CN114776240A - Cast-in-place pile hole bottom slag removal and water removal device - Google Patents
Cast-in-place pile hole bottom slag removal and water removal device Download PDFInfo
- Publication number
- CN114776240A CN114776240A CN202210589037.7A CN202210589037A CN114776240A CN 114776240 A CN114776240 A CN 114776240A CN 202210589037 A CN202210589037 A CN 202210589037A CN 114776240 A CN114776240 A CN 114776240A
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- piston
- main cylinder
- slurry
- hole
- collector
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
- E21B27/02—Dump bailers, i.e. containers for depositing substances, e.g. cement or acids
Abstract
The invention provides a cast-in-place pile hole bottom slag removal and water removal device, which comprises a slurry circulating system, a collector and a lifting device, wherein the lifting device is used for lifting and putting down the collector; the slurry circulation system includes: a slurry conveying pipe and a slurry pumping pipe; the collector includes: the piston assembly comprises a main cylinder and a piston assembly, wherein a piston hole is formed in the bottom of the main cylinder, and the top of the main cylinder is connected with a lifting device. The slurry conveying pipe comprises a slurry conveying hose and a pressurizing nozzle, the pressurizing nozzle is connected to the tail end of the slurry conveying hose, the pressurizing nozzle is connected with the piston assembly, the piston assembly comprises a piston and a piston rod, the piston rod is connected to the bottom surface of the piston, the slurry conveying hose is connected with the lower portion of the piston rod, and the piston assembly is connected with the lower portion of the slurry conveying pipe and limited in the piston hole. After the collector sinks, clear water is injected through a pressurizing nozzle of the slurry conveying pipe to stir up the sediments and the mud skin, and the sediments and the mud skin are collected through the collector. Meanwhile, the slurry pumping pipe pumps the slurry at the upper part out to keep the liquid level in the hole stable. And after the sediment is collected, the collector is lifted by the winch, and the single hole bottom sediment removal operation is finished.
Description
Technical Field
The invention belongs to the technical field of cast-in-place pile construction, and particularly relates to a cast-in-place pile hole bottom slag removal and water removal device.
Background
Under the working condition of cleaning holes of actual cast-in-place piles, due to the complex geological environment, especially large-diameter cast-in-place piles in soft soil and sandy soil areas, the used retaining wall mud is heavy, not only are more sediments generated in the construction process, but also a large number of blocky mud skins fall off, and the difficulty of cleaning holes is high. Because the depth of the sediment at the bottom of the hole is large, effective hole cleaning can not be realized by directly pumping and draining water. The traditional hole cleaning method is time-consuming and labor-consuming, low in efficiency and incapable of ensuring the quality.
In the hole cleaning process of a cast-in-place pile, sediment at the bottom of a hole needs to be stirred up through disturbance, then is removed through a pumping device, and finally slurry is pumped out to prepare for subsequent cast-in-place concrete. The market has a great demand for low-disturbance efficient hole cleaning equipment.
Disclosure of Invention
The invention aims to provide a small-disturbance cast-in-place pile hole bottom slag removal and water removal device to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a cast-in-place pile hole bottom slag removal and water removal device comprises a slurry circulating system, a collector and a lifting device, wherein the lifting device is used for lifting and putting down the collector; the slurry circulation system includes: a slurry conveying pipe and a slurry pumping pipe; the collector includes: the top of the main cylinder is connected with a lifting device, the bottom of the main cylinder is provided with a piston hole, and the piston assembly is connected with the lower part of the slurry conveying pipe and limited in the piston hole.
Further, the grout conveying pipe comprises a grout conveying hose and a pressurizing nozzle, the pressurizing nozzle is connected to the tail end of the grout conveying hose and connected with the piston assembly, the piston assembly comprises a piston and a piston rod, the grout conveying hose is connected with the lower portion of the piston rod, the grout pumping pipe extends into the main cylinder, the main cylinder is lifted, the piston assembly covers the piston hole, the main cylinder is put down, and the piston assembly opens the piston hole. And pressurizing the spray head to enable the clear water to impact the bottom of the hole at a high speed and to stir up the sediment and the mud skin.
