Visual pile bottom slag removal equipment and construction method

Abstract

The invention discloses visual pile bottom slag removing equipment which comprises an outer frame, at least three bag type pressurizing assemblies, an inner frame, a lifting mechanism, a suction cup, a deep-well pump, a booster pump and at least one radar level meter. The construction method comprises the following steps that S1, equipment is placed in a pile hole, and the booster pump is started; s2, a lifting mechanism is controlled to enable equipment to descend along the pile hole until the suction cup just makes contact with sediment at the bottom of the pile; s3, a deep-well pump is started; s4, keeping the lower end of the sucker in contact with the upper surface of sediment; s5, when the extension amount of the telescopic air cylinder reaches the maximum, a water pump is started; s6, when the suction cup cannot adsorb a large amount of sediment, the water pump is closed, and the step S2 is executed; after the suction cup makes contact with the bottom of the pile hole or the sediment depth meets the requirement, the deep-well pump is closed, the lifting mechanism is controlled to make the equipment ascend to the pile hole opening along the pile hole, the booster pump is closed, and the equipment is taken out. According to the device, sediment at the bottom of the pile hole in the environment with poor geologic structure stability can be cleaned, and the cleaning process can be visually monitored.

Description

Technical Field

[0001] The invention relates to the field of slag cleaning at the bottom of a building pile hole, and in particular to a visual pile bottom slag cleaning device and a construction method. Background Art

[0002] After the construction pile holes are drilled, there is a lot of sediment at the bottom of the piles due to reasons such as pile hole wall collapse, sedimentation, drilling residue, and unreasonable hole cleaning process selection. According to the "Technical Specifications for Building Pile Foundations" (JGJ94-2008), the sediment thickness of end-bearing piles is ≤50mm, and the sediment thickness of friction piles is ≤100mm. Therefore, after the construction pile holes are drilled, the pile hole sediment needs to be tested. If the sediment thickness exceeds the standard, the pile bottom sediment needs to be cleaned a second time to meet the technical specifications.

[0003] At present, secondary hole cleaning technology can be divided into the following three categories according to the sediment circulation method: positive circulation hole cleaning process, sediment cyclone positive circulation hole cleaning process, air lift reverse circulation hole cleaning process, and pump suction reverse circulation secondary hole cleaning process.

[0004] The sediment positive circulation hole cleaning process is a commonly used hole cleaning method. The sediment pumped by the sediment pump passes through a hose and is connected to the perfusion pipe at the hole mouth, and the sediment is sent to the bottom of the hole; the sediment sent to the bottom of the hole is suspended and carries the sediment at the bottom of the hole, and then returns to the ground through the annular space between the perfusion pipe and the hole wall, flows into the circulation ditch, sedimentation tank, and then enters the sediment tank for recycling.

[0005] The sediment cyclone positive circulation hole cleaning process introduces a sediment cyclone-assisted hole cleaning process on the basis of the sediment positive circulation hole cleaning process. That is, a sediment cyclone is connected in series on the ground to the hose that the sediment pump uses to pump the sediment into the bottom of the hole. The coarse particles in the sediment are discharged before the sediment is pumped into the bottom of the hole, and the slurry and slag are effectively separated in advance to ensure that high-quality sediment enters the bottom of the hole, reduce the repeated introduction of rock slag, and effectively improve the slag carrying capacity of the sediment, greatly shortening the hole cleaning time, thereby improving work efficiency and ensuring the hole cleaning effect.

[0006] The pump-suction reverse circulation secondary hole cleaning process uses the suction effect of the sand and gravel pump to create a negative pressure state in the inner cavity of the irrigating tube. Under the action of atmospheric pressure, the sediment in the annular space between the irrigating tube and the hole wall flows to the bottom of the hole and is sucked into the inner cavity of the irrigating tube. It then rises to the ground sediment circulation system, and after sedimentation treatment in the sediment sedimentation tank, it flows into the hole through the sediment tank and sediment circulation ditch.

[0007] The air lift reverse circulation hole cleaning process is to insert a galvanized pipe about 2 / 3 of the hole depth into the catheter to send high-pressure air into the catheter to a depth of 2 / 3 of the hole, mix it with the sediment in the catheter, and generate a low-pressure area in the catheter after inflation. The pressure difference between the inside and outside of the catheter increases continuously with continuous inflation. When a certain pressure difference is reached, the balance is broken, and the sediment is forced to be ejected upward from the catheter under the action of high pressure. At the same time, the rock debris at the bottom of the hole is carried by the high-speed sediment and ejected from the catheter to the orifice.

[0008] When the geological structure is less stable, such as in collapsible geology, when using the sediment positive circulation hole cleaning process or the sediment cyclone positive circulation hole cleaning process, the sediment will flow upward and impact the inner wall of the pile hole, causing damage to the inner wall of the pile hole or even collapse of the hole; when using the air lift reverse circulation hole cleaning process, when the pressure difference balance is broken, a strong impact will be generated, affecting the stability of the inner wall of the pile hole; at the same time, the above processes and the pump suction reverse circulation secondary hole cleaning process will inevitably experience unstable swings during the process of raising and lowering the pile hole, causing impact and scratching on the inner wall of the pile hole, thereby destroying the stability of the inner wall of the pile hole.

[0009] Moreover, the existing technology is unable to visually monitor the sediment situation at the bottom of the pile hole, resulting in the inability to obtain the actual sediment cleaning situation. Summary of the Invention

[0010] In view of the above-mentioned defects of the prior art, the purpose of the present invention is to provide a visual pile bottom cleaning device and construction method, which can clean the sediment at the bottom of the pile hole with poor geological structure stability, protect the inner wall of the pile hole, and the cleaning process can be visually monitored.

[0011] The objective of the present invention is achieved through such technical solution:

[0012] A visual pile bottom slag cleaning device, comprising:

[0013] External frame, with an outer diameter smaller than the pile hole diameter;

[0014] At least three bladder-type pressurizing assemblies are arranged in a uniform circumferential array on the outside of the outer frame; the bladder-type pressurizing assemblies are fixed to the outer surface of the outer frame; the outer contour diameter of all the bladder-type pressurizing assemblies before pressurization is smaller than the inner diameter of the pile hole; the bladder-type pressurizing assemblies include: two side baffles, which are arranged opposite to each other, the tail ends of the side baffles are fixed to the outer wall of the outer frame, and a gap is left between the head ends of the side baffles and the pile hole; the side baffles are provided with through holes; a first slewing bearing is sleeved in the through holes; a shaft rod, both ends of which pass through the through holes on the two side baffles and are connected to the first slewing bearing. The inner ring of a rotary bearing is fixedly connected; the interior of the shaft is hollow; the shaft is provided with a plurality of air outlet holes; an air bag, in the shape of a donut, is externally mounted on the shaft, and has an inner diameter larger than the outer diameter of the shaft. When the air bag is pressurized, the air bag is pressed against the inner wall of the pile hole. As the outer frame moves along the axis of the pile hole, the air bag rotates around the shaft, and the surface of the air bag rolls along the inner wall of the pile hole, and the outer surface of the inner ring of the air bag is fixedly connected to the surface of the shaft; the inner ring of the air bag is provided with a plurality of through holes connected to the air outlet holes; a first rotary joint is externally mounted on the shaft, and the inner joint is connected to the interior of the shaft;

[0015] The inner frame is arranged inside the outer frame and is fixedly connected to the outer frame through a plurality of connecting rods; the plurality of connecting rods are arranged in a circle around the center of the outer frame;

[0016] The lifting mechanism is fixedly connected to the inner frame and controlled so that the inner frame can be raised and lowered in the pile hole;

[0017] A suction cup is provided on the lower surface of the inner frame and is open downward; a plurality of notches are provided on the end surface of the wing plate of the suction cup;

[0018] A deep well pump is provided on the lifting mechanism, and its water inlet is connected to the interior of the suction cup;

[0019] A booster pump, the air outlet of which is connected to the external joint of the first rotary joint;

[0020] At least one radar level meter is arranged on the lower surface of the suction cup or the lower surface of the inner clamp, facing the bottom of the pile hole.

[0021] Furthermore, all the bladder-type pressurizing assemblies are connected end to end; the two shafts of two adjacent bladder-type pressurizing assemblies are connected together through a universal joint;

[0022] The side baffle is in the shape of a bent plate, the plate surface is parallel to the axis of the outer frame, and the tail end of the side baffle is fixed to the outer surface of the outer frame; the head and tail side baffles of adjacent bladder-type pressurizing assemblies are connected into a U shape, with the opening facing the outer wall of the outer frame; the airbag pressurization is located in the space surrounded by the baffle, the outer frame and the inner wall of the pile hole; the rear surface of the airbag pressurization is squeezed against the outer surface of the outer frame, the inner wall of the pile hole and the outer plate surface of the side baffle.

[0023] Furthermore, the cross section of the side baffle includes, from the tail end to the head end, a base portion, a bent portion, a folded portion, and a connecting portion;

[0024] The base portion is fixedly connected to the outer surface of the outer frame; the plate surface of the base portion is perpendicular to the surface of the outer frame;

[0025] The bending portion is provided with a perforation; the axis of the shaft is perpendicular to the plate surface of the bending portion; the angle between the plate surface of the bending portion and the base portion is greater than 120 degrees;

[0026] The end of the connecting portion is seamlessly connected to the connecting portion on the side baffle of the adjacent bladder-type pressurizing assembly; the angle between the plate surface of the connecting portion and the plate surface of the folded portion is greater than 100 degrees;

[0027] A gap is left between the outer surface of the connecting portion and the inner wall of the pile hole;

[0028] The outer frame, the connecting portion, the bending portion, the folding portion, and the connecting portion are connected at the rounded corners facing the airbag area;

[0029] Along the axis of the outer frame, the rotating shaft divides the space enclosed by the baffle, the outer frame and the inner wall of the pile hole into an inner cavity and an outer cavity; the volume ratio of the inner cavity space to the outer cavity space is 0.5 to 1.5;

[0030] Also includes:

[0031] The top pipe has a closed upper end connected to the lifting mechanism, and a lower end pointing to the upper surface of the inner frame and fixedly connected to the upper surface of the inner frame; a through hole is provided on the side of the top pipe for the water inlet pipe of the deep well pump to pass through, and a hole is provided in the middle of the inner frame, and the hole is located in the top pipe; the water inlet pipe of the deep well pump passes through the hole and communicates with the interior of the suction cup;

[0032] an annular wing plate, the outer sleeve of which is fixed to the outer surface of the top pipe;

[0033] At least two telescopic cylinders have bottom ends fixedly connected to the lower surface of the annular wing plate, and head ends passing through the inner frame and fixedly connected to the outer surface of the suction cup; and control the lifting and lowering of the suction cup relative to the inner frame.

[0034] Furthermore, the suction cup is a dish-shaped hard suction cup; the outer diameter of the suction cup is not less than 0.8 times the inner diameter of the outer frame;

[0035] A bowl-shaped buckle plate is provided on the top of the suction cup, and a notch is provided in the middle of the bowl-shaped buckle plate for the passage of the telescopic cylinder and the water inlet pipe of the deep well pump; the bowl-shaped buckle plate is buckled on the outer surface of the suction cup, and the inner contour is the same as the outer surface of the suction cup; the bowl-shaped buckle plate is hollow; a plurality of water outlets are provided at the end of the bowl-shaped buckle plate, and the axes of the water outlets are parallel to the wing plate of the suction cup and point to the bottom of the pile hole;

[0036] It also includes: a water pump, the water outlet of which is communicated with the interior of the bowl-shaped gusset plate.

[0037] Furthermore, the suction cup comprises:

[0038] The top plate is in a disc shape, and the upper surface is fixedly connected to the head end of the telescopic cylinder; the lower end of the water inlet pipe of the deep well pump passes through the top plate and is connected to the lower surface of the top plate; the outer diameter of the top plate is smaller than the inner diameter of the outer frame; the radar level meter is installed on the lower surface of the top plate;

[0039] A plurality of elastically deformable frames are arranged in a uniform circle around the center of the top plate, with the head ends fixedly connected to the outer side of the top plate and the tail ends pointing obliquely downward toward the inner wall of the pile hole; when the telescopic cylinder is shortened, the frames interfere with the inner wall of the outer frame and completely deform; the outer diameter of all the frames in their natural state is not less than 0.9 times the inner diameter of the pile hole;

[0040] The elastic covering film is laid on the lower surface of the frame and the top plate in the shape of a dish, with the opening pointing to the bottom of the pile hole.

[0041] Furthermore, it also includes:

[0042] A second slewing bearing is provided on the lower surface of the inner frame; a first toothed belt is provided on the circumferential surface of the outer ring of the second slewing bearing;

[0043] a first drive motor, disposed on the inner frame, wherein a first gear is provided at the end of a rotating shaft of the first drive motor, and the first gear is engaged with a first toothed belt;

[0044] The water inlet pipe of the deep well pump passes through the center of the inner frame and is fixedly connected to the inner ring of the second slewing bearing; the water inlet pipe of the deep well pump above the fixed connection with the inner ring of the second slewing bearing is a soft pipe, and the water inlet pipe of the deep well pump below the fixed connection with the inner ring of the second slewing bearing is a hard pipe;

[0045] The second slewing joint is located below the second slewing bearing and is installed at the lower portion of the water inlet pipe of the deep well pump, dividing the lower portion of the water inlet pipe of the deep well pump into an upper section and a lower section that can rotate relative to each other; the upper section of the water inlet pipe of the deep well pump is fixedly connected to the inner ring of the second slewing bearing;

[0046] A second drive motor is mounted on a second slewing bearing, and a second gear is provided at the end of the rotating shaft of the second drive motor; a second toothed belt is provided on the outer side of the lower section of the water inlet pipe of the deep well pump; the second gear is meshed with the second toothed belt; the suction cup is eccentrically connected to the lower end of the water inlet pipe of the deep well pump; when the first drive motor and the second drive motor rotate, the suction cup is driven to sweep over more than 90% of the area of ​​the pile bottom;

[0047] The low-pressure adsorption component is arranged on the lower surface of the inner frame, facing the bottom of the pile hole;

[0048] The air pressure control component is connected to the low-pressure adsorption component.

[0049] Furthermore, the low-pressure adsorption component includes:

[0050] The telescopic mechanism is vertically downwardly arranged on the lower surface of the inner frame;

[0051] The pressurized shaping bag is hollow inside, and its upper surface is fixedly connected to the telescopic end of the telescopic mechanism. The pressurized shaping bag is disc-shaped in its natural state. After pressurization, the pressurized shaping bag is disc-shaped with an expanded outer diameter. The pressurized shaping bag can be staggered with the suction cup in its natural state.

[0052] The adsorption capsule is hollow inside, and has a plurality of mesh grooves on its inner surface. The upper surface of the adsorption capsule is bonded to the lower surface of the pressurized shaping capsule. The adsorption capsule is disc-shaped in its natural state. When the pressurized shaping capsule is pressurized, the adsorption capsule expands synchronously. The lower surface of the adsorption capsule is provided with a plurality of low-pressure holes communicating with the interior thereof.

[0053] The air pressure control assembly includes:

[0054] A booster pump, the air outlet of which is connected to the pressurized shaping bag;

[0055] A water suction pump, wherein the water inlet is connected to the interior of the adsorption capsule;

[0056] It also includes at least two impact tubes, which pass through the inner frame and have their ends facing the bottom of the pile hole; the ends of the impact tubes can be staggered with the suction cup and the pressurized shaping bag in the natural state;

[0057] The impact pump has a water outlet connected to the impact pipe.

[0058] A construction method of a visual pile bottom slag cleaning device comprises the following steps:

[0059] S1. Place the device in the pile hole, start the booster pump, and inject gas into the airbag so that the airbag squeezes the inner wall of the pile hole;

[0060] S2. Control the lifting mechanism to lower the equipment along the pile hole, and observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter until the suction cup just touches the sediment at the bottom of the pile;

[0061] S3, start the deep well pump, and the suction cup sucks away the sediment at the bottom of the pile hole;

[0062] S4. Observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter, and synchronously control the extension of the telescopic cylinder to keep the lower end of the suction cup in contact with the upper surface of the sediment;

[0063] S5. When the extension of the telescopic cylinder reaches its maximum, start the water pump to inject high-pressure water into the bowl-shaped gusset plate to impact the sediment directly below the airbag;

[0064] S6. Observe the sediment height at the bottom of the pile hole through the radar level meter. When the suction cup cannot absorb a large amount of sediment, turn off the water pump and go to step S2. When the suction cup contacts the bottom of the pile hole or the sediment depth meets the requirement, turn off the deep well pump, control the lifting mechanism to make the equipment rise along the pile hole until the equipment reaches the pile hole entrance, turn off the booster pump, and remove the equipment when the air bag and the inner wall of the pile hole no longer squeeze each other.

[0065] A construction method of a visual pile bottom slag cleaning device comprises the following steps:

[0066] S1. Place the device in the pile hole, start the booster pump, and inject gas into the airbag so that the airbag squeezes the inner wall of the pile hole;

[0067] S2. Control the lifting mechanism to lower the equipment along the pile hole, and observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter until the suction cup just touches the sediment at the bottom of the pile;

[0068] S3, start the deep well pump, and the suction cup sucks away the sediment at the bottom of the pile hole;

[0069] S4. The height difference between the suction cup and the sediment at the bottom of the pile hole is observed by the radar level meter. The extension of the telescopic cylinder is synchronously controlled to keep the lower end of the suction cup in contact with the upper surface of the sediment. At this time, the frame slowly returns to its natural extension state, the outer diameter of the suction cup increases, and the sediment directly below the airbag is sucked away.

[0070] S5. When the extension of the telescopic cylinder reaches its maximum, the height of the sediment at the bottom of the pile hole is observed by the radar level meter. When the suction cup is unable to absorb a large amount of sediment, the lifting mechanism is controlled to lower the equipment along the pile hole. The height difference between the suction cup and the sediment at the bottom of the pile hole is observed by the radar level meter until the suction cup just touches the sediment at the bottom of the pile.

[0071] S6. When the suction cup contacts the bottom of the pile hole or the sediment depth meets the requirement, the telescopic cylinder is controlled to retract, and the lifting mechanism is synchronously controlled to make the equipment descend along the pile hole until the telescopic cylinder is fully retracted and the airbag is against the bottom of the pile hole;

[0072] S7. Turn off the deep well pump and control the lifting mechanism to make the equipment rise along the pile hole until it reaches the pile hole entrance. Turn off the booster pump and remove the equipment when the air bag and the inner wall of the pile hole no longer squeeze each other.

[0073] A construction method of a visual pile bottom slag cleaning device comprises the following steps:

[0074] S1. Place the device in the pile hole, start the booster pump, and inject gas into the airbag so that the airbag squeezes the inner wall of the pile hole;

[0075] S2. Control the lifting mechanism to lower the equipment along the pile hole, and observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter until the suction cup just touches the sediment at the bottom of the pile;

[0076] S3, start the deep well pump, the first drive motor, and the second drive motor, and the suction cup rotates along the water inlet pipe of the deep well pump in the pile hole, while sweeping the pile hole along the center of the inner frame to suck away the sediment at the bottom of the pile hole;

[0077] S4. Observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter. When the suction cup is at a certain height away from the upper surface of the sediment, start the impact pump to impact the sediment.

[0078] S5. Observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter. When the suction cup is separated from the upper surface of the sediment by a certain height, turn off the impact pump and enter step S2. When there are large stones at the bottom of the pile hole that cannot be sucked away, causing the sediment suction to be unable to continue, turn off the impact pump, control the first drive motor and the second drive motor to reset the suction cup and dislocate it from the adsorption bag; when the suction cup contacts the bottom of the pile hole or the sediment depth meets the requirement, turn off the deep well pump and the impact pump, control the lifting mechanism to make the equipment rise along the pile hole until the equipment reaches the pile hole entrance, turn off the booster pump, and remove the equipment when the air bag and the inner wall of the pile hole no longer squeeze each other;

[0079] S6, controlling the extension of the telescopic mechanism so that the height of the pressurized shaping bag is lower than the suction cup;

[0080] S7, start the booster pump to expand the pressurized shaping capsule plane, and at the same time drive the adsorption capsule to expand synchronously;

[0081] S8, controlling the telescopic mechanism to extend until the adsorption capsule squeezes and wraps the stone;

[0082] S9, control the water suction pump to work, then turn off the booster pump, and the stone is adsorbed by the low pressure while being wrapped by the adsorption bag under the pressure shaping bag shrinking;

[0083] S10, control the lifting mechanism to make the equipment rise along the pile hole until the equipment reaches the pile hole entrance, turn off the booster pump, when the air bag and the inner wall of the pile hole no longer squeeze each other, take out the equipment, turn off the water suction pump, absorb the captured stones, and then enter step S1.

[0084] Due to the adoption of the above technical solution, the present invention has the following advantages:

[0085] 1. As the equipment is raised or lowered within the pile hole, the bladder-type pressure assembly compresses against the inner wall of the pile hole, stabilizing the wall while preventing direct impact or scraping between the equipment and the inner wall. The airbag and the inner wall of the pile hole roll relative to each other, preventing longitudinal shear forces from being applied. Furthermore, the airbag can adapt to irregularities in the inner wall by deforming itself.

[0086] 2. Use a suction cup to directly extract the sediment at the bottom of the pile hole, reduce the flow rate of the mud inside the pile hole, and protect the inner wall of the pile hole; at the same time, it can control the exchange volume with the external mud to ensure that the specific gravity of the mud in various places in the pile hole remains relatively stable, thereby avoiding the collapse of the pile hole due to imbalance of specific gravity.

[0087] 3. During the sediment cleaning process, the radar level meter can detect the sediment situation and provide real-time monitoring and feedback on the cleaning progress, making the sediment cleaning visual.

[0088] Other advantages, objects and features of the present invention will be described in part in the following description and, in part, will be apparent to those skilled in the art based on an examination of the following or may be learned from the practice of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0089] Figure 1 1 is a schematic cross-sectional view of the visualized pile bottom slag cleaning device in Example 1 when it is lowered in the pile hole;

[0090] Figure 2 yes Figure 1 AA cut-away structural diagram;

[0091] Figure 3 yes Figure 2 The enlarged structural diagram at B in the middle;

[0092] Figure 4 1 is a schematic cross-sectional view of the visual pile bottom slag cleaning device in Example 1 when cleaning sediment in a pile hole;

[0093] Figure 5 yes Figure 4 Schematic diagram of the cross-section structure of CC;

[0094] Figure 6 yes Figure 5 The enlarged structural diagram at D in the middle;

[0095] Figure 7 2 is a schematic cross-sectional view of the visualized pile bottom slag cleaning device when it is lowered in the pile hole in Example 2;

[0096] Figure 8 yes Figure 7 The enlarged structural diagram at E in the middle;

[0097] Figure 9 yes Figure 7 Schematic diagram of the cutaway structure of FF;

[0098] Figure 102 is a schematic cross-sectional view of the visualization pile bottom slag cleaning device in Example 2 when cleaning sediment in a pile hole;

[0099] Figure 11 Schematic diagram of the cross-sectional structure of the visualized pile bottom slag cleaning device when it descends in the pile hole in Example 3;

[0100] Figure 12 yes Figure 11 The schematic diagram of the structure at G in the middle is enlarged;

[0101] Figure 13 yes Figure 11 Middle HH cut-away structure diagram;

[0102] Figure 14 2 is a schematic cross-sectional view of the visualization pile bottom slag cleaning device in Example 3 when cleaning sediment in a pile hole;

[0103] Figure 15 Schematic diagram of the cross-sectional structure of the visual pile bottom slag cleaning device in Example 3 when cleaning stones in the pile hole;

[0104] In the figure: 1. External frame; 211. Base; 212. Bend; 2121. Perforation; 213. Fold; 214. Connecting portion; 23. Shaft; 231. Air outlet; 24. Airbag; 241. Through hole; 25. First rotary joint; 26. Universal joint; 3. Internal frame; 31. Connecting rod; 4. Lifting mechanism; 5. Suction cup; 51. Top plate; 52. Frame; 53. Elastic coating; 54. Notch; 6. Deep well pump; 7. Radar level gauge; 8. Jacking pipe; 9. Annular wing plate; 1 0. Telescopic cylinder; 11. Bowl-shaped buckle plate; 111. Notch; 112. Water outlet; 13. Second slewing bearing; 131. First toothed belt; 14. First drive motor; 141. First gear; 15. Second slewing joint; 16. Water inlet pipe; 161. Second toothed belt; 162. Upper section; 163. Lower section; 17. Second drive motor; 171. Second gear; 181. Telescopic mechanism; 182. Pressurized shaping bladder; 183. Adsorption bladder; 201. Impact tube; 300. Pile hole. DETAILED DESCRIPTION

[0105] The present invention will be further described below with reference to the embodiments.

[0106] Example 1:

[0107] like Figure 1-6 As shown, a visual pile bottom slag cleaning device is characterized by comprising:

[0108] The outer frame 1 has an outer diameter smaller than the pile hole 300 diameter;

[0109] At least three bladder-type pressurizing assemblies are arranged in a uniform circumferential array on the outside of the outer frame 1; the bladder-type pressurizing assemblies are fixedly connected to the outer surface of the outer frame 1; the outer contour diameter of all the bladder-type pressurizing assemblies before pressurization is smaller than the inner diameter of the pile hole 300; after the bladder-type pressurizing assemblies are pressurized, the airbags 24 thereof are squeezed against the inner wall of the pile hole 300, and as the outer frame 1 moves along the axis of the pile hole 300, the airbags 24 rotate around their axis, and the surface of the airbags 24 rolls along the inner wall of the pile hole 300; the bladder-type pressurizing assemblies include: two side baffles, which are arranged opposite to each other, the tail ends of the side baffles are fixedly connected to the outer wall of the outer frame 1, and a space is left between the head ends of the side baffles and the pile hole 300 The side baffle is provided with a through-hole 2121; the first slewing bearing is sleeved in the through-hole 2121; the shaft 23 has two ends passing through the through-holes 2121 on the two side baffles and is fixedly connected to the inner ring of the first slewing bearing; the shaft 23 is hollow; the shaft 23 is provided with a plurality of air outlet holes 231; the airbag 24 is donut-shaped and is sleeved on the shaft 23, with an inner diameter larger than the outer diameter of the shaft 23; the outer surface of the inner ring is fixedly connected to the surface of the shaft 23; the inner ring of the airbag 24 is provided with a plurality of through-holes 241 communicating with the air outlet holes 231; the first slewing joint 25 is sleeved on the shaft 23, and the inner joint is communicated with the interior of the shaft 23;

[0110] The inner frame 3 is arranged inside the outer frame 1 and is fixedly connected to the outer frame 1 through a plurality of connecting rods 31; the plurality of connecting rods 31 are arranged in a circle around the center of the outer frame 1;

[0111] The lifting mechanism 4 is fixedly connected to the inner frame 3 and controls the inner frame 3 to rise and fall in the pile hole 300;

[0112] The suction cup 5 is provided on the lower surface of the inner frame 3 and is open downward; the end surface of the wing plate of the suction cup 5 is provided with a plurality of notches 54;

[0113] A deep well pump 6 is provided on the lifting mechanism 4, and its water inlet is connected to the interior of the suction cup 5;

[0114] A booster pump (not shown), the air outlet of which is connected to the external connector of the first rotary joint 25;

[0115] At least one radar level meter 7 is disposed on the lower surface of the suction cup 5 or the lower surface of the inner clamp, facing the bottom of the pile hole 300 .

[0116] As the device is raised or lowered within the pile hole 300, the bladder-type pressurizing assembly compresses against the inner wall of the pile hole 300, stabilizing the inner wall while preventing direct impact or scraping between the device and the inner wall. The airbag 24 rolls relative to the inner wall of the pile hole 300, preventing longitudinal shear forces from being applied. Furthermore, the airbag 24 adapts to irregularities in the inner wall of the pile hole 300 by deforming itself.

[0117] The suction cup 5 is used to directly extract the sediment at the bottom of the pile hole 300, reduce the flow rate of the mud liquid inside the pile hole 300, and protect the inner wall of the pile hole 300; at the same time, the exchange amount of the mud with the outside can be controlled to ensure that the specific gravity of the mud liquid at various locations in the pile hole 300 remains relatively stable, thereby avoiding the collapse of the pile hole 300 due to imbalance of specific gravity.

[0118] During the sediment cleaning process, the radar level meter 7 can detect the sediment situation and provide real-time monitoring and feedback on the cleaning progress, making the sediment cleaning visual.

[0119] In this embodiment, if Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 As shown, all the bladder-type pressurizing assemblies are connected end to end; the two shafts 23 of two adjacent bladder-type pressurizing assemblies are connected together through a universal joint 26;

[0120] The side baffle is in the shape of a bent plate, and the plate surface is parallel to the axis of the outer frame 1. The tail end of the side baffle is fixed to the outer surface of the outer frame 1; the head and tail side baffles of adjacent bladder-type pressurizing assemblies are connected in a U shape, with the opening facing the outer wall of the outer frame 1; the air bag 24 for pressurization is located in the space surrounded by the baffle, the outer frame 1 and the inner wall of the pile hole 300; the surface of the air bag 24 after pressurization is squeezed against the outer surface of the outer frame 1, the inner wall of the pile hole 300 and the outer plate surface of the side baffle.

[0121] The various bladder-type pressurizing components are connected end to end, thereby increasing the strength of the overall structure. At the same time, the surface of the airbag 24 is wrapped and protected as much as possible, thereby increasing the durability of the airbag 24.

[0122] like Figure 3 As shown, the cross section of the side baffle includes, from the tail end to the head end, a base portion 211, a bent portion 212, a folded portion 213, and a connecting portion 214;

[0123] The base portion 211 is fixedly connected to the outer surface of the outer frame 1; the plate surface of the base portion 211 is perpendicular to the surface of the outer frame 1;

[0124] The bending portion 212 is provided with a through hole 2121; the axis of the shaft 23 is perpendicular to the plate surface of the bending portion 212; the angle between the plate surface of the bending portion 212 and the base portion 211 is greater than 120 degrees;

[0125] The end of the connecting portion 214 is seamlessly connected to the connecting portion 214 on the side baffle of the adjacent bladder-type pressurizing assembly; the angle between the plate surface of the connecting portion 214 and the plate surface of the folded portion 213 is greater than 100 degrees;

[0126] A gap is left between the outer surface of the connecting portion 214 and the inner wall of the pile hole 300;

[0127] The joints between the outer frame 1, the connecting portion 214, the bending portion 212, the folding portion 213, and the connecting portion 214 are rounded in the area facing the airbag 24;

[0128] Along the axis of the outer frame 1, the rotating shaft divides the space enclosed by the baffle, the outer frame 1 and the inner wall of the pile hole 300 into an inner cavity and an outer cavity; the volume ratio of the inner cavity space to the outer cavity space is 0.5 to 1.5;

[0129] Designing the side baffles as an irregular plate allows for installation of the universal joint 26 and the first rotary joint 25, while also providing better conditions for the installation and positioning of the shaft 23, ensuring that the shaft 23 is perpendicular to the bend 212. Although the airbag 24 has a certain degree of elasticity, its deformation at various locations must be controlled within a certain range. Excessive deformation will degrade the stability of the airbag 24. Therefore, the volume ratio of the inner cavity to the outer cavity is set between 0.5 and 1.5, with an optimal value of 1.

[0130] like Figure 4 As shown, it also includes:

[0131] The top pipe 8 has a closed upper end connected to the lifting mechanism 4, and a lower end pointing to the upper surface of the inner frame 3 and fixed to the upper surface of the inner frame 3; a through hole is provided on the side of the top pipe 8 for the water inlet pipe 16 of the deep well pump 6 to pass through, and a hole is provided in the middle of the inner frame 3, and the hole is located in the top pipe 8; the water inlet pipe 16 of the deep well pump 6 passes through the hole and communicates with the interior of the suction cup 5;

[0132] an annular wing plate 9, the outer sleeve of which is fixed to the outer surface of the top pipe 8;

[0133] At least two telescopic cylinders 10 have their bottom ends fixed to the lower surface of the annular wing plate 9 and their top ends passing through the inner frame 3 and fixed to the outer surface of the suction cup 5 ; they control the lifting and lowering of the suction cup 5 relative to the inner frame 3 .

[0134] The installation position of the telescopic cylinder 10 is adjusted by setting the annular wing plate 9, which provides a basis for the overall miniaturization of the equipment, while reducing the longitudinal and transverse stretching ratio of the airbag 24 when in use, thereby extending the service life of the airbag 24.

[0135] like Figure 1 As shown, the suction cup 5 is a dish-shaped hard suction cup 5; the outer diameter of the suction cup 5 is not less than 0.8 times the inner diameter of the outer frame 1;

[0136] A bowl-shaped buckle plate 11 is provided on the top of the suction cup 5. A notch 111 is provided in the middle of the bowl-shaped buckle plate 11 for the passage of the telescopic cylinder 10 and the water inlet pipe 16 of the deep well pump 6. The bowl-shaped buckle plate 11 is buckled onto the outer surface of the suction cup 5, and its inner contour is the same as that of the outer surface of the suction cup 5. The bowl-shaped buckle plate 11 is hollow inside. A plurality of water outlets 112 are provided at the end of the bowl-shaped buckle plate 11. The axes of the water outlets 112 are parallel to the wing plates of the suction cup 5 and point to the bottom of the pile hole 300.

[0137] It also includes: a water pump, whose water outlet 112 is connected to the interior of the bowl-shaped gusset plate 11.

[0138] The bowl-shaped buckle plate 11 can stir the sediment just below the air bag 24 to facilitate suction by the suction cup 5.

[0139] The device of this embodiment uses the following:

[0140] S1. Place the device in the pile hole 300, start the booster pump, and inject gas into the airbag 24, causing the airbag 24 to squeeze the inner wall of the pile hole 300. At this time, ensure that the pressure of the booster pump is maintained within a certain value, ensuring that sufficient gas passes through the air outlet on the shaft 23 and the through hole 241 of the airbag 24 to maintain the pressure inside the airbag 24, while at the same time preventing the airbag 24 from exploding due to excessive pressure. At the same time, because the airbag 24 and the shaft 23 are not tightly connected, some high-pressure gas will flow along the surface of the airbag 24 toward the side baffles on both sides after passing through the air outlet, lubricating the side baffles and the airbag 24, allowing the airbag 24 to rotate more smoothly. At the same time, this leaked gas can regulate the pressure inside the airbag 24, that is, the pressure will not be too high.

