CN114855800B - Automatic cleaning device for hole bottoms after pile foundation construction - Google Patents
Automatic cleaning device for hole bottoms after pile foundation construction Download PDFInfo
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- CN114855800B CN114855800B CN202210679159.5A CN202210679159A CN114855800B CN 114855800 B CN114855800 B CN 114855800B CN 202210679159 A CN202210679159 A CN 202210679159A CN 114855800 B CN114855800 B CN 114855800B
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- pipe
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- hole
- tail pipe
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- 238000004140 cleaning Methods 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims description 21
- 239000004575 stone Substances 0.000 claims description 17
- 230000035515 penetration Effects 0.000 claims 5
- 238000005192 partition Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion 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
Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of constructional engineering equipment, in particular to an automatic cleaning device for a hole bottom after pile foundation construction, which 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, 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 penetrating holes which are uniformly arranged at intervals, an openable or closable baffle plate is arranged in the penetrating hole, a fixing ring is connected in the annular groove in a sliding manner, an extrusion unit is arranged on the fixing ring, the air suction dredge body is provided with a pushing structure for driving the fixing ring to move, and the pushing mechanism comprises an air pump.
Description
Technical Field
The invention belongs to the technical field of constructional engineering equipment, and particularly relates to an automatic cleaning device for a hole bottom after pile foundation construction.
Background
Along with the continuous heightening of buildings and the rapid development of highway engineering, the bored pile has the advantages of high bearing capacity, low noise, small influence on adjacent buildings and the like, and becomes a preferred form of foundation of building and bridge engineering. The purpose of clearing the hole is to pump and replace the mud in the original drilling hole, reduce the indexes of the relative density, viscosity, sand content and the like of the mud, clear away the drilling slag, reduce the thickness of sediment at the bottom of the hole, and prevent the too thick sediment reserved at the bottom of the pile from reducing the bearing capacity of the pile. When the air suction dredge is adopted for cleaning holes, the big stone blocks are blocked in the air pipe, or when the dense mud blocks block the air outlet, the stone blocks or the mud are cleaned and then the holes are continuously cleaned, but the big stone blocks are difficult to clean after being blocked on the inner wall, and the large wind pressure is increased uniformly to easily cause the explosion of the rubber pipe to hurt people.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides an automatic cleaning device for the bottom of a hole after pile foundation construction, which solves the problem that the hole cleaning work is difficult to continue because the stone cannot be timely cleaned when the air suction dredge is used for cleaning Kong Zaoyu big stones in the prior art for clamping.
The technical scheme is that the automatic cleaning device for the bottom of the hole after pile foundation construction comprises an air suction dredge body, the air suction dredge body is provided with a suction dredge pipe, a tail pipe is arranged at the end part of the suction dredge pipe, an annular groove is formed 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 penetrating belt, the penetrating belt comprises penetrating holes uniformly arranged at a plurality of intervals, each penetrating hole is arranged in a central symmetry mode with respect to the circle center of the circle where the tail pipe is located, the penetrating belt is provided with a plurality of baffle plates which can be opened or closed and uniformly arranged along the height direction of the tail pipe, a fixed ring is connected in the annular groove in a sliding mode, an extrusion unit is arranged on the fixed ring, the extrusion unit is arranged in a plurality of the annular groove and corresponds to the penetrating holes one by one, the penetrating holes to form a structure of the extrusion unit, the tail pipe inner plate is divided into a stone block after penetrating through the penetrating holes, the penetrating belt is provided with the fixed pipe, the penetrating pipe comprises a extensible fixed pipe, the penetrating mechanism, the penetrating pipe is provided with a plurality of the base pipe and the extending mechanism, the air pump body, and the air pump is used for driving the suction dredge.
Preferably, the baffle includes last separation blade and the lower separation blade that sliding connection just mutually supported and used on the tail pipe inner panel, the tail pipe inner panel just is located the position of through-hole both sides limit all is provided with the fixed strip, the fixed strip is provided with the spout along its length direction, upward be provided with the slider that uses with the spout cooperation on 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, upward be provided with the draw-in groove that uses with first spring cooperation on separation blade and the lower separation blade, form upward separation blade and lower separation blade rely on the spring to shift out the structure of through-hole behind the extrusion unit seal through-hole.
Preferably, the one end that the spring was kept away from to the last separation blade is the arc structure, be provided with the arc groove that uses with last separation blade cooperation on the separation blade down, still be provided with on the separation blade and the logical groove of arc tank bottom intercommunication down, it has a plurality of and the interval even setting to lead to the groove.
