AU2017100938A4

AU2017100938A4 - High load-bearing type ground screw

Info

Publication number: AU2017100938A4
Application number: AU2017100938A
Authority: AU
Inventors: Tao Ding; Yanlong JIANG; Yinguang SONG; Xinwei Zhang
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-29
Filing date: 2017-07-07
Publication date: 2017-08-10
Anticipated expiration: 2025-07-07
Also published as: CN205975596U

Abstract

The utility model relates to a ground screw product, specifically to a high load bearing type screw, comprising a tubular pile rod, wherein the front end of the pile rod 5 is provided with a pile tip, the lower ends of the pile tip and the pile rod are provided with a small-size spiral blade, a large-size spiral blade is provided on the pile rod at the upper end of the small-size spiral blade, the small-size spiral blade and the large-size spiral blade are connected continuously at the same pitch, the upper end of the pile rod is provided with a rotary hole at the same pitch, the axis of the rotary hole is 10 perpendicular to the axis of the pile rod, the small-size spiral blade is easy to screw into soil, after the small-size spiral blade is screwed into the soil, the ground screw has a certain grip which makes the large-size spiral blade screwed into the soil together, thereby greatly increasing the bearing force and the anti-pulling force of the ground screw product, and having the advantages of rapid introduction into the soil, accurate 15 positioning, higher anti-compression capacity, high anti-pulling force and the like. Fig. 1

Description

1 2017100938 07 Μ 2017

HIGH LOAD-BEARING TYPE GROUND SCREW

TECHNICAL FIELD OF THE INVENTION 5 [0001] The utility model relates to a construction base, and specifically to a ground screw which is easy to operate, fast in construction and high in bearing capacity.

TECHNICAL BACKGROUND OF THE INVENTION 10 [0002] With the continuous improvement of a ground-screw-type base, for a hut, a street lamp, a shed support, a billboard, a tower and other small ground construction piles, a concrete base has been gradually replaced with a ground-screw-type ground pile base; the ground-screw-type ground pile base is provided with a tubular pile rod; the front end of the pile rod is provided with a pile tip while the rear end of the pile rod is 15 provided with a connecting flange; this kind of ground-screw-type ground pile base is gradually recognized by the society because of its convenient operation mode, environmentally friendly process, short construction period and so on, however; under the soil geological conditions with high sand content, the ground screw has the disadvantages of small load-bearing capacity and difficulty in screwing into soil. 20

SUMMARY OF THE INVENTION

[0003] The utility model aims at overcoming the defects in the prior art, and providing a high load-bearing type ground screw with the advantages of high load-bearing 25 capacity, convenient operation and screwing, and fast construction.

[0004] In order to achieve the above objectives, the utility model adopts the following technical solution: 30 [0005] A high load-bearing type ground screw is provided with a tubular pile rod, wherein the front end of the pile rod is provided with a pile tip, the lower ends of the pile tip and the pile rod are provided with a small-size spiral blade, a large-size spiral blade is provided on the pile rod at the upper end of the small-size spiral blade, the small-size spiral blade and the large-size spiral blade are connected continuously at the 2017100938 07 Μ 2017 2 same pitch, the upper end of the pile rod is provided with a rotating hole at the same pitch, the axis of the rotary hole is perpendicular to the axis of the pile rod, [0006] The size of the blade of the utility model is obtained by the outer diameter of the 5 blade minus the inner diameter of the blade, the small-size spiral blade is easy to screw into soil, the large-size spiral blade has a higher load-bearing force after being screwed into the soil.

[0007] The front end of the pile tip of the utility model is provided with a diamond-10 shaped drill bit to vibrate stones in the soil to improve working efficiency.

[0008] The upper end of the pile rod of the utility model is provided with a spiral-sheet-shaped connecting flange, a spiral sheet of the connecting flange is provided thereon with a connecting hole and connected with the elongated pile rod via bolt connection, the upper end of the elongated pile rod is provided with a flange, the lower end of the 15 elongated pile rod is provided with the spiral-sheet-shaped connecting flange being the same as that on the upper end of the pile pole. The connecting spiral sheet together with a bolt is screwed into the soil, thereby increasing the depth of a pile body in a soil layer, the tightness of the surrounding soil, the friction between the ground screw' and the soil, as well as the pulling force, the load-bearing force and other performances of the ground 20 screw.

[0009] When the utility model is in use, the size of the ground screw is selected according to the soil properties around the base pile and the load-carrying requirements of the base pile, and a rotary rod is inserted into a rotary hole and rotated to be screwed 25 into the soil, the small-size spiral blade is easy to screw into soil, after the small-size spiral blade is screwed into the soil, the ground screw has a certain grip which makes the large-size spiral blade screwed into the soil together, thereby greatly increasing the bearing force and the anti-pulling force of the ground screw product, the double-spiral blade type high load-bearing type ground screw has the advantages of rapid 30 introduction into the soil, accurate positioning, higher anti-compression capacity, high anti-pulling force and the like. 3 2017100938 07 Μ 2017

BRIEF DESCRIPTION OF THE DRAWINGS

[0010] FIG. 1 is a structural diagram of the utility model. 5 [0010] FIG. 2 is another structural diagram of the utility model.

EMBODIMENTS OF THE UTILITY MODEL

[0012] The utility' model is further described in detail below with reference to the 10 following drawings.

[0013] As shown in Fig. 1, a high load-bearing type ground screw is provided with a tubular pile rod 1, wherein the front end of the pile rod 1 is provided with a pile tip 2, the lower ends of the pile tip 1 and the pile rod 2 are provided with a small-size spiral blade 3, a large-size spiral blade 4 is provided on the pile rod 1 at the upper end of the 15 small-size spiral blade, the small-size spiral blade 3 and the large-size spiral blade 4 are connected continuously at the same pitch, the upper end of the pile rod 1 is provided with a rotating hole 5 at the same pitch, the axis of the rotary hole 5 is perpendicular to the axis of the pile rod 1, the size of the blade is obtained by the outer diameter of the blade minus the inner diameter of the blade, the small-size spiral blade can be easily 20 screwed into soil, the large-size spiral blade has a higher load-bearing force after being scre wed into the soil; the front end of the pile tip 2 of the utility model is provided with a diamond-shaped drill bit 6 to vibrate stones in the soil to improve working efficiency, the upper end of the pile rod 1 of the utility model is provid ed with a spiral-sheet-shaped connecting flange 7, a spiral sheet of the connecting flange 7 is provided thereon with 25 a connecting hole and connected with the elongated pile rod via bolt connection, the upper end of the elongated pile rod is provided with a flange, the lower end of the elongated pile rod is provided with the spiral-sheet-shaped connecting flange being the same as that on the upper end of the pile pole. The connecting spiral sheet together with a bolt is screwed into the soil, thereby increasing the depth of a pile body in a soil layer, 30 the tightness of the surrounding soil, the friction between the ground screw and the soil, as well as the pulling force, the load-bearing force and other performances of the ground screw. When the utility model is in use, the size of the ground screw is selected according to the soil properties around the base pile and the load-carrying requirements of the base pile, and a rotary rod is inserted into a rotary hole and rotated to be screwed 2017100938 07 Μ 2017 4 into the soil, the small-size spiral blade is easy to screw into soil, after the small-size spiral blade is screwed into the soil, the ground screw has a certain grip which makes the large-size spiral blade screwed into the soil together, thereby greatly increasing the bearing force and the anti-pulling force of the ground screw product, the double-spiral 5 blade type high load-bearing type ground screw has the advantages of rapid introduction into the soil, accurate positioning, higher anti-compression capacity, high anti-pulling force and the like.

Claims

What is claimed is:

1. A high load-bearing type ground screw, comprising a tubular pile rod, wherein the front end of the pile rod is provided with a pile tip, the lower ends of the pile tip and the pile rod are provided with a small-size spiral blade, a large-size spiral blade is provided on the pile rod at the upper end of the small-size spiral blade, the small-size spiral blade and the large-size spiral blade are connected continuously at the same pitch, the upper end of the pile rod is provided with a rotating hole at the same pitch, the axis of the rotary hole is perpendicular to the axis of the pile rod,
2. The high load-bearing type ground screw according to claim 1, wherein the size of the blade is obtained by the outer diameter of the blade minus the inner diameter of the blade.
3. The high load-bearing type ground screw according to claim 1, the front end of the pile tip is provided with a diamond-shaped drill bit.
4. The high load-bearing type ground screw according to claim 1, wherein the upper end of the pile rod is provided with a spiral-sheet-shaped connecting flange, a spiral sheet of the connecting flange is provided thereon with a connecting hole and connected with the elongated pile rod via bolt connection, the upper end of the elongated pile rod is provided with a flange, the lower end of the elongated pile rod is provided with the spiral-sheet-shaped connecting flange being the same as that on the upper end of the pile rod.