CN111439345A

CN111439345A - Anti-rolling seat for ship

Info

Publication number: CN111439345A
Application number: CN202010437201.3A
Authority: CN
Inventors: 杜丁; 黄俊杰; 张雷; 刘良; 田溪源; 雷盼雲; 郑明明
Original assignee: Qingdao Gugugukou Military Civilian Integration Ship Equipment Technical Support Co ltd; Qingdao Port International Co Ltd
Current assignee: Qingdao Gugugukou Military Civilian Integration Ship Equipment Technical Support Co ltd; Qingdao Port International Co Ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-07-24

Abstract

The invention discloses a marine anti-rolling seat which comprises a seat, a control mechanism and an anti-rolling mechanism, wherein the seat is provided with a plurality of connecting rods; the seat is arranged at the top end of the anti-rolling mechanism, and the anti-rolling mechanism correspondingly rotates around a transverse shaft and a longitudinal shaft of the seat under the control of the control mechanism according to the real-time posture information of the seat, so that the sitting surface of the seat is always horizontal to the horizontal plane. The invention can realize automatic stabilization of the seat, so that the seating surface of the seat is always horizontal to the horizontal plane.

Description

Anti-rolling seat for ship

Technical Field

The invention relates to the technical field of seats, in particular to a marine anti-rolling seat.

Background

At present, a tugboat which is responsible for towing a ten-thousand-ton cargo ship at a port has the characteristics of strong self power and small self weight. During operation, the ship body swings strongly, and drivers and turbine room workers can feel dizzy and waist fatigue in the weather of stormy waves, so that the health and the working efficiency of the ship are seriously affected.

The driver reflects that in an environment with large waves, the swing range of the ship body is large, and the driver needs to lean against the waist to bend the upper half of the body sideways, so that the balance of the body is maintained. Because the human spine physiological structure is only suitable for flexion and extension in the front-back direction, and the long-time repeated spinal lateral flexion can cause serious waist injury of drivers. Endangering the physical health and working life of the driver.

In view of the above circumstances, there is an urgent need for a seat capable of alleviating adverse effects of the swing of a ship body on a human body.

Disclosure of Invention

In view of this, the invention provides a roll reduction seat for a ship, which can achieve automatic roll reduction of the seat, so that a seating surface of the seat is always horizontal to a horizontal plane.

The technical scheme adopted by the invention is as follows:

a marine roll reduction seat comprising a seat, a control mechanism and a roll reduction mechanism;

the seat is installed on the top end of the anti-rolling mechanism, and the anti-rolling mechanism correspondingly rotates around a transverse shaft and a longitudinal shaft of the seat under the control of the control mechanism according to the real-time posture information of the seat, so that the sitting surface of the seat is always horizontal to the horizontal plane.

Furthermore, the control mechanism comprises a control board and two sets of motor reducer assemblies, and the control board controls the two sets of motor reducer assemblies to respectively drive the transverse shaft and the longitudinal shaft to rotate.

Furthermore, the anti-rolling mechanism comprises a base, an inner frame, a mounting seat, a transverse rocking shaft, a longitudinal rocking shaft, a limiting structure and an inclination angle sensor;

the inner frame is rotatably connected with the base through a longitudinal rocking shaft, the mounting seat is rotatably connected above the inner frame through a transverse rocking shaft, and the longitudinal rocking shaft and the transverse rocking shaft are mutually vertical in a horizontal plane; one end of the longitudinal rocking shaft is provided with a limiting structure, the other end of the longitudinal rocking shaft is driven by one set of motor reducer assembly, one end of the transverse rocking shaft is provided with a limiting structure, the other end of the transverse rocking shaft is driven by the other set of motor reducer assembly, and the rotation of the transverse rocking shaft and the longitudinal rocking shaft is limited within a set angle range under the action of the limiting structure; the tilt angle sensor is installed at the bottom of the installation seat and transmits detected real-time attitude information of the installation seat to the control panel.

Furthermore, the anti-rolling mechanism also comprises a roll shaft gear, a pitch shaft gear and two motor gears;

and motor gears are respectively arranged on output shafts of the two sets of motor reducer assemblies, the roll shaft gear and the pitch shaft gear are respectively arranged on the roll shaft and the pitch shaft, and the two motor gears are respectively meshed with the roll shaft gear and the pitch shaft gear.

Further, the anti-rolling mechanism further comprises a protective cover flange and an organ type protective cover, the protective cover flange is installed on the installation seat, the organ type protective cover is installed on the protective cover flange, and other mechanisms below the installation seat are protected.

Furthermore, the limiting structure comprises a baffle, a transmission element, two micro switches and two limiting columns; the limiting structures arranged on the transverse rocking shaft and the longitudinal rocking shaft are consistent in composition and connection relation;

taking the limit structure of the rocking shaft as an example, the baffle is fixedly connected to one end of the rocking shaft, and two limit posts are respectively arranged on two sides of the baffle and positioned at the limit positions of the rotation of the rocking shaft; the transmission element is installed on the baffle, two microswitches are respectively arranged on two sides of the baffle and located at the extreme positions of the rotation of the transverse rocking shaft, and the microswitches are triggered by the transmission element to realize electric control of the motor.

Furthermore, the anti-rolling mechanism also comprises a power-off brake which is arranged on the motor to realize power-off self-locking of the anti-rolling mechanism.

Has the advantages that:

1. according to the invention, the anti-rolling mechanism is correspondingly rotated along the transverse axis and the longitudinal axis of the anti-rolling mechanism under the control of the control mechanism according to the real-time posture information of the seat on the ship, so that the seating surface of the seat is always horizontal to the horizontal plane, and the adverse effect of the swing of the ship on passengers can be effectively eliminated; in the riding process, the riding surface is always parallel to the horizontal plane, so that the uncomfortable feelings of dizziness, waist fatigue and the like can not be generated for a crew in the riding process; moreover, the anti-rolling mechanism is arranged at the bottom of the seat, so that the arrangement of legs of a crew in the sitting process is not influenced; compact structure, the whole height is not more than 400mm, meets the height requirement of the human engineering sitting posture, and the user does not feel uncomfortable when riding.

2. The anti-rolling mechanism of the invention is additionally provided with a first-stage reduction gear, namely the roll shaft gear, the pitch shaft gear and two motor gears, and can effectively reduce the influence of gear gaps on the backlash caused by the load.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2(a) and 2(b) are schematic structural diagrams of the rocking reducing mechanism at different viewing angles, respectively;

the device comprises a base 1, an inner frame 2, a mounting seat 3, a motor reducer assembly 4, a pitching motor gear 5, a rolling motor gear 6, a pitching shaft gear 7, a rolling shaft gear 8, an eccentric sleeve 9, an inclination angle sensor 10, a motor driver 11, a power supply 12, a limiting column 13, a microswitch 14, a rolling limiting baffle 15, a shield flange 16, an angular contact bearing 17, a pitching limiting baffle 18, a control panel 19, a seat 20 and an anti-rolling mechanism 21.

Detailed Description

The invention is described in detail below by way of example with reference to the accompanying drawings.

The invention provides a ship anti-rolling seat, which comprises a seat 20, a control mechanism and an anti-rolling mechanism 21, wherein the seat 20 is arranged at the top end of the anti-rolling mechanism 21, the control mechanism is arranged in the anti-rolling mechanism 21, and the control mechanism controls the action of the anti-rolling mechanism according to the real-time attitude information of the seat 20 so that the sitting surface of the seat 20 is always horizontal to the horizontal plane, as shown in figure 1. Wherein, the control mechanism comprises a control board 19 and two sets of motor reducer assemblies 4; the anti-rolling structure 21 comprises a base 1, an inner frame 2, a mounting seat 3, a pitching motor gear 5, a rolling motor gear 6, a pitching shaft gear 7, a rolling shaft gear 8, an eccentric sleeve 9 and an inclination angle sensor 10. The overall height of the roll reducing structure 21 does not exceed 400 mm.

As shown in fig. 2(a) and 2(b), the inner frame 2 is rotatably connected with the base 1 through a pitch shaft, the pitch shaft is mounted on the base 1 through an angular contact bearing 17, the mounting base 3 is rotatably connected above the inner frame 2 through a roll shaft, and the pitch shaft and the roll shaft are perpendicular to each other in a horizontal plane; one end of the longitudinal rocking shaft is provided with a limiting structure, and the other end of the longitudinal rocking shaft is provided with a longitudinal rocking shaft gear 7 and is driven by a set of motor reducer assembly 4; one end of the transverse rocking shaft is provided with a limiting structure, the other end of the transverse rocking shaft is provided with a transverse rocking shaft gear 8 and is driven by another set of motor reducer assembly 4, under the action of the limiting structure, the horizontal state is taken as a reference, the rotating range of the transverse rocking shaft reaches +/-30 degrees, and the rotating range of the longitudinal rocking shaft reaches +/-20 degrees.

