CN212612381U - Self-anchored overwater operation platform - Google Patents
Self-anchored overwater operation platform Download PDFInfo
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- CN212612381U CN212612381U CN202021503041.XU CN202021503041U CN212612381U CN 212612381 U CN212612381 U CN 212612381U CN 202021503041 U CN202021503041 U CN 202021503041U CN 212612381 U CN212612381 U CN 212612381U
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Abstract
The utility model discloses a from anchor formula operation platform on water has: the assembled bearing buoyancy tank comprises a left steel buoyancy tank and a right steel buoyancy tank which are fixedly connected through a fixed steel frame; the track sliding device is fixed on the tops of the left steel buoyancy tank and the right steel buoyancy tank in parallel by two square steels; the trephine comprises a supporting base finely adjusted by sliding of a roller and a drill bit which is arranged in the center of the supporting base and penetrates through a drill hole downwards; the bottom of the roller is movably arranged on the track sliding device for fine adjustment, and the top movably supports the base; the self-anchoring device comprises at least two hydraulic telescopic positioning devices, each hydraulic telescopic positioning device is inserted into the riverbed in a telescopic mode and is arranged on the outer sides of the left steel buoyancy tank and the right steel buoyancy tank. The utility model discloses an operation platform and method have guaranteed that the river course crosses the water section, equipment such as steel reinforcement cage and rig-surrounding and auxiliary material shift, take one's place convenient and fast, reduce the input of people, machinery and material, have improved work efficiency and saving cost.
Description
Technical Field
The utility model relates to an operation equipment technical field on water especially relates to from anchor formula operation platform on water.
Background
In the bridge pile foundation work progress, drilling bored concrete pile operation platform in conventional aquatic, rivers are mild, and when the river course that the depth of water is less than 5m carries out bridge pile construction, the two kinds of platforms are mainly used commonly. One of the methods adopts an island building platform, and the structure occupies a large river channel area and is inconvenient to move in the using process; the other is to adopt a steel structure platform which is well solved in the aspects of durability and movement, but has the defect of higher manufacturing cost. Even if the cost is neglected to carry out the overwater operation, the technical problem of ensuring the quality of the pile head of the pile to be formed and dismantling the pile casing is still solved in the construction process of the overwater drilled pile.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of above-mentioned prior art, the utility model provides an utilize balanced principle of buoyancy to solve rig, auxiliary fittings and construction load when the riverbed becomes the stake, take root in the riverbed bottom from the anchor device, ensure that the work progress platform is steady firm, guarantee the river course simultaneously and cross the water section, equipment and auxiliary material aversion such as steel reinforcement cage and ring drill, convenient and fast takes one's place, reduce people, the input of machinery and material, the self-anchored overwater operation platform and the operation method of work efficiency and cost-effective have been improved.
The utility model adopts the technical proposal that: self-anchored above-water work platform, having:
the assembled bearing buoyancy tank comprises a left steel buoyancy tank and a right steel buoyancy tank which are fixedly connected through a fixed steel frame, a gap L is formed between the left steel buoyancy tank and the right steel buoyancy tank, and a drill bit of the annular drilling machine is fed into a riverbed to be drilled and positioned for use through the gap L, so that the installation and positioning of the reinforcement cage are realized;
the track sliding device is fixed on the tops of the left steel buoyancy tank and the right steel buoyancy tank in parallel by two square steels and is used for supporting the ring drilling machine;
the trephine comprises a supporting base finely adjusted by sliding of a roller and a drill bit which is arranged in the center of the supporting base and penetrates through a drill hole downwards;
the bottom of the roller is movably arranged on the track sliding device for fine adjustment, and the top of the roller movably supports the base;
from anchor device, including two at least hydraulic stretching positioner, each hydraulic stretching positioner is flexible to be inserted the riverbed to the setting is in the left steel flotation tank and the right steel flotation tank outside, for support the stability of left and right steel flotation tank.
More preferably, the number of rollers is at least two.
Preferably, the number of the hydraulic telescopic positioning devices of the self-anchoring device is four, the hydraulic telescopic positioning devices are respectively fixed at four corners outside the left steel buoyancy tank and the right steel buoyancy tank, and each hydraulic telescopic positioning device is welded outside the left steel buoyancy tank and the right steel buoyancy tank.
Preferably, the above-water operation platform further comprises an embedded type separation pile casing, the embedded type separation pile casing is formed by movably nesting an outer pile casing and an inner pile casing, and the embedded type separation pile casing is driven into the bottom of a river bed by a drill bit of a rig to position the pile head of the installed pile.
Preferably, the outer diameter of the outer protecting cylinder is 0.5 times larger than the outer diameter of the pile, and the inner diameter of the outer protecting cylinder is consistent with the outer diameter of the inner protecting cylinder.
More preferably, a gap L between the left steel buoyancy tank and the right steel buoyancy tank is 1.5-3.5 m.
Preferably, the fixed steel frame is arranged along the outer edges of the tops of the left steel buoyancy tank and the right steel buoyancy tank and is formed by welding at least four square steels with the tops of the left steel buoyancy tank and the right steel buoyancy tank.
Preferably, the self-anchoring device further comprises positioning upright columns fixed to the outer edges of the left steel buoyancy tank and the right steel buoyancy tank, and a hollow cavity is formed in each positioning upright column and is used for the telescopic shaft of each hydraulic telescopic positioning device to stretch and retract.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a from anchor formula assembly flotation tank operation platform on water utilizes the balanced principle of buoyancy to solve the stake machine load, takes root from the anchor device and ensures that the work progress platform is steady firm, guarantees the river course simultaneously and crosses the water section, and steel reinforcement cage and trephine shift, the convenient and fast that takes one's place, reduce the input of people, machinery and material, have improved work efficiency and practice thrift the cost. The equipment has the main application range: the water flow is gentle, the water depth is less than 5m, the pile diameter is not more than 1.5m, and the construction of the pile foundation of the medium and small bridges for river channel circulation is realized.
The utility model discloses a from anchor assembly flotation tank operation platform on water has still taken the nested pile casing of protecting of disconnect-type to become stake auxiliary technique, has solved under the prerequisite of aquatic stake pile head quality, and the difficult problem of demolising and reuse is protected to inside and outside the section of thick bamboo, and contrast conventional method reduces and protects a section of thick bamboo input, pile head concrete excess and demolish and protect a section of thick bamboo manpower, simplifies the technology intermittent type greatly, improves the utilization ratio that protects a section of thick bamboo, provides the meaning of reference and popularization for similar engineering.
Drawings
FIG. 1 is a block diagram of a self-anchored marine work platform;
FIG. 2 is a view of a self-anchored overwater work platform
FIG. 3 is a flow chart of a method for manufacturing a self-anchored offshore platform;
FIG. 4 is a schematic view of the mud circulation process during the second cleaning of the pile hole;
wherein: 100-assembled bearing buoyancy tanks, 110-fixed steel frames, 120-left steel buoyancy tanks, 130-right steel buoyancy tanks and 140-gaps L; 200-a track sliding device, 210-square steel, 300-an embedded separation casing, 310-an outer casing and 320-an inner casing; 400-trephine, 410-support base, 420-drill bit; 500-roller, 600-self-anchoring device, 610-hydraulic telescopic positioning device, 620-positioning upright post and 630-lengthened supporting leg.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the combination 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. In addition, in the description process of the embodiment of the present invention, the position relationships of the devices such as "up", "down", "front", "back", "left", "right" in all the drawings all use fig. 1 as a standard.
As shown in fig. 1, the self-anchored water work platform includes:
the assembled bearing buoyancy tank 100 comprises a left steel buoyancy tank 120 and a right steel buoyancy tank 130 which are fixedly connected through a fixed steel frame 110, a gap L140 is formed between the left steel buoyancy tank 120 and the right steel buoyancy tank 130, and the gap L140 is used for positioning a drill bit 420 of the rig 400 by extending into a river bed to drill a hole, so that a reinforcement cage is installed and positioned;
the track sliding device 200 is fixed on the tops of the left steel buoyancy tank 120 and the right steel buoyancy tank 130 in parallel by at least two square steels 210 and is used for supporting the ring drilling machine 400;
a trephine 400 comprising a support base 410 finely adjusted by sliding with a roller 500, and a drill bit 420 centrally positioned on the support base 410 and drilling downward through the hole;
the bottom of the roller 500 is movably arranged on the track sliding device 200 for fine adjustment, and the top movably supports the base 410, so that the specific position of the whole trephine drill bit relative to the river bed can be adjusted conveniently; in the specific implementation process, the roller 500 is made of a steel rod or a steel pipe, and the left free end part and the right free end part of the roller are provided with limiting sleeves as required to place the roller to roll out of the track sliding device 200;
the self-anchoring device 600 comprises at least two hydraulic telescopic positioning devices 610, wherein each hydraulic telescopic positioning device 610 is telescopically inserted into a riverbed and is arranged outside the left steel buoyancy tank 120 and the right steel buoyancy tank 130 to support the stability of the left steel buoyancy tank and the right steel buoyancy tank.
The number of the rollers 500 of the self-anchored offshore platform is at least two, which facilitates the support and movement of the rig 400, or three or more, but too many are inconvenient to move and the space is limited.
From anchor formula operation platform on water's hydraulic stretching positioner 610 from anchor device 600 is four, fixes respectively on four angles in the left steel flotation tank 120 and the right steel flotation tank 130 outside to each hydraulic stretching positioner 610 welds in the left steel flotation tank 120 and the right steel flotation tank 130 outside, and then guarantees that the assembled bearing flotation tank that is formed by connecting left steel flotation tank and right steel flotation tank has better stability. In order to ensure the telescopic stability of the whole hydraulic telescopic positioning device 610, the outer side of the telescopic shaft is inserted into the positioning upright post through a lengthened supporting leg 630, so that the stability of the pipe hydraulic telescopic device and the whole assembly type bearing buoyancy tank is enhanced, and the whole self-anchored water operation platform is improved. The water work platform of the self-anchored water work platform further comprises an embedded separated pile casing 300, the embedded separated pile casing 300 is formed by movably nesting an outer pile casing 310 and an inner pile casing 320, the embedded separated pile casing 300 is driven into the bottom of a river bed by a drill bit 420 of a trephine 400 to position and install the position of a pile-forming pile head, concrete is poured into the embedded separated pile casing 300, the outer pile casing 310 is firstly removed after the pile-forming pile head is completely crossed, the inner pile casing is removed after the pile-forming pile head concrete reaches certain strength, the pile-forming pile head after being removed is good in quality, the outer pile casing and the inner pile casing after being removed can be recycled, and the running cost of equipment is reduced.
The outer diameter of the outer protecting cylinder 310 of the self-anchored water work platform is 0.5 times larger than the outer diameter of the pile, and the inner diameter of the outer protecting cylinder 310 is consistent with the outer diameter of the inner protecting cylinder 320, so that the self-anchored water work platform is convenient to nest and mount before positioning.
A gap L140 between the left steel buoyancy tank 120 and the right steel buoyancy tank 130 of the self-anchored water work platform is 1.5-3.5m, so that enough space can be provided for mounting and dismounting equipment such as a ring drilling machine, a reinforcement cage and a blanking funnel, and meanwhile, enough load can be guaranteed.
The fixed steel frame 110 of the self-anchored water work platform is arranged along the outer edges of the tops of the left steel buoyancy tank 120 and the right steel buoyancy tank 130 and is formed by welding at least four square steels with the tops of the left steel buoyancy tank 120 and the right steel buoyancy tank 130.
From anchor formula operation platform on water from anchor device 600 still includes a location stand 620 of fixing at left steel flotation tank 120 and right steel flotation tank 130 outward flange, cavity is established to each inside of location stand 620, supply with the telescopic shaft telescopic use of each hydraulic stretching positioner 610, and then realize connecting each hydraulic stretching positioner detachably on left steel flotation tank 120 and right steel flotation tank 130, realize from anchor device's the convenient dismouting of the hydraulic stretching positioner, transportation and use.
The operation method based on the self-anchored water operation platform comprises the following steps:
a. adjusting the position of a drill bit of the trephine on the assembled bearing buoyancy tank, and driving the outer protective cylinder into the riverbed after the position is well positioned;
b. on the track sliding device, the position of a drill bit of the drilling machine is adjusted through a sliding roller, a pile hole is drilled by using a trepanning machine, and slurry in the drilled pile hole is cleaned in time;
c. adjusting the position of a drill bit of the trephine on the assembled bearing buoyancy tank, placing the inner protection cylinder on a drill bit of the trephine to be driven into a riverbed after positioning, and driving the outer protection cylinder and the inner protection cylinder into the riverbed by the trephine by utilizing self gravity and self hydraulic device back pressure;
d. checking the size and requirements of the drilled hole, and if the size and requirements do not meet the requirements, carrying out appropriate reworking and adjustment;
e. putting down a pile head reinforcement cage, and constructing on a left steel buoyancy tank and a right steel buoyancy tank of the operation platform by constructors;
f. a guide pipe and a blanking funnel are arranged in the inner pile casing so as to pour concrete;
g. re-checking the size of the pile hole and the thickness of the bottom sediment layer on the river bed, when the size exceeds the specification or the design requirement, performing secondary cleaning of the pile hole through a guide pipe, performing secondary cleaning of the pile hole through the guide pipe, stopping cleaning the hole after the measured value of the thickness of sediment at the bottom of the hole meets the design specification, cleaning the mud in the pile hole as shown in figure 4, connecting an outer protective cylinder and a mud pump through the guide pipe, performing mud circulation cleaning by matching with a mud sedimentation tank, ensuring that the mud in the pile hole is not blocked and is not precipitated, wherein the specific cleaning process is as shown in figure 4, sucking the mud in the inner protective cylinder out of the mud pump to the sedimentation tank through the mud sedimentation tank by the mud pump, and repeatedly circulating the mud at the outlet of the mud pump through the inner protective cylinder, wherein the circulating direction is as shown;
h. the secondary pile hole cleaning is circulated until the concrete is poured, the slurry circulation cleaning is not stopped until the concrete is poured from the blanking hopper and the guide pipe to form a pile, in the process of pouring concrete into the reinforcement cage, a vertical lifting conduit method (a straight conduit) is adopted for pouring the underwater concrete, the reinforcement cage is prevented from being collided when the conduit is arranged, a conduit support frame is made of section steel, the support frame is supported and cushioned on a drilling platform, used for supporting and suspending the guide pipe, the guide pipe is suspended and disassembled by a drill frame during the concrete pouring period, and the concrete is poured into a reinforcement cage, when the blanking funnel is filled with concrete, the bottom of the funnel is separated by using the water-isolating plug, a certain amount of sediment is deposited at the bottom of the inner protective cylinder, after enough concrete is deposited in the feeding hopper, the isolating bolt is pulled out to enable the concrete to rapidly deposit at the bottom of the inner protective cylinder, and then continuous pouring is carried out;
i. pulling out the outer protective barrel by using a trephine or other auxiliary equipment, wherein the pulling out of the inner protective barrel is also performed in the same way;
j. and removing the inner pile casing after the pile forming strength meets the inspection requirement.
When the self-anchored overwater operation platform works and concrete is poured in the step h, the discharging hopper is filled with concrete, the lower end of the concrete quantity guarantee conduit in the discharging hopper is embedded into the concrete surface for more than 1m at one time, then the water-isolating bolt at the bottom of the discharging hopper is pulled out rapidly, concrete mixture enters water rapidly under the action of self weight, and the strength of the poured pile-forming bottom is good.
