CN213571899U - Arch cement soil cut-off wall becomes wall device - Google Patents
Arch cement soil cut-off wall becomes wall device Download PDFInfo
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- CN213571899U CN213571899U CN202022342654.6U CN202022342654U CN213571899U CN 213571899 U CN213571899 U CN 213571899U CN 202022342654 U CN202022342654 U CN 202022342654U CN 213571899 U CN213571899 U CN 213571899U
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
In order to solve the low, poor scheduling problem of quality of current device cut-off wall efficiency of construction, the utility model provides an arch form cement cut-off wall becomes wall device, including the drilling rod, be used for driving the drilling rod rotatory and be less than 360 within ranges wobbling rotary swing unit head, be used for the drilling rod to promote and the hoist mechanism and the drill bit of fixed connection in the drilling rod below of decline, the drilling rod top is connected with rotary joint, the rotary joint side is connected with single channel, binary channels or three-channel conveyer pipe, the drill bit side surface is provided with two at least injection puddlers that distribute along perpendicular to drilling rod axis direction, it all lies in same one side of drill bit to spray the puddler to the outside end of puddler is provided with the nozzle, the nozzle passes through the drilling rod inner tube and.
Description
Technical Field
The utility model relates to a building excavation supporting cut-off wall technical field, in particular to arch form cement diaphragm wall becomes wall device.
Background
The existing impervious wall for foundation pit water stopping on the market mostly adopts a rotary spraying method and a stirring method, and the rotary spraying process is provided with two symmetrically arranged nozzles at the lower end of a small-diameter spraying rod, and has the defects of large wall forming thickness, short spraying radius (smaller drilling hole interval), more cement consumption, low construction efficiency and higher construction cost; the single-shaft or double-shaft mixing pile diaphragm wall is not easy to guarantee verticality due to too many joints, and water leakage and water stop failure are caused due to the lapping dimension deviation of the lower part. For the foundation pit supporting engineering with large quantity and wide range at present, the existing device and method can not meet the requirements of good anti-seepage quality, high efficiency and low manufacturing cost.
Disclosure of Invention
In order to solve the problem, the utility model provides an arch form prevention of seepage cement soil wall becomes wall device, the technical scheme of adoption as follows:
the utility model provides an arch form cut-off wall cement soil becomes wall device, its characterized in that includes the drilling rod, is used for driving the drilling rod rotatory and be less than 360 within ranges wobbling rotary pendulum unit head, be used for drilling rod promotion and decline hoist mechanism and fixed connection in the drill bit of drilling rod below, the drilling rod top is connected with rotary joint, the rotary joint side is connected with single channel, binary channels or three-channel conveyer pipe, the drill bit side surface is provided with two at least injection puddler that distribute along perpendicular to drilling rod axis direction, it all lies in same one side of drill bit to spray puddler outside end and be provided with the nozzle to the nozzle passes through the drilling rod internal pipe and links to each other with the conveyer pipe.
Preferably, still include the PLC controller and set up the angle sensor on the power head of swinging soon, servo motor on angle sensor and the power head of swinging soon links to each other with the signal input part and the signal output part of PLC controller respectively.
Preferably, the drill bit is further provided with a balance stirring rod, and the balance stirring rod and the injection stirring rod are symmetrically distributed along the axis of the drill rod.
The beneficial effects of the utility model reside in that:
1. the nozzles are arranged at the top end and the same side of the drill stirring rod, and can form double cutting action on the soil layer under the same injection parameters, so that the injection radius is greatly increased, the hole distribution quantity of the impervious wall is obviously reduced, the construction efficiency is improved, and the cement consumption and the engineering cost are reduced;
2. when the power head performs 180-degree swinging spraying, an arch-shaped modeling structure can be formed, the deformation resistance of the cement soil solidification body can be improved, and when symmetrical construction is adopted, a wavy cement soil solidification body can be formed, so that the power head is suitable for different construction conditions;
3. the whole device is simple in structure, the traditional mixing pile machine can be simply transformed, the device is convenient to popularize and apply, the national energy-saving and emission-reducing policy is met, and good economic and social benefits are achieved.
Drawings
FIG. 1 is a schematic structural view of a wall forming device of an arch-shaped cemented soil impervious wall;
fig. 2-3 are schematic structural views of the arch-shaped cemented soil impervious wall.
The device comprises a drill rod 1, a rotary swing power head 2, a servo motor 201, a transmission speed reducer 202, a drill bit 3, a jet stirring rod 301, a nozzle 302, a balance stirring rod 303, a 4-rotary joint, a 5-conveying pipe, a 6-PLC controller and an angle sensor 7.
