KR200174028Y1 - Automatic controlling apparatus of center in tap hole opener swivel line - Google Patents

Abstract

The present invention relates to an automatic adjusting device for tap hole opener swivel line center for discharging the melt in the furnace. The purpose of the present invention is to provide a swivel line for supplying fluid to the drill, reverse hammer and right hammer of the open machine. It is to provide an open air swivel line center automatic adjustment device to prevent wear damage of swivel joint, to prevent equipment accidents, to prolong equipment life, and to prevent air leakage.

The present invention is a swivel line center automatic adjustment device installed in the swivel line of the opener for discharging the molten iron through the opening 19 of the furnace wall, the flange is formed at both ends and the groove portion for accommodating the packing in the inner diameter A tubular joint body 36 provided; A coil spring 37 installed at the center of the inner diameter of the main body to absorb vibrations; A packing 40 mounted at both ends thereof to support the coil spring; It is characterized in that the head is arranged to be movable left and right inside the joint body 36 and the other end has a pair of nipples 38 coupled to the pipe of the swivel line to compensate for the eccentricity of the swivel joint.

Description

AUTOMATIC CONTROLLING APPARATUS OF CENTER IN TAP HOLE OPENER SWIVEL LINE}

The present invention relates to a tap hole opener for discharging the melt in the furnace, and more particularly, a swivel line and a swivel joint for supplying a fluid to a drill, a reverse hammer, and an exact hammer of the open machine. ) Prevents abrasion breakage, prevents equipment accidents, extends equipment life, prevents air leaks, enables smooth operation of drills, reverse hammers and static hammers, and prevents leakage of cooling water. The present invention relates to an open swivel line center automatic adjustment device which is configured to prevent the safety accidents exploded by the discharged melt and to be easily disassembled during repair and replacement work.

In general, as shown in FIG. 1, a plurality of openings 19 radially formed at the bottom of the furnace wall to discharge the melt in the furnace are normally kept closed by mud or the like, and when opening the openings. Opening operation is performed by opening 19 by the opening machine 1.

By the way, the opener 1 consists of a round bar type tapping rod 3 in which a tapping bit 2 is mounted at the tip end and a fluid supply port 4 is formed continuously in the longitudinal direction at the center part. Is installed above and supporting the tapping rod 3 of the At the rear of the guide channel 15 for guiding to be mounted, a mounting bed equipped with a reverse hammer 6 and a drill 7 and a hit hammer 8 which impart a hitting force to be moved forward and backward to the tapping rod 3 9), the feeder motor 11 and the reverse hammer (6) for giving the driving force to the drill, etc., and the tapping sleeve (5) for connecting the static hammer (8) and the tapping rod (3), the mounting bed (9) The outlet side swivel line 13a is assembled to the lower square pedestal 10a with a blind flange 31, and the fluid supply inlet side swivel line 13b is mounted on the square pedestal 10b of the upper lift arm 14. ) Is made by assembling.

Meanwhile, a support frame 20 is rotatably coupled to the upper surface of the guide channel 15 to support the guide channel 15 through a wire and a feeder motor 11, and the furnace wall during the actual opening work. A hook 16 fitted to the hook receiving member 17 formed integrally with 18 is formed at the tip of the guide channel 15.

That is, the hook 16 of the guide channel 15 is inserted into the hook receiving member 17 of the furnace wall 18 during the opening work so that the position of the tip of the opener 1 is fixed to be suitable for opening and the tapping rod is in this state. As (3) moves forward and backward, the opening tool 19 is drilled and the molten iron is discharged to the outside through the opening tool 19.

And when the tapping rod (3) is advanced for the starting line, the nitrogen gas and water supplied through the swivel line (13b) flows to the fluid supply port (4) formed therein, so that the high pressure by the fluid pressure In the furnace pressure does not leak to the outside can be made more smooth opening work.

By the way, the swivel line installed in the conventional air hole of such a structure is shown in Figure 2 As shown in the drawing, the blowing line 21, the reverse drill line 22, and the counter-hit hammer line 23 are integrally formed on the left side of the mounting bed 9, and the right hammer line 24 is provided on the right side of the mounting bed 9, Two lines of the drill line 25 are integrally formed so that five swivel lines 13 are formed on the square pedestal 10b of the upper lift arm 14 and the square pedestal 10a of the lower mounting bed 9. In one piece, three swivel joints 26 and four flanges 27 are provided in one line, and are assembled by bolts and nuts.

