CN113373910B - Construction method for bored pile hole digging and pouring forming - Google Patents
Construction method for bored pile hole digging and pouring forming Download PDFInfo
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- CN113373910B CN113373910B CN202110580810.9A CN202110580810A CN113373910B CN 113373910 B CN113373910 B CN 113373910B CN 202110580810 A CN202110580810 A CN 202110580810A CN 113373910 B CN113373910 B CN 113373910B
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- 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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- 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
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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Abstract
The application relates to a pile casing structure and a construction method thereof applied to cast-in-place pile hole digging and cast-in-place forming, which belong to the technical field of cast-in-place concrete pile forming methods and comprise the following steps: step 1: a drilling area is defined on the construction foundation, drilling operation is carried out on the defined drilling area downwards towards the vertical direction, and after the drilling operation is finished, pile holes at the drilling area are formed; step 2: installing a reinforcement cage in the pile hole; and 3, step 3: pouring concrete into the pile hole; and 4, step 4: forming a pile; the drilling operation includes a rotary drilling machine drilling operation and a manual drilling operation. In order to avoid digging and breaking the cable during the construction of the cast-in-place concrete pile, the application provides a pile casing structure and a construction method applied to cast-in-place pile hole digging and pouring molding, which can detect the position of the underground cable when the cast-in-place concrete pile is constructed, and effectively reduce the situation of digging and breaking the cable.
Description
Technical Field
The application relates to the field of cast-in-place concrete pile forming, in particular to a construction method for cast-in-place pile hole digging and cast-in-place forming.
Background
The concrete filling pile is a pile made by forming holes in place and filling concrete or reinforced concrete.
The method for forming the concrete cast-in-place pile generally comprises a cast-in-place pile drilling method, a pipe-sinking cast-in-place pile drilling method, a manual drilling method, a bottom-expanding cast-in-place pile drilling method and the like, and currently, most of the concrete cast-in-place piles are manufactured by drilling a hole by the cast-in-place pile drilling method due to the reasons that the implementation cost is lower than that of the pipe-sinking cast-in-place pile drilling method, the pile forming efficiency is higher than that of the manual drilling method, the implementation operation is simpler than that of the bottom-expanding cast-in-place pile drilling method and the like, and particularly, a rotary excavator is mostly adopted for drilling the hole when drilling a site.
However, since there may be high-voltage cables in the underground of the construction site, the high-voltage cables belong to pipe network engineering, and before construction, a construction unit or a government may inform that there is a pipe network about how deep the underground of the area is, but although the depth of the high-voltage cables may be basically determined, in practice, the height of the cables may have a certain vertical error when installed, and meanwhile, the coordinates of the cables may not be determined, and if a rotary excavator is used to drill holes, the cables are likely to be cut off under the condition of careless operation; when the cable is dug down, high voltage is generated, so that the safety of a manipulator cannot be guaranteed, power failure and production halt, economic loss and the like can be caused, and therefore a process is needed for solving the problem.
Disclosure of Invention
In order to avoid digging and breaking the cable during the construction of the cast-in-place concrete pile, the application provides a cast-in-place pile hole digging and pouring molding construction method, which can detect the position of the underground cable when the cast-in-place concrete pile is constructed, and effectively reduce the situation of digging and breaking the cable.
The application provides a bored concrete pile hole-digging pouring forming construction method, which adopts the following technical scheme:
a construction method for digging holes and pouring and forming cast-in-place piles comprises the following steps:
step 1: the method comprises the following steps of (1) defining a drilling area on a construction foundation, performing drilling operation on the defined drilling area downwards in the vertical direction, and forming pile holes in the drilling area after the drilling operation is completed;
step 2: installing a reinforcement cage in the pile hole;
and step 3: pouring concrete into the pile hole;
and 4, step 4: forming a pile;
the drilling operation includes a rotary cutter drilling operation and a manual drilling operation,
the step 1 comprises the following steps:
step 1.1: acquiring underground cable embedding depth interval data of a drilling area from a corresponding pipe network engineering drawing, and drilling to the minimum value of-1 m of the underground cable embedding depth interval by adopting a rotary drilling machine;
step 1.2: mounting a pile casing structure with the height specification of 1m within the minimum value of-1 m from the ground to the underground cable embedding depth interval every time the rotary excavator excavates 1 m;
step 1.3: from the second pile casing structure, every pile casing structure is connected with the previous pile casing structure through a connecting component;
step 1.4: drilling by adopting manual drilling at the minimum-1 m position of the underground cable burying depth interval, carrying out first-stage leveling inspection after digging for 10cm until digging to the minimum position of the underground cable burying depth interval, and still installing a protective cylinder structure with the height specification of 1m when digging for 1 m;
step 1.41: checking whether a cable protection cover is dug or not in time during the first section of the flattening inspection period, and moving the cable to the outer edge of the pile hole if the cable protection cover is dug; if not, continuing to adopt manual drilling to dig to the minimum value of the underground cable burying depth interval;
step 1.5: drilling holes at the minimum value of the underground cable embedding depth interval by adopting manual drilling, and performing second-stage flattening inspection after digging 10cm till the maximum value of the underground cable embedding depth interval is reached, wherein a pile casing structure with the height specification of 1m is still installed after digging 1 m;
step 1.51: checking whether a cable protection cover is dug in time during the second stage of the flattening inspection period, and moving the cable to the outer edge of the pile hole if the cable protection cover is dug; if not, continuing to adopt manual drilling to dig to the maximum value of the underground cable burying depth interval;
step 1.6: drilling at the maximum value of the underground cable embedding depth interval by adopting manual drilling, and after digging 10cm, carrying out third-stage leveling inspection until the maximum value of the underground cable embedding depth interval + 1m is reached, wherein a pile casing structure with the height specification of 1m is still installed after digging 1 m;
step 1.61: checking whether a cable protection cover is dug in time during the third stage of the leveling inspection period, and moving the cable to the outer edge of the pile hole if the cable protection cover is dug; if the hole is not dug, the rotary digging machine is changed to drill a hole to continue to drill the hole downwards;
step 1.7: and drilling by using the rotary drilling machine until the pile hole is formed.
Through adopting above-mentioned technical scheme, dig quick-witted drilling operation and manual drilling operation alternate operation soon, can make the staff in to the construction of concrete bored concrete pile, in time judge the condition in construction place and adjust the operation mode, bury the regional minimum-1 m to bury the interval maximum + 1m of the interval of the depth underground cable underground at underground cable underground, catch up with the tie and examine after digging 10cm, can in time judge whether have the cable in the construction place, through protecting a tubular construction, can prevent the stake hole lateral wall and collapse.
This application still lies in providing a protect a section of thick bamboo structure, adopts following technical scheme:
the utility model provides a protect a structure, includes and protects a body, protect a body inner wall and seted up the annular, the annular internal rotation is connected with the change, the change is kept away from a lateral wall position department of annular installs electromagnetic wave detection piece, the output end direction of electromagnetic wave detection piece is the downward output, the emission frequency of electromagnetic wave detection piece is 1KHz, beat frequency 1.5 Hz.
Through adopting above-mentioned technical scheme, protect a structure except can effectively preventing stake hole lateral wall collapse, the electromagnetic wave of setting surveys piece and swivel, the cooperation operation of annular, the electromagnetic wave surveys the piece and can rotates round the inner wall of protecting a body in protecting a body, and emission frequency sets up to 1KHz, beat frequency sets up to 1.5Hz, make the electromagnetic wave that the electromagnetic wave surveys the piece and launches carry out the detection of cable in digging deeper stake hole more, the electromagnetic wave surveys the piece and can effectively assist the staff to the definite of cable position, can effectively reduce the risk of digging disconnected cable to whole engineering, staff's safety guarantee has been improved.
Preferably, the mounting panel is installed to the change outer wall, the mounting panel deviates from one side of change is provided with the position control subassembly, the electromagnetic wave detects the piece and installs the position control subassembly is kept away from one side of change, the position control subassembly is used for adjusting the electromagnetic wave detects the piece and is in protect position on the section of thick bamboo body.
By adopting the technical scheme, the mounting plate can be used as a carrier mounting position adjusting component, the position adjusting component is assembled with the electromagnetic wave detecting piece, the position adjusting component can adjust the position of the electromagnetic wave detecting piece in the casing body in the vertical direction, the electromagnetic wave detecting cable of the electromagnetic wave detecting piece has the largest linear distance, and the height specification of the casing body is fixed to be 1m, so that the position change of the electromagnetic wave detecting piece on the casing body can detect whether a cable exists underground or not, and can roughly judge how far the cable is away from the excavated soil surface, the cable position can be effectively determined by an assistant worker, the risk of digging the cable is effectively reduced, and the safety guarantee of the worker is improved.
