A Straight Top Ultra-High Pressure Piston Pressure Gauge with Automatic Weighting

Abstract

The invention discloses a straight-top type ultrahigh pressure piston pressure gauge with automatic weight adding and comprises a weight selection system and a bottom drive system. The weight selection system comprises a tower-shaped hanging basket, a large weight, a middle weight and a small weight. The tower-shaped hanging basket is sleeved on a central shaft. The outer wall of the tower-shapedhanging basket is provided with a plurality of ring-shaped steps of which the outer diameters are sequentially changed from top to bottom. The large weight, the middle weight, and the small weight arearranged on the tower-shaped hanging basket in a one-to-one correspondence manner with the steps. The bottom drive system comprises a central shaft, a base, a planar motor, a planar motor adjusting wheel, a plurality of first synchronous pulleys, a plurality of second synchronous pulleys, and a plurality of third synchronous pulleys. The pressure gauge of the invention not only meets the measurement requirement of higher pressure, meanwhile, the system safety is better.

Description

technical field [0001] The invention relates to the technical field of precision instruments, in particular to a straight-top ultra-high pressure piston pressure gauge with automatic loading. Background technique [0002] The principle of the piston pressure gauge is to use special weights on the effective area of ​​the piston to generate different pressures. For different pressures, it is necessary to add weights of different masses. When ultra-high pressure needs to be generated, it is necessary to place weights on the same effective area of ​​the piston (0.05cm 2 ) and put more weights. [0003] The existing way of loading weights is generally to choose the way of lifting. Since the weights are large in size and high in the center of gravity, the number of weights placed should not be too large, otherwise it will cause safety hazards due to excessive loads. On the other hand, increasing the weight The number of codes tends to make the software more complex, resulting in...

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Problems solved by technology

[0003] The existing way of loading weights is generally to choose the way of lifting. Since the weights are large in size and high in the center of gravity, the number of weights placed should not be too large, otherwise it will cause safety hazards due to excessive loads. On the other hand, increasing the weight The number of codes tends to make the software more complicated, which leads to an increase in error rate and slower loading of weights

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