CN113123343A - Small-volume cast-in-place pile underwater pouring equipment and construction method - Google Patents
Small-volume cast-in-place pile underwater pouring equipment and construction method Download PDFInfo
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- CN113123343A CN113123343A CN202110402533.2A CN202110402533A CN113123343A CN 113123343 A CN113123343 A CN 113123343A CN 202110402533 A CN202110402533 A CN 202110402533A CN 113123343 A CN113123343 A CN 113123343A
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- opening
- bottom plate
- guide pipe
- pipe body
- lifting
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/06—Placing concrete under water
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- 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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
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- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The underwater casting device comprises a casting device, wherein the casting device comprises a pile casing and a guide pipe positioned in the pile casing, one end of the guide pipe is provided with a first opening, and the other end of the guide pipe is provided with a second opening; the pouring device further comprises an opening and closing device and a lifting device, the opening and closing device is used for opening or closing the second opening, and the lifting device is used for driving the guide pipe to move upwards or downwards in the pile casing. This application has the effect that reduces the input cost.
Description
Technical Field
The application relates to the technical field of bridge cast-in-place piles, in particular to small-size cast-in-place pile underwater pouring equipment and a construction method.
Background
The underwater pouring concrete is also called as pipe concrete, and is poured by the dead weight of the concrete through a vertical pipe.
At present, as shown in fig. 1, the most common underwater cast-in-place pile is a ball pulling method, in the construction process, firstly, a pile driver is used for forming holes in bedrock 3 of a riverbed 2, and then a pile casing 11 is hammered into the formed holes in the bedrock 3 through a diesel hammer, so that the pile casing 11 and the bedrock 3 are connected into a whole; then, a guide pipe 12 which is used for guiding concrete and has two ends penetrating through is moved into a protective cylinder 11 through a lifting appliance, a water-proof ball 9 is lifted into the guide pipe 12, the diameter of the water-proof ball 9 is equal to the inner diameter of the guide pipe 12, and the water-proof ball 9 is closed to the guide pipe 12; to facilitate the extraction of the water-stop ball 9, the water-stop ball 9 is usually positioned at the opening of the guide pipe 12 close to the bottom wall of the bedrock 3; in order to pour concrete of a designed amount into the pile casing 11 at a time, a lifting appliance is used for lifting the storage hopper 10 onto the guide pipe 12, and positioning is carried out by a worker, so that the storage hopper 10 is positioned right above the guide pipe 12 and is communicated with the guide pipe 12; when concrete is poured, a top pump is used for pouring the concrete into the storage hopper 10, then the water-proof ball 9 is pulled out, the concrete in the storage hopper 10 enters the pile casing 11 through the guide pipe 12, and meanwhile, the guide pipe 12 is lifted through the lifting appliance, so that the concrete pouring is completed.
The water and gas in the guide pipe 12 are discharged by the self weight of the concrete in the storage hopper 10, and the concrete in the pile casing 11 is poured.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the storage hopper is connected with the guide pipe, an operation platform needs to be erected at the guide pipe, so that the storage hopper and the guide pipe can be conveniently positioned by workers, and the construction cost is high.
Disclosure of Invention
For improving reduction construction cost, this application provides a little volume bored concrete pile equipment of pouring under water.
First aspect, the application provides a little volume bored concrete pile equipment of pouring under water, adopts following technical scheme:
an underwater pouring device for a small-volume cast-in-place pile comprises a pouring device, wherein the pouring device comprises a pile casing and a guide pipe positioned in the pile casing, one end of the guide pipe is provided with a first opening, and the other end of the guide pipe is provided with a second opening; the pouring device further comprises an opening and closing device and a lifting device, the opening and closing device is used for opening or closing the second opening, and the lifting device is used for driving the guide pipe to move upwards or downwards in the pile casing.
By adopting the technical scheme, when the cast-in-place pile is poured, the pile casing is arranged in bedrock of a riverbed, and the guide pipe is moved into the pile casing through the lifting device; then, the second opening of the guide pipe is closed through the opening and closing device, concrete in the pump truck is poured into the guide pipe, then the second opening is opened through the opening and closing device, and the concrete in the guide pipe is moved out through the second opening and poured into the pile casing, so that the operation is simple and convenient; meanwhile, concrete in the pump truck is directly poured in the guide pipe, an operation platform does not need to be built, and construction cost is reduced; furthermore, the process that workers position the guide pipe and the protective cylinder is reduced, and the safety of the workers is improved; furthermore, the concrete in the guide pipe is gradually moved out through the second opening and is accumulated in the pile casing, and the water and air in the pile casing are gradually discharged by the concrete in the accumulation process, so that the forming quality of the concrete is improved.
Optionally, the opening and closing device includes a pipe body and an opening and closing member disposed on the pipe body, the opening and closing member is configured to open and close the pipe body, the pipe body is communicated with the second opening of the duct, a diameter of the pipe body gradually decreases or gradually increases toward a direction away from the first opening, the opening and closing member includes a first bottom plate located in the pipe body, a circumferential wall of the first bottom plate abuts against a side wall of the pipe body, and the opening and closing member further includes a first driving member configured to drive the first bottom plate to move to close the pipe body.
