 72 and 73 having a modified cross section (for example, an elliptical cross section) provided at corresponding end portions thereof, but are integrally fitted and connected in a state where relative rotation cannot be performed. I have. The base ends of the upper and lower guide connecting shafts 68 and 69 are fitted into the upper and lower rotary cylinders 74 and 75 rotatably around the axis so as to be able to advance and retreat in the axial direction and to be integrally rotatable.

That is, connecting shaft attaching / detaching cylinders 76, 77 are disposed in the upper and lower rotary cylinders 74, 75, and the end portions of the extendable rods are the base ends of the upper and lower guide connecting shafts 68, 69. Is connected to the end face. A base of a swing arm 78 is connected to the upper rotary cylinder 74, and the swing arm 7
8 is located on one side of the guiding portion 79 (see FIG. 3), and is an upper guide height which is an example of an upper rotary drive source attached to the rolling mill housing 82 (see FIG. 3) of the universal mill 11. The adjusting cylinder 80 is pivotally connected to a distal end of a telescopic rod 81. On the other hand, the base of the swing arm 87 is connected to the lower rotary cylinder 75, and the tip of the swing arm 87 is connected to the tip of an intermediate swing arm 83 whose base is pivotally supported by the rolling mill housing 82. The intermediate portion of the intermediate swing arm 83 is connected to the end of a telescopic rod 86 of a lower guide height adjusting cylinder 85 which is an example of a lower rotary drive source attached to the rolling mill housing 82. The part is pivotally connected.

With this configuration, the upper and lower guide height adjusting cylinders 80 and 85 are driven, and the upper and lower guide connecting shafts 6 are driven.
The axis is eccentric around 8, 69, and the lower guide shaft 40,
The upper and lower hoods 42 and 43 are raised and lowered without hindering the smooth opening and closing operations of the upper and lower hoods 42 and 43 by slidably rotating the upper and lower guide shafts 40 and 41. Adjustments can be made. Next, with reference to FIG. 1, a description will be given of the guide unit placement unit 24 with a new machine and the new intermediate guide device placement unit 25. The new-equipped guide devices 17 and 18 are placed on the new-equipped guide device mounting portion 24 in substantially the same state as the new-equipped guide devices 14 and 15 shown in FIG. The constituent members of the new on-board guide devices 17 and 18 are substantially the same as those of the on-board guide devices 14 and 15, and a description thereof will be omitted. The various pipes and electric wiring of the guide units 17 and 18 with the new machine are the same as those of the relocation cart 2
On 0, it is connected before reassignment.

The new intermediate guide device 16 is supported and fixed to the new intermediate guide device mounting portion 25. The constituent members of the new intermediate guide device 16 are substantially the same as those of the intermediate guide device 13, and a description thereof will be omitted. Subsequently, FIG.
(A)-(C) and FIGS. 10 (A)-(C), a method of attaching and detaching the guide device 10 of the section steel rolling equipment will be described. The method of attaching and detaching the guide device 10 of the section steel rolling equipment includes an intermediate guide device 13 provided between the universal mill 11 and the edger mill 12, and mechanical guide devices 14, 15 provided before and after the intermediate guide device 13, respectively. Is replaced with a new intermediate guide device 16 and guide devices 17 and 18 having different sizes. The details will be described below.

(Preparation process) As shown in FIG. 9A, during the operation of the section steel rolling equipment using the intermediate guide device 13 and the machine-equipped guide devices 14 and 15, a new machine is used by using an overhead crane (not shown). The guide devices 17 and 18 are carried in, and are mounted on the new guide device mounting portion 24 formed adjacent to the mechanical guide device mounting portion 23 of the rearrangement bogie 20. Similarly, the new intermediate guide device 16 is carried in by an overhead crane,
It is placed on the new intermediate guide device receiver 25 adjacent to the new machined guide device receiver 24. Then, the new intermediate guide device 16 is attached to a pipe provided on the rearranging carriage 20 via a flexible tube (not shown) in the upper fund raising / lowering cylinder, so that it can be driven.

