CN108869380A - A kind of big transmission pitch mechanical sealing member of modified - Google Patents
A kind of big transmission pitch mechanical sealing member of modified Download PDFInfo
- Publication number
- CN108869380A CN108869380A CN201810536104.2A CN201810536104A CN108869380A CN 108869380 A CN108869380 A CN 108869380A CN 201810536104 A CN201810536104 A CN 201810536104A CN 108869380 A CN108869380 A CN 108869380A
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- CN
- China
- Prior art keywords
- ring
- gland
- axle sleeve
- transmission
- stationary ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/171—Steel alloys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of big transmission pitch mechanical sealing members of modified, including gland, stationary ring, rotating ring, spring and axle sleeve, gland is set in outside axle sleeve, the stationary ring, the rotating ring and the spring are between the axle sleeve and the gland, there is the end internal projecting ring of radially protruding on the inside of the gland right end, the guiding bulge loop being slidably matched with the stationary ring also formed with radially protruding on the inside of the gland, irrigation channel is equipped in the gland, the irrigation channel entrance is located on the outside of the gland, the irrigation channel outlet is located at the gland left end at the inner edge of the stationary ring, the both ends of the spring is pressed respectively against on the stationary ring end and the end internal projecting ring, the rotating ring is fixed to be set on the outside of the axle sleeve left end, the stationary ring left end is mutually adjacent to the rotating ring right end.The present invention enables the internal part of pitch medium and sealing element keep apart, and the spring section for being especially easy to be corroded is protected well.
Description
Technical field
The present invention relates to sealing element fields, and in particular to a kind of big transmission pitch mechanical sealing member of modified.
Background technique
Currently, mechanically-sealing apparatus is widely used in the fluid machinery with apparatus for rotating of the industries such as oil refining, chemical industry
In work pump.The medium of the middle sealing device of bitumenpump is pitch, has stronger corrosivity, while solid particle therein is pumping
Components many in sealing device can be caused to wear when axis high speed rotation, and then lead to seal failure.
The utility model patent of application number CN201520992161.3 provides a kind of asphalt mixing device sealing structure, although
By importing heat tracing medium in sealing structure, realization prevents sealing ring from tearing, seal failure caused by avoiding therefore.But it seals
The other component of device such as spring still can be ineffective because corroding, and sealing device is caused to fail.
The utility model patent of application number CN201610174297.2 provides a kind of chemical pump water tank type cabinet sealing element,
Although having flange ring, pressure ring and outer baffle ring composition cavity structure to isolate part sealing device component and medium.A but side
Face needs to increase the components such as flange ring, pressure ring and outer baffle ring, and needs as the component being in contact with medium using corrosion-resistant
Abrasion resisting material, therefore improve cost.Furthermore the component occupied space that the cavity structure of the structure need to assemble is big, influences gland
Etc. the setting of other components, the scope of application is affected.
Summary of the invention
The purpose of the present invention is to provide a kind of big transmission pitch mechanical sealing members of modified, close in the prior art to solve
Sealing component cannot be isolated with pitch medium, sealing element component corrosion-vulnerable and the problem of be prone to wear.
The big transmission pitch mechanical sealing member of the modified, including gland, stationary ring, rotating ring, spring and axle sleeve, gland set
It is located at outside axle sleeve, the stationary ring, the rotating ring and the spring are between the axle sleeve and the gland, the gland right end
Inside has the end internal projecting ring of radially protruding, and what is also formed with radially protruding on the inside of the gland matches with stationary ring sliding
The guiding bulge loop of conjunction is equipped with irrigation channel in the gland, and the irrigation channel entrance is located on the outside of the gland, the flushing
Channel outlet is located at the gland left end at the inner edge of the stationary ring, and the both ends of the spring is pressed respectively against the stationary ring end
On the end internal projecting ring, it is close that the stationary ring being located on the guiding bulge loop end face is equipped between the stationary ring and gland inside
Seal, the rotating ring is fixed to be set on the outside of the axle sleeve left end, and the stationary ring left end is mutually adjacent to the rotating ring right end.