[0141] S2, control the lifting mechanism 4 to lower the equipment along the pile hole 300, and observe the height difference between the suction cup 5 and the sediment at the bottom of the pile hole 300 through the radar level meter 7 until the suction cup 5 just touches the sediment at the bottom of the pile;

[0142] S3, start the deep well pump 6, and the suction cup 5 sucks away the sediment at the bottom of the pile hole 300;

[0143] S4. Observe the height difference between the suction cup 5 and the sediment at the bottom of the pile hole 300 through the radar level meter 7, and synchronously control the extension of the telescopic cylinder 10 to keep the lower end of the suction cup 5 in contact with the upper surface of the sediment;

[0144] S5. When the extension of the telescopic cylinder 10 reaches the maximum, the water pump is started to inject high-pressure water into the bowl-shaped gusset plate 11 to impact the sediment directly below the airbag 24;

[0145] S6. Observe the sediment height at the bottom of the pile hole 300 through the radar level meter 7. When the suction cup 5 is unable to absorb a large amount of sediment, turn off the water pump and enter step S2. When the suction cup 5 contacts the bottom of the pile hole 300 or the sediment depth meets the requirement, turn off the deep well pump 6, control the lifting mechanism 4 to make the equipment rise along the pile hole 300 until the equipment reaches the hole of the pile hole 300, turn off the booster pump, and remove the equipment when the air bag 24 and the inner wall of the pile hole 300 no longer squeeze each other.

[0146] Example 2:

[0147] like Figure 7-10 As shown, the difference between this embodiment and embodiment 1 is only the structure of the suction cup 5, and the absence of the bowl-shaped gusset plate 11 and the water pump. Specifically, the suction cup 5 in this embodiment includes:

[0148] The top plate 51 is disc-shaped, and its upper surface is fixedly connected to the head end of the telescopic cylinder 10. The lower end of the water inlet pipe 16 of the deep well pump 6 passes through the top plate 51 and communicates with the lower surface of the top plate 51. The outer diameter of the top plate 51 is smaller than the inner diameter of the outer frame 1. The radar level meter 7 is installed on the lower surface of the top plate 51.

[0149] A plurality of elastically deformable skeletons 52 are arranged in a uniform circle around the center of the top plate 51, with their head ends fixedly connected to the outer side of the top plate 51 and their tail ends pointing obliquely downward toward the inner wall of the pile hole 300. When the telescopic cylinder 10 is shortened, the skeletons 52 interfere with the inner wall of the outer frame 1 and completely deform. In their natural state, the outer diameter of all the skeletons 52 is no less than 0.9 times the inner diameter of the pile hole 300.

[0150] The elastic covering film 53 is laid on the lower surface of the frame 52 and the top plate 51 in the shape of a dish, with the opening pointing to the bottom of the pile hole 300.

[0151] The frame 52 is made of a deformable and strong material, such as an elastic alloy; it can be elastically deformed to cover the pile hole 300 as much as possible. Compared with embodiment 1, the bowl-shaped buckle plate 11 and the water pump are reduced, reducing the overall complexity of the device.

[0152] The device of this embodiment uses the following:

[0153] S1. Place the device into the pile hole 300, start the booster pump, and inject gas into the airbag 24 so that the airbag 24 squeezes the inner wall of the pile hole 300;

[0154] S2, control the lifting mechanism 4 to lower the equipment along the pile hole 300, and observe the height difference between the suction cup 5 and the sediment at the bottom of the pile hole 300 through the radar level meter 7 until the suction cup 5 just touches the sediment at the bottom of the pile;

[0155] S3, start the deep well pump 6, and the suction cup 5 sucks away the sediment at the bottom of the pile hole 300;

[0156] S4. The radar level meter 7 is used to observe the height difference between the suction cup 5 and the sediment at the bottom of the pile hole 300. The extension of the telescopic cylinder 10 is synchronously controlled to keep the lower end of the suction cup 5 in contact with the upper surface of the sediment. At this time, the frame 52 slowly returns to its natural extension state, the outer diameter of the suction cup 5 increases, and the sediment directly below the airbag 24 is sucked away.

[0157] S5. When the extension of the telescopic cylinder 10 reaches the maximum, the height of the sediment at the bottom of the pile hole 300 is observed by the radar level meter 7. When the suction cup 5 is unable to absorb a large amount of sediment, the lifting mechanism 4 is controlled to lower the equipment along the pile hole 300. The height difference between the suction cup 5 and the sediment at the bottom of the pile hole 300 is observed by the radar level meter 7 until the suction cup 5 just touches the sediment at the bottom of the pile.

[0158] S6. When the suction cup 5 contacts the bottom of the pile hole 300 or the sediment depth meets the requirement, the retraction amount of the telescopic cylinder 10 is controlled, and the lifting mechanism 4 is synchronously controlled to make the equipment descend along the pile hole 300 until the telescopic cylinder 10 is completely retracted and the airbag 24 is against the bottom of the pile hole 300; at this time, the inner cavity of the outer frame 1 is shielded by the elastic coating 53, and the deep well pump 6 continues to work. The mud liquid in the upper part of the pile hole 300 will flow through the gap between the bladder-type pressurizing components, that is, the gap between adjacent side baffles, and impact the sediment just below the airbag 24. The sediment is sucked out through the notch groove 54 on the suction cup 5, and the surface of the sediment is sucked flat.

[0159] S7, turn off the deep well pump 6, control the lifting mechanism 4 to make the equipment rise along the pile hole 300 until the equipment reaches the hole 300, turn off the booster pump, and remove the equipment when the air bag 24 and the inner wall of the pile hole 300 no longer squeeze each other.

[0160] Example 3:

[0161] like Figure 11-15 As shown, a visual pile bottom slag cleaning device is characterized by comprising:

[0162] The outer frame 1 has an outer diameter smaller than the pile hole 300 diameter;

[0163] At least three bladder-type pressurizing assemblies are arranged in a uniform circumferential array on the outside of the outer frame 1; the bladder-type pressurizing assemblies are fixedly connected to the outer surface of the outer frame 1; the outer contour diameter of all the bladder-type pressurizing assemblies before pressurization is smaller than the inner diameter of the pile hole 300; after the bladder-type pressurizing assemblies are pressurized, the airbags 24 thereof are squeezed against the inner wall of the pile hole 300, and as the outer frame 1 moves along the axis of the pile hole 300, the airbags 24 rotate around their axis, and the surface of the airbags 24 rolls along the inner wall of the pile hole 300; the bladder-type pressurizing assemblies include: two side baffles, which are arranged opposite to each other, the tail ends of the side baffles are fixedly connected to the outer wall of the outer frame 1, and a space is left between the head ends of the side baffles and the pile hole 300 The side baffle is provided with a through-hole 2121; the first slewing bearing is sleeved in the through-hole 2121; the shaft 23 has two ends passing through the through-holes 2121 on the two side baffles and is fixedly connected to the inner ring of the first slewing bearing; the shaft 23 is hollow; the shaft 23 is provided with a plurality of air outlet holes 231; the airbag 24 is donut-shaped and is sleeved on the shaft 23, with an inner diameter larger than the outer diameter of the shaft 23; the outer surface of the inner ring is fixedly connected to the surface of the shaft 23; the inner ring of the airbag 24 is provided with a plurality of through-holes 241 communicating with the air outlet holes 231; the first slewing joint 25 is sleeved on the shaft 23, and the inner joint is communicated with the interior of the shaft 23;

[0164] The inner frame 3 is arranged inside the outer frame 1 and is fixedly connected to the outer frame 1 through a plurality of connecting rods 31; the plurality of connecting rods 31 are arranged in a circle around the center of the outer frame 1;

[0165] The lifting mechanism 4 is fixedly connected to the inner frame 3 and controls the inner frame 3 to rise and fall in the pile hole 300;

[0166] The suction cup 5 is provided on the lower surface of the inner frame 3 and is open downward; the end surface of the wing plate of the suction cup 5 is provided with a plurality of notches 54;

[0167] A deep well pump 6 is provided on the lifting mechanism 4, and its water inlet is connected to the interior of the suction cup 5;

[0168] The booster pump has an outlet connected to the external connector of the first rotary connector 25;

[0169] At least one radar level meter 7 is disposed on the lower surface of the suction cup 5 or the lower surface of the inner clamp, facing the bottom of the pile hole 300 .

[0170] As the device is raised or lowered within the pile hole 300, the bladder-type pressurizing assembly compresses against the inner wall of the pile hole 300, stabilizing the inner wall while preventing direct impact or scraping between the device and the inner wall. The airbag 24 rolls relative to the inner wall of the pile hole 300, preventing longitudinal shear forces from being applied. Furthermore, the airbag 24 adapts to irregularities in the inner wall of the pile hole 300 by deforming itself.

