WO2016163057A1 - 高炉等の出銑口面削り装置 - Google Patents
高炉等の出銑口面削り装置 Download PDFInfo
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- WO2016163057A1 WO2016163057A1 PCT/JP2015/086322 JP2015086322W WO2016163057A1 WO 2016163057 A1 WO2016163057 A1 WO 2016163057A1 JP 2015086322 W JP2015086322 W JP 2015086322W WO 2016163057 A1 WO2016163057 A1 WO 2016163057A1
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- Prior art keywords
- gear
- gear portion
- tap
- blast furnace
- teeth
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/12—Opening or sealing the tap holes
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4653—Tapholes; Opening or plugging thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1509—Tapping equipment
- F27D3/1527—Taphole forming equipment, e.g. boring machines, piercing tools
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1509—Tapping equipment
- F27D3/1536—Devices for plugging tap holes, e.g. plugs stoppers
Definitions
- the present invention relates to a surface removal device for a blast furnace or the like for cutting and leveling a surface of a blast furnace or the like (a front surface of the discharge port and its surrounding area).
- an opening is opened at the bottom of the furnace wall of a blast furnace or the like by a hole opening machine, and after the extraction, mud is injected into the opening by a mud injection machine so as to close the opening. I have to.
- FIG. 13 is a view showing an example of such a conventional spout surface leveling device.
- M is a mud injector
- C is a mud injection nozzle (not shown) at the tip of the mud injector M.
- a blast furnace, S is a spout surface, and K is a smoothing surface.
- a typical spout surface leveling device removes an injection nozzle attached to the tip of a conventional mud injection machine and places a leveling bit (multiple hard protrusions) in the removed space.
- the disk-shaped leveling part provided with) is detachably attached.
- the surface smoothing portion is used as a drive mechanism (mud injection) provided in a conventional mud injector.
- the injection nozzle attached to the tip of the machine is pressed against (striking) the outlet port surface by a drive mechanism for moving the inlet nozzle close to and away from the outlet port, thereby leveling the outlet port surface. I was doing.
- Patent Document 1 discloses a guide pin fixed on the drive mechanism side and a direction inclined with respect to the moving direction of the surface leveling portion on the outer peripheral surface of the guide cylinder fixed on the surface leveling portion side.
- the formed guide groove and the spring that urges the surface leveling portion in the direction of the tap surface, and its own force during the return operation after pressing the surface leveling portion against the port surface Has proposed a spout surface smoothing device provided with a spring for moving the guide pin along the guide groove.
- the present invention has been made paying attention to such problems of the prior art, and each time the chamfered part is pressed against the taping port surface, the operator must manually By eliminating the need to rotate the chamfered portion by a predetermined angle, it is possible to increase the efficiency of the leveling operation of the taphole surface and to increase the physical burden in the vicinity of the blast furnace lower furnace wall at a high temperature.
- a tapping surface chamfering device such as a blast furnace that can open a worker and can greatly improve the efficiency of shaving the tapping surface by pressing the chamfered portion. It is intended to provide.
- the pit furnace face milling device for a blast furnace or the like is pressed against the pit furnace outlet surface (the front surface of the pit furnace and its surrounding area), thereby Using a chamfered portion with a bit used to cut and flatten the throat surface, and when the chamfered portion is pressed against the taphole surface, the force applied is used to And a rotating mechanism that rotates the chamfered portion by a predetermined angle in a predetermined direction substantially parallel to the tap face and holds the chamfered portion at the rotated position.
- the rotating mechanism portion includes a moving body in which the chamfered portion is attached or fixed to an end portion on the taphole surface side, and the movement.
- a cylindrical body that accommodates the body so as to be movable in the direction of approaching and moving away from the taping surface, and when the chamfered portion is pressed against the taping port surface, A first gear portion that moves so as to approach the second gear portion; and a portion that is further away from the spout surface than the first gear portion in the cylindrical body, and the first gear portion
- the moving body to which the first gear portion and the first gear portion are fixed in the process in which the teeth of the first gear portion and the teeth of the first gear portion mesh with each other after approaching the Than a second gear part that rotates by a predetermined angle in a parallel predetermined direction, and the first gear part in the movable body A third gear portion provided in a portion close to the hook surface and moving so as to approach a fourth gear portion described later
- the third gear is provided in a portion closer to the spout surface than the gear portion, and in the process in which the teeth of the third gear portion and the teeth of the third gear portion mesh with each other after the third gear portion approaches itself.
- a fourth gear section that rotates the movable body fixed to the third gear section and a predetermined angle in the predetermined direction.
- the rotating mechanism portion includes a moving body in which the chamfered portion is attached or fixed to an end portion on the taphole surface side, and the movement.
- a cylindrical body that accommodates the body so as to be movable in the direction of approaching and moving away from the taping surface, and when the chamfered portion is pressed against the taping port surface, A first gear portion that moves so as to approach the second gear portion; a second gear portion that is provided in a portion of the tubular body that is farther from the tap face than the first gear portion; and the movement
- a third gear portion that is provided in a portion closer to the tap opening surface than the first gear portion in the body, and moves so as to approach the fourth gear portion described later when the chamfered portion leaves the tap opening surface.
- a fourth gear part provided in a portion closer to the tap face than the third gear part in the cylindrical body,
- the teeth of the first gear part and the teeth of the second gear part are respectively connected to the teeth of the first gear part and the second gear part after the first gear part approaches the second gear part.
- each tooth of the first gear part and the movable body to which the first gear part is fixed is in a predetermined direction substantially parallel to the spout surface with respect to the second gear part.
- the teeth of the third gear part and the teeth of the fourth gear part are respectively formed in a sawtooth shape so as to rotate by a predetermined angle, and the third gear part is the fourth gear part.
- the moving body to which the third gear portion and the teeth of the fourth gear portion are fixed is It is formed in a sawtooth shape so as to rotate by a predetermined angle in the predetermined direction with respect to the fourth gear part. Configuration may be.
- the tapping surface of the blast furnace or the like according to the present invention further includes a spring that urges the movable body toward the tapping surface with respect to the cylindrical body.
- a thrust bearing may be provided between the end of the spring and the cylindrical body.
- the pressing force is applied (the pressing is performed).
- the force is converted into rotational force), and the chamfered portion is rotated by a predetermined angle in a predetermined direction (circumferential direction of the cylindrical body) substantially parallel to the tap face and held at the rotated position. I did it. Therefore, according to the present invention, “the disk-shaped chamfered portion is used as the outlet surface, which is required in the leveling work of the outlet surface using a conventional outlet surface grinder. Work is performed between the pressing operation and the subsequent pressing operation of the chamfered portion against the tap surface, that is, every time the chamfered portion is pressed against the tap surface and separated from the tap surface.
- the mat injection machine itself is provided without a dedicated drive mechanism such as a motor proposed in Patent Document 2 for manually rotating the chamfered portion by a predetermined angle. Because it uses the function of moving back and forth linearly with respect to the exit surface, it can be made unnecessary at a low cost in terms of equipment, and as a result, the efficiency of the exit surface of the blast furnace etc.
- it is possible to remove the chamfered portion that has been necessary conventionally. Every time it is pushed away from the tapping surface after being pressed against the surface, the worker must perform extremely harsh work by rotating the chamfered part by a predetermined angle by hand in the vicinity of the hot blast furnace lower furnace wall. Therefore, it is possible to avoid such a large physical burden on the worker.
- the chamfered portion in the process in which the chamfered portion is pressed against the tap face, the chamfered portion is rotated by a predetermined angle, and the bit of the chamfered portion is a tap face of a blast furnace or the like. Since it works not only to cut in the front-rear direction (direction approaching or separating from the tap surface), but also to cut in the rotational direction (direction substantially parallel to the tap surface), Compared to the case where the chamfered portion is simply pressed in the front-rear direction against the taping surface as in the prior art, the cutting operation per pressing operation of the chamfered portion against the taping port surface is performed. The amount can be increased significantly.
- the 1st gear part provided in the said mobile body The 2nd gear part provided in the part which is separated from the spear opening surface rather than the said 1st gear part in the said cylindrical body, A third gear portion provided in a portion closer to the tap opening surface than the first gear portion in the movable body, and a portion closer to the tapping port surface than the third gear portion in the cylindrical body.
- A When the chamfered portion is pressed against the tap hole surface, the first gear portion approaches the second gear portion. In a process in which each tooth of the first gear portion meshes with each tooth of the second gear portion, the first gear portion and the movable body fixed to the first gear portion and the movable body fixed to a predetermined spout surface are provided.
- the first gear portion faces the second gear portion.
- a sawtooth shape that rotates by a predetermined angle in a predetermined direction (circumferential direction of the cylindrical body) substantially parallel to (3)
- the third gear portion and the fourth gear portion When the teeth of each other mesh with each other, the third gear portion is formed in a sawtooth shape that rotates by a predetermined angle in the predetermined direction (the circumferential direction of the cylindrical body) with respect to the fourth gear portion.
- the third gear portion and the movable body to which the third gear portion is fixed are rotated by a predetermined angle in the predetermined direction (circumferential direction of the cylindrical body).
- the operation can be realized with a simple and low-cost configuration.
- the chamfered portion is formed on the tap port surface.
- the first gear portion moves toward the second gear portion (against the force of the spring), and each tooth of the first gear portion is moved to each tooth of the second gear portion.
- the third gear portion the spring It is possible to realize an operation in which each tooth of the third gear portion meshes with each tooth of the fourth gear portion with a simple and low-cost configuration. it can.
- FIG. 1 It is an external view which shows the structure of the taphole chamfering apparatus which concerns on one Embodiment of this invention. It is a disassembled perspective view which shows the rotation mechanism part which rotates a chamfering part in this embodiment. It is a figure for demonstrating the structure and operation
- FIG. 1 is a side view showing the appearance of a taphole chamfering device according to an embodiment of the present invention
- FIG. 2 is an exploded perspective view showing a rotation mechanism unit 4 housed in the housing 3
- FIG. 4 is a diagram showing the configuration and operation of the rotation mechanism unit 4.
- reference numeral 1 denotes a disk-shaped chamfering portion pressed against a surface of a blast furnace or the like (a front surface of the brewing port and its peripheral region), and 1a denotes a surface of the surface of the chamfered portion 1.
- a number of convex bits arranged and fixed on a plane opposite to the reference numeral 2 are cylindrical moving bodies, and are protruded with the chamfered portion 1 (not shown in FIGS. 2 and 3) attached to the tip portion.
- a moving body 2a that moves in a direction close to and away from the mouth surface is a tip portion of the moving body 2 to which the chamfered portion 1 is attached.
- the movable body 2 is formed in a substantially cylindrical shape, and a tip end portion 2a to which the chamfered portion 1 is attached is closed, but the other left end portion in the figure is an opening (the movable body 2).
- a spring which will be described later, is inserted from the left end of the figure).
- 3 is a cylindrical housing that accommodates the movable body 2 so as to be movable in a direction close to and away from the spout surface, and 3 a represents the chamfer in the housing 3.
- the bottom plate 5 for closing the opening at the end opposite to the portion 1 is a spring interposed between the bottom plate 3a and the tip 2a of the moving body 2 (closed as described above). .
- the spring 5 always urges the movable body 2 toward the bottom opening surface with respect to the bottom plate 3a.
- 6 is fixedly provided by welding or the like at a substantially central portion in the moving direction of the moving body 2 in the outer peripheral wall surface of the moving body 2 and protrudes in a direction opposite to the tip 2a.
- a plurality of teeth 6a that are arranged in a ring shape along the circumferential direction of the movable body 2 as a whole, the first gear portion 7 is more than the first gear portion 6 in the inner peripheral wall surface of the housing 3.
- a plurality of teeth 7a which are fixedly provided with screws or the like on a portion on the side of the bottom plate 3a (a portion on the opposite side to the tip portion 2a) and can mesh with a plurality of teeth 6a of the first gear portion 6, the tip A plurality of teeth 7a protruding in the direction of the portion 2a are arranged in a ring shape along the circumferential direction of the casing 3 as a whole, and 8 is the first gear in the outer peripheral wall surface of the movable body 2 It is fixedly provided by welding or the like at a portion closer to the tip 2a than the portion 6.
- a third gear portion 9 in which a plurality of teeth 8a protruding in the direction of the tip portion 2a are arranged in a ring shape along the circumferential direction of the moving body 2 as a whole is provided in the inner peripheral wall surface of the housing 3
- a plurality of teeth 9a protruding in the direction opposite to the tip portion 2a are arranged in a ring shape along the circumferential direction of the casing 3 as a whole.
- the first gear portion 6 and the third gear portion 8 are integrally formed with each other.
- the first gear portion 6 and the second gear portion 7 are configured such that when the teeth 6a and the teeth 7a mesh with each other, the first gear portion 6
- the second gear portion 7 is substantially parallel to the tap face by a predetermined angle (for example, 15 degrees) in a predetermined direction (clockwise direction as viewed from the side of the chamfered portion 1 in this embodiment). It is formed in a sawtooth shape that rotates.
- the third gear portion 8 and the fourth gear portion 9 are configured so that when the teeth 8a and 9a mesh with each other, the third gear portion 8
- the fourth gear portion 9 is substantially parallel to the spout opening surface by a predetermined angle (for example, 15 degrees) in a predetermined direction (clockwise direction as viewed from the side of the chamfered portion 1 in the present embodiment). It is formed in a sawtooth shape that rotates.
- the tap face chamfering device according to the present embodiment constituted by the chamfering portion 1, the casing 3, the rotation mechanism portion 4 and the like is preferably a conventional mud injection machine. It is detachably attached to the tip (so that it can be attached in exchange for the mud injection nozzle). And, in the leveling work of the tap mouth surface, the driving mechanism provided in the conventional mud injection machine moves the tap face surface shaving device according to this embodiment in a direction approaching the tap port surface. And the chamfered portion 1 is pressed against the tap surface, and the tap port surface shaving device according to the present embodiment is moved away from the tap surface so that the chamfered portion 1 comes out. The process of separating from the mouth surface is repeated alternately. It should be noted that the taphole surface shaving device according to the present embodiment is not only used by being attached to the tip of the conventional mud injection machine (the part to which the mud injection nozzle is attached) but also attached to other dedicated machines. And may be used.
- the end of the spring 5 on the chamfered portion 1 side and the distal end portion 2a of the movable body 2 and the end of the spring 5 on the bottom plate 3a side of the housing 3 are also provided.
- a thrust bearing (not shown) is provided between the portion and the bottom plate 3a.
- FIGS. 3 and 4 a state before the chamfered portion 1 (see FIG. 1) is pressed against the tap face will be described with reference to FIGS.
- the moving body 2 is directed toward the bottom plate 3 a of the housing 3 by the spring 5 (see FIG. 4) (see FIGS. 3 and 4). Therefore, each tooth 8a of the third gear portion 8 on the loading port surface side (right side in the drawing) of the movable body 2 is biased toward the loading port surface side (illustration in the drawing).
- the teeth are engaged with the respective teeth 9a of the fourth gear portion 9 on the right side (see the marks c and d in FIGS. 3 and 4).
- the moving body 2 has the chamfered portion against the force of the spring 5 by the force with which the driving mechanism of the conventional mud injection machine presses the chamfered portion 1 against the spout surface side. It moves in the direction away from 1 (the direction indicated by arrow A in FIG. 5).
- the third gear portion 8 on the movable body 2 side separates from the fourth gear portion 9 on the housing 3 side, and the first gear on the movable body 2 side.
- the gear portion 6 approaches the second gear portion 7 on the housing 3 side (see marks indicated by reference signs a and b in FIGS. 5 and 6).
