Shipborne series connection hydroelectric power station
Technical Field
The invention discloses a ship-borne series hydroelectric power station, belongs to the field of hydroelectric facilities, and particularly relates to a small-sized integral ship-borne impeller and a generator for power generation.
Background
Electricity is one of clean energy sources, and can be generated by using wind, water, an internal combustion engine, a gas turbine, solar energy and nuclear energy. At present, hydropower is slow in progress, the utilization rate of rivers in China is low, dam construction and water storage and high-lift hydraulic power generation are mostly utilized in dangerous and steep sections with large river fall, and river channels with low and gentle fall are not developed at present. Therefore, a power generation facility capable of generating power in a gentle river channel is needed, and water resources of the river channel are fully utilized.
Disclosure of Invention
The invention relates to a ship-borne serial hydroelectric power station, which solves the defects, and utilizes two semicircular ship bodies to be connected in parallel through two rectangular cross beams to form a conjoined ship, a cuboid-shaped speed increasing box is arranged on the upper surface of a left ship body, a cylindrical main shaft extending towards two sides is arranged in the speed increasing box, the right side of the main shaft extends over the middle part of a right ship body and is fixed on the middle part of a right ship body through a circular bearing seat, a group of power paddle brackets shaped like a Chinese character 'mi' is respectively arranged on the left, the middle and the right of the main shaft, a semicircular power paddle is respectively arranged at the top end of each group of brackets, a cylindrical anchor post is respectively embedded in the symmetrical positions on two sides of the inner side of a river bank, the assembled conjoined ship is placed in the center of a river channel, the two anchor posts are respectively connected with iron rings on two sides of the front end of the conjoined ship through two circular anchor chains, the, The main shaft is accelerated by the speed increasing box and then transmits power to the generator to generate current.
A ship-borne series hydroelectric power station is characterized by comprising anchor columns 1, anchor chains 2, a conjoined ship 3, a main shaft 4, a series iron cable 5, a connecting ring 6, a connecting plate 7, a power paddle bracket 8, a power paddle 9, a speed increasing box 10, a generator 11 and a bearing seat 12;
the anchor posts are cylindrical and are vertically and symmetrically arranged on two sides of the river channel;
the anchor chain is a cylindrical metal cable, and the front end of the anchor chain is connected with the upper surface of the anchor column through a bolt;
the integral ship is composed of two hollow semicircular ship bodies which are same in size and are arranged in parallel, a rectangular connecting plate is longitudinally arranged at each of two ends of the upper surface of each ship body and is connected with the ship bodies through bolts to form a rectangle, the interval between the two ship bodies is 2-15m, the fillers in the ship bodies are polystyrene materials, a circular connecting ring is respectively arranged on each of four corners of the integral ship, the two connecting rings in the front are respectively connected with the rear end of an anchor chain on one side of each connecting ring, and the two connecting rings in the rear are connected with the two corresponding connecting rings in the front of the rear integral ship through two same series iron cables;
the speed increasing box is cuboid and arranged in the middle of the upper portion of a ship body in the front of the conjoined ship, a main shaft is arranged in the center of a disc-shaped main speed increasing gear in the speed increasing box, the main shaft is arranged in the center of the rear end of the speed increasing box through annular bearings on two sides of the main speed increasing gear, two ends of the main shaft extend outwards, a disc-shaped speed increasing gear set is arranged in the speed increasing box through a cylindrical middle shaft, a pinion of the speed increasing gear set is meshed with the main speed increasing gear, a gearwheel of the speed increasing gear set is meshed with a circular pinion on a cylindrical output shaft, the output shaft is arranged in the center of the front end of the speed increasing box through the annular bearings, the right side of the output shaft extends to the top end of the outer portion of;
the main shaft is cylindrical, the left side of the main shaft extends to the left side of the center above the left ship body, and the right side of the main shaft extends to the right side of the center above the right ship body;
the bearing seat is D-shaped and is arranged in the center above the right ship body through a bolt, an annular bearing is arranged in the bearing seat, and a main shaft transversely penetrates through circular openings at two sides of the bearing seat and the bearing in the bearing seat;
the power paddle support is characterized in that 8-20 pairs of cylindrical support rods with the same length are connected to form two groups of parallel rice-shaped supports, a cylindrical sleeve is arranged at the center of each group of rice-shaped supports, an annular connecting rod is arranged in the middle of each group of rice-shaped support rods, power paddles are vertically arranged on the side faces of the top ends of each pair of support rods facing the same direction through bolts, and the power paddle support is respectively provided with one set on the left side, the middle part and the right side of the main shaft through the sleeve at the center;
the two sides of the power paddle are provided with semicircular baffles, the middle part of the power paddle is provided with an arc-shaped paddle, the interior of the power paddle is provided with a semicircular groove, and the front side of the power paddle is provided with an opening;
the generator is cylindrical and is arranged on the left hull and is parallel to the speed increasing box, and the disc-shaped belt pulley arranged on the right middle shaft is connected with the belt pulley on the output shaft of the speed increasing box through an annular transmission belt;
the series iron cable is a cylindrical metal cable, the front end of the series iron cable is connected with a connecting ring at the rear side of the front conjoined ship, and the rear end of the series iron cable is connected with a connecting ring at the front side of the rear conjoined ship.
Furthermore, only one set of power paddle support is arranged in the middle of the main shaft.
Furthermore, an umbrella-shaped large gear is arranged on a main shaft in the speed increasing box, a cylindrical output shaft is horizontally arranged at a position vertical to the main shaft, a small umbrella-shaped gear arranged at the front end of the output shaft is meshed with a large umbrella-shaped gear arranged on the main shaft, the rear end of the output shaft extends to the outside of the speed increasing box, and the top end of the output shaft is connected with a main shaft of a generator through a circular coupler.
Furthermore, the connected ships are circularly connected in series through series iron cables to form 3-50 power generation units, and the front end of each group of connected ships is connected with the corresponding anchor post in the front through an anchor chain.
Has the advantages that: the river utilization rate of China is low, the river is mostly used for damming water storage and high-lift hydraulic power generation in dangerous and steep sections with large river fall, and the river with low and gentle river fall is not developed at present. A ship-borne serial hydroelectric station is a conjoined ship formed by connecting two semicircular ship bodies in parallel through two rectangular cross beams, a cuboid-shaped speed increasing box is arranged on the left hull, a cylindrical main shaft extending to two sides is arranged in the speed increasing box, the right side of the main shaft extends over the middle part of the right hull and is fixed at the middle part of the right hull through a circular bearing seat, a group of power paddle brackets in a shape like a Chinese character 'mi' are respectively arranged at the left, middle and right sides of the main shaft, a semicircular power paddle is respectively arranged at the top end of each group of brackets, the method comprises the steps of pre-burying a cylindrical anchor post at each of two symmetrical positions on the inner side of a river bank, placing an assembled integral ship in the center of a river channel, connecting the two anchor posts with iron rings on two sides of the front end of the integral ship through two round anchor chains respectively, enabling the integral ship to be fixed in the center of the river channel, enabling a power paddle to drive a main shaft to rotate by fast flowing water flow, and enabling the main shaft to transmit power to a generator to generate current after being accelerated by a speed increasing box.
Drawings
In order to further illustrate the solution of the invention, the drawings that are needed in the following description are briefly described, the drawings in the following description are only some schematic illustrations of the invention, and it is not necessary for the skilled person to inventively obtain further drawings in conjunction with these drawings.
FIG. 1 is a front view of a shipboard tandem hydroelectric power plant;
FIG. 2 is a front view of the conjoined ship;
FIG. 3 is a schematic structural view of a main shaft, a power paddle support and a power paddle;
FIG. 4 is a schematic structural diagram of the conjoined ship, the main shaft, the speed increasing box, the generator and the bearing seat.
Detailed Description
The shape and construction of the present invention will now be described in detail with reference to the accompanying drawings and reference numerals:
a shipborne series hydroelectric power station is characterized by comprising anchor columns (the length is more than 6m, the diameter is more than 1m)1, anchor chains (the traction force is more than 10t) 2, a conjoined ship 3, a main shaft 4, a series iron cable 5, a connecting ring 6, a connecting plate 7, a power paddle 9 bracket 8, a power paddle 9, a speed increasing box 10, a generator (AC 380V/> 5kw) 11 and a bearing seat 12;
the anchor posts 1 are cylindrical and are vertically and symmetrically arranged on two sides of the river channel;
the anchor chain 2 is a cylindrical metal cable, and the front end of the anchor chain is connected with the upper surface of the anchor column 1 through a bolt;
the integral ship 3 is two hollow semicircular ship bodies which are same in size and are arranged in parallel, a rectangular connecting plate 7 is longitudinally arranged at each of two ends of the upper surface of each ship body, the connecting plates 7 are connected with the ship bodies through bolts to form a rectangle, the interval between the two ship bodies is 2-15m, the fillers in the ship bodies are polystyrene materials, a circular connecting ring 6 is respectively arranged on each of four corners of the integral ship 3, the two connecting rings 6 in front are respectively connected with the rear end of each anchor chain 2 on one side, and the two connecting rings 6 in rear are connected with the two connecting rings 6 corresponding to the front edge of the integral ship 3 in rear through two same series iron cables 5;
the speed increasing box 10 is cuboid and arranged in the middle of the upper portion of a ship body in front of the integrated ship 3, a main shaft 4 is arranged in the center of a disc-shaped main speed increasing gear in the speed increasing box 10, the main shaft 4 is arranged in the center of the rear end of the speed increasing box 10 through annular bearings on two sides of the main speed increasing gear, two ends of the main shaft extend outwards, a disc-shaped speed increasing gear set is arranged in the speed increasing box 10 through a cylindrical central shaft, a pinion of the speed increasing gear set is meshed with the main speed increasing gear, a large gear of the speed increasing gear set is meshed with a circular pinion on a cylindrical output shaft, the output shaft is arranged in the center of the front end of the speed increasing box 10 through the annular bearings, the right side of the output shaft extends to the top end of the outer face of the speed increasing;
the main shaft 4 is cylindrical, the left side of the main shaft extends to the left side of the center above the left ship body, and the right side of the main shaft extends to the right side of the center above the right ship body;
the bearing seat 12 is D-shaped and is arranged in the center above the right ship body through a bolt, an annular bearing is arranged in the bearing seat, and the main shaft 4 transversely penetrates through circular openings in two sides of the bearing seat 12 and the bearing in the bearing seat;
the power paddle support 8 is formed by connecting 8-20 pairs of cylindrical support rods with the same length and the same length to form two groups of parallel rice-shaped supports, a cylindrical sleeve is arranged at the center of each group of rice-shaped supports, an annular connecting rod is arranged in the middle of each group of rice-shaped support rods, the power paddles 9 are vertically arranged on the side faces of the top ends of each pair of support rods facing the same direction through bolts, and the power paddle support 8 is respectively provided with one set on the left side, the middle part and the right side of the main shaft 4 through the sleeve in the center;
the two sides of the power paddle 9 are provided with semicircular baffles, the middle part of the power paddle is provided with an arc-shaped paddle, the interior of the power paddle is provided with a semicircular groove, and the front side of the power paddle is provided with an opening;
the generator 11 is cylindrical and is arranged above the left hull and is parallel to the speed increasing box 10, and the disc-shaped belt pulley arranged above the right middle shaft is connected with the belt pulley on the output shaft of the speed increasing box 10 through an annular transmission belt;
the series iron cable 5 is a cylindrical metal cable, the front end of the series iron cable is connected with a connecting ring 6 at the rear side of the front integral ship 3, and the rear end of the series iron cable is connected with the connecting ring 6 at the front side of the rear integral ship 3.
Furthermore, only one set of power paddle support 8 is arranged in the middle of the main shaft 4.
Furthermore, an umbrella-shaped large gear is arranged on the main shaft 4 in the speed increasing box 10, a cylindrical output shaft is horizontally arranged at a position vertical to the main shaft 4, a small umbrella-shaped gear arranged at the front end of the output shaft is meshed with a large umbrella-shaped gear on the main shaft 4, the rear end of the output shaft extends to the outside of the speed increasing box 10, and the top end of the output shaft is connected with a main shaft of the generator 11 through a circular coupler.
Further, the connected ships 3 are circularly connected in series through series iron cables 5 to form 3-50 power generation units, and the front end of each group of connected ships 3 is connected with the corresponding anchor post 1 in front through an anchor chain 2.
When the shipborne series hydroelectric power station is used, a narrow water flow rapid section of a river channel is selected for exploration surveying and mapping, hydrological data are collected, installed capacity is designed, a connected ship 3 and a generator 11 with matching effects are selected, after early-stage work is finished, workers use a pile driver to symmetrically and sequentially dig pits (the interval distance between an upper anchor column 1 and a lower anchor column 1 is more than 10m) on two sides of the position, close to the inner side of a river bank, of two sides of the river channel according to installation design requirements, then vertically place a steel reinforcement cage in each pit, inject concrete, vertically erect a circular steel mold and a pre-embedded large iron ring on the upper surface of the pit after the concrete is injected to the plane of the river bed, the direction of the large iron ring needs to face to the lower part of the river bed, then continuously inject the concrete to the design height, maintain and spray water to the concrete anchor columns 1 every day, the anchor chains 2 can be detached for use after one week, the workers install the anchor columns 1 according to the design requirements, A generator 11 (an additional power switch and a cable larger than 50 m), a speed increasing box 10, a transmission belt, a bearing seat 12, a main shaft 4, a power paddle support 8, a power paddle 9, a series iron cable 5, wherein the components of a single power station are required to be assembled strictly according to the design requirements, after all the single power stations are assembled, a worker stops a large crane on the upper surface of a river bank beside an uppermost anchor column 1, releases a suspension arm, connects four steel wire ropes below a lifting hook with four connecting rings 6 to suspend a conjoined ship 3 to the center of a river channel to be suspended above the water surface by 0.5-1m, uses a triangular support higher than 4m to quickly fix an output cable of the generator 11 on the upper surface of the river bank by the worker on the bank, drives a assault boat to slowly run between the anchor column 1 and the conjoined ship 3 by 3-5 workers, and sequentially connects the lower ends of a left connecting ring 6 and a right connecting ring 6 corresponding to the left conjoined ship 2 and the right connecting ring 3 by, Adjusting the tightness of the anchor chains 2 at two sides, then placing the integral ship 3 in water, sequentially placing the integral ship 3 in water and installing the anchor chains 2 from top to bottom by workers according to the method, wherein the lower half parts of power paddle supports 8 and part of power paddles 9 installed on all the integral ships 3 are submerged in river water, the power paddles 9 submerged in the river water are circularly turned over under the impact of water flow to drive a main shaft 4 to rotate, the workers install a group of construction hanging baskets below lifting hooks of a crane, the crane stops on a river bank, and a hanging arm is released to sequentially and slowly lift the hanging baskets and two workers between the upper integral ship 3 and the lower integral ship 3, the workers use a special tool to connect the upper end of the series iron cable 5 with a connecting ring 6 at the rear part of the upper integral ship 3, connect the lower end of the series iron cable 5 with a connecting ring 6 at the front part of the lower integral ship 3, and adjust the tightness, after the series power station is erected, workers sequentially connect output cables of all the generators 11 with an intelligent power transformation cabinet in a power transformation room, then the high-voltage output end of the intelligent power transformation cabinet is connected with a power grid, at the moment, the workers turn on power switches of the output cables of all the generators 11, power paddles 9 on all connected ships 3 force the power paddles 9 to drive a main shaft 4 on a speed increasing box 10 to synchronously rotate through a power paddle support 8 under strong water flow impact, the main shaft 4 drives a small gear of a speed increasing gear set to rotate through a main speed increasing gear to force the speed increasing gear set to accelerate, a large gear of the speed increasing gear set drives a small gear on an output shaft to rotate, the small gear on the output shaft drives a small gear on the output shaft to rotate through a secondary speed increasing gear, the power is transmitted to a belt pulley outside the speed increasing box 10 through the output shaft, the belt pulley of the speed increasing box 10 drives a belt pulley of The stators perform magnetic field cutting mutually to generate current, the generator 11 transmits the generated current to the intelligent power transformation cabinet through a cable, and the intelligent power transformation cabinet optimizes and adjusts the voltage and the current generated by different generators 11 and then continuously transmits the high-voltage current to a power grid through a high-voltage inverter transformer.
The foregoing is merely a general disclosure of the invention and is not intended to limit the invention in any way; those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims.