CN115749654A - Hole cleaning equipment for cast-in-place pile and cast-in-place pile hole forming method using same - Google Patents
Hole cleaning equipment for cast-in-place pile and cast-in-place pile hole forming method using same Download PDFInfo
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- CN115749654A CN115749654A CN202211460266.5A CN202211460266A CN115749654A CN 115749654 A CN115749654 A CN 115749654A CN 202211460266 A CN202211460266 A CN 202211460266A CN 115749654 A CN115749654 A CN 115749654A
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Abstract
The utility model relates to a bored concrete pile is with clear hole equipment and use bored concrete pile pore-forming method of this equipment relates to the field of bored concrete pile construction, including once scarfing cinder subassembly, secondary scarfing cinder subassembly, be arranged in transferring the crane in bored concrete pile hole with once scarfing cinder subassembly and secondary scarfing cinder subassembly, the clear hole equipment still includes the air compressor machine, and the air compressor machine provides the air for once scarfing cinder subassembly and secondary scarfing cinder subassembly, once scarfing cinder subassembly includes the scarfing cinder bucket, the external diameter of scarfing cinder bucket is less than the diameter in bored concrete pile hole, a plurality of tuber pipes of fixedly connected with on the interior diapire of scarfing cinder bucket, the upper end of tuber pipe and the trachea threaded connection of air compressor machine, the diapire of scarfing cinder bucket is run through to the lower extreme of tuber pipe, crossbeam of the upper end fixedly connected with of scarfing cinder bucket, rings of fixedly connected with on the crossbeam, rings are located the axis of scarfing cinder bucket, and empty the bottom fixedly connected with of scarfing cinder bucket lateral wall is emptyed the ring. This application has the effect that the operating personnel of being convenient for carries out clear hole operation.
Description
Technical Field
The application relates to the field of cast-in-place pile construction, in particular to hole cleaning equipment for a cast-in-place pile and a cast-in-place pile hole forming method using the same.
Background
The full-casing full-slewing drilling machine is full-casing construction equipment capable of driving a casing to make three hundred and sixty degrees of rotation, is used for forming holes in cast-in-place piles, and is widely applied to cast-in-place pile construction in karst strata; after drilling is completed, sediment in the hole needs to be cleaned, the hole cleaning is a necessary process before concrete is poured into the hole, and when a full-casing full-slewing drilling machine is used for drilling in a stratum with abundant underground water, the sediment at the bottom of a casing is cleaned in a gas lift reverse circulation mode.
Because the operating platform of the full-casing full-slewing drilling machine is higher than the ground, and the operating platform of the full-casing full-slewing drilling machine is large in size, a circulating pipeline needs to be arranged for hole cleaning operation by adopting gas lifting reverse circulation in the casing on site, but equipment such as a mud pit is also arranged on the site, the site environment is complex, the circulating pipeline is difficult to arrange, and therefore the hole cleaning operation is inconvenient for operators.
Disclosure of Invention
In order to facilitate hole cleaning operation of operators, the application provides hole cleaning equipment for a cast-in-place pile and a cast-in-place pile hole forming method using the same.
In a first aspect, the application provides a hole cleaning device for a cast-in-place pile, which adopts the following technical scheme:
the utility model provides a bored concrete pile is with clear hole equipment, includes once scarfing cinder subassembly, secondary scarfing cinder subassembly, is used for transferring once scarfing cinder subassembly and secondary scarfing cinder subassembly to the crane in the bored concrete pile hole, and clear hole equipment still includes the air compressor machine, and the air compressor machine provides the air for once scarfing cinder subassembly and secondary scarfing cinder subassembly, once the scarfing cinder subassembly is including the scarfing cinder bucket, the external diameter of scarfing cinder bucket is less than the diameter in bored concrete pile hole, a plurality of tuber pipes of fixedly connected with on the interior diapire of scarfing cinder bucket, the upper end of tuber pipe and the trachea threaded connection of air compressor machine, the diapire of scarfing cinder bucket is run through to the lower extreme of tuber pipe, crossbeam of upper end fixedly connected with of scarfing cinder bucket, rings of fixedly connected with on the crossbeam, rings of having are located the axis of scarfing cinder bucket, and the bottom fixedly connected with of scarfing cinder bucket lateral wall empties the ring.
By adopting the technical scheme, when drilling is completed, the sleeve is positioned in the cast-in-place pile hole, the air pipe of the air compressor is connected to the upper end face of the air pipe, the rope is bound on the lifting ring, the air compressor is started, the operator controls the crane to lower the slag removal barrel into the cast-in-place pile hole, when the bottom surface of the slag removal barrel is contacted with the bottom wall of the cast-in-place pile hole, the slag removal barrel is lifted, a gap is formed between the bottom surface of the slag removal barrel and the bottom wall of the cast-in-place pile hole, air of the air compressor is injected to the bottom of the cast-in-place pile hole through the connecting pipe and the air pipe, the air is mixed with slurry at the bottom of the cast-in-place pile hole, the mixture of the air and the slurry carries the sediment to float upwards, and when the sediment floats upwards to the upper side of the slag removal barrel, the sediment sinks into the sediment barrel under the action of gravity; after the sediment bucket works for a period of time, the air compressor is closed, after the sediment bucket works for a period of time, sediment above the sediment bucket falls into the sediment bucket, then the sediment bucket is pulled out, a rope is tied on the dumping ring, the sediment in the sediment bucket is dumped by controlling the crane, the sediment bucket is cleaned by using water, the air compressor is started again, the sediment bucket is lowered to the bottom of the cast-in-place pile hole, the operation is repeated until the sediment cannot be dumped in the sediment bucket.
After primary hole cleaning is finished, a steel reinforcement cage is placed into a cast-in-place pile hole by using a crane, then the thickness of sediments at the bottom of the cast-in-place pile hole is measured by using a measuring tool, if the thickness of sediments does not meet the requirement, a secondary hole cleaning assembly is used for cleaning the sediments at the bottom of the cast-in-place pile hole, and in the working process of the secondary hole cleaning assembly, the thickness of sediments at the bottom of the cast-in-place pile hole is measured by using the measuring tool; when the sediment thickness at the bottom of the cast-in-place pile hole meets the design requirement, the hole cleaning is finished, and concrete mortar can be poured into the cast-in-place pile hole; the primary hole cleaning assembly and the secondary hole cleaning assembly used in the hole cleaning process are simple in structure, the condition that pipelines need to be arranged before hole cleaning is reduced, and operation personnel can conveniently clean holes.
Optionally, the secondary slag removing assembly comprises a slag removing pipe, the outer diameter of the slag removing pipe is smaller than the diameter of the cast-in-place pile hole, a fixing ring is fixedly connected to the top of the slag removing pipe, and the upper end of the slag removing pipe is connected with an air pipe of the air compressor.
By adopting the technical scheme, when secondary hole cleaning is needed, an operator connects the air pipe of the air compressor to the upper end of the slag cleaning pipe and ties the rope on the fixing ring, then controls the crane to lower the slag cleaning pipe to the bottom of the cast-in-place pile hole, when the bottom surface of the slag cleaning pipe is contacted with the bottom wall of the cast-in-place pile hole, the slag cleaning pipe is lifted upwards, so that a gap exists between the bottom surface of the slag cleaning pipe and the bottom wall of the cast-in-place pile hole, then the air compressor is started, the air is sprayed to the bottom of the cast-in-place pile hole through the slag cleaning pipe by the air compressor, so that sediments deposited at the bottom of the cast-in-place pile hole are floated, and the thickness of the sediments deposited at the bottom of the cast-in-place pile hole is reduced; and after the slag removal pipe works for a period of time, turning off the air compressor, measuring the thickness of the sediments at the bottom of the bored concrete pile hole by using a measuring tool, continuing to turn on the air compressor when the thickness of the sediments does not meet design requirements, repeating the operation by an operator until the thickness of the sediments at the bottom of the bored concrete pile hole meets the design requirements, turning off the air compressor, lifting the slag removal pipe out of the bored concrete pile hole, finishing hole removal and pouring concrete mortar into the bored concrete pile hole.
Optionally, the slag removing barrel is further provided with a pre-stirring assembly, the pre-stirring assembly comprises a fan wheel rotatably connected to the slag removing barrel, the axial direction of the fan wheel is arranged along the axial direction of the slag removing barrel, the fan wheel is located below the slag removing barrel, and a driving piece for driving the fan wheel to rotate is arranged in the slag removing barrel.
Through adopting above-mentioned technical scheme, at the in-process of putting the clear sediment bucket down, driving piece work drive fan impeller rotates, and fan impeller rotates and stirs the mud of clear sediment bucket below, and the mud of clear sediment bucket bottom flows, and the mud flows and wraps up in the sediment of bored concrete pile hole bottom and takes to the mud to make the sediment float in the mud, high-pressure gas lets in the sleeve pipe back, makes the higher upward floating of sediment to clear sediment bucket top.
Optionally, the driving piece is including rotating the axis of rotation of connection in the clear sediment bucket, the axial setting of clear sediment bucket is followed to the axial of axis of rotation, the axis of rotation runs through the diapire of clear sediment bucket, fan impeller fixed connection is at the lower extreme of axis of rotation, main rope sheave of fixedly connected with on the up end of axis of rotation, the axial of main rope sheave sets up along the axial of axis of rotation, it is connected with a plurality of vice rope sheaves to rotate on the lateral wall of clear sediment bucket, the axial of vice rope sheave and the axial mutually perpendicular of clear sediment bucket, the cooperation of sleeve pipe inner wall roll in vice rope sheave and the bored concrete pile hole, the winding has two stay cords on the main rope sheave, the one end that main rope sheave was kept away from to one of them stay cords runs through the lateral wall of clear sediment bucket and twines on one of them vice rope sheave, the one end that main rope sheave was kept away from also runs through the lateral wall of clear sediment bucket and twines on another vice rope sheave.
By adopting the technical scheme, in the process of lowering the slag removal barrel, the slag removal barrel moves to drive the auxiliary rope winding wheel and the sleeve to move relatively, so that the auxiliary rope winding wheel rotates, the pull rope is wound on the auxiliary rope winding wheel by the rotation of the auxiliary rope winding wheel, the pull rope moves to pull the main rope winding wheel to rotate, the main rope winding wheel rotates to drive the rotating shaft to rotate, and the rotating shaft rotates to drive the fan impeller to rotate.
Optionally, a centrifugal barrel is rotatably connected to the slag removal barrel, the upper end face of the centrifugal barrel is lower than the pull rope, a plurality of through holes penetrating through the side wall of the centrifugal barrel are formed in the side wall of the centrifugal barrel, the rotating shaft penetrates through the bottom wall of the centrifugal barrel and is fixedly connected with the centrifugal barrel, and a rotating assembly for driving the centrifugal barrel to rotate is further arranged in the slag removal barrel.
Through adopting above-mentioned technical scheme, at the in-process that the scarfing cinder bucket used, operating personnel controls the crane and will scarfing cinder bucket pull-up one section distance, the distance that the scarfing cinder bucket moved up is not enough to make the sediment in the scarfing cinder bucket float out the scarfing cinder bucket, the in-process that the scarfing cinder bucket moved up, the centrifugation bucket takes place to rotate under rotating assembly's effect, the mud in the scarfing cinder bucket is stirred in the rotation of centrifugation bucket, mud flows and makes the sediment of deposiing in the scarfing cinder bucket float, reduce sediment and deposit the scarfing cinder bucket space that occupies in the scarfing cinder bucket, thereby more sediments can be collected to the scarfing cinder bucket, the frequency of the in-process operating personnel clearance scarfing hole at one time has been reduced.
It is optional, the runner assembly includes the release link, set up threadedly on the lateral wall of release link, set up the cooperation groove that corresponds with the release link in the axis of rotation, set up threadedly on the cell wall in cooperation groove, release link threaded connection is in the cooperation groove, the release link sets up with the axis of rotation coaxial line, the release link slides simultaneously and pegs graft on main rope sheave and on the crossbeam, mounting panel fixedly connected with on the top surface of release link, the mounting panel is located the crossbeam top, it has two guide bars to slide on the crossbeam to peg graft, the axial of guide bar sets up along the axial of release link, fixedly connected with corresponds the sleeve that sets up with the guide bar on the lower surface of mounting panel, every guide bar all slides and pegs graft in the sleeve that corresponds, fixedly connected with a reset spring on the up end of guide bar, reset spring's upper end and telescopic interior diapire fixed connection, the lower terminal surface butt of guide bar and the up end of main rope sheave.
By adopting the technical scheme, in the process of lowering the slag removal barrel, the auxiliary winding wheel rotates to drive the main winding wheel and the rotating shaft to rotate, the rotating shaft rotates to drive the centrifugal barrel to rotate, and the rotating shaft is in threaded connection with the reset rod, so that the rotating shaft rotates to drive the reset rod to move, the guide rod is matched with the cross beam to guide the reset rod, the reset rod drives the mounting plate and the sleeve to move downwards, and the sleeve moves downwards to compress the reset spring; when the slag removing barrel moves upwards, the slag removing barrel moves to drive the auxiliary rope winding wheel to rotate, the rotating direction of the auxiliary rope winding wheel is opposite to the rotating direction of the auxiliary rope winding wheel when the slag removing barrel moves downwards, the auxiliary rope winding wheel rotates to discharge the pull rope, the reset spring recovers deformation and pushes the sleeve, the mounting plate and the reset rod to move upwards when the pull rope is discharged, the rotating shaft, the centrifugal barrel and the main rope winding wheel rotate when the reset rod moves upwards, and the pull rope is wound on the main rope winding wheel by the rotation of the main rope winding wheel.
Optionally, perpendicular fixedly connected with corresponds the branch that sets up with vice serving as a contrast rope wheel on the lateral wall of clear sediment bucket, the one end slip grafting that clear sediment bucket was kept away from to branch has the pole of holding, the slip direction perpendicular to clear sediment bucket of holding up the pole axial, the one end fixedly connected with that the pole of holding up was pegged graft in branch supports tight spring, the one end fixed connection that the pole of holding up was kept away from to tight spring is on branch, vice serving as a contrast rope wheel rotates and connects the one end of keeping away from clear sediment bucket at the pole of holding up, it is in compression state to support tight spring, sleeve inner wall butt in vice serving as a contrast rope wheel and the bored concrete pile hole, and the frictional force that vice serving as a contrast rope wheel produced when rolling on the sleeve is greater than the elasticity that produces when holding up tight spring and resumeing deformation.
Through adopting above-mentioned technical scheme, at the in-process that the scarfing cinder bucket removed, support tight spring and make and support tight pole and slide in branch, make vice rope sheave keep with the contact of sheathed tube inside wall to make vice rope sheave keep rotating.
