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Vehicle-mounted penetration device

A penetration and vehicle-mounted technology, which is applied in the field of foundation soil survey, construction, and infrastructure engineering, etc., can solve the problem that the simultaneous implementation of roadbed survey and roadbed strength detection cannot be realized, and drilling and static penetration cannot be carried out in the same hole. Insufficient penetration pressure and penetration depth, etc., achieve the effect of increasing the work application range, reducing the working time of opening holes, and improving the penetration pressure

Active Publication Date: 2018-11-23
长春建业集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] When the penetration testing device in the prior art is in use, drilling and static penetration testing cannot be carried out in the same hole, and the simultaneous implementation of roadbed survey and roadbed strength detection cannot be realized. The drilling time is long and the damage area to the road surface is large; at the same time Static penetration testing requires ground anchoring procedures, long working hours and high labor intensity, high risk of accidents during work, and insufficient penetration pressure and penetration depth

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0042] Such as figure 1As shown, the vehicle-mounted penetrating device of the present invention includes a chuck 1 and a driving drill rod 2, the chuck is connected with a pressurized oil cylinder 3, and the bottom of the driving drill rod is provided with a driving drill rod handle 4, and the active drill rod handle 4 is connected to the The connecting card 5 is connected, the connecting card 5 is connected with the static penetrating probe 6, the bottom of the static penetrating probe 7 is provided with a static penetrating probe 7, and the static penetrating probe 7 is connected with the static penetrating probe 8 through a shielded wire; The chuck described above is the same as the chuck of the drilling rig, the active drill rod is connected to the vehicle-mounted drilling rig, the penetration probe is pressurized by a pressurized oil cylinder, and the active drill rod is used to transmit pressure; the connection card can be connected to the lifting system of the vehicle-m...

no. 2 example

[0062] Such as figure 2 As shown, the vehicle-mounted penetrating device of the present invention includes a chuck 22, and the center of the chuck is provided with a hexagonal chuck 21, the chuck is connected with a pressurized oil cylinder 23, and the bottom of the hexagonal chuck is provided with an active drill pipe changing wire adapter 24 (male wire-male wire), the active drill pipe changing wire is connected with the short drill pipe 25, and the length of the short drill pipe is related to the stroke and machine height of the pressurized oil cylinder; the bottom of the short drill pipe is provided with a guide pipe 26, which guides The inside of the tube is provided with a static probe rod 27, and the guide tube and the static probe rod are connected by a hand card 28; the bottom of the static probe rod is provided with a static probe 29, and the static probe passes through the shielded wire It is connected with the static penetrometer 8; the chuck is the same as the ch...

no. 3 example

[0080] Such as image 3 As shown, the vehicle-mounted penetrating device of the present invention includes a static penetrating rod 32, the bottom of the static penetrating rod is provided with a static penetrating probe 33, and the static penetrating probe is connected to the static penetrating probe through a shielded wire; An independent pressurized oil cylinder 31 is set on the static penetrating rod. The pressurized oil cylinder is driven by the hydraulic system of the vehicle-mounted drilling rig, and the self-weight of the vehicle on which the vehicle-mounted drilling rig is installed is used as the counter force device. When the self-weight does not meet the requirements, the threaded drill bit is used to As a ground anchor, it realizes the function of static penetration.

[0081] The linear error of the static probe is less than ±1% of the measuring range.

[0082] The insulation resistance of the static contact probe is greater than 500MΩ, and the insulation resista...

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PUM

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Abstract

The invention relates to a vehicle-mounted penetration device. The vehicle-mounted penetration device comprises a chuck, an active drill pipe is arranged in the center of the chuck, the chuck is connected with a pressurizing oil cylinder, an active drill pipe receiver is arranged at the bottom of the active drill pipe and connected with a connecting clamp, the connecting clamp is connected with astatic penetration rod, and a static penetration head is arranged at the bottom of the static penetration rod and connected with a static penetration instrument through a shielded conductor; the chuckis identical with that of a drilling machine, the active drill pipe is connected with the vehicle-mounted drilling machine, pressurizing is performed through the pressurizing oil cylinder in penetration, and the active drill pipe is used for transferring pressure; the connecting clamp can be connected with a lifting system of the vehicle-mounted drilling machine and can be lifted and pulled through the lifting system of the drilling machine.

Description

technical field [0001] The invention relates to the technical field of engineering geological survey, in particular to a vehicle-mounted penetrating probe device. Background technique [0002] Penetration testing is a method of testing the physical and mechanical properties of the soil layer. The external force is used to insert a special test probe into the soil layer, and the physical and mechanical properties of the soil are measured according to the resistance when penetrating, turning and pulling out. CPT can be divided into static CPT, dynamic CPT and impact vibration CPT. [0003] Static penetration testing is to use a pressing device to press the probe into the soil layer to be tested, and use a resistance strain gauge to measure the penetration resistance of the excavated soil. Static penetration testing can determine some basic physical and mechanical properties of soil, such as soil deformation modulus, soil allowable bearing capacity, etc. There are three types...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D1/00
CPCE02D1/00
Inventor 赵忠祥张大盈曹昊天陈昭赵光涛
Owner 长春建业集团股份有限公司
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