CN100572838C - The bearing that has slide block - Google Patents
The bearing that has slide block Download PDFInfo
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- CN100572838C CN100572838C CNB2008102341289A CN200810234128A CN100572838C CN 100572838 C CN100572838 C CN 100572838C CN B2008102341289 A CNB2008102341289 A CN B2008102341289A CN 200810234128 A CN200810234128 A CN 200810234128A CN 100572838 C CN100572838 C CN 100572838C
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- spheroid
- bearing
- slide block
- slip surface
- axle sleeve
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Abstract
The present invention is applicable to the doctor blade system on the papermaking equipment, is the bearing that has slide block that a kind of doctor blade system that is used to support on the papermaking equipment is done the axial linear motion and rotated around spindle nose.According to technological scheme provided by the invention, the described bearing that has slide block, comprise the upper half part of bearing support and the lower portion of bearing support, it is characterized in that: in the spherical inner chamber that upper half part and its lower portion of bearing support surround, the spheroid that can rotate is arranged, in described spheroid, through hole is arranged, and two slide blocks being set at least symmetrically at the through-hole wall of spheroid, a side of pointing to the centre of sphere of spheroid at described slide block is provided with slip surface; Axle sleeve is arranged in spheroid, on the outer wall of described axle sleeve slip surface is set, and the slip surface of described axle sleeve is slidingly matched with the slip surface of slide block is corresponding one by one.The present invention can make things convenient for I﹠M, the resistance of reducing friction, and increase the service life.
Description
Technical field
The present invention is applicable to the doctor blade system on the papermaking equipment, is the bearing that has slide block that a kind of doctor blade system that is used to support on the papermaking equipment is done the axial linear motion and rotated around spindle nose.
Background technique
(1) each part of paper machine production line all will be used scraper, and scraper has nothing in common with each other in each branch's function of paper machine production line, roughly has: cleaning roll surface, paper injection, paper web peel off, wrinkling, control paper web coating thickness etc.
Scraper blade when the cleaning roll surface is fitted on the roll surface, rubbish such as the paper scrap of roll surface, fibre object are struck off, at positions such as press section and oven dry portions, because the bonding comparison jail of rubbish on the roll surface, be difficult to once roll surface rubbish be struck off, if contaminants is between doctor blade and surface of revolution, roller surfaces will be scratched.Therefore, the swing scraper is used in suggestion, and this scraper can axially move along roller surfaces in the working position.The axial motion of this scraper or swing tend to disperse pollutant, thereby avoid scratching roller surfaces.The axial motion of scraper requires to provide sliding bearing at the two ends of scraper, and when scraper axial runout, sliding bearing makes the rotatable roller surfaces that leaves of wing to the inoperative position.
(2) length of scraper all reaches several meters, though the technology of making scraper is very consummate, still has crooked tendency in the using process.Though, but adopted the convexity compensated roller to compensate this bending, when scraping blade pressurized during in the outer surface of roller, wing still exists the tendency of slight bending.Therefore, bearing must be able to be regulated wing along rotation of spindle nose axis and axial motion, can adjust the height of single spindle nose.To be the doctor blade system axle journal rotated an angle with respect to its bearing support to the meaning of wing bending.
In the past, swing scraper bearing has a rubber bush, and it is by the angles shifts between elongation and the compression above-mentioned scraper of compensation and the bearing support longitudinal axis.
Yet, in the papermaking equipment running, often use chemical solution to remove papermaking equipment and comprise pollutant in the scraper bearing, this chemical solution is harmful to rubber bush, and the axle bush material of the sensitivity of using in the perishable previous technology, tend to cause them to lose efficacy prematurely.Need often to change this rubber bush, particularly in rugged environment.
(3) when for the first time scraper being installed, in order to obtain the best scraper and the angle and the best position of roll surface, need axially and radially adjust scraper, this all needs bearing to guarantee.
(4) the direct and doctor frame spindle nose friction of bearing in the past is in the difficult replacing in doctor frame spindle nose wearing and tearing back.So need between spindle nose and bearing, increase the anti-wear sleeve of a centre.
Summary of the invention
The objective of the invention is to design a kind of bearing that has slide block, making things convenient for I﹠M, the resistance of reducing friction, and increase the service life.
First target of the present invention is to replace traditional integral shaft carrier ring with slide block, to reduce surface friction drag, makes replacing easier.Second target is that the TECAPEEK-PVX material replaces traditional sliding friction material.The 3rd target provides the axle sleeve of protection spindle nose.The 4th target is that axle sleeve can rotate in bearing and straight line motion.The 5th target is two ball design, and bearing can rotate in any direction.The 6th target is sealing and dustproof, antirust design.
According to technological scheme provided by the invention, the described bearing that has slide block, comprise the upper half part of bearing support and the lower portion of bearing support, it is characterized in that: in the spherical inner chamber that upper half part and its lower portion of bearing support surround, the spheroid that can rotate is arranged, in described spheroid, through hole is arranged, and two slide blocks being set at least symmetrically at the through-hole wall of spheroid, a side of pointing to the centre of sphere of spheroid at described slide block is provided with slip surface; Axle sleeve is arranged in spheroid, on the outer wall of described axle sleeve slip surface is set, and the slip surface of described axle sleeve is slidingly matched with the slip surface of slide block is corresponding one by one.
Described slide block has 4, and correspondingly, the slip surface on the described axle sleeve also has 4.The axis of described through hole is by the centre of sphere of spheroid.Inwall at spheroid is provided with two grooves at least symmetrically, the trend of described groove and the parallel axes of through hole; Described slide block is installed in the described groove.Described groove is the dove-tail form groove.
The positioning hole of radial arrangement is set on the wall of spheroid, positioning screwn or locating stud are arranged in positioning hole; On the upper half part of bearing support or lower portion, restraining groove is set; The outer end of described positioning screwn or locating stud is positioned at described restraining groove, and when spheroid rotated, moved in described restraining groove the outer end of described positioning screwn or locating stud; The inner of described positioning screwn or locating stud is fixed in the positioning hole of spheroid.The dustproof sheet that is provided for covering restraining groove on upper half part of bearing support all is provided with dust slinger corresponding to the two ends of through hole and is used for the pad of positioning dust-proof back-up ring on spheroid.
Advantage of the present invention is: overcome many deficiencies of bearing in the past, proposed brand-new theory, invented a kind of easy installation, surface friction drag little, can adjust, easily change, the novel bearing of long service life.
Description of drawings
Fig. 1: overall structure figure.
Fig. 2: sliding motion structure detail drawing.
Fig. 3: stopper ring detail drawing.
Fig. 4: outline drawing of the present invention.
Embodiment
Among the figure: 1, bearing support upper half part; 2, bearing support lower half portion; 3, spheroid; 4, slide block, totally 4; 5, axle sleeve; 6, dust slinger, about each one; 7, pad, about each one; 8, dustproof sheet; 9, stop screw; 10, fixing bolt; 11, restraining groove; 12, slip surface.
As shown in the figure: the described bearing that has slide block, comprise the upper half part 1 of bearing support and the lower portion 2 of bearing support, it is characterized in that: in the spherical inner chamber that upper half part 1 and its lower portion 2 of bearing support surround, the spheroid 3 that can rotate is arranged, in described spheroid 3, through hole is arranged, and two slide blocks 4 being set at least symmetrically at the through-hole wall of spheroid 3, a side of pointing to the centre of sphere of spheroids 3 at described slide block 4 is provided with slip surface; Axle sleeve 5 is arranged in spheroid 3, slip surface 12 is set on the outer wall of described axle sleeve 5, and the slip surface 12 of described axle sleeve 5 is slidingly matched with the slip surface of slide block 4 is corresponding one by one.
Described slide block 4 has 4, and correspondingly, the slip surface on the described axle sleeve 5 also has 4.The axis of described through hole is by the centre of sphere of spheroid 3.Inwall at spheroid 3 is provided with two grooves at least symmetrically, the trend of described groove and the parallel axes of through hole; Described slide block 4 is installed in the described groove.Described groove is the dove-tail form groove.
The positioning hole of radial arrangement is set on the wall of spheroid 3, positioning screwn 9 or locating stud are arranged in positioning hole; On the upper half part 1 of bearing support or lower portion 2, restraining groove 11 is set; The outer end of described positioning screwn 9 or locating stud is positioned at described restraining groove 11, and when spheroid 3 rotated, moved in described restraining groove 11 outer end of described positioning screwn 9 or locating stud; The inner of described positioning screwn 9 or locating stud is fixed in the positioning hole of spheroid 3.On upper half part 1 of bearing support, be provided for covering the dustproof sheet 8 of restraining groove 11.On spheroid 3, dust slinger 6 all is set and is used for the pad 7 of positioning dust-proof back-up ring 6 corresponding to the two ends of through hole.
Wherein, bearing support upper half part 1 is stainless cast steel part with lower half portion 2.Because the running environment of bearing is abominable, contact the very strong acid and alkali substance of some corrosivity, so require bearing that good corrosion resistance is arranged, the cladding material of this bearing is a stainless steel, has good decay resistance.
The material of swallow-tail form slide block 4 is TECAPEEK-PVX, and this is the novel synthetic material that a kind of wear-resisting property is good, high temperature resistant, friction factor is little.Four planes have formed slip surface jointly, have reduced frictional plane, have reduced frictional force.Bearing is in when work, and main frictional force is born by two slide blocks 4 in bottom, above 4 position-limiting actions of two slide blocks.After 4 wearing and tearing of two slide blocks in bottom, only need unload bolt 10 and the stop screw 9 of upper half part 1 of coupling shaft bearing with lower half portion 2, bearing spheroid 3 Rotate 180 degree, two top slide blocks 4 have promptly forwarded the bottom to.The maintenance that is to say bearing is maintenance on the throne, does not need to change the position of scraper when safeguarding bearing, and this is very important for relative narrow space operation, has saved the time of adjusting scraper angle in a large number once more.
Axle sleeve 5 has 4 slip planes, and axle sleeve 5 is fixed on the doctor frame spindle nose, and four planes of axle sleeve 5 cooperate slip with four slide blocks 4, have avoided the direct friction spindle nose, help the maintenance of doctor blade system.Material is a stainless steel, has excellent corrosion resisting performance.Dust slinger 6 has two, has the fixedly effect of slide block simultaneously, and material is Teflon, and the soft material axle sleeve 5 that can not wear and tear has corrosion-resisting function again, and simplicity of design is convenient for changing.Stainless steel gasket 7 is used for improving the intensity of dust slinger 6.Dustproof sheet 8 is used to prevent that foreign material from entering in the bearing, shields.
Stop screw 9 is installed on the bearing spheroid 3, because bearing spheroid 3 can rotate arbitrarily at the bearing support inner chamber, stop screw 9 has been limited in the rotation angle of spheroid 3 within the certain limit.
In sum, the present invention has satisfied the axial linear motion and the rotatablely moving around axis of scraper; Replace whole bearer ring with 4 slide blocks 4, saved high-abrasive material, reduced cost, the application of TECAPEEK-PVX material has reduced the frictional force of bearing, has improved bearing performance; The friction of spindle nose has been avoided in the design of axle sleeve 5, has saved a large amount of maintenance works.The all material of bearing has corrosion resistance, has improved the working life of bearing.
The present invention can be applicable to the doctor blade system on the papermaking equipment fully, supports doctor blade system and does along roll surface that axial linear is moved and rotatablely moving in axis is done the several angle scope, makes scraper can repeatedly cut roll surface rubbish; Can utilize bearing to adjust scraper angle, adjust the parallelism of scraper and roller axis, improve the applying degree of blade and roll surface, obtain the best effect of striking off.Bearing structure is simple, and is easy to maintenance, and hermetically sealed design and employing resistant material have guaranteed that bearing has long working life.
Substitute traditional integral shaft carrier ring with 4 slide blocks 4, saved the wide variety of materials cost, reduced friction area, frictional force is little, and ride quality is good.Only need be replaceable when safeguarding bearing spheroid 3 Rotate 180 degree, do not need to change the initial position of scraper, shortened maintenance time greatly, reduced because of shutting down and safeguarded the loss that causes.
Substitute the sliding block material of traditional bearing ring with TECAPEEK-PVX, this novel aeronautical material, it is little to have a friction factor, antifriction performance height, and good ride quality and working life.
The direct friction of doctor blade holder spindle nose has been avoided in the use of axle sleeve 5, has avoided the destruction of long-time friction to spindle nose, has protected spindle nose.Only need change axle sleeve 5 when safeguarding and get final product, significantly reduce maintenance cost and maintenance workload.
Two ball design make doctor blade system can do axial linear motion and rotatablely moving in axis is done the several angle scope, first installation adjustment that rotatablely moving in this several angle scope guaranteed scraper and scraper unloading; The axial linear motion makes scraper do repeatedly cutting to roll surface rubbish.
Claims (8)
1, a kind of bearing that has slide block, comprise upper half part (1) of bearing support and lower half portion (2) of bearing support, it is characterized in that: in the spherical inner chamber that lower half portion (2) of upper half part (1) of bearing support and bearing support surrounds, the spheroid (3) that can rotate is arranged, in described spheroid (3), through hole is arranged, and two slide blocks (4) being set at least symmetrically at the through-hole wall of spheroid (3), a side of pointing to the centre of sphere of spheroid (3) at described slide block (4) is provided with slip surface; Axle sleeve (5) is arranged in spheroid (3), on the outer wall of described axle sleeve (5) slip surface is set, and, corresponding one by one being slidingly matched of slip surface of the slip surface of described axle sleeve (5) and slide block (4).
2, have the bearing of slide block according to claim 1, it is characterized in that: described slide block (4) has 4, and correspondingly, the slip surface on the described axle sleeve (5) also has 4.
3, have the bearing of slide block according to claim 1, it is characterized in that: the axis of described through hole is by the centre of sphere of spheroid (3).
4, have the bearing of slide block according to claim 1, it is characterized in that: the inwall at spheroid (3) is provided with two grooves at least symmetrically, the trend of described groove and the parallel axes of through hole; Described slide block (4) is installed in the described groove.
5, as having the bearing of slide block as described in the claim 4, it is characterized in that: described groove is the dove-tail form groove.
6, have the bearing of slide block according to claim 1, it is characterized in that: the positioning hole of radial arrangement is set on the wall of spheroid (3), positioning screwn (9) or locating stud are arranged in positioning hole; On upper half part (1) of bearing support or lower half portion (2), restraining groove (11) is set; The outer end of described positioning screwn (9) or locating stud is positioned at described restraining groove (11), and when spheroid (3) rotated, moved in described restraining groove (11) outer end of described positioning screwn (9) or locating stud; The inner of described positioning screwn (9) or locating stud is fixed in the positioning hole of spheroid (3).
7, as having the bearing of slide block as described in the claim 6, it is characterized in that: the dustproof sheet (8) that on upper half part (1) of bearing support, is provided for covering restraining groove (11).
8, have the bearing of slide block according to claim 1, it is characterized in that: go up the pad (7) that two ends corresponding to through hole all are provided with dust slinger (6) and are used for positioning dust-proof back-up ring (6) at spheroid (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008102341289A CN100572838C (en) | 2008-11-03 | 2008-11-03 | The bearing that has slide block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008102341289A CN100572838C (en) | 2008-11-03 | 2008-11-03 | The bearing that has slide block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101413550A CN101413550A (en) | 2009-04-22 |
| CN100572838C true CN100572838C (en) | 2009-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008102341289A Active CN100572838C (en) | 2008-11-03 | 2008-11-03 | The bearing that has slide block |
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| CN (1) | CN100572838C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644203A (en) * | 2013-11-27 | 2014-03-19 | 江苏浩特隆搅拌设备有限公司 | Compensated-type stirring tank inner bearing bush support structure |
| CN104165191B (en) * | 2014-07-07 | 2017-04-26 | 国家电网公司 | Bearing spacing and adjusting device |
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- 2008-11-03 CN CNB2008102341289A patent/CN100572838C/en active Active
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| Publication number | Publication date |
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| CN101413550A (en) | 2009-04-22 |
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