CN211171949U - Underwater screw anchoring foundation - Google Patents
Underwater screw anchoring foundation Download PDFInfo
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- CN211171949U CN211171949U CN201921146332.5U CN201921146332U CN211171949U CN 211171949 U CN211171949 U CN 211171949U CN 201921146332 U CN201921146332 U CN 201921146332U CN 211171949 U CN211171949 U CN 211171949U
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- steel pipe
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- anchor body
- shrouding
- force transmission
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Abstract
The utility model relates to an underwater spiral anchoring foundation, which comprises a short and thick spiral anchor body, a construction rotator for driving the spiral anchor body to rotate to the bottom soil of a pond and a force transmission device for connecting the spiral anchor body and the construction rotator; the spiral anchor body comprises a steel pipe die with a cylindrical upper end and a conical bottom end, a counterweight is filled in the steel pipe die, and blades which are spirally arranged are welded on the outer wall of the steel pipe die; the force transmission device comprises a force transmission piece and a positioning rod, the force transmission piece is fixedly connected with the upper end of the spiral anchor body, and the positioning rod is matched and positioned with the construction rotator.
Description
Technical Field
The utility model relates to an underwater screw anchor basis.
Background
The existing spiral anchor foundation is a foundation type adopted by structures on land, is formed by connecting a bearing platform, anchor disc blades and anchor rods, is mostly in a slender structure, and is pulled out and pressed downwards to bear force respectively by the bearing platform, the anchor disc and the anchor rods. Due to the slender structure, a connecting bearing platform is required to combine a plurality of anchor rods. For the underwater fixed foundation of the water floating structure, only uplift force and horizontal force are applied, and because of the buoyancy of water, the underwater foundation is not applied with downward force, so that the problem that the design of a simple spiral anchor foundation which omits a connecting bearing platform and is suitable for only being applied with uplift force and horizontal force is urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above drawback, provide an underwater screw anchor basis.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the construction device comprises a short and thick spiral anchor body, a construction rotator for driving the spiral anchor body to rotate into bottom soil of a pond and a force transmission device for connecting the spiral anchor body and the construction rotator; the spiral anchor body comprises a steel pipe die with a cylindrical upper end and a conical bottom end, a counterweight is filled in the steel pipe die, and blades which are spirally arranged are welded on the outer wall of the steel pipe die; the force transmission device comprises a force transmission piece and a positioning rod, the force transmission piece is fixedly connected with the upper end of the spiral anchor body, and the positioning rod is matched and positioned with the construction rotator.
The force transmission piece is a steel pipe which is integrally in an inverted U shape and comprises a first vertical pipe, a second vertical pipe and a transverse pipe connected with the first vertical pipe and the second vertical pipe, a positioning rod arranged in the vertical direction is welded in the middle of the transverse pipe, and the first vertical pipe and the second vertical pipe are inserted into and fixed on the inner portion of a steel pipe die.
And a cable is connected to the first vertical pipe or the second vertical pipe, and the other end of the cable is fixed with the floating system.
The construction rotator include the steel pipe that vertical direction arranged, the top of steel pipe is equipped with the shrouding, and the intermediate position of going up the shrouding is equipped with the threaded rod that links to each other with construction machinery, the bottom of steel pipe is equipped with shrouding under first shrouding and the second in proper order from bottom to top, leave the clearance under first shrouding and the second between the shrouding, first shrouding on be equipped with the notch that supplies to pass through power piece, the center department of shrouding is equipped with the locating hole with locating lever matched with under the second.
The counterweight filled in the steel pipe die is concrete, soil and construction waste.
The beneficial effects of the utility model reside in that: 1) the spiral anchor body is set to be in a short and thick structure, and only one group of spiral blades are arranged, so that a connecting bearing platform of the original structure is omitted, and the spiral anchor body is simpler and easier to manufacture; 2) the counterweight inside the spiral anchor body can be concrete, soil and construction waste, so that the construction cost is saved; 3) the bottom of screw anchor body adopts the toper structure, and the during operation pierces through soil more easily, 4) the setting of construction circulator for the construction operation is more convenient, has improved the efficiency of construction greatly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the screw anchor body of the present invention;
FIG. 3 is a schematic view of the force transfer device of the present invention;
FIG. 4 is a schematic structural view of the construction rotator of the present invention;
FIG. 5 is a bottom view of FIG. 4;
fig. 6 is a schematic structural view of the construction rotator and the force transmission device of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
the underwater screw anchoring foundation shown in fig. 1 comprises a short and thick screw anchor body 1, a construction rotator 2 for driving the screw anchor body 1 to rotate into the bottom soil of a pond and a force transmission device 3 for connecting the screw anchor body 1 and the construction rotator 2. Specifically, the length and diameter of the screw anchor body 1 are obtained by a specific counterweight during construction.
Further, as shown in fig. 2, the screw anchor body 1 includes a steel pipe mold 11 having a cylindrical upper end and a tapered lower end, and a weight 12 is filled in the steel pipe mold 11. In this embodiment, the counterweight 12 filled in the steel pipe mold 11 is concrete, soil, and construction waste, that is, the materials such as the soil and the construction waste are placed in the steel pipe mold 11 and cast into a whole by the concrete; the outer wall of the steel pipe die 11 is welded with blades 13 which are arranged in a spiral shape.
Further, as shown in fig. 3, the force transmission device 3 includes a force transmission member 31 and a positioning rod 32, the force transmission member 31 is fixedly connected to the upper end of the spiral anchor body 1, and the positioning rod 32 is positioned in cooperation with the construction rotator 2. More specifically, the force transmission member 31 is a steel pipe which is an inverted U-shaped whole, and includes a first vertical pipe, a second vertical pipe and a horizontal pipe connecting the first vertical pipe and the second vertical pipe, a positioning rod 32 arranged in the vertical direction is welded at the middle position of the horizontal pipe, and the first vertical pipe and the second vertical pipe are inserted into and fixed to the inside of the steel pipe die 11.
Furthermore, a cable 4 is connected to the first riser or the second riser, and the other end of the cable 4 is fixed to the floating system. I.e. the force transfer device is also used as a cable fixing device. The dowel bar device can bear large load, can transmit the acting force borne by the upper floating system to the spiral anchor foundation without damage after being connected with the mooring rope 4, and has multiple functions and can save the manufacturing cost. The upper floating system can be floating structures on water, such as a floating dock, a floating pontoon, a floating photovoltaic array and the like.
Further, as shown in fig. 4, 5, and 6, the construction rotator 2 includes a steel pipe 21 arranged in a vertical direction, an upper sealing plate 22 is disposed on the top end of the steel pipe 21, a threaded rod 23 connected to the construction machine is disposed in the middle of the upper sealing plate 22, a first lower sealing plate 24 and a second lower sealing plate 25 are sequentially disposed at the bottom end of the steel pipe 21 from bottom to top, a gap is left between the first lower sealing plate 24 and the second lower sealing plate 25, a notch 241 for passing a force transferring member is disposed on the first lower sealing plate 24, and a positioning hole 251 matched with the positioning rod 32 is disposed at the center of the second lower sealing plate 25. During assembly, the force transmission piece 31 and the force transmission rod 32 are inserted into the steel tube 21 through the notch 241 of the first lower sealing plate 24, and then the positioning rod 32 is inserted into the positioning hole 251 to be positioned.
The utility model discloses a theory of operation and working process as follows:
the force transmitted to the underwater spiral anchoring foundation by the water surface floating system is horizontal pulling force and uplifting force, the spiral anchor body adopts a steel pipe die, the inside of the steel pipe die is filled with a counterweight, the outer wall of the steel pipe die is welded with a spiral blade, and the lower end of the steel pipe die is in a conical shape and is used for breaking soil. The top of spiral anchor body sets up force transfer device, and force transfer device is the hawser fixing device concurrently, and force transfer device's top is equipped with the locating lever with construction circulator cooperation location, makes things convenient for the construction location. The utility model discloses a construction circulator is connected with the rotatory machinery of construction, and is rotatory to pond bottom soil with the spiral anchor construction. After the floating structure rotates to the position under the soil, the blade, the spiral anchor body and the soil interact with each other, and the weight of the pile top soil is used for providing the horizontal pulling force and the uplifting force required by the fixed water surface floating structure.
