CN113356203A

CN113356203A - Hydraulic square pile grinding drill

Info

Publication number: CN113356203A
Application number: CN202110767464.5A
Authority: CN
Inventors: 李常伟
Original assignee: Chengdu Xinhao Foundation Engineering Co ltd
Current assignee: Chengdu Xinhao Foundation Engineering Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-09-07

Abstract

The invention discloses a hydraulic square pile grinding drill bit, belonging to the technical field of square pile grinding drill bits, comprising a box body, wherein grinding shaft sleeves which are uniformly distributed are longitudinally arranged at the edge inside the box body, the lower ends of the grinding shaft sleeves which are uniformly distributed penetrate through the lower side wall of the box body to extend to the lower end of the box body and are fixedly provided with grinding heads, the upper ends of the grinding shaft sleeves penetrate through the upper side wall of the box body to extend to the upper end of the box body and are fixedly provided with hydraulic motors, the side walls of the hydraulic motors are fixedly provided with oil outlets, the upper ends of the oil outlets are fixedly provided with oil inlets, symmetrical oil tanks are fixedly arranged inside the box body, a first motor is fixedly arranged between the two oil tanks, the output end of the first motor is fixedly provided with a first hydraulic pump, the safety aspect is firmer, the energy consumption is lower and more environment-friendly, and an execution part adopts a modular design, the whole grinding head module can be taken out from the bottom end of the box body, and maintenance is convenient.

Description

Hydraulic square pile grinding drill

Technical Field

The invention relates to the technical field of grinding square pile drill bits, in particular to a hydraulic type grinding square pile drill bit.

Background

At present, square piles are gradually applied to practical engineering in China, compared with circular piles, the square piles greatly increase the side friction area of the piles under the condition that the cross sections of the square piles are the same, namely the cross sections of the square piles are the same as the material consumption, the side friction area of the piles is increased, the bearing capacity of the piles can be greatly improved, a rotary drilling rig is piling equipment for hole forming operation, the rotary drilling rig is widely applied along with the rapid development of domestic foundation engineering in recent years, and when the rotary drilling rig meets square pile engineering, the drill bit of the conventional rotary drilling rig cannot meet the use requirement easily, so that the invention provides the square pile drill bit.

When the existing square pile drill bit is used, the drilling efficiency is low, and the square pile drill bit cannot drill in a short time at high efficiency, so that the engineering progress is influenced.

Disclosure of Invention

The invention aims to provide a hydraulic grinding square pile drill bit, which aims to solve the problems that the prior square pile drill bit proposed in the background art is low in drilling efficiency and cannot drill in a short time and efficiently, so that the progress of engineering is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: the hydraulic grinding square pile drill bit comprises a box body, grinding shaft sleeves which are evenly distributed are longitudinally arranged at the edge inside the box body, the lower ends of the grinding shaft sleeves which are evenly distributed penetrate through the lower side wall of the box body and extend to the lower end of the box body, grinding heads are fixedly arranged on the lower end of the grinding shaft sleeves, the upper ends of the grinding shaft sleeves penetrate through the upper side wall of the box body and extend to the upper end of the box body, hydraulic motors are fixedly arranged on the upper end of the grinding shaft sleeves, oil outlets are fixedly arranged on the side walls of the hydraulic motors, oil inlets are fixedly arranged at the upper ends of the oil outlets, symmetrical oil tanks are fixedly arranged inside the box body, a first motor is fixedly arranged between the two oil tanks, a first hydraulic pump is fixedly arranged at the output end of the first motor, a first inlet and a first outlet are fixedly arranged on the side wall of the first hydraulic pump, a second motor is fixedly arranged at the right end of the first motor, and a second hydraulic pump is fixedly arranged at the output end of the second motor, and a second inlet and a second outlet are fixedly arranged on the side wall of the second hydraulic pump.

Preferably, the fixed anti-rotation plate that is provided with of last lateral wall of box, the inside of anti-rotation plate vertically is provided with the connection square head, the lower lateral wall of connection square head with the last lateral wall fixed connection of box, the fixed square head reinforcing plate that is provided with the symmetry of lateral wall of connection square head, the square head reinforcing plate keep away from the one side of connection square head with the inner wall fixed connection of anti-rotation plate.

Preferably, the grinding shaft sleeve is longitudinally internally provided with a grinding head transmission shaft, the lower end of the grinding head transmission shaft is fixedly connected with the grinding head, the upper end of the grinding head transmission shaft penetrates through the upper side wall of the grinding shaft sleeve and is fixedly connected with the output end of the hydraulic motor, the upper end of the shaft wall of the grinding head transmission shaft is rotatably connected with the grinding shaft sleeve through a locking nut, and the lower end of the hydraulic motor is fixedly provided with a clamp.

