CN109795025B - Device for preparing model water-permeable tubular pile - Google Patents
Device for preparing model water-permeable tubular pile Download PDFInfo
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- CN109795025B CN109795025B CN201910136319.XA CN201910136319A CN109795025B CN 109795025 B CN109795025 B CN 109795025B CN 201910136319 A CN201910136319 A CN 201910136319A CN 109795025 B CN109795025 B CN 109795025B
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Abstract
The invention discloses a device for preparing a model water-permeable tubular pile, which comprises a grouting pipe groove, a centrifugal pipe groove and a slurry collecting pipe groove, wherein the centrifugal pipe groove is sleeved outside the grouting pipe groove and is concentrically arranged with the grouting pipe groove; the device also comprises a power device and a gelled slurry collecting device, wherein the power device is used for driving the centrifugal pipe groove to rotate; the grouting pipe groove is fixedly connected with an external support frame, and the centrifugal pipe groove is rotationally connected with the slurry collecting pipe groove through a bearing; the annular cylinder between slip casting pipe groove and the centrifuging tube groove is filled with aggregate, all is equipped with a plurality of through-hole structures on the lateral wall of slip casting pipe groove and centrifuging tube groove, and the slip casting pipe groove passes through the feed liquor pipe and gelatinizes the thick liquid collection device intercommunication, and the thick liquid collection pipe groove passes through the drain pipe and is connected with gelatinizing the thick liquid collection device. The cementing slurry and the aggregate of the permeable tubular pile poured by the device do not generate segregation phenomenon, the permeable tubular pile has uniform strength, the permeability coefficients of all parts of the permeable tubular pile are basically consistent, and the permeable tubular pile has good permeable effect.
Description
Technical Field
The invention relates to a device for preparing model water-permeable tubular piles, and belongs to the technical field of geotechnical engineering foundation reinforcement.
Background
The soil squeezing effect in the pile sinking process of the static pressure pile always troubles engineering personnel, and how to accelerate the dissipation of the ultra-static pore water pressure caused by pile sinking is the current research focus. The permeable tubular pile is additionally provided with permeable holes along the pile body, and the communicated soil body releases hyperstatic pore water pressure, so that the soil consolidation around the pile in the pile sinking process can be accelerated. However, the existing water-permeable tubular pile still adopts equipment for prefabricating the tubular pile, so that the manufactured water-permeable tubular pile is moved towards the outer wall of the centrifugal tube by gelling slurry under the centrifugal action, the produced water-permeable tubular pile has different degrees of segregation, and the layering phenomenon is obvious. The inner diameter and the outer diameter of the water-permeable tubular pile are uneven after the separation, and even a drainage channel of coarse aggregate is sealed, so that the drainage performance is reduced, and the strength of the tubular pile cannot reach the due bearing capacity.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the technical problem of providing a device specially used for preparing a model water-permeable tubular pile, the gel slurry and the aggregate of the water-permeable tubular pile poured by the device can not be isolated, the water-permeable tubular pile has uniform strength, the permeability coefficients of all parts of the water-permeable tubular pile are basically consistent, and the water-permeable tubular pile has good water-permeable effect.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a device for preparing a model water-permeable tubular pile comprises a grouting pipe groove, a centrifugal pipe groove and a slurry collecting pipe groove, wherein the centrifugal pipe groove is sleeved outside the grouting pipe groove and is concentrically arranged with the grouting pipe groove; the device also comprises a power device and a gelled slurry collecting device, wherein the power device is used for driving the centrifugal pipe groove to rotate; the grouting pipe groove is fixed on the external support frame, and the centrifugal pipe groove is rotationally connected with the slurry collecting pipe groove through a bearing; the annular cylinder intussuseption between slip casting pipe groove and the centrifuging tube groove is filled with the aggregate, all is equipped with a plurality of through-hole structures on the lateral wall of slip casting pipe groove and centrifuging tube groove, and the slip casting pipe groove passes through the feed liquor pipe and gelatinizes the thick liquid collection device intercommunication, and the thick liquid collection pipe groove passes through the drain pipe and is connected with gelatinizing the thick liquid collection device.
The grouting pipe groove, the centrifugal pipe groove and the slurry collecting pipe groove are all cylindrical hollow pipes with two closed ends.
The power device comprises a driving motor, a belt and a traction wheel, the traction wheel is fixedly connected with the centrifugal pipe groove through a connecting rod, one end of the connecting rod is fixedly connected with the end part of the centrifugal pipe groove, and the other end of the connecting rod extends out of the slurry collecting pipe groove and is fixedly connected with the traction wheel; the belt is wound on a rotating shaft and a traction wheel of the driving motor, and the driving motor rotates to drive the traction wheel to rotate through the belt.
Wherein, a liquid inlet controller and a liquid outlet controller are respectively arranged on the liquid inlet pipe and the liquid outlet pipe.
The motor is used for enabling the gelled slurry to flow into the grouting pipe groove through the liquid inlet pipe, and the gelled slurry collected in the slurry collecting pipe groove flows back into the gelled slurry collecting device through the liquid outlet pipe.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: the device is specially used for preparing the model permeable tubular pile, and solves the problems that the existing permeable tubular pile manufacturing equipment adopting the prefabricated hollow tubular pile is easy to separate, the distribution of the gelled slurry and the aggregate is not uniform, and the expected permeable effect cannot be achieved; the cementing slurry and the aggregate of the permeable tubular pile poured by the device do not generate segregation phenomenon, the permeable tubular pile has uniform strength, the permeability coefficients of all parts of the permeable tubular pile are basically consistent, and the permeable tubular pile has good permeable effect.
Drawings
FIG. 1 is a schematic structural diagram of a device for preparing a model water-permeable tubular pile according to the present invention;
fig. 2 is a schematic view of a connection of a local structure of the device for preparing the model water-permeable pipe pile.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in fig. 1-2, the device for preparing the model water-permeable tubular pile comprises a grouting pipe groove 2, a centrifugal pipe groove 3 which is sleeved outside the grouting pipe groove 2 and is concentrically arranged with the grouting pipe groove 2, and a slurry collecting pipe groove 4 which is sleeved outside the centrifugal pipe groove 3 and is concentrically arranged with the centrifugal pipe groove 3, wherein the grouting pipe groove 2, the centrifugal pipe groove 3 and the slurry collecting pipe groove 4 are all cylindrical hollow pipes; the device for preparing the model water-permeable tubular pile further comprises a power device and a gelled slurry collecting device 8, wherein the power device is used for driving the centrifugal tube groove 3 to rotate; one end of a grouting pipe groove 2 is positioned in the centrifugal pipe groove 3, the other end of the grouting pipe groove 2 extends out of the centrifugal pipe groove 3 and is fixed on an external wall body through an external support frame 16, one end of the support frame 16 is fixed on the wall body, the other end of the support frame is fixedly connected with the end part of the grouting pipe groove 2, a liquid inlet is formed in a cover plate at the extending end of the grouting pipe groove 2, and a liquid inlet pipe 6 is connected to the liquid inlet; the centrifugal pipe groove 3 is sleeved outside the grouting pipe groove 2, and the centrifugal pipe groove 3 (one end) is rotatably connected with the slurry collecting pipe groove 4 through a bearing 15; the annular cylinder between the grouting pipe groove 2 and the centrifugal pipe groove 3 is filled with aggregates, the side walls of the grouting pipe groove 2 and the centrifugal pipe groove 3 are respectively provided with a plurality of through hole structures, the grouting pipe groove 2 is communicated with a gelled slurry collecting device 8 through a liquid inlet pipe 6, the slurry collecting pipe groove 4 is provided with a liquid outlet, and the liquid outlet is connected with the gelled slurry collecting device 8 through a liquid outlet pipe 10; a liquid inlet controller (reader) 7 and a liquid outlet controller (reader) 9 are respectively arranged on the liquid inlet pipe 6 and the liquid outlet pipe 10; a motor is arranged in the gelled slurry collecting device 8, the motor enables the gelled slurry to flow into the grouting pipe groove 2 through the liquid inlet pipe 6, the gelled slurry collected in the slurry collecting pipe groove 4 flows back into the gelled slurry collecting device 8 through the liquid outlet pipe 10, and circulation is formed; the gelled slurry collecting device 8 continuously provides gelled materials for the preparation of the water-permeable pipe pile.
