CN102943731B - A kind of water lubrication combination bearing - Google Patents
A kind of water lubrication combination bearing Download PDFInfo
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- CN102943731B CN102943731B CN201210393532.7A CN201210393532A CN102943731B CN 102943731 B CN102943731 B CN 102943731B CN 201210393532 A CN201210393532 A CN 201210393532A CN 102943731 B CN102943731 B CN 102943731B
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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 invention discloses a kind of water lubrication combination bearing, comprising: support ring, quiet U-loop, bearing support, dynamic U-loop and runner plate; Quiet U-loop is fixed on support ring upper-end surface; Quiet U-loop is the annulus being axially processed with " U " font groove; Quiet U-loop groove internal fixtion has bearing support, and bearing support and Jun You gap, quiet U-loop groove inner wall both sides; Bearing support upper-end surface and side are provided with water labricating metal plastic layer; Have employed the structure of the present invention by the quiet U-loop of appropriate design, bearing support, dynamic U-loop of technique scheme; Realized the lubrication of bearing by water labricating metal plastic layer, the PT had by water labricating metal plastic layer place surface Machining, mineralization pressure after injecting high pressure water in tank, provide pressure balance to realize bearing force in radial and axial force and high pressure water; Utilizing between quiet U-loop and dynamic U-loop adopts rotary dynamic seal to form bearing seal.
Description
Technical field
The present invention relates to sliding bearing, particularly a kind of water lubrication combination bearing.
Background technique
The thrust-bearing of the equipment such as vertical type generator group and guide bearing are the important parts of unit.The existing Hydropower Unit bearing overwhelming majority used is oil lubrication, and take up room comparatively large, complex structure, except needs oil lubrication, also needs to configure internal or external water cooler.
Summary of the invention
The present invention is directed to above problem, provide a kind of and use NEW TYPE OF COMPOSITE water lubricating bearing material, and bearing and appurtenances are combined into one, use clean water as the water lubrication derivation combination bearing of lubricant medium.
For reaching above object, be achieved through the following technical solutions:
A kind of water lubrication combination bearing, comprising: support ring, quiet U-loop, bearing support, dynamic U-loop, runner and thrust block; Quiet U-loop is fixed on support ring upper-end surface; Quiet U-loop is the annulus being axially processed with " U " font groove, and radial direction is processed with water inlet and backwater hole; Quiet U-loop groove internal fixtion has bearing support, and bearing support and Jun You gap, quiet U-loop groove inner wall both sides; Bearing support upper-end surface and inwall are provided with water labricating metal plastic layer; The water labricating metal plastic layer upper surface of bearing support upper end and inwall is processed with PT, and PT quantity is more than 1 or 1; When PT is 1, PT is ring, and PT center and bearing support central coaxial; When PT is more than 1, PT is evenly distributed on bearing support upper annular surface, and PT cross section is fan-shaped or circular; Bearing support is axially processed with one end and is communicated with quiet U-loop water inlet, the hydrostatic pressure hole that the other end is communicated with the water labricating metal plastic layer upper surface PT of bearing support upper end; Dynamic U-loop is the annulus being axially processed with down " U " font groove; Dynamic U-loop buckles on quiet U-loop, and is rotary motive sealing with quiet U-loop; Dynamic U-loop upper end is fixed with thrust collar; Runner plate is fixed on dynamic U-loop bottom portion of groove.
Have employed technique scheme is the situation that the present invention is applicable to compared with Smaller load: by the structure of the quiet U-loop of appropriate design, bearing support, dynamic U-loop, and utilize between quiet U-loop and dynamic U-loop and adopt rotary dynamic seal to form seal chamber, formed in seal chamber by PT and runner plate and inject mineralization pressure after high pressure water, realize the stressed static balancing of bearing, namely bearing force in radial and axial force and high pressure water provide pressure balance; Support and the lubrication of bearing is realized by the water labricating metal plastic layer being arranged on bearing support upper surface and inwall; The circulation that water pumping mechanism realizes water is connected by the osculum of quiet U-loop.
A kind of water lubrication combination bearing, comprising: support ring, quiet U-loop, bearing support, dynamic U-loop, runner and thrust block; Quiet U-loop is fixed on support ring upper-end surface; Quiet U-loop is the annulus being axially processed with " U " font groove, and radial direction is processed with water inlet and backwater hole; Quiet U-loop groove internal fixtion has bearing support, and bearing support and Jun You gap, quiet U-loop groove inner wall both sides; Bearing support is integral type or is divided into equal-sized some parts to be evenly distributed in quiet U-loop annular recess; Bearing support upper-end surface is provided with water labricating metal plastic layer; Water labricating metal plastic layer upper surface is processed with PT, and PT quantity is more than 1 or 1; Bearing support is axially processed with one end and is communicated with quiet U-loop water inlet, the hydrostatic pressure hole that the other end is communicated with water labricating metal plastic layer upper surface PT; Dynamic U-loop is the annulus being axially processed with down " U " font groove; Dynamic U-loop inside is fixed with runner plate; Runner plate is integrated ring-type and is fixed in dynamic U-loop annular recess; Runner plate forms annular width and is less than dynamic U-loop annular recess width, and bottom runner plate and dynamic U-loop annular recess and miner diameter end sidewall fluid-tight engagement, namely runner plate formation annulus and dynamic U-loop external diameter side wall form annular recess; Runner plate is formed outside annulus and is equipped with radial force ring; Radial force ring and runner plate contact jaw surface are fixed with radial water lubricated metal plastic layer, and radial water lubricated metal plastic layer and runner plate contact surface are processed with radial pressure tank herein, namely radial pressure tank and runner plate outer wall form cavity herein, and radial force ring is processed with radial water lubricated metal plastic layer the radial blasthole being communicated with radial pressure tank and water inlet herein simultaneously; Dynamic U-loop buckles on quiet U-loop, and is rotary motive sealing with quiet U-loop; Dynamic U-loop upper end is fixed with thrust collar.
PT and radial pressure tank can be processed as more than 1 or 1; When PT is processed as 1, PT is ring, and PT center is coaxial with bearing centre; When PT is processed as more than 1, PT is evenly distributed on bearing support upper end face, and quantity is identical with bearing support institute block count; When radial pressure tank is 1, radial pressure tank is ring, and radial pressure sink center is coaxial with bearing centre; When radial pressure tank is processed as more than 1, radial pressure tank is evenly distributed on radial force ring inwall annular surface; PT cross section is circular or fan-shaped.
Have employed technique scheme is the situation that the present invention is applicable to larger load: by the quiet U-loop of appropriate design, bearing support, dynamic U-loop, dynamic U-loop internal fixtion has runner plate, and dynamic U-loop outer wall is nested with radial force ring, the PT being fixed on bearing support upper end water labricating metal plastic layer upper surface axial depression and the radial pressure tank being fixed on radial force ring inwall water labricating metal plastic layer radial depressions is utilized to form axial pressure cavity and radial pressure cavity with the runner plate be fixed in dynamic U-loop, and at quiet U-loop, bearing support and radial force ring are provided with the water hole for high pressure water being injected axial pressure cavity and radial pressure inside cavity, utilize between quiet U-loop and dynamic U-loop adopts rotary dynamic seal to form seal chamber simultaneously, work as PT like this, mineralization pressure after injection high pressure water in radial pressure tank cavity, realize the radial bearing capacity and the axial carrying capacity that increase bearing, the lubrication of bearing is realized by the water labricating metal plastic layer being arranged on bearing support upper surface and inwall, the circulation that water pumping mechanism realizes water is connected by the osculum of quiet U-loop.
Above-mentioned two kinds of constitution water lubricating bearings, be applicable to substantially horizontal and install, the rotating machinery that rotating shaft is vertical, as Hydropower Unit etc.Forming overall structure by upper and lower U-shaped ring is its main feature, has and will bear axial force and radial force bearing pack is arranged among surely U-shaped ring structure, the feature of compact structure.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of section of the present invention.
Fig. 2 is main TV structure schematic diagram of the present invention.
Fig. 3 is the cross-sectional view after the present invention removes thrust collar and support ring.
Fig. 4 is the plan structure schematic diagram after the present invention removes thrust collar, support ring and dynamic U-loop.
Fig. 5 is that the present invention is for larger load condition cross-sectional view.
Fig. 6 is that the present invention is for cross-sectional view after larger load condition dismounting thrust collar, support ring and dynamic U-loop.
Fig. 7 is that the present invention removes the plan structure schematic diagram after thrust collar, support ring and dynamic U-loop for during larger load condition PT employing circle.
Fig. 8 removes the plan structure schematic diagram after thrust collar, support ring and dynamic U-loop when to be the present invention adopt fan-shaped for larger load condition PT.
Embodiment
Mode of execution one
A kind of water lubrication combination bearing as shown in Figure 1, Figure 2 and Figure 3, comprising: support ring 1, quiet U-loop 2, bearing support 3, dynamic U-loop 4, runner plate 5 and thrust collar 6; Quiet U-loop 2 is fixed on support ring 1 upper-end surface; Quiet U-loop 2 is the annulus being axially processed with " U " font groove, and radial direction is processed with water inlet 2.1 and backwater hole 2.2; Quiet U-loop 2 groove internal fixtion has bearing support 3, and bearing support 3 and Jun You gap, quiet U-loop 2 groove inner wall both sides are as shown in figures 1 and 3; Bearing support 3 upper-end surface and inwall are provided with water labricating metal plastic layer 7; Water labricating metal plastic layer 7 upper surface of bearing support 3 upper end is processed with PT 8, and PT 8 quantity is more than 1 or 1; Bearing support 3 is axially processed with one end and is communicated with quiet U-loop 2 water inlet 2.1, and the hydrostatic pressure hole 3.1 that the other end is communicated with the water labricating metal plastic layer 7 upper surface PT 8 of bearing support 3 upper end as shown in Figure 3; Dynamic U-loop 4 is the annulus being axially processed with down " U " font groove; Dynamic U-loop 4 buckles on quiet U-loop 2, and with quiet U-loop 2 be rotary motive sealing as shown in figures 1 and 3; Dynamic U-loop 4 upper end is fixed with thrust collar 6 as depicted in figs. 1 and 2; Runner plate 5 is fixed on dynamic U-loop 4 bottom portion of groove; The working depth of PT 8 is degree of depth 1-3mm.
Adopting the situation that the present invention of technique scheme is applicable to compared with Smaller load, at bearing support ring 1 bottom for fixing with the support of generator set, bearing the radial force of thrust vertically downward and level, quiet U-loop 2 is fixed with support ring 1, plays spring bearing body 3, and forms the effect of airtight cavity with dynamic U-loop 4, bearing support 3 is that quiet U-loop 2 forms the subdivision structure of toroidal cavity with dynamic U-loop 4, and fix with quiet U-loop 2, its upper-end surface and inner cylindrical surface adopt soldering or other modes to be fixed with this material relevant information of water labricating metal plastic layer 7(can have related description in our company's patent 200410100476.9 of having obtained the authorization), and water labricating metal plastic layer 7 upper surface is processed with PT 8, and the hydrostatic pressure hole 3.1 being communicated to quiet U-loop 2 exterior bottom water inlet 2.1 is arranged at bottom, when the lubrication water of high pressure passes into quiet U-loop 2, in the seal chamber that bearing support 3 and dynamic U-loop 4 are formed, mineralization pressure and external stressed formation stress balance in cavity, the water labricating metal plastic layer 7 being meanwhile fixed on bearing support 3 upper surface and inwall forms two place's friction pairs and plays lubrication, bearing is rotated, thrust collar 6 is connected with the rotating shaft of unit, is delivered to dynamic U-loop 4 by stressed, the uniform high-low-position backwater mouth 2.2 in medial and lateral of quiet U-loop 2, by lubrication water circulation system by the lubrication water of negative pressure extraction through friction pair, and then forms circulation,
The present invention can select PT 8 to be processed as more than 1 or 1 according to the actual conditions of user; When PT 8 is processed as 1, PT 8 is ring, and PT 8 center and bearing support 3 central coaxial; When PT 8 is processed as more than 1, PT 8 is evenly distributed on bearing support 3 upper annular surface, and PT 8 cross section be fan-shaped or circle as shown in Figure 4, to guarantee the equilibrium of pressure.
Mode of execution two
In order to improve the axis of bearing and radial bearing capacity, consider bearing machining and later stage debugging, adjust ensureing to carry out under principle and the indeclinable prerequisite of agent structure the sealed cavity internal structure that dynamic U-loop 4 and quiet U-loop 2 formed, its structure is simultaneously:
A kind of water lubrication combination bearing as shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, comprising: support ring 1, quiet U-loop 2, bearing support 3, dynamic U-loop 4, runner plate 5 and thrust collar 6; Quiet U-loop 2 is fixed on support ring 1 upper-end surface; Quiet U-loop 2 is the annulus being axially processed with " U " font groove, and radial direction is processed with water inlet 2.1 and backwater hole 2.2; Quiet U-loop 2 groove internal fixtion has bearing support 3, and bearing support 3 and Jun You gap, quiet U-loop 2 groove inner wall both sides; Bearing support 3 is for integral type or be divided into equal-sized some parts to be evenly distributed in quiet U-loop 2 annular recess; Bearing support 3 upper-end surface is fixed with packing ring 9, and packing ring 9 upper-end surface is provided with water labricating metal plastic layer 7; Water labricating metal plastic layer 7 upper surface is processed with PT 8, and PT 8 quantity is more than 1 or 1; Bearing support 3 is axially processed with one end and is communicated with quiet U-loop 2 water inlet 2.1, and the hydrostatic pressure hole 3.1 that the other end is communicated with water labricating metal plastic layer 7 upper surface PT 8 as shown in Figure 5 and Figure 6; Dynamic U-loop 4 is the annulus being axially processed with down " U " font groove; Dynamic U-loop 4 inside is fixed with runner plate 5; Runner plate 5 can be processed as one ring-type or be divided into equal-sized some parts to be evenly distributed in dynamic U-loop 4 annular recess; Runner plate 5 forms annular width and is less than dynamic U-loop 4 annular recess width, and bottom runner plate 5 and dynamic U-loop 4 annular recess and miner diameter end sidewall fluid-tight engagement, and namely runner plate 5 forms annulus and dynamic U-loop 4 external diameter side wall forms annular recess; Runner plate 5 is formed outside annulus and is equipped with radial force ring 10; Radial force ring 10 and runner plate 5 contact jaw surface are fixed with radial water lubricated metal plastic layer 11, and radial water lubricated metal plastic layer 11 and runner plate 5 contact surface are processed with radial pressure tank 12 herein, namely radial pressure tank 12 and runner plate 5 outer wall form cavity herein, and radial force ring 10 and radial water lubricated metal plastic layer 11 are processed with the radial blasthole 13 being communicated with radial pressure tank 12 and water inlet 2.1 herein simultaneously; Dynamic U-loop 4 buckles on quiet U-loop 2, and is rotary motive sealing with quiet U-loop 2; Described dynamic U-loop 4 upper end is fixed with thrust collar 6 as shown in Figure 5;
PT 8 and radial pressure tank 12 can be processed as more than 1 or 1; When PT 8 is processed as 1, PT 8 is ring, and PT 8 center is coaxial with bearing centre; When PT 8 is processed as more than 1, PT 8 is evenly distributed on bearing support 3 upper annular surface; When radial pressure tank 12 is 1, radial pressure tank 12 is ring, and radial pressure tank 8 center is coaxial with bearing centre; When radial pressure tank 12 is processed as more than 1, radial pressure tank 12 is evenly distributed on radial force ring 10 inwall annular surface; PT 8 cross section is circular or as shown in Figure 7 and Figure 8 fan-shaped; The working depth of radial pressure tank 12 and PT 8 is degree of depth 1-3mm.
The present invention that have employed technique scheme is applicable to the situation of larger load, by the quiet U-loop 2 of appropriate design, bearing support 3, dynamic U-loop 4, and have runner plate 5 at dynamic U-loop 4 internal fixtion, outer wall is nested with radial force ring 10, the PT 8 being fixed on packing ring 9 upper end water labricating metal plastic layer 7 upper surface axial depression and the radial pressure tank 12 being fixed on radial force ring 10 inwall radial water lubricated metal plastic layer 11 radial depressions is utilized to form axial pressure cavity and radial pressure cavity with the runner plate 5 be fixed in dynamic U-loop 4, and at quiet U-loop 2, bearing support 3 and radial force ring 10 are provided with (the i.e. water inlet 2.1, water hole for high pressure water being injected axial pressure cavity and radial pressure inside cavity, radial blasthole 13 and hydrostatic pressure hole 3.1), utilize between quiet U-loop 2 and dynamic U-loop 4 adopts rotary dynamic seal to form seal chamber simultaneously, like this when PT 8, radial pressure tank 12 and quiet U-loop 2 and dynamic U-loop 4 are formed in cavity and inject self-assembling formation pressure after high pressure water, realize the radial bearing capacity and the axial carrying capacity that increase bearing, the lubrication of bearing is realized by the water labricating metal plastic layer 7 and radial water lubricated metal plastic layer 11 being arranged on bearing support 3 upper surface and radial force ring 10 inwall, the circulation that water pumping mechanism realizes water is connected by the osculum of quiet U-loop 2.
The bearing structure of two kinds of mode of executions of the invention described above can use water that lubricant oil also can be used as pressure carrying and lubricant medium, forming overall structure by upper and lower U-shaped ring is its main feature, have and will bear axial force and radial force bearing pack is arranged among surely U-shaped ring structure, the feature of compact structure, bearing capacity is increased simultaneously.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art are not departing within the scope of technical solution of the present invention, when the technology contents that appeal can be utilized to disclose is made a little change or is modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. a water lubrication combination bearing, is characterized in that: comprise, support ring (1), quiet U-loop (2), bearing support (3), dynamic U-loop (4), runner plate (5) and thrust collar (6); Described quiet U-loop (2) is fixed on support ring (1) upper-end surface; Described quiet U-loop (2) is the annulus being axially processed with " U " font groove, and radial direction is processed with water inlet (2.1) and backwater hole (2.2); Described quiet U-loop (2) groove internal fixtion has bearing support (3), and bearing support (3) and Jun You gap, quiet U-loop (2) groove inner wall both sides; Described bearing support (3) upper-end surface and inwall are provided with water labricating metal plastic layer (7); Water labricating metal plastic layer (7) upper surface of described bearing support (3) upper end is processed with PT (8), and described PT (8) quantity is more than 1; When PT (8) is 1, described PT (8) is ring, and PT (8) center and bearing support (3) central coaxial; Described bearing support (3) is axially processed with one end and is communicated with quiet U-loop (2) water inlet (2.1), the hydrostatic pressure hole (3.1) that the other end is communicated with water labricating metal plastic layer (7) the upper surface PT (8) of bearing support (3) upper end; Described dynamic U-loop (4) is the annulus being axially processed with down " U " font groove; Described dynamic U-loop (4) buckles on quiet U-loop (2), and is rotary motive sealing with quiet U-loop (2); Described dynamic U-loop (4) upper end is fixed with thrust collar (6); Described runner plate (5) is fixed on dynamic U-loop (4) bottom portion of groove; When PT (8) is greater than one, described PT (8) is evenly distributed on bearing support (3) upper annular surface.
2. a kind of water lubrication combination bearing according to claim 1, is characterized in that: when PT (8) quantity is more than one, described PT (8) shape is fan-shaped or circular.
3. a water lubrication combination bearing, is characterized in that: comprise support ring (1), quiet U-loop (2), bearing support (3), dynamic U-loop (4), runner plate (5) and thrust collar (6); Described quiet U-loop (2) is fixed on support ring (1) upper-end surface; Described quiet U-loop (2) is the annulus being axially processed with " U " font groove, and radial direction is processed with water inlet (2.1) and backwater hole (2.2); Described quiet U-loop (2) groove internal fixtion has bearing support (3), and bearing support (3) and Jun You gap, quiet U-loop (2) groove inner wall both sides; Described bearing support (3) is for integral type or be divided into equal-sized some parts to be evenly distributed in quiet U-loop (2) annular recess; Described bearing support (3) upper-end surface is fixed with packing ring (9), and described packing ring (9) upper-end surface is provided with water labricating metal plastic layer (7); Described water labricating metal plastic layer (7) upper surface is processed with PT (8), and PT (8) quantity is more than 1; Bearing support (3) is axially processed with one end and is communicated with quiet U-loop (2) water inlet (2.1), the hydrostatic pressure hole (3.1) that the other end is communicated with water labricating metal plastic layer (7) upper surface PT (8); Described dynamic U-loop (4) is the annulus being axially processed with down " U " font groove; Described dynamic U-loop (4) inside is fixed with runner plate (5); Described runner plate (5) can be processed as one ring-type or be divided into equal-sized some parts to be evenly distributed in dynamic U-loop (4) annular recess; Described runner plate (5) forms annular width and is less than dynamic U-loop (4) annular recess width, and bottom runner plate (5) and dynamic U-loop (4) annular recess and miner diameter end sidewall fluid-tight engagement, namely runner plate (5) forms annulus and dynamic U-loop (4) external diameter side wall forms annular recess; Described runner plate (5) is formed outside annulus and is equipped with radial force ring (10); Described radial force ring (10) and runner plate (5) contact jaw surface are fixed with radial water lubricated metal plastic layer (11), and radial water lubricated metal plastic layer (11) and runner plate (5) contact surface are processed with radial pressure tank (12) herein, namely radial pressure tank (12) and runner plate (5) outer wall form cavity herein, and radial force ring (10) and radial water lubricated metal plastic layer (11) are processed with the radial blasthole (13) being communicated with radial pressure tank (12) and water inlet (2.1) herein simultaneously; Described dynamic U-loop (4) buckles on quiet U-loop (2), and is rotary motive sealing with quiet U-loop (2); Described dynamic U-loop (4) upper end is fixed with thrust collar (6).
4. a kind of water lubrication combination bearing according to claim 3, is characterized in that: described PT (8) and radial pressure tank (12) are more than 1; When PT (8) is 1, PT (8) is ring, and PT (8) center is coaxial with bearing centre; When PT (8) is greater than 1, PT (8) is evenly distributed on bearing support (3) upper annular surface; When radial pressure tank (12) is 1, radial pressure tank (12) is ring, and radial pressure tank (8) center is coaxial with bearing centre; When radial pressure tank (12) is greater than 1, radial pressure tank (12) is evenly distributed on radial force ring (10) inwall annular surface; Described PT (8) shape is circular or fan-shaped.
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| CN201210393532.7A CN102943731B (en) | 2012-10-16 | 2012-10-16 | A kind of water lubrication combination bearing |
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| CN201210393532.7A CN102943731B (en) | 2012-10-16 | 2012-10-16 | A kind of water lubrication combination bearing |
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| CN106763147A (en) * | 2017-01-09 | 2017-05-31 | 重庆大学 | NEW ADAPTIVE water lubricating thrust bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202883727U (en) * | 2012-10-16 | 2013-04-17 | 大连三环复合材料技术开发有限公司 | Water-lubricated combination bearing |
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| JPS62131979A (en) * | 1985-12-02 | 1987-06-15 | Mitsubishi Heavy Ind Ltd | Water turbine |
| CN2095303U (en) * | 1991-01-28 | 1992-02-05 | 郝湘森 | Bearing housing with water as lubricating agent |
| JP3745396B2 (en) * | 1994-11-15 | 2006-02-15 | 株式会社日立製作所 | Water lubricated ceramic bearing device, pump and water wheel |
| CN1124827A (en) * | 1994-12-14 | 1996-06-19 | 陈祖茂 | Reversible rotation type water lubricating thrust bearing |
| CN201177007Y (en) * | 2008-04-09 | 2009-01-07 | 哈尔滨电机厂有限责任公司 | Pure carbon graphite water-lubricated bearing |
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| CN202883727U (en) * | 2012-10-16 | 2013-04-17 | 大连三环复合材料技术开发有限公司 | Water-lubricated combination bearing |
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Address after: Thirty Lingang Industrial Zone, 116200 Li Pu new district, Liaoning, Dalian Patentee after: Dalian Sanhuan Composite Material Technology Development Co., Ltd. Address before: Thirty Lingang Industrial Zone, 116200 Li Pu new district, Liaoning, Dalian Patentee before: Dalian Sanhuan Composite Material Technology Development Co., Ltd. |