CN215718780U

CN215718780U - Square pile round drill forming positioner

Info

Publication number: CN215718780U
Application number: CN202121901035.4U
Authority: CN
Inventors: 李常伟
Original assignee: Chengdu Xinhao Foundation Engineering Co ltd
Current assignee: Chengdu Xinhao Foundation Engineering Co ltd
Priority date: 2021-08-14
Filing date: 2021-08-14
Publication date: 2022-02-01
Anticipated expiration: 2031-08-14

Abstract

The utility model belongs to the technical field of square pile round drills, and particularly relates to a square pile round drill hole forming positioner which comprises a power input connecting square head shaft, wherein a round drill bit is fixedly arranged on the lower side wall of the power input connecting square head shaft, an attached wall cylinder is sleeved outside the power input connecting square head shaft, an X-axis protective arm is transversely arranged at the upper end of the front side wall of the attached wall cylinder, the rear end of the X-axis protective arm is rotatably connected with the front side wall of the attached wall cylinder, symmetrical Y-axis protective arms are transversely arranged at two ends of the X-axis protective arm, and one ends of the two Y-axis protective arms are rotatably connected with the side wall of the attached wall cylinder, so that when a square pile round drill hole is drilled, the square pile round drill can be effectively positioned, and the situation that the position is moved in the drilling process and the accuracy of the drilling hole is influenced is prevented.

Description

Square pile round drill forming positioner

Technical Field

The utility model relates to the technical field of square pile round drills, in particular to a square pile round drill hole forming positioner.

Background

In the process of tunnel construction, often need use square pile round drill to carry out tunnel excavation, but present square pile round drill is when excavating the tunnel, lacks drill bit positioner, because the flexible arm of round drill is gapped and deep hole degree of depth is very dark (usually be more than 30 meters), thereby the cutting force is uneven when the round drill operation leads to the drill bit to squint to first deep round hole direction. This results in the bottom of the recess not being a standard round flat bottom. And the deeper the deep hole, the more complicated the working condition of the round drill, the more unbalanced the cutting force, and the larger the offset, thereby affecting the accuracy of tunnel excavation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a square pile round drill hole forming positioner to solve the problem that when the existing square pile drill bit provided in the background technology is used for tunnel excavation, the direction of an excavated deep round hole is deviated due to unbalanced cutting force of a round drill bit, so that the construction precision is not enough.

In order to achieve the purpose, the utility model provides the following technical scheme: square stake circle drilling positioner, including power input connection square head axle, the fixed round drill bit that is provided with of lower lateral wall of power input connection square head axle, the outside of power input connection square head axle is cup jointed and is provided with attaches a wall section of thick bamboo, the preceding lateral wall upper end that attaches a wall section of thick bamboo transversely is provided with X axle armguard, the rear end of X axle armguard with the preceding lateral wall that attaches a wall section of thick bamboo rotates and connects, the both ends of X axle armguard all transversely are provided with the Y axle armguard of symmetry, two the one end of Y axle armguard all with the lateral wall that attaches a wall section of thick bamboo rotates and connects.

Preferably, X axle armguard and two Y axle armguard all includes the armguard axle, the fixed wheel axle sleeve that is provided with of right-hand member of armguard axle, the inside of protecting the wheel axle sleeve is rotated and is provided with and protects the wheel, the left end of protecting the wheel axle sleeve pass through the guiding axle with the right-hand member of armguard axle rotates and connects, the fixed support arm hinge that is provided with the symmetry of last side wall of armguard axle, the fixed pressure spring baffle that is provided with of right-hand member of armguard axle outer wall, the outside of armguard axle is cup jointed and is provided with the pressure spring, the left end of pressure spring with the lateral wall fixed connection of pressure spring baffle, the right-hand member of pressure spring with the left side wall fixed connection of armguard axle sleeve.

Preferably, the upper end of X axle armguard transversely is provided with X axle support arm, the one end of X axle support arm with support arm hinge rotation connects, the other end of X axle support arm with attach the lateral wall of a wall section of thick bamboo and rotate and connect, two the upper end of Y axle armguard all transversely is provided with Y axle support arm, two the one end of Y axle support arm all with support arm hinge rotation connects, two the other end of Y axle support arm all with attach the lateral wall of a wall section of thick bamboo and rotate and connect.

