CN205089804U - Turbine guide bearing - Google Patents
Turbine guide bearing Download PDFInfo
- Publication number
- CN205089804U CN205089804U CN201520700269.0U CN201520700269U CN205089804U CN 205089804 U CN205089804 U CN 205089804U CN 201520700269 U CN201520700269 U CN 201520700269U CN 205089804 U CN205089804 U CN 205089804U
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- Prior art keywords
- guide shoe
- main shaft
- water guide
- adjustment
- block
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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 belongs to the technical field of hydraulic turbine part, especially, relate to a turbine guide bearing. This turbine guide bearing includes bearing frame and main shaft, the main shaft overcoat have water guide shoe and water guide shoe to rotate with the main shaft to be connected, water guide shoe and bearing frame between be equipped with water guide shoe adjusting device, water guide shoe and main shaft between be equipped with and keep off oily mechanism, its characterized in that, fender oil mechanism including set up the main shaft department that has the axle neck and be arranged in the main shaft lead with the axle between the round tubular body of annular space of formation, axle neck outer cup jointed the water guide shoe and the water guide shoe is connected with the main shaft rotation, thereby the body on be equipped with and can form the pressure that the malleation prevented that lubricating oil ran off form the structure when the main shaft rotates. The advantage lies in: do benefit to between adjustment axle bush and the axle clearance and keep off oily effectually.
Description
Technical field
The utility model belongs to Component of Hydraulic Turbines technical field, especially relates to a kind of water pilot bearing.
Background technique
Water guide shoe can bear the radial force of hydraulic turbine main shaft, is the bearing that main shaft can be made to keep central position.Be widely used in turbine-generator units, large pump, cement grinding mill, ball grinder bush, the fields such as ship machinery.And water guide shoe needs the central position determining hydraulic turbine main shaft and generator amature when mounted, then the physical location of pressing axle adjusts the gap of bearing.And in prior art not a kind of when mounted can gap width directly between auxiliary adjustment bearing shell and axle to reach the device of optimal design value, in addition, when needing after bearing wear to take off bearing, again adjust the gap width between bearing shell and axle, inconvenient maintenance in the future; Water guide shoe bearing oil blocking barrel of the prior art can stop and not allow the oil of fluctuation oil cross oil blocking barrel and spill during the raw fluctuation of fry dried food ingredients in oil groove, but it is good not enough to keep off oily effect, oil still easily spills, in addition, lubricant oil is even not in bearing surface distribution, is unfavorable for lubrication.
In order to improve prior art, people have carried out long-term exploration, propose various solution.Such as, Chinese patent literature discloses a kind of combination bearing gap adjusting structure [application number: CN201120168857.6], by axial adjustment nut, spacer adjusting nut, first thrust ball bearing, first spacer, second thrust ball bearing, shaft coupling spacer, second spacer, Biserial cylindrical roller bearing, blind flange and nut composition, axial adjustment nut, shaft coupling spacer, Biserial cylindrical roller bearing and nut are arranged on axle from left to right successively, spacer adjusting nut, first thrust ball bearing, first spacer, second thrust ball bearing, second spacer and blind flange are arranged on shaft coupling spacer from left to right successively.
Although such scheme to some extent solves the deficiencies in the prior art, but this combination bearing gap adjusting structure is comparatively complicated, it is convenient not to use, keep off oily effect good not enough, oil still easily spills, and in addition, lubricant oil is even not in bearing surface distribution, be unfavorable for lubrication, global design is reasonable not enough.
Model utility content
The purpose of this utility model is for the problems referred to above, provides a kind of reasonable in design, and structure is simple, be beneficial to gap between adjustment bearing shell and axle and the effective water pilot bearing of gear oil.
For achieving the above object, the utility model have employed following technical proposal: this water pilot bearing, comprise bearing support and main shaft, described spindle jacket has water guide shoe and water guide shoe is connected with main axis, water guide shoe regulating device is provided with between described water guide shoe and bearing support, gear oil machine structure is provided with between described water guide shoe and main shaft, it is characterized in that, described gear oil machine structure comprise be arranged on have axle neck main shaft place and main shaft and axle neck between formed annular space in cylindrical body, described axle is socketed with water guide shoe outside leading and water guide shoe is connected with main axis, described body is provided with and can forms malleation when the shaft rotates thus the pressure initiation structure preventing lubricant oil to run off.Described pressure initiation structure forms malleation to main shaft, namely as the spindle turns, because body is provided with spiral groove, main shaft and spiral groove relatively rotate, thus making the gap mineralization pressure between main shaft and body prevent lubricant oil from spilling, gear oil is effective, and global design is reasonable, structure is simple, easy to use.
In above-mentioned water pilot bearing, described water guide shoe regulating device comprises adjustment block and adjustment key, described adjustment block one end is connected with water guide shoe by drive mechanism, described drive mechanism two ends are connected with adjustment block and water guide shoe axially locating respectively, the other end of described adjustment block is in axial sliding connection with the side of adjustment key, opposite side and the bearing support of described adjustment key are in axial sliding connection, and are provided with the axial position thus the adjustable positioning mechanism adjusting gap between water guide shoe and main shaft that can adjust described adjustment key between described adjustment key and adjustment block.Adjustment key is arranged between bearing support and adjustment block, the axial position of adjustment key is regulated by adjustable positioning mechanism, when adjusting key and moving axially, adjustment block moves radially, thus adjustment water guide shoe and main shaft between gap to reach optimal design value, when not needing to take off water guide shoe after the wearing and tearing of water guide shoe, a needs adjusts the gap width between water guide shoe and main shaft again by this water guide shoe regulating device, convenient maintenance in the future.
In above-mentioned water pilot bearing, described pressure initiation vibrational power flow is outside body, and pressure initiation structure and axle are led between inwall and are had gap, described pressure initiation structure comprises the some spiral grooves be parallel to each other be arranged on outside body, be fixed with some arranged in parallel and spiral raised lines outside described body, before two raised lines be disposed adjacent, form the spiral groove described in.Lubricant oil can be contained in spiral groove in main axis process, thus minimizing lubricant oil spills, and gear oil is effective; In addition, be also beneficial to lubricant oil and be uniformly distributed on main shaft surface, be beneficial to lubrication.
In above-mentioned water pilot bearing, described adjustable positioning mechanism comprises the adjustment screw rod be fixed in adjustment block, described adjustment screw rod is flexibly connected with adjustment key and adjusts bond energy and moves in the axial direction, and described adjustment screw rod is provided with the locking structure that can lock adjustment key after adjusting to the right place.Adjustment key moves along adjustment screw axial, and adjustment screw rod plays double action that is fixing and guiding.
In above-mentioned water pilot bearing, described adjustment key comprises inclined plane part and is positioned at the joint of inclined plane part one end, described inclined plane part and joint are linked as L-type, described joint has the through hole be placed on adjustment screw rod, described adjustment block has the first inclined-plane towards one end of adjustment key, described adjustment key has the second inclined-plane towards the side of adjustment block, and the first described inclined-plane and the second inclined-plane coincide mutually.Gap when the first inclined-plane and the second inclined-plane generation relative sliding between water guide shoe and main shaft changes.
In above-mentioned water pilot bearing, described locking structure comprise be threaded in adjustment screw rod at least one first nut and at least one second nut, the first described nut and the second nut lay respectively at the both sides of joint.First nut and the second nut be used for secured adjusted good after adjustment key.
In above-mentioned water pilot bearing, described drive mechanism comprises drive block, described adjustment block has the first axially locating groove towards one end of drive mechanism, described water guide shoe outer wall has the second axially locating groove, and the two ends of described drive block insert in the first axially locating groove and the second axially locating groove respectively.Be connected by drive block between adjustment block and water guide shoe, prevent adjustment block or water guide shoe from occurring locked moving radially process.
