CN104358858B - A kind of many lip skeleton-type oil seal devices - Google Patents
A kind of many lip skeleton-type oil seal devices Download PDFInfo
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- CN104358858B CN104358858B CN201410557427.1A CN201410557427A CN104358858B CN 104358858 B CN104358858 B CN 104358858B CN 201410557427 A CN201410557427 A CN 201410557427A CN 104358858 B CN104358858 B CN 104358858B
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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Abstract
A kind of many lip skeleton-type oil seal devices, belong to mining machinery transmission lubrication seal arrangement field, it is characterized in that it is a kind of with power transmission shaft as the reduction box course of work of input and output power mode in, the sealing device of the high life designed for the sealing between the static bearing block that ensures input shaft and output shaft in transmission process and play a supportive role, abbreviation oil sealing, its Main Function is to realize the relative motion between axle and oil sealing, and requirement can not reveal the lubricating oil in gear-box again, it is required that realizing good lubrication and sealing, ensure reduction box reliably working, a kind of many lip skeleton-type oil seals of the present invention are widely used in mine, petrochemical industry, it is metallurgical, electric power, especially seals accident reduction box actuating unit high under mal-condition in the systems such as environmental protection and industry.
Description
Technical field
A kind of many lip skeleton-type oil seal devices of the present invention, belong to mining machinery transmission lubrication seal arrangement field, specifically
Be related to it is a kind of with power transmission shaft as the reduction box course of work of input and output power mode in, be to ensure that input shaft and output shaft are being passed
It is referred to as oily with the sealing between the static bearing block for playing a supportive role and the sealing device of high life that designs during dynamic
Envelope, its Main Function is to realize the relative motion between axle and oil sealing, and requirement can not reveal the lubricating oil in gear-box again,
It is required that realizing good lubrication and sealing, it is ensured that reduction box reliably working, a kind of many lip skeleton-type oil seals of the present invention are generally applicable
The especially seals accident deceleration high under mal-condition in the systems such as mine, petrochemical industry, metallurgy, electric power, environmental protection and industry
Case actuating unit.
Background technology
The fault rate of reduction box actuating unit oil seal failure is very high under mal-condition, ineffective in heavy duty and lubricated maintenance
When, even more geometric progression development, in running, no matter long-time between gear or between bearing and axle and skeleton-type oil seal
Continuous high speed, high temperature sliding contact, can in the process of running produce particulate material, and sand is formed at skeleton-type oil seal sealing
Cloth effect, these particulate material long-term existence and abrasive action cause occur permeability phenomenon between oil seal lip and axle, the two
Between lubricating ability relative drop, while so that friction effect between the two is relative is lifted, with running, this trend and existing
As further expansion, until axle is ground causes oil sealing oil leakage phenomenon, form skeleton-type oil seal essence and fail the mistake of this highest
Effect form, causes that sealing lubrication failure turns into the short slab of reduction box failure, as patent application (patent) number by axle pull-out groove:
CN203796945U achieves certain effect, but only solves oil sealing sealing effect, and emery cloth is formed at skeleton-type oil seal sealing
Effect is still present;As Application Number (patent):CN202967386U is concerned with some extraneous big dust and coal dust influence,
Emery cloth effect is formed at skeleton-type oil seal sealing still to exist;The problem present in adverse circumstances use is emery cloth effect, is compeled
Be essential want a kind of strong adaptability, low manufacture cost, can under above-mentioned environment round-the-clock non-maintaining long-term stable operation one kind it is many
Lip skeleton-type oil seal, realizes the reliable control to emery cloth effect in the skeleton-type oil seal course of work, to realize skeleton-type oil seal
High life, it is ensured that environment need of work in production process, realize under mal-condition that reduction box actuating unit is round-the-clock and exempt from
Safeguard long-term stable operation.
The content of the invention
A kind of many lip skeleton-type oil seal device purposes of the present invention are, to solve above-mentioned exist in the prior art and cannot
The problem of solution, thus it is open a kind of it is simple and reliable, be hardly damaged, can under above-mentioned environment round-the-clock non-maintaining work steady in a long-term
A kind of many lip skeleton-type oil seals made, realize the reliable control to emery cloth effect in the skeleton-type oil seal course of work, to realize
The high life of skeleton-type oil seal, it is ensured that environment need of work in production process, realize reduction box power transmission dress under mal-condition
Put round-the-clock non-maintaining long-term stable operation.
