CN213928227U

CN213928227U - Large-aperture rotary drilling grouting device

Info

Publication number: CN213928227U
Application number: CN202021460004.5U
Authority: CN
Inventors: 宋小瑜; 张先瑞; 张阳; 陈家均
Original assignee: 11th Construction Co ltd Of Sichuan Province
Current assignee: 11th Construction Co ltd Of Sichuan Province
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-08-10
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a slip casting device is dug soon to large aperture, including digging the rig soon, it has the crane to dig the top surface of rig soon through fixing base swing joint, and the inside of crane is provided with the lead screw, elevator motor is installed through the shaft coupling to the tip of lead screw, the surface mounting of lead screw has the thread bush, the other end of thread bush has cup jointed and has dug a section of thick bamboo soon. The utility model discloses a slip casting shower nozzle, the slip casting pipe, whitewash the frame, the brush roller, dig the drill bit soon and dig mutually supporting of axle soon, realized carrying out limit drilling limit slip casting construction to the stake hole of pore-forming and consolidate, the quality of digging the pore-forming soon has been guaranteed, drill to the earth's surface through digging the drill bit soon, inner wall through the slip casting shower nozzle to the stake hole sprays, make the thick liquid consolidate the deep hole wall of boring, handle the prevention and cure of collapsing the hole and play positive effect, whitewash the frame and whitewash the roller through setting up, whitewash the drilling inner wall, very big reduction the waste of thick liquid.

Description

Large-aperture rotary drilling grouting device

Technical Field

The utility model relates to a construction technical field especially relates to a slip casting device is dug soon to large aperture.

Background

With the rapid development of the basic construction of China, particularly urban construction, and the wide application of high-rise building pile foundations, the bored pile of the rotary drilling rig is favored by the characteristics of safety, environmental protection, rapidness and high efficiency. However, the popularization of new equipment and new technology is accompanied with the improvement and perfection process, and after a rotary drilling rig is introduced and put into use by a construction unit, the hole collapse phenomenon becomes the largest obstacle in the hole forming technology process of the rotary drilling rig.

In the construction process of the existing rotary drilling rig, due to the fact that soft soil of a soil silt layer and a powdery clay layer is extremely thick and is partially sanded, liquefaction and hole collapse phenomena are prone to occurring, the rotary drilling hole forming speed is high, a drilling bucket lifts the drill repeatedly during slag discharging to directly discharge slag, when the drill lifting speed is too high, negative pressure is generated at the lower part of a drill bit to form a piston type ground suction effect, and the slag discharging seriously damages the stratum through repeated suction, so that the hole collapse phenomenon is seriously caused; after the drilling of the rotary drilling construction is completed, the underground water level is easy to rise, concrete is not poured in time, the stratum is easily soaked by underground water, the hole site is necked down, dropped and collapsed, and if not taken care of, serious quality and safety accidents are likely to occur in the subsequent construction process.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Not enough to prior art, the utility model provides a slip casting device is dug soon to large aperture to the hole problem of collapsing appears in the stake hole of digging drilling operation soon to solve.

Technical scheme

In order to realize the advantages, the utility model adopts the following specific technical scheme:

a large-aperture rotary drilling grouting device comprises a rotary drilling rig, wherein a lifting frame is movably connected to the top end surface of the rotary drilling rig through a fixing base, a lead screw is arranged inside the lifting frame, a lifting motor is installed at the end of the lead screw through a coupler, a threaded sleeve is installed on the surface of the lead screw, a rotary drilling barrel is sleeved at the other end of the threaded sleeve, a rotary drilling shaft is installed inside the rotary drilling barrel through a supporting frame, insections are arranged on the end surface of the rotary drilling shaft, a driving motor is installed on the surface of the rotary drilling barrel through a fixing block, a gear is installed at the output end of the driving motor and meshed with the insections, a rotary drilling bit is installed at the other end of the rotary drilling shaft, a groove is formed in the rotary drilling shaft in a penetrating mode, a grouting pipe is installed inside the groove, a grouting spray nozzle is installed at the end of the grouting pipe, and a stirring mechanism is installed on the top end surface of the rotary drilling rig, the discharge port of the stirring mechanism is connected with the conveying pump through a pipeline, a valve is arranged on the surface of the pipeline, and the conveying pump is movably connected with the rotary digging shaft through a hose.

Furthermore, the hot-blast main is installed through the mounting bracket to the surface of digging a section of thick bamboo soon, and the surface equidistance of hot-blast main installs hot air nozzle, dig the top surface mounting who digs the rig soon and have the air heater, and the air heater is connected with the hot-blast main through the hose.

Further, rabbling mechanism comprises agitator tank, agitator motor and (mixing) shaft, the top surface of agitator tank is provided with agitator motor, the internally mounted of agitator tank has the (mixing) shaft, and agitator motor is connected with the (mixing) shaft through the shaft coupling.

Furthermore, hydraulic support legs are mounted on the side face of the rotary drilling rig and are provided with a plurality of hydraulic support legs, and the side faces of the rotary drilling rig are mounted on the plurality of hydraulic support legs at equal intervals.

Furthermore, a driving cabin is arranged on the top end surface of the rotary drilling rig, and a controller is arranged inside the driving cabin.

Furthermore, two sides of the grouting pipe are provided with a brushing frame, and a brushing roller is installed on one side of the brushing frame.

Furthermore, the surface of slip casting pipe is provided with the internal thread screw thread, one side of slip casting shower nozzle be provided with the internal thread screw thread phase-match use external thread screw thread.

Furthermore, a protective cover is arranged on the outer surface of the hot air pipe, and the protective cover is made of a ventilating material.

Advantageous effects

Compared with the prior art, the utility model provides a slip casting device is dug soon to large aperture possesses following beneficial effect:

(1) the utility model discloses a slip casting shower nozzle, the slip casting pipe, whitewash the frame, the brush roller, dig the drill bit soon and dig mutually supporting of axle soon, realized carrying out limit drilling limit slip casting construction to the stake hole of pore-forming and consolidate, the quality of digging the pore-forming soon has been guaranteed, drill to the earth's surface through digging the drill bit soon, spray the inner wall through the slip casting shower nozzle to the stake hole, make the thick liquid consolidate the deep hole wall of boring, handle the prevention and cure of collapsing the hole and play positive effect, through setting up brush frame and brush roller, whitewash the drilling inner wall, very big reduction the waste of thick liquid.

(2) The utility model discloses a set up the air heater, after spraying the thick liquid to the drilling inner wall, start the air heater, to the inside hot-blast that lets in of drilling for the setting rate of thick liquid shortens the setting time of thick liquid, thereby shortens construction period, has improved the practicality and the variety of device greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a large-aperture rotary drilling grouting device according to an embodiment of the present invention;

fig. 2 is a schematic view of a rotary drilling shaft structure of a large-aperture rotary drilling grouting device according to an embodiment of the utility model;

fig. 3 is a schematic structural view of a rotary drilling cylinder of a large-aperture rotary drilling grouting device according to an embodiment of the utility model;

fig. 4 is a schematic structural diagram of a position a of a large-aperture rotary drilling grouting device according to the embodiment of the utility model.

In the figure:

1. a rotary drilling rig; 2. a lifting frame; 3. a lifting motor; 4. rotating the cylinder; 5. rotating the shaft in a rotary manner; 6. a drive motor; 7. rotary excavating a drill bit; 8. a brush holder; 9. a brush roller; 10. grouting nozzles; 11. a stirring box; 12. a transfer pump; 13. a stirring mechanism; 14. a hydraulic leg; 15. a stirring shaft; 16. a stirring motor; 17. a hot air blower; 18. a mounting frame; 19. a hot air pipe; 20. a hot air shower nozzle; 21. a threaded sleeve; 22. and (4) grouting pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

According to the utility model discloses an embodiment provides a slip casting device is dug soon to large aperture.

