CN201448122U - High-pressure rich-water filling solution cavity advanced boring device - Google Patents
High-pressure rich-water filling solution cavity advanced boring device Download PDFInfo
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- CN201448122U CN201448122U CN2009200338760U CN200920033876U CN201448122U CN 201448122 U CN201448122 U CN 201448122U CN 2009200338760 U CN2009200338760 U CN 2009200338760U CN 200920033876 U CN200920033876 U CN 200920033876U CN 201448122 U CN201448122 U CN 201448122U
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- orifice tube
- gutter
- boring
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- rig
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Abstract
The utility model discloses a high-pressure rich-water filling solution cavity advanced boring device, which comprises an orifice tube, a drill for boring and a T-shaped waterproof and drainage pipe mounted at the external end of the orifice tube. The waterproof and drainage pipe is a three-way pipe with a front joint, a rear joint and a lateral joint, wherein the front joint is opposite to the rear joint, the lateral joint is provided with a downward opening, the rear joint of the waterproof and drainage pipe is connected with the orifice tube, the front joint thereof is equipped with a rubber water stop plate, the lateral joint thereof is connected with a guide flow pipe, the front joint, the rear joint and the orifice tube are located on the same straight line, a drill pipe of the drill is inserted to the internal bottom of the orifice tube from the front joint of the waterproof and drainage pipe, and the diameter of a bit of the drill is identical with that of a designed bore diameter. The advanced boring device is simple in boring steps, convenient in operation, low in construction cost and fine in boring effect, and can resolve different actual problems in a boring process utilizing the existing high-pressure rich-water filling solution cavity advanced boring method.
Description
Technical field
The utility model belongs to Karst Tunnel advanced detection technology field, especially relates to the molten chamber advance borehole of a kind of high-pressure water-enriched filling device.
Background technology
When Karst Tunnel was carried out forward probe, it was a kind of accurate means the most directly perceived, the most effective, that advance borehole is surveyed.But when traditional advance borehole method was holed in the molten chamber to high-pressure water-enriched filling, usually because the prominent mud of boring gushing water causes boring to carry out, perhaps charges obstruction impactor caused boring to be forced to end in the molten chamber of high-pressure water-enriched filling.
During the Karst Tunnel advance borehole was surveyed, the high-pressure blast that high blast air compressor machine produces in normal the employing drove the colliery and holes with hydraulic drill rig (as MKD-5S) or large hydraulic rig (the careless CANSSAGRAND6 rig of complying with one's wishes).As shown in Figure 1, when Karst Tunnel is carried out the advance borehole detection, for preventing the prominent mud gushing water of holing, all need before boring, to install orifice tube 4 and high pressure sealing gate valve 3, when dashing forward the mud gushing water in the boring, can move back to bore and close high pressure sealing gate valve 3, stop prominent mud gushing water to be proceeded, prevent that prominent mud gushing water from injuring other installations and facilities such as construction operation personnel, breaking-up boring, also will prevent the well accident of flooding during the counter-slope construction.
In the work progress, the sequence of construction that orifice tube 4 and high pressure sealing gate valve 3 are installed is: adopt the drill bit than the big 15～30mm of design bore diameter to creep into 2～3m earlier; Move back brill then, orifice tube 4 and high pressure sealing gate valve 3 are installed; Afterwards, using and design the suitable drill bit of bore diameter again instead creeps into forward.For example: it is that 30m, diameter are the hole of φ 90mm that advance borehole need be bored a degree of depth, then earlier with φ 120mm bit bore 3m, moves back brill then, and internal diameter φ 108mm orifice tube and high pressure sealing gate valve are installed; Use φ 90mm drill bit then instead and continue to bore forward residue 27m.
When adopting existing advance borehole method to hole, there are following defective and deficiency: the first, when creeping into molten chamber of high-pressure water-enriched filling or Fu Shui stratum, if the prominent mud of boring gushing water, though can carry out sealing by closing the high pressure sealing gate valve 3 that is contained on the orifice tube 4, but close high pressure sealing gate valve 3 must wait to hole in water can be carried out after become silted up being annotated by charges in the molten chamber, otherwise operating personnel still can not be near face, thereby the drill bit drilling rod still can not withdraw from the boring.The second, after by high pressure sealing gate valve 3 water being stopped, boring still can not be carried out, otherwise will face the prominent mud of gushing water once more.Three, because charges stop up impactor, cause in molten chamber, can not creeping into, thereby bore and do not wear molten chamber at drill bit.
