Three-section rotor house of large megawatt wind driven generator
Technical Field
The invention relates to the field of wind driven generators, in particular to a three-lobe rotor house of a large megawatt wind driven generator.
Background
Along with the gradual enhancement of national environmental protection consciousness, traditional energy production and consumption modes are gradually eliminated, wind power generation is widely applied in a plurality of places, and in places with rich wind power resources, a large megawatt wind power generator is very important and common equipment, and when the existing large megawatt wind power generator is used, the large megawatt three-flap rotor house with the size of more than 12MW is very large and heavy, if the large megawatt wind power generator is used for too long, the rotating blocking force is easily caused to be too large due to long-time wind and insolation, the power generation efficiency is reduced, the risk of dumping caused by vibration caused by too large resistance is also caused, and if the large megawatt wind power generator is out of order, the severity of the fault is larger because workers cannot generate problems at the first time.
Disclosure of Invention
The invention aims to provide a three-lobe rotor house of a large megawatt wind driven generator so as to solve the problems in the background technology.
The three-flap rotor house of the large megawatt wind driven generator comprises a house frame, wherein a three-flap rotor is arranged in the middle of an inner cavity of the house frame, a liquid storage frame is arranged at the upper end of the left side of the inner cavity of the house frame, a movable cylinder is arranged in the middle of the right side of the liquid storage frame, a reciprocating extrusion mechanism is arranged in the movable cylinder, a pushing mechanism is arranged at the bottom end of the reciprocating extrusion mechanism and the upper end of the three-flap rotor, a connecting port is formed in the middle of the left side of the house frame, and a spraying head is arranged in the middle of the upper end of the inner cavity of the connecting port.
Further, the reciprocating extrusion mechanism comprises an extrusion air bag, a first movable ejector block, a movable through hole, a movable ejector rod and a connecting air pipe, wherein the first movable ejector block is arranged at the bottom end of the inner cavity of the movable cylinder, the extrusion air bag is arranged at the upper end of the inner cavity of the first movable ejector block and the upper end of the inner cavity of the movable cylinder, the connecting air pipe is arranged at the upper end of the left side of the extrusion air bag, the left end of the connecting air pipe penetrates through the movable cylinder and is connected with the upper end of the right side of the liquid storage frame, the movable ejector rods are arranged at the bottom ends of the first movable ejector blocks, and the movable through hole is formed in the middle of the bottom end of the movable cylinder.
Further, the movable cylinder overlook and be circular structure, the room frame cross-section is concave structure, the room frame is looked sideways and is circular structure, the connecting through-hole has all been seted up to liquid storage frame right side middle part upper end and movable cylinder left side middle part upper end in the relative position that is located the connecting trachea.
Further, the first movable top block is in a circular structure in overlooking mode, the periphery of the outer portion of the first movable top block and the periphery of the inner portion of the movable cylinder are polished, the extrusion air bags are made of synthetic rubber materials, and the upper ends of the middle portions of the left sides of the extrusion air bags are provided with mounting through holes.
Further, the middle part of the inner cavity of the house frame and the middle part of the three-petal rotor are provided with fixed shaft sleeves, the side view of the fixed shaft sleeves is of a round structure, and the upper ends of the middle part of the outer side of the liquid storage frame and the middle part of the left side of the inner cavity of the house frame are provided with fixed sleeves.
Further, the pushing mechanism comprises a mounting spring, a movable inclined block and a pushing inclined block, the bottom end of the movable ejector rod penetrates through the movable cylinder to be provided with the movable inclined block, the left side of the upper end of the three-petal rotor is provided with the pushing inclined block at the opposite position of the movable inclined block, the inclined surface of the upper end of the rear side of the pushing inclined block is contacted with the inclined surface of the lower end of the front side of the movable inclined block, and the mounting spring is arranged at the upper end of the movable inclined block and the bottom end of the movable cylinder.
Furthermore, the periphery of the outer parts of the movable inclined block and the pushing inclined block are polished, the mounting spring is made of spring steel, and the movable ejector rod is positioned in the middle of the mounting spring.
