CN205605786U

CN205605786U - Synthesize self -cooled gland seal system

Info

Publication number: CN205605786U
Application number: CN201620291506.7U
Authority: CN
Inventors: 张卫东; 王建卫
Original assignee: SUZHOU HENGYANG PRECISION MACHINERY CO Ltd
Current assignee: SUZHOU HENGYANG PRECISION MACHINERY CO Ltd
Priority date: 2016-04-10
Filing date: 2016-04-10
Publication date: 2016-09-28
Anticipated expiration: 2026-04-10

Abstract

The utility model discloses a synthesize self -cooled gland seal system for the rotary seal of joint portion between speed reducer spindle and quick -witted case, it includes that the end cover fix subassembly, heat conduction radiation ring, static auxiliary seal circle, static sealing liquid friction ring and rotates the sealing liquid subassembly and be located epaxial driving key, the fixed subassembly of end cover contains fastener, casing sealing washer, end cover, locking pin, rotatory sealing liquid subassembly includes rotatory sealing liquid friction ring, has the elasticity complex of sealed function to compress tightly part, outer helicla flute transmission base. The utility model discloses stopped because of the skeleton oil blanket respiration oil leak problem that reducer shaft that processing technology, machining precision caused inadequately beats and leads to, prolonged shaft seal device's life moreover greatly, the reasonable pressure design of cooperation can reach the good result that speed reducer in the whole life need not to replace shaft seal device even on slow -speed of revolution speed reducer, has practiced thrift manufacturing cost and social resources.

Description

A kind of comprehensive self-cooled gland seal system

Technical field

This utility model relates to a kind of gland seal system, particularly to a kind of for reductor shaft end seal Comprehensive self-cooled gland seal system.

Background technology

Reductor is a kind of actuating device, applies extremely wide in modern mechanical industry.Reductor exists Play coupling rotating speed and the effect of transmission torque between prime mover and working machine or actuator, be a kind of phase To accurate machinery, the purpose using it is to reduce rotating speed, increases torque.

Reductor can be divided into single-stage and multistage speed reducer according to transmission progression difference；Shape is taken turns according to tooth factory Cylindrical gear reducer, conical gear reducer and circular cone-Cylinder Gear running wheel reductor can be divided into；Press Arrangement form according to transmission can be divided into again expansion, shunting and enter together shaft type reductor.But these are main The drive-train means wanted, all enclosed package is in stiff case, simultaneously must be by seal casinghousing The mode of interior oiling, is lubricated drive mechanism, and the lubricating oil being injected into moves at drive mechanism The problem that between power output unit and seal casinghousing, the position of transition will exist leakage.

Traditional technology, reductor at a high speed often uses rubber framework grease seal and the combination of throttling groove Mode seals, and the reductor of low speed even has producer to use gland sealed mode to enter lubricating oil Row seals.

Using the sealing means of rubber framework grease seal, its principle is that outside framework oil seal lip is with certain dynamics bag Wrap up in the axle of rotation, entered outside framework oil seal lip and between centers by envelope medium or lubricating oil by superfine gap Micro-cavities in, produce one layer of very thin stablizing under the friction of high-speed slide between lip and axle surface Oil film, thus play the effect of sealing.

Throttling channel sealing principle is then by the centrifugal action of lubricating oil in groove, produces the most outside Radial centrifugal force, thus stop lubricating oil to continue to reveal vertically.But often because adding in actually used Work precision is inadequate, and equal between the axle facilitated of introduced contaminants and outside framework oil seal, axle and throttling channel gap Even or uneven fretting wear, directly results in output shaft surface abrasion and destroys outside framework oil seal and axle table Superfine micro-critical-sealing cavity between face, and the Repiration that circular runout produces, thus profit occurs The leakage problem of lubricating oil.

The material filling type used on low-range reduction machine seals as a kind of Sealing Technology being progressively eliminated, and deposits Increasing transmission shaft friction, the defect such as mechanical efficiency and frictional heating is being lost, has been substantially at superseded Edge.

In sum, reductor field of sealing technology, conventional art based on radial direction stablize oil film seal by extensively General actual application attestation is that effect is bad.

