Free-combination automatic-weight adding device

A free weight technology, applied in the direction of measuring devices, instruments, force/torque/power measuring instrument calibration/testing, etc., can solve the problems that the system cannot measure and automatically compensate in real time, it is difficult to maintain stable pressure, and the error of verification results, etc. , to achieve the effect of accurate weighting, simple device and convenient operation

Active Publication Date: 2014-09-03
DALIAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Weights are generally the benchmark for pressure gauge testing and calibration. It is a common practice for pressure gauge testing to form a specific weight through a specific combination of weights to exert pressure on the pressure gauge. However, at present, the work of adding weights is generally done manually. Repetitive labor, dry work, manual overweighting is difficult to maintain stable pressure, and the pressure fluctuates greatly. The system cannot perform real-time measurement and automatic compensation, which brings errors and other problems to the verification results, and manual operation is easily affected by factors such as ambient temperature, humidity, and atmospheric pressure. influences

Method used

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  • Free-combination automatic-weight adding device
  • Free-combination automatic-weight adding device

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Embodiment Construction

[0021] Such as Figure 1-3 , combined with Figure 4 To illustrate the free coding device of the present invention, the support ring 1 is fixedly connected with the bracket 12 to realize the support and fixation of the whole device. Swing motor 2, support plate 3, nut 8, screw mandrel 9, nut guide rail 10 and lifting motor 7, driving dial 17 form the driving mechanism of free code addition. The supporting rod 5, the guide column 4, the inner ring 13, the middle ring 14, the outer ring 15, the passive dial 16 and the pillar 19 form a freely adding actuator. The front end of the support rod 5 is placed in the annular groove provided on the top of the weight. The up and down movement of the support rod 5 drives the weight 6 to move up and down to realize adding and unloading. The movement of the support rod 5 is to drive the middle ring 14 to rotate through the dial, and then the inner ring 13 is driven to move up and down by the action of the pillar 19 and the special-shaped ...

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Abstract

The invention discloses a free-combination automatic-weight adding device, which is used for automatic weight adding in the pressure detection field. The device comprises a group of cylindrical weights (6) arranged in a sleeving mode, and the upper end of each weight layer (6) is provided with a driving mechanism for driving the weight (6) to move up and down; and a weight tray (8) with a weighing or pressure detection mechanism additionally provided is arranged below the weight (6). Heights of the weights (6) are sequentially decreased from inside to outside, a supporting groove (41) is arranged in the exposed column surface of the upper end of each weight, and supporting rods, an inner ring (13), a middle ring (14) and an outer ring (15) are correspondingly arranged. The free-combination automatic-weight adding device is used in the pressure detection or weighing system, free combination and automatic weight adding of the weight adding operation can be realized, the operation is convenient, and weight adding is accurate.

Description

technical field [0001] The invention relates to an automatic weight adding device, in particular to an automatic weight adding device applied in the field of pressure detection, that is, a free combination automatic weight adding device. Background technique [0002] In the field of physical quantity detection, it is often required that the detection system provide a specific force. For example, in the field of pressure detection, various forms of pressure gauges, pressure sensors, and pressure transmitters are commonly used instruments for pressure detection. industrial processes and research fields. The performance of the pressure gauge is directly related to the quality of the test results. In order to ensure the detection accuracy of the instrument, the pressure gauge must be calibrated regularly. Currently, it is common practice for businesses to perform periodic checks and calibrations on all pressure gauges. This requires that the pressure gauge detection and calib...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L25/00G01L27/00G01G23/01
Inventor 庞桂兵彭彦平吴洪威卜繁岭
Owner DALIAN POLYTECHNIC UNIVERSITY
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