(First Step) As shown in FIG. 3 and FIG. 9B, after stopping the section steel rolling equipment, first, the cylinder rod of the clamp cylinder 31 at the lower part of the reorganization carriage 20 is contracted.
The lock of the relocation cart 20 is released, and the relocation cart 20 is moved to the side. The relocation cart 20 is moved to the right along with the intermediate guide device 13 by a predetermined distance using the transfer cylinder 27 and is moved out of the line. Secure using 31. (Second step) Universal mill 11 and edger mill 1
2 respectively upper fixing device 58 and lower fixing device 59
To release the fixing of the machine-equipped guide devices 14 and 15. Next, as shown in FIG. 4 and FIG.
0, the front and rear machine guide devices 14 on the machine guide device mounting portion 23 formed adjacent to the intermediate guide device mounting portion 22
15 is automatically moved before and after using the detachable cylinders 47 and 48, respectively, and transferred from the universal mill 11 and the edger mill 12 to the machined guide device mounting portion 23. Then, as shown in FIG.
The clamp 0 is removed, and the relocation cart 20 is moved rightward by a predetermined distance.

(Third Step) As shown in FIG.
The front and rear new machine guide devices 17 and 18 for rearrangement mounted on the new machine guide device mounting portion 24 of the rearrangement cart 20.
Are moved back and forth using the detachable cylinders 47 and 48, respectively, and the universal mill 11 and the edger mill 1 are moved.
2 are automatically transferred. And the relocation cart 20
Is removed, and the relocation cart 20 is moved to the right by a predetermined distance. (Fourth Step) As shown in FIG.
With the replacement new intermediate guide device 16 previously mounted on the new intermediate guide device mounting portion 25 being mounted on the rearrangement trolley 20, between the front and rear new machine-equipped guide devices 17 and 18,
The relocation cart 20 is fixed by clamping.

According to such a procedure, the guide can be replaced when the rolls are changed, and the rolling can be restarted. Intermediate guide device 13 and machine-equipped guide devices 14 and 15
Can be carried out with an overhead crane after the start of rolling. Overhead cranes are frequently used when changing rolls, but are less congested during rolling. Therefore, in the present invention, since the guide can be replaced without using an overhead crane at the time of roll replacement, there is no need to wait for the use order of the overhead crane at the time of guide replacement,
Guide exchange time can be reduced to almost half of the conventional case. In addition, the intermediate guide device 13 and the machined guide device 1
The intermediate guide device and the machine-equipped guide device to be used next are placed and prepared on the intermediate guide device-equipped portion 22 and the machine-equipped guide device-equipped portion 23 after the unloading of 4, 4 And the working time can be continuously reduced. In addition, for example, when an abnormality occurs in the shaped steel rolling mill and the roll needs to be replaced, or when performing the roll zero adjustment work and the inspection of the guide, the inspection can be performed simply by moving on the relocation cart. In addition, it is possible to secure a space for an operator to enter the section steel rolling mill, and it is possible to easily perform inspection and maintenance work.

Next, a guide device of a section steel rolling facility according to a second embodiment of the present invention will be described. The guide devices are the machine-equipped guide devices 14 and 15 and the new machine-equipped guide devices 17 and 18 of the guide device 10 of the section steel rolling equipment according to the first embodiment, and the machine-equipped guide device mounting portion 23 and the new machine. Guide devices 91 and 92 and new machine guide devices 93 and 94 in which the mechanism of switching the engagement state of the guide device mounting portion 24 is changed, and a machine guide device mounting portion 95 and a new machine guide device. And a mounting portion 96. In addition,
Since the other parts have the same configuration, the same members are denoted by the same reference numerals and description thereof will be omitted. As shown in FIGS. 11 and 12, in the first embodiment, the mounting base 3 below the universal mill 11 and the edger mill 12 is mounted.
7 and the opening / closing cylinder 55
Are also omitted, and the hooking projections 44 provided on the lower guide shaft 41 of the mechanical guide devices 14 and 15 are also omitted. At the lower rear end (rear portion) of the guide unit 91 and the lower front end (front portion) of the guide unit 92, a groove-shaped engaging projection 88 which opens downward is provided with the direction of the groove. Are provided at the same level.

