CN108755229A - A kind of online replacing options of drying cylinder spindle nose in paper mill - Google Patents
A kind of online replacing options of drying cylinder spindle nose in paper mill Download PDFInfo
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- CN108755229A CN108755229A CN201810374552.7A CN201810374552A CN108755229A CN 108755229 A CN108755229 A CN 108755229A CN 201810374552 A CN201810374552 A CN 201810374552A CN 108755229 A CN108755229 A CN 108755229A
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- Prior art keywords
- drying cylinder
- lifting
- spindle nose
- drying
- online
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
Abstract
The invention discloses a kind of online replacing options of drying cylinder spindle nose in paper mill, in the drying portion of paper production line, unit rack and across roller installation are built into assembling holder by way of being directly socketed, lifting apparatus is placed on assembling holder, the present invention can directly replace the drying cylinder spindle nose of drying cylinder in the drying portion of paper production line, unit rack and across roller installation are built into assembling holder by way of being directly socketed, lifting apparatus by being placed in assembling holder is lifted drying cylinder, large-scale crane need not be used to hang drying cylinder and move drying portion, drying cylinder spindle nose is replaced more conveniently and quickly, it uses manpower and material resources sparingly, reduce drying cylinder spindle nose replacing construction.
Description
Technical field
The present invention relates to the drying cylinder spindle nose maintenance technology fields in paper mill, more particularly, to a kind of drying cylinder spindle nose in paper mill
Online replacing options.
Background technology
In the paper production line in paper mill, dozens of drying cylinder is installed, molding paper pulp is manufactured paper with pulp by press section by website
Obtain l Water Paper after squeezing, l Water Paper is delivered to the drying of drying portion, and drying portion is produced by tens of drying cylinders sequentially winding l Water Paper to shorten
The length of line improves heat utilization ratio, and layer 2-4 drying cylinder is vertically generally installed in drying portion, will be wet by the temperature of drying cylinder
Paper is dried.
And a diameter of 1-3 meters of drying cylinder, width be 2-4 meters, for large-scale paper production line, according to production at lateral
Lattice, the diameter of drying cylinder is about 2 meters, about 3.6 meters of width, and the volume of drying cylinder is big, and weight is also big, during the work time, is mounted on
The drying cylinder spindle nose at the both ends of drying cylinder will carry the torsion generated when all wt and the rotation of drying cylinder, the drying cylinder spindle nose of drying cylinder
Abrasion is very serious, therefore paper production line needs to be replaced frequently the drying cylinder spindle nose of drying cylinder.Current replacing options are to make
Cylinder dress is hung into drying portion with overhead traveling crane or Large-scale Hoisting equipment, drying cylinder lifting is returned into drying portion again after replacing drying cylinder spindle nose,
The replacement of drying cylinder spindle nose is very troublesome, and replacing construction is very long, and hoisting process will also avoid drying cylinder from generating collision, it is therefore necessary to
It is improved.
Invention content
In view of the deficienciess of the prior art, the drying cylinder spindle nose the object of the present invention is to provide a kind of paper mill is replaced online
Method need not use large-scale crane that drying cylinder is hung to the drying portion that moves, and drying cylinder spindle nose is replaced more conveniently and quickly, and manpower object is saved
Power reduces drying cylinder spindle nose replacing construction.