Preferably, the grinding head comprises a cutter body and an alloy, and the alloy is uniformly distributed around the cutter body.

Preferably, an oil outlet of the hydraulic motor is fixedly connected with an oil tank, a first inlet of the first hydraulic pump and a second inlet of the second hydraulic pump are fixedly connected with the oil tank, and a first outlet of the first hydraulic pump and a second outlet of the second hydraulic pump are fixedly connected with the hydraulic motor.

Compared with the prior art, the invention has the beneficial effects that:

fluid pressure type grinding side stake drill bit, for independent motor power drive hydraulic system realizes that the grinding head rotates and then realize the grinding pile, it no longer need follow and digs the rig soon and get power, dig the connection side head of rig soon and only play the effect that the whole side stake drill bit was supported in the installation, it is more firm in the aspect of the security of whole equipment like this, and the energy consumption is lower more environmental protection, executive component adopts the modularized design, whole grinding head module can be followed the box bottom and taken out, convenient maintenance.

Drawings

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

FIG. 2 is a schematic diagram of a front view of the present invention;

FIG. 3 is a schematic sectional view taken along line A-A in FIG. 1;

FIG. 4 is a schematic sectional view taken along line B-B in FIG. 2;

FIG. 5 is a schematic cross-sectional view of the grinding sleeve of FIG. 1;

fig. 6 is a schematic view of the structure of the grinding head of fig. 3.

In the figure: the grinding machine comprises a box body 1, a grinding shaft sleeve 2, a grinding head 3, a hydraulic motor 4, an oil tank 5, a first motor 6, a first hydraulic pump 7, a second motor 8, a second hydraulic pump 9, an anti-rotation plate 10, a connecting square head 11, a square reinforcing plate 12, a grinding head transmission shaft 13, a locking nut 14, a clamp 15, a cutter body 16 and an alloy 17.

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. 1-6, the present invention provides a technical solution: the hydraulic grinding square pile drill bit comprises a box body 1, grinding shaft sleeves 2 which are evenly distributed are longitudinally arranged at the edge inside the box body 1, the lower ends of the grinding shaft sleeves 2 which are evenly distributed penetrate through the lower side wall of the box body 1 to extend to the lower end of the box body 1 and are fixedly provided with grinding heads 3, the upper ends of the grinding shaft sleeves 2 penetrate through the upper side wall of the box body 1 to extend to the upper end of the box body 1 and are fixedly provided with hydraulic motors 4, the side wall of each hydraulic motor 4 is fixedly provided with an oil outlet, the upper end of each oil outlet is fixedly provided with an oil inlet, symmetrical oil tanks 5 are fixedly arranged inside the box body 1, a first motor 6 is fixedly arranged between the two oil tanks 5, the output end of the first motor 6 is fixedly provided with a first hydraulic pump 7, the side wall of the first hydraulic pump 7 is fixedly provided with a first inlet and a first outlet, the right end of the first motor 6 is fixedly provided with a second motor 8, the output end of the second motor 8 is fixedly provided with a second hydraulic pump 9, the side wall of the second hydraulic pump 9 is fixedly provided with a second inlet and a second outlet.

The fixed flange 10 that is provided with of last lateral wall of box 1, the inside of flange 10 vertically is provided with the side of connecting square 11, the lower lateral wall of side of connecting square 11 and the last lateral wall fixed connection of box 1, the fixed square head reinforcing plate 12 that is provided with the symmetry of the lateral wall of side of connecting square 11, the one side that side and flange 10's inner wall fixed connection are kept away from to square head reinforcing plate 12 of connecting square 11.

The grinding head transmission shaft 13 is longitudinally arranged inside the grinding shaft sleeve 2, the lower end of the grinding head transmission shaft 13 is fixedly connected with the grinding head 3, the upper end of the grinding head transmission shaft 13 penetrates through the upper side wall of the grinding shaft sleeve 2 and is fixedly connected with the output end of the hydraulic motor 4, the upper end of the shaft wall of the grinding head transmission shaft 13 is rotatably connected with the grinding shaft sleeve 2 through a locking nut 14, and a clamp 15 is fixedly arranged at the lower end of the hydraulic motor 4.

The grinding head 3 comprises a cutter body 16 and an alloy 17, wherein the alloy 17 is uniformly arranged around the cutter body 16.

An oil outlet of the hydraulic motor 4 is fixedly connected with the oil tank 5, a first inlet of the first hydraulic pump 7 and a second inlet of the second hydraulic pump 9 are fixedly connected with the oil tank 5, and a first outlet of the first hydraulic pump 7 and a second outlet of the second hydraulic pump 9 are fixedly connected with the hydraulic motor 4.

