CN115075248B - Pile head chiseling device for pile foundation construction - Google Patents
Pile head chiseling device for pile foundation construction Download PDFInfo
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- CN115075248B CN115075248B CN202210684619.3A CN202210684619A CN115075248B CN 115075248 B CN115075248 B CN 115075248B CN 202210684619 A CN202210684619 A CN 202210684619A CN 115075248 B CN115075248 B CN 115075248B
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 210000001503 joint Anatomy 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to the technical field of pile foundation construction, in particular to a pile head chiseling device for pile foundation construction, which comprises a beam plate, wherein a fixed cylinder is arranged at the position, close to one side, of the lower surface of the beam plate, a drill bit is rotatably arranged on the lower end surface of the fixed cylinder, a plurality of guide ports are formed in the outer surface of the drill bit, a transmission shaft which is in the same direction as the extending direction of the beam plate is arranged on the outer surface of the fixed cylinder, the transmission shaft and the drill bit are driven by a driving mechanism, a plurality of crushing blocks are fixedly arranged on the outer surface of the transmission shaft, a plurality of crushing teeth are arranged on the outer surface of each crushing block, the crushing teeth are distributed in an inclined mode, a sliding table is slidably connected on the upper surface of the beam plate through a distance adjusting mechanism, and a connecting column is fixedly connected on the upper surface of the sliding table.
Description
Technical Field
The invention relates to the technical field of pile foundation construction, in particular to a pile head chiseling device for pile foundation construction.
Background
The pile foundation is a deep foundation consisting of piles and pile caps connected with the tops of the piles, or a single pile foundation connected with the piles by the piles, for short. If the pile body is buried in the soil, the bottom surface of the bearing platform is contacted with the soil, the pile body is called a low bearing platform pile foundation; if the pile body upper part exposes the ground and the bearing platform bottom is positioned above the ground, the pile body upper part is called a high bearing platform pile foundation;
In the pile body concrete pouring process, as bubbles or pores in the concrete rise to the pile top part in the vibrating process, the pile top is in a certain range of slurry or slurry and mortar mixture in the underwater concrete pouring process, the virtual pile at the upper part is required to be chiseled out in order to ensure the pile body concrete strength, and meanwhile, the loose concrete at the top surface of the pile head is chiseled out to expose fresh concrete and reinforcing steel bars, so that the follow-up ground construction process is convenient to continue;
in the prior art, the pile head is broken in a manual chiseling mode, so that the pile head is laborious and low in efficiency, or broken through a chisel, and in the breaking process, the reinforcing steel bars at the periphery of the pile head are broken and deformed, so that the exposed reinforcing steel bars are damaged.
Disclosure of Invention
The invention aims to solve the defects in the background art and provides a pile head chiseling device for pile foundation construction.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a pile head chisel device for pile foundation construction, includes the beam slab, the lower surface of beam slab is close to one side department and is provided with a fixed section of thick bamboo, the lower terminal surface of fixed section of thick bamboo rotates and is provided with the drill bit, a plurality of guiding mouth has been seted up to the surface of drill bit, the surface of fixed section of thick bamboo is provided with the transmission shaft with beam slab extending direction syntropy, the transmission shaft passes through actuating mechanism drive with the drill bit, the surface fixed mounting of transmission shaft has a plurality of broken piece, the surface of broken piece is provided with a plurality of broken tooth, just broken tooth is slope distribution, the upper surface of beam slab has the sliding table through roll adjustment mechanism sliding connection, the upper surface fixedly connected with spliced pole of sliding table, the upper end fixedly connected with rotary drum of spliced pole, the surface of rotary drum is equipped with looks spiral complex guide drum, the upper end of rotary drum is provided with the elevating system who drives its reciprocates.
Preferably, the driving mechanism comprises a motor fixedly installed on the upper surface of the beam plate and a driving shaft fixedly connected to an output shaft of the motor, the driving shaft penetrates through the lower surface of the beam plate and is in running fit with the lower surface of the beam plate, the driving shaft is located on the inner side of the fixed cylinder and is the same as the fixed cylinder, the lower end of the driving shaft is fixedly connected to the upper surface of the drill bit, and the driving shaft are in transmission through a gear set.
Preferably, the gear set comprises bevel gears, two bevel gears are respectively arranged, the bevel gears are respectively fixedly sleeved on the outer surface of the driving shaft and one end of the driving shaft, the two bevel gears are meshed with each other, the end part of the driving shaft is in running fit with the fixed cylinder, one side, away from the fixed cylinder, of the beam plate is fixedly connected with a butt joint seat, and one end, away from the fixed cylinder, of the driving shaft is in running fit with the butt joint seat.
Preferably, the inner surface of the crushing block is provided with an inclined guide groove.
Preferably, the adjustable distance mechanism comprises a sliding block fixedly connected to the upper surface of the beam plate, a sliding groove is formed in the upper surface of the sliding table, the sliding block is slidably clamped on the inner side of the sliding groove, a connecting plate is fixedly connected to the upper surface of the sliding block close to one side, a fixing plate is fixedly connected to the upper surface of the sliding table close to one side, a screw rod is rotatably connected to the side surface of the fixing plate, and the screw rod penetrates through the connecting plate and is in threaded fit with the connecting plate.
Preferably, a hand wheel is fixedly arranged at one end, far away from the connecting plate, of the screw rod, a guide rod is vertically and fixedly connected to the side surface of the fixing plate, close to the edge, of the fixing plate, and the guide rod penetrates through the connecting plate and is in sliding fit with the connecting plate.
Preferably, a spiral groove is formed in the inner wall of the guide cylinder, a spiral sheet is fixedly sleeved on the outer surface of the rotary cylinder, and the spiral sheet is clamped into the inner side of the spiral groove in a sliding mode.
Preferably, the lifting mechanism comprises a telescopic cylinder, the telescopic cylinder comprises a cylinder body part fixedly arranged on the upper surface of the guide cylinder and a lifting part in sliding fit with the cylinder body part, the lifting part penetrates through the upper surface of the guide cylinder in a sliding mode, the lower end of the lifting part movably penetrates through the upper surface of the rotary cylinder and is fixedly connected with a widening column, the widening column is in running fit with the rotary cylinder, the upper end of the cylinder body part is fixedly connected with a mounting plate, a plurality of stabilizing plates are fixedly arranged on the lower surface of the mounting plate, and the lower ends of the stabilizing plates are fixedly connected with the outer surface of the guide cylinder.
Preferably, the outer surface fixing sleeve of the widening column is provided with a plurality of limiting rings, a plurality of balls are movably arranged between the upper and lower adjacent limiting rings, and the widening column is in running fit with the rotating cylinder through the balls.
Preferably, the upper end of the connecting column is fixedly connected with the lower surface of the rotating cylinder through the butt joint upper plate, and the lower end of the connecting column is fixedly connected with the upper surface of the sliding table through the butt joint lower plate.
Compared with the prior art, the invention has the following beneficial effects:
1. The scheme can adapt to the rapid crushing of the pile head, does not damage the outer reinforcing steel bars at the outer side of the pile head while crushing, ensures the sustainable implementation of the subsequent construction steps, and has better adaptability;
2. The lifting part moves downwards relative to the cylinder part to enable the rotating cylinder to move downwards, at the moment, the rotating cylinder rotates relative to the widening column, the spiral sheets move downwards relative to the inner side of the spiral groove in a spiral way, the drill bit and the broken blocks rotate by taking the guide cylinder as shafts, meanwhile, the motor moves downwards to enable the driving shaft to rotate, under the action of the bevel gear, the transmission shaft rotates, namely the broken blocks rotate, the edge of the pile head is broken through the track passed by the drill bit, the pile head is broken gradually from top to bottom through the track passed by the broken blocks, and the effect of rapid breaking is achieved;
3. In the rotating process of the drill bit, the broken part of particles are pushed upwards by the guide opening formed in the surface, so that the broken particles below are prevented from being accumulated to damage the outer reinforcing steel bars, meanwhile, due to the inclined arrangement of the broken teeth, the broken particles are pushed towards the direction close to the guide cylinder in the rotating process of the transmission shaft, the inner side of the broken particles plays a role of temporarily collecting the broken particles, and the inclined guide groove is matched, when the broken block rotates, the broken particles are guided to move towards the direction of the guide cylinder due to the inclined surface of the inclined guide groove, so that the broken particles can be effectively prevented from being propped towards the periphery, and the outer reinforcing steel bars are prevented from being propped up, so that the device can play a role of rapid breaking, and meanwhile, the structure of the outer reinforcing steel bars is prevented from being damaged;
4. In the use of the device, the guide cylinder and the pile head are required to be coaxial, the hand wheel is rotated, the screw rod is rotated, the sliding block is further enabled to slide along the inner side of the sliding groove, the beam plate is enabled to be close to or far away from the guide cylinder, the drill bit is adjusted to be in contact with the edge of the pile head, the drill bit is guaranteed not to be in contact with an outer reinforcing steel bar when moving downwards, the device can be flexibly adapted to the pile heads with different radial sizes in a certain range, and the adaptability is good.
Drawings
FIG. 1 is a schematic diagram of a pile head chiseling device for pile foundation construction;
FIG. 2 is a schematic view of the structure of the pile head chiseling device for pile foundation construction, which is arranged at the lower end of the pile head chiseling device;
FIG. 3 is a schematic diagram of a drill bit of a pile head chiseling device for pile foundation construction according to the present invention;
FIG. 4 is a schematic view of a broken block of a pile head chiseling device for pile foundation construction according to the present invention;
FIG. 5 is a schematic view of broken teeth of a pile head chiseling device for pile foundation construction according to the present invention;
FIG. 6 is a sectional view of a slide table of a pile head chiseling apparatus for pile foundation construction according to the present invention;
FIG. 7 is a cross-sectional view of a guide cylinder of a pile head chiseling device for pile foundation construction according to the present invention;
FIG. 8 is a cross-sectional view of a rotary drum of a pile head chisel device for pile foundation construction according to the invention;
FIG. 9 is an enlarged view of the pile head chisel device for pile foundation construction of the invention at A in FIG. 8;
Fig. 10 is a schematic view of a pile head chiseling apparatus for pile foundation construction in construction according to the present invention.
1. A beam plate; 2. a fixed cylinder; 3. a drive shaft; 4. a drill bit; 5. a guide port; 6. a transmission shaft; 7. bevel gears; 8. a motor; 9. breaking fragments; 10. crushing teeth; 11. an inclined guide groove; 12. a sliding table; 13. a chute; 14. a slide block; 15. a connecting plate; 16. a fixing plate; 17. a guide rod; 18. a screw rod; 19. a hand wheel; 20. a guide cylinder; 21. a rotating cylinder; 22. a spiral groove; 23. a spiral sheet; 24. a lifting part; 25. widening the column; 26. a limiting ring; 27. a ball; 28. a cylinder portion; 29. a stabilizing plate; 30. a mounting plate; 31. a connecting column; 32. an alignment upper plate; 33. abutting the lower plate; 34. a butt joint seat; 35. a ground plane; 36. an outer reinforcing bar; 37. a pile head; 38. and (5) suspending the equipment.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The pile head chiseling device for pile foundation construction comprises a beam plate 1, a fixed cylinder 2 is arranged at the position, close to one side, of the lower surface of the beam plate 1, a drill bit 4 is rotatably arranged on the lower end surface of the fixed cylinder 2, a plurality of guide ports 5 are formed in the outer surface of the drill bit 4, a transmission shaft 6 which is in the same direction as the extending direction of the beam plate 1 is arranged on the outer surface of the fixed cylinder 2, the transmission shaft 6 and the drill bit 4 are driven by a driving mechanism, a plurality of crushing blocks 9 are fixedly arranged on the outer surface of the transmission shaft 6, a plurality of crushing teeth 10 are arranged on the outer surface of each crushing block 9, the crushing teeth 10 are distributed in an inclined mode, a sliding table 12 is slidably connected to the upper surface of the beam plate 1 through a distance adjusting mechanism, a connecting column 31 is fixedly connected to the upper surface of the sliding table 12, a rotating cylinder 21 is fixedly connected to the upper end of the connecting column 31, a guide cylinder 20 which is in spiral fit is arranged on the outer surface of the rotating cylinder 21, and a lifting mechanism which drives the rotating cylinder 21 to move up and down is arranged at the upper end of the rotating cylinder 21.
As shown in fig. 2, the driving mechanism comprises a motor 8 fixedly installed on the upper surface of the beam plate 1, and a driving shaft 3 fixedly connected to the output shaft of the motor 8, wherein the driving shaft 3 penetrates through the lower surface of the beam plate 1 and is in running fit with the beam plate, the driving shaft 3 is located on the inner side of the fixed barrel 2 and is the same in axis, the lower end of the driving shaft 3 is fixedly connected to the upper surface of the drill bit 4, the driving shaft 3 and the driving shaft 6 are in transmission through a gear set, the gear set comprises bevel gears 7, the bevel gears 7 are respectively provided with two bevel gears, the bevel gears 7 are respectively fixedly sleeved on the outer surface of the driving shaft 3 and one end of the driving shaft 6, the two bevel gears 7 are meshed with each other, the end of the driving shaft 6 is in running fit with the fixed barrel 2, one side of the beam plate 1, away from the fixed barrel 2, is fixedly connected with a butt joint seat 34, one end of the driving shaft 6, away from the fixed barrel 2, is in running fit with the butt joint seat 34, the butt joint seat 34 is used for improving the stability of the end of the driving shaft 6, and is relatively stable during rotation, so that the effect of breaking the broken blocks 9 is ensured.
As shown in fig. 4, the inner surface of the broken block 9 is provided with an inclined guide groove 11, and after the inclined guide groove 11 is provided, the broken particles temporarily stored inside the broken block 9 can be pushed toward the guide cylinder 20.
As shown in fig. 6, the adjustable distance mechanism comprises a sliding block 14 fixedly connected to the upper surface of the beam plate 1, a sliding groove 13 is formed in the upper surface of the sliding table 12, the sliding block 14 is slidably clamped on the inner side of the sliding groove 13, a connecting plate 15 is fixedly connected to the upper surface of the sliding block 14 near one side, a fixing plate 16 is fixedly connected to the upper surface of the sliding table 12 near one side, a screw rod 18 is rotatably connected to the side surface of the fixing plate 16, the screw rod 18 penetrates through the connecting plate 15 and is in threaded fit with the connecting plate, a hand wheel 19 is fixedly mounted at one end, far from the connecting plate 15, of the screw rod 18, a hand wheel 19 is convenient for a user to rotate the screw rod 18, a guide rod 17 is fixedly connected to the side surface of the fixing plate 16 near the edge and vertically, the guide rod 17 penetrates through the connecting plate 15 and is in sliding fit with the connecting plate, and the guide rod 17 can promote the stability of the sliding of the connecting plate 15 in translation, namely, the stability of the sliding block 14 along the inner side of the sliding groove 13 is promoted.
As shown in fig. 7, 8 and 9, the screw engagement of the guide tube 20 and the rotary tube 21 is as follows: the inner wall of the guide cylinder 20 is provided with a spiral groove 22, the outer surface of the rotary cylinder 21 is fixedly sleeved with a spiral sheet 23, and the spiral sheet 23 is slidably clamped into the inner side of the spiral groove 22.
The lifting mechanism comprises a telescopic cylinder, the telescopic cylinder comprises a cylinder body part 28 fixedly arranged on the upper surface of the guide cylinder 20 and a lifting part 24 in sliding fit with the cylinder body part 28, the lifting part 24 penetrates the upper surface of the guide cylinder 20 in a sliding mode, the lower end of the lifting part 24 movably penetrates the upper surface of the rotary cylinder 21 and is fixedly connected with a widened column 25, the widened column 25 is in running fit with the rotary cylinder 21, the upper end of the cylinder body part 28 is fixedly connected with a mounting plate 30, a plurality of stabilizing plates 29 are fixedly arranged on the lower surface of the mounting plate 30, the lower ends of the stabilizing plates 29 are fixedly connected with the outer surface of the guide cylinder 20, the stabilizing plates 29 increase the stability of the cylinder body part 28, and the mounting plate 30 is used for being matched with suspension equipment 38, so that the suspension equipment 38 needs to be in a type with better stability when being placed on the ground.
The outer surface of the widening column 25 is fixedly sleeved with a plurality of limiting rings 26, a plurality of balls 27 are movably arranged between the upper and lower adjacent limiting rings 26, and the widening column 25 is in running fit with the rotating cylinder 21 through the balls 27, so that the abrasion problem between the widening column 25 and the rotating cylinder 21 can be avoided.
The upper end of the connecting column 31 is fixedly connected with the lower surface of the rotary cylinder 21 through the butt joint upper plate 32, and the lower end of the connecting column 31 is fixedly connected with the upper surface of the sliding table 12 through the butt joint lower plate 33, so that the stability of the connecting column 31 during installation is improved.
As shown in fig. 10, in the pile foundation pouring process, the pile head 37 is partially higher than the ground plane 35, the outer reinforcement 36 is arranged at the periphery of the pile head 37, in the construction, the guide cylinder 20 and the pile head 37 are required to be coaxial, the screw rod 18 is rotated by rotating the hand wheel 19, the sliding block 14 slides along the inner side of the sliding groove 13, namely, the beam plate 1 is close to or far away from the guide cylinder 20, the adjustment is performed until the drill bit 4 contacts the edge of the pile head 37, but the drill bit 4 is ensured not to contact the outer reinforcement 36 when moving downwards, the pile head 37 with different radial sizes in a certain range can be flexibly adapted to use, the adaptability is good, the rotating cylinder 21 is downwards moved by the lifting part 24 relative to the cylinder body part 28, at the same time, the rotating cylinder 21 is simultaneously rotated relative to the widening column 25, the screw piece 23 is spirally downwards moved relative to the inner side of the screw groove 22, the drill bit 4 and the crushing block 9 are rotated by taking the guide cylinder 20 as the shaft, and simultaneously the driving shaft 3 is rotated by the motor 8, the bevel gear 7 rotates the transmission shaft 6, namely, the crushing block 9 rotates, namely, the crushing block 9 is quickly moves along the pile head 37, and the crushing block 37 passes through the pile head 37, and the crushing track is quickly and the pile head 37 is gradually moved upwards; and the rotatory in-process of drill bit 4, the guiding mouth 5 of seting up on the surface can push up broken partial granule, prevent that the broken grain of below from piling up and crowding out outer reinforcing bar 36, simultaneously because the slope of broken tooth 10 is arranged, push away the broken grain towards the direction that is close to guide cylinder 20 in transmission shaft 6 pivoted in-process, and the inboard of broken piece 9 plays the effect of interim income broken grain, the design of this oblique guide slot 11 again, when broken piece 9 rotates, because the inclined plane of oblique guide slot 11 also can guide the broken grain to remove towards the direction of guide cylinder 20, consequently, can effectively prevent the broken grain to prop around, and then avoid propping out outer reinforcing bar 36, therefore the device can play quick broken function, avoid damaging the structure of outer reinforcing bar 36 simultaneously.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Pile head chisel device for pile foundation construction, including beam slab (1), its characterized in that: the utility model discloses a beam slab, including beam slab (1), beam slab, fixed section of thick bamboo (2) are provided with in the lower surface department that is close to one side, the lower terminal surface rotation of fixed section of thick bamboo (2) is provided with drill bit (4), a plurality of guiding hole (5) have been seted up to the surface of drill bit (4), the surface of fixed section of thick bamboo (2) is provided with transmission shaft (6) with beam slab (1) extending direction syntropy, transmission shaft (6) and drill bit (4) pass through actuating mechanism drive, the surface fixed mounting of transmission shaft (6) has a plurality of broken piece (9), the surface of broken piece (9) is provided with a plurality of broken tooth (10), just broken tooth (10) are slope distribution, the upper surface of beam slab (1) is through roll adjustment mechanism sliding connection has sliding table (12), the upper surface fixedly connected with spliced pole (31), the upper end fixedly connected with of spliced pole (31) rotates section of thick bamboo (21), the surface of rotating section of thick bamboo (21) is equipped with spiral complex guide (20), the upper end of rotating section of thick bamboo (21) is provided with its elevating system of moving.
2. The pile head chiseling apparatus for pile foundation construction according to claim 1, wherein: the driving mechanism comprises a motor (8) fixedly arranged on the upper surface of the beam plate (1), and a driving shaft (3) fixedly connected to an output shaft of the motor (8), wherein the driving shaft (3) penetrates through the lower surface of the beam plate (1) and is in running fit with the beam plate, the driving shaft (3) is located on the inner side of the fixed cylinder (2) and is the same as the fixed cylinder, the lower end of the driving shaft (3) is fixedly connected to the upper surface of the drill bit (4), and the driving shaft (3) and the driving shaft (6) are in transmission through a gear set.
3. The pile head chiseling apparatus for pile foundation construction according to claim 2, wherein: the gear set comprises bevel gears (7), the bevel gears (7) are respectively provided with two bevel gears, the bevel gears (7) are respectively fixedly sleeved on the outer surface of the driving shaft (3) and one end of the driving shaft (6), the two bevel gears (7) are meshed with each other, the end part of the driving shaft (6) is in running fit with the fixed cylinder (2), one side of the beam plate (1) away from the fixed cylinder (2) is fixedly connected with a butt joint seat (34), and one end of the driving shaft (6) away from the fixed cylinder (2) is in running fit with the butt joint seat (34).
4. The pile head chiseling apparatus for pile foundation construction according to claim 1, wherein: the inner surface of the crushing block (9) is provided with an inclined guide groove (11).
5. The pile head chiseling apparatus for pile foundation construction according to claim 1, wherein: the adjustable distance mechanism comprises a sliding block (14) fixedly connected to the upper surface of a beam plate (1), a sliding groove (13) is formed in the upper surface of a sliding table (12), the sliding block (14) is clamped on the inner side of the sliding groove (13) in a sliding mode, a connecting plate (15) is fixedly connected to the upper surface of the sliding block (14) close to one side, a fixing plate (16) is fixedly connected to the upper surface of the sliding table (12) close to one side, a screw rod (18) is connected to the side surface of the fixing plate (16) in a rotating mode, and the screw rod (18) penetrates through the connecting plate (15) and is in threaded fit with the connecting plate.
6. The pile head chiseling apparatus for pile foundation construction according to claim 5, wherein: one end of the screw rod (18) far away from the connecting plate (15) is fixedly provided with a hand wheel (19), the side surface of the fixed plate (16) is close to the edge and is vertically and fixedly connected with a guide rod (17), and the guide rod (17) penetrates through the connecting plate (15) and is in sliding fit with the connecting plate.
7. The pile head chiseling apparatus for pile foundation construction according to claim 1, wherein: the inner wall of the guide cylinder (20) is provided with a spiral groove (22), the outer surface of the rotary cylinder (21) is fixedly sleeved with a spiral sheet (23), and the spiral sheet (23) is clamped into the inner side of the spiral groove (22) in a sliding mode.
8. The pile head chiseling apparatus for pile foundation construction according to claim 1, wherein: the lifting mechanism comprises a telescopic cylinder, the telescopic cylinder comprises a cylinder body part (28) fixedly mounted on the upper surface of the guide cylinder (20) and a lifting part (24) in sliding fit with the cylinder body part (28), the lifting part (24) penetrates through the upper surface of the guide cylinder (20) in a sliding mode, the lower end of the lifting part (24) movably penetrates through the upper surface of the rotary cylinder (21) and is fixedly connected with a widening column (25), the widening column (25) is in rotating fit with the rotary cylinder (21), the upper end of the cylinder body part (28) is fixedly connected with a mounting plate (30), a plurality of stabilizing plates (29) are fixedly mounted on the lower surface of the mounting plate (30), and the lower ends of the stabilizing plates (29) are fixedly connected with the outer surface of the guide cylinder (20).
9. The pile head chiseling apparatus for pile foundation construction according to claim 8, wherein: the outer surface fixing sleeve of the widening column (25) is provided with a plurality of limiting rings (26), a plurality of balls (27) are movably arranged between the limiting rings (26) which are adjacent up and down, and the widening column (25) is in running fit with the rotating cylinder (21) through the balls (27).
10. The pile head chiseling apparatus for pile foundation construction according to claim 1, wherein: the upper end of the connecting column (31) is fixedly connected with the lower surface of the rotating cylinder (21) through the butt joint upper plate (32), and the lower end of the connecting column (31) is fixedly connected with the upper surface of the sliding table (12) through the butt joint lower plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210684619.3A CN115075248B (en) | 2022-06-16 | 2022-06-16 | Pile head chiseling device for pile foundation construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210684619.3A CN115075248B (en) | 2022-06-16 | 2022-06-16 | Pile head chiseling device for pile foundation construction |
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| Publication Number | Publication Date |
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| CN115075248A CN115075248A (en) | 2022-09-20 |
| CN115075248B true CN115075248B (en) | 2024-06-04 |
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| CN202210684619.3A Active CN115075248B (en) | 2022-06-16 | 2022-06-16 | Pile head chiseling device for pile foundation construction |
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| CN114215061A (en) * | 2021-12-29 | 2022-03-22 | 中铁二局集团有限公司 | Pile head breaking device and pile breaking construction method |
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