To achieve the goals above, the technical solution adopted in the present invention is：A kind of drying cylinder spindle nose in paper mill is online more
Method is changed, is included the following steps：
The online installation steps of lifting apparatus, by lifting apparatus in production line directly by the distance of drying cylinder lifting setting, lift
It includes that pedestal, lifting group and cambered surface lifting plate, lifting group are fixed on pedestal to rise device, and cambered surface lifting plate is fixed on lifting group
Top, cambered surface be lifted plate top surface be the arcwall face to match with drying cylinder roll surface, install lifting apparatus when at least in drying cylinder roller
A lifting apparatus is placed in the underface at the both ends in face respectively, and the cambered surface of lifting apparatus is made to be lifted plate close to drying cylinder roll surface,
Online installation lifting apparatus includes the steelframe installation of drying portion, hanging installation and across roller installation,
A, drying portion steelframe is installed, for there is drying portion steelframe below drying cylinder, by the drying portion of paper production line
Drying portion steelframe places a steel plate, and using steel plate as supporting surface, steel plate is located at the lower section of drying cylinder roll surface, and lift is placed on steel plate
Device is risen,
B, hanging installation hangs drying cylinder for single, drying cylinder, drying cylinder there are one only the hangs in short transverse of steelframe in drying portion
Lower section is ground, at least builds the assembling holder of a tower structure respectively on the ground of the lower section of the both sides of drying cylinder roll surface,
One steel plate of top surface tiling of holder is assembled, using steel plate as supporting surface, steel plate is located at the lower section of drying cylinder roll surface, places and lifts in steel plate
Device is risen,
C, across roller installation, for double extension drying cylinders, in drying portion, the short transverse of steelframe is hung with two drying cylinders up and down, lower section
It for drying cylinder, is first vacantly installed, an assembling holder is built below the drying cylinder of lower section, one is built again on assembling holder
A height, across roller support, is spreading a steel plate, using steel plate as supporting surface, steel plate position more than drying cylinder diameter across the top surface of roller support
In the lower section of drying cylinder roll surface, lifting apparatus is placed；
The online demounting procedure of drying cylinder spindle nose component dismantles spindle nose lock screw and mounting assembly；
Online lifting step, the lifting group for controlling the lifting apparatus below drying cylinder slowly rise, and at least make one end of drying cylinder
Drying cylinder is lifted and is fixed on setting position by the distance for moving up setting, and drying cylinder spindle nose is made to be detached from mounting base；
The online demounting procedure of drying cylinder spindle nose carries out drying cylinder spindle nose in the drying portion of paper production line and dismantles operation, by drying cylinder
The drying cylinder spindle nose at both ends disassembles；
Drying cylinder spindle nose replaces step online, drying cylinder spindle nose replacement operation is carried out in the drying portion of paper production line, in drying cylinder
Both ends new drying cylinder spindle nose is installed respectively；
It is online to decline step, after replacing drying cylinder spindle nose, under the lifting group of the lifting apparatus below control drying cylinder is slow
Drop, makes drying cylinder move down, drying cylinder spindle nose is made to enter mounting base；
Drying cylinder spindle nose installation steps install spindle nose lock screw and mounting assembly, drying cylinder spindle nose are installed in mounting base；
Tool removing step removes lifting apparatus, removes assembling holder successively from top to bottom；
It completes.
In further technical solution, the lifting apparatus is provided with hydraulic interface, and the lifting group selects hydraulic lifting
Mechanism, hydraulic interface connect hydraulicefficiency elevation structure, and hydraulicefficiency elevation structure is provided with lifting unit and multiple hydraulic lifting arms, each hydraulic pressure
The top of elevating lever is separately fixed at the bottom surface of lifting unit, and cambered surface lifting plate is fixed on lifting unit；Connected by hydraulic pipeline
Hydraulic interface is connect, the raising and lowering of lifting group is controlled by hydraulic control device.
In further technical solution, the lifting group is provided with lifting unit, driving gear and lifting and driving lead screw, described
Floor installation has motor and reduction gearing, pedestal to be rotatably installed with multiple driving gears, and motor drive connects reduction gearing, slows down
Gear is sequentially connected each driving gear respectively, and floor installation has multiple pilot holes, in each pilot hole activity be inserted with one along hanging down
The lifting and driving lead screw that histogram moves up and down, it is each that the central part of gear lifting and driving lead screw spiral corresponding with one is driven to pass
The top rotation of dynamic cooperation, lifting and driving lead screw is installed on lifting unit, and cambered surface lifting plate is fixed on lifting unit, lifting and driving
The lower part of lead screw is pierced by downwards from base end face, drives cambered surface to be lifted plate raising and lowering by lifting and driving lead screw.
In further technical solution, the top surface that plate is lifted in the cambered surface is pasted with compound buffer layer, compound buffer layer
It is to be overlapped by multiple rubber layers and sheet-metal layers are spaced, under the premise of ensureing it with enough structural strengths,
It avoids damaging drying cylinder roll surface in lifting drying cylinder process；
After placing the lifting apparatus, first controls cambered surface lifting plate and rise, so that compound buffer layer is tentatively overlayed and drying
Cylinder roll surface, and by the pressure overlayed control in 20-30KG, avoid generating shock.
In further technical solution, in the online installation steps of lifting apparatus, the assembling holder used includes
The unit racks of multiple tower structures and tower structure across roller support,
Assembling holder has the unit rack of 2-5 kind level altitude specifications, and unit rack is welded by multiple square steel
Frame, be in rectangular shape, the upper end of the surrounding of unit rack, which is provided with, is provided with to plug socket, lower end, by first
A unit rack is socketed on second unit rack, and first each of unit rack is made to be plugged on plug respectively
Second unit rack it is each in socket, realizing that fast construction assembles holder；
It is bigger 10-50cm than the diameter of drying cylinder across the height of roller support, include being welded by square steel by 2 across roller support
Square shape frame and multiple crossbeams across roller made of square steel are diagonally welded with a skewed horizontal load inside square shape frame
Bar coordinates across the both ends of roller crossbeam and the inserting of square shape frame；
When use builds assembling holder across roller support, several unit racks of inserting first are built on ground, unit rack
Apical side height is close to the lower part of drying cylinder roll surface, then the both sides that will be inserted into drying cylinder respectively across the two of roller support square shape frames, and
Plug will be inserted into across the two of roller support square shape frame lower ends the unit rack of lower section in socket, then will across roller cross
The both ends of beam are inserted into the square shape frame of drying cylinder both sides respectively, and across roller cross is respectively completed above the lower section of drying cylinder and drying cylinder
The installation of beam, to which fast construction obtains one in height across drying cylinder across roller support, drying cylinder is located at across the inside of roller support,
Finally steel plate is being placed across the top surface of roller support.
In further technical solution, the unit rack is four seamed edges using square steel as unit rack and with side
Steel as cuboid framework made of beam welding, by a beam welding fixed, adjacent by the upper end of adjacent two seamed edges
The lower end of two seamed edges is fixed by a beam welding, and is welded with oblique branch along its diagonal line in each side of unit rack
Strut；
The upper end of four seamed edges of unit rack is respectively arranged with to socket, and the lower end of four seamed edges, which is respectively welded, fixes one
It is described to plug, to plug protrusion in the bottom surface of unit rack, the upper end openings of four seamed edges be provided with it is described to socket, one
Unit rack to plug in a manner of clearance fit activity be plugged on another unit rack in socket.
In further technical solution, in the online lifting step, each lifting apparatus below same drying cylinder is controlled
Lifting group synchronizes slow rising, and drying cylinder is integrally moved up 25-35cm；
In the online decline step, the lifting group for controlling each lifting apparatus below drying cylinder synchronizes slow decline.
In further technical solution, the height across roller support is bigger 20-30cm than the diameter of drying cylinder；
The unit rack of the assembling holder with 3 kinds of level altitude specifications, the first height specification of unit rack are
5-10cm, for supplementing height, second of height specification of unit rack is 30-40cm, the third high metric of unit rack
Lattice are 50-70cm.
The invention has the advantages that compared with the prior art,：The present invention can be direct in the drying portion of paper production line
The drying cylinder spindle nose for replacing drying cylinder, is built into assembling holder by unit rack and across roller installation by way of being directly socketed, passes through
It is placed in the lifting apparatus lifting drying cylinder of assembling holder, need not use large-scale crane that drying cylinder is hung to the drying portion that moves, shifting is hung in elimination
Drying cylinder process appears in risk of collision, and drying cylinder spindle nose is replaced more conveniently and quickly, and paper production line is replaced drying cylinder spindle nose
Less down time 2/3.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the structural schematic diagram that steel plate and lifting apparatus are mounted directly in steelframe.
Fig. 3 is the present invention in double extension drying cylinder installation assembling holders and the structural schematic diagram of lifting apparatus.
In figure：1, drying cylinder 11, drying cylinder spindle nose 2, lifting apparatus 21, cambered surface lifting plate 22, pedestal 3, steel plate 31, drying portion steel
Frame 4, across roller support 5, unit rack.
Specific implementation mode
It is only below presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
A kind of online replacing options of drying cylinder spindle nose in paper mill include the following steps shown in Fig. 1 to 3：
2 online installation steps of lifting apparatus, the distance for directly being set the lifting of drying cylinder 1 in production line by lifting apparatus 2,
Lifting apparatus 2 includes that pedestal 22, lifting group and cambered surface are lifted plate 21, and lifting group is fixed on pedestal 22, and cambered surface is lifted plate 21
It is fixed on the top of lifting group, the top surface that cambered surface is lifted plate 21 is the arcwall face to match with drying cylinder roll surface, installs lifting apparatus 2
When at least place a lifting apparatus 2 respectively in the underface at the both ends of drying cylinder roll surface, and the cambered surface of lifting apparatus 2 is made to be lifted
Plate 21 is close to drying cylinder roll surface.
In 2 online installation steps of lifting apparatus, for lifting apparatus 2 lifting driving can select following two modes it
One：
In preferable embodiment, lifting apparatus 2 is provided with hydraulic interface, and lifting group selects hydraulicefficiency elevation structure, hydraulic pressure
Interface connects hydraulicefficiency elevation structure, and hydraulicefficiency elevation structure is provided with lifting unit and multiple hydraulic lifting arms, each hydraulic lifting arm
Top is separately fixed at the bottom surface of lifting unit, and cambered surface lifting plate 21 is fixed on lifting unit；Hydraulic pressure is connected by hydraulic pipeline
Interface controls the raising and lowering of lifting group by hydraulic control device.
In another preferable embodiment, lifting group is provided with lifting unit, driving gear and lifting and driving lead screw, pedestal 22
Motor and reduction gearing are installed, pedestal 22 is rotatably installed with multiple driving gears, and motor drive connects reduction gearing, reducing gear
Wheel is sequentially connected each driving gear respectively, and pedestal 22 is equipped with multiple pilot holes, in each pilot hole activity be inserted with one along hanging down
The lifting and driving lead screw that histogram moves up and down, it is each that the central part of gear lifting and driving lead screw spiral corresponding with one is driven to pass
The top rotation of dynamic cooperation, lifting and driving lead screw is installed on lifting unit, and cambered surface lifting plate 21 is fixed on lifting unit, and lifting passes
The lower part of dynamic lead screw is pierced by downwards from 22 bottom surface of pedestal, drives cambered surface to be lifted 21 raising and lowering of plate by lifting and driving lead screw.
Preferably, the top surface for being lifted plate 21 in cambered surface is pasted with compound buffer layer, compound buffer layer is by multiple rubber layers
With sheet-metal layers are spaced is overlapped, under the premise of ensureing it with enough structural strengths, avoid in lifting drying cylinder 1
Process damages drying cylinder roll surface；After placing lifting apparatus 2, first controls cambered surface lifting plate 21 and rise, keep compound buffer layer preliminary
It overlays in drying cylinder roll surface, and by the pressure overlayed control in 20-30KG, avoids generating shock.
Online installation lifting apparatus 2 includes steelframe installation, hanging installation and across roller installation,
A, steelframe is installed, and has drying portion steelframe 31 for the lower section of drying cylinder 1, by the drying in the drying portion of paper production line
Portion's steelframe 31 places a steel plate 3, is used as supporting surface, steel plate 3 to be located at the lower section of drying cylinder roll surface, placed on steel plate 3 steel plate 3
Lifting apparatus 2, shown in Fig. 1.
B, hanging installation hangs drying cylinder for single, the drying cylinder 1 there are one only the hangs in short transverse of steelframe 31 in drying portion,
1 lower section of drying cylinder is ground, at least builds the assembling branch of a tower structure respectively on the ground of the lower section of the both sides of drying cylinder roll surface
Frame regard steel plate 3 as supporting surface, steel plate 3 is located at the lower section of drying cylinder roll surface, in steel in one steel plate 3 of top surface tiling of assembling holder
Plate 3 places lifting apparatus 2.
C, across roller installation, for double extension drying cylinders, in drying portion, the short transverse of steelframe 31 is hung with two drying cylinders 1 up and down,
Lower section is drying cylinder 1, is first vacantly installed, an assembling holder is built below the drying cylinder 1 of lower section, i.e., is first taken since ground
Unit rack 5 is built, at bottom of the unit rack 5 close to drying cylinder 1, builds a height again on assembling holder more than drying cylinder
Steel plate 3 is used as supporting surface, steel plate 3 to be located at drying cylinder roller by 1 diameter across roller support 4 across the top surface of roller support 4 one steel plate 3 of paving
Lifting apparatus 2 is placed in the lower section in face；Shown in Fig. 1 and Fig. 3.
The online demounting procedure of drying cylinder spindle nose component dismantles spindle nose lock screw and mounting assembly.
The lifting group of online lifting step, the lifting apparatus 2 of 1 lower section of control drying cylinder slowly rises, and at least makes the one of drying cylinder 1
End moves up the distance of setting, and setting position is lifted and is fixed on by drying cylinder 1, and drying cylinder spindle nose 11 is made to be detached from mounting base；Preferably
, the lifting group for controlling each lifting apparatus 2 of 1 lower section of same drying cylinder synchronizes slow rising, and 1 entirety of drying cylinder is moved up 25-
35cm。
The online demounting procedure of drying cylinder spindle nose carries out drying cylinder spindle nose in the drying portion of paper production line and dismantles operation, by drying cylinder 1
The drying cylinder spindle nose 11 at both ends disassembles；
Drying cylinder spindle nose replaces step online, drying cylinder spindle nose replacement operation is carried out in the drying portion of paper production line, in drying cylinder 1
Both ends new drying cylinder spindle nose 11 is installed respectively；
Online to decline step, after replacing drying cylinder spindle nose 11, the lifting group of the lifting apparatus 2 of 1 lower section of control drying cylinder is slow
It is slow to decline, so that drying cylinder 1 is moved down, drying cylinder spindle nose 11 is made to enter mounting base；Preferably, each lifting dress of 1 lower section of control drying cylinder
The lifting group for setting 2 synchronizes slow decline, and drying cylinder 1 is made entirely to decline.
Drying cylinder spindle nose installation steps install spindle nose lock screw and mounting assembly, drying cylinder spindle nose 11 are installed on mounting base
In；
Tool removing step removes lifting apparatus 2, removes assembling holder successively from top to bottom；
It completes.
In 2 online installation steps of lifting apparatus, according to around drying cylinder 1 space and height, select the unit of dimension
It holder 5 and is socketed across roller support 4.
The assembling holder used include multiple tower structures unit rack 5 and tower structure across roller support 4,
Assembling holder has the unit rack 5 of 3 kinds of level altitude specifications, the first height specification of unit rack 5 is 5-
10cm, for supplementing height, second of height specification of unit rack 5 is 30-40cm, the third high metric of unit rack 5
Lattice are 50-70cm.
Assembling holder has a unit rack 5 of 2-5 kind level altitude specifications, unit rack 5 be welded by multiple square steel and
At frame, be in rectangular shape, the upper end of the surrounding of unit rack 5, which is provided with, is provided with to plug socket, lower end, by the
One unit rack 5 is socketed on second unit rack 5, and first each of unit rack 5 is made to distinguish plug
It is plugged on each in socket, realizing that fast construction assembles holder of second unit rack 5；Specifically, unit rack 5 be with
Square steel is as four seamed edges of unit rack 5 and using square steel as cuboid framework made of beam welding, adjacent two
The upper end of seamed edge is fixed by a beam welding, and the lower end of adjacent two seamed edges is fixed by a beam welding, and in unit
Each side of holder 5 is welded with skewed horizontal load bar along its diagonal line.
The upper end of four seamed edges of unit rack 5 is respectively arranged with to socket, and fixation is respectively welded in the lower end of four seamed edges
A pair of of plug protrudes in the bottom surface of unit rack 5 plug, and the upper end opening of four seamed edges is provided with to socket, a unit
Holder 5 to plug in a manner of clearance fit activity be plugged on another unit rack 5 in socket.
It is bigger 10-50cm than the diameter of drying cylinder 1 across the height of roller support 4, preferably, across roller support 4 height than drying cylinder 1
The big 20-30cm of diameter；Across roller support 4 include the square shape frame being welded square steel 2 and multiple made of square steel
Across roller crossbeam is diagonally welded with a skewed horizontal load bar inside square shape frame, across the both ends of roller crossbeam and square shape frame
Inserting cooperation；
When use builds assembling holder across roller support 4, first several unit racks 5 of inserting, unit rack 5 are built on ground
Apical side height close to the lower part of drying cylinder roll surface, then the two of drying cylinder 1 will be inserted into respectively across the two of roller support 4 square shape frames
Side, and plug will be inserted into across the two of roller support 4 square shape frame lower ends lower section unit rack 5 in socket, then
The square shape frame of 1 both sides of drying cylinder will be inserted into respectively across the both ends of roller crossbeam, in the lower section of drying cylinder 1 and the top of drying cylinder 1 point
The installation across roller crossbeam is not completed, and to which fast construction obtains one in height across drying cylinder 1 across roller support 4, drying cylinder 1 is located at
Across the inside of roller support 4, finally steel plate 3 is being placed across the top surface of roller support 4.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (8)
1. a kind of online replacing options of drying cylinder spindle nose in paper mill, which is characterized in that include the following steps：
Lifting apparatus (2) online installation steps, by lifting apparatus (2) production line directly by drying cylinder (1) lifting setting away from
From lifting apparatus (2) includes that pedestal (22), lifting group and cambered surface lifting plate (21), lifting group are fixed on pedestal (22), arc
Face lifting plate (21) is fixed on the top of lifting group, and the top surface that cambered surface is lifted plate (21) is the arc to match with drying cylinder roll surface
A lifting apparatus (2) is at least placed in face respectively when installing lifting apparatus (2) in the underface at the both ends of drying cylinder roll surface, and
So that the cambered surface of lifting apparatus (2) is lifted plate (21) close to drying cylinder roll surface, install online lifting apparatus (2) include steelframe installation,
Hanging installation and across roller installation,
A, steelframe is installed, for having drying portion steelframe (31) below drying cylinder (1), by the drying in the drying portion of paper production line
Portion's steelframe (31) places a steel plate (3), regard steel plate (3) as supporting surface, steel plate (3) is located at the lower section of drying cylinder roll surface, in steel plate
(3) lifting apparatus (2) is placed on,
B, hanging installation hangs drying cylinder for single, is only hung there are one drying cylinder (1) in short transverse in drying portion steelframe (31),
It is ground below drying cylinder (1), at least builds the assembling of a tower structure respectively on the ground of the lower section of the both sides of drying cylinder roll surface
Steel plate (3) is used as supporting surface, steel plate (3) to be located at drying cylinder roll surface by holder in top surface one steel plate of tiling (3) of assembling holder
Lifting apparatus (2) is placed in lower section in steel plate (3),
C, across roller installation is hung with two drying cylinders (1) up and down for double extension drying cylinders in the short transverse of drying portion steelframe (31),
Lower section is drying cylinder (1), is first vacantly installed, and an assembling holder is built below the drying cylinder (1) of lower section, assembling holder it
On build a height again more than drying cylinder (1) diameter across roller support (4), spreading a steel plate (3) across the top surface of roller support (4),
It is used as supporting surface, steel plate (3) to be located at the lower section of drying cylinder roll surface steel plate (3), places lifting apparatus (2)；
The online demounting procedure of drying cylinder spindle nose component dismantles spindle nose lock screw and mounting assembly；
Online lifting step, the lifting group for controlling the lifting apparatus (2) below drying cylinder (1) slowly rise, and at least make drying cylinder (1)
One end moves up the distance of setting, and drying cylinder (1) is lifted and is fixed on setting position, and drying cylinder spindle nose (11) is made to be detached from installation
Seat；
The online demounting procedure of drying cylinder spindle nose carries out drying cylinder spindle nose (11) in the drying portion of paper production line and dismantles operation, by drying cylinder
(1) the drying cylinder spindle nose (11) at both ends disassembles；
Drying cylinder spindle nose replaces step online, drying cylinder spindle nose replacement operation is carried out in the drying portion of paper production line, in drying cylinder (1)
Both ends are installed by new drying cylinder spindle nose (11) respectively；
It is online to decline step, after replacing drying cylinder spindle nose (11), control the lifting group of the lifting apparatus (2) below drying cylinder (1)
Slowly decline, drying cylinder (1) is made to move down, drying cylinder spindle nose (11) is made to enter mounting base；
Drying cylinder spindle nose installation steps install spindle nose lock screw and mounting assembly, drying cylinder spindle nose (11) are installed in mounting base；
Tool removing step removes lifting apparatus (2), removes assembling holder successively from top to bottom；
It completes.
2. a kind of online replacing options of drying cylinder spindle nose in paper mill according to claim 1, it is characterised in that：The lifting
Device (2) is provided with hydraulic interface, and the lifting group selects hydraulicefficiency elevation structure, hydraulic interface to connect hydraulicefficiency elevation structure, liquid
Pressure elevating mechanism is provided with lifting unit and multiple hydraulic lifting arms, and the top of each hydraulic lifting arm is separately fixed at the bottom of lifting unit
Face, cambered surface lifting plate (21) are fixed on lifting unit；Hydraulic interface is connected by hydraulic pipeline, passes through hydraulic control device control
The raising and lowering of lifting group processed.
