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Needle-comb type rock surface shape sectional measuring instrument

A technology for surface morphology and segmental measurement, applied in the field of measuring instruments, can solve the problems of difficulty in connecting into an overall contour line, and achieve the effect of convenient use

Inactive Publication Date: 2007-08-29
TONGJI UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, it is still difficult to connect the segmented contour lines into the overall contour line

Method used

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  • Needle-comb type rock surface shape sectional measuring instrument

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Embodiment Construction

[0014] As shown in the figure, the pin-comb type rock surface morphology segmentation measuring instrument of the present invention is mainly composed of a row of steel needles 1 with the same length and closely arranged in parallel and two splints 2 holding the steel needles 1 on both sides. The splint 2 can be made of glue. Made of wooden boards, the ends of the two splints 2 are provided with rubber pads 5, which are fastened by bolts 3; there is a flannelette-like flexible pad 6 between the splint 2 and the steel needle 1, so that the two splints can clamp the steel The needle can make the steel needle move flexibly; an inclinometer 4 is fixed in the middle of the side of the front splint to measure the inclination angle of each section of the datum line.

[0015] Before measuring, first measure the occurrence (inclination, inclination or trend) of the rock surface, and then draw a test line along the predetermined direction (generally inclination or trend) on the rock surf...

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Abstract

The invention discloses a kind of subsection admeasuring apparatus whit the shape of grilling and mantle of rock. It includes a list of steel pins with the same length also parallel and dense array and two cleats are hold in the two sides of the steel pins and in one of the cleats fixes a slope angle indicator. There has set up a slope angle indicator that can measure the slope angle so when measure for the longer prolongation mantle of block by the way of subsection it only needs to confirm one reference line. We can gain the shape contour line of every subsection about the mantle of rock at the same time can gain the slope angle of every subsection's reference line. So we can transfer the shape contour line of every subsection about the mantle of rock to the same one reference line according to the geometrical relationship among all the subsections thereby measure the whole exterior contour line. The way of measuring not only use expediently but also have no limitation on the height and the length especially.

Description

technical field [0001] The invention relates to a measuring instrument used in the fields of rock mechanics, engineering geology, and engineering survey, in particular to a pin-comb measuring instrument used for segmentally measuring the surface morphology of rocks. Background technique [0002] In the rock surface shape measurement, the contour line measurement method is generally used. Since the length and height range of the surface shape measuring instrument are fixed, when the rock surface with a long extension is measured on site, segmental measurement is required. When measuring in sections, there must be a fixed baseline of the entire length of the surface to be measured. It is difficult to determine such a fixed baseline on site, and when the surface shape fluctuates too much, it will exceed the height range of the morphometer. Needle comb is a rock surface shape measurement tool used in the prior art. It is composed of a splint and a group of densely arranged steel...

Claims

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Application Information

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IPC IPC(8): G01B5/20
Inventor 夏才初
Owner TONGJI UNIV
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