CN102808953A - High-pressure resistant groove-type sealing strip of rotating-vane type hydraulic cylinder - Google Patents
High-pressure resistant groove-type sealing strip of rotating-vane type hydraulic cylinder Download PDFInfo
- Publication number
- CN102808953A CN102808953A CN2012103228082A CN201210322808A CN102808953A CN 102808953 A CN102808953 A CN 102808953A CN 2012103228082 A CN2012103228082 A CN 2012103228082A CN 201210322808 A CN201210322808 A CN 201210322808A CN 102808953 A CN102808953 A CN 102808953A
- Authority
- CN
- China
- Prior art keywords
- type
- joint
- sealing strip
- stamping steel
- steel ribbon
- 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
Links
Images
Landscapes
- Actuator (AREA)
Abstract
The invention provides a high-pressure resistant groove-type sealing strip of a rotating-vane type hydraulic cylinder. At least one step-butt type expansion joint is additionally arranged on the basis of the traditional groove-type sealing strip; the bottom side gap of the step-butt type expansion joint is a step-type flat joint, step-type tenon joint or combined joint of the flat joint and the tenon joint. The side gap of the step-butt type expansion joint is a flat joint, step-type flat joint, step-type tenon joint or combined joint of the flat joint and the tenon joint. The groove-type sealing strip with unchangeable length can be changed into the groove-type sealing strip with changeable length, so that the groove-type sealing strip is capable of flexing freely in an oil cylinder sealing slot in the rotating-vane type hydraulic cylinder to compensate a sealing gap automatically, and then, the working pressure of the rotating-vane type hydraulic cylinder can be increased; tests prove that the working pressure of the rotating-vane type hydraulic cylinder can be increased to be higher than 15MPa from 8MPa due to the adoption of the high-pressure resistant groove-type sealing strip provided by the invention, so that the high-pressure resistant groove-type sealing strip is beneficial to being widely used in rotating-vane type hydraulic cylinders.
Description
Technical field
Special-purpose fluted body Stamping Steel Ribbon in the blade-rotation hydraulic jack, particularly this blade-rotation hydraulic jack that are used as power with high pressure oil that the present invention relates to that the hydraulic sterring engine of boats and ships uses belongs to the blade-rotation hydraulic jack.
Background technique
The blade-rotation hydraulic jack that the existing ship steering wheel uses so far always mainly is the oil motor structure that adopts rotor, blade, and its structure mainly comprises cylinder body; Stator, rotating shaft, moving plate; Stamping Steel Ribbon, loam cake and lower cover, said moving plate is packed in the rotating shaft; Cylinder body is sleeved on the outer rim of moving plate, and stator is contained on the inboard wall of cylinder block between the adjacent moving plate, loam cake and lower cover be contained in the cylinder body two ends and be fixed by bolts to cylinder body and stator on; Stamping Steel Ribbon is housed respectively between stator and moving plate and the cylinder cap, is respectively equipped with advancing on oilhole and the cylinder body on the stator bi-side, spill port communicates.Seal and isolate moving plate and the stator on the cylinder body in the rotating shaft through cylinder body, loam cake, lower cover and Stamping Steel Ribbon, form the oil motor hydraulic fluid chamber.For improving sealability; The Stamping Steel Ribbon that is embedded in its moving plate seal groove and the stator seal groove is the fluted body Stamping Steel Ribbon; And the connection high pressure oil makes the fluted body Stamping Steel Ribbon on the surface of contact that tightly is fitted in moving plate and cylinder body under the effect of high pressure oil and on the surface of contact of stator and rotating shaft in the Stamping Steel Ribbon groove, thereby strengthened sealability.But because of the cylinder cap internal surface directly contacts with hydraulic pressure cavity, must bear the alternating action of high and low pressure oil, axial stress is big; Cylinder cap is prone to distortion, the axial clearance between the moving plate of cylinder cap and motion is increased, along with the increase of working pressure; The slit of axial clearance is bigger, and leakage rate is bigger.Therefore working pressure is generally lower, and domestic generally about 8Mpa, external advanced rotary vane type oil cylinder working pressure generally also has only about 12Mpa.
Summary of the invention
The objective of the invention is in time to compensate the seal clearance that produces because of variation in pressure in order to overcome above-mentioned existing fluted body Stamping Steel Ribbon; Design a kind of can in the cylinder seal groove, freely stretching and the automatic compensation sealing gap, obviously improve the high pressure resistant fluted body Stamping Steel Ribbon of blade-rotation hydraulic jack working pressure.
