1. The utility model provides a stirring stake construction equipment with stirring frame, includes the pile frame, is provided with the drilling rod on the pile frame, characterized by, and the drilling rod lower part is provided with the stirring frame, and tip center cover is on the drilling rod about the stirring frame, and the drilling rod lower part is equipped with the drilling rod blade, and the stirring frame inboard sets up stirring vane.

2. The mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein a shaft sleeve is arranged at the center of the mixing frame for stability, a drill rod penetrates through the middle of the shaft sleeve, and the drill rod rotates within the limit range of the shaft sleeve.

3. The mixing pile construction equipment with the mixing frame as claimed in claim 2, wherein the mixing frame is a vertical frame structure, the upper end and the lower end of the frame are both a transverse plate, the transverse plate is connected with the shaft sleeve, the other end of the transverse plate is connected with a vertical plate, and the mixing blades are arranged on the inner side of the vertical plate; the two transverse plates, the vertical plate and the stirring blades on the inner sides of the vertical plates form a stirring frame, and the stirring frame is composed of n stirring frames arranged on the circumference of the drill rod.

4. The mixing pile construction equipment with the mixing frame as claimed in claim 3, wherein the n mixing frames are uniformly and symmetrically arranged on the drill rod.

5. The mixing pile construction equipment with the mixing frame as claimed in claim 3, wherein the n mixing frames are asymmetrically arranged on the drill rod.

6. The mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein the mixing blades and the drill rod blades are arranged in a staggered manner.

7. The mixing pile construction equipment with the mixing frame as claimed in claim 6, wherein the mixing blade is a vertical blade, a horizontal blade, an oblique blade, or a combination of the vertical blade, the horizontal blade and the oblique blade.

8. The mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein the drill rod is provided with an outer sleeve, and the lower end of the outer sleeve is connected with the mixing frame.

9. The mixing pile construction equipment with the mixing frame as claimed in claim 8, wherein the mixing frame is relatively fixed, the casing pipe is relatively fixed, the drill pipe rotates relatively, and the mixing frame is lifted along with the drill pipe when the drill pipe is lifted.

10. The mixing pile driving apparatus with mixing frame as claimed in claim 8, wherein the sleeve is connected to the pile frame by a guide slider, and the sleeve is slid up and down by the guide slider.

11. The mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein the drill rod is not provided with an outer sleeve, the mixing frame is sleeved on the drill rod through a shaft sleeve, and the mixing frame is unpowered.

12. The mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein the mixing frame is a rotatable mixing frame, the mixing frame and the drill rod rotate respectively, and the mixing frame is lifted along with the drill rod when the drill rod is lifted.

13. The mixing pile driving apparatus of claim 12, wherein the mixing frame is rotated in a direction opposite to that of the drill rod.

14. The mixing pile driving apparatus of claim 12, wherein the mixing frame rotates at the same speed as the drill pipe.

15. The mixing pile construction equipment with mixing frame as claimed in claim 8, wherein the mixing pile frame is provided with a power head, the power head is provided with two output ends, and the two output ends with different rotation directions are respectively connected with the casing pipe and the drill pipe.

16. The mixing pile construction equipment with the mixing frame as claimed in claim 15, wherein the drill rod and the casing are respectively connected with a set of power device.

17. The mixing pile construction equipment with the mixing frame as claimed in claim 15, wherein the drill rod and the casing share a power device, and the power device is provided with two output ends through a gearbox.

Background

In the construction process, a mixing pile machine is usually adopted for construction, a drill rod is arranged on the mixing pile machine, a drill rod blade is arranged on the drill rod, and the drill rod blade rotates to cut a soil layer to mix cement slurry and original soil to form fluid cement soil.

The drill rod blades can generate cement and soil consolidation in the rotating process, the solidified cement and soil are attached to the drill rod blades, the drill rod blades lose the stirring function, the formed stirring pile is unqualified in quality, the pile body is poor in uniformity, and the construction efficiency is low. Namely, when the drill rod blade is constructed in a cohesive soil layer, clay is easily adhered to the drill rod blade and rotates together with the drill rod blade, so that the pile-forming stirring effect is influenced.