Further, a blanking pipe is arranged at the upper end of the connecting port between the middle part of the bottom end of the liquid storage frame and the middle part of the left side of the inner cavity of the room frame, and a blanking port is arranged at the left side of the inner cavity of the room frame at the relative position between the upper end of the spraying head and the blanking pipe.
Further, the stock solution frame bottom is and covers the bucket type structure, the stock solution frame upper end is the arc structure, the installation notch has been seted up to stock solution frame inner chamber left side middle part lower extreme, the inside liquid level controller that is provided with of installation notch, liquid level controller passes through wire and outside control center electric connection.
Further, connect the through-hole side view and be circular structure, connect the inside both sides of through-hole and be provided with a plurality of balls, connect the through-hole inner chamber all around and all offer the installation circle mouth in the relative position that is located the ball, the ball side view is annular distribution, the unexpected mechanism of monitoring includes monitoring frame, battery, elastic mounting rope, blade, connecting rope, second movable kicking block, pulling spring, touch-control switch and signal transmitter, room frame inner chamber bottom left side middle part is provided with the monitoring frame, monitoring frame outside right side is provided with signal transmitter, signal transmitter and outside control center wireless connection, monitoring frame inner chamber right side is provided with touch-control switch, touch-control switch passes through wire and signal transmitter electric connection, monitoring frame inner chamber middle part is provided with the second movable kicking block, second movable kicking block right side is provided with pulling spring with monitoring frame inner chamber right side, pulling spring is tensile state, monitoring frame inner chamber left side middle part and monitoring frame inner chamber upper end middle part left side are provided with elastic mounting rope, left side movable kicking block and monitoring frame inner chamber left side and left side are provided with signal transmitter electric connection, left side movable kicking block and left side middle part and monitoring frame inner chamber are provided with the electric connection, the battery left side middle part is provided with the wire side.
Compared with the prior art, the invention has the beneficial effects that:
1. When the three-lobe rotor rotates, the pushing mechanism is triggered to start the reciprocating extrusion mechanism to extrude air into the liquid storage frame, when the air pressure in the liquid storage frame is increased, lubricating oil in the liquid storage frame is extruded into the blanking through hole through the blanking pipe, then the lubricating oil is extruded out of the three-lobe rotor through the spraying head, when the three-lobe rotor rotates, the three-lobe rotor is automatically added according to the circulating operation, the flexibility of the three-lobe rotor in rotation is improved, the blocking force is prevented from being excessively large due to long-time windy and sunny days, the efficiency of a large megawatt wind driven generator in power generation is reduced, and the phenomenon that the wind driven generator is inclined due to the excessively large blocking force is prevented;
2. the invention simultaneously makes the periphery of the outer part of the three-lobe rotor contact with the outer part of the ball after the left side end of the three-lobe rotor passes through the inside of the connecting port, when the three-lobe rotor rotates, the ball is driven to rotate, the flexibility of the three-lobe rotor during rotation is increased by the rotation of the ball, the friction force of the three-lobe rotor during rotation is reduced, the resistance of the three-lobe rotor is prevented from being overlarge after lubrication disappears, the power generation efficiency is reduced, and the guarantee during rotation power generation is increased;
3. In the using process of the house frame, if faults occur, the house frame and the three-lobe rotor can be caused to vibrate severely, the monitoring accident prevention mechanism is triggered, signals are sent to an external control center, real-time monitoring is conducted on the house frame and the three-lobe rotor, guaranteeing performance in the using process is improved, accident resistance is improved, the problem that the house frame and the three-lobe rotor have unexpected faults in the using process is prevented, workers cannot find faults timely is solved, continuous work causes severity of the faults, the subsequent maintenance cost is increased, and the stability performance in the using process is not high enough.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a three-lobe rotor of a large megawatt wind turbine of the present invention;
FIG. 2 is a schematic diagram of the lower end of the left side inside a liquid storage frame 5 in a three-lobe rotor house of a large megawatt wind driven generator;
FIG. 3 is a schematic view of a reciprocating extrusion mechanism in a three-lobe rotor of a large megawatt wind turbine of the present invention;
FIG. 4 is an enlarged schematic view of the three-lobe rotor of the large megawatt wind turbine of the present invention at A in FIG. 1;
FIG. 5 is an enlarged schematic view of the three-lobe rotor of the large megawatt wind turbine of the present invention at B in FIG. 1;
FIG. 6 is a schematic diagram of a mechanism for monitoring and preventing accidents in a three-lobe rotor house of a large megawatt wind turbine of the invention.
In the figures 1 to 6, 1, a house frame, 2, a fixed shaft sleeve, 3, a three-flap rotor, 4, a movable cylinder, 5, a liquid storage frame, 6, a fixed sleeve, 7, a blanking pipe, 8, a connecting through hole, 9, a mounting notch, 10, a liquid level controller, 11, an extrusion air bag, 12, a first movable top block, 13, a movable through hole, 14, a movable top rod, 15, a connecting air pipe, 16, a reciprocating extrusion mechanism, 17, a ball, 18, a spraying head, 19, a blanking through hole, 20, a mounting spring, 21, a movable inclined block, 22, a pushing inclined block, 23, a pushing mechanism, 24, a monitoring frame, 25, a storage battery, 26, an elastic mounting rope, 27, a blade, 28, a connecting rope, 29, a second movable top block, 30, a pulling spring, 31, a touch switch, 32, a signal transmitter and 33 are arranged.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the invention provides a technical scheme that a three-lobe rotor house of a large megawatt wind driven generator comprises a house frame 1, wherein a three-lobe rotor 3 is arranged in the middle of an inner cavity of the house frame 1, a liquid storage frame 5 is arranged at the upper end of the left side of the inner cavity of the house frame 1, a movable cylinder 4 is arranged in the middle of the right side of the liquid storage frame 5, a reciprocating extrusion mechanism 16 is arranged in the movable cylinder 4, a pushing mechanism 23 is arranged at the bottom end of the reciprocating extrusion mechanism 16 and the upper end of the three-lobe rotor 3, a connecting port 8 is arranged in the middle of the left side of the house frame 1, and a spraying head 18 is arranged in the middle of the upper end of the inner cavity of the connecting port 8.
The reciprocating extrusion mechanism 16 comprises an extrusion air bag 11, a first movable top block 12, a movable through hole 13, a movable top rod 14 and a connecting air pipe 15, wherein the first movable top block 12 is arranged at the bottom end of an inner cavity of the movable cylinder 4, the extrusion air bag 11 is arranged at the upper end of the first movable top block 12 and the upper end of the inner cavity of the movable cylinder 4, the connecting air pipe 15 is arranged at the upper end of the left side of the extrusion air bag 11, the left end of the connecting air pipe 15 penetrates through the movable cylinder 4 and is connected with the upper end of the right side of the liquid storage frame 5, the movable top rod 14 is arranged at the bottom end of the first movable top block 12, the movable through hole 13 is formed in the middle of the bottom end of the movable cylinder 4, so that the movable top block 12 is driven to move upwards to extrude the extrusion air bag 11, when the air pressure inside the liquid storage frame 5 is increased through the connecting air pipe 15, lubricating oil inside the liquid storage frame 5 is extruded into the blanking through the blanking pipe 19 through the blanking pipe 7, and then the lubricating oil is extruded outside the three-lobe 3 through the head 18, when the three-lobe 3 rotates automatically, the three-rotor rotates, the high-cycle efficiency is prevented from being greatly reduced, and the wind power generator is prevented from being blocked when the three-day-cycle wind power generation is greatly increased, and the wind power generation is prevented from being blocked when the wind power generation is greatly caused.
The movable cylinder 4 overlooks and is circular structure, the cross section of the house frame 1 is concave structure, the side view of the house frame 1 is circular structure, the upper end of the middle part of the right side of the liquid storage frame 5 and the upper end of the middle part of the left side of the movable cylinder 4 are both provided with connecting through holes in the relative positions of the connecting air pipes 15, and thus the connecting air pipes 15 are convenient to install and fix through the connecting through holes.
The first movable top block 12 is in a circular structure in overlooking, the periphery of the outer part of the first movable top block 12 and the periphery of the inner part of the movable cylinder 4 are polished, the extrusion air bag 11 is made of synthetic rubber materials, and the upper end of the middle part of the left side of the extrusion air bag 11 is provided with a mounting through hole, so that the service life of the extrusion air bag 11 during use is prolonged through the synthetic rubber materials.
The middle part of the inner cavity of the room frame 1 and the middle part of the three-lobe rotor 3 are provided with fixed shaft sleeves 2, the side view of the fixed shaft sleeves 2 is of a round structure, the middle part of the outer side of the liquid storage frame 5 and the upper end of the middle part of the left side of the inner cavity of the room frame 1 are provided with fixed sleeves 6, and thus the three-lobe rotor 3 is fixed through the fixed sleeves 6.
The pushing mechanism 23 comprises a mounting spring 20, a movable inclined block 21 and a pushing inclined block 22, the bottom end of the movable ejector rod 14 penetrates through the movable cylinder 4 to be provided with the movable inclined block 21, the left side of the upper end of the three-lobe rotor 3 is provided with the pushing inclined block 22 at the opposite position of the movable inclined block 21, the inclined plane of the upper end of the rear side of the pushing inclined block 22 is contacted with the inclined plane of the lower end of the front side of the movable inclined block 21, the upper end of the movable inclined block 21 is provided with the mounting spring 20 with the bottom end of the movable cylinder 4, and therefore when the three-lobe rotor 3 rotates, the pushing inclined block 22 is driven to rotate, the inclined planes of the movable inclined block 21 are contacted when the pushing inclined block 22 rotates to the opposite position of the movable inclined block 21, the movable ejector rod 14 is pushed to move upwards, the mounting spring 20 is extruded, and the movable inclined block 21 and the movable ejector rod 14 are driven to reset by the mounting spring 20 after extrusion.
The outer periphery of the movable inclined block 21 and the pushing inclined block 22 are polished, the installation spring 20 is made of spring steel, and the movable ejector rod 14 is positioned in the middle of the installation spring 20, so that the elasticity and the service life of the installation beach spring 20 in use are increased through the spring steel 20.
The middle part of the bottom end of the liquid storage frame 5 and the middle part of the left side of the inner cavity of the room frame 1 are provided with a blanking pipe 7 at the upper end of the connecting port 8, and the left side of the inner cavity of the room frame 1 is provided with a blanking port 19 at the opposite position of the upper end of the spraying head 18 and the blanking pipe 7, so that lubricating oil is added into the spraying head 18 through the blanking pipe 7 and the blanking port 19.
The liquid storage frame 5 bottom is and covers the bucket type structure, liquid storage frame 5 upper end is the arc structure, installation notch 9 has been seted up to liquid storage frame 5 inner chamber left side middle part lower extreme, the inside liquid level controller 10 that is provided with of installation notch 9, liquid level controller 10 passes through wire and outside control center electric connection, and after liquid in liquid storage frame 5 inside reduces like this, will trigger liquid level controller 10 and start control center, tell the staff needs timely interpolation, prevents that the liquid from running out can't timely discovery from adding.
The connection port 8 is in a round structure in side view, a plurality of balls 17 are arranged on two sides of the inside of the connection port 8, mounting round ports are formed in the periphery of the inner cavity of the connection port 8 at the relative positions of the balls 17, the balls 17 are distributed in a side view ring shape, the monitoring accident prevention mechanism 33 comprises a monitoring frame 24, a storage battery 25, an elastic mounting rope 26, a blade 27, a connecting rope 28, a second movable jacking block 29, a pulling spring 30, a touch switch 31 and a signal emitter 32, the middle part of the left side of the bottom end of the inner cavity of the room frame 1 is provided with the monitoring frame 24, the right side of the outer part of the monitoring frame 24 is provided with the signal emitter 32, the signal emitter 32 is in wireless connection with an external control center, the right side of the inner cavity of the monitoring frame 24 is provided with the touch switch 31, the touch switch 31 is electrically connected with the signal emitter 32 through a wire, the middle part of the inner cavity of the monitoring frame 24 is provided with a second movable top block 29, the right side of the second movable top block 29 and the right side of the inner cavity of the monitoring frame 24 are provided with a pulling spring 30, the pulling spring 30 is in a stretching state, the left side of the middle part of the left side of the inner cavity of the monitoring frame 24 and the left side of the middle part of the upper end of the inner cavity of the monitoring frame 24 are provided with elastic mounting ropes 26, the middle part of the left side of the second movable top block 29 and the middle part of the left side of the inner cavity of the monitoring frame 24 are provided with connecting ropes 28, the middle part of the left side of the elastic mounting ropes 26 is provided with a blade 27, the left side of the bottom end of the inner cavity of the monitoring frame 24 is provided with a storage battery 25, the storage battery 25 is respectively electrically connected with a signal emitter 32 and a touch switch 31 through wires, so that after the left side end of the three-lobe rotor 3 passes through the connecting port 8, the outer periphery of the three-lobe rotor 3 is contacted with the ball 17, when the three-lobe rotor 3 rotates, the flexibility of the three-lobe rotor 3 in rotation is improved through the rotation of the ball 17, the friction force of the three-lobe rotor 3 in rotation is reduced, the three-lobe rotor 3 is prevented from being excessively large in resistance after lubrication disappears, the power generation efficiency is reduced, and the guarantee in rotation power generation is improved.
Working principle: according to the invention, when the three-petal rotor 3 rotates, the pushing inclined block 22 is driven to rotate, when the pushing inclined block 22 rotates to the relative position of the movable inclined block 21, the inclined surface of the movable inclined block 21 contacts with the inclined surface of the movable ejector rod 14, the movable inclined block 21 and the movable ejector rod 14 are pushed to move upwards, the mounting spring 20 is convenient to drive the movable inclined block 21 and the movable ejector rod 14 to reset in the later stage, when the movable ejector rod 14 moves upwards, the first movable ejector block 12 is driven to move upwards to extrude the extrusion air bag 11, air is extruded into the liquid storage frame 5 through the connecting air pipe 15, when the air pressure in the liquid storage frame 5 is increased, lubricating oil in the liquid storage frame 5 is extruded into the blanking through the blanking pipe 19 through the blanking pipe 7, and then the lubricating oil is extruded out of the three-petal rotor 3 through the spraying head 18, when the three-petal rotor 3 rotates, the mounting spring 20 is automatically added in a circulating mode, the flexibility of the three-petal rotor 3 in rotation is improved, the blocking force caused by long-time wind insolation is prevented from being excessively large, the efficiency of a large megawatt wind power generator in the time is reduced, and the situation of generating vibration caused by excessively large blocking force is prevented from occurring when the wind power generator is generated.
Meanwhile, after the left side end of the three-lobe rotor 3 passes through the connecting port 8, the periphery of the outer part of the three-lobe rotor 3 is contacted with the outer part of the ball 17, when the three-lobe rotor 3 rotates, the ball 17 is driven to rotate, the flexibility of the three-lobe rotor 3 in rotation is increased through the rotation of the ball 17, the friction force of the three-lobe rotor 3 in rotation is reduced, the resistance of the three-lobe rotor 3 after lubrication disappears is prevented from being too large, the power generation efficiency is reduced, and the guarantee in rotation power generation is increased.
And in the use of house frame 1, if break down, will make house frame 1 and three-lobe rotor 3 take place violently vibration, and drive blade 27 vibration through elasticity installation rope 26, when through elasticity installation rope 26 self, drive blade 27 frequent vibration and connecting rope 28 contact, and cut off connecting rope 28 through blade 27, make second movable kicker 29 lose the holding power, through being tensile state's labor spring 30, drive second movable kicker 29 to the right side, make second movable kicker 29 right side and touch switch 31 contact, and start signal transmitter 32 through touch switch 31, and carry out real-time supervision to house frame 1 and three-lobe rotor 3 through signal transmitter 32, increase the guarantee nature in the use, and increase the unexpected ability of resisting, prevent that house frame 1 and three-lobe rotor 3 from taking place unexpected trouble when using, and the staff can not in time discover the trouble problem, and continuous work not only cause the severity of trouble, can also cause the maintenance to make, in the follow-up maintenance can also increase in the cost stable in the course of performance that can not be used stably.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.