CN105508432A - Sealing device for rolling mill CVC shifting roller coupling mechanism - Google Patents
Sealing device for rolling mill CVC shifting roller coupling mechanism Download PDFInfo
- Publication number
- CN105508432A CN105508432A CN201610062680.9A CN201610062680A CN105508432A CN 105508432 A CN105508432 A CN 105508432A CN 201610062680 A CN201610062680 A CN 201610062680A CN 105508432 A CN105508432 A CN 105508432A
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- cover
- inner sleeve
- compensation sealing
- gland
- sleeve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
- B21B31/078—Sealing devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/761—Sealings of ball or roller bearings specifically for bearings with purely axial load
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a sealing device for a rolling mill CVC shifting roller coupling mechanism. The sealing device comprises a bearing seat, a coupling inner sleeve, a thrust self-aligning roller bearing sleeving the coupling inner sleeve, a roller side inner sleeve sleeving the coupling inner sleeve, a through cover, a gland, a sealing sleeve, a left compensation sealing sleeve and a right compensation sealing sleeve; the left compensation sealing sleeve and the right compensation sealing sleeve are respectively sealed with the through cover and the gland and can achieve radial and axial movement within a certain range in the inner chamber of the through cover; a spring circumferentially mounted in a through cover circular ring is propped against the outer circumferential surfaces of the left compensation sealing sleeve and the right compensation sealing sleeve to generate a pretightening force, so that the contact surface between the left compensation sealing sleeve and the sealing sleeve and the contact surface between the right compensation sealing sleeve and the sealing sleeve form mechanical sealing surfaces. According to the sealing device for the rolling mill CVC shifting roller coupling mechanism, the originally designed framework sealing is changed to be surface-surface mechanical sealing and a sealing surface formed by an O-ring; by dynamically compensating deviation of an eccentric angle, the sealing effect can be improved, and the leakage of lubricating oil is reduced; furthermore, emulsion is prevented from entering a lubrication system, the service lives of the thrust self-aligning roller bearing and the sealing sleeve are prolonged, and the costs of spare parts and the maintenance time are reduced.
Description
Technical field
The present invention relates to a kind of milling train CVC roll shifting coupling mechanism seal arrangement, belong to board rolling equipment technical field.
Background technique
In cold rolled sheet rolling, cold rolling mill generally adopts the continuous convexity of six roller CVC to realize the control of template.Cold rolling mill inevitably produces axially huge component in the operation of rolling under the effect of the resultant force such as bending roller force and roll deformation on roll, and what intermediate roll roll adopted is four-row tapered roller bearing, this bearing can bear very large radial force but can not bear excessive axial force, and therefore in the operation of rolling, axial thrust load mainly relies on the in-house self-aligning thrust roller bearing of CVC intermediate roll coupling locking to bear; Fig. 1 is existing CVC roll shifting coupling mechanism schematic diagram, because self-aligning thrust roller bearing exists the aligning angle of 0 ~ 2 °, so have 0 ~ 2 ° of eccentric angle between coupling inner sleeve and bearing support, calculate the full swing distance of coupling inner sleeve for 11.63mm by similar triangles, so in the operation of rolling, because the swing of axial 11.63mm will cause reinforced seal lower half portion to be extruded to damage there is gap in upper half part; There is the gap of 1mm simultaneously between self-aligning thrust roller bearing and bearing support, be equivalent to intermediate roll and can offset theoretical centerline 2mm with the inner sleeve that is coupled is maximum, damage reinforced seal further; The thin oil lubricant that self-aligning thrust roller bearing adopts, itself there is certain pressure in lubrication system, reinforced seal damages and causes oil leak, increases grease consumption and financial cost; Milling train needs emulsified liquid breaker roll to carry out Cooling and Lubricator in the operation of rolling, part emulsified liquid will be caused to enter CVC coupling mechanism internal contamination grease because reinforced seal damage and gap exist, cause insufficient lubrication, make the self-aligning thrust roller bearing lost of life more than 6 months even occur bearing locking situation.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of milling train CVC roll shifting coupling mechanism seal arrangement, and this device effectively can avoid the seal clearance caused because of self-aligning thrust roller bearing, realizes dynamic compensation, ensures sealing effect.
The technological scheme solved the problems of the technologies described above is:
A kind of milling train CVC roll shifting coupling mechanism seal arrangement, comprise bearing support, be installed on the self-aligning thrust roller bearing of bearing support inside and coupling inner sleeve, self-aligning thrust roller bearing is set on coupling inner sleeve excircle, and its improvements are: it also comprises the roller side inner sleeve, transparent cover, gland, stuffing box gland, left compensation sealing cover and the right compensation sealing cover that are set on the right side of coupling inner sleeve;
Described roller side inner sleeve inner circumference has axial screw, is fixedly connected with the inner sleeve right side that is coupled by bolt;
Described transparent cover is opened round-meshed circular left cover and the annulus be fixed on the right side of left cover by center and is formed, annulus and circular hole coaxial and diameter is greater than Circularhole diameter; Left cover circumference has axial screw, and fix with bearing support right side bolt, annulus right side has axial screw, and annulus inner circumference equidistantly offers radial spring bore, mounting spring in it; Transparent cover center hole diameter and roller side inner sleeve external diameter match;
Described gland is circular cover, is bolted with annulus on the right side of transparent cover, and the gland center of circle is positioned on transparent cover axis;
The annulus of described stuffing box gland to be cross section be circular arc, stuffing box gland inner circumference has seal groove, mounting O-shaped seal ring in it, and stuffing box gland is set in roller side and puts, and realizes the sealing with roller side inner sleeve excircle by O RunddichtringO;
Described left compensation sealing cover is the annulus that external diameter is identical with right compensation sealing cover, is set in roller side and puts, lay respectively at the arranged on left and right sides of stuffing box gland; It is U-shaped seal groove that left compensation sealing cover left side has cross section, it is U-shaped seal groove that right compensation sealing cover right side has cross section, the cross section of left and right compensation sealing cover is the U-shaped seal groove and ring wall that are connected as a single entity, ring wall inwall is curved, be slidably connected with stuffing box gland outer peripheral surface, its radian is identical with the radian of stuffing box gland cross section circular arc; Mounting O-shaped seal ring in the seal groove of left and right compensation sealing cover;
After the assembling of described coupling inner sleeve, roller side inner sleeve, transparent cover and gland, in transparent cover, between roller side inner sleeve and gland, form an airtight cavity; This airtight cavity is arranged in after the assembling of left compensation sealing cover, stuffing box gland and right compensation sealing cover, in left and right compensation sealing cover, the diameter of O RunddichtringO is between transparent cover left cover center hole and right circles ring diameter, the O RunddichtringO of left compensation sealing cover and transparent cover center hole right side are formed and seal, and the O RunddichtringO of right compensation sealing cover and gland left side are formed and seal; Left and right compensation sealing cover external diameter is less than transparent cover internal radius, left and right compensation sealing can be made to be enclosed within transparent cover inner chamber and realize moving radially in certain limit; Distance after left and right compensation sealing cover and stuffing box gland assemble between both centers of circle is less than the perpendicular distance between transparent cover left cover center hole right side to gland left side, left and right compensation sealing can be made to be enclosed within airtight cavity and realize moving axially in certain limit; The outer peripheral surface that the spring installed of described transparent cover annulus inner circumference and left and right compensation sealing overlaps offsets generation pretightening force, makes left and right compensation sealing cover and stuffing box gland surface of contact form mechanical sealing surface.
Above-mentioned a kind of milling train CVC roll shifting coupling mechanism seal arrangement, described roller side inner sleeve is formed by the sleeve connection of 2 various outer diameters, and the sleeve of less external diameter is inserted in coupling inner sleeve, and transparent cover left cover center hole diameter matches with the external diameter of larger external diameter sleeve; The inner circumference at 2 sleeve connection places is fixed with the annulus coaxial with roller side inner sleeve, annulus is equidistantly offered at least 4 axial screws, for being connected with coupling inner sleeve right side bolt; Described left compensation sealing cover, stuffing box gland and right compensation sealing cover are set on the sleeve of the larger external diameter of roller side inner sleeve.
Above-mentioned a kind of milling train CVC roll shifting coupling mechanism seal arrangement, described stuffing box gland inner circumference has 2 seal grooves; Described left and right compensation sealing cover external diameter is less than transparent cover internal radius 2 ~ 3mm, and the distance after described left and right compensation sealing cover and stuffing box gland assemble between both centers of circle is less than the perpendicular distance 1 ~ 2mm between transparent cover left cover center hole right side to gland left side.
Above-mentioned a kind of milling train CVC roll shifting coupling mechanism seal arrangement, described transparent cover left cover circumference equidistantly has at least 4 axial screws, fix with bearing support right side bolt, annulus right side equidistantly has at least 4 axial screws, fix with gland bolt, annulus inner circumference equidistantly offers at least 12 radial spring bore, mounting spring in it.
Working procedure of the present invention is as follows:
The left and right compensation sealing cover of the present invention forms stationary ring, and stuffing box gland forms rotating ring, can rotate along with roller side inner sleeve; The multiple springs being installed on transparent cover annulus inner circumference form cluster spring provides pretightening force, makes the arc ring wall inwall of the left and right compensation sealing cover of stationary ring tightly be attached to ring seal cover outer peripheral surface thus form primary sealing area under the effect of cluster spring pretightening force; The O type snare installed in ring seal cover seal groove, in roller side inner sleeve, forms good sealing surface between the two; Side seal face is formed between O type circle in stationary ring left and right compensation sealing cover seal groove and transparent cover, sealing gland; Above-mentioned sealing surface realizes the sealing function of CVC roll shifting coupling mechanism seal arrangement.
During normal rolling, CVC intermediate roll spindle nose is connected to roll shifting coupling mechanism, intermediate roll spindle nose is fixedly connected with roller side inner sleeve right-hand member, roller side inner sleeve is bolted and puts in the coupling of installed thrust selfaligning roller bearing, and intermediate roll there will be 0 ~ 2 ° of eccentric angle together with roller side inner sleeve and coupling inner sleeve around bearing support; Sealing gland, transparent cover are connected to bearing support, and in like manner intermediate roll there will be 0 ~ 2 ° of eccentric angle together with roller side inner sleeve and coupling inner sleeve around sealing gland, transparent cover.If roller side inner sleeve upwards offsets along center line, so the left compensation sealing cover of ring seal cover drive offsets downward and causes lower half portion spring in cluster spring to be compressed, and upper half part spring elongates, slightly slide to the right at axial thrust load effect bottom left compensation sealing cover simultaneously; Right compensation sealing cover and spring move round about, so no matter how spring compresses or what kind of axis left and right compensation sealing cover has or radially slide, left and right compensation sealing cover is closely attached on stuffing box gland under spring force forever, arc sphere between both forms good sealing surface, thus plays seal action; Two O type circles simultaneously between stuffing box gland and roller side inner sleeve define the sealing surface between stuffing box gland and roller side inner sleeve; Left and right compensation sealing cover and the O type circle between transparent cover and sealing gland define sealing surface between the two.Under the effect of initial tension of spring, rotating ring and stationary ring sticking together and form good sealing surface tightly in real time, with eccentric angle orientation independent, achieves dynamic compensation at any angle afterwards, realizes good sealing effect.
The invention has the beneficial effects as follows:
Intrinsic reinforced seal is changed to the sealing surface that mechanical seal between face and face and O type circle are formed by the present invention; By dynamic compensation eccentric angle deviation, can sealing effect be improved, reduce the leakage of lubricant oil, stop emulsified liquid to enter in lubrication system simultaneously, extend the working life of self-aligning thrust roller bearing and sealing, saved spare parts cost and maintenance time.
Accompanying drawing explanation
Fig. 1 is existing CVC coupling mechanism schematic diagram;
Fig. 2 is schematic perspective view of the present invention;
Fig. 3 is plan view of the present invention;
Fig. 4 is the right side view of Fig. 2;
Fig. 5 is the B-B direction view of Fig. 2;
Fig. 6 is transparent cover schematic perspective view;
Fig. 7 is stuffing box gland schematic perspective view;
Fig. 8 is Fig. 7 sectional view;
Fig. 9 is sectional view after left and right compensation sealing cover assembles with stuffing box gland;
Figure 10 is roller side inner sleeve schematic perspective view;
Figure 11 is roller side inner sleeve side view;
Be labeled as in figure: intermediate roll 1, CVC coupling locking mechanism 2, reinforced seal 3, self-aligning thrust roller bearing 4, bearing support 5, coupling inner sleeve 6, roller side inner sleeve 7, transparent cover 8, gland 9, stuffing box gland 10, left compensation sealing cover 11 and right compensation sealing cover 12, spring base hole 13, spring 14, ring wall 15.
Embodiment
Fig. 2 ~ Fig. 5 shows, the present invention includes bearing support 5, be installed on the self-aligning thrust roller bearing 4 of bearing support 5 inside, coupling inner sleeve 6, be set in coupling inner sleeve 6 on the right side of roller side inner sleeve 7, transparent cover 8, gland 9, stuffing box gland 10, left compensation sealing cover 11 and right compensation sealing cover 12, thrust force aligning Roller Shaft, 4 are set on the excircle of coupling inner sleeve 6.
Fig. 5, Figure 10 and Figure 11 show, roller side inner sleeve 7 is formed by the sleeve connection of 2 various outer diameters, the sleeve of less external diameter is inserted in coupling inner sleeve 6, the inner circumference at 2 sleeve connection places is fixed with the annulus coaxial with roller side inner sleeve 7, annulus is equidistantly offered 6 axial screws, for being connected with the right side bolt of coupling inner sleeve 6.
Fig. 5 ~ Fig. 6 shows, and transparent cover 8 is opened round-meshed circular left cover and the annulus be fixed on the right side of left cover by center and formed, annulus and circular hole coaxial and diameter is greater than Circularhole diameter; Left cover circumference has 12 axial screws, fixes with the right side bolt of bearing support 5, and annulus right side has 12 axial screws, and annulus inner circumference equidistantly offers at least 12 radial spring bore 13, and in it, mounting spring 14 forms cluster spring; Transparent cover 8 center hole diameter and the larger external diameter sleeve of roller side inner sleeve 7 match; Gland 9 is circular cover, and its center of circle is positioned on the axis of transparent cover 8, and gland 9 is bolted with the right side annulus of transparent cover 8.
Fig. 5, Fig. 7 and Fig. 8 show, stuffing box gland 10 for cross section be the annulus of circular arc, the inner circumference of stuffing box gland 10 has 2 seal grooves, mounting O-shaped seal ring in it, stuffing box gland 10 is set on the larger external diameter sleeve of roller side inner sleeve 7, realize, with the sealing of roller side inner sleeve 7 excircle, to rotate along with the rotation of roller side inner sleeve 7, being equivalent to rotating ring in the present invention by O RunddichtringO.
Fig. 5 and Fig. 9 shows, and left compensation sealing cover 11 is the annulus that external diameter is identical with right compensation sealing cover 12, is set on the sleeve of the larger external diameter of roller side inner sleeve 7, lays respectively at the arranged on left and right sides of stuffing box gland 10; It is U-shaped seal groove that the left side of left compensation sealing cover 11 has cross section, it is U-shaped seal groove that the right side of right compensation sealing cover 12 has cross section, the cross section of left and right compensation sealing cover is the U-shaped seal groove and ring wall 15 that are connected as a single entity, the inwall of ring wall 15 is curved, be slidably connected with the outer peripheral surface of stuffing box gland 10, its radian is identical with the radian of stuffing box gland 10 cross section circular arc; Mounting O-shaped seal ring in the seal groove of left and right compensation sealing cover.
Fig. 5 shows, and after the assembling of coupling inner sleeve 6, roller side inner sleeve 7, transparent cover 8 and gland 9, in transparent cover 8, forms an airtight cavity between roller side inner sleeve 7 and gland 9; This airtight cavity is arranged in after left compensation sealing cover 11, stuffing box gland 10 and right compensation sealing cover 12 assembling, in left and right compensation sealing cover, the diameter of O RunddichtringO is between transparent cover 8 left cover center hole and right circles ring diameter, the O RunddichtringO of left compensation sealing cover 11 and transparent cover 8 center hole right side are formed and seal, and the right compensation sealing cover O RunddichtringO of 12 and the left side of gland 9 are formed and seal; Left and right compensation sealing cover external diameter is less than the internal radius 2 ~ 3mm of transparent cover 8, and the inner chamber that left and right compensation sealing can be made to be enclosed within transparent cover 8 realizes moving radially in certain limit; Distance after left and right compensation sealing cover and stuffing box gland 10 assemble between both centers of circle is less than the perpendicular distance 1 ~ 2mm between transparent cover 8 left cover center hole right side to gland 9 left side, left and right compensation sealing can be made to be enclosed within airtight cavity and realize moving axially in certain limit; The outer peripheral surface that the spring 14 installed of the annulus inner circumference of transparent cover 8 and left and right compensation sealing overlaps offsets generation pretightening force, left and right compensation sealing is overlapped and the surface of contact of stuffing box gland 10 forms mechanical sealing surface.
The left and right compensation sealing cover of the present invention forms stationary ring, and stuffing box gland 10 forms rotating ring, can rotate along with roller side inner sleeve 7; The multiple springs 14 being installed on transparent cover 8 annulus inner circumference form cluster spring provides pretightening force, under the effect of cluster spring pretightening force, make the arc ring wall inwall of the left and right compensation sealing cover of stationary ring tightly be attached to the outer peripheral surface of ring seal cover 10 thus form primary sealing area, ring seal overlaps the O type snare of installation in 10 seal grooves in roller side inner sleeve 7, forms good sealing surface between the two; Side seal face is formed between O type circle in stationary ring left and right compensation sealing cover seal groove and transparent cover 8, gland 9; Above-mentioned sealing surface realizes the sealing function of CVC roll shifting coupling mechanism seal arrangement.
During normal rolling, the spindle nose of CVC intermediate roll 1 is connected to roll shifting coupling mechanism, the spindle nose of intermediate roll 1 is fixedly connected with the right-hand member of roller side inner sleeve 7, roller side inner sleeve 7 is bolted in the coupling inner sleeve 6 of installed thrust selfaligning roller bearing 4, and intermediate roll 1 there will be 0 ~ 2 ° of eccentric angle together with roller side inner sleeve 7 and coupling inner sleeve 6 around bearing support 5; Sealing gland, transparent cover are connected to bearing support, and in like manner intermediate roll there will be 0 ~ 2 ° of eccentric angle together with roller side inner sleeve and coupling inner sleeve around sealing gland, transparent cover.If roller side inner sleeve 7 upwards offsets along center line, so the left compensation sealing cover 11 of ring seal cover 10 drive offsets downward and causes lower half portion spring 14 in cluster spring to be compressed, upper half part spring 14 then extends, and slightly slides to the right at axial thrust load effect bottom left compensation sealing cover 11 simultaneously; Right compensation sealing cover 12 and spring 14 move round about, so no matter how spring 14 compresses or what kind of axis left and right compensation sealing cover has or radially slide, left and right compensation sealing cover is closely attached on stuffing box gland 10 under spring force forever, arc sphere between both forms good sealing surface, thus plays seal action; Two O type circles simultaneously between stuffing box gland 10 and roller side inner sleeve 7 define the sealing surface between stuffing box gland 10 and roller side inner sleeve 7; Left and right compensation sealing cover and the O type circle between transparent cover 8 and sealing gland 9 define sealing surface between the two; Under the effect of initial tension of spring, rotating ring and stationary ring sticking together and form good sealing surface tightly in real time, with eccentric angle orientation independent, achieves dynamic compensation at any angle afterwards, realizes good sealing effect.
Claims (4)
1. a milling train CVC roll shifting coupling mechanism seal arrangement, comprise bearing support (5), be installed on the inner self-aligning thrust roller bearing (4) of bearing support (5) and coupling inner sleeve (6), self-aligning thrust roller bearing (4) is set on the excircle of coupling inner sleeve (6), it is characterized in that: it also comprise be set in coupling inner sleeve (6) right side roller side inner sleeve (7), transparent cover (8), gland (9), stuffing box gland (10), left compensation sealing cover (11) and right compensation sealing cover (12);
The inner circumference of described roller side inner sleeve (7) has axial screw, is fixedly connected with by the right side of bolt with the inner sleeve that is coupled (6);
Described transparent cover (8) is opened round-meshed circular left cover and the annulus be fixed on the right side of left cover by center and is formed, annulus and circular hole coaxial and diameter is greater than Circularhole diameter; Left cover circumference has axial screw, and fix with the right side bolt of bearing support (5), annulus right side has axial screw, and annulus inner circumference equidistantly offers radial spring bore (13), mounting spring (14) in it; The center hole diameter of transparent cover (8) and the external diameter of roller side inner sleeve (7) match;
Described gland (9) is circular cover, is bolted with the right side annulus of transparent cover (8), and the center of circle of gland (9) is positioned on the axis of transparent cover (8);
Described stuffing box gland (10) for cross section be the annulus of circular arc, the inner circumference of stuffing box gland (10) has seal groove, mounting O-shaped seal ring in it, stuffing box gland (10) is set on roller side inner sleeve (7), realizes the sealing with roller side inner sleeve (7) excircle by O RunddichtringO;
Described left compensation sealing cover (11) and right compensation sealing cover (12) are the identical annulus of external diameter, are set on roller side inner sleeve (7), lay respectively at the arranged on left and right sides of stuffing box gland (10); It is U-shaped seal groove that the left side of left compensation sealing cover (11) has cross section, it is U-shaped seal groove that the right side of right compensation sealing cover (12) has cross section, the cross section of left and right compensation sealing cover is the U-shaped seal groove and ring wall (15) that are connected as a single entity, the inwall of ring wall (15) is curved, be slidably connected with the outer peripheral surface of stuffing box gland (10), its radian is identical with the radian of stuffing box gland (10) cross section circular arc; Mounting O-shaped seal ring in the seal groove of left and right compensation sealing cover;
After described coupling inner sleeve (6), roller side inner sleeve (7), transparent cover (8) and gland (9) assembling, at transparent cover (8), formation airtight cavity between roller side inner sleeve (7) and gland (9); This airtight cavity is arranged in after left compensation sealing cover (11), stuffing box gland (10) and right compensation sealing cover (12) assembling, in left and right compensation sealing cover, the diameter of O RunddichtringO is between transparent cover (8) left cover center hole and right circles ring diameter, the O RunddichtringO of left compensation sealing cover (11) and the right side of transparent cover (8) center hole are formed and seal, and the O RunddichtringO of right compensation sealing cover (12) and the left side of gland (9) are formed and seal; The external diameter of left and right compensation sealing cover is less than the internal radius of transparent cover (8), and the inner chamber that left and right compensation sealing can be made to be enclosed within transparent cover (8) realizes moving radially in certain limit; Distance after left and right compensation sealing cover and stuffing box gland (10) assemble between both centers of circle is less than the perpendicular distance between right side to gland (9) left side of transparent cover (8) left cover center hole, left and right compensation sealing can be made to be enclosed within airtight cavity and realize moving axially in certain limit; The outer peripheral surface that the spring (14) installed of the annulus inner circumference of described transparent cover (8) and left and right compensation sealing overlaps offsets generation pretightening force, left and right compensation sealing is overlapped and the surface of contact of stuffing box gland (10) forms mechanical sealing surface.
2. a kind of milling train CVC roll shifting coupling mechanism seal arrangement as claimed in claim 1, it is characterized in that: described roller side inner sleeve (7) is formed by the sleeve connection of 2 various outer diameters, the sleeve of less external diameter is inserted in coupling inner sleeve (6), and transparent cover (8) left cover center hole diameter matches with the external diameter of larger external diameter sleeve; The inner circumference at 2 sleeve connection places is fixed with the annulus coaxial with roller side inner sleeve (7), annulus is equidistantly offered at least 4 axial screws, for being connected with the right side bolt of coupling inner sleeve (6); Described left compensation sealing cover (11), stuffing box gland (10) and right compensation sealing cover (12) are set on the sleeve of roller side inner sleeve (7) larger external diameter.
3. a kind of milling train CVC roll shifting coupling mechanism seal arrangement as claimed in claim 1 or 2, is characterized in that: the inner circumference of described stuffing box gland (10) has 2 seal grooves; Described left and right compensation sealing cover external diameter is less than the internal radius 2 ~ 3mm of transparent cover (8), and the distance after described left and right compensation sealing cover and stuffing box gland (10) assemble between both centers of circle is less than the perpendicular distance 1 ~ 2mm between transparent cover (8) left cover center hole right side to gland (9) left side.
4. a kind of milling train CVC roll shifting coupling mechanism seal arrangement as claimed in claim 1 or 2, it is characterized in that: the left cover circumference of described transparent cover (8) equidistantly has at least 4 axial screws, fix with the right side bolt of bearing support (5), annulus right side equidistantly has at least 4 axial screws, fix with gland (9) bolt, annulus inner circumference equidistantly offers at least 12 radial spring bore (13), mounting spring (14) in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062680.9A CN105508432B (en) | 2016-01-29 | 2016-01-29 | A kind of milling train CVC roll shiftings coupling mechanism sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062680.9A CN105508432B (en) | 2016-01-29 | 2016-01-29 | A kind of milling train CVC roll shiftings coupling mechanism sealing device |
Publications (2)
| Publication Number | Publication Date |
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| CN105508432A true CN105508432A (en) | 2016-04-20 |
| CN105508432B CN105508432B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610062680.9A Active CN105508432B (en) | 2016-01-29 | 2016-01-29 | A kind of milling train CVC roll shiftings coupling mechanism sealing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506495A (en) * | 2018-05-30 | 2018-09-07 | 北京化工大学 | Sealing ring, seal assembly and mechanical equipment |
| CN110778725A (en) * | 2019-11-22 | 2020-02-11 | 江门市鑫辉特种密封科技有限公司 | Sealing device for high-speed wire rolling mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2006002822A1 (en) * | 2004-07-02 | 2006-01-12 | Duma Maschinen- Und Anlagenbau Gmbh | Bearing arrangement for a deflection or guide roller immersedly arranged in a molten metal bath |
| CN202037182U (en) * | 2011-01-21 | 2011-11-16 | 邯钢集团邯宝钢铁有限公司 | Oil-throwing-prevention device for runoff table |
| CN202683606U (en) * | 2012-04-27 | 2013-01-23 | 郭溪泉 | Rotary seal of oil film bearing of supporting roller of rolling mill |
| CN205478942U (en) * | 2016-01-29 | 2016-08-17 | 邯钢集团邯宝钢铁有限公司 | Rolling mill CVC scurries roller coupling mechanism sealing device |
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2016
- 2016-01-29 CN CN201610062680.9A patent/CN105508432B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006002822A1 (en) * | 2004-07-02 | 2006-01-12 | Duma Maschinen- Und Anlagenbau Gmbh | Bearing arrangement for a deflection or guide roller immersedly arranged in a molten metal bath |
| CN202037182U (en) * | 2011-01-21 | 2011-11-16 | 邯钢集团邯宝钢铁有限公司 | Oil-throwing-prevention device for runoff table |
| CN202683606U (en) * | 2012-04-27 | 2013-01-23 | 郭溪泉 | Rotary seal of oil film bearing of supporting roller of rolling mill |
| CN205478942U (en) * | 2016-01-29 | 2016-08-17 | 邯钢集团邯宝钢铁有限公司 | Rolling mill CVC scurries roller coupling mechanism sealing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506495A (en) * | 2018-05-30 | 2018-09-07 | 北京化工大学 | Sealing ring, seal assembly and mechanical equipment |
| CN110778725A (en) * | 2019-11-22 | 2020-02-11 | 江门市鑫辉特种密封科技有限公司 | Sealing device for high-speed wire rolling mill |
| CN110778725B (en) * | 2019-11-22 | 2021-08-17 | 江门市鑫辉特种密封科技有限公司 | Sealing device for high-speed wire rolling mill |
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| Publication number | Publication date |
|---|---|
| CN105508432B (en) | 2017-10-27 |
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