By adopting the technical scheme, when the diameter of the second opening is gradually reduced towards the direction far away from the first opening, the first driving piece drives the first bottom plate to move towards the direction of the first opening, the first bottom plate is separated from the pipe body, and then the second opening is opened, so that the operation is convenient and fast; meanwhile, compared with a water ball pulling method, the moving distance of the first bottom plate is reduced, and therefore concrete in the guide pipe can be conveniently moved out; when the diameter of the second opening gradually increases towards the direction of keeping away from the first opening, the first driving piece drives the first bottom plate to move towards the direction of keeping away from the first opening, so that the first bottom plate is separated from the side wall of the pipe body to open the second opening, concrete in the pipe is moved out through the second opening, and compared with the lifting of the first bottom plate, the load of the first driving piece is reduced, and the opening of the second opening is facilitated.
Optionally, the first driving element includes a first lifting lug disposed on the first base plate and a first steel cable disposed on the first lifting lug, and the driving element further includes a first lifting element for driving the guide tube to move through the first steel cable and the first lifting lug.
By adopting the technical scheme, the first steel cable is lifted through the first lifting piece, and the first steel cable drives the first bottom plate to move towards the direction close to or far away from the first opening in the lifting process, so that the operation is convenient and fast; meanwhile, the first steel cable has the advantages of high strength and corrosion resistance, and the influence of concrete on the first steel cable is reduced; further, the first wire rope has an advantage of a large stroke.
Optionally, the first steel cable is detachably connected to the first lifting lug.
By adopting the technical scheme, the first steel cable is detachably connected to the first lifting lug, so that the concrete on the first bottom plate can be conveniently cleaned or the first bottom plate can be conveniently replaced, and the closing effect of the first bottom plate on the pipe body is improved; furthermore, when the diameter of the second opening gradually increases towards the position far away from the first opening, the first steel cable is detachably connected with the first lifting lug, so that the first bottom plate and the first steel cable can be moved into the guide pipe conveniently.
Optionally, a support is arranged on the first bottom plate, and the support is used for abutting against the bottom wall of the bedrock drill hole.
By adopting the technical scheme, when the diameter of the second opening is gradually reduced towards the direction far away from the first opening; after the guide pipe is moved into the pile casing, the supporting piece is abutted against the bedrock, and along with the process of pouring concrete into the guide pipe, the pipe body has a tendency of moving towards the bottom wall of the bedrock under the action of friction force between the concrete and the side wall of the guide pipe, so that the first bottom plate has a movement tendency towards the first opening, and the first bottom plate can be pulled out conveniently; when the diameter of the second opening is gradually increased towards the direction far away from the first opening, when concrete is poured into the guide pipe, the supporting piece has a supporting effect on the first bottom plate, the first bottom plate has a certain supporting effect on the pipe body, and the load of the first driving piece is reduced; when the second opening needs to be opened, the guide pipe is lifted through the lifting device, the first bottom plate has a movement trend towards the direction far away from the first opening, and then the second opening is opened.
Optionally, the lifting device includes a second lifting lug arranged on the casing, a second steel cable arranged on the second lifting lug, and a second lifting member for driving the guide pipe to move through the second steel cable and the second lifting lug.
Through adopting above-mentioned technical scheme, carry out with promoting to protecting a section of thick bamboo, the second promotes the piece and promotes the second cable wire, and the second cable wire drives the promotion of second lug and then drives and protect a section of thick bamboo and promote, and easy operation is convenient.
Optionally, the opening and closing member includes a second bottom plate hinged to the end portion of the tube body far away from the end portion of the guide tube, a hinged shaft is connected to the tube body in a rotating mode, the length direction of the hinged shaft is perpendicular to the depth direction of the tube body, the second bottom plate is arranged on the hinged shaft, and a first waterproof motor used for driving the hinged shaft to rotate to drive the second bottom plate to open or close the tube body is arranged on the tube body.
By adopting the technical scheme, when the second opening of the pipe body is opened and closed, the first waterproof motor is started, the first waterproof motor drives the hinged shaft to rotate, the hinged shaft rotates to drive the second bottom plate to rotate, and then the pipe body is opened, so that the operation is simple and rapid; simultaneously, waterproof motor has certain waterproof performance, has reduced the possibility that first waterproof motor damaged.
Optionally, the opening and closing member includes that the rotation is connected at the third bottom plate that the body is kept away from the pipe end portion, the rotation is connected with the pivot on the body, the length direction of pivot is on a parallel with the degree of depth direction of body, the third bottom plate sets up in the pivot, be provided with on the pipe and be used for driving the pivot to rotate and drive the second waterproof motor that the third bottom plate opened or closed with the body.
By adopting the technical scheme, the second waterproof motor is started, the second waterproof motor drives the third bottom plate to rotate along the rotating shaft, and the third bottom plate rotates to open the pipe body, so that the operation is simple and convenient; meanwhile, the length direction of the rotating shaft is parallel to the depth direction of the pipe body, so that the influence of concrete on the rotation of the third bottom plate is reduced, and the pipe body is convenient to open.
