CN116289928A - Hole guiding construction equipment and technology for ultra-long static pressure pipe pile - Google Patents
Hole guiding construction equipment and technology for ultra-long static pressure pipe pile Download PDFInfo
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- CN116289928A CN116289928A CN202310252574.7A CN202310252574A CN116289928A CN 116289928 A CN116289928 A CN 116289928A CN 202310252574 A CN202310252574 A CN 202310252574A CN 116289928 A CN116289928 A CN 116289928A
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- 230000003068 static effect Effects 0.000 title claims abstract description 100
- 238000010276 construction Methods 0.000 title claims abstract description 63
- 238000005516 engineering process Methods 0.000 title description 2
- 238000003825 pressing Methods 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000003466 welding Methods 0.000 claims description 14
- 239000004570 mortar (masonry) Substances 0.000 claims description 13
- 239000002689 soil Substances 0.000 claims description 10
- 238000005553 drilling Methods 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004904 shortening Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 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
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/26—Placing by using several means simultaneously
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/28—Placing of hollow pipes or mould pipes by means arranged inside the piles or pipes
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- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/081—Screw-and-nut feed mechanisms
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- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- General Life Sciences & Earth Sciences (AREA)
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- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The application relates to an ultralong static pressure pipe pile hole guiding construction equipment and a construction process thereof, and belongs to the technical field of static pressure pipe pile construction equipment. The construction equipment for the pilot hole of the ultra-long static pressure pipe pile comprises a base fixedly arranged on the ground, a hoisting mechanism arranged on the base, a pile pressing mechanism arranged on the base and a pilot hole mechanism arranged on the base; the pile pressing mechanism comprises a hydraulic assembly arranged on the base, a plurality of hydraulic cylinders vertically arranged on the base and connected with the hydraulic assembly, pile pressing plates fixedly arranged at the telescopic ends of the hydraulic cylinders and a limiting cylinder fixedly arranged on the side wall of the outer surface of the pipe pile; the limiting cylinder is clamped with the pile pressing plate, and the hydraulic cylinder is connected with the hydraulic assembly. The static pressure tubular pile static pressure construction method can ensure the integral integrity of the static pressure tubular pile, is suitable for static pressure construction of the ultra-long tubular pile, and can remarkably improve the bearing capacity of the static pressure tubular pile.
Description
Technical Field
The application relates to the technical field of static pressure pipe pile construction equipment, in particular to ultra-long static pressure pipe pile hole guiding construction equipment and a construction process thereof.
Background
Static pressure piles are one of the common construction methods of engineering pile foundations. The static pile pressing method is to press the prefabricated pile into the soil layer via the pile pressing mechanism of the static pile pressing machine with the dead weight of the pile pressing machine and the counter force provided by the counter weight on the frame. The pile foundation construction method avoids vibration, noise and pollution generated by hammering pile driving and has higher construction efficiency.
The power for pile sinking by the static pile method is from the pressure of hydraulic equipment. Along with the extension of the whole pile length, the depth of the pile hole is deepened, the thickness of a soil layer which is compressed in the pile sinking process is increased, and the resistance which needs to be overcome by the precast pile sinking is obviously improved, so that the pressure which is required to be acted on the precast pile by hydraulic equipment is also obviously improved, and the integrity of the precast pile is maintained, and the bearing capacity of the precast pile is ensured. In addition, in order to avoid seepage and hole collapse of pile holes, mortar needs to be backfilled after the deep pile holes are formed, so that the resistance of the precast pile in the pile sinking process is further increased. Therefore, the static pressure pile method construction is mainly applied to the middle-short precast pile sinking construction operation of which the whole pile length is not more than ten meters.
Aiming at the related technical background, the inventor considers that the existing static pressure pipe pile construction method can only be applied to middle-short prefabricated columnar pile sinking operation, and has the defects of narrow application range and difficulty in meeting the ultra-long pipe pile sinking operation.
Disclosure of Invention
In order to popularize the application of static pressure pipe pile construction in the aspect of ultra-long pipe pile sinking operation, shorten the construction period of the ultra-long pipe pile sinking operation and reduce noise pollution generated in the construction process, the application provides ultra-long static pressure pipe pile hole guiding construction equipment and a construction process thereof.
In a first aspect, the application provides an ultralong static pressure tubular pile hole guiding construction device which adopts the following technical scheme:
the construction equipment for the pilot hole of the ultra-long static pressure pipe pile comprises a base fixedly arranged on the ground, a hoisting mechanism arranged on the base, a pile pressing mechanism arranged on the base and a pilot hole mechanism arranged on the base; the pile pressing mechanism comprises a hydraulic assembly arranged on the base, a plurality of hydraulic cylinders vertically arranged on the base and connected with the hydraulic assembly, pile pressing plates fixedly arranged at the telescopic ends of the hydraulic cylinders and a limiting cylinder fixedly arranged on the side wall of the outer surface of the pipe pile; the limiting cylinder is clamped with the pile pressing plate, and the hydraulic cylinder is connected with the hydraulic assembly.
Through adopting above-mentioned technical scheme, the base provides firm support to other part structures of this application, can make things convenient for the installation of pile pressing mechanism and the relative position adjustment between pile pressing mechanism and the stake hole, the hoist mechanism of installing on the base can hoist the assigned position department of pile pressing mechanism with static pressure tubular pile, make things convenient for pile pressing mechanism to begin static pressure pile sinking, hole guiding mechanism can dig out the mortar in the static pressure tubular pile through boring and the mode of dredging drainage in the in-process of pile pressing mechanism static pressure pile sinking, reduce the resistance that static pressure tubular pile sinking in-process received, spacing section of thick bamboo has played the guard action to the integrality of precast pile, can be used for the segmentation connection of overlength tubular pile simultaneously, thereby reached the application of popularization static pressure tubular pile construction in the aspect of overlength tubular pile sinking operation, shorten the construction cycle of overlength tubular pile sinking operation, the noise pollution's that produces in the course of construction inventing.
Optionally, the pile pressing plate comprises a plate body connected with the telescopic end of the hydraulic cylinder and a plurality of clamping blocks connected with the plate body in a sliding manner along the direction parallel to the plate surface; the plate body is provided with a through hole along the direction of the vertical surface, the clamping block is arranged on the wall of the through hole, a pressure spring is arranged between the clamping block and the plate body, and the clamping block is clamped with the limiting cylinder.
Through adopting above-mentioned technical scheme, the plate body in the pile pressing plate is connected at the flexible end of pneumatic cylinder for the pressure of pneumatic cylinder can pass through the plate body and transmit to on the static pressure tubular pile, the through-hole of seting up on the plate body can make the pile pressing plate to overlap and establish on the outer wall of static pressure tubular pile, and the fixture block of installing on the through-hole lateral wall can be at the spacing section of thick bamboo of installing in the outer wall of static pressure tubular pile when the pile pressing plate down to transmission pressure, and can retract in the plate body when going up, the pressure spring of installing between fixture block and the plate body has played the reset action, makes the fixture block can with spacing section of thick bamboo joint again.
Optionally, a plurality of connection pieces are vertically arranged on the plate body, and a plurality of connection pieces are vertically connected to the side wall of the telescopic end of the hydraulic cylinder and are uniformly distributed along the circumference of the telescopic end of the hydraulic cylinder.
Through adopting above-mentioned technical scheme, a plurality of connection pieces of perpendicular connection at the flexible end of pneumatic cylinder on the plate body can strengthen connection structure's intensity between plate body and the pneumatic cylinder, make the pneumatic cylinder more stable to the push-and-pull process of plate body.
Optionally, the limiting cylinder comprises a hinge shaft, two limiting plates sleeved on the hinge shaft and a plurality of pin shafts penetrating through the limiting plates in the direction perpendicular to the axis of the limiting plates; the limiting plate is an arc-shaped plate with a semicircular cross section, and ratchets are arranged on the outer surface of the limiting plate.
Through adopting above-mentioned technical scheme, the two limiting plates articulated structural design each other that limiting cylinder adopted can be convenient fix the process on static pressure tubular pile with limiting cylinder, reduces the friction that precast pile and limiting cylinder installation produced, has played the guard action to precast pile structure, installs the round pin axle on the limiting plate and can play the fixed action to the relative position between precast pile and the limiting plate.
Optionally, one end of the limiting plate is provided with a welding ring; the inner diameter of the welding ring is equal to the outer diameter of the limiting plate.
Through adopting above-mentioned technical scheme, the welding ring structure of limiting plate tip can make things convenient for constructor to carry out end-to-end connection with spacing section of thick bamboo through welded mode, and the welding degree of difficulty can be reduced in the setting of welding ring, improves hookability and structural strength of hookup location.
Optionally, a limiting block is fixedly arranged at one end of the pin shaft, and threads are formed on the surface of the other end of the pin shaft.
Through adopting above-mentioned technical scheme, the stopper structure that the one end of round pin axle set up has played the effect that the position was prescribed a limit to the round pin axle, can avoid round pin axle and spacing section of thick bamboo to break away from to be connected, and the helicitic texture that the round pin axle other end surface set up can be used for the installation nut to fix.
Optionally, the base comprises a supporting rail fixedly arranged on the ground and a moving platform slidingly connected to the supporting rail; the movable platform comprises a supporting frame, a platform plate and a weight box, wherein the supporting frame is in sliding connection with the supporting rail, the platform plate is in sliding connection with the supporting frame along the direction perpendicular to the supporting rail, and the weight box is fixedly arranged below the platform plate.
Through adopting above-mentioned technical scheme, the support rail can play the supporting role to moving platform on the one hand, and on the other hand can make moving platform take place to remove along the length direction of support rail to realize hole operation, the structural design of platform board and support frame sliding connection in the moving platform makes the platform board can take place to remove along perpendicular support rail length direction, thereby realizes hole operation.
Optionally, the hole guiding mechanism comprises a screw rod vertically arranged on the base, a power head sleeved on the screw rod and a multi-section drill rod; the multi-section drill rod is fixedly connected with the power head.
Through adopting above-mentioned technical scheme, the screw rod can be used for controlling the lift of unit head, and the unit head can provide power to the rotation of multistage formula drilling rod, can drive the lift of multistage formula drilling rod simultaneously, and multistage formula drilling rod can excavate the drainage to outside with the inside mortar of static pressure tubular pile, reduces the resistance that the static pressure tubular pile sinking in-process received.
Optionally, the hole guiding mechanism further comprises a guide rod; the guide rod vertically penetrates through the power head and is connected with the power head in a sliding mode.
Through adopting above-mentioned technical scheme, the guide bar structure in the hole guiding mechanism can show the gesture stability that improves the unit head in-process that goes up and down, reduces collision and friction of multistage formula drilling rod and static pressure tubular pile lateral wall, is favorable to improving static pressure tubular pile overall structure's integrality and multistage formula drilling rod's life.
In a second aspect, the application provides a construction process for guiding holes of ultra-long static pressure pipe piles, which adopts the following technical scheme:
an ultra-long static pressure pipe pile hole guiding construction process comprises the following steps:
step 1, cleaning and leveling a construction site, measuring and paying off, and marking the position of a pile hole;
step 5, simultaneously operating the hydraulic cylinder and the power head, and carrying out static pressure and mortar excavation on the static pressure pipe pile until the static pressure pipe pile reaches a set depth;
and 6, repeating the steps 3 to 4, then welding along the welding ring to fix the static pressure pipe pile, and finally repeating the step 5 until the point position pile hole is constructed.
Through adopting above-mentioned technical scheme, combine static tubular pile draws hole construction equipment in this application, outwards drainage to the mortar in the static tubular pile when having realized static pile-pressing has reduced the resistance that the static tubular pile sinking needs to overcome.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the base in the pile pressing device provides stable support for other part of structures, can facilitate the installation of the pile pressing mechanism and the relative position adjustment between the pile pressing mechanism and a pile hole, and the hoisting mechanism installed on the base can hoist the static pile to the appointed position of the pile pressing mechanism, so that the pile pressing mechanism can conveniently start static pile sinking, the hole guiding mechanism can dig mortar in the static pile through drilling and digging drainage in the static pile sinking process of the pile pressing mechanism, the resistance suffered in the static pile sinking process of the static pile is reduced, the integrity of the precast pile is protected by the limiting cylinder, and meanwhile, the pile pressing device can be used for the segmented connection of the ultra-long pile, thereby achieving the purposes of popularizing the application of the static pile construction in the aspect of the ultra-long pile sinking operation, shortening the construction period of the ultra-long pile sinking operation and reducing the noise pollution generated in the construction process;
2. the plate body in the pile pressing plate is connected to the telescopic end of the hydraulic cylinder, so that the pressure of the hydraulic cylinder can be transmitted to the static pressure pipe pile through the plate body, the through hole formed in the plate body can enable the pile pressing plate to be sleeved on the outer wall of the static pressure pipe pile, the clamping block installed on the side wall of the through hole can be clamped on the limiting cylinder installed on the outer wall of the static pressure pipe pile when the pile pressing plate descends, the pressure is transmitted, the pile pressing plate can retract into the plate body when the pile pressing plate ascends, and the pressure spring installed between the clamping block and the plate body plays a reset role, so that the clamping block can be clamped with the limiting cylinder again;
3. the utility model provides a two limiting plates articulated structural design each other that limiting cylinder adopted can be convenient with the process of limiting cylinder fixed on static pressure tubular pile, reduces the friction that precast pile and limiting cylinder installation produced, has played the guard action to precast pile structure, installs the round pin axle on the limiting plate and can play fixed action to the relative position between precast pile and the limiting plate.
Drawings
Fig. 1 is a schematic structural diagram of an ultralong static pressure pipe pile hole guiding construction device disclosed in an embodiment of the present application.
Fig. 2 is a schematic structural view of a pile pressing plate in an embodiment of the present application.
Fig. 3 is a schematic structural view of a stopper tube in an embodiment of the present application.
Reference numerals illustrate: 1. a base; 11. a support rail; 12. a mobile platform; 121. a support frame; 122. a platform plate; 123. a weight box; 2. a hoisting mechanism; 3. a pile pressing mechanism; 31. a hydraulic assembly; 32. a hydraulic cylinder; 33. pile pressing plates; 34. a limiting cylinder; 331. a plate body; 332. a clamping block; 341. a hinge shaft; 342. a limiting plate; 343. a pin shaft; 344. a weld ring; 4. a hole guiding mechanism; 41. a screw; 42. a power head; 43. a multi-section drill pipe; 44. a guide rod.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1-3.
Static pressure piles are one of the common construction methods of engineering pile foundations. The static pile pressing method is to press the prefabricated pile into the soil layer via the pile pressing mechanism of the static pile pressing machine with the dead weight of the pile pressing machine and the counter force provided by the counter weight on the frame. The pile foundation construction method avoids vibration, noise and pollution generated by hammering pile driving and has higher construction efficiency. The power for pile sinking by the static pile method is from the pressure of hydraulic equipment. Along with the extension of the whole pile length, the depth of the pile hole is deepened, the thickness of a soil layer which is compressed in the pile sinking process is increased, and the resistance which needs to be overcome by the precast pile sinking is obviously improved, so that the pressure which is required to be acted on the precast pile by hydraulic equipment is also obviously improved, and the integrity of the precast pile is maintained, and the bearing capacity of the precast pile is ensured. In addition, in order to avoid seepage and hole collapse of pile holes, mortar needs to be backfilled after the deep pile holes are formed, so that the resistance of the precast pile in the pile sinking process is further increased. Therefore, the static pressure pile method construction is mainly applied to the middle-short precast pile sinking construction operation of which the whole pile length is not more than ten meters. In order to popularize the application of static pressure pipe pile construction in the aspect of ultra-long pipe pile sinking operation, shorten the construction period of the ultra-long pipe pile sinking operation and reduce noise pollution generated in the construction process, the application provides ultra-long static pressure pipe pile hole guiding construction equipment and a construction process thereof.