[0171] The suction cup 5 is used to directly extract the sediment at the bottom of the pile hole 300, reduce the flow rate of the mud liquid inside the pile hole 300, and protect the inner wall of the pile hole 300; at the same time, the exchange amount of the mud with the outside can be controlled to ensure that the specific gravity of the mud liquid at various locations in the pile hole 300 remains relatively stable, thereby avoiding the collapse of the pile hole 300 due to imbalance of specific gravity.

[0172] During the sediment cleaning process, the radar level meter 7 can detect the sediment situation and provide real-time monitoring and feedback on the cleaning progress, making the sediment cleaning visual.

[0173] In this embodiment, if Figure 13 As shown, all the bladder-type pressurizing assemblies are connected end to end; the two shafts 23 of two adjacent bladder-type pressurizing assemblies are connected together through a universal joint 26;

[0174] The side baffle is in the shape of a bent plate, and the plate surface is parallel to the axis of the outer frame 1. The tail end of the side baffle is fixed to the outer surface of the outer frame 1; the head and tail side baffles of adjacent bladder-type pressurizing assemblies are connected in a U shape, with the opening facing the outer wall of the outer frame 1; the air bag 24 for pressurization is located in the space surrounded by the baffle, the outer frame 1 and the inner wall of the pile hole 300; the surface of the air bag 24 after pressurization is squeezed against the outer surface of the outer frame 1, the inner wall of the pile hole 300 and the outer plate surface of the side baffle.

[0175] The various bladder-type pressurizing components are connected end to end, thereby increasing the strength of the overall structure. At the same time, the surface of the airbag 24 is wrapped and protected as much as possible, thereby increasing the durability of the airbag 24.

[0176] like Figure 13 As shown, the cross section of the side baffle includes, from the tail end to the head end, a base portion 211, a bent portion 212, a folded portion 213, and a connecting portion 214;

[0177] The base portion 211 is fixedly connected to the outer surface of the outer frame 1; the plate surface of the base portion 211 is perpendicular to the surface of the outer frame 1;

[0178] The bending portion 212 is provided with a through hole 2121; the axis of the shaft 23 is perpendicular to the plate surface of the bending portion 212; the angle between the plate surface of the bending portion 212 and the base portion 211 is greater than 120 degrees;

[0179] The end of the connecting portion 214 is seamlessly connected to the connecting portion 214 on the side baffle of the adjacent bladder-type pressurizing assembly; the angle between the plate surface of the connecting portion 214 and the plate surface of the folded portion 213 is greater than 100 degrees;

[0180] A gap is left between the outer surface of the connecting portion 214 and the inner wall of the pile hole 300;

[0181] The joints between the outer frame 1, the connecting portion 214, the bending portion 212, the folding portion 213, and the connecting portion 214 are rounded in the area facing the airbag 24;

[0182] Along the axis of the outer frame 1, the rotating shaft divides the space enclosed by the baffle, the outer frame 1 and the inner wall of the pile hole 300 into an inner cavity and an outer cavity; the volume ratio of the inner cavity space to the outer cavity space is 0.5 to 1.5;

[0183] Designing the side baffles as an irregular plate allows for installation of the universal joint 26 and the first rotary joint 25, while also providing better conditions for the installation and positioning of the shaft 23, ensuring that the shaft 23 is perpendicular to the bend 212. Although the airbag 24 has a certain degree of elasticity, its deformation at various locations must be controlled within a certain range. Excessive deformation will degrade the stability of the airbag 24. Therefore, the volume ratio of the inner cavity to the outer cavity is set between 0.5 and 1.5, with an optimal value of 1.

[0184] like Figure 10 、 11 As shown, in this embodiment, it also includes:

[0185] The second slewing bearing 13 is provided on the lower surface of the inner frame 3; a first toothed belt 131 is provided on the circumferential surface of the outer ring of the second slewing bearing 13;

[0186] A first drive motor 14 is provided on the inner frame 3 . A first gear 141 is provided at the end of the rotating shaft of the first drive motor 14 . The first gear 141 is engaged with the first toothed belt 131 .

[0187] The water inlet pipe 16 of the deep well pump 6 passes through the center of the inner frame 3 and is fixedly connected to the inner ring of the second slewing bearing 13. The water inlet pipe 16 of the deep well pump 6 above the fixed connection with the inner ring of the second slewing bearing 13 is a soft pipe, and the water inlet pipe 16 of the deep well pump 6 at and below the fixed connection with the inner ring of the second slewing bearing 13 is a hard pipe.

[0188] The second slewing joint 15 is located below the second slewing bearing 13 and is mounted on the lower portion of the water inlet pipe 16 of the deep well pump 6. The second slewing joint 15 divides the lower portion of the water inlet pipe 16 of the deep well pump 6 into an upper section 162 and a lower section 163 that can rotate relative to each other. The upper section 162 of the water inlet pipe 16 of the deep well pump 6 is fixedly connected to the inner ring of the second slewing bearing 13.

[0189] A second drive motor 17 is mounted on the second slewing bearing 13. A second gear 171 is provided at the end of the rotating shaft of the second drive motor 17. A second toothed belt 161 is provided on the outer side of the lower section 163 of the water inlet pipe 16 of the deep well pump 6. The second gear 171 meshes with the second toothed belt 161. The suction cup 5 is eccentrically connected to the lower end of the water inlet pipe 16 of the deep well pump 6. When the first drive motor 14 and the second drive motor 17 rotate, the suction cup 5 is driven to sweep over more than 90% of the pile bottom area.

[0190] The low-pressure adsorption assembly is arranged on the lower surface of the inner frame 3 and faces the bottom of the pile hole 300;

[0191] The air pressure control component is connected to the low-pressure adsorption component.

[0192] like Figure 11 、 14 As shown, through the cooperation between the first drive motor 14 and the first slewing bearing, and the cooperation between the second drive motor 17 and the second slewing joint 15, the suction cup 5 can be adsorbed at various locations in the pile hole 300; at the same time, the eccentric installation of the suction cup 5 provides space for the operation of the low-pressure adsorption component.

[0193] like Figure 15 As shown, in this embodiment, the low-pressure adsorption component includes:

[0194] The telescopic mechanism 181 is vertically downwardly arranged on the lower surface of the inner frame 3;

[0195] The pressurized shaping capsule 182 is hollow inside, and its upper surface is fixedly connected to the telescopic end of the telescopic mechanism 181. The pressurized shaping capsule 182 is disc-shaped in its natural state. After pressurization, the pressurized shaping capsule 182 is disc-shaped and its outer diameter expands. The pressurized shaping capsule 182 can be staggered with the suction cup 5 in its natural state. The pressurized shaping capsule 182 can expand in a predetermined shape when it expands and deforms by controlling the distribution of its surface thickness, such as the thickness of the outer ring edge of the directional capsule is thinner than that of its upper and lower surfaces.

[0196] The adsorption capsule 183 is hollow inside, and a plurality of mesh grooves (not shown in the figure) are provided on the inner surface of the adsorption capsule 183, and the upper surface is bonded to the lower surface of the pressurized shaping capsule 182; the adsorption capsule 183 is disc-shaped in its natural state, and after the pressurized shaping capsule 182 is pressurized, the adsorption capsule 183 expands synchronously; a plurality of low-pressure holes (not shown in the figure) are provided on the lower surface of the adsorption capsule 183 that are connected to the interior thereof; after the adsorption capsule 183 is flattened after absorbing the internal low pressure, the mesh grooves provide a liquid flow channel to ensure that the low-pressure holes in contact with the stone are in a low-pressure state, thereby stably adsorbing the stone.

[0197] The air pressure control assembly includes:

[0198] A booster pump, the air outlet of which is connected to the pressurized shaping bag 182;

[0199] A water suction pump, the water inlet of which is connected to the interior of the adsorption capsule 183;

[0200] It also includes at least two impact tubes 201, which pass through the inner frame 3 and have their ends facing the bottom of the pile hole 300; the ends of the impact tubes 201 can be staggered with the suction cup 5 and the pressurized shaping bag 182 in the natural state;

[0201] The impact pump, the water outlet 112 is connected to the impact pipe 201.

[0202] The impact tube 201 can stir the sediment, making it easier for the suction cup 5 to suck out the sediment.

[0203] The device of this embodiment uses the following:

[0204] S1. Place the device into the pile hole 300, start the booster pump, and inject gas into the airbag 24 so that the airbag 24 squeezes the inner wall of the pile hole 300;

[0205] S2, control the lifting mechanism 4 to lower the equipment along the pile hole 300, and observe the height difference between the suction cup 5 and the sediment at the bottom of the pile hole 300 through the radar level meter 7 until the suction cup 5 just touches the sediment at the bottom of the pile;

[0206] S3, start the deep well pump 6, the first drive motor 14, and the second drive motor 17, and the suction cup 5 rotates along the water inlet pipe 16 of the deep well pump 6 in the pile hole 300, while sweeping the pile hole 300 along the center of the inner frame 3 to suck away the sediment at the bottom of the pile hole 300;

[0207] S4. Observe the height difference between the suction cup 5 and the sediment at the bottom of the pile hole 300 through the radar level meter 7. When the suction cup 5 is spaced a certain height from the upper surface of the sediment, start the impact pump to impact the sediment.

[0208] S5. Observe the height difference between the suction cup 5 and the sediment at the bottom of the pile hole 300 through the radar level meter 7. When the suction cup 5 is separated from the upper surface of the sediment by a certain height, turn off the impact pump and enter step S2. When there are large stones at the bottom of the pile hole 300 that cannot be sucked away, causing the sediment suction to be unable to continue, turn off the impact pump, control the first drive motor 14 and the second drive motor 17 to reset the suction cup 5 and dislocate it from the adsorption bag 183. When the suction cup 5 contacts the bottom of the pile hole 300 or the sediment depth meets the requirement, turn off the deep well pump 6 and the impact pump, control the lifting mechanism 4 to make the equipment rise along the pile hole 300 until the equipment reaches the hole of the pile hole 300, turn off the booster pump, and remove the equipment when the air bag 24 and the inner wall of the pile hole 300 no longer squeeze each other.

[0209] S6, controlling the telescopic mechanism 181 to extend so that the level of the pressurized shaping bag 182 is lower than the suction cup 5;

[0210] S7, start the booster pump to expand the pressurized shaping capsule 182 and simultaneously drive the adsorption capsule 183 to expand;

[0211] S8, controlling the telescopic mechanism 181 to extend until the adsorption capsule 183 squeezes and wraps the stone;

[0212] S9, control the water suction pump to work, then turn off the booster pump, the stone is adsorbed by the low pressure, and at the same time, the stone is wrapped by the adsorption capsule 183 under the pressure setting capsule retraction;

[0213] S10, control the lifting mechanism 4 to make the equipment rise along the pile hole 300 until the equipment reaches the hole of the pile hole 300, turn off the booster pump, when the air bag 24 and the inner wall of the pile hole 300 no longer squeeze each other, take out the equipment, turn off the water suction pump, absorb the captured stones, and then enter step S1.

[0214] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions, which should all be included in the scope of the claims of the present invention.

Claims

1. A visual pile bottom slag cleaning device, characterized in that: include: External frame, with an outer diameter smaller than the pile hole diameter; At least three bladder-type pressurizing assemblies are arranged in a uniform circumferential array on the outside of the outer frame; the bladder-type pressurizing assemblies are fixedly connected to the outer surface of the outer frame; The outer diameter of all the bladder-type pressurizing components before pressurization is smaller than the inner diameter of the pile hole; The cam-type pressurizing assembly comprises: two side baffles arranged opposite to each other, the tail ends of the side baffles being fixedly connected to the outer wall of the outer frame, and a gap being left between the head end of the side baffle and the pile hole; the side baffles are provided with a through hole; a first slewing bearing is sleeved in the through hole; the shaft rod has two ends passing through the through holes on the two side baffles and being fixedly connected to the inner ring of the first slewing bearing; the interior of the shaft rod is hollow; the shaft rod is provided with a plurality of air outlet holes; the air bag is donut-shaped, outer sleeve is wrapped around the shaft rod, and the inner diameter is larger than the outer diameter of the shaft rod; after the air bag is pressurized, the air bag is squeezed against the inner wall of the pile hole, and as the outer frame moves along the axis of the pile hole, the air bag rotates around the shaft rod, the surface of the air bag rolls along the inner wall of the pile hole, and the outer surface of the inner ring of the air bag is fixedly connected to the surface of the shaft rod; the inner ring of the air bag is provided with a plurality of through holes connected to the air outlet holes; the first slewing joint is outer sleeved on the shaft rod, and the inner joint is connected to the interior of the shaft rod; The inner frame is arranged inside the outer frame and is fixedly connected to the outer frame through a plurality of connecting rods; the plurality of connecting rods are arranged in a circle around the center of the outer frame; The lifting mechanism is fixedly connected to the inner frame and controlled so that the inner frame can be raised and lowered in the pile hole; A suction cup is provided on the lower surface of the inner frame and is open downward; a plurality of notches are provided on the end surface of the wing plate of the suction cup; A deep well pump is provided on the lifting mechanism, and its water inlet is connected to the interior of the suction cup; A booster pump, the air outlet of which is connected to the external joint of the first rotary joint; At least one radar level meter is arranged on the lower surface of the suction cup or the lower surface of the inner clamp, facing the bottom of the pile hole.

2. The visual pile bottom slag cleaning equipment according to claim 1 is characterized in that: All bladder-type pressurizing assemblies are connected end to end; the two shafts of two adjacent bladder-type pressurizing assemblies are connected together through a universal joint; The side baffle is in the shape of a bent plate, the plate surface is parallel to the axis of the outer frame, and the tail end of the side baffle is fixed to the outer surface of the outer frame; the head and tail side baffles of adjacent bladder-type pressurizing assemblies are connected into a U shape, with the opening facing the outer wall of the outer frame; the airbag pressurization is located in the space surrounded by the baffle, the outer frame and the inner wall of the pile hole; the rear surface of the airbag pressurization is squeezed against the outer surface of the outer frame, the inner wall of the pile hole and the outer plate surface of the side baffle.

3. The visual pile bottom slag cleaning equipment according to claim 2 is characterized in that: The cross section of the side baffle includes, from the tail end to the head end, a base portion, a bending portion, a folded portion, and a connecting portion; The base portion is fixedly connected to the outer surface of the outer frame; the plate surface of the base portion is perpendicular to the surface of the outer frame; The bending portion is provided with a perforation; the axis of the shaft is perpendicular to the plate surface of the bending portion; the angle between the plate surface of the bending portion and the base portion is greater than 120 degrees; The end of the connecting portion is seamlessly connected to the connecting portion on the side baffle of the adjacent bladder-type pressurizing assembly; the angle between the plate surface of the connecting portion and the plate surface of the folded portion is greater than 100 degrees; A gap is left between the outer surface of the connecting portion and the inner wall of the pile hole; The outer frame, the connecting portion, the bending portion, the folding portion, and the connecting portion are connected at the rounded corners facing the airbag area; Along the axis of the outer frame, the rotating shaft divides the space enclosed by the baffle, the outer frame and the inner wall of the pile hole into an inner cavity and an outer cavity; the volume ratio of the inner cavity space to the outer cavity space is 0.5 to 1.5; Also includes: The top pipe has a closed upper end connected to the lifting mechanism, and a lower end pointing to the upper surface of the inner frame and fixedly connected to the upper surface of the inner frame; a through hole is provided on the side of the top pipe for the water inlet pipe of the deep well pump to pass through, and a hole is provided in the middle of the inner frame, and the hole is located in the top pipe; the water inlet pipe of the deep well pump passes through the hole and communicates with the interior of the suction cup; an annular wing plate, the outer sleeve of which is fixed to the outer surface of the top pipe; At least two telescopic cylinders have bottom ends fixedly connected to the lower surface of the annular wing plate, and head ends passing through the inner frame and fixedly connected to the outer surface of the suction cup; and control the lifting and lowering of the suction cup relative to the inner frame.

4. The visual pile bottom slag cleaning equipment according to claim 3 is characterized in that: The suction cup is a dish-shaped hard suction cup; the outer diameter of the suction cup is not less than 0.8 times the inner diameter of the outer frame; A bowl-shaped buckle plate is provided on the top of the suction cup, and a notch is provided in the middle of the bowl-shaped buckle plate for the passage of the telescopic cylinder and the water inlet pipe of the deep well pump; the bowl-shaped buckle plate is buckled on the outer surface of the suction cup, and the inner contour is the same as the outer surface of the suction cup; the bowl-shaped buckle plate is hollow; a plurality of water outlets are provided at the end of the bowl-shaped buckle plate, and the axes of the water outlets are parallel to the wing plate of the suction cup and point to the bottom of the pile hole; It also includes: a water pump, the water outlet of which is communicated with the interior of the bowl-shaped gusset plate.

5. The visual pile bottom slag cleaning equipment according to claim 3 is characterized in that: The suction cup comprises: The top plate is in a disc shape, and the upper surface is fixedly connected to the head end of the telescopic cylinder; the lower end of the water inlet pipe of the deep well pump passes through the top plate and is connected to the lower surface of the top plate; the outer diameter of the top plate is smaller than the inner diameter of the outer frame; the radar level meter is installed on the lower surface of the top plate; A plurality of elastically deformable frames are arranged in a uniform circle around the center of the top plate, with the head ends fixedly connected to the outer side of the top plate and the tail ends pointing obliquely downward toward the inner wall of the pile hole; when the telescopic cylinder is shortened, the frames interfere with the inner wall of the outer frame and completely deform; the outer diameter of all the frames in their natural state is not less than 0.9 times the inner diameter of the pile hole; The elastic covering film is laid on the lower surface of the frame and the top plate in the shape of a dish, with the opening pointing to the bottom of the pile hole.

6. The visual pile bottom slag cleaning equipment according to any one of claims 1 to 3, characterized in that: Also includes: A second slewing bearing is provided on the lower surface of the inner frame; a first toothed belt is provided on the circumferential surface of the outer ring of the second slewing bearing; a first drive motor, disposed on the inner frame, wherein a first gear is provided at the end of a rotating shaft of the first drive motor, and the first gear is engaged with a first toothed belt; The water inlet pipe of the deep well pump passes through the center of the inner frame and is fixedly connected to the inner ring of the second slewing bearing; the water inlet pipe of the deep well pump above the fixed connection with the inner ring of the second slewing bearing is a soft pipe, and the water inlet pipe of the deep well pump below the fixed connection with the inner ring of the second slewing bearing is a hard pipe; The second slewing joint is located below the second slewing bearing and is installed at the lower portion of the water inlet pipe of the deep well pump, dividing the lower portion of the water inlet pipe of the deep well pump into an upper section and a lower section that can rotate relative to each other; the upper section of the water inlet pipe of the deep well pump is fixedly connected to the inner ring of the second slewing bearing; A second drive motor is mounted on a second slewing bearing, and a second gear is provided at the end of the rotating shaft of the second drive motor; a second toothed belt is provided on the outer side of the lower section of the water inlet pipe of the deep well pump; the second gear is meshed with the second toothed belt; the suction cup is eccentrically connected to the lower end of the water inlet pipe of the deep well pump; when the first drive motor and the second drive motor rotate, the suction cup is driven to sweep over more than 90% of the area of ​​the pile bottom; The low-pressure adsorption component is arranged on the lower surface of the inner frame, facing the bottom of the pile hole; The air pressure control component is connected to the low-pressure adsorption component.

7. The visual pile bottom slag cleaning equipment according to claim 6 is characterized in that: The low-pressure adsorption component comprises: The telescopic mechanism is vertically downwardly arranged on the lower surface of the inner frame; The pressurized shaping bag is hollow inside, and its upper surface is fixedly connected to the telescopic end of the telescopic mechanism. The pressurized shaping bag is disc-shaped in its natural state. After pressurization, the pressurized shaping bag is disc-shaped with an expanded outer diameter. The pressurized shaping bag can be staggered with the suction cup in its natural state. The adsorption capsule is hollow inside, and has a plurality of mesh grooves on its inner surface. The upper surface of the adsorption capsule is bonded to the lower surface of the pressurized shaping capsule. The adsorption capsule is disc-shaped in its natural state. When the pressurized shaping capsule is pressurized, the adsorption capsule expands synchronously. The lower surface of the adsorption capsule is provided with a plurality of low-pressure holes communicating with the interior thereof. The air pressure control assembly includes: A booster pump, the air outlet of which is connected to the pressurized shaping bag; A water suction pump, wherein the water inlet is connected to the interior of the adsorption capsule; It also includes at least two impact tubes, which pass through the inner frame and have their ends facing the bottom of the pile hole; the ends of the impact tubes can be staggered with the suction cup and the pressurized shaping bag in the natural state; The impact pump has a water outlet connected to the impact pipe.

8. The construction method of the visual pile bottom slag cleaning equipment according to claim 4 is characterized in that: The following steps are involved: S1. Place the device in the pile hole, start the booster pump, and inject gas into the airbag so that the airbag squeezes the inner wall of the pile hole; S2. Control the lifting mechanism to lower the equipment along the pile hole, and observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter until the suction cup just touches the sediment at the bottom of the pile; S3, start the deep well pump, and the suction cup sucks away the sediment at the bottom of the pile hole; S4. Observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter, and synchronously control the extension of the telescopic cylinder to keep the lower end of the suction cup in contact with the upper surface of the sediment; S5. When the extension of the telescopic cylinder reaches its maximum, start the water pump to inject high-pressure water into the bowl-shaped gusset plate to impact the sediment directly below the airbag; S6. Observe the sediment height at the bottom of the pile hole through the radar level meter. When the suction cup cannot absorb a large amount of sediment, turn off the water pump and go to step S2. When the suction cup contacts the bottom of the pile hole or the sediment depth meets the requirement, turn off the deep well pump, control the lifting mechanism to make the equipment rise along the pile hole until the equipment reaches the pile hole entrance, turn off the booster pump, and remove the equipment when the air bag and the inner wall of the pile hole no longer squeeze each other.

9. The construction method of the visual pile bottom slag cleaning equipment according to claim 5 is characterized in that: The following steps are involved: S1. Place the device in the pile hole, start the booster pump, and inject gas into the airbag so that the airbag squeezes the inner wall of the pile hole; S2. Control the lifting mechanism to lower the equipment along the pile hole, and observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter until the suction cup just touches the sediment at the bottom of the pile; S3, start the deep well pump, and the suction cup sucks away the sediment at the bottom of the pile hole; S4. The height difference between the suction cup and the sediment at the bottom of the pile hole is observed by the radar level meter. The extension of the telescopic cylinder is synchronously controlled to keep the lower end of the suction cup in contact with the upper surface of the sediment. At this time, the frame slowly returns to its natural extension state, the outer diameter of the suction cup increases, and the sediment directly below the airbag is sucked away. S5. When the extension of the telescopic cylinder reaches its maximum, the height of the sediment at the bottom of the pile hole is observed by the radar level meter. When the suction cup is unable to absorb a large amount of sediment, the lifting mechanism is controlled to lower the equipment along the pile hole. The height difference between the suction cup and the sediment at the bottom of the pile hole is observed by the radar level meter until the suction cup just touches the sediment at the bottom of the pile. S6. When the suction cup contacts the bottom of the pile hole or the sediment depth meets the requirement, the telescopic cylinder is controlled to retract, and the lifting mechanism is synchronously controlled to make the equipment descend along the pile hole until the telescopic cylinder is fully retracted and the airbag is against the bottom of the pile hole; S7. Turn off the deep well pump and control the lifting mechanism to make the equipment rise along the pile hole until it reaches the pile hole entrance. Turn off the booster pump and remove the equipment when the air bag and the inner wall of the pile hole no longer squeeze each other.

10. The construction method of the visual pile bottom slag cleaning equipment according to claim 7, characterized in that: The following steps are involved: S1. Place the device in the pile hole, start the booster pump, and inject gas into the airbag so that the airbag squeezes the inner wall of the pile hole; S2. Control the lifting mechanism to lower the equipment along the pile hole, and observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter until the suction cup just touches the sediment at the bottom of the pile; S3, start the deep well pump, the first drive motor, and the second drive motor, and the suction cup rotates along the water inlet pipe of the deep well pump in the pile hole, while sweeping the pile hole along the center of the inner frame to suck away the sediment at the bottom of the pile hole; S4. Observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter. When the suction cup is at a certain height away from the upper surface of the sediment, start the impact pump to impact the sediment. S5. Observe the height difference between the suction cup and the sediment at the bottom of the pile hole through the radar level meter. When the suction cup is separated from the upper surface of the sediment by a certain height, turn off the impact pump and enter step S2. When there are large stones at the bottom of the pile hole that cannot be sucked away, causing the sediment suction to be unable to continue, turn off the impact pump, control the first drive motor and the second drive motor to reset the suction cup and dislocate it from the adsorption bag; when the suction cup contacts the bottom of the pile hole or the sediment depth meets the requirement, turn off the deep well pump and the impact pump, control the lifting mechanism to make the equipment rise along the pile hole until the equipment reaches the pile hole entrance, turn off the booster pump, and remove the equipment when the air bag and the inner wall of the pile hole no longer squeeze each other; S6, controlling the extension of the telescopic mechanism so that the height of the pressurized shaping bag is lower than the suction cup; S7, start the booster pump to expand the pressurized shaping capsule plane, and at the same time drive the adsorption capsule to expand synchronously; S8, controlling the telescopic mechanism to extend until the adsorption capsule squeezes and wraps the stone; S9, control the water suction pump to work, then turn off the booster pump, and the stone is adsorbed by the low pressure while being wrapped by the adsorption bag under the pressure shaping bag shrinking; S10, control the lifting mechanism to make the equipment rise along the pile hole until the equipment reaches the pile hole entrance, turn off the booster pump, when the air bag and the inner wall of the pile hole no longer squeeze each other, take out the equipment, turn off the water suction pump, absorb the captured stones, and then enter step S1.

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