In a second aspect, the application provides a small-volume cast-in-place pile underwater pouring construction method, which adopts the following technical scheme:
optionally, the small-volume cast-in-place pile underwater casting construction method includes small-volume cast-in-place pile underwater casting equipment, including:
s1: drilling a bed rock at the river bottom by using a pile driver, sending a pile casing into a formed hole of the bed rock, and hammering the pile casing by using a diesel hammer to connect the pile casing and the bed rock into a whole;
s2: cleaning silt in the protective cylinder by using a rotary drilling rig;
s3: when the diameter of the pipe body is gradually reduced towards the direction away from the first opening, the first lifting lug is lifted by the first lifting piece to enable the first bottom plate to move into the guide pipe, the first bottom plate is placed downwards, the peripheral wall of the first bottom plate is abutted against the side wall of the pipe body, the supporting piece is abutted against the bottom wall of the bedrock drilled hole, then concrete in the concrete pump truck is poured into the guide pipe, when the concrete in the guide pipe reaches the designed amount, the first steel rope is lifted by the first lifting piece, the first lifting lug is lifted by the first steel rope, the first lifting lug drives the first bottom plate to be separated from the pipe body, and the concrete in the guide pipe enters the pile casing through the pipe body; in the concrete moving-out process, the second steel cable is lifted by the second lifting piece, and the second steel cable lifts the guide pipe to complete pouring;
when the diameter of the pipe body gradually increases towards the position far away from the first opening, a worker moves the first bottom plate to the pipe body, then moves the first steel cable into the guide pipe and moves out through the pipe body, then connects the first steel cable to the first lifting lug, and then lifts the first bottom plate through the first lifting piece to enable the first bottom plate to abut against the side wall of the pipe body; then, the guide pipe is moved into the pile casing through the first lifting piece, the supporting piece is abutted against the bottom wall of the bedrock, and then concrete with the designed square amount is poured into the guide pipe; finally, the guide pipe is lifted through the second lifting piece, meanwhile, the first bottom plate has a movement trend towards the bedrock, the pipe body is separated from the first bottom plate, concrete in the guide pipe enters the pile casing through the pipe body, and pouring is carried out after the concrete is poured;
s4: and (4) using a second lifting piece to remove the guide pipe from the pile casing, and pouring the next pile casing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the second opening of the guide pipe is closed through the opening and closing device, then concrete in the pump truck is poured into the guide pipe, the second opening is opened through the opening and closing device, and the concrete in the guide pipe is moved out through the second opening and poured into the pile casing, so that the operation is simple and convenient; meanwhile, an operation platform is not required to be built, so that the construction cost is reduced;
2. concrete in the pump truck is poured into the guide pipe, so that the process that workers position the guide pipe and the pile casing is reduced, and the safety of the workers is improved;
3. the concrete in the guide pipe is gradually moved out through the second opening and is accumulated in the pile casing, and the water and the air in the pile casing are gradually discharged by the concrete in the accumulation process, so that the forming quality of the concrete is improved.
Drawings
Fig. 1 is a schematic structural view of the related art;
FIG. 2 is a schematic overall structure diagram of a first embodiment of the present application;
FIG. 3 is a cross-sectional view of a first embodiment of the present application;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is a schematic overall structure diagram of a second embodiment of the present application;
FIG. 6 is a cross-sectional view of the second embodiment of the present application;
FIG. 7 is an enlarged schematic view of portion B of FIG. 6;
FIG. 8 is an enlarged schematic view of portion C of FIG. 7;
FIG. 9 is a schematic overall structure diagram of a third embodiment of the present application;
FIG. 10 is a cross-sectional view of a third embodiment of the present application;
FIG. 11 is a cross-sectional view of a base plate in accordance with a third embodiment of the present application;
fig. 12 is an enlarged schematic view of portion D in fig. 11.
Description of reference numerals: 1. pouring the device; 11. protecting the cylinder; 12. a conduit; 2. a riverbed; 3. bedrock; 4. a lifting device; 41. a second lifting lug; 42. a second wire rope; 5. a first opening, 6, a second opening; 7. an opening and closing device; 71. a pipe body; 72. an opening and closing member; 721. a first base plate; 722. a first driving member; 7221. a first lifting lug; 7222. a first wire rope; 723. a second base plate; 724. hinging a shaft; 725. a mounting seat; 726. mounting a plate; 727. a first waterproof motor; 728. a fixing plate; 729. a third base plate; 7210. a rotating shaft; 7211. a fourth via hole; 7212. a second waterproof motor; 7213. an L-shaped plate; 72131. a vertical plate; 72132. a transverse plate; 8. a support member; 81. a bottom bar; 9. a water-proof ball; 10. a storage hopper.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses equipment is pour under water to little volume bored concrete pile.
Example 1
Referring to fig. 2 and 3, the underwater casting device for the small-volume cast-in-place pile comprises a casting device 1, wherein the casting device 1 comprises a pile casing 11 and a guide pipe 12 positioned in the pile casing 11, the pile casing 11 is cylindrical, two ends of the pile casing 11 penetrate through the pile casing, and the pile casing 11 is formed by welding spiral steel pipes; when the pile casing 11 is installed, a pile driver is used for drilling the riverbed 2 and the bedrock 3 at the bottom of the riverbed 2, then the pile casing 11 is inserted into the hole, and the pile casing 11 is hammered by a diesel hammer and the like, so that the pile casing 11 is stably installed in the bedrock 3; the guide pipe 12 is made by welding spiral steel pipes, the diameter of the guide pipe 12 is smaller than that of the protective cylinder 11, the guide pipe 12 can slide along the depth direction of the protective cylinder 11 and move out of the protective cylinder 11, the pouring device 1 further comprises a lifting device 4, and the lifting device 4 is used for driving the guide pipe 12 to move upwards or downwards in the protective cylinder 11.
Referring to fig. 3, the lifting device 4 includes a second lifting lug 41 mounted on the casing 11 and a second wire rope 42 mounted on the second lifting lug 41, the second lifting lug 41 is U-shaped, the second lifting lug 41 is welded on the outer sidewall of the casing 11, the lifting device 4 further includes a second lifting member for moving the guide pipe 12 via the second wire rope 42 and the second lifting lug 41, in this embodiment, the second lifting member may be a hoist, a crane, etc., the second wire rope 42 is wound on the hoist, the crane, the free end of the second wire rope 42 on the hoist or the crane passes through the second lifting lug 41, and the free end of the second wire rope 42 is fixedly connected to the second wire rope 42 via a wire rope lock. And starting a winch or a crane, wherein the winch or the crane winds the second steel cable 42, the second steel cable 42 drives the second lifting lug 41 to lift, and the second lifting lug 41 drives the guide pipe 12 to move, so that the guide pipe 12 is conveniently moved into or moved into the pile casing 11.
Referring to fig. 3 and 4, one end of the conduit 12 is provided with a first opening 5, the other end of the conduit is provided with a second opening 6, the first opening 5 and the second opening 6 are both communicated with the inner cavity of the pile casing 11, a space for moving out concrete is reserved between the second opening 6 of the conduit 12 and the bedrock 3, the pouring device 1 further comprises an opening and closing device 7, and the opening and closing device 7 is used for opening or closing the second opening 6; after the pile casing 11 is installed in the bed rock 3, the guide pipe 12 is moved into the pile casing 11 through a winch or a crane, and further, a certain space is reserved between the guide pipe 12 and the bottom wall of the bed rock 3 so as to be convenient for moving out concrete; then, pouring concrete in the pump truck into the guide pipe 12, when the concrete in the guide pipe 12 reaches the design amount, opening the second opening 6 of the guide pipe 12 through the opening and closing device 7, moving the concrete in the guide pipe 12 out through the second opening 6 and entering the casing 11, and simultaneously lifting the guide pipe 12 by a winch or a crane to complete the pouring of the concrete.
Referring to fig. 3 and 4, the opening and closing device 7 includes a tube body 71 and an opening and closing member 72 disposed on the tube body 71, the opening and closing member 72 is used for opening and closing the tube body 71, the tube body 71 is communicated with the second opening 6 of the conduit 12, the tube body 71 is welded on the end of the conduit 12 far away from the first opening 5, the diameter of the tube body 71 is gradually reduced to be in an inverted circular truncated cone shape towards the direction far away from the first opening 5, and the peripheral wall of the first bottom plate 721 abuts against the side wall of the second opening 6 of the conduit 12 to be in the inverted circular truncated cone shape; the opening and closing member 72 includes a first bottom plate 721 located inside the tube 71, and a peripheral wall of the first bottom plate 721 abuts against a side wall of the tube 71; the first bottom plate 721 abuts against the side wall of the pipe body 71 to close the second opening 6, and as concrete is poured into the guide pipe 12, the peripheral wall of the first bottom plate 721 is tightly abutted against the side wall of the pipe body 71 under the action of the self weight of the concrete, so that the possibility that the concrete leaks through the gap between the first bottom plate 721 and the pipe body 71 is reduced; when the second opening 6 needs to be opened, the first bottom plate 721 is lifted away from the bottom wall of the bedrock 3, so that the first bottom plate 721 is separated from the pipe body 71, and the concrete is moved out through the second opening 6.
When the diameter of the tube 71 gradually increases to an open shape toward a direction away from the first opening 5, the first bottom plate 721 is in a truncated cone shape; after the concrete is poured into the guide duct 12, the first bottom plate 721 is slid toward the bottom of the bedrock 3, so that the first bottom plate 721 and the pipe body 71 are separated from each other, and the second opening 6 is opened.
Referring to fig. 3 and 4, when the diameter of the pipe body 71 is gradually reduced to an inverted circular truncated cone shape toward a direction away from the first opening 5, in order to facilitate the sliding of the first base plate 721, the opening and closing member 72 further includes a first driving member 722 for driving the first base plate 721 to move to close the pipe body 71, the first driving member 722 includes a first lifting lug 7221 provided on the first base plate 721 and a first wire rope 7222 provided on the first lifting lug 7221, the first lifting lug 7221 is U-shaped and welded to the first base plate 721, the opening and closing member 72 further includes a first lifting member for driving the guide pipe 12 to move through the first wire rope 7222 and the first lifting lug 7221, the first lifting member may be a hoist or a crane, and an end of the first wire rope 7222 away from the first lifting lug 7221 is wound on the hoist or the hoist; the winch or the crane is started, the winch or the crane winds the first steel rope 7222, the first steel rope 7222 lifts the first lifting lug 7221 in the winding process, and the first lifting lug 7221 lifts the first bottom plate 721 to lift, so that the operation is convenient and fast.