A kind of many lip skeleton-type oil seal devices of the present invention, it is characterised in that be a kind of multiple lip groups different structure
Synthesize the skeleton-type oil seal device of many lip parts, the oil-sealing arrangement by the first oil tight skeleton 4, the first lip 1, the second lip 2,
3rd lip 3 and clutch shaft bearing 5, second bearing 12, first bearing seat 6, second bearing seat 11, first axle 7, lubricating oil 8,
Gear-box 9, first gear 10, clutch shaft bearing end cap 13, first go out hubcap 14,3rd bearing 15,3rd bearing seat 16, second
Go out hubcap 17, the second oil tight skeleton 18, the 4th lip 19, the 5th lip 20, the 6th lip 21 and second gear 22,
Two axles 23, fourth bearing seat 24, fourth bearing 25 and second bearing end cap 26 are constituted;Second lip 2 and the 3rd lip 3 its structure
Feature is identical, lip position and first axle 7 sealing lubrication effectively work profile at be disposed with random concave profile and
Type springhole is received, lip position concave profile is depended on and is received type springhole to adsorb and contain various particles, the second lip
Mouthfuls 2 and the profile of the 3rd lip 3 produce oil film with the contact position of first axle 7, concave profile and receive type springhole on the second lip
A diameter of 20~50 microns, be arranged at random with the contact position of first axle 7, and concave profile and receive type elasticity aperture surface area account for
The contact position of first axle 7 produces the 1/3~1/4 of film area;Concave profile and a diameter of of type springhole is received on 3rd lip 3
10~30 microns, it is same with the second lip 2 be arranged at random with the contact position of first axle 7, and concave profile and receive type springhole
Surface area is accounted for and produces the 1/5~1/6 of film area with the contact position of first axle 7;Various granular absorptions and it is included in the course of work
Concave profile and receive type springhole, first axle 7 does not produce friction with granular substance, and such emery cloth effect can not occur, transport
Lip is not damaged to first axle 7 during row;The structure of first lip 1 is consistent with traditional framework type oil seal lip mouth structure,
First lip 1 is sealed with first axle 7, and the profile of the first lip 1 produces oil film with the contact position of first axle 7, in the second lip 2 and the 3rd
In the presence of lip 3, there is no emery cloth effect in the first lip course of work yet, in closed gear-box 9, first bearing seat
Clutch shaft bearing 5 is installed on 6 positions, the first oil tight skeleton 4, the first lip are set gradually the side end of hubcap 14 is gone out near first
1st, then the 3rd lip 3, the second lip 2 are second bearing 12, and second bearing 12, its end are installed on the position of second bearing seat 11
Go out during hubcap 14, first axle 7 are installed on clutch shaft bearing 5 and the hole of second bearing 12 and go out in hubcap 14 from first for first
Axle, first gear 10 is fixedly installed in the middle part of first axle 7, by lubricating oil 8 added in submergence transmission system first in gear-box 9
At gear 1/3, same 5th lip 20 is identical with the 6th lip 21 its architectural feature, and profit is sealed at lip position and the second axle 23
Concave profile is disposed with random at the sliding effectively profile of work and type springhole is received, and depends on lip position concave profile
And receive type springhole to adsorb and contain various particles, the 5th lip 20 and the profile of the 6th lip 21 and the contact position of the second axle 23
Oil film is produced, concave profile and a diameter of 20~50 microns of type springhole are received on the 6th lip 21, be arranged at random and the
The contact position of two axle 23, and concave profile and receive type elasticity aperture surface area account for the contact position of the second axle 23 produce film area 1/
3~1/4;Concave profile and a diameter of 10~30 microns of type springhole are received on 5th lip 20, it is same with the 6th lip 21
It is random be arranged in the contact position of the second axle 23, and concave profile and receive that type elasticity aperture surface area is accounted for and is produced from the contact position of the second axle 23
The 1/5~1/6 of oil generation membrane area;Various granular absorptions and it is included in concave profile and receives type springhole in the course of work,
Second axle 23 does not produce friction with granular substance, and such emery cloth effect can not occur, and lip is to the second axle 23 in running
Without damage;The structure of 4th lip 19 is consistent with traditional framework type oil seal lip mouth structure, and the 4th lip 19 is close with the second axle 23
Envelope, the profile of the 4th lip 19 produces oil film with the contact position of the second axle 23, in the presence of the 6th lip 21 and the 5th lip 20, the
There is no emery cloth effect in the course of work of four lip 19, in closed gear-box 9,3rd bearing seat installs the on 16 positions yet
Three bearings 15, are setting gradually the second oil tight skeleton 18, the 6th lip the 21, the 5th between 3rd bearing 15 and second go out hubcap 17
Lip 20, the 4th lip 19, the 4th lip 19 are adjacent to second and go out hubcap 17, and fourth bearing seat installs the 4th axle on 24 positions
25 are held, its end is that second bearing end cap 26, the second axle 23 are installed in 3rd bearing 15 and the hole of fourth bearing 25 and from second
Go out shaft in hubcap 17, second gear is fixedly installed in the middle part of the second axle 23, and is engaged in first gear 10.
