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Real-time automatically leveled table and chair

An automatic leveling, table and chair technology, applied in the direction of ship parts, ships, household appliances, etc., to improve the safety of work and avoid the problem of motion coupling

Inactive Publication Date: 2011-05-18
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a real-time automatic leveling table and chairs, to overcome the deficiency that the existing leveling device cannot be leveled in real time under the environment of swaying at sea, and to realize the horizontal state of the table and chairs with the swing of the deck under the sea wind and wave environment, It can also be adjusted horizontally on land

Method used

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  • Real-time automatically leveled table and chair

Examples

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Embodiment Construction

[0010] Below, the present invention will be described in detail by taking the seat of a yacht as an example. The upper structure of the real-time leveling seat of the marine yacht is the same as that of the ordinary seat, including the seat panel, backrest and armrest, but an automatic leveling button is set on the armrest to turn on and off the automatic leveling function of the seat . The substructure of the seat is as figure 1 As shown, the main components include: a two-dimensional inclination sensor 1, two hydraulic cylinders 4 with built-in displacement sensors 14, two sets of power units (consisting of a fuel tank 6, a bidirectional compound gear pump 7, a servo motor 8 and a motor driver 9) set of power unit), a PLC controller (with analog input and output expansion module) 11 and a central support column 12. The upper end of the center support column 12 is installed on the center position of the bottom surface of the seat panel through the cross joint 5, and the low...

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Abstract

The invention provides real-time automatically leveled table and chair. The panel of the table and chair is supported by a central supporting column and two hydraulic cylinders, and the three supporting points are distributed in an isosceles right triangle shape; a two-dimensional tilt sensor is arranged in the center of the panel to provide two-dimensional tilt angles of a workbench plane relative to the horizontal plane in real time, including x-axial signals with symbols and y-axial signals; and PLC acquires a tilt error according to the signals from the two-dimensional tilt sensor and sends proportional analog control signals in real time, controls positive rotation, negative rotation and rotating speed of a servo motor after the PLC is adjusted by a motor driver, and drives two hydraulic cylinders for leveling to make telescopic actions respectively by driving a composite bidirectional gear pump so as to maintain the horizontal state of the panel of the table and chair. If a substrate is constantly in a moving state, the device acquires tilt signals in real time and constantly repeats the leveling process to play a role in real-time leveling. The table and chair is particularly suitable for application in sea wave shaking environment.

Description

Technical field: [0001] The invention relates to a real-time automatic leveling table and chair with three-point support, which can be used as a leveling device for ships and applied in the ocean wind and wave environment, and belongs to the technical field of engineering machinery control. Background technique: [0002] At present, the leveling device generally consists of a level monitor, a controller, a workbench, and telescopic supporting legs. When the workbench is in a non-horizontal state, the controller obtains the control signal of the support leg according to the tilt signal provided by the level detector, drives the support leg to move, adjusts the workbench to the level, and fixes the length of the support leg to keep the workbench in a horizontal state . However, the existing leveling devices are only aimed at the land environment with the ground as a stable base, most of which can only achieve one-time leveling, lack of real-time leveling functions in dynamic ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47B83/02B63B17/00
Inventor 陈建民蔡淳鹏刘彦武
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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