CN102500784A - Method for drilling grouting hole in partition plate of muddy water balanced push bench - Google Patents
Method for drilling grouting hole in partition plate of muddy water balanced push bench Download PDFInfo
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- CN102500784A CN102500784A CN2011102983210A CN201110298321A CN102500784A CN 102500784 A CN102500784 A CN 102500784A CN 2011102983210 A CN2011102983210 A CN 2011102983210A CN 201110298321 A CN201110298321 A CN 201110298321A CN 102500784 A CN102500784 A CN 102500784A
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- drilled
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- ball valve
- valve
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Abstract
The invention discloses a method for drilling a grouting hole in a partition plate of a muddy water balanced push bench. The method comprises the following steps that: (1). a straight ball valve is arranged at the position on which a hole needs to be drilled, of the partition plate; (2). a drill rod penetrates through the straight ball valve and a hole is drilled on the straight ball valve; (3). after the straight ball valve is drilled through, the drill rod and a rubber pillar block are pulled out, at the same time, the straight ball valve is closed; and (4). a grouting pipe is connected at the other end of the straight ball valve. In the invention, the straight ball valve is arranged on the partition plate needing to be drilled, after the hole is drilled, the drill rod is pulled out quickly and the straight ball valve is closed, so that high-pressure muddy water at the front end can be prevented from ejecting from the drilling hole; after the straight ball valve is closed, sufficient time is reserved for connecting the grouting pipe at the other end of the straight ball valve.
Description
Technical field
The present invention relates to a kind of slurry-water balance type push-bench, relate in particular to a kind of slurry-water balance type push-bench is drilled with injected hole when operation method.
Background technology
The slurry-water balance type push-bench is divided into front and rear through demarcation strip with head, and during construction operation, the circulation muddy water that the head front portion is full of certain pressure is used for balance end face water and soil pressure, and equipment such as motor are installed at the head rear portion, link to each other with tube coupling.Just relatively more difficult in the time need on demarcation strip, being drilled with injected hole because of the high-pressure slip-casting requirement; Because drilling after wooden partition extracts drill bit; The just ejection from boring of front end high muddy water; Often not free and working face is installed grouting pipe, and this just brings bigger difficulty to construction, but also can waste many muddy water.
Summary of the invention
To the problems referred to above, the invention provides the method that is drilled with injected hole on a kind of slurry-water balance type push-bench demarcation strip, this method can not only prevent the ejection from boring of front end high muddy water, also can have time enough that grouting pipe is installed.
The technical scheme that the present invention is adopted for its technical problem of solution is:
Be drilled with the method for injected hole on a kind of slurry-water balance type push-bench demarcation strip, this method comprises the steps:
1), a straight-through valve is set in the position that demarcation strip need be holed;
2), let drilling rod pass straight-through valve and boring;
3), when the hole drills fully, extract drilling rod and rubber column piece, close straight-through valve simultaneously;
4), the other end at straight-through valve connects Grouting Pipe.
As the further improvement of such scheme, 1) and 2) between increase the step of a sheathed rubber column piece on drilling rod.
Wherein, the caliber of the straight-through valve in the said step 1 is bigger than the aperture that is drilled with the hole.
Further, the diameter of said rubber column piece is between the straight-through valve caliber and be drilled with between the aperture, hole.
The invention has the beneficial effects as follows: of the present inventionly straight-through valve is set on through demarcation strip in need boring in the method that is drilled with injected hole on the slurry-water balance type push-bench demarcation strip; Extract drilling rod after hole drill has been established rapidly and close straight-through valve; To prevent the ejection from boring of front end high muddy water, straight-through valve is closed the back just can have the sufficient time to connect Grouting Pipe at the other end of straight-through valve; In addition, before being drilled with, a sheathed rubber column piece on drilling rod makes the space between drilling rod and the straight-through valve filled by the rubber column piece, and front end high muddy water is penetrated in the straight-through valve from boring in the time of can effectively preventing to be drilled with.
The specific embodiment
Be drilled with the method for injected hole on a kind of slurry-water balance type push-bench demarcation strip of the present invention, this method comprises the steps:
1, in the position that demarcation strip need be holed a straight-through valve is set, the caliber of this straight-through valve is bigger than the aperture that is drilled with the hole; For the ease of operation, normally directly be welded on the demarcation strip straight-through valve;
2, a sheathed rubber column piece on drilling rod, the diameter of said rubber column piece is between the straight-through valve caliber and be drilled with between the aperture, hole; A sheathed rubber column piece on drilling rod; Space between drilling rod and the straight-through valve is filled by the rubber column piece; Front end high muddy water is penetrated in the straight-through valve from boring in the time of can effectively preventing to be drilled with, and the rubber column piece also can adopt other to have the structure replacement of elasticity and sealing effect certainly;
3, let drilling rod pass straight-through valve, the rubber column piece is pressed on the demarcation strip, then boring; Wherein the effective length of drilling rod adds greater than ball valve length and cuts apart plate thickness;
4, when the hole drills fully, extract drilling rod and rubber column piece rapidly, close straight-through valve simultaneously, to prevent the ejection from boring of front end high muddy water;
5, in the other end connection Grouting Pipe of straight-through valve, because straight-through valve is closed so have time enough to connect Grouting Pipe.
