CN206942919U - Hydraulic generator thrust bearing watt mesohigh oil damping structure - Google Patents
Hydraulic generator thrust bearing watt mesohigh oil damping structure Download PDFInfo
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- CN206942919U CN206942919U CN201720590140.8U CN201720590140U CN206942919U CN 206942919 U CN206942919 U CN 206942919U CN 201720590140 U CN201720590140 U CN 201720590140U CN 206942919 U CN206942919 U CN 206942919U
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- thrust bearing
- hole
- bearing segment
- joint
- plectane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a kind of hydraulic generator thrust bearing watt mesohigh oil damping structure, is made up of thrust bearing segment, plug, annulus, plectane, pad, joint.Plug, annulus, plectane are located in thrust bearing segment radial hole；During pad, joint are located in thrust bearing segment axial hole.The end of radial hole and axial hole penetrates.Through hole is provided among plug, through hole is provided among annulus, is provided with funnel-shaped hole among plectane, in the radial hole of thrust bearing segment, plectane and annulus are staggered successively, and outermost is compressed with plug.Extreme pressure lubricant flows through reducing cavity and produces hysteresis, and the flow velocity for making to enter the lubricating oil of every piece of thrust bearing segment lowers and reached unanimity.Be provided with through hole among joint, joint is arranged in the axial hole of thrust bearing segment, with pad adjustment make the upper end of joint be located at thrust bearing segment upper surface spill grease chamber bottom.When being jacked up in favor of hydraulic oil each thrust bearing segment it is oil-filled equilibrium with stably.
Description
Technical field
It the utility model is related to vertical hydrogenerator technical field, there is provided high in a kind of hydraulic generator thrust bearing watt
Press oil damping structure.
Background technology
In vertical hydrogenerator, thrust bearing segment assume responsibility for unit rotatable parts weight and hydraulic thrust.It is to ensure to turn
Important component of the dynamic component in given axial location rotation.The thrust bearing of turbine-generator units typically uses oil lubrication, profit
The viscous effect to lubricating oil is rotated with unit runner plate, lubricating oil is brought between runner plate and thrust bearing segment, and remains certain
Oil film thickness, ensure the normal oil lubrication between runner plate and thrust bearing segment.In Unit Commitment machine, due to generating unit speed
Change, the thickness of lubricating oil film changes, and may cause thrust bearing segment and runner plate that dry friction occurs, be set so as to damage
It is standby.Therefore, typically remain certain between thrust bearing segment and runner plate by injecting extreme pressure lubricant in thrust bearing segment upper surface
Oil film thickness to adapt to unit start and stop when caused by rotation speed change oil film thickness change, prevent dry friction and cause thing
Therefore.Because by manufacturing and installation is influenceed, the actual bearer of each piece of thrust bearing segment is different, and extreme pressure lubricant is in parallel to note successively
Enter each piece of thrust bearing segment, it is difficult to ensure that the flow of the grease chamber mesohigh oil of each piece of thrust bearing segment is consistent.
The content of the invention
The purpose of this utility model is to disclose a kind of hydraulic generator thrust bearing watt mesohigh oil damping structure, utilizes height
Force feed damping action caused by flowing in diameter-changing cavity body, make the high pressure profit of each piece of thrust bearing segment outflow in a shunt circuit
Lubricating oil flow velocity is consistent, and then ensures that flow is consistent.The pressure of lubricating oil is higher, and the adjustment effect of the damping structure is more obvious.
The technical solution of the utility model is as follows：
A kind of hydraulic generator thrust bearing watt mesohigh oil damping structure, by thrust bearing segment (1), plug (2), annulus
(3), plectane (4), pad (5), joint (6) composition；Plug (2), annulus (3), plectane (4) are located at thrust bearing segment (1) radially
In hole (7)；Pad (5), joint (6) are located in thrust bearing segment (1) axial hole (8).
The radial hole (7) of described thrust bearing segment (1) is formed by three sections from outside to inside, is followed successively by screwed hole, unthreaded hole, bottom
Hole, the axial hole (8) of thrust bearing segment (1) are from top to bottom formed by two sections, are followed successively by unthreaded hole and screwed hole, radial hole (7) and
The end insertion of axial hole (8).
Through hole is provided among described plug (2), through hole is provided among annulus (3), being provided with infundibulate among plectane (4) leads to
Hole, in the radial hole (7) of thrust bearing segment (1), plectane (4) and annulus (3) are staggered successively, and outermost is with plug (2)
Compress.
Through hole is provided among described joint (6), joint (6) is arranged in the axial hole (8) of thrust bearing segment (1), connect
The through hole lower end of head (6) penetrates with the radial hole of thrust bearing segment (1), is located at the upper end of joint (6) with pad (5) adjustment and pushes away
The bottom of the spill grease chamber of power bearing liner (1) upper surface.
Technique effect
1. hydraulic generator thrust bearing watt mesohigh oil damping structure, generation is flowed in diameter-changing cavity body using hydraulic oil
Damping action, make in a shunt circuit high-tension lubrication oil flow rate of each piece of thrust bearing segment outflow consistent, and then ensure stream
Amount is consistent.The pressure of lubricating oil is higher, and the adjustment effect of the damping structure is more obvious.
2. the radial hole of thrust bearing segment is formed by three sections from outside to inside, screwed hole, unthreaded hole, bottom outlet are followed successively by.Thrust axis
The axial hole held watt is from top to bottom formed by two sections, is followed successively by unthreaded hole and screwed hole.The end of radial hole and axial hole penetrates.Silk
Stifled centre is provided with through hole, and through hole is provided among annulus, funnel-shaped hole is provided among plectane, in the radial hole of thrust bearing segment
Interior, plectane and annulus are staggered successively, and outermost is compressed with plug.When hydraulic oil flows into this damping structure, high-tension lubrication
Oil stream produces hysteresis through reducing cavity, and the flow velocity for making to enter the lubricating oil of every piece of thrust bearing segment lowers and reached unanimity.
3. being provided with through hole among joint, joint is arranged in the axial hole of thrust bearing segment, and the through hole lower end of joint is with pushing away
Power bearing liner radial hole insertion, with pad adjustment make joint upper end be located at thrust bearing segment upper surface spill grease chamber bottom
Portion.When being jacked up in favor of hydraulic oil each thrust bearing segment it is oil-filled equilibrium with stably.
Brief description of the drawings
Fig. 1 the utility model structure charts.
Fig. 2 is Fig. 1 A direction views.
Fig. 3 is Fig. 1 B zoomed-in views.
Fig. 4 is Fig. 1 C zoomed-in views.
Part label declaration in accompanying drawing：
1. thrust bearing segment；2. plug；3. annulus；4. plectane；5. pad；6. joint；7. radial hole；8. axial hole
Embodiment
Hydraulic generator thrust bearing watt mesohigh oil damping structure, by thrust bearing segment 1, plug 2, annulus 3, plectane 4,
Pad 5, joint 6 form.As shown in Figure 1 and Figure 2, plug 2, annulus 3, plectane 4 are located in the radial hole 7 of thrust bearing segment 1；Pad
5th, during joint 6 is located at 8 in the axial hole of thrust bearing segment 1.The radial hole 7 of thrust bearing segment 1 is formed by three sections from outside to inside, successively
For screwed hole, unthreaded hole, bottom outlet.The axial hole 8 of thrust bearing segment 1 is from top to bottom formed by two sections, is followed successively by unthreaded hole and screwed hole.
The end of radial hole 7 and axial hole 8 penetrates.As shown in figure 3, through hole is provided among plug 2, is provided with through hole, plectane among annulus 3
Funnel-shaped hole is provided among 4, in the radial hole 7 of thrust bearing segment 1, plectane 4 and annulus 3 are staggered successively, outermost
Compressed with plug.When hydraulic oil flows into this damping structure, extreme pressure lubricant flows through reducing cavity and produces hysteresis, makes entrance
The flow velocity of the lubricating oil of every piece of thrust bearing segment lowers and reached unanimity.As shown in figure 4, through hole is provided among joint 6, joint 6
In the axial hole 8 of thrust bearing segment 1, the through hole lower end of joint 6 penetrates with the radial hole 7 of thrust bearing segment 1, uses pad
5 adjustment make joint 6 upper end be located at the upper surface of thrust bearing segment 1 spill grease chamber bottom.It is each when being jacked up in favor of hydraulic oil
Thrust bearing segment it is oil-filled equilibrium with stably.
Finally, the scope of protection of the utility model is not limited to the above embodiments.Obviously, those skilled in the art can
To carry out various changes and deformation to the utility model without departing from the scope of the utility model and spirit.If these change and
Deformation belong in the range of the utility model claims and equivalent technologies, then the utility model be also intended to comprising these change and
Including deformation.
Claims (4)
1. a kind of hydraulic generator thrust bearing watt mesohigh oil damping structure, it is characterised in that by thrust bearing segment (1), silk
Stifled (2), annulus (3), plectane (4), pad (5), joint (6) composition；Plug (2), annulus (3), plectane (4) are located at thrust bearing
In watt (1) radial hole (7)；Pad (5), joint (6) are located in thrust bearing segment (1) axial hole (8).
2. hydraulic generator thrust bearing watt mesohigh oil damping structure according to claim 1, it is characterised in that thrust
The radial hole (7) of bearing liner (1) is formed by three sections from outside to inside, is followed successively by screwed hole, unthreaded hole, bottom outlet, thrust bearing segment (1)
Axial hole (8) is from top to bottom formed by two sections, is followed successively by unthreaded hole and screwed hole, and the end of radial hole (7) and axial hole (8) is passed through
It is logical.
3. hydraulic generator thrust bearing watt mesohigh oil damping structure according to claim 1, it is characterised in that plug
(2) through hole is provided among, through hole is provided among annulus (3), funnel-shaped hole is provided among plectane (4), in thrust bearing segment (1)
Radial hole (7) in, plectane (4) and annulus (3) are staggered successively, outermost with plug (2) compression.
4. hydraulic generator thrust bearing watt mesohigh oil damping structure according to claim 1, it is characterised in that joint
(6) through hole is provided among, joint (6) is arranged in the axial hole (8) of thrust bearing segment (1), and the through hole lower end of joint (6) is with pushing away
The radial hole insertion of power bearing liner (1), the upper end of joint (6) is set to be located at thrust bearing segment (1) upper surface with pad (5) adjustment
The bottom of spill grease chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720590140.8U CN206942919U (en) | 2017-05-25 | 2017-05-25 | Hydraulic generator thrust bearing watt mesohigh oil damping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720590140.8U CN206942919U (en) | 2017-05-25 | 2017-05-25 | Hydraulic generator thrust bearing watt mesohigh oil damping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206942919U true CN206942919U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720590140.8U Active CN206942919U (en) | 2017-05-25 | 2017-05-25 | Hydraulic generator thrust bearing watt mesohigh oil damping structure |
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| CN (1) | CN206942919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927886A (en) * | 2020-07-15 | 2020-11-13 | 杭州电子科技大学 | AACMM high-precision joint based on static pressure air bearing and supporting method thereof |
-
2017
- 2017-05-25 CN CN201720590140.8U patent/CN206942919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927886A (en) * | 2020-07-15 | 2020-11-13 | 杭州电子科技大学 | AACMM high-precision joint based on static pressure air bearing and supporting method thereof |
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