In this way, three swivel joints (26) joints are tied to one line so that each line is rotated by the swivel joint (26) when the mounting bed (9) advances back and forth to the opening (19) side during starting work. In the normal state (13), the housing and the shaft of the swivel joint 26 is maintained at an appropriate interval, the fluid is sealed by the O-ring works well, but the opener (1) has a high temperature and strong vibration during starting work Since the pipe of the swivel line 13 is deformed during long time repetitive work, but there is no self-aligning ability of the swivel line itself, the inside of the housing and the shaft of both swivel joints 26 interfere with the pipe twist or pinch. The welder is damaged or the housing, shaft, or O-ring, etc., causes malfunction of the opening machine (1). Many problems exist, such as shortening of equipment life and risk of safety accidents.

Accordingly, the present invention has been made to solve the problems of the prior art as described above, and prevents the wear breakage of the swivel line and the swivel joint to prevent equipment accidents. Prevents air leakage by prolonging the life of the machine and smoothly operating the drill, reverse hammer, and forward hammer, and preventing the leakage of cooling water. It is to provide the automatic swivel line center automatic control device that prevents and facilitates disassembly and assembly during repair and replacement work.

1 is a view schematically showing an opening machine generally used in blast furnaces,

2 is a view schematically showing a conventional open air swivel line,

3 is a view showing a configuration in which the center automatic adjustment device is installed in the swivel line according to the present invention,

Figure 4 is a partial cross-sectional view showing the self-aligning joint installed in the swivel line of the present invention,

5 is an exploded view illustrating the self-aligning joint installed in the swivel line of the present invention.

Explanation of symbols on the main parts of the drawings

1: Open air 3: Tapping rod 6: Reverse hammer

7: Drill 8: Film Hammer 9: Mounting Bed

10: base 13: swivel line 14: lift arm

15: guide channel 19: open tool 21: blowing line

22: reverse drill line 23: reverse hammer line 24: double hammer line

25: Drill line 26: Swivel joint 34: Welding part

36: joint body 37: coil spring 38: nipple

39, 40: Packing 41: Cover 42: Bolt

In order to achieve the above object, in the present invention, a tapping rod equipped with a tapping bit at an end to discharge the molten iron by opening the opening tool of the furnace wall, and a reverse hammer for operating the drilling tool while hitting the tapping rod forward and backward and rotating left and right, A perforator equipped with a swivel line for supplying fluid to a hammer and a drill, each of which is a center automatic adjustment device installed on a swivel line of a perforator, having flanges at both ends and grooves for accommodating the packing at its inner diameter. A tubular joint body provided with an additional portion; A coil spring installed at the center of the inner diameter of the main body to absorb vibration; A packing mounted at both ends thereof to hold the coil spring; The head automatic adjustment device of the open air swivel line, characterized in that the head is arranged to move left and right inside the joint body and the other end is provided with a pair of nipples coupled to the pipe of the swivel line to compensate for the eccentricity of the swivel joint To provide.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings showing preferred embodiments.

Figure 3 automatically adjusts the center of the pipe and swivel joint of the open air swivel line to prevent wear and damage of the swivel joint and has a structure that is easy to disassemble and assemble The configuration of the swivel line of the open hole is schematically shown. As shown in FIG. 3, in the present invention, each of the blowing line 21, the reverse drill line 22, the reverse hammer line 23, and the constant hammer line ( 24), the self-aligning joints 35 are respectively installed in the swivel line 13 between the flange 132 of the drill line 25 and the swivel joint 26.

In the present invention, the self-aligning joint 35 installed on the swivel line 13 is in contact with the inner circumferential surface of the tubular body 36 in which the flange portions 36a and 36b are formed at both ends, as shown in FIGS. 4 and 5. Coil spring 37 for absorbing the vibration generated during the opening work is installed in the center.