Firstly, sufficient aggregate is put into a centrifugal pipe groove 3, the centrifugal pipe groove 3 is opened, the aggregate can meet the requirement of the compactness of the permeable pile under the centrifugal action of the centrifugal pipe groove 3, then the grouting pipe groove 2 is filled with gelled slurry, the gelled slurry in the grouting pipe groove 2 flows into the centrifugal pipe groove 3 through a hole in the side wall of the grouting pipe groove 2 and is fully mixed with the pre-put aggregate, the gelled slurry can penetrate through the aggregate to reach the pipe groove wall of the centrifugal pipe groove 3 and flows into a slurry collecting pipe groove 4 through a hole in the side wall of the centrifugal pipe groove 3 because the aggregate is designed single-stage prepared aggregate, and meanwhile, the continuous supplementary slurry of a slurry circulating system can be fully mixed with the aggregate by combining a rubber pipe and a slurry collecting device 8; stopping the circulation of the gelled slurry after the slurry is fully mixed with the aggregate, and slowly stopping the centrifugation after the gelled slurry is primarily solidified. The device and the process for preparing the model permeable tubular pile not only meet the requirement of a pile body on the compactness of the aggregate, but also meet the standard of uniform mixing of slurry, thereby effectively solving the problem that the gelled slurry and the aggregate are separated when the centrifugation is carried out for ensuring the compactness and the forming of the pile body in the traditional permeable tubular pile manufacturing process. The model water-permeable tubular pile prepared by the method has uniform texture and high strength, and can ensure the porosity of the water-permeable tubular pile, so that the permeability coefficients of all parts of the pile body are basically consistent, and the model water-permeable tubular pile has a good water-permeable effect.
The power device comprises a driving motor 1, a belt 13 and a traction wheel 14, wherein the traction wheel 14 is fixedly connected with a centrifugal pipe groove 3 through a connecting rod 12, one end of the connecting rod 12 is fixedly connected with the end part of the centrifugal pipe groove 3, and the other end of the connecting rod 12 extends out of a slurry collecting pipe groove 4 and is fixedly connected with the traction wheel 14; the belt 13 is wound on the rotating shaft of the driving motor 1 and the traction wheel 14, and the driving motor 1 rotates to drive the traction wheel 14 to rotate through the belt 13, so that driving force is provided for the rotation of the centrifugal pipe groove 3.
In the device, the slurry collecting pipe groove 4 collects the centrifugally dispersed gelled slurry, the centrifugal pipe groove 3 places coarse aggregate, and the grouting pipe groove 2 provides the gelled slurry. The slurry collecting pipe groove 4 is connected with a gelled slurry collecting device 8 through an outer flow rubber pipe (liquid outlet pipe 10), a flow monitoring device (liquid outlet controller 9) is arranged on the outer flow rubber pipe (liquid outlet pipe 10) to control the slurry flow in real time, the grouting pipe groove 2 is connected with the gelled slurry collecting device 8 through an inner flow rubber pipe (liquid inlet pipe 6), and meanwhile, the flow monitoring device (liquid inlet controller 7) is arranged on the inner flow rubber pipe (liquid inlet pipe 6) to control the slurry flow in real time, so that a gelled slurry circulation system is formed.