Preferably, the position adjustment assembly includes: a vertical groove vertically formed on the mounting plate; the sliding block is connected in the vertical groove in a sliding manner; and the driving component is arranged on the mounting plate and used for driving the sliding block to displace along the vertical groove, wherein the electromagnetic wave detection piece is arranged on one side surface of the sliding block departing from the vertical groove.
Through adopting above-mentioned technical scheme, drive element can drive the slider and carry out the displacement along the extending direction who erects the groove, because electromagnetic wave detection spare assembles with the slider mutually to the slider can adjust the position of electromagnetic wave detection spare on protecting a section of thick bamboo body in the removal that erects the groove, thereby can detect out the underground and whether have the cable, can also roughly judge how far away cable distance has dug the soil surface of degree of depth, the determination of assistant work personnel to the cable position.
Preferably, the driving part includes: a drive member mounted on the mounting plate; a drive shaft mounted at the output end of the drive member; the linkage part is assembled at one end of the driving shaft away from the driving part; and the connecting part is assembled with the side wall of the sliding block, wherein one end of the connecting part, which is far away from the sliding block, is assembled with the linkage part.
Through adopting above-mentioned technical scheme, the driving piece can make the drive shaft rotate, drives linkage portion and connecting portion and carries out corresponding action, because connecting portion assemble with the slider mutually, therefore the slider can be driven by the driving piece and carry out the displacement along erecting the groove.
Preferably, the linkage portion includes: a first bevel gear mounted on an end of the drive shaft remote from the drive member; the driven shaft is rotatably connected to the mounting plate; and the second bevel gear is arranged on the driven shaft and meshed with the first bevel gear, wherein the mounting plate is provided with a protective shell in a covering manner, and the driven shaft is assembled with the connecting part.
By adopting the technical scheme, the first bevel gear is matched with the second bevel gear, so that the driving piece can drive the driven shaft to rotate, the driven shaft is assembled with the connecting part, the connecting part can swing, and the connecting part is assembled with the sliding block, so that the sliding block can be driven to displace along the vertical groove.
Preferably, the connection portion includes: the driven shaft is arranged on the mounting plate; the sleeve strip is sleeved on the column strip body; and the compression spring is arranged between the sleeve strip and the column strip, wherein one end of the compression spring is fixed with one side, close to the column strip, of the sleeve strip, the other end of the compression spring is fixed with one side, close to the sleeve strip, of the column strip, and one end, far away from the column strip, of the sleeve strip is rotatably connected with the sliding block.
Through adopting above-mentioned technical scheme, the rotation of driving piece can drive noose, the column bar and swing, and the telescopic structure of noose and column bar and compression spring rotates with the slider to be connected for telescopic structure's swing can drive the slider and carry out the displacement along the extending direction of spout.
Preferably, two vertical grooves are formed in the mounting plate, the two vertical grooves are symmetrically formed in the mounting plate, the driven shaft is located at the position of the mounting plate between the two vertical grooves, the connecting portions are two groups, and the connecting portions are symmetrically assembled at the end portions of the driven shaft.
Through adopting above-mentioned technical scheme, two perpendicular grooves set up the setting of two sets of connecting portions of cooperation, can make driving piece can two sliders of simultaneous control do opposite direction's motion along two perpendicular grooves, and two electromagnetic wave detection pieces can send the electromagnetic wave simultaneously, have reduced the error of electromagnetic wave detection cable distance between the soil face of the degree of depth of digging, and further supplementary staff is to the definite of cable position, effectively reduces the risk of digging disconnected cable, has improved staff's safety guarantee.
Preferably, the outer wall position department of post strip is fixed with the sand grip, a groove body has been seted up to the lateral wall of nook strip, the size of a dimension of sand grip with the size of a dimension looks adaptation of groove body, the sand grip slides and connects on the groove body.
Through adopting above-mentioned technical scheme, the cooperation setting of sand grip and the strip groove body can make the structure of connecting portion more stable to can drive the slider better and carry out the displacement along perpendicular groove.
Preferably, the electromagnetic wave detecting member is rotatably connected to the slider.
By adopting the technical scheme, the electromagnetic wave sent by the electromagnetic wave detection piece has the maximum detection distance and the underground cable is not positioned under the electromagnetic wave detection piece, so that the rotatably connected electromagnetic wave detection piece can be adapted to the situation that the underground cable has multiple possible positions, thereby further assisting the determination of a worker on the cable position, effectively reducing the risk of digging and breaking the cable and improving the safety guarantee of the worker.
