阅读说明：本技术 一种多边形打孔工具 (Polygonal punching tool ) 是由 杨宁 郭红起 高春林 赵伟 金灿 陈先勇 王启航 李耀文 曹华威 王团伟 黄晔矿 于 2021-07-15 设计创作，主要内容包括：本发明公开了一种多边形打孔工具,包括钻头总成和切削组件；所述钻头总成包括驱动元件和螺旋钻头；所述螺旋钻头固定连接在所述驱动元件的输出端；所述切削组件包括切削侧板,若干所述切削侧板以弧度A折弯,围合拼接成多边形,套设在所述钻头总成的外部；所述切削侧板上开设有卸料孔；所述切削侧板的底端设有切削角。本发明可在螺旋钻头进行打孔期间对圆形孔洞周围土壤进行多边形切削,并通过螺旋钻头的旋转将切削的土壤带出,提高作业效率,同时通过切削工具的折弯次数变化实现多种多边形孔洞的打孔作业。(The invention discloses a polygonal punching tool, which comprises a drill bit assembly and a cutting assembly, wherein the drill bit assembly comprises a drill bit and a cutter assembly; the drill bit assembly includes a drive element and a helical drill bit; the spiral drill bit is fixedly connected to the output end of the driving element; the cutting assembly comprises cutting side plates, and a plurality of cutting side plates are bent at a radian A, are encircled and spliced into a polygon and are sleeved outside the drill bit assembly; a discharge hole is formed in the cutting side plate; and a cutting corner is arranged at the bottom end of the cutting side plate. The invention can carry out polygonal cutting on the soil around the circular hole during the punching of the spiral drill bit, and the cut soil is taken out through the rotation of the spiral drill bit, thereby improving the operation efficiency, and realizing the punching operation of various polygonal holes through the change of the bending times of the cutting tool.)

1. A polygonal shaped drilling tool comprising a drill bit assembly (2) and a cutting assembly (1);

the drill head assembly (2) comprises a drive element (21) and a helical drill head (22);

the auger bit (22) is fixedly connected to the output end of the driving element (21);

the cutting assembly (1) comprises cutting side plates (111), and the cutting side plates (111) are bent at a radian A, are encircled and spliced to form a polygon, and are sleeved outside the drill bit assembly (2).

2. The polygonal piercing tool of claim 1,

and a discharge hole (112) is formed in the cutting side plate (111).

3. The polygonal piercing tool of claim 2,

the driving element (21) adopts a hydraulic motor.

4. The polygonal piercing tool of claim 2,

a hanging part is arranged above the driving element (21);

the suspension part is provided with a suspension fixing hole;

the driving element (21) is sleeved with a shaft sleeve (221).

5. The polygonal piercing tool of claim 2,

a fixing plate (113) is arranged on the side edge of the side plate (111);

a fixing hole (118) is formed in the fixing plate (113);

the plurality of cutting side plates (111) are fixedly connected through the fixing holes (118).

6. The polygonal piercing tool of claim 2,

a rotating shaft fixing coaming (115) is arranged at the bending part of the cutting side plate (111);

each rotating shaft fixing enclosing plate (115) is connected to the cutting side plate (111) through two rotating shaft connecting plates (114);

the rotating shaft fixing surrounding plates (115) are bent at a radian B, are surrounded and spliced into a circle and are sleeved on a main shaft of the spiral drill bit (22);

the rotating shaft fixing coaming (115) is positioned at the upper end of a polygon encircled by the cutting side plate (111).

7. The polygonal piercing tool of claim 2,

a drill bit fixing enclosing plate (116) is arranged at the bending part of the cutting side plate (111);

each drill bit fixing surrounding plate (116) is connected to the cutting side plate (111) through two surrounding plate fixing plates (117);

the drill bit fixing enclosing plates (116) are bent at a radian C, are encircled and spliced into a circle, and are sleeved outside the spiral drill bit (22);

the middle part of a polygon enclosed by the drill bit fixing enclosing plate (116) and the cutting side plate (111);

the bit retaining shroud (116) separates the plurality of discharge apertures (112).

8. The polygonal piercing tool of claim 1,

and a cutting corner (119) is arranged at the bottom end of the cutting side plate (111).

Technical Field

The invention relates to the technical field of cutting, in particular to a polygonal punching tool.

Background

The electric power engineering construction vehicle becomes an important tool for construction and maintenance of electric power equipment, and plays an active role in improving construction efficiency, reducing workload of personnel and labor intensity. Because the bottom of the wire pole is always reinforced by the rectangular foundation stone, the current rectangular wire pole drilling work mainly adopts manual excavation or a spiral drill to drill a round hole, and a manual correction mode is adopted, so that the working efficiency is low, the labor intensity is high, and the working period is long.

