Vane type multipoint displacement meter anchor head

A displacement meter and blade-type technology, applied in the field of blade-type multi-point displacement meter anchor head, can solve the problems of surrounding soil damage, inability to effectively apply anchoring force, etc., and achieve the effects of reducing impact, light weight and simple structure

Inactive Publication Date: 2015-05-13
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention of Chinese Patent Publication No. 103821125A discloses an anchor head of a multifunctional multi-point displacement meter, which includes a driving rod, a rotating shaft, a force transmission device, a driven rod, an anchoring ...

Method used

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  • Vane type multipoint displacement meter anchor head
  • Vane type multipoint displacement meter anchor head
  • Vane type multipoint displacement meter anchor head

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Embodiment

[0026] Such as figure 1 and 2 As shown, a vane-type multi-point displacement meter anchor head is used for the measurement of soft soil layers rich in groundwater, including a central axis rod 1, an outer cylinder 3 arranged outside the central axis rod 1 and connected in turn to the central axis rod 1. The chassis 6 and the cross frame 7 at the bottom also include blade pop-up components, cementing components and anchor blades 5. The blade pop-up components are respectively connected with the central axis rod 1, the outer cylinder 3 and the cross frame 7, and the cement components are respectively connected with the outer Tube 3 is connected with anchoring blade 5, and anchoring blade 5 is a blade type blade, such as image 3 As shown, its back is provided with a hollow structure 11, and the anchor blade 5 is connected to the chassis 6 through the screw button 9, and the torsion spring 8 is sleeved on the screw button 9, and the torsion spring 8 is connected with the cross f...

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Abstract

The invention relates to a vane type multipoint displacement meter anchor head which is used for measuring of a soft soil layer rich in underground water. The vane type multipoint displacement meter anchor head comprises a middle shaft rod, an outer cylinder, a bottom disc and a cross frame. The outer cylinder is arranged on the outer portion of the middle shaft rod. The bottom disc is connected with the middle shaft rod and the cross frame respectively. The multipoint displacement meter anchor head further comprises a blade popup component, an adhesion component and an anchor fixing blade. The blade popup component is connected with the middle shaft rod, the outer cylinder and the cross frame. The adhesion component is connected with the outer cylinder and the anchor fixing blade respectively. The anchor fixing blade is a vane type blade, and a hollow structure is arranged on the back of the anchor fixing blade. The anchor fixing blade is connected with the bottom disc through a spiral button which is provided with a torsional spring in a sleeved mode. The torsional spring is connected with the cross frame and the anchor fixing blade respectively. Compared with the prior art, the vane type multipoint displacement meter anchor head has the advantages of being suitable for soft soil, simple in structure, low in self weight, firm in anchor fixing and the like.

Description

technical field [0001] The invention relates to an anchor head of a multi-point displacement gauge, in particular to a blade type multi-point displacement gauge anchor head. Background technique [0002] In order to grasp the settlement of the surrounding bottom surface due to excavation and precipitation during the construction of soft soil areas and underground projects, it is necessary to set up multi-point displacement meters in the borehole for monitoring. At present, there are several types of fixing devices for drilling multi-point displacement measurement points, such as grouting type, shrapnel type, hydraulic support type and inverted wedge type, which are mostly used in rock mass. The large body disturbance destroys the original soft soil structure in the soft soil area, so it is often difficult to measure the ideal settlement data. In addition, the self-weight of the anchor head of the existing multi-point displacement gauge is relatively large, so in soft soil a...

Claims

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Application Information

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IPC IPC(8): E02D1/02
CPCE02D1/08
Inventor 王建秀刘绍莉邵雨乐刘佳星吴林波
Owner TONGJI UNIV
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