CN212270940U - Drilling and grouting integrated grouting device - Google Patents
Drilling and grouting integrated grouting device Download PDFInfo
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- CN212270940U CN212270940U CN202020754462.3U CN202020754462U CN212270940U CN 212270940 U CN212270940 U CN 212270940U CN 202020754462 U CN202020754462 U CN 202020754462U CN 212270940 U CN212270940 U CN 212270940U
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Abstract
The utility model provides a drilling and grouting integrated grouting device, which comprises a drill rod, a screw thread joint, an anti-blocking device and a drill bit; when the device is matched with drilling equipment for operation, the piston blade of the anti-blocking device is closed, so that coarse particles in a permeable stratum can be effectively blocked from entering a drill rod, a drill rod channel is prevented from being blocked, meanwhile, surplus rock-soil particles in a drill bit can be continuously dispersed into a drill hole through injecting efficient and continuous pressure slurry or circulating water, the surplus rock-soil particles are returned to the outside of the drill hole through a gap between the drill rod and the drill hole, and the slurry forms an effective circulating wall protection system, so that the risk of collapse of the drill hole is avoided, and the drilling quality is ensured; during the cooperation slip casting equipment operation of this application device, the process of changing the slip casting pipeline has been reduced as the slip casting pipeline to the drilling rod, and piston blade can prevent that the soil granule in the stratum that permeates water from getting into and blockking up the slip casting passageway, reduces grouting pressure's dissipation for pressure slip casting is effectively cut and is filled the ground body, guarantees the slip casting quality.
Description
Technical Field
The utility model relates to a ground drilling slip casting construction field especially relates to a bore and irritate integrative slip casting device.
Background
At present, the drilling process and the grouting process adopted by foundation reinforcement and curtain water stop reinforcement engineering under the geological condition of permeable stratum in the geotechnical field are configured independently, appropriate drilling and grouting mechanical equipment is respectively selected, and corresponding construction processes are adopted for construction operation (the construction process of firstly forming holes and then installing grouting equipment is adopted), so that the working efficiency is influenced to a certain extent, the traditional hole forming and grouting construction process is multiple in process, production faults and quality hidden troubles are easy to occur, and the working strength and the production cost are increased; meanwhile, the grouting material has certain defects in preventing the blockage of a slurry circulating pipeline for pore forming and a pipeline for grouting, and also has the following defects:
firstly, the traditional construction is generally carried out with a hole forming mode of slurry wall protection, the strong permeable stratum is generally large in porosity, the stratum contains large and large amount of coarse particles, the coarse particles cannot be completely separated due to heavy weight in the slurry circulation process, part of the particles are gathered at a circulating water inlet and a circulating water outlet of a drill rod to block a circulating channel, so that the serious pipe blockage phenomenon is caused, the hole forming effect is influenced, certain risk of drill hole collapse is caused, and the working efficiency is influenced.
Secondly, a pressure type grouting process is generally adopted in grouting operation in traditional construction, and a grouting device needs to be independently installed after a hole-forming drill rod is taken out in the traditional grouting process, so that more time needs to be consumed to a certain extent in the mode, and the working efficiency is influenced. Meanwhile, due to the technical defects of drilling and drill rod blockage in hole forming operation, when grouting operation is carried out, due to the fact that grouting pressure is dissipated to different degrees due to the blockage of the drilling and the drill hole, rock and soil bodies cannot be effectively cut, grouting effect is poor, actual demand effect cannot be achieved, quality is restricted differently, and working efficiency is affected to a certain degree.
Therefore, a drilling and grouting integrated grouting device is needed in the industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bore integrative slip casting device of irritating to solve the problem that exists among the background art.
In order to realize the purpose, the utility model provides a drilling and grouting integrated grouting device, which comprises a drill rod, a screw thread joint, an anti-blocking device and a drill bit; the drill rod is a hollow drill rod, a grouting opening is formed in the drill rod, a grout outlet is formed in the drill bit, one end of the screw thread connector is connected with the drill rod, the other end of the screw thread connector is connected with the drill bit, an anti-blocking device is arranged in the screw thread connector and is normally closed, and the anti-blocking device is communicated with the drill bit under the impact of pressure.
Further, the anti-clog device includes a plurality of springs and a plurality of piston blades; the springs are arranged on the side wall in the screw thread joint and are arranged at intervals along the circumferential direction of the inner side wall of the screw thread joint; a plurality of piston blades are spliced into an integral structure; the integral structure is inserted in the screw thread joint and is connected with a plurality of springs and used for plugging a communication channel of the screw thread joint; the integral structure pulls a plurality of piston blades to be dispersed and opened under the pressure impact and the elastic deformation force of the spring, so that the communication between the drill rod and the drill bit is realized.
Furthermore, the screw thread joint is of a hollow cylindrical structure without an upper bottom cover and a lower bottom cover and is used for communicating the drill rod and the drill bit; the springs are arranged on the side wall in the screw thread joint, the springs are arranged at intervals along the circumferential direction of the inner side wall of the screw thread joint, and each spring is arranged along the height direction of the screw thread joint; the piston blade structure is fan-shaped, a plurality of piston blades are spliced into a whole circular structure, and the circular structure is inserted on the screw thread joint to block a channel for communicating the drill rod and the drill bit through the screw thread joint; the springs are respectively connected with the circumferential arc edges of the circular structure, and the circular structure is opened by pulling a plurality of piston blades under the action of pressure impact and the elastic force of the springs in a dispersing manner, so that the drill rod and the drill bit are communicated.
Furthermore, two ends of the springs are respectively connected with a hook ring, and the hook rings are welded on the side walls of the screw thread joints.
Further, the number of the springs is equal to the number of the piston blades, and each spring is correspondingly connected with one piston blade.
Further, the drill bit is a three-blade drill bit.
Furthermore, one end of the drill rod, which is provided with a grouting opening, can be externally connected with drilling equipment for drilling; meanwhile, one end of the drill rod, which is provided with a grouting opening, can be externally connected with grouting equipment for grouting operation.
Further, the piston blade of the anti-blocking device can be opened under the impact of the slurry pressure, and the value range of the slurry pressure is more than 0.5 MPa.
The utility model discloses following beneficial effect has:
the utility model provides a bore and irritate integrative slip casting device, including the drilling rod, the screw thread joint, anti-clogging device and drill bit, anti-clogging device includes piston blade and spring, when the piston blade atress can be opened this application device cooperation drilling equipment operation, anti-clogging device's piston blade closure can effectively block the coarse grain in the stratum that permeates water and get into in the drilling rod, prevent the drilling rod passageway jam, simultaneously can be with the continuous rushing away of surplus ground granule in the drill bit to the drilling in through the high-efficient pressure thick liquid or the circulating water that lasts of pouring into, and return to the drilling outside through the space between drilling rod and the drilling, and the thick liquid forms effective circulation dado system, effectively avoid the drilling risk of collapsing, guaranteed drilling quality; during the cooperation slip casting equipment operation of this application device, the drilling rod has directly reduced the process of changing the slip casting pipeline as the slip casting pipeline, and piston blade can prevent that the soil granule in the stratum that permeates water from getting into and stopping up the slip casting passageway, reduces grouting pressure's dissipation, guarantees that slip casting's pressure is high-efficient for pressure slip casting effectively cuts and fills the ground body, guarantees the slip casting quality.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of a drilling and grouting integrated grouting device of the present invention;
FIG. 2 is a connection structure diagram of the drill pipe, the threaded joint, the drill bit and the anti-blocking device in FIG. 1;
FIG. 3 is a top view of the connection of the piston blade, shackle and threaded connection of the anti-clogging device of FIG. 2;
the drilling device comprises a drill rod 1, a drill rod 1.1, a grouting opening 1.2, a drill rod channel 2, a threaded connector 3, a drill bit 3.1, a grout outlet 4, an anti-blocking device 5, a piston blade 6, a spring 7, a shackle 8 and a drill hole.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 to 3, the utility model provides a drilling and grouting integrated grouting device, which comprises a drill rod 1, a screw thread joint 2, an anti-blocking device 4 and a drill bit 3; the drill rod is a hollow drill rod, a grouting opening 1.1 is formed in the drill rod, a grout outlet 3.1 is formed in the drill bit 3, one end of the screw thread connector is connected with the drill rod, the other end of the screw thread connector is connected with the drill bit, an anti-blocking device is arranged in the screw thread connector and is normally closed, and the anti-blocking device is communicated with the drill rod under the impact of pressure.
The drill bit in the embodiment is a three-blade drill bit, and a slurry outlet is reserved on the three-blade drill bit; the anti-clogging device comprises a plurality of piston blades 5, a plurality of springs 6 and a plurality of shackles 7; the screw thread joint is a hollow cylinder without an upper bottom cover and a lower bottom cover, the upper end of the screw thread joint is connected with a drill, the lower end of the screw thread joint is connected with a drill, the hook ring 7 is fixed on the inner side wall of the screw thread joint 2 in a welding mode (spot welding), two hook rings are one group, and the two hook rings are respectively welded at the upper corresponding position and the lower corresponding position of the inner side wall of the screw thread joint; four groups of shackles and four springs are arranged in the embodiment, the four groups of shackles are uniformly distributed along the circumferential direction of the inner side wall of the screw thread joint, the four springs are respectively hung on the four groups of shackles, the number of the piston blades 5 is four, the piston blades are of a fan-shaped structure, the four piston blades are spliced into a whole circular structure, the circular structure is inserted in the screw thread joint, the circumferential arc edge of each piston blade of the circular structure is respectively connected with each spring, the arc edge of each piston blade is connected with one spring and is connected to the center of the arc edge, each piston blade is arranged in the middle of the whole section of spring, and the piston blades are connected with the springs in a welding mode (spot welding); the two ends of the spring are hung on the hook ring, so that the spring is not easy to slip when working, and the replacement of the spring is facilitated; the anti-blocking piston blade is normally closed, so that soil particles in a permeable stratum can be effectively blocked from entering the drill rod, and the drill rod channel 1.2 and the grouting channel are prevented from being blocked; and meanwhile, when the grouting port of the drill rod injects high-efficiency continuous pressure slurry or circulating water, the spring is compressed and deformed by pressure impact, and the piston blade is pulled by the elastic force of the spring and opened under the pressure impact, so that effective drilling and grouting are realized. The piston blade of the anti-blocking device can be opened under the pressure impact of the slurry, and the value range of the slurry pressure is more than 0.5 MPa; it should be noted that how much pressure impact the piston vane is specifically to open can be designed according to actual conditions.
In the foundation stabilization and curtain stagnant water project, adopt the utility model relates to a bore and irritate integrative and anti-clogging device cooperation drilling equipment when carrying out the pore-forming operation, piston blade normal close, can effectively block the coarse particle in the stratum of permeating water and get into in the drilling rod, prevent the drilling rod passageway jam, simultaneously can be with the abundant ground granule in the drill bit in the continuous and continuous rushing away to the drilling hole of continuous through pouring into high-efficient continuous pressure thick liquid or circulating water, and return to the drilling outside through the space between drilling rod 1 and drilling 8, and the thick liquid forms the effectual circulation dado system, effectively avoid the risk of drilling collapse, guaranteed drilling quality, provide the advantage for follow-up slip casting work; adopt the utility model relates to a bore when irritating an organic whole and anti-clogging device cooperation slip casting operation, regard the drilling rod as the slip casting pipeline, the process of changing the slip casting pipeline has directly been reduced, the process operating time has been shortened, the piston blade who sets up simultaneously can prevent to permeate water in the soil granule entering drilling rod in the stratum, block up the slip casting passageway, thereby reduce grouting pressure's dissipation (when the pipeline is stopped up by earth granule, the original pressure of earth granule dissipation slip casting can be strikeed in the slip casting), guarantee the pressure of slip casting, make pressure slip casting effectively cut and fill the ground body toward same direction, guarantee the slip casting quality.
The utility model relates to a bore integrative slip casting device of irritating and drill and bore and slip casting operation, not only guaranteed operating mass, and simplified the process flow, the while flexible operation is convenient, production trouble is few, improves work efficiency and reduces manufacturing cost, subtracts the burden for the enterprise, has accomplished to upgrade and has increased the efficiency.
It should be noted that the drilling equipment, the grouting equipment and the connection mode of the equipment and the drill rod related to the embodiments are all the prior art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A drilling and grouting integrated grouting device is characterized by comprising a drill rod, a threaded connector, an anti-blocking device and a drill bit; the drill rod is a hollow drill rod, a grouting opening is formed in the drill rod, a grout outlet is formed in the drill bit, one end of the screw thread connector is connected with the drill rod, the other end of the screw thread connector is connected with the drill bit, an anti-blocking device is arranged in the screw thread connector and is normally closed, and the anti-blocking device is communicated with the drill bit under the impact of pressure.
2. The drill-and-fill integrated grouting device as claimed in claim 1, wherein the anti-clogging device comprises a plurality of springs and a plurality of piston blades; the springs are arranged on the side wall in the screw thread joint and are arranged at intervals along the circumferential direction of the inner side wall of the screw thread joint; a plurality of piston blades are spliced into an integral structure; the integral structure is inserted in the screw thread joint and is connected with a plurality of springs and used for plugging a communication channel of the screw thread joint; the integral structure pulls a plurality of piston blades to be dispersed and opened under the pressure impact and the elastic deformation force of the spring, so that the communication between the drill rod and the drill bit is realized.
3. The drilling and grouting integrated grouting device as claimed in claim 2, wherein the threaded joint is of a hollow cylindrical structure without an upper bottom cover and a lower bottom cover and is used for communicating the drill rod with the drill bit; the springs are arranged on the side wall in the screw thread joint, the springs are arranged at intervals along the circumferential direction of the inner side wall of the screw thread joint, and each spring is arranged along the height direction of the screw thread joint; the piston blade structure is fan-shaped, a plurality of piston blades are spliced into a whole circular structure, and the circular structure is inserted on the screw thread joint to block a channel for communicating the drill rod and the drill bit through the screw thread joint; the springs are respectively connected with the circumferential arc edges of the circular structure, and the circular structure is opened by pulling a plurality of piston blades under the action of pressure impact and the elastic force of the springs in a dispersing manner, so that the drill rod and the drill bit are communicated.
4. A drill-and-fill integrated grouting device according to any one of claims 1-3, characterized in that the ends of the springs are respectively connected with a shackle, and the shackles are welded on the side wall of the threaded joint.
5. The drilling and grouting integrated device as claimed in claim 4, wherein the number of the springs is equal to the number of the piston blades, and each spring is correspondingly connected with one piston blade.
6. The drilling and grouting integrated device as claimed in claim 5, wherein the drill bit is a tri-lobe drill bit.
7. The drilling and grouting integrated grouting device as claimed in claim 6, wherein one end of the drill rod, provided with the grouting port, can be externally connected with drilling equipment for drilling; meanwhile, one end of the drill rod, which is provided with a grouting opening, can be externally connected with grouting equipment for grouting operation.
8. The drilling and grouting integrated grouting device of claim 7, wherein the piston blade of the anti-blocking device is opened under the impact of slurry pressure, and the range of the slurry pressure is more than 0.5 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020754462.3U CN212270940U (en) | 2020-05-09 | 2020-05-09 | Drilling and grouting integrated grouting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020754462.3U CN212270940U (en) | 2020-05-09 | 2020-05-09 | Drilling and grouting integrated grouting device |
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| Publication Number | Publication Date |
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| CN212270940U true CN212270940U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020754462.3U Active CN212270940U (en) | 2020-05-09 | 2020-05-09 | Drilling and grouting integrated grouting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463641A (en) * | 2021-07-09 | 2021-10-01 | 中电建路桥集团有限公司 | High-pressure grouting device and control method |
| CN115075844A (en) * | 2022-05-10 | 2022-09-20 | 北京市市政四建设工程有限责任公司 | Underground excavation hole-entering supporting structure and supporting method thereof |
| CN115874601A (en) * | 2022-11-10 | 2023-03-31 | 中化学土木工程有限公司 | Efficient anti-solidification grouting device and grouting method |
-
2020
- 2020-05-09 CN CN202020754462.3U patent/CN212270940U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463641A (en) * | 2021-07-09 | 2021-10-01 | 中电建路桥集团有限公司 | High-pressure grouting device and control method |
| CN115075844A (en) * | 2022-05-10 | 2022-09-20 | 北京市市政四建设工程有限责任公司 | Underground excavation hole-entering supporting structure and supporting method thereof |
| CN115874601A (en) * | 2022-11-10 | 2023-03-31 | 中化学土木工程有限公司 | Efficient anti-solidification grouting device and grouting method |
| CN115874601B (en) * | 2022-11-10 | 2023-11-10 | 中化学土木工程有限公司 | High-efficiency solidification-preventing grouting device and grouting method |
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