CN117569730B - Pore-forming device for cast-in-situ bored pile and construction method - Google Patents
Pore-forming device for cast-in-situ bored pile and construction method Download PDFInfo
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- CN117569730B CN117569730B CN202410060557.8A CN202410060557A CN117569730B CN 117569730 B CN117569730 B CN 117569730B CN 202410060557 A CN202410060557 A CN 202410060557A CN 117569730 B CN117569730 B CN 117569730B
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 17
- 238000010276 construction Methods 0.000 title abstract description 15
- 238000004080 punching Methods 0.000 claims abstract description 36
- 239000004575 stone Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 9
- 230000001360 synchronised effect Effects 0.000 claims description 38
- 238000005553 drilling Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 2
- 239000011148 porous material Substances 0.000 abstract description 5
- 239000002893 slag Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a cast-in-situ bored pile pore-forming device and a construction method in the technical field of construction, wherein the pore-forming device comprises a pile punching machine for repeatedly lifting an impact hammer to punch holes, a guide cylinder moves in a guide piece during punching, the falling centers of the guide cylinder and the impact hammer are limited to coincide with the center of the pore by the guide piece, and the impact position of a hammer tooth at the bottom of the impact hammer is changed under the cooperation of a steering column and a corner slideway in the repeated lifting impact process of the impact hammer; aiming at the problem that stone blocks with different hardness cannot be impacted all the time at a certain place to influence punching efficiency, the impact punching is more uniform and efficient, the problem that a pore canal is askew when an impact hammer falls down to impact due to partial unbroken is avoided, and broken slag is also uniform and convenient to discharge.
Description
Technical Field
The invention relates to the technical field of cast-in-place pile construction, in particular to a cast-in-place pile hole forming device and a construction method.
Background
The bored concrete pile has the advantages of high bearing capacity, strong adaptability, hundreds of meters long pile length, reduced pile number and the like, and is a preferred foundation form of domestic and foreign building (construction) structures, particularly large building (construction) structures such as bridges, oil tanks, liquefied natural gas tanks and nuclear power stations. The main construction process of the concrete bored pile comprises the following steps: and (5) forming holes, placing a reinforcement cage and pouring concrete. In the main construction process, pore forming is a key link.
The current hole forming mode generally comprises impact hole forming and rotary digging hole forming, different modes are adopted for forming holes according to different geology, a stone throwing layer refers to a protection slope structure for throwing and filling stone blocks to prevent river banks or structures from being flushed by water flow, the geology is mostly met when the current bored concrete pile is subjected to hole drilling construction, the impact drill hole forming is adopted, and the wall protection is carried out by adopting clay to prepare slurry; when the steel wire rope type impact drilling machine punches a hole, a drill bit is fixed at one end of the steel wire rope, and the ground is punched by utilizing gravitational potential energy of the steel wire rope and the drill bit which are pulled by a pulley block. Because wire rope formula percussion drill when punching a hole, when meetting the local barrier in underground, wire rope is difficult to keep the vertical state with ground for the condition that punches a hole produces the skew, in case appear the inclined hole, need stop to punch a hole, then backfill the rubble to downthehole, then punch a hole again, the quality of punching a hole descends, and the ground that punches a hole is single, and the broken efficiency that punches a hole is slower, construction quality gliding.
Based on the above, the invention designs a cast-in-situ bored pile pore-forming device and a construction method for the cast-in-situ bored pile to solve the problems.
Disclosure of Invention
The invention aims to provide a cast-in-situ bored pile pore-forming device and a construction method, which are used for solving the problems of askew punching, reduced punching quality, single punching position, slower punching crushing efficiency and lower construction quality in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the cast-in-situ bored pile pore-forming device comprises an impact hammer and a guide piece, wherein the top of the impact hammer is provided with an impact rope, the top of the impact hammer is fixedly provided with a guide cylinder, the side wall of the guide cylinder is provided with a plurality of mutually communicated corner slide ways, the guide piece comprises a guide upper cylinder and a guide bottom cylinder, a plurality of mounting rods are fixedly connected between the guide upper cylinder and the guide bottom cylinder, a plurality of rotating shafts are uniformly connected between the mounting rods, a guide ball is rotatably arranged outside the rotating shafts, the inner side of the guide bottom cylinder is connected with a steering column, the steering column is positioned in the corner slide ways and is in sliding fit with the two, the top of the guide upper cylinder is fixedly connected with a plurality of following rods, a retaining ring is arranged outside the following rods, a plurality of retaining rings are fixedly connected to the inner ring of the retaining ring, a synchronizing ring is arranged below the retaining ring, the synchronous ring outside fixedly connected with a plurality of holding rings, follow pole and holding ring one-to-one and run through holding ring and holding ring, the impact rope passes the synchronous ring, be equipped with synchronizing splint, regulation splint and fixed splint respectively in synchronizing ring, holding ring and the holding ring, synchronizing splint and regulation splint are used for the fixed impact rope of centre gripping and follow pole simultaneously for when adjusting the impact hammer height, impact rope and follow the pole and move together, regulation splint and fixed splint are used for the fixed follow pole of centre gripping simultaneously, and guide and synchronizing ring keep at current height when making the impact trompil, synchronizing splint and fixed splint are used for centre gripping impact rope and follow the pole simultaneously, make the synchronizing ring reset to the holding ring bottom after adjusting the impact hammer height.
Still further, the corner slide includes vertical impact section and V-arrangement corner section, V-arrangement corner section includes whereabouts section and lift-back section, whereabouts section's bottom B department is higher than lift-back section's bottom C department, lift-back section's top D department is higher than whereabouts section's top E department, vertical impact section's bottom A department height flushes with whereabouts section's top E department or is lower than lift-back section top D department.
Furthermore, an extension section is arranged at the bottom end of the V-shaped corner section, and the height of the extension section is flush with the point C at the bottom end of the lifting section.
Furthermore, the top end of the guide cylinder is rotationally connected with an adaptive rotary table, the top of the adaptive rotary table is fixedly connected with a connecting ring, and the connecting ring is used for connecting an impact rope.
Furthermore, an accommodating hole is formed in the guide bottom cylinder, the steering column is slidably connected in the accommodating hole, and a steering spring is connected between the accommodating hole and the steering column.
Still further, interior slide has been seted up between synchronizer ring and the grip ring, synchronous splint and regulation splint sliding connection are at the both ends of interior slide, separate in the interior slide, synchronous splint and the tip of regulation splint are located synchronizer ring and grip ring respectively, a set of holding spout of opposite arrangement has been seted up to the retainer ring inside, fixed splint sliding connection is in holding the spout.
Still further, synchronous splint and adjusting splint place the equal top intercommunication of inside slide have interior branch pipe and outer branch pipe respectively, interior branch pipe and outer branch pipe top are fixed the intercommunication respectively and are had interior ring canal and outer loop pipe, interior ring canal and outer loop pipe top communicate respectively and have last branch pipe and well branch pipe, all communicate through the arc pipe between the holding spout, the top intercommunication of arc pipe has the top pipe jointly, and top pipe one side intercommunication has the lower branch pipe, all install the hydrovalve on the pipeline of last branch pipe, well branch pipe and lower branch pipe, the hydrovalve all communicates has total oil pipe.
Furthermore, a reset switch is fixedly arranged at the top of the clamping ring and used for clamping the following rod through the adjusting clamping plate and loosening the synchronous clamping plate when the reset switch contacts the clamping ring.
Still further, still include the pile driver that punches a hole, grip ring outer lane fixedly connected with connecting plate, the connecting plate is used for with grip ring and pile driver fixed connection that punches a hole, pile driver that punches a hole is used for controlling the impact rope.
The method for forming the hole of the cast-in-situ bored pile on the stone throwing layer is characterized by comprising the following steps of:
erecting a punching pile machine and a hole forming device, and burying a pile casing;
the pore-forming device is adjusted, so that the guide bottom cylinder is positioned at the bottom end of the guide cylinder in the initial state, and meanwhile, the guide piece and the impact hammer are lowered, and the stroke is set;
repeatedly lifting the impact hammer to punch holes through the punching pile machine, enabling the guide cylinder to move in the guide piece while punching, limiting the falling centers of the guide cylinder and the impact hammer to coincide with the hole center through the guide piece, and changing the impact position of a hammer tooth at the bottom of the impact hammer through the cooperation of the steering column and the corner slideway in the repeated lifting impact process of the impact hammer;
when the stroke is adjusted, the impact rope and the following rod are clamped and fixed through the synchronous clamping plate and the adjusting clamping plate, when the punching pile machine adjusts the stroke of the impact hammer and adjusts the falling distance of the impact hammer, the impact rope and the following rod move together, the impact rope and the following rod are clamped and clamped through the synchronous clamping plate and the fixed clamping plate at the same time, so that after the height of the impact hammer is adjusted, the synchronous ring is reset to the bottom of the retaining ring when the impact hammer is lifted for the first time, and then the following rod is clamped and fixed through the adjusting clamping plate and the fixed clamping plate at the same time, so that the guide piece and the synchronous ring are kept at the current height when the impact hammer is perforated, and the impact rope can be randomly arranged in the synchronous ring;
and after the impact hole is formed, the impact hammer and the guide piece are lifted out of the hole together by lifting the impact rope.
Compared with the prior art, the invention has the beneficial effects that:
in the repeated falling impact process of the impact hammer, the impact hammer can keep vertical falling through the cooperation of the guide piece and the guide cylinder, so that the center of the falling impact position of the impact hammer is not deviated, and the punched hole is not deviated.
Repeatedly lifting the impact hammer to punch holes through the punching pile machine, enabling the guide cylinder to move in the guide piece while punching, limiting the falling centers of the guide cylinder and the impact hammer to coincide with the hole center through the guide piece, and changing the impact position of a hammer tooth at the bottom of the impact hammer through the cooperation of the steering column and the corner slideway in the repeated lifting impact process of the impact hammer; the problem that the punching efficiency is affected because stones with different hardness cannot be impacted all the time at a certain place is avoided, and the stone polishing layer has better applicability, so that impact punching is more uniform and efficient, the problem that a pore canal is askew due to the fact that an impact hammer falls down to impact due to partial unbroken is avoided, and broken slag is also uniform and convenient to discharge.
When the stroke is adjusted, the relative positions of the impact hammer and the guide piece are determined, the subsequent matching is convenient, and when the impact hammer is repeatedly lifted and impacted, the guide bottom cylinder and other parts can provide stable guide, so that the upper track and the lower track of the impact hammer are vertical and do not deviate, and meanwhile, the rotation angle change impact can be realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a side view structure of the present invention;
FIG. 2 is a schematic view of the bottom view structure of the present invention;
FIG. 3 is a schematic view of the present invention in a top view in a stepped cross section;
FIG. 4 is an enlarged schematic view of a portion of the top of FIG. 3 in accordance with the present invention;
FIG. 5 is an enlarged view of the structure of the portion F in FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of the portion G of FIG. 4 according to the present invention;
FIG. 7 is a schematic diagram of a side view semi-cut-away structure of the present invention;
FIG. 8 is an enlarged view of the H portion of the present invention;
FIG. 9 is an enlarged schematic view of the upper portion of FIG. 7 in accordance with the present invention;
FIG. 10 is a schematic illustration of the actual use of the present invention;
FIG. 11 is an enlarged view of the J portion of FIG. 10 in accordance with the present invention;
fig. 12 is a schematic view of steering column movement relative to a corner slide during impact in accordance with the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a percussion hammer; 2. an impact rope; 3. a guide cylinder; 4. a corner slideway; 5. guiding an upper cylinder; 6. guiding the bottom cylinder; 7. a mounting rod; 8. a rotating shaft; 9. a guide ball; 10. a steering column; 11. a follower rod; 12. a retaining ring; 13. a retainer ring; 14. a synchronizing ring; 15. a clamping ring; 16. a synchronous clamping plate; 17. adjusting the clamping plate; 18. a fixed clamping plate; 19. an adaptive turntable; 20. a connecting ring; 21. a receiving hole; 22. a steering spring; 23. an internal slideway; 24. a holding chute; 25. an inner branch pipe; 26. an outer branch pipe; 27. an inner collar; 28. an outer collar; 29. an arc tube; 30. a top tube; 31. a lower branch pipe; 32. a hydraulic valve; 33. a main oil pipe; 34. a reset switch; 35. punching pile machine; 36. a connecting plate; 37. an upper branch pipe; 38. a middle branch pipe; 41. a vertical impingement section; 42. a drop section; 43. a lift-back section; 44. an extension.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-12, the present invention provides a technical solution:
the cast-in-situ bored pile pore-forming device comprises an impact hammer 1 and a guide piece, wherein the top of the impact hammer 1 is provided with an impact rope 2, the top of the impact hammer 1 is fixedly provided with a guide cylinder 3, the side wall of the guide cylinder 3 is provided with a plurality of mutually communicated corner slide ways 4, the guide piece comprises a guide upper cylinder 5 and a guide bottom cylinder 6, a plurality of mounting rods 7 are fixedly connected between the guide upper cylinder 5 and the guide bottom cylinder 6, a plurality of rotating shafts 8 are uniformly connected between the mounting rods 7, a guide ball 9 is installed outside the rotating shafts 8 in a rotating manner, the inner side of the guide bottom cylinder 6 is connected with a steering column 10, the steering column 10 is positioned in the corner slide ways 4 in sliding fit, the top of the guide upper cylinder 5 is fixedly connected with a plurality of following rods 11, a retaining ring 12 is arranged outside the following rods 11, the inner ring of the retaining ring 12 is fixedly connected with a plurality of retaining rings 13, a synchronizing ring 14 is arranged below the retaining ring 12, the outside of the synchronizing ring 14 is fixedly connected with a plurality of clamping rings 15, the following rods 11 are in one-to-one correspondence with the holding rings 13 and 15 and penetrate through the clamping rings 15 and 13, the impact ropes 2 penetrate through the synchronizing ring 14, the clamping rings 15 and 13 are respectively provided with a synchronizing clamping plate 16, an adjusting clamping plate 17 and a fixing clamping plate 18, the synchronizing clamping plates 16 and 17 are used for simultaneously clamping and fixing the impact ropes 2 and the following rods 11, when the height of the impact hammer 1 is adjusted, the impact ropes 2 and the following rods 11 move together, the adjusting clamping plates 17 and the fixing clamping plates 18 are used for simultaneously clamping and fixing the following rods 11, the guide piece and the synchronizing ring 14 are kept at the current height when the impact is perforated, and the synchronizing clamping plates 16 and the fixing clamping plates 18 are used for simultaneously clamping the impact ropes 2 and the following rods 11, so that the synchronizing ring 14 is reset to the bottom of the holding rings 12 after the height of the impact hammer 1 is adjusted.
Referring to fig. 1-6 and 10, when the device is used, a punching pile machine 35 and a hole forming device are required to be erected, a pile casing is buried, then the hole forming device is adjusted, so that the guiding bottom cylinder 6 is positioned at the bottom end of the guiding cylinder 3 in an initial state, the steering column 10 at the inner side of the guiding bottom cylinder 6 is ensured to be positioned at the bottom end of the corner slideway 4, then the guiding piece and the impact hammer 1 are lowered at the same time, and the stroke is set; since the relative positions of the guide bottom cylinder 6 and the impact hammer 1 are fixed in the initial stage, after the stroke is adjusted, the stroke distance is the falling distance of the impact hammer 1 relative to the guide bottom cylinder 6 when the subsequent guide bottom cylinder 6 is not moved, the relative positions of the impact hammer 1 and the guide bottom cylinder 6 can be ensured to be reached at the initial stage after each lifting, the impact hammer 1 can keep vertical falling through the cooperation of the guide piece and the guide cylinder 3 in the repeated falling impact process of the subsequent impact hammer 1, the center of the falling impact position is not deviated, the punched hole is not deviated, and the cooperation of the subsequent steering column 10 and the corner slideway 4 is ensured.
Referring to fig. 7-8 and 12, the impact hammer 1 is repeatedly lifted by the punching pile machine 35 to punch, the guide cylinder 3 moves in the guide member while punching, the falling centers of the guide cylinder 3 and the impact hammer 1 are limited to coincide with the hole center by the guide member, and the impact position of the hammer teeth at the bottom of the impact hammer 1 is changed under the cooperation of the steering column 10 and the corner slideway 4 in the process of repeatedly lifting and impacting the impact hammer 1; when the impact hammer 1 is lifted to the upper part to be impacted, the steering column 10 is positioned at the bottommost part of the corner slideway 4, the impact hammer 1 is firstly enabled to rotate a certain angle when the impact hammer 1 falls down, then the impact hammer is enabled to vertically fall down, the problem that the impact hammer teeth at the bottom of the impact hammer 1 impact different places when falling down each time, the problem that stone blocks with different hardness at certain place cannot impact all the time and impact punching efficiency is affected is avoided, the applicability to a stone throwing layer is better, so that impact punching is more uniform and efficient, the problem that a pore channel is askew due to the fact that the impact hammer 1 falls down when the impact hammer is caused by partial unbroken is avoided, and broken slag is also uniform and convenient to discharge.
Referring to fig. 4 to 6, during the adjustment stroke, the impact rope 2 and the follower 11 are clamped and fixed by the synchronous clamping plate 16 and the adjusting clamping plate 17, during the adjustment stroke of the impact hammer 1 and the adjustment of the falling distance of the impact hammer 1, the impact rope 2 and the follower 11 move downwards together, so that the relative positions of the impact hammer 1 and the guide piece are determined, the subsequent matching is facilitated, the synchronous clamping plate 16 and the fixed clamping plate 18 are used for clamping the impact rope 2 and the follower 11 simultaneously, when the impact hammer 1 is lifted for the first time after the impact hammer 1 is adjusted, the synchronous ring 14 is lifted and reset to the bottom of the retaining ring 12 synchronously by the upward impact rope 2, and then the follower 11 is clamped and fixed by the adjusting clamping plate 17 and the fixed clamping plate 18 simultaneously, so that the guide piece and the synchronous ring 14 are kept at the original height when the impact hammer 1 is perforated, and the impact rope 2 can be lifted and lowered in the synchronous ring 14 at will; and when the impact hammer 1 is repeatedly pulled to impact, the guide bottom cylinder 6 and other parts can provide stable guide, so that the upper track and the lower track of the impact hammer 1 are not vertical to deviate and the rotation angle change impact can be realized.
After the punching is finished, the impact hammer 1 and the guide piece are lifted out of the hole together by lifting the impact rope 2, and the impact hammer 1 with an outwards expanded shape can move upwards to lift the hole channel together with the guide bottom barrel 6 and other parts when the synchronous clamping plate 16, the adjusting clamping plate 17 and the fixed clamping plate are loosened, so that the piece is not required to be taken out one by one, and the taking out is also convenient.
Wherein, the corner slide 4 includes vertical impact section 41 and V-arrangement corner section, and the V-arrangement corner section includes whereabouts section 42 and lift-back section 43, and whereabouts section 42's bottom B department is higher than lift-back section 43's bottom C department, and lift-back section 43's top D department is higher than whereabouts section 42's top E department, and vertical impact section 41's bottom A department height is with whereabouts section 42's top E department flush or be lower than lift-back section 43 top D department.
Wherein, extension section 44 has been seted up to V-arrangement corner section bottom, and extension section 44 height flushes with the bottom C point of lift-back section 43.
Wherein, the guiding bottom cylinder 6 is provided with a containing hole 21, the steering column 10 is slidingly connected in the containing hole 21, and a steering spring 22 is connected between the containing hole 21 and the steering column 10.
Referring to fig. 8, 11 and 12, specifically, when the impact hammer 1 is repeatedly lifted for punching, each time the impact hammer 1 is lifted, the guide cylinder 3 is lifted up, the vertical impact section 41 is also lifted up under the limitation of the steering column 10, the steering column 10 is moved up from the bottom end of the vertical impact section 41 into the falling section 42, the top end D of the lifting section 43 is higher than the top end E of the falling section 42, meanwhile, under the action of the steering spring 22 always pressing the steering column 10, the steering column 10 smoothly enters the falling section 42 and does not enter the lifting section 43 beyond the step, the guide cylinder 3 is continuously lifted up, the steering column 10 is moved to the bottom of the falling section 42, and the rotation of the guide cylinder 3 is realized during the period, so that the impact hammer 1 is driven to rotate a certain angle, and the impact hammer 1 is lifted up;
then the impact hammer 1 is released to fall down, the guide cylinder 3 moves down along the guide bottom cylinder 6 and the like, the guide cylinder 10 enters the lifting section 43, the bottom end B of the falling section 42 is higher than the bottom end C of the lifting section 43, the bottom end A of the vertical impact section 41 is flush with the top end E of the falling section 42 or lower than the top end D of the lifting section 43, meanwhile, under the action of the steering spring 22 always pressing the guide cylinder 10, the guide cylinder 10 smoothly enters the lifting section 43, the guide cylinder 3 continuously moves down, the guide cylinder 10 and the lifting section 43 are matched to enable the guide cylinder 3 to rotate a certain angle again, then the guide cylinder 10 enters the vertical impact section 41, and the guide cylinder 3 keeps the changed angle to vertically fall down again after rotating a certain angle compared with the previous falling position, so that the impact hammer 1 is circularly realized in a manner of changing the angle once, the impact punching mode, the impact is uniform, the hole is formed, the impact block with different hardness always has no influence on the punching efficiency, and the punching quality is good.
Wherein, guide cylinder 3 top rotates and is connected with adapter carousel 19, adapter carousel 19 top fixedly connected with go-between 20, go-between 20 are used for connecting impact rope 2.
Referring to fig. 1 and 10, when the steering column 10 and the corner slide 4 cooperate to rotate the impact hammer 1 while changing the angle, the adaptive rotary table 19 is not moved and the guide cylinder 3 rotates relative to the adaptive rotary table 19, so as to adapt to the rotation of the impact hammer 1, and the impact rope 2 does not need to rotate, so that the impact rope 2 is prevented from being torsionally stressed.
Wherein, an internal slideway 23 is arranged between the synchronizing ring 14 and the clamping ring 15, the synchronizing clamping plate 16 and the adjusting clamping plate 17 are slidably connected at two ends of the internal slideway 23, the internal slideway 23 is separated, the end parts of the synchronizing clamping plate 16 and the adjusting clamping plate 17 are respectively positioned in the synchronizing ring 14 and the clamping ring 15, a group of holding sliding grooves 24 which are oppositely arranged are arranged in the holding ring 13, and the fixing clamping plate 18 is slidably connected in the holding sliding grooves 24.
Wherein, the equal top of the interior slide 23 that synchronous splint 16 and regulation splint 17 are located is linked together respectively and is had interior branch pipe 25 and outer branch pipe 26, interior branch pipe 25 and outer branch pipe 26 top are fixed intercommunication respectively and are had interior ring pipe 27 and outer ring pipe 28, interior ring pipe 27 and outer ring pipe 28 top are linked together respectively and are had upper branch pipe 37 and well branch pipe 38, keep linking together through arced tube 29 between the spout 24, the top of arced tube 29 is linked together and is had top pipe 30, top pipe 30 one side intercommunication has down branch pipe 31, all install hydraulic valve 32 on the pipeline of upper branch pipe 37, well branch pipe 38 and down branch pipe 31, hydraulic valve 32 all is linked together and is had total oil pipe 33.
Wherein, clamp ring 15 top fixed mounting has reset switch 34, and reset switch 34 is used for holding the follower rod through adjusting splint 17 and through loosening synchronizing splint 16 when reset switch 34 contacts the clamping ring.
Referring to fig. 4-6 and 9, the specific principle of adjusting the stroke and further lowering the impact hammer 1 to dig downward is as follows: firstly, the main oil pipe 33 is communicated with the upper branch pipe 37 and the middle branch pipe 38 through the hydraulic valve 32, so that hydraulic oil enters both sides of each inner slideway 23 through the inner annular pipe 27 and the outer annular pipe 28, the synchronous clamping plate 16 and the adjusting clamping plate 17 are pushed outwards under the continuous entering pushing of the hydraulic oil, the end part of the synchronous clamping plate 16 is pushed out to move towards the inner side of the synchronous ring 14, the impact rope 2 is clamped and fixed through the synchronous clamping plate 16, the end part of the adjusting clamping plate 17 is pushed out to move towards the clamping ring 15, the following rod 11 is clamped and fixed, at the moment, the impact rope 2 and the following rod 11 are connected through the synchronous ring 14 and the clamping ring 15, at the moment, the fixed clamping plate 18 is loose, the following rod 11 can slide in the retaining ring 13, at the moment, the position of the impact rope 2 is lowered, the release amount of the impact rope 2 is changed, and the following rod 11 is pulled downwards along the retaining ring 13, so that the impact hammer 1 and the guiding bottom cylinder 6 are adjusted together, the initial relative position of the impact hammer 1 and the following complete movement of the whole slideway track can be ensured, and the following steering column 10 can always complete in the corner track 4;
after the adjustment, the main oil pipe 33 is communicated with the lower branch pipe 31 through the hydraulic valve 32, hydraulic oil is injected into the holding chute 24 through the top pipe 30 and the arc pipe 29, and the fixed clamping plate 18 is pushed out to clamp the following rod 11, so that the following rod 11 and the bottom of the following rod are fixed through the holding ring 13 and the holding ring 12 and guided to the bottom cylinder 6; then the adjusting clamp plate 17 is released to release the following rod 11, when the impact hammer 1 is lifted up, the impact rope 2 carries the synchronizing ring 14 and the clamping ring 15 to move upwards together, at the moment, the clamping ring 15 slides upwards along the following rod 11, and when the synchronizing ring 14 and the clamping ring 15 move upwards together to the bottom of the retaining ring 12, the reset switch 34 contacts with the retaining ring 13, the hydraulic valve communicating middle branch pipe 38 is started, and then all the adjusting clamp plates 17 are pushed out of the clamping following rod 11 again through the outer ring pipe 28, so that the reset of the synchronizing ring 14 and the clamping ring 15 is realized; when the synchronous clamping plate 16 is released, the impact rope 2 is loosened, so that the impact rope 2 can be randomly moved up and down in the synchronous ring 14, the repeated movement of the impact rope 2 is convenient, and the impact hammer 1 is driven to realize impact punching.
After the impact punching is finished, all the synchronous clamping plates 16, the adjusting clamping plates 17 and the fixing clamping plates 18 are released, the guide bottom cylinder 6 and other parts are lifted together through the larger body of the impact hammer 1, and the following rod 11 moves upwards and slides through the clamping ring 15 and the retaining ring 13 all the time.
The pile driver 35 is further arranged, the outer ring of the clamping ring 15 is fixedly connected with a connecting plate 36, the connecting plate 36 is used for fixedly connecting the clamping ring 15 with the pile driver 35, and the pile driver 35 is used for controlling the impact rope 2.
The guide piece and the punching pile machine 35 are installed together through the connecting plate 36, other brackets are omitted, and the support is convenient to use in a matched mode.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. Drilling bored concrete pile pore-forming device of stone polishing layer, its characterized in that: the automatic impact hammer comprises an impact hammer (1) and a guide piece, wherein an impact rope (2) is arranged at the top of the impact hammer (1), a guide cylinder (3) is fixedly arranged at the top of the impact hammer (1), and a plurality of corner slide ways (4) which are mutually communicated are formed in the side wall of the guide cylinder (3);
the corner slideway (4) comprises a vertical impact section (41) and a V-shaped corner section, the V-shaped corner section comprises a falling section (42) and a lifting section (43), the bottom end B of the falling section (42) is higher than the bottom end C of the lifting section (43), the top end D of the lifting section (43) is higher than the top end E of the falling section (42), and the bottom end A of the vertical impact section (41) is flush with the top end E of the falling section (42) or lower than the top end D of the lifting section (43);
the guide piece comprises a guide upper cylinder (5) and a guide bottom cylinder (6), a plurality of mounting rods (7) are fixedly connected between the guide upper cylinder (5) and the guide bottom cylinder (6), a plurality of rotating shafts (8) are uniformly connected between the mounting rods (7), guide balls (9) are installed outside the rotating shafts (8), a steering column (10) is connected to the inner side of the guide bottom cylinder (6), the steering column (10) is located in a corner slideway (4) in a sliding fit manner, a plurality of following rods (11) are fixedly connected to the top of the guide upper cylinder (5), a retaining ring (12) is arranged outside the following rods (11), a plurality of retaining rings (13) are fixedly connected to the inner ring of the retaining ring (12), a synchronizing ring (14) is arranged below the retaining ring (12), a plurality of clamping rings (15) are fixedly connected to the outer sides of the synchronizing ring (14), the following rods (11) correspond to the retaining rings (13) and the clamping rings (15) one by one, the clamping rings (15) and the retaining rings (13) are in a sliding fit, the inner clamping rings (16) are arranged outside the synchronizing ring (14), the inner clamping rings (14) are provided with a plurality of clamping plates (16), a fixed clamping plate (18) is arranged in the retainer ring (13);
the synchronous clamp plate (16) and the adjusting clamp plate (17) are used for clamping and fixing the impact rope (2) and the following rod (11) simultaneously, so that when the height of the impact hammer (1) is adjusted, the impact rope (2) and the following rod (11) move together, the adjusting clamp plate (17) and the fixing clamp plate (18) are used for clamping and fixing the following rod (11) simultaneously, so that the guide piece and the synchronous ring (14) are kept at the current height when the impact is perforated, and the synchronous clamp plate (16) and the fixing clamp plate (18) are used for clamping the impact rope (2) and the following rod (11) simultaneously, so that the synchronous ring (14) is reset to the bottom of the retaining ring (12) after the height of the impact hammer (1) is adjusted.
2. The cast-in-situ bored pile hole forming device for a stone throwing layer according to claim 1, wherein: an extension section (44) is arranged at the bottom end of the V-shaped corner section, and the height of the extension section (44) is flush with the bottom end C of the lifting section (43).
3. The cast-in-situ bored pile hole forming device for a stone throwing layer according to claim 1, wherein: the top end of the guide cylinder (3) is rotationally connected with an adaptation rotating disc (19), the top of the adaptation rotating disc (19) is fixedly connected with a connecting ring (20), and the connecting ring (20) is used for connecting the impact rope (2).
4. The cast-in-situ bored pile hole forming device for a stone throwing layer according to claim 1, wherein: an accommodating hole (21) is formed in the guide bottom cylinder (6), the steering column (10) is slidably connected in the accommodating hole (21), and a steering spring (22) is connected between the accommodating hole (21) and the steering column (10).
5. The cast-in-situ bored pile hole forming device for a stone throwing layer according to claim 1, wherein: an inner slide way (23) is arranged between the synchronizing ring (14) and the clamping ring (15), the synchronizing clamping plate (16) and the adjusting clamping plate (17) are connected with two ends of the inner slide way (23) in a sliding mode, the inner slide way (23) is separated, the end portions of the synchronizing clamping plate (16) and the adjusting clamping plate (17) are respectively located in the synchronizing ring (14) and the clamping ring (15), a group of opposite holding sliding grooves (24) are formed in the holding ring (13), and the fixing clamping plate (18) is connected in the holding sliding grooves (24) in a sliding mode.
6. The cast-in-situ bored pile hole forming device for a stone throwing layer according to claim 5, wherein: the top intercommunication of interior slide (23) at synchronous splint (16) place has interior branch pipe (25), and the top intercommunication of interior slide (23) at regulation splint (17) place has outer branch pipe (26), interior branch pipe (25) top fixed intercommunication has interior ring pipe (27), and outer branch pipe (26) top fixed intercommunication has outer ring pipe (28), interior ring pipe (27) top intercommunication has last branch pipe (37), and outer ring pipe (28) top intercommunication has well branch pipe (38), all communicate through arctube (29) between keeping spout (24), the top intercommunication of arctube (29) has top pipe (30) jointly, and top pipe (30) one side intercommunication has down branch pipe (31), all install hydraulic valve (32) on the pipeline of last branch pipe (37), well branch pipe (38) and lower branch pipe (31), hydraulic valve (32) all communicate has total oil pipe (33).
7. The cast-in-situ bored pile hole forming device for a stone throwing layer according to claim 1, wherein: the top of the clamping ring (15) is fixedly provided with a reset switch (34), and the reset switch (34) is used for clamping the following rod (11) and loosening the synchronous clamping plate (16) through the adjusting clamping plate (17) when the reset switch (34) contacts the retaining ring (13).
8. The cast-in-situ bored pile hole forming device for a stone throwing layer according to claim 1, wherein: still include pile driver (35) punches a hole, grip ring (15) outer lane fixedly connected with connecting plate (36), connecting plate (36) are used for grip ring (15) and pile driver (35) fixed connection punches a hole, pile driver (35) are used for controlling impact rope (2).
9. A method for forming a cast-in-situ bored pile, comprising the pore-forming device according to any one of claims 1 to 8, characterized by comprising the steps of:
erecting a punching pile machine (35) and a hole forming device, and burying a pile casing;
the pore-forming device is adjusted, so that the guiding bottom cylinder (6) is positioned at the bottom end of the guiding cylinder (3) in the initial state, and the guiding piece and the impact hammer (1) are simultaneously lowered, and the stroke is set;
repeatedly lifting the impact hammer (1) through a punching pile machine (35), punching, moving the guide cylinder (3) in the guide piece at the same time, limiting the falling centers of the guide cylinder (3) and the impact hammer (1) to coincide with the hole center through the guide piece, and changing the hammer tooth impact position at the bottom of the impact hammer (1) through the cooperation of the steering column (10) and the corner slideway (4) in the repeated lifting impact process of the impact hammer (1);
during stroke adjustment, the impact rope (2) and the following rod (11) are clamped and fixed through the synchronous clamping plate (16) and the adjusting clamping plate (17), when the punching pile machine (35) adjusts the stroke of the impact hammer (1) and adjusts the falling distance of the impact hammer (1), the impact rope (2) and the following rod (11) move together, the impact rope (2) and the following rod (11) are clamped and clamped through the synchronous clamping plate (16) and the fixed clamping plate (18) at the same time, so that after the height of the impact hammer (1) is adjusted, the synchronous ring (14) is reset to the bottom of the retaining ring (12) when the impact hammer (1) is lifted for the first time, and then the following rod (11) is clamped and fixed through the adjusting clamping plate (17) and the fixed clamping plate (18) at the same time, so that the guide piece and the synchronous ring (14) are kept at the current height when the impact hammer (1) is perforated, and the impact rope (2) can be lifted and lowered at random in the synchronous ring (14);
and after the impact hole is formed, the impact hammer (1) and the guide piece are lifted out of the hole together by lifting the impact rope (2).
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