3. a kind of online replacing options of drying cylinder spindle nose in paper mill according to claim 1, it is characterised in that：The lifting
Group is provided with lifting unit, driving gear and lifting and driving lead screw, the pedestal (22) and is equipped with motor and reduction gearing, pedestal
(22) multiple driving gears are rotatably installed with, motor drive connects reduction gearing, and reduction gearing is sequentially connected each sliding tooth respectively
Wheel, pedestal (22) are equipped with multiple pilot holes, in each pilot hole activity be inserted with a lifting vertically moved up and down
Drive lead screw, it is each to drive the lifting and driving lead screw worm drive cooperation corresponding with one of the central part of gear, lifting and driving lead screw
Top rotation be installed on lifting unit, cambered surface lifting plate (21) is fixed on lifting unit, and the lower part of lifting and driving lead screw is the bottom of from
Seat (22) bottom surface is pierced by downwards, drives cambered surface to be lifted plate (21) raising and lowering by lifting and driving lead screw.
4. a kind of online replacing options of drying cylinder spindle nose in paper mill according to one of claims 1 to 3, it is characterised in that：
It is pasted with compound buffer layer in the top surface of cambered surface lifting plate (21), compound buffer layer is by multiple rubber layers and sheet-metal layers
It is spaced to be overlapped, under the premise of ensureing it with enough structural strengths, avoid in lifting drying cylinder (1) process damage
Drying cylinder roll surface；
After placing the lifting apparatus (2), first controls cambered surface lifting plate (21) and rise, compound buffer layer is made tentatively to overlay
Drying cylinder roll surface, and by the pressure overlayed control in 20-30KG, avoid generating shock.
5. a kind of online replacing options of drying cylinder spindle nose in paper mill according to one of claims 1 to 3, it is characterised in that：
In the online installation steps of the lifting apparatus (2), the assembling holder used includes the unit rack of multiple tower structures
(5) and tower structure across roller support (4),
Assembling holder has a unit rack (5) of 2-5 kind level altitude specifications, unit rack (5) be welded by multiple square steel and
At frame, be in rectangular shape, the upper end of the surrounding of unit rack (5), which is provided with, is provided with to plug socket, lower end, will
First unit rack (5) is socketed on second unit rack (5), makes each right of first unit rack (5)
Plug is plugged on each in socket, realizing that fast construction assembles holder of second unit rack (5) respectively；
It is bigger 10-50cm than the diameter of drying cylinder (1) across the height of roller support (4), across roller support (4) include being welded by square steel by 2
Made of square shape frame and multiple crossbeams across roller made of square steel, one is diagonally welded with inside square shape frame tiltedly
To supporting rod, coordinate across the both ends of roller crossbeam and the inserting of square shape frame；
When use builds assembling holder across roller support (4), first several unit racks of inserting (5), unit rack are built on ground
(5) apical side height is close to the lower part of drying cylinder roll surface, then will be inserted into drying cylinder respectively across two square shape frames of roller support (4)
(1) both sides, and the unit rack (5) of lower section will be inserted into plug across two square shape frame lower ends of roller support (4)
To in socket, then the square shape frame that drying cylinder (1) both sides will be inserted into respectively across the both ends of roller crossbeam, the lower section of drying cylinder (1) with
And the installation across roller crossbeam is respectively completed above drying cylinder (1), to which fast construction obtains one in height across drying cylinder (1)
Across roller support (4), drying cylinder (1) is located at across the inside of roller support (4), is finally placing steel plate (3) across the top surface of roller support (4).
6. a kind of online replacing options of drying cylinder spindle nose in paper mill according to claim 5, it is characterised in that：The unit
Holder (5) is four seamed edges using square steel as unit rack (5) and using square steel as cuboid frame made of beam welding
The upper end of frame, adjacent two seamed edges is fixed by a beam welding, and the lower end of adjacent two seamed edges passes through a beam welding
It is fixed, and in each side of unit rack (5) skewed horizontal load bar is welded with along its diagonal line；
The upper end of four seamed edges of unit rack (5) is respectively arranged with to socket, and the lower end of four seamed edges, which is respectively welded, fixes one
It is described to plug, to plug protrusion in the bottom surface of unit rack (5), the upper end openings of four seamed edges be provided with it is described to socket,
One unit rack (5) to plug in a manner of clearance fit activity be plugged on another unit rack (5) in socket.
7. a kind of online replacing options of drying cylinder spindle nose in paper mill according to claim 5, it is characterised in that：It is described online
It is lifted in step, the lifting group for controlling each lifting apparatus (2) below same drying cylinder (1) synchronizes slow rising, and drying cylinder (1) is whole
Body moves up 25-35cm；
In the online decline step, the lifting group for controlling each lifting apparatus (2) below drying cylinder (1) synchronizes slow decline.
8. a kind of online replacing options of drying cylinder spindle nose in paper mill according to claim 5, it is characterised in that：It is described across roller
The height of holder (4) is bigger 20-30cm than the diameter of drying cylinder (1)；
The assembling holder has the unit rack (5) of 3 kinds of level altitude specifications, the first height specification of unit rack (5)
For 5-10cm, for supplementing height, second of height specification of unit rack (5) is 30-40cm, the third of unit rack (5)
Kind height specification is 50-70cm.
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| CN201810374552.7A CN108755229B (en) | 2018-04-24 | 2018-04-24 | online replacing method for drying cylinder shaft head of paper mill |
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| CN201810374552.7A CN108755229B (en) | 2018-04-24 | 2018-04-24 | online replacing method for drying cylinder shaft head of paper mill |
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| CN108755229B CN108755229B (en) | 2019-12-10 |
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| US4043622A (en) * | 1974-09-13 | 1977-08-23 | John D. Hotchkiss Limited | Bearing assembly |
| DE19630799A1 (en) * | 1996-07-31 | 1998-02-05 | Voith Sulzer Papiermasch Gmbh | Procedure and equipment for on-site changing of the jacket of a cylinder |
| CN2452634Y (en) * | 2000-10-26 | 2001-10-10 | 江苏诚德钢管股份有限公司 | Dynamic and stable type two roller large diameter mushroom like puncher |
| CN101665896A (en) * | 2008-09-05 | 2010-03-10 | 宝山钢铁股份有限公司 | Roll changing device for cleaning section of hot dip galvanizing unit |
| CN103343195A (en) * | 2013-07-12 | 2013-10-09 | 鞍钢股份有限公司 | Method for detaching lower roll of sealing roller at outlet of continuous annealing furnace |
| CN204000459U (en) * | 2014-07-28 | 2014-12-10 | 江西弘泰电子信息材料有限公司 | Change the servicing unit of paper-making drying cylinder deflector roll |
| CN204000456U (en) * | 2014-07-28 | 2014-12-10 | 江西弘泰电子信息材料有限公司 | Change the servicing unit of paper-making drying cylinder scraper |
| CN207086869U (en) * | 2017-06-20 | 2018-03-13 | 唐山钢铁集团有限责任公司 | A kind of on-line continuous weighs the lowering or hoisting gear of hot-cast base |
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2018
- 2018-04-24 CN CN201810374552.7A patent/CN108755229B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043622A (en) * | 1974-09-13 | 1977-08-23 | John D. Hotchkiss Limited | Bearing assembly |
| DE19630799A1 (en) * | 1996-07-31 | 1998-02-05 | Voith Sulzer Papiermasch Gmbh | Procedure and equipment for on-site changing of the jacket of a cylinder |
| CN2452634Y (en) * | 2000-10-26 | 2001-10-10 | 江苏诚德钢管股份有限公司 | Dynamic and stable type two roller large diameter mushroom like puncher |
| CN101665896A (en) * | 2008-09-05 | 2010-03-10 | 宝山钢铁股份有限公司 | Roll changing device for cleaning section of hot dip galvanizing unit |
| CN103343195A (en) * | 2013-07-12 | 2013-10-09 | 鞍钢股份有限公司 | Method for detaching lower roll of sealing roller at outlet of continuous annealing furnace |
| CN204000459U (en) * | 2014-07-28 | 2014-12-10 | 江西弘泰电子信息材料有限公司 | Change the servicing unit of paper-making drying cylinder deflector roll |
| CN204000456U (en) * | 2014-07-28 | 2014-12-10 | 江西弘泰电子信息材料有限公司 | Change the servicing unit of paper-making drying cylinder scraper |
| CN207086869U (en) * | 2017-06-20 | 2018-03-13 | 唐山钢铁集团有限责任公司 | A kind of on-line continuous weighs the lowering or hoisting gear of hot-cast base |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108755229B (en) | 2019-12-10 |
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