CN108504817A - A kind of converter hanging structure and its assembly and disassembly methods - Google Patents
A kind of converter hanging structure and its assembly and disassembly methods Download PDFInfo
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- CN108504817A CN108504817A CN201810385624.8A CN201810385624A CN108504817A CN 108504817 A CN108504817 A CN 108504817A CN 201810385624 A CN201810385624 A CN 201810385624A CN 108504817 A CN108504817 A CN 108504817A
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- axis pin
- straight tube
- hanging structure
- furnace shell
- dummy shaft
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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
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- Manufacturing & Machinery (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a kind of converter hanging structure and its assembly and disassembly methods, including furnace shell lifting lug, the corresponding side for penetrating axis pin is fixedly installed auxiliary device on furnace shell lifting lug, and auxiliary device includes that compatible with the outer diameter of axis pin can be oriented to straight tube, dummy shaft corresponding with axis pin size and be arranged in the lifting body being oriented in straight tube；The axle center for being oriented to the inner ring of the axle center oscillating bearing corresponding on furnace shell lifting lug of straight tube overlaps, and is oriented to the notch for being provided at the top of straight tube and radially cutting off half, is oriented to the side far from furnace shell lifting lug in straight tube and is provided with limit stops；Dummy shaft and axis pin can be put by notch to be oriented in straight tube；The bottom end of lifting body can be abutted against with limit stops；In addition, backing ring lifting lug corresponding position may also set up similar auxiliary device.Above-mentioned converter hanging structure and its corresponding assembly and disassembly methods avoid and adjust the position of furnace shell when axis pin installation repeatedly and look for the convenience of the maintenance maintenance for greatly improving converter hanging structure with one heart.
Description
Technical field
The present invention relates to metallurgical equipment maintenance technology field more particularly to a kind of converter hanging structures and its assembly and disassembly methods.
Background technology
Converter hanging is that the primary structure of connection and fixed furnace shell and backing ring is provided on furnace shell 1 as depicted in figs. 1 and 2
The furnace shell lifting lug 2 arranged vertically is provided with the backing ring lifting lug 4 arranged vertically on backing ring 3, and furnace shell lifting lug 2 and backing ring lifting lug 4 pass through
Connecting rod 5 connects, and the both ends of connecting rod 5 are connect by axis pin 6 with furnace shell lifting lug 2 and backing ring lifting lug 4 respectively, and furnace shell lifting lug 2, backing ring
On lifting lug 4 and connecting rod 5 corresponding oscillating bearing is both provided in the corresponding through-hole for penetrating axis pin.
Although the structure of above-mentioned converter hanging disclosure satisfy that daily production requirement, but maintenance maintenance is inconvenient.Cause
Oscillating bearing for converter hanging often needs to replace, and in replacement process, it is desirable that the center line of three oscillating bearings is as possible
Axis pin could be penetrated to three oscillating bearings on the same line, since axis pin and three oscillating bearing cooperations are general all very tight,
The position that furnace shell need to be adjusted when returning dress repeatedly is looked for one heart, and installation is inconvenient, and is worked as and worn three joint shafts during axis pin
The inner ring held will produce displacement up and down, while axis pin is generally all heavier, and lifting, device to hole and the jacking process of axis pin are required for
It is fitted close, control is inconvenient, and assembly is very time-consuming.
In conclusion how to solve the problems, such as that the maintenance maintenance of converter hanging structure is inconvenient, it has also become art technology
Personnel's technical barrier urgently to be resolved hurrily.
Invention content
The object of the present invention is to provide a kind of converter hanging structure and its assembly and disassembly methods, to improve the dimension of converter hanging structure
Repair the convenience of maintenance.
To achieve the goals above, the present invention provides a kind of converter hanging structure, including furnace shell lifting lug, the furnace shell is hung
The corresponding side for penetrating axis pin is fixedly installed auxiliary device on ear, and the auxiliary device includes can be with the outer diameter of the axis pin
It is compatible to be oriented to straight tube, dummy shaft corresponding with the axis pin size and the lifting body being arranged in the guiding straight tube；
The axle center for being oriented to straight tube is overlapped with the axle center of the inner ring of corresponding oscillating bearing on the furnace shell lifting lug, described
It is oriented to the notch for being provided at the top of straight tube and radially cutting off half, it is described to be oriented to the side far from the furnace shell lifting lug in straight tube
It is provided with limit stops；
The dummy shaft and the axis pin can be put into the guiding straight tube by the notch；
The bottom end of the lifting body can be abutted against with the limit stops.
Preferably, the limit stops include being located at the end plate of the end for being oriented to straight tube.
Preferably, the limit stops further include the controllable register for being abutted against with the bottom of the lifting body, institute
The radial direction for stating notch is provided with pairs of groove compatible with the controllable register.