The high pressure resistant fluted body Stamping Steel Ribbon of blade-rotation hydraulic jack of the present invention; Its structure mainly is on the basis of existing fluted body Stamping Steel Ribbon, to be provided with at least 1 step dock expansion joint, and the base seam at said step dock expansion joint is the built-up joint of step type plain adapter or step type joggle or plain adapter and joggle.
The side seams at said step dock expansion joint is the built-up joint of plain adapter or step type plain adapter or step type joggle or plain adapter and joggle.
The shape of the public tenon of above-mentioned joggle is selected arrow-shaped or shapes such as globular model or square toes shape for use, and the shape of female tenon of said joggle is selected corresponding hollow arrow shape or shapes such as open circles capitiform or hollow square toes shape for use.
The high pressure resistant fluted body Stamping Steel Ribbon of blade-rotation hydraulic jack of the present invention owing to have additional step dock expansion joint, can become the changeless fluted body Stamping Steel Ribbon of length and is adjustable length fluted body Stamping Steel Ribbon; Make it freely to stretch and the automatic compensation sealing gap in the cylinder seal groove in the blade-rotation hydraulic jack; This longitudinal sealing strip and transverse sealing bar also all can be respectively under the situation of cylinder body stress deformation keep well contact with separately surface of contact, can increase substantially the working pressure of blade-rotation hydraulic jack, and warp is tested; After using high pressure resistant fluted body Stamping Steel Ribbon of the present invention; The working pressure of blade-rotation hydraulic jack is brought up to more than the 15Mpa from about existing 8Mpa, made the mechanical efficiency of blade-rotation hydraulic jack high, energy consumption is low; Volume is little, is adapted at being widely used in the blade-rotation hydraulic jack.
Description of drawings
Fig. 1 ~ 2nd, the structural representation at a step dock expansion joint among the present invention;
Fig. 3 ~ 4th, the structural representation at a plurality of step docks expansion joint among the present invention;
Among the last figure 1 is groove, the 2nd, and side, the 3rd, side seams, the 4th, base seam, the 5th, base, the 6th, the end face of shutoff, the 7th, the end that intersects and be slidingly connected
Fig. 5 ~ 16th, the multiple multi-form structural representation at the step dock expansion joint among the present invention;
Figure 17 be the Stamping Steel Ribbon end through the expansion joint cross-coupled a kind of structural representation;
Figure 18 ~ 19th, the Stamping Steel Ribbon end is through bonding cross-coupled several kinds of structural representations.Among the figure 8 is cross-coupled Stamping Steel Ribbons.
Embodiment
Accompanying drawing is nonrestrictive to disclose several concrete embodiment of the present invention, below in conjunction with accompanying drawing the present invention is done further description.
Referring to accompanying drawing 1 ~ 4; The high pressure resistant fluted body Stamping Steel Ribbon of blade-rotation hydraulic jack of the present invention; Mainly be on the basis of the existing fluted body Stamping Steel Ribbon of forming by groove 1, side 2 and base 5; Have additional at least 1 step dock expansion joint 3 and 4, the base seam 4 at said step dock expansion joint is the built-up joint (shown in Fig. 9 ~ 16) of step type plain adapter (shown in Fig. 5 ~ 7) or step type joggle (as shown in Figure 8) or plain adapter and joggle.
The side seams 3 at said step dock expansion joint is the built-up joint (like Figure 16) of plain adapter (like Fig. 5 ~ 6) or step type plain adapter (like Fig. 7,11,13,15) or step type joggle or plain adapter and joggle.
The shape of the public tenon of above-mentioned joggle is selected arrow-shaped (like Figure 10,11) or globular model (like Figure 12,13) or square toes shape (like Fig. 8,9,14,15,16) for use, and the shape of female tenon of said joggle is selected corresponding hollow arrow shape (like Figure 10,11) or open circles capitiform (like Figure 12,13) or hollow square toes shape (like Fig. 8,9,14,15,16) for use.
During installation; For not with the Stamping Steel Ribbon of other Stamping Steel Ribbon interconnection (as being installed on the stator); Can select for use Fig. 1 or two ends shown in Figure 2 that the Stamping Steel Ribbon of shutoff end face is arranged, notch is inside, bottom land outwards is embedded in the cylinder seal groove, makes the base 5 of Stamping Steel Ribbon expose cylinder seal groove notch slightly; 2 of the sides of Stamping Steel Ribbon are embedded in the cylinder seal groove fully; So the side seams 3 of Stamping Steel Ribbon also can be selected plain adapter (like Fig. 5 ~ 6) for use, as select then better effects if of step type plain adapter (like Fig. 7,11,13,15) or step type joggle or plain adapter and joggle built-up joint (like Figure 16) for use.
