CN117779766A - Pile breaking device and method capable of accurately avoiding reinforcing steel bars - Google Patents
Pile breaking device and method capable of accurately avoiding reinforcing steel bars Download PDFInfo
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- CN117779766A CN117779766A CN202311814446.3A CN202311814446A CN117779766A CN 117779766 A CN117779766 A CN 117779766A CN 202311814446 A CN202311814446 A CN 202311814446A CN 117779766 A CN117779766 A CN 117779766A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 182
- 239000010959 steel Substances 0.000 claims abstract description 182
- 238000005520 cutting process Methods 0.000 claims abstract description 101
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 239000003921 oil Substances 0.000 claims abstract description 26
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 3
- 238000007142 ring opening reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 2
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Abstract
The invention discloses a pile breaking device and method capable of accurately avoiding reinforcing steel bars, and belongs to the technical field of building construction pile foundation treatment. The pile breaking device comprises a travelling mechanism, a rotary platform, a mechanical arm, an arm support adjusting oil cylinder, a pile cutting assembly, an image recognition assembly, a pump station and a hydraulic control center; the pile cutting assembly comprises a hydraulic oil cylinder seat, a hydraulic oil cylinder and pile cutting steel drills; the pump station and the hydraulic control center provide a group of independent oil ways for each hydraulic oil cylinder, and each group of oil ways is independently controlled. The pile breaking device can adjust the horizontal position and the height of the pile cutting assembly through the travelling mechanism, the rotary platform, the mechanical arm and the arm support adjusting oil cylinder, can collect the distribution of pile head vertical steel bars after the pile cutting assembly breaks the pile for the first time through the image recognition assembly, judges whether the vertical steel bars are positioned on the moving path of pile cutting steel bars, can independently control each hydraulic oil cylinder through the pump station and the hydraulic control center, and accurately avoid the vertical steel bars of the pile head when the pile is broken for the second time.
Description
Technical Field
The invention relates to a pile breaking device and method capable of accurately avoiding reinforcing steel bars, and belongs to the technical field of building construction pile foundation treatment.
Background
The concrete cast-in-place pile foundation is a conventional foundation reinforcement structure, and in order to ensure the quality of the cast-in-place pile foundation and its effective connection with other upper foundation structures, it is generally required to overcast the cast-in-place pile by a certain height, for example, 0.5-1 m, while the pile head (i.e., the portion of the concrete of the pile foundation that is overcharged) needs to be chiseled or cut off before other upper foundation structures are constructed.
The traditional pile head treatment process generally adopts a method of manually chiseling by tools such as a pneumatic pick and then hoisting by a crane, and has the defects of high man-machine input cost, high construction safety risk, low mechanization level and the like. At present, a simple hydraulic pile cutting device is also developed on the market, a large-tonnage (more than or equal to 20T) crane is still needed to be matched with a pile head in the application process of the hydraulic pile cutting device, the steel bars of the original pile foundation are reserved, the pile head is conveniently anchored in a bottom plate in the later stage, but the problem that the pile head steel bars are easily damaged in the pile breaking process is relatively large at present, the steel bars are required to be planted after the pile breaking is completed, so that the bottom plate anchoring requirement is ensured, the field construction workload is greatly increased, the quality of the planted steel bars is difficult to ensure, and potential safety hazards exist.
Disclosure of Invention
The invention provides a pile breaking device and a pile breaking method capable of accurately avoiding steel bars, aiming at the problem that the vertical steel bars of a pile head are easy to damage in the existing pile head treatment.
In order to solve the technical problems, the invention comprises the following technical scheme:
a pile breaking device capable of accurately avoiding steel bars comprises a travelling mechanism, a rotary platform, a mechanical arm, an arm support adjusting cylinder, a pile cutting assembly, an image recognition assembly, a pump station and a hydraulic control center;
the rotary platform is arranged on the travelling mechanism and can rotate in a horizontal plane;
one end of the mechanical arm is hinged with the rotary platform and can rotate in a vertical plane along a hinge point, and the other end of the mechanical arm is provided with a connecting component; the bottom end of the arm support adjusting oil cylinder is fixed with the rotary platform in a pin joint manner, and the top end of the arm support adjusting oil cylinder is hinged with the mechanical arm;
the pile cutting assembly comprises a hydraulic oil cylinder seat, a hydraulic oil cylinder and pile cutting steel drills; the hydraulic cylinder seat is of an annular structure, a plurality of hydraulic cylinders are distributed along the annular direction, the telescopic ends of the hydraulic cylinders are fixedly connected with the tail parts of the pile cutting steel bars, and the hydraulic cylinders can drive the pile cutting steel bars to move along the radial direction of the hydraulic cylinder seat; the hydraulic cylinder seat is in pin joint with the bottom end of the connecting component;
the image recognition component is used for collecting a reinforcement photo of the pile head, recognizing the position relation between the vertical reinforcement of the pile head and the pile cutting steel rod and judging whether the vertical reinforcement is positioned on the moving path of the pile cutting steel rod or not;
the pump station and the hydraulic control center provide a group of independent oil ways for each hydraulic cylinder and independently control each group of oil ways; when the pile is cut, the hydraulic cylinder without the vertical steel bars on the pile cutting steel bar moving path is subjected to cylinder extending operation, so that the hydraulic cylinder with the vertical steel bars on the pile cutting steel bar moving path is kept in cylinder shrinking operation, and the pile cutting steel bars can be prevented from damaging the vertical steel bars of the pile head.
Further, the side view of the mechanical arm is 7-shaped, the front end of the mechanical arm is a C-shaped end, two opening ends of the C-shaped end are respectively provided with a group of connecting members, the connecting members are vertically arranged, and the top is connected with the opening end of the C-shaped end through a pin shaft
Further, the hydraulic cylinder seat comprises an upper plane steel plate, a lower plane steel plate and a vertical plane steel plate, the upper plane steel plate and the lower plane steel plate are oppositely arranged up and down, the top end of the vertical plane steel plate is fixedly welded with the side part of the upper plane steel plate, the bottom end of the vertical plane steel plate is fixedly welded with the side part of the lower plane steel plate, the vertical plane steel plate is a bending steel plate, and each surface is provided with a mounting hole used for mounting a hydraulic cylinder.
Further, a guide steel pipe is arranged in the mounting hole, the guide steel pipe is arranged along the radial direction of the hydraulic cylinder seat, one end of the hydraulic cylinder extends into the guide steel pipe and is fixedly connected with the guide steel pipe, and the pile cutting steel drill rod and the guide steel pipe are coaxial.
Further, the hydraulic cylinder seat comprises a first hydraulic cylinder seat, a second hydraulic cylinder seat and a third hydraulic cylinder seat;
the two ends of the first hydraulic cylinder seat are respectively in pin joint with one end of the second hydraulic cylinder seat and one end of the third hydraulic cylinder seat, the other ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat are free ends, and the second hydraulic cylinder seat and the third hydraulic cylinder seat can rotate around pin joint points in the same plane;
the free ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat are connected through a locking mechanism, and the locking mechanism comprises a locking state and an opening state;
a group of open-closed loop power mechanisms are respectively arranged between the first hydraulic cylinder seat and the second hydraulic cylinder seat and between the first hydraulic cylinder seat and the third hydraulic cylinder seat, and when the locking mechanism is in an open state, the free ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat can be mutually close to or far away from each other through the open-closed loop power mechanisms.
Correspondingly, the invention also provides a pile breaking method capable of accurately avoiding the steel bars, the pile breaking device capable of accurately avoiding the steel bars is adopted for pile breaking operation, and the pile breaking method comprises the following steps:
step one, moving a pile breaking device to a pile head of a pile to be cut through a travelling mechanism, and adjusting the position of a pile cutting assembly to enable a hydraulic cylinder seat to be sleeved on the pile head, so that pile cutting steel drills are at proper heights;
controlling all hydraulic cylinders to extend through a pump station and a hydraulic control center, so that pile head concrete is extruded by pile cutting steel bars, and the pile is broken for the first time, and vertical steel bars are exposed;
thirdly, acquiring images of pile head vertical steel bars by utilizing an image identification assembly, identifying the position relation between the pile head vertical steel bars and pile cutting steel bars, and judging whether the vertical steel bars are positioned on a moving path of the pile cutting steel bars;
step four, adjusting the height of the pile cutting assembly through a mechanical arm and an arm support adjusting oil cylinder to enable pile cutting steel bars to be at the designed pile cutting elevation, and performing cylinder extension operation on all hydraulic oil cylinders without vertical steel bars on a pile cutting steel bar moving path to enable the pile cutting steel bars to squeeze pile head concrete, performing secondary pile breaking, and breaking concrete at the pile cutting position;
and fifthly, utilizing an arm support adjusting oil cylinder to enable the end part of the mechanical part and the pile cutting assembly to be lifted upwards, stripping and moving broken concrete, and completing pile breaking of pile foundation pile heads.
Further, in the first step, the pile-cutting steel drill rod is at a proper height, namely the pile-cutting steel drill rod elevation H 1 Height H of reinforcement cage with pile head 2 And the tops of the vertical steel bars of the steel bar cages can be exposed when the pile is broken, and the vertical steel bars cannot be damaged.
Further, the hydraulic cylinder seat comprises a first hydraulic cylinder seat, a second hydraulic cylinder seat and a third hydraulic cylinder seat; the two ends of the first hydraulic cylinder seat are respectively in pin joint with one end of the second hydraulic cylinder seat and one end of the third hydraulic cylinder seat, the other ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat are free ends, and the second hydraulic cylinder seat and the third hydraulic cylinder seat can rotate around pin joint points in the same plane; the free ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat are connected through a locking mechanism, and the locking mechanism comprises a locking state and an opening state; a group of open-closed loop power mechanisms are respectively arranged between the first hydraulic cylinder seat and the second hydraulic cylinder seat and between the first hydraulic cylinder seat and the third hydraulic cylinder seat, and when the locking mechanism is in an open state, the free ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat can be mutually close to or far away from each other through the open-closed loop power mechanisms;
in the first step, the hydraulic cylinder seat is sleeved on the pile head, specifically,
controlling the hydraulic cylinder to enable the pile cutting steel drill rod to be in a minimum stroke, enabling the locking mechanism to be in an open state, and controlling the open-close loop power mechanism to enable free ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat to be opened, so that the hydraulic cylinder seats are in a C shape with outward openings;
the crawler belt movable type hydraulic pile cutting machine is moved to the side of the pile head to be cut by utilizing the travelling mechanism, so that the ring opening moves towards the pile head, and the pile head is positioned at the center of the hydraulic cylinder seat;
the second hydraulic cylinder seat and the third hydraulic cylinder seat rotate around the hinged position with the first hydraulic cylinder seat by opening and closing the loop power mechanism, so that the free ends are close to each other, the locking mechanism is in a locking state, and the hydraulic cylinder seats are in a closed loop state.
Compared with the prior art, the invention has the following advantages and positive effects due to the adoption of the technical scheme: according to the pile breaking device and method capable of accurately avoiding the steel bars, the horizontal position and the height of the pile cutting assembly can be adjusted through the travelling mechanism, the rotary platform, the mechanical arm and the arm support adjusting oil cylinder, the image recognition assembly can collect the distribution of the vertical steel bars of the pile head after the pile cutting assembly breaks the pile for the first time, whether the vertical steel bars are located on the moving path of the pile cutting steel bars or not is judged, each hydraulic oil cylinder can be independently controlled through the pump station and the hydraulic control center, the vertical steel bars of the pile head can be accurately avoided during secondary pile breaking, the pile head can be rapidly broken, the problem that the steel bars are extremely easy to damage during hydraulic pile breaking is solved, the steel bar planting is not needed in the later stage, and the construction efficiency and the construction quality are improved.
Drawings
Fig. 1 is a schematic structural view of a pile breaking device capable of precisely avoiding reinforcing steel bars according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a rotary platform, a mechanical arm, and a boom adjustment cylinder according to an embodiment of the present invention;
FIG. 3 is a schematic view of a pile cutting assembly according to an embodiment of the present invention;
FIG. 4 is a schematic view of a hydraulic ram and a stub drill in an embodiment of the present invention;
FIG. 5 is a schematic view of another embodiment of a stub assembly;
FIG. 6 is a schematic view of a pile cutting assembly of a pile breaking device capable of accurately avoiding reinforcing steel bars sleeved on a pile head according to an embodiment of the invention;
fig. 7 is a schematic diagram of an image acquisition device for acquiring a pile head vertical steel bar image after a first pile cutting in an embodiment of the present invention;
fig. 8 is a schematic view of a first pile-cutting in an embodiment of the present invention.
The labels in the figures are as follows:
1-pile head; 2-vertical steel bars;
10-a travelling mechanism;
20-a rotary platform;
30-a mechanical arm; 31-C-shaped ends; 32-a connecting member;
40-arm support adjusting oil cylinders;
50-pile cutting assembly; 51-a hydraulic cylinder seat; 511-upper plane steel plate; 512-lower plane steel plate; 513-facade steel plates; 514-lifting lug; 515-a first hydraulic cylinder mount; 516-a second hydraulic cylinder mount; 517-a third hydraulic cylinder seat; 518-a locking mechanism; 519-open-closed loop power mechanism; 52-a hydraulic cylinder; 53-pile cutting steel drill rod;
60-an image recognition component; 61-image acquisition device.
Detailed Description
The pile breaking device and the pile breaking method capable of accurately avoiding the reinforcing steel bars are described in further detail below with reference to the accompanying drawings and the specific embodiments. The advantages and features of the present invention will become more apparent in conjunction with the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
Example 1
As shown in fig. 1, the pile breaking device capable of accurately avoiding reinforcing steel bars provided by the embodiment comprises a travelling mechanism 10, a rotary platform 20, a mechanical arm 30, an arm support adjusting oil cylinder 40, a pile cutting assembly 50, an image recognition assembly 60, a pump station and a hydraulic control center.
The travelling mechanism 10 can adopt a crawler travelling mechanism, and comprises 2 groups of crawler belts, hydraulic motors, speed reducers, a plurality of rollers and an upper supporting platform which are arranged left and right, and the crawler travelling mechanism is used for realizing high-adaptability safe movement of the hydraulic pile cutter in complex terrains. The rollers are fixed on two sides of the supporting platform through the central shafts, the crawler belt is sleeved on the outer ring of the rollers and can synchronously slide with the rollers without rolling, the hydraulic motor is connected with the speed reducer and controls the central shafts to rotate, so that the rollers are driven to rotate, the crawler belt rotates, and the walking function is realized. The specific structure and control mode of the travelling mechanism can be realized by adopting the prior art, and the details are not repeated here. The running mechanism 10 can also adopt a conventional tire type structure, adopts a conventional structural form such as a driving wheel, a driven wheel, a driving mechanism, a transmission mechanism and the like, and the tire type running mechanism can be realized by adopting the prior art, and the specific structural form is not repeated.
Referring to fig. 1 and 2, the rotary platform 20 is disposed on a support platform, and a rotary bearing is disposed between the rotary platform 20 and the support platform, so that the rotary platform can be driven by a rotary motor to rotate in a horizontal plane.
Referring to fig. 1 and 2, the side view of the mechanical arm 30 is 7-shaped, the front end of the mechanical arm 30 is a C-shaped end 31, and the other end of the mechanical arm 30 is hinged to the rotary platform 20 and can rotate in a vertical plane along a hinge point. The two open ends of the C-shaped end 31 are respectively provided with a group of connecting members 32, the connecting members 32 are vertically arranged, and the top is connected with the open end of the C-shaped end 31 through a pin shaft. When the pile is cut, the C-shaped end head can avoid the collision between the end part of the mechanical arm and the position of the pile head, and can support the pile head when the cut pile head is transported, so that the pile head is prevented from falling to pile cutting machinery, and the safety of a pile breaking device and the personal safety of operators are ensured. The connecting member 32 may be a rod type or a chain type, and its structural matters are not limited. When the pile is cut, the C-shaped end head can avoid the collision between the end part of the mechanical arm and the position of the pile head, and can support the pile head when the cut pile head is transported, so that the pile head is prevented from falling to pile cutting machinery, and the safety of a pile breaking device and the personal safety of operators are ensured.
Referring to fig. 1 and 2, two arm support adjusting cylinders 40 are respectively arranged at two sides of the mechanical arm 30, the bottom ends of the arm support adjusting cylinders 40 are fixed with the rotary platform 20 in a pin joint manner, and the top ends of the arm support adjusting cylinders are hinged with the mechanical arm 30. The C-shaped end 31 of the mechanical arm 30 can be lifted by the extending operation of the arm support adjusting oil cylinder 40, and the C-shaped end 31 of the mechanical arm 30 can be lowered by the retracting operation of the arm support adjusting oil cylinder 40.