Utility model content

For solving above-mentioned sealing applications problem, this utility model provides and is applied to what reductor shaft sealed A kind of comprehensive self-cooled gland seal system, this system has that function is reliable, applied range, do not rub biography Moving axis or axle sleeve, frictional heating is little, do not coordinated circular runout to be affected, install simple and convenient etc. by assembling Advantage.

For reaching above-mentioned target, the technical solution of the utility model is as follows:

A kind of comprehensive self-cooled gland seal system, the joint portion being installed between reductor arbor and cabinet is risen close The effect of envelope sealing liquid, it is characterised in that include end cap fixation kit, heat conduction and heat radiation ring, static auxiliary Sealing ring, static sealing liquid drag ring and rotate sealing liquid assembly and be positioned at the driving key on described arbor；

Described rotation sealing liquid assembly includes rotating sealing liquid drag ring, having the elastic composite of sealing function to compress Parts, external spiral groove transmission base；

Described end cap fixation kit includes securing member, casing sealing circle, end cap, locking pin, described End cap is fixed on cabinet by described securing member, and described casing sealing circle is arranged on described end cap and connects Touch in the groove of described cabinet side, described locking pin pin from described end cap outer circumference surface Hole is squeezed into；

Described heat conduction and heat radiation ring is arranged in the circular inner hole of described cover internal, and its axial side is close to Described end cap, opposite side then contacts with described static sealing liquid drag ring；

Described static auxiliary seal ring is arranged in the internal channel on described cover internal periphery, its footpath Contacting with described end cap to the outside in direction, inner side contacts with described static sealing liquid drag ring；

Described static sealing liquid drag ring is arranged in the circular port of described cover internal, wherein, described quiet Only the broadside side of sealing liquid drag ring props up the axial sides of described heat conduction and heat radiation ring, and described static sealing liquid rubs The narrow avris wiping ring contacts with the narrow flank side surface of described rotation sealing liquid drag ring, and its outer circumference surface is with described The medial surface contact radially of static auxiliary seal ring；

The top having the described elastic composite compacting part of sealing function connects with described rotation sealing liquid drag ring Touch, have bottom the described elastic composite compacting part of sealing function with in described external spiral groove transmission base Portion axial plane contact, the axially rear end face outside described external spiral groove transmission base be fixed on Bearing on described arbor or spacer sleeve end contact；

Described driving key is fixed in the keyway on described arbor, its part highlighting described arbor and institute State the internal keyway contact on external spiral groove transmission base endoporus periphery.

In one of them embodiment, described end cap has one on the installed surface that axial and described cabinet contacts The positioning step of individual axial projections, after assembling, described positioning step outer circumference surface is installed with described cabinet Hole inner peripheral surface contact；Described positioning step outer circumference surface root be provided with a rectangular recess for Casing sealing ring is installed；The position that described cover internal is adjacent with described static sealing liquid drag ring is a circle The opposite sides of poroid cavity, the outside of described cavity, the most described end cap and cabinet contact surface, along footpath To the solid wall do not closed that extends internally to constitute the bottom faces of described cavity, at described cavity inner wall Face has an internal channel；Described cavity between described end cap outer circumference surface and described cavity bottom face On internal face, also having a pin hole radially, described pin hole is along described end cap outer circumference surface Direction on be additionally provided with a counter sink.

In one of them embodiment, the profile of described rotation sealing liquid drag ring is one axially contact described quiet The only side cycle object with the level of sealing liquid drag ring, its opposite side and the described bullet having sealing function Property composite pressing component contact position be one to cave inward and with irregular inclined-plane and arc surface radially The inclined plane part extended internally, irregular described inclined plane part radially and axially will have described in sealing function The containing of elastic composite compacting part closing in portion is limited in inside described rotation sealing liquid drag ring；

Also have, on the outer circumference surface of described rotation sealing liquid drag ring, the driving groove penetrated vertically, described The trench bottom plane of driving groove largest circumference tangent line diameter radially is not less than described static sealing liquid friction The maximum outside diameter of ring；The outside maximum outside diameter of described rotation sealing liquid drag ring rubs more than described static sealing liquid Wipe the maximum outside diameter of ring.