Two sets of motor reducer assemblies 4 are respectively installed on the base 1 and the inner frame 2 through eccentric sleeves 9, a pitch shaft motor gear 5 is installed on an output shaft of the motor reducer assembly 4 on the base 1, and the pitch shaft motor gear 5 is meshed with a pitch shaft gear 7 to drive the inner frame 2 to rotate in a pitch direction. A motor gear 6 of a roll shaft is arranged on an output shaft of a motor reducer component 4 on the inner frame 2, and the gear 6 of the roll shaft is meshed with a gear 8 of the roll shaft to drive the mounting base 3 to rotate in a roll direction. The motor carries out 1: after the speed is reduced by 50, the speed is reduced by the transmission gear 1: 4, and the transmission gears refer to a pitch motor gear 5 and a pitch shaft gear 7, and a roll motor gear 6 and a roll shaft gear 8. The motor reducer component 4 adopts an alternating current servo motor and a planetary reducer, and is driven to the shaft end through gear reduction to realize the rolling and pitching actions, the alternating current servo motor is controlled by a motor driver 11, and the motor driver 11 is powered by a 24V power supply 12.

The control board 19 is installed on the base 1, the tilt sensor 10 is installed at the bottom of the installation base 3, and the seat 20 is installed at the top of the installation base 3. The protective cover flange 16 is arranged at the edge of the mounting seat 3, and the organ type protective cover is arranged on the protective cover flange 16, so that other mechanisms below the mounting seat 3 are protected and sealed on the premise of not influencing the swinging of the seat 20.

The limiting structure comprises a mechanical limiting structure and an electrical limiting structure, the mechanical limiting structure comprises a baffle and two limiting columns 13, and the electrical limiting structure comprises a transmission element and two microswitches 14; the limit structures arranged on the roll shaft and the pitch shaft are consistent in composition and connection relation, and the shape and the size of the roll limit baffle 15 and the pitch limit baffle 18 can be set according to the specific space size.

Taking the limit structure of the rocking shaft as an example, the baffle is fixedly connected to one end of the rocking shaft, and two limit posts 13 are respectively arranged at two sides of the baffle and positioned at the limit positions of the rotation of the rocking shaft; the transmission element is installed on the baffle, and two micro-gap switches 14 divide the baffle both sides, are located the rocking shaft pivoted extreme position, and micro-gap switch 14 is triggered by the transmission element and realizes the automatically controlled to the motor. The mechanical limit and the electrical limit are simultaneously acted, when the baffle reaches a set limit angle and is limited by the limit column 13, the transmission element simultaneously triggers the microswitch 14 to stop the rotation of the motor in the direction. And a power-off brake is also arranged on the motor, and is locked in a power-off manner, so that the power-off self-locking function of the stabilizing mechanism is realized.

When the ship body shakes, the seat 20 shakes along with the ship body, the inclination angle sensor 10 transmits detected real-time posture information of the seat 20 to the control board 19, and the control board 19 controls the two sets of motor reducer assemblies 4 to respectively drive the transverse rocking shaft and the longitudinal rocking shaft to rotate within a set angle range, so that the sitting surface of the seat 20, namely the mounting seat 3, is horizontal to the horizontal plane.

In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A marine anti-roll seat, characterized in that the anti-roll seat comprises a seat, a control mechanism and an anti-roll mechanism;

2. A roll reduction seat for a marine vessel as claimed in claim 1, in which the control means comprises a control panel and two sets of motor reducer assemblies, the control panel controlling the two sets of motor reducer assemblies to drive the transverse and longitudinal shafts to rotate respectively.

3. A marine roll reduction seat according to claim 2, wherein the roll reduction mechanism comprises a base, an inner frame, a mounting base, a roll shaft, a pitch shaft, a limit structure and a tilt sensor;

4. A marine roll reduction seat according to claim 3, wherein said roll reduction mechanism further comprises a roll shaft gear, a pitch shaft gear and two motor gears;

5. A marine roll reduction seat according to claim 3, wherein the roll reduction mechanism further comprises a shield flange and a bellows shield, the shield flange being mounted on the mounting seat and the bellows shield being mounted on the shield flange to protect other mechanisms below the mounting seat.

6. A roll reduction seat according to claim 3, wherein the limiting structure comprises a baffle plate, a transmission element, two micro switches and two limiting columns; the limiting structures arranged on the transverse rocking shaft and the longitudinal rocking shaft are consistent in composition and connection relation;

7. A roll reduction seat for a ship according to claim 3, wherein said roll reduction mechanism further comprises a power-off brake mounted on the motor for self-locking the roll reduction mechanism when power is off.