Further, foretell bored concrete pile hole bottom scarfing cinder water trap, the slurry pumping pipe includes the pump slurry hose, prevents blockking up the ware and enlarges the mouth, the end of pump slurry hose outwards expands, forms and enlarges the mouth, is connected with in the enlargement mouth and prevents blockking up the ware. Part of the fine sediments are taken out by pumping out the slurry.
Further, foretell a bored concrete pile hole bottom scarfing cinder dewatering device, the main section of thick bamboo top surface is not sealed, main section of thick bamboo upper portion welding has rings.
Further, in the above cast-in-place pile hole bottom slag removal and water removal device, a main cylinder round hole is formed in the side surface of the main cylinder; and a plurality of elastic supports are welded at the bottom of the main cylinder around the piston hole.
Further, in the above cast-in-place pile hole bottom slag-removing and water-removing device, the main cylinder circular holes are distributed on the upper half part of the main cylinder, and the diameters of the main cylinder circular holes are sequentially reduced from top to bottom.
Further, the above-mentioned device for removing slag and water at the bottom of the bored concrete pile hole, the lifting device includes: the collector comprises a ground support, a winch and a lifting rope, wherein a main cylinder of the collector is connected with the winch through the lifting rope, so that the collector is lowered and lifted. The main drum of the collector is connected with the winch through the lifting rope, and the collector can be lowered and lifted by controlling the winch.
Furthermore, in the above device for removing slag and water at the bottom of the hole of the cast-in-place pile, the tail end of the pressurizing nozzle is connected with the circular truncated cone-shaped shell, the bottom surface of the circular truncated cone-shaped shell is provided with a plurality of round holes, and the side surface of the circular truncated cone-shaped shell is provided with a pore channel inclined downwards. Can increase the disturbance to hole bottom sediment, the pore downward sloping can enlarge the disturbance area, can also prevent the disturbance to the side pore wall, prevents to destroy the pore wall.
Further, foretell bored concrete pile hole bottom scarfing cinder water trap, elastic support includes spring, flexible attenuator, connecting rod and pressure head, the removal rod end of flexible attenuator is connected with the connecting rod, and the other end of connecting rod is connected with the pressure head.
Further, foretell a bored concrete pile hole bottom scarfing cinder water trap still includes anti-drop fastener, and anti-drop fastener penetrates rings, lifting rope and main section of thick bamboo are connected through anti-drop fastener.
Further, in the above cast-in-place pile hole bottom slag removal and water removal device, the side length of the short edge of the enlarged opening of the slurry pumping hose is larger than the maximum distance between the hanging rings, so that the enlarged opening can be limited in the main cylinder.
Furthermore, in the above device for removing slag and water at the bottom of the bored concrete pile hole, the slurry conveying pipe further comprises a balancing weight, and the lower part of the slurry conveying hose is connected with the balancing weight.
Further, in the above device for removing slag and water at the bottom of the hole of the cast-in-place pile, the anti-clogging device is a filter screen.
Furthermore, foretell bored concrete pile hole bottom scarfing cinder water trap, anti-drop fastener is cyclic annular, and the buckle lock is passed through at both ends.
Further, in the above cast-in-place pile hole bottom slag removal and water removal device, the pressure head is of an inverted conical shape.
The invention has the beneficial effects that: the piston rod is connected with the lower part of the slurry conveying hose and is limited in the piston hole, and the pressurizing nozzle cannot be separated from the main cylinder when the slurry conveying hose is lifted and put down, so that the pressurizing nozzle can move along with the main cylinder to perform small-range disturbance on a mud layer below the main cylinder; the side surface of the main cylinder is provided with a main cylinder round hole which is big at the top and small at the bottom, a hole with a larger upper part is used for draining water when the main cylinder is lifted, a hole with a smaller lower end can drain water and prevent sediment and mud skin from being separated, the main cylinder round hole is connected with a piston assembly, the piston hole is opened when the main cylinder is sunk at the bottom, and the piston hole is closed when the main cylinder is lifted. The orifice of the slurry conveying pipe is connected with a pressurizing nozzle, so that the local disturbance effect is large, but the disturbance range is small. The collector top is provided with welding rings, install anti-drop fastener on the welding rings, the main section of thick bamboo through the lifting rope that sets up with rings are connected. The collector lower extreme is connected with 4 ~ 12 elastic support of group, and the elastic support lower extreme is the circular cone type, can pierce through the sediment layer when the collector is transferred, and flexible attenuator can fully slow vibration.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the collector configuration;
FIG. 3 is a schematic view of the connection structure of the slurry hose and the piston assembly;
FIG. 4 is a schematic structural view of a main cartridge;
fig. 5 is a schematic structural view of the elastic support.
In the figure, 100-slurry circulation system; 110-a slurry conveying pipe; 111-slurry delivery hose; 112-a counterweight; 113-a spray head; 120-a slurry pumping pipe; 121-slurry pumping hose; 122-an anti-clog device; 123-an enlarged opening; 200-a collector; 210-a main barrel; 211-piston bore; 212-main cartridge round hole; 213-an elastic support; 2131-a spring; 2132-telescopic damper; 2133-connecting rod; 2134-indenter; 214-a lifting ring; 220-a piston assembly; 300-a lifting device; 310-a ground support; 320-a winch; 330-lifting rope.
Detailed Description
A cast-in-place pile hole bottom slag-cleaning and water-removing device comprises a slurry circulating system 100, a collector 200 and a lifting device 300, wherein the lifting device 300 is used for lifting and putting down the collector 200; the slurry circulation system 100 includes: a slurry feed pipe 110 and a slurry pumping pipe 120; the collector 200 includes: the bottom of the main cylinder 210 is provided with a piston hole, the top of the main cylinder 210 is connected with the lifting device 300, and the piston component 220 is connected with the lower part of the pulp conveying pipe 110 and is limited in the piston hole 211.
Further, in the above apparatus for removing slag and removing water from the bottom of a bored concrete pile hole, the grout pipe 110 includes the grout hose 111 and the pressurizing nozzle 113, the end of the grout hose 111 is connected to the pressurizing nozzle 113, the pressurizing nozzle 113 is connected to the piston assembly 220, the piston assembly 220 includes a piston and a piston rod, the piston rod is connected to the bottom of the piston, the grout hose 111 is connected to the lower portion of the piston rod, the grout pipe 120 extends into the main cylinder 210, the main cylinder 210 is lifted, the piston assembly 220 covers the piston hole 211, the main cylinder 210 is lowered, and the piston assembly 220 opens the piston hole 211.
Further, in the above slag-removing and water-removing device for the bottom of the bored concrete pile hole, the slurry pumping pipe 120 includes a slurry pumping hose 121, an anti-clogging device 122 and an enlarged opening 123, the end of the slurry pumping hose 121 expands outward to form the enlarged opening 123, and the anti-clogging device 122 is connected in the enlarged opening 123.
Further, in the above cast-in-place pile hole bottom slag-cleaning and water-removing device, the top surface of the main cylinder 210 is not closed, and the upper part of the main cylinder 210 is welded with the hanging ring 214.
Further, in the above apparatus for removing slag and water at the bottom of a bored concrete pile hole, a main cylinder circular hole 212 is formed in a side surface of the main cylinder 210; a plurality of elastic supports 213 are welded at the bottom of the main cylinder 210 around the piston hole 211.
Further, in the above-mentioned device for removing slag and water at the bottom of the bored concrete pile hole, the main cylinder circular holes 212 are distributed on the upper half portion of the main cylinder 210, and the diameters thereof decrease from top to bottom in sequence.
