Three-dimensional cracks space positioning apparatus
A technology for spatial positioning and cracks, applied in the direction of measuring devices, mechanical measuring devices, and mechanical devices, etc., can solve the problems of no three-dimensional crack space positioning device, etc., and achieve the effect of simple structure, convenient use and accurate positioning
Inactive Publication Date: 2008-05-14
SHANDONG UNIV
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Problems solved by technology
However, at present, in the three-dimensional crack test, most of the three-dimensional cracks are located by visual inspection, and there is no special accurate three-dimensional crack spatial positioning device.
Method used
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[0010] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0011] In Fig. 1-Fig. 3, the longitudinal positioning ruler 1 is connected with the horizontal positioning ruler 2 through the card slot, so that the horizontal positioning ruler 2 can move freely along the axial direction and play the role of longitudinal positioning; The two parts are connected by the sliding groove 6, and the upper part can move freely along the sliding groove 6 laterally to realize lateral positioning; the angle locator 3 and the crack positioning panel 4 are fixed on the upper part of the lateral positioning ruler 2, and can be moved along the sliding groove along with the upper part. 6 Transverse movement; the crack positioning panel 4 places a preset crack piece, which can rotate around the central axis to achieve angular positioning. It can be seen that the application of this device can realize the longitudinal, transverse and ...
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The invention relates to a three dimensional crack space locating device which includes a longitudinal locating ruler, a horizontal locating ruler, an angle localizer and a crack locating panel. The longitudinal locating ruler is connected with the horizontal locating ruler through a neck to lead the horizontal locating ruler to be capable of moving freely along the longitudinal direction, thereby playing the role of longitudinal locating. The horizontal locating ruler consists of two upper and lower parts connected by a slide slot. The upper part can move freely along a horizontal slot direction to realize horizontal locating. The angle localizer and the crack locating panel are fixed on the upper part of the horizontal locating ruler and can move with the upper part along the horizontal direction of the slide slot. Preset crack sheets that can rotate along a central shaft are arranged on the crack locating panel to realize angle locating. Obviously, the invention can be used for realizing the longitudinal direction, horizontal direction and angle locating of the crack locating surface (preset crack position), and can change the height of the locating rulers to realize the locating in the height direction. The invention has the advantages of simple structure, convenient use and accurate locating, etc.
Description
technical field [0001] The invention relates to a positioning device, in particular to a three-dimensional crack space positioning device. Background technique [0002] We know that the expansion and evolution of three-dimensional cracks have always been the main content of rock mechanics. At present, the indoor test is the main research method to study the propagation law of three-dimensional cracks. The method of making three-dimensional cracks is mainly realized by pre-embedding polyester sheets in the process of making test pieces. The accurate positioning of three-dimensional cracks (inclination angle, spatial position, etc.) ) is the key to the success of the test (the basis for analyzing the test results). However, at present, in the three-dimensional crack test and the location of the three-dimensional crack, the method of visual inspection is mostly used, and there is no special accurate three-dimensional crack spatial location device. Contents of the invention ...
Claims
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IPC IPC(8): G01B5/00G01B5/24
Inventor 李术才杨磊李明田林春金张宁
Owner SHANDONG UNIV