阅读说明：本技术 一种粘性虚土质桩孔渣土的打散装置及打散方法 (Device and method for scattering residue soil in pile hole of viscous deficient soil ) 是由 龙照 杜俊 项龙江 刘若琪 刘志刚 孔维刚 李征 于 2019-11-15 设计创作，主要内容包括：本发明属于打散设备技术领域,涉及一种粘性虚土质桩孔渣土的打散装置及打散方法,包括移动机构、吸管以及打散机构,移动机构与吸管相连,打散机构套装在吸管末端；打散机构包括打散筒体、驱动部件、传动部件以及置于打散筒体一端的锯齿刀头,驱动部件置于吸管外壁上,传动部件置于打散筒体上,驱动部件与传动部件相连驱动传动部件带动打散筒体转动,进而带动锯齿刀头旋转对渣土块旋切、打散；打散筒体为空心筒体,打散筒体套装在吸管末端外侧且打散筒体的锯齿刀头与吸管末端对齐；吸管末端截面为斜口面,吸管末端斜口面的倾斜角度为15～45°。本发明能有效地将渣土打散,并被吸管吸走,且吸管不会发生堵塞,吸土效率高。(The invention belongs to the technical field of scattering equipment, and relates to a scattering device and a scattering method for cohesive soil deficient pile hole muck, which comprises a moving mechanism, a suction pipe and a scattering mechanism, wherein the moving mechanism is connected with the suction pipe, and the scattering mechanism is sleeved at the tail end of the suction pipe; the scattering mechanism comprises a scattering cylinder body, a driving part, a transmission part and a sawtooth tool bit arranged at one end of the scattering cylinder body, the driving part is arranged on the outer wall of the suction pipe, the transmission part is arranged on the scattering cylinder body, the driving part is connected with the transmission part to drive the scattering cylinder body to rotate, and then the sawtooth tool bit is driven to rotate to carry out rotary cutting and scattering on the residue soil blocks; the scattering cylinder body is a hollow cylinder body, the scattering cylinder body is sleeved outside the tail end of the suction pipe, and the sawtooth tool bit of the scattering cylinder body is aligned with the tail end of the suction pipe; the cross section of the tail end of the suction pipe is an oblique opening surface, and the inclination angle of the oblique opening surface of the tail end of the suction pipe is 15-45 degrees. The invention can effectively scatter the residue soil and suck the residue soil away by the suction pipe, and the suction pipe is not blocked, so the soil suction efficiency is high.)

1. The utility model provides a device is broken up to muddy deficient soil matter stake hole dregs which characterized in that: the scattering device for the cohesive soil-deficient pile hole muck comprises a moving mechanism, a suction pipe (8) and a scattering mechanism; the moving mechanism is connected with the suction pipe (8); the scattering mechanism is sleeved at the tail end of the suction pipe (8);

the scattering mechanism comprises a scattering cylinder body (1), a driving part, a transmission part and a sawtooth tool bit (2) arranged at one end of the scattering cylinder body (1); the driving part is arranged on the outer wall of the suction pipe (8); the driving part is arranged on the scattering cylinder body (1), and the driving part is connected with the driving part to drive the scattering cylinder body (1) to rotate, so that the sawtooth tool bit (2) is driven to rotate to rotationally cut and scatter the residue soil blocks.

2. The apparatus of claim 1, wherein the apparatus comprises: break up barrel (1) and be hollow barrel, break up barrel (1) suit and break up sawtooth tool bit (2) and the terminal alignment of straw (8) in the straw (8) terminal outside and the barrel (1), from straw (8) terminal outside to the cutting of dregs piece soon, break up.

3. The apparatus of claim 2, wherein the apparatus comprises: the section of the tail end of the suction pipe (8) is an inclined opening surface; the least significant end of bevel face aligns with sawtooth tool bit (2) end on breaking up barrel (1), makes remain the clearance between straw (8) terminal surface and the dregs, and the inclination of straw (8) terminal bevel face is 15 ~ 45.

