CN116642801A - Bored concrete pile envelope monitoring devices - Google Patents
Bored concrete pile envelope monitoring devices Download PDFInfo
- Publication number
- CN116642801A CN116642801A CN202310925008.8A CN202310925008A CN116642801A CN 116642801 A CN116642801 A CN 116642801A CN 202310925008 A CN202310925008 A CN 202310925008A CN 116642801 A CN116642801 A CN 116642801A
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- China
- Prior art keywords
- sludge
- stirring
- driving
- slurry
- hole
- Prior art date
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 89
- 239000010802 sludge Substances 0.000 claims abstract description 54
- 239000002002 slurry Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 239000002689 soil Substances 0.000 claims description 29
- 238000012544 monitoring process Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 8
- 238000009954 braiding Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 2
- 239000013049 sediment Substances 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000002893 slag Substances 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011268 mixed slurry Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
Abstract
The invention discloses a bored concrete pile envelope monitoring device, which particularly relates to the field of bored concrete piles, and comprises: the device comprises a stirring device, a paying-off device and a driving device, wherein the paying-off device is used for placing the stirring device at the sludge position at the bottom of the pile hole, and the driving device is used for driving the stirring device to stir the sludge at the bottom of the pile hole and around the pile hole; the suction device is used for injecting water with standard volume into the bottom of the column hole, and after the stirring device sufficiently stirs and mixes the water and the sludge to form slurry, the suction device pumps out part of slurry samples and compares the slurry samples with the standard slurry, and whether the thickness of the sludge is higher than an allowable value is judged according to the specific gravity of the slurry; the standard mud is obtained by mixing a standard volume of water with the sludge quantity with the maximum thickness of the permitted sludge. The invention adopts the mode of stirring at the bottom of the pile hole, and can stir the mud slag falling to the periphery of the hole bottom together, thereby eliminating the problem of inaccurate measurement value caused by mud slag accumulation at the periphery of the hole bottom.
Description
Technical Field
The invention relates to the technical field of cast-in-place piles, in particular to a cast-in-place pile enclosure structure monitoring device.
Background
The bored pile is used as an enclosure structure to bear water and soil pressure, is a common enclosure form for deep foundation pit excavation, and is one of the most advantageous pile foundation construction technologies at present in the aspects of field treatment, positioning, drilling, pore forming, hole cleaning, reinforcement cage manufacturing, concrete pouring, maintenance and detection.
After the bored concrete pile is constructed and the hole is cleared, the thickness of the sludge is required to meet the requirement to pour concrete, so that the detection is required, the current measuring method of the thickness of the sludge is obtained by measuring the rope and monitoring and constructor experience, the common practice is to bind a heavy object to the starting point of the measuring rope and then slowly put down, slowly lift up and put down by hands after reaching the bottom of the hole, and then obtain the general thickness of the sludge by hand feeling.
However, because the soil on the hole wall can fall to the periphery of the hole bottom, the method can measure the thickness of the mud residue at the center of the hole bottom approximately, so that the measurement error is larger and smaller than the actual measurement value, and if the concrete is poured at the moment, the problem of pile breaking of the cast-in-place pile can be caused.
Disclosure of Invention
In order to solve the technical problems, the invention provides a bored pile envelope monitoring device.
A bored pile envelope monitoring device, comprising: the device comprises a stirring device, a paying-off device and a driving device, wherein the paying-off device is used for placing the stirring device at the sludge position at the bottom of the pile hole, and the driving device is used for driving the stirring device to stir the sludge at the bottom of the pile hole and around the pile hole; the suction device is used for injecting water with standard volume into the bottom of the column hole, and after the stirring device sufficiently stirs and mixes the water and the sludge to form slurry, the suction device pumps out part of slurry samples and compares the slurry samples with the standard slurry, and whether the thickness of the sludge is higher than an allowable value is judged according to the specific gravity of the slurry; the standard slurry is obtained by mixing water with the standard volume and the sludge with the maximum thickness of the allowed sludge, or mixing the water and the sludge according to the proportion.
In a preferred embodiment, the stirring device comprises a middle column, the bottom of the middle column is provided with a mounting disc, the bottom of the mounting disc is provided with a stirring assembly, and when the driving device drives the stirring device to rotate, the stirring assembly is used for stirring the sludge.
In a preferred embodiment, the stirring assembly comprises a ring and a connecting rod which is arranged on the circumference of the ring and fixedly connected with the mounting plate, wherein a stirring blade I is fixedly arranged on the circumference of the inner side of the ring, and a stirring blade II which is obliquely arranged is fixedly connected to one side of the connecting rod.
In a preferred embodiment, the upper side of the stirring device is provided with a soil retaining assembly, the soil retaining assembly comprises a chassis fixedly arranged with the center post, the circumference above the chassis is provided with an expansion assembly, and when the expansion assembly expands outwards, the edge forms a circle with the size substantially equal to that of the pile hole.
In a preferred embodiment, the expansion assembly comprises an even number of arc-shaped sheets slidably mounted on the chassis, a driving disc rotatably mounted on the outer side of the upper end of the chassis, and a power component for driving the driving disc to rotate, wherein the adjacent arc-shaped sheets are stacked up and down, an arc-shaped groove is formed in the driving disc, two ends of the arc-shaped groove are respectively located at positions close to the middle of the driving disc and far away from the middle of the driving disc, a pin roll sliding in the arc-shaped groove is mounted on the driving disc, and when the power component drives the driving disc to rotate, the pin roll pushes the arc-shaped sheets to move towards a direction close to or far away from the driving disc.
In a preferred embodiment, the soil guard assembly further comprises a conical disc disposed over the expansion assembly and fixedly secured to the upper end of the chassis.
In a preferred embodiment, the driving device comprises a hollow shaft, a sliding piece arranged in the hollow shaft in a sliding manner, and a driving part for driving the hollow shaft to rotate, wherein the bottom of the sliding piece is fixedly connected with the center column through a metal braiding rope.
In a preferred embodiment, the paying-off device comprises a winch, the end of the wire rope on the winch being rotatably connected to the upper end of the slider by means of a rotary connection.
In a preferred embodiment, the suction device comprises a circulating pump and a connector sleeved on the outer side of the hollow shaft, a first side slot hole is formed in the side wall of the hollow shaft, which is located at the position of the connector, a second side slot hole is formed in the side wall of the sliding piece, which is located at the position of the first side slot hole, a hose is wrapped in the metal braided rope, and the hose is communicated with the sliding piece and the inner part of the center column.
In a preferred embodiment, the bottom of the middle column is fixedly connected with a slurry suction head communicated with the middle column, and the bottom end of the slurry suction head is positioned in the slurry after the stirring assembly fully stirs the sludge to form the slurry.
The invention has the technical effects and advantages that:
1. the invention adopts the mode of stirring at the bottom of the pile hole, and can stir the mud slag falling to the periphery of the hole bottom together, thereby eliminating the problem of inaccurate measurement value caused by mud slag accumulation at the periphery of the hole bottom.
2. The invention judges whether the pile bottom sludge thickness is in the allowable value range by comparing the specific gravity of the sludge sample with that of the standard sludge, thereby providing basis for pouring concrete, and the visual mode ensures that the result is more accurate.
3. According to the invention, through the arrangement of the soil retaining component, falling soil due to the influence of vibration and noise in the stirring process can be blocked, the influence of the soil on stirring and mixing results is prevented, and the falling soil can be brought out after the soil retaining component moves out of the pile hole.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is a schematic view of the stirring device and soil guard assembly of the present invention.
FIG. 4 is a schematic view of a stirring device according to the present invention.
FIG. 5 is a schematic diagram of a stirring device according to the present invention.
Fig. 6 is a schematic view of the installation of the soil guard assembly of the present invention.
Fig. 7 is a schematic view of the installation of the driving device of the present invention.
Fig. 8 is a cross-sectional view of the partial structure of fig. 7 in accordance with the present invention.
Fig. 9 is an exploded view of the partial structure of fig. 7 in accordance with the present invention.
The reference numerals are: 1. a stirring device; 11. a center column; 12. a mounting plate; 13. a stirring assembly; 131. a loop; 132. a connecting rod; 133. stirring the first stirring blade; 134. stirring She Er; 2. a paying-off device; 21. a hoist; 22. a wire rope; 23. rotating the connecting piece; 3. a driving device; 31. a hollow shaft; 311. a side slot I; 32. a slider; 321. a second side slot; 33. a driving part; 34. a metal braided rope; 4. a suction device; 41. a circulation pump; 42. a joint; 43. a hose; 44. a pulp suction head; 5. a soil blocking assembly; 51. a chassis; 52. an arc-shaped sheet; 521. an arc-shaped groove; 53. a drive plate; 54. a pin shaft; 55. a conical disk.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9 of the accompanying drawings, the present embodiment provides a bored pile enclosure structure monitoring apparatus, including: the device comprises a stirring device 1, a paying-off device 2 and a driving device 3, wherein the paying-off device 2 is used for placing the stirring device 1 at the sludge position at the bottom of a pile hole, and the driving device 3 is used for driving the stirring device 1 to stir the sludge at the bottom of the pile hole and around the pile hole; the suction device 4 is used for injecting water with a standard volume into the bottom of the column hole, and after the stirring device 1 fully stirs and mixes the water and the sludge to form slurry, the suction device 4 pumps out part of the slurry sample and compares the slurry sample with the standard slurry, and whether the thickness of the sludge is higher than an allowable value is judged according to the specific gravity of the slurry; the standard slurry is obtained by mixing water with the standard volume and the sludge with the maximum thickness of the allowed sludge, or mixing the water and the sludge according to the proportion. The aforementioned ratio refers to the ratio of the standard volume of water to the volume of sludge that is the maximum thickness of sludge allowed.
It should be noted that, first, standard slurry is obtained by mixing a standard volume of water with a maximum thickness of the sludge allowed, where the standard volume of water may be set as required, for example, the volume of water required to mix the sludge to a specific gravity of 1.2 or 1.8 or other values, where the sludge is obtained when the holes are removed, so as to ensure uniform soil properties, the maximum thickness of the allowed sludge is required according to the specific situation, for example, for end-supporting piles, it is generally required to allow a maximum thickness of 50mm for sludge, and for friction piles, it is generally required to allow a maximum thickness of 100mm for anti-pulling and horizontal piles, it is generally required to allow a maximum thickness of 200mm for sludge. In the above, the volume ratio of the water to the sludge is N, and the standard slurry may be obtained by mixing water and the sludge in an amount of N.
Then, a slurry sample is required to be obtained, the stirring device 1 is placed at the sludge position at the bottom of the pile hole through the paying-off device 2, then the stirring device 1 is driven by the driving device 3 to stir the sludge, in the process, water with a standard volume is injected into the bottom of the pile hole through the suction device 4, the slurry is obtained after uniform stirring, and a part of the slurry is extracted through the suction device 4 to serve as the slurry sample. Comparing the mud sample with standard mud, if the specific gravity of the mud sample is greater than the standard mud, the thickness of mud residue at the bottom of the pile hole is larger than an allowable value, at the moment, concrete cannot be directly poured, and if the specific gravity of the mud sample is not greater than the standard mud, the thickness of the mud is within the allowable value range, at the moment, the concrete is immediately poured.
In the above, by adopting the stirring mode at the bottom of the pile hole, the mud and the slag falling to the periphery of the hole bottom can be stirred together, so that the problem of inaccurate measurement value caused by accumulation of the mud and the slag around the hole bottom is solved. And judging whether the pile bottom sludge thickness is within an allowable value range or not by comparing the specific gravity of the sludge sample with that of standard sludge, so that a basis is provided for pouring concrete, and the visual mode enables a result to be more accurate.
Further, the stirring device 1 comprises a middle column 11, a mounting plate 12 is mounted at the bottom of the middle column 11, a stirring assembly 13 is mounted at the bottom of the mounting plate 12, and when the driving device 3 drives the stirring device 1 to rotate, the stirring assembly 13 is used for stirring the sludge.
Further, the stirring assembly 13 comprises a ring 131 and a connecting rod 132 arranged on the circumference of the ring 131 and fixedly connected with the mounting plate 12, a stirring blade I133 is fixedly arranged on the circumference of the inner side of the ring 131, and a stirring She Er 134 which is obliquely arranged is fixedly connected to one side of the connecting rod 132.
It should be noted that, the upper end of the connecting rod 132 is fixed with the mounting plate 12 through the nut, when the stirring device 1 is placed at the bottom of the pile hole, the stirring assembly 13 contacts with the sludge, and when the driving device 3 drives the stirring device 1 to rotate, the sludge can be stirred through the connecting rod 132, the stirring blade 133 and the stirring She Er.
Further, a soil guard assembly 5 is installed at an upper side position of the stirring device 1, the soil guard assembly 5 includes a bottom plate 51 fixedly installed with the center post 11, an expansion assembly is installed at a circumference above the bottom plate 51, and when the expansion assembly expands outwards, an edge forms a circle having a size substantially equal to that of the pile hole.
Further, the expansion assembly comprises an even number of arc-shaped sheets 52 which are slidably mounted with the chassis 51, a driving disc 53 which is rotatably mounted on the outer side of the upper end of the chassis 51, and a power component for driving the driving disc 53 to rotate, wherein the adjacent arc-shaped sheets 52 are stacked up and down, an arc-shaped groove 521 is formed in the driving disc 53, two ends of the arc-shaped groove 521 are respectively positioned close to the middle of the driving disc 53 and far from the middle of the driving disc 53, a pin 54 which slides in the arc-shaped groove 521 is mounted on the driving disc 53, and when the power component drives the driving disc 53 to rotate, the arc-shaped groove 521 is pushed by the pin 54 to enable the arc-shaped sheet 52 to move towards the direction close to or far from the driving disc 53.
Further, the soil guard assembly 5 further includes a tapered disc 55 which is provided to cover the expansion assembly and fixedly secured to the upper end of the bottom plate 51.
It should be noted that, when stirring the mud, because of the existence of vibration and noise, there may be earth dropping from the hole wall, in order to prevent the earth from dropping, a soil retaining assembly 5 is provided, wherein, the power component for driving the driving disc 53 to rotate may adopt a motor and gear set mode, and the motor is mounted on the inner side of the conical disc 55. When the driving disc 53 rotates, the arc-shaped groove 521 is pushed by the pin shaft 54 to drive the arc-shaped sheet 52 to move, when the arc-shaped sheet 52 moves to the outside in place, the arc-shaped sheet 52 forms a disc shape and contacts with the inner wall of the pile hole, falling soil falls on the arc-shaped sheet 52 and the conical disc 55, and when the stirring device 1 and the soil retaining assembly 5 move out of the pile hole, the falling soil can be brought out. In the above, the circular arc shape of the edge of the arc-shaped piece 52 has a diameter substantially equal to the diameter of the pile hole, so as to ensure that the formed circular disk shape can contact with the inner wall of the pile hole.
Further, the driving device 3 includes a hollow shaft 31, a sliding member 32 slidably disposed inside the hollow shaft 31, and a driving member 33 for driving the hollow shaft 31 to rotate, wherein the bottom of the sliding member 32 is fixedly connected with the center pillar 11 through a metal braid 34.
It should be noted that, the driving member 33 may be in the form of a gear motor, the hollow shaft 31 is used as an output shaft, a square hole is axially formed in the hollow shaft, and the sliding member 32 is slidably disposed in the square hole, so that the hollow shaft 31 may drive the stirring device 1 to rotate through the sliding member 32 and the metal braided rope 34.
Further, the pay-off device 2 includes a hoist 21, and an end portion of a wire rope 22 on the hoist 21 is rotatably connected to an upper end of a slider 32 through a rotation connector 23.
When the hollow shaft 31 and the slider 32 are rotated, the wire rope 22 is not rotated by the arrangement of the rotation connector 23. The hoist 21 can be used to place and withdraw the stirring device 1 and the soil guard assembly 5 into and from the pile hole, and of course, after withdrawal, the slide 32 is removed from the hollow shaft 31, and at the next use, it is necessary to manually push the slide 32 into the hollow shaft 31.
Further, the suction device 4 comprises a circulating pump 41 and a joint 42 sleeved on the outer side of the hollow shaft 31, a first side slot hole 311 is formed in the side wall of the hollow shaft 31 located at the position of the joint 42, a second side slot hole 321 is formed in the side wall of the sliding piece 32 located at the position of the first side slot hole 311, a flexible tube 43 is wrapped in the metal braided rope 34, and the flexible tube 43 is communicated with the sliding piece 32 and the inner part of the center post 11.
Further, the bottom of the middle column 11 is fixedly connected with a slurry suction head 44 communicated with the middle column 11, and after the stirring assembly 13 fully stirs the sludge to form slurry, the bottom end of the slurry suction head 44 is positioned in the slurry.
In the mounting, the joint 42 is mounted on the movable frame, and the hollow shaft 31 may be rotatably mounted to the movable frame through a bearing. The circulation pump 41 can use a forward and reverse rotation circulation pump, and can select whether to inject water or pump out slurry samples through forward and reverse rotation, of course, the joint 42 can also be matched with a reversing valve for use, and the switching of injecting water and pumping out slurry samples is realized through reversing by the reversing valve. When the suction device 4 sends water into the bottom of the pile hole, the water sequentially passes through the joint 42, the first side slot hole 311, the second side slot hole 321, the hose 43, the center post 11 and the slurry suction head 44, the paths of the mixed slurry sample are opposite when the mixed slurry sample is drawn out, and the bottom end of the slurry suction head 44 is positioned in slurry after stirring, so that the slurry sample can be sucked out.
Working principle: firstly, the stirring device 1 and the soil retaining component 5 are placed at the bottom of a pile hole through the paying-off device 2, then the stirring device 1 is driven to rotate through the driving device 3, in the process, water with a standard volume is injected through the suction device 4, in the stirring process, the expanding component of the soil retaining component 5 is expanded to retain soil, after the stirring is uniform, a slurry sample is sucked out through the suction device 4, and finally, the stirring device 1 and the soil retaining component 5 are pulled out of the pile hole through the paying-off device 2.
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A bored concrete pile envelope monitoring devices, characterized in that includes:
the device comprises a stirring device (1), a paying-off device (2) and a driving device (3), wherein the paying-off device (2) is used for placing the stirring device (1) at the sludge position at the bottom of a pile hole, and the driving device (3) is used for driving the stirring device (1) to stir the sludge at the bottom of the pile hole and around the pile hole;
the suction device (4) is used for injecting water with standard volume into the bottom of the column hole, and after the stirring device (1) fully stirs and mixes the water and the sludge to form slurry, the suction device (4) pumps out part of the slurry sample and compares the slurry sample with the standard slurry, and whether the thickness of the sludge is higher than an allowable value is judged according to the specific gravity of the slurry;
the standard slurry is obtained by mixing water with the standard volume and the sludge with the maximum thickness of the allowed sludge, or mixing the water and the sludge according to the proportion.
2. The bored pile envelope monitoring apparatus of claim 1 wherein: stirring device (1) are including center pillar (11), mounting disc (12) are installed to the bottom of center pillar (11), stirring subassembly (13) are installed to the bottom of mounting disc (12), when stirring device (1) rotation is driven to drive device (3), stir mud sediment through stirring subassembly (13).
3. The bored pile envelope monitoring apparatus of claim 2 wherein: the stirring assembly (13) comprises a ring (131) and a connecting rod (132) which is arranged on the circumference of the ring (131) and fixedly connected with the mounting plate (12), a stirring blade I (133) is fixedly arranged on the circumference of the inner side of the ring (131), and one side of the connecting rod (132) is fixedly connected with a stirring She Er (134) which is obliquely arranged.
4. A bored pile envelope monitoring apparatus according to claim 2 or 3, wherein: the upper side position department of agitating unit (1) installs soil retaining subassembly (5), soil retaining subassembly (5) include with center pillar (11) fixed mounting's chassis (51), the expansion assembly is installed to the circumference of chassis (51) top, when the expansion assembly outwards expands, the edge forms the circle with stake hole size basically equal.
5. The bored pile envelope monitoring apparatus of claim 4, wherein: the expansion assembly comprises an even number of arc-shaped sheets (52) which are slidably mounted on the chassis (51), a driving disc (53) which is rotatably mounted on the outer side of the upper end of the chassis (51) and a power component which is used for driving the driving disc (53) to rotate, wherein the arc-shaped sheets (52) are arranged in a stacked mode one by one, the driving disc (53) is provided with arc-shaped grooves (521), two ends of each arc-shaped groove (521) are respectively located at positions close to the middle of the driving disc (53) and far away from the middle of the driving disc (53), a pin shaft (54) which slides in the arc-shaped grooves (521) is mounted on the driving disc (53), and when the power component drives the driving disc (53) to rotate, the arc-shaped grooves (521) are pushed by the pin shafts (54) to enable the arc-shaped sheets (52) to move towards the direction close to or far away from the driving disc (53).
6. The bored pile envelope monitoring apparatus of claim 5, wherein: the soil retaining assembly (5) further comprises a conical disc (55) which is arranged on the expansion assembly in a covering mode and fixedly arranged with the upper end of the chassis (51).
7. The bored pile envelope monitoring apparatus of claim 2 wherein: the driving device (3) comprises a hollow shaft (31), a sliding piece (32) arranged in the hollow shaft (31) in a sliding mode, and a driving component (33) used for driving the hollow shaft (31) to rotate, and the bottom of the sliding piece (32) is fixedly connected with the middle column (11) through a metal braiding rope (34).
8. The bored pile envelope monitoring apparatus of claim 7 wherein: the paying-off device (2) comprises a winch (21), and the end part of a steel wire rope (22) on the winch (21) is rotatably connected with the upper end of a sliding piece (32) through a rotary connecting piece (23).
9. The bored pile envelope monitoring apparatus of claim 7 wherein: the suction device (4) comprises a circulating pump (41) and a connector (42) sleeved on the outer side of the hollow shaft (31), a first side slot hole (311) is formed in the side wall of the hollow shaft (31) located at the position of the connector (42), a second side slot hole (321) is formed in the side wall of the sliding piece (32) located at the position of the first side slot hole (311), a hose (43) is wrapped in the metal braided rope (34), and the hose (43) is communicated with the sliding piece (32) and the inner part of the middle column (11).
10. The bored pile envelope monitoring apparatus of claim 9 wherein: the bottom of center pillar (11) fixedly connected with and center pillar (11) intercommunication inhale thick liquid head (44), stirring subassembly (13) are fully stirred mud sediment and are formed mud, inhale the bottom of thick liquid head (44) and be located mud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310925008.8A CN116642801B (en) | 2023-07-26 | 2023-07-26 | Bored concrete pile envelope monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310925008.8A CN116642801B (en) | 2023-07-26 | 2023-07-26 | Bored concrete pile envelope monitoring devices |
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| CN116642801A true CN116642801A (en) | 2023-08-25 |
| CN116642801B CN116642801B (en) | 2023-11-17 |
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| CN202310925008.8A Active CN116642801B (en) | 2023-07-26 | 2023-07-26 | Bored concrete pile envelope monitoring devices |
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| CN215290087U (en) * | 2021-05-11 | 2021-12-24 | 中煤长江基础建设有限公司 | Construction device of reinforced friction cast-in-place pile |
| CN217025454U (en) * | 2021-12-15 | 2022-07-22 | 华能应城热电有限责任公司 | Mechanical stirring clarification tank circulating slurry monitoring device |
| CN115012416A (en) * | 2022-07-18 | 2022-09-06 | 唐山中地地质工程有限公司 | Clear hole device of drilling bored concrete pile |
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2023
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| JPH05222729A (en) * | 1992-02-12 | 1993-08-31 | Takenaka Komuten Co Ltd | Execution method for cast-in-place concrete pile, etc. |
| CN104787455A (en) * | 2015-04-06 | 2015-07-22 | 蒋祥初 | Sealing bottle plug |
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| CN215290087U (en) * | 2021-05-11 | 2021-12-24 | 中煤长江基础建设有限公司 | Construction device of reinforced friction cast-in-place pile |
| CN217025454U (en) * | 2021-12-15 | 2022-07-22 | 华能应城热电有限责任公司 | Mechanical stirring clarification tank circulating slurry monitoring device |
| CN115012416A (en) * | 2022-07-18 | 2022-09-06 | 唐山中地地质工程有限公司 | Clear hole device of drilling bored concrete pile |
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| CN116642801B (en) | 2023-11-17 |
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