CN117868241B - Rotary digging device for building foundation - Google Patents
Rotary digging device for building foundation Download PDFInfo
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- CN117868241B CN117868241B CN202410275746.7A CN202410275746A CN117868241B CN 117868241 B CN117868241 B CN 117868241B CN 202410275746 A CN202410275746 A CN 202410275746A CN 117868241 B CN117868241 B CN 117868241B
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- supporting plate
- support plate
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- 238000005553 drilling Methods 0.000 claims abstract description 55
- 230000001681 protective effect Effects 0.000 claims description 38
- 239000002689 soil Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 6
- 238000009435 building construction Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 21
- 235000017491 Bambusa tulda Nutrition 0.000 description 21
- 241001330002 Bambuseae Species 0.000 description 21
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 21
- 239000011425 bamboo Substances 0.000 description 21
- 238000009412 basement excavation Methods 0.000 description 9
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/16—Machines for digging other holes in the soil
- E02F5/20—Machines for digging other holes in the soil for vertical holes
-
- 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
- E02D5/66—Mould-pipes or other moulds
- E02D5/68—Mould-pipes or other moulds for making bulkheads or elements thereof
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a rotary excavating device for a building foundation, which relates to the technical field of building construction and comprises a support plate, a drilling assembly, a traversing assembly, a protection cylinder, a vertical moving assembly and a lifting assembly, wherein the drilling assembly and the protection cylinder are arranged on the inner side of the support plate side by side, the vertical moving assembly is arranged on the top of the inner side of the support plate and is used for driving the drilling assembly and the protection cylinder to vertically move, a plurality of holes which are distributed in an annular shape and are matched with the protection cylinder can be drilled on the ground when the drilling assembly vertically moves downwards, and the traversing assembly is arranged on the inner side wall of the support plate and is used for driving the drilling assembly and the protection cylinder to transversely move. Compared with the prior art, the pile hole digging method and device can realize effective protection of the pile hole wall when the pile hole is dug, prevent collapse of the pile hole wall due to the influence of the digging process, and improve protection in the pile hole digging process.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a rotary digging device for a building foundation.
Background
Along with the rapid development of the building industry, the application of bored piles in building foundation engineering is increasing, and a rotary drilling rig is an advanced construction mode in the construction of bored piles.
At present, when the rotary drilling rig works, the rotary drilling bit is driven to rotate at a high speed by a driving mechanism, the rotary drilling bit which rotates at a high speed is utilized to drill into the ground and bring out soil on the ground, then the rotary drilling bit is moved out of the ground so as to open a pile hole with a required size on the ground, however, due to the fact that the rotating speed of the rotary drilling bit is large, surrounding soil layers are easily loosened due to the influence of high rotating speed vibration of the rotary drilling bit, after the rotary drilling bit is removed from the ground, surrounding soil is easily collapsed into the drilled pile hole, and the rotary drilling failure of the pile hole is caused.
Disclosure of Invention
The invention aims to provide a rotary digging device for a building foundation, which aims to solve the technical problems in the prior art.
In order to solve the technical problems, the invention provides a rotary digging device for a building foundation, which comprises a support plate, a drilling assembly, a traversing assembly, a protective cylinder, a vertical moving assembly and a lifting assembly,
The drilling component and the protective cylinder are arranged on the inner side of the support plate side by side,
The vertical moving component is arranged at the top of the inner side of the support plate and is used for driving the drilling component and the protective cylinder to move vertically,
When the drilling component moves vertically downwards, a plurality of holes which are matched with the protection cylinder and distributed in a ring shape can be drilled on the ground,
The transverse moving component is arranged on the side wall of the inner part of the support plate and is used for driving the drilling component and the protective cylinder to move transversely,
And one end of the lifting component extends to the inside of the protective cylinder, and when the protective cylinder is inserted into the ground, the lifting component is used for lifting soil in the protective cylinder.
As a further improvement of the invention: the drilling assembly comprises a drill rod, a first support plate and a first motor,
The drilling rod is equipped with a plurality of groups, and a plurality of the drilling rod is rotated and is installed first backup pad bottom, a plurality of the drilling rod is annular interval distribution, every group all fixedly provided with first edge gear on the drilling rod, first motor fixed mounting is in first backup pad upper portion, the output shaft of first motor runs through first backup pad and fixedly connected with first sun gear, first sun gear with a plurality of first edge gear meshing.