4. The apparatus of claim 1, wherein the apparatus comprises: the transmission part comprises a gear transmission part, a gear rack transmission part or a bearing transmission part.

5. The apparatus of claim 4, wherein the apparatus comprises: the gear transmission part comprises a first gear (3) and a second gear (4) which are meshed with each other, the first gear (3) is connected with the scattering cylinder body (1), the second gear (4) is connected with an output shaft of the driving part, the second gear (4) is driven by the driving part to drive the first gear (3) to rotate, and then the scattering cylinder body (1) is driven to do circular motion, so that the residue soil block is subjected to circular rotary cutting and scattering.

6. The apparatus of claim 1, wherein the apparatus comprises: the moving mechanism comprises a pulling rope (7) and a fixed frame; the fixing frame is arranged on the ground; one end of the pulling rope (7) is fixed on the fixing frame, and the other end of the pulling rope (7) is connected with the tail end of the suction pipe (8) to pull and move the tail end of the suction pipe (7).

7. The method for scattering the cohesive virtual soil pile hole muck according to claim 1, comprising the following steps: the scattering method comprises the following steps:

1) moving one end of a pulling rope (7) on the ground to move the tail end of the suction pipe (8) in the pile hole to a designated position according to the pulling direction and the displacement of the tail end of the suction pipe (8);

2) the driving component drives the scattering cylinder (1) to rotate circumferentially by driving the transmission component, the sawtooth tool bit (2) at the bottom end of the scattering cylinder (1) is used for carrying out rotary cutting and scattering on the viscous virtual soil slag in the pile hole, meanwhile, the scattered soil slag generates vortex along the tangential direction of the scattering cylinder, a negative pressure area is generated in a pipe at the tail end of the suction pipe (8) in the centrifugal motion process, and the viscous virtual soil slag on the outer side is continuously scattered in the soil suction process and then enters the suction pipe to be sucked away;

3) in the pile hole, a gap is formed between the tail end of the suction pipe (8) and the bottom of the pile hole, so that the air pressure in the pile hole plays a role in assisting and pushing the viscous virtual soil slag sucked into the suction pipe (8).

8. The method for breaking up muck in a viscous soil-deficient pile hole according to claim 7, wherein the method comprises the following steps: the specific implementation process of the step 2) is as follows: the driving part drives the second gear (4) to rotate, and the first gear (3) meshed with the second gear (4) also rotates along with the second gear; the first gear (3) connected with the scattering cylinder body (1) drives the scattering cylinder body (1) to rapidly move around the circumference of the scattering cylinder body (1), the sawtooth cutter head (2) on the scattering cylinder body (1) continuously rotates to carry out rotary cutting and scattering on the residue soil block contacted with the tail end of the suction pipe (8), the scattered residue soil continuously rotates in the scattering cylinder body (1) to generate centrifugal motion and form an upward vortex, and the vortex central area is coupled with the suction effect of the central low-pressure area in the suction pipe (8), so that the residue soil is smoothly sucked away.

9. The method for breaking up cohesive virtual soil pile hole muck according to claim 8, wherein the step 3) is specifically as follows: in the pile hole, the inclination angle of the inclined port end at the tail end of the suction pipe (8) is 15-45 degrees, one side of the end port of the suction pipe (8) is in contact with the residue soil at the bottom of the pile hole, a gap is formed between the other side of the end port of the suction pipe and the residue soil, and the suction effect in the suction pipe is further strengthened by utilizing the internal and external pressure difference at the tail end of the suction pipe (8) so as to push the residue soil to move towards the suction.

10. The method for breaking up cohesive virtual soil pile hole muck according to claim 9, wherein: in the step 3), the included angle between the beveled end of the tail end of the suction pipe (8) and the bottom of the pile hole is 30 degrees.

Technical Field

The invention belongs to the technical field of mechanical devices, and relates to a scattering device and a scattering method; in particular to a scattering device and a scattering method for residual soil of a viscous deficient soil pile hole.

Background

In the pile construction process, when transferring the pile hole that beats well with steel reinforcement cage, steel reinforcement cage can collide with pile hole lateral wall and make residue (dregs) on the pile hole lateral wall fall to pile hole bottom, steel reinforcement cage can not transfer to pile hole bottom when a large amount of residue (dregs) are accumulated more in pile hole bottom, will lead to steel reinforcement cage to go out the certain height in ground more, at this moment very big to the construction degree of difficulty on next step, or cut away the steel reinforcement cage of unnecessary height, or direct construction, if say cut away or direct construction will very big influence holistic rigidity.

In addition, in the hilly area of china northwest, soil property is mostly the deficient soil, and when the pile is driven, stake hole degree of depth is often at 50 meters dark, the more viscidity that can present of dregs water content, at present, adopt the soil suction machine in the construction usually and pile the downthehole accumulational residue (dregs) suction, but because the downthehole dregs of stake are mostly the viscidity deficient soil, the dregs are piled up and are in the same place in stake hole bottom bonding, make the difficult straw suction that is difficult for of residue soil, consequently will set up the device of breaing up in soil suction machine suction nozzle department, conveniently break up residue or dregs, can effectually follow and suck away in the straw.

Disclosure of Invention

The technical problems that the residue soil is high in viscosity, easy to block a suction pipe and difficult to suck are solved; the invention provides a scattering device and a scattering method for the viscous soil residue soil in a pile hole, which can effectively scatter the viscous soil in the pile hole and be sucked away by a suction pipe, the suction pipe cannot be blocked, and the soil suction efficiency is high.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a device is broken up to muddy deficient soil matter stake hole dregs which characterized in that: the scattering device for the cohesive soil deficiency pile hole muck comprises a moving mechanism, a suction pipe and a scattering mechanism; the moving mechanism is connected with the suction pipe; the scattering mechanism is sleeved at the tail end of the suction pipe;

the scattering mechanism comprises a scattering cylinder body, a driving part, a transmission part and a sawtooth tool bit arranged at one end of the scattering cylinder body; the driving part is arranged on the outer wall of the suction pipe; the driving part is arranged on the scattering cylinder body, and the driving part is connected with the driving part to drive the scattering cylinder body to rotate, so that the sawtooth cutter head is driven to rotate to cut and scatter the residue soil blocks in a rotary manner.

Further, break up the barrel and be hollow barrel, break up the barrel suit in the terminal outside of straw and break up the sawtooth tool bit of barrel and straw terminal alignment, from the terminal outside of straw to the cutting of sediment piece soon, break up.

Further limiting, the cross section of the tail end of the straw is a bevel surface; the least significant end of bevel connection face aligns with the sawtooth tool bit end of breaking up on the barrel, makes and remains the clearance between straw terminal end surface and the dregs, and the inclination of straw terminal bevel connection face is 15 ~ 45.

Furthermore, the transmission part comprises a first gear and a second gear which are meshed with each other, the first gear is connected with the scattering cylinder, the second gear is connected with an output shaft of the driving part, the second gear is driven by the driving part to drive the first gear to rotate, the scattering cylinder is driven to do circular motion, and the residue soil block is subjected to circular rotary cutting and scattering.

Further, the moving mechanism comprises a pulling rope and a fixed frame; the fixing frame is arranged on the ground; one end of the traction rope is fixed on the fixing frame, and the other end of the traction rope is connected with the tail end of the suction pipe to draw and move the tail end of the suction pipe.

A method for scattering device of residue soil of viscous soil-deficient pile hole is characterized in that: the scattering method comprises the following steps:

1) moving one end of a pulling rope on the ground to move the tail end of the suction pipe in the pile hole to a specified position according to the pulling direction and the displacement of the tail end of the suction pipe;

2) the driving component is driven to drive the scattering cylinder to rotate circumferentially by driving the transmission component, rotary cutting and scattering are carried out on the viscous virtual soil slag in the pile hole by utilizing the serrated cutter head at the bottom end of the scattering cylinder, meanwhile, the scattered soil slag generates vortex along the tangential direction of the scattering cylinder, a negative pressure zone is generated in the pipe at the tail end of the suction pipe in the centrifugal motion process, and the viscous virtual soil slag on the outer side is continuously scattered in the soil absorbing process and then enters the suction pipe to be absorbed;

3) in the pile hole, a gap is formed between the tail end of the suction pipe and the bottom of the pile hole, so that the air pressure in the pile hole plays a role in assisting and pushing the viscous soil residues sucked into the suction pipe.

Further, the specific implementation process of step 2) is as follows: the driving part is a motor, the motor drives the second gear to rotate, and the first gear meshed with the second gear also rotates along with the second gear; the first gear connected with the scattering cylinder drives the scattering cylinder to rapidly move around the circumference of the scattering cylinder, the sawtooth cutter head on the scattering cylinder continuously rotates to carry out rotary cutting and scattering on the residue soil block contacted with the tail end of the suction pipe, the scattered residue soil continuously rotates in the scattering cylinder to generate centrifugal motion and form upward vortex, and the vortex central area is coupled with the suction effect of the central low-pressure area in the suction pipe, so that the residue soil is smoothly sucked away.

Further, the step 3) is specifically: in the pile hole, the inclination angle of the inclined port end at the tail end of the suction pipe is 15-45 degrees, one side of the inclined port end at the tail end of the suction pipe is in contact with the residue soil at the bottom of the pile hole, a gap is formed between the other side of the inclined port end and the residue soil, and the suction effect in the suction pipe is further enhanced by utilizing the internal and external pressure difference at the tail end of the suction pipe, so that the residue soil is pushed to move.

Further, the included angle between the oblique opening end of the tail end of the straw and the bottom of the pile hole in the step 3) is 30 degrees.

The invention has the beneficial effects that:

1. according to the invention, the tail end of the suction pipe is sleeved with the scattering cylinder body, the end part of the scattering cylinder body is provided with the sawtooth tool bit, the driving part drives the scattering cylinder body and the sawtooth tool bit on the scattering cylinder body to axially rotate through the transmission part, and viscous residue soil at the bottom of the pile hole contacted with the tail end of the suction pipe is scattered and is sucked away by the suction pipe. The invention has simple structure and operation process, is easy to realize, can effectively scatter residues, prevents the suction pipe from being blocked and has high construction efficiency.

2. According to the invention, the scattering cylinder body is a hollow cylinder body, one end of the scattering cylinder body is provided with a plurality of sawtooth tool bits in the circumferential direction, the first gear sleeved on the scattering cylinder body drives the scattering cylinder body to rotate around the axial direction of the scattering cylinder body, the sawtooth tool bits on the scattering cylinder body continuously rotate, scattered muck continuously rotates in the scattering cylinder body to generate centrifugal motion and form upward eddy, and the central area of the eddy is coupled with the suction effect of a central low-pressure area in the suction pipe, so that the muck is smoothly sucked away, and the soil suction efficiency is improved.

3. In the invention, the scattering cylinder body is sleeved at the tail end of the suction pipe, and the tail end surface of the suction pipe is an inclined end surface; the included angle between the oblique opening end of the tail end of the suction pipe and the bottom of the pile hole is 15-45 degrees; preferably, the included angle is 30 degrees, so in the working process of the suction pipe, the suction effect in the suction pipe is further enhanced by utilizing the internal and external pressure difference at the tail end of the suction pipe, the residue soil is pushed to move towards the suction pipe, the scattered viscous residue soil is easily sucked away from the suction pipe, and the soil suction efficiency is further enhanced.

Drawings

FIG. 1 is a schematic view of the whole structure of a scattering device according to the present invention;

FIG. 2 is a schematic cross-sectional view of a scattering device according to the present invention;

FIG. 3 is a schematic top view of the scattering device according to the present invention;

FIG. 4 is a schematic structural view of a fixing bracket provided in the present invention;

wherein:

1-scattering the cylinder; 2-a serrated bit; 3-a first gear; 4-a second gear; 5, a motor; 6, fixing a plate; 7-pulling rope; 8, a straw; 9-a fixed ring; 10, fixing grooves; 11-foot rest.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings and examples.