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Underground water sampling device for engineering geological investigation

A technology for engineering geology and groundwater, applied in the field of engineering geological exploration, can solve problems such as blockage of water inlet holes, and achieve the effects of avoiding intervention, being convenient to use, and improving stability.

Inactive Publication Date: 2021-04-23
GUANGDONG PROVINCE PLANNING & DESIGN INST FOR WATER TRANSPORTATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a groundwater sample collection device for engineering geological survey, which can avoid the problem of water inlet hole blockage and improve the efficiency of water sample collection

Method used

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  • Underground water sampling device for engineering geological investigation
  • Underground water sampling device for engineering geological investigation
  • Underground water sampling device for engineering geological investigation

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Embodiment Construction

[0017] Such as figure 1 , 2 As shown, the present invention provides a groundwater sampling device for engineering geological survey, comprising a support 1 and a water intake device 2, the water intake device 2 is installed on the support 1, and the water intake device 2 can slide up and down along the support 1, Wherein the water intake device 2 comprises a survey drill bit 3 and a survey rod 4, the survey drill bit 3 is fixed on the lower end of the survey rod 4, the upper end of the survey rod 4 can slide up and down along the support 1, and the survey rod 4 is a hollow rod provided with a hollow cavity, The end side wall of the survey rod 4 connected with the survey drill bit 3 is provided with a number of water inlets 5, and the inner wall of the water inlet 5 is fixed with a semi-permeable membrane 6. The survey rod 4 is driven by the first cylinder 9, and the cylinder body of the first cylinder 9 is fixed. On the support 1, the first piston rod 8 provided by the first...

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Abstract

An underground water sampling device for engineering geological investigation comprises a support and a water taking device, the water taking device is arranged on the support and can slide up and down along the support, the water taking device comprises an exploration drill bit and an exploration rod, the exploration drill bit is fixed to the lower end of the exploration rod, and the upper end of the exploration rod can slide up and down along the support; the exploration rod is a hollow rod provided with a hollow cavity, a plurality of water inlets are formed in the side wall of the end, connected with the exploration drill bit, of the exploration rod, semi-permeable membranes are fixed to the inner side walls of the water inlets, the exploration rod is driven by a first air cylinder, and a first piston rod of the first air cylinder with a cylinder body fixed to the support penetrates through the upper end of the exploration rod to be inserted into the hollow cavity; one end of a water suction pipe and one end of a water injection pipe penetrate the upper end of the exploration rod to be inserted into the hollow cavity of the exploration rod, and the other ends of the water suction pipe and the water injection pipe are connected with a water sample collecting device and a water injection device respectively. The problem that the water inlet hole is blocked can be avoided, and the water sampling efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of engineering geological survey, in particular to a groundwater sampling device for engineering geological survey. Background technique [0002] With the development of my country's economy and technology, the development and utilization of groundwater resources has increased rapidly, and at the same time it has brought serious pollution to the quality of groundwater. It is particularly necessary to strengthen the supervision and control of groundwater quality. By taking groundwater samples to analyze the quality of groundwater Analyzing the environmental conditions of the entire water area has a huge role in promoting the protection of groundwater quality. [0003] For example, the Chinese patent with the existing publication number CN208223899U discloses a groundwater sampling device for engineering geological survey, including a base, the upper surface of the base is fixedly connected with a sampling cyli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/14
CPCG01N1/14
Inventor 鲁亚楠胡方锐王宇杰
Owner GUANGDONG PROVINCE PLANNING & DESIGN INST FOR WATER TRANSPORTATION
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