CN201844014U - Split solid dust mechanical shaft seal system - Google Patents
Split solid dust mechanical shaft seal system Download PDFInfo
- Publication number
- CN201844014U CN201844014U CN2010205641644U CN201020564164U CN201844014U CN 201844014 U CN201844014 U CN 201844014U CN 2010205641644 U CN2010205641644 U CN 2010205641644U CN 201020564164 U CN201020564164 U CN 201020564164U CN 201844014 U CN201844014 U CN 201844014U
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- CN
- China
- Prior art keywords
- ring
- gland
- seat
- ring seat
- rotating shaft
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- Expired - Lifetime
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Abstract
The utility model discloses a split solid dust mechanical shaft seal system. The inner side of the centre hole of a gland is provided with multiple layers of lip seal rings; the outer side of the centre hole of the gland is in a stepped hole shape; a rotating shaft in a stepped hole is sheathed with a seal static ring which is fixedly connected with the gland together; a rotating shaft at the outer side of the static ring is sheathed with a rotating ring, a transmission seat and a fixed ring seat in sequence, and the rotating ring, the transmission seat and the fixed ring seat are connected respectively through a pin and rotate synchronously; the fixed ring seat is fixedly connected together with the rotating shaft through a bolt; the inner circumferential wall of the fixed ring seat is provided with an O-shaped seal ring which is in contact with the rotating shaft; an annular groove is arranged in the fixed ring seat near the gland; the transmission seat is matched and sheathed in the annular groove; an O-shaped seal ring is arranged between the inner end surface of the fixed ring seat near the gland and an annular retainer shoulder of the outer circumferential wall of the rotating ring; the fixed ring seat and the rotating ring are matched and sheathed in a fixed gland; the fixed ring seat, the transmission seat, the rotating ring, the static ring and the fixed gland are respectively formed by two half bodies; the two half bodies are connected through the pins and the bolts which are vertical to the rotating shaft; the end surface of the static ring which is contact with the rotating ring is provided with a lubrication antifriction structure; and a compensating spring is arranged between the transmission seat and the fixed ring seat.
Description
Technical field
The utility model relates to a kind of axle sealing system that is used for dust machinery, particularly a kind of split type solid dust mechanical shaft seal system.
Background technique
The dust-like equipment sealing packing_seals that adopt more, seal failure is frequent with damage, and on the particularly dry kind equipment, the seal failure situation is especially outstanding.The main cause of a lot of equipment failures is packing_seal sclerosis, does not have equilibrant force, as easy as rolling off a log damage axle or axle sleeve.
Summary of the invention
The purpose of this utility model is to provide a kind of split type solid dust mechanical shaft seal system, and it is simple in structure, is easy to make install, and can improve and carry the effect of dust-like equipment with sealing, prolongs the time of the lasting start of equipment.
The purpose of this utility model is achieved in that a kind of split type solid dust mechanical shaft seal system, comprise the axle sealed cover that is installed on the machine casing, between gland and the box sealing face Tetrafluoro spacer is being set, the inboard of gland center hole is being provided with the multilayer lip seal circle that contacts with rotating shaft sealing, it is poroid that the outside of gland center hole is ladder, suit a sealing stationary ring that is fixed together with gland in the rotating shaft in shoulder hole, suit a rotating ring successively in the rotating shaft in the stationary ring outside, retainer and one is ring seat fixedly, link to each other by pin respectively and rotation synchronously between this three, fixedly ring seat is fixed together by screw and rotating shaft, fixedly is being provided with on the ring seat inner circle wall and the contacted O RunddichtringO of rotating shaft; Has an annular groove near in the fixedly ring seat of gland, the retainer engage sleeves is contained in the annular groove, between the fixedly ring seat interior edge face of close gland and the rotating ring periphery wall annular shoulder block O RunddichtringO is being set, fixedly ring seat and rotating ring engage sleeves are contained in the stationary gland, fixing ring seat, retainer, rotating ring, stationary ring and stationary gland are made of the two halves body respectively, between the two halves body respectively by linking to each other with perpendicular pin and the bolt of rotating shaft, on the contacted stationary ring end face of rotating ring lubricated anti-attrition structure is being set, have a blind hole respectively on the retainer coaxial end face relative, counterbalance spring is housed between the blind hole with fixing ring seat.
The utility model in the Seal cage indoor design lip seal, as first road sealing, slow down dust to external leakage, reduce and the between centers crack.In the outer end, adopt the end face seal structure form, form by stationary ring, rotating ring, compensation mechanism, anti-rotation/driving mechanism, auxiliary seal.Adopt the end face perforate to inject solid oil and solve the end face lubrication problem.Overall structure adopts split type structure, and all connection parts all have pin to connect the location.
After the utility model utilization, sealability extended to more than 1200 hours by original 72 hours, the employee work environment is greatly improved, the utility model is simple in structure, is easy to make install, and can improve the cycle of equipment continuous running, can improve and carry the effect of dust-like equipment with sealing, the time of the lasting start of prolongation equipment reduces maintenance expenses and repair density, reduces enterprise's cost of production.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 looks cross-sectional view for master of the present utility model.
