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Fully assembled self expanding pressure bearing variable diameter reinforcement cage enlarged head anchor pile system

Source:This station popularity:282 Published on:2021-12-09 17:33:42

The utility model relates to a fully assembled self expanding pressure bearing variable diameter reinforcement cage enlarged head anchor pile system, which comprises a variable diameter reinforcement cage, a reinforcement connector, an anchor rod and a limiter limit nut. The limit nut can be an open or closed structure, and the variable diameter reinforcement cage is limited on the anchor rod by the limit nut and the bottom plate anchor nut (limited position); The anchor rod adopts finish rolled or ordinary threaded reinforcement, and the reinforcement connector is used for the length connection of the end of the anchor rod reinforcement; Anchor the anchor rod * part with the bottom plate, anchor the bottom of the anchor rod with the expanded head reinforcement cage, that is, anchor the variable diameter reinforcement cage; The variable diameter reinforcement cage is provided with a restraint and release device, and the crystalline part of concrete or cement mortar is combined with the enlarged head variable diameter reinforcement cage and axial rod to form a variable diameter reinforcement cage enlarged head anchor pile system; The skeleton system of anchor pile with enlarged head of variable diameter reinforcement cage is fully assembled.

1. The utility model relates to a fully assembled self expanding pressure bearing variable diameter reinforcement cage enlarged head anchor pile system, which is characterized in that it comprises a variable diameter reinforcement cage 15, and the variable diameter reinforcement cage is provided with a restraint and release device; Anchor rod 3; Reinforcement connector and limiter 5 limit nut. The limit nut can be open or closed structure. The variable diameter reinforcement cage and axial rod in the enlarged head are fixed on the anchor rod by the limit nut; The anchor rod adopts finish rolled threaded reinforcement, other grades of reinforcement, various prestressed pull rods, etc. the reinforcement connector is used for the length connection of the anchor rod; The anchor rod * part is anchored with the bottom plate, and the bottom of the anchor rod is locked and anchored with the expanded head reinforcement cage, that is, the variable diameter reinforcement cage; The enlarged head variable diameter reinforcement cage, anchor rod and anchor are combined with concrete, cement mortar or cement slurry crystal to form the enlarged head anchor pile system of variable diameter reinforcement cage into pile; The skeleton system of anchor pile with enlarged head of variable diameter reinforcement cage is fully assembled.

2. The variable diameter reinforcement cage enlarged head anchor pile system according to claim 1, which is characterized in that the diameter of the reinforcement cage is variable. Through the elasticity, flexibility and simplification of the reinforcement of the reinforcement cage part, the restraint and release mechanism is set, so that the diameter of the reinforcement cage can be restrained and extended. The enlarged head reinforcement cage, i.e. the variable diameter reinforcement cage, includes the main reinforcement, stirrup and reinforcement materials, i.e. including axial rod, ring flower or ring plate and several vertical bars, several reinforcement bars and ring fixers, the ring or ring plate and pressure bearing bottom plate are perpendicular to the axial rod, several vertical bars surround the axial rod, and several vertical bars are uniformly restrained and fixed around the edge of the ring flower or ring plate and pressure bearing bottom plate, The other end or middle part of each vertical bar is flexibly connected with one end of a bar, the other end of the bar is flexibly connected to the ring fixer or ring flower, and the ring fixer or ring flower is fixed or sliding on the axial rod to form the flexible mechanism of the reinforcement cage; The variable diameter reinforcement cage is equipped with restraint and release devices. Restraint methods including but not limited to restraint rope, restraint lock, restraint pin, restraint cover, electronic lock and so on are adopted to make the reinforcement cage diameter in the reduced restraint state, including but not limited to release spring, spring sheet, elastic ball, air bag, counterweight, rotation, axial dry expansion, external force application, electric Electronic remote control and other means to expand and release, or simplify and replace the flexible mechanism to make the diameter of the reinforcement cage variable. The variable diameter reinforcement cage can form a variety of three-dimensional geometric shapes with different characteristics, such as cylinder, cone, cuboid, slubby body, multi slubby body and so on.

3. The variable diameter reinforcement cage enlarged head anchor pile system according to claim 1, which is characterized by:, The upper end of the anchor rod is anchored with three sets of high-strength nuts (high-strength nuts, anchor plates and spiral springs), two-way or multi-way high-strength nuts, flange nut anchorage, flange nut plus well shaped reinforcement mesh composite structure or other traditional anchoring methods with the bottom plate, purlin and beam.

4. The variable diameter reinforcement cage enlarged head anchor pile system according to claim 3, which is characterized in that the periphery of several vertical bars of the variable diameter reinforcement cage is provided with flexible connected elastic stirrups; Release the variable diameter reinforcement cage by releasing the elastic stirrup.

5. The variable diameter reinforcement cage enlarged head anchor pile system according to one of claims 1-4, which is characterized in that the stirrup around the variable diameter reinforcement cage can be grid, and the outer circumference can be wrapped, provided with * * *, protective cover, guide centering support, or equipped with pulley (plate).

6. The variable diameter reinforcement cage enlarged head anchor pile system according to one of claims 1-4, which is characterized in that the front end of the anchor rod is provided with a device connected or combined with the variable diameter reinforcement cage, fixed diameter reinforcement cage, * * * or other anchor heads to form an anchor pile application system.

7. The variable diameter reinforcement cage enlarged head anchor pile system according to one of claims 1-4, which is characterized in that the number of anchor rods, One or several finishing rolled high-strength deformed bars (or ordinary deformed bars) are adopted, or further variable diameter reinforcement cage enlarged head short pile is combined with traditional cast-in-place pile, precast pile, steel pile and bamboo pile to form a pile with composite function of both resistance and compression.

8. The variable diameter reinforcement cage enlarged head anchor pile system according to one of claims 1-4, which is characterized in that each component of the reinforcement skeleton in the variable diameter reinforcement cage enlarged head anchor pile system is fabricated; When the anchor rod is connected with the variable diameter reinforcement cage, fixed diameter reinforcement cage, * * * or other anchor heads, the reinforcement corresponding to the length of the variable diameter reinforcement cage, fixed diameter reinforcement cage, * * * or other anchor heads shall be reserved at the lower end of the anchor rod, and the anchor pad plate shall be connected at the bottom of the anchor head, or an appropriate reinforcement length shall be reserved, It is connected with the finished bolt head * with the connecting nut; Or by improving the rod and anchor head, the anchor rod, variable diameter reinforcement cage, fixed diameter reinforcement cage and * * * become an organic whole.

9. The variable diameter reinforcement cage enlarged head anchor pile system according to one of claims 1-4 can be provided with a grouting pipe in the variable diameter reinforcement cage or an external grouting pipe as required. The variable diameter reinforcement cage enlarged head anchor pile skeleton system is wrapped with concrete, cement slurry or cement mortar and condensed to form a pile.

10. The variable diameter reinforcement cage enlarged head anchor pile system according to one of claims 1-4 is characterized in that the whole process and main node dynamic and traceable detection can be carried out for its underground state, engineering safety performance, quality status, etc. through scientific methods, so as to ensure the safety and stability of the pile foundation.

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