Referring to the drawings and the detailed description, as shown in fig. 1-4, a large-aperture rotary drilling grouting device according to an embodiment of the invention comprises a rotary drilling rig 1, wherein a crane 2 is movably connected to the top surface of the rotary drilling rig 1 through a fixing seat, a lead screw is arranged inside the crane 2, a lifting motor 3 is arranged at the end of the lead screw through a coupling, a threaded sleeve 21 is arranged on the surface of the lead screw, a rotary drilling cylinder 4 is sleeved at the other end of the threaded sleeve 21, a rotary drilling shaft 5 is arranged inside the rotary drilling cylinder 4 through a supporting frame, insections are arranged on the surface of the end part of the rotary drilling shaft 5, a driving motor 6 is arranged on the surface of the rotary drilling cylinder 4 through a fixing block, a gear is arranged at the output end of the driving motor 6 and meshed with the insections, a rotary drilling bit 7 is arranged at the other end of the rotary drilling shaft 5, a groove is formed inside the rotary drilling shaft 5, the grouting pipe 22 is arranged inside the groove, the grouting nozzle 10 is arranged at the end part of the grouting pipe 22, the stirring mechanism 13 is arranged on the top end surface of the rotary drilling rig 1, the discharge port of the stirring mechanism 13 is connected with the conveying pump 12 through a pipeline, the surface of the pipeline is provided with a valve, the conveying pump 12 is movably connected with the rotary drilling shaft 5 through a hose, the grouting nozzle 10, the grouting pipe 22, the painting frame 8, the painting roller 9, the rotary drilling bit 7 and the rotary drilling shaft 5 are matched with each other, so that the drilling and grouting construction reinforcement of the drilled pile hole is realized at the same time, the quality of the rotary drilling hole is ensured, the earth surface is drilled through the rotary drilling bit 7, the grouting nozzle 10 is used for spraying the inner wall of the pile hole, so that grout reinforces the wall of the drilled hole, the prevention and treatment of hole collapse are achieved, the painting frame 8 and the painting roller 9 are arranged for painting the inner wall of the drilled hole, greatly reduces the waste of the slurry.

In one embodiment, the hot-blast main 19 is installed through mounting bracket 18 to the surface of revolving section of thick bamboo 4 soon, and hot-blast shower nozzle 20 is installed to the surperficial equidistance of hot-blast main 19, dig the top surface mounting who digs rig 1 soon and have hot-blast fan 17, and hot-blast fan 17 is connected with hot-blast main 19 through the hose, through setting up hot-blast fan 17, after spraying the thick liquid to the drilling inner wall, start hot-blast fan 17, to the inside hot-blast that lets in of drilling for the solidification rate of thick liquid, shorten the setting time of thick liquid, thereby shorten construction period, the practicality and the variety of device have been improved greatly.

In one embodiment, the stirring mechanism 13 is composed of a stirring box 11, a stirring motor 16 and a stirring shaft 15, the stirring motor 16 is arranged on the top end surface of the stirring box 11, the stirring shaft 15 is installed inside the stirring box 11, the stirring motor 16 is connected with the stirring shaft 15 through a coupler, and the stirring mechanism 13 is arranged to stir raw materials and water to ensure slurry and uniformity.

In one embodiment, the hydraulic legs 14 are installed on the side face of the rotary drilling rig 1, the hydraulic legs 14 are provided in a plurality, the plurality of hydraulic legs 14 are installed on the side face of the rotary drilling rig 1 at equal intervals, the stability of the rotary drilling rig 1 is greatly improved by arranging the plurality of hydraulic legs 14, the hydraulic legs 14 belong to common knowledge in the field, and are only used without being transformed, so that the detailed description of a control mode and circuit connection is omitted.

In one embodiment, a cockpit is disposed on the top end surface of the rotary drilling rig 1, a controller is disposed inside the cockpit, the controller (not shown) is disposed to facilitate control of the rotary drilling rig 1, and a controller control circuit can be implemented through simple programming by a technician in the field.

In one embodiment, the two sides of the grouting pipe 22 are provided with the brushing frames 8, one side of each brushing frame 8 is provided with the brushing roller 9, and the inner wall of the drilled hole is brushed by arranging the brushing rollers 9, so that the grout can be quickly and uniformly coated on the surface of the inner wall of the drilled hole.

In one embodiment, the surface of the grouting pipe 22 is provided with an internal thread, one side of the grouting nozzle 10 is provided with an external thread matched with the internal thread for use, so that a detachable thread structure is formed between the grouting nozzle 10 and the grouting pipe 22, the assembly and the installation are convenient, and the grouting nozzle 10 is convenient to detach and maintain.

In one embodiment, the outer surface of the hot air pipe 19 is provided with a protective cover, and the protective cover is made of a ventilation material, so that the hot air nozzle 20 is prevented from being blocked and the hole forming time is prevented from being influenced by the protective cover.

The working principle is as follows:

when in use, the rotary drilling rig 1 is moved to a proper place and is supported by the hydraulic support legs 14, the stability of the rotary drilling rig 1 is greatly improved, then a proper amount of raw materials and water are poured into the stirring box 11 and stirred to obtain slurry after stirring treatment, then the earth surface is drilled by the rotary drilling bit 7, the inner wall of a pile hole is sprayed by the grouting spray head 10, so that the slurry reinforces the wall of the drilled deep hole, positive effect on preventing and treating collapse is achieved, the inner wall of the drill hole is whitewashed by the whitewashing frame 8 and the whitewashing roller 9, the waste of the slurry is greatly reduced, and the grouting construction reinforcement while drilling is carried out on the drilled pile hole is realized by mutual matching of the grouting spray head 10, the grouting pipe 22, the whitewashing frame 8, the whitewashing roller 9, the rotary drilling bit 7 and the rotary drilling shaft 5, so that the quality of hole formation is ensured, through setting up air heater 17, after spraying the thick liquid to the drilling inner wall, start air heater 17, to the inside hot-blast that lets in of drilling for the setting speed of thick liquid shortens the setting time of thick liquid, thereby shortens construction period, has improved the practicality and the variety of device greatly.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The large-aperture rotary drilling grouting device comprises a rotary drilling rig (1), and is characterized in that the top end surface of the rotary drilling rig (1) is movably connected with a lifting frame (2) through a fixing seat, a lead screw is arranged in the lifting frame (2), a lifting motor (3) is arranged at the end part of the lead screw through a coupler, a thread sleeve (21) is arranged on the surface of the lead screw, a rotary drilling barrel (4) is sleeved at the other end of the thread sleeve (21), a rotary drilling shaft (5) is arranged in the rotary drilling barrel (4) through a supporting frame, insections are arranged on the surface of the end part of the rotary drilling shaft (5), a driving motor (6) is arranged on the surface of the rotary drilling barrel (4) through a fixing block, a gear is arranged at the output end of the driving motor (6) and is meshed with the insections, a rotary drilling bit (7) is arranged at the other end of the rotary drilling shaft (5), dig the inside of axle (5) soon and run through and seted up the recess, the internally mounted of recess has slip casting pipe (22), slip casting shower nozzle (10) are installed to the tip of slip casting pipe (22), the top surface mounting who digs rig (1) soon has rabbling mechanism (13), the discharge gate of rabbling mechanism (13) is connected with transfer pump (12) through the pipeline, and the surface mounting of pipeline has the valve, transfer pump (12) are through the hose with dig axle (5) swing joint soon.

2. The large-aperture rotary excavating grouting device according to claim 1, wherein a hot air pipe (19) is mounted on the surface of the rotary excavating cylinder (4) through a mounting frame (18), and hot air nozzles (20) are mounted on the surface of the hot air pipe (19) at equal intervals.

3. The large-aperture rotary drilling grouting device according to claim 2, wherein a hot air blower (17) is mounted on the top end surface of the rotary drilling rig (1), and the hot air blower (17) is connected with a hot air pipe (19) through a hose.

4. The large-aperture rotary grouting device according to claim 1, wherein the stirring mechanism (13) is composed of a stirring box (11), a stirring motor (16) and a stirring shaft (15), and the stirring motor (16) is arranged on the top end surface of the stirring box (11).

5. The large-aperture rotary grouting device according to claim 4, wherein a stirring shaft (15) is installed inside the stirring box (11), and the stirring motor (16) is connected with the stirring shaft (15) through a coupler.

6. The large-aperture rotary drilling grouting device according to claim 1, wherein a plurality of hydraulic legs (14) are arranged on the side surface of the rotary drilling rig (1), and the plurality of hydraulic legs (14) are equidistantly arranged on the side surface of the rotary drilling rig (1).

7. The large-aperture rotary drilling grouting device according to claim 1, wherein a driving cabin is arranged on the top end surface of the rotary drilling rig (1), and a controller is arranged inside the driving cabin.

8. The large-aperture rotary excavating grouting device according to claim 1, characterized in that two sides of the grouting pipe (22) are provided with a brushing frame (8), and a brushing roller (9) is installed on one side of the brushing frame (8).

9. The large-aperture rotary excavating grouting device according to claim 1, characterized in that an internal thread is arranged on the surface of the grouting pipe (22), and an external thread matched with the internal thread is arranged on one side of the grouting nozzle (10).

10. The large-aperture rotary excavating grouting device according to claim 2, characterized in that a protective cover is arranged on the outer surface of the hot air pipe (19), and the protective cover is made of a ventilating material.