CN105276183A - Cycloid hydraulic motor with O-shaped sealing rings for positioning and sealing - Google Patents
Cycloid hydraulic motor with O-shaped sealing rings for positioning and sealing Download PDFInfo
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- CN105276183A CN105276183A CN201410338371.0A CN201410338371A CN105276183A CN 105276183 A CN105276183 A CN 105276183A CN 201410338371 A CN201410338371 A CN 201410338371A CN 105276183 A CN105276183 A CN 105276183A
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- runddichtringo
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Abstract
The invention relates to a cycloid hydraulic motor with O-shaped sealing rings for positioning and sealing and belongs to the technical field of hydraulic transmission. An O-shaped sealing ring positioning and sealing device comprises a solid counter bore component, cylindrical connecting pieces installed in the solid counter bore component and matched with the solid counter bore component, and a stator component adjacent to the end face of the counter bore component. A step shaft inserted in a counter bore is arranged at the end, adjacent to the cylindrical connecting pieces, of the stator component. The end face of the step shaft is attached to the ends of the cylindrical connecting pieces. Annular step grooves embedded with the O-shaped sealing rings are formed in the outer circles of the ends, attached to the stator component, of the cylindrical connecting pieces. An axial sealing structure is additionally arranged on the round matched surface of each cylindrical connecting piece to achieve further axial sealing. In this way, the cycloid hydraulic motor with the O-shaped sealing rings for positioning and sealing is simple in structure and accurate in positioning, the coaxiality of the connecting pieces can be guaranteed easily, and meanwhile reliable sealing under severe working conditions is guaranteed.
Description
Technical field
The present invention relates to a kind of cycloid hydraulic motor, especially a kind of by O RunddichtringO location sealing cycloid hydraulic motor, belong to hydraulic transmission technology field.
Background technique
Cycloid hydraulic motor is a kind of low-speed big torque motor, has the advantages such as volume is little, specific power density is large, efficiency is high, speed range is wide, is thus widely applied, along with industrial and agricultural development application will be more extensive.
Cycloid hydraulic motor mainly contain axle flow and plane flow, axle flow motor is due to axial flow distribution feature, its junction plane is plane, direct employing O type circle carries out plane sealing, and plane flow is due to flow feature, flow dunnage is embedded in bonnet, adopts O type circle to carry out dual face seals, makes plane distributing construction motor have very compact structure.
According to the applicant understood, existing plane flow motor adopts flow dunnage to be embedded in bonnet, application O type circle carries out dual face seals, O RunddichtringO location sealing device as described in file CN2911341Y file obtains very successful effectiveness in the application of reality, but when operating mode is very severe, as high in temperature, rotating speed is large, back pressure is high, still likely can there is junction plane and have oil stain phenomenon in property once in a while, but do not form oil dripping phenomenon, though do not affect use, affect outward appearance.
Summary of the invention
The object of the invention is to: for above prior art Problems existing, by the research to existing O RunddichtringO location sealing device integral structure layout, the compactedness maintaining existing structure is constant, change original O RunddichtringO to motor simultaneously to the scheme of axis and radial seal, increase the reliability of sealing, properly settle accurate orientation problem and sealing and the oil stain phenomenon that causes simultaneously.
In order to achieve the above object, claimant is by the structural analysis to the O RunddichtringO location sealing device technique of existing flat porting cycloid hydraulic pressure motor, finding out existing structure may cause motor junction plane to occur the reason of oil stain phenomenon, under the prerequisite keeping original flat porting cycloid hydraulic pressure motor boundary dimension constant, following technological scheme of the present invention is proposed: O RunddichtringO location sealing device comprises entity counterbore component, be arranged on the cylindrical connection matched with it in entity counterbore component, and the stator component contiguous with counterbore component end face, one end that described stator component is adjacent with cylindrical connection is shaped with the Step Shaft be inserted in counterbore, fit in the end face of described Step Shaft and the termination of cylindrical connection, the laminating end cylindrical of one of described cylindrical connection and stator component is shaped with the step annular groove of setting-in O RunddichtringO, its improvements are: the circle of described cylindrical connection matches face increases the sealing configuration of an axis, further to axially sealing.Described sealing configuration is sealed entity counterbore by the annular groove of the periphery of cylindrical connection and setting-in O RunddichtringO.
Facts have proved, after the present invention being applied, completely avoid the original technology of O RunddichtringO location sealing device and may occur oil stain phenomenon, the improvement of structure especially maintains the compactedness of original structure, obtains beyond thought effect.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is the structural representation of one embodiment of the invention.
Output shaft 1 in figure, dust ring 2, shaft seal 3, screw 4, protecgulum 5, body shell 6, bearing 7, spacer 8, pad 9, plug screw 10, locking nut 11, O type circle 12, stator 13, pin 14, flow dunnage 15, thrust plate 16, oil port cover 17, O type circle 18, pin 19, O type circle 20, bonnet 21, flow platen 22, fore-set 23, bolt 24, pad 25, screw plug 26, support 27, steel ball 28, elastomer 29, coupling 30, pin tooth 31, rotor 32, butterfly circle 33, couple axle 34, O type circle 35.
Fig. 2 is I place's close-up schematic view of Fig. 1 embodiment Fig. 1.
Stator 13, O type circle 12 in figure, bonnet 21, flow dunnage 15, O type circle 12-1.
Fig. 3 is that oil stain phenomenon schematic diagram appears in original technology O RunddichtringO location sealing device.
embodiment one
As shown in Figure 1, its cycloid hydraulic motor applied forms hydraulic oil cavity body by output shaft 1, protecgulum 5, housing 6, stator 13 and bonnet 21 to the O RunddichtringO location sealing cycloid hydraulic motor basic structure of the present embodiment.Output shaft 1 is supported in housing 6 by two tapered roller bearings 7, and shaft seal seals output shaft 1 and protecgulum 5, and couple axle 34 transmits mechanical energy to output shaft 1, thus forms power take-off; Rotor 32, stator 13 and pin tooth 31 forming energy conversion equipment; Flow platen 22, thrust plate 16, flow dunnage 15 and bonnet 21 constitute a flow-distribution mechanism.Two check valve body structures are had in reservoir body, by steel ball 27, support 27 and plug screw assembly 26 are formed, under positive and negative two the sense of rotation working staties of motor, two check valve body are alternately in running order, internal drainage liquid forms loop in cavity, lubrication, cooling bearing 7, and turns back to hydraulic circuit.Have the passage of different high-low pressure oil between each entity, there are different oil pressure gaps and sealing configuration thereof in each joint.
Wherein two O RunddichtringOs 12 are arranged in three junction planes connecting entity respectively, housing 21, flow dunnage 15 and stator 13 respectively, stator 13 has a step cutting pattern, flow dunnage 15 is installed in the mounting hole of housing 21, mounting hole length is greater than the length of flow dunnage 15, the step cutting pattern location and installation of stator 13 is in the mounting hole of housing 21, with the one side of flow dunnage 15 against, flow dunnage 15 and step cutting pattern abutment facing are shaped with the step annular groove of setting-in O RunddichtringO 12, and seal arrangement seals axis and radial direction simultaneously.
Fig. 2 is I place's close-up schematic view of Fig. 1, flow dunnage 15 and the mounting hole of housing 21 match disc radial direction increase together with annular groove, O type circle 12-1 is arranged in annular groove, axially seals the disc that the mounting hole of flow dunnage 15 and housing 21 matches.
Fig. 3 is that the motor of original technology O RunddichtringO location sealing device may occur oil stain phenomenon photo at use scene.
Facts have proved, the O RunddichtringO location sealing processing technology of the present embodiment is simple, has reliable high pressure seal result.Adopt the O RunddichtringO location sealing cycloid hydraulic motor of modified node method, there will not be the junction plane of the original technology shown in accompanying drawing 3 may occur oil stain phenomenon.The application of the technology of the present invention makes motor can adapt to how severe operating mode, and after making motor applications, outward appearance is improved greatly, and the overall appearance of applied host machine obtains very large change, and environment is more graceful.
In addition to the implementation, the present invention can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (2)
1. an O RunddichtringO location sealing cycloid hydraulic motor, comprise entity counterbore component, be arranged on the cylindrical connection matched with it in entity counterbore component, and the stator component contiguous with counterbore component end face, one end that described stator component is adjacent with cylindrical connection is shaped with the Step Shaft be inserted in counterbore, fit in the end face of described Step Shaft and the termination of cylindrical connection, the laminating end cylindrical of one of described cylindrical connection and stator component is shaped with the step annular groove of setting-in O RunddichtringO, it is characterized in that: the circle of described cylindrical connection matches face increases the sealing configuration of an axis, further to axially sealing.
2. O RunddichtringO location sealing cycloid hydraulic motor according to claim 1, is characterized in that: described sealing configuration is sealed entity counterbore by the annular groove of the periphery of cylindrical connection and setting-in O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338371.0A CN105276183A (en) | 2014-07-16 | 2014-07-16 | Cycloid hydraulic motor with O-shaped sealing rings for positioning and sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338371.0A CN105276183A (en) | 2014-07-16 | 2014-07-16 | Cycloid hydraulic motor with O-shaped sealing rings for positioning and sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105276183A true CN105276183A (en) | 2016-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410338371.0A Pending CN105276183A (en) | 2014-07-16 | 2014-07-16 | Cycloid hydraulic motor with O-shaped sealing rings for positioning and sealing |
Country Status (1)
| Country | Link |
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| CN (1) | CN105276183A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065193A (en) * | 2015-08-29 | 2015-11-18 | 镇江大力液压马达股份有限公司 | High-pressure sealing cycloid hydraulic motor |
| CN108916246A (en) * | 2018-09-20 | 2018-11-30 | 镇江大力液压马达股份有限公司 | A kind of output support device of cycloid hydraulic motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3905728A (en) * | 1974-04-17 | 1975-09-16 | Eaton Corp | Rotary fluid pressure device and pressure relief system therefor |
| US4145167A (en) * | 1976-02-17 | 1979-03-20 | Danfoss A/S | Gerotor machine with pressure balancing recesses in inner gear |
| CN2288929Y (en) * | 1996-12-09 | 1998-08-26 | 石家智 | Combined sealing end lid |
| CN2911341Y (en) * | 2006-06-02 | 2007-06-13 | 镇江大力液压马达有限责任公司 | Positioning sealing device for O-shape sealing ring |
| CN103742353A (en) * | 2013-12-21 | 2014-04-23 | 镇江大力液压马达股份有限公司 | Plane valving cycloid hydraulic motor |
| CN203656190U (en) * | 2013-12-04 | 2014-06-18 | 贵阳永青仪电科技有限公司 | Shaft dynamic sealing structure with double O-shaped sealing rings |
-
2014
- 2014-07-16 CN CN201410338371.0A patent/CN105276183A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3905728A (en) * | 1974-04-17 | 1975-09-16 | Eaton Corp | Rotary fluid pressure device and pressure relief system therefor |
| US4145167A (en) * | 1976-02-17 | 1979-03-20 | Danfoss A/S | Gerotor machine with pressure balancing recesses in inner gear |
| CN2288929Y (en) * | 1996-12-09 | 1998-08-26 | 石家智 | Combined sealing end lid |
| CN2911341Y (en) * | 2006-06-02 | 2007-06-13 | 镇江大力液压马达有限责任公司 | Positioning sealing device for O-shape sealing ring |
| CN203656190U (en) * | 2013-12-04 | 2014-06-18 | 贵阳永青仪电科技有限公司 | Shaft dynamic sealing structure with double O-shaped sealing rings |
| CN103742353A (en) * | 2013-12-21 | 2014-04-23 | 镇江大力液压马达股份有限公司 | Plane valving cycloid hydraulic motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065193A (en) * | 2015-08-29 | 2015-11-18 | 镇江大力液压马达股份有限公司 | High-pressure sealing cycloid hydraulic motor |
| CN108916246A (en) * | 2018-09-20 | 2018-11-30 | 镇江大力液压马达股份有限公司 | A kind of output support device of cycloid hydraulic motor |
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Legal Events
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| 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 |
Application publication date: 20160127 |
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| RJ01 | Rejection of invention patent application after publication |