The traditional pile-planting drill rod is low in rigidity, and the perpendicularity and cylindricity of a formed pile are poor, so that the pile forming effect is influenced on one hand, and cement slurry is wasted on the other hand.

Therefore, the need of designing a novel mixing pile construction device is very urgent.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the problems in the prior art and provide stirring pile construction equipment with a stirring frame.

In order to solve the problems, the technical scheme of the invention is as follows:

the utility model provides a stirring stake construction equipment with stirring frame, includes the pile frame, is provided with the drilling rod on the pile frame, and the drilling rod lower part is provided with the stirring frame, and tip center cover is on the drilling rod about the stirring frame, and the drilling rod lower part is equipped with the drilling rod blade, and the stirring frame inboard sets up stirring vane.

The stirring frame center is provided with and is used for stable axle sleeve, and the drilling rod passes in the middle of the axle sleeve, and the drilling rod rotates at axle sleeve limit range.

The stirring frame is of a vertical frame structure, the upper end and the lower end of the frame are both transverse plates, the transverse plates are connected with the shaft sleeve, the other ends of the transverse plates are connected with the vertical plates, and the stirring blades are arranged on the inner sides of the vertical plates; the stirring surfaces are formed by two transverse plates, a vertical plate and stirring blades on the inner sides of the vertical plates, and the stirring frame is formed by a plurality of stirring surfaces arranged on the circumference of the drill rod.

The stirring blades and the drill rod blades are arranged in a staggered mode in a mutually crossed mode.

The stirring blades are vertical blades or oblique blades, or a combined structure of the vertical blades and the oblique blades.

An outer sleeve is arranged on the drill rod, and the lower end of the outer sleeve is connected with the stirring frame.

The stirring frame is relatively fixed, the sleeve is also relatively fixed, the drill rod rotates relatively, and the stirring frame is lifted along with the drill rod when the drill rod is lifted.

The sleeve pipe is connected with the pile frame through the guide sliding block, and the sleeve pipe slides up and down through the guide sliding block.

The drill rod is not provided with an outer-layer sleeve, the stirring frame is sleeved on the drill rod through a shaft sleeve, and the stirring frame is driven without power.

The stirring frame is a rotatable stirring frame, the stirring frame and the drill rod rotate respectively, and the stirring frame is lifted along with the drill rod when the drill rod is lifted.

The stirring frame and the drill rod rotate in opposite directions.

The stirring frame and the drill rod rotate in the same direction.

The pile frame is provided with a power head, the power head is provided with two output ends, and the two output ends which are different in steering are respectively connected with the sleeve and the drill rod.

The drill rod and the sleeve are respectively connected with a set of power device.

The drill rod and the casing pipe share one set of power device, and the power device is provided with two output ends through a gearbox.

An upper grout spraying port and a lower grout spraying port are arranged on the drill rod, the lower grout spraying port is positioned at the bottom end of the drill rod, and the upper grout spraying port is positioned above the lower grout spraying port.

And protective covers for protecting the guniting ports are arranged beside the lower guniting port and the upper guniting port.

The construction equipment has the beneficial effects that the stirring frame is arranged, so that the front end of the drill rod is prevented from shaking, and the vertical drilling in the drilling process is ensured.

The drill rod blades and the stirring blades cut the soil body mutually within the range of the stirring frame, so that the soil body and the cement slurry are fully stirred, and the pile forming effect is good.

The stirring frame is provided with the stirring blades, the drill rod blades and the stirring blades move relatively, and when the drill rod blades sweep over the stirring blades, the clay adhered to the stirring blades is cleaned, so that the pile-forming stirring effect is improved.

The stirring blades on the stirring frame and the drill rod blades on the drill rod are in a mutually crossed and overlapped structure and move relatively to form the lapping effect of the cement-soil pile, so that the stirring pile body is fully stirred, and the pile forming uniformity is good. The lap joint length of the stirring blade and the drill rod blade is selected according to the actual condition of the soil body.

Drawings

The invention is described in detail below with reference to the drawings and the detailed description;

fig. 1 is a schematic view of the overall structure of the construction equipment of the present invention.

Fig. 2 is a schematic view of a portion of a drilling tool according to the present invention.

Fig. 3 is a schematic structural view of the stirring frame according to the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

Referring to fig. 1, the equipment for pile planting construction in this embodiment includes a pile frame 1, a drill rod 2 is arranged on the pile frame, and the drill rod 2 is used for forming a cement-soil mixing pile; the drill rod 2 is provided with a power head 3, and the power head 3 is internally provided with a motor. The front end of the drill rod is provided with a stirring frame 6.

Referring to fig. 2 and 3, the upper end and the lower end of the stirring frame 6 are sleeved on the drill rod, the lower part of the drill rod 2 is provided with a drill rod blade 21, and the inner side of the stirring frame is provided with a stirring blade 61. The stirring frame center is provided with a shaft sleeve 62 for stability, a drill rod penetrates through the middle of the shaft sleeve 62, and the drill rod rotates in the limit range of the shaft sleeve.

The stirring frame 6 is of a vertical frame structure, the upper end and the lower end of the frame are both a transverse plate 63 which is connected with the shaft sleeve, the other end of the transverse plate is connected with a vertical plate 64, and the stirring blades are arranged on the inner side of the vertical plate; the two transverse plates 63, the vertical plate 64 and the stirring blades 61 on the inner side of the vertical plate form a stirring surface, and the stirring frame 6 consists of a plurality of stirring surfaces arranged on the circumference of the drill rod.

The stirring blades 61 and the drill rod blades 21 are arranged in a staggered mode in a crossing mode. The stirring blade 61 and the drill rod blade 21 have mutual cutting action, the cement grout is fully stirred, and the pile forming effect is good.

The stirring blades 61 are vertical blades or oblique blades, or a combination structure of the vertical blades and the oblique blades.

In the embodiment, the upper end and the lower end of the stirring frame 6 are arranged on the drill rod through the shaft sleeve 62, the stirring frame 6 is lifted along with the lifting of the drill rod, the stirring frame 6 is inserted into the soil, and the vertical plate and the transverse plate generate resistance, so that the stirring frame 6 does not rotate, only the drill rod rotates, and the soil body mixing effect in the stirring frame range is achieved.

The foremost end of the drill rod is a drill bit 22 which extends out of the boundary of the lower end of the stirring frame.

And the bottom end of the drill rod 2 is provided with a lower slurry spraying port and an upper slurry spraying port positioned above the lower slurry spraying port. The lower guniting port is positioned at the bottommost end, and the upper guniting port is positioned at the upper part of the stirring frame; during the lifting and descending processes of the drill rod, cement slurry sprayed up and down near the stirring frame is fully stirred.

In order to protect the guniting port from being blocked, small blades for protecting the guniting port are arranged beside the lower guniting port and the upper guniting port.

Example 2

The drill rod 2 is provided with a sleeve, and the drill rod is positioned in the center of the sleeve. The drill rod 2 rotates, while the casing is fixed against rotation relative to the drill rod 2. The upper end of the sleeve is connected with the shell of the power head. The sleeve pipe middle part sets up slidable direction slider 5, and direction slider 5 hoops in the sleeve pipe outside, and 5 opposite sides of direction slider set up on the leading truck of pile frame 1, and when the sleeve pipe goes up and down, direction slider 5 goes up and down along with. The lower end of the sleeve is connected with a stirring frame 6. The cross section of the sleeve is in a cross shape, the left side and the right side of the sleeve are channel steel with outward openings, the front side and the rear side of the sleeve are channel steel with inward openings, and the guide sliding block 5 is clamped in a channel steel groove with outward openings. The upper part of the stirring frame is provided with a closing-in which is connected with the bottom end of the sleeve. The stirring frame 6 and the sleeve are fixed together and do not rotate.

In order to facilitate butt joint and disassembly, the closing-in 62 is provided with a butt flange, the bottom end of the sleeve is provided with the butt flange, and the stirring frame and the sleeve are fixed through bolts and the butt flange.

In the process of drilling down, the sleeve is fixed and does not rotate, the stirring frame does not rotate, only the drill rod rotates, and the verticality of the cement soil pile body in the process of drilling down is effectively guaranteed. The verticality deviation is within 0.5 percent.

The sleeve is surrounded by four channel steel, the section of the channel steel is concave, and the concave opening faces outwards. The sleeve pipe is hooped to direction slider 5 one side, and leading truck 7 is hooped to the opposite side, and direction slider 5 passes through the flexible rope and connects on the unit head casing, and when the drilling rod was whole to be promoted, the flexible rope promoted direction slider 5 to the middle part position of drilling rod height, and when drilling down, direction slider 5 descends along with it, when direction slider fell to the drilling rod bottom and protects a section of thick bamboo position, protects a section of thick bamboo and blocks direction slider 5 and continue to fall, and the distance between direction slider and the unit head shortens until drilling down and accomplish. When the power head is lifted to half height, the flexible rope is straightened, and the guide slide block 5 is pulled upwards until the lifting is finished.

In embodiment 3, a circular casing is arranged on the drill rod 2, and the drill rod 2 is positioned in the center of the casing. The drill rod 2 rotates and the casing can rotate in the opposite direction with respect to the drill rod 2. The upper end of the sleeve is connected with one path of torque output end of the power head. The lower end of the sleeve is connected with a stirring frame 6. The power head drives the sleeve to rotate, and the sleeve drives the stirring frame 6 to rotate. The stirring frame 6 can rotate independently of the drill rod, and the rest is the same as the embodiment 2.

The equipment in the embodiment is single-shaft drilling machine equipment, and is used for cutting and stirring soil at a pile position, mixing the soil with a curing agent to form a cement stirring body, and inserting the cement stirring body into a prefabricated pile body to form a composite pile foundation.

The construction process is as follows:

(1) in position

And moving the pile frame to the designated pile position to align the center of the drill bit with the designed pile position.

(2) Preparation of cement paste

And mixing cement paste according to the designed ash amount, pile length and water-cement ratio, and sieving the mixed cement paste to enter a collecting hopper.

(3) Stirred and sunk

After the pile is positioned, the motor is started, the hoisting steel wire rope is released, the mixer is enabled to cut soil and sink along the upright post guide frame while stirring, and cement slurry is sprayed into the lower slurry spraying port, so that a small amount of water can be sprayed properly when drilling is difficult.

(4) Guniting, stirring and lifting

After the drill bit sinks to the design degree of depth, the drill bit is lifted while being stirred in a rotating mode, cement slurry is sprayed into the upper slurry spraying opening, the drill bit is lifted strictly according to the required lifting speed during lifting, and the stirrer sprays specified cement slurry.

(5) Repeated agitation sinking and lifting

And (5) re-stirring according to design requirements, and lifting the drill rod after the re-stirring is finished.

(6) Cleaning of

And (3) injecting a proper amount of clear water into the collection hopper, starting a mortar pump, and cleaning residual cement paste in all pipelines until the cement paste is basically clean. And the soft soil adhered on the stirring head is removed.

In the steps (3), (4) and (5), the clay adhered to the blades of the drill rod is cleaned by using the stirring frame 6 arranged on the drill rod, the stirring blades interact with the drill rod blades, and the cement slurry is fully stirred to form the stirring pile.

And (4) after sinking to the designed depth, performing fixed spraying to form an expanded head at the bottom of the stirring pile and increase the bearing capacity of the pile bottom.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited by the foregoing examples, which are provided to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is also intended to be covered by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.