CN103233977A - Elastic thrust pad support mechanism with axial position adjusting function - Google Patents
Elastic thrust pad support mechanism with axial position adjusting function Download PDFInfo
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- CN103233977A CN103233977A CN2013101698213A CN201310169821A CN103233977A CN 103233977 A CN103233977 A CN 103233977A CN 2013101698213 A CN2013101698213 A CN 2013101698213A CN 201310169821 A CN201310169821 A CN 201310169821A CN 103233977 A CN103233977 A CN 103233977A
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Abstract
The invention relates to an elastic thrust pad support mechanism with an axial position adjusting function. The elastic thrust pad support structure comprises a hydraulic elastic support mechanism and a mechanism for adjusting the axial position of a thrust pad. The front end of the hydraulic elastic support mechanism is connected with the thrust pad which is in contact with a thrust ring and the rear end of the hydraulic elastic support mechanism is connected with the mechanism for adjusting the axial position of the thrust pad. The mechanism for adjusting the axial position of the thrust pad comprises a slide bar, a spring, a gasket and an adjusting nut. The slide bar and the spring are arranged in a through hole in the tail of the hydraulic elastic support mechanism and the gasket and the adjusting nut are arranged at the tail of the slide bar. A sliding thrust bearing disclosed by the invention adopts the elastic thrust pad support mechanism with the axial position adjusting function, so that the axial position of the thrust pad can be conveniently adjusted to enable the thrust pad to keep an ideal working condition. In addition, by the elastic support mechanism, pulsation thrust from a ship propeller can be absorbed or reduced to reduce the pulsation thrust transmitted to a ship body.
Description
Technical field
The present invention relates to a kind of ship power transmission system slide thrust bearing, especially a kind of tile fragment elastic bearing mechanism of slide thrust bearing.
Background technique
Slide thrust bearing generally is made up of thrust axis, thrust pad, tile fragment supporting structure and housing etc.The supporting structure of thrust pad has very important effect for the equal carrier between the distortion that improves tile fragment and each tile fragment.At present, employed thrust pad supporting structure mostly is the equilibrium block supporting in the slide thrust bearing peculiar to vessel, balance block structure is made up of last equilibrium block and following equilibrium block, contact for stiff points between last equilibrium block and the tile fragment, following equilibrium block is that nonflexible line contacts with bearing housing, is the nonflexible line contact up and down between the equilibrium block.Adopt the equilibrium block supporting structure, the load between can balanced each tile fragment guarantees the stable operation of each tile fragment.But, equilibrium block supporting belongs to rigid supporting structure, and when pulsation thrust that marine propeller produces was to the thrust axis, this pulsation thrust will be by the thrust pad+structures such as upper and lower equilibrium block+housing of rigidity contact, be directly passed to bearing housing, and then be delivered on the hull.So the equilibrium block supporting can not absorb or cushion the thrust pulsation from marine propeller.And, because rigidity dotted line contacting structure factor, when thrust load is big, each contacting point can produce bigger resiliently deformable and skimming wear, cause the axial position of thrust pad to change, cause that Thrust ring produces bigger axial float, and equilibrium block supporting structure etc. can not compensate this axial float, therefore the thrust pad working state worsens.
Summary of the invention
At the deficiencies in the prior art, the present invention proposes a kind of thrust pad elastic bearing mechanism that axial position is adjusted function that has, and this elastic support structure can absorb or slow down the pulsation thrust from marine propeller, and can adjust the axial position of thrust pad.
For achieving the above object, technological scheme of the present invention is: a kind of thrust pad elastic bearing mechanism that has axial position adjustment function, formed by hydroelastic system support mechanism and thrust pad axial position regulating mechanism, be characterized in: hydroelastic system support mechanism front end is connected with the thrust pad that contacts with Thrust ring, the rear end connects thrust pad axial position regulating mechanism, thrust pad axial position regulating mechanism comprises slide bar, spring, pad and adjusting nut, slide bar and spring are placed in the through hole of hydroelastic system support mechanism afterbody, and the slide bar afterbody is equipped with pad and adjusting nut.
The hydroelastic system support mechanism comprises the hydraulic oil in the hydraulic pressure cavity between piston, cylinder barrel and piston and the cylinder barrel, and the top of piston is connected with the Thrust ring contact by thrust pad, and the bottom of cylinder barrel is installed on the bearing housing.
The hydroelastic system support mechanism comprises the hydraulic oil in the hydraulic pressure cavity between piston, cylinder barrel and piston and the cylinder barrel, and the top of cylinder barrel is connected with the Thrust ring contact by thrust pad, and piston base is installed on the bearing housing.
When the oil pressure in the hydraulic pressure cavity between piston and the cylinder barrel and thrust load balance, pad and adjusting nut are close to the cylinder barrel tail end face, closure piston center oilhole.
Cylinder barrel is with the collar outward; Connect hydraulic oil pipe by pipe joint on the cylinder barrel ear end face.
Piston jacket has the collar; Connect hydraulic oil pipe by pipe joint on the piston rear end face.
The invention has the beneficial effects as follows:
(1) owing to adopts the hydroelastic system supporting form, this supporting structure can be delivered to the pulsation thrust that marine propeller produces on the bearing housing " elasticity ",, can be absorbed or retarded by behind this yielding support from the pulsation of the thrust of marine propeller.This hydroelastic system supporting structure also can play certain attenuation to marine propulsion shafting extensional vibration.
(2) axial position of thrust pad can be adjusted when shutting down or keep in repair, and operation is comparatively convenient; After adjusting, it is constant relatively that the axial position of tile fragment can keep when proper functioning, thereby make thrust-bearing keep more satisfactory running state.
(3) under the situation that hydraulic system can not be worked or thrust load is excessive, the hydroelastic system supporting will be lost efficacy, and pistons end contacts with the cylinder barrel rigidity, can guarantee that still thrust-bearing normally transmits thrust load.
Slide thrust bearing of the present invention adopts this thrust pad elastic bearing mechanism that axial position is adjusted function that has, can adjust the axial position of thrust pad easily, make thrust pad keep more satisfactory working state, and can absorb or slow down pulsation thrust from marine propeller by yielding support, reach the purpose that the thrust that reduces to pulse is delivered to hull.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is structure partial enlarged diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done a step explanation.
As Fig. 1, shown in 2, the thrust pad elastic bearing mechanism that has axial position adjustment function of the present invention, formed by hydroelastic system support mechanism 2 and thrust pad axial position regulating mechanism 5, comprise housing 1, hydroelastic system support mechanism 2, thrust pad 3, Thrust ring 4, thrust pad axial position regulating mechanism 5, adjusting nut 6, pad 7, slide bar 8, pipe joint 9, spring 10, cylinder barrel 11, the collar 12, piston 13, joint 14 etc.
Hydroelastic system support mechanism 2 front ends are connected with the thrust pad 3 that contacts with Thrust ring 4, and the rear end coupling shaft is to position adjusting mechanism 5.
Thrust pad axial position regulating mechanism 5 comprises slide bar 8, spring 10, pad 7 and adjusting nut 6, and slide bar 8 and spring 10 are placed in the through hole of hydroelastic system support mechanism 2 afterbodys, and slide bar 8 afterbodys are equipped with pad and adjusting nut 6.
Hydroelastic system support mechanism 2 comprises the hydraulic oil in the hydraulic pressure cavity between piston 13, cylinder barrel 11 and piston 13 and the cylinder barrel 11, and the top of piston 13 contacts with Thrust ring 4 by thrust pad 3 and is connected, and the bottom of cylinder barrel 11 is installed on the bearing housing 1.Perhaps the top of cylinder barrel 11 is connected with Thrust ring 4 contacts by thrust pad 3, and piston 13 bottoms are installed on the bearing housing 1.
When the oil pressure in the hydraulic pressure cavity between piston 13 and the cylinder barrel 11 and thrust load balance, pad 7 and adjusting nut 6 are close to cylinder barrel 11 tail end faces, closure piston 13 center oilholes.
The cylinder barrel 11 outer collars 12 that are with; Connect hydraulic oil pipe by pipe joint 9 on cylinder barrel 11 ear end faces.Perhaps be with the collars 12 outside the piston 13; Connect hydraulic oil pipe by pipe joint 9 on piston 13 ear end faces.
Hydroelastic system support mechanism 2 is realized that by the hydraulic pressure cavity between piston 13 and the cylinder barrel 11 area of hydraulic pressure cavity can require to design according to thrust load size and oil pressure.The axial position adjustment of thrust pad 3 is to realize by the hydraulic pressure cavity thickness of adjusting between piston 13 and the cylinder barrel 11 (being position of piston), and rotation adjusting nut 6 can make slide bar 8 move forward and backward, and reaches the purpose of the position of regulating piston 13.The thrust that propulsion device produces is applied on the thrust pad 3 by Thrust ring 4, passes to piston 13 by thrust pad 3.During these hydroelastic system support mechanism 2 proper functioning, the hydraulic oil jack-up piston 13 in the hydraulic pressure cavity does not contact piston 13 ends with cylinder barrel 11, and the thrust on the piston 13 will pass to cylinder barrel 11 by the hydraulic oil in the hydraulic pressure cavity, pass at last on the housing 1.Thus, between thrust pad 3 and housing 1, increased an elasticity oil pocket link, can absorb or slow down from angle of rake thrust pulsation.And each hydraulic pressure cavity communicates with one another, and can guarantee all carrying of 3 of each thrust pads.If hydraulic system can not be worked or thrust load is excessive, the hydroelastic system supporting was lost efficacy, and piston 13 ends directly contact with cylinder barrel 11, and thrust load is delivered on the housing 1 " rigidity ", also can guarantee the thrust-bearing proper functioning.
When the oil pressure in the hydraulic pressure cavity and thrust load balance, the pad 7 in the thrust pad axial position regulating mechanism 5 and adjusting nut 6 are close to cylinder barrel 11 tail end faces, and piston 13 center oilholes are closed.Therefore, rotation adjusting nut 6 just can be adjusted the axial position of slide bar 8 and piston 13, namely adjusts the thickness of hydraulic pressure cavity, reaches the purpose of the axial position of adjusting thrust pad 3.
The piston 13 of hydroelastic system support mechanism 2 and cylinder barrel 11 positions can exchange, and namely thrust pad 3 is placed at the top of cylinder barrel 11, and the bottom of piston 13 is installed on the bearing housing 1.Thrust load will pass to piston 13 by the hydraulic oil in cylinder barrel 11 and cylinder barrel 11 inner hydraulic chamber, and then pass to housing 1.
Claims (6)
1. one kind has the thrust pad elastic bearing mechanism that axial position is adjusted function, formed by hydroelastic system support mechanism (2) and thrust pad axial position regulating mechanism (5), it is characterized in that: described hydroelastic system support mechanism (2) front end is connected with the thrust pad (3) that contacts with Thrust ring (4), the rear end connects thrust pad axial position regulating mechanism (5), the thrust pad axial position is adjusted (5) mechanism and is comprised slide bar (8), spring (10), pad (7) and adjusting nut (6), slide bar (8) and spring (10) are placed in the through hole of hydroelastic system support mechanism (2) afterbody, and slide bar (8) afterbody is equipped with pad (7) and adjusting nut (6).
2. according to claim 1ly have a thrust pad elastic bearing mechanism that axial position is adjusted function, it is characterized in that: described hydroelastic system support mechanism (2) comprises the hydraulic oil in the hydraulic pressure cavity between piston (13), cylinder barrel (11) and piston (13) and the cylinder barrel (11), the top of piston (13) is connected with Thrust ring (4) contact by thrust pad (3), and the bottom of cylinder barrel (11) is installed on the bearing housing (1).
3. according to claim 1ly have a thrust pad elastic bearing mechanism that axial position is adjusted function, it is characterized in that: described hydroelastic system support mechanism (2) comprises the hydraulic oil in the hydraulic pressure cavity between piston (13), cylinder barrel (11) and piston (13) and the cylinder barrel (11), the top of cylinder barrel (11) is connected with Thrust ring (4) contact by thrust pad (3), and piston (13) bottom is installed on the bearing housing (1).
4. the thrust pad elastic bearing mechanism that has axial position adjustment function according to claim 2 is characterized in that: the outer collar (12) that is with of described cylinder barrel (11); Connect hydraulic oil pipe by pipe joint (9) on cylinder barrel (11) ear end face.
5. the thrust pad elastic bearing mechanism that has axial position adjustment function according to claim 3 is characterized in that: the outer collar (12) that is with of described piston (13); Connect hydraulic oil pipe by pipe joint (9) on piston (13) ear end face.
