CN114855800A - Automatic cleaning device of hole bottom after pile foundation construction - Google Patents
Automatic cleaning device of hole bottom after pile foundation construction Download PDFInfo
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- CN114855800A CN114855800A CN202210679159.5A CN202210679159A CN114855800A CN 114855800 A CN114855800 A CN 114855800A CN 202210679159 A CN202210679159 A CN 202210679159A CN 114855800 A CN114855800 A CN 114855800A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 29
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 239000004575 stone Substances 0.000 claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 19
- 230000035515 penetration Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 7
- 238000009435 building construction Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 10
- 210000003437 trachea Anatomy 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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Abstract
The invention relates to the technical field of constructional engineering equipment, in particular to an automatic hole bottom cleaning device after pile foundation construction, which comprises an air suction dredger body, wherein the air suction dredger body is provided with a suction pipe, the end part of the suction pipe is provided with a tail pipe, an annular groove is arranged in the tail pipe, the tail pipe is divided into a tail pipe inner plate and a tail pipe outer plate by the arrangement of the annular groove, the tail pipe inner plate is provided with a penetrating belt, the penetrating belt comprises a plurality of through holes uniformly arranged at intervals, baffles capable of being opened or closed are arranged in the through holes, a fixing ring is connected in the annular groove in a sliding manner, an extrusion unit is arranged on the fixing ring, a pushing structure for driving the fixing ring to move is arranged on the air suction dredger body, the pushing mechanism comprises an air pump, and the problem that when the air suction dredger is tightly clamped by large stones in the prior art is solved, the hole cleaning work is difficult to continue due to the fact that the stones cannot be timely cleaned, the invention has good application in the field of building construction.
Description
Technical Field
The invention belongs to the technical field of constructional engineering equipment, and particularly relates to an automatic hole bottom cleaning device after pile foundation construction.
Background
With the continuous increase of buildings and the rapid development of highway engineering, the cast-in-situ bored pile is a preferred form of a foundation of building and bridge engineering due to the advantages of large bearing capacity, low noise, small influence on adjacent buildings and the like. The purpose of cleaning the hole is to pump and replace the slurry in the original drilled hole, reduce the indexes of the slurry such as relative density, viscosity, sand content and the like, clean the drilling slag, reduce the sediment thickness at the bottom of the hole and prevent the bearing capacity of the pile from being reduced due to the over-thick sediment soil left at the bottom of the pile. When the air suction dredge is used for cleaning holes, large stones are clamped in the air pipe or thick mud blocks the air outlet, the holes are cleaned continuously after the stones or the mud are cleaned, but the large stones are clamped on the inner wall and are difficult to clean, and the rubber pipe is easy to burst to hurt people due to the increased air pressure.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides the automatic hole bottom cleaning device after pile foundation construction, which solves the problem that the hole cleaning work is difficult to continue due to the fact that the stone cannot be timely cleaned when the hole cleaning by adopting the air suction dredge is clamped by the large stone.
The technical scheme is that the automatic cleaning device for the hole bottom after pile foundation construction comprises an air suction dredge body, wherein the air suction dredge body is provided with a suction dredge pipe, the end part of the suction dredge pipe is provided with a tail pipe, an annular groove is arranged in the tail pipe along the height direction of the tail pipe, the length of the annular groove is slightly smaller than the height of the tail pipe, the tail pipe is divided into a structure of a tail pipe inner plate and a tail pipe outer plate by the arrangement of the annular groove, the tail pipe inner plate is provided with a through belt, the through belt comprises a plurality of through holes which are uniformly arranged at intervals, each through hole is arranged in a central symmetry manner relative to the circle center of the circle where the tail pipe is located, the through belt is provided with a plurality of through holes which are uniformly arranged along the height direction of the tail pipe, baffles which can be opened or closed are arranged in the through holes, a fixing ring is connected with an extrusion unit which is arranged on the fixing ring in a one-to-one correspondence manner, the structure that the broken stone behind the through hole was passed to formation extrusion unit output, the extrusion unit includes the fixed pipe of extensible, the fixed pipe includes parent tube and extension pipe, be provided with the thrust mechanism who is used for removing the extension pipe on the parent tube, be provided with the promotion structure that is used for driving the removal of retainer plate on the air suction dredge body, thrust mechanism includes the air pump, be provided with the hydraulic pump that is used for providing power for the extrusion unit on the air suction dredge body.