Preferably, sleeve sealing circle is equipped on the inside of the axle sleeve left end, it is close to be provided with gland in the gland left end face
The side of seal, the first step portion is equipped with seal ring of moving ring.
Preferably, the step-like flange of radially protruding is equipped on the outside of the axle sleeve left end, the rotating ring fixation is set in institute
It states in the first step portion of step-like flange, on the inside of the rotating ring there is radially protruding to contact with the first step end surface
Bulge loop.
Preferably, the outer sheath of the axle sleeve is equipped with the transmission pressure ring with its tight fit, is arranged on the outside of the transmission pressure ring
There is outer press ring, three is connected to by the interconnecting piece that extrusion screw passes through the transmission pressure ring, the outer press ring and locating piece right end
Together, there is radial flange, the groove on the outside of the radial flange and the gland end cooperates on the inside of the locating piece left end；
There is on the outside of the transmission pressure ring with the outer press ring inside taper type step being fitted to each other, the step end of the transmission pressure ring
Face and there is gap between the step end face of the outer press ring, the extrusion screw passes through the gap.
Preferably, the outer sheath of the axle sleeve is equipped with transmission ring, and the transmission ring is fixed by screw and the axle sleeve, institute
State the snap ring for being installed on axle sleeve and playing position-limiting action on the right side of the transmission ring.
Preferably, the transmission ring outer sheath is equipped with the locating piece that is secured to by screw, in the locating piece left end
Side has the radial flange connecting with the gland, and the radial flange is inserted into the groove on the outside of the gland end.
Preferably, the rotation stop bolt being inserted radially into is installed, the stationary ring is equipped with and the rotation stop spiral shell on the gland
The guide chute that the insertion end of bolt is slidably matched.
Preferably, the spring is the big line footpath spring covered outside the axle sleeve.
Preferably, the stationary ring is made of YG8 tungsten-cobalt alloy, and the rotating ring is made of YG6 tungsten-cobalt alloy, the axis
Set and the gland are to be made of stainless steel.
The advantage of the invention is that：Stationary ring, gland side wall, guiding bulge loop and stationary ring sealing ring prevent pitch medium from seeping together
Enter to inside sealing element, especially perishable spring.Irrigation channel is constantly sprayed from its outlet by pitch medium from especially simultaneously
It is to have to prevent effect well to the solid particle in pitch medium.It can be reduced rotating ring in this way and generated during rotation with stationary ring
Abrasion, and reduce the corrosion received at stationary ring sealing ring, better ensure that sealing effect herein and extend making for sealing element
Use the service life.
In this sealing element, the part for being easy to happen phase mutual friction is only inherently needed using the high anticorrosive material of high abrasion
Manufactured rotating ring and the meeting of stationary ring part and media contact, strong friction will not occurs with media contact part in other substantially, reduce
Sealing element other component generates the possibility of abrasion when pump shaft high speed rotation, increases the service life of sealing element.And the knot
Inner cavity is sealed in structure only need to make limited modification to the structure of gland and stationary ring, will not occupy too many space, can be applied to more
The sealing situation of kind form, the scope of application are more.
Step-like flange is not easy to enable rotating ring loosen because of abrasion convenient for installing rotating ring and being connected firmly between rotating ring.It passes
Dynamic pressure ring can be positioned effectively with gland by locating piece, prevent axial float, while further through fastening hold-down bolt bring diameter
It tightly presses and is fixed together with axle sleeve to pressure.A circle hold-down bolt need to be only fastened when assembly just while being realized and gland
Positioning and the fastening of axle sleeve is driven, easy to assembly, efficiency improves.Big line footpath spring volume is big, elastic stability, is not susceptible to
Vibration is rocked, high-speed rotating sealing element good reliability, long service life are used for.Stationary ring, rotating ring, axle sleeve and gland material be
It is consistent with respective needs, stainless steel can be corrosion-resistant, and price is lower than tungsten-cobalt alloy.And stationary ring and rotating ring use corresponding wear resistant corrosion resistant
Tungsten-cobalt alloy, can prevent from dielectric corrosion wear-out failure sealing inner cavity of experiencing to the buffer action of pitch medium and guarantor
Card forms the sealing effect that sealing film guarantees sealing element in the end face of fitting under the action of the spring.Although pitch is easily to sealing element
The medium for corroding and wearing, the alloy that this sealing element only has stationary ring, rotating ring that need to use high price are caused, totle drilling cost does not mention greatly very much
It rises.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the partial structural diagram that the embodiment of the present invention 2 and the embodiment 1 distinguish part.