Embodiment
A kind of split type solid dust mechanical shaft seal system, as shown in Figure 1, comprise the axle sealed cover 2 that is installed on the machine casing, between gland 2 and the box sealing face Tetrafluoro spacer 18 is being set, the inboard of gland center hole is being provided with the multilayer lip seal circle 1 that contacts with rotating shaft sealing, in order to slow down dust to external leakage, through running after a while, lip seal can be than quick-wearing when aneroid is lubricated, after the wearing and tearing, produce micro-gap between lip seal and the axle, lip seal belongs to multilayer, can play the effect of labyrinth seal simultaneously.
It is poroid that the outside of gland center hole is ladder, suit a sealing stationary ring 4 that is fixed together with gland in the rotating shaft in shoulder hole, has an annular shoulder block on the outer peripheral surface of stationary ring 4, between the middle part end face in annular shoulder block and the shoulder hole O RunddichtringO 17 is being set, is leaving the gap between the interior edge face of stationary ring 4 interior edge faces and shoulder hole and also link to each other by horizontally disposed stop pin 3.
Suit fixedly ring seat 11 of a rotating ring 6, retainer 8 and successively in the rotating shaft in stationary ring 4 outsides, links to each other and rotation synchronously by pin 21,9 respectively between this three.
Fixedly ring seat 11 is fixed together by screw and rotating shaft.On the lateral part of fixing ring seat 11, be symmetrical arranged at least two with the perpendicular through hole of rotating shaft, be separately installed with screw in the through hole, tighten screw and make that fixedly ring seat is rotated synchronously with rotating shaft.Fixedly be provided with on the ring seat inner circle wall and the contacted O RunddichtringO 10 of rotating shaft.
Has an annular groove near in the fixedly ring seat 11 of gland, retainer 8 engage sleeves are contained in the annular groove, between the fixedly ring seat interior edge face of close gland and the rotating ring periphery wall annular shoulder block O RunddichtringO 7 is being set, fixedly ring seat 11 and rotating ring 6 engage sleeves are contained in the stationary gland 12, fixedly ring seat 11, retainer 8, rotating ring 6, stationary ring 4 and stationary gland 12 are made of the two halves body respectively, between the two halves body respectively by linking to each other with perpendicular pin and the bolt of rotating shaft.Promptly, link to each other by pin 16 between the two halves body of stationary ring 4, link to each other by pin 5 between the two halves body of rotating ring 6, fixedly link to each other by pin 13 between the two halves body of ring seat 11, link to each other by pin 20 and bolt 19 between the two halves body of stationary gland 12.
On rotating ring 6 contacted stationary ring 4 end faces lubricated anti-attrition structure is being set.Said lubricated anti-attrition structure is being provided with lubricant grease or oiling agent for annular groove or blind hole uniformly at intervals to be set in annular groove or the blind hole on the exterior edge face of stationary ring.
Be coned face near fitting surface relative between the retainer of gland annular shoulder block interior edge face and the close retaining ring seat ring connected in star interior edge face of gland, the normal of this coned face and the angle between the vertical line are 15 °.
In the stationary gland middle part annular groove is being set, fixedly the middle part periphery wall engage sleeves of ring seat 11 is contained in this annular groove.
In installation process, retainer 8 will with fixing ring seat 11 as one, should conveniently install and reach the design compensation stroke again, therefore retainer 8 cooperates with fixing 15 ° of oblique angles of ring seat 11 employings, position with spacing, guaranteed that simultaneously retainer 8 and fixing ring seat 11 are integrated in assembling process.Fixedly adopt O type circle 10 to seal between ring seat 11 and the axle, and the not sealing of design and axle on retainer 8 and rotating ring 6, the equilibrant force of spring 14 is all acted on the retainer 8, thereby make rotating ring 6 and stationary ring 4 end faces be in closed state.Fixing ring seat 11 except have pin 13 fixing, designed stationary gland 12 again and adopted bolt 19 to connect two-part of subdivision, guarantee the hidden danger that in running, can not occur coming off.The structure of all subdivisions has all adopted the pin connection, can guarantee the concentricity of package unit, can not influence installation because of the accumulative total of machining error.
Claims (6)
1. split type solid dust mechanical shaft seal system, comprise the axle sealed cover that is installed on the machine casing, it is characterized in that: between gland and the box sealing face Tetrafluoro spacer is being set, the inboard of gland center hole is being provided with the multilayer lip seal circle that contacts with rotating shaft sealing, it is poroid that the outside of gland center hole is ladder, suit a sealing stationary ring that is fixed together with gland in the rotating shaft in shoulder hole, suit a rotating ring successively in the rotating shaft in the stationary ring outside, retainer and one is ring seat fixedly, link to each other by pin respectively and rotation synchronously between this three, fixedly ring seat is fixed together by screw and rotating shaft, fixedly is being provided with on the ring seat inner circle wall and the contacted O RunddichtringO of rotating shaft; Has an annular groove near in the fixedly ring seat of gland, the retainer engage sleeves is contained in the annular groove, between the fixedly ring seat interior edge face of close gland and the rotating ring periphery wall annular shoulder block O RunddichtringO is being set, fixedly ring seat and rotating ring engage sleeves are contained in the stationary gland, fixing ring seat, retainer, rotating ring, stationary ring and stationary gland are made of the two halves body respectively, between the two halves body respectively by linking to each other with perpendicular pin and the bolt of rotating shaft, on the contacted stationary ring end face of rotating ring lubricated anti-attrition structure is being set, retainer and fixedly leave the gap between the ring seat opposing end faces, have a blind hole respectively on the retainer coaxial end face relative, counterbalance spring is housed between the blind hole with fixing ring seat.