When the diameter of the pipe body 71 gradually increases to an open shape in a direction away from the first opening 5, a winch or a crane is started, the winch or the crane unreels the second steel cable 42, the first bottom plate 721 slides in a direction close to the bottom of the bedrock 3 under the action of the self weight of the concrete, and the second opening 6 is opened, so that the operation is convenient.
Referring to fig. 3 and 4, the first wire rope 7222 is detachably coupled to the first hanging lug 7221, when the second opening 6 has an inverted circular truncated cone shape, a free end of the first wire rope 7222 passes through a gap between the first hanging lug 7221 and the first base plate 721 and is wound around the first hanging lug 7221, and after being wound around the first hanging lug 7221, the free end of the first wire rope 7222 is fixedly coupled to the first wire rope 7222 by a wire rope chuck, thereby fixedly coupling the first wire rope 7222 to the first base plate 721; the first wire rope 7222 is separated from the first lug 7221, so that the first bottom plate 721 can be cleaned or replaced conveniently; when the second opening 6 is open, when the first bottom plate 721 is installed in the tubular body 71, the first bottom plate 721 is first moved to the tubular body 71, the first wire rope 7222 on the hoist or crane is passed through the guide tube 12 and the free end of the first wire rope 7222 is removed through the second opening 6, and then the free end of the first wire rope 7222 is fixed to the first wire rope 7222 by the wire rope clip, thereby facilitating the installation of the first bottom plate 721.
Referring to fig. 3 and 4, a support member 8 is disposed on the first bottom plate 721, the support member 8 is used for abutting against the bottom wall of the drilled hole of the bedrock 3, in this embodiment, the support member 8 is a bottom rod 81 welded on the first bottom plate 721, the bottom rod 81 is a steel rod made of a metal material, the bottom rod 81 is coaxial with the first bottom plate 721, the bottom rod 81 is located on one side of the first bottom plate 721 close to the bedrock 3, the length direction of the bottom rod 81 is perpendicular to the plane of the first bottom plate 721, and the bottom rod 81 extends out of the pipe body 71 through the second opening 6; when the pipe body 71 is in the shape of an inverted circular truncated cone, after the guide pipe 12 is moved into the casing 11, the end of the bottom rod 81 abuts against the bedrock 3, the guide pipe 12 has a tendency to move towards the bottom wall of the bedrock 3 as concrete is poured into the guide pipe 12, and the first bottom plate 721 has a tendency to move away from the bedrock 3 under the action of the bottom rod 81, so that the first bottom plate 721 is lifted by a winch or a crane to open the second opening 6; when the pipe body 71 is in an open shape, the bottom rod 81 supports the first bottom plate 721, the first bottom plate 721 supports the pipe body 71, and when the second opening 6 is opened, the pipe 12 is lifted by a hoist or a crane, and the first bottom plate 721 has a tendency to move toward the bottom wall of the bedrock 3 under the action of the gravity of the concrete, thereby opening the second opening 6.
In other embodiments, the bottom rods 81 may be replaced by support frames welded to the first bottom plate 721, each support frame includes a plurality of support rods, one end of each support rod is welded to form a whole, and the end of each support rod away from the first bottom plate 721 is inclined toward the direction away from the central axis of the first bottom plate 721.
The implementation principle of the embodiment 1 is as follows:
when the steel pipe pile is poured, firstly, a pile driver is used for forming holes in the riverbed 2 and the bedrock 3 below the riverbed 2, then the pile casing 11 is placed into the formed hole through a winch or a crane, and the pile casing 11 is hammered by a diesel hammer so that the pile casing 11 enters the formed hole, and the installation of the pile casing 11 is completed; subsequently, cleaning the silt in the pile casing 11; further, when the pipe body 71 is in the reverse truncated cone shape, the first bottom plate 721 is moved into the guide duct 12 using a hoist or a crane and the peripheral wall of the first bottom plate 721 is abutted on the side wall of the pipe body 71, and then the guide duct 12 is moved into the jacket 11 using the hoist or the crane; concrete in the pump truck is poured into the guide pipe 12, and when the concrete in the guide pipe 12 reaches the design amount, the first bottom plate 721 is lifted by a hoist or a crane, and the concrete in the guide pipe 12 is moved into the casing 11, thereby completing the pouring of the concrete.
When the pipe body 71 is open, the first bottom plate 721 is installed on the guide pipe 12, the first bottom plate 721 is moved to the pipe body 71, the first wire rope 7222 on the hoist or crane is passed through the guide pipe 12 and fixedly connected to the first lifting lug 7221, and then the first bottom plate 721 is lifted up so that the peripheral wall of the first bottom plate 721 abuts against the side wall of the pipe body 71; then, the guide pipe 12 is moved into the pile casing 11, and concrete is poured into the guide pipe 12; finally, the guide pipe 12 is lifted to separate the guide pipe 12 from the first bottom plate 721, and the pipe body 71 is opened, so that the concrete in the guide pipe 12 is removed through the pipe body 71, and the pouring is completed.
Example 2
Referring to fig. 5 and 6, the present embodiment is different from embodiment 1 in that, with reference to fig. 7 and 8, the opening and closing member 72 includes a second bottom plate 723 hinged to an end of the tube 71 away from the end of the conduit 12, a hinge shaft 724 is rotatably connected to the tube 71, a length direction of the hinge shaft 724 is perpendicular to a depth direction of the tube 71, the second bottom plate 723 is disposed on the hinge shaft 724, an end of the tube 71 is welded with a mounting seat 725, the mounting seat 725 is provided with a first through hole for the hinge shaft 724 to pass through, a depth direction of the first through hole is perpendicular to the depth direction of the conduit 12, and a diameter of the first through hole is greater than a diameter of the hinge; two mounting plates 726 are integrally formed on the side wall of the second bottom plate 723, a mounting seat 725 is positioned between the two mounting plates 726, second through holes for mounting a hinge shaft 724 are formed in the two mounting plates 726, the mounting plates 726 are fixedly connected to the hinge shaft 724, and the second through holes and the first through holes are coaxial; the second lower plate 723 is rotated, and the second lower plate 723 rotates along the hinge shaft 724 to open the tube body 71.
Referring to fig. 7 and 8, in order to facilitate rotation of the second base plate 723, a first waterproof motor 727 for driving a hinge shaft 724 to rotate to drive the second base plate 723 to open or close the pipe body 71 is disposed on the pipe body 71, two fixing plates 728 are welded to an end of the pipe body 71, two mounting plates 726 are disposed between the two fixing plates 728, further, the two mounting plates 726 and the two fixing plates 728 are disposed on the same straight line, the first waterproof motor 727 is fixedly connected to one fixing plate 728 through a bolt, a third through hole for an output shaft of the first waterproof motor 727 to pass through is formed in each fixing plate 728, and the hinge shaft 724 is coaxially connected to an output shaft of the first waterproof motor 727 through a coupler; meanwhile, the first waterproof motor 727 has a self-locking performance; after the concrete is poured into the guide pipe 12, the first waterproof motor 727 is started, the first waterproof motor 727 drives the hinged shaft 724 to rotate, and the hinged shaft 724 rotates to drive the second bottom plate 723 to rotate towards one side of the bottom wall of the bedrock 3, so that the pipe body 71 is opened.
The implementation principle of the embodiment 2 is as follows:
when concrete is poured into the pile casing 11, the guide pipe 12 is hung on a winch or a crane, the winch or the crane lifts the guide pipe 12 into the pile casing 11, and the guide pipe 12 is lowered; concrete in the concrete tank truck is poured into the guide pipe 12, when the amount of the concrete in the guide pipe 12 reaches the design amount, the first waterproof motor 727 is started, the first waterproof motor 727 drives the hinged shaft 724 to rotate, the hinged shaft 724 rotates to drive the second bottom plate 723 to rotate towards one side of the bottom wall of the bedrock 3, the concrete in the guide pipe 12 enters the pile casing 11 through the pipe body 71, the concrete in the pile casing 11 is gradually accumulated, the integrity of concrete pouring is ensured, and the forming quality of the concrete is improved.
Example 3
Referring to fig. 9 and 10, the present embodiment is different from the other embodiments in that, in combination with fig. 11 and 12, the opening and closing member 72 includes a third bottom plate 729 rotatably connected to an end portion of the tube body 71 away from the guide tube 12, a rotating shaft 7210 is rotatably connected to the tube body 71, a length direction of the rotating shaft 7210 is parallel to a depth direction of the tube body 71, and a disk is integrally formed at an end portion of the rotating shaft 7210, and a diameter of the disk is greater than a diameter of the rotating shaft 7210; the end part of the pipe body 71 is provided with a mounting cavity for mounting a disc, the end part of the pipe body 71 is provided with a notch for allowing one end of the rotating shaft 7210 to enter the pipe body 71, the diameter of the notch is smaller than that of the mounting hole, the third bottom plate 729 is fixedly mounted on the rotating shaft 7210, the third bottom plate 729 is provided with a fourth through hole 7211, and the rotating shaft 7210 is welded on the side wall of the fourth through hole 7211; a second waterproof motor 7212 for driving the rotating shaft 7210 to rotate to drive the third bottom plate 729 to open or close the pipe body 71 is arranged on the pipe body 71, an L-shaped plate 7213 is mounted on the pipe body 71, the L-shaped plate 7213 comprises a vertical plate 72131 parallel to the depth direction of the pipe body 71 and a transverse plate 72132 perpendicular to the length direction of the pipe body 71, one end of the vertical plate 72131 is welded on the side wall of the pipe body 71, the transverse plate 72132 is welded at the end part of the vertical plate 72131 far away from the pipe body 71, the second waterproof motor 7212 is connected to the transverse plate 72132 through a bolt, and the rotating shaft 7210 is coaxially connected to an output shaft of the second; start second waterproof motor 7212, second waterproof motor 7212 drive pivot 7210 rotates, and pivot 7210 rotates and drives third bottom plate 729 and rotate and open body 71, simple operation.
The implementation principle of the embodiment 3 is as follows:
when concrete is poured into the pile casing 11, the guide pipe 12 is hung on a winch or a crane, the winch or the crane lifts the guide pipe 12 into the pile casing 11, and the guide pipe 12 is lowered; concrete in the concrete tank truck is poured into the guide pipe 12, when the amount of the concrete in the guide pipe 12 reaches the design amount, the second waterproof motor 7212 is started, the second waterproof motor 7212 drives the rotating shaft 7210 to rotate, the rotating shaft 7210 rotates to drive the third bottom plate 729 to rotate and open the pipe body 71, the concrete in the guide pipe 12 enters the pile casing 11 through the pipe body 71, the concrete in the pile casing 11 is gradually accumulated, the integrity of the concrete pouring is ensured, and the forming quality of the concrete is improved.
A small-volume cast-in-place pile underwater pouring construction method comprises small-volume cast-in-place pile underwater pouring equipment, and comprises the following steps:
s1: drilling a bed rock 3 at the river bottom by using a pile driver, feeding a pile casing 11 into a formed hole of the bed rock 3, and hammering the pile casing 11 by using a diesel hammer to integrally connect the pile casing 11 and the bed rock 3;
s2: cleaning silt in the protective cylinder 11 by using a rotary drilling rig;
s3: when the diameter of the pipe body 71 is gradually reduced towards the direction away from the first opening 5, the first lifting lug 7221 is lifted by using the first lifting piece to move the first bottom plate 721 into the guide pipe 12, the first bottom plate 721 is lowered, the peripheral wall of the first bottom plate 721 abuts against the side wall of the pipe body 71, the support piece 8 abuts against the bottom wall of the drilled hole of the bedrock 3, then the concrete in the concrete pump truck is poured into the guide pipe 12, when the concrete in the guide pipe 12 reaches the designed amount, the first steel cable 7222 is lifted by the first lifting piece, the first lifting lug 7221 is lifted by the first steel cable 7222, the first lifting lug 7221 drives the first bottom plate 721 to be separated from the pipe body 71, and the concrete in the guide pipe 12 is moved out into the casing 11 through the pipe body 71; in the concrete removing process, the second steel cable 42 is lifted through the second lifting piece, and the second steel cable 42 lifts the guide pipe 12 to complete pouring;
when the diameter of the pipe body 71 is gradually increased away from the first opening 5, the worker moves the first bottom plate 721 to the pipe body 71, then moves the first wire rope 7222 into the guide pipe 12 and out through the pipe body 71, connects the first wire rope 7222 to the first lifting lug 7221, and then lifts the first bottom plate 721 through the first lifting member so that the first bottom plate 721 abuts against the side wall of the pipe body 71; the guide tube 12 is moved into the casing 11 by the first lifting member, and the support member 8 is abutted on the bottom wall of the bedrock 3, and then a designed amount of concrete is poured into the guide tube 12; finally, the guide pipe 12 is lifted through the second lifting piece, meanwhile, the first bottom plate 721 has a movement trend towards the bedrock 3, the pipe body 71 is separated from the first bottom plate 721, concrete in the guide pipe 12 moves out through the pipe body 71 to enter the pile casing 11, and pouring is carried out after the concrete is poured;
s4: the conduit 12 is removed from the casing 11 using a second lifting member and the next casing 11 is cast.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a little volume bored concrete pile equipment of pouring under water which characterized in that: the device comprises a pouring device (1), wherein the pouring device (1) comprises a protective cylinder (11) and a guide pipe (12) positioned in the protective cylinder (11), one end of the guide pipe (12) is provided with a first opening (5), and the other end of the guide pipe is provided with a second opening (6); the pouring device (1) further comprises an opening and closing device (7) and a lifting device (4), the opening and closing device (7) is used for opening or closing the second opening (6), and the lifting device (4) is used for driving the guide pipe (12) to move upwards or downwards in the pile casing (11).
2. The small-volume cast-in-place pile underwater pouring device as claimed in claim 1, wherein: the opening and closing device (7) comprises a pipe body (71) and an opening and closing part (72) arranged on the pipe body (71), the opening and closing part (72) is used for opening and closing the pipe body (71), the pipe body (71) is communicated with the second opening (6) of the guide pipe (12), the diameter of the pipe body (71) is gradually reduced or gradually increased towards the direction far away from the first opening (5), the opening and closing part (72) comprises a first bottom plate (721) located in the pipe body (71), the peripheral wall of the first bottom plate (721) abuts against the side wall of the pipe body (71), and the opening and closing part (72) further comprises a first driving part (722) used for driving the first bottom plate (721) to move to close the pipe body (71).
3. The small-volume cast-in-place pile underwater pouring device as claimed in claim 2, wherein: the first driving member (722) comprises a first lifting lug (7221) arranged on the first base plate (721) and a first steel cable (7222) arranged on the first lifting lug (7221), and the driving member further comprises a first lifting member for driving the guide pipe (12) to move through the first steel cable (7222) and the first lifting lug (7221).
