CN111946529A - Variable speed protection hydroelectric power generation equipment - Google Patents
Variable speed protection hydroelectric power generation equipment Download PDFInfo
- Publication number
- CN111946529A CN111946529A CN202010882069.7A CN202010882069A CN111946529A CN 111946529 A CN111946529 A CN 111946529A CN 202010882069 A CN202010882069 A CN 202010882069A CN 111946529 A CN111946529 A CN 111946529A
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- shaft
- axle
- hydroelectric
- variable speed
- plate
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Links
- 238000010248 power generation Methods 0.000 title claims description 16
- 238000003466 welding Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 9
- 230000002349 favourable effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/128—Mounting, demounting
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses variable-speed protection hydroelectric generation equipment which comprises a hydroelectric generation fan and a buffer pad, wherein a connecting shaft is installed in the center of the hydroelectric generation fan, a connecting gear is connected to the right side of the connecting shaft in a fitting manner, a fixed shaft is connected to the center of the left side of the connecting shaft in a welding manner, a notch, a connecting groove and a limiting hole are respectively formed in the outer surface of the fixed shaft, the notch, the connecting groove and the limiting hole are communicated with each other, a lantern ring is sleeved on the outer side of the fixed shaft, and the buffer pad is bonded on the right surface. This variable speed protection hydroelectric equipment, because of spliced pole and connecting hole threaded connection, the staff accessible is to the rotation of connecting gear for connecting gear fixed mounting is on the connecting axle, is connected through the block of locating lever and constant head tank simultaneously, can fix the position of spliced pole in the connecting hole, avoids follow-up work because of the rotation to take place not hard up phenomenon, has improved whole moving stability.
Description
Technical Field
The invention relates to the technical field of hydroelectric power generation, in particular to variable-speed protection hydroelectric power generation equipment.
Background
The hydraulic power generation mainly adopts a mode of generating power by utilizing water energy, when water flow passes through a water turbine, the water turbine rotates in the pushing process of the water flow, so that the water turbine drives a generator to generate power, mechanical energy is converted into electric energy, and hydraulic power generation equipment needs to be protected in the using process, but the traditional variable-speed protection hydraulic power generation equipment still has the following problems;
1. generally, in the process of assembling the whole device, the work of clamping and fixing is directly carried out through a fastener, so that the subsequent work of disassembling is not convenient and fast, and meanwhile, in the process of working and running the device for a long time, the phenomenon of loosening and dislocation is easy to occur, so that the device shakes, and the phenomenon of abrasion can occur;
2. at the in-process of carrying out the equipment, be difficult to carry out accurate positioning work when the staff operates to lead to probably taking place the slope in the installation, can not be quick carry out the operation of split or equipment to the device.
We have therefore proposed a variable speed protective hydroelectric power generating apparatus in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide variable-speed protection hydroelectric generation equipment, which solves the problems that the conventional variable-speed protection hydroelectric generation equipment in the market is not convenient and fast in subsequent splitting due to the fact that clamping and fixing work is directly carried out through a fastening piece in the process of integrally assembling the device, and meanwhile, the device is easy to loosen and dislocate in the process of long-term working and running of the device, so that the device shakes and is abraded.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a variable speed protection hydroelectric equipment, includes hydroelectric fan and blotter, the connecting axle is installed at hydroelectric fan's center, and the laminating of connecting axle right side is connected with connecting gear, the left side center welded connection of connecting axle has the fixed axle, and the surface of fixed axle has seted up notch, spread groove and spacing hole respectively to communicate each other between notch, spread groove and the spacing hole, the lantern ring is installed in the outside cup joint of fixed axle, and the right surface bonding of the lantern ring has the blotter to the blotter is connected with hydroelectric fan's left surface laminating.