Preferably, the quantity of the pairs of groove is multiple, and is equidistantly spaced from along the axial direction for being oriented to straight tube.
Preferably, the guiding straight tube corresponds to the one end being connect with the furnace shell lifting lug and is provided with connecting flange, the company
Acting flange is bolted to connection with the furnace shell lifting lug.
Preferably, the outer diameter of the dummy shaft is smaller 2 ± 0.5mm than the outer diameter of the axis pin.
Preferably, the dummy shaft is the steel pipe that wall thickness is 10mm.
Content, above-mentioned converter hanging structure, including furnace shell lifting lug are introduced compared to background technology, correspondence is worn on furnace shell lifting lug
The side for entering axis pin is fixedly installed auxiliary device, auxiliary device include can guiding straight tube compatible with the outer diameter of axis pin,
Dummy shaft corresponding with axis pin size and the lifting body being arranged in guiding straight tube；It is oriented on axle center and the furnace shell lifting lug of straight tube
The axle center of the inner ring of corresponding oscillating bearing overlaps, and is oriented to the notch for being provided at the top of straight tube and radially cutting off half, is oriented to
Side far from furnace shell lifting lug in straight tube is provided with limit stops；Dummy shaft and axis pin can be put into guiding straight tube by notch
It is interior；The bottom end of lifting body can be abutted against with limit stops.Above-mentioned converter hanging structure passes through in actual use
Lifting body ejects old axis pin, then can be replaced to corresponding oscillating bearing, complete the replacement of oscillating bearing simultaneously
It after adjusting concentricity, is oriented in straight tube dummy shaft to be put into, is headed into dummy shaft in oscillating bearing using lifting body, due to being oriented to
The axle center of straight tube is overlapped with the axle center of the inner ring of corresponding oscillating bearing, and then dummy shaft can be played to the concentric fixed of oscillating bearing
New axis pin is put into is oriented in straight tube at this time by position again, is exerted a force to new axis pin using lifting body, and then axis pin is made slowly will
Dummy shaft ejects, and axis pin can be installed smoothly to the position of needs.The position of furnace shell is adjusted repeatedly when avoiding axis pin installation to look for
With one heart, and oscillating bearing inner ring is not allowed to be also easy to produce upper and lower displacement by the positioning action for penetrating dummy shaft, so that axis pin installation is more
Add smooth, greatly improves the convenience of the maintenance maintenance of converter hanging structure.
In addition the present invention also provides a kind of assembly and disassembly methods of converter hanging structure, this method is suitable for above-mentioned corresponding furnace shell
Converter hanging structure described in the either a program of axis pin at lifting lug, including step：
Step S10：Furnace shell is jacked up and positioning is supported to the furnace shell and backing ring, makes axis pin not by oscillating bearing
Active force, while the furnace shell being avoided to be relatively moved with the backing ring；
Step S20：Old axis pin is ejected using the lifting body in the auxiliary device；
Step S30：Remove old oscillating bearing；
Step S40：And new oscillating bearing is installed in place；
Step S50：Adjust the concentricity of oscillating bearing；
Step S60：Dummy shaft is put into the guiding straight tube, the dummy shaft is headed into new institute using the lifting body
It states in oscillating bearing and after being installed in place, checks the inclined of oscillating bearing fit clearance up and down corresponding with the dummy shaft
Difference whether within a preset range, if deviation is adjusted not in the preset range after reaching the preset range
Into in next step, if in the preset range, it is directly entered in next step；
Step S70：New axis pin is put into the guiding straight tube, is exerted a force to the axis pin using the lifting body,
The axis pin is set slowly to eject the dummy shaft, until axis pin is installed in place.
Due to the assembly and disassembly methods of above-mentioned converter hanging structure, inherits above-mentioned converter hanging structure and correspond to pin at furnace shell lifting lug
Axis installs principle, and since above-mentioned converter hanging structure has above-mentioned technique effect, this method should also have corresponding skill
Art effect, details are not described herein.
Preferably, further include step S31 between the step S30 and the step S40：Check the furnace shell lifting lug and
In the oscillating bearing mounting hole of respective link whether jagged and sundries, cleared up if having, polish after entering step
S40；It is directly entered step S40 if nothing.
Preferably, further include step S51 between the step S50 and the step S60：To the converter hanging structure
Connecting rod positioned, to generate displacement after preventing stress.
Preferably, further include step S61 between the step S60 and the step S70：In new axis pin to be penetrated
Upper coating lubricating oil.
In addition, the present invention also provides a kind of converter hanging structure, including backing ring lifting lug, correspondence is worn on the backing ring lifting lug
The side for entering axis pin is fixedly installed auxiliary device, and the auxiliary device includes that compatible with the outer diameter of the axis pin can lead
To straight tube, dummy shaft corresponding with the axis pin size and be arranged it is described guiding straight tube in lifting body；
The axle center for being oriented to straight tube is overlapped with the axle center of the inner ring of corresponding oscillating bearing on the backing ring lifting lug, described
It is oriented to the notch for being provided at the top of straight tube and radially cutting off half, it is described to be oriented to the side far from the backing ring lifting lug in straight tube
It is provided with limit stops；
The dummy shaft and the axis pin can be put into the guiding straight tube by the notch；
The bottom end of the lifting body can be abutted against with the limit stops.
Preferably, the limit stops include being located at the end plate of the end for being oriented to straight tube.
Preferably, the limit stops further include the controllable register for being abutted against with the bottom of the lifting body, institute
The radial direction for stating notch is provided with pairs of groove compatible with the controllable register.
Preferably, the quantity of the pairs of groove is multiple, and is equidistantly spaced from along the axial direction for being oriented to straight tube.
Preferably, the guiding straight tube corresponds to the one end being connect with the backing ring lifting lug and is provided with connecting flange, the company
Acting flange is bolted to connection with the backing ring lifting lug.
Preferably, the outer diameter of the dummy shaft is smaller 2 ± 0.5mm than the outer diameter of the axis pin.
Preferably, the dummy shaft is the steel pipe that wall thickness is 10mm.
Above-mentioned converter hanging structure, corresponds to the axis pin installation at backing ring lifting lug and the axis pin at above-mentioned corresponding furnace shell lifting lug is pacified
It is identical to fill principle, therefore should also have corresponding technique effect, details are not described herein.
In addition, the present invention also provides a kind of assembly and disassembly methods of converter hanging structure, this method is suitable for above-mentioned corresponding support
Enclose converter hanging structure described in the either a program of axis pin at lifting lug, including step：
Step S10：Furnace shell is jacked up and positioning is supported to the furnace shell and backing ring, makes axis pin not by oscillating bearing
Active force, while the furnace shell being avoided to be relatively moved with the backing ring；
Step S20：Old axis pin is ejected using the lifting body in the auxiliary device；
Step S30：Remove old oscillating bearing；
Step S40：And new oscillating bearing is installed in place；
Step S50：Adjust the concentricity of oscillating bearing；
Step S60：Dummy shaft is put into the guiding straight tube, the dummy shaft is headed into new institute using the lifting body
It states in oscillating bearing and after being installed in place, checks the inclined of oscillating bearing fit clearance up and down corresponding with the dummy shaft
Difference whether within a preset range, if deviation is adjusted not in the preset range after reaching the preset range
Into in next step, if in the preset range, it is directly entered in next step；
Step S70：New axis pin is put into the guiding straight tube, is exerted a force to the axis pin using the lifting body,
The axis pin is set slowly to eject the dummy shaft, until axis pin is installed in place.
Preferably, further include step S31 between the step S30 and the step S40：Check the backing ring lifting lug and
In the oscillating bearing mounting hole of respective link whether jagged and sundries, cleared up if having, polish after entering step
S40；It is directly entered step S40 if nothing.
Preferably, further include step S51 between the step S50 and the step S60：To the converter hanging structure
Connecting rod positioned, to generate displacement after preventing stress.
Preferably, further include step S61 between the step S60 and the step S70：In new axis pin to be penetrated
Upper coating lubricating oil.
Due to the assembly and disassembly methods of above-mentioned converter hanging structure, inherits above-mentioned converter hanging structure and correspond to pin at backing ring lifting lug
The installation principle of axis, and since above-mentioned converter hanging structure has above-mentioned technique effect, this method should also have corresponding
Technique effect, details are not described herein.
Description of the drawings
Fig. 1 is the schematic diagram of existing converter hanging structure；
Fig. 2 is the A-A schematic cross-sectional views of Fig. 1；
Fig. 3 is the mounting structure schematic diagram of axis pin at the furnace shell lifting lug of converter hanging structure provided in an embodiment of the present invention；
Fig. 4 is the mounting structure schematic diagram of axis pin at the backing ring lifting lug of converter hanging structure provided in an embodiment of the present invention.
In figure 1 above-Fig. 4,
Furnace shell 1, backing ring 3, backing ring lifting lug 4, connecting rod 5, axis pin 6, is oriented to straight tube 7, dummy shaft 8, lifting body at furnace shell lifting lug 2
9, end plate 10, pairs of groove 11, connecting flange 12.
Specific implementation mode
Core of the invention is to provide a kind of converter hanging structure and its assembly and disassembly methods, to improve the dimension of converter hanging structure
Repair the convenience of maintenance.
In order to make those skilled in the art more fully understand technical solution provided by the invention, below in conjunction with attached drawing and
The present invention is described in further detail for specific embodiment.
As shown in Figure 3 and Figure 4, a kind of converter hanging structure provided in an embodiment of the present invention, including furnace shell lifting lug 2, furnace shell
The corresponding side for penetrating axis pin 6 is fixedly installed auxiliary device on lifting lug 2, and auxiliary device includes can be with the outer diameter phase of axis pin 6
Guiding straight tube 7, dummy shaft 8 corresponding with 6 size of axis pin and the lifting body 9 being arranged in guiding straight tube 7 of adaptation；It is oriented to straight
The axle center of the inner ring of the axle center of pipe 7 oscillating bearing corresponding on furnace shell lifting lug 2 overlaps, and the top for being oriented to straight tube 7 is provided with edge
The notch of radial excision half is oriented to the side far from furnace shell lifting lug 2 in straight tube 7 and is provided with limit stops；Dummy shaft 8 and axis pin 6
It can be put into and be oriented in straight tube 7 by notch；The bottom end of lifting body 9 can be abutted against with limit stops.
Above-mentioned converter hanging structure is ejected old axis pin by lifting body, then in actual use
Corresponding oscillating bearing is replaced, it is straight dummy shaft is put into guiding after completing the replacement of oscillating bearing and adjusting concentricity
In pipe, dummy shaft is headed into oscillating bearing using lifting body, due to be oriented to straight tube axle center in corresponding oscillating bearing
The axle center of circle overlaps, and then dummy shaft can play the concentric locating to oscillating bearing, and new axis pin is put into guiding directly again at this time
In pipe, exerted a force to new axis pin using lifting body, and then axis pin is made slowly to eject dummy shaft, axis pin can smoothly install to
The position needed.The position of furnace shell is adjusted repeatedly when avoiding axis pin installation to look for one heart, and oscillating bearing inner ring is penetrated dummy shaft
Positioning action do not allow to be also easy to produce upper and lower displacement so that axis pin installation it is more smooth, greatly improve converter hanging structure
Maintenance maintenance convenience.
In some specific embodiments, the structure type of above-mentioned limit stops can include positioned at guiding straight tube 7
End end plate 10, lifting body is limited by the end plate；And limit stops can also include for jacking
The radial direction of the controllable register that the bottom of mechanism 9 abuts against, notch is provided with pairs of groove compatible with controllable register 11.Pass through
Controllable register, which is arranged, can adjust the jacking depth of lifting body, thus greatly reduce the requirement to lifting body.Certain volume
It is understood that above-mentioned is only citing of the present invention for limit stops, it can also be that those skilled in the art are normal
Other position limiting structures, for example, position-limitting pin mode etc..
In some more particular embodiments, the quantity of above-mentioned pairs of groove 11 is generally multiple, such as 3 or 2,
Again or three or more, and along be oriented to straight tube 7 axial direction be equidistantly spaced from.It can be according to actual demand by above-mentioned be arranged such that
The initial jacking position of lifting body is adjusted.What needs to be explained here is that pairs of groove here refers to straight along being oriented to
Symmetrical 2 recesses that the radial direction of pipe is formed with notch both sides are known as a pairs of groove.
It is further to note that in general, above-mentioned guiding straight tube 7 corresponds to one end setting being connect with furnace shell lifting lug 2
There are connecting flange 12, connecting flange 12 to be bolted to connection with furnace shell lifting lug 2.To be oriented to directly by the way that connecting flange is arranged
Pipe connect with furnace shell lifting lug it is more convenient, it is readily replaceable after damage.Of course, it should be understood that the connection side of above-mentioned connecting flange
Formula is only the preferable examples of the embodiment of the present invention, can also be other common sides of being fixedly connected of those skilled in the art
Formula, such as the mode etc. welded, the mode only welded, maintenance maintenance is inconvenient after damage.
In addition, in general, the outer diameter of dummy shaft 8 is smaller 2 ± 0.5mm than the outer diameter of axis pin 6.Because of axis pin itself and joint shaft
The inner ring cooperation held is not named closely, passes through the size for being slightly less than axis pin for designing dummy shaft so that the importing of dummy shaft is more convenient
Fast.And it is the steel pipe that wall thickness is 10mm usually to choose dummy shaft 8.Of course, it should be understood that the above-mentioned size for dummy shaft
The only preferable examples of the embodiment of the present invention, can also select as the case may be in actual application it is corresponding its
His size.
In addition the present invention also provides a kind of assembly and disassembly methods of converter hanging structure, this method is suitable for above-mentioned corresponding furnace shell
Converter hanging structure described in the either a program of axis pin at lifting lug, including step：
Step S10：Furnace shell is jacked up and positioning is supported to the furnace shell and backing ring, makes axis pin not by oscillating bearing
Active force, while the furnace shell being avoided to be relatively moved with the backing ring；
Step S20：Old axis pin is ejected using the lifting body in the auxiliary device；
Step S30：Remove old oscillating bearing；
Step S40：And new oscillating bearing is installed in place；
Step S50：Adjust the concentricity of oscillating bearing；
Step S60：Dummy shaft is put into the guiding straight tube, the dummy shaft is headed into new institute using the lifting body
It states in oscillating bearing and after being installed in place, checks the inclined of oscillating bearing fit clearance up and down corresponding with the dummy shaft
Difference whether within a preset range, if deviation is adjusted not in the preset range after reaching the preset range
Into in next step, if in the preset range, it is directly entered in next step；
Step S70：New axis pin is put into the guiding straight tube, is exerted a force to the axis pin using the lifting body,
The axis pin is set slowly to eject the dummy shaft, until axis pin is installed in place.
Due to the assembly and disassembly methods of above-mentioned converter hanging structure, inherits above-mentioned converter hanging structure and correspond to pin at furnace shell lifting lug
Axis installs principle, and since above-mentioned converter hanging structure has above-mentioned technique effect, this method should also have corresponding skill
Art effect, details are not described herein.
Can also include step S31 between step S30 and step S40 in some specific embodiments：Check stove
In shell lifting lug and the oscillating bearing mounting hole of respective link whether jagged and sundries, cleared up if having, polish after into
Enter step S40；It is directly entered step S40 if nothing.
Can also include step S51 between step S50 and step S60 in further embodiment：Converter is hung
The connecting rod of structure is positioned, to generate displacement after preventing stress.
In addition, can also include step S61 between step S60 and step S70：It is smeared on new axis pin to be penetrated
Lubricating oil.
The present invention also provides a kind of converter hanging structure, including backing ring lifting lug 4, correspondence penetrates axis pin 6 on backing ring lifting lug 4
Side be fixedly installed auxiliary device, auxiliary device includes being capable of guiding straight tube 7 compatible with the outer diameter of axis pin 6 and pin
The lifting body 96 size of axis corresponding dummy shaft 8 and be arranged in guiding straight tube 7；It is oriented to axle center and the backing ring lifting lug 4 of straight tube 7
The axle center of the inner ring of upper corresponding oscillating bearing overlaps, and the top for being oriented to straight tube 7 is provided with the notch for radially cutting off half, leads
Side into straight tube 7 far from backing ring lifting lug is provided with limit stops；Dummy shaft 8 and axis pin 6 can be put into guiding by notch
In straight tube 7；The bottom end of lifting body 9 can be abutted against with limit stops.
Above-mentioned converter hanging structure, corresponds to the axis pin installation at backing ring lifting lug and the axis pin at above-mentioned corresponding furnace shell lifting lug is pacified
It is identical to fill principle, therefore should also have corresponding technique effect, details are not described herein.
In some specific embodiments, the structure type of above-mentioned limit stops can include positioned at guiding straight tube 7
End end plate 10, lifting body is limited by the end plate；And limit stops can also include for jacking
The radial direction of the controllable register that the bottom of mechanism 9 abuts against, notch is provided with pairs of groove compatible with controllable register 11.Pass through
Controllable register, which is arranged, can adjust the jacking depth of lifting body, thus greatly reduce the requirement to lifting body.Certain volume
It is understood that above-mentioned is only citing of the present invention for limit stops, it can also be that those skilled in the art are normal
Other position limiting structures, for example, position-limitting pin mode etc..
In some more particular embodiments, the quantity of above-mentioned pairs of groove 11 is generally multiple, such as 3 or 2,
Again or three or more, and along be oriented to straight tube 7 axial direction be equidistantly spaced from.It can be according to actual demand by above-mentioned be arranged such that
The initial jacking position of lifting body is adjusted.What needs to be explained here is that pairs of groove here refers to straight along being oriented to
Symmetrical 2 recesses that the radial direction of pipe is formed with notch both sides are known as a pairs of groove.
It is further to note that in general, above-mentioned guiding straight tube 7 corresponds to one end setting being connect with backing ring lifting lug 2
There are connecting flange 12, connecting flange 12 to be bolted to connection with backing ring lifting lug 2.To be oriented to directly by the way that connecting flange is arranged
Pipe connect with backing ring lifting lug it is more convenient, it is readily replaceable after damage.Of course, it should be understood that the connection side of above-mentioned connecting flange
Formula is only the preferable examples of the embodiment of the present invention, can also be other common sides of being fixedly connected of those skilled in the art
Formula, such as the mode etc. welded, the mode only welded, maintenance maintenance is inconvenient after damage.
In addition, in general, the outer diameter of dummy shaft 8 is smaller 2 ± 0.5mm than the outer diameter of axis pin 6.Because of axis pin itself and joint shaft
The inner ring cooperation held is not named closely, passes through the size for being slightly less than axis pin for designing dummy shaft so that the importing of dummy shaft is more convenient
Fast.And it is the steel pipe that wall thickness is 10mm usually to choose dummy shaft 8.Of course, it should be understood that the above-mentioned size for dummy shaft
The only preferable examples of the embodiment of the present invention, can also select as the case may be in actual application it is corresponding its
His size.
The present invention also provides the assembly and disassembly methods of another converter hanging structure, this method is suitable for above-mentioned corresponding backing ring
Converter hanging structure described in the either a program of axis pin at lifting lug, including step：
Step S10：Furnace shell is jacked up and positioning is supported to the furnace shell and backing ring, makes axis pin not by oscillating bearing
Active force, while the furnace shell being avoided to be relatively moved with the backing ring；
Step S20：Old axis pin is ejected using the lifting body in the auxiliary device；
Step S30：Remove old oscillating bearing；
Step S40：And new oscillating bearing is installed in place；
Step S50：Adjust the concentricity of oscillating bearing；
Step S60：Dummy shaft is put into the guiding straight tube, the dummy shaft is headed into new institute using the lifting body
It states in oscillating bearing and after being installed in place, checks the inclined of oscillating bearing fit clearance up and down corresponding with the dummy shaft
Difference whether within a preset range, if deviation is adjusted not in the preset range after reaching the preset range
Into in next step, if in the preset range, it is directly entered in next step；
Step S70：New axis pin is put into the guiding straight tube, is exerted a force to the axis pin using the lifting body,
The axis pin is set slowly to eject the dummy shaft, until axis pin is installed in place.
It further carries out in scheme, can also include step S31 between the step S30 and the step S40：Inspection
Look into the furnace shell lifting lug and the oscillating bearing mounting hole of respective link whether jagged and sundries, cleared up, beaten if having
S40 is being entered step after mill；It is directly entered step S40 if nothing.
Can also include step S51 between the step S50 and the step S60 in further embodiment：
The connecting rod of the converter hanging structure is positioned, to generate displacement after preventing stress.
In addition it should be noted that can also include step S61 between the step S60 and the step S70：It is waiting for
Coating lubricating oil on the new axis pin penetrated.
Due to the assembly and disassembly methods of above-mentioned converter hanging structure, inherits above-mentioned converter hanging structure and correspond to pin at backing ring lifting lug
The installation principle of axis, and since above-mentioned converter hanging structure has above-mentioned technique effect, this method should also have corresponding
Technique effect, details are not described herein.
Converter hanging structure provided by the present invention and its assembly and disassembly methods are described in detail above.It needs to illustrate
That each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts between the embodiments can be referred to each other.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that article or equipment including a series of elements include not only those elements, but also
Including other elements that are not explicitly listed, or further include for this article or the intrinsic element of equipment.Do not having
In the case of more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article for including above-mentioned element
Or there is also other identical elements in equipment.
Principle and implementation of the present invention are described for specific case used herein, and above example is said
The bright method and its core concept for being merely used to help understand the present invention.It should be pointed out that for the ordinary skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for personnel, these improvement
It is also fallen within the protection scope of the claims of the present invention with modification.
Claims (22)
1. a kind of converter hanging structure, including furnace shell lifting lug (2), which is characterized in that correspondence penetrates pin on the furnace shell lifting lug (2)
The side of axis (6) is fixedly installed auxiliary device, and the auxiliary device includes can be compatible with the outer diameter of the axis pin (6)
It is oriented to the jack of straight tube (7), dummy shaft corresponding with the axis pin (6) size (8) and setting in the guiding straight tube (7)
Structure (9)；
The axle center for being oriented to straight tube (7) is overlapped with the axle center of the inner ring of corresponding oscillating bearing on the furnace shell lifting lug (2), institute
The notch for being oriented to and being provided at the top of straight tube (7) and radially cutting off half is stated, is hung far from the furnace shell in the guiding straight tube (7)
The side of ear (2) is provided with limit stops；
The dummy shaft (8) and the axis pin (6) can be put by the notch in the guiding straight tube (7)；
The bottom end of the lifting body (9) can be abutted against with the limit stops.
2. converter hanging structure as described in claim 1, which is characterized in that the limit stops include being located at described be oriented to directly
Manage the end plate (10) of the end of (7).
3. converter hanging structure as claimed in claim 2, which is characterized in that the limit stops further include for the top
Rise the controllable register that abuts against of bottom of mechanism (9), the radial direction of the notch be provided with it is compatible with the controllable register at
To groove (11).
4. converter hanging structure as claimed in claim 3, which is characterized in that the quantity of the pairs of groove (11) be it is multiple,
And it is equidistantly spaced from along the axial direction of the guiding straight tube (7).
5. converter hanging structure as described in claim 1, which is characterized in that the guiding straight tube (7) corresponds to and the furnace shell
One end of lifting lug (2) connection is provided with connecting flange (12), and the connecting flange (12) passes through bolt with the furnace shell lifting lug (2)
It is fixedly connected.
6. the converter hanging structure as described in any one of claim 1-5, which is characterized in that the outer diameter ratio of the dummy shaft (8)
Small 2 ± the 0.5mm of outer diameter of the axis pin (6).
7. converter hanging structure as claimed in claim 6, which is characterized in that the dummy shaft (8) is the steel pipe that wall thickness is 10mm.
8. a kind of assembly and disassembly methods of converter hanging structure, which is characterized in that this method is suitable for such as any one of claim 1-7 institutes
The converter hanging structure stated, including step：
Step S10：Furnace shell is jacked up and positioning is supported to the furnace shell and backing ring, axis pin is made not acted on by oscillating bearing
Power, while the furnace shell being avoided to be relatively moved with the backing ring；
Step S20：Old axis pin is ejected using the lifting body in the auxiliary device；
Step S30：Remove old oscillating bearing；
Step S40：And new oscillating bearing is installed in place；
Step S50：Adjust the concentricity of oscillating bearing；
Step S60：Dummy shaft is put into the guiding straight tube, the dummy shaft is headed into the new pass using the lifting body
In bearings and after being installed in place, check that the oscillating bearing and the deviation of the corresponding fit clearance up and down of the dummy shaft are
It is no within a preset range, if deviation not in the preset range, is adjusted after reaching the preset range and enters
In next step, it if in the preset range, is directly entered in next step；
Step S70：New axis pin is put into the guiding straight tube, is exerted a force to the axis pin using the lifting body, makes institute
It states axis pin slowly to eject the dummy shaft, until axis pin is installed in place.
9. assembly and disassembly methods as claimed in claim 8, which is characterized in that also wrapped between the step S30 and the step S40
Include step S31：
Check in the furnace shell lifting lug and the oscillating bearing mounting hole of respective link whether jagged and sundries, carried out if having clear
S40 is being entered step after reason, polishing；It is directly entered step S40 if nothing.
10. assembly and disassembly methods as claimed in claim 9, which is characterized in that between the step S50 and the step S60 also
Including step S51：
The connecting rod of the converter hanging structure is positioned, to generate displacement after preventing stress.
11. assembly and disassembly methods as claimed in claim 10, which is characterized in that between the step S60 and the step S70 also
Including step S61：
The coating lubricating oil on new axis pin to be penetrated.
12. a kind of converter hanging structure, including backing ring lifting lug (4), which is characterized in that correspondence penetrates on the backing ring lifting lug (4)
The side of axis pin (6) is fixedly installed auxiliary device, and the auxiliary device includes that can be adapted with the outer diameter of the axis pin (6)
Jacking in guiding straight tube (7) of guiding straight tube (7), dummy shaft corresponding with the axis pin (6) size (8) and setting
Mechanism (9)；
The axle center for being oriented to straight tube (7) is overlapped with the axle center of the inner ring of corresponding oscillating bearing on the backing ring lifting lug (4), institute
The notch for being oriented to and being provided at the top of straight tube (7) and radially cutting off half is stated, is hung far from the backing ring in the guiding straight tube (7)
The side of ear is provided with limit stops；
The dummy shaft (8) and the axis pin (6) can be put by the notch in the guiding straight tube (7)；
The bottom end of the lifting body (9) can be abutted against with the limit stops.
13. converter hanging structure as claimed in claim 12, which is characterized in that the limit stops include being located at the guiding
The end plate (10) of the end of straight tube (7).
14. converter hanging structure as claimed in claim 13, which is characterized in that the limit stops further include for it is described
The controllable register that the bottom of lifting body (9) abuts against, the radial direction of the notch are provided with compatible with the controllable register
Pairs of groove (11).
15. converter hanging structure as claimed in claim 14, which is characterized in that the quantity of the pairs of groove (11) is more
It is a, and be equidistantly spaced from along the axial direction of the guiding straight tube (7).
16. converter hanging structure as claimed in claim 12, which is characterized in that the guiding straight tube correspondence is hung with the backing ring
One end of ear (4) connection is provided with connecting flange (12), and the connecting flange (12) is solid by bolt with the backing ring lifting lug (4)
Fixed connection.
17. the converter hanging structure as described in any one of claim 12-16, which is characterized in that the outer diameter of the dummy shaft (8)
Outer diameter than the axis pin (6) is small 2 ± 0.5mm.
18. converter hanging structure as claimed in claim 17, which is characterized in that the dummy shaft (8) is the steel that wall thickness is 10mm
Pipe.
19. a kind of assembly and disassembly methods of converter hanging structure, which is characterized in that this method is suitable for as claim 12-18 is any
Converter hanging structure described in, including step：
Step S10：Furnace shell is jacked up and positioning is supported to the furnace shell and backing ring, axis pin is made not acted on by oscillating bearing
Power, while the furnace shell being avoided to be relatively moved with the backing ring；
Step S20：Old axis pin is ejected using the lifting body in the auxiliary device；
Step S30：Remove old oscillating bearing；
Step S40：And new oscillating bearing is installed in place；
Step S50：Adjust the concentricity of oscillating bearing；
Step S60：Dummy shaft is put into the guiding straight tube, the dummy shaft is headed into the new pass using the lifting body
In bearings and after being installed in place, check that the oscillating bearing and the deviation of the corresponding fit clearance up and down of the dummy shaft are
It is no within a preset range, if deviation not in the preset range, is adjusted after reaching the preset range and enters
In next step, it if in the preset range, is directly entered in next step；
Step S70：New axis pin is put into the guiding straight tube, is exerted a force to the axis pin using the lifting body, makes institute
It states axis pin slowly to eject the dummy shaft, until axis pin is installed in place.
20. assembly and disassembly methods as claimed in claim 19, which is characterized in that between the step S30 and the step S40 also
Including step S31：
Check in the backing ring lifting lug and the oscillating bearing mounting hole of respective link whether jagged and sundries, carried out if having clear
S40 is being entered step after reason, polishing；It is directly entered step S40 if nothing.
21. assembly and disassembly methods as claimed in claim 20, which is characterized in that between the step S50 and the step S60 also
Including step S51：
The connecting rod of the converter hanging structure is positioned, to generate displacement after preventing stress.
22. assembly and disassembly methods as claimed in claim 21, which is characterized in that between the step S60 and the step S70 also
Including step S61：
The coating lubricating oil on new axis pin to be penetrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385624.8A CN108504817B (en) | 2018-04-26 | 2018-04-26 | Converter hanging structure and disassembling and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385624.8A CN108504817B (en) | 2018-04-26 | 2018-04-26 | Converter hanging structure and disassembling and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108504817A true CN108504817A (en) | 2018-09-07 |
| CN108504817B CN108504817B (en) | 2020-01-03 |
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ID=63399309
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810385624.8A Active CN108504817B (en) | 2018-04-26 | 2018-04-26 | Converter hanging structure and disassembling and assembling method thereof |
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| Country | Link |
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| CN (1) | CN108504817B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08151847A (en) * | 1994-11-28 | 1996-06-11 | Comany Kk | Automatic direction changing device for moving wall |
| CN201089777Y (en) * | 2007-09-26 | 2008-07-23 | 首钢总公司 | Convertor plate-type flexible connecting device |
| CN102485919A (en) * | 2010-12-06 | 2012-06-06 | 中冶天工集团有限公司 | Method for installing dummy shaft of converter connecting rod suspension system |
| CN105499891A (en) * | 2016-02-03 | 2016-04-20 | 安徽马钢工程技术集团有限公司 | Mounting assisting device for three-point spherical bearing and mounting-welding method of mounting assisting device |
| CN107815518A (en) * | 2017-10-17 | 2018-03-20 | 德阳万达重型机械设备制造有限公司 | A kind of installation method of ball hinged supporting device for rotary furnace body |
-
2018
- 2018-04-26 CN CN201810385624.8A patent/CN108504817B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08151847A (en) * | 1994-11-28 | 1996-06-11 | Comany Kk | Automatic direction changing device for moving wall |
| CN201089777Y (en) * | 2007-09-26 | 2008-07-23 | 首钢总公司 | Convertor plate-type flexible connecting device |
| CN102485919A (en) * | 2010-12-06 | 2012-06-06 | 中冶天工集团有限公司 | Method for installing dummy shaft of converter connecting rod suspension system |
| CN105499891A (en) * | 2016-02-03 | 2016-04-20 | 安徽马钢工程技术集团有限公司 | Mounting assisting device for three-point spherical bearing and mounting-welding method of mounting assisting device |
| CN107815518A (en) * | 2017-10-17 | 2018-03-20 | 德阳万达重型机械设备制造有限公司 | A kind of installation method of ball hinged supporting device for rotary furnace body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108504817B (en) | 2020-01-03 |
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