In sum, have the problem that is essential and solves below the existence of advance borehole method and apparatus now: 1, when boring generation gushing water is dashed forward mud, the water water conservancy diversion can be gone out face, solve mud mixture and spray to the rig problem and close the high pressure sealing gate valve 3 preceding problems that the drill bit drilling rod is withdrawed from; 2, the water water conservancy diversion is gone out face after, solve the problem that rig still can be holed; 3, solve charges and stop up impactor, bore the molten chamber problem of not wearing.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, the molten chamber advance borehole of a kind of high-pressure water-enriched filling device is provided, it is reasonable in design, easy to operate and construction cost is lower, boring is effective, can effectively solve existing multiple practical problem in the existing advance drilling method for high-pressure water-rich filling cavity boring procedure.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the molten chamber advance borehole of a kind of high-pressure water-enriched filling device, comprise and be installed in the orifice tube on the pending face and boring rig in molten chamber of high-pressure water-enriched filling to be detected or the Fu Shui stratum, it is characterized in that: also comprise the anti-gutter of " fourth " font that is installed in the orifice tube outer end, described anti-gutter be have two over against the front and back interface and the tee piece of a downward opening sidepiece interface, the rear port of wherein anti-gutter with orifice tube joins and its front port on prevent the rubber seal plate that prominent mud gushing water is gone out from the front when boring is installed, will dash forward when the sidepiece interface of anti-gutter is holed with one the mud gushing water from the side water conservancy diversion walk and the mud gushing water that reduces to dash forward joins to the mozzle of rubber seal plate impact force; The front and back interface and the orifice tube of described anti-gutter are located along the same line; The drilling rod of described rig inserts and is inserted to gradually the inside bottom of orifice tube from the front port of anti-gutter; The bit diameter of described rig is consistent with designed bore diameter.
A high pressure sealing gate valve is installed on the sections that described orifice tube and anti-gutter join.
Described rig is a hydraulic drill rig.
The sidepiece interface of described anti-gutter and its front and back interface are perpendicular.
The pressure meter that the orifice tube internal pressure is detected is installed on the sections that described orifice tube and anti-gutter join.
Described hydraulic drill rig is for being the impact drill of power with the high-pressure blast.
Fixedly connected by flange one, flange two and flange three respectively between the rear port of described anti-gutter and the orifice tube, between front port and the rubber seal plate and between side port and the mozzle.
The utility model compared with prior art has the following advantages:
1, reasonable in design, the boring step is simple, easy to operate and construction cost is lower.
2, the anti-drain structure that is adopted is simple, reasonable in design and result of use is good, it is by connecing the anti-gutter of " fourth " font on the former orifice tube, and the front end (promptly positive) at " the anti-gutter of T-shaped " is adorned a high voltage bearing rubber seal plate, and reserve a boring on the rubber seal plate, only can pass borer drill rod, simultaneously adorn a mozzle, with other gutter the gutter of presetting in mozzle and the hole is linked to each other again during boring in the lower end (being the side) of the anti-gutter of " fourth " font.Particularly: the utility model is at first sealed the front of orifice tube by the rubber seal plate, and the prominent mud of boring gushing water can not be sprayed from the front; Secondly the mozzle by joining with anti-gutter sidepiece interface, the prominent mud of pilot bore hole gushing water flows out from the side.
3, can effectively prevent the prominent mud phenomenon of the gushing water that is occurred in the molten chamber advance borehole of the high-pressure water-enriched filling process, injure operating personnel and damage rig thereby avoid the prominent mud of gushing water to go out from the front, even the practical problem of flooding well.
4, can keep boring to carry out continuously, thereby improve drilling efficiency greatly.
5, successfully solved the molten chamber of high-pressure water-enriched filling when creeping into, charges stop up impactor and cause holing and be forced to the difficult problem of ending, can't continue to creep into forward in the molten chamber, particularly the utility model has solved in the detection process of molten chamber, after creeping into molten chamber, when existing gushing water to dash forward mud, operating personnel can't operate, the problem that stops to creep into and because the maintenance of equipment such as drilling rod, impactor, maintenance are improper, and cause drilling rod maybe can't creep into problem.
In sum, the utility model is reasonable in design, the boring step is simple, easy to operate and construction cost is lower, boring is effective, can effectively solve existing multiple practical problem in the existing advance drilling method for high-pressure water-rich filling cavity boring procedure, use the utility model can successfully drill the high-pressure water-enriched filling die cavity and quick detection arrives border, molten chamber, has finally established good basis for the formulation of molten chamber processing scheme.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Construction view when Fig. 1 carries out advance borehole for adopting existing advance borehole device.
Construction view when Fig. 2 carries out advance borehole for adopting the utility model.
The flow chart of Fig. 3 for adopting the utility model to carry out advance borehole.
Description of reference numerals:
1-rubber seal plate; The 2-mozzle; 3-high pressure sealing gate valve;
The 4-orifice tube; 5-flange one; 6-flange two;
7-flange three; 8-vault line; 9-tunnel bottom line;
10-prevents gutter.
The specific embodiment
As shown in Figure 2, the utility model comprises and is installed in the orifice tube 4 on the pending face and boring rig in molten chamber of high-pressure water-enriched filling to be detected or the Fu Shui stratum, also comprises the anti-gutter 10 of " fourth " font that is installed in orifice tube 4 outer ends.Described anti-gutter 10 for have two over against the front and back interface and the tee piece of a downward opening sidepiece interface, the rear port of wherein anti-gutter 10 with orifice tube 4 joins and its front port on prevent the rubber seal plate 1 that prominent mud gushing water is gone out from the front when boring is installed, will dash forward when the sidepiece interface of anti-gutter 10 is holed with one the mud gushing water from the side water conservancy diversion walk and the mud gushing water that reduces to dash forward joins to the mozzle 2 of rubber seal plate 1 impact force.The front and back interface and the orifice tube 4 of described anti-gutter 10 are located along the same line.The drilling rod of described rig inserts and is inserted to gradually the inside bottom of orifice tube 4 from the front port of anti-gutter 10.The bit diameter of described rig is consistent with designed bore diameter.
In the present embodiment, on the sections that described orifice tube 4 and anti-gutter 10 join a high pressure sealing gate valve 3 is installed.Described rig is a hydraulic drill rig, and being specially with the high-pressure blast is the impact drill of power.The sidepiece interface of described anti-gutter 10 and its front and back interface are perpendicular.The pressure meter that orifice tube 4 internal pressures are detected is installed on the sections that described orifice tube 4 and anti-gutter 10 join.
As shown in Figure 3, it is as follows to adopt the utility model to carry out the work progress of advance borehole:
In the boring procedure described in the step 3, after the impactor of described impact drill is stopped up by silt, close the employed high-pressure blast of impact drill earlier; Adopt the water pump that joins with described drilling rod outer end or high-pressure injection pump and the endoporus by this drilling rod inside to feed water under high pressure again in impactor, the impact device washes the silt that stops up and rinses out in impactor; After then turning off water under high pressure and in described impact drill, feeding high-pressure blast, proceed boring.And before in the boring procedure described drilling rod being changed, close the used high-pressure blast of described impact drill earlier, change drilling rod afterwards; Adopt the water pump that joins with the outer end of changing the back drilling rod or high-pressure injection pump and the endoporus by this drilling rod inside to feed water under high pressure again in impactor, the impact device washes the silt that stops up and rinses out in impactor; After turning off water under high pressure at last and in described impact drill, feeding high-pressure blast, proceed boring.In the actual mechanical process, described is that the impact drill of power also can replace with other rig with the high-pressure blast.
In the present embodiment, in the boring procedure described in the step 3, need to guarantee that described drilling rod is coaxial all the time with orifice tube 4.In the actual use, the effect of high pressure sealing gate valve 3 is: during counter-slope boring, after discharge pipe line breaks down in the flow guide system of being made up of mozzle 2 and gutter, can earlier drilling rod be withdrawed from, after close high pressure sealing gate valve 3, reach the purpose that prevents in the handling failure process the prominent watered-out well of prominent mud.
In sum, when adopting the utility model to carry out advance borehole, open high pressure sealing gate valve 3 earlier, make in the boring procedure after the prominent mud gushing water ejection in the boring, enter anti-gutter 10 and directly go through high pressure sealing gate valve 3 to the spray of the front of anti-gutter 10, meeting rubber seal plate 1 afterwards stops and (has prevented that prominent mud gushing water from directly spraying from the front, injure operating personnel and device security, keep bore operation can continue to carry out) after return, mozzle 2 rows that flow to anti-gutter 10 bottoms are in the hole in the default drainage pipe.In the boring procedure, when impactor is stopped up by silt or changes drilling rod, all adopt in boring, to feed the mode that silt washes in the water under high pressure impact device, keep impactor unimpeded.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (7)
1. the molten chamber advance borehole of high-pressure water-enriched filling device, comprise and be installed in orifice tube (4) and the boring rig on the pending face in molten chamber of high-pressure water-enriched filling to be detected or the Fu Shui stratum, it is characterized in that: also comprise the anti-gutter (10) of " fourth " font that is installed in orifice tube (4) outer end, described anti-gutter (10) for have two over against the front and back interface and the tee piece of a downward opening sidepiece interface, the rear port of wherein anti-gutter (10) with orifice tube (4) joins and its front port on prevent the rubber seal plate (1) that prominent mud gushing water is gone out from the front when boring is installed, will dash forward when the sidepiece interface of anti-gutter (10) is holed with one the mud gushing water from the side water conservancy diversion walk and the mud gushing water that reduces to dash forward joins to the mozzle (2) of rubber seal plate (1) impact force; The front and back interface of described anti-gutter (10) and orifice tube (4) are located along the same line; The drilling rod of described rig inserts and is inserted to gradually the inside bottom of orifice tube (4) from the front port of anti-gutter (10); The bit diameter of described rig is consistent with designed bore diameter.
2. according to the molten chamber advance borehole of the described high-pressure water-enriched filling of claim 1 device, it is characterized in that: on the sections that described orifice tube (4) and anti-gutter (10) join a high pressure sealing gate valve (3) is installed.
3. according to claim 1 or the molten chamber advance borehole of 2 described high-pressure water-enriched fillings device, it is characterized in that: described rig is a hydraulic drill rig.
4. according to claim 1 or the molten chamber advance borehole of 2 described high-pressure water-enriched fillings device, it is characterized in that: the sidepiece interface of described anti-gutter (10) and its front and back interface are perpendicular.
5. according to claim 1 or the molten chamber advance borehole of 2 described high-pressure water-enriched fillings device, it is characterized in that: the pressure meter that orifice tube (4) internal pressure is detected is installed on the sections that described orifice tube (4) and anti-gutter (10) join.
6. according to the molten chamber advance borehole of the described high-pressure water-enriched filling of claim 3 device, it is characterized in that: described hydraulic drill rig is for being the impact drill of power with the high-pressure blast.
7. according to claim 1 or the molten chamber advance borehole of 2 described high-pressure water-enriched fillings device, it is characterized in that: fixedly connected by flange one (5), flange two (6) and flange three (7) respectively between the rear port of described anti-gutter (10) and the orifice tube (4), between front port and the rubber seal plate (1) and between side port and the mozzle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200338760U CN201448122U (en) | 2009-07-10 | 2009-07-10 | High-pressure rich-water filling solution cavity advanced boring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200338760U CN201448122U (en) | 2009-07-10 | 2009-07-10 | High-pressure rich-water filling solution cavity advanced boring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448122U true CN201448122U (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200338760U Expired - Lifetime CN201448122U (en) | 2009-07-10 | 2009-07-10 | High-pressure rich-water filling solution cavity advanced boring device |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046537A (en) * | 2012-12-21 | 2013-04-17 | 长江勘测规划设计研究有限责任公司 | Method for plugging exploratory holes above karst caves |
-
2009
- 2009-07-10 CN CN2009200338760U patent/CN201448122U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046537A (en) * | 2012-12-21 | 2013-04-17 | 长江勘测规划设计研究有限责任公司 | Method for plugging exploratory holes above karst caves |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100505 |