CN214273568U - Sand gravel geology bored concrete pile pore-forming device - Google Patents
Sand gravel geology bored concrete pile pore-forming device Download PDFInfo
- Publication number
- CN214273568U CN214273568U CN202022936470.2U CN202022936470U CN214273568U CN 214273568 U CN214273568 U CN 214273568U CN 202022936470 U CN202022936470 U CN 202022936470U CN 214273568 U CN214273568 U CN 214273568U
- Authority
- CN
- China
- Prior art keywords
- protection tube
- mud
- water
- slurry
- pile hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a gravel and sand geology bored concrete pile pore-forming device, including the bored concrete pile hole, a protection tube is buried at the top of the bored concrete pile hole, the inside cover of the protection tube is equipped with a water-retaining cylinder, the outside of the protection tube is evenly connected with a reinforcing rod, a reinforcing filling layer is filled between the outside of the protection tube and the bored concrete pile hole, a mud pit is arranged at one side of the bored concrete pile hole, one side of the mud pit is connected with a low-pressure mud pump through a pipeline, the water outlet of the low-pressure mud pump is connected with a mud input pipe, the utility model discloses a reinforcing filling layer is filled at the outside of the protection tube, the soil layer around the protection tube can be compacted, the orifice collapse can be effectively prevented, the water-retaining cavity is formed between the protection tube and the protection tube by arranging the water-retaining cylinder at the inside of the protection tube, then the mud is added into the water-retaining cavity, the protection tube can be formed between the protection tube and the hole wall, the water leakage of the protection tube can be prevented, the water level of the protection tube can be effectively kept, the method can effectively prevent local collapse and ensure normal operation of pore forming.
Description
Technical Field
The utility model relates to a bored concrete pile pore-forming equipment technical field specifically is a sand gravel geology bored concrete pile pore-forming device.
Background
The gravel stratum is widely distributed in China, the buried depth of the gravel stratum is shallow, the gravel stratum is a complex stratum frequently encountered in the field of engineering construction, the improvement of the engineering geological condition of the gravel stratum is an important way for solving the difficulty of the stratum construction, the gravel stratum is a typical mechanically unstable stratum, the pores among particles are large, almost no cohesive force exists, in the directional drilling construction, the collapse of the hole wall is easy to occur in the drilling process or the reaming process, the drilling and reaming construction is difficult, the soil around the casing is denser than loose parts, the collision and vibration are caused during the hole forming, the collapse of the hole opening and the leakage of the casing are easy to occur, the water level of the casing is not kept, the speed is high when a drill bit penetrates through the gravel stratum, and the erosion of slurry is added, so that the slurry cannot form an effective mud film on the hole wall, the local collapse is caused, the sediment in the hole is seriously over-thick, the normal operation of pore-forming is seriously influenced, and therefore, a pore-forming device for the sand gravel geological filling pile needs to be designed to solve the existing problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sand gravel geology bored concrete pile pore-forming device, through protecting a section of thick bamboo inboard and being equipped with a water conservation section of thick bamboo, and protect and form the water conservation cavity between the section of thick bamboo, then add mud in to the water conservation cavity, can form the mud membrane protection between a section of thick bamboo and pore wall protecting, prevent to protect a section of thick bamboo and take place the running water, can effectively keep protecting a section of thick bamboo water level, be equipped with the buffer hood through the exit at the mud input tube, can cushion the speed that mud flows, reduce the erosion to the pore wall, make mud form effectual mud membrane on the pore wall, can effectively prevent to appear locally collapsing, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
a hole forming device for a gravel-sand geological cast-in-place pile comprises a cast-in-place pile hole, wherein a protective cylinder is embedded into the top of the cast-in-place pile hole, a water-retaining cylinder is sleeved on the inner side of the protective cylinder, reinforcing rods are uniformly connected to the outer side of the protective cylinder, a reinforcing filling layer is filled between the outer side of the protective cylinder and the cast-in-place pile hole, a mud pit is arranged on one side of the cast-in-place pile hole, a low-pressure mud pump is connected to one side of the mud pit through a pipeline, a mud input pipe is connected to the water outlet of the low-pressure mud pump, a pipe head is connected to the bottom end of the mud input pipe, a buffer cover is sleeved on the outer side of the pipe head, a drill rod is arranged in the center of the inner cavity of the cast-in-place pile hole, a drill bit and a rotary union are movably connected to the bottom end and the top of the drill rod respectively, a mud output pipe is connected to one end of the mud output pipe, a high-pressure mud pump is connected to a sedimentation tank through a pipeline, and the sedimentation tank is dug at one side of the cast-in-place pile hole.
Furthermore, an orifice supporting frame is arranged at the top of the cast-in-place pile hole and covers the upper part of the pile casing.
Further, protect and be formed with the water cavity between a section of thick bamboo and the section of thick bamboo that protects, just protect a water section of thick bamboo outside through evenly distributed's connecting rod and a section of thick bamboo fixed connection.
Further, the reinforcing filling layer is sealed and filled with clay, and the reinforcing filling layer is tightly compacted on the outer sides of the pile casing and the reinforcing rods.
Furthermore, a stirring support is arranged above the slurry tank, a stirring motor is installed on the stirring support, the output shaft end of the stirring motor is connected with a stirring rod, and the stirring rod is located in the slurry tank.
Furthermore, the mud input pipe penetrates through the inner side of the orifice support frame and then extends to the inner side of the cast-in-place pile hole, and the low-pressure mud pump and the high-pressure mud pump are respectively installed on two sides of the top of the orifice support frame.
Furthermore, the vertical section of the buffer cover is trapezoidal, and the inner side of the buffer cover is connected to the outer side of the tube head through a support rod.
Furthermore, the top of the pipe head is provided with a counterweight ring, and the counterweight ring is sleeved outside the slurry input pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a be equipped with the anchor strut outside protecting a section of thick bamboo and fill and have the reinforcement filling layer, can increase the bearing structure of protecting a section of thick bamboo and compact the soil horizon around protecting a section of thick bamboo, effectively prevent that the drill way from collapsing, through protect a section of thick bamboo inboard be equipped with the section of thick bamboo of protecting water, and protect and form the water-retaining cavity between a section of thick bamboo, then add mud to the water-retaining cavity, can form the protection of mud film between protecting a section of thick bamboo and pore wall, prevent to protect a section of thick bamboo and take place the running water, can effectively keep protecting a section of thick bamboo water level;
2. the buffer cover is arranged at the outlet of the slurry input pipe, so that the flowing speed of the slurry can be buffered, the erosion to the hole wall is reduced, the slurry forms an effective mud film on the hole wall, the rotating speed of the drill bit is reduced, the slurry is pressed into the hole wall, the local collapse can be effectively prevented, and the normal operation of hole forming is ensured;
3. the stirring rod is driven to rotate through the stirring motor, so that slurry in the slurry tank can be stirred, the slurry is prevented from precipitating, the viscosity of the slurry is kept, the suspension capacity of the slurry is enhanced, and the efficiency of forming a mud film on the hole wall is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the top of the casing of the present invention;
fig. 3 is a schematic view of a vertical cross-section structure of a tube head according to the present invention;
fig. 4 is a schematic top view of the tube head of the present invention;
reference numbers in the figures: 1. pouring a pile hole; 11. an orifice support frame; 2. protecting the cylinder; 21. a water retention cartridge; 211. a water retention cavity; 212. a connecting rod; 22. a reinforcing rod; 23. reinforcing the filling layer; 3. a mud pit; 31. stirring the bracket; 32. a stirring motor; 33. a stirring rod; 4. a low pressure slurry pump; 41. a slurry input pipe; 42. a pipe head; 421. a counterweight ring; 43. a buffer cover; 5. a drill stem; 51. a drill bit; 52. rotating the movable joint; 6. a slurry output pipe; 7. a high pressure slurry pump; 8. a sedimentation tank.
Detailed Description
The technical solution of the present invention will be described in detail and fully with reference to the accompanying drawings, wherein the embodiments are only for describing a part of the invention, but not for describing the whole invention.
Example (b):
as shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a gravel sand geology bored concrete pile pore-forming device, includes bored concrete pile hole 1, bored concrete pile hole 1 top is buried and is had a section of thick bamboo 2 for protect the drill way, protect the inboard cover of a section of thick bamboo 2 and be equipped with a section of thick bamboo 21 of protecting for prevent to protect a section of thick bamboo 2 to take place to run water, protect a 2 outside evenly connected with anchor strut 22, it has reinforcing filling layer 23 to fill between a 2 outside and the bored concrete pile hole 1 of protecting, can increase the bearing structure of a section of thick bamboo 2 and the compaction soil horizon around protecting a section of thick bamboo 2, effectively prevents that the drill way from collapsing, bored concrete pile hole 1 one side is equipped with mud pit 3, mud pit 3 one side has low pressure slush pump 4 through the pipe connection, the delivery port of low pressure slush pump 4 is connected with mud input tube 41, mud input tube 41 bottom is connected with tube head 42, can input mud into bored concrete pile hole, the mud discharging speed can be buffered, erosion to the hole wall is reduced, so that mud forms an effective mud film on the hole wall, a drill rod 5 is arranged in the center of an inner cavity of the cast-in-place pile hole 1, the bottom end and the top end of the drill rod 5 are respectively and movably connected with a drill bit 51 and a rotary union 52, drilling is carried out through the drill bit 51, hole forming operation is completed, a mud output pipe 6 is connected to the top of the rotary union 52, one end of the mud output pipe 6 is connected with a high-pressure mud pump 7, a water outlet of the high-pressure mud pump 7 is connected with a sedimentation tank 8 through a pipeline, the sedimentation tank 8 is dug and arranged on one side of the cast-in-place pile hole 1, silt at the bottom of.
In this embodiment, as shown in fig. 1, an orifice support frame 11 is disposed at the top of the bored concrete pile hole 1, and the orifice support frame 11 covers the casing 2 to support the bored concrete pile hole and facilitate installation of equipment above the bored concrete pile hole 1.
In this embodiment, as shown in fig. 1 and fig. 2, a water-retaining cavity 211 is formed between the protective cylinder 2 and the water-retaining cylinder 21, the outer side of the water-retaining cylinder 21 is fixedly connected with the protective cylinder 2 through evenly distributed connecting rods 212, mud is added into the water-retaining cavity 211, a mud film can be formed between the protective cylinder 2 and the hole wall for protection, the protective cylinder 2 is prevented from water leakage, and the water level in the protective cylinder 2 can be effectively maintained.
In the embodiment, as shown in fig. 1 and 2, the reinforcing filling layer 23 is filled with clay, and the reinforcing filling layer 23 is tightly compacted outside the casing 2 and the reinforcing rods 22, so that the supporting structure of the casing 2 is increased, the soil layer around the casing 2 is compacted, the collapse of the opening is effectively prevented, and the protection capability of the casing 2 is improved.
In this embodiment, as shown in fig. 1, a stirring support 31 is arranged above the slurry tank 3, a stirring motor 32 is installed on the stirring support 31, an output shaft end of the stirring motor 32 is connected with a stirring rod 33, and the stirring rod 33 is located in the slurry tank 3, so that slurry in the slurry tank 3 can be stirred, precipitation is prevented, the viscosity of the slurry is maintained, and the efficiency of forming a sludge film on a hole wall is improved.
In this embodiment, as shown in fig. 1, the mud input pipe 41 extends to the inside of the bored concrete pile hole 1 after penetrating through the inside of the orifice support frame 11, so as to facilitate the rapid input of mud into the bored concrete pile hole 1, and the low-pressure mud pump 4 and the high-pressure mud pump 7 are respectively installed on both sides of the top of the orifice support frame 11.
In this embodiment, as shown in fig. 1, fig. 3 and fig. 4, the vertical section of the buffer cover 43 is trapezoidal, and the buffer cover 43 is connected to the outside of the pipe head 42 through a support rod, the top of the pipe head 42 is provided with a counterweight ring 421, and the counterweight ring 421 is sleeved on the outside of the slurry input pipe 41, so that the weight of the pipe head 42 can be increased, and when the drill rod 5 rotates, the influence of slurry on the slurry input pipe 41 is reduced, and the slurry input is relatively stable.
The utility model discloses improve in: the hole forming device for the gravel-sand geological cast-in-place pile is characterized in that in the hole forming process, a drill rod 5 is rotated to a drill bit 51 to drill at the bottom of a cast-in-place pile hole 1, then a low-pressure mud pump 4 inputs mud in a mud pool 3 into the cast-in-place pile hole 1 through a mud input pipe 41, then silt at the bottom of the hole is pumped out and discharged into a sedimentation pool 8 through a high-pressure mud pump 7, the water level in the cast-in-place pile hole 1 is kept unchanged, a reinforcing rod 22 is arranged on the outer side of a protective cylinder 2 and filled with a reinforcing filling layer 23, the supporting structure of the protective cylinder 2 and a soil layer around the protective cylinder 2 can be increased, the opening is effectively prevented from collapsing, a water protection cavity 211 is formed between the protective cylinder 2 and the protective cylinder 2 through the arrangement of a water protection cylinder 21 on the inner side of the protective cylinder 2, then mud is added into the water protection cavity 211, a mud film protection can be formed between the protective cylinder 2 and the hole wall, the water leakage of the protective cylinder 2 is prevented, the water level in the protective cylinder 2 can be effectively kept, through being equipped with the buffer housing 43 in the exit of mud input tube 41, can cushion the speed that mud flows out, reduce the erosion to the pore wall for mud forms effectual mud film on the pore wall, reduces drill bit 51's rotational speed simultaneously, makes mud impress the pore wall, can effectively prevent the part and collapse, guarantees the normal clear of pore-forming.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a sand gravel geology bored concrete pile pore-creating device, includes bored concrete pile hole (1), its characterized in that: the top of the cast-in-place pile hole (1) is embedded with a protective cylinder (2), the inner side of the protective cylinder (2) is sleeved with a water-retaining cylinder (21), the outer side of the protective cylinder (2) is uniformly connected with a reinforcing rod (22), a reinforcing filling layer (23) is filled between the outer side of the protective cylinder (2) and the cast-in-place pile hole (1), one side of the cast-in-place pile hole (1) is provided with a slurry pond (3), one side of the slurry pond (3) is connected with a low-pressure slurry pump (4) through a pipeline, a water outlet of the low-pressure slurry pump (4) is connected with a slurry input pipe (41), the bottom end of the slurry input pipe (41) is connected with a pipe head (42), the outer side of the pipe head (42) is sleeved with a buffer cover (43), the center of the inner cavity of the cast-in-place pile hole (1) is provided with a drill rod (5), and the bottom end and the top end of the drill rod (5) are respectively and movably connected with a drill bit (51) and a rotary union (52), the top of the rotary union (52) is connected with a slurry output pipe (6), one end of the slurry output pipe (6) is connected with a high-pressure slurry pump (7), a water outlet of the high-pressure slurry pump (7) is connected with a sedimentation tank (8) through a pipeline, and the sedimentation tank (8) is dug and arranged on one side of the cast-in-place pile hole (1).
2. The sand gravel geological filling pile pore-forming device is characterized in that: an orifice supporting frame (11) is arranged at the top of the cast-in-place pile hole (1), and the orifice supporting frame (11) covers the upper part of the pile casing (2).
3. The sand gravel geological filling pile pore-forming device is characterized in that: protect a section of thick bamboo (2) and protect and be formed with between water section of thick bamboo (21) and protect water cavity (211), just it passes through evenly distributed's connecting rod (212) and protects a section of thick bamboo (2) fixed connection to protect a water section of thick bamboo (21) outside.
4. The sand gravel geological filling pile pore-forming device is characterized in that: the reinforcing filling layer (23) is sealed and filled by clay, and the reinforcing filling layer (23) is tightly compacted outside the pile casing (2) and the reinforcing rod (22).
5. The sand gravel geological filling pile pore-forming device is characterized in that: mud pit (3) top is equipped with stirring support (31), install agitator motor (32) on stirring support (31), the output shaft end of agitator motor (32) is connected with puddler (33), just puddler (33) are located mud pit (3).
6. The sand gravel geological filling pile pore-forming device is characterized in that: the mud input pipe (41) penetrates through the inner side of the orifice support frame (11) and then extends to the inner side of the cast-in-place pile hole (1), and the low-pressure mud pump (4) and the high-pressure mud pump (7) are respectively installed on two sides of the top of the orifice support frame (11).
