Quick connecting piece for concrete pipe piles

Abstract

The utility model discloses a concrete pipe pile quick connecting piece, the end part of the concrete pipe pile is provided with an end plate, the end plate is provided with a plurality of threaded connecting rods, the connecting piece comprises a connecting pipe and a butt-joint pipe, the butt-joint pipe corresponds to the threaded connecting rods, one end of the butt-joint pipe is provided with internal threads matched with the threaded connecting rods, and the other end of the butt-joint pipe is provided with external threads matched with the threaded connecting rods. The other end of the connecting pipe is fixedly connected with a hexagon nut part, the hexagon nut part is provided with six side planes, each side plane is provided with a threaded through hole, two layers of side holes are formed in the circumferential face of the connecting pipe, each layer of side holes comprises a plurality of side holes, each side hole corresponds to one butt-joint pipe, a side screw is inserted into each side hole, and the butt-joint pipes are connected with the side screws. And the side screw rod is inserted into one threaded through hole in the corresponding butt joint pipe and is in threaded connection with the hexagon nut part. According to the novel concrete pipe pile rapid connecting structure, the mode of laterally locking the bolts is adopted, the installation operation space is enlarged, and the anti-shearing capacity of the connecting position of the concrete pipe piles is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of pipe pile connecting piece, concretely relates to concrete pipe pile quick connecting piece. BACKGROUND

[0002] Concrete pipe piles are prefabricated in factories and can be directly pulled to construction sites for piling installation. Concrete pipe piles can be connected, extended or fixed on a base through connecting pieces. Existing pipe pile connecting pieces are generally composed of multiple tubular connecting units, each tubular connecting unit includes a main body, an upper connecting pipe rotatably connected to the upper end of the main body, and a lower connecting pipe rotatably connected to the lower end of the main body. The upper connecting pipe is threadedly connected to a threaded connecting rod on the end plate of a concrete pipe pile, and the lower connecting pipe is threadedly connected to a threaded connecting rod on the end plate of the next concrete pipe pile. This connecting piece needs to rotate multiple nuts in a narrow operating space, which is time-consuming and laborious. The connecting piece axially connects the pipe piles, and the shear resistance at the connection is poor, requiring high structural strength of the connecting piece itself. SUMMARY

[0003] To solve the above technical problems, the utility model adopts the technical scheme of a concrete pipe pile quick connecting piece. The end of the concrete pipe pile is provided with an end plate, and the end plate is provided with a plurality of threaded connecting rods. The connecting piece includes a connecting pipe and a butt pipe. The butt pipe corresponds to the threaded connecting rods. One end of the butt pipe is provided with an internal thread matched with the threaded connecting rods, and the other end is fixedly connected with a hexagonal nut part. The hexagonal nut part has six side planes. Each side plane is provided with a threaded hole. The circumferential surface of the connecting pipe is provided with two layers of side holes. Each layer of side holes includes a plurality of side holes, each corresponding to a butt pipe. A side screw rod is inserted into each side hole and threadedly connected with the hexagonal nut part.

[0004] As a preferred technical scheme of the above, a limiting nut is threadedly connected to the threaded connecting rod.

[0005] As a preferred technical scheme of the above, a reinforcing plate is fixedly connected to the middle part of the connecting pipe, and the reinforcing plate is located between the two layers of side holes.

[0006] As a preferred technical scheme of the above, a positioning plate is further included. The positioning plate is provided with a plurality of hexagonal positioning holes corresponding to the hexagonal nut parts. The hexagonal nut parts are respectively inserted into the corresponding hexagonal positioning holes.

[0007] As a preferred technical scheme of the above, the positioning plate is made of plastic.

[0008] As a preferred technical scheme of the above, the outer diameter of the connecting pipe is equal to the outer diameter of the end plate. The circumferential surface of the connecting pipe is provided with a plurality of counterbores corresponding to the side holes. The counterbores are in communication with the corresponding side holes.

[0009] As the preferred technical scheme, the connecting pipe, the butt pipe and the side screw rod are made of metal.

[0010] The utility model discloses a novel concrete pipe pile quick connecting structure adopts the mode of lateral locking bolt, improves the installation operation space, improves the shear capacity of concrete pipe pile connecting place. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the structural schematic diagram of the utility model;

[0012] Fig. 2 It is the sectional structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0013] The technical scheme of the utility model will be described clearly and completely below in combination with the drawings, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor all belong to the protection scope of the utility model.

[0014] In the description of the utility model, it is necessary to explain that the orientation or position relation of the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it can not be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the description purpose, and can not be understood as indicative or implied relative importance.

[0015] In the description of the utility model, it is necessary to explain that unless another explicit provision and limitation, the terms "installation", "connection", "connection" should be understood broadly, for example, can be fixed connection, can be detachable connection, or integrally connected, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through the intermediate medium, can be the communication of two elements inside. For the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0016] As Figs. 1-2As shown, the concrete pipe pile quick connector, the end of the concrete pipe pile is provided with an end plate 1, the end plate 1 is provided with a plurality of threaded connecting rods 2, the connector includes a connecting pipe 3, a butt pipe 4, the butt pipe 4 corresponds to the threaded connecting rod 2, one end of the butt pipe 4 is provided with an inner thread matched with the threaded connecting rod 2, the other end is fixedly connected with a hexagonal nut part 5, the hexagonal nut part 5 has six side planes, each side plane is provided with a threaded hole 6, the circumference of the connecting pipe 3 is provided with two layers of side holes 7, each layer of side holes 7 includes a plurality of side holes 7, each side hole 7 corresponds to one butt pipe 4, a side screw rod 12 is inserted into the side hole 7, the side screw rod 12 is inserted into one of the threaded holes 6 on the corresponding butt pipe 4 and is threadedly connected with the hexagonal nut part 5. When in use, the butt pipe 4 is threadedly connected with the threaded connecting rod 2 respectively, the angle of the hexagonal nut part 5 on the butt pipe 4 is adjusted, so that the threaded hole 6 on one of the side planes corresponds to the corresponding side hole 7. Then the side screw rod 12 is inserted into the side hole 7 and screwed into the threaded hole 6. After the side screw rod 12 is inserted into all the side holes 7, the upper and lower concrete pipe piles are connected quickly.

[0017] Further, the threaded connecting rod 2 is threadedly connected with a limiting nut 8. The limiting nut 8 limits the position of the butt pipe 4, facilitating the adjustment of the height of the butt pipe 4.

[0018] Further, the middle part of the connecting pipe 3 is fixedly connected with a reinforcing plate 9, and the reinforcing plate 9 is located between the two layers of side holes 7. The reinforcing plate 9 improves the structural strength of the connecting pipe 3.

[0019] Further, the positioning plate 10 is further included, the positioning plate 10 is provided with a plurality of hexagonal positioning holes, the hexagonal positioning holes correspond to the hexagonal nut part 5, and the hexagonal nut part 5 is respectively clamped into the corresponding hexagonal positioning hole. The positioning plate 10 forms a positioning effect on the hexagonal nut part 5, facilitating the butt joint of the side screw rod 12 and the threaded hole 6. In order to more conveniently butt joint the side screw rod 12 and the threaded hole 6, the hexagonal nut part 5 and the butt pipe 4 can be rotatably connected.

[0020] Further, the positioning plate 10 is made of plastic.

[0021] Further, the outer diameter of the connecting pipe 3 is equal to the outer diameter of the end plate 1, the circumference of the connecting pipe 3 is provided with a plurality of counterbores 11, the counterbores 11 correspond to the side holes 7, and the counterbores 11 communicate with the corresponding side holes 7. The counterbores 11 are used for embedding the nuts of the side screw rods 12.

[0022] Further, the connecting pipe 3, the butt pipe 4 and the side screw rod 12 are respectively made of metal. Preferably, the metal is corrosion-resistant and high-hardness.

[0023] It is worth mentioning that the technical features of the concrete pipe pile and the like involved in the utility model patent application should be regarded as the prior art, the specific structure, working principle and possible control mode and spatial arrangement mode of these technical features can be selected by using the conventional selection in the field, and should not be regarded as the invention point of the utility model patent, and the utility model patent will not be further specifically expanded and described in detail.

[0024] The preferred embodiments of the utility model are described in detail above, and it should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the utility model, therefore, all the technical solutions obtained by logical analysis, reasoning or limited experiments on the basis of the prior art according to the concept of the utility model by those skilled in the art should be within the protection scope determined by the claims.

Claims

1. A fast connecting piece of concrete pipe pile, the end of the concrete pipe pile is provided with an end plate, and the end plate is provided with a plurality of threaded connecting rods, characterized in that, The connecting piece comprises a connecting pipe and a butt pipe, the butt pipe corresponds to the threaded connecting rod, one end of the butt pipe is provided with an inner thread matched with the threaded connecting rod, the other end is fixedly connected with a hexagonal nut part, the hexagonal nut part has six side planes, each side plane is provided with a threaded hole, the circumference of the connecting pipe is provided with two layers of side holes, each layer of side holes comprises a plurality of side holes, each side hole corresponds to one butt pipe, a side screw rod is inserted into the side hole, the side screw rod is inserted into one of the threaded holes of the corresponding butt pipe and is threadedly connected with the hexagonal nut part.

2. The quick coupler for concrete pipe piles according to claim 1, wherein, The threaded connecting rod is threadedly connected with a limiting nut.

3. The quick coupler for concrete pipe piles according to claim 1, wherein The middle part of the connecting pipe is fixedly connected with a reinforcing plate, and the reinforcing plate is located between the two layers of side holes.

4. The quick coupler for concrete pipe piles according to claim 1, wherein The connecting piece further comprises a positioning plate, the positioning plate is provided with a plurality of hexagonal positioning holes, the hexagonal positioning holes correspond to the hexagonal nut parts, and the hexagonal nut parts are respectively clamped into the corresponding hexagonal positioning holes.

5. The quick coupler for concrete pipe piles according to claim 4, wherein The positioning plate is made of plastic.

6. The quick coupler for concrete pipe piles according to claim 1, wherein, The outer diameter of the connecting pipe is equal to the outer diameter of the end plate, the circumference of the connecting pipe is provided with a plurality of counterbores, the counterbores correspond to the side holes, and the counterbores are communicated with the corresponding side holes.

7. The quick coupler for concrete pipe piles according to claim 1, wherein The connecting pipe, the butt pipe and the side screw rod are respectively made of metal.

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