Preferably, the baffle includes sliding connection and the last separation blade and the lower separation blade that mutually support and use on the tail pipe inner panel, the tail pipe inner panel and the position that is located through hole both sides limit all are provided with the fixed strip, the fixed strip is provided with the spout along its length direction, be provided with the slider that uses with the spout cooperation on last separation blade and the lower separation blade, be provided with the recess that is used for the fixed strip to place on the tail pipe inner panel, recess bottom joint is connected with first spring, be provided with the draw-in groove that uses with first spring cooperation on last separation blade and the lower separation blade, form the separation blade and rely on the spring to shift out the structure of sealed through hole behind the through hole with lower separation blade.
Preferably, the one end that the spring was kept away from to the top flap is the arc structure, be provided with the arc wall that uses with the top flap cooperation on the lower flap, still be provided with the logical groove that communicates with the arc wall bottom on the lower flap, it has a plurality of and the interval evenly to set up to lead to the groove.
Preferably, the one side that top flap and lower separation blade are close to the annular is provided with the slide, slide and top flap and lower separation blade fixed connection, the slide slope sets up.
Preferably, one end of the fixed pipe is fixed on the fixed ring, a hydraulic cylinder and a drill bit are arranged in the extension pipe, one end of the extension pipe, which is far away from the base pipe, is of a conical structure, and the extension pipe is formed into a structure that the extension pipe moves to separate the baffle plate and passes through the through hole to move to the edge of the stone block. The hydraulic pump is communicated with a hydraulic cavity through a hydraulic pipe, the hydraulic cavity is fixed on one surface of the fixing ring close to the mud suction pipe through bolts, and the hydraulic cavity is communicated with the hydraulic cylinders.
Preferably, the thrust mechanism includes the inflatable gasbag post that is located between parent tube and the extension pipe, and gasbag post and air pump are through first trachea intercommunication, are provided with pressure switch between first trachea and the air pump, and the gasbag post has a plurality ofly, be provided with the telescopic link of being connected with the extension pipe on the parent tube, the telescopic link has a plurality ofly, telescopic link and gasbag post interval in proper order evenly set up, form the gasbag post and aerify the structure that the back promoted the extension pipe to stone surface position. The air pump has first gasbag ring through first trachea intercommunication, and first gasbag ring splices in the one side that the retainer plate is close to the mud suction pipe, and first gasbag ring has the gas pocket bubble through trachea intercommunication, and the gasbag bubble is fixed at the parent tube inner wall, and the gas pocket bubble is equal with hydraulic pressure chamber internal diameter with each gasbag post intercommunication, first gasbag intra-annular internal diameter.
Preferably, the outside of the air bag column is sleeved with an elastic net, one end of the elastic net is fixed to the base pipe, the other end of the elastic net is fixed to the extension pipe, and a structure that the air bag contracts inside the elastic net under the condition that the air bag is not inflated and the extension pipe is driven to retract by the aid of the elastic net is formed.
Preferably, the pushing structure still includes the gasbag, the one end that the suction dredge was kept away from to the annular is provided with the second spring, the one end that the annular tank bottom was kept away from to the second spring is connected with the retainer plate, be provided with the gasbag that is used for promoting the retainer plate and removes in the annular, be provided with in the annular with each the gas holder of gasbag intercommunication, the gas holder passes through second trachea intercommunication with the air pump, is provided with the switch on the second trachea, forms the switch and opens behind the settlement time gasbag promotion retainer plate and remove to respectively run through the structure of taking the position along tail pipe direction of height in proper order.
The invention has the advantages that the end part of the mud suction pipe is provided with the tail pipe with the inner diameter the same as that of the mud suction pipe, the tail pipe is internally provided with the movable fixed ring, the inflatable air bag and the second spring are arranged, the fixed ring is moved along the height direction of the ring groove by matching with the air pump, the air supply of each air bag is convenient to realize by arranging the air seat with the annular structure, the fixed ring is internally provided with the extrusion unit for crushing large stones, the hydraulic cylinder and the drill bit are driven by the hydraulic pump to crush the stones, and the normal operation of hole cleaning work is ensured;
the arrangement of the sliding plate which is obliquely fixed on the upper baffle and the lower baffle is convenient to be matched with the extension pipe with a conical structure for use, the arrangement of the fixing strip and the internal sliding groove thereof provides a track for the movement of the upper baffle and the lower baffle, the arrangement of the first spring is convenient for the automatic closing of the upper baffle and the lower baffle after being opened, the arrangement of the arc structure at one end of the upper baffle close to the lower baffle is matched with the arc groove and the through groove on the lower baffle, and the sealing performance of the connecting position of the upper baffle and the lower baffle is convenient to realize;
the setting of first gasbag ring and the interior gas pocket of parent tube is convenient for be each through the air pump the removal of extension pipe is realized to the gasbag post air feed, and the cooperation of gasbag post and telescopic link on the parent tube is used, the removal of the extension pipe of being convenient for, the setting of extension pipe tip toper structure, the extension pipe of being convenient for is opened the baffle and is passed the through hole, and the setting in annular structure hydraulic pressure chamber, the hydraulic pump of being convenient for provides power for each pneumatic cylinder through the hydraulic pressure chamber.
Drawings
FIG. 1 is a structural diagram of an automatic hole bottom cleaning device after pile foundation construction according to the present invention;
FIG. 2 is an enlarged view of the structure of the automatic cleaning device for the bottom of a hole after pile foundation construction in the position A;
FIG. 3 is a sectional view showing the position of an air seat of an automatic hole bottom cleaning device according to the present invention after pile foundation construction;
FIG. 4 is a cross-sectional view of the position of a retainer ring of the automatic hole bottom cleaning device after pile foundation construction according to the present invention;
FIG. 5 is a structural diagram of the base pipe position of the automatic hole bottom cleaning device after pile foundation construction;
FIG. 6 is a front view of a baffle plate of an automatic hole bottom cleaning device after pile foundation construction according to the present invention;
fig. 7 is a structural view of an extension pipe of an automatic hole bottom cleaning device after pile foundation construction in operation.
The device comprises a suction dredge body 1, a suction dredge 2, a tail pipe 3, a 4-ring groove, a 5-tail pipe inner plate, a 6-tail pipe outer plate, a 7 penetrating belt, 8 penetrating holes, 9 baffle plates, 10 fixing rings, 11 air pumps, 12 hydraulic pumps, 13 upper baffle plates, 14 lower baffle plates, 15 fixing strips, 16 sliding grooves, 17 sliding blocks, 18 grooves, 19 clamping grooves, 20 first springs, 21 arc-shaped grooves, 22 through grooves, 23 sliding plates, 24 fixing pipes, 25 base pipes, 26 extension pipes, 27 hydraulic cylinders, 28 drill bits, 29 hydraulic pipes, 30 hydraulic cavities, 31 air bag columns, 32 telescopic rods, 33 first air bag rings, 34 air bags, 35 elastic nets, 36 second springs, 37 air bags and 38 air seats.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings.
The first embodiment is as follows: according to the attached drawings of the specification, the automatic hole bottom cleaning device comprises an air suction dredge body 1, wherein a suction pipe 2 is arranged on the air suction dredge body 1, and a tail pipe 3 is connected to the end part of the suction pipe 2 in a clamping mode. The tail pipe 3 is internally provided with a ring groove 4 along the height direction, the length of the ring groove 4 is slightly smaller than the height of the tail pipe 3, the ring groove 4 is formed to divide the tail pipe 3 into a tail pipe inner plate 5 and a tail pipe outer plate 6, the tail pipe inner plate 5 is in a structure in a shape of a Chinese character 'men', and the tail pipe inner plate 5 and the tail pipe outer plate 6 are fixed through bolts. The tail pipe inner plate 5 is provided with a penetrating belt 7, the penetrating belt 7 comprises a plurality of through holes 8 which are uniformly arranged at intervals, each through hole 8 is arranged in central symmetry relative to the circle center of the circle where the tail pipe 3 is located, and the penetrating belts 7 are arranged at intervals uniformly in the height direction of the tail pipe 3. The through hole 8 is internally provided with a baffle 9 which can be opened or closed, the ring groove 4 is internally and slidably connected with a fixing ring 10, the fixing ring 10 is internally provided with an extrusion unit, the fixing ring 10 is internally provided with a long groove for placing the extrusion unit, the extrusion unit is provided with a plurality of through holes 8 which are arranged in the through belt 7 in a one-to-one correspondence manner, and a structure that the output end of the extrusion unit penetrates through the through hole 8 and then breaks stone blocks is formed. The extrusion unit comprises an extensible fixed pipe 24, one end of the fixed pipe 24 is fixed on the fixed ring 10 through screws, the fixed pipe 24 comprises a base pipe 25 and an extension pipe 26, a hydraulic cylinder 27 and a drill bit 28 are arranged in the extension pipe 26, one end, far away from the base pipe 25, of the extension pipe 26 is of a conical structure, and the extension pipe 26 is formed to move to separate the baffle plate 9 and pass through the through hole 8 to be displaced to the edge position of the stone block. The hydraulic pump 12 is communicated with a hydraulic cavity 30 through a hydraulic pipe 29, the hydraulic cavity 30 is of an annular structure, the hydraulic cavity 30 is fixed on one side, close to the mud suction pipe 2, of the fixing ring 10 through bolts, the hydraulic cavity 30 is communicated with the hydraulic cylinders 27 through hydraulic branch pipes, round holes for the hydraulic branch pipes to penetrate through are formed in the fixing ring 10, and the hydraulic pump 12 used for providing power for the extrusion unit is arranged on the air suction dredge body 1. The air suction dredge body 1 is provided with a pushing structure for driving the fixing ring 10 to move, and the pushing structure comprises an air pump 11. The pushing structure further comprises an air bag 37, one end, far away from the mud suction pipe 2, of the annular groove 4 is connected with a second spring 36 in a clamping mode, and one end, far away from the bottom of the annular groove 4, of the second spring 36 is connected with the fixing ring 10 in a clamping mode. Be provided with the gasbag 37 that is used for promoting retainer plate 10 to remove in the annular 4, it has the gas holder 38 with each gasbag 37 intercommunication to glue in the annular 4, and gas holder 38 is the loop configuration, and gas holder 38 and gasbag 37 belong to prior art, and gas holder 38 and air pump 11 are through the second trachea intercommunication, are provided with the switch on the second trachea, form the switch and open after the settlement time gasbag 37 promote retainer plate 10 and move to each structure that runs through the area 7 position along 3 direction of height of tail pipe in proper order. Be provided with the thrust mechanism who is used for removing extension 26 on the parent tube 25, thrust mechanism is including being located inflatable gasbag post 31 between parent tube 25 and the extension 26, is provided with the base that is used for connecting gasbag post 31 on the parent tube 25, and base and parent tube 25 fix with screw, gasbag post 31 and air pump 11 are provided with pressure switch through first trachea intercommunication, gasbag post 31 has a plurality ofly between first trachea and the air pump 11. The last fix with screw of parent tube 25 has the telescopic link 32 of being connected with extension pipe 26, and telescopic link 32 all belongs to prior art with gasbag post 31, and telescopic link 32 has a plurality ofly, and telescopic link 32 evenly sets up with gasbag post 31 interval in proper order, forms gasbag post 31 and aerifys the structure that back promoted extension pipe 26 to stone surface position. The air pump 11 is communicated with a first air bag ring 33 through a first air pipe, the first air bag ring 33 is connected to one surface, close to the mud suction pipe 2, of the fixing ring 10 in a gluing mode, the first air bag ring 33 is communicated with an air bag 37 bubble 34 through the air pipe, the air bag 37 bubble 34 is connected to the inner wall of the base pipe 25 in a gluing mode, the air bag 37 bubble 34 is communicated with each air bag column 31 through a base, and the inner diameter of the first air bag ring 33 is equal to the inner diameter of the hydraulic cavity 30. The outside cover of gasbag post 31 is equipped with elasticity net 35, and elasticity net 35 belongs to prior art, and elasticity net 35 one end is fixed on the parent tube 25 other end and is fixed on extension pipe 26, forms gasbag 37 and contracts under the uninflated condition inside elasticity net 35 and rely on elasticity net 35 to realize that telescopic link 32 drives the structure that extension pipe 26 retracted.