As shown in connection with fig. 1-4, the stub assembly 50 includes a hydraulic cylinder block 51, a hydraulic cylinder 52, and a stub drill rod 53. The hydraulic cylinder seat 51 is of an annular structure and comprises an upper planar steel plate 511, a lower planar steel plate 512 and a vertical surface steel plate 513, wherein the upper planar steel plate 511 and the lower planar steel plate 512 are oppositely arranged up and down, the top end of the vertical surface steel plate 513 is fixedly welded with the side part of the upper planar steel plate, the bottom end of the vertical surface steel plate 513 is fixedly welded with the side part of the lower planar steel plate, the vertical surface steel plate 513 is a bending steel plate, and each surface is provided with a mounting hole used for mounting a hydraulic cylinder. The telescopic end of the hydraulic cylinder 52 is fixedly connected with the tail part of the pile cutting steel rod 53, and the hydraulic cylinder 52 can drive the pile cutting steel rod 53 to move along the radial direction of the hydraulic cylinder seat 51. The pile cutting steel rod 53 comprises a tip, and the hydraulic oil cylinders 53 which are annularly distributed along the radial direction push the pile cutting steel rod 53 to symmetrically squeeze pile head concrete, so that the pile head concrete is broken along the radial direction and penetrates through to form a plane, and the pile head is cut off. Further, a guide steel pipe is arranged in the mounting hole, the guide steel pipe is arranged along the radial direction of the hydraulic cylinder seat 51, one end of the hydraulic cylinder extends into the guide steel pipe and is fixedly connected with the guide steel pipe, and the pile cutting steel drill rod 53 and the guide steel pipe are coaxial. The upper plane steel plate 511 of the hydraulic cylinder seat 51 is provided with a plurality of lifting lugs 514, and the lifting lugs 514 are fixed with the bottom of the connecting member 32 in a pin joint manner.
The image recognition assembly 60 includes an image acquisition device 61 and an image recognition processing device (not shown), the image acquisition device 61 is disposed on the mechanical arm 30, and the image recognition processing device is used for recognizing the positional relationship between the pile head vertical steel bars 2 and the pile cutting steel bars 53 and determining whether the vertical steel bars are on the moving path of the pile cutting steel bars 53.
The pump station and hydraulic control center (not shown) provides a set of independent oil paths for each hydraulic cylinder 52, and independently controls each set of oil paths to realize independent telescopic operation of the hydraulic cylinders. When the pile is cut, the hydraulic cylinder 52 without vertical steel bars on the moving path of the pile cutting steel bar 53 is subjected to cylinder extending operation, so that the hydraulic cylinder with vertical steel bars 2 on the moving path of the pile cutting steel bar 53 is kept in cylinder shrinking operation, and the phenomenon that the pile cutting steel bar 53 damages the vertical steel bars 2 of the pile head 1 during pile cutting operation can be avoided.
In one particular embodiment, as shown in FIG. 5, the hydraulic cylinder mount 51 includes a first hydraulic cylinder mount 515, a second hydraulic cylinder mount 516, and a third hydraulic cylinder mount 517. The two ends of the first hydraulic cylinder seat 515 are respectively pin-connected with one end of the second hydraulic cylinder seat 516 and one end of the third hydraulic cylinder seat 517, the other ends of the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 are free ends, the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 can rotate around pin-connected points in the same plane, the free ends of the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 are connected through a locking mechanism 518, and the locking mechanism 518 comprises a locking state and an opening state. A group of open-closed loop power mechanisms 519 are respectively arranged between the first hydraulic cylinder seat 515 and the second hydraulic cylinder seat 516 and between the first hydraulic cylinder seat 515 and the third hydraulic cylinder seat 517, and when the locking mechanism 518 is in an open state, the free ends of the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 can be mutually close to or far from each other through the open-closed loop power mechanisms 519. When the free ends of the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 are far away, the hydraulic cylinder seat 51 can form an opening, and is sleeved on the pile head from the side of the pile head. When the free ends of the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 are close to each other, the locking mechanism 518 can be locked and in a locked state, so that the hydraulic cylinder seat 51 forms a closed loop.
Example two
The present embodiment provides a pile breaking method capable of accurately avoiding a steel bar, and the pile breaking method is further described below with reference to fig. 1 to 8, and description of a pile breaking device capable of accurately avoiding a steel bar in the first embodiment. The pile breaking method comprises the following steps:
step one, referring to fig. 1 to 6, the pile breaking device capable of precisely avoiding the reinforcing steel bar is moved to the pile head 1 to be cut by the travelling mechanism 10, and the position of the pile cutting assembly 50 is adjusted, so that the hydraulic cylinder seat 51 is sleeved on the pile head, and the pile cutting steel rod 53 is at a proper height.
