Mechanical type multiple-point displacement gage

A mechanical displacement meter technology, applied in the field of measuring instruments, can solve the problems of low precision, unreliable anchoring strength, poor anti-interference ability, etc., and achieve the effect of simplifying the measurement steps, reliable anchoring effect, and enhanced anti-slip ability.

A mechanical displacement meter technology, applied in the field of measuring instruments, can solve the problems of low precision, unreliable anchoring strength, poor anti-interference ability, etc., and achieve the effect of simplifying the measurement steps, reliable anchoring effect, and enhanced anti-slip ability.

CN100516766CInactive Publication Date: 2009-07-22INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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  • Mechanical type multiple-point displacement gage
  • Mechanical type multiple-point displacement gage
  • Mechanical type multiple-point displacement gage

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Embodiment Construction

[0015] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0016] according to figure 1 It can be seen that the mechanical multi-point displacement meter includes an orifice reading instrument (1), an orifice reference plate (2), an indium steel wire (3), and an anchor head for measuring points in a hole (5). Through the installation hole (28) of the orifice reference plate (2), fix the orifice reference plate (2) on the orifice wall with expansion bolts, and insert the positioning bolt (16) of the bottom plate of the orifice reading instrument (1) into the orifice In the positioning hole (30) in the reference plate (2), turn on the switch of the permanent magnet (14), fix the orifice reading instrument (1) on the orifice reference plate (2), pass the indium steel wire (3) through the hole The center hole (29) of the mouth reference plate (2), one end is fixed on the fastening screw (25) of the anchor head (5) of the measuri...

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Abstract

The invention discloses a mechanical type multipoint extensometer, which comprises an orifice reading machine, an orifice reference plate, an indium wire, and an anchoring head for point measurement inside a pore. The orifice reference plate is fixed on the pore wall with an expansion bolt, a pilot pin at the bottom plate of the orifice reading machine is inserted into the locating hole in the orifice reference plate, the orifice reading machine is fixed in the orifice reference plate, one end of the indium wire is fixed on a fastening bolt of anchoring head for point measurement inside a pore, the other end of the indium wire is fixed passed through a center hole of the orifice reference plate and fixed on a conical clip with point measurement marks, and the conical clip with point measurement marks is connected with a conical hanger of the orifice reading machine. The invention has the advantages of simple structure, large measurement range, easy operation, rapid anchoring, and reliable performance; and is suitable for point measurement in a pore with different bore sizes.

Description

technical field [0001] The invention belongs to a measuring instrument, and more specifically relates to a mechanical multi-point displacement meter, which is mainly used for measuring the deformation of deep rock formations of surrounding rocks in underground engineering construction, and provides accurate and effective information for information construction. technical background [0002] In construction projects such as tunnels, underground roadways, slopes, and underground powerhouses, engineers and technicians often need to understand the deformation of the deep rock formations in the surrounding rocks and their temporal and spatial changes during the construction process, so as to judge the rationality of the construction plan and guide subsequent construction. . On the other hand, in addition to the influence of construction factors, the displacement of the deep rock formations in the surrounding rock is also related to the structure and strength of the surrounding r...

Claims

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Application Information

Patent Timeline
22 Jul 2009
Publication
CN100516766C
IPC
G01B5/30; G01B5/02
Inventors
刘泉声; 肖春喜