The shift rail 45 of the guide unit mounting portion 95 is provided with detachable cylinders 47,
8 are provided, respectively, but in the first embodiment, the tip metal fitting 50, the hook metal fitting 52, and the rotating pin 53 provided at the tip of the telescopic rod 46 are omitted.
Instead, at the tip of the telescopic rod 46, a hooking member 89 that can be moved to the side and hooked on the hooking projection 88 or can be released is attached. Hook member 89
Is a groove-shaped member opened upward, and the direction of the groove is directed to the side. Each hooking member 89 can switch the hooking state of the hooking projection 88 and the hooking member 89 by moving the rearrangement cart 20. Since the locking member 89 only moves forward and backward and does not rotate, the structure of the device can be simplified. In addition, since there is no rotation time, the work time can be reduced. In addition, the guide device 9 with a new machine
3, 94 and the structure of the guide unit mounting part 96 with a new machine
Machined guide devices 91 and 92 and machined guide device mounting section 9
5, the description is omitted.

When the guide units 91 and 92 are mounted on the guide unit mounting unit 95, as shown by the two-dot chain line in FIG. 12 and as shown in FIG.
6 with the extension member 6 moved to the side,
The tip is fitted into the groove of the engaging projection 88, and
The tip of the engaging projection 88 also fits into the groove of the engaging member 89. Further, at this time, each shift rail 45 is connected to the fixed rail 38 provided on the mounting base 37 of each of the universal mill 11 and the edger mill 12. Then, by retracting the telescopic rod 46, the machine-equipped guide devices 91 and 92 are connected to the fixed rail 38 connected thereto.
And, it can be transferred to the machine-equipped guide device mounting portion 95 via the shift rail 45. When transferring the new-equipped guide devices 93 and 94 of the new-equipped guide device mounting portion 96 to the universal mill 11 and the edger mill 12, as shown by a solid line in FIG. 12, the telescopic rod 46 is contracted. Moreover, the hooking member 89 moves sideways while being hooked on the hooking projections 88 of the guide units 93 and 94 with new machines, and stops between the universal mill 11 and the edger mill 12. Then, the telescopic rod 46 is extended, and the new machine-equipped guide devices 93 and 94 are transferred to the universal mill 11 and the edger mill 12 with the engaging member 89 and the engaging projection 88 engaged. Then, in a state where the telescopic rod 46 is extended, it moves further to the side,
The engagement between the engaging member 89 and the engaging projection 88 is released.

Next, a method of attaching and detaching the guide device of the section steel rolling equipment will be described. Since the method of attaching and detaching the guide device has substantially the same steps as the method of attaching and detaching the guide device 10 described above, here, the machine-equipped guide devices 91 and 92 will be described focusing on the timing of the advance and retreat of the detachable cylinders 47 and 48. Will be described. (Rod extension) The detachable cylinders 47 and 48 are operated to extend the telescopic rod 46. This step is performed when the intermediate guide device 13 is disposed between the universal mill 11 and the edger mill 12. Next, the relocation cart 20 is moved, the machine-equipped guide device mounting portion 95 is carried into the line, and the engaging projection 88 is engaged.
The hooking member 89 is hooked. (Rod Shrinkage) Then, the telescopic rod 46 is shrunk, and the mechanical guide devices 91 and 92 are transferred to the mechanical guide device mounting portion 95. The rod extension can be performed before the movement of the relocation cart 20, and the engagement can be performed at the same timing as the movement of the relocation cart 20, so that the time for performing only the transfer is the time for the rod contraction. Only. In the first embodiment, it is necessary to extend the rod after the movement of the rearrangement bogie 20 and a step for raising the opening / closing lid 54 is also required. Three steps of shrinkage are required for transfer. Therefore, when the guide device according to the second embodiment is used, the operation time can be reduced as compared with the case where the guide device 10 according to the first embodiment is used.

Although the embodiment according to the present invention has been described above, the present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, the relocation cart 20 is located from the left. Although the case of moving to the right has been described, it is moved in the opposite direction at the time of the next roll change. Also,
In the first embodiment, the detachable cylinders 47, 48
Is provided rotatably via a pivot pin 53, but it can be urged downward in advance to more reliably operate in accordance with the operation of the open / close lid 54. Further, the lower fixing device for fixing the machined guide device can be a turning mechanism like the upper fixing device. In the second embodiment, the engaging projection 88 opens downward, and the engaging member 89 opens upward. However, the opening directions can be reversed.

[0033]

According to the guide device of the section steel rolling equipment according to the first to fifth aspects, an intermediate guide device mounting portion supporting the intermediate guide device, a machine-mounted guide device mounting portion, and a new machine-equipped guide device are provided. Since the mounting portion and the new intermediate guide device mounting portion are provided integrally and sequentially connected, the structure is simple,
By using the overhead crane during the operation of the rolling equipment, a new intermediate guide device and a new machine-equipped guide device can be prepared on the rearrangement trolley, and the replacement work time can be reduced. Also, before moving the intermediate guide device and the front and rear machine guide devices offline using an overhead crane, the new intermediate guide device and the new machine guide device can be attached to operate the section steel rolling mill, and replacement can be performed. The working time can be greatly reduced, and the productivity of the shaped steel by the rolling equipment can be improved.

In particular, in the guide device of the section steel rolling equipment according to the present invention, a fixed rail is provided in the section steel rolling mill, and the shift rail is provided in the mounting section of the machined guide device and the mounting section of the new machined guide device. Since each of them is provided with an advancing and retreating means for transferring the on-board guide device and the new on-board guide device between the fixed rail and the shift rail, the transfer can be performed in a short time without using an overhead crane. In addition, since the new machine guide device is completely separated from the new machine guide device mounting portion and transferred to the shaped steel rolling mill, the impact applied to the new machine guide device during rolling is not transmitted to the advance / retreat means, It is possible to prevent equipment failure and improve the reliability of the apparatus.
In addition, an up / down movable latch is attached to the tip of the telescopic rod, and an open / close lid that can move up and down along with the latch is provided on the fixed rail. Can be automated. In the guide device of the section steel rolling equipment according to the third aspect, since the engaging projections are provided at the front and rear portions of the mechanical guide device and the new mechanical guide device, the latch member is moved to the side. By doing so, the engagement state can be switched, and the movement of the rearrangement trolley and the engagement state of the engagement protrusion and the engagement member can be simultaneously switched, thereby shortening the assembly process and shortening the assembly time. be able to. In addition, since the hooking member is horizontally moved sideways to switch the hooking state, the structure of the hooking projection and the hooking member can be simplified, and the number of devices can be reduced to reduce equipment costs. it can.

According to a fourth aspect of the present invention, there is provided a guide device for a section steel rolling facility, wherein an upper fixing device is provided for pressing and holding an upper part of the front and rear machined guide apparatus or a front and rear new machined guide apparatus. At the lower part of the machine, a machine-mounted guide device and a lower fixing device that hooks the lower part of the new machine-equipped guide device are provided, so that the new machine-equipped guide device can be integrally fixed to the section steel rolling mill, and during rolling. Since the shock transmitted to the guide device with the new machine is not transmitted to the relocation cart, the relocation cart can be manufactured simply and lightly. In the guide device for a section steel rolling equipment according to claim 5, an upper and lower guide height adjusting mechanism is provided, and the upper and lower guide height adjusting mechanisms are used to move the ends of the upper and lower guide shafts to the upper and lower guide shafts. The upper and lower rotations, which are rotatable about the axis eccentric from the axis of the upper and lower guide connection shafts, are detachably connected to the corresponding distal ends of the upper and lower guide connection shafts, and the base end of the upper and lower guide connection shafts are rotatable about the axis The upper and lower rotating cylinders are fitted into the cylinders so that they can advance and retreat in the axial direction and are integrally rotatable. I have. With this configuration, the height can be adjusted by vertically moving the upper and lower hoods without obstructing the smooth opening and closing operation of the lower hood, which is slidably mounted on the upper and lower guide shafts. In addition, by using the lower guide shaft and the upper and lower guide connecting shafts whose axes are eccentric with each other, the lower guide height adjustment mechanism can be realized in addition to having a compact configuration, and the narrow space around the shape steel rolling mill can be realized. It can be easily installed in space.

According to a sixth aspect of the present invention, there is provided a method for mounting and dismounting a guide device for a section steel rolling facility, wherein the guide apparatus is mounted on a transfer base laid laterally across the section steel rolling mills installed before and after. A first step of moving the intermediate guide device, which is supported via the rearrangeable trolley, to one side together with the rearrangement trolley, and transferring the front and rear mechanical guide devices to the mechanical guide device mounting portion; Then, the second step of moving to one side together with the rearrangement bogie, and the front and rear of the front and rear new machine guides for rearrangement previously mounted on the new apparatus guide unit mounting portion to the front and rear section rolling mills, respectively. Transferred,
A third step of moving the rearrangement trolley to one side, and a new intermediate guide device for rearrangement previously mounted on the new intermediate guide device mounting portion with the front and rear new machines mounted on the rearrangement trolley Since the fourth step of fixing between the guide devices is provided, the rearrangement can be performed without performing a time-consuming overhead crane operation on the way, and the operation time can be reduced. The overhead crane operation can be performed during the operation of the section steel rolling facility where the operation rate of the overhead crane equipment is low, so that the operation can be reliably performed.

[Brief description of the drawings]

FIG. 1 is a plan view of a guide device of a section steel rolling facility according to a first embodiment of the present invention.

FIG. 2 is a front view of a guide device of the same section rolling equipment.

FIG. 3 is a side sectional view showing an installed state of an intermediate guide device of a guide device of the same section rolling equipment.

FIG. 4 is a side sectional view showing a transfer state of a guide device with a machine of a guide device of the same section steel rolling equipment.

5 (A) to 5 (C) are explanatory views showing a change in a hooked state of a guide device with a machine of a guide device of the same section rolling equipment.

FIG. 6 is a front view of a section steel rolling mill to which a guide device of the same section steel rolling equipment is applied.

FIG. 7 is a side view of a section steel rolling mill to which the guide device of the same section steel rolling equipment is applied.

FIG. 8 is a perspective view of an upper and lower guide height adjusting mechanism of the guide device of the section steel rolling equipment according to the first embodiment of the present invention.

9 (A) to 9 (C) are explanatory views showing a procedure of a method of attaching / detaching a guide device of the same section rolling equipment.

FIGS. 10A to 10C are explanatory views showing the procedure of a method of attaching and detaching a guide device of the same section rolling equipment.

FIG. 11 is a side sectional view showing an installation state of an intermediate guide device of a guide device of the same section steel rolling equipment according to a second embodiment of the present invention.

FIG. 12 is a side sectional view showing a transfer state of a guide device with a machine of a guide device of the same section steel rolling equipment.

FIG. 13 is an explanatory view showing a hooked state of a guide device with a machine of a guide device of the same section rolling equipment.

