阅读说明：本技术 一种高效无扰动型钢管桩插拔 (High-efficient undisturbed shaped steel tubular pile plug ) 是由 陈金刚 祝旭锋 姜显俊 于 2021-05-07 设计创作，主要内容包括：本发明公开了一种高效无扰动型钢管桩插拔,包括钢管桩本体,所述钢管桩本体的外侧设置有刻度标尺,所述钢管桩本体的顶部固定安装有插口端。该高效无扰动型钢管桩插拔,启动气压阀,将空腔内抽至真空状态,真空作用下钢管桩本体底部内外泥土存在一定压力差,管壁外土压力大于管壁内土压力,通过插口端的锯齿形结构,快速将钢管桩本体内外两侧的泥土分离,使钢管桩本体沉入过程中产生的多余泥土向内涌动,减少对钢管桩本体外侧泥土的挤压,拔桩时,启动气压阀,对空腔内加压,实心球绕着转杆转动,对钢管桩本体和钢管桩内壁进行敲击,将钢管桩本体上的泥土震落,防止拔桩时产生带土效应,减少对周边环境的影响。(The invention discloses a high-efficiency undisturbed steel pipe pile plug, which comprises a steel pipe pile body, wherein a scale is arranged on the outer side of the steel pipe pile body, and a plug end is fixedly arranged at the top of the steel pipe pile body. This high-efficient undisturbed shaped steel tubular pile plug, start the atmospheric valve, take out to vacuum state in with the cavity, there is certain pressure differential in the inside and outside earth in steel-pipe pile body bottom under the vacuum action, the outer earth pressure of pipe wall is greater than the interior earth pressure of pipe wall, zigzag structure through socket end, separate the earth of this internal inside and outside both sides of steel-pipe pile fast, make the steel-pipe pile body sink into the unnecessary earth that the in-process produced inwards and surge, reduce the extrusion to the earth of pile body outside, during pile pulling, start the atmospheric valve, pressurize in the cavity, the steel-pipe rotates round the bull stick, strike steel-pipe pile body and steel-pipe pile inner wall, shake the earth on the steel-pipe pile body, produce the soil-carrying effect during pile pulling, reduce the influence to all ring edge borders.)

1. The utility model provides a high-efficient undisturbed shaped steel tubular pile plug, includes steel-pipe pile body (1), its characterized in that: the steel pipe pile comprises a steel pipe pile body (1), and is characterized in that a scale (2) is arranged on the outer side of the steel pipe pile body (1), a socket end (3) is fixedly mounted at the top of the steel pipe pile body (1), a steel pipe pile inner wall (4) is fixedly mounted on the inner side of the steel pipe pile body (1), a cavity (5) is arranged in the steel pipe pile body (1), a guide pipe (6) is fixedly mounted in the cavity (5), an air pressure valve (7) is arranged on the outer side of the guide pipe (6), a support rod (8) is fixedly mounted on the outer side of the steel pipe pile inner wall (4), a rotating rod (9) is fixedly mounted on the outer side of the support rod (8), a rotating cylinder (10) is arranged on the outer side of the rotating cylinder (10), a support (11) is fixedly mounted on the outer side of the support (11), a solid ball (12) is fixedly mounted on the outer side of the support rod (4), and a stabilizing plate (13) is fixedly mounted on the inner side of the steel pipe pile inner wall (4), and an anticorrosive paint (14) is arranged on the outer side of the steel pipe pile body (1).

2. The efficient undisturbed tubular steel pile plugging and unplugging device of claim 1, which is characterized in that: the graduated scale (2) takes decimeter as a unit, and the spigot end (3) is of a solid sawtooth ring structure.

3. The efficient undisturbed tubular steel pile plugging and unplugging device of claim 1, which is characterized in that: the inner wall (4) of the steel pipe pile is of a round table structure, the diameter of the upper end face of the inner wall (4) of the steel pipe pile is smaller than that of the lower end face of the inner wall (4) of the steel pipe pile, and the inner diameter of the inner wall (4) of the steel pipe pile is the same as that of the spigot end (3).

4. The efficient undisturbed tubular steel pile plugging and unplugging device of claim 1, which is characterized in that: the cavity (5) is closed, and the conduit (6) penetrates through the cavity (5) and is connected with the air pressure valve (7).

5. The efficient undisturbed tubular steel pile plugging and unplugging device of claim 1, which is characterized in that: the rotary rod (9) is of an annular structure, the rotary rods (9) are distributed in the cavity (5) at intervals, four rotary rods are distributed on the rotary rod (9) in an annular mode by taking the inner wall (4) of the steel pipe pile as a circle center through the support (11), the inner diameter of each rotary cylinder (10) is larger than the thickness of each rotary rod (9), the rotary cylinders (10) are distributed on the rotary rod (9) in an annular mode by taking the inner wall (4) of the steel pipe pile as the circle center, the rotary cylinders (10) are connected with the rotary rods (9) in a rotating mode, and the sum of the lengths of the support (11) and the solid balls (12) is larger than the thickness of the cavity (5).

6. The efficient undisturbed tubular steel pile plugging and unplugging device of claim 1, which is characterized in that: the thickness of the anticorrosive paint (14) is 18-22 mm, the anticorrosive paint (14) is made of organic silicon resin, and the stabilizing plate (13) is of a cross-shaped structure.

Technical Field

The invention relates to the technical field of steel pipe piles, in particular to efficient disturbance-free steel pipe pile plugging.

Background

The steel pipe pile is composed of a steel pipe, a rabbet mortise and a rabbet dowel pin, wherein the rabbet groove is vertically connected to the pipe wall of the left end of the diameter of the steel pipe, the cross section of the rabbet groove is in a square frame shape with an opening at one side, a reinforcing rib is arranged on the side face of the rabbet groove, the rabbet pin is vertically connected to the pipe wall of the right end of the diameter of the steel pipe at a position deviating from the radius, the section of the groove of the rabbet pin is in an I shape, and the steel pipe pile is efficient and undisturbed in plugging and unplugging.

The phenomenon of crowded soil and taking soil can appear in the steel-pipe pile of present most when pile and pile pulling, influences geological environment on every side when serious, leads to collapsing of building on every side, brings safety and property hidden danger, and the steel-pipe pile buries in earth for a long time, and acid-base material in the earth corrodes it, influences the life of steel-pipe pile.

Disclosure of Invention

The invention aims to provide a high-efficiency undisturbed steel pipe pile plugging device, which aims to solve the problems that most of the existing steel pipe piles are crowded with soil and carried with soil during pile driving and pile pulling, the surrounding geological environment is seriously influenced, surrounding buildings collapse, safety and property hazards are brought, the steel pipe piles are buried in soil for a long time, acid and alkali substances in the soil corrode the steel pipe piles, and the service life of the steel pipe piles is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-efficient undisturbed shaped steel tubular pile plug, includes the steel-pipe pile body, the outside of steel-pipe pile body is provided with the scale, the top fixed mounting of steel-pipe pile body has the socket end, the inboard fixed mounting of steel-pipe pile body has the steel-pipe pile inner wall, the inside of steel-pipe pile body is provided with the cavity, the inside fixed mounting of cavity has the pipe, the outside of pipe is provided with the barovalve, the outside fixed mounting of steel-pipe pile inner wall has branch, the outside fixed mounting of branch has the bull stick, the outside of bull stick is provided with the rotary drum, the outside fixed mounting of rotary drum has the support, the outside fixed mounting of support has solid ball, the inboard fixed mounting of steel-pipe pile inner wall has the steadying plate, the outside of steel-pipe pile body is provided with anticorrosive paint.