Optionally, an insertion groove is formed in the end face, away from the slag removing barrel, of the supporting rod, the length direction of the insertion groove is perpendicular to the axial direction of the slag removing barrel, the abutting rod is slidably inserted into the insertion groove, and one end, away from the abutting rod, of the abutting spring is fixedly connected to the groove bottom wall of the insertion groove.
Through adopting above-mentioned technical scheme, support tight pole and slide in the inserting groove, make and support tight pole and branch sliding fit.
In a second aspect, the present application provides a method for forming a hole in a cast-in-place pile, which adopts the following technical scheme:
a bored concrete pile pore-forming method adopts the pore-cleaning equipment to carry out bored concrete pile pore-forming construction, and comprises the following steps:
s1, preparing before construction, leveling a field in a construction range, hardening the field near a cast-in-place pile, and arranging a drainage ditch, a collector well and the like near the cast-in-place pile;
s2, carrying out on-site measurement and setting-out, measuring and setting the center of the cast-in-place pile, then digging foundation pits around the cast-in-place pile, and burying a road substrate in the foundation pits;
s3, installing a drilling machine, installing a sleeve after the drilling machine is in place, and keeping the first section of sleeve vertical;
s4, enabling the sleeve to gradually drill underground when the drilling machine works, gradually increasing the sleeve in the working process of the drilling machine, observing various parameters of the drilling machine in the working process of the drilling machine, and taking soil by using a grab bucket when the sleeve drills three meters underground;
s5, after the sleeve is lowered below the rock surface, the cross impact hammer and the grab bucket are used for taking out rock slag, after the sleeve is drilled to the designed elevation of the hole bottom, the grab bucket is used for cleaning the bottom of the bored concrete pile hole, and then relevant people are informed to check and accept;
s6, after the final hole is checked and accepted, slag is fished in the cast-in-place pile hole by using a slag fishing hopper, sediment still exists at the bottom of the cast-in-place pile hole after the slag is fished, and the slag is removed from the cast-in-place pile hole by using one-time slag removal construction;
s7, after primary slag removal is finished, operating a crane to hoist the reinforcement cage and placing the reinforcement cage into the hole of the cast-in-place pile;
s8, placing a pouring guide pipe, wherein a gap exists between the lower end face of the guide pipe and the bottom wall of the pouring pile hole, and after the guide pipe is installed, a guide pipe frame for stabilizing the guide pipe is erected at the opening of the sleeve pipe;
s9, after the guide pipe is installed, the concrete tank truck arrives at the site, the sediment thickness at the bottom of the cast-in-place pile hole is measured, the cast-in-place pile hole can be cast if the sediment thickness meets the requirement, and secondary hole cleaning is needed if the sediment thickness does not meet the requirement;
s10, removing slag from the cast-in-place pile hole by using the secondary slag removing assembly, measuring the thickness of the sediment at the bottom of the cast-in-place pile hole after the secondary slag removing assembly works for a period of time, lifting the slag removing pipe out after the thickness of the sediment meets the design requirement, and pouring concrete into the cast-in-place pile hole at the moment.
Through adopting above-mentioned technical scheme, reduced the condition that need lay circulating line at the pore-forming in-process, improved the clear convenience in hole of operating personnel in the pore-forming construction.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the slag cleaning barrel, the lifting ring, the cross beam, the air pipe, the dumping ring, the crane, the air compressor and the secondary slag cleaning assembly, the condition that pipelines need to be arranged before hole cleaning is reduced, and hole cleaning operation is convenient for operators;
2. the sediment floats in the slurry by arranging the impeller, the rotating shaft, the main rope winding wheel, the auxiliary rope winding wheel and the pull rope, and the sediment can better float to the upper part of the sediment removal barrel after high-pressure gas is introduced into the sleeve;
3. through setting up centrifugal barrel, guide bar, release link, mounting panel, sleeve and reset spring, reduce sediment and deposit the scarfing cinder bucket space that occupies in the scarfing cinder bucket to more sediment can be collected to the scarfing cinder bucket, the frequency of the in-process operating personnel clearance scarfing cinder bucket in a clear hole has been reduced.
Drawings
Fig. 1 is a schematic view of a hole cleaning device applied to a bored pile hole according to embodiment 1 of the present application.
FIG. 2 is a sectional view showing the overall structure of the primary slag removing assembly in example 1 of the present application.
FIG. 3 is a sectional view showing the connection relationship between the air duct and the slag removing barrel in embodiment 1 of the present application.
FIG. 4 is a sectional view showing the overall structure of the secondary slag removal assembly in example 1 of the present application.
FIG. 5 is a schematic view showing the overall structure of the primary slag removing assembly in embodiment 2 of the present application.
FIG. 6 is a sectional view showing the whole structure of the primary slag removing assembly in example 2 of the present application.
Fig. 7 is a sectional view showing a partial structure of a driving member in embodiment 2 of the present application.
Fig. 8 is a sectional view showing the entire structure of a rotating unit according to embodiment 2 of the present application.
Description of reference numerals: 1. a sleeve; 2. an operation table; 3. a primary slag removal assembly; 31. a slag removal barrel; 32. an air duct; 33. a cross beam; 34. lifting a lifting ring; 35. a dumping ring; 4. a secondary slag removal assembly; 41. a slag removal pipe; 42. a connector; 43. a fixing ring; 5. an air compressor; 6. a reinforcement cage; 7. a pre-agitation assembly; 71. a rotating shaft; 72. a fan wheel; 73. a drive member; 731. a main rope winding wheel; 7311. a mating groove; 732. pulling a rope; 733. a strut; 7331. inserting grooves; 734. the spring is tightly propped; 735. a tightening rod; 736. an auxiliary wrap sheave; 8. a centrifuge bucket; 9. a rotating assembly; 91. a reset lever; 92. a guide bar; 93. mounting a plate; 94. a sleeve; 95. a return spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses bored concrete pile is with clear hole equipment.
Example 1
Referring to fig. 1, fig. 2 and fig. 3, a sleeve 1 is inserted into a cast-in-place pile hole, the sleeve 1 and the cast-in-place pile hole are coaxially arranged, an operation table 2 of a full-sleeve 1 full-slewing drilling machine is placed on the ground, the operation table 2 is positioned above the cast-in-place pile hole, hole cleaning equipment comprises a primary slag cleaning assembly 3, and the primary slag cleaning assembly 3 is used for cleaning sediments in the hole for the first time when drilling is completed; referring to fig. 4, clear hole equipment still includes secondary scarfing cinder subassembly 4, carry out the clearance back for the first time to downthehole sediment, operating personnel puts steel reinforcement cage 6 to sleeve pipe 1 through the instrument in, then use the instrument to measure the sediment thickness of sleeve pipe 1 bottom, if sediment thickness exceeds the designing requirement, use secondary scarfing cinder subassembly 4 to clear up the sediment of sleeve pipe 1 bottom once more, secondary scarfing cinder subassembly 4 makes the sediment of sleeve pipe 1 bottom float once more, operating personnel uses the sediment thickness of measuring rope measurement sleeve 94 bottom this moment, when sediment thickness reaches standard, pour into concrete slurry in the hole immediately.
Referring to fig. 2 and 3, the primary slag removing assembly 3 includes a slag removing barrel 31, the outer diameter of the slag removing barrel 31 is smaller than the inner diameter of the sleeve 1, two metal air pipes 32 are arranged in the slag removing barrel 31, the inner diameters of the two air pipes 32 are different, the axial direction of the air pipes 32 is arranged along the axial direction of the slag removing barrel 31, the lower ends of the air pipes 32 are fixedly connected to the inner bottom wall of the slag removing barrel 31, the inner bottom wall of the slag removing barrel 31 is further provided with through holes communicated with the air pipes 32, and the top of the air pipes 32 is provided with threads; the air compressor 5 is placed on the ground, the end part of the air pipe of the air compressor 5 is provided with a thread corresponding to the air pipe 32, and the air pipe of the air compressor 5 is in threaded connection with one of the air pipes 32.
Be equipped with a crossbeam 33 in the sediment removal bucket 31, the radial setting of sediment removal bucket 31 is followed to the length direction of crossbeam 33, and the both ends of crossbeam 33 all with the inside wall fixed connection of sediment removal bucket 31, crossbeam 33 are located the upper portion of sediment removal bucket 31, and crossbeam 33 is located between two tuber pipes 32. The upper surface of the cross beam 33 is fixedly connected with a lifting ring 34, the lifting ring 34 is positioned in the middle of the cross beam 33, the outer side wall of the slag cleaning barrel 31 is also fixedly connected with a dumping ring 35, and the dumping ring 35 is positioned at the bottom of the slag cleaning barrel 31.
When drilling is completed, an operator firstly screws the end part of the air pipe of the air compressor 5 to the upper end of one of the air pipes 32, so that the air pipe of the air compressor 5 is communicated with the air pipe 32, the air compressor 5 is started, the air is conveyed to the air pipe 32 through the air pipe 5, the air is sprayed to the lower part of the slag removing barrel 31 through the lower end of the air pipe 32, then the operator binds a rope on the lifting ring 34, the slag removing barrel 31 is placed into the sleeve 1 through the crane until the bottom wall of the slag removing barrel 31 is contacted with the bottom wall of the cast-in-place pile hole, the crane is controlled, the slag removing barrel 31 is moved upwards by a certain distance, and a gap exists between the bottom wall of the slag removing barrel 31 and the bottom wall of the cast-in-place pile hole.
The position of the slag cleaning barrel 31 is fixed, air is sprayed to the lower part of the slag cleaning barrel 31 through the air pipe 32, high-pressure gas is sprayed and then mixed with slurry in the sleeve 1, meanwhile, the high-pressure gas is dispersed to form a plurality of bubbles, the bubbles drive the slurry to move upwards under the action of buoyancy, and the mixture of the bubbles and the slurry drives sediment to float upwards in a space defined by the outer wall of the slag cleaning barrel 31 and the sleeve 94 as the mass of the mixture formed by the bubbles and the slurry is smaller than that of the slurry; the mud which is not mixed with the bubbles settles downwards, so that the pressure intensity near the bottom of the slag cleaning barrel 31 is lower than the pressure intensity of other parts in the casing 1, and the settled mud flows to the position near the bottom of the slag cleaning barrel 31 under the action of pressure intensity difference and then is mixed with the ejected air, thereby continuously forming the mixture of the bubbles and the mud.
Along with the continuous rise of the height of the bubbles, the pressure outside the bubbles is gradually reduced, the volume of the bubbles is gradually increased, after the mixture of the bubbles and the slurry rises to a certain height, the pressure inside the bubbles is greater than the pressure outside the bubbles, the bubbles are broken, the sediments carried by the floated slurry are settled into a sediment removal barrel 31 under the action of self gravity, and part of sediments fall to the bottom of a filling pile hole under the action of gravity; after the slag removing barrel 31 is used for a period of time, the air compressor 5 is turned off, the period of time is waited, sediment above the slag removing barrel 31 is settled in the slag removing barrel 31, then the crane is operated, the slag removing barrel 31 is taken out, a rope is taken and tied on the dumping ring 35, the rope is fixed on the crane, and finally the crane is operated, the slag removing barrel 31 is inclined, and therefore the sediment in the slag removing barrel 31 is dumped into the mud pit.
After the sediment in the sediment removal barrel 31 is dumped, the sediment removal barrel 31 is cleaned by clear water, then a rope bound on the dumping ring 35 is untied, and finally the sediment removal barrel 31 is placed in the sleeve 1; the operator repeats the above operation until the sediment is not poured out of the sediment removal tank 31. After the hole cleaning of the cast-in-place pile hole is completed at one time, the crane is controlled to place the reinforcement cage 6 into the cast-in-place pile hole, the reinforcement cage 6 is placed into the cast-in-place pile hole, a guide pipe for pouring concrete is placed into the reinforcement cage 6, a gap exists between the lower end face of the guide pipe and the hole bottom wall of the cast-in-place pile hole, and then a guide pipe frame for fixing the guide pipe is installed on the ground.
Measuring the thickness of sediment at the bottom of the cast-in-place pile hole by using a measuring tool after the jacket is installed, and finishing cleaning the cast-in-place pile hole if the thickness of the sediment meets the design requirement, wherein at the moment, an operator can pour concrete mortar into the cast-in-place pile hole through a guide pipe; and if the thickness of the sediments does not meet the design requirement, the sediments at the bottom of the cast-in-place pile hole need to be cleaned by the secondary slag cleaning component 4.
Referring to fig. 4, the secondary slag removing assembly 4 includes a slag removing pipe 41, the outer diameter of the slag removing pipe 41 is smaller than the inner diameter of the reinforcement cage 6, the top of the slag removing pipe 41 is fixedly connected with a connector 42, the connector 42 is matched with the end of the air pipe of the air compressor 5, and the top of the slag removing pipe 41 is also fixedly connected with a fixing ring 43; when secondary slag removal is needed, the rope is taken, one end of the rope is bound on the fixing ring 43, then the end part of the air pipe of the air compressor 5 is connected onto the connecting head 42, then the crane is operated to enable the lower portion of the slag removal pipe 41 to be in the sleeve 1, and when the slag removal pipe 41 is in contact with the hole bottom wall of the cast-in-place pile hole, the slag removal pipe 41 is lifted upwards, so that a gap exists between the lower end face of the slag removal pipe 41 and the hole bottom wall of the cast-in-place pile hole.
After the position of the slag removing pipe 41 is fixed, the air compressor 5 is started, the air compressor 5 conveys air to the air pipe and the slag removing pipe 41, the air is sprayed to the bottom of the cast-in-place pile hole along the slag removing pipe 41, so that a mixture of air bubbles and slurry is formed at the bottom of the cast-in-place pile, the mixture of the air bubbles and the slurry carries sediment to float upwards, and the sediment thickness settled at the bottom of the cast-in-place pile hole is reduced; after the slag removing pipe 41 works for a period of time, the air compressor 5 is turned off, and the operator measures the thickness of the sediment at the bottom of the bored concrete pile hole by using the measuring rope.
If the thickness of the sediment at the bottom of the cast-in-place pile hole does not meet the requirement, starting the air compressor 5, continuously cleaning the sediment in the cast-in-place pile hole, and in the process, controlling the crane to enable the sediment removal pipe 41 to move up and down, so that the sediment in the cast-in-place pile hole can be floated up better; if the sediment thickness at the bottom of the cast-in-place pile hole meets the requirement, the sediment removal pipe 41 is lifted out of the sleeve 1, then concrete mortar is poured into the cast-in-place pile hole through the guide pipe, and because the mass of the concrete mortar is larger than that of a mixture formed by the air bubbles, the slurry and the sediment, the concrete mortar can gradually push the slurry and the sediment to move upwards until the cast-in-place pile hole is filled with the concrete mortar, and the mixture of the slurry and the sediment overflows into the slurry tank. The primary slag removal component 3 and the secondary slag removal component 4 are simple in structure, the condition that a circulating pipeline needs to be arranged when a cast-in-place pile hole is cleaned is reduced, and the hole cleaning operation is convenient for operators.
The implementation principle of the embodiment 1 of the application is as follows: after drilling is finished, firstly, an operator ties a rope on the lifting ring 34, connects the branch pipe of the air compressor 5 with one of the air pipes 32, starts the air compressor 5, operates a crane to lower the slag removal barrel 31 into the casing 1, and adjusts the position of the slag removal barrel 31; after the air compressor 5 works for a period of time, the air compressor 5 is closed, the slag removing barrel 31 is made to stand for a period of time, then the crane is operated, the slag removing barrel 31 is taken out, sediment in the slag removing barrel 31 is poured out, the slag removing barrel 31 is cleaned, after the slag removing barrel 31 is cleaned, the slag removing barrel 31 is placed in the casing 1 again, the operation is repeated for multiple times until no sediment is left in the slag removing barrel 31, at the moment, the air compressor 5 is closed, and the slag removing barrel 31 is pulled out of the casing 1.
After primary hole cleaning is finished, a crane is used for lowering the reinforcement cage 6, a guide pipe and a jacket are installed, and then a measuring rope is used for measuring the thickness of sediments at the bottom of a bored concrete pile hole; if the sediment thickness of bored concrete pile hole bottom does not satisfy the designing requirement, be connected air compressor 5 tracheal tip and connector 42 to with the rope ligature on solid fixed ring 43, then transfer slag removal pipe 41 to bored concrete pile hole bottom, start air compressor 5.
After the air compressor 5 works for a period of time, the air compressor 5 is closed, the thickness of the sediments at the bottom of the cast-in-place pile hole is measured by using the measuring rope, if the thickness of the sediments does not meet the design requirement, the air compressor 5 is started, and the sediments at the bottom of the cast-in-place pile hole are continuously cleaned; if the thickness of the sediment meets the design requirement, the sediment removal pipe 41 is pulled out of the sleeve 1 by operating the crane, and concrete mortar is poured into the bored concrete pile hole through the guide pipe.
Example 2
Referring to fig. 5 and 6, the present embodiment is different from embodiment 1 in that two lifting rings 34 are fixed on a cross beam 33, a pre-stirring assembly 7 is arranged in a slag removing barrel 31, the pre-stirring assembly 7 includes a rotating shaft 71 rotatably connected in the slag removing barrel 31, the rotating shaft 71 and the slag removing barrel 31 are coaxially arranged, and the rotating shaft 71 has its own axis; the upper end surface of the rotating shaft 71 is lower than the upper surface of the slag removing barrel 31, the lower end of the rotating shaft 71 penetrates through the bottom wall of the slag removing barrel 31 and is positioned outside the slag removing barrel 31, the lower end of the rotating shaft 71 is fixedly connected with a fan impeller 72, and the fan impeller 72 and the rotating shaft 71 are coaxially arranged.
Referring to fig. 6 and 7, a driving member 73 for driving the rotating shaft 71 to rotate is further disposed at the slag removal barrel 31, the driving member 73 includes a main rope winding wheel 731 fixedly connected to an upper end surface of the rotating shaft 71, the main rope winding wheel 731 is coaxially disposed with the rotating shaft 71, and an upper end surface of the main rope winding wheel 731 is lower than an upper surface of the slag removal barrel 31; two pull ropes 732 are wound around the main rope winding wheel 731; two supporting rods 733 are fixedly connected to the outer side wall of the slag removing barrel 31, the axis of the supporting rods 733 is perpendicular to the axis of the slag removing barrel 31, and the two supporting rods 733 are evenly distributed along the circumferential direction of the slag removing barrel 31.
An insertion groove 7331 is formed in the end face, away from the slag cleaning barrel 31, of the supporting rod 733, and the length direction of the insertion groove 7331 is arranged along the axial direction of the supporting rod 733; a resisting spring 734 is fixedly connected to the bottom wall of the insertion groove 7331, a resisting rod 735 is fixedly connected to one end of the resisting spring 734 far away from the slag cleaning barrel 31, the resisting rod 735 is slidably inserted into the insertion groove 7331, and the side wall of the resisting rod 735 contacts with the wall of the insertion groove 7331.
One end of the abutting rod 735, which is far away from the slag cleaning barrel 31, is provided with an auxiliary rope winding wheel 736, and the axis of the auxiliary rope winding wheel 736 is vertical to the axis of the slag cleaning barrel 31 and the axis of the abutting rod 735; one of the pull ropes 732 penetrates through the side wall of the slag cleaning barrel 31 and is arranged in one of the resisting springs 734, the pull rope 732 also penetrates through the corresponding support rod 733, one end of the pull rope 732, which is far away from the main rope winding wheel 731, is wound on the corresponding auxiliary rope winding wheel 736, the other pull rope 732 also penetrates through the side wall of the slag cleaning barrel 31 and is arranged in the other resisting spring 734, the pull rope 732 is also arranged in the corresponding support rod 733, and one end of the pull rope 732, which is far away from the main rope winding wheel 731, is also wound on the corresponding auxiliary rope winding wheel 736.
When the hole cleaning of the cast-in-place pile hole needs to be carried out for the first time, a rope is bound on the lifting ring 34, the crane is operated to suspend the slag cleaning barrel 31 above the sleeve 1, then the pressing rod 735 is pressed to move into the supporting rod 733, the pressing rod 735 moves to drive the auxiliary rope winding wheel 736 to move towards the direction close to the slag cleaning barrel 31, and the pressing rod 735 moves and compresses the pressing spring 734; when the distance between the ends of the two sub-winding sheaves 736 away from each other is smaller than the inner diameter of the casing 1, the operator keeps the distance between the two sub-winding sheaves 736 constant and then operates the crane to lower the slag removing bucket 31 into the casing 1.
When the two secondary winding rope wheels 736 are positioned in the sleeve 1, the two secondary winding rope wheels 736 are loosened, at this time, the driving spring recovers deformation and pushes the splicing rod and the secondary winding rope wheels 736 to move towards the direction far away from the slag cleaning barrel 31 until the secondary winding rope wheels 736 are abutted against the inner side wall of the sleeve 1, and at this time, the abutting spring 734 is still in a compressed state; the biasing spring 734 keeps the sub-winding sheave 736 in contact with the inner wall of the casing 1, and a force generated when the biasing spring 734 restores its shape is smaller than a frictional force generated when the sub-winding sheave 736 is in contact with the inner wall of the casing 1.
After the slag removing barrel 31 is placed in the sleeve 1, the crane is operated to lower the slag removing barrel 31, in the process of lowering the slag removing barrel 31, the slag removing barrel 31 moves downwards to drive the supporting rod 733 and the abutting rod 735 to move downwards, the abutting rod 735 moves and the auxiliary rope winding wheel 736 rotates, the auxiliary rope winding wheel 736 rotates to pull the pull rope 732, the pull rope 732 is wound on the auxiliary rope winding wheel 736, and the pull rope 732 is wound on the auxiliary rope winding wheel 736 and also pulls the main rope winding wheel 731 to rotate; the main rope winding wheel 731 rotates to drive the rotating shaft 71 and the fan impeller 72 to rotate, the fan impeller 72 stirs slurry below the slag cleaning barrel 31, sediment settled at the bottom of the sleeve 1 is mixed with the slurry, and after high-pressure gas is introduced into the sleeve 1, the sediment can better float to the upper side of the slag cleaning barrel 31.
In the process of moving the slag removing barrel 31 downwards, the auxiliary rope winding wheel 736, the inserting rod and the supporting rod 733 can also guide the slag removing barrel 31, so that the condition that the slag removing barrel 31 inclines under the action of water flow when being put downwards is reduced, the possibility that the sleeve 1 is blocked due to the inclination of the slag removing barrel 31 is reduced, and the probability that sediment at the bottom of the sleeve 1 cannot upwelle along the gap between the slag removing barrel 31 and the sleeve 1 is reduced.
The sediment settles in the sediment removal barrel 31, meanwhile, sandy soil in slurry in the sediment removal barrel 31 also settles at the bottom of the sediment removal barrel, the sandy soil settled in the sediment removal barrel 31 occupies the space in the sediment removal barrel 31, in order to enable the sediment removal barrel 31 to contain more sediment and reduce the frequency of cleaning the sediment removal barrel 31 by an operator in the primary hole cleaning process, a centrifugal barrel 8 is further arranged in the sediment removal barrel 31, the centrifugal barrel 8 and the sediment removal barrel 31 are coaxially arranged, the upper surface of the centrifugal barrel 8 is lower than the lower surface of a main rope winding wheel 731, a plurality of through holes penetrating through the side wall of the centrifugal barrel 8 are formed in the side wall of the centrifugal barrel 8, a rotating shaft 71 penetrates through the bottom wall of the centrifugal barrel 8, and the bottom wall of the centrifugal barrel 8 is fixedly connected with the side wall of the rotating shaft 71; the slag cleaning barrel 31 is also provided with a rotating component 9 for driving the centrifugal barrel 8 to rotate.
Referring to fig. 6 and 8, the upper end surfaces of the main rope winding wheel 731 and the rotating shaft 71 are both provided with a matching groove 7311, the depth direction of the matching groove 7311 is arranged along the axial direction of the rotating shaft 71, the matching groove 7311 on the main rope winding wheel 731 penetrates through the main rope winding wheel 731, the matching groove 7311 on the main rope winding wheel 731 is communicated with the matching groove 7311 on the rotating shaft 71, the rotating assembly 9 comprises a reset rod 91, the reset rod 91 is simultaneously inserted into the two matching grooves 7311, the outer side wall of the reset rod 91 is provided with a thread, the groove wall of the matching groove 7311 on the rotating shaft 71 is also provided with a thread corresponding to the reset rod 91, and the reset rod 91 is in threaded connection with the rotating shaft 71; the upper end of the reset rod 91 penetrates through the cross beam 33, the reset rod 91 is inserted on the cross beam 33 in a sliding mode, and the upper end face of the reset rod 91 is located above the cross beam 33.
The cross beam 33 is also inserted with two guide rods 92 in a sliding manner, the axial direction of the guide rods 92 is arranged along the axial direction of the reset rod 91, the upper end surface of each guide rod 92 is positioned above the cross beam 33, and the reset rod 91 is positioned between the two guide rods 92; an installation plate 93 is fixedly connected to the upper end face of the reset rod 91, sleeves 94 which are arranged in one-to-one correspondence to the guide rods 92 are fixedly connected to the lower surface of the installation plate 93, openings of the sleeves 94 are arranged downwards, and each guide rod 92 is inserted into the corresponding sleeve 94 in a sliding manner; a return spring 95 is fixedly connected to the inner bottom wall of the sleeve 94, and the lower end of the return spring 95 is fixedly connected to the upper end surface of the guide rod 92.
In the process of lowering the slag removal barrel 31, the main rope winding wheel 731 rotates to drive the rotating shaft 71 to rotate, the rotating shaft 71 is in threaded connection with the reset rod 91, the rotating shaft 71 rotates to drive the reset rod 91 to move, the guide rod 92 is matched with the cross beam 33 to guide the movement of the reset rod 91, the reset rod 91 drives the mounting plate 93 to move downwards, the mounting plate 93 moves to drive the sleeve 94 to move, and the sleeve 94 moves and simultaneously compresses the reset spring 95; when the slag removing barrel 31 works for a period of time, an operator controls the crane to pull the slag removing barrel 31 to move upwards, the slag removing barrel 31 moves upwards in a small range, the distance for the slag removing barrel 31 to move upwards is not enough to enable sediment in the slag removing barrel 31 to move out of the slag removing barrel 31, the auxiliary rope winding wheel 736 rotates when the slag removing barrel 31 moves upwards, the rotating direction of the auxiliary rope winding wheel 736 is opposite to the rotating direction of the auxiliary rope winding wheel 736 when the slag removing barrel 31 moves downwards, and the auxiliary rope winding wheel 736 rotates to discharge the pull rope 732.
In the process of releasing the pulling rope 732, the return spring 95 recovers deformation and pushes the sleeve 94, the mounting plate 93 and the return rod 91 to move upwards, the return rod 91 moves to drive the rotating shaft 71, the main rope winding wheel 731 and the centrifugal barrel 8 to rotate, the main rope winding wheel 731 rotates and winds the pulling rope 732 on the main rope winding wheel 731, the centrifugal barrel 8 rotates to stir and mix sediment, sand and soil and slurry in the slag cleaning barrel 31, and the density of the mixture formed by the sand and the slurry is smaller than that of the sediment, so that the sediment floating on the slag cleaning barrel 31 can be more settled in the slag cleaning barrel 31, and the times of cleaning the slag cleaning barrel 31 by operators are reduced.
The implementation principle of embodiment 2 of the present application is as follows: when the slag removing barrel 31 is placed downwards, the auxiliary rope winding wheel 736 rotates to enable the main rope winding wheel 731, the rotating shaft 71 and the fan impeller 72 to rotate, the rotating shaft 71 rotates to drive the reset rod 91 and the guide rod 92 to move downwards and meanwhile press against the spring 734 to compress, and the fan impeller 72 rotates to stir slurry and sediment in the sleeve 1; after the slag removing barrel 31 is used for a period of time, the crane is operated to pull the slag removing barrel 31 to move upwards, the slag removing barrel 31 moves upwards to drive the auxiliary rope winding wheel 736 to rotate, meanwhile, the resisting spring 734 recovers deformation and pushes the reset rod 91 to move upwards, the reset rod 91 moves to drive the main rope winding wheel 731, the rotating shaft 71 and the centrifugal barrel 8 to rotate, the centrifugal barrel 8 rotates to stir mud, sand and sediment in the slag removing barrel 31, then the slag removing barrel 31 is placed downwards, and in the process of cleaning holes once, an operator repeats the operations for multiple times.
The embodiment of the application also discloses a cast-in-place pile hole forming method using the equipment.
S1, preparing before construction, leveling a site in a construction range through machinery, hardening the site needing to be hardened near a cast-in-place pile hole by adopting reinforced concrete, and arranging drainage ditches, water collecting wells and the like around the cast-in-place pile hole;
s2, determining the center coordinates of the cast-in-place pile, then carrying out on-site measurement and setting-out, after measuring and setting the center of the cast-in-place pile, excavating a foundation pit around the measured and set center of the cast-in-place pile, embedding a road substrate in the foundation pit, overlapping the center of the road substrate with the center of the cast-in-place pile, and preventing the casing 1 from deviating during pile foundation construction.
S3, installing a drilling machine, hoisting and placing the casing 1 after the drilling machine is in place, measuring the verticality of the first casing 1 by using a theodolite or a measuring hammer after the first casing 1 is installed, and adjusting the position of the first casing 1 according to the measured data to keep the first casing 1 vertical;
s4, sequentially adding the sleeves 1 in the working process of the drilling machine, observing the conditions of torque, pressure and vertical precision while the drilling machine drills underground in a rotary mode, making relevant records, taking soil by using a grab bucket when the drilling machine drills three meters underground, hoisting a sleeve cap protecting a sleeve 1 joint on the sleeve 1 before soil taking, performing soil taking operation while the drilling machine drills in a rotary mode, monitoring soil taking depth and preventing overexcavation, wherein the thickness of soil reserved at the bottom of the lowermost sleeve 1 is twice of the diameter of a cast-in-place pile, treating a sleeve 1 joint when one meter of sleeve 1 on a drilling machine platform does not drill, preparing to connect the sleeve 1, performing rust prevention treatment on a pipe orifice, smearing grease, adding a preservative film to facilitate disassembly and assembly, then hoisting one section of sleeve 1 for connection, and continuously drilling after connecting the sleeve 1;
s5, after the sleeve 1 is placed below the rock surface, the combined processes of punching, smashing, drilling, grabbing and the like are carried out by using a punching cross hammer and a punching grab bucket to take out rock slag, the rock slag is drilled to the designed elevation of the hole bottom, then the bottom is drawn by using the punching grab bucket in time, soft layers such as flattening, no loose slag, sludge, precipitation and the like are formed, and the soft layers are notified to supervise, and relevant departments such as owners and the like to check and accept in time until the bottom of the cast-in-place pile hole is cleaned;
s6, after the final hole is checked and accepted, slag is fished in the cast-in-place pile hole by using a slag fishing hopper, after the slag fishing is finished, sediment still exists at the bottom of the cast-in-place pile hole, at the moment, the cast-in-place pile hole is cleaned by using a primary slag cleaning assembly, an air pipe 32 is connected with an air pipe of an air compressor 5, then a rope is bound on a lifting ring 34, the air compressor 5 is started, a crane is operated to lower a slag cleaning barrel 31 to the bottom of the cast-in-place pile hole, after the slag cleaning barrel 31 works for a period of time, the slag cleaning barrel 31 is taken out, sediment and slurry in the slag cleaning barrel 31 are poured into a slurry pond, after the slag cleaning barrel 31 is cleaned by water, the slag cleaning barrel 31 is lowered to the bottom of the cast-in-place pile hole again, and the operation is repeated for multiple times until no sediment is poured out of the slag cleaning barrel 31;
s7, manufacturing and completing the reinforcement cage 6 according to design requirements, performing on-site acceptance, operating a crane to hoist the reinforcement cage 6 and placing the reinforcement cage 6 into a bored pile hole after the reinforcement cage is qualified, and welding the reinforcement cage 6 needing to be connected with the cage on a full-circle slewing drilling machine, wherein the welding length needs to meet the design requirements;
s8, placing a pouring guide pipe, wherein a gap exists between the lower end face of the guide pipe and the bottom wall of the pouring pile hole, and after the guide pipe is installed, a guide pipe frame for stabilizing the guide pipe is erected at the pipe orifice of the sleeve 1;
s9, after the guide pipe is installed, the concrete tank truck arrives at the site, the sediment thickness at the bottom of the cast-in-place pile hole is measured, the cast-in-place pile hole can be cast if the sediment thickness meets the requirement, and secondary hole cleaning is needed if the sediment thickness does not meet the requirement;
s10, during secondary hole cleaning, the rope is bound on a fixing ring 43, the connecting head 42 is connected with an air pipe of the air compressor 5, then the crane is controlled to lower the slag cleaning pipe 41 to the bottom of the cast-in-place pile hole, a gap exists between the connecting head 42 and the bottom wall of the cast-in-place pile hole, the air compressor 5 is started, after the slag cleaning pipe 41 works for a period of time, the air compressor 5 is closed, the sediment thickness of the bottom of the cast-in-place pile hole is measured, if the sediment thickness does not meet the design requirements, the secondary slag cleaning component 4 is reused to clean sediment, until the sediment thickness meets the design requirements, the slag cleaning pipe 41 is lifted out, and at the moment, concrete can be poured into the cast-in-place pile hole.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a bored concrete pile is with clear hole equipment which characterized in that: including once scarfing cinder subassembly (3), secondary scarfing cinder subassembly (4), be arranged in will once scarfing cinder subassembly (3) and secondary scarfing cinder subassembly (4) the crane of transferring in the bored concrete pile hole, the hole cleaning equipment still includes air compressor machine (5), and air compressor machine (5) provide the air for once scarfing cinder subassembly (3) and secondary scarfing cinder subassembly (4), once scarfing cinder subassembly (3) are including scarfing cinder bucket (31), the external diameter of scarfing cinder bucket (31) is less than the diameter in bored concrete pile hole, a plurality of tuber pipes (32) of fixedly connected with on the interior diapire of scarfing cinder bucket (31), the upper end of tuber pipe (32) and the trachea threaded connection of air compressor machine (5), the diapire of scarfing cinder bucket (31) is run through to the lower extreme of tuber pipe (32), crossbeam (33) of the upper end fixedly connected with of scarfing cinder bucket (31), fixedly connected with one on crossbeam (33) plays rings (34), plays rings (34) and is located on the axis of scarfing cinder bucket (31), and one of the bottom fixedly connected with of scarfing cinder bucket (31) lateral wall empties ring (35).
2. The hole cleaning equipment for the cast-in-place pile according to claim 1, wherein: the secondary slag removal assembly (4) comprises a slag removal pipe (41), the outer diameter of the slag removal pipe (41) is smaller than the diameter of a cast-in-place pile hole, a fixing ring (43) is fixedly connected to the top of the slag removal pipe (41), and the upper end of the slag removal pipe (41) is connected with an air pipe of the air compressor (5).
3. The hole cleaning equipment for the cast-in-place pile according to claim 1, wherein: the slag removing barrel (31) is also provided with a pre-stirring assembly (7), the pre-stirring assembly (7) comprises a fan wheel (72) which is rotatably connected onto the slag removing barrel (31), the axial direction of the fan wheel (72) is arranged along the axial direction of the slag removing barrel (31), the fan wheel (72) is positioned below the slag removing barrel (31), and a driving piece (73) which drives the fan wheel (72) to rotate is arranged in the slag removing barrel (31).
4. A hole cleaning device for a cast-in-place pile according to claim 3, characterized in that: the driving piece (73) comprises a rotating shaft (71) which is rotatably connected in the slag cleaning barrel (31), the axial direction of the rotating shaft (71) is arranged along the axial direction of the slag cleaning barrel (31), the rotating shaft (71) penetrates through the bottom wall of the slag cleaning barrel (31), a fan impeller (72) is fixedly connected at the lower end of the rotating shaft (71), a main rope winding wheel (731) is fixedly connected on the upper end surface of the rotating shaft (71), the axial direction of the main rope winding wheel (731) is arranged along the axial direction of the rotating shaft (71), a plurality of auxiliary rope winding wheels (736) are rotatably connected on the outer side wall of the slag cleaning barrel (31), the axial direction of the auxiliary rope winding wheels (736) is perpendicular to the axial direction of the slag cleaning barrel (31), the auxiliary rope winding wheels (736) are matched with the inner wall of a sleeve (1) in a filling pile hole in a rolling manner, two pull ropes (732) are wound on the main rope winding wheel (731), one end, far away from the main rope winding wheel (732), penetrates through the side wall of the slag cleaning barrel (31) and the other auxiliary rope winding wheel (736), and the other side wall of the auxiliary rope winding wheel (732) also penetrates through the other auxiliary rope winding wheel (736).
5. A hole cleaning device for a cast-in-place pile according to claim 4, characterized in that: the rotary slag removing barrel (31) is connected with a centrifugal barrel (8) in a rotating mode, the upper end face of the centrifugal barrel (8) is lower than a pull rope (732), a plurality of through holes penetrating through the side wall of the centrifugal barrel (8) are formed in the side wall of the centrifugal barrel (8), a rotary shaft (71) penetrates through the bottom wall of the centrifugal barrel (8) and is fixedly connected with the centrifugal barrel (8), and a rotary assembly (9) driving the centrifugal barrel (8) to rotate is further arranged in the slag removing barrel (31).
6. A hole cleaning device for a cast-in-place pile according to claim 5, characterized in that: rotating assembly (9) is including release link (91), set up the screw thread on the lateral wall of release link (91), set up cooperation groove (7311) that corresponds with release link (91) on axis of rotation (71), set up screw thread on the cell wall of cooperation groove (7311), release link (91) threaded connection is in cooperation groove (7311), release link (91) and axis of rotation (71) coaxial line set up, release link (91) slide simultaneously and peg graft on main rope sheave (731) and on crossbeam (33), fixedly connected with a mounting panel (93) on the top surface of release link (91), mounting panel (93) are located crossbeam (33) top, it has two guide bars (92) to slide on crossbeam (33) to peg graft, the axial of guide bar (92) sets up along the axial of release link (91), fixedly connected with on the lower surface of mounting panel (93) corresponds sleeve (94) that sets up with guide bar (92), every guide bar (92) all slides in corresponding sleeve (94), the up end face upper end fixedly connected with a spring (95) and the inner bottom end winding up of reset spring (731) and return link (94), return link (95) the inner bottom end face of return link (94) that reset spring (731) was connected with the return link (92).
7. A hole cleaning device for a cast-in-place pile according to claim 4, characterized in that: the outer side wall of the slag cleaning barrel (31) is vertically and fixedly connected with a supporting rod (733) which is arranged corresponding to the auxiliary rope winding wheel (736), one end, far away from the slag cleaning barrel (31), of the supporting rod (733) is slidably inserted with a abutting rod (735), the sliding direction of the abutting rod (735) is perpendicular to the axial direction of the slag cleaning barrel (31), one end, far away from the abutting rod (735), of the abutting rod (735 is inserted into the supporting rod (733) is fixedly connected with an abutting spring (734), one end, far away from the abutting rod (735), of the abutting spring (734) is fixedly connected onto the supporting rod (733), the auxiliary rope winding wheel (736) is rotatably connected onto one end, far away from the slag cleaning barrel (31), the abutting spring (734) is in a compression state, the auxiliary rope winding wheel (736) abuts against the inner wall of a sleeve (94) in a filling pile hole, and the friction force generated when the auxiliary rope winding wheel (736) rolls on the sleeve (94) is greater than the elastic force generated when the abutting spring (734) recovers deformation.
8. The hole cleaning equipment for the cast-in-place pile according to claim 7, wherein: an inserting groove (7331) is formed in the end face, away from the slag removing barrel (31), of the supporting rod (733), the length direction of the inserting groove (7331) is perpendicular to the axial direction of the slag removing barrel (31), the abutting rod (735) is inserted into the inserting groove (7331) in a sliding mode, and one end, away from the abutting rod (735), of the abutting spring (734) is fixedly connected to the bottom wall of the inserting groove (7331).
9. A method for forming a hole in a cast-in-place pile, which is characterized in that the hole cleaning equipment as claimed in any one of claims 1 to 8 is adopted for hole forming construction of the cast-in-place pile, and comprises the following steps:
s1, preparing before construction, leveling a field in a construction range, hardening the field near a cast-in-place pile, and arranging a drainage ditch, a collector well and the like near the cast-in-place pile;
s2, carrying out on-site measurement and setting-out, measuring and setting the center of the cast-in-place pile, then digging foundation pits around the cast-in-place pile, and burying a road substrate in the foundation pits;
s3, installing a drilling machine, installing a sleeve after the drilling machine is in place, and keeping the first section of sleeve vertical;
s4, enabling the sleeve to gradually drill underground when the drilling machine works, gradually increasing the sleeve in the working process of the drilling machine, observing various parameters of the drilling machine in the working process of the drilling machine, and taking soil by using a grab bucket when the sleeve drills three meters underground;
s5, after the sleeve is lowered below the rock surface, the cross impact hammer and the grab bucket are used for taking out rock slag, after the sleeve is drilled to the designed elevation of the hole bottom, the grab bucket is used for cleaning the bottom of the bored concrete pile hole, and then relevant people are informed to check and accept;
s6, after the final hole is checked and accepted, slag is fished in the cast-in-place pile hole by using a slag fishing hopper, sediment still exists at the bottom of the cast-in-place pile hole after the slag is fished, and the slag is removed from the cast-in-place pile hole by using one-time slag removal construction;
s7, after primary slag removal is finished, operating a crane to hoist the reinforcement cage and placing the reinforcement cage into the hole of the cast-in-place pile;
s8, placing a pouring guide pipe, wherein a gap exists between the lower end face of the guide pipe and the bottom wall of the pouring pile hole, and after the guide pipe is installed, a guide pipe frame for stabilizing the guide pipe is erected at the opening of the sleeve pipe;
s9, after the guide pipe is installed, the concrete tank truck arrives at the site, the sediment thickness at the bottom of the cast-in-place pile hole is measured, the cast-in-place pile hole can be cast if the sediment thickness meets the requirement, and secondary hole cleaning is needed if the sediment thickness does not meet the requirement;
s10, removing slag in the cast-in-place pile hole by using a secondary slag removing assembly, measuring the thickness of the slag at the bottom of the cast-in-place pile hole after the secondary slag removing assembly works for a period of time, lifting a slag removing pipe out after the thickness of the slag meets the design requirement, and pouring concrete into the cast-in-place pile hole at the moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211460266.5A CN115749654A (en) | 2022-11-17 | 2022-11-17 | Hole cleaning equipment for cast-in-place pile and cast-in-place pile hole forming method using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211460266.5A CN115749654A (en) | 2022-11-17 | 2022-11-17 | Hole cleaning equipment for cast-in-place pile and cast-in-place pile hole forming method using same |
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| Publication Number | Publication Date |
|---|---|
| CN115749654A true CN115749654A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211460266.5A Pending CN115749654A (en) | 2022-11-17 | 2022-11-17 | Hole cleaning equipment for cast-in-place pile and cast-in-place pile hole forming method using same |
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| CN (1) | CN115749654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116695714A (en) * | 2023-08-08 | 2023-09-05 | 四川智能建造科技股份有限公司 | Rectangular pile foundation hole waste residue cleaning device |
-
2022
- 2022-11-17 CN CN202211460266.5A patent/CN115749654A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116695714A (en) * | 2023-08-08 | 2023-09-05 | 四川智能建造科技股份有限公司 | Rectangular pile foundation hole waste residue cleaning device |
| CN116695714B (en) * | 2023-08-08 | 2023-11-07 | 四川智能建造科技股份有限公司 | Rectangular pile foundation hole waste residue cleaning device |
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