Preferably, the power input connection square head shaft comprises an excavator square head connecting part, a wall-attached cylinder hole shaft matching part and a round drill connection square head, an upper side wall of the wall-attached cylinder hole shaft matching part is fixedly connected with a lower side wall of the excavator square head connecting part, and an upper side wall of the round drill connection square head is fixedly connected with a lower side wall of the wall-attached cylinder hole shaft matching part.

Preferably, the wall attaching cylinder comprises a mounting pipe, a support arm hinge hole and a guard arm hinge hole, the support arm hinge hole is uniformly and fixedly arranged around the mounting pipe, and the guard arm hinge hole is fixedly arranged at the lower end of the support arm hinge hole.

Compared with the prior art, the utility model has the beneficial effects that:

through the common cooperation of X axle armguard, Y axle armguard, armguard axle sleeve, protection wheel, guiding axle, support arm hinge, pressure spring shelves pole, pressure spring, X support arm and Y support arm, be convenient for when square pile circle bores and drills, can effectively fix a position square pile circle bores to prevent that the position from removing at the in-process of drilling, influence the accuracy of drilling.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional structural view of FIG. 1;

FIG. 3 is a side cross-sectional structural view of FIG. 1;

FIG. 4 is a schematic view of the structure of the arm guard of FIG. 1;

FIG. 5 is a schematic structural view of the square head shaft of the power input connection in FIG. 1;

FIG. 6 is a schematic structural view of the wall-attached cartridge of FIG. 1;

FIG. 7 is a schematic structural view of the arm guard shaft;

FIG. 8 is a schematic structural view of the guard wheel;

FIG. 9 is a schematic view of operation 1;

fig. 10 is an operation diagram 2.

In the figure: the device comprises a power input connection square head shaft 1, a round drill bit 2, a wall attaching cylinder 3, a 4X-axis guard arm, a 5Y-axis guard arm, a 6 guard arm shaft, a 7 guard wheel shaft sleeve, an 8 guard wheel, a 9 guide shaft, a 10 support arm hinge, a 11 pressure spring baffle plate, a 12 pressure spring, a 13X support arm, a 14Y support arm, a 15 excavator square head connection part, a 16 wall attaching cylinder hole shaft matching part, a 17 round drill bit connection square head, an 18 installation pipe, a 19 support arm hinge hole and a 20 guard arm hinge hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-10, the present invention provides a technical solution: square stake circle drill forming hole locator, including power input connection square head axle 1, the fixed round drill bit 2 that is provided with of lower lateral wall of power input connection square head axle 1, power input connection square head axle 1's outside is cup jointed and is provided with attaches a wall section of thick bamboo 3, the preceding lateral wall upper end that attaches a wall section of thick bamboo 3 transversely is provided with X axle armguard 4, the rear end of X axle armguard 4 rotates with the preceding lateral wall that attaches a wall section of thick bamboo 3 to be connected, the both ends of X axle armguard 4 all transversely are provided with the Y axle armguard 5 of symmetry, the one end of two Y axle armguards 5 all rotates with the lateral wall that attaches a wall section of thick bamboo 3 to be connected.

X axle armguard 4 and two Y axle armguards 5 all include armguard shaft 6, the fixed wheel axle sleeve 7 that is provided with of right-hand member of armguard shaft 6, the inside of protecting wheel axle sleeve 7 is rotated and is provided with and protects the wheel 8, the left end of protecting wheel axle sleeve 7 passes through guiding shaft 9 and is connected with the right-hand member rotation of armguard shaft 6, the fixed support arm hinge 10 that is provided with the symmetry of last lateral wall of armguard shaft 6, the fixed pressure spring baffle 11 that is provided with of right-hand member of armguard shaft 6 outer wall, the outside of armguard shaft 6 is cup jointed and is provided with pressure spring 12, the left end of pressure spring 12 and the lateral wall fixed connection of pressure spring baffle 11, the right-hand member of pressure spring 12 and the left side wall fixed connection of armguard shaft sleeve 7.