As a further improvement of the invention: the lifting assembly comprises a third motor, a second supporting plate and a spiral auger,
The protection section of thick bamboo is rotated and is installed the second backup pad bottom, third motor fixed mounting is in second backup pad upper portion, the output shaft of third motor runs through the second backup pad and extends to the protection section of thick bamboo is inside, spiral auger sets up the protection section of thick bamboo is inside and with the output shaft of third motor links to each other.
As a further improvement of the invention: the output shaft of the third motor is also fixedly provided with a second central gear, the inner wall of the protective cylinder is fixedly provided with an annular gear,
The top of the inner side of the protective cylinder is rotatably provided with a second edge gear through a supporting shaft, one side of the second edge gear is meshed with the second central gear, and the other side of the second edge gear is meshed with the inner gear ring.
As a further improvement of the invention: the traversing assembly comprises a traversing plate, a screw rod and a second motor,
The second motor is fixedly arranged on the inner wall of the support plate, a sliding block is fixedly arranged on one side of the transverse moving plate, one end of the screw rod is connected with the output end of the second motor, the other end of the screw rod penetrates through the sliding block and is in threaded fit with the sliding block,
Two groups of through holes are arranged side by side on the transverse moving plate, the first supporting plate is embedded into one group of through holes, and the second supporting plate is embedded into the other group of through holes.
As a further improvement of the invention: the lateral shifting plate is characterized in that a guide block is further fixedly arranged on the lateral shifting plate side wall, a guide shaft is fixedly arranged on the inner wall of the support plate, and the guide shaft penetrates through the guide block and is in movable fit with the guide block.
As a further improvement of the invention: two groups of first L-shaped limiting plates which are distributed oppositely are fixedly arranged at the edge of the upper part of the first supporting plate, two groups of second L-shaped limiting plates which are distributed oppositely are fixedly arranged at the edge of the upper part of the second supporting plate,
The vertical moving assembly comprises a bottom block and a hydraulic rod, the hydraulic rod is fixedly arranged on the top wall of the inner side of the support plate, and the bottom block is fixedly arranged at the output end of the hydraulic rod.
As a further improvement of the invention: the upper part of the transverse moving plate is also provided with two groups of limiting assemblies, when the bottom block is removed from the interiors of the two groups of first L-shaped limiting plates, one group of limiting assemblies is used for limiting the first supporting plate in the corresponding through hole, and when the bottom block is removed from the interiors of the two groups of second L-shaped limiting plates, the other group of limiting assemblies is used for limiting the second supporting plate in the corresponding through hole.
As a further improvement of the invention: the two groups of limit components have the same structure and comprise wedge-shaped limit plates, a positioning block, an elastic piece and a supporting block,
The supporting block is fixedly arranged on the upper portion of the transverse moving plate, the positioning block is fixedly arranged on one side of the supporting block, one end of the wedge-shaped limiting plate penetrates through the positioning block and is in movable fit with the positioning block, the other end of the wedge-shaped limiting plate is connected with the supporting block through the elastic piece, and the elastic piece is used for providing elastic support for the wedge-shaped limiting plate.
