CN104675968A - Pumping unit speed reducer shaft head sealing structure - Google Patents
Pumping unit speed reducer shaft head sealing structure Download PDFInfo
- Publication number
- CN104675968A CN104675968A CN201310607674.3A CN201310607674A CN104675968A CN 104675968 A CN104675968 A CN 104675968A CN 201310607674 A CN201310607674 A CN 201310607674A CN 104675968 A CN104675968 A CN 104675968A
- Authority
- CN
- China
- Prior art keywords
- ring
- cover
- ball
- speed reducer
- bearing
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a pumping unit speed reducer shaft head sealing structure which comprises a shaft head, a gland, a bearing end cover and a box body, wherein a rectangular rubber ring is directly arranged on both the gland and the bearing end cover; an asbestos pad is arranged between the bearing end cover and the box body; a sealing cover is further arranged at the part, where the asbestos pad is arranged, between the bearing end cover and the box body; a transmission sleeve is mounted on the shaft head through a fixed pin; a fixed ring is arranged in the bearing end cover; a moving ring is arranged on and connected with the transmission sleeve; a pin is mounted on the moving ring; a fixed ring O-shaped rubber ring and a moving ring O-shaped rubber ring are respectively arranged on the fixed ring and the moving ring; and a spring is mounted between the moving ring and the transmission sleeve. By adopting the technical scheme, reliable sealing performance of the pumping unit speed reducer shaft head sealing structure is realized and the service life is long.
Description
Technical field
The present invention relates to a kind of oil pump speed reducer spindle nose sealing structure, belong to pumping unit technical field.
Background technique
In oilfield exploitation, often there is oil seepage phenomena in various degree in oil pump speed reducer, the main portions of leakage of oil has spindle nose and the bearing (ball) cover of upper lower box junction plane, input shaft, output shaft, and sealing member material mainly contains felt and rectangular rubber, seal action is played by compressing gland, its shortcoming is poor sealing performance, and along with the prolongation of service time, soft packing is out of shape by compressing for a long time, lose original elasticity, wear and tear gradually, cannot auto-compensation, do not have permanent sealing effect.This is the main cause causing retarder spindle nose leakage of oil; Along with field produces development, propose new requirement to the sealing of retarder, soft packing seal weak effect, working life is short, and inconvenient field maintenance can not adapt to the requirement of modern petroleum industry; Therefore thoroughly solve the Leakage of retarder, must improve with on the spindle nose sealing structure of oil pump speed reducer.
Summary of the invention
For the technical problem of above-mentioned existence, the object of the invention is: propose a kind of sealability reliable, long service life oil pump speed reducer spindle nose sealing structure.
Technical solution of the present invention is achieved in that a kind of oil pump speed reducer spindle nose sealing structure, comprise spindle nose, gland, bearing (ball) cover, casing, described gland and bearing (ball) cover are directly provided with regular rubber ring, be provided with asbestos packing between described bearing (ball) cover and casing, be provided with asbestos packing place between described bearing (ball) cover and casing and be also provided with sealing cover; Described spindle nose is provided with drive sleeve by fixing pin; Described bearing (ball) cover inside is provided with stationary ring; Described drive sleeve is connected with rotating ring; Described rotating ring is provided with pin; Described stationary ring, rotating ring are respectively equipped with stationary ring O shape rubber ring, rotating ring O shape rubber ring; Between described rotating ring and drive sleeve, spring is housed.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
A kind of oil pump speed reducer spindle nose sealing structure of the present invention, by drive sleeve fixing pin is fixed on spindle nose, stationary ring and bearing (ball) cover endoporus are interference fit, be provided with asbestos packing place and be also provided with sealing cover between bearing (ball) cover and casing, and improving sealing further can, when the shaft is rotated, fixing pin drives drive sleeve to rotate together, and between rotating ring and drive sleeve, spring is housed, rotating ring under the action of the spring, on the one hand by the interlock effect of the pin on it and drive sleeve, rotate with axle; On the other hand, can move vertically under the guiding of drive sleeve pin chute, the rotating ring of rotation and the seal face of stationary ring is made to be in fit-state all the time, there is the oil film that one deck is very thin therebetween, to reach the object of rotary seal, make the sealability of oil pump speed reducer spindle nose sealing structure reliable like this, long service life.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the structural representation of a kind of oil pump speed reducer spindle nose sealing structure of the present invention;
Wherein: 1, spindle nose; 2, gland; 3, bearing (ball) cover; 4, casing; 5, regular rubber ring; 6, asbestos packing; 7, fixing pin; 8, drive sleeve; 9, stationary ring; 10, rotating ring; 11, pin; 12, stationary ring O shape rubber ring; 13, rotating ring O shape rubber ring; 14, spring; 15, sealing cover.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described.
Accompanying drawing 1 is a kind of oil pump speed reducer spindle nose sealing structure of the present invention, comprise spindle nose 1, gland 2, bearing (ball) cover 3, casing 4, described gland 2 is directly provided with regular rubber ring 5 with bearing (ball) cover 3, be provided with asbestos packing 6 between described bearing (ball) cover 3 and casing 4, be provided with asbestos packing 6 place between described bearing (ball) cover 3 and casing 4 and be also provided with sealing cover 15; Described spindle nose 1 is provided with drive sleeve 8 by fixing pin 7; Described bearing (ball) cover 3 inside is provided with stationary ring 9; Described drive sleeve 8 is connected with rotating ring 10; Described rotating ring 10 is provided with pin 11; Described stationary ring 9, rotating ring 10 are respectively equipped with stationary ring O shape rubber ring 12, rotating ring O shape rubber ring 13; Between described rotating ring 10 and drive sleeve 8, spring 14 is housed.
The present invention program is by being fixed on spindle nose 1 by drive sleeve 8 fixing pin 7, stationary ring 9 and bearing (ball) cover 3 endoporus are interference fit, be provided with asbestos packing 6 place between bearing (ball) cover 3 and casing 4 and be also provided with sealing cover 15, improve sealing energy further, when the shaft is rotated, fixing pin 7 drives drive sleeve 8 to rotate together, spring 14 is housed between rotating ring 10 and drive sleeve 8, rotating ring 10 under action from the spring 14, on the one hand by the pin 11 on it and the interlock effect of drive sleeve 8, rotates with axle; On the other hand, can move vertically under the guiding of drive sleeve 8 pin chute, the rotating ring 10 of rotation is made to be in fit-state all the time with the seal face of stationary ring 9, there is the oil film that one deck is very thin therebetween, to reach the object of rotary seal, make the sealability of oil pump speed reducer spindle nose sealing structure reliable like this, long service life.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (1)
1. an oil pump speed reducer spindle nose sealing structure, comprise spindle nose, gland, bearing (ball) cover, casing, described gland and bearing (ball) cover are directly provided with regular rubber ring, be provided with asbestos packing between described bearing (ball) cover and casing, it is characterized in that: be provided with asbestos packing place between described bearing (ball) cover and casing and be also provided with sealing cover; Described spindle nose is provided with drive sleeve by fixing pin; Described bearing (ball) cover inside is provided with stationary ring; Described drive sleeve is connected with rotating ring; Described rotating ring is provided with pin; Described stationary ring, rotating ring are respectively equipped with stationary ring O shape rubber ring, rotating ring O shape rubber ring; Between described rotating ring and drive sleeve, spring is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310607674.3A CN104675968A (en) | 2013-11-26 | 2013-11-26 | Pumping unit speed reducer shaft head sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310607674.3A CN104675968A (en) | 2013-11-26 | 2013-11-26 | Pumping unit speed reducer shaft head sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675968A true CN104675968A (en) | 2015-06-03 |
Family
ID=53311400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310607674.3A Pending CN104675968A (en) | 2013-11-26 | 2013-11-26 | Pumping unit speed reducer shaft head sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104675968A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240504A (en) * | 2015-11-02 | 2016-01-13 | 苏州市淞舜五金有限公司 | Sealing bearing |
| CN105257813A (en) * | 2015-11-02 | 2016-01-20 | 苏州市淞舜五金有限公司 | Sealing wear-resisting bearing |
| CN105782414A (en) * | 2016-04-10 | 2016-07-20 | 苏州恒扬精密机械有限公司 | Comprehensive self-cooled shaft seal system |
| CN108443510A (en) * | 2018-05-16 | 2018-08-24 | 徐拥军 | Rotary shaft sealing |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU493580A1 (en) * | 1973-09-21 | 1975-11-28 | Предприятие П/Я Р-6131 | Sealing unit |
| JPH10112952A (en) * | 1996-10-04 | 1998-04-28 | Tsubakimoto Chain Co | Shaft sealing structure of gear motor |
| CN201177043Y (en) * | 2008-04-06 | 2009-01-07 | 秦国元 | Elevated plain oil pumping machine reduction box input shaft sealer |
| CN102278474A (en) * | 2011-06-12 | 2011-12-14 | 鞍山重型矿山机器股份有限公司 | Contact type dynamic sealing method and dynamic sealing device of dishing sealing ring |
| CN102734470A (en) * | 2012-06-27 | 2012-10-17 | 沃德(天津)传动有限公司 | Speed reducer and sealing device thereof |
| CN103322200A (en) * | 2013-07-09 | 2013-09-25 | 朱兴生 | Spindle head sealing structure of speed reducer of pumping unit |
| CN203477273U (en) * | 2013-07-09 | 2014-03-12 | 朱兴生 | Seal structure for pumping unit reducer shaft head |
-
2013
- 2013-11-26 CN CN201310607674.3A patent/CN104675968A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU493580A1 (en) * | 1973-09-21 | 1975-11-28 | Предприятие П/Я Р-6131 | Sealing unit |
| JPH10112952A (en) * | 1996-10-04 | 1998-04-28 | Tsubakimoto Chain Co | Shaft sealing structure of gear motor |
| CN201177043Y (en) * | 2008-04-06 | 2009-01-07 | 秦国元 | Elevated plain oil pumping machine reduction box input shaft sealer |
| CN102278474A (en) * | 2011-06-12 | 2011-12-14 | 鞍山重型矿山机器股份有限公司 | Contact type dynamic sealing method and dynamic sealing device of dishing sealing ring |
| CN102734470A (en) * | 2012-06-27 | 2012-10-17 | 沃德(天津)传动有限公司 | Speed reducer and sealing device thereof |
| CN103322200A (en) * | 2013-07-09 | 2013-09-25 | 朱兴生 | Spindle head sealing structure of speed reducer of pumping unit |
| CN203477273U (en) * | 2013-07-09 | 2014-03-12 | 朱兴生 | Seal structure for pumping unit reducer shaft head |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240504A (en) * | 2015-11-02 | 2016-01-13 | 苏州市淞舜五金有限公司 | Sealing bearing |
| CN105257813A (en) * | 2015-11-02 | 2016-01-20 | 苏州市淞舜五金有限公司 | Sealing wear-resisting bearing |
| CN105782414A (en) * | 2016-04-10 | 2016-07-20 | 苏州恒扬精密机械有限公司 | Comprehensive self-cooled shaft seal system |
| CN105782414B (en) * | 2016-04-10 | 2018-05-08 | 苏州恒扬精密机械有限公司 | A kind of comprehensive self-cooled gland seal system |
| CN108443510A (en) * | 2018-05-16 | 2018-08-24 | 徐拥军 | Rotary shaft sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150603 |