- the third gear portion 8 approaches the fourth gear portion 9 on the housing 3 side.
- each tooth 8a of the third gear portion 8 meshes with each tooth 9a of the fourth gear portion 9 (see marks c and d in FIGS. 9 and 10).
- the first gear portion 6 is in the process of shifting from the state shown in FIGS. 5 and 6 to the state shown in FIGS. 7 and 8 with respect to the second gear portion 7. , It is rotated upward in the figure by a predetermined angle (see marks indicated by symbols a and b in FIGS. 7 and 8). Therefore, the third gear portion 8 formed integrally with the first gear portion 6 is also connected to the fourth gear portion 9 (the fourth gear portion 9 is connected to the second gear portion via the cylindrical portion 2.
- each tooth 8a of the third gear portion 8 is connected to each tooth 9a of the fourth gear portion 9 meshed in FIGS. 3 and 4 (see the marks c and d in FIGS. 3 and 4).
- other teeth whose phases are shifted in the upward direction in the drawing (as a result of moving by the predetermined angle, so as to newly face each tooth 8a of the third gear portion 8).
- the other gears of the fourth gear portion 9 are engaged with each other (see the marks c and d in FIGS. 9 and 10).
- the third gear portion 8 on the movable body 2 side further approaches the fourth gear portion 9 on the housing 3 side (see arrow B in FIG. 11), and each tooth 8a of the third gear portion 8 and the In the process in which the teeth 9a of the fourth gear portion 9 mesh with each other, as shown in FIGS. 11 and 12, the third gear portion 8 (and the movable body 2 to which the third gear portion 8 is fixed, Further, the chamfered portion 1) fixed to the movable body 2 is at a predetermined angle (with respect to the fourth gear portion 9 (and the casing 3 to which the fourth gear portion 9 is fixed)). It rotates in the upward direction of the figure (for example, 15 degrees) (clockwise as viewed from the tip 2a) (see marks c and d in FIGS. 11 and 12).
- the chamfered portion 1 of the taphole chamfering device is pressed against the taphole surface by the drive mechanism of the mud injector.
- the chamfering portion 1 is pressed against the tap face by the rotating mechanism portion (converting the pressing force into a rotating force)
- the chamfered portion 1 was rotated by a predetermined angle in a predetermined direction (circumferential direction of the cylindrical body 3) substantially parallel to the surface of the tap opening, and held at the rotated position. Therefore, according to the present embodiment, “the disc-shaped surface shaving portion is used as the exit face surface, which is required in the leveling operation of the exit face surface using the conventional exit face face sharpening device.
- the work for leveling the tap face that has been performed while interposing the work of rotating the chamfered portion by a predetermined angle by hand using a conventional tap face chamfering device is as follows: Although the work time of about 20 minutes was required, when using the taping face shaving device according to the present embodiment, the work time could be shortened to about 5 minutes.
- the surface grinding is performed near the high-temperature blast furnace lower furnace wall every time the chamfered portion 1 is pressed against the tapping port surface and separated from the tapping port surface. It is possible to eliminate the need for the worker to perform extremely harsh work of rotating the part 1 by a predetermined angle by hand, and to avoid giving such a large physical burden to the worker. become.
- the first gear portion 6 and the first gear portion 6 are fixed in the process in which the teeth of the first gear portion 6 are engaged with the teeth of the second gear portion 7.
- the chamfered portion 1 is pressed against the taping surface.
- the chamfered portion 1 rotates by a predetermined angle (for example, 15 degrees).
- the bit of the chamfered portion 1 moves the taping port surface in the front-rear direction (the taping).
- each tooth of the third gear portion 8 is formed in a sawtooth shape so as to rotate by a predetermined angle in a predetermined direction (circumferential direction of the housing 3) substantially parallel to the spout opening surface with respect to the portion 7 8a and the teeth 9a of the fourth gear portion 9 are engaged with each other when the third gear portion 8 is engaged with the fourth gear portion 9 in the predetermined direction (the circumferential direction of the housing 3).
- a saw-tooth shape that rotates by a predetermined angle, so that the first gear portion 6 rotates with respect to the second gear portion 7 and the fourth gear portion 9 of the third gear portion 8.
- the smooth rotation of the movable body 2 with respect to the housing 3 is performed by the spring 5. It is possible to effectively prevent the spring 5 from rotating together with, for example, the rotation of the movable body 2 due to the friction between the end portions of the movable body 2 and the housing 3 side. .
- the present invention has been described above, but the present invention is not limited to the embodiment described above, and various modifications and changes can be made.
- the first gear portion 6 and the third gear portion 8 are formed integrally with each other. However, in the present invention, they may be formed separately from each other.
- the taphole surface shaving device (the taphole surface shaving device comprised from the said face-shaping part 1, the said rotation mechanism part 4, etc.) which concerns on the said embodiment is used as a taphole surface.
- a conventional mud injection machine originally equipped with a mechanism for moving the mud injection nozzle close to and away from the spout surface was used as a mechanical device for making the machine close to and away from the machine.
- the present invention is not limited to this, and a mechanical device having a drive mechanism separate from the mud injector may be used.
- the rotation angle of the chamfered portion 1 is 15 degrees, but the present invention is not limited to this and ranges from 2 degrees to 45 degrees, preferably from 10 degrees to 20 degrees. It can be. This is because if 20 degrees is exceeded, smooth rotation cannot be obtained, and further, the cutting efficiency is saturated, and if it is less than 10 degrees, the cutting efficiency decreases.
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- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
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- Blast Furnaces (AREA)
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Abstract
Description
このとき、前述のように、前記第1歯車部6は、前記第2歯車部7に対して、前記の図5及び図6に示す状態から図7及び図8に示す状態に移行する過程で、所定角度だけ図示上方向に回動している(図7,8の符号a,bで示す印を参照)。よって、前記第1歯車部6と一体的に形成された第3歯車部8も、前記第4歯車部9(前記第4歯車部9は、前記円筒部2を介して、前記第2歯車部7と固定されている)に対して、前記の図5及び図6に示す状態から図7及び図8に示す状態に移行する過程で、所定角度だけ図示上方向に回動している(図7,8の符号c,dで示す印を参照)。
そのため、前記第3歯車部8の各歯8aは、前記の図3及び図4において噛み合っていた前記第4歯車部9の各歯9a(図3,4の符号c,dで示す印を参照)と同じ各歯ではなく、それらよりも図示上方向に位相がズレた別の各歯(上記所定角度だけ移動した結果として、前記第3歯車部8の各歯8aと新たに対向するようになった前記第4歯車部9の別の各歯)と噛み合うようになる(図9,10の符号c,dで示す印を参照)。
1a ビット
2 移動体
2a 先端部
3 筐体
3a 筐体の底板
4 回転機構部
5 スプリング
6 第1歯車部
6a,7a,8a,9a 歯
7 第2歯車部
8 第3歯車部
9 第4歯車部
Claims (5)
- 高炉等の出銑口面(出銑口の前面及びその周辺領域)に押し当てられることにより、出銑口面を削り平坦に均すために使用される、ビットを備えた面削り部と、
前記面削り部が出銑口面に押し当てられるとき、前記押し当てられる力を利用して、前記面削り部を、出銑口面と略平行な所定方向に所定角度だけ回転させ、且つその回転した位置で保持させる回転機構部と、
を備えた高炉等の出銑口面削り装置。 - 前記回転機構部は、
出銑口面側の端部に前記面削り部が取り付けられ又は固定されている移動体と、
前記移動体を出銑口面に対して近接離反する方向に移動可能に収容している筒状体と、
前記移動体に設けられ、前記面削り部が出銑口面に押し当てられるとき、後記の第2歯車部に近づくように移動する第1歯車部と、
前記筒状体中の前記第1歯車部よりも出銑口面から離れている部分に設けられ、前記第1歯車部が自らに近づいた後に前記第1歯車部の各歯と自らの各歯とが互いに噛み合う過程で、前記第1歯車部及び前記第1歯車部が固定されている前記移動体を、出銑口面と略平行な所定方向に所定角度だけ回動させる第2歯車部と、
前記移動体中の前記第1歯車部よりも出銑口面に近い部分に設けられ、前記面削り部が出銑口面から離れるとき、後記の第4歯車部に近づくように移動する第3歯車部と、
前記筒状体中の前記第3歯車部よりも出銑口面に近い部分に設けられ、前記第3歯車部が自らに近づいた後に前記第3歯車部の各歯と自らの各歯とが互いに噛み合う過程で、前記第3歯車部及び前記第3歯車部に固定された前記移動体を、前記所定方向に所定角度だけ回動させる第4歯車部と、
を備えた、請求項1に記載の高炉等の出銑口面削り装置。 - 前記回転機構部は、
出銑口面側の端部に前記面削り部が取り付けられ又は固定されている移動体と、
前記移動体を出銑口面に対して近接離反する方向に移動可能に収容している筒状体と、
前記移動体に設けられ、前記面削り部が出銑口面に押し当てられるとき、後記の第2歯車部に近づくように移動する第1歯車部と、
前記筒状体中の前記第1歯車部よりも出銑口面から離れている部分に設けられた第2歯車部と、
前記移動体中の前記第1歯車部よりも出銑口面に近い部分に設けられ、前記面削り部が出銑口面から離れるとき、後記の第4歯車部に近づくように移動する第3歯車部と、
前記筒状体中の前記第3歯車部よりも出銑口面に近い部分に設けられた第4歯車部と、を備え、
前記第1歯車部の各歯及び前記第2歯車部の各歯は、それぞれ、前記第1歯車部が前記第2歯車部に近づいた後に前記第1歯車部の各歯と前記第2歯車部の各歯とが互いに噛み合う過程で、前記第1歯車部及び前記第1歯車部が固定されている前記移動体が、前記第2歯車部に対して出銑口面と略平行な所定方向に所定角度だけ回動するように、ノコギリ歯状に形成されており、前記第3歯車部の各歯と前記第4歯車部の各歯は、それぞれ、前記第3歯車部が前記第4歯車部に近づいた後に前記第3歯車部の各歯と前記第4歯車部の各歯とが互いに噛み合う過程で、前記第3歯車部及び前記第3歯車部が固定されている前記移動体が、前記第4歯車部に対して前記所定方向に所定角度だけ回動するように、ノコギリ歯状に形成されている、請求項1に記載の高炉等の出銑口面削り装置。 - 前記移動体を前記筒状体に対して出銑口面の方向に付勢するスプリングをさらに備えた請求項2又は3に記載の高炉等の出銑口面削り装置。
- 前記スプリングの端部と前記筒状体との間に、スラスト軸受が備えられている、請求項4に記載の高炉等の出銑口面削り装置。
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JPH073311A (ja) * | 1993-06-15 | 1995-01-06 | Nkk Corp | 高炉等の出銑口面削り装置 |
JP2000328117A (ja) * | 1999-05-12 | 2000-11-28 | Nippon Steel Corp | 高炉等の出銑口面均し装置 |
JP2007126729A (ja) * | 2005-11-07 | 2007-05-24 | Jfe Steel Kk | 出銑口面削りビット |
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CN202945256U (zh) | 2012-11-06 | 2013-05-22 | 柳州钢铁股份有限公司 | 高炉铁口泥套削平器 |
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JPH073311A (ja) * | 1993-06-15 | 1995-01-06 | Nkk Corp | 高炉等の出銑口面削り装置 |
JP2000328117A (ja) * | 1999-05-12 | 2000-11-28 | Nippon Steel Corp | 高炉等の出銑口面均し装置 |
JP2007126729A (ja) * | 2005-11-07 | 2007-05-24 | Jfe Steel Kk | 出銑口面削りビット |
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TW201636430A (zh) | 2016-10-16 |
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CN106536761B (zh) | 2019-03-08 |
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JP6403335B2 (ja) | 2018-10-10 |
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