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CN-121973922-A - Energy-saving rotary air duct for ship

CN121973922ACN 121973922 ACN121973922 ACN 121973922ACN-121973922-A

Abstract

The invention discloses an energy-saving rotary air duct for a ship, and relates to the technical field of rotary air ducts. Comprises a rotary cylinder, a bottom cylinder, a lifting mechanism and a driving mechanism. The lifting mechanism comprises a follower plate, a guide shaft, a pressurizing unit and a sliding chamber, wherein one end of the guide shaft is connected with the follower plate, and the other end of the guide shaft is provided with a lifting plate sliding in the sliding chamber. The pressurizing unit comprises a pressurizing chamber, a reciprocating piece and a pressurizing piece, wherein the inlet of the pressurizing chamber is connected with the liquid supply system, the outlet of the pressurizing chamber is connected with the sliding chamber, and the outlet of the sliding chamber is connected with the liquid supply system. The pressurizing member can drive the reciprocating member to reciprocate in the pressurizing chamber, and hydraulic oil is pumped into the sliding chamber to push the rotary cylinder to ascend. When the rotary cylinder descends, the high-pressure oil flows back to drive the hydraulic motor in the liquid supply system to rotate, so that the generator is driven to generate electricity, and the electric energy is stored in the shipborne storage battery. The invention integrates lifting, rotating and energy recovery functions, realizes the efficient recovery and utilization of energy in the lifting process of the rotary cylinder, and remarkably improves the energy utilization efficiency of ships.

Inventors

  • WANG XIAOAN
  • SU GUOMING
  • WU RUI

Assignees

  • 江苏振华环保科技有限公司

Dates

Publication Date
20260505
Application Date
20260407

Claims (9)

  1. 1. The energy-saving rotary air duct for the ship comprises a liquid supply system and is characterized by comprising a rotary drum (1), a bottom drum (2), a lifting mechanism (3) and a driving mechanism (4), wherein the rotary drum (1) is slidably arranged on the bottom drum (2), and the rotary drum (1) is connected with the output end of the driving mechanism (4); The lifting mechanism (3) comprises a follow-up plate (31), a guide shaft (32), a pressurizing unit and a sliding chamber (33), wherein the follow-up plate (31) is rotatably installed on the rotary cylinder (1), one end of the guide shaft (32) is installed on the follow-up plate (31), the other end of the guide shaft (32) is provided with a lifting plate (34), the sliding chamber (33) is arranged on the bottom cylinder (2), and the lifting plate (34) slides in the sliding chamber (33); The pressurizing unit comprises a pressurizing chamber (35), a reciprocating piece (36) and a pressurizing piece (37), wherein the pressurizing chamber (35) is arranged on the bottom cylinder (2), an inlet of the pressurizing chamber (35) is connected with the liquid supply system, an outlet of the pressurizing chamber (35) is connected with an inlet of the sliding chamber (33), an outlet of the sliding chamber (33) is connected with the liquid supply system, the reciprocating piece (36) is slidably arranged in the pressurizing chamber (35), a reset piece is connected between the reciprocating piece (36) and the pressurizing chamber (35), and the pressurizing piece (37) is arranged at an output end of the driving mechanism (4).
  2. 2. The energy-saving rotary air drum for the ship according to claim 1, wherein the driving mechanism (4) comprises a driving source (41), a driving shaft (42) and a connecting shaft (43), the driving source (41) is arranged on the bottom drum (2), the output end of the driving source (41) is connected with the driving shaft (42), the driving shaft (42) is connected with the connecting shaft (43) through a first one-way piece, and the connecting shaft (43) is connected with the rotary drum (1) through a guide assembly; the pressurizing piece (37) comprises a rotating plate (371), a connecting plate (372) and a roller (373), wherein the rotating plate (371) is installed on the driving shaft (42) through a second one-way piece, the connecting plate (372) is installed on the rotating plate (371), and the roller (373) is installed on the connecting plate (372) in a rotating mode.
  3. 3. The energy-saving rotary air duct for ships according to claim 2, wherein the guide assembly comprises a fixed plate (44), the fixed plate (44) is arranged on the rotary air duct (1), and the middle part of the fixed plate (44) is in sliding connection with the connecting shaft (43) through a spline.
  4. 4. The energy-saving rotary air duct for the ship according to claim 3, wherein the pressurizing chamber (35) is provided with a liquid inlet (351) and a liquid outlet (352), the liquid inlet (351) is connected with a liquid supply system through a pipeline, the liquid outlet (352) is connected with the sliding chamber (33) through a pipeline, and a one-way valve and a flowmeter are arranged in the liquid inlet (351) and the liquid outlet (352); and the outlets of the sliding chambers (33) are provided with electromagnetic valves, balance valves and pressure gauges.
  5. 5. The energy-saving rotary air duct for the ship according to claim 1, wherein the guide shaft (32) is provided with a plurality of locking grooves (321) at intervals along the axial direction, a locking piece (322) is arranged on the bottom cylinder (2) opposite to the locking grooves (321), the locking piece (322) is electrically connected with the control system, a locking pin is arranged at the output end of the locking piece (322), the locking pin is slidably arranged on the bottom cylinder (2), and the locking pin and the locking grooves (321) are arranged in a matched manner; and the guide shaft (32) is provided with a ranging element, and the ranging element is electrically connected with the control system.
  6. 6. The energy-saving rotary air duct for a ship according to claim 1, wherein the reciprocating member (36) comprises a piston rod (361) and a roller seat (362), the piston rod (361) is slidably mounted in the pressurizing chamber (35), the roller seat (362) is mounted at the outer end of the piston rod (361), and the restoring member connects the piston rod (361) and the pressurizing chamber (35).
  7. 7. The energy-saving type rotating air duct for a ship according to claim 6, wherein the roller seat (362) has an arc-shaped plate-shaped structure.
  8. 8. The energy-saving rotary air duct for ships according to claim 1, wherein a heating element, a temperature measuring element and a humidity sensor are arranged in the rotary air duct (1), and the heating element and the temperature measuring element are electrically connected with a control system.
  9. 9. The energy-saving rotary air duct for ships according to claim 1, wherein the lifting plate (34) and the sliding chamber (33) are provided with buffer members on opposite sides, and an elastic member is connected between the two buffer members.

Description

Energy-saving rotary air duct for ship Technical Field The invention relates to the technical field of rotary air cylinders, in particular to an energy-saving rotary air cylinder for a ship. Background ‌ The rotating wind drum is used as a ship energy-saving device for generating auxiliary thrust by utilizing the Magnus effect, and is increasingly paid attention to in modern shipping. In order to adapt to different sailing conditions, for example, by limiting the height of a bridge or coping with severe sea conditions, the rotary air duct is usually required to have a lifting function so as to adjust the working height thereof. In the prior art, the lifting mechanism of the rotary air duct is driven by an independent hydraulic system, and the rotary air duct is driven to ascend or descend by an execution element such as a hydraulic cylinder, so that the whole structure is large, thereby occupying valuable space on a deck and increasing the dead weight and maintenance cost of the system. Disclosure of Invention The invention aims to provide an energy-saving rotary air duct for a ship, which aims to solve the problems in the prior art. In order to achieve the above purpose, the present invention provides the following technical solutions: the energy-saving rotary air duct for the ship comprises a liquid supply system, wherein the liquid supply system comprises a rotary drum, a bottom drum, a lifting mechanism and a driving mechanism, the rotary drum is slidably arranged on the bottom drum, and the rotary drum is connected with the output end of the driving mechanism; The lifting mechanism comprises a follow-up plate, a guide shaft, a pressurizing unit and a sliding chamber, wherein the follow-up plate is rotatably arranged on the rotary cylinder, one end of the guide shaft is arranged on the follow-up plate, the other end of the guide shaft is provided with the lifting plate, the sliding chamber is arranged on the bottom cylinder, and the lifting plate slides in the sliding chamber; The pressurizing unit comprises a pressurizing chamber, a reciprocating piece and a pressurizing piece, wherein the pressurizing chamber is arranged on the bottom cylinder, an inlet of the pressurizing chamber is connected with the liquid supply system, an outlet of the pressurizing chamber is connected with an inlet of the sliding chamber, an outlet of the sliding chamber is connected with the liquid supply system, the reciprocating piece is slidably arranged in the pressurizing chamber, a reset piece is connected between the reciprocating piece and the pressurizing chamber, and the pressurizing piece is arranged at an output end of the driving mechanism. The liquid supply system has the functions of storage, transportation and energy recovery. When the rotary cylinder descends, the hydraulic motor in the liquid supply system is driven to rotate by high-pressure oil in a backflow mode, the hydraulic motor drives the generator in the liquid supply system to generate electricity, and the generated electric energy is stored in the shipborne storage battery and used for supplying the control system, the sensor or the deck of the rotary cylinder to illuminate, so that energy conservation is achieved. The driving mechanism comprises a driving source, a driving shaft and a connecting shaft, wherein the driving source is arranged on the bottom cylinder, the output end of the driving source is connected with the driving shaft, the driving shaft is connected with the connecting shaft through a first unidirectional piece, and the connecting shaft is connected with the rotary cylinder through a guide component; The pressurizing piece comprises a rotating plate, a connecting plate and a roller, wherein the rotating plate is arranged on the driving shaft through a second unidirectional piece, the connecting plate is arranged on the rotating plate, and the roller is rotatably arranged on the connecting plate. The first unidirectional piece and the second unidirectional piece are unidirectional bearings, and the first unidirectional piece and the second unidirectional piece are mirror images, so that only one of the connecting shaft and the rotating plate is in a working state. When the roller wheel follows the rotation plate to rotate, the roller wheel can reduce the impact on the reciprocating piece and prolong the service life of the reciprocating piece. The guide assembly comprises a fixed plate, the fixed plate is arranged on the rotary cylinder, and the middle part of the fixed plate is in sliding connection with the connecting shaft through a spline. After the rotary cylinder moves upwards or downwards, the rotary cylinder drives the fixed plate to move along with the rotary cylinder, and the fixed plate slides upwards or downwards on the connecting shaft through the spline. When the rotary cylinder and the fixed plate rotate, the follow-up plate does not rotate along with the rotary cylinder. The pressurizing chamber is provided with a l