The working principle is as follows: the connecting square head 11 of the rotary drilling rig is directly and rigidly connected onto the box body 1 of the square pile drill bit, a square head reinforcing plate 12 is arranged between the connecting square head 11 and the box body 1 to reinforce the connection strength of the square head reinforcing plate, the power of the grinding head 3 of the square pile drill bit is driven by a hydraulic system, the power of the hydraulic system is driven by an independent motor, when a first motor 6 and a second motor 8 are connected with a power supply to rotate, a first hydraulic pump 7 and a second hydraulic pump 9 are driven to work, the first hydraulic pump 7 and the second hydraulic pump 9 respectively suck hydraulic oil from an oil tank 5 through a first inlet and a second inlet, then the hydraulic oil is respectively transmitted to each hydraulic motor 4 through the hydraulic system from a first outlet and a second outlet to further drive the hydraulic motors 4 to rotate, the hydraulic motors 4 are arranged on the box body 1 of the square pile drill bit, the output shafts of the hydraulic motors 4 are connected with a transmission shaft 13 of the grinding head 3, the rotation of the grinding head 3 is realized, the hydraulic motor 4 is arranged on the square pile drill bit box body 1, an output shaft of the hydraulic motor is connected with a grinding head transmission shaft 13, the grinding head 3 is arranged on the grinding head transmission shaft 13, the rotary motion of the grinding head 3 is realized, the grinding head shafts are regularly distributed along the four walls of the square pile drill bit box body 1, and the hydraulic system is connected in series or in parallel according to the actual working condition, so that the rotation of all the grinding heads 3 on the four walls of the square pile drill bit box body 1 is realized.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention 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 invention 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The hydraulic grinding square pile drill bit comprises a box body (1) and is characterized in that grinding shaft sleeves (2) which are evenly distributed are longitudinally arranged at the edge inside the box body (1), the lower ends of the grinding shaft sleeves (2) which are evenly distributed penetrate through the lower side wall of the box body (1) and extend to the lower end of the box body (1) and are fixedly provided with grinding heads (3), the upper ends of the grinding shaft sleeves (2) penetrate through the upper side wall of the box body (1) and extend to the upper end of the box body (1) and are fixedly provided with hydraulic motors (4), the side wall of each hydraulic motor (4) is fixedly provided with an oil outlet, the upper end of each oil outlet is fixedly provided with an oil inlet, symmetrical oil tanks (5) are fixedly arranged inside the box body (1), a first motor (6) is fixedly arranged between the two oil tanks (5), and a first hydraulic pump (7) is fixedly arranged at the output end of, the side wall of the first hydraulic pump (7) is fixedly provided with a first inlet and a first outlet, the right end of the first motor (6) is fixedly provided with a second motor (8), the output end of the second motor (8) is fixedly provided with a second hydraulic pump (9), and the side wall of the second hydraulic pump (9) is fixedly provided with a second inlet and a second outlet.

2. The hydraulic grinding square pile drill bit of claim 1, wherein: the fixed flange (10) that is provided with of last lateral wall of box (1), the inside of flange (10) vertically is provided with connecting square head (11), the lower lateral wall of connecting square head (11) with the last lateral wall fixed connection of box (1), the fixed square head reinforcing plate (12) that is provided with the symmetry of lateral wall of connecting square head (11), one side that connecting square head (11) was kept away from in square head reinforcing plate (12) with the inner wall fixed connection of flange (10).

3. The hydraulic grinding square pile drill bit of claim 1, wherein: the inside of grinding axle sleeve (2) vertically is provided with grinding head transmission shaft (13), the lower extreme of grinding head transmission shaft (13) with grinding head (3) fixed connection, the upper end of grinding head transmission shaft (13) run through the last lateral wall of grinding axle sleeve (2) and with the output fixed connection of hydraulic motor (4), the upper end of grinding head transmission shaft (13) axial wall pass through lock nut (14) with grinding axle sleeve (2) rotate to be connected, the fixed clip (15) that is provided with of lower extreme of hydraulic motor (4).

4. The hydraulic grinding square pile drill bit of claim 1, wherein: the grinding head (3) comprises a cutter body (16) and an alloy (17), wherein the alloy (17) is uniformly distributed around the cutter body (16).

5. The hydraulic grinding square pile drill bit of claim 1, wherein: the oil outlet of the hydraulic motor (4) is fixedly connected with an oil tank (5), a first inlet of the first hydraulic pump (7) and a second inlet of the second hydraulic pump (9) are fixedly connected with the oil tank (5), and a first outlet of the first hydraulic pump (7) and a second outlet of the second hydraulic pump (9) are fixedly connected with the hydraulic motor (4).