Wide-range hydraulic pressure type sedimentation observation instrument based on round elastic metal membrane

An elastic metal, settlement observation technology, applied in the direction of hydrostatic pressure, etc., can solve the problems of small measuring range, low measurement accuracy, unstable soft plastic bellows material, etc., achieve a large linear measurement range, improve observation accuracy, and facilitate remote transmission. Effect

Inactive Publication Date: 2013-09-18
武汉地震工程研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] The measurement accuracy is low and the measuring range is small, especially limited to the instability of the soft plastic bellows material, it is difficult to guarantee the long-term stability of the observed value

Method used

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  • Wide-range hydraulic pressure type sedimentation observation instrument based on round elastic metal membrane
  • Wide-range hydraulic pressure type sedimentation observation instrument based on round elastic metal membrane
  • Wide-range hydraulic pressure type sedimentation observation instrument based on round elastic metal membrane

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0058] Below in conjunction with accompanying drawing and embodiment describe in detail:

[0059] 1. Overall

[0060] like Figure 4 , the observer includes a water storage tank 10, a soft plastic water pipe 20, a probe 30, a signal cable 40, a data acquisition instrument 50 and a soft plastic air pipe 60;

[0061] The probe 30 is connected to the water storage tank 10 through the soft plastic water pipe 20 and the soft plastic air pipe 60 , and is connected to the data acquisition instrument 50 through the signal cable 40 .

[0062] 2. Functional components

[0063] 1. Water storage tank 10

[0064] The water storage tank 10 is an open water container.

[0065] 2. Soft plastic water pipe 20

[0066] Soft plastic water pipe 20 is a kind of general water pipe.

[0067] 3. Probe 30

[0068] like Figure 4 , the probe 30 includes a cover plate 3A, a casing 3B, a water hole 3C, a circular elastic metal diaphragm 3D, a displacement sensor 3E, a vent hole 3F and a wire hole ...

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Abstract

The invention discloses a wide-range hydraulic pressure type sedimentation observation instrument based on a round elastic metal membrane and relates to an earth sedimentation observation instrument. The sedimentation observation instrument is characterized in that a probe (30) is connected with a water storage tank (10) through a flexible plastic water pipe (20) and a flexible plastic air pipe (60) and is connected with a data acquisition instrument (50) through a signal cable (40); the probe (30) comprises a cover plate (3A), a shell (3B), a water through hole (3C), a round elastic metal membrane (3D), a displacement sensor (3E), an air through hole (3F) and a wire through hole (3G). By utilizing the round elastic metal membrane with a novel structure as a key element, the sedimentation observation instrument has the characteristics of wide linear measurement range, high measurement accuracy, long-term performance stability and the like; the sedimentation observation instrument can be used for carrying out multi-point settlement observation, and external common interference factors such as temperature and water evaporation can be filtered by virtue of the differential performance of the sedimentation observation instrument, so that the observation accuracy is improved.

Description

technical field [0001] The invention relates to a ground subsidence observer, in particular to a large-range hydraulic pressure subsidence observer based on a circular elastic metal diaphragm. Background technique [0002] At present, there are many methods and means for land subsidence observation. The observation quantities and main technical indicators of several existing types of conventional subsidence observation instruments are listed as follows: [0003] [0001] Geodetic level Static level Pressure type sedimentation instrument Observation object The relative settlement between two points in the horizontal direction of the earth's surface The relative settlement between two points in the horizontal direction of the earth's surface The relative subsidence between the earth's surface and shallow vertical and horizontal two points Measuring point height difference [0010] 2m 10mm [0012] 2m Measurement accuracy 0.1mm 0.001mm 1m...

Claims

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Application Information

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IPC IPC(8): G01C5/04
Inventor 罗登贵黄江周欣李恒谭亦可
Owner 武汉地震工程研究院有限公司
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