Further, in the above apparatus for removing slag and water at the bottom of a bored concrete pile hole, the lifting device 300 includes: the collector 200 comprises a ground bracket 310, a winch 320 and a lifting rope 330, wherein the main drum 210 of the collector 200 is connected with the winch 320 through the lifting rope 330, so that the collector 200 is lowered and lifted.
Further, in the above device for removing slag and water at the bottom of the hole of the cast-in-place pile, the end of the pressurizing nozzle 113 is connected with the circular truncated cone-shaped shell, the bottom surface of the circular truncated cone-shaped shell is provided with a plurality of circular holes, and the side surface of the circular truncated cone-shaped shell is provided with a pore canal inclined downwards. Can increase the disturbance to hole bottom sediment, the pore downward sloping can enlarge the disturbance area, can also prevent the disturbance to the side pore wall, prevents to destroy the pore wall.
Further, in the above cast-in-place pile hole bottom slag-removing and water-removing device, the elastic support 213 includes a spring 2131, a telescopic damper 2132, a connecting rod 2133 and a pressure head 2134, a moving rod end of the telescopic damper 2132 is connected with the connecting rod 2133, and the other end of the connecting rod 2133 is connected with the pressure head 2134.
Further, the above-mentioned cast-in-place pile hole bottom scarfing cinder water trap still includes anti-drop fastener, and anti-drop fastener penetrates rings 214, lifting rope 330 and main section of thick bamboo 210 are connected through anti-drop fastener.
Further, in the above device for removing slag and water at the bottom of a bored concrete pile hole, the length of the short side of the enlarged opening 123 of the slurry pumping hose 121 is greater than the maximum length of the sides between the hanging rings, so that the enlarged opening 123 can be limited in the main cylinder 210.
Further, the above-mentioned device for removing slag and water at the bottom of the hole of the cast-in-place pile further comprises a weight block 112, and the lower part of the slurry conveying hose 111 is connected with the weight block 112.
Further, in the above apparatus for removing slag and water at the bottom of a bored concrete pile hole, the anti-clogging device 122 is a filter screen.
Further, foretell bored concrete pile hole bottom scarfing cinder water trap, anti-drop fastener is cyclic annular, and the buckle lock is passed through at both ends.
The invention relates to a cast-in-place pile hole bottom slag removing and water removing device, which is mainly used for a large-diameter cast-in-place pile hole bottom slag removing and water removing device. After the collector sinks, clear water is injected through the slurry conveying pipe to stir up sediments and mud skin, and the sediments and the mud skin are collected through the collector. Meanwhile, the slurry pumping pipe pumps the slurry at the upper part out to keep the liquid level in the hole stable. And after the sediment is collected, the sediment collector is lifted by a winch arranged on the ground support, and the single hole bottom sediment removal operation is finished. The device has simple structure and low operation difficulty; safe, reliable, economical and reasonable; through repeated operation, the thick sediment at the bottom of the hole can be treated, the construction disturbance is small, and the method is particularly suitable for cast-in-place pile engineering in areas with poor geological environment.
Claims (10)
1. The utility model provides a bored concrete pile hole bottom scarfing cinder water trap which characterized in that: comprises a slurry circulation system (100), a collector (200) and a lifting device (300), wherein the lifting device (300) is used for lifting and lowering the collector (200); the slurry circulation system (100) comprises: a slurry conveying pipe (110) and a slurry pumping pipe (120); the collector (200) comprises: the device comprises a main cylinder (210) and a piston assembly (220), wherein the top of the main cylinder (210) is connected with a lifting device (300), a piston hole is formed in the bottom of the main cylinder (210), and the piston assembly is connected with the lower part of a pulp conveying pipe (110) and limited in the piston hole (211).