For need with the Stamping Steel Ribbon of other Stamping Steel Ribbon interconnection (as being installed on the moving plate); Can select for use Fig. 3 or two ends shown in Figure 4 that the Stamping Steel Ribbon (structure after the connection is shown in figure 17) of the end 7 that is slidingly connected is arranged, also can select for use the Stamping Steel Ribbon shown in Fig. 1 ~ 4 through bonding and interconnection (structure after the connection is like Figure 18, shown in 19).For long Stamping Steel Ribbon, availablely a plurality ofly be provided with public tenon and female tenon Stamping Steel Ribbon interconnects.During work; When pressure oil gets into oil seal groove through the duct in stator or the moving plate upper and lower cover along with the increase of pressure; The suffered power of groove shaped Stamping Steel Ribbon in the oil seal groove also increases; When Stamping Steel Ribbon was close to isolation surface, Stamping Steel Ribbon possessed to the ability that extended by force direction, therefore can compensate the variation of geometric sense everywhere.Though each joggle place of Stamping Steel Ribbon can produce a gap △ L simultaneously in compensation; But because the step dock expansion joint of the present invention's design; Can guarantee that particularly the interstitial area △ L of a step generation of base seam is within the sealing area of another layer step; Therefore do not have leakage point, institute is so that the blade-rotation hydraulic jack can bear higher oil pressure and proper functioning.
Claims (3)
1. the high pressure resistant fluted body Stamping Steel Ribbon of blade-rotation hydraulic jack; It is characterized in that the fluted body Stamping Steel Ribbon is provided with at least 1 step dock expansion joint, the base seam at said step dock expansion joint is the built-up joint of step type plain adapter or step type joggle or plain adapter and joggle.
2. the high pressure resistant fluted body Stamping Steel Ribbon of blade-rotation hydraulic jack as claimed in claim 1, the side seams that it is characterized in that said step dock expansion joint are the built-up joint of plain adapter or step type plain adapter or step type joggle or plain adapter and joggle.
3. according to claim 1 or claim 2 the high pressure resistant fluted body Stamping Steel Ribbon of blade-rotation hydraulic jack; The shape that it is characterized in that the public tenon of said joggle is selected arrow-shaped or globular model or square toes shape for use, and the shape of female tenon of said joggle is selected corresponding hollow arrow shape or open circles capitiform or hollow square toes shape for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103228082A CN102808953A (en) | 2012-09-04 | 2012-09-04 | High-pressure resistant groove-type sealing strip of rotating-vane type hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103228082A CN102808953A (en) | 2012-09-04 | 2012-09-04 | High-pressure resistant groove-type sealing strip of rotating-vane type hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102808953A true CN102808953A (en) | 2012-12-05 |
Family
ID=47232757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103228082A Pending CN102808953A (en) | 2012-09-04 | 2012-09-04 | High-pressure resistant groove-type sealing strip of rotating-vane type hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102808953A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230700A (en) * | 2019-06-13 | 2019-09-13 | 南京中船绿洲机器有限公司 | A kind of sealing assembly device and method of steering engine for ship |
| CN110683029A (en) * | 2019-10-11 | 2020-01-14 | 无锡市东舟船舶设备股份有限公司 | Moving blade group sealing device of rotating blade type hydraulic steering engine |
| CN113502899A (en) * | 2021-06-18 | 2021-10-15 | 中国建筑第八工程局有限公司 | Hydrophobic ditch structure and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB578715A (en) * | 1944-07-19 | 1946-07-09 | George Iliffe | Improvements in and relating to piston rings, piston valve rings and the like |
| CN2238939Y (en) * | 1996-02-25 | 1996-10-30 | 姚栓成 | Whole sealed piston ring |
| CN1275689A (en) * | 2000-06-29 | 2000-12-06 | 葛亚峰 | Sealing ring, sheet, strip and use thereof |
| CN2447529Y (en) * | 2000-03-19 | 2001-09-12 | 蒙江雪 | Mortise pistol ring |
| CN201050600Y (en) * | 2007-05-23 | 2008-04-23 | 南京中船绿洲机器有限公司 | Rotary vane type steering engine sealing device |
| CN201093062Y (en) * | 2007-06-15 | 2008-07-30 | 陈郁传 | Piston ring |
| CN102141149A (en) * | 2010-02-03 | 2011-08-03 | 李霄伟 | Tail end asymmetric complementary closed-type wear-resisting piston ring |
| CN202834066U (en) * | 2012-09-04 | 2013-03-27 | 兴化市开源船舶机械有限公司 | High-pressure-resistant groove type sealing strip for rotating vane type hydraulic cylinder |
-
2012
- 2012-09-04 CN CN2012103228082A patent/CN102808953A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB578715A (en) * | 1944-07-19 | 1946-07-09 | George Iliffe | Improvements in and relating to piston rings, piston valve rings and the like |
| CN2238939Y (en) * | 1996-02-25 | 1996-10-30 | 姚栓成 | Whole sealed piston ring |
| CN2447529Y (en) * | 2000-03-19 | 2001-09-12 | 蒙江雪 | Mortise pistol ring |
| CN1275689A (en) * | 2000-06-29 | 2000-12-06 | 葛亚峰 | Sealing ring, sheet, strip and use thereof |
| CN201050600Y (en) * | 2007-05-23 | 2008-04-23 | 南京中船绿洲机器有限公司 | Rotary vane type steering engine sealing device |
| CN201093062Y (en) * | 2007-06-15 | 2008-07-30 | 陈郁传 | Piston ring |
| CN102141149A (en) * | 2010-02-03 | 2011-08-03 | 李霄伟 | Tail end asymmetric complementary closed-type wear-resisting piston ring |
| CN202834066U (en) * | 2012-09-04 | 2013-03-27 | 兴化市开源船舶机械有限公司 | High-pressure-resistant groove type sealing strip for rotating vane type hydraulic cylinder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230700A (en) * | 2019-06-13 | 2019-09-13 | 南京中船绿洲机器有限公司 | A kind of sealing assembly device and method of steering engine for ship |
| CN110683029A (en) * | 2019-10-11 | 2020-01-14 | 无锡市东舟船舶设备股份有限公司 | Moving blade group sealing device of rotating blade type hydraulic steering engine |
| CN113502899A (en) * | 2021-06-18 | 2021-10-15 | 中国建筑第八工程局有限公司 | Hydrophobic ditch structure and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102808953A (en) | High-pressure resistant groove-type sealing strip of rotating-vane type hydraulic cylinder | |
| CN102556321B (en) | Floating type spherical rotating vane steering engine | |
| CN102966505B (en) | Utilize the horizontal type volumetric water pump that energy of seawater surge generates electricity | |
| CN202834066U (en) | High-pressure-resistant groove type sealing strip for rotating vane type hydraulic cylinder | |
| CN202251207U (en) | Hydraulic cylinder | |
| CN109681657B (en) | Rotating device and fluid machine using same | |
| CN201705922U (en) | Metal spring embedded seal box | |
| CN202611771U (en) | Double screw rod expander rotor mold line | |
| CN102562475A (en) | Wind generating set and hydraulic motor thereof | |
| CN205113677U (en) | It is sealed to change leaf formula steering wheel spherical structure | |
| CN101907092B (en) | Conjugated sleeve pump | |
| CN201575138U (en) | Piston for working cylinder of cubic hydraulic machine | |
| CN202690411U (en) | High-pressure plunger pump for washing machine | |
| CN203717918U (en) | Rotary oil seal structure of blender main shaft | |
| CN203023168U (en) | Double-action multi-level oil cylinder | |
| CN102425545B (en) | A kind of size cylinder spring combination compensation double-cavity vane pump | |
| CN204663868U (en) | A kind of profile control and water plugging pump adopting novel sealing structure | |
| CN206092430U (en) | A self priming pump | |
| CN201225187Y (en) | Piston connecting bar apparatus of pressure oil supply | |
| CN203499965U (en) | Double-layer self-sealing overlength stroke oil well pump | |
| CN210715064U (en) | Multistage combined sealing mechanism for plunger coupling piece | |
| CN202182024U (en) | Pressurized cylinder of high pressure pump | |
| CN204383721U (en) | The maintenance unit sealed after a kind of screw shaft of ship | |
| CN203033800U (en) | Pressure exchanging cylinder made of composite materials and used in energy recovering device | |
| CN202991474U (en) | Submerged oil ball plug pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121205 |