In above-mentioned water pilot bearing, the bottom land of the first described axially locating groove is the first spherical, the end face that described drive block inserts in first axially locating groove one end is the second spherical, the first described spherical and the second spherical coincide and mutually by the position relationship that adjusts between adjustment block and drive block of mutually sliding, described drive block has the oiling passage in L-type, one end of described oiling passage extends to one end end face that drive block is positioned at the second axially locating groove, and the other end extends to drive block side.It is locked that first spherical and the second spherical avoid adjustment block and drive block to occur in moving process; By oiling passage to oiling in water guide shoe, be beneficial to lubrication.
In above-mentioned water pilot bearing, described raised line is fixed on body by position structure, described position structure comprises some positioning screwns along raised line genesis analysis, described positioning screwn is sunk screw, or described raised line and body are connected as a single entity structure, described body is made up of steel, and described raised line is made up of aluminium.
In above-mentioned water pilot bearing, leave spacing between described body upper end and annular space upper end, it is outer and form annular disk in body underpart that described body lower end extends to annular space.
In above-mentioned water pilot bearing, the inner side surface of described water guide shoe is provided with wearing layer, and described wearing layer is made up of Babbitt.Wearing layer improves the working life of water guide shoe.
Compared with prior art, the advantage of this water pilot bearing is:
First, adjustment key is arranged between bearing support and adjustment block, is regulated the axial position of adjustment key by adjustable positioning mechanism, when adjusting key and moving axially, adjustment block moves radially, thus gap, to reach optimal design value, when not needing after bearing wear to take off bearing, only needs the gap width again adjusted between bearing shell and axle between adjustment water guide shoe and main shaft, convenient maintenance in the future, global design is reasonable, and structure is simple, easy to use.
Second, pressure initiation structure forms malleation to main shaft, lubricant oil can be contained in spiral groove in main axis process, namely as the spindle turns, because body is provided with spiral groove, main shaft and spiral groove relatively rotate, thus make the gap mineralization pressure between main shaft and body prevent lubricant oil from spilling, gear oil is effective, and is beneficial to lubricant oil and is uniformly distributed on main shaft surface, is beneficial to lubrication.
3rd, adjustment key moves along adjustment screw axial, adjustment screw rod plays double action that is fixing and guiding, and gap when the first inclined-plane and the second inclined-plane generation relative sliding between bearing shell and axle changes, the first nut and the second nut be used for secured adjusted good after adjustment key.
4th, be connected by drive block between adjustment block and water guide shoe, the bottom land of the first axially locating groove is the first spherical, and the end face that drive block inserts in first axially locating groove one end is the second spherical, avoid adjustment block and drive block move radially in process occur locked.
5th, by oiling passage to oiling in water guide shoe, be beneficial to lubrication, wearing layer improves water guide shoe working life.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the A place enlarged view of Fig. 1 that the utility model provides.
In figure, bearing support 1, main shaft 2, water guide shoe 3, adjustment block 4, adjustment key 5, adjustable positioning mechanism 6, axle neck 7, annular space 8, body 9, pressure initiation structure 11, adjustment screw rod 12, locking structure 13, spiral groove 14, raised line 15, inclined plane part 16, joint 17, through hole 18, first inclined-plane 19, second inclined-plane 20, first nut 21, second nut 22, drive block 23, first axially locating groove 24, second axially locating groove 25, first spherical 26, second spherical 27, oiling passage 28, wearing layer 29, positioning screwn 30, spacing 31, annular disk 32.
Embodiment
Embodiment
As shown in Figure 1-2, this water pilot bearing comprises bearing support 1 and main shaft 2, main shaft 2 overcoat has water guide shoe 3 and water guide shoe 3 and main shaft 2 are rotationally connected, water guide shoe regulating device is provided with between water guide shoe 3 and bearing support 1, gear oil machine structure is provided with between water guide shoe 3 and main shaft 2, it is characterized in that, gear oil machine structure comprises main shaft 2 place being arranged on and having axle neck 7 and cylindrical body 9 in the annular space 8 formed between main shaft 2 and axle neck 7, axle is socketed with water guide shoe 3 outside leading 7 and water guide shoe 3 and main shaft 2 are rotationally connected, body 9 is provided with and can forms malleation thus the pressure initiation structure 11 preventing lubricant oil to run off when main shaft 2 rotates.Pressure initiation structure 11 pairs of main shafts 2 form malleation, namely when main shaft 2 rotates, because body 9 is provided with spiral groove 14, main shaft 2 and spiral groove 14 relatively rotate, thus making the gap mineralization pressure between axle 2 and body 9 prevent lubricant oil from spilling, gear oil is effective, and global design is reasonable, structure is simple, easy to use.
Wherein, water guide shoe regulating device comprises adjustment block 4 and adjustment key 5, adjustment block 4 one end is connected with water guide shoe 3 by drive mechanism, drive mechanism two ends are connected with adjustment block 4 and water guide shoe 3 axially locating respectively, the other end of adjustment block 4 is in axial sliding connection with the side of adjustment key 5, opposite side and the bearing support 1 of adjustment key 5 are in axial sliding connection, the axial position thus the adjustable positioning mechanism 6 adjusting gap between water guide shoe 3 and main shaft 2 that can adjust described adjustment key 5 is provided with between adjustment key 5 and adjustment block 4, adjustment key 5 is arranged between bearing support 1 and adjustment block 4, the axial position of adjustment key 5 is regulated by adjustable positioning mechanism 6, when adjusting key 5 and moving axially, adjustment block 4 moves radially, thus between adjustment water guide shoe 3 and main shaft 2 gap to reach optimal design value, do not need to take off water guide shoe 3 after water guide shoe 3 weares and teares, only need again to adjust gap width between water guide shoe 3 and main shaft 2 by this water guide shoe regulating device, convenient maintenance in the future.
Wherein, adjustable positioning mechanism 6 comprises the adjustment screw rod 12 be fixed in adjustment block 4, and adjustment screw rod 12 is flexibly connected and adjusts key 5 can move in the axial direction with adjustment key 5, and adjustment screw rod 12 is provided with the locking structure 13 that can lock adjustment key 5 after adjusting to the right place.Adjustment key 5 moves axially along adjustment screw rod 12, and adjustment screw rod 12 plays double action that is fixing and guiding.More particularly, adjustment key 5 comprises inclined plane part 16 and is positioned at the joint 17 of inclined plane part 16 one end, inclined plane part 16 and joint 17 are linked as L-type, joint 17 has the through hole 18 be placed on adjustment screw rod 12, adjustment block 4 has the first inclined-plane 19 towards one end of adjustment key 5, adjustment key 5 has the second inclined-plane, inclined-plane 20, first 19 towards the side of adjustment block 4 and the second inclined-plane 20 coincide mutually.Gap when relative sliding occurs for first inclined-plane 19 and the second inclined-plane 20 between water guide shoe 3 and main shaft 2 changes.More particularly, locking structure 13 comprises and is threaded in the both sides that at least one first nut 21 on adjustment screw rod 12 and at least one second nut 22, first nut 21 and the second nut 22 lay respectively at joint 17.First nut 21 and the second nut 22 good for secured adjusted after adjustment key 5.More particularly, drive mechanism comprises drive block 23, adjustment block 4 has the first axially locating groove 24 towards one end of drive mechanism, and water guide shoe 3 outer wall has the second axially locating groove 25, and the two ends of drive block 23 insert in the first axially locating groove 24 and the second axially locating groove 25 respectively.Be connected by drive block 23 between adjustment block 4 and water guide shoe 3, prevent adjustment block 4 or water guide shoe 3 from occurring locked moving radially process.Improve as one, the bottom land of the first axially locating groove 24 is the first spherical 26, the end face that drive block 23 inserts in first axially locating groove 24 one end is the second spherical 27, first spherical 26 and the second spherical 27 coincide and mutually by the position relationship adjusted between adjustment block 4 and drive block 23 that mutually slides, drive block 23 has the oiling passage 28 in L-type, one end of oiling passage 28 extends to one end end face that drive block 23 is positioned at the second axially locating groove 25, and the other end extends to drive block 23 side.First spherical 26 and the second spherical 27 avoid adjustment block 4 and drive block 23 to occur locked in moving process; By oiling passage 28 to oiling in water guide shoe 3, be beneficial to lubrication.Improve as one, the inner side surface of water guide shoe 3 is provided with wearing layer 29, and wearing layer 29 is made up of Babbitt.Wearing layer 29 improves the working life of water guide shoe 3.
Wherein, pressure initiation structure 11 is arranged on outside body 9, and pressure initiation structure 11 and axle are led between 7 inwalls and are had gap, pressure initiation structure 11 comprises the some spiral grooves 14 be parallel to each other be arranged on outside body 9, be fixed with some arranged in parallel and spiral raised lines 15 outside body 9, before two raised lines 15 be disposed adjacent, form a spiral groove 14.Lubricant oil can be contained in spiral groove 14 in main shaft 2 rotation process, thus minimizing lubricant oil spills, and gear oil is effective; In addition, be also beneficial to lubricant oil in the distribution of main shaft 2 surface uniform, be beneficial to lubrication.Raised line 15 is fixed on body 9 by position structure, position structure comprises some positioning screwns 30 along raised line 15 genesis analysis, and positioning screwn 30 is sunk screw, or raised line 15 is connected as a single entity structure with body 9, body 9 is made up of steel, and raised line 15 is made up of aluminium.Leave spacing 31 between body 9 upper end and annular space 8 upper end, it is outer and form annular disk 32 in body 9 underpart that body 9 lower end extends to annular space 8.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ bearing support 1 herein, main shaft 2, water guide shoe 3, adjustment block 4, adjustment key 5, adjustable positioning mechanism 6, axle neck 7, annular space 8, body 9, pressure initiation structure 11, adjustment screw rod 12, locking structure 13, spiral groove 14, raised line 15, inclined plane part 16, joint 17, through hole 18, first inclined-plane 19, second inclined-plane 20, first nut 21, second nut 22, drive block 23, first axially locating groove 24, second axially locating groove 25, first spherical 26, second spherical 27, oiling passage 28, wearing layer 29, positioning screwn 30, spacing 31, term such as annular disk 32 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (10)
1. a water pilot bearing, comprise bearing support (1) and main shaft (2), described main shaft (2) overcoat has water guide shoe (3) and water guide shoe (3) and main shaft (2) are rotationally connected, water guide shoe regulating device is provided with between described water guide shoe (3) and bearing support (1), gear oil machine structure is provided with between described water guide shoe (3) and main shaft (2), it is characterized in that, described gear oil machine structure comprises main shaft (2) place that is arranged on and has axle neck (7) and is arranged in the cylindrical body (9) of annular space (8) of formation between main shaft (2) and axle neck (7), bearing (10) is socketed with and bearing (10) and main shaft (2) are rotationally connected outside described axle neck (7), described body (9) is provided with and can forms malleation thus the pressure initiation structure (11) preventing lubricant oil to run off when main shaft (2) rotates.
2. water pilot bearing according to claim 1, it is characterized in that, described water guide shoe regulating device comprises adjustment block (4) and adjustment key (5), described adjustment block (4) one end is connected with water guide shoe (3) by drive mechanism, described drive mechanism two ends are connected with adjustment block (4) and water guide shoe (3) axially locating respectively, the other end of described adjustment block (4) is in axial sliding connection with the side of adjustment key (5), opposite side and the bearing support (1) of described adjustment key (5) are in axial sliding connection, the axial position thus the adjustable positioning mechanism (6) adjusting gap between water guide shoe (3) and main shaft (2) that can adjust described adjustment key (5) is provided with between described adjustment key (5) and adjustment block (4).
3. water pilot bearing according to claim 1, it is characterized in that, described pressure initiation structure (11) is arranged on body (9) outside, and pressure initiation structure (11) and axle are led between (7) inwall and are had gap, described pressure initiation structure (11) comprises the some spiral grooves (14) be parallel to each other being arranged on body (9) outside, described body (9) outside is fixed with some arranged in parallel and spiral raised lines (15), the spiral groove (14) described in one is formed before two raised lines (15) be disposed adjacent.
4. water pilot bearing according to claim 2, it is characterized in that, described adjustable positioning mechanism (6) comprises the adjustment screw rod (12) be fixed in adjustment block (4), described adjustment screw rod (12) is flexibly connected and adjusts key (5) can move in the axial direction with adjustment key (5), and described adjustment screw rod (12) is provided with the locking structure (13) that can lock adjustment key (5) after adjusting to the right place.
5. water pilot bearing according to claim 4, it is characterized in that, described adjustment key (5) comprises inclined plane part (16) and is positioned at the joint (17) of inclined plane part (16) one end, described inclined plane part (16) and joint (17) are linked as L-type, described joint (17) has the through hole (18) be placed in adjustment screw rod (12), described adjustment block (4) has the first inclined-plane (19) towards one end of adjustment key (5), described adjustment key (5) has the second inclined-plane (20) towards the side of adjustment block (4), described the first inclined-plane (19) and the second inclined-plane (20) coincide mutually.
6. water pilot bearing according to claim 4, it is characterized in that, described locking structure (13) comprises and is threaded at least one first nut (21) in adjustment screw rod (12) and at least one the second nut (22), and described the first nut (21) and the second nut (22) lay respectively at the both sides of joint (17).
7. the water pilot bearing according to claim 2 or 4 or 5 or 6, it is characterized in that, described drive mechanism comprises drive block (23), described adjustment block (4) has the first axially locating groove (24) towards one end of drive mechanism, described water guide shoe (3) outer wall has the second axially locating groove (25), and the two ends of described drive block (23) insert in the first axially locating groove (24) and the second axially locating groove (25) respectively.
8. water pilot bearing according to claim 7, it is characterized in that, the bottom land of the first described axially locating groove (24) is the first spherical (26), the end face that described drive block (23) inserts in first axially locating groove (24) one end is the second spherical (27), described the first spherical (26) and the second spherical (27) coincide and mutually by the position relationship adjusted between adjustment block (4) and drive block (23) that mutually slides, described drive block (23) has the oiling passage (28) in L-type, one end of described oiling passage (28) extends to one end end face that drive block (23) is positioned at the second axially locating groove (25), the other end extends to drive block (23) side.
9. water pilot bearing according to claim 3, it is characterized in that, described raised line (15) is fixed on body (9) by position structure, described position structure comprises some positioning screwns (30) along raised line (15) genesis analysis, described positioning screwn (30) is sunk screw, or described raised line (15) and body (9) are connected as a single entity structure, described body (9) is made up of steel, and described raised line (15) is made up of aluminium.
10. the water pilot bearing according to claim 1 or 3 or 9, it is characterized in that, leave spacing (31) between described body (9) upper end and annular space (8) upper end, described body (9) lower end extend to annular space (8) outward and body (9) underpart formed annular disk (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520700269.0U CN205089804U (en) | 2015-09-10 | 2015-09-10 | Turbine guide bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520700269.0U CN205089804U (en) | 2015-09-10 | 2015-09-10 | Turbine guide bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205089804U true CN205089804U (en) | 2016-03-16 |
Family
ID=55480494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520700269.0U Expired - Fee Related CN205089804U (en) | 2015-09-10 | 2015-09-10 | Turbine guide bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205089804U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065448A (en) * | 2015-09-10 | 2015-11-18 | 浙江正盛轴瓦有限责任公司 | Turbine guide bearing |
| CN113339313A (en) * | 2021-07-08 | 2021-09-03 | 哈尔滨电气动力装备有限公司 | Centrifugal adjusting method for odd asymmetric radial tile gaps of shaft seal type nuclear main pump |
-
2015
- 2015-09-10 CN CN201520700269.0U patent/CN205089804U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065448A (en) * | 2015-09-10 | 2015-11-18 | 浙江正盛轴瓦有限责任公司 | Turbine guide bearing |
| CN113339313A (en) * | 2021-07-08 | 2021-09-03 | 哈尔滨电气动力装备有限公司 | Centrifugal adjusting method for odd asymmetric radial tile gaps of shaft seal type nuclear main pump |
| CN113339313B (en) * | 2021-07-08 | 2022-07-22 | 哈尔滨电气动力装备有限公司 | Centrifugal adjusting method for odd asymmetric radial tile gaps of shaft seal type nuclear main pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20180910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |