CN216551956U - Steel pipe pile grouting device - Google Patents
Steel pipe pile grouting device Download PDFInfo
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- CN216551956U CN216551956U CN202123030467.5U CN202123030467U CN216551956U CN 216551956 U CN216551956 U CN 216551956U CN 202123030467 U CN202123030467 U CN 202123030467U CN 216551956 U CN216551956 U CN 216551956U
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- steel pipe
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Abstract
The utility model relates to the field of civil engineering construction, and discloses a steel pipe pile grouting device which comprises a grouting device, a steel pipe pile and a grouting pipe arranged in the steel pipe pile, wherein the grouting device is connected with the grouting pipe through a connecting pipe, a grouting pump and a pressure flowmeter are arranged on the connecting pipe, two ends of the steel pipe pile are sealed, and a pressure valve and an exhaust structure are arranged at the top of the steel pipe pile; the device also comprises a pressurizing device for controlling the air pressure in the steel pipe pile, and the pressurizing device is connected with the pressurizing valve. In the grouting process, the device monitors grouting pressure through the pressurizing device, the pressurizing valve and the exhaust structure, and adjusts the grouting pressurizing valve and the exhaust structure in real time according to the grouting pressure, so that the phenomenon that the steel pipe pile cannot be filled with grout due to excessive gas in the steel pipe pile is avoided, the grouting quality is effectively improved, and the strength of the steel pipe pile is ensured.
Description
Technical Field
The utility model relates to the field of civil engineering construction, in particular to a grouting device for a steel pipe pile.
Background
In civil engineering construction, grouting is a capital construction operation mode, and proper grouting materials are injected into engineering objects by using mechanical equipment and adopting a reasonable grouting process so as to achieve the purposes of filling, reinforcing, water plugging and the like. At present, the existing grouting technology for the steel pipe pile directly pressurizes slurry in a grouting pipe to enable the grouting pipe to fill the steel pipe pile, but the pressure inside the steel pipe pile cannot be controlled in real time, and the slurry cannot achieve the full filling effect. Because the gas pressurization is more in the grouting process, a large amount of gas exists in the steel pipe pile, and the gas is not easy to be effectively discharged; or excessive gas removal leads to pressure failure, and the problems of poor grouting effect, high post-treatment cost, long post-treatment period and the like are easily caused in the above conditions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel pipe pile grouting device which can control pressurization and exhaust in real time and improve grouting quality.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the steel pipe pile grouting device comprises a grouting device, a steel pipe pile and a grouting pipe arranged in the steel pipe pile, wherein the grouting device is connected with the grouting pipe through a connecting pipe, a grouting pump and a pressure flowmeter are arranged on the connecting pipe, two ends of the steel pipe pile are sealed, and a pressure valve and an exhaust structure are arranged at the top of the steel pipe pile; the device also comprises a pressurizing device used for controlling the air pressure in the steel pipe pile, and the pressurizing device is connected with a pressurizing valve.
Further, the method comprises the following steps: the exhaust structure comprises an exhaust needle hole communicated with the outside, the exhaust needle hole and the steel pipe pile are connected into an integral structure, and a pressure bolt for controlling the gas flow is further arranged on the exhaust needle hole.
Further, the method comprises the following steps: the exhaust structure comprises an exhaust hole, and a one-way exhaust valve is arranged at the exhaust hole.
Further, the method comprises the following steps: the connecting pipe is also provided with a one-way stop valve.
Further, the method comprises the following steps: the bottom end of the steel pipe pile is conical.
Further, the method comprises the following steps: and slurry outlet holes are uniformly arranged on the side wall of the steel pipe pile at intervals.
Further, the method comprises the following steps: the diameter of the grout outlet is 8 mm.
Further, the method comprises the following steps: one end of the grouting pipe is arranged at the bottom of the steel pipe pile, and the other end of the grouting pipe is communicated with the connecting pipe.
Further, the method comprises the following steps: the connecting pipe is a hose.
The utility model has the beneficial effects that: because the top of the steel pipe pile is provided with the pressure valve and the exhaust structure which are connected with the pressure device, when the steel pipe pile is grouted, the pressure inside the steel pipe pile is monitored through the pressure device along with the continuous progress of grouting, and the grouting pressure valve and the exhaust structure are adjusted in real time according to the pressure, so that the grouting amount and the grouting pressure reach the design requirements; the bottom of the steel pipe pile is designed to be conical, and the pile tip of the steel pipe pile can effectively resist water and mud in the pile sinking process, so that the driving efficiency of the steel pipe pile is improved; the exhaust structure comprises an exhaust pinhole communicated with the outside, and the exhaust of gas in the grouting steel pipe can be adjusted by fastening and loosening the bolts with pressure on the exhaust pinhole; in addition, the side wall of the steel pipe pile is provided with a grout outlet, so that grout can be ensured to fully permeate into peripheral soil, and the grouting reinforcement quality is ensured. The device can ensure the high pressure property and the exhaust controllability of grouting, greatly improves the grouting quality, has low production cost and simple assembly, and can be used for batch production.
Drawings
FIG. 1 is a schematic structural view of the present invention;
labeled as: the grouting device comprises a grout supply device 1, a steel pipe pile 2, a grouting pipe 3, a connecting pipe 4, a pressurizing valve 5, an exhaust structure 6, a pressure flowmeter 7, a grouting pump 8, a grout outlet 9, a pressurizing device 10 and a one-way stop valve 11.
Detailed Description
The utility model is further described with reference to the following figures and detailed description.
As shown in fig. 1, the steel pipe pile grouting device of the present invention includes a grouting device 1, a steel pipe pile 2, and a grouting pipe 3 disposed inside the steel pipe pile 2, the grouting device 1 is connected with the grouting pipe 3 through a connecting pipe 4, the connecting pipe 4 is provided with a grouting pump 8 and a pressure flow meter 7, and the pressure flow meter 7 is disposed between the grouting pump 8 and the grouting pipe 3; two ends of the steel pipe pile 2 are sealed, a pressure valve 5 and an exhaust structure 6 are arranged at the top of the steel pipe pile 2, and the pressure valve 5 and the exhaust structure 6 are connected with the steel pipe pile 2 in a sealing manner; the device further comprises a pressurizing device 10 used for controlling the air pressure in the steel pipe pile 2, and the pressurizing device 10 is connected with the pressurizing valve 5. The pressurizing device 10 includes a vacuum pressurizing pump, a compressed air pressurizing device, and the like, and the pressurizing device 10 pressurizes the inside of the steel pipe pile 2 by controlling the opening and closing of the pressurizing valve 5. When carrying out the slip casting to steel-pipe pile 2, supply thick liquid that thick liquid device 1 will be prepared to carry the slip casting pipe 3 in through connecting pipe 4, along with going on of slip casting, through the pressure measurement device real time monitoring pressure in the steel-pipe pile on pressure device 10 to adjust forcing valve 5 and exhaust structure 6 in real time according to pressure, make slip casting pressure and slip casting volume reach the designing requirement. In addition, the pressure flowmeter 7 plays a role in monitoring the grouting amount and the grouting pressure in the grouting pipe, and the monitoring precision of the whole device on the pressure in the steel pipe pile is further improved.
Specifically, the exhaust structure 6 comprises an exhaust needle hole communicated with the outside, the exhaust needle hole and the steel pipe pile 2 are connected into an integral structure, preferably, the exhaust needle hole and the steel pipe pile 2 can be connected together through welding, and a pressure bolt for controlling the gas flow is further arranged on the exhaust needle hole. The pressure gas in the unable effective discharge steel-pipe pile 2 of common slip casting mode, take the pressure bolt through on the exhaust pinhole to fasten and the elasticity, the fastening force of bolt is taken in the regulation area, and the gas outgoing's in the steel-pipe pile 2 flow can be controlled, guarantees that 2 interior atmospheric pressure of steel-pipe pile are in reasonable within range, improves the slip casting plumpness to improve construction quality.
Specifically, the exhaust structure 6 comprises an exhaust hole, and a one-way exhaust valve is arranged at the exhaust hole. The air exhaust structure 6 is another embodiment, and the purpose of improving grouting quality is achieved by controlling the outflow flow of air through a one-way exhaust valve. It should be understood that the exhaust structure 6 is not limited to the structure described in the present embodiment, as long as the structure can achieve the purpose of one-way exhaust and control of pressure reduction.
Specifically, still be equipped with one-way stop valve 11 on the connecting pipe 4, guarantee that the thick liquid can only flow into slip casting pipe 3 in, can not produce the condition of thick liquid refluence.
Specifically, the bottom end of the steel pipe pile 2 is conical. The steel-pipe pile 2 is processed into the conical pile tip, and in the pile sinking process of the steel-pipe pile 2, the pile tip of the steel-pipe pile 2 can effectively block water and mud, so that the driving efficiency of the steel-pipe pile 2 is improved.
Specifically, grout outlet holes 9 are uniformly arranged on the side wall of the steel pipe pile 2 at intervals. The slurry can be ensured to fully permeate into the peripheral soil body, and the grouting reinforcement quality is effectively ensured.
More specifically, the diameter of the slurry outlet 9 is 8 mm.
Specifically, one end of the grouting pipe 3 is arranged at the bottom of the steel pipe pile 2, and the other end of the grouting pipe 3 is communicated with the connecting pipe 4. The grouting slurry is convenient to fill from the bottom of the steel pipe pile 2, and the filling quality is effectively improved.
Specifically, the connecting pipe 4 is a hose, so that the connecting pipe 4 can be moved conveniently.
The device can control grouting pressure and real-time exhaust of the steel pipe pile 2 in real time, and prevent the situation that slurry cannot be fully injected due to excessive gas in the steel pipe pile 2.
The above 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 to the present invention 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 (9)
1. Steel-pipe pile grouting device, including confession thick liquid device (1), steel-pipe pile (2) and arrange inside slip casting pipe (3) of steel-pipe pile (2) in, confession thick liquid device (1) is connected through connecting pipe (4) with slip casting pipe (3), be equipped with grouting pump (8) and pressure flowmeter (7) on connecting pipe (4), its characterized in that: two ends of the steel pipe pile (2) are sealed, and a pressure valve (5) and an exhaust structure (6) are arranged at the top of the steel pipe pile (2); the device is characterized by further comprising a pressurizing device (10) used for controlling the air pressure inside the steel pipe pile (2), wherein the pressurizing device (10) is connected with the pressurizing valve (5).
2. The steel pipe pile grouting device according to claim 1, characterized in that: the exhaust structure (6) comprises an exhaust needle hole communicated with the outside, the exhaust needle hole is connected with the steel pipe pile (2) into an integral structure, and a pressure bolt for controlling the gas flow is further arranged on the exhaust needle hole.
3. The steel pipe pile grouting device according to claim 1, characterized in that: the exhaust structure (6) comprises an exhaust hole, and a one-way exhaust valve is arranged at the exhaust hole.
4. The steel pipe pile grouting device according to claim 1, characterized in that: the connecting pipe (4) is also provided with a one-way stop valve (11).
5. The steel pipe pile grouting device according to claim 1, characterized in that: the bottom end of the steel pipe pile (2) is conical.
6. The steel pipe pile grouting device according to claim 1, characterized in that: and slurry outlet holes (9) are uniformly arranged on the side wall of the steel pipe pile (2) at intervals.
7. The steel pipe pile grouting device according to claim 6, characterized in that: the diameter of the pulp outlet hole (9) is 8 mm.
8. The steel pipe pile grouting device according to claim 1, characterized in that: one end of the grouting pipe (3) is arranged at the bottom of the steel pipe pile (2), and the other end of the grouting pipe (3) is communicated with the connecting pipe (4).
9. The steel pipe pile grouting device according to any one of claims 1 to 8, characterized in that: the connecting pipe (4) is a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123030467.5U CN216551956U (en) | 2021-12-03 | 2021-12-03 | Steel pipe pile grouting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123030467.5U CN216551956U (en) | 2021-12-03 | 2021-12-03 | Steel pipe pile grouting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216551956U true CN216551956U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123030467.5U Active CN216551956U (en) | 2021-12-03 | 2021-12-03 | Steel pipe pile grouting device |
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| CN (1) | CN216551956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116122271A (en) * | 2023-02-03 | 2023-05-16 | 江苏泰康工程咨询监理有限公司 | Intelligent self-balancing compound grouting device and method for steel pipe pile based on Internet of things technology |
-
2021
- 2021-12-03 CN CN202123030467.5U patent/CN216551956U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116122271A (en) * | 2023-02-03 | 2023-05-16 | 江苏泰康工程咨询监理有限公司 | Intelligent self-balancing compound grouting device and method for steel pipe pile based on Internet of things technology |
| CN116122271B (en) * | 2023-02-03 | 2023-10-10 | 江苏泰康工程咨询监理有限公司 | Intelligent self-balancing compound grouting device and method for steel pipe pile based on Internet of things technology |
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