CN110238136B - Floating reamer and use method - Google Patents
Floating reamer and use method Download PDFInfo
- Publication number
- CN110238136B CN110238136B CN201910532461.6A CN201910532461A CN110238136B CN 110238136 B CN110238136 B CN 110238136B CN 201910532461 A CN201910532461 A CN 201910532461A CN 110238136 B CN110238136 B CN 110238136B
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- piston
- blade
- piston rod
- cutter body
- reamer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a floating reaming cutter and a use method thereof, the floating reaming cutter comprises a main cutter body, wherein a reset piston structure is arranged in an overhanging column of the main cutter body in a matched manner, the reset piston structure is fixed in the overhanging column in a limiting manner through a sealing guide structure, the reset piston structure is matched with a piston rod, and a blade for deslagging is fixedly arranged at the end of the piston rod through a blade mounting seat. The tool bit of the reamer can be adjusted within a certain range as required, so that the reamer is suitable for a slag removal range larger than the inner diameter range of the small sleeve, and the quality and the efficiency of slag removal operation are ensured.
Description
Technical Field
The invention relates to a blast furnace slag removal and cleaning cutter, in particular to a floating reaming cutter for a tuyere and a use method thereof.
Background
The tuyere is a necessary air supply device for the blast furnace, and is generally composed of a large sleeve, a middle sleeve and a small sleeve, each air sleeve, especially the small sleeve, needs to be replaced frequently, and because a large amount of slag is generated by burning ores, coke and the like in the blast furnace, slag is stuck on the inner wall and the front end of the small sleeve, difficulty is brought to the disassembly and the assembly of the small sleeve, the current operation of disassembling and assembling the air sleeve is basically finished by personnel, slag on the end surface of the small sleeve needs to be removed, a cutter is required to pass through an inner hole of the small sleeve with a smaller diameter, then the slag on the end surface of the small sleeve is removed, the diameter range of the slag hole needs to be removed is larger than the inner diameter of the small sleeve, and if a cutter handle with a fixed length is adopted to drive a blade to remove slag, the slag which is larger than the inner diameter range of the small sleeve cannot be removed. Therefore, it is necessary to develop a floating reamer for tuyere deslagging, which ensures that the deslagging range can be adjusted as required.
Disclosure of Invention
The invention aims to solve the technical problem of providing a floating reamer and a use method thereof, wherein the reamer head of the reamer can be adjusted within a certain range according to the needs, so that the reamer is suitable for a deslagging range larger than the inner diameter range of a small sleeve, and the quality and the efficiency of deslagging operation are ensured.
In order to achieve the technical characteristics, the aim of the invention is realized in the following way: the floating reaming cutter comprises a main cutter body, wherein a reset piston structure is mounted in an overhanging column of the main cutter body in a matched mode, the reset piston structure is fixed in the overhanging column in a limited mode through a sealing guide structure, the reset piston structure is matched with a piston rod, and a blade for removing slag is fixedly mounted at the end of the piston rod through a blade mounting seat.
The main cutter body comprises a cutter body connecting column, a first threaded column matched with the transmission shaft is processed on the cutter body connecting column, and a plurality of overhanging columns are uniformly distributed at the bottom of the cutter body connecting column; the center of the cutter body connecting column is provided with a vertical axial oil hole, and the vertical axial oil hole is communicated with a horizontal axial oil hole which is formed in the center of the overhanging column.
The reset piston structure comprises a piston cavity, the piston cavity is processed at the center of the overhanging column, a piston is mounted in the piston cavity in a matched mode, a sealing ring is sleeved outside the piston, the piston cavity is communicated with a horizontal axial oil hole of the main cutter body, a piston rod is fixedly mounted on the end face of the piston, a reset spring is sleeved on the piston rod, and the other end of the reset spring is in contact with a sealing guide structure mounted at the end head of the overhanging column.
The piston rod is provided with a threaded shaft section matched with the blade mounting seat, the threaded shaft section is in transitional connection with the optical axis section through a rectangular shaft section, the end head of the optical axis section is fixedly connected with the piston, and the optical axis section is provided with a guide key groove matched with the sealing guide structure.
