JPS5935283Y2 - Hot bloom transport trolley - Google Patents

Description

[Detailed description of the invention] This invention relates to a new trolley equipment that can stably mount and support a long hot plume extracted from a heating furnace without sagging and supply it to the delivery line to a rolling mill. It is something.

It is known that in order to improve the continuous casting ratio in steelmaking facilities, the rolling material in the blooming plants is being shifted from ingots to CC plumes, but the standard type in existing blooming plants is In order to easily roll long hot plumes without making major changes to the layout, a new means of transportation is needed to transport the plume extracted from the heating furnace to a rolling line such as a blooming mill line. development is necessary.

In other words, since the hot plume is in a high temperature and softened state, it is of course impossible to use an ingot cart, and it is impossible to transport the plume by gripping the center of the plume using the existing soaking crane.
Due to its own weight, large bends occur, making it extremely difficult to transport the plume smoothly onto the line.It is not possible to handle long, heavy plumes; It is disadvantageous.

The present invention solves these problems and uses the existing ingot truck rails to stabilize a long hot plume that extends beyond the inside of the truck on a movable truck without the risk of sagging or bending. This enables the plume to be carried horizontally and smoothly supplied to the rolling line, making it possible to roll long hot plumes and ingots together without making major changes to the existing line layout. Its features include a pedestal with wheels on the front and rear;
a roller table disposed substantially parallel to the axle between the front and rear wheels of the rc mounted on the pedestal; a pair of overhanging beams extending longer than the width of the pedestal and disposed in front and behind the roller table; a support frame erected at a plurality of locations on the overhanging beam; and a plurality of rails each supported by the support frame and provided between the rollers of the roller table and outside the rollers so as to be able to rise and fall freely, each having a link mechanism for vertical movement. a common operating rod that is installed across the plurality of support frames and to which each link mechanism of the hooks is fixed, and a crank mechanism that rotates the operating rod and raises and lowers the hook group in synchronization. , an end stopper that is swingably provided at the end of the roller table on the side of the recuperation furnace, and is equipped with an end stopper that prevents the plume being transported on the roller table from being transported beyond a predetermined position; The present invention has a movable stopper mechanism and a piston cylinder mechanism that oscillates the oscillating stopper mechanism.

゛The present invention will be described in detail below based on the illustrated embodiment.
The figure shows a standard layout of a heating furnace and a blooming mill line using the trolley of the present invention, Figure 2 is a plan view of an embodiment of the trolley, Figure 2 is a front view of the same, and Figure 3 is a side view of the same. In Fig. 1, 1 is a heating furnace for long CC plumes, 1a is a plume extraction line provided at the outlet of the heating furnace, and is composed of a conveying roller table, etc., and 2 is, for example, a bibloc mill line. 2a is a plume supply line to rolling mill line 2, which is also composed of a conveying roller table, etc., 2b is a conventional ingot weighing machine on the same line 2avc, and 3 is a plume supply line to rolling mill line 2, which is equipped with necessary rolling equipment. A soaking furnace for ingots, 4 is an ingot truck running on a running rail 5, and 6 is a hot lump truck, all of which are arranged in a standard layout in a conventional blooming plant. has been done.

On such a layout line, the present invention receives the long hot plume coming out of the plume heating furnace 1 from the extraction line 1a with the invented trolley shown in the figure I, and utilizes the rail 5. The trolley 7 is transported through the carry-in line 2al of the rolling mill line 2, and is supplied to the rolling mill line 2 via the same line 2a.The trolley I supports the long hot plume 8 without sagging. A holding facility 7a for holding the cart is installed, and the details of this cart I will be explained below with reference to FIGS. 2 to 4.

That is, a plurality of rollers 12a are mounted approximately parallel to each wheel 9a of the wheels 9 on a pedestal 11 which is provided with running wheels 9 at the front and rear and is mounted on the running rail 5 so as to be able to run freely, and which is equipped with a running motor 10. Roller tables 12 arranged in rows are provided, and each of these rollers 12a is rotatably mounted on an axis, and mounted on a pedestal 11.
The drive motor 13, deceleration mechanism 14, and interlocking rotation mechanism is'/c of each roller shaft provided in be.

A pair of overhanging beams 16.16 are arranged parallel to each other in the front and back on the pedestal 11 with this roller table 12 in between, and these beams 16.16 are longer than the width of the pedestal 11 as shown in the figure, and extend to the outside of the pedestal 11. The support frame 11 is installed at multiple locations on both beams 16 and 16.
A beam 16° 16 multiple support frames 1
7 is erected on the pedestal 11, and using these support frames 17, the beams 16, 16 are installed between the rollers 12a, 12a on the roller table 12, and the beams 16, 16.
In the present invention, a plurality of hooks 18 for supporting and lifting the hot plume 8 are installed on the outside of the roller 12a at one end protruding from the pedestal 11 so as to be movable up and down.

That is, as shown in the third figure, the hook 18 is attached to a holder frame 18a that supports the plume 8 from its lower surface, and a support par 18b that extends upward from the center of the upper part of the frame 18a. An operating rod 20 is pivotally connected to the other end of a link 19 whose one end is pivoted to the support frame 17 at the midpoint, and is rotatably mounted on the upper end of the support par 18b.
One end of each of the links 21 protruding from the frame 21 is pivotally connected, and the operating link 22 of the operating rod 20 is connected to the crank par 23a of the crank mechanism 23 provided on the pedestal 11.
b is driven by the lifting motor 24 via the deceleration mechanism 25, and by the rotation of the crankshaft 23b, the crank par 23a of the crank mechanism 23 is raised and lowered, and the operating rod 20 is reciprocated via the operating link 22. move each link 21.
19, the hook 18 is raised and lowered vertically, and its raised position is at 5 as shown in the second figure, lifting the plume 8 above the table roller 12, and its lowered position is at 5 above the table roller 12.
Rather, the holder frame 18a is lowered to receive the plume 8 on the roller 12.

Further, one end of this frame 11 opposite to the heating furnace 1 shown in FIG. 1 [Fi, the support frame 17 beam 16
A swing stopper mechanism 26 is provided using the frame according to the angle 16.

The swing stopper mechanism 26 includes a pair of swing arms 26b, each of which has one end rotatably pivoted on the frame side via support shafts 26a, 26a.

26b, and an end stopper 27 supported at each tip of both arms 26b, 26b.
Piston cylinder mechanism 2 for rocking is attached to one support shaft 26a of
Eight pistons 28a are connected via a link 29, and swing arms 26b, 26 are connected with the support shafts 26a, 26a as fulcrums.
b can be freely raised and lowered, and an end stopper 27 prevents the plume 8 on the table roller 12 from moving beyond a predetermined position in the approximately horizontal down position.

In FIG. 4, reference numeral 30 indicates a mechanism of the ingot weighing machine 2b on the rolling mill side shown in the first figure, and reference numeral 31 indicates a transfer roller such as a table roller constituting the supply line 2a.

According to the plume truck I of the present invention, the long hot plume 8 can be stably and smoothly transported to the heating furnace 1 without any troubles such as bending.
It is then transported to the plume supply line 2a of the rolling mill line 2.

That is, as shown in FIG.
Self-propelled movement via wheels 9, extraction line 1 of heating furnace 1
a and the roller table 12 on the pedestal 11 are stopped so as to face each other directly, and each hook 18 located within the frame by the overhanging beams 16, 16 support frame 17 is driven by the crank mechanism 23, and the crank par 23a1 link 22 , 21 to lower the holder frame 1 of the hook 18.
The bottom frame portion of the roller table 12 is positioned lower than or at the same level as the upper surface of the roller 12a of the roller table 12.

At this time, the holder frame 18a of the hook 18 located on the outside of one end of the overhanging beams 16, 16 projecting outward from the frame 11 is made to descend between the rollers of the roller table in the extraction line 1aK.

In this way, the hot plume 8 that comes out of the heating furnace 1 and is extracted by riding on the rollers of the extraction line is transferred onto each roller 12a of the roller table 12 of the mount 11, and the swing stopper mechanism 26 is moved as shown in FIG. In the prone position shown by the solid line, the end stopper 2T blocks one end of the moving plume 8 to stop it from moving beyond a predetermined level, and the elongated hot plume 8
are placed on the roller table 12 in a well-balanced manner.

