JP2009101371A - Lift trough apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the time for retreating work of a trough apparatus and its work load. <P>SOLUTION: A lift trough 3 derrickable by a cylinder 17 is mounted on a mounting base 2, a supporting part 7, a first and a second stopper parts 10, 11 are provided on the opposing side of an inlet-side guiding device G on the mounting base 2. On the lift trough 3, a bearing part 13 which is positioned on the side of the base part and a first and a second fixing parts 14, 15 are arranged on both sides of this bearing part and the lift trough 3 is pivotally supported by taking the supporting shaft 12 as the center of the rotation on the supporting part 7, the first fixing part 14 is separably connected to the first stopper part 10 on the side of the top part of the lift trough 3 and the second fixing part 15 can be connected to the second stopper part 11 on the side of the rear end part of the lift trough 3. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a lift trough device incorporated in equipment for hot rolling strips such as wire rods and bar steel.

Regarding the hot rolling system for strip steel, according to the matters described in Japanese Patent Application Laid-Open No. 2002-66615, the pass schedules of materials to be rolled such as wire rods and bar steels are generally roughly divided into a rough row, an intermediate row and a finish row. The material heated to the temperature is rolled to a required cross-sectional dimension through a rough row and an intermediate row, and then rolled to a desired final cross-sectional size (cross-sectional shape) by a finishing row. In the intermediate example, a plurality of rolling mills are arranged in series at predetermined intervals along the pass line of the material to be rolled, and the material is suitable for the finishing row by passing the material to be rolled through these rolling mills. The film is stretched and rolled to the required dimensions (see the second column, first column, paragraph 0002). Further, when the rolling speed becomes high, the temperature rise due to rolling deformation of the material becomes large. Therefore, the material to be rolled is cooled by a water-cooled trough or the like on the exit side of the rolling mill to suppress the temperature rise. (See page 2, second column, paragraph 0007).
Further, depending on the type of hot rolling system for strip steel, as described in, for example, Japanese Patent Laid-Open No. 10-194594, a trough is installed on the exit side of the finish rolling mill, and one side of the trough (shown on page 4 of the publication). There is an example in which pinch rolls are arranged on the right side of FIG.
Furthermore, although a publicly known document is not disclosed, an example in which a water-cooled trough is installed for the purpose of adjusting the temperature of the bar steel before and after the rolling mill has been proposed.
JP 2002-66615 A Japanese Patent Laid-Open No. 10-194594

In an example in which an induction device (roller guide) is installed on the exit side or the entrance side of the rolling mill in the hot rolling system for strip steel, the trough device is removed by crane work when the hole shape is changed or the roll is changed. Evacuated using a mechanical evacuation device.
However, a work space for the evacuation work is required, especially in the equipment for rolling large sizes, the trough device and the guidance device are also large, so a large work space for evacuation is required and the evacuation is performed. There was a problem that labor and time required for work were required.
An object of the present invention is to reduce the trough device evacuation work time and its work load.

The first feature of the present invention is that it comprises a mounting base, a lift trough mounted on the mounting base so as to be raised and lowered, and drive means for driving the lift trough to rise and fall. The mounting base is provided with a support portion located on the opposite side of the rolling equipment and first and second stopper portions, a bearing portion where the lift trough is located on the base side, and the bearing A first fixing portion and a second fixing portion arranged on both sides of the support portion, and the lift trough supports the support shaft pivotally supported by the support portion via the bearing portion as a center of rotation. The first fixing portion is disposed on the tip end side of the lift trough and is detachably connected to a first stopper portion provided on the mounting base. The fixed portion is disposed on the rear end portion side of the lift trough and can be connected to a second stopper portion provided on the mounting base, and the driving means uses the lift trough as a center of rotation about the support shaft. Rotate and start on mounting base It is capable of regulation.
According to a second feature of the present invention, there is provided the first feature, wherein the main body of the driving means is constituted by a cylinder, the base of which is attached to a mounting base and connected to a rod. The movable part is connected directly or indirectly to the lift trough so as to be interlocked.
A third feature of the present invention is that the first feature or the second feature is provided, and the rising angle of the lift trough is at least 90 degrees from the original position.
According to a fourth aspect of the present invention, there is provided any one of the first to third features, wherein the mounting base includes a base and a rest bar, and a support portion and a second stopper portion are provided on the base. There is a first stopper portion on the rest bar.

  According to the present invention, since the lift trough that can be raised and lowered is provided, it is easy to secure the work space, so that the time for retreating the trough device and the work load thereof can be reduced.

1 and 2, a lift trough device 1 according to the present invention includes a mounting base 2, a lift trough 3 mounted on the mounting base in a undulating manner, and driving means 4 for driving the lift trough to undulate. And.
In the example shown in FIG. 1, the lift trough device 1 is provided with an inlet side guide device G for a rolling roll (not shown) adjacent to the right side.

The mounting base 2 in the lift trough apparatus 1 will be described.
The mounting base 2 includes a pedestal 5 and a rest bar 6 in the illustrated example. A support portion 7 is provided on the gantry 5 on the opposite side of the entrance-side guidance device G and at one end portion (left end portion in FIG. 1). The rest bar 6 is provided with a first stopper 10 on the saddle 9 fixed by a clamp 8 and at the other end (right end in FIG. 1) in the vicinity of the inlet-side guidance device G. A second stopper portion 11 is provided below the support portion 7 at one end of the second stopper portion 11.
The support portion 7 is disposed so as to oppose the vertical direction of FIG. 2, and a support shaft 12 is passed between the support portions. The support shaft 12 is rotatably supported by the support portion 7.

The lift trough 3 of the lift trough apparatus 1 is demonstrated.
The lift trough 3 is of a groove type having an open upper end side and a guide path 3a inside. 1 is passed through the guide path 3a of the lift trough 3 and is guided to the rolling roll by the inlet side guiding device G.
The lift trough 3 is provided with a bearing portion 13 on the lower surface of the base side (left side in FIG. 1) and first and second fixing portions 14 and 15 sandwiching the bearing portion. The first fixing portion 14 is disposed on the front end side of the lift trough 3, and the second fixing portion 15 is disposed on the rear end side.

Here, the connection relationship between the mounting base 2 and the lift trough 3 will be described.
The lift trough 3 is horizontally attached above the mount 2 as shown in FIG. That is, the bearing 13 on the lower surface of the base side of the lift trough 3 is fixed to the support shaft 12. The first fixing portion 14 on the tip side of the lift trough 3 is detachably connected to the first stopper portion 10 via a stopper pin 16.
Thus, the lift trough 3 is held horizontally above the mount 2 by the support portion 7, the support shaft 12, and the first stopper portion 10.

The drive means 4 will be described.
As shown in the figure, the drive unit 4 has a main body composed of a cylinder 17.
The cylinder 17 has a rear end attached to the holding portion 18 of the gantry 5 so as to be rotatable about the pin 19 as a rotation center. In the example shown in the drawing, a movable arm 20 having a letter “H” shape is connected to the tip of the rod 17 a of the cylinder 17. One end portion of the movable arm 20 which is a movable portion is connected to the rod 17a via a connection pin 21 so as to be swingable. The other end of the movable arm 20 is attached to the end of the support shaft 12 so as to be rotatable about the support shaft.

The relationship between the lift trough 3 and the drive means 4 will be described.
The support shaft 12 rotates counterclockwise via the movable arm 20 by extending the rod 17a of the cylinder 17 in a state where the first fixed portion at the tip of the lift trough 3 is separated from the mount 5. In addition, along with this rotation, the lift trough 3 connected to the support shaft through the bearing portion 13 also rotates counterclockwise, gradually moves away from the inlet side guiding device G, and eventually, as shown in FIG. 5 will be raised.
When the lift trough 3 is in the standing state, the second fixing portion 15 faces the second stopper portion 11, so that the second fixing portion and the second stopper portion are used using a connection pin (not shown). By connecting the two, the upright state of the lift trough 3 is stably maintained.

The usage method of the lift trough apparatus 1 which concerns on this invention is demonstrated.
In order to change the hole shape or replace the rolling roll, it is necessary to make the lift trough 3 upright and to open the right side of the lift trough in FIG.
Therefore, first, as shown in FIG. 1, the coupling state between the first stopper portion 10 and the first fixing portion 14 is removed by removing the stopper pin 16.
Next, the rod 17 a of the cylinder 17 is extended in a state where the first fixing portion 14 at the tip end portion of the lift trough 3 is separated from the gantry 5. Then, since the support shaft 12 rotates counterclockwise (in the direction of the arrow in FIG. 1) via the movable arm 20, the lift trough 3 also rotates counterclockwise along with this rotation, and the inlet side guiding device G gradually. If the rotation is stopped when the angle reaches 90 degrees (the position where the lift trough is shown by the chain line in FIG. 1), the vehicle stands upright on the gantry 5 as shown by the chain line in FIG.
After that, since the second fixing portion 15 of the lift trough 3 in the standing state faces the second stopper portion 11, the second fixing portion and the second stopper portion are coupled using a connection pin. Thus, the standing state of the lift trough 3 is fixed.
As a result, a hole change or exchange work space is secured between the lift trough 3 and the inlet side guidance device G, so the rest bar is moved to the left side of FIG. 1 while the inlet side guidance device G is mounted on the rest bar 6. Start work such as replacement.
After the work such as replacement is completed, the rest bar 6 is returned to the original position, the connection pin is removed and the coupling between the second fixing portion 15 and the second stopper portion 11 is released, and then the rod of the cylinder 17 When the lift trough 3 is rotated 90 degrees clockwise around the support shaft 12 by contracting 17a, the lift trough reaches the position shown by the solid line in FIG. The first stopper portion 10 is coupled.

The mounting base 2 is divided in the example shown in the figure, and is composed of the gantry 5 and the rest bar 6, but it is not always necessary to divide the mounting base 2.
The shape of the lift trough 3 is not limited to the groove type, but may be a sleeve shape or the like. The rotation angle for raising and lowering the lift trough 3 is not limited to the above example, and may be less than 90 degrees or more than 90 degrees as long as the work space can be secured, but from the viewpoint of reducing work time and work load. It is good that it is at least 90 degrees (including about 90 degrees) from the position (position shown by a solid line in FIG. 1).
The drive means 4 does not necessarily need to be a cylinder.

It is a front view which shows the lift trough apparatus which concerns on this invention. It is a top view which shows the lift trough apparatus which concerns on this invention, Comprising: It is a figure which abbreviate | omitted the rest bar.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lift trough apparatus 2 Mounting stand 3 Lift trough 4 Drive means 5 Base 6 Rest bar 7 Support part 10 1st stopper part 11 2nd stopper part 12 Support shaft 13 Bearing part 14 1st fixing | fixed part 15 2nd fixing | fixed part 16 Stopper pin 17 Cylinder (Main body of drive means)
20 Movable arm (movable part)
G Inlet side guidance device (rolling equipment)

Claims (4)

A mounting base, a lift trough mounted on the mounting base in a undulating manner, and drive means for driving the lift trough to undulate,
The mounting base is provided with a support portion located on the opposite side of the rolling equipment and the first and second stopper portions, respectively.
The lift trough is provided with a bearing part located on the base side and first and second fixing parts arranged with the bearing part sandwiched therebetween,
The lift trough is supported with the support shaft supported by the support portion via the bearing portion as a center of rotation.
The first fixed portion is disposed on the tip side of the lift trough and is detachably connected to a first stopper portion provided on the mounting base.
The second fixing portion is disposed on the rear end side of the lift trough and can be connected to a second stopper portion provided on the mounting base.
The drive means restricts the lift trough so that it can rotate about a support shaft and can stand on a mounting base.   The main body of the drive means is constituted by a cylinder, the base of which is attached to a mounting base, and the movable part connected to the rod is connected to the lift trough so as to be interlocked. The lift trough device according to claim 1.   The lift trough device according to claim 1 or 2, wherein the rising angle of the lift trough is at least 90 degrees from the original position.   The mounting base comprises a base and a rest bar, a support part and a second stopper part are provided on the base, and a first stopper part is provided on the rest bar. The lift trough apparatus in any one of.

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