CN115012416A - Clear hole device of drilling bored concrete pile - Google Patents
Clear hole device of drilling bored concrete pile Download PDFInfo
- Publication number
- CN115012416A CN115012416A CN202210842223.7A CN202210842223A CN115012416A CN 115012416 A CN115012416 A CN 115012416A CN 202210842223 A CN202210842223 A CN 202210842223A CN 115012416 A CN115012416 A CN 115012416A
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- 238000005553 drilling Methods 0.000 title description 7
- 238000004064 recycling Methods 0.000 claims abstract description 51
- 238000012216 screening Methods 0.000 claims abstract description 48
- 238000011084 recovery Methods 0.000 claims abstract description 34
- 239000004575 stone Substances 0.000 claims abstract description 20
- 239000002893 slag Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000004576 sand Substances 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 239000002002 slurry Substances 0.000 claims description 26
- 238000004804 winding Methods 0.000 claims description 18
- 238000011065 in-situ storage Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000013049 sediment Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 9
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000011440 grout Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000007873 sieving Methods 0.000 description 3
- 206010028347 Muscle twitching Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application relates to the technical field of building construction devices, and discloses a hole cleaning device for a bored pile, which solves the problem that when the hole bottom sediment is cleaned by a related hole cleaning method, a large amount of mud is directly cleaned out from a pile hole along with the hole bottom stone sediment, so as to cause the waste of underground mud, and comprises a sand pump movably arranged above the pile hole, wherein the bottom of the sand pump is communicated with a pump pipe extending into the pile hole, the top of the sand pump is communicated with a slag outlet pipe, one end of the slag outlet pipe far away from the sand pump is provided with a recovery mechanism, the recovery mechanism comprises a recovery tank, a screening component for screening the mud and the stone sediment is arranged in the recovery tank, a recycling component is arranged in the pile hole and comprises a recycling pipe communicated with the recovery tank, one end of the recycling pipe far away from the recovery tank is connected with a grout spraying ring, and the grout spraying hole for spraying the mud towards the inner wall of the pile hole is arranged in the circumferential direction of the grout spraying ring, thereby reducing the waste of subterranean mud.
Description
Technical Field
The application relates to the technical field of building construction equipment, especially, relate to a clear hole device of bored concrete pile.
Background
The cast-in-situ bored pile is a pile formed by mechanically drilling a pile hole in a foundation on an engineering site, placing a reinforcement cage in the pile hole and pouring concrete into the pile hole.
The hole cleaning is an important process in the pile forming process of the cast-in-situ bored pile, in actual engineering construction, slurry and stone residues exist in a pile hole formed by machine drilling, the slurry and the stone residues are mixed to form hole bottom sediments, when the hole bottom sediments are too thick, the cast-in-situ concrete can cause interlayer, pile breakage and even waste pile, so that serious loss is caused, and the hole bottom sediments need to be cleaned in construction.
When the related hole cleaning method is used for cleaning the sediment at the bottom of the hole, a large amount of mud is directly cleaned out of the pile hole along with the sediment at the bottom of the hole, so that the waste of underground mud is caused.
Disclosure of Invention
In order to guarantee the clearance effect to the bottom of hole stone sediment, reduce the waste of secret mud simultaneously, this application provides a clear hole device of bored concrete pile.
The application provides a clear hole device of bored concrete pile adopts following technical scheme:
the utility model provides a clear hole device of drilling bored concrete pile, includes the grit pump of movable mounting in stake hole top, the bottom intercommunication of grit pump has the pump line that stretches into in the stake hole, the top intercommunication of grit pump has the pipe of slagging tap, the one end of slagging tap and keeping away from the grit pump is equipped with the recovery mechanism, the recovery mechanism includes the accumulator, be equipped with the screening subassembly that carries out screening with mud and slabstone in the accumulator, the downthehole retrieval and utilization subassembly that is equipped with of stake, the retrieval and utilization subassembly includes the retrieval and utilization pipe with the accumulator intercommunication, the one end through connection that the accumulator was kept away from to the retrieval and utilization pipe has the whitewashing ring, the whitewashing hole that sprays mud towards stake downthehole wall jet mud is seted up to whitewashing ring's circumference.