A kind of above-mentioned many lip skeleton-type oil seal devices, when using in closed gear-box 9, the second axle 23 drives second
Gear 22,3rd bearing 15, fourth bearing 25 are rotated, and second gear 22 drives first gear 10 to rotate, and first gear 10 drives
First axle 7, clutch shaft bearing 5, second bearing 12 are rotated, clutch shaft bearing 5, first axle 7, first gear 10, second bearing 12, second
Axle 23, second gear 22,3rd bearing 15, fourth bearing 25 will drive lubricating oil 8 to be splashed in gear-box 9, bearing and axle and
Long-time continuous high speed, high temperature sliding contact, can in the process of running produce particulate material, particle between skeleton-type oil seal
Shape material reaches the second lip 2 with lubricating oil 8, and particulate material is adsorbed and contains, and is not rubbed effectively with axle, same emery cloth
Effect can not occur, long-play, have individual particles shape material so that the absorption of the 3rd lip 3 and pardon failure reach the
The place of the influence lubrication and seal of three lip 3 position, a small amount of effectively friction will be had with axle, and same emery cloth effect can also occur, but
It is very weak damage of the emery cloth effect to axle, pulling effect and form the time will extend very long very long, and particulate material will be basic
Migrate less than the position of the first lip 1, effective sealing of the first lip 1 is this ensures that thered, while particulate material is with lubrication
Oil 8 reaches the 6th lip 21, and particulate material is adsorbed and contains, and is not rubbed effectively with axle, and same emery cloth effect can not
Occur, long-play, have individual particles shape material so that the absorption of the 5th lip 20 and pardon failure reach the 4th lip 19
The place of influence lubrication and seal position, a small amount of effectively friction will be had with axle, and same emery cloth effect can also occur, but emery cloth is imitated
Tackle axle damage it is weak very, pull effect formed the time will extend very long very long, particulate material will migrate substantially less than
The position of the 4th lip 19, this ensures that theres effective sealing of the 4th lip 19, realizes the high life of skeleton-type oil seal, it is ensured that
Environment need of work in production process, realizes the round-the-clock non-maintaining work steady in a long-term of reduction box actuating unit under mal-condition
Make.
A kind of many lip skeleton-type oil seal devices of the present invention, to the advantage is that and set mode by the second lip with the work of many lips
Mouthful 2 lip position concave profiles and type springhole is received to adsorb and contain various particles, the profile of the second lip 2 and axle contact position
Good oil film is produced, emery cloth effect is from occurring in preventing its course of work;By the lip position concave profile of the 3rd lip 3 and suction
Receive type springhole to adsorb and contain various particles, again by the 3rd lip 3 and axle excellent sealing, the profile of the 3rd lip 3 and axle
Contact position produces good oil film, and emery cloth effect occurs on a small quantity in making its course of work;The structure of first lip 1 is skeleton with traditional
Oil seal lip is consistent, i.e., by the first lip 1 and the excellent sealing of first axle 7, the profile of the first lip 1 produces good with axle contact position
Oil film, makes the extremely difficult generation of emery cloth effect in its course of work;So it is achieved that and emery cloth in the skeleton-type oil seal course of work is imitated
The reliable control answered, extends the working life of skeleton-type oil seal, and the accident that particulate material pulls axle is fully controllable, realizes bone
The high life of posture oil sealing, it is ensured that environment need of work in production process, realize reduction box actuating unit under mal-condition
Round-the-clock non-maintaining long-term stable operation.
Brief description of the drawings
Fig. 1 is a kind of many lip skeleton-type oil seal structural representations
Fig. 2 is a kind of many lip skeleton-type oil seal device application apparatus schematic diagrames
In figure marked as:1st, the first lip 2, the second lip 3, the 3rd lip
4th, the first oil tight skeleton 5, clutch shaft bearing 6, first bearing seat
7th, first axle 8, lubricating oil 9, gear-box
10th, first gear 1 11, second bearing seat 12, second bearing
13rd, clutch shaft bearing end cap, 14, first go out hubcap
15th, 3rd bearing 16,3rd bearing seat 17, second goes out hubcap
18th, the second oil tight skeleton 19, the 4th lip 20, the 5th lip
21st, the 6th lip 22, second gear 23, the second axle
24th, fourth bearing seat 25, fourth bearing 26, second bearing end cap
Specific embodiment
Implementation method 1
The oil-sealing arrangement is by the first oil tight skeleton 4, the first lip 1, the second lip 2, the 3rd lip 3 and clutch shaft bearing
5th, second bearing 12, first bearing seat 6, second bearing seat 11, first axle 7, lubricating oil 8, gear-box 9, first gear 10, first
Bearing (ball) cover 13, first go out hubcap 14,3rd bearing 15,3rd bearing seat 16, second and go out hubcap 17, the second oil tight skeleton
18th, the 4th lip 19, the 5th lip 20, the 6th lip 21 and second gear 22, the second axle 23, fourth bearing seat the 24, the 4th
Bearing 25 and second bearing end cap 26 are constituted;Second lip 2 is identical with the 3rd lip 3 its architectural feature, at lip position and the
Concave profile is disposed with random at the sealing of the one axle 7 lubrication effectively profile of work and type springhole is received, and depends on lip
Position concave profile and type springhole is received to adsorb and contain various particles, the second lip 2 and the profile of the 3rd lip 3 and first
The contact position of axle 7 produces oil film, and concave profile and a diameter of 20 microns of type springhole are received on the second lip, be arranged at random with
The contact position of first axle 7, and concave profile and receive type elasticity aperture surface area account for the contact position of first axle 7 produce film area 1/
4;Concave profile and receive a diameter of 10 microns of type springhole on 3rd lip 3, it is same with the second lip 2 be arranged at random with