In one of them embodiment, have the described elastic composite compacting part of sealing function with described rotation Turn sealing liquid drag ring contact closing in portion, its profile be one radially and axially inwards actuate irregular Straight line and radiused ramp, rounding on the face that described closing in portion contacts with described rotation sealing liquid drag ring Line always is axially extended so that it is a face of cylinder, the described face of cylinder are integrally formed after forming an arc surface Outside contact with described rotation sealing liquid drag ring, the inner side on the described face of cylinder contacts with described arbor；

The other end contrary with described closing in portion on the described elastic composite compacting part of sealing function is had to be One wealthy oral area, described wealthy oral area extend radially outward a plane and with described external spiral groove transmission base Inner bottom surface contact；

The inside having the described elastic composite compacting part of sealing function is a metal support frame, outside For cladding gum elastic；If having disrumpent feelings in described closing in portion on described metal support frame vertically Dry groove, the root of described groove has circular crack arrest groove.

In one of them embodiment, the front portion of described external spiral groove transmission base, i.e. axially with described rotation Turning the position that sealing liquid drag ring connects, have the shift fork stretched out, described shift fork inserts described rotation sealing liquid In the driving groove of drag ring outer circumference surface；The most inwardly prolong in described external spiral groove transmission base Stretching and have a step, described step inner cylinder face forms one and the described elastic composite having sealing function is compressed Parts are limited in the limiting unit in circumference；

The shift fork quantity of described external spiral groove transmission base is 2-20；Preferably 2-10；Further preferably 2-5；The most symmetrically arranged two；

The small boss that the rear portion of described external spiral groove transmission base has one to axially protrude；

The endoporus of described external spiral groove transmission base has the internal keyway of an axial penetration；

The helix groove of described external spiral groove transmission base is arranged on its outer surface；Described helix is recessed The cross section of groove is any one in rectangular, semicircle, triangle, arc；Described helix groove Rotation direction and described arbor oppositely oriented.

In one of them embodiment, described end cap fixation kit and described bearing or interval inner room are formed In cavity, also having sealing liquid circulation port on decelerating chassis, the connection of the described sealing liquid circulation port other end subtracts Speed cabinet inside；Described sealing liquid circulation port and described arbor the most at an angle, and with described machine Centered by axle uniform；The quantity of described sealing liquid circulation port is 2-20；Preferably 2-12；Further preferably Even number in 2-12；The most uniform symmetrical 6 the described sealing liquid circulation ports being disposed two-by-two； During work, cold sealing liquid enters described comprehensive self-cooled axle envelope from the bottom sealing liquid circulation port of liquid level bottom In the installing space of system, heat by the sealing liquid of liquid or gaseous form from top sealing liquid circulation port Distributing, the most also partial heat conducts along decelerating chassis metallic walls

Wherein, described end cap, locking pin, external spiral groove transmission base material be general structural steel, Any one or more in rustless steel, stainless iron；It is preferably rustless steel.

Wherein, the material of described heat conduction and heat radiation ring is pyrite, rose copper, bronze, carbon graphite, carborundum In any one or more；It is preferably rose copper.

Wherein, the material of described static auxiliary seal ring is rubber, silica gel, politef, flexibility Any one or more in carbon graphite；It is preferably rubber.

Wherein, the material of described static sealing liquid drag ring and rotation sealing liquid drag ring is hard alloy, carbon Any one or more in SiClx, silicon nitride, pottery, politef, plastic composite.

Wherein, there is the metal support frame material within described elastic composite compacting part of sealing function For any one or more in spring steel, rustless steel, pyrite, aluminium alloy；It is preferably rustless steel.

When above-mentioned comprehensive self-cooled gland seal system is installed, first described heat conduction and heat radiation ring is loaded described end In cavity within Gai, more described locking pin is squeezed into the pin on described end cap outer circumference surface In hole, then described static auxiliary seal ring is loaded in the internal channel of described end cap inside cavity, then Described static sealing liquid drag ring is loaded in the cavity of described cover internal, notice that described static sealing liquid rubs Wipe the short slot bottom ring and to face described locking pin, so that described locking pin just snaps in described In the short slot of static sealing liquid drag ring, thus play and prevent described static sealing liquid with described locking pin The effect that drag ring is rotated by described rotation sealing liquid assembly work when；Described static sealing liquid After drag ring installs, its short slot axially also leaves gap between bottom and described locking pin, to protect Demonstrate,proving can be with described heat conduction and heat radiation ring good contact bottom described static sealing liquid drag ring, with operationally Preferable heat conduction heat accumulation and heat radiation function can be played.