Disclosure of Invention

The invention aims to provide a polygonal punching tool, which is used for solving at least one technical problem, can realize direct drilling of a rectangular wire pole hole and solves the problem of needing manual secondary operation.

The embodiment of the invention is realized by the following steps:

a polygonal shaped boring tool includes a drill bit assembly and a cutting assembly.

The drill bit assembly includes a drive element and a helical drill bit.

The auger bit is fixedly connected to the output end of the driving element.

The cutting assembly comprises cutting side plates, and the cutting side plates are bent at a radian A, are encircled and spliced into a polygon and are sleeved outside the drill bit assembly.

In a preferred embodiment of the present invention, the cutting side plate of the polygonal punching tool is provided with a discharge hole.

The technical effects are as follows: soil drilled by the rotary drill bit within the cutting assembly may be discharged from the discharge opening.

In a preferred embodiment of the present invention, the driving element of the polygonal punching tool is a hydraulic motor.

The technical effects are as follows: and starting the hydraulic motor to drill the foundation at a preset place.

In a preferred embodiment of the present invention, a suspension member is disposed above the driving element of the polygonal punching tool.

And the suspension part is provided with a suspension fixing hole.

The driving element is sleeved with a shaft sleeve.

The technical effects are as follows: the connection to the engineering vehicle mechanism is convenient.

In a preferred embodiment of the present invention, the side of the side plate of the polygonal punching tool is provided with a fixing plate.

The fixing plate is provided with a fixing hole.

And the plurality of cutting side plates are fixedly connected through the fixing holes.

The technical effects are as follows: so that the cutting side plates are mutually connected and fixed together.

In a preferred embodiment of the present invention, a rotating shaft fixing enclosure is disposed at a bending position of the cutting side plate of the polygonal punching tool.

Each rotating shaft fixing enclosing plate is connected to the cutting side plate through two rotating shaft connecting plates.

And a plurality of rotating shaft fixing surrounding plates are bent at a radian B, are surrounded and spliced into a circle and are sleeved on the main shaft of the spiral drill bit.

The rotating shaft fixing coaming is positioned at the upper end of a polygon encircled by the cutting side plates.

The technical effects are as follows: the upper part of the cutting assembly is surrounded and sleeved on the main shaft of the spiral drill through a rotating shaft fixing surrounding plate.

In a preferred embodiment of the present invention, a drill fixing fence is disposed at a bending position of the cutting side plate of the polygonal drilling tool.

Each drill bit fixing surrounding plate is connected to the cutting side plate through two surrounding plate fixing plates.

And a plurality of drill bit fixing enclosing plates are bent at a radian C, are enclosed and spliced into a circle and are sleeved outside the spiral drill bit.

The drill bit fixes the middle part of a polygon enclosed by the enclosing plates and the cutting side plates.

The drill bit fixing enclosing plate separates the discharge holes.

The technical effects are as follows: the lower part of the cutting assembly is surrounded and sleeved outside the spiral drill bit through a drill bit fixing surrounding plate.

In a preferred embodiment of the present invention, a cutting corner is formed at a bottom end of the cutting side plate of the polygonal punching tool.

The technical effects are as follows: so that the cutting assembly can be smoothly inserted into the soil.

The embodiment of the invention has the beneficial effects that:

the invention provides a polygonal punching tool, which can perform polygonal cutting on soil around a circular hole during the punching of a spiral drill bit, take out the cut soil through the rotation of the spiral drill bit, improve the working efficiency and realize the punching operation of various polygonal holes through the change of the bending times of the cutting tool.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a polygonal piercing tool according to the present invention;

FIG. 2 is a schematic view of a drill bit assembly of the polygonal shaped drilling tool of the present invention;

FIG. 3 is a schematic view of a cutting assembly of the polygonal shaped piercing tool of the present invention.

In the figure: 1-a cutting assembly; 111-cutting the side plate; 112-discharge holes; 113-a fixed plate; 114-a spindle connection plate; 115-rotating shaft fixing coaming; 116-bit securing shroud; 117-coaming fixing plate; 118-a fixation hole; 119-cutting angle; 2-a drill bit assembly; 21-a drive element; 22-a helical drill bit; 221-shaft sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations.

Referring to fig. 1 to 3, a first embodiment of the present invention provides a polygonal drilling tool including a drill head assembly 2 and a cutting assembly 1.

The drill head assembly 2 comprises a drive element 21 and a helical drill head 22.

The auger bit 22 is fixedly connected to the output end of the drive element 21.

