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Underground cut-off wall interlocking type drill hammer

A technology of underground anti-seepage wall and impact drill bit, which is applied to drill bits, drilling equipment, earth-moving drilling, etc., can solve the problems of difficult selection of anti-seepage treatment and small engineering tasks, and achieves a simple structure, great technical advantages and convenient use. Effect

Inactive Publication Date: 2011-01-12
WATER RESOURCES RES INST OF SHANDONG PROVINCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to choose a good construction technology for anti-seepage treatment of complex strata with small engineering tasks and poor site conditions

Method used

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  • Underground cut-off wall interlocking type drill hammer
  • Underground cut-off wall interlocking type drill hammer

Examples

Experimental program
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Effect test

Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] figure 1 , figure 2 Among them, the principle of the interlocking percussion drill bit for underground cut-off walls is that the plate percussion drill bit 2, under the action of the traction force 6, reciprocates impact on the formation along the guide rod 1, and the plate percussion drill bit 2 is supported by the sliding guide block 3 fixed on the guide rod 1. The direction constraint of , can only move in a straight line along the guide rod 1. Both sides of the guide rod 1 are provided with a water-filled expansion type side sealing device 4, which plays the role of isolating mud, and the hollow guide rod 1 is also a channel for slurry circulation. The cross-section expanding head 5 at the front end of the plate-type percussion drill 2 impacts the formation to form a hole consistent with the section of the guide rod 1, and the guide rod 1 ...

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PUM

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Abstract

The invention discloses an underground water-tight wall interlinked type chopping bit, which solves the shortcomings in prior churn drills that: only drilling circular holes, adopting sleeved slot mode, and difficult to perform execution for thin-wall water-tight walls with thickness smaller than 40cm. The invention has the advantages of simple structure, convenient utilization and effectively overcoming the defects, etc. The structure is that: The invention comprises a guide bar and a panel-type chopping bit; the guide bar is made into a hollow structure with two sides respectively provided with water-filled inflation type side-sealing device; the panel-type chopping bit is connected with the guide bar through a slider mounted on the guide bar, and fulfill straight line movement in vertical direction; the front end of the panel-type chopping bit is provided with a section-expanded end; the panel-type chopping bit is coupled with a traction power source.

Description

technical field [0001] The invention discloses an underground anti-seepage wall interlocking impact drill bit used for punching complex formations into slots and pouring anti-seepage materials for construction of anti-seepage walls, belonging to the technical field of water conservancy construction technology and equipment. Background technique [0002] Percussion drilling rigs have a long history and are widely used in transportation, water conservancy, mines, and building construction projects. They have the advantages of simple equipment, low loss, and wide application in strata, and have been used until now. The percussion drilling rig can effectively solve the drilling construction problems in complex strata such as floating pebbles and hard rock formations that are ubiquitous at present. Since the 1950s in my country, impact drilling rigs have been used in the construction of underground anti-seepage walls in water conservancy projects, and concrete anti-seepage walls ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B10/36E02D29/02
Inventor 肖立生姜旭民赵振林臧旭东李明张联洲陶振常刘艳春李文博谢文鹏
Owner WATER RESOURCES RES INST OF SHANDONG PROVINCE
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