In an embodiment, as shown in the accompanying drawings, the baffle 9 includes an upper baffle 13 and a lower baffle 14 slidably connected to the tail pipe inner plate 5 and cooperating with each other, one end of the upper baffle 13 away from the spring is in an arc structure, an arc groove 21 cooperating with the upper baffle 13 is provided on the lower baffle 14, a through groove 22 communicating with the bottom of the arc groove 21 is further provided on the lower baffle 14, and the through groove 22 is provided in plurality and evenly spaced. The tail pipe inner plate 5 is fixed with fixing strips 15 at positions on two side edges of the through hole 8 through screws, the fixing strips 15 are provided with sliding grooves 16 along the length direction of the fixing strips, sliding blocks 17 matched with the sliding grooves 16 are arranged on the upper blocking piece 13 and the lower blocking piece 14, a groove 18 used for placing the fixing strips 15 is formed in the tail pipe inner plate 5, the bottom of the groove 18 is connected with a first spring 20 in a clamping mode, clamping grooves 19 matched with the first spring 20 for use are formed in the upper blocking piece 13 and the lower blocking piece 14, and the upper blocking piece 13 and the lower blocking piece 14 are formed in a structure that the through hole 8 is sealed after the through hole 8 is moved out through the extrusion unit through the springs. One surfaces of the upper baffle piece 13 and the lower baffle piece 14, which are close to the annular groove 4, are provided with sliding plates 23, the sliding plates 23 are fixedly connected with the upper baffle piece 13 and the lower baffle piece 14 through screws, and the sliding plates 23 are obliquely arranged.
According to the invention, the tail pipe with the same inner diameter as the mud suction pipe is arranged at the end part of the mud suction pipe, the movable fixing ring, the inflatable air bag and the second spring are arranged in the tail pipe, the fixing ring is moved along the height direction of the ring groove by matching with an air pump, the air supply of each air bag is convenient to realize by arranging the air seat with an annular structure, the extrusion unit for crushing large stones is arranged in the fixing ring, the hydraulic cylinder and the drill bit are driven by the hydraulic pump to crush the stones, and the normal operation of hole cleaning is ensured; the arrangement of the sliding plate which is obliquely fixed on the upper baffle and the lower baffle is convenient for being matched with the extension pipe with a conical structure, the arrangement of the fixing strip and the inner sliding groove thereof provides a track for the movement of the upper baffle and the lower baffle, the arrangement of the first spring is convenient for the automatic closing of the upper baffle and the lower baffle after being opened, the arrangement of the arc structure at one end of the upper baffle close to the lower baffle is matched with the arc groove and the through groove on the lower baffle, so that the sealing performance of the connecting position of the upper baffle and the lower baffle is convenient to realize; the setting of first gasbag ring and the interior gas pocket of parent tube is convenient for be each through the air pump the removal of extension pipe is realized to the gasbag post air feed, and the cooperation of gasbag post and telescopic link on the parent tube is used, the removal of the extension pipe of being convenient for, the setting of extension pipe tip toper structure, the extension pipe of being convenient for is opened the baffle and is passed the through hole, and the setting in annular structure hydraulic pressure chamber, the hydraulic pump of being convenient for provides power for each pneumatic cylinder through the hydraulic pressure chamber.
The present invention has been described in detail with reference to the specific embodiments and examples, but these are not intended to limit the present invention. Many variations and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention, which should also be considered as within the scope of the present invention.
Claims (8)
1. The utility model provides an automatic cleaning device of hole bottom after pile foundation construction, includes air suction dredge body (1), its characterized in that, air suction dredge body (1) is provided with suction dredge pipe (2), suction dredge pipe (2) tip is provided with tail pipe (3), be provided with annular (4) along its direction of height in tail pipe (3), annular (4) length slightly is less than tail pipe (3) height, forms the structure that sets up of annular (4) separates tail pipe (3) into tail pipe inner panel (5) and tail pipe planking (6), tail pipe inner panel (5) are provided with and run through area (7), run through area (7) include through hole (8) that a plurality of intervals evenly set up, each through hole (8) are central symmetry setting about the centre of a circle of tail pipe (3) place circle, run through area (7) have a plurality ofly and evenly set up along tail pipe (3) direction of height interval, a baffle (9) which can be opened or closed is arranged in the through hole (8), a fixing ring (10) is connected in the ring groove (4) in a sliding way, the fixed ring (10) is provided with a plurality of extrusion units which are arranged corresponding to the through holes (8) on the through belt (7) one by one to form a structure that the output end of the extrusion unit passes through the through holes (8) and then breaks stones, the extrusion unit comprises an extendable fixed pipe (24), the fixed pipe (24) comprising a base pipe (25) and an extension pipe (26), the base pipe (25) is provided with a thrust mechanism for moving the extension pipe (26), the air suction dredge body (1) is provided with a pushing structure for driving the fixed ring (10) to move, the pushing structure comprises an air pump (11), the air suction dredge is characterized in that a hydraulic pump (12) used for providing power for the extrusion unit is arranged on the air suction dredge body (1).
2. The automatic cleaning device for the hole bottom after pile foundation construction according to claim 1, wherein the baffle (9) comprises an upper baffle sheet (13) and a lower baffle sheet (14) which are slidably connected to the tail pipe inner plate (5) and are matched with each other for use, fixing strips (15) are arranged at the positions of the two side edges of the through hole (8) of the tail pipe inner plate (5), sliding grooves (16) are formed in the fixing strips (15) along the length direction of the fixing strips, sliding blocks (17) matched with the sliding grooves (16) for use are arranged on the upper baffle sheet (13) and the lower baffle sheet (14), grooves (18) used for placing the fixing strips (15) are formed in the tail pipe inner plate (5), first springs (20) are connected to the bottoms of the grooves (18) in a clamping manner, clamping grooves (19) matched with the first springs (20) for use are formed in the upper baffle sheet (13) and the lower baffle sheet (14), and a structure that the upper baffle plate (13) and the lower baffle plate (14) seal the through hole (8) after the extrusion unit is moved out of the through hole (8) by virtue of a spring is formed.
3. The automatic cleaning device for the hole bottom after pile foundation construction according to claim 2, wherein one end of the upper baffle sheet (13) far away from the spring is of an arc structure, an arc groove (21) matched with the upper baffle sheet (13) is arranged on the lower baffle sheet (14), a through groove (22) communicated with the bottom of the arc groove (21) is further arranged on the lower baffle sheet (14), and the through groove (22) is provided with a plurality of grooves and is uniformly arranged at intervals.
4. The automatic cleaning device for the hole bottom after the construction of the pile foundation is characterized in that sliding plates (23) are arranged on the surfaces, close to the ring groove (4), of the upper baffle plate (13) and the lower baffle plate (14), the sliding plates (23) are fixedly connected with the upper baffle plate (13) and the lower baffle plate (14), and the sliding plates (23) are obliquely arranged.
5. The automatic hole bottom cleaning device after pile foundation construction according to claim 1, characterized in that one end of the fixed pipe (24) is fixed on the fixed ring (10), a hydraulic cylinder (27) and a drill bit (28) are arranged in the extension pipe (26), one end of the extension pipe (26) far away from the base pipe (25) is of a conical structure, the extension pipe (26) is formed into a separating baffle plate (9) after moving and passes through the through hole (8) to be displaced to a stone edge position, the hydraulic pump (12) is communicated with a hydraulic cavity (30) through a hydraulic pipe (29), the hydraulic cavity (30) is fixed on one surface of the fixed ring (10) close to the mud suction pipe (2) through bolts, and the hydraulic cavity (30) is communicated with each hydraulic cylinder (27).
6. The automatic hole bottom cleaning device after pile foundation construction according to claim 1, wherein the thrust mechanism comprises an inflatable air bag column (31) positioned between a base pipe (25) and an extension pipe (26), the air bag column (31) is communicated with an air pump (11) through a first air pipe, a pressure switch is arranged between the first air pipe and the air pump (11), a plurality of air bag columns (31) are provided, an expansion link (32) connected with the extension pipe (26) is arranged on the base pipe (25), a plurality of expansion links (32) are provided, the expansion links (32) and the air bag column (31) are sequentially and uniformly arranged at intervals to form a structure that the air bag column (31) pushes the extension pipe (26) to the surface position of the stone block after being inflated, the air pump (11) is communicated with a first air bag ring (33) through the first air pipe, the first air bag ring (33) is glued to one surface of the fixing ring (10) close to the mud suction pipe (2), the first air bag ring (33) is communicated with air bags (37) and bubbles (34) through air pipes, the air bags (37) and the bubbles (34) are fixed on the inner wall of the base pipe (25), the air bags (37) and the bubbles (34) are communicated with the air bag columns (31), and the inner diameter of the first air bag ring (33) is equal to that of the hydraulic cavity (30).
7. The automatic hole bottom cleaning device after pile foundation construction according to claim 6, characterized in that the outside of the air bag column (31) is sleeved with an elastic net (35), one end of the elastic net (35) is fixed on the base pipe (25) and the other end is fixed on the extension pipe (26), so that the air bag (37) contracts inside the elastic net (35) under the non-inflation condition and the telescopic rod (32) drives the extension pipe (26) to retract by means of the elastic net (35).
8. The automatic cleaning device for the hole bottom after pile foundation construction according to claim 1, characterized in that the pushing structure further comprises an air bag (37), a second spring (36) is arranged at one end of the annular groove (4) far away from the mud suction pipe (2), one end of the second spring (36) far away from the bottom of the annular groove (4) is connected with the retainer ring (10), the air bag (37) used for pushing the retainer ring (10) to move is arranged in the annular groove (4), an air seat (38) communicated with each air bag (37) is arranged in the annular groove (4), the air seat (38) is communicated with the air pump (11) through a second air pipe, a switch is arranged on the second air pipe, and the air bag (37) pushes the retainer ring (10) to sequentially move to the position of each penetration belt (7) along the height direction of the tail pipe (3) after the switch is opened for a set time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210679159.5A CN114855800B (en) | 2022-06-16 | 2022-06-16 | Automatic cleaning device for hole bottoms after pile foundation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210679159.5A CN114855800B (en) | 2022-06-16 | 2022-06-16 | Automatic cleaning device for hole bottoms after pile foundation construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114855800A true CN114855800A (en) | 2022-08-05 |
| CN114855800B CN114855800B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210679159.5A Active CN114855800B (en) | 2022-06-16 | 2022-06-16 | Automatic cleaning device for hole bottoms after pile foundation construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117107764A (en) * | 2023-10-20 | 2023-11-24 | 江苏华东建设基础工程有限公司 | Pile foundation hole cleaning device |
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| CN104631439A (en) * | 2014-12-31 | 2015-05-20 | 上海市机械施工集团有限公司 | Pump suction reverse circulation pile foundation construction device and method |
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| CN117107764B (en) * | 2023-10-20 | 2024-01-02 | 江苏华东建设基础工程有限公司 | Pile foundation hole cleaning device |
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