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Trailer type electric falling weight deflectometer

A deflectometer and drop weight technology, applied in the field of deflectometers, can solve problems such as easy oil leakage and oil leakage work noise.

Inactive Publication Date: 2019-04-16
安徽省骏腾工程试验检测有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, in order to solve the technical problems of easy oil leakage, oil leakage and high working noise of the existing hydraulic deflection instrument, the present invention provides a trailer-type electric drop weight deflection instrument

Method used

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  • Trailer type electric falling weight deflectometer
  • Trailer type electric falling weight deflectometer

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] Such as Figure 1-2 , the embodiment of the present invention proposes a trailer-type electric drop weight deflection instrument, including a trailer 1, a deflection instrument arranged on the trailer 1, and a host computer 2 for controlling the deflection instrument. The deflection instrument includes an outer frame, and The loading device 3 arranged inside the outer frame body, the carrying device 4 arranged below the loading device 3 and the measurin...

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Abstract

The invention provides a trailer type electric falling weight deflectometer. The trailer type electric falling weight deflectometer comprises a trailer, a deflectometer arranged on the trailer and anupper computer for controlling the deflectometer, wherein the deflectometer comprises an outer frame body, a loading device arranged in the outer frame body, a bearing device arranged below the loading device and a measuring device connected to the side surface of the bearing device; the loading device comprises an electromagnet, and a drop hammer connected below the electromagnet; the bearing device comprises a transition plate arranged below the drop hammer; a pressure sensor is arranged below the transition plate; a bearing frame is connected below the pressure sensor; a bearing plate is arranged at the bottom of the bearing frame; and a displacement sensor is arranged on the bearing plate. According to the trailer type electric falling weight deflectometer, through the adoption of theelectromagnet structure, the defects that an existing hydraulic deflectometer is prone to oil leakage and oil penetration and has high working noise are solved.

Description

technical field [0001] The invention relates to the field of deflectometers, in particular to a trailer-type electric drop weight deflectometer. Background technique [0002] In the past two decades, the research and development of pavement non-destructive testing technology has been paid more and more attention at home and abroad. Deflection is the most important evaluation index of pavement structural strength, and its detection equipment and analysis technology have developed rapidly. Since the invention of the beam deflection instrument in 1953, the pavement deflection testing equipment has developed from a static deflection instrument to a drop hammer deflection instrument that simulates the driving load, and from a single-point maximum deflection test to a multi-point pavement deflection test. The test and the back calculation analysis of the elastic modulus of each structural layer of the pavement based on the multi-point deflection data provide a basis for the desig...

Claims

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Application Information

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IPC IPC(8): G01N3/317G01N3/02
CPCG01N3/02G01N3/317
Inventor 舒琴章取平刘银生
Owner 安徽省骏腾工程试验检测有限公司
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