Preferably, the connecting axle includes locating piece, slipmat, fixed plectane, connecting hole, locating lever, connecting spring, connecting plate and sleeve, and the left end bottom surface welded fastening of connecting axle installs the locating piece, the outer fixed surface of connecting axle installs fixed plectane, and the left surface of fixed plectane bonds and has the slipmat, the right-hand member center of connecting axle is provided with the connecting hole, and the right-hand member internally mounted of connecting axle has the locating lever to the right-hand member and the connecting hole interconnect of locating lever, the left surface welded connection of locating lever has connecting spring, and connecting spring is located the inside of connecting axle, the left end outer fixed surface of locating lever installs the connecting plate, and the connecting plate passes connecting axle and telescopic inner wall fixed connection to the sleeve cup joints in the outside.
Preferably, the connecting shaft and the positioning block are connected with the hydroelectric fan in a clamping mode respectively, and the diameter of the connecting shaft is smaller than that of the non-slip mat and the fixed circular plate.
Preferably, the positioning rod and the connecting shaft form a telescopic structure through a connecting spring, the positioning rod, the connecting plate and the sleeve are of an integrated structure, and the sleeve and the connecting shaft form a sliding structure.
Preferably, the connecting gear includes spliced pole and constant head tank, and the left surface center welded fastening who connects the gear installs the spliced pole, spliced pole and connecting hole threaded connection, and the left end center of spliced pole is provided with the constant head tank, the constant head tank is connected for the block with the right-hand member connected mode of locating lever, and the left side of constant head tank is regarded as the square.
Preferably, notches, connecting grooves and limiting holes are symmetrically distributed on the fixed shaft respectively, and the left view section of each connecting groove is arc-shaped.
Preferably, the lantern ring is including accomodating groove, screw, locating plate, bolt and spacing axle, and lantern ring left surface has seted up and has accomodate the groove, the inside of the lantern ring is provided with the screw, and the screw with accomodate the groove and link up each other, the internally mounted who accomodates the groove has the locating plate, and is provided with the bolt on the locating plate to the bolt passes locating plate and screw threaded connection, the outer surface welding of locating plate installs spacing axle, and spacing axle passes the inner wall and the spacing hole interconnect of the lantern ring.
Preferably, the locating plate forms a telescopic structure with the lantern ring through the spring and the accommodating groove, the width of the locating plate is larger than the diameter of the limiting shaft, and the limiting shaft and the lantern ring form a sliding structure.
Preferably, the connection mode of the limiting shaft and the limiting hole is clamping connection, and the connection mode of the limiting shaft and the connection groove and the notch is sliding connection respectively.
Compared with the prior art, the invention has the beneficial effects that: the variable speed protects the hydroelectric equipment;
1. because the connecting column is in threaded connection with the connecting hole, a worker can fixedly install the connecting gear on the connecting shaft by rotating the connecting gear, and meanwhile, the position of the connecting column in the connecting hole can be fixed by clamping and connecting the positioning rod with the positioning groove, so that the phenomenon of looseness caused by subsequent rotation work is avoided, and the stability of integral operation is improved;
2. cup joint on the fixed axle through the lantern ring, can carry out fixing work to the position of hydroelectric fan, the spacing axle of lantern ring accessible is connected with the block in spacing hole simultaneously, can fix the lantern ring in the position of fixed axle, prevents the phenomenon that follow-up emergence was shifted, avoids hydroelectric fan to take place to rock, has improved the protecting effect to hydroelectric fan, is favorable to the staff to carry out accurate fixed mounting work simultaneously.
Drawings
FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of a front sectional view of the connecting shaft and the sleeve according to the present invention;
FIG. 3 is a schematic view of the left side cross-section connecting structure of the stationary shaft and the collar of the present invention;
FIG. 4 is a left side view of the connecting gear of the present invention;
FIG. 5 is a left side view of the connecting shaft and the fixing shaft of the present invention;
FIG. 6 is a side view of the positioning rod of the present invention;
FIG. 7 is a schematic side view of a hydroelectric fan according to the present invention;
FIG. 8 is a schematic view of a top cross-sectional view of a stationary shaft and a collar of the present invention.
In the figure: 1. a hydroelectric fan; 2. a connecting shaft; 21. positioning blocks; 22. a non-slip mat; 23. fixing the circular plate; 24. connecting holes; 25. positioning a rod; 26. a connecting spring; 27. a connecting plate; 28. a sleeve; 3. a connecting gear; 31. connecting columns; 32. positioning a groove; 4. a fixed shaft; 5. a notch; 6. connecting grooves; 7. a limiting hole; 8. a collar; 81. a receiving groove; 82. a screw hole; 83. positioning a plate; 84. a bolt; 85. a limiting shaft; 9. a cushion pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a variable speed protection hydroelectric generation equipment, including hydroelectric fan 1 and cushion 9, connecting axle 2 is installed at hydroelectric fan 1's center, and 2 right side laminating of connecting axle are connected with connecting gear 3, the left side center welded connection of connecting axle 2 has fixed axle 4, and notch 5 has been seted up respectively to the surface of fixed axle 4, spread groove 6 and spacing hole 7, and notch 5, mutual intercommunication between spread groove 6 and the spacing hole 7, the lantern ring 8 is installed in the outside cup joint of fixed axle 4, and the right surface bonding of the lantern ring 8 has cushion 9, and cushion 9 is connected with the left surface laminating of hydroelectric fan 1.
The connecting shaft 2 comprises a positioning block 21, a non-slip mat 22, a fixed circular plate 23, a connecting hole 24, a positioning rod 25, a connecting spring 26, a connecting plate 27 and a sleeve 28, a positioning block 21 is fixedly welded on the bottom surface of the left end of the connecting shaft 2, a fixed circular plate 23 is fixedly arranged on the outer surface of the connecting shaft 2, the left surface of the fixed circular plate 23 is bonded with a non-slip mat 22, the center of the right end of the connecting shaft 2 is provided with a connecting hole 24, the right end of the connecting shaft 2 is internally provided with a positioning rod 25, the right end of the positioning rod 25 is connected with the connecting hole 24, the left surface of the positioning rod 25 is welded and connected with a connecting spring 26, and the connecting spring 26 is positioned inside the connecting shaft 2, the outer surface of the left end of the positioning rod 25 is fixedly provided with a connecting plate 27, the connecting plate 27 passes through the connecting shaft 2 and is fixedly connected with the inner wall of the sleeve 28, and the sleeve 28 is sleeved outside the connecting plate 27, so that the subsequent assembly work of the connecting shaft 2 and the hydroelectric fan 1 and the connecting gear 3 is facilitated.
The positioning rod 25 and the connecting shaft 2 form a telescopic structure through the connecting spring 26, the positioning rod 25, the connecting plate 27 and the sleeve 28 are of an integrated structure, and the sleeve 28 and the connecting shaft 2 form a sliding structure, so that the sleeve 28 can be pulled manually by a worker, the sleeve 28 drives the positioning rod 25 to contract through the connecting plate 27, and the positioning releasing operation is convenient to perform.
The fixed shaft 4 is symmetrically provided with a notch 5, a connecting groove 6 and a limiting hole 7, and the left view section of the connecting groove 6 is arc-shaped, so that the stability of subsequent assembly is improved.
The lantern ring 8 is including accomodating groove 81, the screw 82, the locating plate 83, bolt 84 and spacing axle 85, and 8 left surfaces of lantern rings have been seted up and have been accomodate groove 81, the inside of lantern ring 8 is provided with screw 82, and screw 82 and accomodating groove 81 link up each other, the internally mounted who accomodates groove 81 has locating plate 83, and be provided with bolt 84 on the locating plate 83, and bolt 84 passes locating plate 83 and 82 threaded connection of screw, the outer surface welding of locating plate 83 installs spacing axle 85, and spacing axle 85 passes the inner wall and the spacing hole 7 interconnect of lantern ring 8, make things convenient for the installation work of staff to lantern ring 8, simultaneously through the threaded connection of bolt 84 with screw 82, can fix the position of locating plate 83, avoid taking place to become flexible.
The positioning plate 83 and the collar 8 form a telescopic structure through the spring and the accommodating groove 81, the width of the positioning plate 83 is larger than the diameter of the limiting shaft 85, and the limiting shaft 85 and the collar 8 form a sliding structure, so that the positioning plate 83 can conveniently stretch and retract after being released from positioning, and the whole assembly operation is facilitated.
Spacing axle 85 is connected for the block with spacing hole 7's connected mode, and spacing axle 85 is sliding connection with spread groove 6 and notch 5's connected mode respectively, through spacing axle 85 accessible and spread groove 6 and notch 5's sliding connection, can remove spacing hole 7 through spread groove 6 in notch 5 with spacing axle 85, make things convenient for spacing axle 85 to be connected with spacing hole 7's block, be favorable to carrying out accurate counterpoint work, conveniently install.
The working principle of the embodiment is as follows: according to fig. 1 and 7, the hydroelectric fan 1 is installed in a water flowing area, so that water passes through the hydroelectric fan 1 in the water flowing process, the hydroelectric fan 1 is driven to rotate by water impact, then the hydroelectric fan 1 can drive the connecting shaft 2 and the connecting gear 3 to rotate, and the subsequent connecting gear 3 drives the power generation equipment to drive, meanwhile, the whole hydroelectric fan 1 is positioned by clamping of the lantern ring 8, the phenomenon of shaking in the rotating process is avoided, the whole protection work is improved, the hydroelectric fan 1 is a known and existing technology in the market, and detailed description is omitted;
according to fig. 1-2, 4 and 6, when the connecting gear 3 needs to be maintained and replaced, the sleeve 28 is pulled manually, the sleeve 28 slides leftwards on the connecting shaft 2, so that the sleeve 28 drives the positioning rod 25 to slide leftwards in the connecting shaft 2 through the connecting plate 27, meanwhile, the positioning rod 25 pushes the connecting spring 26 to perform contraction operation, the positioning rod 25 is separated from the positioning groove 32, the positioning operation on the connecting column 31 is released, then, the connecting gear 3 can be rotated, and the connecting gear 3 drives the connecting column 31 to rotate and separate from the connecting hole 24, so that the maintenance and replacement operations are facilitated;
referring to fig. 1, 3, 5 and 8, when the hydroelectric fan 1 needs to be maintained and replaced, the screw 84 is rotated by the screwdriver to separate the screw 84 from the screw 82, the screw 84 rotates and slides on the positioning plate 83, the positioning plate 83 is pushed to slide in the receiving groove 81, so that the positioning plate 83 pushes the spring to contract, the positioning plate 83 drives the limiting shaft 85 to slide in the limiting hole 7, the collar 8 is rotated to drive the limiting shaft 85 to rotate from the limiting hole 7 into the connecting groove 6, so that the limiting shaft 85 slides from the connecting groove 6 into the notch 5, the limiting shaft 85 resets the positioning plate 83 by the spring, the collar 8 is manually pulled to separate the collar 8 from the fixed shaft 4, thereby make spacing axle 85 and notch 5 carry out the separation that slides, simultaneously the blotter 9 on the lantern ring 8 and the separation that slides of hydroelectric fan 1 remove the location work to fixed axle 4 and connecting axle 2, stimulate hydroelectric fan 1 after that, make hydroelectric fan 1 and connecting axle 2 carry out the separation that slides, conveniently maintain and change hydroelectric fan 1 to accomplish a series of work.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a variable speed protection hydroelectric equipment, includes hydroelectric fan (1) and cushion (9), its characterized in that: connecting axle (2) are installed at the center of water conservancy fan (1), and the laminating of connecting axle (2) right side is connected with connecting gear (3), the left side center welded connection of connecting axle (2) has fixed axle (4), and notch (5), spread groove (6) and spacing hole (7) have been seted up respectively to the surface of fixed axle (4) to communicate each other between notch (5), spread groove (6) and spacing hole (7), the outside of fixed axle (4) is cup jointed and is installed lantern ring (8), and the right surface bonding of lantern ring (8) has blotter (9), and blotter (9) are connected with the laminating of the left surface of water conservancy fan (1).
2. A variable speed protective hydroelectric power generation apparatus according to claim 1 in which: the connecting shaft (2) comprises a positioning block (21), an anti-slip pad (22), a fixed circular plate (23), a connecting hole (24), a positioning rod (25), a connecting spring (26), a connecting plate (27) and a sleeve (28), the bottom surface of the left end of the connecting shaft (2) is fixedly welded with the positioning block (21), the outer surface of the connecting shaft (2) is fixedly provided with the fixed circular plate (23), the anti-slip pad (22) is bonded on the left surface of the fixed circular plate (23), the center of the right end of the connecting shaft (2) is provided with the connecting hole (24), the positioning rod (25) is installed inside the right end of the connecting shaft (2), the right end of the positioning rod (25) is connected with the connecting hole (24), the left surface of the positioning rod (25) is welded with the connecting spring (26), the connecting spring (26) is positioned inside the connecting shaft (2), the outer surface of the left, the connecting plate (27) penetrates through the connecting shaft (2) to be fixedly connected with the inner wall of the sleeve (28), and the sleeve (28) is sleeved on the outer side of the connecting plate (27).
3. A variable speed protective hydroelectric power generation apparatus according to claim 2 wherein: the connecting shaft (2) and the positioning block (21) are connected with the hydroelectric fan (1) in a clamping mode respectively, and the diameter of the connecting shaft (2) is smaller than that of the anti-slip pad (22) and the fixed circular plate (23).
4. A variable speed protective hydroelectric power generation apparatus according to claim 2 wherein: the positioning rod (25) and the connecting shaft (2) form a telescopic structure through a connecting spring (26), the positioning rod (25), the connecting plate (27) and the sleeve (28) are of an integrated structure, and the sleeve (28) and the connecting shaft (2) form a sliding structure.
5. A variable speed protective hydroelectric power generation apparatus according to claim 2 wherein: connect gear (3) including spliced pole (31) and constant head tank (32), and the left surface center welded fastening who connects gear (3) installs spliced pole (31), spliced pole (31) and connecting hole (24) threaded connection, and the left end center of spliced pole (31) is provided with constant head tank (32), constant head tank (32) are connected for the block with the right-hand member connected mode of locating lever (25), and the left side of constant head tank (32) is regarded as the square.
6. A variable speed protective hydroelectric power generation apparatus according to claim 1 in which: notches (5), connecting grooves (6) and limiting holes (7) are symmetrically distributed on the fixed shaft (4) respectively, and the left view section of each connecting groove (6) is arc-shaped.
7. A variable speed protective hydroelectric power generation apparatus according to claim 1 in which: the lantern ring (8) is including accomodating groove (81), screw (82), locating plate (83), bolt (84) and spacing axle (85), and lantern ring (8) left surface has seted up and has accomodate groove (81), the inside of lantern ring (8) is provided with screw (82), and screw (82) and accomodate groove (81) and link up each other, the internally mounted of accomodating groove (81) has locating plate (83), and is provided with bolt (84) on locating plate (83) to bolt (84) pass locating plate (83) and screw (82) threaded connection, the outer surface welding of locating plate (83) installs spacing axle (85), and spacing axle (85) pass the inner wall and spacing hole (7) interconnect of lantern ring (8).
8. A variable speed protective hydroelectric power generation apparatus according to claim 7 wherein: the positioning plate (83) and the lantern ring (8) form a telescopic structure through a spring, the accommodating groove (81) and the spring, the width of the positioning plate (83) is larger than the diameter of the limiting shaft (85), and the limiting shaft (85) and the lantern ring (8) form a sliding structure.
9. A variable speed protective hydroelectric power generation apparatus according to claim 7 wherein: the connection mode of the limiting shaft (85) and the limiting hole (7) is clamping connection, and the connection mode of the limiting shaft (85) and the connection groove (6) and the notch (5) is sliding connection respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010882069.7A CN111946529B (en) | 2020-08-28 | 2020-08-28 | Variable speed protection hydroelectric power generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010882069.7A CN111946529B (en) | 2020-08-28 | 2020-08-28 | Variable speed protection hydroelectric power generation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111946529A true CN111946529A (en) | 2020-11-17 |
| CN111946529B CN111946529B (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010882069.7A Expired - Fee Related CN111946529B (en) | 2020-08-28 | 2020-08-28 | Variable speed protection hydroelectric power generation equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN111946529B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658584A (en) * | 2022-04-01 | 2022-06-24 | 浙江金轮机电实业有限公司 | Flange-free water turbine |
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| JP2001085585A (en) * | 1999-09-13 | 2001-03-30 | Matsushita Electric Ind Co Ltd | Cooling fan fixing device |
| CN204402746U (en) * | 2015-01-29 | 2015-06-17 | 广东梅雁吉祥水电股份有限公司 | A kind of Novel water wheel unit |
| CN206439226U (en) * | 2017-02-09 | 2017-08-25 | 石家庄联合盛鑫泵业有限公司 | Impeller of pump anti-drop device |
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| CN110397621A (en) * | 2019-07-22 | 2019-11-01 | 高邮环流泵业有限公司 | A kind of axial-flow pump impeller used for chemical reactor |
| CN210238350U (en) * | 2019-06-24 | 2020-04-03 | 卢磐龙 | Infrared emergency stop device for urban rail |
| CN211288215U (en) * | 2019-12-27 | 2020-08-18 | 天津市润发铸造有限公司 | Petrochemical industry process impeller location structure |
-
2020
- 2020-08-28 CN CN202010882069.7A patent/CN111946529B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001085585A (en) * | 1999-09-13 | 2001-03-30 | Matsushita Electric Ind Co Ltd | Cooling fan fixing device |
| CN204402746U (en) * | 2015-01-29 | 2015-06-17 | 广东梅雁吉祥水电股份有限公司 | A kind of Novel water wheel unit |
| CN206439226U (en) * | 2017-02-09 | 2017-08-25 | 石家庄联合盛鑫泵业有限公司 | Impeller of pump anti-drop device |
| CN108980097A (en) * | 2018-09-20 | 2018-12-11 | 合肥恒大江海泵业股份有限公司 | A kind of dynamic device of sewage pump impeller anti-loose |
| CN210238350U (en) * | 2019-06-24 | 2020-04-03 | 卢磐龙 | Infrared emergency stop device for urban rail |
| CN110397621A (en) * | 2019-07-22 | 2019-11-01 | 高邮环流泵业有限公司 | A kind of axial-flow pump impeller used for chemical reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658584A (en) * | 2022-04-01 | 2022-06-24 | 浙江金轮机电实业有限公司 | Flange-free water turbine |
| CN114658584B (en) * | 2022-04-01 | 2024-02-20 | 浙江金轮机电实业有限公司 | Flangeless water turbine |
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| CN111946529B (en) | 2021-11-19 |
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Inventor after: Liang Chuntai Inventor after: Other inventors ask not to disclose names Inventor before: Do not announce the inventor |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20211029 Address after: 510800 room 503, No. 9, Songyuan Avenue, Huadu District, Guangzhou City, Guangdong Province Applicant after: Liang Chuntai Address before: No.3555, Wuhan road, Changchun Economic and Technological Development Zone, Jilin Province, 130032 Applicant before: Yang Kerui |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |