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CN-121993549-A - Reducing flywheel and air cushion flywheel energy storage device

CN121993549ACN 121993549 ACN121993549 ACN 121993549ACN-121993549-A

Abstract

The invention relates to the technical field of flywheel energy storage, in particular to a reducing flywheel and air cushion flywheel energy storage device, wherein a high-strength adjusting piece is additionally arranged on the periphery of a flywheel main body to increase the diameter of the flywheel main body, the high-strength adjusting piece is extruded downwards away from the axis of the flywheel main body when the flywheel main body rotates through a matching support, so that the high-strength adjusting piece is connected with the flywheel main body more stably and reliably, the stable and reliable work is ensured, the high-strength adjusting piece is assembled and disassembled to adapt to different energy storage requirements, the air cushion flywheel energy storage device is provided with a pneumatic telescopic rod, the high-strength adjusting piece is driven to reciprocate along the extrusion direction by the telescopic action of the pneumatic telescopic rod, and the matching electromagnet is matched with or separated from the high-strength adjusting piece to realize the matching installation and disassembly of the flywheel main body, the operation difficulty is reduced, the flywheel diameter adjusting efficiency is improved, and the operation efficiency is further improved.

Inventors

  • LI HONGYUAN
  • ZHAO QIHUI
  • CHEN WEITANG
  • FENG DONG
  • JI HAIMIN

Assignees

  • 华能兰州热电有限责任公司
  • 西安热工研究院有限公司

Dates

Publication Date
20260508
Application Date
20260325

Claims (10)

  1. 1. The utility model provides a reducing flywheel, its characterized in that includes flywheel main part (14) and a plurality of high strength regulating part (16), a plurality of high strength regulating part (16) set up in the outside of flywheel main part (14) around the axis circumference interval of flywheel main part (14), high strength regulating part (16) dismantle with flywheel main part (14) through cooperation support (15) and be connected, cooperation support (15) drive high strength regulating part (16) and deviate from flywheel main part (14) axis and extrudeed downwards when flywheel main part (14) rotate.
  2. 2. The reducing flywheel according to claim 1, wherein the top of the flywheel main body (14) is provided with a matching chute (21), the matching chute (21) is obliquely arranged along the radial direction of the flywheel main body (14) from top to bottom and is opposite to the axis of the flywheel main body (14), the disassembly end of the matching bracket (15) is provided with an oblique block matched with the matching chute (21), the matching bracket (15) is positioned at the top of the flywheel main body (14), the connection end of the matching bracket (15) is connected with the top of the high-strength adjusting piece (16), and the high-strength adjusting piece (16) is sleeved outside the flywheel main body (14).
  3. 3. The reducing flywheel according to claim 1, wherein the high-strength adjusting member (16) is detachably connected to the flywheel main body (14) through a plurality of mating brackets (15), and the plurality of mating brackets (15) are arranged at equal intervals along the arc direction of the high-strength adjusting member (16).
  4. 4. An air cushion flywheel energy storage device, which is characterized by comprising the reducing flywheel according to any one of claims 1-3, and further comprising a main body protection shell (1), a rotating main shaft (12), an air bearing (20), a dismounting drive and a plurality of pneumatic telescopic rods (18); The utility model discloses a high-strength adjusting piece, including main part protective housing (1), main part protective housing (1) is connected with the main part protective housing (1), air supporting bearing (20) set up respectively in the opposite both sides of main part protective housing (1), rotatory main shaft (12) pass through air supporting bearing (20) coaxial setting with main part protective housing (1), flywheel main part (14) cover are established in the outside of rotatory main shaft (12) and are connected with rotatory main shaft (12), dismantle the outside that the drive is located main part protective housing (1), pneumatic telescopic link (18) set up with high-strength adjusting piece (16) one-to-one, the input of pneumatic telescopic link (18) meets with dismantling driven output, and the expansion end of pneumatic telescopic link (18) passes main part protective housing (1) and extends to the outside of high-strength adjusting piece (16) and dismantle with high-strength adjusting piece (16) and be connected, pneumatic telescopic link (18) with the extrusion direction homoenergetic setting of corresponding high-strength adjusting piece (16).
  5. 5. The air cushion flywheel energy storage device according to claim 4, wherein the disassembly drive comprises an air compressor (9), an air transmission ring (8) and a compressed air injection pipeline (10), the input end of the air transmission ring (8) is connected with the output end of the air compressor (9), the air compressor (9) is internally communicated with an air bearing (20) through the compressed air injection pipeline (10), electromagnetic valves (6) are arranged on the compressed air injection pipeline (10) and the air transmission ring (8), the output end of the air transmission ring (8) is communicated with the input end of a pneumatic telescopic rod (18), and the fixed end of the pneumatic telescopic rod (18) is arranged on the outer side of the main body protection shell (1) through a connecting bracket (7).
  6. 6. The air cushion flywheel energy storage device according to claim 5, wherein a control box (2) is arranged on the main body protection shell (1), and the control box (2) is respectively connected with an electromagnetic valve (6) and an air compressor (9) in a signal manner; The movable end of the pneumatic telescopic rod (18) is connected with a laminating plate (17), the laminating plate (17) is connected with the high-strength adjusting piece (16) in a detachable mode through an electromagnet (22), and the electromagnet (22) is electrically connected with the control box (2).
  7. 7. The air cushion flywheel energy storage device according to claim 6, further comprising a vacuum pump (5), wherein the vacuum pump (5) is communicated with the inside of the main body protection shell (1) through a connecting pipeline (11), an air pressure sensor (3) is arranged on the main body protection shell (1), and the air pressure sensor (3) and the vacuum pump (5) are in signal connection with the control box (2).
  8. 8. The air cushion flywheel energy storage device according to claim 4, wherein sealing end covers (4) are arranged on two sides of the outer side of the main body protection shell (1), opposite ends of the rotating main shaft (12) penetrate through the main body protection shell (1) and extend into the corresponding sealing end covers (4), and the rotating main shaft (12) is movably connected with the sealing end covers (4) through thrust bearings (19).
  9. 9. The air cushion flywheel energy storage device according to claim 8, wherein the lower end of the rotating main shaft (12) is sleeved with a synchronous stable sealing frame (23), the synchronous stable sealing frame (23) is located in the sealing end cover (4), and the synchronous stable sealing frame (23) is in sealing connection with the sealing end cover (4) through a flexible sealing sheet (24) and a labyrinth air seal (25).
  10. 10. The air cushion flywheel energy storage device according to claim 4, wherein a permanent magnet motor (13) is arranged in the main body protection shell (1), the permanent magnet motor (13) is sleeved on the outer side of the rotating main shaft (12) and is connected with the rotating main shaft (12), and the permanent magnet motor (13) is located above the flywheel main body (14).

Description

Reducing flywheel and air cushion flywheel energy storage device Technical Field The invention relates to the technical field of flywheel energy storage, in particular to a reducing flywheel and an air cushion flywheel energy storage device. Background The air cushion flywheel energy storage device is an efficient energy storage device adopting an air cushion bearing (an air bearing/an air bearing), the flywheel energy storage is an electromechanical energy conversion type physical energy storage technology, the flywheel is driven by a motor to rotate at a high speed to convert electric energy into rotational kinetic energy for storage, and during discharging, the flywheel is decelerated to drive a generator to generate electricity, so that the kinetic energy is restored to the electric energy. The energy storage support device has the characteristics of quick response, high efficiency, long service life, no pollution, no maintenance and the like, and is an important energy storage support technology in new energy and power systems. When the conventional air cushion flywheel energy storage device is used, the diameter and the weight of a flywheel are fixed, so that the diameter and the weight of the flywheel cannot be changed according to energy storage requirements, the actual use effect of flywheel energy storage equipment is further affected, and the actual use requirements cannot be met. Disclosure of Invention The invention aims to provide a variable-diameter flywheel and an air cushion flywheel energy storage device, which solve the technical problem that the flywheel size is not adjustable. The invention solves the technical problems as follows: The utility model provides a reducing flywheel, includes flywheel main part and a plurality of high strength regulating part, a plurality of high strength regulating part sets up in the outside of flywheel main part around the axis circumference interval of flywheel main part, and high strength regulating part is dismantled with the flywheel main part through the cooperation support and is connected, the cooperation support drives high strength regulating part and deviates from the flywheel main part axis and extrudees downwards when the flywheel main part is rotatory. Further limited, the cooperation chute has been seted up at the top of flywheel main part, cooperation chute is offered along flywheel main part radial direction top-down dorsad flywheel main part axis slope, the dismantlement end of cooperation support is provided with the slope piece that matches with cooperation chute, the cooperation support is located the top of flywheel main part, and the link of cooperation support is connected with the top of high strength adjusting part, the outside at the flywheel main part is established to the high strength adjusting part cover. Further limited, the high strength adjusting member is detachably connected with the flywheel main body through a plurality of matching brackets, and the matching brackets are arranged at equal intervals along the arc direction of the high strength adjusting member. The air cushion flywheel energy storage device comprises the reducing flywheel, a main body protecting shell, a rotating main shaft, an air bearing, a dismounting drive and a plurality of pneumatic telescopic rods; The utility model discloses a high-strength adjusting piece, including main body protective housing, flywheel main body, pneumatic telescoping rod, main body protective housing, air bearing, flywheel main body, pneumatic telescoping rod and high-strength adjusting piece, the air bearing sets up in the relative both sides of main body protective housing respectively, rotatory main shaft passes through the air bearing and sets up with main body protective housing is coaxial, the flywheel main body cover is established in the outside of rotatory main shaft and is connected with rotatory main shaft, the dismantlement drive is located the outside of main body protective housing, pneumatic telescoping rod's input meets with the output of dismantlement drive, pneumatic telescoping rod's movable end passes the main body protective housing and extends to the outside of high-strength adjusting piece and dismantle with high-strength adjusting piece and be connected, pneumatic telescoping rod and the equidirectional setting of extrusion direction that corresponds high-strength adjusting piece. Further limited, dismantle the drive and include air compressor, gas transmission ring and compressed air injection pipeline, the input of gas transmission ring is connected with air compressor's output, and air compressor passes through compressed air injection pipeline and the inside intercommunication of air supporting bearing, all be provided with the solenoid valve on gas transmission ring and the gas transmission ring, the output of gas transmission ring communicates with the input of pneumatic telescopic link, the stiff end of pneumatic telescopic link is through conn