CN114278484A - High-power generation and maintenance-convenient efficient stable water turbine - Google Patents
High-power generation and maintenance-convenient efficient stable water turbine Download PDFInfo
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- CN114278484A CN114278484A CN202111630080.5A CN202111630080A CN114278484A CN 114278484 A CN114278484 A CN 114278484A CN 202111630080 A CN202111630080 A CN 202111630080A CN 114278484 A CN114278484 A CN 114278484A
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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 application discloses a high-power generation and convenient-maintenance efficient and stable water turbine, which comprises a pump shell, a rotating shaft arranged in the pump shell and a power generation unit connected with the rotating shaft, wherein the pump body comprises a volute, a water inlet pipe connected with the volute, a first water outlet pipe connected with the volute, a connecting pipe unit connected with the first water outlet pipe and a second water outlet pipe connected with the connecting pipe unit; the first impeller and the second impeller located below the first impeller are installed at the rotating shaft, the first impeller is located at the volute, and the second impeller is located at the connecting pipe unit. The utility model provides a hydraulic turbine can be in changeing two impellers of taking out the department installation to carry out abundant utilization to the potential energy and the kinetic energy of rivers, the generating efficiency is good, and convenient the maintenance.
Description
Technical Field
The application relates to the field of hydraulic engineering, in particular to a high-power generation and maintenance-convenient efficient stable water turbine.
Background
The hydraulic turbine is a power machine for converting the energy of water flow into rotary mechanical energy, and belongs to the turbine machinery in fluid machinery. Most of modern water turbines are installed in hydropower stations and used for driving generators to generate electricity. In a hydropower station, water in an upstream reservoir is guided to a water turbine through a water guide pipe to push a water turbine runner to rotate so as to drive a generator to generate electricity. The water after doing work is discharged to the downstream through the tail water pipeline. The higher the water head and the larger the flow, the larger the output power of the water turbine is. In addition, the hydraulic turbine is generally very big, installs in the pump station, through carrying out the impeller rotation of drive hydraulic turbine after appropriate drainage with the water in river course to drive the pivot and rotate, thereby drive the generator electricity generation, some current hydraulic turbines, after going out water, because rivers still have great kinetic energy, consequently can not be enough to utilizing of water, and some large-scale hydraulic turbines are after long-time, some inside need be maintained, but because the volume is very big, bring many inconveniences for the maintenance.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims at overcoming the defects of the prior art and provides a high-power generation and maintenance-convenient high-efficiency stable water turbine.
The technical scheme is as follows: a high-power generation and convenient-maintenance efficient and stable water turbine comprises a pump shell, a rotating shaft arranged in the pump shell and a power generation unit connected with the rotating shaft, wherein the pump body comprises a volute, a water inlet pipe connected with the volute, a first water outlet pipe connected with the volute, a connecting pipe unit connected with the first water outlet pipe and a second water outlet pipe connected with the connecting pipe unit; the first impeller and the second impeller located below the first impeller are installed at the rotating shaft, the first impeller is located at the volute, and the second impeller is located at the connecting pipe unit.
Furthermore, a first bearing and a second bearing are installed at the rotating shaft, a first stabilizing frame is connected between the first bearing and the first water outlet pipe, and the first stabilizing frame comprises a first inner fixing ring connected with the first bearing, a first outer fixing ring fixedly connected with the first water outlet pipe and a plurality of first radial connecting ribs connected with the first inner fixing ring and the first outer fixing ring; be connected with the second steady rest between second bearing and the second outlet pipe, the second steady rest includes the second internal fixation ring who is connected with the second bearing, with the outer solid fixed ring of second outlet pipe fixed connection's second and connect the outer solid fixed ring of second internal fixation ring and second a plurality of second radial connection muscle.
Therefore, due to the limitation of the two stabilizing frames, the rotating shaft can operate more stably on the whole.
Furthermore, the connecting pipe unit comprises a first cambered connecting pipe and a second cambered connecting pipe, and the first connecting pipe and the second connecting pipe can be spliced into a complete cylindrical pipe; the first connecting pipe is fixedly connected with the first water outlet pipe and the second water outlet pipe, and the second connecting pipe is fixedly connected with the first water outlet pipe and the second water outlet pipe.
Therefore, when the first connecting pipe or the second connecting pipe is disassembled, the maintenance is more convenient.
Further, the bottom end of the first water outlet pipe and the top end of the second water outlet pipe are both provided with circular flanges; semicircular flanges are fixed at two ends of the first connecting pipe and two ends of the second connecting pipe; two first connecting vertical plates are arranged on two sides of the first connecting pipe, two second connecting vertical plates are arranged on two sides of the second connecting pipe, the two first connecting vertical plates and the two second connecting vertical plates are in one-to-one correspondence, and the corresponding first connecting vertical plates and the corresponding second connecting vertical plates are fixedly connected through bolts and nuts.
Through the fixed connection mode of flange and bolt nut for the installation is dismantled more fast.
Furthermore, the rotating shafts comprise a first rotating shaft, a second rotating shaft and a movable rotating shaft positioned between the first rotating shaft and the second rotating shaft; the first impeller and the first bearing are arranged at the first rotating shaft, the second bearing is arranged at the second rotating shaft, the second impeller is arranged at the movable rotating shaft, the bottom end of the first rotating shaft is provided with a first accommodating groove, the top end of the second rotating shaft is provided with a second accommodating groove, the top end of the movable rotating shaft is provided with a first inserting block capable of being inserted into the first accommodating groove, the bottom end of the movable rotating shaft is provided with a second inserting block capable of being inserted into the second accommodating groove, the first accommodating groove, the second accommodating groove, the first inserting block and the second inserting block are respectively provided with an installing through hole, the first inserting block and the first accommodating groove are locked and fixed through bolts and nuts, and the second inserting block and the second accommodating groove are locked and fixed through bolts and nuts; two protruding rings are further fixed at the position of the movable rotating shaft, an annular groove is formed in the outer circumference of each protruding ring, and a plurality of limiting protrusions are arranged at the position of each annular groove.
The maintenance unit comprises two base units which are parallel to each other, a reinforcing ring is fixed at the end part of each base unit close to the pump shell, the reinforcing ring at the upper base unit surrounds the first water outlet pipe and is fixedly connected with the first water outlet pipe, and the reinforcing ring at the lower base unit surrounds the second water outlet pipe and is fixedly connected with the second water outlet pipe; an installation frame is fixed between the two base units, an electric push rod is installed at the installation frame, a sliding seat is fixedly connected to the end portion of the electric push rod, two threaded holes are formed in the sliding seat, first screw rods penetrate through the threaded holes, adjusting nuts are arranged at the first screw rods, the end portions of the first screw rods are connected with a locking unit through pull ropes, the locking unit comprises a U-shaped rod and a locking plate, second screw rods are fixedly connected to the two ends of the U-shaped rod, the two second screw rods penetrate through the locking plate, locking nuts are arranged at the second screw rods to lock the locking plate, a rotating block is hinged to the locking plate and fixedly connected with the pull ropes, the U-shaped rod can be embedded into the annular groove, and a plurality of limiting recesses matched with the limiting protrusions are formed in the inner side of the U-shaped rod; the base unit is provided with a slide rail, the slide rail is provided with a bar-shaped slide seat capable of sliding along the slide rail, two side connecting frames are connected between the two bar-shaped slide seats, a connecting plate is connected between the two side connecting frames, the connecting plate is provided with a rectangular through hole which is penetrated by a movable rod of the electric push rod, the bar-shaped slide seat is provided with a limiting guide rail, and the top end and the bottom end of the slide seat are respectively provided with a sliding groove matched with the limiting guide rail; the end fixing of bar slide has the bearing piece, the bearing piece has the spacing groove, bearing piece department still has the bolt hole, and the spacing groove of the bearing piece that the base unit of top corresponds can be used for holding the first inserted block of activity pivot and both can be fixed through bolt and nut, and the spacing groove of the bearing piece that the base unit of below corresponds can be used for holding the second inserted block of activity pivot and both can be fixed through bolt and nut.
Furthermore, the limiting groove of the bearing block is provided with a dowel, and the first and second joint blocks of the movable rotating shaft are provided with slots matched with the dowel.
Therefore, when the two bearing blocks bear the two ends of the movable rotating shaft, the bearing is more stable.
Furthermore, the sliding seat is connected with two pushing units, and each pushing unit comprises a straight rod connected with the sliding seat and an arc-shaped plate fixed at the end part of the straight rod; and cylinder seats are fixed at the two side connecting frames, telescopic cylinders are installed at the cylinder seats, a limiting plate is installed at the movable end of each telescopic cylinder, and the limiting plate can abut against one side, facing the second connecting pipe, of the sliding seat.
Therefore, the movable rotating shaft can be pushed and reset to a position between the first rotating shaft and the second rotating shaft by utilizing the two arc-shaped plates.
Furthermore, the number of the mounting frames is two, the top ends of the mounting frames are fixedly connected with the slide rails at the upper base unit, the bottom ends of the mounting frames are fixedly connected with the slide rails at the lower base unit, and the electric push rod is fixedly connected with both the two mounting frames; the side connecting frame is U-shaped.
Further, the first impeller is a mixed flow impeller, and a plurality of first rotating vanes are arranged at the first impeller; the second impeller is an axial-flow impeller, and a plurality of second rotating blades are arranged at the second impeller.
Thus, the water flow passes through the first impeller and then the second impeller to provide larger kinetic energy for the rotating shaft.
Has the advantages that: the utility model provides a hydraulic turbine can be in changeing two impellers of taking out the department installation to carry out abundant utilization, the generating efficiency is good to the potential energy and the kinetic energy of rivers. And the connection pipe unit can be opened, thereby facilitating maintenance of the inner impeller. In addition, a special maintenance unit is arranged, so that the impeller is convenient to disassemble, maintain and install.
Drawings
FIG. 1 is a schematic view of a water turbine during normal power generation;
FIG. 2 is a schematic view of the movable shaft being pulled out after the second connection pipe is opened;
FIG. 3 is a schematic view of the movable shaft being pulled out to two receiving blocks;
FIG. 4 is a schematic view of the movable spindle moving to a corresponding service position;
FIG. 5 is a schematic view of the movable shaft moving to a first viewing angle near the first and second shafts after the maintenance is finished;
FIG. 6 is a schematic view illustrating the movable shaft being moved to a second viewing angle near the first and second shafts after the maintenance is finished;
fig. 7 is a schematic view of the movable rotating shaft being pushed and reset to a position between the first rotating shaft and the second rotating shaft by the pushing unit.
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.
Reference numerals: 1, a volute; 1.1 water inlet pipe; 1.2 a first water outlet pipe; 1.2.1 a first stabilizer; 1.3 a second water outlet pipe; 1.3.1 a second stabilizer; 1.3.2 second bearing; 1.4 first connecting pipe; 1.5 second connecting pipe; 2.1 a base unit; 2.2 a reinforcement ring; 2.3 sliding rails; 2.4 mounting frames; 2.5 electric push rod; 2.6 sliding seats; 2.7 pushing unit; 2.8 first screw; 3.1 a strip-shaped sliding seat; 3.2 limiting the guide rail; 3.3, a bearing block; 3.4 limiting grooves; 3.5 inserting the steel bars; 3.6 bolt holes; 3.7 side connecting frame; 3.7.1 connecting plate; 3.7.2 rectangular through holes; 3.8 cylinder block; 3.9 telescopic cylinder; 3.10 limiting plates; 4.1 locking plate; 4.2U-shaped rods; 4.2.1 second screw; 4.3 turning the block; 4.4 pulling a rope; 5.1 a movable rotating shaft; 5.1.1 projecting ring; 5.1.2 annular grooves; 5.1.3 limiting bulges; 5.2 a second impeller; 5.3 second rotating leaves; 5.4 a projecting ring; 5.5 first insert block; 5.5.1 installing a through hole; 5.6 second insert block.
The following detailed description is made with reference to the accompanying drawings: a high-power generation and convenient-maintenance efficient and stable water turbine comprises a pump shell, a rotating shaft arranged in the pump shell and a power generation unit connected with the rotating shaft, wherein the pump body comprises a volute 1, a water inlet pipe 1.1 connected with the volute 1, a first water outlet pipe 1.2 connected with the volute 1, a connecting pipe unit connected with the first water outlet pipe 1.2 and a second water outlet pipe 1.3 connected with the connecting pipe unit; the first impeller and the second impeller 5.2 located below the first impeller are installed at the rotating shaft, the first impeller is located at the volute 1, and the second impeller 5.2 is located at the connecting pipe unit. A first bearing and a second bearing 1.3.2 are installed at the rotating shaft, a first stabilizing frame 1.2.1 is connected between the first bearing and the first water outlet pipe 1.2, and the first stabilizing frame 1.2.1 comprises a first inner fixing ring connected with the first bearing, a first outer fixing ring fixedly connected with the first water outlet pipe 1.2 and a plurality of first radial connecting ribs for connecting the first inner fixing ring and the first outer fixing ring; be connected with second steady rest 1.3.1 between second bearing 1.3.2 and the second outlet pipe 1.3, second steady rest 1.3.1 includes the second internal fixation ring be connected with second bearing 1.3.2, with the outer solid fixed ring of second outlet pipe fixed connection's second and connect the outer solid fixed ring of second internal fixation ring and second a plurality of second radial connection muscle of solid fixed ring outside. The connecting pipe unit comprises a first cambered connecting pipe 1.4 and a second cambered connecting pipe 1.5, and the first connecting pipe 1.4 and the second connecting pipe 1.5 can be spliced into a complete cylindrical pipe; the first connecting pipe 1.4 is fixedly connected with the first water outlet pipe 1.2 and the second water outlet pipe 1.3, and the second connecting pipe 1.5 is fixedly connected with the first water outlet pipe 1.2 and the second water outlet pipe 1.3. The bottom end of the first water outlet pipe 1.2 and the top end of the second water outlet pipe 1.3 are both provided with circular flanges; semicircular flanges are fixed at two ends of the first connecting pipe 1.4 and two ends of the second connecting pipe 1.5; the both sides of first connecting pipe 1.4 have two first connection risers, the both sides of second connecting pipe 1.5 have two second connection risers, and two first connection risers and two second connection risers one-to-one, corresponding first connection riser and second connection riser pass through bolt and nut fixed connection.
The rotating shafts comprise a first rotating shaft, a second rotating shaft and a movable rotating shaft 5.1 positioned between the first rotating shaft and the second rotating shaft; the first impeller and the first bearing are arranged at the first rotating shaft, the second bearing is arranged at the second rotating shaft, the second impeller 5.2 is arranged at the movable rotating shaft 5.1, the bottom end of the first rotating shaft is provided with a first accommodating groove, the top end of the second rotating shaft is provided with a second accommodating groove, the top end of the movable rotating shaft 5.1 is provided with a first inserting block 5.5 capable of being inserted into the first accommodating groove, the bottom end of the movable rotating shaft is provided with a second inserting block 5.6 capable of being inserted into the second accommodating groove, the first accommodating groove, the second accommodating groove, the first inserting block 5.5 and the second inserting block 5.6 are provided with mounting through holes, the first inserting block 5.5 and the first accommodating groove are locked and fixed through bolts and nuts, and the second inserting block 5.6 and the second accommodating groove are locked and fixed through bolts and nuts; two bulge rings 5.1.1 are further fixed at the position of the movable rotating shaft 5.1, an annular groove 5.1.2 is formed in the outer circumference of the bulge ring 5.1.1, and a plurality of limiting protrusions 5.1.3 are formed at the position of the annular groove 5.1.2. In addition, the water turbine also comprises a maintenance unit, the maintenance unit comprises