CN210288396U - Gas-lift reverse circulation device for cast-in-situ bored pile - Google Patents
Gas-lift reverse circulation device for cast-in-situ bored pile Download PDFInfo
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- CN210288396U CN210288396U CN201920597076.5U CN201920597076U CN210288396U CN 210288396 U CN210288396 U CN 210288396U CN 201920597076 U CN201920597076 U CN 201920597076U CN 210288396 U CN210288396 U CN 210288396U
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Abstract
The utility model discloses a gas lift reverse circulation device for bored concrete pile relates to bored concrete pile technical field. A gas lift reverse circulation device for drilling bored concrete pile includes base, work platform, pipe and tuber pipe, on base detachable installation work platform, base lower extreme detachable and pipe and tuber pipe are connected, and the tuber pipe is located pipe axle center position, base upper end installation air inlet interface, pressure monitoring interface and row's sediment interface. The utility model is used for reverse circulating device of gas lift of bored concrete pile to dismantled and assembled steel tuber pipe and pipe installation can realize pressure monitoring and pressure release in the base simultaneously on the base by the tee bend air-supply line of installation, and the sediment that is fit for being used for bored concrete pile is clear away and the mud exchange, is fit for ground engineering and popularizes and applies.
Description
Technical Field
The utility model relates to a bored concrete pile technical field, specific gas lift reverse circulation device who is used for bored concrete pile that relates to.
Background
The cast-in-place pile is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation and the like on an engineering site, placing a reinforcement cage and cast-in-place concrete in the pile hole, and according to different hole forming methods, the cast-in-place pile can be divided into a immersed tube cast-in-place pile, a cast-in-place pile and the like.
The control of the thickness of the sediment at the bottom of the hole is one of the important indexes of the quality of the hole formed by the cast-in-place pile, and the quality of the sediment directly influences the bearing capacity of the cast-in-place pile, especially influences the end bearing pile mainly based on the pile end resistance or the friction end bearing pile. Therefore, effectively removing the hole bottom sediment is one of the important links for controlling the pile forming quality. The construction of the cast-in-situ bored pile requires two hole cleaning operations. The first hole cleaning is carried out by using the original hole forming machine after the pile hole construction reaches the designed depth, and aims to mainly replace mud, remove sediments and use the standard that the mud performance basically meets the requirements; the first hole cleaning is carried out by using a grouting guide pipe before pouring pile body concrete, and aims to mainly remove sediments, take replacing mud as assistance and take the standard that the thickness of sediments at the bottom of a hole meets the design requirement.
Gas lift reverse circulation is widely applied to cast-in-situ bored pile construction, however, the currently used gas lift reverse circulation device also has the following defects: the air pipe selected by the air lift reverse circulation device is an integrally formed hose which is easy to bend when in use to influence air lift reverse circulation, the guide pipe is also an integrally formed steel pipe, the air pipe and the guide pipe are required to be customized according to the actual condition of the cast-in-place pile in the operation process, and the air lift reverse circulation device is inconvenient to disassemble and assemble and is not suitable for use; the base and the working platform for installing the air pipe and the guide pipe in the gas lift reverse circulation device are simple and easy, stable fixation is not easy to realize, and meanwhile, the connector on the base is directly connected with the air compressor and the energy dissipation box (slag discharge pipe), so that the pressure in the air pipe cannot be monitored and relieved, and the gas lift reverse circulation device is not suitable for popularization and application; secondly, the gas lift reverse circulation base is inconvenient to be installed in the pile hole of the cast-in-situ bored pile.
SUMMERY OF THE UTILITY MODEL
The above-mentioned problem to prior art exists, the utility model provides a gas lift reverse circulation device for bored concrete pile to dismantled and assembled steel tuber pipe and pipe installation can realize pressure monitoring and pressure release in the base on the base simultaneously, are fit for being used for the sediment of bored concrete pile to clear away.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a gas lift reverse circulation device for a cast-in-situ bored pile comprises a base, a working platform, a guide pipe and an air pipe, wherein the base is detachably arranged on the working platform, the lower end of the base is detachably connected with the guide pipe and the air pipe, the air pipe is positioned at the axis position of the guide pipe, and an air inlet interface, a pressure monitoring interface and a slag discharging interface are arranged at the upper end of the base;
the base is internally provided with a channel pipe connected with a guide pipe and an air pipe, the upper end of the channel pipe of the guide pipe connected with the guide pipe is communicated with a slag discharge interface, the channel pipe of the air pipe connected with the air pipe is a Y-shaped three-way pipe, and the upper end of the channel pipe of the air pipe is respectively connected with an air inlet interface and a pressure monitoring interface;
the air pipe and the guide pipe are assembled by a plurality of hollow steel pipes, and two ends of each hollow steel pipe are externally threaded and are connected with each other through hollow threaded sleeves.
Furthermore, the lower part of the base is provided with a limiting boss which is stably arranged behind a reserved opening of the working platform, the working platform is a wood laminate, two ends of the working platform are provided with lifting grooves, and the thickness of the working platform is not less than 5 cm.
Furthermore, the lower end of the base is provided with a guide pipe connecting seat and an air pipe connecting seat which are respectively detachably connected with the guide pipe and the air pipe, and the guide pipe and the air pipe are a plurality of hollow steel pipes with the same specification.
Furthermore, the inner diameter of the air pipe is 2-4cm, and the inner diameter of the guide pipe is 20-40 cm.
Further, the base upper end installation air inlet interface, arrange the sediment interface and all install the open-close valve, pressure monitoring interface installation pressure monitoring device and relief valve.
Furthermore, a crane steel rope suspension ring is arranged on the base.
Further, the length of the air pipe is 60-70% of the length of the guide pipe.
A gas reverse circulation sediment removing method for a gas lift reverse circulation device of a cast-in-situ bored pile comprises the following steps:
pre-selecting hollow steel pipes with required specifications according to requirements, assembling to obtain an air pipe and a guide pipe for later use, and connecting the air pipe and the guide pipe with a connecting seat at the lower end of the base;
the method comprises the following steps of pre-arranging a working platform at the end port of a cast-in-place pile, enabling a reserved port to be located at the axis end of the cast-in-place pile, suspending a base through a crane, enabling a guide pipe to penetrate through the reserved port after suspension, and fixing the base and the working platform;
the air inlet interface, the pressure monitoring interface and the slag discharging interface are respectively connected with the air compressor, the pressure monitoring device and the slag discharging box, and are connected with the power supply, and the opening and closing valves of the air inlet interface and the slag discharging interface are opened to realize gas reverse circulation slag discharging;
after the pressure monitoring interface is connected with the pressure monitoring device, the pressure of the gas reverse circulation process is monitored in real time, the pressure of the gas reverse circulation can be controlled by the pressure release valve, and meanwhile, the pressure release is realized by the pressure release valve after the pressure monitoring interface is finished.
Furthermore, after the gas reverse circulation sediment of the gas lift reverse circulation device is removed, the base, the working platform, the guide pipe and the air pipe are separated and placed.
The utility model has the advantages that: the utility model discloses a gas lift reverse circulation device for bored concrete pile, on base detachable installation work platform, base lower extreme detachable is connected with pipe and tuber pipe, base upper end installation air inlet interface, pressure monitoring interface and row's sediment interface and pass through the passageway pipe with tuber pipe and switch on, steel hollow pipe has at first been adopted as tuber pipe and pipe, and through screw thread and hollow thread cover combination connection, avoid the tuber pipe bending to lead to the air inlet harmful effects sediment to clear away and the mud exchange in the operation process, and tuber pipe and pipe obtain for the equipment, need not customize according to the bored concrete pile, and repeatedly usable; secondly, an air inlet interface, a pressure monitoring interface and a slag discharging interface at the upper end of the base are communicated with an air pipe and a guide pipe through a channel pipe, the operation is realized after the air inlet interface, the pressure monitoring interface and the slag discharging device are connected, and meanwhile, a pressure relief valve is installed, so that the control and monitoring are facilitated in the operation process, and the pressure relief is facilitated after the operation is finished, so that the safety is ensured; and finally, after the base is suspended by the crane, the guide pipe at the lower end of the base is inserted into the working platform and then is stably placed at the port of the cast-in-place pile, so that the operation is convenient, and the device is suitable for removing sediment and exchanging slurry of the cast-in-place bored pile and is suitable for popularization and application of foundation engineering.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a gas lift reverse circulation device for a cast-in-situ bored pile according to an embodiment of the present invention;
FIG. 2 is a schematic view of the base and the connection with the duct and the duct according to the embodiment of the present invention;
fig. 3 is a schematic structural view of the air duct and the duct channel pipe according to the embodiment of the present invention;
FIG. 4 is a schematic view of the structure and connection of the duct and the air duct according to the embodiment of the present invention;
FIG. 5 is a schematic structural view of a duct channel and a duct channel in a base according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of the air inlet interface, the pressure monitoring interface and the slag discharge interface according to the embodiment of the present invention;
fig. 7 is a connection diagram of the gas lift reverse circulation device for bored concrete piles according to the embodiment of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-base, 101-conduit joint seat, 102-air pipe joint seat, 103-crane steel rope suspension ring, 2-working platform, 3-conduit, 4-air pipe, 401-hollow steel pipe, 402-external thread, 403-hollow thread sleeve, 5-deslagging interface, 6-air inlet interface, 7-pressure monitoring interface, 8-air pipe channel pipe, 9-conduit channel pipe, 10-pressure relief valve and 11-opening and closing valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-7
A gas lift reverse circulation device for a cast-in-situ bored pile comprises a base 1, a working platform 2, a guide pipe 3 and an air pipe 4, wherein the base 1 is detachably arranged on the working platform 2, the lower end of the base 1 is detachably connected with the guide pipe 3 and the air pipe 4, the air pipe 4 is positioned at the axis position of the guide pipe 3, and an air inlet interface 6, a pressure monitoring interface 7 and a slag discharge interface 5 are arranged at the upper end of the base 1;
the base 1 is internally provided with a channel pipe connected with the guide pipe 3 and the air pipe 4, the upper end of a guide pipe channel pipe 9 connected with the guide pipe 3 is communicated with the slag discharge interface 5, an air pipe channel pipe 8 connected with the air pipe 4 is a Y-shaped three-way pipe, and the upper end of the air pipe channel pipe is respectively connected with an air inlet interface 6 and a pressure monitoring interface 7;
the air pipe 4 and the guide pipe 3 are both assembled by a plurality of hollow steel pipes 401, and both ends of the hollow steel pipes 401 are provided with external threads 402 and are connected with each other through hollow thread sleeves 403.
The lower portion of the base 1 is provided with a limiting boss which is arranged behind a reserved opening of the working platform 2 and is stably installed, the working platform 2 is a wood laminate, two ends of the working platform are provided with lifting grooves, and the thickness of the working platform 2 is not less than 5 cm.
The lower end of the base 1 is provided with a conduit connection seat 101 and an air duct connection seat 102 which are respectively detachably connected with a conduit 3 and an air duct 4, and the conduit 3 and the air duct 4 are a plurality of hollow steel pipes 401 with the same specification.
The inner diameter of the air pipe 4 is 2-4cm, and the inner diameter of the guide pipe 3 is 20-40 cm.
An air inlet interface 6 and a slag discharging interface 7 are arranged at the upper end of the base 1, an opening and closing valve 11 is arranged on the slag discharging interface 7, and a pressure monitoring device and a pressure release valve 10 are arranged on the pressure monitoring interface 7.
A crane wire rope suspension ring 103 is mounted on the base 1.
The length of the air pipe 4 is 60-70% of the length of the guide pipe.
The present invention will be described in detail with reference to the following embodiments:
example 1
A gas reverse circulation sediment removing method for a gas lift reverse circulation device of a cast-in-situ bored pile comprises the following steps:
the gas-lift reverse circulation device for the cast-in-situ bored pile comprises a base 1, a working platform 2, a guide pipe 3 and an air pipe 4;
pre-selecting hollow steel pipes 401 with required specifications according to requirements, assembling to obtain air pipes 4 and guide pipes 3 for later use, and connecting the air pipes 4 and the guide pipes 3 with a connecting seat at the lower end of the base 1;
firstly, connecting a hollow steel pipe 401 with an external thread 402 and a hollow thread sleeve 403 at two ends to assemble a guide pipe 3 and an air pipe 4 with required specifications, simultaneously connecting the air pipe 4 with an air pipe connecting seat 102 and a guide pipe connecting seat 101 on a base 1, connecting the air pipe 4 with the base firstly, then sleeving the guide pipe 3 from the rear end of the air pipe to connect the guide pipe with the base, wherein the length of the air pipe 4 is 60-70% of the length of the guide pipe;
the method comprises the following steps of presetting a working platform 2 at the end port of a cast-in-place pile, enabling a reserved port to be located at the axis end of the cast-in-place pile, suspending a base 1 through a crane, enabling a conduit 3 to penetrate through the reserved port after suspension, and fixing the base 1 and the working platform 2;
a crane lifts the base 1 through a crane steel rope suspension ring 103 arranged on the base 1, the lower end of the guide pipe 3 is perpendicular to a reserved opening of the working platform 2 and inserted into a drill hole of the cast-in-place pile, and the crane is removed after the base reaches the working platform 2 and is fixed;
as shown in fig. 7, the air inlet port 6, the pressure monitoring port 7 and the slag discharging port 5 are respectively connected with the air compressor, the pressure monitoring device and the slag discharging box, and are connected with the power supply, and the opening and closing valve 11 of the air inlet port 6 and the slag discharging port 5 is opened to realize gas reverse circulation slag discharging;
after the pressure monitoring interface 7 is connected with the pressure monitoring device, the pressure of the gas reverse circulation process is monitored in real time, the pressure of the gas reverse circulation can be controlled by the pressure release valve 10, and meanwhile, the pressure release is realized by the pressure release valve after the pressure monitoring interface is finished.
After the gas reverse circulation sediment of the gas lift reverse circulation device is removed, the base 1, the working platform 2, the guide pipe 3 and the air pipe 4 are placed in a split mode.
After the completion, the base 1 is lifted by a crane, the pile hole of the cast-in-place pile is completely separated, the pile hole is horizontally placed on the ground, the guide pipe 3, the air pipe 4 and the connecting pipe on the base 1 are disassembled, and meanwhile, the guide pipe 3 and the air pipe 4 are disassembled into hollow steel pipes 401 to be stacked and placed.
Example 2
The application of the gas reverse circulation sediment removal method of the gas lift reverse circulation device for the cast-in-situ bored pile as described in example 1 in gas reverse circulation sediment removal.
In the sediment removal process at the bottom of the cast-in-place pile, referring to the operation procedure of example 1, a gas lift reverse circulation device of the cast-in-place pile was used for sediment removal.
Example 3
Use of a gas lift reverse circulation device for a cast-in-situ bored pile as described in example 1 in gas reverse circulation mud exchange.
During the slurry exchange at the bottom of the cast-in-place pile, the gas lift reverse circulation device of the cast-in-place pile was used for the slurry exchange with reference to the procedure of example 1.
The utility model discloses a gas lift reverse circulation device for bored concrete pile, on base detachable installation work platform, base lower extreme detachable is connected with pipe and tuber pipe, base upper end installation air inlet interface, pressure monitoring interface and row's sediment interface and pass through the passageway pipe with tuber pipe and switch on, steel hollow pipe has at first been adopted as tuber pipe and pipe, and through screw thread and hollow thread cover combination connection, avoid the tuber pipe bending to lead to the air inlet harmful effects sediment to clear away and the mud exchange in the operation process, and tuber pipe and pipe obtain for the equipment, need not customize according to the bored concrete pile, and repeatedly usable; secondly, an air inlet interface, a pressure monitoring interface and a slag discharging interface at the upper end of the base are communicated with an air pipe and a guide pipe through a channel pipe, the operation is realized after the air inlet interface, the pressure monitoring interface and the slag discharging device are connected, and meanwhile, a pressure relief valve is installed, so that the control and monitoring are facilitated in the operation process, and the pressure relief is facilitated after the operation is finished, so that the safety is ensured; and finally, after the base is suspended by the crane, the guide pipe at the lower end of the base is inserted into the working platform and then is stably placed at the port of the cast-in-place pile, so that the operation is convenient, and the device is suitable for removing sediment and exchanging slurry of the cast-in-place bored pile and is suitable for popularization and application of foundation engineering.
The utility model discloses a vegetables liquid manure integration drip irrigation device and system, including drip irrigation device and drip irrigation control system, drip irrigation device controls and then realizes soil monitoring, fertile water mixing, liquid manure integration drip irrigation and drip irrigation plan generation and record through the drip irrigation control system; the drip irrigation system has the advantages that high-automation and accurate water and fertilizer integrated drip irrigation is realized, meanwhile, a monitoring, recording and production drip irrigation plan can be implemented, functions are diversified, a pressure pump is designed to pressurize before and after drip irrigation to avoid blockage, the intelligent control of the water and fertilizer ration and proportion improves the precision and efficiency, and meanwhile, the drip irrigation is uniform and high in precision due to the structure and installation design of the drip irrigation branch pipes and the drip irrigation pipes; the drip irrigation device is reasonable in structural design, convenient and fast to use, and suitable for popularization and application of various types of water and fertilizer integrated drip irrigation.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a reverse circulating device of gas lift for drilling bored concrete pile which characterized in that: the device comprises a base, a working platform, a guide pipe and an air pipe, wherein the base is detachably arranged on the working platform, the lower end of the base is detachably connected with the guide pipe and the air pipe, the air pipe is positioned at the axis position of the guide pipe, and an air inlet interface, a pressure monitoring interface and a slag discharge interface are arranged at the upper end of the base;
the base is internally provided with a channel pipe connected with a guide pipe and an air pipe, the upper end of the channel pipe of the guide pipe connected with the guide pipe is communicated with a slag discharge interface, the channel pipe of the air pipe connected with the air pipe is a Y-shaped three-way pipe, and the upper end of the channel pipe of the air pipe is respectively connected with an air inlet interface and a pressure monitoring interface;
the air pipe and the guide pipe are assembled by a plurality of hollow steel pipes, and two ends of each hollow steel pipe are externally threaded and are connected with each other through hollow threaded sleeves.
2. The gas-lift reverse circulation apparatus for a bored pile according to claim 1, wherein: the lower portion of the base is provided with a limiting boss which is arranged behind a reserved opening of the working platform and is stably installed, the working platform is a wood laminate, two ends of the working platform are provided with lifting grooves, and the thickness of the working platform is not less than 5 cm.
3. The gas-lift reverse circulation apparatus for a bored pile according to claim 1, wherein: the lower end of the base is provided with a guide pipe connecting seat and an air pipe connecting seat which are respectively detachably connected with the guide pipe and the air pipe, and the guide pipe and the air pipe are a plurality of hollow steel pipes with the same specification.
4. The gas-lift reverse circulation apparatus for a bored pile according to claim 1, wherein: the inner diameter of the air pipe is 2-4cm, and the inner diameter of the guide pipe is 20-40 cm.
5. The gas-lift reverse circulation apparatus for a bored pile according to claim 1, wherein: the base upper end installation air inlet interface, arrange the sediment interface and all install the open and close valve, pressure monitoring interface installation pressure monitoring device and relief valve.
6. The gas-lift reverse circulation apparatus for a bored pile according to claim 1, wherein: and a crane steel rope suspension ring is arranged on the base.
7. The gas-lift reverse circulation apparatus for a bored pile according to claim 1, wherein: the length of the air pipe is 60-70% of the length of the guide pipe.
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| CN201920597076.5U CN210288396U (en) | 2019-04-28 | 2019-04-28 | Gas-lift reverse circulation device for cast-in-situ bored pile |
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| CN201920597076.5U CN210288396U (en) | 2019-04-28 | 2019-04-28 | Gas-lift reverse circulation device for cast-in-situ bored pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106882A (en) * | 2019-04-28 | 2019-08-09 | 云南建投第一勘察设计有限公司 | A kind of gas lift reverse circulation device for cast-in-situ bored pile |
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2019
- 2019-04-28 CN CN201920597076.5U patent/CN210288396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106882A (en) * | 2019-04-28 | 2019-08-09 | 云南建投第一勘察设计有限公司 | A kind of gas lift reverse circulation device for cast-in-situ bored pile |
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