CN116575861B - Edge support type foundation pile drilling device for house building construction and construction method - Google Patents
Edge support type foundation pile drilling device for house building construction and construction method Download PDFInfo
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- CN116575861B CN116575861B CN202310846033.7A CN202310846033A CN116575861B CN 116575861 B CN116575861 B CN 116575861B CN 202310846033 A CN202310846033 A CN 202310846033A CN 116575861 B CN116575861 B CN 116575861B
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- fixed sleeve
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- 238000005553 drilling Methods 0.000 title claims abstract description 46
- 238000009435 building construction Methods 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title abstract description 7
- 238000000034 method Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
- E21B7/30—Enlarging drilled holes, e.g. by counterboring without earth removal
Abstract
The invention relates to the technical field of pile foundation drilling, in particular to an edge support type foundation pile drilling device for building construction and a construction method. The invention ensures that the whole side wall of the top of the pile foundation hole can not generate local collapse phenomenon when the drill bit drills, and simultaneously the roller can not be blocked into the side wall of the top of the pile foundation hole when the drill bit drills, so that the situation of local collapse can not occur when the drill bit is taken out after the drilling work is completed.
Description
Technical Field
The invention relates to the technical field of pile foundation drilling, in particular to an edge support type foundation pile drilling device for house building construction and a construction method.
Background
Civil engineering is a generic term of science and technology for building various land engineering facilities; that is, various engineering facilities constructed on the ground, underground, or land, which directly or indirectly serve for human life, production, military, and scientific research, require foundation piles to be installed and drilling machines to drill holes in the ground when civil engineering construction is performed. The existing foundation pile drilling device is usually used for directly punching holes when punching construction is carried out, along with continuous deep drilling of a drill bit, the opening of a pile foundation hole is easy to loosen due to continuous vibration, the edge of the pile foundation hole is easy to loose and collapse, and soil blocks on the side wall of the pile foundation hole are easy to fall off.
Chinese patent application CN115961879a discloses a pile foundation drilling equipment that can support the edge and its application method, move down through the drill bit and drive the mount pad and press the seat and move down in step, press the seat and be in relative stationary state this moment, when mount pad and the top lateral wall in stake foundation hole contact, press seat and mount pad to take place relative slip, thereby the inside interior supporting shoe of mount pad will move along the radial of mount pad and support the top in stake foundation hole this moment, but this scheme is when using because all interior supporting shoes can't fully laminate simultaneously with all lateral walls in stake foundation hole, the partial phenomenon of collapsing still appears in the part that does not contact with interior supporting shoe on the stake foundation hole, interior supporting shoe also has the condition of card income pile foundation hole lateral wall to appear simultaneously, thereby cause partial collapse when leading to the mount pad to break away from the stake foundation hole.
Disclosure of Invention
To above-mentioned problem, provide a house construction is with edge support formula foundation pile drilling equipment, thereby rotate around the axis of stake foundation hole through the cylinder and extrude and consolidate the earth of pile foundation hole top lateral wall, make the distance between the cylinder pile foundation hole axis can change through movable frame and fixed sleeve cooperation, inject the time that the fixed sleeve carries out circular motion to the cylinder with fixed ring cooperation.
For solving prior art problem, provide a building construction is with edge support formula foundation pile drilling equipment, including the drill bit, drilling rod and protection component, protection component is including fixed sleeve, the fly frame, cylinder and fixed ring, fixed sleeve coaxial movable sleeve is established on the drilling rod, the fly frame slides outside fixed sleeve along fixed sleeve's radial direction, the axis of cylinder is parallel with fixed sleeve and the cylinder moves along the fly frame, fixed ring coaxial fixed sleeve is established on the drilling rod, fixed sleeve is in between drill bit and the fixed ring, when fixed ring's bottom surface and ground contact, fixed ring can slide along the axial direction of drilling rod, fixed sleeve can rotate along following the drilling rod, the fly frame moves to keeping away from fixed sleeve's direction.
Preferably, the fixed sleeve further comprises a fixing frame and first movable strips, the number of the fixing frames is three, the fixing frames are evenly arranged around the axis of the fixed sleeve, the fixing frame is in a U shape formed by a cross rod and two longitudinal rods, the two longitudinal rods in the fixing frame are arranged along the axis direction of the fixed sleeve, the two longitudinal rods in the fixing frame extend towards the direction away from the fixed sleeve, grooves capable of enabling the first movable strips to slide are formed in the longitudinal rods in the fixing frame, the sliding direction of the first movable strips is parallel to the diameter direction of the fixed sleeve, the first movable strips can slide to the outside of the fixing frame, through holes capable of enabling the first movable strips to pass through are formed in the fixed sleeve, first sliding grooves capable of being in sliding fit with the first movable strips are formed in the drill rod, the length direction of the first sliding grooves are parallel to the axis of the drill rod, and the movable frames are arranged inside the fixing frame in a sliding mode.
Preferably, the protection assembly further comprises a movable rod and a pull rope, the movable rod can be rotatably arranged between the two longitudinal rods in the fixing frame, the axis of the movable rod is parallel to the axis of the fixing sleeve, the movable frame is in a U shape formed by a cross rod and the two longitudinal rods, the two longitudinal rods in the movable frame are arranged in the direction away from the fixing sleeve, one end of the pull rope is fixedly connected with the side wall of the movable rod, the other end of the pull rope is fixedly connected with the cross rod in the movable frame, and a first elastic connecting piece is fixedly arranged between the cross rod in the movable frame and the fixing frame.
Preferably, the movable rod further comprises gears, the gears are coaxially arranged at two ends of the movable rod in a sliding mode, the gears can synchronously rotate along with the movable rod, and racks capable of being meshed with the gears are fixedly arranged on the first movable strip.
Preferably, the movable rod further comprises a clamping shaft and a second elastic connecting piece, the movable shaft is coaxially arranged at two ends of the movable rod in a sliding mode, the shaft center of the gear is provided with a clamping hole for the clamping shaft to insert, the second elastic connecting piece is fixedly arranged between the movable rod and the clamping shaft, one end of the first movable strip is of an L shape and is arranged towards the direction close to the fixed sleeve, two second sliding grooves are formed in two longitudinal rods of the movable frame, the length direction of each second sliding groove is parallel to the sliding direction of the movable frame, and limiting protrusions which can be in sliding fit with the second sliding grooves are fixedly arranged on the fixed frame.
Preferably, two parallel second sliding grooves are arranged on each longitudinal rod of the movable frame.
Preferably, the protection assembly further comprises a first movable ring, a second movable strip sliding along the radial direction of the fixed ring is arranged inside the fixed ring, the second movable strip can penetrate through the inner side wall of the fixed ring, positioning holes for the second movable strip to be inserted are formed in the drill rod, the number of the positioning holes is three, the positioning holes are evenly formed around the axis of the drill rod, the first movable ring is coaxially arranged below the fixed ring in a sliding mode, a fixing protrusion is fixedly arranged on one face of the first movable ring upwards, and a first guide groove which can be in sliding fit with the second movable strip is formed in the fixing protrusion.
Preferably, the fixed ring further comprises a third movable strip, the third movable strip is arranged in the fixed ring in a sliding mode, the number of the second movable strips and the number of the first movable strips are equal and are arranged at intervals, the sliding direction of the third movable strip is parallel to the diameter direction of the fixed ring, a second guide groove which can be in sliding fit with the third movable strip is formed in the fixed protrusion, a threaded hole is formed in the third movable strip, a fixed shaft which can be in threaded fit with the threaded hole is fixedly arranged on the first movable strip, and a third elastic connecting piece is fixedly arranged between the first movable strip and the fixed frame.
Preferably, the protection assembly further comprises a second movable ring, the second movable ring is coaxially arranged above the fixed circular ring in a sliding manner, a fourth elastic connecting piece is fixedly arranged between the second movable ring and the fixed circular ring, and a magnetic piece which can be in opposite magnetic fit with the second movable ring is fixedly arranged at one upward end of the fixed protrusion.
An edge support type foundation pile drilling method for building construction adopts an edge support type foundation pile drilling device for building construction, which comprises the following steps:
s1, a drill rod drives a drill bit to rotate and simultaneously drives the drill bit to downwards enter the ground along the vertical direction to form a pile foundation hole, a protection assembly moves along with the drill bit to the pile foundation hole, at the moment, a fixed sleeve is coaxially and movably matched with the drill rod, a roller is positioned close to the axis of the fixed sleeve, and a fixed ring is coaxially fixed with the drill rod;
s2, when the fixed sleeve enters the pile foundation hole and the fixed ring is in contact with the ground, the fixed ring can axially slide along the drill rod, the roller is positioned at a position far away from the axis of the fixed sleeve and is in contact with the side wall of the pile foundation hole, and the fixed sleeve is radially fixed with the drill rod;
s3, along with the continuous deep ground of the drill bit, the roller performs circular motion around the axis of the drill rod and simultaneously performs rotary motion, so that the top side wall of the pile foundation hole is continuously extruded and reinforced, and local collapse is avoided.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the roller rotates around the axis of the pile foundation hole to extrude and reinforce soil on the side wall of the pile foundation hole top, the distance between the roller and the pile foundation hole axis can be changed through the cooperation of the movable frame and the fixed sleeve, and the roller completely enters the pile foundation hole to perform circular motion through the cooperation of the fixed sleeve and the fixed circular ring, so that the phenomenon that the whole side wall of the pile foundation hole top is partially collapsed when a drill bit performs drilling work is avoided, and meanwhile, the roller is not blocked into the side wall of the pile foundation hole top when the drill bit drills, and then the situation that the drill bit is partially collapsed when the drill bit is taken out after the drilling work is completed is avoided.
Drawings
FIG. 1 is a schematic perspective view of an edge-supported foundation pile drilling device for building construction;
FIG. 2 is a front view of an edge-supported foundation pile drilling device for building construction;
FIG. 3 is a schematic cross-sectional view of a hole drilling device for edge-supported foundation piles for building construction;
FIG. 4 is an enlarged partial schematic view of FIG. 3A;
FIG. 5 is a schematic sectional view II of an edge-supported foundation pile drilling device for building construction;
FIG. 6 is an enlarged partial schematic view of B in FIG. 5;
FIG. 7 is an exploded perspective view of a protective assembly in an edge-supported foundation pile drilling apparatus for use in building construction;
FIG. 8 is an exploded perspective view of the stationary sleeve of the protective assembly;
FIG. 9 is an exploded perspective view of the mount in the mount sleeve;
fig. 10 is an exploded perspective view of the securing ring in the protective assembly.
The reference numerals in the figures are: 1-a drill bit; 2-a drill rod; 21-a first chute; 22-positioning holes; 3-a protection component; 31-fixing the sleeve; 311-fixing frame; 3111-grooves; 3112-limit protrusions; 312-a first activity bar; 3121-racks; 3122-fixed shaft; 3123-a third elastic connection; 313-through holes; 32-a movable frame; 321-a first elastic connection; 322-second chute; 33-roller; 34-fixing the ring; 341-a second activity bar; 342-a third activity bar; 3421-threaded holes; 35-a movable rod; 351-a gear; 3511-snap-fit holes; 352-clamping the shaft; 353-a second resilient connector; 36-pulling rope; 37-a first movable ring; 371-fixing protrusions; 372-a first guide slot; 373-a second guide groove; 374-magnetic member; 38-a second movable ring; 381-fourth elastic connection.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1, fig. 4 and fig. 6, an edge support type foundation pile drilling device for building construction comprises a drill bit 1, a drill rod 2 and a protection component 3, wherein the protection component 3 comprises a fixed sleeve 31, a movable frame 32, a roller 33 and a fixed circular ring 34, the fixed sleeve 31 is coaxially and movably sleeved on the drill rod 2, the movable frame 32 slides outside the fixed sleeve 31 along the radial direction of the fixed sleeve 31, the axis of the roller 33 is parallel to the fixed sleeve 31 and the roller 33 moves along the movable frame 32, the fixed circular ring 34 is coaxially and fixedly sleeved on the drill rod 2, the fixed sleeve 31 is positioned between the drill bit 1 and the fixed circular ring 34, when the bottom surface of the fixed circular ring 34 contacts with the ground, the fixed circular ring 34 can slide along the axial direction of the drill rod 2, the fixed sleeve 31 can rotate along with the drill rod 2, and the movable frame 32 moves away from the fixed sleeve 31.
The whole device is moved to a working position, a servo motor is connected to the other end of the drill rod, the servo motor is started to enable the drill rod 2 to drive the drill bit 1 to rotate, the drill rod 2 is moved in the vertical direction to drive the drill bit 1 to downwards enter the ground to form a pile foundation hole, the protection component 3 moves along with the drill bit 1 towards the inside of the pile foundation hole, at the moment, the fixed sleeve 31 is in coaxial movable fit with the drill rod 2, the roller 33 is positioned close to the axis of the fixed sleeve 31, the fixed ring 34 is coaxially fixed with the drill rod 2, when the fixed sleeve 31 enters the inside of the hole and the fixed ring 34 is contacted with the ground, at the moment, the fixed ring 34 can axially slide along the drill rod 2, the roller 33 is positioned far away from the axis of the fixed sleeve 31 and is contacted with the side wall of the pile foundation hole, the fixed sleeve 31 is radially fixed with the drill rod 2, at the moment, the fixed sleeve 31 piece follows the rotation along with the rotation of the drill rod 2, compared with the prior art, the roller 33 rotates around the axis of the pile foundation hole to squeeze and strengthen soil on the top side wall of the pile foundation hole, the distance between the roller 33 and the axis of the pile foundation hole can be changed through the cooperation of the movable frame 32 and the fixed sleeve 31, the roller 33 completely enters the inside of the pile foundation hole to perform circular motion through the cooperation of the fixed sleeve 31 and the fixed ring 34, so that the phenomenon of local collapse of the whole side wall of the top of the pile foundation hole is avoided when the drill bit 1 drills is ensured, meanwhile, the roller 33 is not blocked into the side wall of the top of the pile foundation hole when the drill bit 1 drills, so that no partial collapse will occur when the drill bit 1 is removed after the drilling operation is completed.
See fig. 2 and 7-9: the fixed sleeve 31 further comprises three fixed frames 311 and first movable strips 312, the fixed frames 311 are evenly arranged around the axis of the fixed sleeve 31, the fixed frames 311 are in a U shape formed by a cross rod and two longitudinal rods, the two longitudinal rods in the fixed frames 311 are distributed along the axis direction of the fixed sleeve 31, the two longitudinal rods in the fixed frames 311 extend towards the direction far away from the fixed sleeve 31, grooves 3111 for the first movable strips 312 to slide are formed in the longitudinal rods in the fixed frames 311, the sliding direction of the first movable strips 312 is parallel to the diameter direction of the fixed sleeve 31, the first movable strips 312 can slide to the outside of the fixed frames 311, through holes 313 for the first movable strips 312 to pass through are formed in the fixed sleeve 31, first sliding grooves 21 capable of being in sliding fit with the first movable strips 312 are formed in the drill rod 2, the length direction of the first sliding grooves 21 is parallel to the axis of the drill rod 2, and the movable frames 32 are arranged inside the fixed frames 311 in a sliding mode.
When the fixed ring 34 is not contacted with the ground, the fixed ring 34 is fixedly connected with the drill rod 2 coaxially, at this time, the first movable strip 312 passes through the through hole 313 and does not enter the first chute 21, at this time, the fixed sleeve ring can be movably connected with the drill rod 2 coaxially, when the fixed ring 34 is contacted with the ground, at this time, the first movable strip 312 is inserted into the first chute 21, the fixed ring 34 is released from being fixedly connected with the drill rod 2 coaxially, and the fixed sleeve 31 drives the roller 33 to rotate.
See fig. 2 and 7-9: the protection component 3 further comprises a movable rod 35 and a pull rope 36, the movable rod 35 can be rotatably arranged between two longitudinal rods in the fixed frame 311, the axis of the movable rod 35 is parallel to the axis of the fixed sleeve 31, the movable frame 32 is in a U shape formed by a cross rod and two longitudinal rods, the two longitudinal rods in the movable frame 32 are arranged in the direction away from the fixed sleeve 31, one end of the pull rope 36 is fixedly connected with the side wall of the movable rod 35, the other end of the pull rope 36 is fixedly connected with the cross rod in the movable frame 32, and a first elastic connecting piece 321 is fixedly arranged between the cross rod in the movable frame 32 and the fixed frame 311.
The movable rod 35 rotates in one direction to wind the pull rope 36, the movable frame 32 is continuously close to the movable rod 35 under the action of the pull rope 36, the first elastic connecting piece 321 is continuously compressed, the movable rod 35 rotates in the other direction to release the pull rope 36, and the first elastic connecting piece 321 recovers the deformation to release elastic force to push the movable frame 32 to be far away from the fixed sleeve 31 at the moment.
See fig. 2 and 7-9: the movable rod 35 further comprises a gear 351, the gear 351 is coaxially and slidably arranged at two ends of the movable rod 35, the gear 351 can synchronously rotate along with the movable rod 35, and the first movable bar 312 is fixedly provided with a rack 3121 capable of being meshed with the gear 351.
Compared with the prior art that the gear 351 and the rack 3121 cooperate to enable the movement of the first movable bar 312 to drive the movable rod 35 to rotate, thereby ensuring that the horizontal movement of the roller 33 is performed before the circular movement of the roller 33.
See fig. 2 and 7-9: the movable rod 35 further comprises a clamping shaft 352 and a second elastic connecting piece 353, the clamping shaft 352 is coaxially and slidably arranged at two ends of the movable rod 35, a clamping hole 3511 for the clamping shaft 352 to insert is formed in the axis of the gear 351, the second elastic connecting piece 353 is fixedly arranged between the movable rod 35 and the clamping shaft 352, one end of the first movable strip 312 is L-shaped, one end of the first movable strip 312 is arranged towards the direction close to the fixed sleeve 31, second sliding grooves 322 are formed in two longitudinal rods in the movable frame 32, the length direction of the second sliding grooves 322 is parallel to the sliding direction of the movable frame 32, and limiting protrusions 3112 which can be in sliding fit with the second sliding grooves 322 are fixedly arranged on the fixed frame 311.
Pressing the first movable bar 312 along the axial direction of the fixed sleeve 31 to approach the fixed frame 311, then pushing the first movable bar 312 along the diameter direction of the fixed sleeve 31 to be far away from the fixed sleeve 31, at this time, disconnecting the fixed frame 311 from the fixed sleeve 31, taking the first movable bar 312 off the fixed frame 311 after taking down the fixed frame 311, then controlling the two gears 351 to be separated from the clamping shaft 352, taking the movable bar 35 out of the fixed frame 311 after pressing the clamping shaft 352 to enter the movable bar 35, at this time, sliding the movable frame 32 to take the movable frame 32 out of the fixed frame 311.
See fig. 2 and 7-9: two parallel second sliding grooves 322 are arranged on each longitudinal rod in the movable frame 32.
The two limiting protrusions 3112 will always be engaged with the two second sliding grooves 322 when the movable frame 32 slides, and compared with the prior art, the second sliding grooves 322 of the present invention limit the number and positions thereof, thereby limiting the moving state of the movable frame 32.
See fig. 2, 7 and 10: the protection assembly 3 further comprises a first movable ring 37, a second movable strip 341 sliding along the radial direction of the fixed ring 34 is arranged inside the fixed ring 34, the second movable strip 341 can penetrate through the inner side wall of the fixed ring 34, positioning holes 22 for the second movable strip 341 to be inserted are formed in the drill rod 2, the number of the positioning holes 22 is three, the positioning holes 22 are uniformly formed around the axis of the drill rod 2, the first movable ring 37 is coaxially and slidably arranged below the fixed ring 34, a fixing protrusion 371 is fixedly arranged on one face of the first movable ring 37, and a first guide groove 372 which can be in sliding fit with the second movable strip 341 is formed in the fixing protrusion 371.
Compared with the prior art, the first movable ring 37, the first guide groove 372 and the second movable ring 341 enable the fixed state of the fixed ring 34 and the drill rod 2 to be automatically released, so that the condition that the fixed ring 34 and the drill rod 2 are continuously moved downwards along the vertical direction when the fixed ring 34 is contacted with the ground due to untimely manual control is avoided.
See fig. 2, 7 and 10: the fixed ring 34 further comprises a third movable bar 342, the third movable bar 342 is slidably disposed in the fixed ring 34, the number of the second movable bars 341 and the number of the first movable bars 312 are equal and are disposed at intervals, the sliding direction of the third movable bar 342 is parallel to the diameter direction of the fixed ring 34, a second guiding groove 373 which can be slidably matched with the third movable bar 342 is formed in the fixed protrusion 371, a threaded hole 3421 is formed in the third movable bar 342, a fixed shaft 3122 which can be in threaded fit with the threaded hole 3421 is fixedly disposed on the first movable bar 312, and a third elastic connecting member 3123 is fixedly disposed between the first movable bar 312 and the fixed frame 311.