More than be that preferable enforcement of the present invention is specified; But the invention is not limited to said embodiment; Those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite of spirit of the present invention, distortion that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (4)
1. be drilled with the method for injected hole on the slurry-water balance type push-bench demarcation strip, this method comprises the steps:
1), a straight-through valve is set in the position that demarcation strip need be holed;
2), let drilling rod pass straight-through valve and boring;
3), when the hole drills fully, extract drilling rod and rubber column piece, close straight-through valve simultaneously;
4), the other end at straight-through valve connects Grouting Pipe.
2. be drilled with the method for injected hole on a kind of slurry-water balance type push-bench demarcation strip according to claim 1, it is characterized in that: 1) and 2) between increase the step of a sheathed rubber column piece on drilling rod.
3. be drilled with the method for injected hole on a kind of slurry-water balance type push-bench demarcation strip according to claim 1 and 2, it is characterized in that: the caliber of the straight-through valve in the said step 1 is bigger than the aperture that is drilled with the hole.
4. be drilled with the method for injected hole on a kind of slurry-water balance type push-bench demarcation strip according to claim 2, it is characterized in that: the diameter of said rubber column piece is between the straight-through valve caliber and be drilled with between the aperture, hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102983210A CN102500784A (en) | 2011-09-28 | 2011-09-28 | Method for drilling grouting hole in partition plate of muddy water balanced push bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102983210A CN102500784A (en) | 2011-09-28 | 2011-09-28 | Method for drilling grouting hole in partition plate of muddy water balanced push bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102500784A true CN102500784A (en) | 2012-06-20 |
Family
ID=46212949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102983210A Pending CN102500784A (en) | 2011-09-28 | 2011-09-28 | Method for drilling grouting hole in partition plate of muddy water balanced push bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102500784A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070701A (en) * | 2007-06-04 | 2007-11-14 | 上海交通大学 | Construction method of enclosing level rotary-jet pile hole-mouth using double-liquid slip jection method |
| CN201367858Y (en) * | 2009-01-12 | 2009-12-23 | 四川内江宏生石油机械有限公司 | Pressurized drilling device for drilling rod |
| CN201572942U (en) * | 2009-12-25 | 2010-09-08 | 唐山科汇达仪器仪表有限公司 | On-line under-pressure perforating device |
| CN101864968A (en) * | 2010-06-23 | 2010-10-20 | 广东华隧建设股份有限公司 | Anti-spouting device for tunnel bottom stratum consolidation and construction method thereof |
| CN101876238A (en) * | 2009-11-28 | 2010-11-03 | 中煤第五建设公司 | Anti-spraying connector for long-distance horizontal drilling |
| CN102168530A (en) * | 2010-12-29 | 2011-08-31 | 西南石油大学 | Pressure drilling device for a drill stem and a using method thereof |
-
2011
- 2011-09-28 CN CN2011102983210A patent/CN102500784A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070701A (en) * | 2007-06-04 | 2007-11-14 | 上海交通大学 | Construction method of enclosing level rotary-jet pile hole-mouth using double-liquid slip jection method |
| CN201367858Y (en) * | 2009-01-12 | 2009-12-23 | 四川内江宏生石油机械有限公司 | Pressurized drilling device for drilling rod |
| CN101876238A (en) * | 2009-11-28 | 2010-11-03 | 中煤第五建设公司 | Anti-spraying connector for long-distance horizontal drilling |
| CN201572942U (en) * | 2009-12-25 | 2010-09-08 | 唐山科汇达仪器仪表有限公司 | On-line under-pressure perforating device |
| CN101864968A (en) * | 2010-06-23 | 2010-10-20 | 广东华隧建设股份有限公司 | Anti-spouting device for tunnel bottom stratum consolidation and construction method thereof |
| CN102168530A (en) * | 2010-12-29 | 2011-08-31 | 西南石油大学 | Pressure drilling device for a drill stem and a using method thereof |
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| PB01 | Publication | ||
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Application publication date: 20120620 |