Nipples having both ends of the coil spring 37 are held by the packings 40a and 40b for securing airtightness, and the heads are formed in a circular shape so as to be in close contact with the packings 40a and 40b. 38a and 38b are coupled to the inner circumferential surface of the joint body 36.

The nipples 38a and 38b move from side to side in the eccentricity of the swivel line 13 at both front and rear sides of the joint body 36 to compensate for the perpendicularity of the swivel joint 26 and the eccentricity of the joint portion, so as to operate smoothly. Although installed, the other ends of the nipples 38a and 38b are welded to the pipe of the swivel line 13.

In addition, in the self-aligning joint 35 of the present invention, packings 39a and 39b are installed to be in close contact with the back of the head of the nipples 38a and 38b, and the inner surfaces of both ends of the joint body for accommodating the packings 39a and 39b. Grooves are formed.

In the present invention, both ends of the joint body 36 made in this way The caps 41a and 41b, which are in close contact with the parts 36a and 36b and have a flow path formed in the center of the circle, are coupled to the bolts 42.

Hereinafter, the operation of the center adjusting device of the open air swivel line of the present invention made as described above.

In the opener swivel line center automatic adjustment device of the present invention, as shown in FIG. 3, each blowing line 21 is provided by the swivel joint 26 when the mounting bed 9 advances back and forth to the opening tool 19 side at the time of starting work. The reverse drill line 22, the reverse hammer line 23, the static hammer line 24, and the drill line 25 operate while rotating, and the eccentricity of the swivel line 13 is generated due to high heat and long repeated operation. In this case, the nipples 38a and 38b of the self-aligning joint 35 are automatically moved left and right while compensating the angularity of the swivel joint 26 and the eccentricity of the joint portion and operating smoothly, thereby making the inner swivel joint 26 housing This prevents interference between the shaft and the shaft, which in turn eliminates any twisting or pinching of the pipes. Thus, the welding part is prevented from being damaged or damage to the housing, the shaft and the o-ring to prevent malfunction of the openings.

In addition, the vibration generated during the opening work is absorbed by the coil spring 37 installed in the joint body 36 to prevent deformation of the swivel line 13.

In addition, if it is necessary to disassemble and assemble each line, if the coil spring 37 embedded in the joint body 36 is pushed in the longitudinal direction of the pipe, a lot of gaps occur, so that the pipe can be easily disassembled and assembled. 40) By using the material as heat-resistant teflon, it is effective to maintain the airtightness while extending the life of the packing.

Accordingly, according to the present invention operating as described above, since the swivel joint housing and the shaft are smoothly rotated in the open air swivel line, it is possible to prevent premature wear and damage and to prevent weld breakage due to the concentrated load of the swivel joint and the pipe. have.

Therefore, due to equipment failure, the drawing work can be delayed, thereby preventing a reduction in production amount, and the life of the equipment can be extended, thereby reducing material and labor costs.

In addition, the damage of the swivel joint can be prevented, so that water leaked into the gap of the swivel joint during the opening of the exit opening can be prevented from being exploded by the molten iron which is introduced during the opening.

Claims (2)

A tapping rod (3) equipped with a tapping bit (2) at its end to discharge the molten iron through the opening (19) of the furnace wall, and hitting the tapping rod (3) back and forth, while rotating left and right to drill the opening tool (19) The center of the swivel line, which is installed in the swivel line of the opening machine, in the opening machine provided with the swivel line 13 for supplying fluid to the reverse hammer 6, the forward hammer 8, and the drill 7, respectively. In the automatic adjustment device, A tubular joint body 36 having a flange portion at both ends and a groove portion for accommodating the packing at its inner diameter portion; A coil spring 37 installed at the center of the inner diameter of the main body to absorb vibrations; A packing 39 mounted at both ends thereof to support the coil spring and a packing 39 installed in the groove of the main body 36 at the rear of the head of the nipples 38a and 38b; Openings characterized in that the head is arranged to move left and right inside the joint body 36 and the other end is coupled to the pipe of the swivel line and has a pair of nipples (38a, 38b) to compensate for the eccentricity of the swivel joint Swivelline center automatic adjustment. The apparatus of claim 1, wherein the packing (39,40) is made of heat resistant teflon.