Alloy steel pipe pile head suitable for frozen earth area

Abstract

The alloy steel pipe pile head suitable for the frozen earth area comprises a pipe pile and an alloy steel pipe pile head body, a pipe hoop is assembled at the top end of the alloy steel pipe pile head body, and the pipe hoop is connected to the lower end of the pipe pile in a sleeved mode. A drilling cavity is formed in the alloy steel pipe pile head, and a driving cavity is formed in the top end in the drilling cavity; an electric push rod is assembled in the driving cavity, a motor is assembled in the drilling cavity, and the top end of the motor is connected with the electric push rod; drill bits are assembled at the driving ends of the motors. Fastening plates are mounted at the two ends of an opening of the pipe hoop, and U-shaped grooves are formed in the side walls of the fastening plates; according to the alloy steel pipe pile head suitable for the frozen soil area, the soil drilling depth can be adjusted according to the depth of frozen soil, the uplift bearing capacity and frost heaving resistance of a pile can be effectively improved, the structure is simple and effective, the design is reliable, and the application problem of a steel pipe pile in the frozen soil area can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to alloy steel pipe pile head technical field, concretely is alloy steel pipe pile head suitable for frozen soil area. BACKGROUND

[0002] The photovoltaic power station utilizes solar light energy to generate electricity, can deliver electric power to the power grid, with people pay more and more attention to environmental protection, photovoltaic power generation as one of green energy, its application is increasingly widespread, the construction and scale of photovoltaic power station are more and more, with the development of society, the demand of people to the quality of life is higher and higher, the photovoltaic power station is gradually applied to the people's life, and the photovoltaic power station is gradually applied to the people's life.

[0003] Solar power generation technology is a new type of sustainable, environmental protection and pollution-free new energy technology, and its application range is wide. China is a leading country in solar technology, and pursues green environmental protection and low carbon emission. In some permafrost regions, with the occurrence of frost heaving, the photovoltaic support foundation will be raised, the foundation bearing capacity will be reduced, and the upper structure will be damaged due to displacement, so the existing technology needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a kind of alloy steel pipe pile heads suitable for frozen soil area, to solve the problem raised in above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of alloy steel pipe pile heads suitable for frozen soil area, including pipe pile and alloy steel pipe pile head, the top of the alloy steel pipe pile head is equipped with pipe hoop, the pipe hoop is sleeved in the lower end of pipe pile;

[0006] Drill cavity is set in the inside of the alloy steel pipe pile head, drive cavity is set in the inside top of the drill cavity;

[0007] Electric push rod is equipped in the inside of the drive cavity, motor is equipped in the inside of the drill cavity, the top of the motor is connected electric push rod;

[0008] The drive end of the motor is equipped with drill bit;

[0009] Fastening plate is mounted at both ends of the opening of the pipe hoop, U-shaped groove is set in the side wall of the fastening plate;

[0010] Screw is equipped in the inside of the U-shaped groove, the screw passes through U-shaped groove, nut is screwed on the outer wall of the fastening plate outside the screw.

[0011] As preferred in the utility model, a circular groove is set on the internal thread on the nut, a circular piece is placed in the circular groove, a threaded hole is set on the circular piece, and the screw is sleeved in the threaded hole.

[0012] As the preferred of the utility model, the circular groove is provided with a clamping groove, the circular member is provided with a clamping block, and the clamping block is clamped in the clamping groove.

[0013] As the preferred of the utility model, the rubber block is arranged between the rubber pad a and the rubber pad b.

[0014] As the preferred of the utility model, the outer wall of the nut is uniformly and equidistantly provided with anti-skid grooves along the axis.

[0015] As the preferred of the utility model, the inner wall of the pipe clamp is provided with a limiting groove, the outer wall of the pipe pile is provided with a limiting block, and the limiting block is arranged in the limiting groove.

[0016] As the preferred of the utility model, the bottom end of the alloy steel pipe pile head is provided with an inclined taper block.

[0017] Compared with the prior art, the alloy steel pipe pile head suitable for permafrost regions has the advantages that the structure design is reasonable,

[0018] The alloy steel pipe pile head and the pipe pile are connected through the pipe clamp, a drill bit is arranged in the alloy steel pipe pile head, the soil drilling depth can be adjusted according to the depth of the permafrost, the pile pulling resistance and the frost heaving resistance can be effectively improved, the structure is simple and effective, the design is reliable, and the problem that the steel pipe pile is applied in the permafrost region can be solved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a structural schematic view of the utility model alloy steel pipe pile head;

[0021] Figure 3 It is a bolt schematic view of the utility model;

[0022] Figure 4 It is a structural schematic view of the utility model A.

[0023] In the drawing: 1, pipe pile; 2, alloy steel pipe pile head; 3, pipe clamp; 4, limiting groove; 5, limiting block; 6, fastening plate; 7, U-shaped groove; 8, nut; 9, inclined taper block; 10, driving cavity; 11, electric push rod; 12, motor; 13, drill cavity; 14, drill bit; 15, circular groove; 16, circular member; 17, threaded hole; 18, clamping groove; 19, clamping block; 20, bolt; 21, rubber pad b; 22, rubber block; 23, rubber pad a; 24, anti-skid groove; DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] Please refer to Figures 1-4 The present application provides a technical solution:

[0026] In the technical solution, the alloy steel pipe pile head suitable for permafrost regions comprises a pipe pile 1 and an alloy steel pipe pile head 2, the top end of the alloy steel pipe pile head 2 is equipped with a pipe hoop 3, the pipe hoop 3 is sleeved on the lower end of the pipe pile 1, a drill cavity 13 is formed in the inside of the alloy steel pipe pile head 2, a driving cavity 10 is formed in the inside top end of the drill cavity 13, an electric push rod 11 is equipped in the inside of the driving cavity 10, a motor 12 is equipped in the inside of the drill cavity 13, the top end of the motor 12 is connected with the electric push rod 11, a drill bit 14 is equipped at the driving end of the motor 12, fastening plates 6 are installed at both ends of the opening of the pipe hoop 3, U-shaped grooves 7 are formed in the side walls of the fastening plates 6, bolts 20 are equipped in the inside of the U-shaped grooves 7, the bolts 20 pass through the U-shaped grooves 7, nuts 8 are screwed on the outer walls of the fastening plates 6 outside the bolts 20.

[0027] In the technical solution, the alloy steel pipe pile head 2 is installed at the bottom end of the pipe pile 1 through the pipe hoop 3, so that the alloy steel pipe pile head 2 is deeply inserted into the soil, and the drill bit 14 is driven to rotate by the motor 12, which is convenient for drilling in the permafrost regions, the soil can be adjusted deeply by the electric push rod 11, and the pipe hoop 3 is fastened by the relative movement of the two fastening plates 6.

[0028] In some technical solutions, a circular groove 15 is formed in the internal thread of the nut 8, a circular piece 16 is placed in the circular groove 15, a threaded hole 17 is formed in the circular piece 16, and the bolt 20 is sleeved in the threaded hole 17; a clamping groove 18 is formed in the circular groove 15, and a clamping block 19 is installed on the circular piece 16 and clamped in the clamping groove 18.

[0029] In the technical solution, the circular piece 16 is placed in the circular groove 15, and the clamping block 19 is clamped in the clamping groove 18, so that the bolt 20 passes through the U-shaped groove 10 on the pipe hoop 3, the nut 12 is screwed on the bolt 20, the bolt 20 is screwed into the threaded hole 17 on the circular piece 16, and the nut 12 is double-enclosed with the bolt 20.

[0030] In some technical solutions, rubber pads a 23 and rubber pads b 21 are sleeved between the outer part of the bolt 20 and the seat between the fastening plate 6 and the bolt 20, and a rubber block 22 is equipped between the rubber pads a 23 and the rubber pads b 21.

[0031] In this technical solution, the rubber pad a23 and the rubber pad b21 seal the gap between the bolt 20 and the fastening plate 6.

[0032] In some technical solutions, the outer wall of the nut 8 is uniformly and equidistantly provided with anti-skid grooves 24 along the axis thereof;

[0033] In this technical solution, the anti-skid grooves 24 are provided to facilitate the rotation of the nut 9.