The upper end of the X-axis protecting arm 4 is transversely provided with an X-axis supporting arm 13, one end of the X-axis supporting arm 13 is rotatably connected with the supporting arm hinge 10, the other end of the X-axis supporting arm 13 is rotatably connected with the side wall of the wall attaching cylinder 3, the upper ends of the two Y-axis protecting arms 5 are transversely provided with Y-axis supporting arms 14, one ends of the two Y-axis supporting arms 14 are rotatably connected with the supporting arm hinge 10, and the other ends of the two Y-axis supporting arms 14 are rotatably connected with the side wall of the wall attaching cylinder 3.

The power input connection square head shaft 1 comprises an excavator square head connecting part 15, a wall attaching cylinder hole shaft matching part 16 and a round drill connection square head 17, wherein the upper side wall of the wall attaching cylinder hole shaft matching part 16 is fixedly connected with the lower side wall of the excavator square head connecting part 15, and the upper side wall of the round drill connection square head 17 is fixedly connected with the lower side wall of the wall attaching cylinder hole shaft matching part 16.

The wall attaching cylinder 3 comprises a mounting pipe 18, a support arm hinge hole 19 and a guard arm hinge hole 20, wherein the support arm hinge hole 19 is uniformly and fixedly arranged around the mounting pipe 18, and the guard arm hinge hole 20 is fixedly arranged at the lower end of the support arm hinge hole 19.

The working principle is as follows: the square pile round drill forming positioner mainly comprises a power input connecting square head shaft 1, a wall attaching cylinder 4, an X supporting arm 13, a Y supporting arm 14, a protecting arm shaft 6, a pressure spring 12, a protecting wheel shaft sleeve 7 and a protecting wheel 8, wherein the four protecting arm hinge holes 20 and a supporting arm hinge hole 19 are respectively identical in installation size and have interchangeability, the square head part above the power input connecting square head shaft 1 is connected with the square head of a rotary drilling rig to support the whole positioner and provide power, the square head part below the positioner is connected with a round drill, the round drill has the power of rotary motion for excavation, parts of the round drill are combined welding pieces, the wall attaching cylinder 3 is provided with protecting arms in the X direction and the Y direction, and the middle part of the wall attaching cylinder 3 and the power input connecting square head shaft 1 is in hole-shaft matching connection, so that when the round drill is driven to rotate by the power input connecting square head shaft 1, the wall attaching cylinder 3 can keep different supports due to the supporting of the protecting arm, and can form a unified whole with parts such as a round drill bit and the like so as to realize the up-and-down movement of the whole, the protecting arm comprises a protecting arm shaft 6, a pressure spring baffle plate 11, a pressure spring 12, a guide shaft 9, a wheel protecting shaft sleeve 7 and a protecting wheel 8, the protecting arm shaft 6 is in a modular design, the structure of an X-axis protecting arm is the same as that of a Y-axis protecting arm, only the length of the protecting arm shaft is different, so that the length of the protecting arm shaft can be adjusted according to the difference of the diameter of the round drill bit so as to realize the diversity of the application size of the positioner, the adaptive range is increased, the protecting wheel is arranged at the tail end of the protecting arm, the protecting wheel can help the up-and-down movement of the positioner to be smooth, the protecting wheel 8 and the wheel protecting shaft sleeve 7 are combined into a whole, the guide shaft 9 is arranged on the wheel protecting shaft sleeve 7, a waist-shaped long hole is arranged on the arm protecting shaft 6, so that the protecting wheel 8 can slide along the axial direction of the protecting arm shaft 6, therefore, the supporting force of the positioner can be adjusted by a pressure spring on the guard arm, and when the positioner integrally moves up and down, the positioner can also move under the action of the flexibility of the spring so that the positioner is not blocked in the deep hole and cannot move;