6. according to claim 2 or the 3 described thrust pad elastic bearing mechanism that have axial position adjustment function, it is characterized in that: when the oil pressure in the hydraulic pressure cavity between described piston (13) and the cylinder barrel (11) and thrust load balance, pad (7) and adjusting nut (6) are close to cylinder barrel (11) tail end face, closure piston (13) center oilhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310169821.3A CN103233977B (en) | 2013-05-10 | 2013-05-10 | With the elastic thrust pad support mechanism of axial position adjustment function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310169821.3A CN103233977B (en) | 2013-05-10 | 2013-05-10 | With the elastic thrust pad support mechanism of axial position adjustment function |
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| CN103233977A true CN103233977A (en) | 2013-08-07 |
| CN103233977B CN103233977B (en) | 2015-10-28 |
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| CN201310169821.3A Active CN103233977B (en) | 2013-05-10 | 2013-05-10 | With the elastic thrust pad support mechanism of axial position adjustment function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575467A (en) * | 2017-09-22 | 2018-01-12 | 中国船舶重工集团公司第七〇九研究所 | A kind of active frequency modulation hydraulic damping vibration damping thrust bearing |
| CN108561503A (en) * | 2018-04-12 | 2018-09-21 | 上海交通大学 | The unit of dynamic absorber containing Negative stiffness spring and thrust bearing |
| CN109505860A (en) * | 2019-01-14 | 2019-03-22 | 中国船舶重工集团公司第七0三研究所 | A kind of butterfly spring support tilting thrust bearing |
| CN110594339A (en) * | 2019-09-30 | 2019-12-20 | 华中科技大学 | Thrust bearing internal communication balance oil cylinder connected with resonance converter |
| CN111761503A (en) * | 2020-06-29 | 2020-10-13 | 宁波安杰森精密机械制造有限公司 | Bearing ring channel ultra-lapping device |
| CN114635914A (en) * | 2022-03-29 | 2022-06-17 | 郑州机械研究所有限公司 | Axial double-layer duplex self-adjusting thrust bearing |
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| JPH11303864A (en) * | 1998-04-24 | 1999-11-02 | Hitachi Ltd | Damping bearing |
| KR20050118951A (en) * | 2004-06-15 | 2005-12-20 | 삼성테크윈 주식회사 | Air foil bearing and structure for supplying air into it |
| CN102840237A (en) * | 2012-07-27 | 2012-12-26 | 华中科技大学 | Liquid hydrostatic bearing capable of realizing oil distribution from end surface |
| CN202704945U (en) * | 2012-08-09 | 2013-01-30 | 湖南崇德工业科技有限公司 | Hydraulic jacking device used for rotating mechanism |
| CN203297345U (en) * | 2013-05-10 | 2013-11-20 | 中国船舶重工集团公司第七0四研究所 | Thrust bearing pad elastic support mechanism with axial position adjusting function |
-
2013
- 2013-05-10 CN CN201310169821.3A patent/CN103233977B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11303864A (en) * | 1998-04-24 | 1999-11-02 | Hitachi Ltd | Damping bearing |
| KR20050118951A (en) * | 2004-06-15 | 2005-12-20 | 삼성테크윈 주식회사 | Air foil bearing and structure for supplying air into it |
| CN102840237A (en) * | 2012-07-27 | 2012-12-26 | 华中科技大学 | Liquid hydrostatic bearing capable of realizing oil distribution from end surface |
| CN202704945U (en) * | 2012-08-09 | 2013-01-30 | 湖南崇德工业科技有限公司 | Hydraulic jacking device used for rotating mechanism |
| CN203297345U (en) * | 2013-05-10 | 2013-11-20 | 中国船舶重工集团公司第七0四研究所 | Thrust bearing pad elastic support mechanism with axial position adjusting function |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575467A (en) * | 2017-09-22 | 2018-01-12 | 中国船舶重工集团公司第七〇九研究所 | A kind of active frequency modulation hydraulic damping vibration damping thrust bearing |
| CN108561503A (en) * | 2018-04-12 | 2018-09-21 | 上海交通大学 | The unit of dynamic absorber containing Negative stiffness spring and thrust bearing |
| CN109505860A (en) * | 2019-01-14 | 2019-03-22 | 中国船舶重工集团公司第七0三研究所 | A kind of butterfly spring support tilting thrust bearing |
| CN110594339A (en) * | 2019-09-30 | 2019-12-20 | 华中科技大学 | Thrust bearing internal communication balance oil cylinder connected with resonance converter |
| CN111761503A (en) * | 2020-06-29 | 2020-10-13 | 宁波安杰森精密机械制造有限公司 | Bearing ring channel ultra-lapping device |
| CN111761503B (en) * | 2020-06-29 | 2022-03-08 | 宁波安杰森精密机械制造有限公司 | Bearing ring channel ultra-lapping device |
| CN114635914A (en) * | 2022-03-29 | 2022-06-17 | 郑州机械研究所有限公司 | Axial double-layer duplex self-adjusting thrust bearing |
| CN114635914B (en) * | 2022-03-29 | 2022-12-13 | 郑州机械研究所有限公司 | Axial double-layer duplex self-adjusting thrust bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103233977B (en) | 2015-10-28 |
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