[0034] In some technical solutions, the inner wall of the pipe clamp 3 is provided with a limiting groove 4, and the outer wall of the pipe pile 1 is provided with a limiting block 5, which is installed in the limiting groove 4;

[0035] In this technical solution, when the pipe clamp 3 is installed on the pipe pile 1, the limiting block 5 is installed in the limiting groove 4, which can be installed and positioned, and can also improve the fastening.

[0036] In some technical solutions, the bottom end of the alloy steel pipe pile head 2 is provided with an inclined taper block 9;

[0037] In this technical solution, the alloy steel pile head 2 is facilitated to drill into the ground.

[0038] Working principle: in use, first, the alloy steel pipe pile head 2 is installed at the bottom end of the pipe pile 1 through the pipe clamp 3, and then it is drilled into the ground, while drilling, the drill bit 14 is driven to rotate by the motor 12, which facilitates the drilling of the soil in the permafrost region, and while drilling, the drilling depth can be adjusted by controlling the depth of the electric push rod 11.

[0039] It should be noted that in this paper, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0040] Although the utility model has been described above with reference to the embodiments, various modifications can be made to it and equivalent components can be substituted for the components thereof without departing from the scope of the utility model. In particular, the features of the embodiments disclosed by the utility model can be combined with each other in any manner as long as there is no structural conflict, and the combinations of the features are not exhaustively described in the specification only for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An alloy steel pipe pile head suitable for use in permafrost regions, comprising a pipe pile (1) and an alloy steel pipe pile head (2), characterised in that: The top end of the alloy steel pipe pile head (2) is equipped with a pipe clamp (3), which is sleeved on the lower end of the pipe pile (1); The inside of the alloy steel pipe pile head (2) is provided with a drill cavity (13), and the inside of the drill cavity (13) is provided with a driving cavity (10); The inside of the driving cavity (10) is equipped with an electric push rod (11), and the inside of the drill cavity (13) is equipped with a motor (12), and the top end of the motor (12) is connected with the electric push rod (11); The driving end of the motor (12) is equipped with a drill bit (14); The opening of the pipe clamp (3) is provided with a fastening plate (6) at both ends, and the side wall of the fastening plate (6) is provided with a U-shaped groove (7); The inside of the U-shaped groove (7) is equipped with a bolt (20), the bolt (20) passes through the U-shaped groove (7), and the outside of the bolt (20) is screwed with a nut (8) on the outer wall of the fastening plate (6).

2. The alloy steel pile tip suitable for use in frozen ground regions according to claim 1, characterized in that: The inner thread on the nut (8) is provided with a circular groove (15), the circular groove (15) is placed with a circular piece (16), the circular piece (16) is provided with a threaded hole (17), and the bolt (20) is sleeved in the threaded hole (17).

3. The alloy steel pile tip suitable for use in frozen ground regions according to claim 2, characterized in that: The circular groove (15) is provided with a clamping groove (18), and the circular piece (16) is provided with a clamping block (19), which is clamped in the clamping groove (18).

4. The alloy steel pile tip suitable for use in frozen ground regions according to claim 1, characterized in that: The outside of the bolt (20) is sleeved with rubber pad a (23) and rubber pad b (21) between the fastening plate (6) and the seat of the bolt (20), and the rubber pad a (23) and the rubber pad b (21) are equipped with a rubber block (22).

5. The alloy steel pile tip suitable for use in frozen ground regions according to claim 1, characterized in that; The outer wall of the nut (8) is uniformly and equidistantly provided with anti-skid grooves (24) along its axis.

6. The alloy steel pile tip suitable for use in frozen ground regions according to claim 1, characterized in that: The inner wall of the pipe clamp (3) is provided with a limiting groove (4), and the outer wall of the pipe pile (1) is equipped with a limiting block (5), which is installed in the limiting groove (4).

7. The alloy steel pile tip suitable for use in frozen ground regions according to claim 1, characterized in that: The bottom end of the alloy steel pipe pile head (2) is equipped with an inclined conical block (9).

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