CN212130453U - Slip casting pipe, slip casting subassembly and slip casting hole sealing structure - Google Patents
Slip casting pipe, slip casting subassembly and slip casting hole sealing structure Download PDFInfo
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- CN212130453U CN212130453U CN201921932315.4U CN201921932315U CN212130453U CN 212130453 U CN212130453 U CN 212130453U CN 201921932315 U CN201921932315 U CN 201921932315U CN 212130453 U CN212130453 U CN 212130453U
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- slip casting
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- stopper
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Abstract
The utility model relates to a coal seam probing technical field especially relates to a slip casting pipe, slip casting subassembly and slip casting hole sealing structure, and the slip casting pipe includes the slip casting pipe body, and the slip casting pipe body sets up the elasticity in slip casting stratum tip and only fills in, is equipped with the through-hole on the elasticity only fills in, and the slip casting pipe body passes the through-hole. The embodiment of the utility model provides a thick liquid stopper is only to elasticity has certain deformability, inserts the slip casting sleeve pipe in the drilling at the slip casting pipe after, and the adaptable slip casting sheathed tube internal diameter of slip casting stopper is only stopped to elasticity changes to form block structure in the slip casting sleeve pipe. The utility model discloses can deal with the slip casting sleeve pipe and produce the deformation because of uncertain reason, can't normally go into the condition that only starch the stopper carries out the slip casting, only starch the stopper through elasticity and replace prior art's only starch stopper, produce the back of warping at the slip casting sleeve pipe, also can only starch the stopper with elasticity and transfer to the design position, guarantee normal slip casting process, also avoided drilling simultaneously because of can not go into only starch the stopper normal slip casting and condemned problem, reach the purpose of the normal slip casting construction of drilling.
Description
Technical Field
The utility model relates to a coal seam probing technical field especially relates to a slip casting pipe, slip casting subassembly and slip casting hole sealing structure.
Background
At present, a grout stop plug is often used in grouting construction, under the condition of normal grouting construction, the grout stop plug is lowered into a designed grouting position in a grouting sleeve, then normal grouting is carried out, however, if a stratum generates displacement deformation due to coal seam mining influence before a grouting sleeve which is constructed in advance is not lowered into the grouting stop plug, the grouting sleeve is inevitably deformed, an annular gap between the grout stop plug and the grouting sleeve is small, the grouting sleeve is influenced by deformation of the grouting sleeve, the grout stop plug cannot be normally lowered to the designed grouting position in the grouting sleeve, and if other methods for replacing the grout stop plug are not used, a drill hole is scrapped due to the fact that the grout stop plug cannot be lowered for normal grouting.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The to-be-solved technical problem of the utility model is because of the slip casting sleeve pipe among the prior art, only the thick liquid stopper can't normally transfer to the design slip casting position in the slip casting sleeve pipe, lead to drilling condemned problem.
(II) technical scheme
In order to solve the technical problem, the utility model provides a slip casting pipe, including the slip casting pipe body, the tip that the slip casting pipe body is located slip casting stratum sets up elasticity and ends the thick liquid stopper, elasticity is equipped with the through-hole on ending the thick liquid stopper, the slip casting pipe body passes the through-hole.
The elastic grout stop plug comprises an elastic body and a clamping plate, wherein the clamping plate is arranged at the two ends of the elastic body along the axial direction of the grouting pipe body, and the clamping plate clamps the elastic body and is connected with the grouting pipe body.
The elastomer comprises a plurality of layers of gaskets, and the plurality of layers of gaskets are stacked in the axial direction of the grouting pipe body.
The shape of the elastic body is conical, and the cross-sectional area of the elastic body is gradually reduced along the depth of the drilled hole.
The utility model also provides a slip casting subassembly, include as above the slip casting pipe, still be equipped with the shutoff pipe on the outer wall of slip casting pipe body, the shutoff pipe is followed the axial setting of slip casting pipe body, just the shutoff pipe with the distance is predetermine to having between the thick liquid stopper is only to elasticity.
The utility model also provides a slip casting hole sealing structure, including slip casting sleeve pipe and as above the slip casting subassembly, the slip casting sleeve pipe sets up in the drilling, just slip casting sheathed tube external diameter with the internal diameter of drilling is the same, the slip casting subassembly stretches into in the slip casting sleeve pipe, the external diameter that the slip casting was stopped to elasticity fill in with slip casting sheathed tube internal diameter is the same.
The grouting pipe comprises a grouting pipe body, a plugging pipe, an elastic grout stop plug and a bottom sealing material, wherein the grouting pipe body is filled with the bottom sealing material, the bottom sealing material is arranged between the plugging pipe and the elastic grout stop plug, the end face of the bottom sealing material is in contact with the elastic grout stop plug, and the length of the bottom sealing material is smaller than the preset distance.