Detailed Description
Exemplary embodiments of the present disclosure will be described in detail below with reference to fig. 1 to 3. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The arch-shaped anti-seepage wall forming device shown in figure 1 mainly comprises a drill rod 1, a rotary swing power head 2, a drill bit 3, a rotary joint 4, a conveying pipe 5 and a PLC (programmable logic controller) 6, wherein the rotary swing power head 2 consists of a servo motor 201 and a transmission speed reducer 202, the power output end of the servo motor 201 is connected with the transmission speed reducer 202, the transmission speed reducer 202 is connected with the drill rod 1 and is used for driving the drill rod 1 to rotate, the upper end of the drill rod 1 is connected with the rotary joint 4, the rotary joint 4 is a double-channel rotary joint, the side surface of the rotary joint is connected with the conveying pipe 5, the conveying pipe 5 is connected with a corresponding high-pressure cement slurry pump and an air compressor, the lower end of the drill rod 1 is coaxially and fixedly connected with the drill bit 3, the drill bit 3 is fixedly connected with two jet stirring rods 301 from top to bottom, nozzle 302 is through spraying puddler 301, drill bit 3, link to each other with conveyer pipe 5 behind drilling rod 1 and the rotary joint 4, two nozzles 302 are located same position on 3 circumferencial directions of drill bit, and, still be provided with two balanced puddlers 303 on the another side of drilling bit 3, two balanced puddlers 303 respectively with two spray puddler 301 along the axis symmetric distribution of drilling rod 1, in addition, drilling rod 1 upper end is connected with the hoisting device who is used for promoting or transferring the drilling rod, be provided with symmetric distribution's angle sensor 7 on the rotary pendulum unit head 2, angle sensor 7 and servo motor 201 link to each other with PLC controller 6's signal input part and signal output part respectively, can control rotary pendulum unit head 2 and do the pendulum of certain angle and spout.
When the device is used for cement-soil arched diaphragm wall construction, firstly, a drill bit 3 is aligned to a designed hole site, a rotary pendulum power head 2 is started to drive a drill rod 1 to rotate continuously at a constant speed of 360 degrees, a lifting device is started to drive the drill rod 1 to move downwards, when the lower end of the drill bit reaches a designed depth, a PLC (programmable logic controller) 6 controls the rotary pendulum power head 2 to be switched to a swing spray mode, a high-pressure slurry pump and an air compressor are started at the same time to provide a high-pressure medium for a nozzle 302, the drill rod 1 is swung and sprayed once according to a set swing spray angle under the control of the PLC 6 until the designed height is reached, when the rotary pendulum power head 2 swings at a constant speed within a range of 180 degrees, a cement-soil arched wall body as shown in figure 2 can be formed, and when the rotary pendulum power head 2 is symmetrically constructed, a wavy.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements can be made, and these improvements should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides an arch form cement diaphragm wall becomes wall device, its characterized in that includes the drilling rod, is used for driving the drilling rod rotatory and be less than 360 within ranges wobbling rotary pendulum unit head, be used for drilling rod promotion and decline hoist mechanism and fixed connection in the drill bit of drilling rod below, the drilling rod top is connected with rotary joint, the rotary joint side is connected with single channel or binary channels conveyer pipe, the drill bit side surface is provided with two at least injection puddlers that distribute along perpendicular to drilling rod axis direction, it all lies in same one side of drill bit to spray puddler outside end and be provided with the nozzle to the nozzle passes through the drilling rod internal pipeline and links to each other with the conveyer pipe.
2. The arch-shaped cemented soil impermeable wall forming device according to claim 1, further comprising a PLC controller and an angle sensor arranged on the rotary swing power head, wherein the angle sensor and a servo motor on the rotary swing power head are respectively connected with a signal input end and a signal output end of the PLC controller.
3. The arch-shaped cemented soil impermeable wall forming device according to claim 1, wherein the drill bit is further provided with a balance stirring rod, and the balance stirring rod and the spray stirring rod are symmetrically distributed along the axis of the drill rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022342654.6U CN213571899U (en) | 2020-10-20 | 2020-10-20 | Arch cement soil cut-off wall becomes wall device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022342654.6U CN213571899U (en) | 2020-10-20 | 2020-10-20 | Arch cement soil cut-off wall becomes wall device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213571899U true CN213571899U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022342654.6U Active CN213571899U (en) | 2020-10-20 | 2020-10-20 | Arch cement soil cut-off wall becomes wall device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213571899U (en) |
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2020
- 2020-10-20 CN CN202022342654.6U patent/CN213571899U/en active Active
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