CN202810752U - Water resistance device for drilling - Google Patents
Water resistance device for drilling Download PDFInfo
- Publication number
- CN202810752U CN202810752U CN201220427034.5U CN201220427034U CN202810752U CN 202810752 U CN202810752 U CN 202810752U CN 201220427034 U CN201220427034 U CN 201220427034U CN 202810752 U CN202810752 U CN 202810752U
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- drill bit
- drilling
- orifice
- gate valve
- water
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Abstract
The utility model provides a water resistance device for drilling. The water resistance device for the drilling comprises an orifice pipe, a water separation gate valve, a drill bit bin and a friction rope, wherein a part of the orifice pipe is embedded in an opening of a drill hole, one end of the water separation gate valve is connected with the orifice pipe in a sealing mode, one end of the drill bit bin is detachably connected with the other end of the water separation gate valve in a sealing mode, a pressure sealing ring is arranged at the other end of the drill bit bin, a blow-off valve is arranged on a bin body of the drill bit bin, one end portion of the friction rope is fixed outside the bin body of the drill bit bin, and the friction rope is used for winding the portion, exposed outside the drill bit bin, of a drill stem. In the using process, the drill stem penetrates through the pressure sealing ring on the drill bit bin, the drill bit bin, the water separation gate valve and an internal hollow cavity of the orifice pipe, and then stretches in the drill hole. When the water resistance device for the drilling is used in the drilling process, when high-pressure flood suddenly breaks out in the drill hole, the problem that the drill stem is washed away at a high speed by the flood can be avoided, in addition, the opening of the drill hole can be closed quickly under the condition that a drilling tool is not pulled out, then the drilling tool is pulled out, and grout is filled in the drill hole.
Description
Technical field
The utility model relates to the instrument that a kind of geotechnical engineering is used, and specifically, relates to a kind of probing water-tight device.
Background technology
In the geotechnical engineering construction process, use rig when ground is drilled, because the structure in the place ahead and regimen are not clear, the situation of burst swelling often occurs.Therefore, when probing, water-tight device need to be installed.Fig. 1 and Fig. 2 show existing probing water-tight device and use state thereof.Fig. 1 shows the configuration of probing water-tight device when normally drilling in the prior art, and Fig. 2 shows the configuration of probing water-tight device after the probing water outlet in the prior art.As depicted in figs. 1 and 2, existing probing water-tight device 100 ' comprises orifice tube 10 and orifice tube closing cap 20 '.Orifice tube 10 is inserted in the boring 1 in advance, and 11 of its terminal flanges are stayed outside the boring 1.Inject concrete 2 between orifice tube 10 and the boring 1, thereby make orifice tube 10 fixing with respect to boring 1 sealing.When spudding in, drill bit (not shown) and drilling rod 3 in the drilling tool pass orifice tube 10, so drill bit spuds in boring 1.When in drilling process, regimen 4 occurring, extract first drilling rod 3(and comprise drill bit above the drilling rod 3), then use orifice tube closing cap 20 ' to seal the mouth of pipe of orifice tube 10, wherein, the flange 11 of orifice tube closing cap 20 ' by the flange 21 ' on it and orifice tube 10 docks the mouth of pipe that seals orifice tube 10.
Above-mentioned probing water-tight device 100 ' can be suitable for when water yield is smaller.But when running into the high-pressure high-flow regimen, drilling rod might be gone out at a high speed by flood, causes that equipment destroys and casualties.In addition, because the job site drainability is smaller, therefore, the job site is easy to be flooded by flood.If the quick blocking scope of operation and adopt the draining of super-flow drainage system then to need again expensive equipment.
The utility model content
The utility model is made for solving the problems of the technologies described above, its purpose is to provide a kind of probing water-tight device, so that in the process of drilling of using this probing water-tight device to carry out, when boring burst high pressure flood, can prevent that flood from going out drilling rod at a high speed, and, drilling orifice can in the situation that does not withdraw from drilling tool, be sealed rapidly, and after having sealed drilling orifice, withdraw from again drilling tool, and can carry out slip casting to boring.
To achieve these goals, the utility model provides a kind of probing water-tight device, and it comprises: orifice tube, and the part of this orifice tube is embedded in the drilling orifice, and another part of this orifice tube is exposed at outside this drilling orifice; The water proof gate valve, the outer part of drilling orifice that is exposed at of an end of this water proof gate valve and described orifice tube is tightly connected; The drill bit storehouse, an end in this drill bit storehouse and the other end of described water proof gate valve removably are tightly connected, and the other end in this drill bit storehouse is provided with pressure sealing ring, is provided with at least one blow-off valve on the warehouse in this drill bit storehouse; And friction bands, the end of this friction bands is fixed on the warehouse outside in described drill bit storehouse, this friction bands is used for being wrapped in the part outside the described drill bit of being positioned at of the drilling rod storehouse, wherein, in use, the described drilling rod internal cavities that passes the pressure sealing ring on the described drill bit storehouse and pass described drill bit storehouse, described water proof gate valve and described orifice tube stretches in the boring.
In addition, described probing water-tight device can also comprise Grouting Pipe, and this Grouting Pipe is communicated with the outer part of drilling orifice that is exposed at of described orifice tube, and is provided with gate valve in this Grouting Pipe.Further, described probing water-tight device can also comprise the pressure meter meter, and this pressure meter meter is arranged on being exposed on the outer part of drilling orifice of described orifice tube.
Preferably, described water proof gate valve and described orifice tube removably are tightly connected.
From top description and the practice as can be known, in the process of drilling of using probing water-tight device described in the utility model to carry out, when boring burst high pressure flood, firmly make friction bands tightly wrap drilling rod, because the frictional force between friction bands and the drilling rod can reach more than one ton, can prevent that therefore flood from going out drilling rod at a high speed.In addition, can seal rapidly drilling orifice by the blow-off valve of closing on the drill bit storehouse in the situation that does not withdraw from drilling tool.Because the pressure sealing ring of drill bit storehouse end can be with water seal in the situation that does not affect the drilling rod rotation and move, therefore after having sealed drilling orifice by blow-off valve, the drill bit of drilling tool is fallen back in the drill bit storehouse from boring, finally with the water proof gate valve drilling orifice is sealed.At last, after having sealed drilling orifice with the water proof gate valve, can carry out slip casting to boring by Grouting Pipe.Therefore, in the process of drilling of using probing water-tight device described in the utility model to carry out, can prevent water under high pressure gush out the suddenly personnel that injure and equipment, thereby guarantee the safety of engineering.
In the construction that probing water-tight device described in the utility model can be applied to hole in various underground constructions and the mining.
Description of drawings
Fig. 1 shows the configuration of boring water-tight device when normally holing in the prior art;
Fig. 2 shows the configuration of boring water-tight device after the boring water outlet in the prior art; And
Fig. 3 shows the described probing water-tight device of an embodiment of the present utility model and use state thereof.
The specific embodiment
An embodiment of probing water-tight device described in the utility model is described below with reference to the accompanying drawings.Those of ordinary skill in the art can recognize, in the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used for the protection domain of restriction claim.In addition, in this manual, identical Reference numeral represents same or analogous part.
Fig. 3 shows the described probing water-tight device of an embodiment of the present utility model and use state thereof.As shown in Figure 3, the described probing water-tight device 100 of an embodiment of the present utility model comprises orifice tube 10, water proof gate valve 20, drill bit storehouse 30 and friction bands 40.
The part of orifice tube 10 is embedded in the drilling orifice on the ground 200, and another part of orifice tube 10 (comprising its terminal flange 11) then is exposed at outside this drilling orifice.Can inject concrete between orifice tube 10 and the boring, thereby orifice tube 10 is fixed with respect to borehole sealing, as the front is described in conjunction with Fig. 1 and Fig. 2.
The outer part of drilling orifice that is exposed at of one end of water proof gate valve 20 and orifice tube 10 is tightly connected.Concrete example says that the flange 21a of an end of water proof gate valve 20 docks with flange 11 sealings of an end of orifice tube 10, thereby water proof gate valve 20 is tightly connected with orifice tube 10.Preferably, water proof gate valve 20 removably is tightly connected with orifice tube 10.
Thereby an end in drill bit storehouse 30 removably is tightly connected by the other end that docks with water proof gate valve 20 of the flange 21b on the other end of the flange 31a on it for example and water proof gate valve 20.The other end 31b in drill bit storehouse 30 is provided with pressure sealing ring 33.This pressure sealing ring 33 can be rubber ring, can be limited by the pressing piece that is fixed on the block piece on 30 inwalls of drill bit storehouse and be fixed on the other end 31b of drill bit storehouse.Be provided with at least one blow-off valve 32 on the warehouse in drill bit storehouse 30.
The end of friction bands 40 is outside by the warehouse that for example wire clips is fixed on drill bit storehouse 30.Friction bands 40 can be flexible steel cable, is used for being wrapped in the part outside the drill bit storehouse 30 of being positioned at of drilling rod 3.
When using probing water-tight device 100, make drilling rod 3 pass the pressure sealing ring 33 on the drill bit storehouse 30 and the internal cavities that passes drill bit storehouse 30, water proof gate valve 20 and orifice tube 10 stretches in the boring.At this moment, the valve 22 of water proof gate valve 20 is opened, and the blow-off valve 32 on the drill bit storehouse 30 is also opened, and between pressure sealing ring 33 and the drilling rod 3 tiny slit is arranged.So in boring procedure, drilling rod 3 can freely rotate, the sandstone mineral that get out can be discharged from blow-off valve 32.
When in the boring during burst high pressure flood, stop the rotation of drilling rod 3 at once, and rapid friction bands 40 is wrapped in being positioned on the part outside the drill bit storehouse 30 of drilling rod 3, can use in case of necessity crowbar 41 and make friction bands 40 hook oneself on to drilling rod 3.Therefore experiment shows that the frictional force between friction bands 40 and the drilling rod 3 can reach more than 1 ton, can prevent fully that flood from going out drilling rod 3 at a high speed.In this simultaneously, from boring, not withdrawing from the drilling tool situation of (comprising drill bit and drilling rod 3), close immediately all blow-off valves 32 on the drill bit storehouse 30.After the blow-off valve 32 on having closed drill bit storehouse 30, unique possible leakage point is the other end 31b in drill bit storehouse 30, but flood can exert pressure to pressure sealing ring 33, and pressure sealing ring 33 is deformed, thereby with the other end 31b sealing in drill bit storehouse 30.So flood just can not flow out probing water-tight device 100.
Thereby the blow-off valve 32 on having cut out drill bit storehouse 30 makes after flood can not outflow, regulate crowbar 41 to change the frictional force between friction bands 40 and the drilling rod 3, thereby can be bit by bit drill bit and the drilling rod 3 of drilling tool be withdrawed from boring, until drill bit is fallen back in the drill bit storehouse 30.In this process, although seal between pressure sealing ring 33 and the drilling rod 3, the elasticity of pressure sealing ring 33 makes it still can seriously not hinder rotation and the translation of drilling rod 3.
After drill bit falls back on drill bit storehouse 30, the valve 22 on the water proof gate valve 20 is closed, so that the water in the boring can not flow in the drill bit storehouse 30 again.Then, open the blow-off valve 32 on the drill bit storehouse 30, the water in the drill bit storehouse 30 is discharged.At last, drill bit storehouse 30 can be unloaded down from water proof gate valve 20.Like this, all operations of probing water-tight device 100 all is to finish under the controlled condition of the water yield.
In addition, as shown in Figure 3, according to an embodiment of the present utility model, can also Grouting Pipe 50 and/or pressure meter meter 51 be set at probing water-tight device 100.Wherein, Grouting Pipe 50 is communicated with the outer part of drilling orifice that is exposed at of orifice tube 10, and is provided with gate valve in this Grouting Pipe 50.And pressure meter meter 51 also is arranged on being exposed on the outer part of drilling orifice of orifice tube 10.When with water proof gate valve 20 with orifice tube 10 sealings after, can watch hydraulic pressure in the orifice tube 10 by being arranged on pressure meter meter 51 on the orifice tube 10, and can in drilling orifice, carry out slip casting by the Grouting Pipe 50 that is communicated with orifice tube 10 and harness the river.
From top description and the practice as can be known, in the process of drilling of using probing water-tight device described in the utility model to carry out, when boring burst high pressure flood, firmly make friction bands tightly wrap drilling rod, because the frictional force between friction bands and the drilling rod can reach more than one ton, can prevent that therefore flood from going out drilling rod at a high speed.In addition, can seal rapidly drilling orifice by the blow-off valve of closing on the drill bit storehouse in the situation that does not withdraw from drilling tool.Because the pressure sealing ring of drill bit storehouse end can be with water seal in the situation that does not affect the drilling rod rotation and move, therefore after having sealed drilling orifice by blow-off valve, the drill bit of drilling tool is fallen back in the drill bit storehouse from boring, finally with the water proof gate valve drilling orifice is sealed.At last, after having sealed drilling orifice with the water proof gate valve, can carry out slip casting to boring by Grouting Pipe.Therefore, in the process of drilling of using probing water-tight device described in the utility model to carry out, can prevent water under high pressure gush out the suddenly personnel that injure and equipment, thereby guarantee the safety of engineering.
In the construction that probing water-tight device described in the utility model can be applied to hole in various underground constructions and the mining.
It will be appreciated by those skilled in the art that the probing water-tight device that proposes for above-mentioned the utility model, can also make various improvement and combination on the basis that does not break away from the utility model content.Therefore, protection domain of the present utility model should be determined by the content of appending claims.
Claims (4)
1. a probing water-tight device is characterized in that, comprising:
Orifice tube, the part of this orifice tube is embedded in the drilling orifice, and another part of this orifice tube is exposed at outside this drilling orifice;
The water proof gate valve, the outer part of drilling orifice that is exposed at of an end of this water proof gate valve and described orifice tube is tightly connected;
The drill bit storehouse, an end in this drill bit storehouse and the other end of described water proof gate valve removably are tightly connected, and the other end in this drill bit storehouse is provided with pressure sealing ring, is provided with at least one blow-off valve on the warehouse in this drill bit storehouse; And
Friction bands, the end of this friction bands are fixed on the warehouse outside in described drill bit storehouse, and this friction bands is used for being wrapped in the part outside the described drill bit of being positioned at of the drilling rod storehouse,
Wherein, in use, the internal cavities that described drilling rod passes the pressure sealing ring on the described drill bit storehouse and passes described drill bit storehouse, described water proof gate valve and described orifice tube stretches in the boring.
2. probing water-tight device according to claim 1 is characterized in that, also comprises Grouting Pipe, and this Grouting Pipe is communicated with the outer part of drilling orifice that is exposed at of described orifice tube, and is provided with gate valve in this Grouting Pipe.
3. probing water-tight device according to claim 2 is characterized in that, also comprises the pressure meter meter, and this pressure meter meter is arranged on being exposed on the outer part of drilling orifice of described orifice tube.
4. probing water-tight device according to claim 1 is characterized in that, described water proof gate valve and described orifice tube removably are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427034.5U CN202810752U (en) | 2012-08-24 | 2012-08-24 | Water resistance device for drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427034.5U CN202810752U (en) | 2012-08-24 | 2012-08-24 | Water resistance device for drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202810752U true CN202810752U (en) | 2013-03-20 |
Family
ID=47869650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220427034.5U Expired - Lifetime CN202810752U (en) | 2012-08-24 | 2012-08-24 | Water resistance device for drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202810752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610246A (en) * | 2020-12-08 | 2021-04-06 | 河北煤炭科学研究院有限公司 | Water-proof device for coal mining and drilling |
-
2012
- 2012-08-24 CN CN201220427034.5U patent/CN202810752U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610246A (en) * | 2020-12-08 | 2021-04-06 | 河北煤炭科学研究院有限公司 | Water-proof device for coal mining and drilling |
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Legal Events
| 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: 20130320 |