CN214460358U

CN214460358U - Positioning and connecting structure of steel pipe pile and cast-in-place pile

Info

Publication number: CN214460358U
Application number: CN202120647695.8U
Authority: CN
Inventors: 卞德晨; 刘其杰; 王豪
Original assignee: China State Construction Port Engineering Group Co Ltd
Current assignee: China State Construction Port Engineering Group Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-22
Anticipated expiration: 2031-03-30

Abstract

The utility model provides a steel-pipe pile and bored concrete pile's location connection structure, relates to building construction equipment technical field, protects a section of thick bamboo at drill way fixed mounting in stake hole, protect a section of thick bamboo and stake hole coaxial arrangement protect a section of thick bamboo upper end and install locating component, locating component with protect a section of thick bamboo coaxial arrangement, the last first setting element and the second setting element of being provided with of locating component, the last port at the steel-pipe pile is installed to first setting element, the tip at the steel reinforcement cage is installed to the second setting element, first setting element with the second setting element all with it is coaxial to protect a section of thick bamboo. This novel axiality that can effective control stake hole, steel reinforcement cage and steel-pipe pile.

Description

Positioning and connecting structure of steel pipe pile and cast-in-place pile

Technical Field

The utility model relates to a construction equipment technical field, concretely relates to steel-pipe pile and bored concrete pile's location connection structure.

Background

The bored pile drills a pile hole in foundation soil, places a reinforcement cage in the pile hole for positioning, and finally pours the pile made of concrete, has the characteristics of wide application range and good bearing effect, and the construction process is also very mature; however, the construction process of the cast-in-situ bored pile is complex and has long construction period, and the larger the bearing capacity is, the larger the diameter of the pile is, and the aesthetic property is insufficient. The steel pipe pile is continuously hammered and sunk by using a vibration hammer pile machine and is inserted into the soil, and has the characteristics of small size, simple installation and good bearing capacity; however, in the construction process, the vibration hammer pile machine has the disadvantages of high noise, strong vibration sense, high steel consumption and high cost. Based on the conditions of the two pile foundations, after the conditions of a construction site and various factors are integrated, a construction mode of combining the steel pipe pile and the cast-in-situ bored pile is sometimes adopted, so that the advantages of the steel pipe pile and the cast-in-situ bored pile are combined, and the defects of the steel pipe pile and the cast-in-situ bored pile can be overcome; during construction, firstly, a pile hole is drilled in a foundation, a reinforcement cage is placed in the pile hole, a steel pipe pile is placed in the reinforcement cage, then concrete is poured, in the concrete pouring process, the reinforcement cage in the pile hole and the steel pipe pile are easy to float upwards, the coaxiality of the pile hole, the reinforcement cage and the steel pipe pile cannot be guaranteed, and the pouring quality cannot be guaranteed.

Disclosure of Invention

In order to solve the problems of the prior art, the utility model provides a steel-pipe pile and bored concrete pile's location connection structure can effectively control the axiality in stake hole, steel reinforcement cage and steel-pipe pile.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a steel-pipe pile and bored concrete pile's location connection structure, protects a section of thick bamboo at drill way fixed mounting in the stake hole, protect a section of thick bamboo and stake hole coaxial arrangement protect a section of thick bamboo upper end and install locating component, locating component with protect a section of thick bamboo coaxial arrangement, the last first setting element and the second setting element of being provided with of locating component, the last port at the steel-pipe pile is installed to first setting element, the tip at the steel reinforcement cage is installed to the second setting element, first setting element with the second setting element all with it is coaxial to protect a section of thick bamboo.

Preferably, the positioning assembly comprises an upper supporting seat, the excircle of the upper supporting seat is a flange plate, and the flange plate is fixedly connected with the upper end face of the casing through a bolt; the first positioning piece and the second positioning piece are fixedly arranged at the lower end of the upper supporting seat.

Preferably, the first positioning piece is a positioning ring, the positioning ring is mounted at the lower end of the upper support seat, a spigot is arranged at the excircle of the lower end of the positioning ring, and the spigot is used for being buckled at the upper port of the steel pipe pile; the second setting element is the at least three reference column of circumference equipartition, and is three the virtual cylinder that the reference column formed with the holding ring is with the axle center, the reference column is installed go up the lower extreme of propping the seat, every the reference column is provided with the clamp plate along the outside of radial direction, the lower extreme of clamp plate with form right angle shape draw-in groove between the reference column, the draw-in groove buckle is in on the last port of steel reinforcement cage.

Preferably, the upper supporting seat comprises a plurality of connecting rods arranged in a radial mode, the outer ends of the connecting rods are fixed to the inner side of the flange plate, the inner ends of the connecting rods are fixed to the outer circle of the upper end of the positioning ring, and the upper end of the first positioning piece is fixedly installed at the lower end of the connecting rods.

Preferably, the lower end of the casing is anchored to the ground through an anchor rod.

The utility model discloses an operation principle and beneficial effect do: after the pile hole is drilled, a steel reinforcement cage and a steel pipe pile are placed, a positioning assembly is installed at the upper end of a pile casing, the upper end of the steel pipe pile is clamped at a spigot of a positioning ring and pressed downwards for fixation, the upper end of the steel reinforcement cage is clamped in a clamping groove formed between the positioning column and a pressing plate and pressed downwards for fixation, and the pile hole, the steel pipe pile and the steel reinforcement cage are coaxially fixed due to the coaxial arrangement among a virtual cylinder formed by the pile casing, the positioning ring and the positioning column; in addition, tang and draw-in groove are for pushing down fixed structure, so can also prevent steel-pipe pile and steel reinforcement cage at the in-process come-up that fills.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the embodiment of the present invention.

Fig. 2 is a schematic top view of the structure of fig. 1.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

The invention is further described with reference to the following figures and examples.

Examples

The utility model provides a steel-pipe pile and bored concrete pile's location connection structure, protects a section of thick bamboo 4 at a drill way fixed mounting of stake hole 1, the lower extreme that protects a section of thick bamboo 4 passes through 8 anchors of stock subaerial, protect a 4 and stake hole 1 coaxial arrangement protect 4 upper ends of a section of thick bamboo and install locating component, locating component with protect 4 coaxial arrangement of a section of thick bamboo, last first setting element and the second setting element of being provided with of locating component, the last port at steel-pipe pile 3 is installed to first setting element, the tip at steel reinforcement cage 2 is installed to the second setting element, first setting element with the second setting element all with it is coaxial to protect a 4. The positioning assembly comprises an upper supporting seat 5, the excircle of the upper supporting seat 5 is a flange plate 51, and the flange plate 51 is fixedly connected with the upper end surface of the pile casing 4 through bolts; the first positioning piece and the second positioning piece are both fixedly arranged at the lower end of the upper supporting seat 5.

Further, in this embodiment, the first positioning element is a positioning ring 6, the positioning ring 6 is installed at the lower end of the upper supporting seat 5, a spigot 61 is arranged at an outer circle of the lower end of the positioning ring 6, and the spigot 61 is used for being fastened to an upper port of the steel pipe pile 3; the second setting element is three at least reference column 71 of circumference equipartition, three the virtual cylinder that reference column 71 formed with holding ring 6 is with the axle center, reference column 71 is installed go up the lower extreme that props seat 5, every reference column 71 is provided with clamp plate 72 along the outside of radial direction, the lower extreme of clamp plate 72 with form right angle shape draw-in groove 73 between the reference column 71, draw-in groove 73 buckle is in on the last port of steel reinforcement cage 2. The diameter of the spigot 61 at the lower end of the positioning ring 6 is the same as the inner diameter of the steel pipe pile 3, so that the lower end part of the positioning ring 6 is inserted into the steel pipe pile 3, the spigot 61 is pressed on the port of the steel pipe pile 3, the steel pipe pile 3 can be pressed and positioned, and the coaxiality of the steel pipe pile 3 and the pile hole 1 can be ensured; the positioning columns 71 are uniformly distributed on the circumference, so that the cylindrical surface formed on the outer sides of the positioning columns 71 is equal to the inner diameter of the spiral rib of the reinforcement cage 2, the clamping groove 73 is clamped on the spiral rib at the port of the reinforcement cage 2 and is pressed up and down for positioning, and the coaxiality of the reinforcement cage 2 and the pile hole 1 can be ensured.

Because the upper supporting seat 5 is arranged at the upper end of the pile casing 4, in order to ensure the smooth process of pouring concrete, a space for inserting the water pumping pipe and the grouting pipe is required on the upper supporting seat 5, the upper supporting seat 5 comprises a plurality of connecting rods 52 which are radially arranged, the outer ends of the connecting rods 52 are fixed on the inner side of the flange plate 51, the inner ends of the connecting rods 52 are fixed on the outer circle of the upper end of the positioning ring 6, and the upper end of the first positioning piece is fixedly arranged at the lower end of the connecting rods 52.

The utility model discloses theory of use and beneficial effect of embodiment do: after the pile hole 1 is drilled, the steel reinforcement cage 2 and the steel pipe pile 3 are put down, the positioning assembly is installed at the upper end of the pile casing 4, the upper end of the steel pipe pile 3 is clamped at the spigot 61 of the positioning ring 6 and pressed and fixed up and down, the upper end of the steel reinforcement cage 2 is clamped in the clamping groove 73 formed between the positioning column 71 and the pressing plate 72 and pressed and fixed down, and the pile hole 1, the steel pipe pile 3 and the steel reinforcement cage 2 are coaxially fixed due to the coaxial arrangement among the pile casing 4, the positioning ring 6 and the virtual cylinder formed by the positioning column 71; in addition, the spigot 61 and the clamping groove 73 are of a downward pressing fixed structure, so that the steel pipe pile 3 and the steel reinforcement cage 2 can be prevented from floating upwards in the pouring process.

The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The present invention has been described above with reference to the preferred embodiments, but the scope of protection of the present invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the present invention. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.

Claims

1. The utility model provides a steel-pipe pile and bored concrete pile's location connection structure, its characterized in that protects a section of thick bamboo (4) at drill way fixed mounting of stake hole (1), protect a section of thick bamboo (4) and stake hole (1) coaxial arrangement protect a section of thick bamboo (4) upper end and install locating component, locating component with protect a section of thick bamboo (4) coaxial arrangement, locating component is last to be provided with first setting element and second setting element, the last port at steel-pipe pile (3) is installed to first setting element, the tip at steel reinforcement cage (2) is installed to the second setting element, first setting element with the second setting element all with it is coaxial to protect a section of thick bamboo (4).

2. The positioning and connecting structure of the steel pipe pile and the cast-in-place pile according to claim 1, wherein the positioning assembly comprises an upper supporting seat (5), the outer circle of the upper supporting seat (5) is a flange (51), and the flange (51) is fixedly connected with the upper end face of the casing (4) through a bolt; the first positioning piece and the second positioning piece are both fixedly arranged at the lower end of the upper supporting seat (5).

3. The positioning and connecting structure of the steel pipe pile and the cast-in-place pile according to claim 2, wherein the first positioning element is a positioning ring (6), the positioning ring (6) is installed at the lower end of the upper supporting seat (5), a spigot (61) is arranged at the outer circle of the lower end of the positioning ring (6), and the spigot (61) is used for being buckled at the upper port of the steel pipe pile (3); the second setting element is three at least reference column (71) of circumference equipartition, and is three the virtual cylinder that reference column (71) formed with holding ring (6) are coaxial, reference column (71) are installed on prop the lower extreme of seat (5), every reference column (71) are provided with clamp plate (72) along the outside of radial direction, the lower extreme of clamp plate (72) with form right angle shape draw-in groove (73) between reference column (71), draw-in groove (73) buckle is in on the last port of steel reinforcement cage (2).

4. The steel pipe pile and cast-in-place pile positioning and connecting structure according to claim 3, wherein the upper supporting seat (5) comprises a plurality of radially arranged connecting rods (52), the outer ends of the connecting rods (52) are fixed on the inner side of the flange (51), the inner ends of the connecting rods (52) are fixed on the outer circle of the upper end of the positioning ring (6), and the upper end of the first positioning member is fixedly arranged at the lower end of the connecting rods (52).

5. The structure for positioning and connecting a steel pipe pile and a cast-in-place pile according to claim 4, wherein the lower end of the casing (4) is anchored to the ground by an anchor rod (8).