in the process of constructing a square deep hole, a square deep hole with the diameter of 2 meters X3 meters is taken as an example (the size of the common deep hole), the common construction process comprises the steps of firstly using a round hole drill with the diameter of 2 meters to tangentially drill 2 round deep holes with the diameter of 2 meters in sequence along the length direction, then using a special square pile drill to perform trimming operation to enable the round deep holes to become standard squares, in the construction process, when the round hole drill drills a first deep hole with the diameter of 2 meters, because the periphery of the round drill is provided with solid soil and stone attached walls, a common drill can not deflect, but when the round hole drill drills a second round hole with the diameter of 2 meters, because the first round hole is drilled at the right side of the position of the second round hole, the right side of the round hole with the diameter of 2 meters is not provided with soil and stone attached walls, therefore, when the round drill drills downwards, because the telescopic arms of the round drill have gaps and the depth of the deep hole is very deep (usually more than 30 meters), and the cutting force is unbalanced during the operation of the round drill bit, so that the drill bit deflects towards the first deep round hole, the bottom of the deep hole cannot become a standard round flat bottom, the deeper the deep hole is, the more complicated the operation working condition of the round drill bit is, the more unbalanced the cutting force is, and the larger the deflection amount is.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Square pile circle drilling positioner, including power input connection square head axle (1), its characterized in that, the fixed round drill bit (2) that is provided with of lower lateral wall of power input connection square head axle (1), the outside of power input connection square head axle (1) is cup jointed and is provided with attaches a wall section of thick bamboo (3), the preceding lateral wall upper end that attaches a wall section of thick bamboo (3) transversely is provided with X axle armguard (4), the rear end of X axle armguard (4) with the preceding lateral wall that attaches a wall section of thick bamboo (3) rotates and connects, the both ends of X axle armguard (4) all transversely are provided with Y axle armguard (5) of symmetry, two the one end of Y axle armguard (5) all with the lateral wall that attaches a wall section of thick bamboo (3) rotates and connects.

2. The square pile round drill hole positioner of claim 1, wherein: x axle armguard (4) and two Y axle armguard (5) all include armguard axle (6), the fixed wheel axle sleeve (7) that is provided with of right-hand member of armguard axle (6), the inside rotation of protecting wheel axle sleeve (7) is provided with protects wheel (8), the left end of protecting wheel axle sleeve (7) pass through guiding axle (9) with the right-hand member of armguard axle (6) rotates and connects, the fixed support arm hinge (10) that is provided with the symmetry of last lateral wall of armguard axle (6), the fixed pressure spring baffle (11) that is provided with of right-hand member of armguard axle (6) outer wall, the outside of armguard axle (6) is cup jointed and is provided with pressure spring (12), the left end of pressure spring (12) with the lateral wall fixed connection of pressure spring baffle (11), the right-hand member of pressure spring (12) with the left side wall fixed connection of armguard axle sleeve (7).

3. The square pile round drill hole positioner of claim 2, wherein: the upper end of X axle armguard (4) transversely is provided with X axle support arm (13), the one end of X axle support arm (13) with support arm hinge (10) rotate to be connected, the other end of X axle support arm (13) with the lateral wall that attaches a wall section of thick bamboo (3) rotates to be connected, two the upper end of Y axle armguard (5) all transversely is provided with Y axle support arm (14), two the one end of Y axle support arm (14) all with support arm hinge (10) rotate to be connected, two the other end of Y axle support arm (14) all with the lateral wall that attaches a wall section of thick bamboo (3) rotates to be connected.

4. The square pile round drill hole positioner of claim 1, wherein: the power input connection square head shaft (1) comprises an excavator square head connecting part (15), an attached wall cylinder hole shaft matching part (16) and a round drill connection square head (17), the upper side wall of the attached wall cylinder hole shaft matching part (16) is fixedly connected with the lower side wall of the excavator square head connecting part (15), and the upper side wall of the round drill connection square head (17) is fixedly connected with the lower side wall of the attached wall cylinder hole shaft matching part (16).

5. The square pile round drill hole positioner of claim 1, wherein: the wall attaching cylinder (3) comprises an installation pipe (18), a support arm hinge hole (19) and a guard arm hinge hole (20), the support arm hinge hole (19) is uniformly and fixedly arranged around the installation pipe (18), and the guard arm hinge hole (20) is fixedly arranged at the lower end of the support arm hinge hole (19).