Tray (well) diameter detector

A detector and diameter measuring technology, which is applied in the directions of measurement, wellbore/well parts, earthwork drilling and production, etc., can solve the problem of good economic and social benefits, which is difficult to promote and apply, and cannot effectively detect and supervise the supporting pile technology. Problems such as the construction quality of coiled piles, achieving good economic and social benefits, easy to popularize and use, and ensuring the quality of the pile body

Inactive Publication Date: 2010-10-27
BEIJING ZHIPAN CONSTR ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This situation cannot effectively detect and supervise the construction quality of the support pile, and it is also not conducive to the promotion and application of the support pile technology with good economic and social benefits.

Method used

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Embodiment Construction

[0009] like figure 1 As shown: the caliper arm 8 is hinged with the pull rod 7, the caliper arm tension spring 9 is hinged with the pull rod 7, the inclination sensor 5 is fixed on the caliper arm 8, and the retracting arm hydraulic cylinder 6 is fixed on the outer seat 4 of the instrument for oil supply. The pipe 3 is connected with the arm retracting hydraulic cylinder 6, the information output line 2 is connected with the inclination sensor 5, and the instrument sling 1 is connected with the instrument outer seat 4.

[0010] The extrusion plate (well) diameter detector works like this: when the hole is drilled, the instrument sling 1 hangs the equipment down, and supplies oil to the retracting arm hydraulic cylinder 6 through the oil supply pipe 3, so that the tension spring 9 of the measuring arm shrinks, At the same time, the pull rod 7 is driven, and the caliper arm 8 is in the recovery state; during measurement, the instrument sling 1 hangs the equipment up, and at this...

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Abstract

The invention relates to a tray (well) diameter detector, in particular to an aperture measuring device which is quite suitable for detecting pore-forming and tray-forming quality of a branch pile, has simple and clear principle, economical efficiency, practicability, obvious superiority in practicability and easy popularization and application, can provide technical parameters of well wall incline, well diameter, tray diameter and the like and effective technical support for the construction quality of the branch pile, and has favorable economical benefits and social benefits. The tray (well) diameter detector comprises an apparatus outer seat, an arm-drawing hydraulic cylinder, an inclining angle sensor, a diameter measuring arm, a pull rod, a diameter measuring tension spring, an apparatus lifting rope, an information output line and an oil supply pipe, wherein the diameter measuring arm is in close contact with a pore wall through the diameter measuring tension spring and the pull rod; the inclining angle connected on the diameter measuring reflects the changes of the diameter of the pore wall through the changes of an inclining angle; and the oil supply pipe supplies oil for the arm-drawing hydraulic cylinder so as to draw back the diameter measuring arm to be matched with the rotary angle of the detector, thus realizing carrying out up and down repeated measurement on the cavity of the tray from multi angles and detecting the tray diameter and shape of the branch pile.

Description

technical field [0001] The invention relates to a disc (well) diameter detector for inspecting hole-forming and disc-forming quality of cast-in-situ piles, which is an aperture measuring device, and is especially suitable for detecting hole-forming and disc-forming quality of supporting disc piles. Background technique [0002] At present, in the construction of buildings, bridges, wharves, etc., it is often necessary to apply lateral extrusion force to the soil around the pile hole through the forming mechanism at different positions of the pile hole to form a disc-shaped enlarged cavity on the side of the pile body, which can be A plurality of such disc-shaped enlarged cavities are set in the vertical direction of the body hole. After concrete is poured into the pile holes with disc-shaped enlarged cavities, the formed piles are called support disc piles. The detection method of the disk cavity formation of the support disk pile is realized only by the straight hole calipe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/08
Inventor 韩荣
Owner BEIJING ZHIPAN CONSTR ENG
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