The power device provides power for the centrifugation of the model water-permeable pipe pile, the grouting pipe groove 2 is a gelled slurry supply inner pipe groove and provides gelled slurry for the preparation of the model water-permeable pipe pile, the centrifugal pipe groove 3 is a pipe groove for storing aggregate, the slurry collection pipe groove 4 is a gelled slurry collection outer pipe groove, two end parts of the slurry collection pipe groove 4 are provided with side leakage prevention baffles 5, the side leakage prevention baffles 5 are used for preventing the side leakage of the slurry in the slurry collection pipe groove 4, the liquid inlet pipe 6 is an inner flow rubber pipe for providing the gelled slurry for the grouting pipe groove 2, the liquid inlet flow controller 7 is a flow controller on the inner flow rubber pipe, the gelled slurry collection device 8 is a terminal treatment control groove of the gelled slurry, the liquid outlet controller 9 is a flow controller on the outer flow rubber pipe, the liquid outlet pipe 10 is an outer flow rubber pipe for leading out the gelled slurry for the slurry collection pipe groove 4, the fixed base 11 is a base, the connecting rod 12 is a rod member connecting the grouting pipe groove 2 and the traction wheel 14.
The power and the revolution of driving motor 1 can be selected as required, if the motor of chooseing for use great revolution can make the gelatinization thick liquid throw off completely when preparing the water-permeable tubular pile, if the motor of chooseing for use less revolution gelatinizes thick liquid and is difficult to the homodisperse. A motor of 55-450 rpm is recommended to be selected for the water-permeable tubular pile with the outer diameter smaller than 300 mm; a motor with the speed of 45-400 rpm is recommended to be selected for the water-permeable tubular pile with the outer diameter of 400 mm; a motor with the speed of 40-360 revolutions per minute is recommended for the water-permeable tubular pile with the outer diameter of 500 mm; and a motor with the speed of 40-330 revolutions per minute is recommended to be used for the water-permeable tubular pile with the outer diameter larger than 600 mm. The length, width and material of the belt 13 are selected according to actual needs, and metal, rubber or PVC can be selected. The traction wheel 14 can be in a gear shape or a disc shape, the size of the traction wheel is matched with that of the driving motor 1 and the belt 13, and if the traction wheel 14 is in a gear shape, the belt 13 is a metal chain, namely, the transmission relation of a gear and a rack.
The grouting pipe groove 2 is a cylindrical hollow pipe, the outer diameter of the grouting pipe groove can be smaller than the inner diameter of a permeable pipe pile to be manufactured, the length of the grouting pipe groove is consistent with that of the permeable pipe pile to be manufactured, a plurality of small circular holes are uniformly formed in the pipe wall of the grouting pipe groove 2, and the diameter of the holes and the pressure of grout can ensure that grout can uniformly flow out from the small holes. The centrifugal tube groove 3 is a metal cylindrical hollow tube, a plurality of round small holes are uniformly formed in the tube wall of the centrifugal tube groove 3 for allowing redundant gelled slurry to flow out and ensuring that aggregates are not influenced, the inner diameter of the centrifugal tube groove 3 is consistent with the outer diameter of the water-permeable tubular pile to be manufactured, and the length of the centrifugal tube groove is consistent with the length of the water-permeable tubular pile to be manufactured. The slurry collecting pipe groove 4 is a metal cylindrical hollow pipe, the redundant gelled slurry thrown out by the centrifugal pipe groove 3 is collected by the slurry collecting pipe groove 4, and the inner diameter of the slurry collecting pipe groove 4 is larger than the outer diameter of the centrifugal pipe groove 3. The side leakage prevention baffle 5 is a cover plate for preventing the slurry in the slurry collecting pipe groove 4 from flowing out from two sides, the diameter of the side leakage prevention baffle 5 is consistent with the outer diameter of the slurry collecting pipe groove 4, and the two side leakage prevention baffles 5 respectively cover the upper surface and the lower surface of the slurry collecting pipe groove 4. The fixed base 11 has a large mass, the slurry collecting pipe groove 4 is fixed on the fixed base 11, the fixed base 11 is fixed on the floor, and the fixed base 11 can prevent the equipment from shaking or displacing in the centrifugal rotation process. The connecting rod 12 is a device for connecting the centrifugal pipe groove 3 and the traction wheel 14, and the connecting rod 12 is a metal rod.