It is preferable to carry out in example of above-mentioned comprehensive self-cooled gland seal system, described rotation sealing liquid group Part contacts installation with the described static concentric tandem of sealing liquid drag ring.Wherein, described rotation sealing liquid drag ring Rubbing surface contact with the rubbing surface of described static sealing liquid drag ring, operationally, the contact both this Rubbing surface is the primary sealing area of described comprehensive self-cooled gland seal system, and native system is through original skill The big circumference face diameter that art relies on is changed into the contact of axial facet to stable oil film seal principle and stablizes oil film Sealing principle, and a set of reliable gland seal device derived.

It is preferable to carry out in example of above-mentioned comprehensive self-cooled gland seal system, has the institute of sealing function State elastic composite compacting part, rub with described rotation sealing liquid outside the arc surface in its closing in portion and the face of cylinder Wipe ring interior contact, and axial compression and have rubber compress the magnitude of interference, so can play described Rotate the gap sealed effect between sealing liquid drag ring inside face and reductor shaft.

Have on its internal metal support frame of described elastic composite compacting part of sealing function vertically Have the some grooves disrumpent feelings in closing in portion, this groove may insure that described in have the elastic composite pressure of sealing function Tight parts are when compressing, and entirety can play good strain effects effectively to contract, and ensure System sealing performance is not by deformation effect.

The step radially inside formed of described external spiral groove transmission base, putting down bottom its step Face and the wealthy mouth plane contact having the described elastic composite compacting part of sealing function to radially extend；Its The periphery of step forms a limiting unit, will have the described elastic composite compacting part of sealing function along footpath Inwardly limit to the wealthy oral area extended, to ensure that described external spiral groove transmission base can be effectively close by having The described elastic composite compacting part of envelope function compresses to abrasive end face direction；There is the described of sealing function Elastic composite compacting part is compressed by axial installing space, provides suitable ratio pressure for abrasive end face Pressure, it is ensured that the sealing of described comprehensive self-cooled gland seal system primary seal end face.

Being preferable to carry out in example of above-mentioned comprehensive self-cooled gland seal system, described external spiral groove passes The axially rear end face of moving base and the bearing being fixed on axle or spacer sleeve end contact, described spiral shell Position on the reductor shaft that the internal keyway of spin slot transmission base endoporus axial penetration is corresponding, also should have one Keyway, described driving key is then arranged in the keyway on power transmission shaft.During work, described driving key is with axle Motion drive described external spiral groove transmission base rotate, have the described elastic composite of sealing function simultaneously Compacting part also rotates with described external spiral groove transmission base under pressing friction power effect.

Helicla flute outside described external spiral groove transmission base operationally, can play acceleration sealing liquid stream Dynamic, take away rapidly the effect of abrasive end face heat, be beneficial to the cooling of abrasive end face, so that it is guaranteed that rub The long-life wiping end face uses.

Periphery large area based on prior art friction in reductor gland seal system is changed by this utility model Enter and rub for axial facet, and rubber is replaced by more robust by traditional steel by friction pairing, More scientific professional high-abrasive material friction pairing, decreases the generation of heat, thus has stopped because of processing The reductor shaft that technique, machining accuracy cause not is beated the outside framework oil seal Repiration leakage of oil caused Problem, and substantially prolongs the service life of gland seal device；On slow-speed of revolution reductor, coordinate and close The pressure design of reason, it might even be possible to reach reductor throughout one's life without replacing the good result of gland seal device, Production cost and social resources are saved.

One of the present utility model comprehensive self-cooled gland seal system be equally applicable for gear-box, engine case, The shaft end seal of change speed gear box etc..

Accompanying drawing explanation

Fig. 1 be this utility model comprehensive self-cooled gland seal system cut open schematic cross-section；

Fig. 2 is that the mounting structure of this utility model comprehensive self-cooled gland seal system cuts open schematic cross-section；

Fig. 3 is that this utility model assembling parts exploded perspective view is (containing the installation counterpart partial cutaway that is associated Depending on schematic diagram)；

Fig. 4 is the structural representation of this utility model end cap；

Fig. 5 is the structural representation of this utility model static sealing liquid drag ring；

Fig. 6 is the structural representation that this utility model rotates sealing liquid drag ring；

Fig. 7 is the structural representation that this utility model has the elastic composite compacting part of sealing function；

Fig. 8 is the structural representation of this utility model metal support frame；

Fig. 9 is the structural representation of this utility model external spiral groove transmission base.

In figure, numeral represents:

11. securing member 12. casing sealing circles

13. end cap 131. grooves

14. locking pin 2. heat conduction and heat radiation rings

The most static auxiliary seal ring 4. static sealing liquid drag ring

41. short slots 51. rotate sealing liquid drag ring

511. driving groove 52. elastic composite compacting parts

521. cladding gum elastic 522. metal support frames

53. external spiral groove transmission base 531. shift forks

532. internal keyway 61. driving keys

62. arbor 7. bearings

8. cabinet 91. top sealing liquid circulation port

92. bottom sealing liquid circulation ports

Detailed description of the invention

For ease of being more fully understood that content described in the utility model, below in conjunction with if figure is to this utility model It is described in detail, owing to this embodiment is only optimum embodiment, and not exclusive implementation, thus This utility model should protect the widest range comprising the present embodiment.

As shown in Figure 1, 2, 3, the utility model discloses a kind of comprehensive self-cooled gland seal system, should Axle for reductor seals, and it is installed on the joint portion between reductor arbor 62 and cabinet 8, rises and seals The effect of sealing liquid.This system include end cap fixation kit, heat conduction and heat radiation ring 2, static auxiliary seal ring 3, Static sealing liquid drag ring 4 and rotate sealing liquid assembly and the driving key 61 being positioned on arbor 62.Rotate Sealing liquid assembly includes rotating sealing liquid drag ring 51, has the elastic composite compacting part 52 of sealing function, outer Helicla flute transmission base 53.

End cap fixation kit comprises securing member 11, casing sealing circle 12, end cap 13, locking pin 14. Wherein, end cap 13 is fixed on cabinet 8 by securing member 11, and casing sealing circle 12 is arranged on end cap With in the groove 131 of cabinet 8 contact surface on 13, locking pin 14 is from end cap 13 outer circumference surface Pin hole squeeze into；Heat conduction and heat radiation ring 2 is arranged in the circular inner hole within end cap 13, axially one side Being close to end cap 13, another side then contacts with static sealing liquid drag ring 4；Static auxiliary seal ring 3 is installed In groove on end cap 13 inner circular side face, contact with end cap 13 outside radial direction, inner side with Static sealing liquid drag ring 3 contacts；Static sealing liquid drag ring 4 is arranged in the circular port within end cap 13, Wherein broadside side props up heat conduction and heat radiation ring 2 axial sides, narrow avris and the rotation narrow limit of sealing liquid drag ring 51 Contacts side surfaces, its outer circumference surface contacts with static auxiliary seal ring 3 medial surface radially.

Rotate sealing liquid assembly to include rotation sealing liquid drag ring 51, have the elastic composite compressed part of sealing function Part 52, external spiral groove transmission base 53.Wherein, the narrow avris of sealing liquid drag ring 51 and static envelope are rotated The narrow avris of liquid drag ring 4 contacts, and has elastic composite compacting part 52 top and the rotary seal of sealing function Liquid drag ring 51 contacts, and has bottom the elastic composite compacting part 52 of sealing function and passes with external spiral groove Axial plane contact within moving base 53, the axially rear end outside external spiral groove transmission base 53 Face and the bearing 7 being fixed on axle or spacer sleeve end contact；Driving key 6 is fixed on the key on axle In groove, the prominent part of arbor 61 and the internal keyway on external spiral groove transmission base 53 endoporus periphery 532 contacts.