7. The sand gravel geological filling pile pore-forming device is characterized in that: the vertical section of the buffer cover (43) is trapezoidal, and the inner side of the buffer cover (43) is connected to the outer side of the tube head (42) through a support rod.
8. The sand gravel geological filling pile pore-forming device is characterized in that: the top of the pipe head (42) is provided with a counterweight ring (421), and the counterweight ring (421) is sleeved outside the slurry input pipe (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022936470.2U CN214273568U (en) | 2020-12-10 | 2020-12-10 | Sand gravel geology bored concrete pile pore-forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022936470.2U CN214273568U (en) | 2020-12-10 | 2020-12-10 | Sand gravel geology bored concrete pile pore-forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214273568U true CN214273568U (en) | 2021-09-24 |
Family
ID=77780514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022936470.2U Active CN214273568U (en) | 2020-12-10 | 2020-12-10 | Sand gravel geology bored concrete pile pore-forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214273568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247536A (en) * | 2022-09-21 | 2022-10-28 | 济南宝山石油设备有限公司 | Utilize slush pump to carry out foundation of ocean engineering construction and creep into equipment |
-
2020
- 2020-12-10 CN CN202022936470.2U patent/CN214273568U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247536A (en) * | 2022-09-21 | 2022-10-28 | 济南宝山石油设备有限公司 | Utilize slush pump to carry out foundation of ocean engineering construction and creep into equipment |
| CN115247536B (en) * | 2022-09-21 | 2022-12-20 | 济南宝山石油设备有限公司 | Utilize slush pump to carry out foundation of ocean engineering construction and creep into equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106284313B (en) | Long spire based on circulating mud retaining wall is squeezed into rock filling pile construction method | |
| CN206917624U (en) | A kind of mud circulating system for water Bridge bored pile construction | |
| CN108005085B (en) | Foundation pit supporting structure and construction method thereof | |
| CN111236216A (en) | Construction method of bridge drilled pile | |
| CN108005111A (en) | A kind of vertical shaft method of construction as underground three-dimensional garage | |
| CN214273568U (en) | Sand gravel geology bored concrete pile pore-forming device | |
| CN111456055A (en) | Foundation pit dewatering construction method | |
| CN110409420B (en) | Underground continuous wall with pit facing surface and precipitation function | |
| CN113668582B (en) | Grouting type double-wall pressure-bearing water-reducing pipe well device and construction method thereof | |
| CN112627212B (en) | Water-faced cofferdam inner tube well dewatering dry excavation construction method | |
| CN109914396A (en) | A kind of borehole filling pile cage of reinforcement tectonic sieving and production construction method | |
| CN212656251U (en) | Positive circulation slurry hole cleaning system for underwater pile foundation percussion drill construction | |
| CN112538860A (en) | Construction method of high-water-level complex stratum bottom-seal-free concrete lock catch steel pipe pile cofferdam | |
| CN210341957U (en) | Precipitation structure suitable for caisson | |
| CN110670613B (en) | Foundation pit elevator shaft water seepage prevention structure and construction method thereof | |
| CN116537236A (en) | Civil engineering foundation pit drainage structure and construction method thereof | |
| CN114250801A (en) | Pipe well and light well point combined dewatering construction method | |
| CN208023598U (en) | A kind of base pit dewatering pipe well | |
| JP2001123438A (en) | Construction method for preventing liquefaction in earthquake of soil within city or the like by injecting air-dissolved water or compressed air into ground, device used therefor, and construction method therefor | |
| CN219219076U (en) | Light well point dewatering well structure integrating pumping pipe well and well sealing section | |
| CN113217097B (en) | Deep open type comprehensive dewatering method and water pumping device for subsurface tunnel in water-rich composite stratum | |
| CN217651830U (en) | A precipitation tubular well for subway station foundation ditch | |
| CN114658017B (en) | Precipitation construction method for shield zone | |
| CN219261074U (en) | Pump dewatering structure is buried at foundation ditch tank bottom | |
| CN216664165U (en) | Spacing steel case is used in pile foundation construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |