Sail inversion mast device
The control system, consisting of a motor, hydraulic pump, and gearbox, combined with limit blocks and sliding bearings, solves the problem of adjusting the windward angle and lowering the sail mast on a ship, achieving controllable rotation and safe lowering, and meeting the needs of various operating conditions on the ship.
Patent Information
- Application Number
- CN202423019443.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-09
AI Technical Summary
In ship design, it is challenging to adjust the angle of attack of the mast of the sail system when the ship's sailing direction and wind direction change, while also being able to lay it down in calm winds and at rest, and controlling the rotation speed and starting and stopping during the rotation process.
The control system, consisting of a motor, hydraulic pump, and gearbox, uses hydraulic drive and gear meshing, combined with limit blocks and sliding bearings, to achieve the mast's rotation and lowering functions, ensuring that the rotation process is controllable and safe.
It enables controllable rotation and lowering of the mast angle, ensuring equipment safety, avoiding the risk of personnel injury, and meeting the needs of calm winds and emergency avoidance.
Smart Images

Figure CN223631780U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the field of offshore ship design and construction, and particularly relates to a wind sail reverse mast device. BACKGROUND
[0002] Under the background of green ship energy saving and emission reduction, the wind sail boosting device has become a mainstream wind energy boosting equipment, which provides clean energy auxiliary power for the ship.
[0003] The main deck space of the ship where the wind sail is located is valuable, and how to put down the mast under the conditions of maintenance, calm wind and necessary working conditions (helicopter landing avoidance) is the difficulty of the present application.
[0004] The wind sail device needs to horizontally rotate the mast according to the sailing direction of the ship and the wind direction, so as to adjust the windward angle of the wind sail. How the mast rotates and is relatively stationary with the main deck, and how to control the rotation speed and start and stop, are the difficulties of the present application.
[0005] Therefore, a device suitable for the wind sail mast of the ship is provided, which makes the mast have the functions of rotation and putting down. From the layout of the main deck, it is more reasonable to put down the mast to the side after rotation. SUMMARY
[0006] To solve the above problems, the present application provides a wind sail reverse mast device, which adopts the technical scheme of:
[0007] A wind sail reverse mast device, two sleeves are fixed at the bottom of the mast, a limiting block is arranged between the two sleeves, the reverse mast shaft is fixed at both ends through the limiting block and the sleeve after passing through the limiting block and the sleeve, and the sleeve is movably connected with the reverse mast shaft through a sliding bearing; the mast is fixed on the main deck through a bottom column, the bottom column is fixed at the bottom of the main deck, a flange is fixed at the top of the bottom column, the flange is composed of an inner flange and an outer flange, the inner flange is movably connected with the outer flange, the bottom column is fixedly connected with the inner flange, and the limiting block is fixedly connected with the outer flange.
[0008] A first eye plate is arranged at the root of the limiting block, a second eye plate is arranged at the bottom of the mast, and a hydraulic column is arranged between the first eye plate and the second eye plate, the hydraulic column is connected with a hydraulic inlet pipe and a hydraulic outlet pipe at the bottom, and the other ends of the hydraulic inlet pipe and the hydraulic outlet pipe are connected with a hydraulic pump through a control console.
[0009] The wind sail reverse mast device further comprises an inner bearing and an outer bearing, the inner bearing is nested in the outer bearing, a ball is arranged between the inner bearing and the outer bearing, the inner bearing is rotatable relative to the outer bearing, the reverse mast shaft is fixedly connected with the inner bearing, and the sleeve is fixedly connected with the outer bearing.
[0010] The wind sail reverse mast device further comprises a motor arranged in the inner part of the bottom column, the motor is connected with the hydraulic pump and drives the hydraulic pump.
[0011] The sail boom device further comprises a fixed pin hole arranged above the boom shaft and on the limiting block and the mast, and a pin shaft penetrating through the fixed pin hole to fix the mast and the limiting block.
[0012] The sail boom device further comprises a hydraulic pump fixed on the outer flange.
[0013] The sail boom device further comprises a gearbox fixed on the upper surface of the outer flange, a gear set arranged at the bottom of the gearbox, and a rack embedded in the inner surface of the inner flange, wherein the rack teeth are engaged with two planetary gears, and the gear set is engaged with the planetary gears.
[0014] The sail boom device further comprises an inlet pipe and an outlet pipe connecting the gearbox with the control console.
[0015] The sail boom device has the following advantages:
[0016] 1. The motor, the hydraulic pump and the gearbox are driven by hydraulic pressure, the gear of the gearbox is engaged with the inner rack of 1.3.1 through the gear, and the control system can be stopped at any time during rotation.
[0017] 2. The gearbox and the hydraulic system of the sail boom device ensure that the rotation rate is controllable, the device can rotate at a low speed, the reaction time for personnel emergency avoidance is reserved, and the safety hazard of personnel being hit by objects during device operation is avoided.
[0018] 3. The 1.7 T-shaped limiting block of the sail boom device can limit the angle range of the mast to 0~90°, and the maximum angle is vertical. The limiting pin is added to ensure that the mast does not lean backward, and the limiting pin is fixed after the mast reaches the vertical position to avoid angle deviation.
[0019] 4. The sail boom device uses sliding bearings to solve the contradiction between the rotation of the mast and the relative static state of the sail and the main deck. DETAILED DESCRIPTION
[0020] Figure 1 is a structural schematic view of the connection between the limiting block and the mast;
[0021] Figure 2 is a side view structural schematic view of the sail boom device;
[0022] Figure 3 is a structural schematic view of the connection between the gear set, the planetary gear and the inner flange;
[0023] Wherein, 1-mast, 2-inverted mast shaft, 3-sleeve, 4-limiting block, 5-limiting nut, 6-bottom column, 7-first eye plate, 8-second eye plate, 9-inner flange, 10-outer flange, 11-gearbox, 12-control console, 13-motor, 14-hydraulic pump, 15-hydraulic column, 16-hydraulic inlet pipe, 17-hydraulic outlet pipe, 18-inlet pipe, 19-outlet pipe, 20-gear set, 21-planetary gear, 22-fixing pin hole. DETAILED DESCRIPTION
[0024] The application is further described in conjunction with the drawings.
[0025] A sail inverted mast device, the bottom of the mast is fixed with two sleeves, a limiting block is arranged between the two sleeves, the inverted mast shaft passes through the limiting block and the sleeve, and the two ends are fixedly connected with the limiting nuts in a threaded mode, and the sleeve is movably connected with the inverted mast shaft through a sliding bearing; the mast is fixed on the main deck through a bottom column, the bottom column is fixed on the main deck at the bottom, a flange is fixed on the top of the bottom column, the flange is composed of an inner flange and an outer flange, the inner flange is movably connected with the outer flange, the bottom column is fixedly connected with the inner flange, and the limiting block is fixedly connected with the outer flange. The outer flange and the inner flange are in contact through a round steel column of the sliding bearing, sliding friction is realized, and the round steel column is an annular round steel.
[0026] A first eye plate is arranged at the root of the limiting block, a second eye plate is arranged at the bottom of the mast, a hydraulic column is arranged between the first eye plate and the second eye plate, the hydraulic column is connected with a hydraulic inlet pipe and a hydraulic outlet pipe at the bottom, and the other ends of the hydraulic inlet pipe and the hydraulic outlet pipe are connected with a hydraulic pump through a control console. The hydraulic pump controls the extension and retraction of the hydraulic column, so that the inverted mast function is realized.
[0027] Fixing pin holes are arranged above the inverted mast shaft, the limiting block and the mast, a pin shaft passes through the fixing pin holes, the mast and the limiting block are fixed, the vertical position of the mast can be fixed, and angular displacement does not occur.
[0028] The reinforcement is arranged below the main deck and is in alignment with the bottom column, so that the strength of the equipment is ensured. The reinforcement is arranged below the motor and is welded on the main deck, so that space is provided for heat dissipation at the bottom of the motor.
[0029] The bottom column is a cylindrical steel pipe, the motor is arranged in the bottom column, and is raised to the upper surface of the outer flange through a transmission shaft, is connected with the hydraulic pump, and is connected with the control console through a hydraulic pipe. The control console is connected with the gearbox through the inlet pipe and the outlet pipe.
[0030] The gearbox is fixed through a bolt and a nut, and successively passes through screw holes of the gearbox, a gearbox flange and the outer flange.
[0031] The lower opening of the gearbox flange is welded with the upper surface of the outer flange, the gearbox is fixed, and vertical support is provided.
[0032] Gear set in the bottom of gearbox is responsible for gear shifting function, after gear shifting, it engages with a planetary gear, two planetary gears engage with the inner rack, gearbox drive gear set, under the drive of planetary gear, it moves around the inner rack in the circumference of inner flange.
[0033] Sliding bearing is bolted with outer flange, and vertically supports outer flange. Inner flange is connected with the round steel column of sliding bearing, and provides vertical support of sliding bearing through sliding friction contact. Glycerin injection port injects glycerin lubrication into round steel column. Inner flange sits on bottom column, and is fixed through bolt and nut. Inner flange and bottom column are stationary, and outer flange is driven by gearbox to rotate with limit block and mast.
[0034] To prevent hydraulic oil leakage, seal is added at the weld between gearbox and gearbox flange, at the weld between outer flange and inner flange, and at the weld between bottom column and inner flange.
Claims
1. A sail inverting mast apparatus, characterized by, The mast bottom is fixed with two sleeves, a limiting block is arranged between the two sleeves, the mizzen shaft passes through the limiting block and the sleeves, and the two ends are fixed with limiting nuts in threaded connection, the sleeves are movably connected with the mizzen shaft through sliding bearings; the mast is fixed on the main deck through a bottom column, the bottom column bottom is fixed on the main deck, the bottom column top is fixed with a flange, the flange is composed of an inner flange and an outer flange, the inner flange is movably connected with the outer flange, the bottom column is fixedly connected with the inner flange, and the limiting block is fixedly connected with the outer flange; A first eye plate is arranged at the limiting block root, a second eye plate is arranged at the mast bottom, a hydraulic column is arranged between the first eye plate and the second eye plate, the hydraulic column bottom is connected with a hydraulic inlet pipe and a hydraulic outlet pipe, and the other ends of the hydraulic inlet pipe and the hydraulic outlet pipe are connected with a hydraulic pump through a control console.
2. A sail inverting mast apparatus according to claim 1, wherein, The sliding bearing is composed of an inner bearing and an outer bearing, the inner bearing is nested in the outer bearing, balls are arranged between the inner bearing and the outer bearing, the inner bearing is rotatable relative to the outer bearing, the mizzen shaft is fixedly connected with the inner bearing, and the sleeve is fixedly connected with the outer bearing.
3. A sail inverting mast apparatus according to claim 1, wherein, A motor is arranged in the bottom column, the motor is connected with the hydraulic pump to drive the hydraulic pump.
4. A sail inverting mast apparatus according to claim 1, wherein, Fixing pin holes are arranged above the mizzen shaft, on the limiting block and on the mast, and a pin shaft passes through the fixing pin holes to fix the mast and the limiting block.
5. A sail inverting mast apparatus according to claim 1, wherein, The hydraulic pump is fixed on the outer flange.
6. A sail inverting mast apparatus according to claim 1, wherein, A gearbox is fixed on the outer flange upper surface, the gearbox bottom is provided with a gear set, a rack is embedded in the inner surface of the inner flange, the rack is toothed with two planetary gears, and the gear set is toothed with the planetary gears.
7. A sail inverting mast apparatus according to claim 1, wherein, The gearbox is connected with the control console through the inlet pipe and the outlet pipe.