Loading rising rate test device of Marshall stability device

A technology of Marshall stability and rate testing, which is applied to measuring devices, devices used to measure the time required to move a certain distance, instruments, etc., can solve problems such as high manufacturing costs, limited application range, complex device structure, etc., and achieve calculation results Accurate, friendly application environment, high test accuracy effect

Pending Publication Date: 2019-02-01
SHANDONG TRANSPORTATION INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The detection data can be uploaded in real time, avoiding errors caused by manual transcription, and does not require two people to operate at the same time, saving labor costs, but the device has a complex structure, high manufacturing costs, and limited application range

Method used

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  • Loading rising rate test device of Marshall stability device
  • Loading rising rate test device of Marshall stability device
  • Loading rising rate test device of Marshall stability device

Examples

Experimental program
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Effect test

Embodiment 1

[0015] This embodiment relates to a Marshall stability meter loading and rising rate testing device, the main structure of which includes a force value judgment module 1, a displacement measurement module 2, a time measurement module 3, a logical operation module 4, a pressure sharing interface 5, and a displacement measurement interface 6 , measuring head 7, measuring rod 8, front cover 9, housing 10, clamp 11, cable 12, rate display port 13, displacement display port 14, time display port 15, reset button 16, start button 17 and result button 18 ; The overall test device is divided into two parts, the controller unit and the displacement sensor unit according to the function, wherein, the force value judgment module 1, the displacement measurement module 2, the time measurement module 3, the logic operation module 4, the pressure sharing interface 5 and the displacement measurement interface 6 electrical information communication and combination constitute the circuit of the ...

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Abstract

The invention belongs to the technical field of metering of a highway engineering detector, and relates to a loading rising rate test device of a Marshall stability device. The loading rising rate test device comprises a force value judgment module, a displacement measurement module, a time measurement module, a logic operation module, a pressure sharing interface and a displacement measurement interface, wherein the force value judgment circuit, the displacement measurement module, the time measurement module and the displacement measurement interface are in electrical information communication and combination to form a circuit of a controller unit, the pressure sharing interface is in electrical information communication with an output end of a tested Marshall stability device, the displacement measurement interface is in electrical information communication with a cable of a displacement transmission device unit, each circuit module is in electrical information communication with anupper part of a panel of the control unit, and the function effect of integrating control and display is achieved. The device is reasonable and complete in structure, the rising rate of a loading tray of the Marshall stability device within an effective zone is accurately measured, the calculation result is accurate, and the application environment is friendly.

Description

Technical field: [0001] The invention relates to a device for testing the rising rate of loading of a Marshall stability meter, in particular to a measuring instrument for the rising rate of a pallet under a loaded state of the Marshall stability meter, which belongs to the technical field of measurement of highway engineering testing instruments. Background technique: [0002] At present, the measurement and testing of the ascent rate of the Marshall stability instrument tray are divided into no-load and loading tests, wherein the no-load test is to measure the ascent time and ascent displacement respectively, and then manually calculate the no-load ascent rate; the loading test At present, there is no specific technical means for accurate measurement and testing of the rising rate; JJG (traffic) 066-2006 "Marshall Stability Tester Verification Regulations" stipulates that the power source verification item stipulates that the rising rate of the empty pallet and the loading ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P3/64G01N3/62
CPCG01N3/62G01P3/64
Inventor 宋新华文春景
Owner SHANDONG TRANSPORTATION INST
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