With reference to Fig. 4, end cap 13 has an axial projections on the installed surface axially contacted with cabinet 8 Positioning step, after assembling, this positioning step outer circumference surface contacts with cabinet 8 installing hole inner peripheral surface, This positioning step outer circumference surface root, is provided with a rectangular recess 131 for installing casing sealing ring 12；The internal position adjacent with static sealing liquid drag ring 4 of end cap 13 is a circular hole cavity, this cavity Outside, i.e. the opposite sides of end cap 13 and cabinet 8 contact surface, radially inwardly extending one does not closes Solid wall and constitute the bottom faces of this cavity；Between end cap 13 outer circumference surface and its cavity bottom face Cavity inner wall face on also have a pin hole radially, this pin hole is along end cap outer circumference surface A counter sink is also had on direction.

Locking pin 14 its be shaped as a head diameter more than the cylindrical object of lower diameter, and under Minister's degree head length to be longer than, after the pin hole on end cap 13 squeezed into by locking pin 14, its head It is limited in a position by counter sink.

Heat conduction and heat radiation ring 2 be a parting face be the cycle object of rectangle, one side axial end and end cap 13 cavity bottom contacts, another side and static sealing liquid drag ring 4 wide face side contacts.

With reference to Fig. 5, static sealing liquid drag ring 4 is axial annular object with the level, its widest face Contacting with heat conduction and heat radiation ring 2, axial leptoprosopy contacts with rotating the axial leptoprosopy of sealing liquid drag ring 51, and axle It is disposed radially the short slot 41 installation for locking pin 14 to wide side.

When above-mentioned comprehensive self-cooled gland seal system is installed, first heat conduction and heat radiation ring 2 is loaded in end cap 13 In the cavity in portion, the most again locking pin 14 is squeezed in the pin hole on end cap 13 outer circumference surface, Then static auxiliary seal ring 3 is loaded in the internal channel of end cap 13 inside cavity, then static sealing liquid Drag ring 4 loads in the cavity within end cap 13, notices that arrange bottom static sealing liquid drag ring 4 lacks Groove 41 locking pin to be faced 14, so that locking pin 14 just snaps in static sealing liquid drag ring 4 Short slot 41 in, thus play with locking pin 14 prevent static sealing liquid drag ring 4 work Time rotated the effect that sealing liquid assembly is rotated；After static sealing liquid drag ring 4 installs, it lacks Groove 41 axially also leaves gap, to ensure static sealing liquid drag ring 4 between bottom and locking pin 14 Bottom can with heat conduction and heat radiation ring 2 good contact, with operationally can play preferable heat conduction heat accumulation and Heat radiation function.

Additionally, rotate sealing liquid assembly to contact installation with the static concentric tandem of sealing liquid drag ring 4.Wherein, The rubbing surface rotating sealing liquid drag ring 51 contacts with the rubbing surface of static sealing liquid drag ring 4, operationally, The primary sealing area that contact rubbing surface is comprehensive self-cooled gland seal system both this, native system is through The big circumference face diameter original technology relied on is changed into the contact of axial facet to stable oil film seal principle Stablize oil film seal principle, and a set of reliable gland seal device derived.

With reference to Fig. 1 and 2, rotating sealing liquid drag ring 51 profile is an axial cycle object with the level, But the position that its rear portion i.e. contacts with the elastic composite compacting part 52 having sealing function, is one to concave Fall into and with the radially inwardly extending inclined plane part of irregular inclined-plane and arc surface, this irregular inclined facial edge Radially and axially by the elastic composite compacting part 52 closing in portion having sealing function contain and be limited in rotation Sealing liquid drag ring 51 is internal.

With reference to Fig. 6, rotate sealing liquid drag ring 51 on its outer circumference surface, also have the biography penetrated vertically Dynamic groove 511, the trench bottom plane of this groove largest circumference tangent line diameter radially is not less than static envelope The maximum outside diameter of liquid drag ring 4；The outside maximum outside diameter rotating sealing liquid drag ring 51 is greater than static envelope Liquid drag ring 4 maximum outside diameter.

With reference to Fig. 7, have the elastic composite compacting part 52 of sealing function with rotate sealing liquid drag ring 51 The profile in closing in portion of contact be an irregular straight line radially and axially inwards actuated and circular arc oblique Face, forms an arc surface tailing edge in its closing in portion with rotating rounding on the face that sealing liquid drag ring 51 contacts An axially extending straight line a so that it is small cylindrical surface is integrally formed, rubs with rotation sealing liquid outside this face of cylinder Wiping ring 51 to contact, inner side contacts with arbor 62；There is the elastic composite compacting part 52 of sealing function, The other end contrary in the portion that closes up with it is a wealthy oral area, and this wealthy oral area extends radially outward a plane, Contact with external spiral groove transmission base 53 inner bottom surface；There is the elastic composite compacting part 52 of sealing function, It is a metal support frame 522 inside it, outside for cladding gum elastic 521.

With reference to Fig. 8, metal support frame 522 has the some grooves vertically disrumpent feelings in closing in portion, The root of groove has circular crack arrest groove.

With reference to Fig. 9, the front portion of external spiral groove transmission base 53 the most axially and rotates sealing liquid drag ring 51 The position connected has being symmetrical arranged the shift fork 531 stretched out, and shift fork 531 inserts and rotates sealing liquid friction In the driving groove 511 of ring outer circumference surface；With reference to Fig. 1 and 2, inside external spiral groove transmission base 53 A radially inwardly extending step, this step inner cylinder face forms one will the elastic composite of sealing function Compacting part 52 is limited in the limiting unit in circumference；The endoporus of external spiral groove transmission base 53 has an axle To the internal keyway 532 penetrated；External spiral groove transmission base 53, portion has one to axially protrude behind Small boss, bearing 7 inner ring that this small boss is installed with tandem contacts compression.

With reference to Fig. 1 and 2, in the cavity of end cap fixation kit and bearing 7 or interval inner room formation, Sealing liquid circulation port 91,92 is also had on cabinet 8；The connection of sealing liquid circulation port 91,92 other end is slowed down Cabinet 8 is internal；Sealing liquid circulation port 91,92 one end connection bearing 7 is anterior with comprehensive self-cooled axle envelope is In the space of system contact, other end connection decelerating chassis 8 is internal；Sealing liquid circulation port 91,92 is with axial Angled and uniform centered by arbor 62.During work, cold sealing liquid is from liquid level bottom sealing liquid Circulation port 92 enters in the installing space of comprehensive self-cooled gland seal system, and heat is by liquid or gaseous state Sealing liquid distributes from top sealing liquid circulation port 91, and the most also partial heat is along decelerating chassis 8 gold medal Belong to wall to conduct.

This utility model uses the friction of small end face axial wear-resistant seal ring to instead of traditional radial direction large area Periphery rubs, it is entirely avoided the mechanical engagement gap caused because of processing technique, assembly precision etc. is not Uniformly and the reductor shaft periphery caused of beating seals sealing liquid leakage problems, greatly reduce simultaneously The generation of frictional heat, alleviating the problems such as the reductor deterioration of lubricant that causes of heating, thus with one Plant simple, economic mode and solve reductor Leakage the most universal in actual application.Low In rotating speed reductor system, use comprehensive self-cooled gland seal system of the present utility model and coordinate correct Pressure parameter designs, it might even be possible to reaches throughout one's life without changing the effect of gland seal system, thus avoids The a large amount of maintenance works produced because reductor shaft envelope reveals, have saved production cost, have improve equipment Operational reliability.Additionally, this comprehensive self-cooled gland seal system also has advantage with low cost.

Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or makes Use this utility model.Multiple amendment to above-described embodiment for those skilled in the art will Being apparent from, generic principles defined herein can be without departing from spirit of the present utility model Or in the case of scope, realize in other embodiments.Therefore, this utility model will not be limited In above-described embodiment shown in this article, and it is to fit to and principles disclosed herein and features of novelty phase The widest consistent scope.