In summary, the present application includes at least one of the following beneficial technical effects:
the drilling operation of the rotary excavating machine and the manual drilling operation are alternately operated, so that a worker can timely judge the condition of a construction site and adjust the operation mode when constructing the concrete cast-in-place pile, the region is formed from the minimum value of an underground cable embedding depth interval of-1 m to the maximum value of the underground cable embedding depth interval of + 1m, the leveling inspection is carried out after every 10cm of excavation, and whether cables exist in the construction site can be further timely judged.
Two, protect a structure and not only can effectively prevent stake hole lateral wall collapse, can also effectively assist the staff to confirm the cable position, can effectively reduce the risk of digging disconnected cable to whole engineering, improved staff's safety guarantee.
And thirdly, the electromagnetic wave detection piece can detect whether the cable exists underground or not through position change and angle change on the pile casing body, and can roughly judge how far the cable is away from the excavated soil surface, so that the position of the cable is further determined by workers.
Drawings
Fig. 1 is a schematic structural view of the entire casing structure in the embodiment of the present application.
Fig. 2 is a schematic structural view of a cross-sectional side of a connecting assembly in an embodiment of the present application.
Fig. 3 is a schematic sectional view of the entire structure in embodiment 1 of the present application.
Fig. 4 is an enlarged view of a and B in fig. 3.
Fig. 5 is a schematic view of a driving member in embodiment 2 of the present application.
Description of reference numerals: 1. a casing body; 11. a ring groove; 12. rotating the ring; 121. a groove; 122. a ball; 2. mounting a plate; 21. a placing groove; 22. a cover plate; 31. a vertical slot; 32. a slider; 331. a drive member; 336. a protective shell; 341. a bar; 342. sleeving a strip; 343. a compression spring; 344. a convex strip; 345. a strip groove body; 4. an electromagnetic wave detecting member; 51. a power member; 52. a placement groove; 53. a transverse groove; 54. a connecting shaft; 55. a third bevel gear; 56. a fourth bevel gear; 57. a threaded shaft; 58. a fifth bevel gear; 59. a sixth bevel gear; 61. a card slot; 62. clamping the strip; 63. a winding groove; 64. a mating groove; 65. cutting; 66. and (5) sticking a rubber paste.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Example 1:
the embodiment of the application discloses a construction method for hole digging, pouring and forming of a pouring pile.
Referring to fig. 1, a construction method for bored concrete pile hole-digging and pouring molding includes:
step 1: leveling a construction site, enclosing a drilling area on a construction foundation, paying off a pile position, and excavating a slurry pool and a slurry ditch; and (4) positioning the rotary excavating machine and correcting hole positions, drilling vertically downwards in the circled drilling area, and forming pile holes in the drilling area after the drilling operation is finished.
Wherein, drilling operation includes the drilling operation of rotary drilling machine and manual drilling operation, and this step 1 specifically includes:
step 1.1: and acquiring the underground cable burying depth interval data of the drilling area from the corresponding pipe network engineering drawing, and excavating to the minimum value of-1 m of the underground cable burying depth interval by adopting the drilling operation of a rotary excavator.
Step 1.2: and in the minimum value of-1 m between the ground and the underground cable embedding depth interval, installing a pile casing structure with the height specification of 1m every time the rotary excavator excavates 1 m.
Step 1.3: and starting from the second pile casing structure, every pile casing structure is connected with the previous pile casing structure through a connecting component.
Referring to fig. 2, the connecting assembly includes a clamping groove 61 and a clamping strip 62, specifically, on the same casing structure, the clamping groove 61 is opened on the top surface of the casing structure, the clamping strip 62 is fixed on the bottom surface of the casing structure, and the size of the clamping groove 61 is matched with the size of the clamping strip 62, two adjacent casing structures can be clamped by matching between the clamping groove 61 and the clamping strip 62, in addition, a winding groove 63 is opened on the inner wall of the casing structure, the winding groove 63 is communicated with the clamping groove 61, the clamping strip 62 is opened with a matching groove 64 whose size is matched with the size of the winding groove 63, after the clamping strip 62 is completely clamped in the clamping groove 61, the matching groove 64 is just communicated with the winding groove 63, by installing a cutting strip 65, the section of the cutting strip 65 is "T" -shaped, the cutting strip 65 can be sequentially inserted into the winding groove 63 and the matching groove 64, so as to lock the clamping strip 62 in the clamping groove 61, meanwhile, the rubber paste 66 is pasted on the inserting surface of the inserting strip 65, so that the tightness of the inserting strip 65 in the winding groove 63 and the matching groove 64 is effectively improved.
This step 1.3 implements the principle: a back protects a structure and inserts to a preceding one through card strip 62, draw-in groove 61 cooperation and protects a structure, and the staff protects a structure at a back and inserts to a preceding one and protects a structure after, and the installation is inserted strip 65, strikes and inserts strip 65 and makes strip 65 insert in proper order and encircle groove 63 and cooperation groove 64, protects a structure to two adjacent and fixes.
Step 1.4: and (3) drilling holes at the minimum value of-1 m of the underground cable embedding depth interval by adopting manual drilling, carrying out first-stage flattening inspection after digging 10cm until the minimum value of the underground cable embedding depth interval is dug, and still installing a pile casing structure with the height specification of 1m after digging 1 m.
Step 1.41: checking whether a cable protection cover is dug or not in time during the first section of the flattening inspection period, and moving the cable to the outer edge of the pile hole if the cable protection cover is dug; and if not, continuing to adopt manual drilling to dig to the minimum value of the underground cable burying depth interval.
Step 1.5: and (3) continuously drilling at the minimum value of the underground cable burying depth interval by adopting manual drilling, and after digging 10cm, carrying out second-stage flattening inspection until the maximum value of the underground cable burying depth interval is reached, and still installing a pile casing structure with the height specification of 1m every time 1m is dug.
Step 1.51: checking whether a cable protection cover is dug in time during the second stage of the flattening inspection period, and moving the cable to the outer edge of the pile hole if the cable protection cover is dug; and if not, continuing to adopt manual drilling to dig to the maximum value of the underground cable burying depth interval.
Step 1.6: and (3) continuously drilling at the maximum value of the underground cable embedding depth interval by adopting manual drilling, and after digging 10cm, carrying out third-stage leveling inspection until the maximum value of the underground cable embedding depth interval + 1m is reached, and still installing a pile casing structure with the height specification of 1m when digging 1 m.
Step 1.61: checking whether a cable protection cover is dug in time during the third stage of the leveling inspection period, and moving the cable to the outer edge of the pile hole if the cable protection cover is dug; and if the hole is not dug, the rotary drilling machine is changed to drill the hole to continue the downward drilling operation.
Step 1.7: and drilling the hole by using the rotary excavating machine until the pile hole is formed, recycling the slurry, removing waste slurry and sludge, cleaning the hole, changing the slurry, and performing final hole acceptance inspection on the final pile hole.
Step 2: and a steel reinforcement cage and a steel guide pipe are arranged in the pile hole.
And step 3: pouring concrete into the pile hole.
And 4, step 4: and (6) piling.
The embodiment of the application also discloses a pile casing structure.
Referring to fig. 3 and 4, a protect a structure, including protecting a body 1, protect a body 1 and be cylindric structure, protect a body 1 and wholly adopt steel to combine concrete reinforcement structure to pour the shaping, protect a body 1 thickness and be 10cm, the annular 11 has been seted up on protecting a body 1, annular 11 is to encircle the form and lays in the inner wall position department that protects a body 1, and simultaneously, the internal rotation is connected with swivel 12 in annular 11, specifically, the recess 121 has all been seted up to the interior roof and the interior diapire of this annular 11, swivel 12 inserts the part in annular 11, ball 122 is all installed to its top and bottom, the one end sphere and the recess 121 looks butt of ball 122, the one end sphere looks butt with swivel 12's ring body, swivel 12 can rotate freely in annular 11.
Meanwhile, referring to fig. 3 and 4, the mounting plate 2 is mounted on the part of the swivel 12 which is not inserted into the annular groove 11 and on one side surface of the swivel 12 away from the annular groove 11 in a bolt fixing manner, specifically, a mounting groove 21 with a size matched with the size of the mounting plate 2 is further formed in the position of the inner wall of the casing body 1, a cover plate 22 is hinged to the edge of the top of the mounting groove 21, and the cover plate 22 can cover the annular groove 11 and the mounting groove 21.
Meanwhile, referring to fig. 3 and 4, a vertical groove 31 is formed in one side of the mounting plate 2, which deviates from the swivel 12, two vertical grooves 31 are formed in the same mounting plate 2, the two vertical grooves 31 are vertically formed and are symmetrically arranged on the mounting plate 2, a sliding block 32 is movably connected in each vertical groove 31, the sliding block 32 can slide in the vertical groove 31, and the number of the sliding blocks 32 is two when the sliding blocks 32 are consistent with the vertical grooves 31.
Referring to fig. 3 and 4, a driving member 331 is installed at a side position of the mounting plate 2 where the vertical groove 31 is opened, specifically, the driving member 331 may adopt a servo motor in this embodiment, a driving shaft is installed at an output end position of the driving member 331, a first bevel gear is installed at an end of the driving shaft away from the driving member 331, the driving member 331 can drive the first bevel gear to rotate, on the other hand, a driven shaft is also installed at a side position of the mounting plate 2 where the vertical groove 31 is opened, and a second bevel gear is installed on a shaft body of the driven shaft, the second bevel gear is engaged with the first bevel gear, so that the rotation of the driving member 331 can drive the first bevel gear and the second bevel gear to rotate, and secondly, in this embodiment, a protective shell 336 is installed on the mounting plate 2 in a matching manner, and the protective shell 336 can connect the driving member 331 and the protective shell 336, The drive shaft, the first bevel gear, the driven shaft, and the second bevel gear (the drive shaft, the first bevel gear, the driven shaft, and the second bevel gear are not shown in the drawing because the protective case 336 is provided in the cover) are covered and effectively protected.
Referring to fig. 3 and 4, in this embodiment, the protective shell 336 is inserted through one end of the driven shaft, which is far away from the mounting plate 2, the side wall of the end of the driven shaft, which penetrates out, is provided with two columns 341, the two columns 341 are symmetrically assembled on the driven shaft, the cross section of the overall combination structure of the driven shaft and the two columns 341 is "T" -shaped, the columns 341 are sleeved with sleeves 342, the diameter of each sleeve 342 is larger than that of each column 341, each column 341 can be inserted and moved in each sleeve 342, meanwhile, a compression spring 343 is fixed at the insertion end of each column 341, and one end of each compression spring 343, which is far away from each column 341, is fixed at the inner wall of the sleeve 342.
Referring to fig. 3 and 4, the two sets of bars 342 are respectively and rotatably connected to the opposite side walls of the two sliders 32 at the positions of the ends away from the driven shaft in a hinged manner, and when the slider 32 is at the shortest position away from the driven shaft, the compression spring 343 is in a compressed state; when the slider 32 is at the position farthest from the driven shaft, the compression spring 343 is still in a compressed state, so that after the driving member 331 rotates to drive the driven shaft to rotate, the driven shaft can drive the slider 32 to displace along the extending direction of the vertical slot 31 by means of the matching arrangement of the sleeve strip 342, the column strip 341 and the compression spring 343.
Furthermore, referring to fig. 3 and 4, a convex strip 344 is fixed at an outer wall position of the column 341, four convex strips 344 are correspondingly arranged on the single column 341, a strip groove body 345 is formed through a side wall of the sleeve 342, the number of the strip groove bodies 345 is the same as that of the convex strips 344, the size of the convex strip 344 is matched with that of the strip groove body 345, the convex strip 344 is connected to the strip groove body 345 in a sliding manner, the column 341 can be stably sleeved on the sleeve 342 through the matching arrangement of the convex strip 344 and the strip groove body 345, and thus the movement of the driven shaft can stably drive the sliding block 32 to displace along the vertical groove 31.
Referring to fig. 3 and 4, the electromagnetic wave detection member 4 is installed on a side surface of the slide block 32 away from the vertical slot 31 in a manner of being hinged and rotatably connected through a shaft body, the electromagnetic wave detection member 4 can be a cable detector in this embodiment, wherein the electromagnetic wave detection member 4 is hinged to the slide block 32 tightly, the electromagnetic wave output end of the electromagnetic wave detection member 4 is downward output, and the emission frequency of the electromagnetic wave detection member 4 is 1KHz and the beat frequency is 1.5Hz, so that the underground cable can be effectively detected.
Example 2:
referring to fig. 5, the difference from embodiment 1 lies in that the driving member in this embodiment is different, in this embodiment, the driving member includes a power element 51, the power element 51 adopts a servo motor, a placing groove 52 is opened at a side position of the mounting plate 2 away from the rotating ring 12, the power element 51 is installed in the placing groove 52, meanwhile, a transverse groove 53 is opened on the mounting plate 2 in communication with the placing groove 52 and vertically, two ends of the transverse groove 53 are respectively communicated with the two vertical grooves 31, so that the integral combination structure of the two vertical grooves 31 and the transverse groove 53 is "u" shaped.
The connecting shafts 54 are rotatably connected in the transverse grooves 53, two connecting shafts 54 are provided, the two connecting shafts 54 are respectively positioned at two sides of the placing groove 52, the output end of the power part 51 is provided with a third bevel gear 55, the opposite ends of the two connecting shafts 54 are respectively fixed with a fourth bevel gear 56, the two fourth bevel gears 56 are respectively meshed with the third bevel gear 55, and the two fourth bevel gears 56 are oppositely arranged, so that when the power part 51 drives the third bevel gear 55 to rotate, the two fourth bevel gears 56 can be driven to reversely rotate, and then the connecting shafts 54 are driven to reversely rotate.
A threaded shaft 57 is rotatably connected in each of the two vertical slots 31, a shaft body part of the threaded shaft 57 penetrates through a part of the slider 32 in the vertical slot 31, a sixth bevel gear 59 is further fixed on the shaft body of the threaded shaft 57, a fifth bevel gear 58 is fixed at one end of the connecting shaft 54 away from the fourth bevel gear 56 on the connecting shaft, and the fifth bevel gear 58 is meshed with the sixth bevel gear 59, so that the rotation of the connecting shaft 54 can drive the threaded shaft 57 to rotate, the slider 32 is driven to displace along the extending direction of the vertical slot 31, the electromagnetic wave detector 4 is driven to displace, and the distance of the electromagnetic wave detector 4 can be adjusted.
The above are all preferred embodiments of the present application, and the present embodiment is only explained for the present application, and the protection scope of the present application is not limited by this, 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 (4)
1. A construction method for cast-in-place pile drilling, pouring and forming comprises the following steps:
step 1: a drilling area is defined on the construction foundation, drilling operation is carried out on the defined drilling area downwards towards the vertical direction, and after the drilling operation is finished, pile holes at the drilling area are formed;
step 2: installing a reinforcement cage in the pile hole;
and step 3: pouring concrete into the pile hole;
and 4, step 4: forming a pile;
characterized in that the drilling operation comprises a rotary drilling machine drilling operation and a manual drilling operation,
the step 1 comprises the following steps:
step 1.1: acquiring underground cable burying depth interval data of a drilling area in a corresponding pipe network engineering drawing, and excavating to the minimum value of-1 m of the underground cable burying depth interval by adopting a rotary excavating machine drilling operation;
step 1.2: mounting a pile casing structure with the height specification of 1m within the minimum value of-1 m from the ground to the underground cable embedding depth interval every time the rotary excavator excavates 1 m;
step 1.3: from the second pile casing structure, every pile casing structure is connected with the previous pile casing structure through a connecting component;
step 1.4: drilling holes at the minimum value of-1 m in the underground cable embedding depth interval by adopting manual drilling, and carrying out first-stage flattening inspection after digging 10cm until the minimum value of the underground cable embedding depth interval is dug, wherein a pile casing structure with the height specification of 1m is still installed after digging 1 m;
step 1.41: checking whether a cable protection cover is dug or not in time during the first-stage leveling inspection period, and moving the cable to the outer edge of the pile hole if the cable protection cover is dug; if not, continuing to adopt manual drilling to dig to the minimum value of the underground cable burying depth interval;
step 1.5: drilling holes at the minimum value of the underground cable embedding depth interval by adopting manual drilling, and performing second-stage flattening inspection after digging 10cm till the maximum value of the underground cable embedding depth interval is reached, wherein a pile casing structure with the height specification of 1m is still installed after digging 1 m;
step 1.51: checking whether a cable protection cover is dug in time during the second stage of leveling inspection, and moving the cable to the outer edge of the pile hole if the cable protection cover is dug; if not, continuing to adopt manual drilling to dig to the maximum value of the underground cable burying depth interval;
step 1.6: drilling at the maximum value of the underground cable embedding depth interval by adopting manual drilling, and after digging 10cm, carrying out third-stage leveling inspection until the maximum value of the underground cable embedding depth interval + 1m is reached, wherein a pile casing structure with the height specification of 1m is still installed after digging 1 m;
step 1.61: checking whether a cable protection cover is dug in time during the third stage of the leveling inspection period, and moving the cable to the outer edge of the pile hole if the cable protection cover is dug; if the hole is not dug, the rotary digging machine is changed to drill a hole to continue to drill the hole downwards;
step 1.7: drilling a hole by the rotary digging machine until a pile hole is formed,
wherein, protect a structure including protecting a body (1), protect a body (1) inner wall and seted up annular (11), annular (11) internal rotation is connected with change (12), change (12) are kept away from a lateral wall position department of annular (11) installs electromagnetic wave detection piece (4), the output direction of electromagnetic wave detection piece (4) is output downwards, the emission frequency of electromagnetic wave detection piece (4) is 1KHz, beat frequency 1.5Hz, wherein, mounting panel (2) are installed to change (12) outer wall, one side that mounting panel (2) deviate from change (12) is provided with the position adjustment subassembly, electromagnetic wave detection piece (4) are installed the position adjustment subassembly is kept away from one side of change (12), the position adjustment subassembly is used for adjusting the position of electromagnetic wave detection piece (4) on protecting a body (1), wherein the position adjustment assembly comprises: a vertical groove (31) vertically formed on the mounting plate (2); a sliding block (32) connected in the vertical groove (31) in a sliding manner; and a driving part installed on the mounting plate (2) for driving the slider (32) to displace along the vertical groove (31), wherein the electromagnetic wave detecting member (4) is installed on a side of the slider (32) facing away from the vertical groove (31), wherein the driving part comprises: a drive member (331) mounted on the mounting plate (2); a drive shaft mounted at the output end of the drive member (331); a linkage portion fitted to an end of the drive shaft remote from the driver (331); and a connecting part assembled with the side wall of the sliding block (32), wherein one end of the connecting part, which is far away from the sliding block (32), is assembled with the linkage part, and the linkage part comprises: a first bevel gear mounted on an end of the drive shaft remote from the drive member (331); a driven shaft rotatably connected to the mounting plate (2); and install on the driven shaft, and with the second bevel gear of first bevel gear engaged with, wherein, mounting panel (2) upper cover is equipped with protective housing (336), the driven shaft with the connecting portion assembly, wherein, connecting portion include: a column (341) mounted at one end of the driven shaft away from the mounting plate (2); a sleeve strip (342) sleeved on the strip body of the column strip (341); and the compression spring (343) is installed between the strap (342) and the column (341), wherein one end of the compression spring (343) is fixed with one side of the strap (342) close to the column (341), the other end of the compression spring is fixed with one side of the column (341) close to the strap (342), and one end of the strap (342) far away from the column (341) is rotatably connected with the sliding block (32).
2. The bored concrete pile cast-in-place construction method according to claim 1, wherein two vertical grooves (31) are formed, the two vertical grooves (31) are symmetrically formed in the mounting plate (2), the driven shaft is located at the position of the mounting plate (2) between the two vertical grooves (31), the two groups of connecting portions are symmetrically assembled at the end of the driven shaft.
3. The bored concrete pile drilling, pouring and forming construction method according to claim 1, characterized in that a protruding strip (344) is fixed at the outer wall position of the column (341), a strip groove (345) is formed in the side wall of the casing strip (342), the size of the protruding strip (344) is matched with the size of the strip groove (345), and the protruding strip (344) is connected to the strip groove (345) in a sliding manner.
4. The construction method for bored concrete pile drilling, pouring and forming according to claim 1, wherein said electromagnetic wave detecting member (4) is rotatably connected to said slide block (32).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2019094711A (en) * | 2017-11-27 | 2019-06-20 | 株式会社大林組 | Shape evaluation method of underground object and underground object measurement device |
| CN110004992A (en) * | 2019-04-19 | 2019-07-12 | 贵州省交通规划勘察设计研究院股份有限公司 | It is a kind of can real-time monitoring bored pile construction device and its application method |
| CN209339130U (en) * | 2018-12-27 | 2019-09-03 | 秭归县交通运输局 | Deep water foundation foundation pit drilling construction and underwater concrete construction synchronization monitoring instrument |
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| US20120200452A1 (en) * | 2011-02-08 | 2012-08-09 | Piletrac, LLC | Method and apparatus for calculating the displacement and velocity of impact-driven piles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019094711A (en) * | 2017-11-27 | 2019-06-20 | 株式会社大林組 | Shape evaluation method of underground object and underground object measurement device |
| CN209339130U (en) * | 2018-12-27 | 2019-09-03 | 秭归县交通运输局 | Deep water foundation foundation pit drilling construction and underwater concrete construction synchronization monitoring instrument |
| CN110004992A (en) * | 2019-04-19 | 2019-07-12 | 贵州省交通规划勘察设计研究院股份有限公司 | It is a kind of can real-time monitoring bored pile construction device and its application method |
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