[Explanation of symbols]

10: Guide device, 11: Universal mill, 12: Edger mill, 13: Intermediate guide device, 14, 15: Machined guide device, 16: New intermediate guide device, 17, 1
8: Newly equipped guide device, 19: Moving base, 20: Relocation trolley, 21: Cable carrier, 22: Intermediate guide device mounting portion, 23: Machined guide device mounting portion, 24: New machine Guide device mounting portion, 25: New intermediate guide device mounting portion, 2
6: Foundation, 27: Moving cylinder, 28: Tip fitting, 2
9: Connection fitting, 30: Rolled material, 31: Clamp cylinder, 32: Clamp arm, 33: Rearrangement truck fixing device,
34: upper fund, 35: lower fund, 36: upper cylinder, 37: mounting frame, 38: fixed rail, 3
9: guide box, 40: upper guide shaft, 41: lower guide shaft, 42: upper fund, 43: lower fund, 44: hooking projection, 45: shift rail, 46: telescopic rod, 4
7, 48: detachable cylinder (advancing / retracting means), 49: guide member, 50: tip metal fitting, 51: locking groove, 52: locking metal fitting,
53: rotating pin, 54: opening / closing lid, 55: opening / closing cylinder, 56: rod, 57: guide roller, 58: upper fixing device, 59: lower fixing device, 60: rotating clamp member,
61: rod, 62: fixing cylinder, 63: rod,
64: upper guide height adjusting mechanism, 65: lower guide height adjusting mechanism, 68: upper guide connecting shaft, 69: lower guide connecting shaft,
70, 71: protrusion, 72, 73: hole, 74: upper rotating cylinder, 75: lower rotating cylinder, 76, 77: connecting shaft detachable cylinder, 78: swing arm, 79: guiding section, 80: upper guide height Adjustment cylinder (upper rotation drive source), 81: telescopic rod, 82: rolling mill housing, 83: intermediate swing arm,
84: connecting rod, 85: lower guide height adjusting cylinder (lower rotation drive source), 86: telescopic rod, 87: swing arm, 88: hooking projection, 89: hooking member, 91, 9
2: Guide unit with machine, 93, 94: Guide unit with new machine, 95: Guide unit with machine unit, 96: Guide unit with new machine unit

Continuing from the front page (72) Inventor: Rihiro Nakagawa 46-59, Nakahara, Tobata-ku, Kitakyushu-shi, Fukuoka New Engineering Works Division of Nippon Steel Corporation 59 Within Nippon Steel Plant Design Co., Ltd.

Claims (6)

