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Non-contact Soft Soil Large Deformation Displacement Meter

A non-contact, large deformation technology, applied in measurement devices, instruments, surveying and navigation, etc., can solve the problems such as the inability to meet the needs of subsidence observation in soft soil areas, the small range of deformation sensors, and human errors, saving manpower, Convenient measurement and safe construction, low cost effect

Active Publication Date: 2011-12-14
HOHAI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The manual monitoring method has the disadvantages of being affected by the construction process and human errors.
The settlement of soft soil foundation is large, and the existing deformation sensor has a small range, which cannot meet the needs of settlement observation in soft soil areas

Method used

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  • Non-contact Soft Soil Large Deformation Displacement Meter
  • Non-contact Soft Soil Large Deformation Displacement Meter
  • Non-contact Soft Soil Large Deformation Displacement Meter

Examples

Experimental program
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Effect test

Embodiment Construction

[0019] control figure 1 , its structure includes 1. Settling plate 2. Synchronous pulley 3. Multi-turn rotary potentiometer 4. Measuring head 5. Synchronous belt 6. Counterweight 7. Ball guide cap 8. The first synchronous moving device 9. The second synchronous Mobile device 10. Plastic pipe body 11. Sealing plug 12. Mud scraper 13. Stainless steel push rod 14. Mounting claw 15. Connection conversion joint. Wherein the measuring head 4 is a nylon measuring head, and the counterweight 6 is a lead weight. A multi-turn rotary potentiometer 3 is housed in the nylon measuring head, and a synchronous pulley 2 is arranged on the rotating shaft of the multi-turn rotating potentiometer 3 . The synchronous belt 5 is wound around the synchronous belt pulley 2, and the two ends of the synchronous belt 5 are respectively connected with the lead weight and the first magnetic moving device. Three plastic pipe bodies 10 are connected in parallel under the nylon measuring head. The lead weig...

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Abstract

The invention discloses a non-contact soft soil large deformation displacement meter, which comprises a pipe body and a gauge head, wherein a rotary potentiometer is arranged in the gauge head. The displacement meter is characterized in that the two sides of a rotating shaft of the rotary potentiometer are provided with counterweights which rotatably and synchronously move with the shaft of the rotary potentiometer and a first synchronous mobile device; the counterweights and the first synchronous mobile device are located in the pipe body; a second synchronous mobile device are further arranged in the pipe body; the second synchronous mobile device is synchronized with the first synchronous mobile device; a push rod is connected with the lower end of the second synchronous mobile device;and the lower end of the push rod is connected with a mounting pawl. The displacement meter disclosed by the invention has the following advantages that the measuring process is free from construction interruption and artificial measuring error, the measuring range is wide (capable of reaching 1.6m), the precision is high, the measurement is convenient, the construction is safe, meanwhile, the cost is low, and the displacement meter is particularly suitable for the area of the soft soil foundation with large deformation of soil body.

Description

technical field [0001] The invention relates to a non-contact large deformation displacement gauge capable of measuring foundation settlement. The invention belongs to the technical field of civil engineering foundation settlement measurement. Background technique [0002] Settlement observation is widely used in civil engineering construction, and the conventional observation method of foundation settlement is mainly manual observation with settlement mark and precision level. The manual monitoring method has disadvantages such as being affected by the construction process and human error. The settlement of soft soil foundation is large, and the existing deformation sensor has a small range, which cannot meet the needs of settlement observation in soft soil areas. Contents of the invention [0003] The present invention proposes an embedded retractable non-contact large deformation displacement gauge, and its purpose is to overcome the above-mentioned defects in the pri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C5/00G01B7/02
Inventor 李国维王虎子李思清李临生周滨詹斯文
Owner HOHAI UNIV
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