2. The device of claim 1 for removing slag and water at the bottom of cast-in-place pile hole, characterized in that: defeated thick liquid pipe (110) are including defeated thick liquid hose (111) and pressurization shower nozzle (113), and defeated thick liquid hose's (111) end connection pressurization shower nozzle (113), piston assembly (220) are including piston and piston rod, and the piston rod is connected in the piston bottom surface, defeated thick liquid hose (111) and piston rod sub-unit connection, and the thick liquid pipe of taking out (120) extend to main section of thick bamboo (210) in, carry and pull main section of thick bamboo (210), and piston assembly (220) lid closes piston hole (211), puts down main section of thick bamboo (210), and piston assembly (220) open piston hole (211).
3. The device for removing slag and water at the bottom of the bored concrete pile hole according to claim 1, wherein: the slurry pumping pipe (120) comprises a slurry pumping hose (121), an anti-clogging device (122) and an expansion opening (123), the tail end of the slurry pumping hose (121) expands outwards to form the expansion opening (123), and the anti-clogging device (122) is connected in the expansion opening (123).
4. The device of claim 1 for removing slag and water at the bottom of cast-in-place pile hole, characterized in that: the top surface of the main cylinder (210) is not closed, and a hanging ring (214) is welded at the upper part of the main cylinder (210).
5. The device of claim 2 for removing slag and water at the bottom of cast-in-place pile hole, characterized in that: a main cylinder round hole (212) is formed in the side surface of the main cylinder (210); a plurality of elastic supports (213) are welded at the bottom of the main cylinder (210) around the piston hole (211).
6. The device of claim 5 for removing slag and water at the bottom of cast-in-place pile hole, which is characterized in that: the main cylinder round holes (212) are distributed on the upper half part of the main cylinder (210), and the diameters of the main cylinder round holes are sequentially reduced from top to bottom.
7. The apparatus according to claim 4, wherein: the lifting device (300) comprises: the collector comprises a ground support (310), a winch (320) and a lifting rope (330), wherein the main drum (210) of the collector (200) is connected with the winch (320) through the lifting rope (330), so that the collector (200) is lowered and lifted.
8. The device of claim 2 for removing slag and water at the bottom of cast-in-place pile hole, characterized in that: the tail end of the pressurizing spray head (113) is connected with a circular truncated cone-shaped shell, a plurality of round holes are formed in the bottom surface of the circular truncated cone-shaped shell, and pore channels inclined downwards are formed in the side surface of the circular truncated cone-shaped shell.
9. The device of claim 5 for removing slag and water at the bottom of cast-in-place pile hole, which is characterized in that: the elastic support (213) comprises a spring (2131), a telescopic damper (2132), a connecting rod (2133) and a pressure head (2134), wherein the moving rod end of the telescopic damper (2132) is connected with the connecting rod (2133), and the other end of the connecting rod (2133) is connected with the pressure head (2134).
10. The apparatus according to claim 7, wherein: still include anti-drop fastener, anti-drop fastener penetrates rings (214), lifting rope (330) and main section of thick bamboo (210) are connected through anti-drop fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210589037.7A CN114776240B (en) | 2022-05-26 | 2022-05-26 | Slag removal and water removal device for bottom of bored concrete pile hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210589037.7A CN114776240B (en) | 2022-05-26 | 2022-05-26 | Slag removal and water removal device for bottom of bored concrete pile hole |
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| CN114776240A true CN114776240A (en) | 2022-07-22 |
| CN114776240B CN114776240B (en) | 2023-10-03 |
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| CN202210589037.7A Active CN114776240B (en) | 2022-05-26 | 2022-05-26 | Slag removal and water removal device for bottom of bored concrete pile hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142421A (en) * | 2022-08-09 | 2022-10-04 | 中国建筑第八工程局有限公司 | Guide row device for pouring cast-in-place pile and guide row method thereof |
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| CN115142421A (en) * | 2022-08-09 | 2022-10-04 | 中国建筑第八工程局有限公司 | Guide row device for pouring cast-in-place pile and guide row method thereof |
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| Publication number | Publication date |
|---|---|
| CN114776240B (en) | 2023-10-03 |
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