Wherein, 1, axle sleeve, 2, rotating ring, 3, stationary ring, 4, spring, 5, fillister head screw, 6, locating piece, 7, transmission ring, 8, card
Ring, 9, female end holding screw, 10, gland, 11, stationary ring sealing ring, 12, gland ring, 13, seal ring of moving ring, 14, axle sleeve
Sealing ring, 15, guide chute, 16, rotation stop bolt, 17, radial flange, 18, first step portion, 19, end internal projecting ring, 20, lead
To bulge loop, 21, irrigation channel, 22, extrusion screw, 23, transmission pressure ring, 24, outer press ring.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making further details of theory to the specific embodiment of the invention
It is bright, to help those skilled in the art to have more complete, accurate and deep reason to inventive concept of the invention, technical solution
Solution.
Embodiment 1：
As shown in Figure 1, the present invention provides a kind of big transmission pitch mechanical sealing member of modified, including gland 10, stationary ring
3, rotating ring 2, transmission ring 7, spring 4 and axle sleeve 1.Stationary ring 3, rotating ring 2, transmission ring 7, spring 4 and gland 10 are all set in axle sleeve 1
Outside, stationary ring 3, rotating ring 2 and spring 4 are located at 10 inside of gland, and transmission ring 7 is located at 10 the right of gland, and 10 left side of gland is directed towards drip
On one side, 10 the right of gland is then far from pitch medium one side to green medium.
There is the end internal projecting ring 19 of radially protruding, 10 inside of gland also has radial on the inside of 10 right end of gland
The guiding bulge loop 20 being slidably matched with the stationary ring 3 formed is protruded, is equipped with irrigation channel 21, the flushing in the gland 10
21 entrance of channel is located at 10 outside of gland, and the outlet of irrigation channel 21 is located at 10 left end of gland close to the stationary ring
At 3 inner edge, 4 both ends of spring are pressed respectively against on 3 end of stationary ring and the end internal projecting ring 19, the stationary ring 3 with
The stationary ring sealing ring 11 being located on guiding 20 end face of bulge loop is equipped between 10 inside of gland, the fixation of rotating ring 2 is arranged
On the outside of 1 left end of axle sleeve, 3 left end of stationary ring is mutually adjacent to 2 right end of rotating ring.
The step-like flange of radially protruding is equipped on the outside of 1 left end of axle sleeve, the fixation of rotating ring 2 is set in the first of step-like flange
In stage portion 18.The bulge loop contacted with radially protruding with 18 end face of first step portion on the inside of rotating ring 2, convenient for the positioning of rotating ring 2
Installation is connected firmly between step-like flange and rotating ring 2 and is not easy to enable rotating ring 2 to loosen because of abrasion.It is oriented to bulge loop 20, end convex
Ring 19, stationary ring 3,1 side wall of axle sleeve and 10 side wall of gland together form sealing inner cavity.Spring 4 be cover it is big outside the axle sleeve 1
Line footpath spring.Big line footpath spring volume is big, elastic stability, is not susceptible to rock vibration, reliable for high-speed rotating sealing element
Good, the long service life of property.
It is equipped on gland 10 and is inserted radially into rotation stop bolt 16, stationary ring 3 is equipped with guide chute 15, and rotation stop bolt 16 is inserted
Enter end to be slidably matched across gland 10 and the guide chute 15, playing prevents stationary ring 3 and gland 10 from sending the work relatively rotated
With.
