Portable field rock density tester

A density tester, a portable technology, applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve the problems of soft rocks that are easily broken, the accuracy of field rock density measurement, and the loss of small fragments, etc., to achieve high measurement accuracy and field The effect of convenience in bulk density measurement of rocks
CN113252509AActive Publication Date: 2021-08-13SHENZHEN INVESTIGATION & RES INST
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHENZHEN INVESTIGATION & RES INST
Publication Date
2021-08-13

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Abstract

The invention provides a portable field rock density tester, and belongs to the technical field of density weighing. The portable field rock density tester comprises a shell assembly and a weighing assembly. The shell assembly comprises a base, a surrounding plate and a top seat, wherein the weighing assembly comprises a weighing sensor, a weighing hopper, a screening hopper and a screening hydraulic cylinder. The selected rock fragments are put into a weighing hopper, and a weighing sensor measures and weighs the rock fragments in the weighing hopper; and when the set weight is reached, the density tester records the current weight and issues an instruction to the material screening hydraulic cylinder, and the material screening hydraulic cylinder controls the material screening hopper to rotate, so that the rock fragments quickly fall into the pure water container for volume measurement. Due to the hopper weighing mode, a measurement worker do not need to manually transfer the rock fragments, batch weighing of the rock fragments is rapidly achieved; therefore, the rock fragments are not lost or missed in the transfer process, the field rock density measurement precision is high, and field rock batch density measurement is more convenient.
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Description

technical field

[0001] The present application relates to the technical field of density weighing, in particular to a portable field rock density tester. Background technique

[0002] The density tester with the function of "rock density test" in the related art mainly uses the drainage method to measure the density. First, the mass is measured at the top, and then the volume is measured in a container filled with pure water in the middle. The average value will be measured 3 times.

[0003] However, the surface of rock masses in the field has been weathered for a long time, and their physical properties have changed. Therefore, it is necessary to collect fresh rocks at the base for measurement and weighing, and the collection of fresh rocks is generally carried out by hammering, beating or drilling. Some soft rocks are easily broken after being subjected to mechanical vibration. During the process of manually feeding it into the water tank, it is very likely that small fr...

Claims

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