As an example, the level of the stub steel 53 is marked as H 1 ，H 1 Height H of reinforcement cage with pile head 2 And the tops of the vertical steel bars of the steel bar cages can be exposed when the pile is broken, and the vertical steel bars of the steel bar cages cannot be damaged. Of course, it is also possible to setIs H 1 ∈[H 0 +h 1 ,H 0 +h 2 ]Wherein H is 0 To design the elevation of the truncated pile, h 1 、h 2 Is a preset value, h 1 ＜h 2 And h 2 Is smaller than the height of the top of the reinforcement cage, such as set as h 1 ＝15cm，h 2 Even if the first pile breaking causes the damage of the steel bar, the steel bar still meets the construction requirement because the damaged part of the steel bar is a certain distance away from the designed pile cutting position.
Step two, as shown in fig. 1 to 7, all hydraulic cylinders 52 are controlled by a pump station and a hydraulic control center to perform cylinder extending operation, so that pile cutting steel bars 53 squeeze pile head concrete to perform primary pile breaking, and vertical steel bars 2 are exposed for arrangement.
Step three, referring to fig. 1 to 7, an image acquisition device 61 is used to acquire images of the pile head vertical steel bars 2, and an image recognition processing device recognizes the positional relationship between the pile head vertical steel bars 2 and the pile cutting steel bars 53 and determines whether the vertical steel bars 2 are on the moving path of the pile cutting steel bars 53.
As an example, a plane coordinate system of each pile-cutting steel drill rod 53 is established by software, each hydraulic cylinder 52 is numbered, a virtual model is established in the background, the advancing direction of the pile-cutting steel drill rod 53 is prolonged to the center of a pile foundation, and the numbers of the hydraulic cylinders of the pile-cutting steel drill rods 53 which collide with the position of the vertical steel bars 2 are recorded.
Step four, referring to fig. 1 to 8, the height of the pile cutting assembly 50 is adjusted by the mechanical arm 30 and the arm support adjusting oil cylinder 40, so that the pile cutting steel rod 53 is at the designed pile cutting elevation, and all hydraulic oil cylinders without the vertical steel bars 2 on the moving path of the pile cutting steel rod 53 are subjected to cylinder extending operation, so that the pile cutting steel rod 53 extrudes pile head concrete, secondary pile breaking is performed, and concrete at the pile cutting position is broken.
And fifthly, lifting the end part of the mechanical part and the pile cutting assembly 50 upwards by utilizing the arm support adjusting oil cylinder 40, stripping and moving the crushed concrete, and completing the pile breaking work of the pile foundation pile head 1.
Further, the hydraulic cylinder mount 51 includes a first hydraulic cylinder mount 515, a second hydraulic cylinder mount 516, and a third hydraulic cylinder mount 517; two ends of the first hydraulic cylinder seat 515 are respectively pin-connected with one end of the second hydraulic cylinder seat 516 and one end of the third hydraulic cylinder seat 517, the other ends of the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 are free ends, and the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 can rotate around pin-connected points in the same plane; the free ends of the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 are connected through a locking mechanism 518, and the locking mechanism 518 comprises a locking state and an opening state; a group of open-closed loop power mechanisms 519 are respectively arranged between the first hydraulic cylinder seat 515 and the second hydraulic cylinder seat 516 and between the first hydraulic cylinder seat 515 and the third hydraulic cylinder seat 517, and when the locking mechanism 518 is in an open state, the free ends of the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 can be mutually close to or far from each other through the open-closed loop power mechanisms 519;
in the first step, the hydraulic cylinder seat 51 is sleeved on the pile head, specifically,
controlling the hydraulic cylinders to enable the pile cutting steel bars 53 to be in a minimum stroke, enabling the locking mechanism 518 to be in an open state, and controlling the open-close loop power mechanism 519 to enable free ends of the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 to be opened, so that the hydraulic cylinder seat 51 is in an outward open C shape;
the crawler belt movable type hydraulic pile cutting machine is moved to the side of the pile head to be cut by utilizing the travelling mechanism, the ring opening is moved towards the pile head, and the pile head is positioned at the center of the hydraulic cylinder seat 51;
the second hydraulic cylinder seat 516 and the third hydraulic cylinder seat 517 are rotated around the hinge point with the first hydraulic cylinder seat 515 by opening the closed-loop power mechanism 519, so that the free ends are close, the locking mechanism 518 is in a locked state, and the hydraulic cylinder seat 51 is in a closed-loop state.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The pile breaking device capable of accurately avoiding the reinforcing steel bars is characterized by comprising a travelling mechanism, a rotary platform, a mechanical arm, an arm support adjusting oil cylinder, a pile cutting assembly, an image recognition assembly, a pump station and a hydraulic control center;
the rotary platform is arranged on the travelling mechanism and can rotate in a horizontal plane;
one end of the mechanical arm is hinged with the rotary platform and can rotate in a vertical plane along a hinge point, and the other end of the mechanical arm is provided with a connecting component; the bottom end of the arm support adjusting oil cylinder is fixed with the rotary platform in a pin joint manner, and the top end of the arm support adjusting oil cylinder is hinged with the mechanical arm;
the pile cutting assembly comprises a hydraulic oil cylinder seat, a hydraulic oil cylinder and pile cutting steel drills; the hydraulic cylinder seat is of an annular structure, a plurality of hydraulic cylinders are distributed along the annular direction, the telescopic ends of the hydraulic cylinders are fixedly connected with the tail parts of the pile cutting steel bars, and the hydraulic cylinders can drive the pile cutting steel bars to move along the radial direction of the hydraulic cylinder seat; the hydraulic cylinder seat is in pin joint with the bottom end of the connecting component;
the image recognition component is used for collecting a reinforcement photo of the pile head, recognizing the position relation between the vertical reinforcement of the pile head and the pile cutting steel rod and judging whether the vertical reinforcement is positioned on the moving path of the pile cutting steel rod or not;
the pump station and the hydraulic control center provide a group of independent oil ways for each hydraulic oil cylinder, and each group of oil ways is independently controlled; when the pile is cut, the hydraulic cylinder without the vertical steel bars on the pile cutting steel bar moving path is subjected to cylinder extending operation, so that the hydraulic cylinder with the vertical steel bars on the pile cutting steel bar moving path is kept in cylinder shrinking operation, and the pile cutting steel bars can be prevented from damaging the vertical steel bars of the pile head.
2. The pile breaking device capable of precisely avoiding reinforcing steel bars according to claim 1, wherein,
the side view of the mechanical arm is 7-shaped, the front end of the mechanical arm is a C-shaped end, two opening ends of the C-shaped end are respectively provided with a group of connecting members, the connecting members are vertically arranged, and the top of the connecting members is connected with the opening end of the C-shaped end through a pin shaft.
3. The pile breaking device capable of precisely avoiding reinforcing steel bars according to claim 1, wherein,
the hydraulic cylinder seat comprises an upper plane steel plate, a lower plane steel plate and a vertical plane steel plate, wherein the upper plane steel plate and the lower plane steel plate are oppositely arranged up and down, the top end of the vertical plane steel plate is fixedly welded with the side part of the upper plane steel plate, the bottom end of the vertical plane steel plate is fixedly welded with the side part of the lower plane steel plate, the vertical plane steel plate is a bending steel plate, and each surface is provided with a mounting hole for mounting the hydraulic cylinder.
4. A pile breaking device capable of precisely avoiding reinforcing steel bars according to claim 3, wherein,
the installation hole is internally provided with a guide steel pipe, the guide steel pipe is arranged along the radial direction of the hydraulic cylinder seat, one end of the hydraulic cylinder extends into the guide steel pipe and is fixedly connected with the guide steel pipe, and the pile cutting steel drill rod and the guide steel pipe are coaxial.
5. The pile breaking device capable of precisely avoiding reinforcing steel bars according to claim 1, wherein,
the hydraulic cylinder seat comprises a first hydraulic cylinder seat, a second hydraulic cylinder seat and a third hydraulic cylinder seat;
the two ends of the first hydraulic cylinder seat are respectively in pin joint with one end of the second hydraulic cylinder seat and one end of the third hydraulic cylinder seat, the other ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat are free ends, and the second hydraulic cylinder seat and the third hydraulic cylinder seat can rotate around pin joint points in the same plane;
the free ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat are connected through a locking mechanism, and the locking mechanism comprises a locking state and an opening state;
a group of open-closed loop power mechanisms are respectively arranged between the first hydraulic cylinder seat and the second hydraulic cylinder seat and between the first hydraulic cylinder seat and the third hydraulic cylinder seat, and when the locking mechanism is in an open state, the free ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat can be mutually close to or far away from each other through the open-closed loop power mechanisms.
6. A pile breaking method capable of accurately avoiding steel bars, characterized in that pile breaking operation is performed by adopting the pile breaking device capable of accurately avoiding steel bars according to claim 1, and the pile breaking method comprises the following steps:
step one, moving a pile breaking device to a pile head of a pile to be cut through a travelling mechanism, and adjusting the position of a pile cutting assembly to enable a hydraulic cylinder seat to be sleeved on the pile head, so that pile cutting steel drills are at proper heights;
controlling all hydraulic cylinders to extend through a pump station and a hydraulic control center, so that pile head concrete is extruded by pile cutting steel bars, and the pile is broken for the first time, and vertical steel bars are exposed;
thirdly, acquiring images of pile head vertical steel bars by utilizing an image identification assembly, identifying the position relation between the pile head vertical steel bars and pile cutting steel bars, and judging whether the vertical steel bars are positioned on a moving path of the pile cutting steel bars;
step four, adjusting the height of the pile cutting assembly through a mechanical arm and an arm support adjusting oil cylinder to enable pile cutting steel bars to be at the designed pile cutting elevation, and performing cylinder extension operation on all hydraulic oil cylinders without vertical steel bars on a pile cutting steel bar moving path to enable the pile cutting steel bars to squeeze pile head concrete, performing secondary pile breaking, and breaking concrete at the pile cutting position;
and fifthly, utilizing an arm support adjusting oil cylinder to enable the end part of the mechanical part and the pile cutting assembly to be lifted upwards, stripping and moving broken concrete, and completing pile breaking of pile foundation pile heads.
7. The pile breaking method capable of precisely avoiding steel bars according to claim 6, wherein,
in the first step, the steel drill rod of the truncated pile is at a proper height, namely the elevation H of the steel drill rod of the truncated pile 1 Height H of reinforcement cage with pile head 2 And the tops of the vertical steel bars of the steel bar cages can be exposed when the pile is broken, and the vertical steel bars cannot be damaged.
8. The pile breaking method capable of precisely avoiding steel bars according to claim 6, wherein,
the hydraulic cylinder seat comprises a first hydraulic cylinder seat, a second hydraulic cylinder seat and a third hydraulic cylinder seat; the two ends of the first hydraulic cylinder seat are respectively in pin joint with one end of the second hydraulic cylinder seat and one end of the third hydraulic cylinder seat, the other ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat are free ends, and the second hydraulic cylinder seat and the third hydraulic cylinder seat can rotate around pin joint points in the same plane; the free ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat are connected through a locking mechanism, and the locking mechanism comprises a locking state and an opening state; a group of open-closed loop power mechanisms are respectively arranged between the first hydraulic cylinder seat and the second hydraulic cylinder seat and between the first hydraulic cylinder seat and the third hydraulic cylinder seat, and when the locking mechanism is in an open state, the free ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat can be mutually close to or far away from each other through the open-closed loop power mechanisms;
in the first step, the hydraulic cylinder seat is sleeved on the pile head, specifically,
controlling the hydraulic cylinder to enable the pile cutting steel drill rod to be in a minimum stroke, enabling the locking mechanism to be in an open state, and controlling the open-close loop power mechanism to enable free ends of the second hydraulic cylinder seat and the third hydraulic cylinder seat to be opened, so that the hydraulic cylinder seats are in a C shape with outward openings;
the crawler belt movable type hydraulic pile cutting machine is moved to the side of the pile head to be cut by utilizing the travelling mechanism, so that the ring opening moves towards the pile head, and the pile head is positioned at the center of the hydraulic cylinder seat;
the second hydraulic cylinder seat and the third hydraulic cylinder seat rotate around the hinged position with the first hydraulic cylinder seat by opening and closing the loop power mechanism, so that the free ends are close to each other, the locking mechanism is in a locking state, and the hydraulic cylinder seats are in a closed loop state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311814446.3A CN117779766A (en) | 2023-12-26 | 2023-12-26 | Pile breaking device and method capable of accurately avoiding reinforcing steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311814446.3A CN117779766A (en) | 2023-12-26 | 2023-12-26 | Pile breaking device and method capable of accurately avoiding reinforcing steel bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117779766A true CN117779766A (en) | 2024-03-29 |
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ID=90384646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311814446.3A Pending CN117779766A (en) | 2023-12-26 | 2023-12-26 | Pile breaking device and method capable of accurately avoiding reinforcing steel bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117779766A (en) |
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2023
- 2023-12-26 CN CN202311814446.3A patent/CN117779766A/en active Pending
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