The cutting assembly 1 comprises cutting side plates 111, and a plurality of cutting side plates 111 are bent at a radian A, are encircled and spliced into a polygon, and are sleeved outside the drill bit assembly 2.

The cutting assembly 1 is concentric and co-directional with the drill bit assembly 2.

In a preferred embodiment of the present invention, the cutting side plate 111 of the polygonal punching tool is provided with a discharge hole 112.

The technical effects are as follows: soil drilled by the rotary drill bit within the cutting assembly may be discharged from the discharge opening.

In the preferred embodiment of the present invention, the driving element 21 of the polygonal punching tool is a hydraulic motor.

The technical effects are as follows: and starting the hydraulic motor to drill the foundation at a preset place.

In a preferred embodiment of the present invention, a suspension member is disposed above the driving element 21 of the polygonal punching tool.

And the suspension part is provided with a suspension fixing hole.

A bushing 221 is provided around the drive element 21.

The hydraulic motor is connected to a mechanism fixed to the work vehicle through a suspension fixing hole.

The technical effects are as follows: the connection to the engineering vehicle mechanism is convenient.

In a preferred embodiment of the present invention, the side of the side plate 111 of the polygonal punching tool is provided with a fixing plate 113.

The fixing plate 113 is provided with a fixing hole 118.

The plurality of cutting side plates 111 are fixedly connected through the fixing holes 118.

The technical effects are as follows: so that the cutting side plates are mutually connected and fixed together.

In a preferred embodiment of the present invention, a rotating shaft fixing surrounding plate 115 is disposed at the bending position of the cutting side plate 111 of the polygonal punching tool.

Each of the rotation shaft fixing fences 115 is connected to the cutting side plate 111 through two rotation shaft connecting plates 114, respectively.

The rotating shaft fixing surrounding plates 115 are bent at a radian B, are connected in a surrounding manner to form a circle, and are sleeved on the main shaft of the spiral drill 22.

The rotating shaft fixing surrounding plate 115 is located at the upper end of a polygon surrounded by the cutting side plates 111.

The technical effects are as follows: the upper part of the cutting assembly is surrounded and sleeved on the main shaft of the spiral drill through a rotating shaft fixing surrounding plate.

In the preferred embodiment of the present invention, the bending portion of the cutting side plate 111 of the polygonal punching tool is provided with a drill fixing surrounding plate 116.

Each of the bit retaining shrouds 116 is connected to the cutting side plate 111 by two shroud retaining plates 117.

The drill fixing surrounding plates 116 are bent at a radian C, are connected in a surrounding manner to form a circle, and are sleeved outside the spiral drill 22.

The drill bit fixing coaming 116 is arranged in the middle of a polygon surrounded by the cutting side plates 111.

The bit retaining shroud 116 separates the discharge openings 112.

The technical effects are as follows: the lower part of the cutting assembly is surrounded and sleeved outside the spiral drill bit through a drill bit fixing surrounding plate.

In the preferred embodiment of the present invention, the cutting side plate 111 of the polygonal punching tool has a cutting corner 119 at its bottom end.

The technical effects are as follows: so that the cutting assembly can be smoothly inserted into the soil.

Referring to fig. 1 and fig. 3, a second embodiment of the present invention provides a cutting method for a polygonal punching tool, including:

the cutting assembly 1 is fixed to the outside of the drill bit assembly 2, and the hydraulic motor is actuated to perform a foundation drilling operation at a predetermined place. When drilling operation is carried out, the spiral drill 22 drills into the soil, the excess soil is discharged out of the cutting assembly 1 through the discharge hole 112 in the cutting side plate 111, after the spiral drill 22 continues to drill into the soil, the cutting angle 119 at the bottom of the cutting assembly 1 is inserted into the soil, the excess soil is cut around the circular drill hole, cutting is carried out according to polygonal outward expansion, and the cut soil is discharged along with the excess soil until the drilling operation with the set depth is completed. When the drill bit drills into the set depth, the polygonal holes are drilled.

In the drilling process, the cutting assembly 1 is always consistent with the advancing direction of the spiral drill 22 through the drill fixing enclosing plate 116, and the surplus soil cutting operation of the round hole and the external rectangle is carried out through the downward force of the spiral drill 22 and the downward force of the engineering vehicle to the spiral drill 22.

The embodiment of the invention aims to protect a polygonal punching tool, which has the following effects:

1. the polygonal drilling tool can realize the cutting function of polygonal holes when the spiral drill bit performs drilling operation, and solves the problem that the conventional spiral drill bit can only perform circular hole drilling.

2. The number of the sides of the polygon can be changed by adjusting the bending number of the cutting assembly, so that the drilling of the polygonal hole is realized.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.