The liquid inlet controller 7 is grouting feeding amount monitoring equipment, prevents the feeding amount and the discharging amount from being unbalanced, and assists in controlling the amount of the slurry in the model permeable tubular pile; the liquid output controller 9 is grouting discharge amount monitoring equipment, prevents that the feeding amount is unbalanced with the discharge amount, and the slurry amount in the model permeable pipe pile is controlled in an auxiliary mode. The liquid inlet pipe 6 and the liquid outlet pipe 10 can be selected according to actual needs, the inner diameters of the liquid inlet pipe and the liquid outlet pipe are consistent, and a rubber pipe or a plastic hose is recommended to be selected. A motor and relevant monitoring facilities are built-in to gelatinization thick liquid collection device 8, both can provide pressure for feed liquor pipe 6, also can provide suction for drain pipe 10, and whether simultaneously can also real time monitoring thick liquid reach standard.
The invention relates to the assembly and the use of a device for preparing model permeable tubular piles, which comprises the following steps:
first, equipment assembly
1.1 placing a driving motor 1, a fixed base 11 and a gelled slurry collecting device 8 in a flat place;
1.2, fixing a grouting pipe groove 2 through a support frame 16, simultaneously connecting a centrifugal pipe groove 3 and a slurry collecting pipe groove 4 through a bearing 15 from inside to outside, and fixedly connecting the centrifugal pipe groove 3 and a traction wheel 14 through a connecting rod 12;
1.3 connecting a driving wheel of a driving motor with a traction wheel 14 by using a belt 13;
1.4 the trompil of 2 one sides of slip casting pipe groove is connected with feed liquor pipe 6, and the trompil of 4 bottoms of thick liquid collection pipe groove is connected with drain pipe 10 again, and feed liquor pipe 6 and drain pipe 10 middle part are installed liquid volume controller 7 and liquid volume controller 9 respectively, and another end of feed liquor pipe 6 and drain pipe 10 all links to each other with gelatinization thick liquid collection device 8.
Use of the apparatus
2.1, uniformly mixing the gelled slurry, pouring the mixture into a gelled slurry collecting device 8, and uniformly putting coarse aggregate into an annular cavity between the centrifugal pipe chute 3 and the grouting pipe chute 2;
2.2, turning on the driving motor 1 to rotate the centrifugal pipe groove 3, and then turning on the liquid inlet controller 7 and the liquid outlet controller 9;
and 2.3, opening a motor in the gelled slurry collecting device 8 to enable the gelled slurry to flow into the grouting pipe groove 2 from the liquid inlet pipe 6, and enabling the redundant gelled slurry to flow out of the liquid outlet pipe 10 and flow back to the gelled slurry collecting device 8.
2.4 after the cementing materials of the water-permeable tubular pile are uniformly mixed and basically solidified, the centrifugal time is controlled according to the properties of the cementing materials, the liquid inlet pipe 6 is closed, the feeding is stopped, and then the driving motor 1 is closed, so that the centrifugal pipe groove 3 stops rotating;
2.5 after the slurry in the slurry collecting pipe groove 4 is completely recovered, closing the liquid outlet pipe 10 and stopping the equipment;
2.6 taking out the centrifugal pipe groove 3, and carrying out related maintenance on the model water-permeable pipe pile.
Claims (5)
1. The utility model provides a device of preparation model tubular pile that permeates water which characterized in that: comprises a grouting pipe groove, a centrifugal pipe groove which is sleeved outside the grouting pipe groove and is concentrically arranged with the grouting pipe groove, and a slurry collecting pipe groove which is sleeved outside the centrifugal pipe groove and is concentrically arranged with the centrifugal pipe groove; the device also comprises a power device and a gelled slurry collecting device, wherein the power device is used for driving the centrifugal pipe groove to rotate; the grouting pipe groove is fixedly connected with an external support frame, and the centrifugal pipe groove is rotationally connected with the slurry collecting pipe groove through a bearing; the annular cylinder between slip casting pipe groove and the centrifuging tube groove is filled with aggregate, all is equipped with a plurality of through-hole structures on the lateral wall of slip casting pipe groove and centrifuging tube groove, and the slip casting pipe groove passes through the feed liquor pipe and gelatinizes the thick liquid collection device intercommunication, and the thick liquid collection pipe groove passes through the drain pipe and is connected with gelatinizing the thick liquid collection device.
2. The device for preparing model water-permeable tubular pile according to claim 1, characterized in that: the grouting pipe groove, the centrifugal pipe groove and the slurry collecting pipe groove are all cylindrical hollow pipes with two closed ends.
3. The device for preparing model water-permeable tubular pile according to claim 1, characterized in that: the power device comprises a driving motor, a belt and a traction wheel, the traction wheel is fixedly connected with the centrifugal pipe groove through a connecting rod, and the connecting rod is a rod piece for connecting the grouting pipe groove and the traction wheel; one end of the connecting rod is fixedly connected with the end part of the centrifugal pipe groove, and the other end of the connecting rod is fixedly connected with the traction wheel; the belt is wound on a rotating shaft and a traction wheel of the driving motor, and the driving motor rotates to drive the traction wheel to rotate through the belt.
4. The device for preparing model water-permeable tubular pile according to claim 1, characterized in that: and the liquid inlet pipe and the liquid outlet pipe are respectively provided with a liquid inlet controller and a liquid outlet controller.
5. The device for preparing model water-permeable tubular pile according to claim 1, characterized in that: the motor is arranged in the gelled slurry collecting device, the gelled slurry flows into the grouting pipe groove through the liquid inlet pipe by the motor, and the gelled slurry collected in the slurry collecting pipe groove flows back into the gelled slurry collecting device through the liquid outlet pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910136319.XA CN109795025B (en) | 2019-02-22 | 2019-02-22 | Device for preparing model water-permeable tubular pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910136319.XA CN109795025B (en) | 2019-02-22 | 2019-02-22 | Device for preparing model water-permeable tubular pile |
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| CN109795025A CN109795025A (en) | 2019-05-24 |
| CN109795025B true CN109795025B (en) | 2020-10-16 |
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| CN111469262B (en) * | 2020-04-02 | 2021-05-11 | 四川东汇金筑建材有限公司 | Core tube prefabricating equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191512928A (en) * | 1915-09-09 | 1916-11-09 | Donald Moir | Improvements in or relating to the Manufacture, Centrifugally, of Pipes, Columns and other Hollow Articles. |
| JPS5915507U (en) * | 1982-07-22 | 1984-01-30 | 株式会社クボタ | mortar centrifugal projection device |
| CN101298170A (en) * | 2007-04-30 | 2008-11-05 | 王英权 | Making method of fastener type core hole tube type composite body member and utensils therefor |
| CN102029646B (en) * | 2010-10-15 | 2012-06-06 | 广东建华管桩有限公司 | Equipment for producing concrete pipe pile and method for producing concrete pipe pile by using equipment |
| CN203031762U (en) * | 2012-12-13 | 2013-07-03 | 上海柘中建设股份有限公司 | Tubular pile centrifugal forming mould |
| CN203171818U (en) * | 2013-04-21 | 2013-09-04 | 山大鲁能信息科技有限公司 | Novel thin-walled tube forming device |
| CN204249068U (en) * | 2014-11-25 | 2015-04-08 | 江西中泰来混凝土管桩有限公司 | A kind of pile tube fixed head |
| CN206186090U (en) * | 2016-10-31 | 2017-05-24 | 广东三和管桩股份有限公司 | Prepare no end plate stretch -draw utensil of stress tube stake in advance |
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