The beneficial effects of the utility model reside in that: 1) the spiral anchor body is set to be in a short and thick structure, and only one group of spiral blades are arranged, so that a connecting bearing platform of the original structure is omitted, and the spiral anchor body is simpler and easier to manufacture; 2) the counterweight inside the spiral anchor body can be concrete, soil and construction waste, so that the construction cost is saved; 3) the bottom of screw anchor body adopts the toper structure, and the during operation pierces through soil more easily, 4) the setting of construction circulator for the construction operation is more convenient, has improved the efficiency of construction greatly.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (5)
1. An underwater screw anchor basis which characterized in that: the construction device comprises a short and thick spiral anchor body (1), a construction rotator (2) for driving the spiral anchor body (1) to rotate into bottom soil of a pond and a force transmission device (3) for connecting the spiral anchor body (1) and the construction rotator (2); the spiral anchor body (1) comprises a steel pipe die (11) with a cylindrical upper end and a conical bottom end, a counterweight (12) is filled in the steel pipe die (11), and blades (13) which are spirally arranged are welded on the outer wall of the steel pipe die (11); the force transmission device (3) comprises a force transmission piece (31) and a positioning rod (32), the force transmission piece (31) is fixedly connected with the upper end of the spiral anchor body (1), and the positioning rod (32) is matched and positioned with the construction rotator (2).
2. An underwater screw anchoring foundation as claimed in claim 1, wherein: the force transmission piece (31) is a steel pipe which is integrally in an inverted U shape and comprises a first vertical pipe, a second vertical pipe and a transverse pipe connected with the first vertical pipe and the second vertical pipe, a positioning rod (32) arranged in the vertical direction is welded in the middle of the transverse pipe, and the first vertical pipe and the second vertical pipe are inserted into and fixed on the steel pipe die (11).
3. The underwater screw anchoring foundation of claim 2, wherein: and a cable (4) is connected to the first vertical pipe or the second vertical pipe, and the other end of the cable (4) is fixed with the floating system.
4. An underwater screw anchoring foundation as claimed in claim 1, wherein: construction circulator (2) include steel pipe (21) that vertical direction arranged, the top of steel pipe (21) is equipped with shrouding (22), and the intermediate position of going up shrouding (22) is equipped with threaded rod (23) that link to each other with construction machinery, the bottom of steel pipe (21) is equipped with shrouding (25) under first shrouding (24) and the second in proper order from bottom to top, leave the clearance under first shrouding (24) and the second between shrouding (25), first shrouding (24) down on be equipped with notch (241) that supply to pass through power piece, the center department of shrouding (25) is equipped with locating lever (32) matched with locating hole (251) under the second.
5. An underwater screw anchoring foundation as claimed in claim 1, wherein: the weight (12) filled in the steel pipe die (11) is concrete, soil or construction waste.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921146332.5U CN211171949U (en) | 2019-07-19 | 2019-07-19 | Underwater screw anchoring foundation |
Applications Claiming Priority (1)
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CN201921146332.5U CN211171949U (en) | 2019-07-19 | 2019-07-19 | Underwater screw anchoring foundation |
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CN211171949U true CN211171949U (en) | 2020-08-04 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113863361A (en) * | 2021-09-16 | 2021-12-31 | 中铁第五勘察设计院集团有限公司 | Underwater spiral anchor foundation, construction equipment and anchoring method |
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2019
- 2019-07-19 CN CN201921146332.5U patent/CN211171949U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113863361A (en) * | 2021-09-16 | 2021-12-31 | 中铁第五勘察设计院集团有限公司 | Underwater spiral anchor foundation, construction equipment and anchoring method |
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