CN117703272A - Water conservancy building fills hole reaming device - Google Patents

Abstract

A water conservancy building pouring hole reaming device comprises an inner drill body and a first-stage pile casing; the inner drill body is used for tunneling, and the first-stage protection cylinder is used for supporting and protecting the working face finished by the inner drill body; the inner drill body comprises a limit boss and a spiral blade, the limit boss is arranged at the front end of the spiral blade, and the limit boss extends outwards along the radial direction; the first-stage protection cylinder is sleeved on the inner drill body, a rotary pair is formed between the inner drill body and the first-stage protection cylinder, and a cavity is formed between the inner drill body and the first-stage protection cylinder; the primary pile casing comprises a submersible drill boss and a conversion pipeline, wherein the submersible drill boss is arranged between the limiting boss and the spiral blade, and the submersible drill boss is arranged close to the inwards drill body along the radial direction; the center of the submersible drill boss is provided with a through hole, the through hole is used for accommodating the inner drill body, and the submersible drill boss is provided with a strip-shaped groove; a convex workbench is formed between the adjacent strip-shaped grooves, and drilling teeth are arranged on the convex workbench.

Description

Water conservancy building fills hole reaming device

Technical Field

The invention belongs to the technical field of water conservancy construction, and particularly relates to a water conservancy building pouring hole reaming device.

Background

Bored piles refer to cast-in-place piles in which a pile hole is bored at a pile location using a boring machine. Various types of drilling machines include a screw drill, a submersible drill, and a percussion drill. The bored pile has no noise and vibration, has little influence on environment and large bearing capacity, and is widely applied to engineering as a form of basic bearing capacity along with the construction of various hydraulic buildings.

During construction, the construction site is generally required to be isolated by using a fence, water is pumped out, and holes are drilled for multiple times to reach the diameter required to be constructed. When in drilling, the prior art adopts drills with different diameters to directly drill, but sand, soil and the like drilled by the drills are easy to drop in the reaming process, so that the original drilling is blocked.

Bulletin number: CN219095537U discloses a reaming device for construction engineering, through which the user can collect the dust that produces when the construction engineering punches the reaming, prevents the influence of dust to the environment. The telescopic component allows dust cleaning according to the punching depth and is suitable for the punching and reaming of various constructional engineering with different depths.

Bulletin number: CN218669224U discloses a drilling reamer bit for building investigation, which is disassembled by an inner hexagonal screwdriver, and then the drilling teeth are knocked from bottom to top by an external tool, and in the process of moving up and falling off of the drilling teeth, the pushing beads are extruded into the mounting groove by the positioning groove until the sliding block and the sliding groove of the drilling teeth are separated, so that the worn drilling teeth are replaced.

In hydraulic construction, the problem that exists among the bored concrete pile work progress is, prior art is at the in-process of reaming easily leads to impurity such as grit, soil that is bored to drop to the jam original drilling. This can affect the efficiency of construction, increase the cleaning effort, and possibly even the quality and performance of the cast-in-place pile; however, the prior art lacks effective technical measures, how to realize reaming, prevent blockage and lacks effective technical measures, so that improvement is needed.

Disclosure of Invention

In view of this, facing the deficiency of the prior art, the object of the present application is to provide a hydraulic building pouring hole reaming device, which is convenient for preventing from blocking the original drilling hole in the drilling process.

To achieve the above and other related objects, the present application provides a hydraulic construction pouring hole reaming device, including an inner drill body, a primary casing; the inner drill body is used for tunneling, and the first-stage protection cylinder is used for supporting and protecting the working face finished by the inner drill body;

the inner drill body comprises a limit boss and a spiral blade, the limit boss is arranged at the front end of the spiral blade, and the limit boss extends outwards along the radial direction;

the first-stage protection cylinder is sleeved on the inner drill body, a rotary pair is formed between the inner drill body and the first-stage protection cylinder, and a cavity is formed between the inner drill body and the first-stage protection cylinder; the primary pile casing comprises a submersible drill boss and a conversion pipeline, wherein the submersible drill boss is arranged between the limiting boss and the spiral blade, and the submersible drill boss is arranged close to the inwards drill body along the radial direction; the center of the submersible drill boss is provided with a through hole, the through hole is used for accommodating the inner drill body, and the submersible drill boss is provided with a strip-shaped groove; a convex workbench is formed between the adjacent strip-shaped grooves, and drilling teeth are arranged on the convex workbench.

The application provides a technical scheme still has following technical feature:

preferably, in an embodiment of the present application, the shape of the profile of the drilling gear is a semi-ellipse, and the technical effect is that the shape of the profile of the drilling gear with a semi-ellipse can be reamed more effectively and stably, so as to improve the stability and efficiency of construction.

Preferably, in an embodiment of the present application, the surface of the drill tooth is provided with a diamond wear-resistant layer and a surface rust-proof layer, and the diamond wear-resistant layer increases the wear resistance of the drill tooth and prolongs the service life; the surface antirust layer can prevent corrosion and improve the durability of the device.

Preferably, in an embodiment of the present application, the screw blade is disposed on an outer circumferential surface of an end of the inner drill body away from the limiting boss, and by this arrangement, the screw blade can perform reaming operation more effectively, reducing the possibility of dropping impurities.

Preferably, in an embodiment of the present application, the protruding worktable is provided with a threaded hole, and the drilling tooth is integrally formed with a threaded portion in threaded connection with the threaded hole, so that the drilling tooth can be more firmly fixed on the protruding worktable, and stability and durability of the device are increased.

Preferably, in an embodiment of the present application, an air inlet end of the negative pressure pump and an end of the primary casing, which is far away from the submersible drill boss, are detachably arranged, so that a user is allowed to conveniently detach the connection between the negative pressure pump and the primary casing; this flexibility facilitates easier maintenance, cleaning or replacement, improving the maintainability and operability of the overall system.

Preferably, in an embodiment of the present application, a conversion pipeline is disposed at an end of the primary casing far away from the submersible drill boss, the conversion pipeline is coaxially disposed with the inner drill body, and a rotation pair conversion pipeline is formed between the conversion pipeline and the primary casing and rotates relative to the inner drill body and the primary casing; a conversion pipeline is arranged at a specific position of the primary protective cylinder, and the pipeline is coaxially arranged with the inner drill body and forms a rotary pair; the conversion pipeline is rotatable relative to the inner drill body and the primary casing; the first-stage protection cylinder and the inner drill body form flexible rotary connection; the flexibility is beneficial to adapting to different construction conditions, and the operability and applicability of the device are improved.

Preferably, in an embodiment of the present application, a joint for connecting the negative pressure pump is provided at one end of the conversion pipe embedded in the first stage casing; one end of the conversion pipeline is embedded into the first-stage protection cylinder, and the other end of the conversion pipeline is provided with a joint for connecting a negative pressure pump; allowing the transfer tubing to be directly in close connection with the primary casing while being conveniently connected to the negative pressure pump; the assembly and disassembly processes of the system are simplified, and the overall operability is improved.

Preferably, in an embodiment of the present application, the limiting boss is provided with an annular groove, the submersible drill boss is provided with a ball, a rolling pair is formed between the ball and the submersible drill boss, and the ball is limited in the annular groove; the relative movement between the limiting boss and the submersible drilling boss is stable, vibration is reduced, and stability and precision of the device in the reaming process are improved.

Preferably, in an embodiment of the present application, the unmanned construction technology of the propulsion device reduces the dependence on manpower and improves the safety and efficiency of construction through a remote monitoring and autonomous navigation system.

Preferably, in an embodiment of the present application, the extracted impurities such as sand, soil, etc. are effectively treated and even reused in other projects, so as to realize sustainable utilization of resources.

The beneficial effects of this application lie in:

1. the technical aim of the invention is achieved through the limit boss and sleeve structure, the design of the limit boss and the sleeve of the inner drill body is introduced, the limit boss can prevent impurities from falling off in the reaming process, and the limit boss plays a role in limit and guide; the rotary structure of the sleeve and the inner drill body ensures the controllable rotation of the equipment in the construction process of the cast-in-situ pile, thereby better adapting to different construction requirements.

2. According to the technical scheme, the technical targets are achieved through the submersible drill boss and the strip-shaped workbench, the submersible drill boss and the strip-shaped workbench are introduced, the strip-shaped workbench formed through the design of the submersible drill boss is provided with the drill teeth with the semi-elliptical outline, stable reaming is facilitated, and impurity dropping is reduced.

3. According to the method, the following technical targets are achieved through the negative pressure pump and the conversion pipe, the negative pressure pump and the optional conversion pipe are introduced, impurities are extracted through the action of the negative pressure pump, the drilling is prevented from being blocked, and the construction efficiency is improved; the arrangement of the conversion pipe enables the equipment to be more flexible, and the negative pressure pump is conveniently connected, so that different working conditions can be better handled.

4. The following technical target has been realized through the cooperation of ball and spacing boss to this application, sets up annular groove on spacing boss, installs rotatable ball on the diving bores the boss, through the rotation of ball in annular groove, makes equipment more stable at reaming in-process, reduces the vibration.

Drawings

FIG. 1 is a schematic perspective view of a hydraulic construction pouring hole reaming device of the present invention;

fig. 2 is a schematic structural diagram of a hydraulic construction pouring hole reaming device according to an embodiment of the present invention.

In the figure:

1. inner drill body

2. Primary protective cylinder

3. Drilling surface

11. Spacing boss

12. Spiral blade

21. Submersible drill boss

22. Conversion pipeline

111. Annular groove

211. Through hole

212. Strip-shaped groove

213. Raised workbench

214. Drilling tooth

215. And (3) rolling balls.

Detailed Description

The following detailed description of the embodiments of the present application is provided in further detail with reference to the accompanying drawings. These embodiments are provided only for the purpose of illustrating the present application and are not intended to be limiting of the invention.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on those shown in the drawings, are merely for convenience of describing the present invention and to simplify the description, and do not indicate or imply that the devices or elements 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. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention will be understood by those of ordinary skill in the art in light of the specific circumstances.

Furthermore, in the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

Referring to fig. 1 and 2, a hydraulic building pouring hole reaming device comprises an inner drill body 1 and a primary casing 2; the inner drill body 1 is used for tunneling, and the primary pile casing 2 is used for supporting and protecting the working surface finished by the inner drill body 1;

the inner drill body 1 comprises a limit boss 11 and a spiral blade 12, wherein the limit boss 11 is arranged at the front end of the spiral blade 12, and the limit boss 11 extends outwards along the radial direction;

the first-stage protection cylinder 2 is sleeved on the inner drill body 1, a rotating pair is formed between the inner drill body 1 and the first-stage protection cylinder 2, and a cavity is formed between the inner drill body 1 and the first-stage protection cylinder 2; the primary pile casing 2 comprises a submersible drill boss 21 and a conversion pipeline 22, wherein the submersible drill boss 21 is arranged between the limiting boss 11 and the spiral blade 12, and the submersible drill boss 21 is arranged close to the radially inward drill body 1; a through hole 211 is formed in the center of the submersible drilling boss 21, the through hole 211 is used for accommodating the inner drill body 1, and a strip-shaped groove 212 is formed in the submersible drilling boss 21; a raised working table 213 is formed between the adjacent strip-shaped grooves 212, and drilling teeth 214 are arranged on the raised working table 213.

The working principle of the hydraulic construction pouring hole reaming equipment is based on the hydraulic construction pouring hole reaming equipment, and the hydraulic construction pouring hole reaming equipment comprises an inner drill body and a sleeve;

the limiting boss of the inner drill body works cooperatively with the design of the submersible drill boss of the sleeve and the strip-shaped workbench, the limiting boss prevents impurities from falling off in the drilling process, and drill teeth on the submersible drill boss and the strip-shaped workbench are responsible for stably reaming;

the working process comprises the following steps: before construction, the equipment is arranged at a position where drilling and pouring are required to be carried out, and is fixed well;

after the equipment is started, the inner drill body starts to rotate, and the sleeve also rotates along with the inner drill body;

during drilling, the design of the limiting boss ensures that impurities are not easy to fall off, and the drilling teeth on the submerged drilling boss and the strip-shaped worktable are responsible for cutting stratum, so that a reaming process is realized;

if a negative pressure pump is selected, it can be connected to the sleeve to draw out impurities by suction, avoiding clogging.

Specifically, in one embodiment of the present application, the profile shape of the drilling teeth 214 is semi-elliptical; the design of the drilling teeth 214 adopts a semi-elliptical profile; during manufacture, the profile shape of the drill tooth 214 is designed to be semi-elliptical by a corresponding process and tool.

Specifically, in one embodiment of the present application, the surface of the drill teeth 214 is provided with a diamond wear layer and a surface rust protection layer;

the diamond wear-resistant layer and the surface rust-proof layer are coated on the surface of the drilling tooth 214 by preparing materials of the diamond wear-resistant layer and the surface rust-proof layer, and then covering or coating the surface of the drilling tooth 214;

specifically, in one embodiment of the present application, the helical blade 12 is disposed on the outer peripheral surface of the end of the pilot body 1 remote from the limit boss 11; the spiral blade 12 is arranged on the outer peripheral surface of the inner drill body 1 and is far away from the limiting boss 11, and the spiral blade 12 is fixed on the outer peripheral surface of one end far away from the limiting boss 11 in the design of the inner drill body 1.

Specifically, in one embodiment of the present application, the raised worktable 213 is provided with a threaded hole, and the drilling tooth 214 is integrally formed with a threaded portion in threaded connection with the threaded hole; a threaded hole is provided on the boss table 213, and a threaded portion screwed with the threaded hole is integrally formed on the drill tooth 214; in such a manner that during the manufacturing process, threaded holes are machined in the respective positions of the raised table 213 and the drilling teeth 214 so as to achieve a threaded connection therebetween.

Specifically, in one embodiment of the present application, the air inlet end of the negative pressure pump and the end of the primary casing 2 far away from the submersible drill boss 21 are detachably arranged; the air inlet end of the negative pressure pump is detachably connected with a specific position of the primary protective cylinder 2; the realization mode is to design a connecting structure, which allows a user to conveniently detach the connection between the air inlet end of the negative pressure pump and the first-stage protection cylinder 2.

Specifically, in one embodiment of the present application, a conversion pipe 22 is disposed at an end of the primary casing 2 far from the sub-drill boss 21, the conversion pipe 22 is coaxially disposed with the inner drill body 1, and a rotation pair conversion pipe 22 is formed between the conversion pipe 22 and the primary casing 2 to rotate relative to the inner drill body 1 and the primary casing 2; the conversion pipeline 22 is arranged at a specific position of the primary protective cylinder 2, so that the conversion pipeline 22 and the inner drill body 1 are coaxially arranged, a rotating pair is formed, and the conversion pipeline 22 can rotate relative to the inner drill body 1 and the primary protective cylinder 2; the implementation is that in the design of the primary casing 2, the conversion pipe 22 is installed and is ensured to freely rotate so as to adapt to different construction conditions.

Specifically, in one embodiment of the present application, one end of the conversion pipe 22 is embedded in the first stage casing 2, and the other end of the conversion pipe 22 is provided with a joint for connecting a negative pressure pump; the structure in the primary protective cylinder 2 is designed, so that one end of the conversion pipeline 22 can be embedded into the primary protective cylinder, and meanwhile, the other end is provided with a joint, so that the connection of the negative pressure pump is facilitated; the implementation mode is that when the primary protective cylinder 2 is manufactured, an embedded structure adapting to the conversion pipeline 22 is designed at a specific position, and a position for connecting a negative pressure pump joint is reserved at the other end.

Specifically, in one embodiment of the present application, the limiting boss 11 is provided with an annular groove 111, the submersible drill boss 21 is provided with a ball 215, a rolling pair is formed between the ball 215 and the submersible drill boss 21, and the ball 215 is limited in the annular groove 111; an annular groove 111 is formed in the limiting boss 11, and a ball 215 is arranged on the submersible drill boss 21, so that a rolling pair is formed between the ball 215 and the submersible drill boss 21, and the ball 215 is limited in the annular groove 111; the implementation is that in the manufacturing process, through proper processes and tools, the design and assembly of the limit boss 11 and the submersible drilling boss 21 are ensured so that the movement between them realizes the rolling pair structure.

In general, as shown in fig. 1 and 2, the present invention has been created to solve a series of problems existing in the construction of a cast-in-place pile for a hydraulic construction, and has made remarkable technical progress;

how to implement, the following steps can be adopted:

during reaming, the limiting boss 11 of the inner drill body 1 is inserted into the drilling operation surface 3, the submersible drill boss 21 is propped against the top of the drilling operation surface 3, the primary protection cylinder 2 is rotated, the primary protection cylinder 2 drives the drill teeth 214 to rotate at a high speed, and the drill teeth 214 cut sand and soil at the top of the drilling operation surface 3, so that reaming is realized; during reaming, cut sand and soil enter the primary casing 2 through the strip-shaped groove 212 and are discharged, and the sand and the soil are always blocked in the drilling operation surface 3, so that the sand and the soil are prevented from falling into the drilling operation surface 3, and the drilling operation surface 3 is blocked; during the use process of the invention, the inner drill body 1 does not rotate, so that sand and soil on the inner side wall of the drilling operation surface 3 can be prevented from falling off; the profile shape of the axial section of the drilling tooth 214 is semi-elliptical; the diamond wear-resistant layer and the surface rust-proof layer are sequentially arranged on the drilling teeth 214; the cutting sand and the soil are convenient;

during construction, the primary protective cylinder 2 is rotated, the spiral blade 12 and the primary protective cylinder 2 relatively rotate, and sand and soil in the primary protective cylinder 2 are discharged into the primary protective cylinder 2 along the spiral blade 12;

when the drilling teeth 214 are worn, the normal operation of the hydraulic construction pouring hole reaming equipment provided by the embodiment can be ensured only by unscrewing the worn drilling teeth 214 and replacing the whole new drilling teeth 214, so that the maintenance cost is reduced;

as shown in the first-stage pile casing 2, in another embodiment of the invention, sand and soil in the first-stage pile casing 2 are discharged through a negative pressure pump during construction, so that the sand and soil are prevented from blocking the first-stage pile casing 2, and the reaming construction is facilitated;

the connection of the negative pressure pump is convenient, and the interference of the negative pressure pump to the first-stage protection cylinder 2 is prevented in the rotation process of the first-stage protection cylinder 2;

as a further improvement to the above technical solution, the limiting boss 11 is provided with an annular groove 111, the sub-drill boss 21 is provided with a plurality of rotatable balls 215, and the balls 215 are embedded into the annular groove 111 and can rotate in the annular groove 111; the limiting boss 11 is convenient to rotate on the submersible drill boss 21, and abrasion is convenient to reduce.

Firstly, aiming at the problems of efficiency and stability in the construction process of the traditional cast-in-place pile, the semi-elliptical profile drilling teeth are introduced in the design, so that the stability of reaming operation is improved, and the construction efficiency is further improved;

secondly, by arranging the diamond wear-resistant layer and the surface rust-proof layer on the surface of the drilling tooth, the service life of the drilling tool is effectively prolonged, the frequency of maintenance and replacement is reduced, and the reliability of the whole equipment is improved;

in addition, by arranging the spiral blade on the outer peripheral surface of one end, far away from the limiting boss, of the inner drill body, the possibility of impurity dropping is reduced, and the stability of the construction process and the convenience of cleaning are further improved;

in the structural design of the device, the air inlet end of the negative pressure pump and one end of the primary protective cylinder far away from the submarine drilling boss are detachably arranged, and the rotatable conversion pipeline is arranged, so that the operability and the flexibility of the device are greatly improved, and the construction is more convenient and faster to adapt to different working conditions;

finally, through structural innovation of arranging annular grooves on the limiting bosses and arranging balls on the submersible drilling bosses, the invention effectively reduces vibration, improves stability and precision of the reaming process, and provides a high-efficiency and reliable solution for the construction of the hydraulic building filling pile;

in summary, the invention aims to provide an improved cast-in-place pile construction device for the field of hydraulic construction, so as to solve the problems of low efficiency, difficult cleaning and the like in the traditional construction and bring higher stability, maintainability and operability to the construction process.

While the invention has been described with respect to the preferred embodiments, it should be noted that modifications and substitutions will be apparent to those skilled in the art without departing from the spirit of the invention and these modifications and substitutions should be considered to be within the scope of the invention.

Claims (10)

1. The reaming device for the irrigation hole of the hydraulic building is characterized by comprising an inner drill body (1) and a primary casing (2); the inner drill body (1) is used for tunneling, and the primary pile casing (2) is used for supporting and protecting the working face finished by the inner drill body (1);

the inner drill body (1) comprises a limit boss (11) and a spiral blade (12), the limit boss (11) is arranged at the front end of the spiral blade (12), and the limit boss (11) extends outwards along the radial direction;

the first-stage protection cylinder (2) is sleeved on the inner drill body (1), a rotary pair is formed between the inner drill body (1) and the first-stage protection cylinder (2), and a cavity is formed between the inner drill body (1) and the first-stage protection cylinder (2); the primary pile casing (2) comprises a submersible drill boss (21) and a conversion pipeline (22), wherein the submersible drill boss (21) is arranged between the limiting boss (11) and the spiral blade (12), and the submersible drill boss (21) is close to the radially inward drill body (1); the center of the sub-drill boss (21) is provided with a through hole (211), and the through hole (211) is used for accommodating the inner drill body (1).

2. A hydraulic building pouring hole reaming device according to claim 1, characterized in that the sub-drilling boss (21) is provided with a strip-shaped groove (212); a raised workbench (213) is formed between the adjacent strip-shaped grooves (212), and drilling teeth (214) are arranged on the raised workbench (213).

3. A hydraulic building pouring hole reaming device according to claim 2, characterized in that the profile of the drilling tooth (214) is semi-elliptical.

4. A hydraulic construction filling hole reaming device according to claim 3, characterized in that the surface of the drilling teeth (214) is provided with a diamond wear layer and a surface rust protection layer.

5. A hydraulic construction filling hole reaming device according to claim 4, characterized in that the screw blade (12) is provided on the outer peripheral surface of the end of the inner drill body (1) remote from the limit boss (11).

6. A hydraulic construction filling hole reaming device according to claim 5, characterized in that the raised working platform (213) is provided with a threaded hole, and the drilling teeth (214) are integrally formed with a threaded portion screwed with the threaded hole.

7. The hydraulic building pouring hole reaming device according to claim 6, wherein the air inlet end of the negative pressure pump and one end of the primary protective cylinder (2) far away from the submersible drilling boss (21) are detachably arranged.

8. The hydraulic building pouring hole reaming device according to claim 7, wherein one end of the primary casing (2) far away from the submersible drilling boss (21) is provided with a conversion pipeline (22), the conversion pipeline (22) is coaxially arranged with the inner drill body (1), and a rotary pair conversion pipeline (22) is formed between the conversion pipeline (22) and the primary casing (2) to rotate relative to the inner drill body (1) and the primary casing (2).

9. A hydraulic building filling hole reaming device according to any one of claims 1-8, characterized in that one end of the conversion pipe (22) is embedded in the conversion pipe (22) of the primary casing (2), and the other end is provided with a joint for connecting a negative pressure pump.

10. A hydraulic building pouring hole reaming device according to any of claims 1-8, characterized in that the limit boss (11) is provided with an annular groove (111), the sub-drill boss (21) is provided with balls (215), a rolling pair is formed between the balls (215) and the sub-drill boss (21), and the balls (215) are limited in the annular groove (111).