Pressure chamber lifting device of non-load frame triaxial apparatus

A technology of lifting device and pressure chamber, applied in the direction of measuring device, applying stable tension/pressure to test the strength of materials, instruments, etc., can solve the problems of inconvenient loading and unloading, damaged samples, sample disturbance, etc., to achieve convenient use, Ease of installation and simple operation

Inactive Publication Date: 2019-11-12
SHAOXING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to: ① the weight of the pressure chamber is heavy, especially for the double-layer pressure chamber, it is inconvenient to rely on manpower to complete the loading and unloading; ② geotechnical triaxial instrument without load reaction frame, after the sample is installed, it is very difficult to install the pressure chamber by manpower It is easy to touch the sample to cause "disturbance" or damage the sample

Method used

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  • Pressure chamber lifting device of non-load frame triaxial apparatus
  • Pressure chamber lifting device of non-load frame triaxial apparatus
  • Pressure chamber lifting device of non-load frame triaxial apparatus

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Embodiment Construction

[0020] An embodiment of the present invention provides a lifting device for a pressure chamber of a triaxial instrument without a load frame, such as Figure 1-4 As shown, it is applied to a triaxial instrument. The triaxial instrument includes a pressure chamber 11, a pressure chamber chassis 17, a sample base 18, a sample 19, a sample top cap 20, a sample base 18, a sample 19, and a sample top. The cap 20 is sequentially arranged on the top of the pressure chamber chassis 17 from bottom to top, and the pressure chamber 11 is detachably arranged on the pressure chamber chassis 17 .

[0021] The device includes an upper support plate 1, a plurality of support rods 3, and a lower support plate 2 connected in sequence from bottom to top. The upper support plate 1 is provided with a lifting mechanism, and the pressure chamber 11 is detachably connected to the lifting mechanism.

[0022] The pressure chamber 11 is prior art. The model of the pressure chamber 11 is VJT0450-DW or V...

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Abstract

The invention provides a pressure chamber lifting device of a non-load frame triaxial apparatus and relates to the field of tests of geotechnical engineering and geological engineering. The pressure chamber lifting device is applied on a triaxial apparatus, the triaxial apparatus includes a pressure chamber, a pressure chamber base plate, a test sample base, a test sample, and a test sample cap. The test sample base, the test sample and the test sample cap are arranged in turn on the top of the pressure chamber base plate from the bottom up, the pressure chamber is arranged on the pressure chamber base plate in a detachable manner and includes an upper support disk, several support rods, and a lower support disk connected in turn from the bottom up, a lifting mechanism is arranged on the support disk, and the lifting mechanism includes a ball screw, a ball screw nut, a lifting beam and a guide rail. The pressure chamber lifting device of the non-load frame triaxial apparatus overcomesthe problem that a pressure chamber of a soil engineering non-load frame triaxial apparatus is inconvenient to assemble and disassemble during a test and "disturbance" or damage to a soil sample are easily caused. In the whole process of assembly and disassembly of the pressure chamber, a movement path of the pressure chamber is vertical up and down, which is not easy to touch an installed test sample.

Description

technical field [0001] The invention relates to the technical field of test and test of geotechnical engineering and geological engineering, in particular to a lifting device for a pressure chamber of a triaxial instrument without a load frame. Background technique [0002] Currently on the market, geotechnical triaxial instruments without a load reaction frame have no pressure chamber lifting device, and each time a geotechnical triaxial test changes a sample, the pressure chamber needs to be loaded and unloaded. Due to: ① the weight of the pressure chamber is relatively large, especially for the double-layer pressure chamber, it is inconvenient to rely on manpower to complete the loading and unloading; ② geotechnical triaxial instrument without load reaction frame, after the sample is installed, it is very difficult to install the pressure chamber by manpower It is easy to touch the sample to cause "disturbance" or damage the sample. Contents of the invention [0003] (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02G01N3/08
CPCG01N3/02G01N3/08G01N2203/0019
Inventor 戚国庆
Owner SHAOXING UNIVERSITY
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