By adopting the technical scheme, the invention has the following beneficial effects:
In the embodiment of the invention, when pile holes are excavated on the ground, a support plate can be placed above the ground of the pile holes to be excavated, then a vertical moving assembly is utilized to drive a drilling assembly to vertically move downwards, a plurality of holes which are annularly distributed are drilled on the ground by the drilling assembly, then the vertical moving assembly is utilized to drive the drilling assembly to vertically move upwards, the transverse moving assembly is utilized to drive the drilling assembly and a protective cylinder to integrally transversely move so as to adjust the protective cylinder to be above the plurality of holes, then the vertical moving assembly is utilized to drive the protective cylinder to vertically move downwards, the bottom of the protective cylinder is inserted into the ground along a circular track surrounded by the plurality of holes on the ground, then soil inside the protective cylinder is lifted by a lifting assembly, and finally the vertical moving assembly is utilized to drive the protective cylinder to vertically move upwards, so that the excavation operation of the pile holes is completed; above-mentioned in-process is bored and is a plurality of holes that annular distribution with protection section of thick bamboo looks adaptation through drilling subassembly on ground for when the protection section of thick bamboo bottom inserts ground inside, can reduce the protection section of thick bamboo and receive the frictional resistance of ground soil, and then make the protection section of thick bamboo insert ground inside smoothly, and can carry out isolated protection to peripheral soil after the protection section of thick bamboo inserts ground inside, in order to avoid lifting unit to cause peripheral soil to subside when extracting protection section of thick bamboo inside soil, thereby improve the quality of the stake hole of digging, compared with prior art, when carrying out the stake hole excavation, can realize the effective protection of stake hole wall, prevent that the stake hole wall from receiving the influence of excavation process and then taking place the phenomenon of subsideing, the protectiveness in the stake hole excavation process has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is an enlarged schematic view of area A of FIG. 1;
FIG. 4 is an enlarged schematic view of area B of FIG. 2;
Reference numerals: 10-support plate, 20-drilling assembly, 201-drill rod, 202-first support plate, 203-first motor, 204-first edge gear, 205-first sun gear, 206-first L-shaped limiting plate, 30-traversing assembly, 301-slider, 302-traversing plate, 303-lead screw, 304-second motor, 305-guiding shaft, 40-protective cylinder, 50-vertical movement assembly, 501-bottom block, 502-hydraulic rod, 60-lifting assembly, 601-third motor, 602-second support plate, 603-spiral auger, 604-annular gear, 605-second edge gear, 606-support shaft, 607-second sun gear, 70-limiting assembly, 701-wedge limiting plate, 702-positioning block, 703-elastic piece, 704-support block.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. 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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The invention is further illustrated with reference to specific embodiments.
As shown in fig. 1 and 2, the construction foundation rotary digging device provided in this embodiment includes a support plate 10, a drilling assembly 20, a traversing assembly 30, a protection cylinder 40, a vertical shifting assembly 50 and a lifting assembly 60, where the drilling assembly 20 and the protection cylinder 40 are arranged side by side inside the support plate 10, the vertical shifting assembly 50 is installed at the top inside the support plate 10 and is used for driving the drilling assembly 20 and the protection cylinder 40 to vertically move, a plurality of holes which are distributed in a ring shape and are matched with the protection cylinder 40 can be drilled on the ground when the drilling assembly 20 vertically moves downwards, the traversing assembly 30 is installed on the side wall inside the support plate 10 and is used for driving the drilling assembly 20 and the protection cylinder 40 to laterally move, one end of the lifting assembly 60 extends to the inside the protection cylinder 40, and when the protection cylinder 40 is inserted into the ground, the lifting assembly 60 is used for lifting soil inside the protection cylinder 40.
When pile holes are excavated on the ground, the support plate 10 can be placed above the ground of the pile holes to be excavated, then the vertical movement assembly 50 is utilized to drive the drilling assembly 20 to vertically move downwards, the drilling assembly 20 is utilized to drill a plurality of holes distributed in an annular mode on the ground, then the vertical movement assembly 50 is utilized to drive the drilling assembly 20 to vertically move upwards, the transverse movement assembly 30 is utilized to drive the drilling assembly 20 and the protection cylinder 40 to integrally and transversely move so as to adjust the protection cylinder 40 to be above the plurality of holes, then the vertical movement assembly 50 is utilized to drive the protection cylinder 40 to vertically move downwards, the bottom of the protection cylinder 40 is inserted into the ground along a circular track surrounded by the plurality of holes on the ground, then soil inside the protection cylinder 40 is lifted up through the lifting assembly 60, and finally the vertical movement assembly 50 is utilized to drive the protection cylinder 40 to vertically move upwards, so that the excavation operation of the pile holes is completed; in the above-mentioned in-process, a plurality of holes that are annular distribution with protection section of thick bamboo looks adaptation are drilled on ground through drilling subassembly 20 for when protection section of thick bamboo 40 bottom inserts inside ground, can reduce protection section of thick bamboo 40 and receive the frictional resistance of ground soil, and then make protection section of thick bamboo 40 can be smooth insert inside ground, and can carry out isolated protection to peripheral soil after protection section of thick bamboo 40 inserts inside ground, in order to avoid lifting unit 60 causing peripheral soil to collapse when putting forward protection section of thick bamboo 40 inside soil, thereby improve the quality of digging the stake hole.
As shown in fig. 1 and 2, in one embodiment, the drilling assembly 20 includes a drill rod 201, a first support plate 202 and a first motor 203, where the drill rod 201 is provided with a plurality of groups, a plurality of drill rods 201 are rotatably installed at the bottom of the first support plate 202, a plurality of drill rods 201 are distributed in a ring shape at intervals, a first edge gear 204 is fixedly installed on each group of drill rods 201, the first motor 203 is fixedly installed on the upper portion of the first support plate 202, an output shaft of the first motor 203 penetrates through the first support plate 202 and is fixedly connected with a first sun gear 205, and the first sun gear 205 is meshed with a plurality of first edge gears 204.
When the vertical moving assembly 50 drives the drilling assembly 20 to move vertically downwards, the first motor 203 drives the first sun gear 205 to rotate, and the plurality of drill rods 201 are driven to synchronously rotate through the meshing action of the first sun gear 205 and the plurality of first edge gears 204, so that the plurality of drill rods 201 drill into the ground and drill holes in annular interval distribution on the ground.
As shown in fig. 1,2 and 4, in one embodiment, the lifting assembly 60 includes a third motor 601, a second support plate 602, and a screw auger 603, the protection cylinder 40 is rotatably mounted at the bottom of the second support plate 602, the third motor 601 is fixedly mounted at the upper part of the second support plate 602, an output shaft of the third motor 601 penetrates through the second support plate 602 and extends into the protection cylinder 40, and the screw auger 603 is disposed in the protection cylinder 40 and is connected with an output shaft of the third motor 601.
When a plurality of drill rods 201 are drilled into the ground and a plurality of holes which are distributed at intervals in a ring shape are drilled on the ground, the vertical movement assembly 50 drives the drilling assembly 20 to vertically move upwards, then the transverse movement assembly 30 drives the lifting assembly 60 and the whole drilling assembly 20 to transversely move, the lifting assembly 60 can drive the protection cylinder 40 to synchronously transversely move, when the protection cylinder 40 moves to above the holes, the vertical movement assembly 50 drives the lifting assembly 60 to vertically move downwards, namely, the third motor 601, the second supporting plate 602 and the protection cylinder 40 integrally move downwards, when the protection cylinder 40 moves downwards, the bottom of the protection cylinder acts on the holes which are distributed at intervals in a ring shape and is inserted into the ground, then the third motor 601 drives the spiral auger 603 to rotate, and the spiral auger 603 acts on the soil inside the protection cylinder 40 to upwards lift the soil inside the soil, so that the pile hole digging operation is completed.
As shown in fig. 4, in one embodiment, a second sun gear 607 is further fixedly disposed on the output shaft of the third motor 601, an inner gear ring 604 is fixedly disposed on the inner wall of the protection cylinder 40, a second edge gear 605 is rotatably disposed on the top of the inner side of the protection cylinder 40 through a support shaft 606, and one side of the second edge gear 605 is meshed with the second sun gear 607, and the other side is meshed with the inner gear ring 604.
When the third motor 601 drives the spiral auger 603 to rotate, the second sun gear 607 can be driven to rotate, and the protection cylinder 40 is driven to rotate through the meshing transmission action of the second sun gear 607, the second edge gear 605 and the inner gear ring 604, so that the protection cylinder 40 is screwed into the ground along a circular track formed by a plurality of holes on the ground, and the protection cylinder 40 can be smoothly inserted into the ground.
As shown in fig. 1, in one embodiment, the traversing assembly 30 includes a traversing plate 302, a screw rod 303, and a second motor 304, where the second motor 304 is fixedly installed on an inner wall of the supporting plate 101, a slider 301 is fixedly disposed on one side of the traversing plate 302, one end of the screw rod 303 is connected with an output end of the second motor 304, the other end of the screw rod 303 penetrates through the slider 301 and is in threaded fit with the slider 301, two groups of through holes are disposed side by side on the traversing plate 302, the first supporting plate 202 is embedded into one group of through holes, and the second supporting plate 602 is embedded into the other group of through holes.
After a plurality of holes which are distributed at intervals in a ring shape are drilled on the ground by a plurality of drill rods 201, the screw rod 303 is driven by the second motor 304 to rotate, the transverse moving plate 302 is driven to move transversely by the threaded cooperation of the screw rod 303 and the sliding block 301, the drill rods 201 can be taken away from the positions above the holes when the transverse moving plate 302 moves transversely, the protective cylinder 40 is driven to the positions above the holes simultaneously, the protective cylinder 40 is driven to move vertically downwards by the cooperation of the vertical moving assembly 50, and the bottom of the protective cylinder 40 is inserted into the ground along a circular track formed by the holes on the ground so as to isolate and protect peripheral soil.
As shown in fig. 1, in one embodiment, a guide block (not shown in the drawing) is fixedly disposed on the side wall of the traversing plate 302, and a guide shaft 305 is fixedly disposed on the inner wall of the support plate 10, and the guide shaft 305 penetrates through the guide block and is movably matched with the guide block.
Through the clearance fit of the guide block and the guide shaft 305, the screw rod 303 can stably drive the transverse moving plate 302 to transversely move during rotation.
As shown in fig. 1 and 3, in one embodiment, the upper edge of the first support plate 202 is fixedly provided with two sets of first L-shaped limiting plates 206 that are distributed oppositely, the upper edge of the second support plate 602 is fixedly provided with two sets of second L-shaped limiting plates that are distributed oppositely, the vertical moving assembly 50 includes a bottom block 501 and a hydraulic rod 502, the hydraulic rod 502 is fixedly mounted on the top wall of the inner side of the support plate 10, and the bottom block 501 is fixedly disposed at the output end of the hydraulic rod 502.
Initially, the bottom block 501 is embedded inside two groups of first L-shaped limiting plates 206, the bottom block 502 is extended, the first supporting plate 202 is pushed to move downwards by the bottom block 501, the first supporting plate 202 moves out of the corresponding through hole when moving downwards and drives the first motor 203 and the drill rods 201 to move downwards integrally, the drill rods 201 are utilized to drill holes distributed in annular intervals on the ground, after the drill rods 201 are drilled, the hydraulic rods 502 retract, the bottom block 501 is used for pulling the two groups of first L-shaped limiting plates 206 to drive the first supporting plate 202, the first motor 203 and the drill rods 201 to move integrally upwards, the first supporting plate 202 is embedded into the corresponding through hole again, the drill rods 201 move out of the ground, the second motor 304 drives the screw rod 303 to rotate, and the first supporting plate 202 and the second supporting plate 602 move transversely integrally, at this time, the bottom block 501 is removed from the inside of the two current sets of first L-shaped limiting plates 206 and embedded into the inside of the two sets of second L-shaped limiting plates at the upper part of the second supporting plate 602, then the hydraulic rod 502 is stretched again, and then the second supporting plate 602 is pushed to move downwards by the bottom block 501, when the second supporting plate 602 moves downwards, the third motor 601 and the protective cylinder 40 are moved downwards along the circular track formed by a plurality of holes on the ground, the protective cylinder 40 is inserted into the ground, after the soil in the protective cylinder 40 is lifted, the hydraulic rod 502 is retracted again, and then the two sets of second L-shaped limiting plates are pulled by the bottom block 501, so that the second supporting plate 602, the third motor 601 and the protective cylinder 40 are moved upwards, the second supporting plate 602 is embedded into the corresponding through hole again, and the protective cylinder 40 is moved out of the ground, at this time, pile holes can be dug out on the ground.
As shown in fig. 1, in one embodiment, two sets of limiting assemblies 70 are further disposed on the upper portion of the traversing plate 302, wherein one set of limiting assemblies 70 is used to limit the first support plate 202 in the corresponding through hole when the bottom block 501 is removed from the inside of the two sets of first L-shaped limiting plates 206, and the other set of limiting assemblies 70 is used to limit the second support plate 602 in the corresponding through hole when the bottom block 501 is removed from the inside of the two sets of second L-shaped limiting plates.
As shown in fig. 3, in one embodiment, the two sets of limiting assemblies 70 have the same structure, and each set of limiting assemblies includes a wedge-shaped limiting plate 701, a positioning block 702, an elastic member 703 and a supporting block 704, where the supporting block 704 is fixedly disposed on the upper portion of the traversing plate 302, the positioning block 702 is fixedly disposed on one side of the supporting block 704, one end of the wedge-shaped limiting plate 701 penetrates through the positioning block 702 and is movably matched with the positioning block 702, and the other end of the wedge-shaped limiting plate is connected with the supporting block 704 through the elastic member 703, and the elastic member 703 is used for providing elastic support for the wedge-shaped limiting plate 701.
Initially, the bottom block 501 is embedded inside the two sets of first L-shaped limiting plates 206, so as to push the wedge-shaped limiting plate 701 corresponding to one set of limiting components 70 away from the inside of the two sets of first L-shaped limiting plates 206, the elastic member 703 corresponding to the limiting component 70 is in a compressed state, when the first supporting plate 202 moves upwards and is re-embedded inside the corresponding through hole, along with the movement of the traversing plate 302, the bottom block 501 is removed from the inside of the two sets of first L-shaped limiting plates 206, and one end of the wedge-shaped limiting plate 701 can be inserted inside the two sets of first L-shaped limiting plates 206 under the pushing of the corresponding elastic member 703, so that the second supporting plate 202 is limited, and the second supporting plate 202 is prevented from falling from the inside of the corresponding through hole; when the traversing plate 302 moves to enable the bottom block 501 to be embedded into the inner sides of the two sets of second L-shaped limiting plates, the bottom block 501 can push the wedge-shaped limiting plate 701 corresponding to the other set of limiting assembly 70 away from the inner sides of the two sets of second L-shaped limiting plates, so that the second supporting plate 602 can be smoothly driven to move downwards when the hydraulic rod 502 extends.
In one embodiment, the elastic member 703 may be a spring or a metal elastic sheet, which is not limited herein.
In the embodiment of the invention, when pile holes are excavated on the ground, the support plate 10 can be placed above the ground of the pile holes to be excavated, then the drilling assembly 20 is driven to move vertically downwards by the vertical moving assembly 50, a plurality of holes distributed in a ring shape are drilled on the ground by the drilling assembly 20, then the drilling assembly 20 is driven to move vertically upwards by the vertical moving assembly 50, the drilling assembly 20 and the protective cylinder 40 are driven to move horizontally integrally by the transverse moving assembly 30 so as to adjust the protective cylinder 40 to be above the plurality of holes, then the protective cylinder 40 is driven to move vertically downwards by the vertical moving assembly 50, the bottom of the protective cylinder 40 is inserted into the ground along a circular track surrounded by the plurality of holes on the ground, then the soil inside the protective cylinder 40 is lifted by the lifting assembly 60, and finally the protective cylinder 40 is driven to move vertically upwards by the vertical moving assembly 50, so that the excavation operation of the pile holes is completed; above-mentioned in-process is bored through drilling subassembly 20 in the ground and is a plurality of holes that the annular distributes with protection section of thick bamboo looks adaptation for when the protection section of thick bamboo 40 bottom inserts subaerial, can reduce the friction resistance that protection section of thick bamboo 40 received ground soil, and then make the inside of inserting of protection section of thick bamboo 40 can be smooth, and can carry out isolated protection to peripheral soil after protection section of thick bamboo 40 inserts subaerial, in order to avoid lifting unit 60 causing peripheral soil to collapse when putting forward protection section of thick bamboo 40 inside soil, thereby improve the quality of the stake hole of digging, compared with prior art, can realize the effective protection of stake hole wall when carrying out the stake hole excavation, prevent that the stake hole wall from receiving the influence of excavation process and then taking place the phenomenon of collapsing, the protectiveness in the stake hole excavation process has been improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. A rotary digging device for a building foundation is characterized by comprising a support plate, a drilling assembly, a traversing assembly, a protective cylinder, a vertical moving assembly and a lifting assembly,
The drilling component and the protective cylinder are arranged on the inner side of the support plate side by side,
The vertical moving component is arranged at the top of the inner side of the support plate and is used for driving the drilling component and the protective cylinder to move vertically,
When the drilling component moves vertically downwards, a plurality of holes which are matched with the protection cylinder and distributed in a ring shape can be drilled on the ground,
The transverse moving component is arranged on the side wall of the inner part of the support plate and is used for driving the drilling component and the protective cylinder to move transversely,
One end of the lifting component extends to the inside of the protective cylinder, when the protective cylinder is inserted into the ground, the lifting component is used for lifting soil in the protective cylinder,
The drilling assembly comprises a drill rod, a first support plate and a first motor,
The drill rod is provided with a plurality of groups, the drill rods are rotatably arranged at the bottom of the first supporting plate, the drill rods are annularly distributed at intervals, each group of drill rods is fixedly provided with a first edge gear, the first motor is fixedly arranged at the upper part of the first supporting plate, the output shaft of the first motor penetrates through the first supporting plate and is fixedly connected with a first central gear, the first central gear is meshed with the plurality of first edge gears,
The lifting assembly comprises a third motor, a second supporting plate and a spiral auger,
The protection cylinder is rotatably arranged at the bottom of the second supporting plate, the third motor is fixedly arranged at the upper part of the second supporting plate, the output shaft of the third motor penetrates through the second supporting plate and extends into the protection cylinder, the spiral auger is arranged in the protection cylinder and is connected with the output shaft of the third motor,
The traversing assembly comprises a traversing plate, a screw rod and a second motor,
The second motor is fixedly arranged on the inner wall of the support plate, a sliding block is fixedly arranged on one side of the transverse moving plate, one end of the screw rod is connected with the output end of the second motor, the other end of the screw rod penetrates through the sliding block and is in threaded fit with the sliding block,
Two groups of through holes are arranged on the transverse moving plate side by side, the first supporting plate is embedded into one group of through holes, the second supporting plate is embedded into the other group of through holes,
Two groups of first L-shaped limiting plates which are distributed oppositely are fixedly arranged at the edge of the upper part of the first supporting plate, two groups of second L-shaped limiting plates which are distributed oppositely are fixedly arranged at the edge of the upper part of the second supporting plate,
The vertical moving component comprises a bottom block and a hydraulic rod, the hydraulic rod is fixedly arranged on the top wall of the inner side of the support plate, the bottom block is fixedly arranged at the output end of the hydraulic rod,
The upper part of the transverse moving plate is also provided with two groups of limiting components, when the bottom block is removed from the interiors of the two groups of first L-shaped limiting plates, one group of limiting components is used for limiting the first supporting plate in the corresponding through hole, when the bottom block is removed from the interiors of the two groups of second L-shaped limiting plates, the other group of limiting components is used for limiting the second supporting plate in the corresponding through hole,
The two groups of limit components have the same structure and comprise wedge-shaped limit plates, a positioning block, an elastic piece and a supporting block,
The supporting block is fixedly arranged on the upper portion of the transverse moving plate, the positioning block is fixedly arranged on one side of the supporting block, one end of the wedge-shaped limiting plate penetrates through the positioning block and is in movable fit with the positioning block, the other end of the wedge-shaped limiting plate is connected with the supporting block through the elastic piece, and the elastic piece is used for providing elastic support for the wedge-shaped limiting plate.
2. The rotary digging device for building foundation according to claim 1, wherein the output shaft of the third motor is fixedly provided with a second sun gear, the inner wall of the protective cylinder is fixedly provided with an inner gear ring,
The top of the inner side of the protective cylinder is rotatably provided with a second edge gear through a supporting shaft, one side of the second edge gear is meshed with the second central gear, and the other side of the second edge gear is meshed with the inner gear ring.
3. The rotary digging device for building foundations according to claim 1, wherein guide blocks are fixedly arranged on the side walls of the transverse moving plates, guide shafts are fixedly arranged on the inner walls of the support plates, and the guide shafts penetrate through the guide blocks and are in movable fit with the guide blocks.
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| CN117868241A (en) | 2024-04-12 |
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