Through adopting above-mentioned technical scheme, retrieve the mechanism and can carry out recycle with sand pump from the mud and the stone ballast that the stake hole bottom was taken out, the screening subassembly sieves mud and stone ballast, and the mud after the screening can be sent back to the downthehole wall of stake through the retrieval and utilization subassembly again, has realized recycling of underground mud, reduces the waste of underground mud, and the downthehole wall of stake forms stable mud skin, reduces the condition that the hole of collapsing appears.
Optionally, the screening assembly includes a screening plate installed in the recycling tank, a through hole is formed in the screening plate, a fixing column is fixed in the through hole, a sliding rod capable of plugging the through hole is slidably installed on the screening plate, a limiting plate for reducing the sliding rod from completely disengaging from the through hole is fixed on one side of the sliding rod away from the bottom wall of the recycling tank, a flow groove for slurry to flow through is formed in one side of the sliding rod close to the slag discharge pipe, the fixing column is located in the flow groove, and the depth of the flow groove is greater than the thickness of the screening plate.
By adopting the technical scheme, the sliding rod can vertically slide in the through hole, and when the lower end of the sliding rod is flush with the lower surface of the screening plate, the sliding rod completely blocks the through hole; when the upper end of slide bar and the upper surface parallel and level of screening board, spacing piece carries on spacingly to the slide bar, and circulation groove intercommunication screening board's upper and lower both sides this moment make mud can get into the below of screening board through the circulation groove, and the upper surface of screening board is stayed to the stone sediment, realizes the screening to mud and stone sediment.
Optionally, a conveying assembly for conveying the slurry into the recycling pipe is further arranged in the recycling tank.
Through adopting above-mentioned technical scheme, the transport assembly can carry the mud after the screening of being sieved the board to spout at stake hole inner wall through whitewashing ring.
Optionally, the conveying assembly is located below the sliding rod, the conveying assembly includes a piston plate that slides in a direction close to or away from the recycling pipe, the upper surface of the piston plate abuts against the sliding rod, an inclined surface that facilitates the piston plate to push the sliding rod is provided at one end of the sliding rod close to the piston plate, an opening that communicates with air at two sides of the piston plate is formed in the piston plate, a baffle that blocks the opening is hinged to one side of the piston plate close to the recycling pipe, and the opening is in an open state when the piston plate moves in a direction away from the recycling pipe; when the piston plate moves towards the direction close to the recycling pipe, the open hole is in a closed state; one side that the retrieval and utilization pipe was kept away from to the piston board is fixed with the piston rod, the piston rod runs through the lateral wall of accumulator, the gliding cylinder of drive piston board is installed to the one end that the piston board was kept away from to the piston rod.
By adopting the technical scheme, when the air cylinder pushes the piston plate to slide towards one side close to the recycling pipe, the sliding rod is abutted to the piston plate and pushed upwards, so that the sliding rod plugs the through hole, and finally, slurry in the recycling groove can enter the slurry spraying ring through the recycling pipe and be sprayed out; when the piston plate slides towards the direction of keeping away from the retrieval and utilization pipe, the trompil was in the open mode this moment, conveniently with the piston plate towards the direction pulling of keeping away from the retrieval and utilization pipe, when the piston plate was reciprocating motion, the slide bar slided from top to bottom in the through-hole, played the effect of vibrating to the mud in the accumulator, reduced the condition that the jam appears simultaneously.
Optionally, the recovery mechanism further comprises a lifting assembly for moving the guniting ring up and down in the pile hole.
Through adopting above-mentioned technical scheme, set up lifting unit and can make the whitewashing ring more stable when reciprocating in the stake hole, guarantee that the mud skin thickness that the downthehole wall of stake formed is more even, and the dado effect is better.
Optionally, lifting unit is including the wind-up roll that is located stake hole top, the wind-up roll pivot is fixed with and is used for driving wind-up roll pivoted servo motor, the winding has the receipts winding rope on the wind-up roll, the one end and the whitewashing ring fixed connection of wind-up roll are kept away from to the receipts winding rope.
Through adopting above-mentioned technical scheme, servo motor drive wind-up roll rotates, realizes the rolling to the receipts winding rope to make the position height of whitewashing ring change, realize carrying out the whitewashing to the inner wall of stake hole different positions.
Optionally, a scraper is fixed on one side of the guniting ring close to the bottom wall of the pile hole, and one side of the scraper far away from the guniting ring is attached to the inner wall of the pile hole.
By adopting the technical scheme, after the mud is sprayed on the inner wall of the pile hole, the scraper scrapes the mud on the inner wall of the pile hole in the process of moving along with the guniting ring, the wall protection effect of the mud on the inner wall of the pile hole is improved, and the phenomenon of hole collapse is reduced.
Optionally, the outside of pump line is installed and is carried out spacing pipe to the pump line, the outer wall of spacing pipe is equipped with the spacing groove, the length direction of spacing pipe is seted up along the spacing groove to the spacing groove, sliding mounting has the rolling gyro wheel of length direction along the spacing groove in the spacing groove, be fixed with the connecting rod that stretches out towards one side of keeping away from the spacing groove on the roll axis of gyro wheel, the one end and the whitewashing ring fixed connection of gyro wheel are kept away from to the connecting rod.
Through adopting above-mentioned technical scheme, when spouting the downthehole slip from top to bottom of stake of ring, the gyro wheel rolls from top to bottom at the spacing inslot, plays limiting displacement to spouting the removal of ring, and spacing pipe can carry on spacingly to the pump line simultaneously, reduces the pump line and takes place the condition of rocking when twitching the sediment mud of stake hole diapire.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the recycling mechanism can recycle the slurry and the stone slag pumped by the sand pump from the bottom of the pile hole, the screening component screens the slurry and the stone slag, and the screened slurry can be sent back to the inner wall of the pile hole through the recycling component again, so that the recycling of underground slurry is realized, the waste of the underground slurry is reduced, stable mud skin is formed on the inner wall of the pile hole, and the hole collapse condition is reduced;
2. the conveying assembly can convey the slurry after being screened by the screened plate and the slurry is sprayed out of the inner wall of the pile hole through the slurry spraying ring;
3. the lifting assembly is arranged, so that the guniting ring can move up and down in the pile hole more stably, the thickness of mud skin formed on the inner wall of the pile hole is ensured to be more uniform, and the wall protection effect is better;
4. the utility model provides a retrieve the mechanism and help reducing the extravagant condition of secret mud, be favorable to environmental protection, have good economic benefits.
Drawings
FIG. 1 is a schematic view of the pile hole, sand pump and recovery mechanism.
Fig. 2 is a schematic structural view of a guniting ring and a limiting pipe.
Figure 3 is a cross-sectional view of a screen assembly and a conveyor assembly.
Figure 4 is an enlarged view of a portion of the retrieval assembly at a in figure 1.
Description of reference numerals: 1. pile holes; 2. a machine base; 21. supporting legs; 22. a limiting pipe; 221. a limiting groove; 3. a sand pump; 31. a pump tube; 32. a slag pipe; 4. a recovery mechanism; 41. a recovery tank; 42. a screen assembly; 421. a screening plate; 4211. a through hole; 422. fixing a column; 423. a slide bar; 4231. a circulation tank; 424. a limiting sheet; 43. a recycling assembly; 431. a recycling pipe; 432. a guniting ring; 4321. a guniting hole; 433. a squeegee; 44. a delivery assembly; 441. a piston plate; 442. a piston rod; 4421. opening a hole; 4422. a baffle plate; 443. a cylinder; 45. a lifting assembly; 451. a servo motor; 452. a wind-up roll; 453. winding the rope; 454. a roller; 4541. a rolling shaft; 455. a connecting rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses clear hole device of drilling bored concrete pile.
Referring to fig. 1 and 2, a cast-in-situ bored pile hole cleaning device comprises a machine base 2 movably mounted above a pile hole 1, the pile hole 1 is vertically arranged below the ground, supporting legs 21 are vertically fixed at four end corners of the machine base 2, the four supporting legs 21 are arranged on the ground outside the pile hole 1 at intervals, a certain interval is kept between the horizontally arranged machine base 2 and an upper port of the pile hole 1, a sand pump 3 is arranged on the machine base 2, the lower surface of the sand pump 3 is communicated with a pump pipe 31, the pump pipe 31 penetrates through the machine base 2 and extends into the pile hole 1, one end of the pump pipe 31 far away from the sand pump 3 is inserted into slurry and stone slag at the bottom of the pile hole 1, the upper surface intercommunication of grit pump 3 has slag pipe 32, and the one end that sand pump 3 was kept away from to slag pipe 32 is equipped with recovery mechanism 4, and recovery mechanism 4 retrieves the mud of taking out from stake hole 1 bottom and recycles, reduces the waste of secret mud.
The coaxial spacing pipe 22 that is equipped with in the outside of pump line 31, the axle center of spacing pipe 22 and the axle center of stake hole 1 are located the collinear, and the lower fixed surface of the upper end of spacing pipe 22 and frame 2 is connected, and spacing pipe 22 is spacing to pump line 31, and the condition that appears rocking when reducing pump line 31 and twitching mud and stone sediment in stake hole 1, and then reduces the condition that appears causing the damage to stake hole 1 lateral wall.
Referring to fig. 1 and 3, the recycling mechanism 4 comprises a recycling groove 41 arranged beside the machine base 2, a screening component 42 for screening the slurry and the stone slag discharged from the slag discharging pipe 32 is arranged in the recycling groove 41, a recycling component 43 for spraying the slurry to the side wall of the pile hole 1 is further arranged in the pile hole 1, the recycling component 43 is communicated with the recycling groove 41, and a conveying component 44 for conveying the screened slurry into the recycling component 43 is further arranged in the recycling groove 41; after the slurry in the pile hole 1 is pumped out of the bottom of the pile hole 1 by the sand pump 3, the slurry enters the recovery mechanism 4, the screening component 42 separates the slurry from the rock ballast, the slurry is conveyed back into the pile hole 1 by the conveying component 44 and is sprayed out to the side wall of the pile hole 1 through the recycling component 43, the reuse of the slurry is realized, and the hole collapse condition is reduced.
A sliding rod 423 is further slidably mounted in each through hole 4211, the sliding rod 423 is vertically arranged, a circulation groove 4231 is formed in the upper surface of the sliding rod 423, the circulation groove 4231 penetrates through the side wall of the sliding rod 423, the depth of the circulation groove 4231 is larger than that of the screening plate 421, mud above the screening plate 421 can flow out of the circulation groove 4231 to the lower side of the screening plate 421, and the ballast is blocked on the upper surface of the screening plate 421; the two fixing posts 422 are located in the circulation groove 4231, the fixing posts 422 can slide along the length direction of the circulation groove 4231, and when the sliding rod 423 slides up and down in the through hole 4211, the fixing posts 422 slide in the circulation groove 4231, so that the condition that the circulation groove 4231 is blocked is reduced.
The upper end of the sliding rod 423 is further fixed with a limiting sheet 424, the limiting sheet 424 horizontally extends out to one side far away from the sliding rod 423, and the limiting sheet 424 can be abutted against the upper surface of the screening plate 421, so that the sliding rod 423 is not easy to completely fall out of the through hole 4211 when sliding downwards; gravel pump 3 is through taking out the mud and the stone sediment of stake hole 1 bottom back in accumulator 41, screening subassembly 42 separates mud and stone sediment, and the constructor can adjust the mud consistency in accumulator 41, can add right amount dry powder if the low consistency of mud, can add right amount water if the consistency of mud is too high, the in-process that mud flows to screening board 421 below, the up-and-down slip of slide bar 423 plays the effect of vibrating to mud, when convenient follow-up mud retrieval and utilization is to stake hole 1 lateral wall, stake hole 1 lateral wall forms stable mud skin, the condition of hole of collapsing appears in the reduction.
Retrieval and utilization subassembly 43 includes retrieval and utilization pipe 431, the collecting vat is close to the lateral wall and retrieval and utilization pipe 431 through connection of stake hole 1, retrieval and utilization pipe 431 keeps away from the one end through connection of collecting vat and has whitewashing ring 432, there is the cavity in whitewashing ring 432, whitewashing ring 432 coaxial arrangement in the outside of spacing pipe 22, and whitewashing ring 432's periphery interval has seted up a plurality of whitewashing holes 4321, whitewashing hole 4321 link up with the cavity, mud in the accumulator 41 can spout to the lateral wall of stake hole 1 through whitewashing hole 4321.
The conveying assembly 44 is located below the screening plate 421, the conveying assembly 44 includes a piston plate 441, the piston plate 441 is vertically disposed in the recycling groove 41, the piston plate 441 can horizontally slide toward a direction close to the recycling pipe 431 or away from the recycling pipe 431, a piston rod 442 is horizontally fixed on one side of the piston plate 441 away from the recycling pipe 431, the piston rod 442 penetrates through a side wall of the recycling groove 41, a cylinder 443 is disposed at one end of the piston rod 442 away from the piston plate 441, the cylinder 443 is installed outside the recycling groove 41, and the piston rod 442 is fixedly connected with an output end of the cylinder 443.
Two rows of open holes 4421 are horizontally formed in the piston plate 441, the number of each row of open holes 4421 is multiple, the open holes 4421 are uniformly distributed on the piston plate 441 at intervals, two baffles 4422 are hinged to one side wall of the piston plate 441 far away from the piston rod 442, each baffle 4422 is arranged corresponding to each row of open holes 4421, a hinge shaft of each baffle 4422 is located above the open hole 4421, when the piston plate 441 moves towards a direction close to the recycling pipe 431, the baffle 4422 blocks the open hole 4421, and when the piston plate 441 moves towards a direction far away from the recycling pipe 431, the baffle 4422 rotates towards a direction far away from the open hole 4421 to open the open hole 4421, so that the piston plate 441 can move back and forth conveniently.
The lower surface of the sliding rod 423 is provided with two inclined surfaces gradually approaching to the axis of the sliding rod 423, when the piston plate 441 horizontally slides in the recovery tank 41, the upper end of the piston plate 441 slides along the inclined surfaces of the sliding rod 423 and pushes the sliding rod 423 upwards, the fixing column 422 limits the sliding rod 423 to reduce the sliding rod 423 from falling out of the through hole 4211 from the upper surface of the sieving plate 421, when the sliding rod 423 is pushed upwards by the piston plate 441, the sliding rod 423 completely seals the through hole 4211, so that the mud on the lower surface of the sieving plate 421 can be pushed out by the piston plate 441, the reciprocating movement of the piston plate 441 can realize the vertical sliding of the sliding rod 423, and therefore the mud entering the lower part of the sieving plate 421 can be vibrated.
Referring to fig. 1 and 4, the recovery mechanism 4 further includes a lifting assembly 45, the guniting ring 432 can move up and down in the pile hole 1 through the lifting assembly 45, an annular scraper 433 is further fixed to the bottom wall of the guniting ring 432, the annular scraper 433 and the axle center of the guniting ring 432 are located on the same straight line, the scraper 433 is gradually inclined and downwardly arranged from one side close to the guniting ring 432 to one side far away from the guniting ring 432, one side of the scraper 433 far away from the guniting ring 432 is attached to the inner wall of the pile hole 1, and in the process of up-and-down lifting of the guniting ring 432, mud sprayed by the guniting ring 432 is scraped by the scraper 433 to be flat on the inner wall of the pile hole 1, so that a stable mud skin is formed on the inner wall of the pile hole 1, and the hole collapse phenomenon is reduced.
Four limiting grooves 221 are formed in the outer side wall of the limiting tube 22, the four limiting grooves 221 are symmetrically arranged relative to the axis of the limiting tube 22, and the limiting grooves 221 are vertically formed in the length direction of the limiting tube 22.
The lifting assembly 45 comprises a servo motor 451 fixed beside the machine base 2, a winding roller 452 is coaxially fixed at the output end of the servo motor 451, the winding roller 452 is positioned above the pile hole 1, and a winding rope 453 is wound on the winding roller 452; a roller 454 is slidably mounted in each limiting groove 221, the roller 454 can roll up and down in the limiting groove 221, a rolling shaft 4541 penetrates through the axis of the roller 454, a connecting rod 455 is vertically fixed at the end of the rolling shaft 4541, one end of the connecting rod 455, which is far away from the roller 454, is fixedly connected with the guniting ring 432, and one end of the winding rope 453, which is far away from the winding roller 452, is fixedly connected with the connecting rod 455.
When servo motor 451 drives wind-up roll 452 to rotate, the rolling of wind-up rope 453 is realized to make connecting rod 455 with wind-up rope 453 fixed connection slide from top to bottom, make whitewashing ring 432 reciprocate, simultaneously gyro wheel 454 rolls in spacing groove 221, realizes stable spacing effect to the oscilaltion of whitewashing ring 432, reduces the circumstances that whitewashing ring 432 squinted in the removal in-process.
The implementation principle of clear hole device of drilling bored concrete pile of this application embodiment is:
the sand pump 3 pumps the mud and the stone slag in the pile hole 1 out and then enters the recovery groove 41, the screening component 42 in the recovery groove 41 separates the mud and the stone slag, the stone slag with larger particle size is left on the upper surface of the screening plate 421, the mud flows into the through hole 4211 and flows to the lower surface of the screening plate 421 from the circulating groove 4231, a constructor can adjust the consistency of the mud in the recovery groove 41, the subsequent reuse of the mud is facilitated, the waste of underground mud is reduced, the conveying component 44 enables the mud screened in the recovery groove 41 to enter the mud spraying ring 432 and be sprayed out to the side wall of the pile hole 1 from the mud spraying hole 4321, in the process of spraying the mud, the mud spraying ring 432 slides up and down along the limiting pipe 22 under the action of the lifting component 45, and the scraper 433 scrapes the mud on the side wall of the pile hole 1 to enable the side wall of the pile hole 1 to form stable mud skin, and the phenomenon of hole collapse is reduced.
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 (8)
1. The utility model provides a clear hole device of bored concrete pile which characterized in that: comprises a sand pump (3) movably arranged above a pile hole (1), the bottom of the sand pump (3) is communicated with a pump pipe (31) extending into the pile hole (1), the top of the sand pump (3) is communicated with a slag outlet pipe (32), one end of the slag outlet pipe (32) far away from the sand pump (3) is provided with a recovery mechanism (4), the recovery mechanism (4) comprises a recovery tank (41), a screening component (42) for screening the mud and the stone slag is arranged in the recovery tank (41), a recycling component (43) is arranged in the pile hole (1), the recycling component (43) comprises a recycling pipe (431) communicated with the recycling groove (41), one end of the recycling pipe (431) far away from the recycling groove (41) is connected with a guniting ring (432) in a penetrating way, and the circumferential direction of the guniting ring (432) is provided with a guniting hole (4321) for spraying slurry towards the inner wall of the pile hole (1).
2. The cast-in-situ bored pile hole cleaning device according to claim 1, wherein: the screening assembly (42) comprises a screening plate (421) installed in a recovery groove (41), a through hole (4211) is formed in the screening plate (421), a fixing column (422) is fixed in the through hole (4211), a sliding rod (423) capable of plugging the through hole (4211) is installed on the screening plate (421) in a sliding mode, a limiting sheet (424) capable of reducing the sliding rod (423) to be completely separated from the through hole (4211) is fixed on one side, away from the bottom wall of the recovery groove (41), of the sliding rod (423), a circulation groove (4231) for slurry to flow through is formed in one side, close to a slag discharge pipe (32), of the sliding rod (423), the fixing column (422) is located in the circulation groove (4231), and the depth of the circulation groove (4231) is larger than the thickness of the screening plate (421).
3. The cast-in-situ bored pile hole cleaning device according to claim 1, wherein: the recycling tank (41) is also internally provided with a conveying assembly (44) for conveying the slurry into a recycling pipe (431).
4. The cast-in-situ bored pile hole cleaning device according to claim 3, wherein: the conveying assembly (44) is positioned below the sliding rod (423), the conveying assembly (44) comprises a piston plate (441) which slides towards the direction close to or away from the recycling pipe (431), the upper surface of the piston plate (441) is abutted against the sliding rod (423), one end, close to the piston plate (441), of the sliding rod (423) is provided with an inclined surface which facilitates the piston plate (441) to push the sliding rod (423), the piston plate (441) is provided with an opening hole (4421) communicated with air on two sides of the piston plate (441), one side, close to the recycling pipe (431), of the piston plate (441) is hinged with a baffle (4422) which blocks the opening hole (4421), and when the piston plate (441) moves towards the direction away from the recycling pipe (431), the opening hole (4421) is in an open state; when the piston plate (441) moves towards the direction close to the recycling pipe (431), the open hole (4421) is in a closed state; a piston rod (442) is fixed on one side of the piston plate (441) far away from the recycling pipe (431), the piston rod (442) penetrates through the side wall of the recycling groove (41), and a cylinder (443) for driving the piston plate (441) to slide is installed at one end of the piston rod (442) far away from the piston plate (441).
5. The cast-in-situ bored pile hole cleaning device according to claim 1, wherein: the recovery mechanism (4) also comprises a lifting component (45) which enables the guniting ring (432) to move up and down in the pile hole (1).
6. The cast-in-situ bored pile hole cleaning device according to claim 5, wherein: the lifting assembly (45) comprises a winding roller (452) located above the pile hole (1), a servo motor (451) used for driving the winding roller (452) to rotate is fixed to a rotating shaft of the winding roller (452), a winding rope (453) is wound on the winding roller (452), and one end, far away from the winding roller (452), of the winding rope (453) is fixedly connected with the guniting ring (432).
7. The cast-in-situ bored pile hole cleaning device according to claim 1, wherein: one side that whitewashing ring (432) is close to stake hole (1) diapire is fixed with scraper blade (433), one side and stake hole (1) inner wall laminating of whitewashing ring (432) are kept away from in scraper blade (433).
8. The cast-in-situ bored pile hole cleaning device according to claim 1, wherein: the utility model discloses a guniting device, including pump pipe (31), spacing pipe (22) that carry out spacingly are installed to the outside of pump pipe (31), the outer wall of spacing pipe (22) is equipped with spacing groove (221), length direction along spacing pipe (22) is seted up in spacing groove (221), sliding mounting has rolling gyro wheel (454) along the length direction of spacing groove (221) in spacing groove (221), be fixed with connecting rod (455) that stretches out towards one side of keeping away from spacing groove (221) on rolling shaft (4541) of gyro wheel (454), the one end and the whitewashing ring (432) fixed connection of gyro wheel (454) are kept away from in connecting rod (455).
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| CN202210842223.7A CN115012416B (en) | 2022-07-18 | 2022-07-18 | Clear hole device of drilling bored concrete pile |
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| CN202210842223.7A CN115012416B (en) | 2022-07-18 | 2022-07-18 | Clear hole device of drilling bored concrete pile |
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| CN115012416B CN115012416B (en) | 2023-01-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116642801A (en) * | 2023-07-26 | 2023-08-25 | 中铁建工集团有限公司 | Bored concrete pile envelope monitoring devices |
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| JP2013060707A (en) * | 2011-09-12 | 2013-04-04 | East Japan Railway Co | Borehole water level stabilization system for cast-in-place pile |
| CN105804059A (en) * | 2014-12-31 | 2016-07-27 | 上海市机械施工集团有限公司 | Cast-in-situ bored pile hole-forming device and method |
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|---|---|
| CN115012416B (en) | 2023-01-24 |
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