The sealing guide structure comprises a wear-resistant supporting sleeve sleeved outside the piston rod, the wear-resistant supporting sleeve is fixed at the end head of the overhanging column through an end cover, a guide key is fixedly arranged inside the wear-resistant supporting sleeve through a guide key mounting groove, and the guide key and a guide key groove on the piston rod form sliding fit.
The blade mounting seat comprises a blade seat main body, a blade mounting groove is formed in the end head of the blade seat main body, a piston rod mounting hole is formed in the center of one end of the blade seat main body, and the piston rod mounting hole is matched and connected with a threaded shaft section of a piston rod.
The blade adopts the carbide blade to fix on the blade mounting groove of blade mount pad through the welding machine.
The vertical axial oil hole of the main cutter body is connected with a hydraulic oil supply system.
The method for using the floating reamer according to any one of the above, comprising the following steps:
step one: connecting the main cutter body with a transmission shaft of a reamer;
step two: when the inside of the tuyere small sleeve is required to be reamed, the pressure oil in the piston cavity is unloaded, the piston rod is contracted under the action of the reset spring, and the blade is driven to contract, so that the reamer passes through the tuyere small sleeve with the minimum outer diameter, then the reamer is started, the main cutter body is driven to rotate through the transmission shaft, and slag in the tuyere small sleeve is removed through the blade;
step three: when slag removal and reaming are required to be carried out on the large-diameter range of the tuyere small sleeve end, introducing pressure oil into a piston cavity, driving a piston through the pressure oil, driving a piston rod through the piston, driving a blade to extend through the piston rod, starting a reamer, driving a main cutter body to rotate through a transmission shaft, and further removing slag in the large-size range of the tuyere small sleeve end through the blade;
step four: when reaming is completed, the hydraulic oil is unloaded, the blade is contracted under the action of the reset spring, and the reaming cutter is retracted.
The invention has the following beneficial effects:
1. through adopting the reamer of above-mentioned structure its slag that can be arranged in blast furnace equipment wind gap clear away the operation, in the use, can drive overhanging post through the main knife body in step, drive the piston rod by overhanging post again to have the blade mount pad and the blade of piston rod drive its end to rotate, and then carry out rotatory slagging-off operation to the wind gap, can control the extension of piston rod through adopting foretell piston structure that resets moreover, and then control the extension or the withdrawal of blade, and then adaptive diameter regional slagging-off reaming operation has guaranteed the effect of slagging-off.
2. The main cutter body with the structure can be connected with the transmission shaft on one hand, and can be used for mounting the cutter blade on the other hand, so that the main cutter body can be ensured to drive the cutter blade to rotate, and slag removal is realized. In the operation process, hydraulic oil passing through the inside of the vertical axial oil hole enters the horizontal axial oil hole, and then enters the piston cavity through the horizontal axial oil hole to form piston cooperation with the piston.
3. Through the reset piston structure, the piston rod can be driven to extend or retract, so that the piston rod can be used for adapting to hole deslagging operations with different inner diameters, when the blade is required to extend, hydraulic oil is injected into the piston cavity, the piston is driven by the hydraulic oil, and the piston rod is driven by the piston to extend; when retraction is required, hydraulic oil is unloaded, and the piston is retracted along the piston chamber by the return spring.
4. The sealing guide structure with the structure can guide the piston rod, so that the piston rod can always move along the axial direction of the overhanging column without rotating; and simultaneously, the blade mounting seat is prevented from rotating in the deslagging process.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a cross-sectional view A-A of fig. 1 in accordance with the present invention.
FIG. 3 is a schematic illustration of the present invention during use.
In the figure: blade 1, blade mount pad 2, piston rod 3, seal guide structure 4, main cutter body 5, reset piston structure 6, wait to clear away slag district 7, tuyere small sleeve 8, transmission shaft 9;
a blade seat main body 201, a blade mounting groove 202, and a piston rod mounting hole 203;
a threaded shaft section 301, a rectangular shaft section 302, a guide key groove 303, and an optical axis section 304;
a first threaded column 501, a vertical axial oil hole 502, a cutter body connecting column 503, a horizontal axial oil hole 504 and an overhanging column 505;
a return spring 601, a piston 602, a sealing ring 603, and a piston cavity 604.
B: a contracted state diagram; c: an overhanging state diagram.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-3, the floating reamer comprises a main cutter body 5, wherein a reset piston structure 6 is mounted in the outer extending column 505 of the main cutter body 5 in a matched mode, the reset piston structure 6 is fixed in the outer extending column 505 in a limited mode through a sealing guide structure 4, the reset piston structure 6 is matched with a piston rod 3, and a blade 1 for deslagging is fixedly mounted at the end of the piston rod 3 through a blade mounting seat 2. Through adopting the reamer of above-mentioned structure its slag that can be arranged in blast furnace equipment wind gap clear away the operation, in the use, can drive overhanging post 505 in step through main cutter body 5, drive piston rod 3 by overhanging post 505 again to have blade mount pad 2 and blade 1 that piston rod 3 drove its end to rotate, and then carry out rotatory slagging-off operation to the wind gap, can control the extension of piston rod 3 through adopting foretell piston structure 6 that resets in addition, and then control the extension or the withdrawal of blade 1, and then the regional slagging-off reaming operation of adaptation diameter has guaranteed the effect of slagging-off.
Further, the main cutter body 5 includes a cutter body connecting post 503, a first threaded post 501 for matching with the transmission shaft 9 is processed on the cutter body connecting post 503, and a plurality of overhanging posts 505 are uniformly distributed at the bottom of the cutter body connecting post 503; the center of the cutter body connecting post 503 is provided with a vertical axial oil hole 502, and the vertical axial oil hole 503 is communicated with a horizontal axial oil hole 504 formed at the center of the overhanging post 505. The main cutter body 5 with the structure can be connected with the transmission shaft 9 on one hand, and can be used for mounting the cutter blade on the other hand, so that the main cutter body 5 can drive the cutter blade 1 to rotate, and slag removal is realized. During operation, hydraulic oil passing through the inside of the vertical axial oil hole 502 will enter the horizontal axial oil hole 504, and then enter the piston cavity 604 through the horizontal axial oil hole 504 to form a piston fit with the piston 602.
Further, the reset piston structure 6 comprises a piston cavity 604, the piston cavity 604 is machined at the center position of the overhanging column 505, a piston 602 is installed in the piston cavity 604 in a matched mode, a sealing ring 603 is sleeved outside the piston 602, the piston cavity 604 is communicated with the horizontal axial oil hole 504 of the main cutter body 5, a piston rod 3 is fixedly installed on the end face of the piston 602, a reset spring 601 is sleeved on the piston rod 3, and the other end of the reset spring 601 is in contact fit with a sealing guide structure 4 installed at the end head of the overhanging column 505. Through the above-mentioned reset piston structure 6, can be used for driving the extension or retraction of the piston rod 3, and then make it can be used for adapting to the hole deslagging operation of different internal diameters, when needing to stretch out the blade, through pouring into the hydraulic oil into the interior of the piston cavity 604, then drive the piston 602 by the hydraulic oil, and then drive the piston rod 3 to stretch out through the piston 602; when retraction is desired, hydraulic oil is unloaded and the piston is retracted along the piston chamber 604 by the return spring 601.
Further, a threaded shaft section 301 for matching with the blade mounting seat 2 is machined on the piston rod 3, the threaded shaft section 301 is in transitional connection with an optical axis section 304 through a rectangular shaft section 302, the end of the optical axis section 304 is fixedly connected with the piston 602, and a guide key groove 303 for matching with the sealing guide structure 4 is machined on the optical axis section 304. The piston rod 3 having the above-described structure can be used for mounting the blade mount 2 and thus the blade.
Further, the sealing guide structure 4 comprises a wear-resistant supporting sleeve 402 sleeved outside the piston rod 3, the wear-resistant supporting sleeve 402 is fixed at the end head of the overhanging post 505 through an end cover 403, a guide key 401 is fixedly installed inside the wear-resistant supporting sleeve 402 through a guide key installation groove 404, and the guide key 401 and a guide key groove 303 on the piston rod 3 form a sliding fit. The sealing guide structure 4 with the structure can guide the piston rod 3, so that the piston rod can always move along the axial direction of the overhanging column 505 without rotating; and also prevents the blade mount 2 from rotating during the deslagging process.
Further, the blade mounting seat 2 comprises a blade seat main body 201, a blade mounting groove 202 is formed in the end of the blade seat main body 201, a piston rod mounting hole 203 is formed in the center of one end of the blade seat main body 201, and the piston rod mounting hole 203 is matched and connected with a threaded shaft section 301 of the piston rod 3. The insert mounting seat 2 having the above-described structure can be used for mounting the insert 1.
Further, the blade 1 is a cemented carbide blade and is fixed to the blade mounting groove 202 of the blade mounting seat 2 by a welder. The hard alloy blade has the function of wear resistance, so that the service life of the hard alloy blade is effectively prolonged. Meanwhile, the deslagging quality is ensured.
Further, the vertical axial oil hole 502 of the main cutter body 5 is connected with a hydraulic oil supply system. The hydraulic oil supply system with the structure can drive the extension of the piston rod 3, thereby changing the diameter of the reaming.
Further, the blade 1 comprises a plurality of different specifications so as to adapt to slag removal operations of different types of slag, and the overhanging range of the blade 1 floats according to the designed oil pressure change of hydraulic oil.
Further, the number of the protruding studs 505 is plural.
Example 2:
the method for using the floating reamer according to any one of the above, comprising the following steps:
step one: connecting the main cutter body 5 with a transmission shaft 9 of a reamer;
step two: when the inside of the tuyere small sleeve 8 is required to be reamed, the pressure oil in the piston cavity 604 is unloaded, the piston rod 3 is contracted under the action of the reset spring 601 and drives the blade 1 to contract, so that the reamer passes through the tuyere small sleeve 8 with the minimum outer diameter, then the reamer is started, the main cutter body 5 is driven to rotate through the transmission shaft 9, and slag in the tuyere small sleeve 8 is removed through the blade 1;
step three: when the large-diameter range of the end head of the tuyere small sleeve 8 is required to be subjected to deslagging and reaming, pressure oil is introduced into the piston cavity 604, the piston 602 is driven by the pressure oil, the piston rod 3 is further driven by the piston 602, the blade 1 is driven by the piston rod 3 to extend, the reamer is started, the main cutter body 5 is driven to rotate by the transmission shaft 9, and slag in the large-size range of the end head of the tuyere small sleeve 8 is further removed by the blade 1;
step four: when the reaming is completed, the hydraulic oil is unloaded, the blade 1 is contracted under the action of the return spring 601, and the reamer is retracted.
The structures in this example are shown and described only for the purposes of illustrating and explaining the claims, so that the public should not read the understanding, but the scope of the invention should be determined by the scope and legal equivalents of the claims.
Claims (6)
1. Floating reamer, its characterized in that: the automatic slag removing device comprises a main cutter body (5), wherein an extension column (505) of the main cutter body (5) is internally provided with a reset piston structure (6) in a matched mode, the reset piston structure (6) is fixedly limited in the extension column (505) through a sealing guide structure (4), the reset piston structure (6) is matched with a piston rod (3), and the end head of the piston rod (3) is fixedly provided with a blade (1) for removing slag through a blade mounting seat (2);
the main cutter body (5) comprises a cutter body connecting column (503), a first threaded column (501) matched with the transmission shaft (9) is processed on the cutter body connecting column (503), and a plurality of overhanging columns (505) are uniformly distributed at the bottom of the cutter body connecting column (503); a vertical axial oil hole (502) is formed in the center of the cutter body connecting column (503), and the vertical axial oil hole (502) is communicated with a horizontal axial oil hole (504) formed in the center of the overhanging column (505);
the reset piston structure (6) comprises a piston cavity (604), the piston cavity (604) is machined at the central position of the overhanging column (505), a piston (602) is mounted in the piston cavity (604) in a matched mode, a sealing ring (603) is sleeved outside the piston (602), the piston cavity (604) is communicated with a horizontal axial oil hole (504) of the main cutter body (5), a piston rod (3) is fixedly mounted on the end face of the piston (602), a reset spring (601) is sleeved on the piston rod (3), and the other end of the reset spring (601) is in contact with a sealing guide structure (4) mounted at the end of the overhanging column (505);
the vertical axial oil hole (502) of the main cutter body (5) is connected with a hydraulic oil supply system.
2. The floating reamer as defined in claim 1, wherein: the piston rod (3) is provided with a threaded shaft section (301) matched with the blade mounting seat (2), the threaded shaft section (301) is in transitional connection with an optical axis section (304) through a rectangular shaft section (302), the end head of the optical axis section (304) is fixedly connected with a piston (602), and the optical axis section (304) is provided with a guide key groove (303) matched with the sealing guide structure (4).
3. The floating reamer as defined in claim 1, wherein: the sealing guide structure (4) comprises a wear-resistant supporting sleeve (402) sleeved outside the piston rod (3), the wear-resistant supporting sleeve (402) is fixed at the end head of the overhanging column (505) through an end cover (403), a guide key (401) is fixedly installed inside the wear-resistant supporting sleeve (402) through a guide key installation groove (404), and the guide key (401) and a guide key groove (303) on the piston rod (3) form sliding fit.
4. The floating reamer as defined in claim 1, wherein: the blade mounting seat (2) comprises a blade seat main body (201), a blade mounting groove (202) is formed in the end head of the blade seat main body (201), a piston rod mounting hole (203) is formed in the center of one end of the blade seat main body (201), and the piston rod mounting hole (203) is matched and connected with a threaded shaft section (301) of the piston rod (3).
5. The floating reamer as defined in claim 1, wherein: the blade (1) is a hard alloy blade and is fixed on a blade mounting groove (202) of the blade mounting seat (2) through a welding machine.
6. The method of using a floating reamer of any one of claims 1-5, comprising the steps of:
step one: connecting the main cutter body (5) with a transmission shaft (9) of a reamer;
step two: when the inside of the tuyere small sleeve (8) is required to be reamed, the pressure oil in the piston cavity (604) is unloaded, the piston rod (3) is contracted under the action of the reset spring (601) and drives the blade (1) to contract, so that the reamer passes through the tuyere small sleeve (8) with the minimum outer diameter, the reamer is started again, the main cutter body (5) is driven to rotate through the transmission shaft (9), and slag in the tuyere small sleeve (8) is removed through the blade (1);
step three: when the large-diameter range of the end of the tuyere small sleeve (8) needs to be deslagged and reamed, introducing pressure oil into a piston cavity (604), driving a piston (602) through the pressure oil, driving a piston rod (3) through the piston (602), driving a blade (1) to extend through the piston rod (3), starting a reamer, driving a main blade body (5) to rotate through a transmission shaft (9), and further cleaning slag in the large-size range of the end of the tuyere small sleeve (8) through the blade (1);
step four: when reaming is completed, hydraulic oil is unloaded, the blade (1) is contracted under the action of the reset spring (601), and the reaming cutter is retracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910532461.6A CN110238136B (en) | 2019-06-19 | 2019-06-19 | Floating reamer and use method |
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|---|---|---|---|
| CN201910532461.6A CN110238136B (en) | 2019-06-19 | 2019-06-19 | Floating reamer and use method |
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| CN110238136A CN110238136A (en) | 2019-09-17 |
| CN110238136B true CN110238136B (en) | 2023-09-05 |
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| CN110714751A (en) * | 2019-10-25 | 2020-01-21 | 中南大学 | Centering device of drilling imager |
| CN111940440A (en) * | 2020-08-12 | 2020-11-17 | 云南玉溪玉昆钢铁集团有限公司 | Novel wear-resisting type alloy balling disk scraper |
| CN113231700B (en) * | 2021-04-29 | 2023-01-24 | 东莞市福华建筑工程有限公司 | Threading machine die teeth mechanism for construction |
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| CN107537837A (en) * | 2017-09-27 | 2018-01-05 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of oil-contained drilling cuttings extraction kettle barrel cleaning tool and application method |
| CN207952167U (en) * | 2017-12-23 | 2018-10-12 | 黄少仁 | A kind of pharmaceutical equipment cleaning device |
| CN107962043A (en) * | 2017-12-27 | 2018-04-27 | 王珏 | A kind of efficient petroleum pipeline cleaning equipment |
| CN108787658A (en) * | 2018-06-27 | 2018-11-13 | 贵州贵恒智慧科技有限公司 | A kind of adaptive cleaning device for stalk pyrolytic reaction tank |
| CN210546832U (en) * | 2019-06-19 | 2020-05-19 | 宜昌市燕狮科技开发有限责任公司 | Floating reamer |
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