Preferably, a sliding plate is arranged on one surface of the upper baffle plate and the lower baffle plate, which is close to the annular groove, and is fixedly connected with the upper baffle plate and the lower baffle plate, and the sliding plate is obliquely arranged.
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 far away from the base pipe is in a conical structure, and the separation baffle plate is formed after the extension pipe moves and passes through the through hole to be displaced to the edge position 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 fixed ring, which is close to the mud suction pipe, through bolts, and the hydraulic cavity is communicated with each hydraulic cylinder.
Preferably, the thrust mechanism comprises an inflatable air bag column located between the base pipe and the extension pipe, the air bag column is communicated with the air pump through a first air pipe, a pressure switch is arranged between the first air pipe and the air pump, the air bag column is multiple, the base pipe is provided with a plurality of telescopic rods connected with the extension pipe, the telescopic rods are uniformly arranged at intervals in sequence, and a structure is formed in which the extension pipe is pushed to the surface position of a stone after the air bag column is inflated. The air pump is communicated with a first air bag ring through a first air pipe, the first air bag ring is glued to one surface of the fixing ring, which is close to the mud suction pipe, the first air bag ring is communicated with an air bag bubble through an air pipe, the air bag bubble is fixed on the inner wall of the base pipe, the air bag bubble is communicated with each air bag column, and the inner diameter of the first air bag ring is equal to the inner diameter of the hydraulic cavity.
Preferably, the outside cover of gasbag post is equipped with the elastic net, elastic net one end is fixed on the extension pipe at the base pipe other end, forms the gasbag and contracts in the inside and relies on the elastic net realization telescopic link to drive the structure of extension pipe withdrawal of elastic net under the condition that does not aerify.
Preferably, the pushing structure further comprises an air bag, one end of the annular groove, which is far away from the mud suction pipe, is provided with a second spring, one end of the second spring, which is far away from the bottom of the annular groove, is connected with the fixing ring, the air bag used for pushing the fixing ring to move is arranged in the annular groove, an air seat communicated with each air bag is arranged in the annular groove, the air seat is communicated with the air pump through a second air pipe, a switch is arranged on the second air pipe, and after the switch is opened for a set time, the air bag pushes the fixing ring to sequentially move to each structure penetrating through the position along the height direction of the tail pipe.
The invention has the beneficial effects that the tail pipe with the inner diameter the same as that of the suction pipe is arranged at the end part of the suction pipe, the movable fixing ring is arranged in the tail pipe, the inflatable air bags and the second spring are arranged, the fixing ring is matched with the air pump to move along the height direction of the annular groove, the air seat with the annular structure is arranged, the air supply of each air bag is conveniently realized, the extrusion unit for crushing large stone blocks is arranged in the fixing ring, the hydraulic cylinder and the drill bit are driven by the hydraulic pump to crush the stone blocks, and the normal operation of hole cleaning is ensured;
the arrangement of the slide plates which are obliquely fixed on the upper baffle plate and the lower baffle plate is convenient for being matched with the extension pipe of the conical structure, the fixed strips and the sliding grooves in the fixed strips provide rails for the movement of the upper baffle plate and the lower baffle plate, the first springs are arranged, the upper baffle plate and the lower baffle plate can be automatically closed after being opened, the upper baffle plate is close to the arc structure at one end of the lower baffle plate, and the sealing performance of the connection position of the upper baffle plate and the lower baffle plate can be conveniently realized by matching with the arc grooves and the through grooves on the lower baffle plate;
the setting of gasbag bubble in first balloon ring and the base pipe is convenient for through the air pump for each gasbag post air feed realizes the removal of extension pipe, and the cooperation of gasbag post and telescopic link is used on the base pipe, and the removal of extension pipe of being convenient for, the setting of extension pipe tip toper structure is convenient for the extension pipe to open the baffle and pass the through-hole, and the setting of annular structure hydraulic pressure chamber is convenient for the hydraulic pump and is provided power for each pneumatic cylinder through the hydraulic pressure chamber.
Drawings
FIG. 1 is a block diagram of an automatic cleaning device for the bottom of a hole after pile foundation construction;
FIG. 2 is an enlarged view of a position A of a structure diagram of an automatic hole bottom cleaning device after pile foundation construction;
FIG. 3 is a cross-sectional view of the position of the air seat of the automatic hole bottom cleaning device after pile foundation construction;
FIG. 4 is a cross-sectional view of the location of a retainer ring of an automatic cleaning device for the bottom of a hole after pile foundation construction according to the present invention;
FIG. 5 is a block diagram of the position of a base pipe of the automatic hole bottom cleaning device after pile foundation construction;
FIG. 6 is a front view of a baffle of the automatic cleaning device for the bottom of a hole after pile foundation construction of the present invention;
FIG. 7 is a block diagram of the automatic cleaning device for the bottom of a hole after pile foundation construction in the operation of an extension pipe.
The mud sucking machine comprises a mud sucking machine body, a mud sucking pipe 2, a tail pipe 3, a ring groove 4, a tail pipe inner plate 5, a tail pipe outer plate 6, a penetrating belt 7, a penetrating hole 8, a baffle 9, a fixing ring 10, an air pump 11, a hydraulic pump 12, an upper baffle 13, a lower baffle 14, a fixing strip 15, a sliding groove 16, a sliding block 17, a groove 18, a clamping groove 19, a first spring 20, a circular groove 21, a through groove 22, a sliding plate 23, a base pipe 25, an extension pipe 26, a hydraulic cylinder 27, a drill bit 28, a hydraulic pipe 29, a hydraulic cavity 30, an air bag column 31, an expansion link 32, a first air bag ring 33, an air bag bubble 34, an elastic net 35, a second spring 36, an air bag 37 and an air seat 38.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Embodiment one: according to the description and the drawings, the automatic cleaning device for the bottom of a pile foundation post-construction hole comprises an air mud suction machine body 1, wherein the air mud suction machine body 1 is provided with a mud suction pipe 2, and the end part of the mud suction pipe 2 is connected with a tail pipe 3 in a clamping manner. The ring groove 4 is arranged in the tail pipe 3 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 structure of a tail pipe inner plate 5 and a tail pipe outer plate 6, the tail pipe inner plate 5 is of a door-shaped structure, and the tail pipe inner plate 5 and the tail pipe outer plate 6 are fixed through bolts. The liner inner plate 5 is provided with a penetrating strip 7, the penetrating strip 7 includes a plurality of penetrating holes 8 uniformly arranged at intervals, each penetrating hole 8 is arranged in a central symmetry manner with respect to the center of a circle where the liner 3 is located, and the penetrating strip 7 is provided with a plurality of penetrating holes and uniformly arranged at intervals along the height direction of the liner 3. The baffle 9 which can be opened or closed is arranged in the through hole 8, the fixed ring 10 is connected in the ring groove 4 in a sliding way, the extrusion unit is arranged in the fixed ring 10, the long groove used for placing the extrusion unit is arranged in the fixed ring 10, the extrusion units are arranged in a plurality of ways and correspond to the through holes 8 on the through belt 7 one by one, and a structure is formed that the output end of the extrusion unit penetrates through the through holes 8 and then breaks stone blocks. The extrusion unit comprises an extendable fixing tube, one end part of the fixing tube is fixed on the fixing ring 10 through screws, the fixing tube comprises a base tube 25 and an extension tube 26, a hydraulic cylinder 27 and a drill bit 28 are arranged in the extension tube 26, one end of the extension tube 26, which is far away from the base tube 25, is in a conical structure, and the separation baffle 9 is formed after the extension tube 26 moves and moves to the edge position of a stone block through the through hole 8. 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 surface of the fixed ring 10 close to the suction pipe 2 through bolts, the hydraulic cavity 30 is communicated with each hydraulic cylinder 27 through a hydraulic branch pipe, a round hole for the hydraulic branch pipe to pass through is formed in the fixed ring 10, and the hydraulic pump 12 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 fixed 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. An air bag 37 for pushing the fixing ring 10 to move is arranged in the annular groove 4, an air seat 38 communicated with each air bag 37 is glued in the annular groove 4, the air seat 38 and the air bag 37 belong to the prior art, the air seat 38 and the air pump 11 are communicated through a second air pipe, a switch is arranged on the second air pipe, and after the switch is opened for a set time, the air bag 37 pushes the fixing ring 10 to sequentially move to the positions of all penetrating belts 7 along the height direction of the tail pipe 3. The base pipe 25 is provided with a thrust mechanism for moving the extension pipe 26, the thrust mechanism comprises an inflatable airbag column 31 positioned between the base pipe 25 and the extension pipe 26, the base pipe 25 is provided with a base for connecting the airbag column 31, the base is fixed with the base pipe 25 through screws, the airbag column 31 is communicated with the air pump 11 through a first air pipe, a pressure switch is arranged between the first air pipe and the air pump 11, and the airbag column 31 is provided with a plurality of air bags. The telescopic rods 32 connected with the extension pipes 26 are fixed on the base pipes 25 through screws, the telescopic rods 32 and the air bag columns 31 belong to the prior art, the telescopic rods 32 are multiple, the telescopic rods 32 and the air bag columns 31 are uniformly arranged at intervals in sequence, and a structure is formed in which the air bag columns 31 are inflated and then the extension pipes 26 are pushed to the surface positions of stones. 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 adhered to one surface of the fixing ring 10 close to the mud suction pipe 2, the first air bag ring 33 is communicated with an air bag bubble 34 through an air pipe, the air bag bubble 34 is adhered to the inner wall of the base pipe 25, the air bag 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 extension pipe 26 at the base pipe 25 other end, forms the structure that gasbag 37 shrink in elasticity net 35 under the condition of not inflating and relies on elasticity net 35 to realize that telescopic link 32 drives extension pipe 26 withdrawal.
In an embodiment, according to the drawing, the baffle 9 includes an upper baffle 13 and a lower baffle 14 which are slidably connected to the liner inner plate 5 and are matched with each other, one end of the upper baffle 13 far away from the spring is in an arc structure, the lower baffle 14 is provided with an arc groove 21 matched with the upper baffle 13, the lower baffle 14 is also provided with a plurality of through grooves 22 communicated with the bottom of the arc groove 21, and the through grooves 22 are uniformly arranged at intervals. The tail pipe inner plate 5 and the positions that are located two sides of the through hole 8 are all fixed with the fixed strip 15 through screws, the fixed strip 15 is provided with the spout 16 along its length direction, be provided with the slider 17 that uses with the spout 16 cooperation on last separation blade 13 and the lower separation blade 14, be provided with the recess 18 that is used for fixed strip 15 to place on the tail pipe inner plate 5, the joint is connected with first spring 20 in the bottom of recess 18, be provided with the draw-in groove 19 that uses with first spring 20 cooperation on last separation blade 13 and the lower separation blade 14, form the structure that goes up separation blade 13 and lower separation blade 14 and relies on the spring to remove through hole 8 after the extrusion unit and seal through hole 8. The side of the upper baffle 13 and the lower baffle 14, which is close to the ring groove 4, is provided with a sliding plate 23, the sliding plate 23 is fixedly connected with the upper baffle 13 and the lower baffle 14 through screws, and the sliding plate 23 is obliquely arranged.
According to the invention, the tail pipe with the inner diameter identical to that of the mud suction pipe is arranged at the end part of the mud suction pipe, the movable fixing ring is arranged in the tail pipe, the inflatable air bags and the second spring are arranged, the fixing ring is matched with the air pump to move along the height direction of the annular groove, the air seat with the annular structure is arranged, so that air supply of each air bag is conveniently realized, the extrusion unit for crushing large stone blocks is arranged in the fixing ring, the hydraulic cylinder and the drill bit are driven by the hydraulic pump to crush the stone blocks, and normal hole cleaning work is ensured; the arrangement of the slide plates which are obliquely fixed on the upper baffle plate and the lower baffle plate is convenient for being matched with the extension pipe of the conical structure, the fixed strips and the sliding grooves in the fixed strips provide rails for the movement of the upper baffle plate and the lower baffle plate, the first springs are arranged, the upper baffle plate and the lower baffle plate can be automatically closed after being opened, the upper baffle plate is close to the arc structure at one end of the lower baffle plate, and the sealing performance of the connection position of the upper baffle plate and the lower baffle plate can be conveniently realized by matching with the arc grooves and the through grooves on the lower baffle plate; the setting of gasbag bubble in first balloon ring and the base pipe is convenient for through the air pump for each gasbag post air feed realizes the removal of extension pipe, and the cooperation of gasbag post and telescopic link is used on the base pipe, and the removal of extension pipe of being convenient for, the setting of extension pipe tip toper structure is convenient for the extension pipe to open the baffle and pass the through-hole, and the setting of annular structure hydraulic pressure chamber is convenient for the hydraulic pump and is provided power for each pneumatic cylinder through the hydraulic pressure chamber.
The present invention has been described in detail by way of specific embodiments and examples, but these should not be construed as limiting the invention. Many variations and modifications may be made by one skilled in the art without departing from the principles of the invention, which is also considered to be within the scope of the invention.
Claims (6)
1. The utility model provides an automatic cleaning device in hole bottom after pile foundation construction, includes air dredger body (1), its characterized in that, air dredger body (1) is provided with suction pipe (2), suction 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 of annular (4) with tail pipe (3) partition into tail pipe inner panel (5) and tail pipe planking (6), tail pipe inner panel (5) are provided with penetration strip (7), penetration strip (7) are including a plurality of intervals evenly set up through hole (8), each penetration hole (8) are central symmetry setting about the centre of a circle of tail pipe (3) place circle, penetration strip (7) have a plurality of and follow tail pipe (3) direction interval evenly set up, be provided with in penetration hole (8) can open or closed baffle (9), sliding connection has retainer plate (10) in (4), be provided with extrusion unit (10) and extrusion unit (8) are provided with on the extrusion unit, extrusion unit (8) and one-to-one and-to-one, extrusion unit (8) are provided with extrusion unit, and extrusion unit (8, and one-to be provided with extrusion unit, and extrusion unit and one and extrusion unit (8, the fixed pipe comprises a base pipe (25) and an extension pipe (26), a thrust mechanism for moving the extension pipe (26) is arranged on the base pipe (25), a pushing structure for driving the fixed ring (10) to move is arranged on the air suction dredge body (1), the pushing mechanism comprises an air pump (11), a hydraulic pump (12) for providing power for the extrusion unit is arranged on the air suction dredge body (1), one end of the fixed pipe 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 in a conical structure, after the extension pipe (26) moves, a separation baffle (9) is formed and penetrates through a through hole (8) to be displaced to the edge position of a stone block, 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 suction pipe (2) through bolts, the hydraulic cavity (30) is communicated with the pushing structures (27), the hydraulic cylinder (27) are further communicated with the hydraulic cylinder, the air suction pipe (4) is further communicated with the annular grooves (36) are arranged at one end of the first end (4) far away from the first end (4) of the first annular groove (36), an air bag (37) used for pushing the fixing 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 after the switch is opened for a set time, the air bag (37) pushes the fixing ring (10) to sequentially move to the positions of all penetrating belts (7) along the height direction of the tail pipe (3).
2. The automatic cleaning device for the bottom of a hole after pile foundation construction according to claim 1, wherein the baffle (9) comprises an upper baffle (13) and a lower baffle (14) which are connected to the tail pipe inner plate (5) in a sliding manner and are matched with each other, fixing strips (15) are arranged at positions of two sides 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) are arranged on the upper baffle (13) and the lower baffle (14), grooves (18) 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) are formed in the upper baffle (13) and the lower baffle (14), and the upper baffle (14) are moved out of the through hole (8) by means of the springs.
3. The automatic cleaning device for the bottom of a hole after pile foundation construction according to claim 2, wherein one end of the upper baffle (13) far away from the spring is of an arc-shaped structure, the lower baffle (14) is provided with an arc-shaped groove (21) matched with the upper baffle (13), the lower baffle (14) is also provided with a plurality of through grooves (22) communicated with the bottom of the arc-shaped groove (21), and the through grooves (22) are uniformly arranged at intervals.
4. The automatic cleaning device for the bottom of a hole after pile foundation construction according to claim 2, wherein a sliding plate (23) is arranged on one surface, close to the annular groove (4), of the upper baffle (13) and the lower baffle (14), the sliding plate (23) is fixedly connected with the upper baffle (13) and the lower baffle (14), and the sliding plate (23) is obliquely arranged.
5. The automatic cleaning device for the hole bottoms after pile foundation construction according to claim 1, wherein the thrust mechanism comprises an inflatable air bag column (31) located 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), the air bag column (31) is multiple, a telescopic rod (32) connected with the extension pipe (26) is arranged on the base pipe (25), the telescopic rod (32) is multiple, the telescopic rod (32) and the air bag column (31) are sequentially and evenly arranged at intervals, a structure is formed that the air bag column (31) pushes the extension pipe (26) to the surface position of a stone 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 adhered to one surface of a fixed ring (10) close to a suction pipe (2), the first air bag ring (33) is communicated with an air bag bubble (34), the air bag (34) is fixed on the inner wall of the base pipe (25), and the inner diameter of each air bag column (31) is equal to the inner diameter of the air bag column (30).
6. The automatic cleaning device for the bottom of a pile foundation constructed hole according to claim 5, wherein an elastic net (35) is sleeved outside the air bag column (31), one end of the elastic net (35) is fixed on the base pipe (25) while the other end is fixed on the extension pipe (26), and an air bag (37) is contracted inside the elastic net (35) under the condition of no inflation and is in a structure that the extension pipe (26) is driven to retract by the elastic net (35) through an expansion rod (32).
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 CN114855800A (en) | 2022-08-05 |
| CN114855800B true 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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| CN (1) | CN114855800B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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