CN110238136A - Floating cornish bit and application method - Google Patents
Floating cornish bit and application method Download PDFInfo
- Publication number
- CN110238136A CN110238136A CN201910532461.6A CN201910532461A CN110238136A CN 110238136 A CN110238136 A CN 110238136A CN 201910532461 A CN201910532461 A CN 201910532461A CN 110238136 A CN110238136 A CN 110238136A
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- Prior art keywords
- blade
- piston rod
- piston
- floating
- cornish bit
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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"
-
- 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)
- Earth Drilling (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The present invention relates to floating cornish bit and application methods, it includes scalpel body, the overhanging column internal engagement of the scalpel body is equipped with return piston structure, the return piston structure is fixed on inside overhanging column by sealing guide frame limit, the return piston structure is matched with piston rod, and the end of the piston rod is fixedly installed with the blade for slagging-off by blade mounting base.The cutter head of this cornish bit can be adjusted in a certain range as needed, and then adapt it to the slagging-off range bigger than small set inside diameter ranges, ensure that the quality and efficiency of slagging-off operation.
Description
Technical field
It removes the gred the present invention relates to a kind of blast furnace and clears up cutter, especially a kind of air port floating cornish bit and application method.
Background technique
Air port is the air supply device of blast furnace indispensability, generally by covering greatly, middle set and small set form, each windband, especially small set
Need to be replaced frequently, since the burnings such as ore, coke produce a large amount of slag in blast furnace, slag be pasted onto small set inner wall and
Difficulty is brought to the disassembly and installation of small set in front end, and existing dismounting windband operation is substantially completed by personnel, by small set
The slag of end face is removed, it is necessary to cutter be passed through the lesser small set inner hole of diameter, then remove the slag of small set end face, and needed
Clear away slag hole diameter range it is bigger than small set internal diameter, if using regular length knife handle come band cutting blade carry out slag it is clear
Except when, can not just dispose the slag greater than small set inside diameter ranges.Therefore, it is necessary to develop a kind of floating applied to air port slagging-off
Cornish bit guarantees that its range that removes the gred can be adjusted as needed.
Summary of the invention
Technical problem to be solved by the invention is to provide floating cornish bit and application method, the cutter head of this cornish bit can
It is adjusted in a certain range as needed, and then adapts it to the slagging-off range bigger than small set inside diameter ranges, ensure that
The quality and efficiency of slagging-off operation.
In order to realize above-mentioned technical characteristic, the object of the present invention is achieved like this: floating cornish bit, it includes operator
Body, the overhanging column internal engagement of the scalpel body are equipped with return piston structure, and the return piston structure passes through sealing guiding
Structure limit is fixed on inside overhanging column, and the return piston structure is matched with piston rod, and the end of the piston rod passes through
Blade mounting base is fixedly installed with the blade for slagging-off.
The scalpel body includes cutter hub connecting column, and for matching with transmission shaft is machined on the cutter hub connecting column
One threaded post, the bottom of the cutter hub connecting column have been uniformly arranged multiple overhanging columns；The center of the cutter hub connecting column is machined with
Vertical axial direction oilhole, horizontal axis oilhole of the vertical axial oilhole with processing in overhanging column center, which mutually passes through, to be connected to.
The return piston structure includes plunger shaft, and the plunger shaft processing is in the center of overhanging column, the piston
Intracavitary portion is fitted with piston, and the outer cover of the piston is equipped with sealing ring, the horizontal axis of the plunger shaft and scalpel body
Oilhole is connected, and the end face of the piston is fixedly installed with piston rod, and the upper cover of piston rod is equipped with reset spring, the reset
The other end of spring is in contact cooperation with the sealing guide frame for being mounted on overhanging styletable head.
The threaded shaft section for matching with blade mounting base is machined on the piston rod, the threaded shaft section passes through square
Shape shaft part is connected with optical axis section transition, and the end of the optical axis section is fixedly linked with piston, is machined with and is used in the optical axis section
The guide key groove matched with sealing guide frame.
The sealing guide frame includes the wear-resisting splicing sleeve being sleeved on outside piston rod, and the wear-resisting splicing sleeve passes through end
Lid is fixed on the end of overhanging column, and the inside of the wear-resisting splicing sleeve is fixedly installed with feather key by feather key mounting groove, institute
Feather key is stated to be slidably matched with the guide key groove composition on piston rod.
The blade mounting base includes blade bearing main body, and the end machining of the blade bearing main body has blade installation slot,
One end center of blade bearing main body is machined with piston rod mounting hole, the threaded shaft section of the piston rod mounting hole and piston rod
Cooperation is connected.
The blade uses carbide chip, and is fixed on the blade installation slot of blade mounting base by welding machine.
The vertical axial oilhole of the scalpel body is connected with hydraulic oil supply system.
The application method of floating cornish bit described in any one, he the following steps are included:
Step 1: scalpel body is connected with the transmission shaft of staving press；
Step 2: when needing to carry out reaming to tuyere small sleeve inside, piston cavity pressure oil off-load, piston rod is in reset spring
Under the action of shrink, and shunk with cutting blade so that cornish bit with minimum outer diameter by tuyere small sleeve, restart staving press, lead to
It crosses transmission shaft and drives scalpel body rotation, and then the slag inside tuyere small sleeve is purged by blade；
Step 3: when needing the major diameter range to tuyere small sleeve end to carry out slagging-off reaming, pressure is passed through into plunger shaft
Oil drives piston by pressure oil, and then drives piston rod by piston, and stretched out by piston rod band cutting blade, restarts expansion
Hole machine, by transmission shaft drive scalpel body rotation, and then by blade to the slag within the scope of the large scale of tuyere small sleeve end into
Row is removed；
Step 4: when reaming is completed, hydraulic oil off-load, blade is shunk under the action of reset spring, and cornish bit is retracted.
The method have the advantages that:
1, by using the cornish bit of above structure, it can be used to the slags in air port in blast-furnace equipment to remove operation, use
Cheng Zhong, by scalpel body can the overhanging column of synchronous drive, then piston rod driven by overhanging column, and there is piston rod to drive its end
Blade mounting base and blade are rotated, and then carry out rotation slagging-off operation to air port, and by using above-mentioned reset
Piston structure can control the stretching of piston rod, and then control the stretching or retraction of blade, and then adapt to removing for variable diameter region
Slag ream operation ensure that the effect of slagging-off.
2, by the scalpel body of above structure, its one side can be connected with transmission shaft, on the other hand can be used for blade
Installation, and then ensure that scalpel body is able to drive blade and rotate and then realize slagging-off.In operation process, pass through vertical axes
Will go into horizontal axis oilhole to the hydraulic oil inside oilhole, so by horizontal axis oilhole enter plunger shaft with
Piston constitutes piston cooperation.
3, by above-mentioned return piston structure, it can be used in the stretching or retraction that drive piston rod, and then can
It is enough in the hole slagging-off operation for adapting to different inner diameters, when needing to stretch out blade, by injecting hydraulic oil inside plunger shaft,
Piston is driven by hydraulic oil again, and then drives piston rod to stretch out by piston；When needing to retract, hydraulic oil is unloaded, at this time
Piston will retract under action of reset spring along plunger shaft.
4, guiding can be played the role of to piston rod by the sealing guide frame of above structure, ensure that its edge always
The axial movement of overhanging column, without rotating；Blade mounting base is also prevented simultaneously to rotate in slag removal.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is A-A cross-sectional view in Fig. 1 of the invention.
Fig. 3 is the schematic diagram of the present invention in use.
In figure: blade 1, blade mounting base 2, piston rod 3, sealing guide frame 4, scalpel body 5, return piston structure 6, to
Clear away slag area 7, tuyere small sleeve 8, transmission shaft 9；
Blade bearing main body 201, blade installation slot 202, piston rod mounting hole 203；
Threaded shaft section 301, rectangle shaft part 302, guide key groove 303, optical axis section 304；
First threaded post 501, vertical axial oilhole 502, cutter hub connecting column 503, horizontal axis oilhole 504, overhanging column 505；
Reset spring 601, piston 602, sealing ring 603, plunger shaft 604.
B: contraction state figure；C: overhanging state diagram.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
Embodiment 1:
Referring to Fig. 1-3, floating cornish bit, it includes scalpel body 5, and 505 internal engagement of overhanging column of the scalpel body 5 is equipped with multiple
Position piston structure 6, the return piston structure 6 is fixed on inside overhanging column 505 by the sealing limit of guide frame 4, described multiple
Position piston structure 6 is matched with piston rod 3, and the end of the piston rod 3 is fixedly installed with by blade mounting base 2 for removing the gred
Blade 1.By using the cornish bit of above structure it can be used to the slag removing operation in air port in blast-furnace equipment, using
In the process, by scalpel body 5 can the overhanging column 505 of synchronous drive, then piston rod 3 driven by overhanging column 505, and has piston rod 3
The blade mounting base 2 and blade 1 for driving its end are rotated, and then carry out rotation slagging-off operation to air port, and pass through
The stretching of piston rod 3 can be controlled using above-mentioned return piston structure 6, and then controls the stretching or retraction of blade 1, in turn
The slagging-off ream operation for adapting to variable diameter region, ensure that the effect of slagging-off.
Further, the scalpel body 5 includes cutter hub connecting column 503, be machined on the cutter hub connecting column 503 for and
The first threaded post 501 that transmission shaft 9 matches, the bottom of the cutter hub connecting column 503 have been uniformly arranged multiple overhanging columns 505；
The center of the cutter hub connecting column 503 is machined with vertical axial oilhole 502, and the vertical axial oilhole 503 is with processing overhanging
504 phase of horizontal axis oilhole of 505 center of column passes through connection.By the scalpel body 5 of above structure, its one side can be with biography
Moving axis 9 is connected, and on the other hand can be used for the installation of blade, and then ensure that scalpel body 5 is able to drive blade 1 and is rotated into
And realize slagging-off.In operation process, horizontal axis oilhole will go by the hydraulic oil inside vertical axial oilhole 502
504, and then plunger shaft 604 is entered by horizontal axis oilhole 504 and constitutes piston cooperation with piston 602.
Further, the return piston structure 6 includes plunger shaft 604, and the processing of plunger shaft 604 is in overhanging column 505
Center, 604 internal engagement of plunger shaft is equipped with piston 602, and the outer cover of the piston 602 is equipped with sealing ring
603, the plunger shaft 604 is connected with the horizontal axis oilhole 504 of scalpel body 5, and the end face of the piston 602 is fixedly installed with
Piston rod 3, is set with reset spring 601 on the piston rod 3, the other end of the reset spring 601 and is mounted on overhanging column
The sealing guide frame 4 of 505 ends is in contact cooperation.By above-mentioned return piston structure 6, can be used in driving piston rod 3
Stretching or retraction, and then can be used to adapt to different inner diameters hole slagging-off operation, when needing to stretch out blade, lead to
It crosses to the inside of plunger shaft 604 and injects hydraulic oil, then piston 602 is driven by hydraulic oil, and then piston rod 3 is driven by piston 602
It stretches out；When needing to retract, hydraulic oil is unloaded, piston will contract under the effect of reset spring 601 along plunger shaft 604 at this time
It returns.
Further, the threaded shaft section 301 for matching with blade mounting base 2 is machined on the piston rod 3, it is described
Threaded shaft section 301 is connected by rectangle shaft part 302 with 304 transition of optical axis section, and the end of the optical axis section 304 and piston 602 are solid
It is fixed to be connected, the guide key groove 303 for matching with sealing guide frame 4 is machined in the optical axis section 304.Pass through above-mentioned knot
The piston rod 3 of structure can be used in installing blade mounting base 2, and then be used for the installation of blade.
Further, the sealing guide frame 4 includes the wear-resisting splicing sleeve 402 being sleeved on outside piston rod 3, described resistance to
Mill splicing sleeve 402 is fixed on the end of overhanging column 505 by end cap 403, and the inside of the wear-resisting splicing sleeve 402 passes through feather key
Mounting groove 404 is fixedly installed with feather key 401, and the feather key 401 constitutes sliding with the guide key groove 303 on piston rod 3 and matches
It closes.It can play the role of guiding to piston rod 3 by the sealing guide frame 4 of above structure, ensure that it always along outer
The axial movement of column 505 is stretched, without rotating；Blade mounting base 2 is also prevented simultaneously to rotate in slag removal.
Further, the blade mounting base 2 includes blade bearing main body 201, the end machining of the blade bearing main body 201
There is blade installation slot 202, is machined with piston rod mounting hole 203, the piston rod in one end center of blade bearing main body 201
Mounting hole 203 is connected with the cooperation of the threaded shaft section 301 of piston rod 3.It can be used in blade by the blade mounting base 2 of above structure
1 installation.
Further, the blade 1 uses carbide chip, and the blade of blade mounting base 2 is fixed on by welding machine
On mounting groove 202.Wear-resisting effect can be played by above-mentioned carbide chip, and then is effectively extended it and used the longevity
Life.It ensure that slagging-off quality simultaneously.
Further, the vertical axial oilhole 502 of the scalpel body 5 is connected with hydraulic oil supply system.Pass through above structure
Hydraulic oil supply system can drive the stretching of piston rod 3, and then change the diameter of reaming.
Further, the blade 1 includes a variety of different specifications, and then adapts to the slagging-off operation of different type slag,
And 1 out reach of blade changes according to the oil pressure of the hydraulic oil of design and is floated.
Further, the quantity of the overhanging column 505 has multiple.
Embodiment 2:
The application method of floating cornish bit described in any one, he the following steps are included:
Step 1: scalpel body 5 is connected with the transmission shaft 9 of staving press；
Step 2: when needing to reaming is carried out inside tuyere small sleeve 8, pressure oil off-load in plunger shaft 604, piston rod 3 is multiple
It shrinks under the action of the spring 601 of position, and is shunk with cutting blade 1, so that cornish bit passes through tuyere small sleeve 8 with minimum outer diameter, then opened
Dynamic staving press drives scalpel body 5 to rotate by transmission shaft 9, and then clear to the slag progress inside tuyere small sleeve 8 by blade 1
It removes；
Step 3: it when needing the major diameter range to 8 end of tuyere small sleeve to carry out slagging-off reaming, is passed through into plunger shaft 604
Pressure oil drives piston 602 by pressure oil, and then drives piston rod 3 by piston 602, and by piston rod 3 with cutting blade 1
It stretches out, restarts staving press, drive scalpel body 5 to rotate by transmission shaft 9, and then by blade 1 to the big ruler in 8 end of tuyere small sleeve
Slag in very little range is purged；
Step 4: when reaming is completed, hydraulic oil off-load, blade 1 is shunk under the action of reset spring 601, and cornish bit is retracted.
Structure in this example is only that the illustration and explanation for claim are not answered in order to mass reading understanding
It is considered as the limitation for claim, the range and legal equivalent feature that protection scope of the present invention should be recorded with claim are
It is quasi-.
Claims (9)
1. floating cornish bit, it is characterised in that: it includes scalpel body (5), is matched inside the overhanging column (505) of the scalpel body (5)
Conjunction is equipped with return piston structure (6), and the return piston structure (6) is fixed on overhanging by sealing guide frame (4) limit
Column (505) is internal, and the return piston structure (6) matches with piston rod (3), and the end of the piston rod (3) passes through blade
Mounting base (2) is fixedly installed with the blade (1) for slagging-off.
2. floating cornish bit according to claim 1, it is characterised in that: the scalpel body (5) includes cutter hub connecting column
(503), the first threaded post (501) for matching with transmission shaft (9) is machined on the cutter hub connecting column (503), it is described
The bottom of cutter hub connecting column (503) has been uniformly arranged multiple overhanging columns (505)；The center of the cutter hub connecting column (503) processes
There are vertical axial oilhole (502), the vertical axial oilhole (503) and processing in the trunnion axis of overhanging column (505) center
Connection is mutually passed through to oilhole (504).
3. floating cornish bit according to claim 1, it is characterised in that: the return piston structure (6) includes plunger shaft
(604), plunger shaft (604) processing is in the center of overhanging column (505), plunger shaft (604) the internal engagement installation
Have piston (602), the outer cover of the piston (602) is equipped with sealing ring (603), the plunger shaft (604) and scalpel body (5)
Horizontal axis oilhole (504) is connected, and the end face of the piston (602) is fixedly installed with piston rod (3), the piston rod (3)
On be set with reset spring (601), the other end of the reset spring (601) and the sealing for being mounted on overhanging column (505) end
Guide frame (4) is in contact cooperation.
4. floating cornish bit according to claim 1 or 3, it is characterised in that: be machined on the piston rod (3) for and
The threaded shaft section (301) that blade mounting base (2) matches, the threaded shaft section (301) pass through rectangle shaft part (302) and optical axis section
(304) transition is connected, and end and the piston (602) of the optical axis section (304) are fixedly linked, and process on the optical axis section (304)
Have and is used for and seals the guide key groove (303) that guide frame (4) matches.
5. floating cornish bit according to claim 1 or 3, it is characterised in that: the sealing guide frame (4) includes suit
In the external wear-resisting splicing sleeve (402) of piston rod (3), the wear-resisting splicing sleeve (402) is fixed on overhanging column by end cap (403)
(505) inside of end, the wear-resisting splicing sleeve (402) is fixedly installed with feather key by feather key mounting groove (404)
(401), the feather key (401) is slidably matched with guide key groove (303) composition on piston rod (3).
6. floating cornish bit according to claim 1, it is characterised in that: the blade mounting base (2) includes blade bearing master
The end machining of body (201), the blade bearing main body (201) has blade installation slot (202), the one of blade bearing main body (201)
End center is machined with piston rod mounting hole (203), the threaded shaft section of the piston rod mounting hole (203) and piston rod (3)
(301) cooperation is connected.
7. floating cornish bit according to claim 1, it is characterised in that: the blade (1) uses carbide chip, and
It is fixed on the blade installation slot (202) of blade mounting base (2) by welding machine.
8. floating cornish bit according to claim 1, it is characterised in that: the vertical axial oilhole of the scalpel body (5)
(502) it is connected with hydraulic oil supply system.
9. the application method of floating cornish bit described in claim 1-8 any one, it is characterised in that he the following steps are included:
Step 1: scalpel body (5) is connected with the transmission shaft (9) of staving press；
Step 2: when needing to reaming is carried out inside tuyere small sleeve (8), the interior pressure oil off-load of plunger shaft (604), piston rod
(3) it shrinks under the action of reset spring (601), and is shunk with cutting blade (1), so that cornish bit passes through air port with minimum outer diameter
Small set (8), restarts staving press, drives scalpel body (5) rotation by transmission shaft (9), and then by blade (1) to tuyere small sleeve
(8) internal slag is purged；
Step 3: when needing the major diameter range to tuyere small sleeve (8) end to carry out slagging-off reaming, into plunger shaft (604)
It is passed through pressure oil, piston (602) are driven by pressure oil, and then by piston (602) driving piston rod (3), and by piston rod
(3) band cutting blade (1) stretches out, and restarts staving press, drives scalpel body (5) rotation by transmission shaft (9), and then pass through blade
(1) slag within the scope of the large scale of tuyere small sleeve (8) end is purged；
Step 4: when reaming is completed, hydraulic oil off-load, blade (1) is shunk under the action of reset spring (601), cornish bit
It retracts.
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910532461.6A CN110238136B (en) | 2019-06-19 | 2019-06-19 | Floating reamer and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110238136A true CN110238136A (en) | 2019-09-17 |
| CN110238136B CN110238136B (en) | 2023-09-05 |
Family
ID=67888187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910532461.6A Active CN110238136B (en) | 2019-06-19 | 2019-06-19 | Floating reamer and use method |
Country Status (1)
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| CN (1) | CN110238136B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113231700A (en) * | 2021-04-29 | 2021-08-10 | 张飞 | Threading machine die teeth mechanism for construction |
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