CN114776240B - Slag removal and water removal device for bottom of bored concrete pile hole - Google Patents
Slag removal and water removal device for bottom of bored concrete pile hole Download PDFInfo
- Publication number
- CN114776240B CN114776240B CN202210589037.7A CN202210589037A CN114776240B CN 114776240 B CN114776240 B CN 114776240B CN 202210589037 A CN202210589037 A CN 202210589037A CN 114776240 B CN114776240 B CN 114776240B
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- main cylinder
- piston
- hole
- slurry
- collector
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Classifications
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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 circulation system, a collector and a lifting device, wherein the lifting device is used for lifting and lowering the collector; the slurry circulation system includes: a slurry conveying pipe and a slurry pumping pipe; the collector comprises: the lifting device 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 the lifting device. The slurry conveying pipe comprises a slurry conveying hose and a pressurizing nozzle, the tail end of the slurry conveying hose is connected with the pressurizing nozzle, the pressurizing nozzle is connected with a 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 part of the piston rod, and the piston assembly is connected with the lower part of the slurry conveying pipe and is limited in a piston hole. After the collector is sunk, clean water is injected into the slurry conveying pipe through the pressurizing nozzle to excite sediment and mud skin, and the sediment and mud skin are collected through the collector. And simultaneously, the slurry pumping pipe pumps the slurry at the upper part, so that the liquid level in the hole is kept stable. After the sediment is collected, the collector is lifted by a winch, and the single hole bottom sediment removal operation is completed.
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 actual cast-in-place pile hole cleaning, due to complex geological environment, especially for large-diameter cast-in-place piles in soft soil and sandy soil areas, the used retaining wall slurry has larger weight, more sediment is produced in the construction process, a large number of blocky mud coats fall off, and the hole cleaning difficulty is larger. Because the sediment depth at the bottom of the hole is large, the effective hole cleaning can not be realized by directly pumping and draining. The traditional hole cleaning method is time-consuming and labor-consuming, has low efficiency and cannot guarantee quality.
In the process of cleaning holes of the cast-in-place pile, the sediment at the bottom of the holes is required to be excited through disturbance, then the sediment is discharged through a pumping device, finally, slurry is pumped out to prepare for the subsequent pouring of concrete, massive mud skin is difficult to process through the traditional hole cleaning means, when the disturbance is small, the mud skin and thicker sediment are difficult to excite, and when the disturbance is large, the mud skin is easy to fall off for the second time, and even pile holes collapse. The market has a great demand for small disturbance high-efficiency hole cleaning equipment.
Disclosure of Invention
The invention aims to provide a small-disturbance slag and water removing device for a bottom of a bored pile hole, which aims to solve the problems of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the device comprises a slurry circulation system, a collector and a lifting device, wherein the lifting device is used for lifting and lowering the collector; the slurry circulation system includes: a slurry conveying pipe and a slurry pumping pipe; the collector comprises: the top of the main cylinder is connected with the 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 is limited in the piston hole.
Further, the grouting pipe comprises a grouting hose and a pressurizing nozzle, the tail end of the grouting hose is connected with the pressurizing nozzle, the pressurizing nozzle is connected with a piston assembly, the piston assembly comprises a piston and a piston rod, the grouting hose is connected with the lower portion of the piston rod, the grouting pipe extends into the main barrel, the main barrel is lifted, the piston assembly covers the piston hole, the main barrel is put down, and the piston assembly opens the piston hole. The spray nozzle is pressurized, so that clear water impacts the bottom of the hole at a high speed to excite sediment and mud skin.
Further, the grouting pipe comprises a grouting hose, an anti-blocking device and an expansion port, wherein the tail end of the grouting hose is expanded outwards to form the expansion port, and the anti-blocking device is connected in the expansion port. Part of the fine sediment is carried out by pumping out the slurry along the belt.
Further, according to the bored concrete pile hole bottom slag removal and water removal device, the top surface of the main cylinder is not closed, and the upper part of the main cylinder is welded with the hanging ring.
Further, in the device for removing slag and water at the bottom of the bored pile hole, a main cylinder round hole is formed in the side face of the main cylinder; and a plurality of elastic supports are welded at the bottom of the main cylinder around the piston hole.
Further, according to the device for removing slag and water at the bottom of the bored pile hole, the round holes of the main cylinder are distributed on the upper half part of the main cylinder, and the diameters of the round holes of the main cylinder are sequentially reduced from top to bottom.
Further, foretell a bored concrete pile hole bottom scarfing cinder dewatering device, hoisting device includes: the main barrel of the collector is connected with the winch through the lifting rope, so that the collector can be lowered and lifted. The main cylinder of the collector is connected with the winch through the lifting rope, and the collector can be lowered and lifted through controlling the winch.