2. split type solid dust mechanical shaft seal according to claim 1 system, it is characterized in that: have an annular shoulder block on the outer peripheral surface of stationary ring, between the middle part end face in annular shoulder block and the shoulder hole O RunddichtringO is being set, is leaving the gap between the interior edge face of stationary ring interior edge face and shoulder hole and also link to each other by horizontally disposed stop pin.
3. split type solid dust mechanical shaft seal according to claim 1 system, it is characterized in that: said lubricated anti-attrition structure is being provided with lubricant grease or oiling agent for annular groove or blind hole uniformly at intervals to be set in annular groove or the blind hole on the exterior edge face of stationary ring.
4. split type solid dust mechanical shaft seal according to claim 1 system, it is characterized in that: on the lateral part of fixing ring seat, be symmetrical arranged at least two with the perpendicular through hole of rotating shaft, be separately installed with screw in the through hole, tighten screw and make that fixedly ring seat is rotated synchronously with rotating shaft.
5. split type solid dust mechanical shaft seal according to claim 1 system is characterized in that: be coned face near fitting surface relative between the retainer annular shoulder block interior edge face of gland and the close retaining ring seat ring connected in star interior edge face of gland.
6. split type solid dust mechanical shaft seal according to claim 1 system is characterized in that: in the stationary gland middle part annular groove is being set, fixedly the middle part periphery wall engage sleeves of ring seat is contained in this annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205641644U CN201844014U (en) | 2010-10-15 | 2010-10-15 | Split solid dust mechanical shaft seal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205641644U CN201844014U (en) | 2010-10-15 | 2010-10-15 | Split solid dust mechanical shaft seal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201844014U true CN201844014U (en) | 2011-05-25 |
Family
ID=44038906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205641644U Expired - Lifetime CN201844014U (en) | 2010-10-15 | 2010-10-15 | Split solid dust mechanical shaft seal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201844014U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011865A (en) * | 2010-10-15 | 2011-04-13 | 新疆乌苏市北方新科有限公司 | Split type solid dust mechanical seal system |
| CN102330820A (en) * | 2011-08-24 | 2012-01-25 | 江苏华青流体科技有限公司 | Mechanical seal device |
| CN102352923A (en) * | 2011-09-30 | 2012-02-15 | 湖南中联重科车桥有限公司 | Seal structure |
| CN102563078A (en) * | 2012-03-08 | 2012-07-11 | 大连华阳光大密封有限公司 | Bidirectional pressure-bearing mechanical seal structure applied to medium containing solid particles |
| CN109027234A (en) * | 2018-08-10 | 2018-12-18 | 河北大唐国际张家口热电有限责任公司 | A kind of wet ball mill sealing structure and wet ball mill |
| CN115126875A (en) * | 2022-09-02 | 2022-09-30 | 常州天马粉体科技有限公司 | Shaft end mechanical sealing device suitable for powder conveying equipment |
-
2010
- 2010-10-15 CN CN2010205641644U patent/CN201844014U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011865A (en) * | 2010-10-15 | 2011-04-13 | 新疆乌苏市北方新科有限公司 | Split type solid dust mechanical seal system |
| CN102011865B (en) * | 2010-10-15 | 2013-01-23 | 新疆乌苏市北方新科有限公司 | Split type solid dust mechanical shaft seal system |
| CN102330820A (en) * | 2011-08-24 | 2012-01-25 | 江苏华青流体科技有限公司 | Mechanical seal device |
| CN102352923A (en) * | 2011-09-30 | 2012-02-15 | 湖南中联重科车桥有限公司 | Seal structure |
| CN102563078A (en) * | 2012-03-08 | 2012-07-11 | 大连华阳光大密封有限公司 | Bidirectional pressure-bearing mechanical seal structure applied to medium containing solid particles |
| CN109027234A (en) * | 2018-08-10 | 2018-12-18 | 河北大唐国际张家口热电有限责任公司 | A kind of wet ball mill sealing structure and wet ball mill |
| CN109027234B (en) * | 2018-08-10 | 2024-04-02 | 河北大唐国际张家口热电有限责任公司 | Wet ball mill seal structure and wet ball mill |
| CN115126875A (en) * | 2022-09-02 | 2022-09-30 | 常州天马粉体科技有限公司 | Shaft end mechanical sealing device suitable for powder conveying equipment |
| CN115126875B (en) * | 2022-09-02 | 2022-11-29 | 常州天马粉体科技有限公司 | Shaft end mechanical sealing device suitable for powder conveying equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110525 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |