CN205225174U - Grouting device - Google Patents
Grouting device Download PDFInfo
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- CN205225174U CN205225174U CN201520860246.6U CN201520860246U CN205225174U CN 205225174 U CN205225174 U CN 205225174U CN 201520860246 U CN201520860246 U CN 201520860246U CN 205225174 U CN205225174 U CN 205225174U
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Abstract
The utility model provides a grouting device, including storing up thick liquid bucket, grout pipe, tool joint, the entrance point and the storage thick liquid bucket of grout pipe are connected, and the outside of grout pipe is located to the tool joint cover, has the annular space between tool joint and the grout pipe, tool joint's upper end and grout pipe sealing connection, tool joint's lower extreme is used for being connected with the drilling tool, be provided with leakage fluid dram and gas vent on tool joint's the lateral wall. The utility model provides a setting up of grouting device's gas vent can prevent the air escape in the drilling tool because the emergence of the false overflow of drilling fluid that the air influence caused has reduced the drilling cost, can also judge whether have that the drilling fluid flows for the grout through the leakage fluid dram simultaneously, confirms to stop the time of the process of being in the milk.
Description
Technical field
The utility model relates to drilling technology, particularly relates to a kind of provisions for grouting.
Background technology
In the trip-out process of drilling well, mud liquid level in well can be caused after drilling tool is tripped out to reduce, next for a long time make liquid level unanimously remain on drilling rod by the height after tripping out if be not in the milk, so the head of liquid in shaft bottom can reduce because of the reduction of liquid level, simultaneously in the process pulled out of hole because the swabbing action of drilling tool can form a negative pressure in shaft bottom, the shaft bottom negative pressure that the reduction of shaft bottom head of liquid and the swabbing action of drilling tool cause can destroy the pressure balance between the strata pressure at the end, ground and mud fluid column pressure widely, occur that strata pressure is greater than the situation of head of liquid, probably there is well kick even blowout, so need to adopt provisions for grouting to be in the milk to drilling tool water hole at trip-out process.In addition, when in the process of boring under employing is provided with the drilling tool of float valve, after drilling fluid is got through in lower brill midway, be ensure the head of liquid in drilling tool water hole, and prevent from losing efficacy the drilling fluid overflow caused because of float valve, often descend 5-10 cylindrical drill tool just to need to be in the milk in drilling tool water hole.
In prior art, slurry storing tank is comprised to drilling tool water hole the adopted provisions for grouting that is in the milk, high pressure line, Grouting Pipe and kelly bar, when needing grouting, be arranged on by kelly bar above drilling tool, the tank slurry drilling fluid liquid in slurry storing tank is entered in drilling tool water hole by high pressure line, Grouting Pipe, kelly bar.
But, when adopting above-mentioned provisions for grouting to be in the milk, air after each grouting in drilling tool can be compressed by the hole bottom drilling tool and be shifted onto in the annular space that the outer sheathed sleeve pipe of drilling tool and drilling tool formed, in the process that air in drilling tool is pushed out, drilling fluid in the annular space that drilling tool and the outer sheathed sleeve pipe of drilling tool can be formed is taken out of, produces false overflow phenomena, disturbs the judgement to true overflow phenomena, thus cause the false judgment to drilling failure, waste of manpower financial resources.
Utility model content
The utility model provides a kind of provisions for grouting, to overcome the technical problem that provisions for grouting of the prior art can cause the false overflow phenomena of drilling fluid.
The utility model provides a kind of provisions for grouting, comprising: slurry storing tank, grout pipe, tool joint;
The entrance point of described grout pipe is connected with described slurry storing tank;
Described tool joint is sheathed on the outside of described grout pipe, has annular space between described tool joint and described grout pipe;
Upper end and the described grout pipe of described tool joint are tightly connected, and the lower end of described tool joint is used for being connected with drilling tool;
The sidewall of described tool joint is provided with leakage fluid dram and exhaust opening.
Provisions for grouting as above, the upper end of described grout pipe and described tool joint is tightly connected by annular cover plate;
Described grout pipe is arranged in the inside of described tool joint by the perforate of described annular cover plate, and stretches out from the lower end of described tool joint;
The diameter of described grout pipe is identical with the diameter of the perforate of described annular cover plate.
Provisions for grouting as above, the outer rim of described annular cover plate and the inner edge of described tool joint are by being welded to connect or being threaded, and described annular cover plate and described grout pipe are by being welded to connect or being threaded.
Provisions for grouting as above, described provisions for grouting also comprises flexible pipe;
Described grout pipe is connected with described slurry storing tank by described flexible pipe.
Provisions for grouting as above, the first end of described flexible pipe is connected with the entrance point of described grout pipe by the first union, and the second end of described flexible pipe is connected with described slurry storing tank by the second union.
Provisions for grouting as above, described provisions for grouting also comprises safety rope, and described safety rope is wrapped in the outside of described flexible pipe.
Provisions for grouting as above, described provisions for grouting also comprises the first safety lock and second safety lock;
Described first safety lock is positioned at the first end of described safety rope, for the first end of described safety rope being fixed on the first end of described flexible pipe;
Described second safety lock is positioned at the second end of described safety rope, for the second end of described safety rope being fixed on the second end of described flexible pipe.
Provisions for grouting as above, described leakage fluid dram is connected with discharging tube.
Provisions for grouting as above, described provisions for grouting also comprises pressure meter, and described pressure meter is arranged on described grout pipe.
Provisions for grouting as above, described leakage fluid dram and exhaust opening are same mouth.
Provisions for grouting of the present utility model comprises slurry storing tank, grout pipe, tool joint, and the entrance point of grout pipe is connected with slurry storing tank, and tool joint is sheathed on the outside of grout pipe, has annular space between tool joint and grout pipe; Upper end and the grout pipe of tool joint are tightly connected, and the lower end of tool joint is used for being connected with drilling tool, the sidewall of tool joint is provided with leakage fluid dram and exhaust opening.Air in drilling tool can be discharged by arranging of exhaust opening, prevent the generation of the false overflow of the drilling fluid caused due to air impact, reduce drilling cost, can also judge whether that grouting drilling fluid flows out by leakage fluid dram simultaneously, determine the time stopping filling process.In addition, provisions for grouting of the present utility model, structure is simple, and easy to use, reliability is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation one of provisions for grouting of the present utility model;
Fig. 2 is the structural representation two of provisions for grouting of the present utility model;
Fig. 3 is the structural representation three of provisions for grouting of the present utility model;
Fig. 4 is the structural representation four of provisions for grouting of the present utility model;
Fig. 5 is the structural representation five of provisions for grouting of the present utility model;
Fig. 6 is the structural representation one after the leakage fluid dram of provisions for grouting of the present utility model connects upper discharging tube.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation one of provisions for grouting of the present utility model, and see Fig. 1, the provisions for grouting of the present embodiment, comprising:
Slurry storing tank 101, grout pipe 102, tool joint 103;
The entrance point 104 of grout pipe 102 is connected with slurry storing tank 101;
Tool joint 103 is sheathed on the outside of grout pipe 102, has annular space 105 between tool joint 103 and grout pipe 102;
Upper end and the grout pipe 102 of tool joint 103 are tightly connected, and the lower end of tool joint 103 is used for being connected with drilling tool;
The sidewall of tool joint 103 is provided with leakage fluid dram 106 and exhaust opening 107.
When needs are in the milk, be first connected with drilling tool the lower end of tool joint 103, drilling tool is connected with the annular space 105 between tool joint 103 and grout pipe 102; Then the valve of slurry storing tank 101 is opened, grouting drilling fluid enters into grout pipe 102 through the entrance point 104 of grout pipe 102, and the hydrophthalmia of the drilling tool connected below tool joint 103 is entered into by grout pipe 102, air now in drilling tool enters into the annular space 105 between tool joint 103 and grout pipe 102 by the hole bottom drilling tool, air in drilling tool is discharged by exhaust opening 107, can not cannot discharge because of air and cause the accumulation of air and produce pressure by drilling fluid and release, produce the false overflow phenomena of drilling fluid; Simultaneously because the upper end of tool joint 103 and grout pipe 102 are tightly connected, thus can also prevent drilling fluid from overflowing from the top of tool joint 103.
After drilling tool water hole is filled by grouting drilling fluid, grouting drilling fluid can flow out from leakage fluid dram 106, thus can judge when terminate filling process easily.
The provisions for grouting of the present embodiment comprises slurry storing tank, grout pipe, tool joint, and the entrance point of grout pipe is connected with slurry storing tank, and tool joint is sheathed on the outside of grout pipe, has annular space between tool joint and grout pipe; Upper end and the grout pipe of tool joint are tightly connected, and the lower end of tool joint is used for being connected with drilling tool, the sidewall of tool joint is provided with leakage fluid dram and exhaust opening.Air in drilling tool can be discharged by arranging of exhaust opening, prevent the generation of the false overflow of the drilling fluid caused due to air impact, reduce drilling cost, can also judge whether that grouting drilling fluid flows out by leakage fluid dram simultaneously, determine the time stopping filling process.In addition, the provisions for grouting of the present embodiment, structure is simple, and easy to use, reliability is high.
Be described in further detail above-described embodiment below, in order to the reliability that will be tightly connected of the upper end and grout pipe 102 that ensure tool joint 103, grout pipe 102 is tightly connected by annular cover plate 108 with the upper end of tool joint 103;
Grout pipe 102 is arranged in the inside of tool joint 103 by the perforate of annular cover plate 108, and stretches out from the lower end of tool joint 103;
The diameter of grout pipe is identical with the diameter of the perforate of annular cover plate 108.
Preferably, the outer rim of annular cover plate 108 and the inner edge of tool joint 103 are by being welded to connect or being threaded, and annular cover plate 108 and grout pipe 102 are by being welded to connect or being threaded; The lower end of tool joint 103 is drilling rod pin thread 109, and drilling tool is connected directly between on drilling rod pin thread 109.
In the present embodiment by grout pipe and tool joint by being welded into one, make the overall structure of provisions for grouting more firm, good seal performance; Be threaded connection part between grout pipe and tool joint to link into an integrated entity, can occur changing annular cover plate or tool joint when damaging at annular cover plate or tool joint.
Fig. 2 is the structural representation two of provisions for grouting of the present utility model, and see Fig. 2, on the basis of above-described embodiment, the provisions for grouting of the present embodiment also comprises flexible pipe 201, and grout pipe 102 is connected with slurry storing tank 101 by flexible pipe 201.
For ensureing that grouting drilling fluid enters grout pipe by flexible pipe 201 smoothly under the pressure of slurry storing tank 101, and flexible pipe does not ftracture, the anti-pressure ability of flexible pipe 201 need at more than 35Mpa, can select rubber hose, PVC hose, stainless steel corrugated flexible hose, nylon hose, flexible pipe of composite material etc., the utility model does not limit this.
Directly adopt flexible pipe that slurry storing tank is connected with Grouting Pipe in this enforcement, because hose quality is low, easily deformable, so facilitate provisions for grouting arbitrarily movement according to actual needs, facilitate the grouting of the drilling tool water hole at diverse geographic location place.Simultaneously compared with high pressure line of the prior art, cost is lower, reduce further drilling cost.
Preferably, the first end of flexible pipe 201 is connected with the entrance point 104 of grout pipe 102 by the first union 202, and the second end of flexible pipe 201 is connected with slurry storing tank 101 by the second union 203;
Particularly, the connected mode that the first union 202 and the entrance point 104 of grout pipe 102 and the first end of flexible pipe 201 adopt can be that butt welding is connected, socket weld connects, is threaded, and the utility model does not limit this; Second union 203 and slurry storing tank 101 and flexible pipe 201 second end connected mode also can be butt welding connection, socket weld is connected, be threaded, the utility model does not limit this.
Union is a kind of conventional conduit coupling that can facilitate installing/dismounting, union is adopted to be connected with the entrance point 104 of grout pipe 102 by the first end of flexible pipe 201, second end of flexible pipe 201 is connected with slurry storing tank 101, the connection between the second end of the connection between the entrance point 104 of the first end of flexible pipe 201 and grout pipe 102 and flexible pipe 201 and slurry storing tank 101 can be made very firm, and easy to connect, improve the reliability of provisions for grouting.
