CN214783858U

CN214783858U - Deep mixing pile machine

Info

Publication number: CN214783858U
Application number: CN202120224096.5U
Authority: CN
Inventors: 陈建农; 孔维明
Original assignee: Shanghai Xinggeng Foundation Engineering Co ltd
Current assignee: Shanghai Xinggeng Foundation Engineering Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-19
Anticipated expiration: 2031-01-26

Abstract

The utility model relates to a deep stirring stake machine relates to building construction's field, including stirring stake machine body, stirring stake machine body is provided with and is hollow (mixing) shaft, a plurality of first stirring leaves of (mixing) shaft fixedly connected with, and is a plurality of first stirring leaf is arranged along (mixing) shaft circumference and is set up, the (mixing) shaft is located a plurality of second stirring leaves of below fixedly connected with of first stirring leaf, and is a plurality of second stirring leaf is arranged along (mixing) shaft circumference and is set up, first stirring leaf all is cavity and all communicates the setting with the (mixing) shaft cavity with second stirring leaf, a plurality of first grout spouts have been seted up respectively to first stirring leaf and second stirring leaf lateral wall. This application has the effect that can make grout and soil body mix more evenly.

Description

Deep mixing pile machine

Technical Field

The application relates to the field of building construction, in particular to a deep mixing pile machine.

Background

A deep stirring pile machine is a soft foundation treatment equipment which uses cement as a curing agent to be sprayed into soil and stirred to mix the cement with the soil, so that the soft soil is hardened to form a pile, and the foundation is reinforced.

Chinese patent publication with publication number CN207934815U discloses a unipolar deep mixing stake machine drill bit, including the drill bit axle and set up at the epaxial upper leaf of drill bit and lower leaf, upper leaf and lower leaf upper and lower interval set up and both are perpendicular settings, the drill bit axle is upper end open-ended hollow structure, the lower leaf top sets up out the thick liquid hole, go out the thick liquid hole with hollow structure intercommunication, the size in play thick liquid hole is through adjusting the structure and adjusting.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the mixing pile machine works, the drill bit shaft drives the upper blade and the lower blade to cut the soil body, and the grout outlet hole is only formed in the lower end of the drill bit shaft, so that the mixing effect of the cement grout and the soil body is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the mixed effect of grout and soil body, this application provides a deep stirring stake machine.

The application provides a deep stirring stake machine adopts following technical scheme:

the utility model provides a deep mixing stake machine, is including stirring stake machine body, stirring stake machine body is provided with and is hollow (mixing) shaft, a plurality of first stirring leaves of (mixing) shaft fixedly connected with, and is a plurality of first stirring leaf is arranged along (mixing) shaft circumference to be set up first stirring leaf, the (mixing) shaft is located a plurality of second stirring leaves of below fixedly connected with of first stirring leaf, and is a plurality of second stirring leaf is arranged along (mixing) shaft circumference to be set up, first stirring leaf all is cavity and all communicates the setting with the (mixing) shaft cavity with second stirring leaf, a plurality of first spouts grout mouth has been seted up respectively to first stirring leaf and second stirring leaf lateral wall.

Through adopting above-mentioned technical scheme, when the (mixing) shaft is rotatory, the (mixing) shaft can drive first stirring leaf and second stirring leaf rotation and cut the soil body, can spout grout in the first grout spraying port simultaneously, because after the stirring cutting through first stirring leaf and second stirring leaf, make the soil body on every side soft and mobility better, thereby spray grout this moment, can make grout intensive mixing in the soil body by the stirring, thereby make the mixed effect of grout and soil body better.

Optionally, the first stirring blade and the second stirring blade are both obliquely arranged, and the oblique directions of the first stirring blade and the second stirring blade are opposite.

By adopting the technical scheme, the first stirring blade and the second stirring blade can cut soil bodies in different directions, so that the soil bodies have better flowability, and further the cement paste and the soil bodies are mixed more uniformly.

Optionally, the two side edges of the first stirring blade and the second stirring blade are respectively and fixedly connected with a splitter plate, and the splitter plates are arranged in a V shape.

By adopting the technical scheme, when the stirring shaft drives the first stirring blade and the second stirring blade to rotate by arranging the splitter plate, the two side slopes of the splitter plate can divide the soil body to flow to two sides, so that the resistance between the first stirring blade edge, the second stirring blade edge and the soil body is reduced, and the stirring shaft can drive the first stirring blade and the second stirring blade to rotate to cut the soil body more smoothly.

Optionally, the lateral walls of the two sides of the stirring shaft are respectively and fixedly provided with an extending pipe which is horizontal, the extending pipe is communicated with the cavity of the stirring shaft, and the extending pipe is positioned between the first stirring blade and the second stirring blade.

Through adopting above-mentioned technical scheme, through setting up the extension pipe, make the (mixing) shaft at rotatory in-process, can drive the extension pipe rotation, and grout can follow the extension pipe blowout, and because the extension pipe is located and sets up between first stirring leaf and the second stirring leaf to increase the blowout region of grout, improve the mixing efficiency of grout and soil body, and then improve the job schedule of whole engineering.

Optionally, the side wall of the stirring shaft is fixedly connected with a reinforcing pipe for reinforcing the extension pipe, and the reinforcing pipe is sleeved outside the extension pipe.

Through adopting above-mentioned technical scheme, the reinforced pipe can play the guard action to the extension pipe, prevents that the (mixing) shaft from driving the rotatory stirring of extension pipe, and the extension pipe is broken by the soil body.

Optionally, the lower end of the stirring shaft is fixedly connected with a sharp part, and the sharp part is arranged in a conical shape.

Through adopting above-mentioned technical scheme, because sharp-pointed portion is coniform setting to reduce the area of contact of (mixing) shaft and ground surface, and then make the drive (mixing) shaft that stirring stake machine body can be more smooth sink.

Optionally, sharp portion is cavity setting, sharp portion and (mixing) shaft cavity intercommunication setting, a plurality of second whitewashing mouths rather than the inner chamber intercommunication are seted up along its circumference to sharp portion lateral wall.

Through adopting above-mentioned technical scheme, when the (mixing) shaft drove sharp portion and sinks to the predetermined degree of depth, can make second whitewashing mouth spray grout to make soil body depths can mix with grout, and then strengthen the intensity of cement soil pile, make the cement soil pile more firm.

Optionally, the side walls of the two sides of the reinforcing pipe are respectively and fixedly connected with resistance reducing plates, and the resistance reducing plates are arranged in an isosceles triangle shape.

Through adopting above-mentioned technical scheme, because the drag reduction plate is isosceles triangle and sets up to when the (mixing) shaft drove the reinforced pipe rotation, the hypotenuse of drag reduction plate both sides can reduce the resistance of soil body with reinforced pipe direct contact, thereby makes the protection extension pipe that the reinforced pipe can be more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

when the (mixing) shaft was rotatory, the (mixing) shaft can drive first stirring leaf and second stirring leaf rotation and cut the soil body, can spout grout in the first grout spraying port simultaneously, owing to after the stirring cutting through first stirring leaf and second stirring leaf, make the soil body on every side soft and mobility better, thereby spray grout this moment, can make the grout intensive mixing in the soil body of being stirred, thereby make the mixed effect of grout and soil body better.

Through setting up the flow distribution plate, when making the (mixing) shaft drive first stirring leaf rotatory, the both sides inclined plane of flow distribution plate can shunt the soil body to both sides and flow, reduces the resistance between first stirring leaf border and the soil body, makes the rotatory soil body of cutting of the first stirring leaf of drive that the (mixing) shaft can be more smooth.

Because sharp department is coniform setting to reduce the area of contact of (mixing) shaft and ground surface, and then make the drive (mixing) shaft that stirring stake machine body can be more smooth sink.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

FIG. 2 is a schematic view of a part of the structure of a stirring shaft in the embodiment of the present application.

Description of reference numerals: 1. a mixing pile machine body; 2. a stirring shaft; 21. a sharp portion; 22. a second slurry spraying port; 3. a first stirring blade; 4. a second stirring blade; 5. a flow distribution plate; 6. a first slurry spraying port; 7. an extension pipe; 71. reinforcing the pipe; 72. a drag reduction plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a deep mixing pile machine. Referring to fig. 1 and 2, a deep mixing stake machine includes mixing stake machine body 1, and mixing stake machine body 1 rotates to be connected with and is vertical (mixing) shaft 2, and (mixing) shaft 2 is the cavity setting, and (mixing) shaft 2 is connected in the host computer of mixing stake machine body 1 through can following longitudinal sliding, and the host computer passes through the motor and can drive (mixing) shaft 2 rotatory. The lower end of the stirring shaft 2 is integrally connected with a vertical sharp part 21, the sharp part 21 is arranged in an inverted conical shape, and the sharp part 21 is hollow, so that the sharp part 21 is communicated with the inner cavity of the stirring shaft 2, and a plurality of second slurry spraying ports 22 communicated with the inner cavity of the sharp part 21 are formed in the side wall of the sharp part along the circumferential direction of the sharp part.

Referring to fig. 2, the side wall of the stirring shaft 2 is welded with a plurality of hollow first stirring blades 3, the first stirring blades 3 are rectangular, and the first stirring blades 3 are communicated with the inner cavity of the stirring shaft 2. A plurality of first stirring leaf 3 are arranged along 2 circumference equidistance of (mixing) shaft and are set up, and the position welding that (mixing) shaft 2 is located first stirring leaf 3 below has a plurality of hollow second stirring leaves 4 that are, and second stirring leaf 4 is rectangular form, and second stirring leaf 4 sets up with (mixing) shaft 2 inner chamber intercommunication, and a plurality of second stirring leaves 4 are arranged along 2 circumference equidistance of (mixing) shaft and are set up. First stirring leaf 3 is the tilt up setting towards outside direction along (mixing) shaft 2, and second stirring leaf 4 is the tilt down setting towards outside direction along (mixing) shaft 2.

Referring to fig. 2, the splitter plates 5 are welded to the two side edges of the first stirring blade 3 and the second stirring blade 4, the splitter plates 5 are arranged in a V shape, the splitter plates 5 are arranged along the length direction of the first stirring blade 3 and the second stirring blade 4, and one side of each of the two splitter plates 5, which is in an acute angle shape, is welded to the two side edges of the first stirring blade 3 and the two side edges of the second stirring blade 4, so that the two splitter plates 5 are arranged with the openings facing each other. The upper and lower side walls of the first stirring blade 3 and the second stirring blade 4 are respectively provided with a plurality of first slurry spraying ports 6 communicated with the inner cavities of the first stirring blade and the second stirring blade.

Thereby the operator's accessible is opened the mortar pump of stirring stake machine body 1, makes grout can pour into the cavity of (mixing) shaft 2 into, makes grout can follow first grout spout 6 and the blowout of second grout spout 22.

Referring to fig. 2, the side walls of the two sides of the stirring shaft 2 are respectively welded with a horizontal extension pipe 7, the extension pipe 7 is arranged at a position between the first stirring blade 3 and the second stirring blade 4, and the extension pipe 7 is communicated with the inner cavity of the stirring shaft 2. Secondly, a reinforcing pipe 71 sleeved outside the extension pipe 7 is welded on the side wall of the stirring shaft 2, so that the reinforcing pipe 71 can reinforce and protect the extension pipe 7 and prevent the extension pipe 7 from being broken by force. Secondly, horizontal resistance reducing plates 72 are welded on the side walls of the two sides of the reinforcing pipe 71 respectively, and the resistance reducing plates 72 are arranged in an isosceles triangle shape.

The implementation principle of the deep mixing pile machine in the embodiment of the application is as follows: stirring stake machine body 1 is when vertical downwardly rotating along through host computer drive (mixing) shaft 2, sharp portion 21 can pierce in the soil body, and make during (mixing) shaft 2 can be more smooth deepening the soil body downwards, simultaneously (mixing) shaft 2 can drive first stirring leaf 3 and second stirring leaf 4 rotation, stir the cutting to the soil body, make the mobility of soil body better, later open the mortar pump, make grout pour into in (mixing) shaft 2, thereby make first stirring leaf 3 and second stirring leaf 4 when cutting the soil body, grout can spout in first grout spout 6 and second grout spout 22 and extension pipe 7, and then make grout can with the soil body intensive mixing, make the mixed effect of grout and soil body better, thereby the quality of soil pile has been improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a deep mixing stake machine, is including stirring stake machine body (1), stirring stake machine body (1) is provided with and is hollow (mixing) shaft (2), its characterized in that: (mixing) shaft (2) a plurality of first stirring leaf (3) of fixedly connected with, it is a plurality of first stirring leaf (3) are arranged along (mixing) shaft (2) circumference and are set up, (mixing) shaft (2) are located a plurality of second stirring leaf (4) of below fixedly connected with of first stirring leaf (3), and are a plurality of second stirring leaf (4) are arranged along (mixing) shaft (2) circumference and are set up, first stirring leaf (3) all are cavity and all communicate the setting with (mixing) shaft (2) cavity with second stirring leaf (4), a plurality of first whitewashing mouth (6) have been seted up respectively to first stirring leaf (3) and second stirring leaf (4) lateral wall.

2. The deep mixing pile machine of claim 1, characterized in that: first stirring leaf (3) all are the slope setting with second stirring leaf (4), first stirring leaf (3) and second stirring leaf (4) incline direction opposite.

3. The deep mixing pile machine of claim 1, characterized in that: the two side edges of the first stirring blade (3) and the second stirring blade (4) are respectively and fixedly connected with a splitter plate (5), and the splitter plate (5) is arranged in a V shape.

4. The deep mixing pile machine of claim 1, characterized in that: the utility model discloses a stirring shaft (2) stirring, including (mixing) shaft (2), extension pipe (7) and (mixing) shaft (2) cavity intercommunication set up, extension pipe (7) are located the position between first stirring leaf (3) and second stirring leaf (4).

5. The deep mixing pile machine of claim 4, characterized in that: the side wall of the stirring shaft (2) is fixedly connected with a reinforcing pipe (71) used for reinforcing the extension pipe (7), and the extension pipe (7) is sleeved with the reinforcing pipe (71).

6. The deep mixing pile machine of claim 1, characterized in that: the stirring shaft (2) lower extreme fixedly connected with point sharp portion (21), point sharp portion (21) are coniform setting.

7. The deep mixing pile machine of claim 6, characterized in that: sharp portion (21) are cavity setting, sharp portion (21) and (mixing) shaft (2) cavity intercommunication set up, sharp portion (21) lateral wall is seted up a plurality of second whitewashing mouths (22) rather than the inner chamber intercommunication along its circumference.

8. The deep mixing pile machine of claim 5, characterized in that: the side walls of two sides of the reinforcing pipe (71) are respectively and fixedly connected with resistance reducing plates (72), and the resistance reducing plates (72) are arranged in an isosceles triangle shape.