In a first aspect, an embodiment of the application discloses an ultralong static pressure pipe pile hole guiding construction device. Referring to fig. 1, an ultralong static pressure pipe pile hole guiding construction device comprises a base 1, a hoisting mechanism 2, a pile pressing mechanism 3 and a hole guiding mechanism 4. Wherein, base 1 fixed mounting is subaerial, and hoist mechanism 2, pile pressing mechanism 3 and draw hole mechanism 4 all install on base 1.
Referring to fig. 1, a base 1 includes a support rail 11 and a moving platform 12, wherein the support rail 11 is composed of two elongated rails disposed parallel to each other, and the support rail 11 is fixedly installed on a pile by a plurality of anchor bolts. The mobile platform 12 includes a support frame 121, a platform plate 122, and a weight box 123. The supporting frame 121 is composed of a plurality of supporting legs which are hydraulically driven to adjust and lift and a limiting metal frame. The platform plate 122 is mounted on the spacing metal frame and is slidably connected to the spacing metal frame in a direction perpendicular to the support rail 11. Accordingly, the platform plate 122 has two degrees of freedom in two directions, and thus the alignment of the pile positions can be completed. The lower surface of the platform plate 122 is mounted with a plurality of weight boxes 123. The weight box 123 can be internally provided with a proper weight according to the actual requirement.
Referring to fig. 1, the hoisting mechanism 2 is fixedly mounted on the platform plate 122 of the base 1. The hoisting mechanism 2 comprises a cockpit, a crane arm, a slewing mechanism, a cable, a crane hook and the like. The hoisting mechanism 2 can hoist the static pressure pipe pile and place the pile re-pressing mechanism 3.
Referring to fig. 1, the pile pressing mechanism 3 includes a hydraulic assembly 31, a hydraulic cylinder 32, a pile pressing plate 33, and a limiting cylinder 34. Wherein, hydraulic assembly 31 is disposed on platform plate 122 of base 1, and hydraulic cylinder 32 communicates with hydraulic assembly 31. The number of hydraulic cylinders 32 may be 4. The hydraulic cylinders 32 are arranged vertically on the ground, two groups of door beams are welded on the platform plate 122 in parallel, and two groups of hydraulic cylinders 32 are installed on the top of each group of door beams in an inverted and parallel mode. The pile pressing plate 33 is fixedly connected with the telescopic end of the hydraulic cylinder 32, and a plurality of connecting pieces are welded. The connecting pieces are uniformly arranged along the circumference of the telescopic end cylinder of the hydraulic cylinder 32. The limiting cylinder 34 is fixedly arranged on the side wall of the outer surface of the static pressure pipe pile.
Referring to fig. 1 and 2, the pile pressing plate 33 includes a plate body 331 and a clamping block 332. The plate 331 may be a solid rectangular metal plate with a through hole at a middle position. The mounting groove has been seted up on the lateral wall of plate body 331 through-hole, and fixture block 332 installs in the mounting groove, and is provided with the pressure spring with between the plate body 331. The clamping block 332 structure can realize one-way clamping with the rack structure of the side wall of the outer surface of the limiting cylinder 34, and the pressure spring is used for resetting the clamping block 332 structure.
Referring to fig. 1 and 3, the limiting cylinder 34 includes a hinge shaft 341, a limiting plate 342, a pin 343, and a welding ring 344. Wherein the number of limiting plates 342 is 2. The limiting plate 342 may be an arc-shaped metal plate having a semicircular cross section. One end of the two limiting plates 342 is penetrated with a hinge shaft 341. The limiting plate 342 is rotatably connected with the hinge shaft 341. The outer surface of the limiting plate 342 is provided with a toothed groove along the axial direction. The limiting plate 342 is provided with a plurality of pins 343. The pin 343 is disposed perpendicular to the axial direction of the limiting plate 342. One end of the pin shaft 343 is provided with a limiting block for preventing falling off, and the other end is provided with threads for installing a nut. The end of the limiting plate 342 is provided with a weld ring 344. The inner diameter of the weld ring 344 is equal to the outer diameter of the limiter cartridge 34.
Referring to fig. 1, the hole guiding mechanism 4 includes a screw 41, a power head 42, a multi-stage drill rod 43, and a guide rod 44. The screw 41 is vertically installed on the platform plate 122 of the base 1, and is rotatably connected with the platform plate 122. The power head 42 comprises a motor and a flat plate for supporting the motor, the flat plate is sleeved on the screw 41, and the screw 41 can rotate and drive the power head 42 to lift under the action of another driving motor. The multi-section drill rod 43 is connected with a motor on the power head 42 through a coupling. The multi-section drill rod 43 can be driven to rotate. The multi-section drill rod 43 can be formed by assembling and connecting multi-section drill rods, and is suitable for hole guiding operations with different depths. The guide bar 44 is vertically welded to the platform plate 122, and the guide bar 44 may be provided in plurality. The number of the guide rods 44 in the embodiment of the present application is two, and the guide rods are symmetrically arranged on both sides of the screw 41 in parallel with each other. The guide rod 44 is a solid polish rod, and the guide rod 44 is arranged on the flat plate of the power head 42 in a penetrating way and is connected with the flat plate in a sliding way. In a second aspect, the embodiment of the application discloses a construction process for guiding holes of ultra-long static pressure pipe piles, which adopts the following technical scheme:
an ultra-long static pressure pipe pile hole guiding construction process comprises the following steps:
step 1, cleaning and leveling a construction site, measuring and paying off, and marking the position of a pile hole;
step 5, simultaneously operating the hydraulic cylinder 32 and the power head 42, and carrying out static pressure and mortar excavation on the static pressure pipe pile until the static pressure pipe pile reaches a set depth;
and 6, repeating the steps 3 to 4, then welding along the welding ring 344 to fix the static pressure pipe pile, and finally repeating the step 5 until the point position pile hole is constructed.
In the above steps, the step 2 and the step 3 can be operated simultaneously, thereby achieving the effect of shortening the overall construction period. And 4, when the hole guiding operation is carried out, guide ramps are required to be preset on two sides of the top of the static pressure pipe pile, so that the influence of the guide mortar on the operation of equipment is avoided.
The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. An overlength static pressure tubular pile draws hole construction equipment which characterized in that: comprises a base (1) fixedly arranged on the ground, a hoisting mechanism (2) arranged on the base (1), a pile pressing mechanism (3) arranged on the base (1) and a hole guiding mechanism (4) arranged on the base (1); the pile pressing mechanism (3) comprises a hydraulic assembly (31) arranged on the base (1), a plurality of hydraulic cylinders (32) vertically arranged on the base (1) and connected with the hydraulic assembly (31), pile pressing plates (33) fixedly arranged at the telescopic ends of the hydraulic cylinders (32) and limiting cylinders (34) fixedly arranged on the side wall of the outer surface of the pipe pile; the limiting cylinder (34) is clamped with the pile pressing plate (33), and the hydraulic cylinder (32) is connected with the hydraulic assembly (31).
2. The ultra-long static pressure pipe pile hole guiding construction equipment according to claim 1, wherein: the pile pressing plate (33) comprises a plate body (331) connected with the telescopic end of the hydraulic cylinder (32) and a plurality of clamping blocks (332) connected with the plate body (331) in a sliding manner along the direction parallel to the plate surface; the plate body (331) is provided with a through hole along the direction of the vertical surface, the clamping block (332) is arranged on the hole wall of the through hole, a pressure spring is arranged between the clamping block (332) and the plate body (331), and the clamping block (332) is clamped with the limiting cylinder (34).
3. The ultra-long static pressure pipe pile hole guiding construction equipment according to claim 2, wherein: the plate body (331) is provided with a plurality of connecting pieces vertically, and a plurality of connecting pieces are connected to the side wall of the telescopic end of the hydraulic cylinder (32) vertically and are distributed evenly along the circumference of the telescopic end of the hydraulic cylinder (32).
4. The ultra-long static pressure pipe pile hole guiding construction equipment according to claim 1, wherein: the limiting cylinder (34) comprises a hinge shaft (341), two limiting plates (342) sleeved on the hinge shaft (341) and a plurality of pin shafts (343) penetrating through the limiting plates (342) in the direction perpendicular to the axis of the limiting plates (342); the limiting plate (342) is an arc-shaped plate with a semicircular cross section, and ratchets are arranged on the outer surface of the limiting plate (342).
5. The ultra-long static pressure pipe pile hole guiding construction equipment according to claim 4, wherein: one end of the limiting plate (342) is provided with a welding ring (344); the inner diameter of the welding ring (344) is equal to the outer diameter of the limiting plate (342).
6. The ultra-long static pressure pipe pile hole guiding construction equipment according to claim 4, wherein: one end of the pin shaft (343) is fixedly provided with a limiting block, and the surface of the other end of the pin shaft (343) is provided with threads.
7. The ultra-long static pressure pipe pile hole guiding construction equipment according to claim 1, wherein: the base (1) comprises a supporting rail (11) fixedly arranged on the ground and a moving platform (12) connected to the supporting rail (11) in a sliding manner; the movable platform (12) comprises a supporting frame (121) which is in sliding connection with the supporting rail (11), a platform plate (122) which is in sliding connection with the supporting frame (121) along the direction vertical to the supporting rail (11), and a weight box (123) which is fixedly arranged below the platform plate (122).
8. The ultra-long static pressure pipe pile hole guiding construction equipment according to claim 1, wherein: the hole guiding mechanism (4) comprises a screw rod (41) vertically arranged on the base (1), a power head (42) sleeved on the screw rod (41) and a multi-section drill rod (43); the multi-section drill rod (43) is fixedly connected with the power head (42).
9. The ultra-long static pressure pipe pile hole guiding construction equipment according to claim 8, wherein: the hole guiding mechanism (4) further comprises a guide rod (44); the guide rod (44) vertically penetrates through the power head (42) and is connected with the power head (42) in a sliding mode.
10. An ultralong static pressure pipe pile hole guiding construction process, which uses the ultralong static pressure pipe pile hole guiding construction equipment as set forth in any one of claims 1-9, and is characterized by comprising the following steps:
step 1, cleaning and leveling a construction site, measuring and paying off, and marking the position of a pile hole;
step 2, excavating pile holes to a designed depth by using a high-pressure drilling machine, detecting a drilled and mined soil sample, and backfilling mortar after the soil sample is qualified;
step 3, fixing a limiting cylinder (34) on the outer wall of the static pressure pipe pile, fixedly connecting the static pressure pipe pile with a hoisting mechanism (2), and hoisting to the pile hole position;
step 4, vertically introducing a multi-section drill rod (43) into the static pressure pipe pile;
step 5, simultaneously operating the hydraulic cylinder (32) and the power head (42), and carrying out static pressure and mortar excavation on the static pressure pipe pile until the static pressure pipe pile reaches a set depth;
and 6, repeating the steps 3 to 4, then welding along a welding ring (344) to fix the static pressure pipe pile, and finally repeating the step 5 until the point position pile hole is constructed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310252574.7A CN116289928A (en) | 2023-03-15 | 2023-03-15 | Hole guiding construction equipment and technology for ultra-long static pressure pipe pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310252574.7A CN116289928A (en) | 2023-03-15 | 2023-03-15 | Hole guiding construction equipment and technology for ultra-long static pressure pipe pile |
Publications (1)
| Publication Number | Publication Date |
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| CN116289928A true CN116289928A (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310252574.7A Pending CN116289928A (en) | 2023-03-15 | 2023-03-15 | Hole guiding construction equipment and technology for ultra-long static pressure pipe pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118997148A (en) * | 2024-10-23 | 2024-11-22 | 福力加特(南通)新能源科技有限公司 | Digital piling system for static pressure construction |
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2023
- 2023-03-15 CN CN202310252574.7A patent/CN116289928A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118997148A (en) * | 2024-10-23 | 2024-11-22 | 福力加特(南通)新能源科技有限公司 | Digital piling system for static pressure construction |
| CN118997148B (en) * | 2024-10-23 | 2025-01-21 | 福力加特(南通)新能源科技有限公司 | A digital piling system for static pressure construction |
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