Speed-adjustable low-speed and high-precision flow velocity calibration system in linear open channel, and control method thereof
A calibration system and high-precision technology, which is applied in the testing/calibration of speed/acceleration/shock measurement equipment, speed/acceleration/shock measurement, and measuring devices, etc., can solve problems such as unstable motion of the calibration car, and achieve structural stability. Effects with strong applicability and convenient construction
Active Publication Date: 2021-06-15
NANJING HYDRAULIC RES INST
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[0004] The purpose of the present invention is to provide a low-speed and high-precision flow velocity calibration system and its control method in a linear open channel with adjustable speed, so as to solve the problem of instability when the existing calibration vehicle moves
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] The present invention provides such Figure 1-3 A low-speed and high-precision flow velocity calibration system and its control method for a linear open channel shown in , including a linear open channel assembly 7, a guide rail 2 installed on the linear open channel assembly 7, and a linear open channel assembly 7 and a guide rail 2 The adjustment pad beam 1 and the transmission device 3 slidingly connected to the guide rail 2; the adjustment pad beam ...
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The invention discloses a speed-adjustable low-speed high-precision flow velocity calibration system in a linear open channel, and a control method thereof, and belongs to the technical field of instrument calibration of flow velocity elements of physical model tests of hydraulic engineering, river engineering and port engineering. The system comprises a linear open channel assembly, a guide rail installed on the linear open channel assembly, an adjusting bearing beam arranged between the linear open channel assembly and the guide rail and a transmission device connected to the guide rail in a sliding mode. The guide rail comprises a mounting base, a guide rail mounting groove formed in the mounting base, and a guide rail transmission groove formed in the mounting base; the mounting base is provided with the guide rail installation groove used for being and matched with a cushion block, and a transmission rack is embedded in the guide rail transmission groove. According to the speed-adjustable low-speed high-precision flow velocity calibration system in the linear open channel, and the control method thereof, the structure is reasonable, and construction is convenient.
Description
technical field [0001] The invention belongs to the technical field of instrument calibration of flow velocity elements in physical model tests of hydraulic engineering, river engineering and port engineering, and in particular relates to a low-speed and high-precision flow velocity calibration system and a control method thereof in a speed-adjustable linear open channel. Background technique [0002] The low-speed and high-precision flow velocity verification system is an important device for the verification and calibration of flow velocity measuring instruments in physical model tests. It is specially used for the velocity verification and parameters of experimental current meters and original apparent current meters in physical model tests of hydraulic engineering, river engineering and port engineering. Calibration and performance verification comparison; [0003] The verification and calibration of the flow rate sensor in the linear open channel plays a decisive role i...
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IPC IPC(8): G01P21/02
CPCG01P21/025
Inventor 黄海龙赵日明缪张华周良平陈诚王兴刚左力苏冬林杨林王驰徐刚方辰蒋雅瑾李荣辉杨氾王强孙忠滨祁锋姚静怡
Owner NANJING HYDRAULIC RES INST