The contact position of first axle 7, and concave profile and receive type elasticity aperture surface area account for the contact position of first axle 7 produce film area 1/
6;Various granular absorptions and it is included in concave profile and receives type springhole in the course of work, first axle 7 is not with granular substance
Friction is produced, such emery cloth effect can not occur, and lip is not damaged to first axle 7 in running;The structure of first lip 1
Consistent with traditional framework type oil seal lip mouth structure, the first lip 1 is sealed with first axle 7, the profile of the first lip 1 and first axle 7
Contact position produces oil film, in the presence of the second lip 2 and the 3rd lip 3, emery cloth does not also occur in the first lip course of work
Effect, in closed gear-box 9, installs clutch shaft bearing 5 on the position of first bearing seat 6, the side of hubcap 14 is being gone out near first
End sets gradually the first oil tight skeleton 4, the first lip 1, the 3rd lip 3, the second lip 2 and then is second bearing 12, second
Second bearing 12 is installed, its end goes out hubcap 14, first axle 7 and be installed on the and of clutch shaft bearing 5 for first on the position of bearing block 11
Go out shaft in hubcap 14 in the hole of second bearing 12 and from first, first gear 10 is fixedly installed in first axle 7 with first axle 7
Portion, by lubricating oil 8 added in submergence transmission system at first gear 1/3 in gear-box 9, same 5th lip 20 and the 6th lip
Mouthful 21 its architectural feature are identical, are disposed with random at the profile that lip position and the sealing lubrication of the second axle 23 effectively work and are in
Concave profile and type springhole is received, depend on lip position concave profile and receive type springhole to adsorb and contain various
Grain, the 5th lip 20 and the profile of the 6th lip 21 produce oil film with the contact position of the second axle 23, on the 6th lip 21 concave profile and
Receive type springhole a diameter of 20 microns, be arranged at random with the contact position of the second axle 23, and concave profile and receive type elasticity
Aperture surface area is accounted for and produces the 1/4 of film area with the contact position of the second axle 23;On 5th lip 20 concave profile and receive type elasticity
A diameter of 10~30 microns of hole, it is same with the 6th lip 21 be arranged at random with the contact position of the second axle 23, and concave profile and
Receive type elasticity aperture surface area to account for and the 1/6 of film area is produced with the contact position of the second axle 23;Various granular absorptions in the course of work
In being included in concave profile and receiving type springhole, the second axle 23 does not produce friction with granular substance, and such emery cloth effect is not
Can occur, lip is not damaged to the second axle 23 in running;The structure of 4th lip 19 and traditional skeleton-type oil seal lip
Mouth structure is consistent, and the 4th lip 19 is sealed with the second axle 23, and the profile of the 4th lip 19 produces oil film with the contact position of the second axle 23,
In the presence of 6th lip 21 and the 5th lip 20, there is no emery cloth effect in the course of work of the 4th lip 19, closed yet
In gear-box 9,3rd bearing seat installs 3rd bearing 15 on 16 positions, between 3rd bearing 15 and second go out hubcap 17 successively
Second oil tight skeleton 18, the 6th lip 21, the 5th lip 20, the 4th lip 19 are set, and the 4th lip 19 is adjacent to the second shaft
End cap 17, fourth bearing seat installs fourth bearing 25 on 24 positions, and its end is second bearing end cap 26, the second axle 23 is installed on
Go out shaft in hubcap 17 in 3rd bearing 15 and the hole of fourth bearing 25 and from second, second gear is fixedly installed in the second axle 23
Middle part, and engaged in first gear 10.When using in closed gear-box 9, the second axle 23 drives second gear 22, the 3rd axle
Hold 15, fourth bearing 25 to rotate, second gear 22 drives first gear 10 to rotate, and first gear 10 drives first axle 7, first axle
Hold 5, second bearing 12 to rotate, clutch shaft bearing 5, first axle 7, first gear 10, second bearing 12, the second axle 23, second gear
22nd, 3rd bearing 15, fourth bearing 25 will drive lubricating oil 8 to be splashed in gear-box 9, between bearing and axle and skeleton-type oil seal
Long-time continuous high speed, high temperature sliding contact, can in the process of running produce particulate material, and particulate material is with lubricating oil
8 reach the second lip 2, and particulate material is adsorbed and contains, and is not rubbed effectively with axle, and same emery cloth effect can not be sent out
Raw, long-play has individual particles shape material so that the absorption of the 3rd lip 3 and pardon failure reach the 3rd lip 3 and influence
The place of lubrication and seal position, a small amount of effectively friction will be had with axle, and same emery cloth effect can also occur, but emery cloth effect pair
The damage of axle is very weak, and pulling effect and form the time will extend very long very long, and particulate material will migrate less than first substantially
The position of lip 1, this ensures that theres effective sealing of the first lip 1, while particulate material reaches the 6th lip with lubricating oil 8
Mouth 21, particulate material is adsorbed and contains, and is not rubbed effectively with axle, and same emery cloth effect can not occur, and transports for a long time
OK, there is individual particles shape material so that the absorption of the 5th lip 20 and pardon failure reach the influence lubrication and seal of the 4th lip 19 position
The place put, a small amount of effectively friction will be had with axle, and same emery cloth effect can also occur, but damage of the emery cloth effect to axle is weak
Very, pulling effect and form the time will extend very long very long, particulate material will basic migration less than the 4th lip 19 position
Put, this ensures that there effective sealing of the 4th lip 19, realize the high life of skeleton-type oil seal, it is ensured that environment in production process
Need of work, realizes the round-the-clock non-maintaining long-term stable operation of reduction box actuating unit under mal-condition.