4. The small-volume cast-in-place pile underwater pouring device as claimed in claim 3, wherein: the first cable (7222) is removably attached to the first base plate (721).
5. A small-volume cast-in-place pile underwater pouring device as claimed in any one of claims 2 to 4, wherein: the first bottom plate (721) is provided with a support piece (8), and the support piece (8) is used for being abutted to the bottom wall of the bedrock (3) drilling hole.
6. The small-volume cast-in-place pile underwater pouring device as claimed in claim 5, wherein: the lifting device (4) comprises a second lifting lug (41) arranged on the protective cylinder (11) and a second steel cable (42) arranged on the second lifting lug (41), and the lifting device (4) further comprises a second lifting piece which drives the guide pipe (12) to move through the second steel cable (42) and the second lifting lug (41).
7. The small-volume cast-in-place pile underwater pouring device as claimed in claim 2, wherein: the opening and closing piece (72) comprises a second bottom plate (723) hinged to the end portion, far away from the guide pipe (12), of the pipe body (71), a hinged shaft (724) is connected to the pipe body (71) in a rotating mode, the length direction of the hinged shaft (724) is perpendicular to the depth direction of the pipe body (71), the second bottom plate (723) is arranged on the hinged shaft (724), and a first waterproof motor (727) used for driving the hinged shaft (724) to rotate to drive the second bottom plate (723) to open or close the pipe body (71) is arranged on the pipe body (71).
8. The small-volume cast-in-place pile underwater pouring device as claimed in claim 2, wherein: opening and closing piece (72) are including rotating third bottom plate (729) of connecting and keeping away from pipe (12) tip at body (71), it is connected with pivot (7210) to rotate on body (71), the length direction of pivot (7210) is on a parallel with the depth direction of body (71), third bottom plate (729) set up on pivot (7210), be provided with on pipe (12) and be used for driving pivot (7210) to rotate and drive third bottom plate (729) and open or closed second waterproof motor (7212) with body (71).
9. An underwater casting construction method of a small-volume cast-in-place pile, comprising the underwater casting equipment of the small-volume cast-in-place pile of claim 6, characterized in that: the method comprises the following steps:
s1: drilling a bedrock (3) at the river bottom by using a pile driver, sending a pile casing (11) into a formed hole of the bedrock (3), and hammering the pile casing (11) by using a diesel hammer to connect the pile casing (11) and the bedrock (3) into a whole;
s2: cleaning silt in the pile casing (11) by using a rotary drilling rig;
s3: when the diameter of the pipe body (71) is gradually reduced towards the direction away from the first opening (5), a first lifting lug (7221) is lifted to enable the first bottom plate (721) to move into the guide pipe (12) and lower the first bottom plate (721), the peripheral wall of the first bottom plate (721) abuts against the side wall of the pipe body (71), the supporting piece (8) abuts against the bottom wall of the drilled hole of the bedrock (3), then concrete in the concrete pump truck is poured into the guide pipe (12), when the concrete in the guide pipe (12) reaches a designed square amount, the first steel rope (7222) is lifted through the first lifting lug, the first steel rope (7222) lifts the first lifting lug (7221), the first lifting lug (7221) drives the first bottom plate (721) to be separated from the pipe body (71), and the concrete in the guide pipe (12) enters the protective barrel (11) through the pipe body (71); in the process of removing the concrete in the guide pipe (12), lifting the second steel cable (42) through the second lifting piece, and lifting the guide pipe (12) through the second steel cable (42) to finish pouring;
when the diameter of the pipe body (71) is gradually increased towards the direction away from the first opening (5), a worker moves the first bottom plate (721) to the pipe body (71), then moves the first steel rope (7222) into the guide pipe (12) and out through the pipe body (71), then connects the first steel rope (7222) to the first lifting lug (7221), and then lifts the first bottom plate (721) through the first lifting piece to enable the first bottom plate (721) to abut against the side wall of the pipe body (71); then, the guide pipe (12) is moved into the pile casing (11) through the first lifting piece, the support piece (8) abuts against the bottom wall of the bedrock (3), and then a designed amount of concrete is poured into the guide pipe (12); finally, the guide pipe (12) is lifted through the second lifting piece, meanwhile, the first bottom plate (721) has a movement trend towards the bedrock (3), the pipe body (71) is separated from the first bottom plate (721), concrete in the guide pipe (12) enters the pile casing (11) through the pipe body (71), and pouring is carried out after the concrete is poured;
s4: and (3) using a second lifting member to remove the guide pipe (12) from the casing (11) and pouring the next casing (11).
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| CN202110402533.2A CN113123343A (en) | 2021-04-14 | 2021-04-14 | Small-volume cast-in-place pile underwater pouring equipment and construction method |
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| CN202110402533.2A CN113123343A (en) | 2021-04-14 | 2021-04-14 | Small-volume cast-in-place pile underwater pouring equipment and construction method |
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| CN113123343A true CN113123343A (en) | 2021-07-16 |
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Application publication date: 20210716 |