CN205780265U - Steam generator supports and uses self-lubricating ball pivot - Google Patents
Steam generator supports and uses self-lubricating ball pivot Download PDFInfo
- Publication number
- CN205780265U CN205780265U CN201620546756.0U CN201620546756U CN205780265U CN 205780265 U CN205780265 U CN 205780265U CN 201620546756 U CN201620546756 U CN 201620546756U CN 205780265 U CN205780265 U CN 205780265U
- Authority
- CN
- China
- Prior art keywords
- ball pivot
- convex surface
- steam generator
- blind hole
- spherical convex
- 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.)
- Active
Links
Landscapes
- Pivots And Pivotal Connections (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
This utility model relates to a kind of steam generator support self-lubricating ball pivot.It solve the problems such as prior art design is unreasonable.This steam generator support self-lubricating ball pivot includes ball pivot outer ring and the ball pivot inner ring being arranged in ball pivot outer ring, the inwall of ball pivot outer ring is spherical concave surface, in ball pivot, ring outer wall is spherical convex surface, spherical concave surface is mutually matched with spherical convex surface, spherical concave surface and/or spherical convex surface are provided with dry film lubrication oxidant layer, the spherical convex surface of described ball pivot inner ring is provided with some equally distributed flat blind holes and described flat blind hole axial line inwardly converges on the center of circle of spherical convex surface, the outer face being inlaid with solid lubrication post and solid lubrication post in each flat blind hole respectively flushes with spherical convex surface.The utility model has the advantage of: can significantly reduce friction factor value and bearing capacity is strong.
Description
Technical field
This utility model belongs to nuclear steam generator technical field, particularly relates to a kind of steam generator and supports with from profit
Sliding ball pivot.
Background technology
At nuclear power station run duration, owing to the flatulence of heat type of reactor main coolant loop pipeline can promote steam generator slow
Mobile, make steam generator produce micro-displacement, add the flatulence of heat type of steam generator itself so that time hot, steam generator is each
The angle of cross-brace produces the deflection of certain angle relative to its cold position.It is arranged in each cross-brace of steam generator
Plain radial bearing, it is allowed to each cross-brace of steam generator is along with reactor main coolant loop pipeline and steam generator
Flatulence of heat type suitably deflects, it is to avoid steam generator support system produces excessive restraint forces.
Owing to steam generator supports the upper ball pivot used, its bearing requirements is ripe application more than on domestic market
Ball pivot is big, and in addition to bearing requirements, the harsh environmental condition such as hot and humid in containment, thermal cycle, irradiation, burn into dust is also
Design to ball pivot proposes acid test, particularly the material to ball pivot, including ball pivot Internal and external cycle material and friction pair material
Material, at present this product its most at least there is techniques below defect: bearing capacity is poor and friction factor value is relatively big, the use of ball pivot
Life-span is shorter and practicality is poor.
In order to adapt to a new generation of China nuclear power developing, it is badly in need of developing a kind of steam generation that can solve the problem that above-mentioned technical problem
Device self-lubricating ball pivot.
Utility model content
The purpose of this utility model is for the problems referred to above, it is provided that one can significantly reduce friction factor value and carrying energy
The steam generator support self-lubricating ball pivot that power is strong.
Another one purpose of the present utility model is for the problems referred to above, it is provided that a kind of technique is simple, it is possible to significantly reduce
Friction factor value and the steam generator support self-lubricating ball pivot of bearing capacity can be improved.
For reaching above-mentioned purpose, this utility model have employed following technical proposal: the support self-lubricating of this steam generator
Ball pivot includes ball pivot outer ring and the ball pivot inner ring being arranged in ball pivot outer ring, and the inwall of ball pivot outer ring is spherical concave surface, in ball pivot
Ring outer wall is spherical convex surface, and spherical concave surface is mutually matched with spherical convex surface, is provided with dry film on spherical concave surface and/or spherical convex surface
Lubricant layer, is provided with some equally distributed flat blind holes and described flat blind hole on the spherical convex surface of described ball pivot inner ring
Axial line inwardly converges on the center of circle of spherical convex surface, is inlaid with solid lubrication post and solid profit in each flat blind hole respectively
The outer face of traveller flushes with spherical convex surface.
In above-mentioned steam generator support self-lubricating ball pivot, described ball pivot outer ring include two pieces symmetrically arranged
Halfbody, passes through at least integral type screw pin respectively by described two in the one end docked mutually after the two ends docking of two pieces of halfbodies
Block halfbody links together.
In above-mentioned steam generator support self-lubricating ball pivot, the both ends of the surface of any one piece of halfbody are respectively equipped with
At least one tapped blind hole, is provided with the first pin-and-hole that axial line overlaps with tapped blind hole axial line in the aperture of tapped blind hole,
It is respectively equipped with in the both ends of the surface of other one piece of halfbody and described the first pin-and-hole the second pin-and-hole one to one, described integral type spiral shell
The thread segment of pin inserts in tapped blind hole and threadeds with tapped blind hole, and the pin section of described integral type screw pin inserts in institute
In the first pin-and-hole stated and the second pin-and-hole.
In above-mentioned steam generator support self-lubricating ball pivot, docked mutually after the two ends docking of two pieces of halfbodies
Two pieces of described halfbodies are linked together by end respectively by two integral type screw pins side by side.
In above-mentioned steam generator support self-lubricating ball pivot, the total surface area of described solid lubrication post outer face is
The 34-40% of spherical convex surface surface area.Prioritization scheme, the total surface area of the solid lubrication post outer face of the present embodiment is spherical male
The 37% of face surface area.
In above-mentioned steam generator support self-lubricating ball pivot, described flat blind hole depth is equal.
In above-mentioned steam generator support self-lubricating ball pivot, the described spherical concave surface center of circle and the spherical convex surface center of circle
Overlap.
In above-mentioned steam generator support self-lubricating ball pivot, described ball pivot outer ring is rustless steel outer ring；Described
Ball pivot inner ring be copper alloy inner ring；Described solid lubrication post is high-purity core graphite；Described dry film lubrication oxidant layer includes
There is high purity graphite microparticle material.
In above-mentioned steam generator support self-lubricating ball pivot, the loading end pressure of this ball pivot is more than 400Mpa, work
Make face friction factor value and be less than 0.3, in temperature less than 325 DEG C and gamma ray resistant irradiation 5.26 × 105In the case of Gy, outside ball pivot
The performance of circle, ball pivot inner ring and solid lubrication post is without notable change.
The production technology of this steam generator support self-lubricating ball pivot comprises the steps:
A, processing ball pivot inner ring, ball pivot inner ring is processed to form by following steps:
A1, preparing copper alloy blank, copper alloy blank is ringwise；
A2, rough turn copper alloy blank internal-and external diameter, the internal diameter of the most rough turn copper alloy blank, the most rough turn copper closes
The external diameter of gold blank, prepares rough turn ball pivot inner ring, and in rough turn ball pivot, ring outer wall is rough turn spherical convex surface；
A3, inlaid solid lubrication post, bore some equally distributed flat blind holes on the spherical convex surface of rough turn ball pivot inner ring
And described flat blind hole axial line inwardly converges on the center of circle of spherical convex surface, it is inlaid with solid in each flat blind hole respectively
Body lubricates post and described flat blind hole and solid lubrication post interference fit, prepares ball pivot inner ring molectron；
A4, rough turn inner ring external diameter, the external diameter of the most rough turn ball pivot inner ring molectron and the outer face of solid lubrication post
Flush with spherical convex surface, prepare ball pivot inner ring semi-finished product；
A5, finish turning inner ring internal-and external diameter, at least one times internal-and external diameter of finish turning ball pivot inner ring semi-finished product, prepare ball pivot inner ring finished product
And form spherical convex surface at ball pivot inner ring finished product outer wall；
B, processing ball pivot outer ring, ball pivot outer ring is processed to form by following steps:
B1, preparing rustless steel blank, rustless steel blank is ringwise and rustless steel blank inwall forms spherical female base face；
B2, rough turn spherical female base face, the most rough turn spherical female base face, prepare rough turn ball pivot outer ring；
Rough turn ball pivot outer ring in b2 step, to cuing open, is divided into two pieces of symmetrically arranged halfbodies by b3, rough turn ball pivot outer ring,
Then the both ends of the surface of every piece of halfbody carry out finish-milling processing simultaneously, are respectively equipped with at least one in the both ends of the surface of any one piece of halfbody
Tapped blind hole, is provided with the first pin-and-hole that axial line overlaps with tapped blind hole axial line in the aperture of tapped blind hole, at other one piece
It is respectively equipped with in the both ends of the surface of halfbody and described the first pin-and-hole the second pin-and-hole one to one；
B4, assembling, manufacture the integral type screw pin equal with described tapped blind hole quantity, integral type screw pin thread segment
Inserting in tapped blind hole and threaded with tapped blind hole, the pin section of described integral type screw pin inserts in the first described pin-and-hole
With in the second pin-and-hole, prepare and assemble ball pivot outer ring；
B5, rough turn assembling ball pivot outer ring, the internal-and external diameter of the most rough turn assembling ball pivot outer ring, prepare and assemble ball pivot outer ring
Semi-finished product；
B6, finish turning assemble ball pivot outer ring semi-finished product, and finish turning assembles ball pivot outer ring semi-finished product external diameter and at least at least one times
Secondary finish turning assembles ball pivot outer ring semi-finished product internal diameter, prepares and assembles ball pivot outer ring finished product and assemble the inwall formation of ball pivot outer ring finished product
Spherical concave surface；
C, assembling: coating dry film lubrication oxidant layer on spherical convex surface and/or spherical concave surface, then carry out welder, finally will
Ball pivot inner ring finished product is put between two pieces of halfbodies, makes described halfbody docking be formed by integral type screw pin and assembles ball pivot outer ring
Finished product, i.e. prepare described steam generator support self-lubricating ball pivot.