Implementation method 2
The oil-sealing arrangement is by the first oil tight skeleton 4, the first lip 1, the second lip 2, the 3rd lip 3 and clutch shaft bearing
5th, second bearing 12, first bearing seat 6, second bearing seat 11, first axle 7, lubricating oil 8, gear-box 9, first gear 10, first
Bearing (ball) cover 13, first go out hubcap 14,3rd bearing 15,3rd bearing seat 16, second and go out hubcap 17, the second oil tight skeleton
18th, the 4th lip 19, the 5th lip 20, the 6th lip 21 and second gear 22, the second axle 23, fourth bearing seat the 24, the 4th
Bearing 25 and second bearing end cap 26 are constituted;Second lip 2 is identical with the 3rd lip 3 its architectural feature, at lip position and the
Concave profile is disposed with random at the sealing of the one axle 7 lubrication effectively profile of work and type springhole is received, and depends on lip
Position concave profile and type springhole is received to adsorb and contain various particles, the second lip 2 and the profile of the 3rd lip 3 and first
The contact position of axle 7 produces oil film, and concave profile and a diameter of 50 microns of type springhole are received on the second lip, be arranged at random with
The contact position of first axle 7, and concave profile and receive type elasticity aperture surface area account for the contact position of first axle 7 produce film area 1/
3;Concave profile and receive a diameter of 30 microns of type springhole on 3rd lip 3, it is same with the second lip 2 be arranged at random with
The contact position of first axle 7, and concave profile and receive type elasticity aperture surface area account for the contact position of first axle 7 produce film area 1/
5;Various granular absorptions and it is included in concave profile and receives type springhole in the course of work, first axle 7 is not with granular substance
Friction is produced, such emery cloth effect can not occur, and lip is not damaged to first axle 7 in running;The structure of first lip 1
Consistent with traditional framework type oil seal lip mouth structure, the first lip 1 is sealed with first axle 7, the profile of the first lip 1 and first axle 7
Contact position produces oil film, in the presence of the second lip 2 and the 3rd lip 3, emery cloth does not also occur in the first lip course of work
Effect, in closed gear-box 9, installs clutch shaft bearing 5 on the position of first bearing seat 6, the side of hubcap 14 is being gone out near first
End sets gradually the first oil tight skeleton 4, the first lip 1, the 3rd lip 3, the second lip 2 and then is second bearing 12, second
Second bearing 12 is installed, its end goes out hubcap 14, first axle 7 and be installed on the and of clutch shaft bearing 5 for first on the position of bearing block 11
Go out shaft in hubcap 14 in the hole of second bearing 12 and from first, first gear 10 is fixedly installed in first axle 7 with first axle 7
Portion, by lubricating oil 8 added in submergence transmission system at first gear 1/3 in gear-box 9, same 5th lip 20 and the 6th lip
Mouthful 21 its architectural feature are identical, are disposed with random at the profile that lip position and the sealing lubrication of the second axle 23 effectively work and are in
Concave profile and type springhole is received, depend on lip position concave profile and receive type springhole to adsorb and contain various
Grain, the 5th lip 20 and the profile of the 6th lip 21 produce oil film with the contact position of the second axle 23, on the 6th lip 21 concave profile and
Receive type springhole a diameter of 20~50 microns, be arranged at random with the contact position of the second axle 23, and concave profile and receive type
Elastic aperture surface area is accounted for and produces the 1/3 of film area with the contact position of the second axle 23;Concave profile and type is received on 5th lip 20
A diameter of 30 microns of springhole, it is same with the 6th lip 21 be arranged at random with the contact position of the second axle 23, and concave profile and
Receive type elasticity aperture surface area to account for and the 1/5 of film area is produced with the contact position of the second axle 23;Various granular absorptions in the course of work
In being included in concave profile and receiving type springhole, the second axle 23 does not produce friction with granular substance, and such emery cloth effect is not
Can occur, lip is not damaged to the second axle 23 in running;The structure of 4th lip 19 and traditional skeleton-type oil seal lip
Mouth structure is consistent, and the 4th lip 19 is sealed with the second axle 23, and the profile of the 4th lip 19 produces oil film with the contact position of the second axle 23,
In the presence of 6th lip 21 and the 5th lip 20, there is no emery cloth effect in the course of work of the 4th lip 19, closed yet
In gear-box 9,3rd bearing seat installs 3rd bearing 15 on 16 positions, between 3rd bearing 15 and second go out hubcap 17 successively
Second oil tight skeleton 18, the 6th lip 21, the 5th lip 20, the 4th lip 19 are set, and the 4th lip 19 is adjacent to the second shaft
End cap 17, fourth bearing seat installs fourth bearing 25 on 24 positions, and its end is second bearing end cap 26, the second axle 23 is installed on
Go out shaft in hubcap 17 in 3rd bearing 15 and the hole of fourth bearing 25 and from second, second gear is fixedly installed in the second axle 23
Middle part, and engaged in first gear 10.When using in closed gear-box 9, the second axle 23 drives second gear 22, the 3rd axle
Hold 15, fourth bearing 25 to rotate, second gear 22 drives first gear 10 to rotate, and first gear 10 drives first axle 7, first axle
Hold 5, second bearing 12 to rotate, clutch shaft bearing 5, first axle 7, first gear 10, second bearing 12, the second axle 23, second gear
22nd, 3rd bearing 15, fourth bearing 25 will drive lubricating oil 8 to be splashed in gear-box 9, between bearing and axle and skeleton-type oil seal
Long-time continuous high speed, high temperature sliding contact, can in the process of running produce particulate material, and particulate material is with lubricating oil
8 reach the second lip 2, and particulate material is adsorbed and contains, and is not rubbed effectively with axle, and same emery cloth effect can not be sent out
Raw, long-play has individual particles shape material so that the absorption of the 3rd lip 3 and pardon failure reach the 3rd lip 3 and influence
The place of lubrication and seal position, a small amount of effectively friction will be had with axle, and same emery cloth effect can also occur, but emery cloth effect pair
The damage of axle is very weak, and pulling effect and form the time will extend very long very long, and particulate material will migrate less than first substantially
The position of lip 1, this ensures that theres effective sealing of the first lip 1, while particulate material reaches the 6th lip with lubricating oil 8
Mouth 21, particulate material is adsorbed and contains, and is not rubbed effectively with axle, and same emery cloth effect can not occur, and transports for a long time
OK, there is individual particles shape material so that the absorption of the 5th lip 20 and pardon failure reach the influence lubrication and seal of the 4th lip 19 position
The place put, a small amount of effectively friction will be had with axle, and same emery cloth effect can also occur, but damage of the emery cloth effect to axle is weak
Very, pulling effect and form the time will extend very long very long, particulate material will basic migration less than the 4th lip 19 position
Put, this ensures that there effective sealing of the 4th lip 19, realize the high life of skeleton-type oil seal, it is ensured that environment in production process
Need of work, realizes the round-the-clock non-maintaining long-term stable operation of reduction box actuating unit under mal-condition.
Implementation method 3
The oil-sealing arrangement is by the first oil tight skeleton 4, the first lip 1, the second lip 2, the 3rd lip 3 and clutch shaft bearing
5th, second bearing 12, first bearing seat 6, second bearing seat 11, first axle 7, lubricating oil 8, gear-box 9, first gear 10, first
Bearing (ball) cover 13, first go out hubcap 14,3rd bearing 15,3rd bearing seat 16, second and go out hubcap 17, the second oil tight skeleton
18th, the 4th lip 19, the 5th lip 20, the 6th lip 21 and second gear 22, the second axle 23, fourth bearing seat the 24, the 4th
Bearing 25 and second bearing end cap 26 are constituted;Second lip 2 is identical with the 3rd lip 3 its architectural feature, at lip position and the
Concave profile is disposed with random at the sealing of the one axle 7 lubrication effectively profile of work and type springhole is received, and depends on lip
Position concave profile and type springhole is received to adsorb and contain various particles, the second lip 2 and the profile of the 3rd lip 3 and first
The contact position of axle 7 produces oil film, and concave profile and a diameter of 30 microns of type springhole are received on the second lip, be arranged at random with
The contact position of first axle 7, and concave profile and receive type elasticity aperture surface area account for the contact position of first axle 7 produce film area 1/
3;Concave profile and receive a diameter of 20 microns of type springhole on 3rd lip 3, it is same with the second lip 2 be arranged at random with
The contact position of first axle 7, and concave profile and receive type elasticity aperture surface area account for the contact position of first axle 7 produce film area 1/
5;Various granular absorptions and it is included in concave profile and receives type springhole in the course of work, first axle 7 is not with granular substance
Friction is produced, such emery cloth effect can not occur, and lip is not damaged to first axle 7 in running;The structure of first lip 1
Consistent with traditional framework type oil seal lip mouth structure, the first lip 1 is sealed with first axle 7, the profile of the first lip 1 and first axle 7
Contact position produces oil film, in the presence of the second lip 2 and the 3rd lip 3, emery cloth does not also occur in the first lip course of work
Effect, in closed gear-box 9, installs clutch shaft bearing 5 on the position of first bearing seat 6, the side of hubcap 14 is being gone out near first
End sets gradually the first oil tight skeleton 4, the first lip 1, the 3rd lip 3, the second lip 2 and then is second bearing 12, second
Second bearing 12 is installed, its end goes out hubcap 14, first axle 7 and be installed on the and of clutch shaft bearing 5 for first on the position of bearing block 11
Go out shaft in hubcap 14 in the hole of second bearing 12 and from first, first gear 10 is fixedly installed in first axle 7 with first axle 7
Portion, by lubricating oil 8 added in submergence transmission system at first gear 1/3 in gear-box 9, same 5th lip 20 and the 6th lip
Mouthful 21 its architectural feature are identical, are disposed with random at the profile that lip position and the sealing lubrication of the second axle 23 effectively work and are in
Concave profile and type springhole is received, depend on lip position concave profile and receive type springhole to adsorb and contain various
Grain, the 5th lip 20 and the profile of the 6th lip 21 produce oil film with the contact position of the second axle 23, on the 6th lip 21 concave profile and
Receive type springhole a diameter of 35 microns, be arranged at random with the contact position of the second axle 23, and concave profile and receive type elasticity
Aperture surface area is accounted for and produces the 1/3 of film area with the contact position of the second axle 23;On 5th lip 20 concave profile and receive type elasticity
A diameter of 25 microns of hole, it is same with the 6th lip 21 be arranged at random with the contact position of the second axle 23, and concave profile and receive
Type elasticity aperture surface area accounts for and the 1/5 of film area is produced with the contact position of the second axle 23;Various granular absorptions and bag in the course of work
Hold in concave profile and receive type springhole, the second axle 23 does not produce friction with granular substance, and such emery cloth effect can not send out
Raw, lip is not damaged to the second axle 23 in running;The structure of 4th lip 19 and traditional framework type oil seal lip mouth knot
Structure is consistent, and the 4th lip 19 is sealed with the second axle 23, and the profile of the 4th lip 19 produces oil film with the contact position of the second axle 23, the 6th
In the presence of the lip 20 of lip 21 and the 5th, there is no emery cloth effect in the course of work of the 4th lip 19, in closed gear yet
In case 9,3rd bearing seat installs 3rd bearing 15 on 16 positions, is setting gradually between 3rd bearing 15 and second go out hubcap 17
Second oil tight skeleton 18, the 6th lip 21, the 5th lip 20, the 4th lip 19, the 4th lip 19 are adjacent to second and go out hubcap
17, fourth bearing seat installs fourth bearing 25 on 24 positions, and its end is second bearing end cap 26, the second axle 23 is installed on the 3rd
Go out shaft in hubcap 17 in bearing 15 and the hole of fourth bearing 25 and from second, second gear is fixedly installed in the second axle 23
Portion, and engaged in first gear 10.When using in closed gear-box 9, the second axle 23 drives second gear 22,3rd bearing
15th, fourth bearing 25 is rotated, and second gear 22 drives first gear 10 to rotate, and first gear 10 drives first axle 7, clutch shaft bearing
5th, second bearing 12 is rotated, clutch shaft bearing 5, first axle 7, first gear 10, second bearing 12, the second axle 23, second gear 22,
3rd bearing 15, fourth bearing 25 will drive lubricating oil 8 to be splashed in gear-box 9, long between bearing and axle and skeleton-type oil seal
Time Continuous high speed, high temperature sliding contact, can in the process of running produce particulate material, and particulate material is with lubricating oil 8
The second lip 2 is reached, particulate material is adsorbed and contains, and is not rubbed effectively with axle, and same emery cloth effect can not occur,
Long-play, has individual particles shape material so that the absorption of the 3rd lip 3 and pardon failure reach the influence lubrication of the 3rd lip 3
The place of sealing station, a small amount of effectively friction will be had with axle, and same emery cloth effect can also occur, but emery cloth effect is to axle
Damage it is weak very, pulling effect and form the time will extend very long very long, and particulate material will migrate less than the first lip 1 substantially
Position, this ensures that there effective sealing of the first lip 1, at the same particulate material with lubricating oil 8 reach the 6th lip 21,
Particulate material is adsorbed and contains, and is not rubbed effectively with axle, and same emery cloth effect can not occur, and long-play has
Individual particles shape material causes that the 5th lip 20 is adsorbed and pardon failure reaches the influence lubrication and seal of the 4th lip 19 position
Place, a small amount of effectively friction will be had with axle, and same emery cloth effect can also occur, but damage of the emery cloth effect to axle is weak to be obtained
Very, pulling the effect formation time will extend very long very long, and particulate material basic will migrate less than the position of the 4th lip 19,
Effective sealing of the 4th lip 19 is this ensures that thered, the high life of skeleton-type oil seal is realized, it is ensured that environment work in production process
Need, realize the round-the-clock non-maintaining long-term stable operation of reduction box actuating unit under mal-condition.
Claims (1)
1. a kind of many lip skeleton-type oil seal devices, it is characterised in that be a kind of multiple lips of different structure to be combined into many lips
The skeleton-type oil seal device of mouthpiece, the oil-sealing arrangement is by the first oil tight skeleton(4), the first lip(1), the second lip(2)、
3rd lip(3), clutch shaft bearing(5), second bearing(12), first bearing seat(6), second bearing seat(11), first axle(7)、
Lubricating oil(8), gear-box(9), first gear(10), clutch shaft bearing end cap(13), first go out hubcap(14), 3rd bearing
(15), 3rd bearing seat(16), second go out hubcap(17), the second oil tight skeleton(18), the 4th lip(19), the 5th lip
(20), the 6th lip(21)And second gear(22), the second axle(23), fourth bearing seat(24), fourth bearing(25)With
Two bearing (ball) covers(26)Composition;Second lip(2)With the 3rd lip(3)Its architectural feature is identical, in lip position and first axle
(7)Concave profile is disposed with random at the sealing lubrication effectively profile of work and type springhole is received, and depends on lip portion
Position and receives type springhole to adsorb and contain various particles at concave profile, the second lip(2)With the 3rd lip(3)Profile and the
One axle(7)Contact position produces oil film, the second lip(2)Upper concave profile and receive a diameter of 20 ~ 50 microns of type springhole, with
Machine is arranged in and first axle(7)Contact position, and concave profile and receive type elasticity aperture surface area account for and first axle(7)Produce contact position
The 1/3 ~ 1/4 of oil generation membrane area;3rd lip(3)Upper concave profile and a diameter of 10 ~ 30 microns of type springhole are received, with
Two lips(2)Equally it is arranged at random and first axle(7)Contact position, and concave profile and receive type elasticity aperture surface area to account for and the
One axle(7)Contact position produces the 1/5 ~ 1/6 of film area;Various granular absorptions and concave profile and suction are included in the course of work
Receive in type springhole, first axle(7)Friction is not produced with granular substance, such emery cloth effect can not occur, lip in running
Mouth is to first axle(7)Without damage;First lip(1)Structure is consistent with traditional framework type oil seal lip mouth structure, the first lip
Mouthful(1)With first axle(7)Sealing, the first lip(1)Profile and first axle(7)Contact position produces oil film, in the second lip(2)With
3rd lip(3)In the presence of, there is no emery cloth effect in the first lip course of work, in closed gear-box yet(9)In, the
One bearing block(6)Clutch shaft bearing is installed on position(5), hubcap is being gone out near first(14)Side end sets gradually the first oil sealing
Skeleton(4), the first lip(1), the 3rd lip(3), the second lip(2)Then it is second bearing(12), second bearing seat(11)
Second bearing is installed on position(12), its end goes out hubcap for first(14), first axle(7)It is installed on clutch shaft bearing(5)With
Second bearing(12)Go out hubcap in hole and from first(14)Middle shaft, first gear(10)It is fixedly installed in first axle(7)In
Portion, gear-box(9)It is middle by lubricating oil(8)Added in submergence transmission system at first gear 1/3, same 5th lip(20)With
6th lip(21)Its architectural feature is identical, in lip position and the second axle(23)Sealing lubrication effectively work profile at
Machine is disposed with concave profile and receives type springhole, depend on lip position concave profile and receive type springhole adsorbing and
Contain various particles, the 5th lip(20)With the 6th lip(21)Profile and the second axle(23)Contact position produces oil film, the 6th lip
Mouthful(21)Upper concave profile and receive a diameter of 20 ~ 50 microns of type springhole, be arranged at random and the second axle(23)Contact position,
And concave profile and receive type elasticity aperture surface area account for and the second axle(23)Contact position produces the 1/3 ~ 1/4 of film area;5th
Lip(20)Upper concave profile and a diameter of 10 ~ 30 microns of type springhole are received, with the 6th lip(21)Same random arrangement
In with the second axle(23)Contact position, and concave profile and receive type elasticity aperture surface area account for and the second axle(23)Contact position produces oil
The 1/5 ~ 1/6 of membrane area;Various granular absorptions and it is included in concave profile and receives type springhole in the course of work, the second axle
(23)Friction is not produced with granular substance, such emery cloth effect can not occur, and lip is to the second axle in running(23)Not yet
There is damage;4th lip(19)Structure is consistent with traditional framework type oil seal lip mouth structure, the 4th lip(19)With the second axle
(23)Sealing, the 4th lip(19)Profile and the second axle(23)Contact position produces oil film, in the 6th lip(21)With the 5th lip
(20)In the presence of, the 4th lip(19)There is no emery cloth effect in the course of work, in closed gear-box yet(9)In, the 3rd
Bearing block(16)3rd bearing is installed on position(15), in 3rd bearing(15)Go out hubcap with second(17)Between set gradually
Two oil tight skeletons(18), the 6th lip(21), the 5th lip(20), the 4th lip(19), the 4th lip(19)It is adjacent to second
Go out hubcap(17), fourth bearing seat(24)Fourth bearing is installed on position(25), its end is second bearing end cap(26), the
Two axles(23)It is installed on 3rd bearing(15)And fourth bearing(25)Go out hubcap in hole and from second(17)Middle shaft, the second tooth
Wheel(22)It is fixedly installed in the second axle(23)Middle part, and in first gear(10)Engagement.
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CN201410557427.1A CN104358858B (en) | 2014-10-21 | 2014-10-21 | A kind of many lip skeleton-type oil seal devices |
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CN104358858B true CN104358858B (en) | 2017-06-16 |
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CN107387757A (en) * | 2017-06-30 | 2017-11-24 | 嘉兴职业技术学院 | Case seal structure |
CN107939977A (en) * | 2017-12-18 | 2018-04-20 | 太重煤机有限公司 | A kind of more lip mouth skeleton oil seals |
CN110820629A (en) * | 2019-11-20 | 2020-02-21 | 济宁市众帮来袭信息科技有限公司 | Waterproof sealing shell for parking spot lock |
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JPH08338535A (en) * | 1995-06-09 | 1996-12-24 | Koyo Seiko Co Ltd | Sealing device |
JP3793746B2 (en) * | 2002-07-02 | 2006-07-05 | 株式会社ジェイテクト | Sliding member and sealing device |
CN2648167Y (en) * | 2003-10-21 | 2004-10-13 | 万向钱潮股份有限公司 | Cross axle universal joint with dustproof cover |
CN101240852A (en) * | 2008-03-20 | 2008-08-13 | 陈军卫 | Multi-lip multi-spring self-lubricating oil seal |
CN202967386U (en) * | 2012-11-22 | 2013-06-05 | 湖北双环科技股份有限公司 | Sealing device for coal ash screw conveyer |
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