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A detachable mud sampler

A sampler and mud technology, which is applied in the field of detachable mud sampler, can solve problems such as inconvenient cleaning and replacement of components, insufficient density of the seal of the slurry inlet, and influence on measurement accuracy, etc., and achieves a simple structure, low cost, and convenient operation Effect

Active Publication Date: 2017-05-10
CHINA RAILWAY NO 2 ENG GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current equipment has the following problems: 1. The mud sampling device will turn up the mud when it touches the bottom of the hole, which will affect the measurement accuracy; The mud is mixed; 3. Most of the devices are integrated, which is not convenient for cleaning and replacing components

Method used

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  • A detachable mud sampler
  • A detachable mud sampler

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Experimental program
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Embodiment 1

[0028] Such as figure 1 as shown, figure 1 For the overall schematic diagram of the mud sampler of the present invention, combined with figure 2 Sectional view, the main body of the sampling cylinder is a standard DN100 steel pipe with a length of 30cm, and the threaded connection is arranged on the top 10cm, and is respectively processed on the outer side of the lower end of the upper part 7-a of the sampling cylinder and the inside of the core-pulling inner side of the lower part 7-b of the sampling cylinder. thread, the two threads match. Wrap Teflon thread sealing tape around the upper part of the sampling cylinder and screw it into the lower part of the sampling cylinder. Weld the sealing steel plate thickness 3mm up and down, the hole of a diameter 3cm is opened in the middle of the upper sealing steel plate 6, and the hole of a 28mm is opened in the lower sealing steel plate 11. The upper sealing steel plate 6 is the top cover of the claim, the lower sealing steel p...

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Abstract

The invention relates to slurry sampling devices, in particular to a detachable slurry sampler. The detachable slurry sampler comprises a lifting rod and a sampling barrel. The sampling barrel comprises a barrel body, a top cover arranged above the barrel body and a bottom board arranged below the barrel body. A sealed cavity for containing a sample is defined by the top cover, the bottom board and the barrel body. A slurry inlet communicated with the cavity is formed in the top cover. The lower end of the lifting rod penetrates through the slurry inlet and extends into the cavity. By the adoption of the detachable slurry sampler, slurry samples of different depths can be sampled.

Description

technical field [0001] The invention relates to mud sampling equipment, in particular to a detachable mud sampler. Background technique [0002] For cast-in-situ piles with mud retaining walls, before pouring concrete, the specification requires sampling and testing the relative density, sand content and viscosity of the mud near the bottom of the hole, and concrete can only be poured after reaching the standard. The commonly used method is to measure the relevant properties of the orifice mud. However, the properties of the orifice and the bottom mud are very different. Testing the properties of the orifice mud will not ensure that the construction meets the specification requirements. When adding alkali to change properties such as mud viscosity, real-time sampling and detection of mud is more important. [0003] At present, there are technologies related to mud sampling related equipment, such as patent (201020641939.3), which uses a long rod to extend into the bottom of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/10
Inventor 姚孟洋王庆文苏成胡力绳邓小秋
Owner CHINA RAILWAY NO 2 ENG GRP CO LTD
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