Claims

1. a comprehensive self-cooled gland seal system, the joint portion being installed between reductor arbor and cabinet is risen Seal the effect of sealing liquid, it is characterised in that include end cap fixation kit, heat conduction and heat radiation ring, static auxiliary Help sealing ring, static sealing liquid drag ring and rotate sealing liquid assembly and be positioned at the driving key on described arbor；

One the most according to claim 1 comprehensive self-cooled gland seal system, it is characterised in that institute State end cap on the installed surface that axial and described cabinet contacts, have the positioning step of an axial projections, dress After joining, described positioning step outer circumference surface contacts with described cabinet installing hole inner peripheral surface；Described fixed Position step outer circumference surface root is provided with a rectangular recess for installing casing sealing ring；Described end cap The position that internal and described static sealing liquid drag ring is adjacent is a circular hole cavity, the outside of described cavity, The most described end cap and the opposite sides of cabinet contact surface, radially inwardly extending one solid wall do not closed To constitute the bottom faces of described cavity, have an internal channel in described cavity inner wall face；At described end cap On described cavity inner wall face between outer circumference surface and described cavity bottom face, also have one radially Pin hole, described pin hole is additionally provided with a counter sink on the direction along described end cap outer circumference surface.

One the most according to claim 1 comprehensive self-cooled gland seal system, it is characterised in that institute State the side band step that profile is an axially contact described static sealing liquid drag ring rotating sealing liquid drag ring Cycle object, the position that its opposite side contacts with the described elastic composite compacting part having sealing function It is one to cave inward and with the radially inwardly extending inclined plane part of irregular inclined-plane and arc surface, irregularly The described elastic composite compacting part closing in portion having sealing function radially and is axially wrapped by described inclined plane part Hold and be limited in inside described rotation sealing liquid drag ring；

One the most according to claim 3 comprehensive self-cooled gland seal system, it is characterised in that have The described elastic composite compacting part of sealing function is in the closing in contacted with described rotation sealing liquid drag ring Portion, its profile is the irregular straight line radially and axially inwards actuated and a radiused ramp, described On the face that closing in portion contacts with described rotation sealing liquid drag ring, rounding prolongs after forming an arc surface vertically Stretching a straight line so that it is a face of cylinder is integrally formed, rubs with described rotation sealing liquid in the outside on the described face of cylinder Wiping ring contacts, and the inner side on the described face of cylinder contacts with described arbor；

One the most according to claim 1 comprehensive self-cooled gland seal system, it is characterised in that institute State the front portion of external spiral groove transmission base, the position i.e. axially connected with described rotation sealing liquid drag ring, Having the shift fork stretched out, described shift fork inserts in the driving groove of described rotation sealing liquid drag ring outer circumference surface； Radially inside extend internally a step in described external spiral groove transmission base, cylinder in described step Face forms a limiting unit being limited in circumference by the described elastic composite compacting part having sealing function；

The shift fork quantity of described external spiral groove transmission base is 2-20；

One the most according to claim 1 comprehensive self-cooled gland seal system, it is characterised in that institute State in the cavity of end cap fixation kit and described bearing or interval inner room formation, decelerating chassis is also opened There is sealing liquid circulation port, inside described sealing liquid circulation port other end connection decelerating chassis；Described sealing liquid circulates Hole and described arbor the most at an angle, and uniform centered by described arbor；Described sealing liquid follows The quantity of annular distance is 2-20.

7. according to a kind of comprehensive self-cooled gland seal system described in any one of claim 1-6, its feature Being, described end cap, locking pin, external spiral groove transmission base material are general structural steel, stainless Any one or more in steel, stainless iron.

8. according to a kind of comprehensive self-cooled gland seal system described in any one of claim 1-6, its feature Being, the material of described heat conduction and heat radiation ring is in pyrite, rose copper, bronze, carbon graphite, carborundum Any one or more.

9. according to a kind of comprehensive self-cooled gland seal system described in any one of claim 1-6, its feature Also residing in, the material of described static auxiliary seal ring is rubber, silica gel, politef, flexible carbon Any one or more in graphite.

10., according to a kind of comprehensive self-cooled gland seal system described in any one of claim 1-6, it is special Levying and also reside in, described static sealing liquid drag ring and the material rotating sealing liquid drag ring are hard alloy, carbon Any one or more in SiClx, silicon nitride, pottery, politef, plastic composite； Have the metal support frame material within described elastic composite compacting part of sealing function be spring steel, Any one or more in rustless steel, pyrite, aluminium alloy.