Further, according to the bored concrete pile hole bottom slag removal and water removal device, the tail end of the pressurizing spray head is connected with the round table type shell, the bottom surface of the round table type shell is provided with a plurality of round holes, and the side surface of the round table type shell is provided with a hole channel inclining downwards. The disturbance to the sediment at the bottom of the hole can be increased, the downward inclination of the pore canal can enlarge the disturbance area, and the disturbance to the wall of the side hole can be prevented, so that the wall of the hole is prevented from being damaged.
Further, the device for removing slag and water at the bottom of the bored concrete pile hole comprises a spring, a telescopic damper, a connecting rod and a pressure head, wherein the movable rod end of the telescopic damper is connected with the connecting rod, and the other end of the connecting rod is connected with the pressure head.
Further, the cast-in-place pile hole bottom slag removal and water removal device further comprises an anti-falling fastener, the anti-falling fastener penetrates into the hanging ring, and the hanging rope is connected with the main barrel through the anti-falling fastener.
Further, according to the bored concrete pile hole bottom slag removal and water removal device, the short side edge of the expansion port of the grouting hose is longer than the maximum distance between the hanging rings, so that the expansion port can be limited in the main cylinder.
Further, the device for removing slag and water at the bottom of the bored pile hole, wherein 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, the device for removing slag and water from the bottom of the bored pile hole is characterized in that the anti-blocking device is a filter screen.
Further, the device for removing slag and water at the bottom of the bored pile hole is characterized in that the anti-falling fastener is annular, and two ends of the anti-falling fastener are buckled through buckles.
Further, the device for removing slag and water from the bottom of the bored pile hole is characterized in that the pressure head is in a shape of a reverse cone.
The beneficial effects of the invention are as follows: 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 is not 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 main cylinder is provided with a main cylinder round hole on the side surface, the upper part is large and the lower part is small, the hole with the larger upper part is used for draining water when lifting, the hole with the smaller lower end can drain water and prevent sediment and mud skin from falling off, the piston assembly is connected, the piston hole is opened when sinking, and the piston hole is closed when lifting. The orifice of the slurry conveying pipe is connected with a pressurizing spray head, the local disturbance effect is larger, and the disturbance range is smaller. The top end of the collector is provided with a welding hanging ring, an anti-falling fastener is arranged on the welding hanging ring, and the main cylinder is connected with the hanging ring through a hanging rope. The lower end of the collector is connected with 4-12 groups of elastic supports, the lower ends of the elastic supports are conical, the collector can penetrate through a slag layer when being put down, and the telescopic damper can sufficiently damp vibration.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the collector;
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 the main cartridge;
fig. 5 is a schematic structural view of the elastic support.
In the figure, a 100-slurry circulation system; 110-slurry conveying pipe; 111-a slurry hose; 112-balancing weight; 113-a spray head; 120-a pulp pumping pipe; 121-a pulp pumping hose; 122-anti-blocking device; 123-expanding the mouth; 200-collector; 210-a main barrel; 211-piston bore; 212-a main cylinder round hole; 213-elastic support; 2131-springs; 2132-telescoping damper; 2133-a connecting rod; 2134-ram; 214-hanging rings; 220-a piston assembly; 300-lifting device; 310-ground support; 320-a winch; 330-lifting rope.
Detailed Description
The device 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 includes: a slurry feed pipe 110 and a slurry extraction pipe 120; the collector 200 includes: the main cylinder 210 and the piston assembly 220, 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 assembly is connected with the lower part of the slurry conveying pipe 110 and is limited in the piston hole 211.
Further, the grouting pipe 110 comprises a grouting hose 111 and a pressurizing nozzle 113, the end of the grouting hose 111 is connected with the pressurizing nozzle 113, the pressurizing nozzle 113 is connected with a piston assembly 220, the piston assembly 220 comprises a piston and a piston rod, the piston rod is connected to the bottom surface of the piston, the grouting hose 111 is connected with the lower part of the piston rod, the grouting 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 put down, and the piston assembly 220 opens the piston hole 211.
Further, the grouting pipe 120 comprises a grouting hose 121, an anti-blocking device 122 and an expansion port 123, wherein the tail end of the grouting hose 121 is expanded outwards to form the expansion port 123, and the anti-blocking device 122 is connected to the expansion port 123.
Further, in the above-mentioned device for removing slag and water from the bottom of a bored pile hole, the top surface of the main cylinder 210 is not closed, and a hanging ring 214 is welded on the upper portion of the main cylinder 210.
Further, in the above-mentioned device for removing slag and water from the bottom of the bored pile hole, the side surface of the main cylinder 210 is provided with a circular hole 212 of the main cylinder; a plurality of elastic supports 213 are welded around the piston hole 211 at the bottom of the main cylinder 210.
Further, in the above-mentioned device for removing slag and water from the bottom of the bored pile hole, the circular holes 212 of the main cylinder are distributed on the upper half part of the main cylinder 210, and the diameters thereof are sequentially reduced from top to bottom.
Further, the above-mentioned device for removing slag and water from the bottom of the bored pile hole, the lifting device 300 comprises: the main cylinder 210 of the collector 200 is connected with the winch 320 through the lifting rope 330 to realize the descending and lifting of the collector 200.
Further, in the above device for removing slag and water from the bottom of a bored pile hole, the end of the pressurizing nozzle 113 is connected with a circular-table-shaped casing, the bottom surface of the circular-table-shaped casing is provided with a plurality of round holes, and the side surface of the circular-table-shaped casing is provided with a hole channel inclined downwards. The disturbance to the sediment at the bottom of the hole can be increased, the downward inclination of the pore canal can enlarge the disturbance area, and the disturbance to the wall of the side hole can be prevented, so that the wall of the hole is prevented from being damaged.
Further, the above-mentioned device for removing slag and water from the bottom of a bored pile hole, the elastic support 213 comprises a spring 2131, a telescopic damper 2132, a connecting rod 2133 and a ram 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 ram 2134.
Further, the device for removing slag and water from the bottom of the bored pile hole further comprises an anti-falling fastener, the anti-falling fastener penetrates into the hanging ring 214, and the hanging rope 330 is connected with the main barrel 210 through the anti-falling fastener.
Further, in the above-mentioned device for removing slag and water from the bottom of a bored concrete pile hole, the short side length of the expansion port 123 of the grouting hose 121 is longer than the maximum side length between the hanging rings, so that the expansion port 123 can be limited in the main cylinder 210.
Further, the device for removing slag and water from the bottom of the bored pile hole further comprises a balancing weight 112, and the balancing weight 112 is connected to the lower portion of the slurry conveying hose 111.
Further, in the above-mentioned device for removing slag and water from the bottom of the bored pile hole, the anti-blocking device 122 is a filter screen.
Further, the device for removing slag and water at the bottom of the bored pile hole is characterized in that the anti-falling fastener is annular, and two ends of the anti-falling fastener are buckled through buckles.
The invention discloses a slag and water removing device for a bottom of a bored pile hole, which is mainly used for a slag and water removing device for a bottom of a large-diameter bored pile hole. After the collector is submerged, clean water is injected into the slurry conveying pipe to excite the sediments and mud skin, and the sediments and mud skin are collected by the collector. And simultaneously, the slurry pumping pipe pumps the slurry at the upper part, so that the liquid level in the hole is kept stable. After the sediment collection is finished, a winch arranged on a ground support lifts the sediment collector, and the sediment removal operation at the bottom of a single hole is finished. The device has simple structure and low operation difficulty; safe, reliable, economical and reasonable; through multiple operations, the thick sediment at the bottom of the hole can be treated, and the construction disturbance is small, so that the method is particularly suitable for the filling pile engineering in areas with poor geological environment.
Claims (5)
1. The utility model provides a cast-in-place pile hole bottom scarfing cinder dewatering device 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) includes: a pulp conveying pipe (110) and a pulp 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 slurry conveying pipe (110) and is limited in a piston hole (211);
the slurry conveying pipe (110) comprises a slurry conveying hose (111) and a pressurizing nozzle (113), the tail end of the slurry conveying hose (111) is connected with the pressurizing nozzle (113), the piston assembly (220) comprises a piston and a piston rod, the piston rod is connected to the bottom surface of the piston, the slurry conveying hose (111) is connected with the lower part of the piston rod, the slurry suction 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 put down, and the piston assembly (220) opens the piston hole (211);
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 around the piston hole (211) at the bottom of the main cylinder (210);
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;
the tail end of the pressurizing spray head (113) is connected with a circular truncated cone type shell, a plurality of round holes are formed in the bottom surface of the circular truncated cone type shell, and a pore canal inclining downwards is formed in the side surface of the circular truncated cone type shell;
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).
2. The cast-in-place pile hole bottom slag removal and water removal device according to claim 1, wherein: the grouting pipe (120) comprises a grouting hose (121), an anti-blocking device (122) and an expansion port (123), wherein the tail end of the grouting hose (121) is expanded outwards to form the expansion port (123), and the anti-blocking device (122) is connected to the expansion port (123).
3. The cast-in-place pile hole bottom slag removal and water removal device according to claim 1, wherein: 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).
4. A bored concrete pile hole bottom scarfing cinder dewatering device according to claim 3, wherein: the lifting device (300) comprises: the ground support (310), the winch (320) and the lifting rope (330), wherein the main barrel (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.
5. The device for removing slag and water from the bottom of a bored pile hole as set forth in claim 4, wherein: the lifting rope also comprises an anti-falling fastener, the anti-falling fastener penetrates into the lifting ring (214), and the lifting rope (330) is connected with the main cylinder (210) through the anti-falling 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 |
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| 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 CN114776240A (en) | 2022-07-22 |
| CN114776240B true CN114776240B (en) | 2023-10-03 |
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| CN115142421B (en) * | 2022-08-09 | 2024-03-12 | 中国建筑第八工程局有限公司 | Guide and drainage device for pouring cast-in-place pile and guide and drainage method thereof |
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