two base units 2.1 which are parallel to each other (the two base units can be arranged in a concrete wall body in a pump station so as to increase the fixing effect), a reinforcing ring 2.2 is fixed at the end part of the base unit 5.1 close to the pump shell, the reinforcing ring 2.2 at the upper base unit 2.1 surrounds the first water outlet pipe 1.2 and is fixedly connected with the first water outlet pipe 1.2, and the reinforcing ring 2.2 at the lower base unit 2.1 surrounds the second water outlet pipe 1.3 and is fixedly connected with the second water outlet pipe 1.3; an installation frame 2.4 is fixed between the two base units 2.1, an electric push rod 2.5 is arranged at the installation frame 2.4, the end part of the electric push rod 2.5 is fixedly connected with a sliding seat 2.6, the sliding seat 2.6 is provided with two threaded holes, a first screw rod 2.8 is arranged at the threaded hole in a penetrating way, an adjusting nut is arranged at the position of the first screw rod 2.8, the end of the first screw 2.8 is connected with a locking unit by a pull rope 4.4, the locking unit comprises a U-shaped rod 4.2 and a locking plate 4.1, two ends of the U-shaped rod 4.2 are fixedly connected with second screw rods 4.2.1, the two second screw rods 4.2.1 penetrate through the locking plate 4.1, locking nuts are arranged at the positions of the second screw rods 4.2.1 to lock the locking plate, rotating blocks are hinged at the positions of the locking plates 4.1, the rotating block is fixedly connected with the pull rope 4.4, the U-shaped rod 4.2 can be embedded into the annular groove, and the inner side of the U-shaped rod 4.2 is provided with a plurality of limiting depressions matched with the limiting bulges 5.1.3; a slide rail 2.3 is arranged at the base unit 2.1, a bar-shaped slide seat 3.1 capable of sliding along the slide rail 2.3 is arranged at the slide rail 2.3, two side connecting frames 3.7 are connected between the two bar-shaped slide seats 3.1, a connecting plate 3.7.1 is connected between the two side connecting frames 3.7, a rectangular through hole 3.7.2 penetrated by a movable rod of the electric push rod 2.5 is arranged at the connecting plate 3.7.1, a limit guide rail 3.2 is arranged at the bar-shaped slide seat 3.1, and sliding grooves matched with the limit guide rail 3.2 are arranged at the top end and the bottom end of the slide seat 2.6; the end fixing of bar slide 2.6 has the piece of accepting 3.3, the piece of accepting 3.3 has the spacing groove, the piece of accepting 3.3 department still has bolt hole 3.6, and the spacing groove of the piece of accepting 3.3 that the base unit 2.1 of top corresponds can be used for holding the first inserted block 5.5 of activity pivot 5.1 and both can be fixed through bolt and nut, and the spacing groove of the piece of accepting 3.3 that the base unit 2.1 of below corresponds can be used for holding the second inserted block 5.6 of activity pivot 5.1 and both can be fixed through bolt and nut.
The position of the limiting groove of the bearing block 3.3 is provided with a dowel, and the positions of the first insert 5.5 and the second insert 5.6 of the movable rotating shaft 5.1 are provided with slots matched with the dowel 3.5. The sliding seat 2.6 is connected with two pushing units 2.7, and each pushing unit 2.7 comprises a straight rod connected with the sliding seat 2.6 and an arc-shaped plate fixed at the end part of the straight rod; the two side connecting frames 3.7 are respectively fixed with a cylinder seat 3.8, the cylinder seats 3.8 are provided with telescopic cylinders 3.9, the movable ends of the telescopic cylinders 3.9 are provided with limiting plates 3.10, and the limiting plates 3.10 can abut against one side of the sliding seat 2.6 facing the second connecting pipe 1.5. The number of the mounting frames 2.4 is two, the top end of each mounting frame 2.4 is fixedly connected with the slide rail 2.3 at the position of the upper base unit 2.1, the bottom end of each mounting frame is fixedly connected with the slide rail 2.3 at the position of the lower base unit 2.1, and the electric push rod 2.5 is fixedly connected with the two mounting frames 2.4; the side connecting frames 3.7 are U-shaped. The first impeller is a mixed flow impeller, and a plurality of first rotating vanes are arranged at the first impeller; the second impeller 5.2 is an axial flow impeller, and a plurality of second rotating blades are arranged at the position of the second impeller 5.2.
As shown in the figure, the rivers that are guided get into from the inlet tube and drive an impeller rotation at first, get into first outlet pipe next, connecting pipe unit and second outlet pipe, drive the second impeller rotation in the connecting pipe unit, thereby make full use of the kinetic energy of water, thereby realize high-power electricity generation, and first pivot department has the steady rest, second pivot department has the second steady rest (also have parts such as bearing shaft seal between first pivot and the spiral case, belong to prior art, no longer give unnecessary details), thereby it is more stable to realize the pivot rotation. And second impeller department adopts the mounting means of activity pivot, under the usual condition, adopts the fixed mode of bolt and nut between activity pivot and first, two pivots to realize stable connection, when needs are maintained, can unpack the second connecting plate apart, thereby can dismantle the activity pivot, remove the activity pivot out, thereby convenient maintenance to the second impeller.
The specific maintenance mode is shown as follows: as shown in fig. 1, the second connecting pipe is firstly disassembled, and is connected as shown in fig. 2, two bearing blocks are moved to the position near the movable rotating shaft (for example, the two bearing blocks are slightly abutted to the first rotating shaft and the second rotating shaft respectively), two locking units are respectively installed at two convex rings, so that the two convex rings are fixed, a pull rope is tightened by utilizing a first bolt and an adjusting nut, and in the tightening process, if the movable rotating shaft deviates from a certain angle with the angle in fig. 2, the movable rotating shaft is driven to rotate in the rotating process of the adjusting nut, so that the movable rotating shaft is rotated to the position shown in fig. 2. Then loosen the bolt and nut between first, two pivots and the activity pivot, utilize electric putter to shorten, move the activity pivot to two and accept piece department, move to the position that figure 3 shows, utilize bolt and nut, accept piece fixed connection with two with the activity pivot, electric putter continues to shorten afterwards to on the one hand because the pulling force of stay cord this moment, the sliding seat butt connecting plate on the one hand moves the activity pivot to the position that figure 4 shows, thereby the space is bigger, more convenient maintenance.
After the maintenance is finished, the two telescopic cylinders extend, so that the sliding seat is abutted to the two limiting plates, the bar-shaped sliding seat is driven to slide, and the two abutting blocks move to positions near the first rotating shaft and the second rotating shaft, as shown in fig. 5-6. Then, loosening the bolt and nut of the bearing block and the movable rotating shaft, enabling the telescopic cylinder to be shortened, continuously extending the electric push rod, pushing the movable rotating shaft to a position between the first rotating shaft and the second rotating shaft by utilizing the two pushing units, and fixedly connecting the movable rotating shaft with the first rotating shaft and the second rotating shaft by utilizing the bolt and nut, as shown in fig. 6, thereby realizing the installation of the movable rotating shaft, resetting and installing the second connecting pipe, and further continuously using the water turbine.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.
Claims (10)
1. A high-power generation and convenient-maintenance efficient and stable water turbine is characterized by comprising a pump shell, a rotating shaft arranged in the pump shell and a power generation unit connected with the rotating shaft, wherein the pump body comprises a volute, a water inlet pipe connected with the volute, a first water outlet pipe connected with the volute, a connecting pipe unit connected with the first water outlet pipe and a second water outlet pipe connected with the connecting pipe unit; the first impeller and the second impeller located below the first impeller are installed at the rotating shaft, the first impeller is located at the volute, and the second impeller is located at the connecting pipe unit.
2. The high-power generation and maintenance-convenient efficient and stable water turbine according to claim 1, wherein a first bearing and a second bearing are installed at the rotating shaft, a first stabilizing frame is connected between the first bearing and the first water outlet pipe, and the first stabilizing frame comprises a first inner fixing ring connected with the first bearing, a first outer fixing ring fixedly connected with the first water outlet pipe, and a plurality of first radial connecting ribs connecting the first inner fixing ring and the first outer fixing ring; be connected with the second steady rest between second bearing and the second outlet pipe, the second steady rest includes the second internal fixation ring who is connected with the second bearing, with the outer solid fixed ring of second outlet pipe fixed connection's second and connect the outer solid fixed ring of second internal fixation ring and second a plurality of second radial connection muscle.
3. The high-power generation and convenient-to-maintain high-efficiency stable water turbine as claimed in claim 1, wherein the connecting pipe unit comprises a first cambered connecting pipe and a second cambered connecting pipe, and the first connecting pipe and the second connecting pipe can be spliced into a complete cylindrical pipe; the first connecting pipe is fixedly connected with the first water outlet pipe and the second water outlet pipe, and the second connecting pipe is fixedly connected with the first water outlet pipe and the second water outlet pipe.
4. The high-power generation and maintenance-convenient efficient and stable water turbine as claimed in claim 1, wherein the bottom end of the first water outlet pipe and the top end of the second water outlet pipe are both provided with circular flanges; semicircular flanges are fixed at two ends of the first connecting pipe and two ends of the second connecting pipe; two first connecting vertical plates are arranged on two sides of the first connecting pipe, two second connecting vertical plates are arranged on two sides of the second connecting pipe, the two first connecting vertical plates and the two second connecting vertical plates are in one-to-one correspondence, and the corresponding first connecting vertical plates and the corresponding second connecting vertical plates are fixedly connected through bolts and nuts.
5. The high power electricity generating and easy to maintain high efficiency stable water turbine according to claim 2, wherein the rotating shaft comprises a first rotating shaft, a second rotating shaft and a movable rotating shaft between the first rotating shaft and the second rotating shaft; the first impeller and the first bearing are arranged at the first rotating shaft, the second bearing is arranged at the second rotating shaft, the second impeller is arranged at the movable rotating shaft, the bottom end of the first rotating shaft is provided with a first accommodating groove, the top end of the second rotating shaft is provided with a second accommodating groove, the top end of the movable rotating shaft is provided with a first inserting block capable of being inserted into the first accommodating groove, the bottom end of the movable rotating shaft is provided with a second inserting block capable of being inserted into the second accommodating groove, the first accommodating groove, the second accommodating groove, the first inserting block and the second inserting block are respectively provided with an installing through hole, the first inserting block and the first accommodating groove are locked and fixed through bolts and nuts, and the second inserting block and the second accommodating groove are locked and fixed through bolts and nuts; two protruding rings are further fixed at the position of the movable rotating shaft, an annular groove is formed in the outer circumference of each protruding ring, and a plurality of limiting protrusions are arranged at the position of each annular groove.
6. The high-power generation and convenient-to-maintain high-efficiency stable water turbine according to claim 5, characterized by further comprising a maintenance unit, wherein the maintenance unit comprises two base units which are parallel to each other, a reinforcing ring is fixed at the end part of each base unit close to the pump shell, the reinforcing ring at the upper base unit surrounds the first water outlet pipe and is fixedly connected with the first water outlet pipe, and the reinforcing ring at the lower base unit surrounds the second water outlet pipe and is fixedly connected with the second water outlet pipe; an installation frame is fixed between the two base units, an electric push rod is installed at the installation frame, a sliding seat is fixedly connected to the end portion of the electric push rod, two threaded holes are formed in the sliding seat, first screw rods penetrate through the threaded holes, adjusting nuts are arranged at the first screw rods, the end portions of the first screw rods are connected with a locking unit through pull ropes, the locking unit comprises a U-shaped rod and a locking plate, second screw rods are fixedly connected to the two ends of the U-shaped rod, the two second screw rods penetrate through the locking plate, locking nuts are arranged at the second screw rods to lock the locking plate, a rotating block is hinged to the locking plate and fixedly connected with the pull ropes, the U-shaped rod can be embedded into the annular groove, and a plurality of limiting recesses matched with the limiting protrusions are formed in the inner side of the U-shaped rod; the base unit is provided with a slide rail, the slide rail is provided with a bar-shaped slide seat capable of sliding along the slide rail, two side connecting frames are connected between the two bar-shaped slide seats, a connecting plate is connected between the two side connecting frames, the connecting plate is provided with a rectangular through hole which is penetrated by a movable rod of the electric push rod, the bar-shaped slide seat is provided with a limiting guide rail, and the top end and the bottom end of the slide seat are respectively provided with a sliding groove matched with the limiting guide rail; the end fixing of bar slide has the bearing piece, the bearing piece has the spacing groove, bearing piece department still has the bolt hole, and the spacing groove of the bearing piece that the base unit of top corresponds can be used for holding the first inserted block of activity pivot and both can be fixed through bolt and nut, and the spacing groove of the bearing piece that the base unit of below corresponds can be used for holding the second inserted block of activity pivot and both can be fixed through bolt and nut.
7. The high-power generation and maintenance-convenient efficient and stable water turbine as claimed in claim 6, wherein the bearing block has a rib at a limiting groove, and the first and second blocks of the movable rotating shaft have a slot matched with the rib.
8. The high-power generation and maintenance-convenient high-efficiency stable water turbine according to claim 6, wherein two pushing units are connected to the sliding seat, and each pushing unit comprises a straight rod connected with the sliding seat and an arc-shaped plate fixed at the end of the straight rod; and cylinder seats are fixed at the two side connecting frames, telescopic cylinders are installed at the cylinder seats, a limiting plate is installed at the movable end of each telescopic cylinder, and the limiting plate can abut against one side, facing the second connecting pipe, of the sliding seat.
9. The high-power generation and convenient-maintenance high-efficiency stable water turbine according to claim 6, wherein the number of the mounting frames is two, the top ends of the mounting frames are fixedly connected with the slide rails at the upper base unit, the bottom ends of the mounting frames are fixedly connected with the slide rails at the lower base unit, and the electric push rod is fixedly connected with both the mounting frames; the side connecting frame is U-shaped.
10. The high-power generation and maintenance-convenient high-efficiency stable water turbine as claimed in claim 6, wherein the first impeller is a mixed flow impeller, and the first impeller is provided with a plurality of first rotating blades; the second impeller is an axial-flow impeller, and a plurality of second rotating blades are arranged at the second impeller.
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| US20110142653A1 (en) * | 2009-12-11 | 2011-06-16 | Hamilton Sundstrand Corporation | Two piece impeller |
| CN102230440A (en) * | 2011-06-16 | 2011-11-02 | 中国海洋大学 | Bidirectional fairing and tidal current generating set |
| CN102563085A (en) * | 2012-01-20 | 2012-07-11 | 华北水利水电学院 | Water-turbine flat-plate sealing device convenient to maintain |
| CN105736214A (en) * | 2016-04-13 | 2016-07-06 | 国网新疆电力公司阿克苏供电公司 | Novel macromolecule nylon abrasion resisting ring |
| CN209557149U (en) * | 2018-11-15 | 2019-10-29 | 湖南红太东方机电装备股份有限公司 | A kind of permanent-magnetic variable-frequency turbine-generator units |
| CN111878282A (en) * | 2020-08-31 | 2020-11-03 | 韶关学院 | Tidal current double-rotating-wheel combined water turbine |
| CN212774579U (en) * | 2020-08-07 | 2021-03-23 | 福州方圆电机有限公司 | Double-impeller type water turbine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20110142653A1 (en) * | 2009-12-11 | 2011-06-16 | Hamilton Sundstrand Corporation | Two piece impeller |
| CN102230440A (en) * | 2011-06-16 | 2011-11-02 | 中国海洋大学 | Bidirectional fairing and tidal current generating set |
| CN102563085A (en) * | 2012-01-20 | 2012-07-11 | 华北水利水电学院 | Water-turbine flat-plate sealing device convenient to maintain |
| CN105736214A (en) * | 2016-04-13 | 2016-07-06 | 国网新疆电力公司阿克苏供电公司 | Novel macromolecule nylon abrasion resisting ring |
| CN209557149U (en) * | 2018-11-15 | 2019-10-29 | 湖南红太东方机电装备股份有限公司 | A kind of permanent-magnetic variable-frequency turbine-generator units |
| CN212774579U (en) * | 2020-08-07 | 2021-03-23 | 福州方圆电机有限公司 | Double-impeller type water turbine |
| CN111878282A (en) * | 2020-08-31 | 2020-11-03 | 韶关学院 | Tidal current double-rotating-wheel combined water turbine |
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