The first movable ring 37 contacts with the ground so as to move upwards to be attached to the fixed ring 34, at this time, the second guiding groove 373 enables the third movable bar 342 to approach the drill rod 2 along the diameter direction of the drill rod 2, the second movable bar 341 drives the first movable bar 312 to move through the cooperation of the fixed shaft 3122 and the threaded hole 3421 when moving, the third elastic connecting piece 3123 is stretched at this time, when the first movable ring 37 is not in contact with the ground, the third elastic connecting piece 3123 is subjected to recovery deformation to provide a pulling force so that the first movable bar 312 is far away from the drill rod 2, compared with the prior art, the third movable bar 342 can drive the first movable bar 312 to move, so that the roller 33 is completely moved into the pile hole to automatically contact the roller 33 with the side wall of the pile hole.
See fig. 2, 7 and 10: the protection component 3 further comprises a second movable ring 38, the second movable ring 38 is coaxially and slidably arranged above the fixed circular ring 34, a fourth elastic connecting piece 381 is fixedly arranged between the second movable ring 38 and the fixed circular ring 34, and a magnetic piece 374 which can be in anisotropic magnetic fit with the second movable ring 38 is fixedly arranged at one upward end of the fixed protrusion 371.
The upward moving first movable ring 37 will fix its position by the cooperation of the magnetic member 374 and the second movable ring 38, when the drill bit 1 is separated from the pile foundation hole in the vertical direction, the second movable ring 38 is controlled to move a distance upward in the vertical direction, the fourth elastic connection member 381 is stretched, the position of the first movable ring 37 cannot be fixed and is moved to the initial position by the third elastic connection member 3123, the second movable ring 38 is released, the fourth elastic connection member 381 is subjected to restoring deformation to provide a pulling force so that the second movable ring 38 is moved to the initial position, and compared with the prior art, the magnetic member 374 and the second movable ring 38 of the present invention enable the position between the first movable ring 37 and the fixed ring 34 to be fixed and released, thereby enabling the protection assembly 3 to be used a plurality of times.
See fig. 1, 4 and 6: an edge support type foundation pile drilling method for building construction adopts an edge support type foundation pile drilling device for building construction, which comprises the following steps:
s1, the drill rod 2 drives the drill bit 1 to rotate and simultaneously drives the drill bit 1 to downwards enter the ground along the vertical direction to form a pile foundation hole, the protection component 3 moves along with the drill bit 1 towards the inside of the pile foundation hole, at the moment, the fixed sleeve 31 is coaxially and movably matched with the drill rod 2, the roller 33 is positioned close to the axis of the fixed sleeve 31, and the fixed ring 34 is coaxially fixed with the drill rod 2;
s2, when the fixed sleeve 31 enters the pile foundation hole and the fixed ring 34 is in contact with the ground, the fixed ring 34 can axially slide along the drill rod 2, the roller 33 is positioned far away from the axis of the fixed sleeve 31 and is in contact with the side wall of the pile foundation hole, and the fixed sleeve 31 and the drill rod 2 are radially fixed;
s3, as the drill bit 1 continuously goes deep into the ground, the roller 33 performs circular motion around the axis of the drill rod 2 and simultaneously performs rotary motion, so that the top side wall of the pile foundation hole is continuously extruded and reinforced, and local collapse is avoided.
Compared with the prior art, the roller 33 rotates around the axis of the pile foundation hole so as to squeeze and reinforce soil on the side wall of the pile foundation hole top, the distance between the axes of the pile foundation hole of the roller 33 can be changed through the cooperation of the movable frame 32 and the fixed sleeve 31, and the roller 33 completely enters the pile foundation hole through the cooperation of the fixed sleeve 31 and the fixed circular ring 34 so as to perform circular motion, thereby ensuring that the whole side wall of the pile foundation hole top can not partially collapse when the drill bit 1 performs drilling work, simultaneously the roller 33 can not be blocked into the side wall of the pile foundation hole top when the drill bit 1 drills, and further, the situation of partially collapsing can not occur when the drill bit 1 is taken out after the drilling work is completed.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. The edge support type foundation pile drilling device for building construction comprises a drill bit (1), a drill rod (2) and a protection component (3), and is characterized in that the protection component (3) comprises a fixed sleeve (31), a movable frame (32), a roller (33) and a fixed ring (34); the fixed sleeve (31) is coaxially and movably sleeved on the drill rod (2); the movable frame (32) slides outside the fixed sleeve (31) along the radial direction of the fixed sleeve (31); the axis of the roller (33) is parallel to the fixed sleeve (31) and the roller (33) moves along with the movable frame (32); the fixed ring (34) is coaxially and fixedly sleeved on the drill rod (2), the fixed sleeve (31) is positioned between the drill bit (1) and the fixed ring (34), when the bottom surface of the fixed ring (34) is in contact with the ground, the fixed ring (34) can slide along the axial direction of the drill rod (2), the fixed sleeve (31) can rotate along with the drill rod (2), and the movable frame (32) moves in the direction away from the fixed sleeve (31); the fixed sleeve (31) also comprises a fixed frame (311) and a first movable strip (312); the quantity of mount (311) is three, three mount (311) evenly sets up around the axis of fixed sleeve (31), mount (311) are the U type that a horizontal pole and two longitudinal bars constitute, two longitudinal bars in mount (311) are arranged along the axis direction of fixed sleeve (31) and two longitudinal bars in mount (311) are towards keeping away from the direction extension of fixed sleeve (31), set up on the longitudinal bar in mount (311) can supply gliding recess (3111) of first movable strip (312), the slip direction of first movable strip (312) is parallel with the diameter direction of fixed sleeve (31), first movable strip (312) can slide to the outside of mount (311), set up through-hole (313) that can supply first movable strip (312) to pass on fixed sleeve (31), set up on drilling rod (2) can with first movable strip (312) sliding fit's first spout (21), the length direction of first spout (21) is parallel with the axis of mount (2), movable strip (32) sliding arrangement is inside fixed mount (311).
2. An edge-supported foundation pile drilling device for building construction according to claim 1, characterized in that the protection assembly (3) further comprises a movable rod (35) and a pull rope (36); the movable rod (35) can rotate and set up between two longitudinal rods of mount (311), the axis of movable rod (35) is parallel with the axis of fixed sleeve (31), movable frame (32) are the U type that a horizontal pole and two longitudinal rods constitute, two longitudinal rods in movable frame (32) set up towards the direction of keeping away from fixed sleeve (31), one end and movable rod (35) lateral wall fixed connection of stay cord (36), the other end and the horizontal pole fixed connection in movable frame (32) of stay cord (36), fixed be provided with first elastic connection spare (321) between horizontal pole in movable frame (32) and mount (311).
3. An edge-supported foundation pile drilling device for building construction according to claim 2, characterized in that the movable rod (35) further comprises a gear (351); the gear (351) is coaxially arranged at two ends of the movable rod (35) in a sliding mode, the gear (351) can synchronously rotate along with the movable rod (35), and the first movable strip (312) is fixedly provided with a rack (3121) which can be meshed with the gear (351).
4. An edge-supported foundation pile drilling device for building construction according to claim 3, characterized in that the movable rod (35) further comprises a clamping shaft (352) and a second elastic connecting piece (353); the coaxial slip of joint axle (352) sets up in the both ends of movable rod (35), joint hole (3511) that can supply joint axle (352) male are seted up in the axle center of gear (351), second elastic connection spare (353) are fixed to be set up between movable rod (35) and joint axle (352), first movable strip (312) are L type and the one end orientation of first movable strip (312) is close to the direction setting of fixed sleeve (31), second spout (322) are all seted up on two longitudinal rods in movable frame (32), the length direction of second spout (322) is parallel with the slip direction of movable frame (32), fixed being provided with on mount (311) can with second spout (322) sliding fit spacing arch (3112).
5. An edge-supported foundation pile drilling device for building construction according to claim 4, characterized in that two parallel second sliding grooves (322) are provided on each longitudinal bar in the movable frame (32).
6. An edge-supported foundation pile drilling device for building construction according to claim 5, characterized in that the protection assembly (3) further comprises a first movable ring (37); the inside second movable strip (341) that is provided with along fixed ring (34) radial direction of fixed ring (34), second movable strip (341) can run through the inside wall of fixed ring (34), set up on drilling rod (2) can supply second movable strip (341) male locating hole (22), and the quantity of locating hole (22) is three locating hole (22) evenly set up around the axis of drilling rod (2), and first movable ring (37) coaxial slip sets up in the below of fixed ring (34), and first movable ring (37) up one side is fixed to be provided with fixed protruding (371), set up on fixed protruding (371) can with second movable strip (341) sliding fit's first guide groove (372).
7. The edge-supported foundation pile drilling device for building construction according to claim 6, wherein the fixed ring (34) further comprises a third movable bar (342); the third movable strip (342) slides and sets up in the inside of fixed ring (34), second movable strip (341) and first movable strip (312) quantity are equal and the interval sets up, the slip direction of third movable strip (342) is parallel with the diameter direction of fixed ring (34), set up on fixed arch (371) can with third movable strip (342) sliding fit's second guiding groove (373), set up threaded hole (3421) on third movable strip (342), fixed axle (3122) that can with threaded hole (3421) screw-fit on first movable strip (312), fixed be provided with third elastic connection spare (3123) between first movable strip (312) and mount (311).
8. An edge-supported foundation pile drilling device for building construction according to claim 7, characterized in that the protection assembly (3) further comprises a second movable ring (38); the second movable ring (38) is coaxially and slidably arranged above the fixed circular ring (34), a fourth elastic connecting piece (381) is fixedly arranged between the second movable ring (38) and the fixed circular ring (34), and a magnetic piece (374) which can be in opposite magnetic fit with the second movable ring (38) is fixedly arranged at one upward end of the fixed protrusion (371).
9. An edge support type foundation pile drilling method for building construction, which adopts the edge support type foundation pile drilling device for building construction according to any one of claims 1-8, and is characterized by comprising the following steps:
s1, a drill rod (2) drives a drill bit (1) to rotate and simultaneously drives the drill bit (1) to downwards enter the ground along the vertical direction to form a pile foundation hole, a protection assembly (3) moves towards the inside of the pile foundation hole along with the drill bit (1), at the moment, a fixed sleeve (31) is coaxially and movably matched with the drill rod (2), a roller (33) is positioned at a position close to the axis of the fixed sleeve (31), and a fixed ring (34) is coaxially fixed with the drill rod (2);
s2, when the fixed sleeve (31) enters the pile foundation hole and the fixed ring (34) is in contact with the ground, the fixed ring (34) can axially slide along the drill rod (2), the roller (33) is positioned at a position far away from the axis of the fixed sleeve (31) and is in contact with the side wall of the pile foundation hole, and the fixed sleeve (31) and the drill rod (2) are radially fixed;
s3, along with the fact that the drill bit (1) continuously penetrates into the ground, the roller (33) performs circular motion around the axis of the drill rod (2) and simultaneously performs rotary motion, so that the top side wall of the pile foundation hole is continuously extruded and reinforced, and local collapse is avoided.
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| CN202310846033.7A CN116575861B (en) | 2023-07-11 | 2023-07-11 | Edge support type foundation pile drilling device for house building construction and construction method |
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| CN202310846033.7A CN116575861B (en) | 2023-07-11 | 2023-07-11 | Edge support type foundation pile drilling device for house building construction and construction method |
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| CN216741386U (en) * | 2021-11-26 | 2022-06-14 | 洛阳九久科技股份有限公司 | Novel drill rod stabilizer for vertical shaft |
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| CN115961879A (en) * | 2023-03-16 | 2023-04-14 | 中铁十九局集团第三工程有限公司 | Pile foundation drilling device capable of supporting edges and using method thereof |
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| WO2015034491A1 (en) * | 2013-09-04 | 2015-03-12 | Halliburton Energy Services, Inc. | Rotational anchoring of drill tool components |
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| US6213226B1 (en) * | 1997-12-04 | 2001-04-10 | Halliburton Energy Services, Inc. | Directional drilling assembly and method |
| CN104074477A (en) * | 2014-06-27 | 2014-10-01 | 浙江中锐工程机械有限公司 | Drum-shaped stabilizer for drilling machine |
| CN216741386U (en) * | 2021-11-26 | 2022-06-14 | 洛阳九久科技股份有限公司 | Novel drill rod stabilizer for vertical shaft |
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