Simultaneously, when needs overhaul, the first end of flexible pipe 201 is needed to be separated with the entrance point 104 of grout pipe 102, second end of flexible pipe 201 is separated with slurry storing tank 101, thus flexible pipe is disassembled, employing union connects, and can not move slurry storing tank 101 and grout pipe 102 and be disassembled by flexible pipe 201.
Fig. 3 is the structural representation three of provisions for grouting of the present utility model, and see Fig. 3, on the basis of above-described embodiment, the provisions for grouting of the present embodiment also comprises safety rope 301, and safety rope 301 is wrapped in the outside of flexible pipe 201.
Under some emergency case, such as the first union 202 and/or the second union 203 is aging or accidental impact causes the connection of the first end of the first union 202 and flexible pipe 201 and the entrance point 104 of grout pipe 102 insecure, and/or second union 203 and the second end of flexible pipe 201 and the connection of slurry storing tank 101 insecure, or pressure is excessive during slurry storing tank 101 outside conveying grouting drilling fluid, flexible pipe 201 may come off, grouting drilling fluid is caused to outflow, can not grouting operation be carried out, add drilling cost simultaneously.The setting of safety rope 301 can well prevent coming off of flexible pipe 201, avoids grouting drilling fluid and outflows, and can not carry out the generation of grouting operation phenomenon.
Fig. 4 is the structural representation four of provisions for grouting of the present utility model.
See Fig. 4, in order to safety rope 301 being firmly wrapped in the outside of flexible pipe 201, avoid safety rope 301 to come off from flexible pipe 201, thus flexible pipe cannot be avoided not come off, the provisions for grouting of the present embodiment also comprises the first safety lock (not shown) and second safety lock 401;
First safety lock is positioned at the first end of safety rope 301, for the first end of safety rope 301 being fixed on the first end of flexible pipe 201;
Second safety lock 401 is positioned at the second end of safety rope 301, for the second end of safety rope 301 being fixed on the second end of flexible pipe 201.
Adopt the first safety lock and second safety lock can convenient and swift outside safety rope being firmly locked in flexible pipe, enhance the protection of safety rope to flexible pipe, further increase the reliability of provisions for grouting.
Fig. 5 is the structural representation five of provisions for grouting of the present utility model, and see Fig. 5, on the basis of above-described embodiment, the provisions for grouting of the present embodiment also comprises pressure meter 501, and pressure meter 501 is arranged in Grouting Pipe 102.
Pressure meter 501 the pressure can observed easily in slip casting process is set, avoid the excessive damage to grouting device of pressure.
Fig. 6 is the structural representation one after the leakage fluid dram of provisions for grouting of the present utility model connects upper discharging tube.
In actual application, leakage fluid dram 106 and exhaust opening 107 can be two different mouths, also can be same mouth.
When leakage fluid dram 106 and exhaust opening 107 are same mouth, in order to ensure that the air in filling process drilling tool in early stage is discharged smoothly, the not prior connected drainage pipe 601 in leakage fluid dram 106 place, easy to exhaust, when there being grouting drilling fluid to flow out, then at leakage fluid dram 106 place connected drainage pipe, and discharging tube is connected to vibrosieve, now, the structural representation after leakage fluid dram connects upper discharging tube refers to Fig. 6.
The setting of discharging tube 601 and vibrosieve, at the end of filling process, can reclaim the grouting drilling fluid flowed out from leakage fluid dram 106, has saved cost.
When leakage fluid dram and exhaust opening are two different mouths, leakage fluid dram 106 can just be connected with discharging tube 601 in advance, and discharging tube 601 is connected to vibrosieve;
Now, it will be understood by those skilled in the art that exhaust opening 107 can be arranged on the top of leakage fluid dram 106, also can be arranged on the below of leakage fluid dram 106, preferably, exhaust opening 107 is arranged on the top of leakage fluid dram 106, prevents grouting drilling fluid from flowing out from exhaust opening 107.
If exhaust opening 107 is arranged on the below of leakage fluid dram 106, then need for exhaust opening 107 arranges valve, when finding that grouting drilling fluid flows out, closing the valve of exhaust opening 107, unnecessary grouting drilling fluid is flowed out from leakage fluid dram 106.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a provisions for grouting, is characterized in that, comprising: slurry storing tank, grout pipe, tool joint;
The entrance point of described grout pipe is connected with described slurry storing tank;
Described tool joint is sheathed on the outside of described grout pipe, has annular space between described tool joint and described grout pipe;
Upper end and the described grout pipe of described tool joint are tightly connected, and the lower end of described tool joint is used for being connected with drilling tool;
The sidewall of described tool joint is provided with leakage fluid dram and exhaust opening.
2. provisions for grouting according to claim 1, is characterized in that, the upper end of described grout pipe and described tool joint is tightly connected by annular cover plate;
Described grout pipe is arranged in the inside of described tool joint by the perforate of described annular cover plate, and stretches out from the lower end of described tool joint;
The diameter of described grout pipe is identical with the diameter of the perforate of described annular cover plate.
3. provisions for grouting according to claim 2, is characterized in that, the outer rim of described annular cover plate and the inner edge of described tool joint are by being welded to connect or being threaded, and described annular cover plate and described grout pipe are by being welded to connect or being threaded.
4. provisions for grouting according to claim 1, is characterized in that, described provisions for grouting also comprises flexible pipe;
Described grout pipe is connected with described slurry storing tank by described flexible pipe.
5. provisions for grouting according to claim 4, is characterized in that, the first end of described flexible pipe is connected with the entrance point of described grout pipe by the first union, and the second end of described flexible pipe is connected with described slurry storing tank by the second union.
6. provisions for grouting according to claim 4, is characterized in that, described provisions for grouting also comprises safety rope, and described safety rope is wrapped in the outside of described flexible pipe.
7. provisions for grouting according to claim 6, is characterized in that, described provisions for grouting also comprises the first safety lock and second safety lock;
Described first safety lock is positioned at the first end of described safety rope, for the first end of described safety rope being fixed on the first end of described flexible pipe;
Described second safety lock is positioned at the second end of described safety rope, for the second end of described safety rope being fixed on the second end of described flexible pipe.
8. provisions for grouting according to claim 1, is characterized in that, described leakage fluid dram is connected with discharging tube.
9. provisions for grouting according to claim 1, is characterized in that, described provisions for grouting also comprises pressure meter, and described pressure meter is arranged on described grout pipe.
10. provisions for grouting according to claim 1, is characterized in that, described leakage fluid dram and exhaust opening are same mouth.
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CN201520860246.6U CN205225174U (en) | 2015-10-30 | 2015-10-30 | Grouting device |
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CN201520860246.6U CN205225174U (en) | 2015-10-30 | 2015-10-30 | Grouting device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108457616A (en) * | 2018-04-18 | 2018-08-28 | 大同煤矿集团有限责任公司 | A kind of provisions for grouting for coal mine flood prevention |
CN108643857A (en) * | 2018-03-08 | 2018-10-12 | 长江大学 | Surface pipe well shaft fixing technology |
CN109989726A (en) * | 2018-11-22 | 2019-07-09 | 上海中煤物探测量有限公司 | Cellular-type underground, which pinpoints syringe and its applies, is repairing the method in water supply well |
-
2015
- 2015-10-30 CN CN201520860246.6U patent/CN205225174U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108643857A (en) * | 2018-03-08 | 2018-10-12 | 长江大学 | Surface pipe well shaft fixing technology |
CN108457616A (en) * | 2018-04-18 | 2018-08-28 | 大同煤矿集团有限责任公司 | A kind of provisions for grouting for coal mine flood prevention |
CN108457616B (en) * | 2018-04-18 | 2024-03-08 | 晋能控股煤业集团有限公司 | Grouting device for preventing and controlling coal mine water damage |
CN109989726A (en) * | 2018-11-22 | 2019-07-09 | 上海中煤物探测量有限公司 | Cellular-type underground, which pinpoints syringe and its applies, is repairing the method in water supply well |
CN109989726B (en) * | 2018-11-22 | 2024-06-11 | 中煤地质集团有限公司 | Divided downhole fixed-point injector and method for repairing water supply pipe well by using same |
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