[Claims] 1. A section steel having an intermediate guide device provided between a section steel rolling mill installed before and after, and a front and rear movable guide apparatus provided before and after the intermediate guide apparatus and movable back and forth. In the guide device of the rolling equipment, a transfer base laid across and laterally between the section steel rolling mills installed before and after, mounted on the transfer base and movable sideways. A rearrangement trolley, wherein the rearrangement trolley is capable of transferring the intermediate guide device mounting portion supporting the intermediate guide device, and moving the front and rear the machine-equipped guide devices forward and backward, respectively. A new machine guide device mounting part which can be mounted on the machine guide device mounting portion and the front and rear new machine guide devices for rearrangement, and which can be moved back and forth to the front and rear of the section steel rolling mill. And the new intermediate guide device mounting portion on which the new intermediate guide device A guide device for a section steel rolling facility, which is provided so as to be integrally connected in order. 2. A guide device for a section steel rolling equipment according to claim 1, wherein said section steel mill is provided with fixed rails, and is provided with said machine-mounted guide device mounting portion and said new machine-mounted guide device mounting. The mounting portion is provided with a shift rail connected to the fixed rail, and the front and rear machine-mounted guide devices and the front and rear new machine-mounted guide devices each include a locking projection at a lower portion thereof, and The rails are provided with advancing / retracting means for extending and retracting a telescopic rod toward the front and rear and transferring the front and rear machine-mounted guide devices or the front and rear new machine-mounted guide devices between the fixed rail and the shift rail. At the tip of the telescopic rod, a latch having a latch groove is attached via a pivot pin so as to be vertically movable, and the fixed rail is movable up and down together with the latch by an opening / closing cylinder. A movable opening / closing lid portion, and the operation of the opening / closing lid portion switches a state of engagement between the latching member of the telescopic rod and the latching protrusion, and a guide device for a section steel rolling facility. . 3. The guide device for a section steel rolling facility according to claim 1, wherein fixed sections are provided on the front and rear sections of the section rolling mill, and the mounting section of the guide section with the machine and the guide apparatus of the new section with the machine are mounted. The mounting portion is provided with a shift rail connected to the fixed rail, respectively, a rear portion of the front machined guide device and a front side of the new machined guide device, and a rear portion of the machined guide device and the rear. The front of the new machined guide device on the side is provided with a hooking projection, respectively, and the shift rail is provided with a telescopic rod extending and contracting toward the front and rear, respectively. Or, there is provided an advancing / retracting means for transferring the front and rear the new machine-equipped guide device between the fixed rail and the shift rail, and the tip of the telescopic rod is moved laterally to the engaging projection. Negotiating, Alternatively, a hooking member capable of releasing hooking is attached, and the hooking state of the hooking projection and the hooking member is switched by the movement of the rearrangement bogie. 4. The guide device for a section steel rolling facility according to claim 1, wherein the guide apparatus for rotating the section steel rolls is provided above the front and rear sections of the section steel rolling mill. Or, a rotating clamp member for pressing and holding the upper part of the front and rear of the new machine-equipped guide device, and an upper fixing device provided with expansion / contraction means having a tip attached to the rotating clamp member,
A lower fixing device is provided at a lower portion of the front and rear section rolling mills so as to advance and retreat to the side and lock a lower portion of the front and rear of the machined guide device or the front and rear of the new machined guide device. A guide device for section steel rolling equipment. 5. The guide device of a section steel rolling facility according to claim 1, wherein the front and rear section rolling mills are detachably connected to the front and rear guide apparatuses. In addition, a lower guide height adjustment mechanism is provided.
The lower guide height adjustment mechanism is for slidably mounting the lower fund on the front and rear machine-equipped guide devices, and moving the end of the lower guide shaft around the axis eccentric from the axis of the upper and lower guide shafts. The rotatable upper and lower guide connecting shafts are detachably connected to the corresponding distal end portions, and the base ends of the upper and lower guide connecting shafts are rotatable around the axis and advance / retreat axially into the upper and lower rotary cylinders. The upper and lower rotary cylinders are freely and integrally rotatably fitted, and the upper and lower rotary cylinders are mounted on the front and rear rolling mills, respectively, and are connected to a lower rotary drive source in an interlocking manner. Guide device for steel rolling equipment. 6. An intermediate guide device provided between a section steel rolling mill installed in front and rear, and a front and rear movable guide device provided in front and rear of the intermediate guide device and having different sizes. In the method of attaching and detaching a guide device of a section steel rolling facility to be replaced with a new intermediate guide apparatus and a front and rear new machine-equipped guide apparatus, a movement laid laterally across the section steel mills installed before and after. A first step of moving the intermediate guide device, which is supported via a relocating trolley, which can be moved laterally on a base, together with the relocation trolley to a predetermined distance, The front and rear of the mechanical guide devices are respectively moved to the front and rear on the mechanical guide device mounting portion formed adjacent to the guide device mounting portion, and are moved forward and transferred together with the rearrangement cart by a predetermined distance. Moving the second step, The front and rear of the front and rear new machine guide devices for rearrangement before and after re-installation on the new machine guide device mounting portion formed adjacent to the machine guide device mounting portion are respectively moved forward and backward. A third step of transferring to the section steel rolling mill and moving the rearrangement trolley to one side by a predetermined distance, and a new intermediate part formed adjacent to the new machine-equipped guide device mounting portion of the rearrangement trolley. A fourth step of fixing a new intermediate guide device for rearrangement previously mounted on the guide device mounting portion between the front and rear new device-equipped guide devices while being mounted on the rearrangement carriage. A method for attaching and detaching a guide device of a section steel rolling facility.