It is equipped with sleeve sealing circle 14 on the inside of 1 left end of axle sleeve, is provided with gland ring 12 in 10 left end face of gland, first
The side of stage portion 18 is equipped with seal ring of moving ring 13, is equipped with and is located on guiding 20 end face of bulge loop between 10 inside of stationary ring 3 and gland
Stationary ring sealing ring 11.Guarantee the sealing to left side pitch medium in this way, prevents it from leaking into outside sealing inner cavity or this sealing element
Portion.
The outer sheath of axle sleeve 1 is equipped with transmission ring 7, and transmission ring 7 is fixed by female end holding screw 9 and axle sleeve 1, on axle sleeve 1
It is installed with the snap ring 8 that position-limiting action is played on the right side of transmission ring 7.7 outer sheath of transmission ring is equipped with to be secured to by fillister head screw 5
Locating piece 6, there is on the inside of 6 left end of locating piece the radial flange 17 connect with gland 10, the insertion of radial flange 17 10 end of gland
Groove on the outside of portion.Transmission ring 7 is installed by female end holding screw 9, is not easy to loosen, and reliable transmission is good, and snap ring 8 is convenient for biography
Rotating ring 7 positions, and enables its easy for installation.Transmission ring 7 is connected by locating piece 6 with gland 10, forms a set of integrated mechanical sealing,
Guarantee that gland 10 and the relative axial position of axle sleeve 1 are constant, reduces play.
Stationary ring 3 is made of YG8 tungsten-cobalt alloy, and rotating ring 2 is made of YG6 tungsten-cobalt alloy, axle sleeve 1 and gland 10 be by
Stainless steel is made.Stainless steel can be corrosion-resistant, and price is lower than tungsten-cobalt alloy.And stationary ring 3 and rotating ring 2 use corresponding wear resistant corrosion resistant
Tungsten-cobalt alloy, can prevent from dielectric corrosion wear-out failure sealing inner cavity of experiencing to the buffer action of pitch medium and guarantor
It demonstrate,proves and forms the sealing effect that sealing film guarantees sealing element in the end face of fitting under the effect of spring 4.Although pitch is easily to sealing
Part causes the medium for corroding and wearing, and the alloy that this sealing element only has stationary ring 3, rotating ring 2 that need to use high price, totle drilling cost is without too big
It is promoted.
Embodiment 2：
The present embodiment the difference from embodiment 1 is that：Transmission ring 7 become be driven pressure ring 23, the structure of locating piece 5 also with
Change, and add outer press ring 24.Specific improvement is as follows：
The outer sheath of axle sleeve 1 is equipped with the transmission pressure ring 23 with 1 tight fit of axle sleeve, is connected to axle sleeve 1 by its right side
On snap ring 8 positioned, axle sleeve 1 is by being driven the pressure fixation pressed against that generates to it of pressure ring 23.It is driven outside pressure ring 23
It is cased with outer press ring 24, there is mutually matched taper type step between outer press ring 24 and transmission pressure ring 23.The platform being driven on pressure ring 23
Rank end face and have gap between the step end face of 5 right end of locating piece, extrusion screw 22 pass perpendicularly through above-mentioned step end face and
Gap.
5 right end of locating piece has the interconnecting piece perpendicular to 1 axis of axle sleeve, the company of 23 left side of outer press ring and 5 right end of locating piece
Socket part fitting.Extrusion screw 22 passes through transmission pressure ring 23, three is connected to by the interconnecting piece of 5 right end of outer press ring 24 and locating piece
Together.In this way when extrusion screw 22 is tightened, locating piece 5 can generate radial compression to transmission pressure ring 23 by the side of cone cell and make
With transmission pressure ring 23, which inwardly shrinks and then squeezes axle sleeve 1, plays fastening transmission effect.This embodiment is run jointly for 1 discomfort of axle sleeve
The case where hole, transmission pressure ring 23 can be positioned effectively with gland 10 by locating piece, prevent axial float, while pressing further through fastening
Tight 22 bring radial pressure of bolt is tightly pressed with axle sleeve 1 to be fixed together.A circle hold-down bolt need to be only fastened when assembly
22 just realize with the positioning of gland 10 simultaneously and are driven to the fastening of axle sleeve 1, and easy to assembly, efficiency improves.
Stationary ring 3,10 side wall of gland, guiding bulge loop 20 and stationary ring sealing ring 11 combine in above-mentioned sealing element prevents drip together
Green medium penetrates into inside sealing element, especially protects perishable spring 4.Irrigation channel 21 constantly will from its outlet simultaneously
Pitch medium spray from, especially to the solid particle in pitch medium have well prevent effect.Can be reduced in this way rotating ring 2 with it is quiet
The abrasion that ring 3 generates during rotation, and the corrosion received at stationary ring sealing ring 11 is reduced, better ensure that sealing herein
Effect and the service life for extending sealing element.The part that phase mutual friction is easy to happen when rotating simultaneously only inherently needs to use
Rotating ring 2 made of the high anticorrosive material of high abrasion and 3 part meeting of stationary ring and media contact, other substantially will not with media contact part
Strong friction occurs, sealing element other component generates the possibility of abrasion when reducing pump shaft high speed rotation, increases sealing element
Service life.And sealing inner cavity only need to make limited modification to the structure of gland 10 and stationary ring 3 in the structure, will not occupy
Too many space, can be applied to the sealing situation of diversified forms, and the scope of application is more.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, it is or not improved as long as using the improvement for the various unsubstantialities that the method for the present invention conception and technical scheme carry out
Present inventive concept and technical solution are directly applied into other occasions, within that scope of the present invention.
Claims (9)
1. a kind of big transmission pitch mechanical sealing member of modified, it is characterised in that：Including gland (10), stationary ring (3), rotating ring (2),
Spring (4) and axle sleeve (1), gland (10) are set in axle sleeve (1) outside, the stationary ring (3), the rotating ring (2) and the spring (4)
Between the axle sleeve (1) and the gland (10), there is the end convex of radially protruding on the inside of gland (10) right end
Ring (19), the guiding bulge loop being slidably matched with the stationary ring (3) that gland (10) inside is also formed with radially protruding
(20), irrigation channel (21) being equipped in the gland (10), irrigation channel (21) entrance is located on the outside of the gland (10),
Irrigation channel (21) outlet is located at the gland (10) left end at the inner edge of the stationary ring (3), the spring (4) two
End is pressed respectively against on the stationary ring (3) end and the end internal projecting ring (19), on the inside of the stationary ring (3) and the gland (10)
Between be equipped with the stationary ring sealing ring (11) being located on described guiding bulge loop (20) end face, the rotating ring (2) fixation is set in the axis
It covers on the outside of (1) left end, stationary ring (3) left end is mutually adjacent to the rotating ring (2) right end.
2. the big transmission pitch mechanical sealing member of a kind of modified according to claim 1, it is characterised in that：The axle sleeve
(1) sleeve sealing circle (14) are equipped on the inside of left end, are provided with gland ring (12) in gland (10) left end face, it is described
The side in first step portion (18) is equipped with seal ring of moving ring (13).
3. the big transmission pitch mechanical sealing member of a kind of modified according to claim 2, it is characterised in that：The axle sleeve
(1) the step-like flange of radially protruding is equipped on the outside of left end, rotating ring (2) fixation is set in the first of the step-like flange
In stage portion (18), the bulge loop that on the inside of the rotating ring (2) there is radially protruding to contact with first step portion (18) end face.
4. the big transmission pitch mechanical sealing member of a kind of modified according to any one of claim 1-3, it is characterised in that：
The outer sheath of the axle sleeve (1) is equipped with transmission ring (7), and the transmission ring (7) is fixed by screw and the axle sleeve (1), described
The snap ring (8) that position-limiting action is played on the right side of the transmission ring (7) is installed on axle sleeve (1).
5. the big transmission pitch mechanical sealing member of a kind of modified according to claim 4, it is characterised in that：The transmission ring
(7) outer sheath is equipped with the locating piece (5) being secured to by screw, has and the gland on the inside of locating piece (5) left end
(10) radial flange (17) connected, the radial flange (17) are inserted into the groove on the outside of gland (10) end.
6. the big transmission pitch mechanical sealing member of a kind of modified according to any one of claim 1-3, it is characterised in that：
The outer sheath of the axle sleeve (1) is equipped with the transmission pressure ring (23) with its tight fit, and transmission pressure ring (23) outer sheath is equipped with outer
Pressure ring (24), extrusion screw (22) pass through the connection of transmission pressure ring (23), the outer press ring (24) and locating piece (5) right end
Portion links together three, has radial flange (17), the radial flange (17) and institute on the inside of locating piece (5) left end
State the groove cooperation on the outside of gland (10) end；Have each other on the outside of the transmission pressure ring (23) on the inside of the outer press ring (24)
The taper type step of cooperation, the step end face of transmission pressure ring (23) with it is free between the step end face of the outer press ring (24)
Gap, the extrusion screw (22) pass through the gap.
7. the big transmission pitch mechanical sealing member of a kind of modified according to claim 1, it is characterised in that：The gland
(10) the rotation stop bolt (16) being inserted radially into is installed, the stationary ring (3) is equipped with the insertion with the rotation stop bolt (16) on
Hold the guide chute (15) being slidably matched.
8. the big transmission pitch mechanical sealing member of a kind of modified according to claim 1, it is characterised in that：The spring
It (4) is the big line footpath spring covered in the axle sleeve (1) outside.
9. the big transmission pitch mechanical sealing member of a kind of modified according to claim 1, it is characterised in that：The stationary ring
(3) it is made of YG8 tungsten-cobalt alloy, the rotating ring (2) is made of YG6 tungsten-cobalt alloy, the axle sleeve (1) and the gland
It (10) is to be made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810536104.2A CN108869380A (en) | 2018-05-30 | 2018-05-30 | A kind of big transmission pitch mechanical sealing member of modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810536104.2A CN108869380A (en) | 2018-05-30 | 2018-05-30 | A kind of big transmission pitch mechanical sealing member of modified |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108869380A true CN108869380A (en) | 2018-11-23 |
Family
ID=64335664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810536104.2A Pending CN108869380A (en) | 2018-05-30 | 2018-05-30 | A kind of big transmission pitch mechanical sealing member of modified |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108869380A (en) |
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| CN107524810A (en) * | 2016-06-21 | 2017-12-29 | 辽宁天泽产业集团机械制造有限公司 | A kind of stirrer mechanical seal device |
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2018
- 2018-05-30 CN CN201810536104.2A patent/CN108869380A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201059282Y (en) * | 2007-06-08 | 2008-05-14 | 聂如国 | Mechanical sealing structure of pump shaft |
| CN202612621U (en) * | 2012-03-26 | 2012-12-19 | 安徽德润工业设备有限公司 | Stationary packaging type mechanical sealing structure |
| CN202545822U (en) * | 2012-03-27 | 2012-11-21 | 安徽德润工业设备有限公司 | Static mechanical seal structure |
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| CN204437275U (en) * | 2015-01-12 | 2015-07-01 | 芜湖市中天密封件有限公司 | A kind of grains of sand seperator Sealing |
| CN107524810A (en) * | 2016-06-21 | 2017-12-29 | 辽宁天泽产业集团机械制造有限公司 | A kind of stirrer mechanical seal device |
| CN205978462U (en) * | 2016-08-26 | 2017-02-22 | 昆山福步工业设备有限公司 | Be applied to the chemical industry's single -ended face mechanical seal |
| CN207297449U (en) * | 2017-09-30 | 2018-05-01 | 四川大禹机械密封件制造有限公司 | Super corrosion resistant large arch dam mechanically-sealing apparatus |
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Application publication date: 20181123 |