Preferably, the graduated scale uses decimeter as the unit, the spigot end is solid sawtooth ring column structure, through the setting of graduated scale, is convenient for look over the degree of depth that the steel-pipe pile body subsides, through the sawtooth structure of spigot end, resistance when reducing the pile, with the earth separation of the internal and external both sides of steel-pipe pile fast, makes the steel-pipe pile body sink into the unnecessary earth of in-process production and inwards gushes out, reduces the extrusion to steel-pipe pile body outside earth.

Preferably, the inner wall of the steel pipe pile is of a truncated cone-shaped structure, the diameter of the upper end face of the inner wall of the steel pipe pile is smaller than that of the lower end face of the inner wall of the steel pipe pile, the inner diameter of the inner wall of the steel pipe pile is the same as that of the spigot end, and stability of the steel pipe pile body during pile driving is improved through the truncated cone-shaped structure of the inner wall of the steel pipe pile.

Preferably, the cavity is closed, the conduit penetrates through the cavity and is connected with the air pressure valve, and the cavity is pumped and pressurized through the arrangement of the air pressure valve.

Preferably, the bull stick is the loop configuration, the bull stick is interval distribution in the cavity, the support uses the steel-pipe pile inner wall to be the annular distribution on the bull stick as the centre of a circle and has four, the internal diameter of rotary drum is greater than the thickness of bull stick, the rotary drum uses the steel-pipe pile inner wall to be the annular distribution on the bull stick as the centre of a circle, the rotary drum is connected for rotating with the bull stick, the length sum of support and solid ball is greater than the thickness of cavity, is vacuum state in the cavity, and the solid ball is static relatively, and when the cavity is pressurized, the solid ball rotates round the bull stick, strikes steel-pipe pile body and steel-pipe pile inner wall, shakes the earth on the steel-pipe pile body off, produces the soil-carrying effect when preventing the pile pulling.

Preferably, the thickness of the anticorrosive coating is 18 mm-22 mm, the anticorrosive coating is made of organic silicon resin, the stabilizing plate is of a cross-shaped structure, the bending rigidity of the steel pipe pile body is improved through the arrangement of the stabilizing plate, the anticorrosive coating has excellent mechanical performance after film forming, the steel pipe pile body has a plurality of excellent performances of corrosion resistance and sound absorption, acid and alkali substances in soil are prevented from corroding the steel pipe pile body, the steel pipe pile body is subjected to corrosion resistance by adopting a cathode protection method of impressed current, high-silicon cast iron is externally connected with a direct-current power supply and is an inert auxiliary anode, protective current is introduced to enable the surface corrosion of the steel pipe pile body to be close to zero, and the high-silicon cast iron is used as a loss anode material and transfer current, so that the service life of the steel pipe pile body is prolonged.

Compared with the prior art, the invention has the beneficial effects that:

1. the high-efficiency undisturbed steel pipe pile is plugged and pulled out, the air pressure valve is started, the cavity is pumped to a vacuum state, the solid ball is relatively static, a certain pressure difference exists between the inside and outside soil at the bottom of the steel pipe pile body under the vacuum action, the soil pressure outside the pipe wall is greater than the soil pressure inside the pipe wall, the resistance in the pile driving process is reduced through the zigzag structure at the socket end, the soil on the inner side and the outside of the steel pipe pile body is quickly separated, the redundant soil generated in the sinking process of the steel pipe pile body surges inwards, the extrusion to the soil outside the steel pipe pile body is reduced, the stability in the steel pipe pile body is improved through the frustum-shaped structure of the inner wall of the steel pipe pile, the bending rigidity of the steel pipe pile body is improved through the arrangement of the stabilizing plate, the air pressure valve is started during pile pulling, the cavity is pressurized, the solid ball rotates around the rotating rod, the steel pipe pile body and the inner wall of the steel pipe pile are knocked, the soil on the steel pipe pile body is shaken, the soil effect is prevented from being generated during pile pulling, and the influence on the surrounding environment is reduced;

2. this high-efficient undisturbed shaped steel tubular pile plug, the steel-pipe pile body adopts impressed current's cathodic protection method to carry on anticorrosive, through the external high-silicon cast iron of DC power supply, high-silicon cast iron is the supplementary positive pole of inertia, let in protection current makes steel-pipe pile body surface corrosion close to zero, and high-silicon cast iron is as loss anode material and transfer current, make the life extension of steel-pipe pile body, the outside of steel-pipe pile body is provided with anticorrosive paint, anticorrosive paint adopts the organic silicon resin material, anticorrosive paint has good mechanical properties after the film forming, make steel-pipe pile body have anticorrosive, inhale a great deal of good performance of sound, prevent that acid-base material in the earth from causing the corruption to steel-pipe pile body.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic top view of the present invention.

In the figure: 1. a steel pipe pile body; 2. a graduated scale; 3. a socket end; 4. the inner wall of the steel pipe pile; 5. a cavity; 6. a conduit; 7. a pneumatic valve; 8. a strut; 9. a rotating rod; 10. a rotating drum; 11. a support; 12. a solid sphere; 13. a stabilizing plate; 14. an anticorrosive paint.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-efficiency undisturbed steel pipe pile plug comprises a steel pipe pile body 1, a graduated scale 2, a socket end 3, a steel pipe pile inner wall 4, a cavity 5, a guide pipe 6, a pressure valve 7, a support rod 8, a rotating rod 9, a rotating drum 10, a support 11, a solid ball 12, a stabilizing plate 13 and an anticorrosive coating 14, wherein the graduated scale 2 is arranged on the outer side of the steel pipe pile body 1, the socket end 3 is fixedly installed at the top of the steel pipe pile body 1, the steel pipe pile inner wall 4 is fixedly installed on the inner side of the steel pipe pile body 1, the cavity 5 is arranged inside the steel pipe pile body 1, the guide pipe 6 is fixedly installed inside the cavity 5, the pressure valve 7 is arranged on the outer side of the guide pipe 6, the support rod 8 is fixedly installed on the outer side of the steel pipe pile inner wall 4, the rotating rod 9 is fixedly installed on the outer side of the support rod 8, the rotating drum 10 is provided with the rotating drum 10, the support 11 is fixedly installed on the outer side of the rotating drum 10, the solid ball 12 is fixedly installed on the outer side of the support 11, the inner side of the inner wall 4 of the steel pipe pile is fixedly provided with a stabilizing plate 13, and the outer side of the steel pipe pile body 1 is provided with an anticorrosive paint 14.

Further, scale 2 uses decimeter as the unit, socket end 3 is solid sawtooth annular structure, setting through scale 2, be convenient for look over the degree of depth that steel-pipe pile body 1 subsides, zigzag structure through socket end 3, resistance when reducing the pile, the earth separation with the inside and outside both sides of steel-pipe pile body 1 fast, make steel-pipe pile body 1 sink into the unnecessary earth that the in-process produced and inwards surge, reduce the extrusion to steel-pipe pile body 1 outside earth.

Further, steel-pipe pile inner wall 4 is round platform shape structure, and the diameter of 4 up end of steel-pipe pile inner wall is less than the diameter of 4 terminal surfaces down of steel-pipe pile inner wall, and the internal diameter of steel-pipe pile inner wall 4 is the same with the internal diameter of spigot end 3, through the structure of 4 round platform shapes of steel-pipe pile inner wall, improves the stability when steel-pipe pile body 1 is piled.

Further, the cavity 5 is closed, the conduit 6 penetrates through the cavity 5 and is connected with the air pressure valve 7, and the air pressure valve 7 is arranged to pump and pressurize the cavity 5.

Further, bull stick 9 is the loop configuration, bull stick 9 is interval distribution in cavity 5, support 11 uses steel-pipe pile inner wall 4 to be the ring distribution on bull stick 9 as the centre of a circle and has four, the internal diameter of rotary drum 10 is greater than the thickness of bull stick 9, rotary drum 10 uses steel-pipe pile inner wall 4 to be the ring distribution as the centre of a circle on bull stick 9, rotary drum 10 is connected for rotating with bull stick 9, the length sum of support 11 and solid ball 12 is greater than the thickness of cavity 5, be under the vacuum state in cavity 5, solid ball 12 is static relatively, when cavity 5 is pressurized, solid ball 12 rotates around bull stick 9, strike steel-pipe pile body 1 and steel-pipe pile inner wall 4, shake the earth on the steel-pipe pile body 1, produce the soil-carrying effect when preventing to pull out the stake.

Further, the thickness of the anticorrosive paint 14 is 18 mm-22 mm, the anticorrosive paint 14 is made of organic silicon resin, the stabilizing plate 13 is of a cross-shaped structure, the bending rigidity of the steel pipe pile body 1 is improved through the arrangement of the stabilizing plate 13, the anticorrosive paint 14 has excellent mechanical performance after film forming, the steel pipe pile body 1 has a plurality of excellent performances of corrosion resistance and sound absorption, acid and alkali substances in soil are prevented from corroding the steel pipe pile body 1, the steel pipe pile body 1 is subjected to corrosion resistance by adopting a cathode protection method of impressed current, high-silicon cast iron is externally connected with a direct-current power supply and is an inert auxiliary anode, the surface corrosion of the steel pipe pile body 1 is close to zero by introducing protective current, and the high-silicon cast iron is used as a loss anode material and transfer current, so that the service life of the steel pipe pile body 1 is prolonged.

The working principle is as follows: firstly, the steel pipe pile body 1 is lifted by a crane to be vertically downward, then the steel pipe pile body is driven to the ground by a vibration hammer, the arrangement of a graduated scale 2 is convenient for checking the sedimentation depth of the steel pipe pile body 1, a pressure valve 7 is started to pump the cavity 5 to a vacuum state, a solid ball 12 is relatively static, a certain pressure difference exists between the inside and the outside of the bottom of the steel pipe pile body 1 under the vacuum action, the soil pressure outside the pipe wall is greater than the soil pressure inside the pipe wall, the resistance in the bending resistance process is reduced by the zigzag structure of a socket end 3, the soil on the inside and the outside of the steel pipe pile body 1 is quickly separated, the redundant soil generated in the process of sinking the steel pipe pile body 1 is enabled to flow inwards, the extrusion of the soil outside the steel pipe pile body 1 is reduced, the stability in the process of driving the steel pipe pile body 1 is improved by the structure of a circular truncated cone shape of the inner wall 4 of the steel pipe pile, the rigidity of the steel pipe pile body 1 is improved by the arrangement of a stabilizing plate 13, when the pile is pulled out, the air pressure valve 7 is started, the air cavity 5 is pressurized, the solid ball 12 rotates around the rotating rod 9, the steel pipe pile body 1 and the inner wall 4 of the steel pipe pile are knocked, soil on the steel pipe pile body 1 is shaken off, the soil effect is prevented from being generated when the pile is pulled out, the influence on the surrounding environment is reduced, the steel pipe pile body 1 is subjected to corrosion prevention by adopting a cathode protection method of impressed current, high-silicon cast iron is externally connected with a direct-current power supply and is an inert auxiliary anode, the surface corrosion of the steel pipe pile body 1 is close to zero by introducing protection current, the high-silicon cast iron is used as a loss anode material and transmits current, the service life of the steel pipe pile body 1 is prolonged, the outer side of the steel pipe pile body 1 is provided with an anticorrosive coating 14, the anticorrosive coating 14 is made of organic silicon resin, the anticorrosive coating 14 has excellent mechanical performance after being formed into a film, and the steel pipe pile body 1 has a plurality of excellent performances of corrosion prevention and sound absorption, the corrosion of acid and alkali substances in soil to the steel pipe pile body 1 is prevented.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.