To sum up, the utility model discloses a from anchor formula operation platform and operation method on water puts down, auxiliary fixtures and construction load according to trephine drilling equipment, pile forming steel reinforcement cage, and operation platform divide into assembled bearing flotation tank 100, track displacement device 200 and from anchor dress from anchor device 600. The assembled bearing buoyancy tank 100 is designed into a left steel buoyancy tank and a right steel buoyancy tank with the space interval of 2m, and the top of the two buoyancy tanks is transversely consolidated with 4 pieces of 20cm square steel with the space interval of 2m and the steel buoyancy tanks into a whole for balancing load through buoyancy; the rail sliding device 200 is a steel rail which is longitudinally distributed in a parallel 20 multiplied by 20cm square along the inner sides of the tops of the left and right steel buoyancy tanks and is used for the micro adjustment of the circulating drilling machine and the roller in position; the self-anchoring device is a hydraulic telescopic positioning steel claw which is vertically welded at four corners outside the left and right steel buoyancy tanks and sinks into a riverbed to support the left and right steel buoyancy tanks to be stable, thereby realizing load support.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (8)
1. From anchor formula operation platform on water, its characterized in that: comprising:
the assembled bearing buoyancy tank (100) comprises a left steel buoyancy tank (120) and a right steel buoyancy tank (130) which are fixedly connected through a fixed steel frame (110), a gap L (140) is formed between the left steel buoyancy tank (120) and the right steel buoyancy tank (130), and the gap L (140) is used for a drill bit (420) of the ring drilling machine (400) to stretch into a river bed for drilling and positioning;
the track sliding device (200) is fixed on the tops of the left steel buoyancy tank (120) and the right steel buoyancy tank (130) in parallel by at least two pieces of square steel (210) and is used for supporting the ring drilling machine (400);
the trephine (400) comprises a supporting base (410) which is finely adjusted by sliding through a roller (500), and a drill bit (420) which is arranged at the center of the supporting base (410) and penetrates through a drill hole downwards;
the bottom of the roller (500) is movably arranged on the track sliding device (200) for fine adjustment, and the top of the roller movably supports the base (410);
self-anchoring device (600) includes two at least hydraulic telescoping positioning device (610), and each hydraulic telescoping positioning device (610) is flexible inserts the riverbed to set up in left steel flotation tank (120) and right steel flotation tank (130) outside.
2. A self-anchoring marine work platform according to claim 1, wherein: the number of the rollers (500) is at least two.
3. A self-anchoring marine work platform according to claim 1, wherein: the number of the hydraulic telescopic positioning devices (610) of the self-anchoring device (600) is four, the hydraulic telescopic positioning devices are respectively fixed at four corners of the outer sides of the left steel buoyancy tank (120) and the right steel buoyancy tank (130), and each hydraulic telescopic positioning device (610) is welded at the outer sides of the left steel buoyancy tank (120) and the right steel buoyancy tank (130).
4. A self-anchoring marine work platform according to claim 1, wherein: the above-water operation platform further comprises an embedded separation pile casing (300), the embedded separation pile casing (300) is formed by movably nesting an outer protective casing (310) and an inner protective casing (320), and the embedded separation pile casing (300) is driven into the bottom of the river bed by a drill bit (420) of a trephine (400) to position the position of the installed pile head.
5. A self-anchoring marine work platform according to claim 4, wherein: the outer diameter of the outer pile casing (310) is 0.5 times larger than that of the pile, and the inner diameter of the outer pile casing (310) is consistent with that of the inner pile casing (320).
6. A self-anchoring marine work platform according to claim 1, wherein: a gap L (140) between the left steel buoyancy tank (120) and the right steel buoyancy tank (130) is 1.5-3.5 m.
7. A self-anchoring marine work platform according to claim 1 or 3, wherein: the fixed steel frame (110) is arranged along the outer edges of the tops of the left steel buoyancy tank (120) and the right steel buoyancy tank (130) and is formed by welding at least four square steels with the tops of the left steel buoyancy tank (120) and the right steel buoyancy tank (130).
8. A self-anchoring marine work platform according to claim 7, wherein: the self-anchoring device (600) further comprises positioning upright columns (620) fixed to the outer edges of the left steel buoyancy tank (120) and the right steel buoyancy tank (130), a hollow cavity is arranged inside each positioning upright column (620), and the hollow cavities are used for telescopic shafts of each hydraulic telescopic positioning device (610) to stretch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021503041.XU CN212612381U (en) | 2020-07-27 | 2020-07-27 | Self-anchored overwater operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021503041.XU CN212612381U (en) | 2020-07-27 | 2020-07-27 | Self-anchored overwater operation platform |
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| Publication Number | Publication Date |
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| CN212612381U true CN212612381U (en) | 2021-02-26 |
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| CN202021503041.XU Active CN212612381U (en) | 2020-07-27 | 2020-07-27 | Self-anchored overwater operation platform |
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- 2020-07-27 CN CN202021503041.XU patent/CN212612381U/en active Active
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