Wherein, the sealing bottom material consists of gravel and fine sand.
And a grouting material is arranged above the sealing bottom material.
Wherein, the end of the grouting pipe body on the ground is connected with the grout conveying pipe through the orifice component.
(III) advantageous effects
The above technical scheme of the utility model has following advantage: the utility model discloses slip casting pipe, slip casting subassembly and slip casting hole sealing structure sets up elasticity at the tip of slip casting pipe body and ends the thick liquid stopper, and elasticity ends the thick liquid stopper and has certain deformability, inserts the slip casting sleeve pipe in the drilling at the slip casting pipe after, and the adaptable slip casting sheathed tube internal diameter of slip casting stopper is only stopped to elasticity changes to form block structure in the slip casting sleeve pipe. The utility model discloses can deal with the slip casting sleeve pipe because of uncertain reason, produce under the stratum stress effect and warp, can't normally go into the condition of only starching the stopper and carry out the slip casting, only starching the stopper through elasticity and replacing prior art's only starching the stopper, produce the back of warping at the slip casting sleeve pipe, also can only starching the stopper with elasticity and transfer to the design position, guarantee normal slip casting process, also avoided drilling simultaneously because of can not go into only starching the stopper normal slip casting and condemned problem, reach the purpose of the normal slip casting construction of drilling.
In addition to the technical problems addressed by the present invention, the technical features of the constituent technical solutions, and the advantages brought by the technical features of these technical solutions, which are described above, other technical features of the present invention and the advantages brought by these technical features will be further explained with reference to the accompanying drawings.
Drawings
Fig. 1 is the utility model discloses slip casting hole sealing structure's structural schematic.
In the figure: 1: a grouting pipe body; 2: an elastic grout stop plug; 3: plugging the pipe; 4: grouting a casing pipe; 5: sealing the bottom material; 6: grouting slurry; 7: grouting the stratum; 8: an orifice assembly; 9: a pulp conveying pipe; 21: an elastomer; 22: and (4) clamping the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, unless otherwise specified, "plurality", and "plural" mean two or more, and "several", and "several groups" mean one or more.
As shown in fig. 1, the embodiment of the utility model provides a slip casting pipe, including slip casting pipe body 1, the tip that slip casting pipe body 1 is located slip casting stratum 7 sets up elasticity and ends thick liquid stopper 2, and elasticity is only equipped with the through-hole on the thick liquid stopper 2, and slip casting pipe body 1 passes the through-hole.
The utility model discloses slip casting pipe sets up elasticity at the tip of slip casting pipe body and ends the thick liquid stopper, and elasticity ends the thick liquid stopper and has certain deformability, inserts the slip casting sleeve pipe in the drilling at the slip casting pipe after, and the adaptable slip casting sheathed tube internal diameter of slip casting stopper is stopped to elasticity changes to form block structure in the slip casting sleeve pipe. The utility model discloses can deal with the slip casting sleeve pipe because of uncertain reason, produce under the stratum stress effect and warp, can't normally go into the condition of only starching the stopper and carry out the slip casting, only starching the stopper through elasticity and replacing prior art's only starching the stopper, produce the back of warping at the slip casting sleeve pipe, also can only starching the stopper with elasticity and transfer to the design position, guarantee normal slip casting process, also avoided drilling simultaneously because of can not go into only starching the stopper normal slip casting and condemned problem, reach the purpose of the normal slip casting construction of drilling.
Wherein, the elastic grout stop plug 2 comprises an elastic body 21 and a clamping plate 22, the clamping plate 22 is arranged at the two ends of the elastic body 21 along the axial direction of the grouting pipe body 1, and the clamping plate 22 clamps the elastic body 21 and is connected with the grouting pipe body 1. In this embodiment, the elastomer is elastically deformable, and after applying external force, the elastomer can produce certain deformation and adapt to the smart shape of external ring, and the splint are located the both ends of elastomer, connect into an organic whole with the slip casting pipe body with the elastomer when pressing from both sides tight elastomer. The utility model provides an elasticity only thick liquid stopper is cyclic annular, and the cover is established on the slip casting pipe body is located the tip in the slip casting stratum, and the clamping piece welds integratively with the slip casting pipe body. The elastic body can be made of rubber material, etc., and the clamping plate can be made of iron.
The elastic body 21 includes a plurality of layers of spacers, and the plurality of layers of spacers are stacked in the axial direction of the grouting pipe body 1. In this embodiment, the elastomer is formed by laminating a plurality of gaskets, and the number or thickness of the gaskets can be changed according to actual construction requirements, so as to control the length range of the elastomer on the grouting pipe body. The gasket can be made of soft rubber materials, such as waste vehicle inner tubes and the like.
Wherein, the shape of the elastic body 21 is cone-shaped, and the cross-sectional area of the elastic body 21 is gradually reduced along the depth of the drilled hole. In this embodiment, the shape of the longitudinal section of the elastic body is trapezoidal, the middle of the elastic body is provided with a through hole through which the grouting sleeve body passes, the maximum diameter of the elastic body is the same as the inner diameter of the grouting sleeve, the grouting sleeve is blocked by matching with the shape of the grouting sleeve, the conical elastic body with the downward tip can be used for facilitating the insertion of the grouting pipe into the grouting sleeve, and the two ends of the conical elastic body are fixed by iron clamping plates far smaller than the inner diameter of the grouting sleeve. In other embodiments, the elastic body can also adopt other shapes of a revolution body such as a cylinder, and the maximum diameter of the elastic body is ensured to be the same as the inner diameter of the grouting sleeve.
The embodiment of the utility model provides a slip casting subassembly is still provided, include the slip casting pipe as above embodiment, still be equipped with shutoff pipe 3 on the outer wall of slip casting pipe body 1, shutoff pipe 3 sets up along the axial of slip casting pipe body 1, and shutoff pipe 3 and elasticity only have between the thick liquid stopper 2 and predetermine the distance.
The utility model discloses the slip casting subassembly, the setting of shutoff pipe is on the outer wall of slip casting pipe body, in order to in to slip casting intraductal slip casting pipe of inserting, the shutoff pipe also follows the slip casting pipe body and inserts in the slip casting cover, be used for to pouring into the cement paste hole sealing between slip casting sleeve and the slip casting pipe body, the mouth of pipe and the elasticity of shutoff pipe are only reserved out between the thick liquid stopper and are preset the distance, a reservation safe distance to the sand face for the mouth of pipe of notes grit and shutoff pipe, because the grit can not be with the mouth of pipe shutoff.
In this embodiment, the tip that the shutoff pipe is located ground is banded with rubber band class fag end, and the ligature can not be too strong, is convenient for extract after the injected cement thick liquid.
The embodiment of the utility model provides a slip casting hole sealing structure is still provided, including slip casting sleeve pipe 4 and the slip casting subassembly as above embodiment, slip casting sleeve pipe 4 sets up in the drilling, and the external diameter of slip casting sleeve pipe 4 is the same with the internal diameter of drilling, and the slip casting subassembly stretches into slip casting sleeve pipe 4, and the external diameter that the slip casting stopper 2 was only to elasticity is the same with the internal diameter of slip casting sleeve pipe 4.
The utility model discloses slip casting hole sealing structure, during slip casting bushing insert drilling, slip casting subassembly inserts slip casting stratum position in the slip casting sleeve pipe, and the slip casting sleeve pipe is for adapting to slip casting high pressure requirement, selects the oil sleeve pipe usually. And (5) after drilling and forming holes, putting the petroleum casing pipe in the hole, and cementing the well by adopting a special cementing truck.
Wherein, it is equipped with back cover material 5 to fill between slip casting sleeve 4 and slip casting pipe body 1, and back cover material 5 is located shutoff pipe 3 and elasticity and ends between thick liquid stopper 2, and the terminal surface of back cover material 5 and elasticity only fill liquid stopper 2 contact, and the length of back cover material 5 is less than and predetermines the distance. In order to avoid a gap between the outer wall of the elastic grout stopping plug and the inner wall of the grouting sleeve, cement slurry injected by the plugging pipe leaks from the gap, before cement slurry is injected for sealing holes, a sealing material is firstly put between the plugging pipe and the elastic grout stopping plug, the sealing material is filled between the outer wall of the elastic grout stopping plug and the inner wall of the grouting sleeve, bottoming can be performed on the cement slurry, the cement slurry is prevented from leaking into the drilled holes, a certain space is reserved between the end face, close to the pipe orifice of the plugging pipe, of the sealing material and the pipe orifice of the plugging pipe, smooth grouting of the plugging pipe is guaranteed, and the plugging pipe is not blocked by the sealing material.
Wherein, the bottom sealing material 5 consists of gravel and fine sand. In the embodiment, the sealing material is composed of gravel with larger particles and fine sand with smaller particles, the gravel is put in firstly, the fine sand is put in to fill gaps among the gravel, the dosage is calculated, and the cement slurry injected after plugging can not leak into the drilled hole.
Wherein, a grouting material 6 is arranged above the back cover material 5. After the gravel and fine sand bottom sealing work is finished, cement slurry is stirred, the cement slurry is pressurized by a small grouting pump or a sewage pump and the like and is sent to a preset position, and the cement slurry is blocked in a reverse grouting mode, so that the cement slurry is guaranteed to be blocked to an expected position. And injecting grout such as cement paste and the like to wait for solidification and grout stopping, and finishing the hole sealing work of the whole grouting hole sealing structure.
Wherein the end of the grouting pipe body 1 on the ground is connected with a grout pipe 9 through an orifice component 8. The grouting pipe is connected with the orifice device, the orifice device is connected with the grouting sleeve and the grout conveying pipe, after grouting and hole sealing are completed, the plugging pipe is pulled out, after the grout is solidified (generally after 72 hours), the connection between the grouting pipe and the orifice device is well installed, and grouting is carried out in the grouting pipe through the grout conveying pipe.
When the grouting pipe is used, the reverse screw thread joint is preset above the cement grout stopping surface of the grouting pipe, and part of the grouting pipe can be taken out for recycling after grouting is finished.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A slip casting pipe, characterized in that: the grouting pipe comprises a grouting pipe body, wherein an elastic grout stop plug is arranged at the end part of the grouting pipe body, which is positioned in a grouting stratum, a through hole is formed in the elastic grout stop plug, and the grouting pipe body penetrates through the through hole.
2. The grouting pipe according to claim 1, characterized in that: the elastic grout stop plug comprises an elastic body and a clamping plate, wherein the clamping plate is arranged at the two ends of the elastic body along the axial direction of the grouting pipe body, and the clamping plate clamps the elastic body and is connected with the grouting pipe body.
3. The grouting pipe according to claim 2, characterized in that: the elastomer comprises a plurality of layers of gaskets which are stacked along the axial direction of the grouting pipe body.
4. The grouting pipe according to claim 2, characterized in that: the shape of the elastic body is conical, and the cross-sectional area of the elastic body is gradually reduced along the depth of the drilled hole.
5. A grouting assembly, characterized in that: the grouting pipe comprises the grouting pipe as claimed in any one of claims 1 to 4, wherein a plugging pipe is further arranged on the outer wall of the grouting pipe body, the plugging pipe is arranged along the axial direction of the grouting pipe body, and a space is reserved between the plugging pipe and the elastic grout stop plug, so that sand is injected, a reserved safety distance from a pipe orifice of the plugging pipe to a sand surface is reserved, and the pipe orifice is prevented from being plugged by the sand.
6. The utility model provides a slip casting hole sealing structure which characterized in that: the grouting assembly comprises a grouting sleeve and the grouting assembly as claimed in claim 5, wherein the grouting sleeve is arranged in a drill hole, the outer diameter of the grouting sleeve is the same as the inner diameter of the drill hole, the grouting assembly extends into the grouting sleeve, and the outer diameter of the elastic grout stop plug is the same as the inner diameter of the grouting sleeve.
7. The grouting hole sealing structure according to claim 6, characterized in that: the grouting sleeve and be equipped with the back-off material between the grouting pipe body, just the back-off material level in the shutoff pipe with the elasticity is only starched and is filled between the stopper, just the terminal surface of back-off material with the contact of thick liquid stopper is only stopped to the elasticity, just the length of back-off material is less than the length of interval.
8. The grouting hole sealing structure according to claim 7, characterized in that: the sealing bottom material consists of gravel and fine sand.
9. The grouting hole sealing structure according to claim 7, characterized in that: and a grouting material is arranged above the bottom sealing material.
10. The grouting hole sealing structure according to claim 6, characterized in that: the end part of the grouting pipe body, which is positioned on the ground, is connected with the grout conveying pipe through the orifice component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921932315.4U CN212130453U (en) | 2019-11-08 | 2019-11-08 | Slip casting pipe, slip casting subassembly and slip casting hole sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921932315.4U CN212130453U (en) | 2019-11-08 | 2019-11-08 | Slip casting pipe, slip casting subassembly and slip casting hole sealing structure |
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| Publication Number | Publication Date |
|---|---|
| CN212130453U true CN212130453U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921932315.4U Active CN212130453U (en) | 2019-11-08 | 2019-11-08 | Slip casting pipe, slip casting subassembly and slip casting hole sealing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934512A (en) * | 2022-06-07 | 2022-08-23 | 郑州铁路职业技术学院 | Geotechnical engineering efficient grouting process and device |
| CN115126440A (en) * | 2022-07-25 | 2022-09-30 | 中国煤炭地质总局勘查研究总院 | Goaf grouting pressurization hole sealing device |
-
2019
- 2019-11-08 CN CN201921932315.4U patent/CN212130453U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934512A (en) * | 2022-06-07 | 2022-08-23 | 郑州铁路职业技术学院 | Geotechnical engineering efficient grouting process and device |
| CN114934512B (en) * | 2022-06-07 | 2023-10-27 | 黄河科技学院 | Efficient grouting process and device for geotechnical engineering |
| CN115126440A (en) * | 2022-07-25 | 2022-09-30 | 中国煤炭地质总局勘查研究总院 | Goaf grouting pressurization hole sealing device |
| CN115126440B (en) * | 2022-07-25 | 2023-08-22 | 中国煤炭地质总局勘查研究总院 | Goaf grouting pressurization hole sealing device |
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