Once the plume 8 has been transferred onto the roller table 12,
By raising each hook 18 by the crank mechanism 23 as shown in the third figure, the plume 8 is lifted onto the roller table 12 and the rollers of the extraction line 1a and evacuated. The trolley 7 is moved to the rolling mill line 2 in a horizontally supported position.
The hooks 18 are moved toward the carry-in line 2a of
is lowered via the crank mechanism 23, and the plume 8 on the holder frame 18a of each hook 18 is transferred onto the roller 12a of the roller table 12.
By the driving rotation of each roller 12a, the plume 8 on the roller 12a is automatically supplied to the rolling mill line 2 through each group of rollers 30 on the carry-in line 2a, and the long hot plume 8 is rolled in the required amount. It will be subjected to a block rolling process.

Through the repeated running of the cart 7, the raising and lowering of each hook 18, and the driving of the roller table 12, a long hot plume 8 extracted from the inside of the heating furnace 1 is automatically and continuously transferred to the rolling mill line 2. It is supplied.

At this time, the hot plume 8 in a high temperature softened state is connected to each hook 1.
Because of the multiple supports by 8Vc and the motion of supporting the lower surface of the plume 8 and lifting it, there is no bending due to crane suspension, etc., and the plume is stably and smoothly moved toward the rolling mill without changing its shape or posture. The long hot plume 8 can be transported efficiently and safely.
Each of the hooks 18 is provided with a cover that covers the plume 8 to the extent that it does not interfere with the lifting and lowering between the rollers 12a of the roller table 12, and the overhanging beams 16, 16 support frame 17
By providing a cover on the frame, heat dissipation during transportation can be effectively prevented to some extent, and the swing stopper mechanism 26 can safely prevent the plume 8 from escaping. The plume can be automatically transported safely and undamaged, and can be reliably transported in and out.

Furthermore, according to the present invention, as is clear from the layout diagram in Figure 1, the existing equipment line for ingots can be
It is extremely advantageous that the purpose can be easily achieved by using new bogie I equipment without requiring any extensive modification, and by using both long hot plume and conventional ingot rolled materials. This makes it possible to process rolling operations such as blooming and rolling in an economical and efficient manner, and it also has great utility as it makes it possible to transport long hot plumes using trolleys. It is.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram of an example of a mill line layout using the bogie of the present invention, Fig. 2 is a plan view of an embodiment of the same bogie, Fig. 3 is a partially cutaway front view of the same, and Fig. 4 is a side view of the same. . T...Truck, 8...Hot bloom, 1
1... Frame, 12... Roller table, 12a... Roller, 16-... Extension beam, 17... Support frame, 1B...・・・
...Hook, 20...Operating rod, 23...
... Crank mechanism, 26 ... Swing stopper mechanism, 27 ... End stopper.

Claims (1)

[Scope of utility model registration request] It runs on a conveyance line that is almost perpendicular to the extraction line of the heating furnace and the conveyance line of the next process (rolling mill) and connects both lines.
A trolley for supplying a hot plume extracted from a heating furnace to a delivery line to a rolling mill, comprising a pedestal having front and rear wheels, and a pedestal arranged substantially parallel to the axle between the front and rear wheels on the pedestal. A roller table, a pair of overhanging beams arranged in front and behind the roller table and extending longer than the width of the pedestal, a support frame erected at a plurality of positions of the overhang beam, and each supported by the support frame. and a plurality of hooks which are provided between the rollers of the roller chiffle and on the outside of the rollers so as to be able to rise and fall, each having a link mechanism for vertical movement, and a plurality of hooks which are provided across the plurality of support frames and each link mechanism of the hooks is fixed to each other. a common operating rod, a crank mechanism that rotates the operating rod and raises and lowers the hook group in synchronization; A hot plume having a swing stopper mechanism equipped with an end stopper that prevents the plume from being transported beyond a predetermined position, and a piston cylinder mechanism that swings the swing stopper mechanism. transportation trolley.