Compared with prior art, the advantage of this steam generator support self-lubricating ball pivot and production technology thereof is:
The advantages such as 1, design is more reasonable, has structural strength high, and bearing capacity is big, and anti-wear performance is good and friction factor value is little.2, due to
The restriction of nuclear power operating mode, uses dry film lubrication, and solid lubrication post is fixed and do not used any adhesive, non-maintaining, design period
Long.3, simple in construction and easily fabricated.4, the resistance to irradiation of material and excellent corrosion, it is possible to be applied to technical field of nuclear power.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model provides.
Fig. 2 is the sectional structure schematic diagram that this utility model provides.
Fig. 3 is the integral type screw pin structural representation that this utility model provides.
In figure, ball pivot outer ring 1, spherical concave surface 11, halfbody 12, tapped blind hole the 13, first pin-and-hole the 14, second pin-and-hole 15, ball
Hinge inner ring 2, spherical convex surface 21, flat blind hole 22, dry film lubrication oxidant layer 3, solid lubrication post 4, integral type screw pin 5.
Detailed description of the invention
The following is the specific embodiment of utility model and combine accompanying drawing, the technical solution of the utility model is made further
Describe, but this utility model is not limited to these embodiments.
As Figure 1-3, this steam generator support self-lubricating ball pivot includes ball pivot outer ring 1 and is arranged on ball pivot outer ring
Ball pivot inner ring 2 in 1, ball pivot outer ring 1 is rustless steel outer ring, and the outer loop material of rustless steel is that 17-4PH is martensitic precipitation hardening stainless
Steel；Ball pivot inner ring 2 is copper alloy inner ring.
The inwall of ball pivot outer ring 1 is spherical concave surface 11, and ball pivot inner ring 2 outer wall is spherical convex surface 21, spherical concave surface 11 and ball
Shape convex surface 21 is mutually matched, and spherical concave surface 11 center of circle overlaps with spherical convex surface 21 center of circle.At spherical concave surface 11 and/or spherical convex surface
21 are provided with dry film lubrication oxidant layer 3, and dry film lubrication oxidant layer 3 is contained within high purity graphite microparticle material and dry film lubrication oxidant layer 3 thickness
For 0.1-0.15mm.Good lubricant environment and greasy property can be improved.
The spherical convex surface 21 of described ball pivot inner ring 2 is provided with some equally distributed flat blind holes 22 and described flat
Blind hole 22 axial line inwardly converges on the center of circle of spherical convex surface 21, the deep equality of flat blind hole 22, the present embodiment flat blind
Aperture, hole 22 be the degree of depth of Φ 8mm and flat blind hole 22 be 3mm.
Solid lubrication post 4 and the outer face of solid lubrication post 4 and spherical male it is inlaid with respectively in each flat blind hole 22
Face 21 flushes.Solid lubrication post 4 is for high-purity core graphite and does not use any adhesive；Secondly, described solid lubrication post 4 outer end
The total surface area in face is the 34-40% of spherical convex surface 21 surface area.The setting of passing ratio reach optimized friction factor and
Structural strength.Flat blind hole 22 aperture of the present embodiment is less than the aperture of common ball pivot blind hole, and the hole depth of flat blind hole 22 is less than
The degree of depth of common ball pivot blind hole combines the feature of 34-40%, can not only improve structural strength further, but also reduce and rub
Wiping factor.
Ball pivot outer ring 1 includes two pieces of symmetrically arranged halfbodies 12, docked mutually after the two ends docking of two pieces of halfbodies 12
Two pieces of described halfbodies 12 are linked together by end respectively by least integral type screw pin 5.Integral type screw pin is 304
Stainless steel screw pin.
The both ends of the surface of any one piece of halfbody 12 are respectively equipped with at least one tapped blind hole 13, in the hole of tapped blind hole 13
Mouth is provided with the first pin-and-hole 14 that axial line overlaps with tapped blind hole 13 axial line, in the both ends of the surface of other one piece of halfbody 12 respectively
Being provided with and described the first pin-and-hole 14 second pin-and-hole 15 one to one, the thread segment of described integral type screw pin 5 inserts in screw thread
Threadeding in blind hole 13 and with tapped blind hole 13, the pin section of described integral type screw pin 5 inserts in the first described pin-and-hole 14
With in the second pin-and-hole 15.
Respectively will by two integral type screw pins 5 side by side in the one end docked mutually after the two ends docking of two pieces of halfbodies 12
Two pieces of described halfbodies 12 link together.
The loading end pressure of this ball pivot is more than 400Mpa, and work surface friction factor value is less than 0.3, in temperature less than 325 DEG C
And gamma ray resistant irradiation 5.26 × 105In the case of Gy, the performance of ball pivot outer ring 1, ball pivot inner ring 2 and solid lubrication post 4 is without significantly
Change.
The performance of ball pivot outer ring 1, ball pivot inner ring 2 and solid lubrication post 4 see table.
The resistance to irradiation test data synopsis of solid lubrication post 4 see table:
In the present embodiment, flat blind hole 22 axial line inwardly converges to the structure on the center of circle of spherical convex surface 21, works as ball
When hinge inner ring 2 rotates relative to ball pivot outer ring 1, it is possible to significantly reduce friction factor and wear extent.
Secondly, tapped blind hole the 13, first pin-and-hole 14 and the knot of the second pin-and-hole 15 are combined by being provided with integral type screw pin 5
Structure, it is possible to improve attachment structure intensity further, it addition, the structure of integral type screw pin 5 avoids pin and bolt split group
The low phenomenon of packaging efficiency of dress product, i.e. further increase packaging efficiency, it addition, the axial symmetry of ball pivot outer ring 1 is more preferable.
The production technology of this steam generator support self-lubricating ball pivot comprises the steps:
A, processing ball pivot inner ring, ball pivot inner ring is processed to form by following steps:
A1, preparing copper alloy blank, copper alloy blank is ringwise；
A2, rough turn copper alloy blank internal-and external diameter, the internal diameter of the most rough turn copper alloy blank, the most rough turn copper closes
The external diameter of gold blank, prepares rough turn ball pivot inner ring, and in rough turn ball pivot, ring outer wall is rough turn spherical convex surface；
A3, inlaid solid lubrication post, bore some equally distributed flat blind on the spherical convex surface 21 of rough turn ball pivot inner ring
Hole 22 and described flat blind hole 22 axial line inwardly converge on the center of circle of spherical convex surface 21, divide in each flat blind hole 22
It is not inlaid with solid lubrication post 4 and described flat blind hole 22 and solid lubrication post 4 interference fit, prepares the combination of ball pivot inner ring
Part；
A4, rough turn inner ring external diameter, the external diameter of the most rough turn ball pivot inner ring molectron and the outer face of solid lubrication post 4
Flush with spherical convex surface 21, prepare ball pivot inner ring semi-finished product；
A5, finish turning inner ring internal-and external diameter, at least one times internal-and external diameter of finish turning ball pivot inner ring semi-finished product, prepare ball pivot inner ring finished product
And form spherical convex surface 21 at ball pivot inner ring finished product outer wall；
B, processing ball pivot outer ring, ball pivot outer ring is processed to form by following steps:
B1, preparing rustless steel blank, rustless steel blank is ringwise and rustless steel blank inwall forms spherical female base face；
B2, rough turn spherical female base face, the most rough turn spherical female base face, prepare rough turn ball pivot outer ring；
Rough turn ball pivot outer ring in b2 step, to cuing open, is divided into two pieces of symmetrically arranged halfbodies by b3, rough turn ball pivot outer ring
12, then the both ends of the surface of every piece of halfbody 12 carry out finish-milling processing simultaneously, are respectively equipped with in the both ends of the surface of any one piece of halfbody 12
At least one tapped blind hole 13, is provided with the first pin that axial line overlaps with tapped blind hole 13 axial line in the aperture of tapped blind hole 13
Hole 14, is respectively equipped with and the first described pin-and-hole 14 second pin-and-hole one to one in the both ends of the surface of other one piece of halfbody 12
15；This step can improve the circularity of ball pivot outer ring further.
B4, assembling, manufacture the integral type screw pin 5 equal with described tapped blind hole 13 quantity, integral type screw pin 5 spiral shell
Stricture of vagina section inserts in tapped blind hole 13 and threadeds with tapped blind hole 13, and the pin section of described integral type screw pin 5 inserts in described
The first pin-and-hole 14 and the second pin-and-hole 15 in, prepare assemble ball pivot outer ring；
B5, rough turn assembling ball pivot outer ring, the internal-and external diameter of the most rough turn assembling ball pivot outer ring, prepare and assemble ball pivot outer ring
Semi-finished product；
B6, finish turning assemble ball pivot outer ring semi-finished product, and finish turning assembles ball pivot outer ring semi-finished product external diameter and at least at least one times
Secondary finish turning assembles ball pivot outer ring semi-finished product internal diameter, prepares and assembles ball pivot outer ring finished product and assemble the inwall formation of ball pivot outer ring finished product
Spherical concave surface 11；
C, assembling: coating dry film lubrication oxidant layer on spherical convex surface 21 and/or spherical concave surface 11, then carry out welder,
After ball pivot inner ring finished product is put between two pieces of halfbodies 12, make described halfbody 12 dock formation group by integral type screw pin 5
Dress ball pivot outer ring finished product, i.e. prepare described steam generator support self-lubricating ball pivot.
By the technological design of the present embodiment, not only increase the anti-wear performance of ball pivot, but also significantly reduce friction
Factor, also improves bearing capacity simultaneously, practical and meet the development trend of current social technology, it is possible to be applied to core
Electro-technical field.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although the most more employing ball pivot outer ring 1, spherical concave surface 11, halfbody 12, tapped blind hole the 13, first pin-and-hole
14, the second pin-and-hole 15, ball pivot inner ring 2, spherical convex surface 21, flat blind hole 22, dry film lubrication oxidant layer 3, solid lubrication post 4, integrally
Formula screw pin 5 term such as grade, but it is not precluded from using the probability of other term.These terms are used to be only used to more easily
Describe and explain essence of the present utility model；Being construed as any additional restriction is all and this utility model spirit
Contrary.
Claims (7)
1. steam generator supports and uses a self-lubricating ball pivot, including ball pivot outer ring (1) and the ball that is arranged in ball pivot outer ring (1)
Hinge inner ring (2), the inwall of ball pivot outer ring (1) is spherical concave surface (11), and ball pivot inner ring (2) outer wall is spherical convex surface (21), spherical
Concave surface (11) is mutually matched with spherical convex surface (21), it is characterised in that described spherical concave surface (11) and/or spherical convex surface (21)
It is provided with dry film lubrication oxidant layer (3), the spherical convex surface (21) of described ball pivot inner ring (2) is provided with some equally distributed flat
Blind hole (22) and described flat blind hole (22) axial line inwardly converge on the center of circle of spherical convex surface (21), each flat blind
The outer face being inlaid with solid lubrication post (4) and solid lubrication post (4) in hole (22) respectively flushes with spherical convex surface (21).
Steam generator support self-lubricating ball pivot the most according to claim 1, it is characterised in that described ball pivot outer ring
(1) include two pieces of symmetrically arranged halfbodies (12), pass through respectively in the one end docked mutually after the two ends docking of two pieces of halfbodies (12)
Two pieces of described halfbodies (12) are linked together by least integral type screw pin (5).
Steam generator support self-lubricating ball pivot the most according to claim 2, it is characterised in that at any one piece of halfbody
(12) it is respectively equipped with at least one tapped blind hole (13) in both ends of the surface, is provided with axial line and spiral shell in the aperture of tapped blind hole (13)
The first pin-and-hole (14) that stricture of vagina blind hole (13) axial line overlaps, is respectively equipped with described in the both ends of the surface of other one piece of halfbody (12)
The first pin-and-hole (14) the second pin-and-hole (15) one to one, the thread segment of described integral type screw pin (5) inserts in tapped blind hole
(13) threadeding in and with tapped blind hole (13), the pin section of described integral type screw pin (5) inserts in the first described pin-and-hole
(14) in and the second pin-and-hole (15).
4. according to the steam generator support self-lubricating ball pivot described in Claims 2 or 3, it is characterised in that two pieces of halfbodies
(12) two integral type screw pins (5) side by side are passed through after two ends docking respectively in the one end docked mutually by described two and half
Body (12) links together.
Steam generator support self-lubricating ball pivot the most according to claim 1, it is characterised in that described solid lubrication post
(4) total surface area of outer face is the 34-40% of spherical convex surface (21) surface area.
Steam generator support self-lubricating ball pivot the most according to claim 1, it is characterised in that described flat blind hole
(22) deep equality.
Steam generator support self-lubricating ball pivot the most according to claim 1, it is characterised in that described spherical concave surface
(11) center of circle overlaps with spherical convex surface (21) center of circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546756.0U CN205780265U (en) | 2016-06-06 | 2016-06-06 | Steam generator supports and uses self-lubricating ball pivot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546756.0U CN205780265U (en) | 2016-06-06 | 2016-06-06 | Steam generator supports and uses self-lubricating ball pivot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205780265U true CN205780265U (en) | 2016-12-07 |
Family
ID=58135186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620546756.0U Active CN205780265U (en) | 2016-06-06 | 2016-06-06 | Steam generator supports and uses self-lubricating ball pivot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205780265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889311A (en) * | 2016-06-06 | 2016-08-24 | 浙江长盛滑动轴承股份有限公司 | Self-lubricating spherical hinge for supporting vapor generator and production process of self-lubricating spherical hinge |
-
2016
- 2016-06-06 CN CN201620546756.0U patent/CN205780265U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889311A (en) * | 2016-06-06 | 2016-08-24 | 浙江长盛滑动轴承股份有限公司 | Self-lubricating spherical hinge for supporting vapor generator and production process of self-lubricating spherical hinge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103958910B (en) | Vertical shaft windmill bearing and vertical shaft-type wind power generation device | |
| CN205780265U (en) | Steam generator supports and uses self-lubricating ball pivot | |
| CN103170561B (en) | Machining process of TP (topaz) bead ring for spinning | |
| CN105889311A (en) | Self-lubricating spherical hinge for supporting vapor generator and production process of self-lubricating spherical hinge | |
| CN204200836U (en) | A kind of high-mechanic self-lubricating metal spherical bearing | |
| Jin et al. | Wind turbine manufacturing industry in China: Current situation and problems | |
| Draiche et al. | A new refined hyperbolic shear deformation theory for laminated composite spherical shells | |
| CN207569063U (en) | A kind of ultra high efficiency is from cooling bearing | |
| CN205715258U (en) | A kind of precision bearing | |
| CN204591565U (en) | Sliding bearing and there is the tidal generating set of sliding bearing | |
| CN205226065U (en) | Half floating radial bearing for turbo -charger | |
| CN209687931U (en) | Quick mounting type self-lubricating bearing | |
| CN207261467U (en) | Band base spherical outside surface cylinder roller bearing | |
| CN203979145U (en) | A kind of bearing shell with black composite coating | |
| CN207621172U (en) | Water lubriucated bearing and compressor with water lubriucated bearing | |
| Chen et al. | How does energy security definition vary across nations? a review of major energy consumers | |
| Hou et al. | A Review and Comparative Analysis on Energy Transition in China’s Three Emerging Urban Agglomerations | |
| CN202768630U (en) | Rocker arm rod end joint bearing | |
| CN213511710U (en) | Novel structure axle bush | |
| CN207583838U (en) | 1000MW ultra supercritical Double reheat steam turbine low pressure radial journal bearings | |
| CN218000158U (en) | Double-side sealing low-noise high-load single-row radial ball bearing | |
| CN216875285U (en) | Rotatable bracelet | |
| CN214221801U (en) | Double-seal developing bearing | |
| CN204061548U (en) | A kind of outer ring separated type deep groove ball bearing | |
| CN206267888U (en) | A kind of low pressure (LP) cylinder of 200MW three-exhausters steam turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314100 No.6, Xinda Road, Huimin street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG CHANGSHENG SLIDING BEARINGS Co.,Ltd. Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: 314100 No.6, Xinda Road, Huimin street, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG CHANGSHENG SLIDING BEARINGS Co.,Ltd. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address after: 314100 No.6, Xinda Road, Huimin street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG CHANGSHENG SLIDING BEARINGS Co.,Ltd. Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: 314100 No.6, Xinda Road, Huimin street, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG CHANGSHENG SLIDING BEARINGS Co.,Ltd. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |