CN207813520U - It can be in the ground borer drill rod of efficient drilling in soil containing sandstone - Google Patents

It can be in the ground borer drill rod of efficient drilling in soil containing sandstone Download PDF

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Publication number
CN207813520U
CN207813520U CN201820081900.7U CN201820081900U CN207813520U CN 207813520 U CN207813520 U CN 207813520U CN 201820081900 U CN201820081900 U CN 201820081900U CN 207813520 U CN207813520 U CN 207813520U
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CN
China
Prior art keywords
drill bit
mandrel
oblique blade
soil containing
blade
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Expired - Fee Related
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CN201820081900.7U
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Chinese (zh)
Inventor
高永卫
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Individual
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Individual
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Priority to CN201820081900.7U priority Critical patent/CN207813520U/en
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Abstract

The utility model is related to it is a kind of can be in the ground borer drill rod of efficient drilling in soil containing sandstone, including mandrel and crushing head, one end of mandrel is connect with crushing head, crushing head is equipped with "u"-shaped groove, end of the crushing head far from mandrel is equipped with drill bit, drill bit is set as cylinder, and the bottom end of drill bit is run through along the center line of cylinder and longitudinal direction is equipped with "u"-shaped groove, and drill bit is divided into left drill bit and right drill bit by "u"-shaped groove;Left drill bit and right drill bit are radially provided with the first oblique blade along excircle inwardly, and circumferentially outer radial is equipped with the second oblique blade to the medial surface of "u"-shaped groove, and obtuse angle is constituted between the first oblique blade and the second oblique blade.Left drill bit and right drill bit are made of hard alloy, first oblique blade and the second oblique blade, which are slightly above the bottom surface of drill bit or bottom surface, can be set as inclined-plane, the intensity for increasing the first oblique blade and the second oblique blade in this way can play effective broken and be not easy that the first oblique blade and the second oblique blade is made to be damaged to sandstone.

Description

It can be in the ground borer drill rod of efficient drilling in soil containing sandstone
Technical field
The utility model is related to field of mechanical technique, and in particular to it is a kind of can be in the ground auger of efficient drilling in soil containing sandstone Driver drilling rod.
Background technology
Ground borer drill rod currently on the market, which can be used only in soil, to drill, if encountering the plot containing sandstone in soil, It is then very easy to damage or bore operation can not be carried out.
Utility model content
The technical problem to be solved by the present invention is to overcome defect in the prior art, provide a kind of containing sandstone soil When operation drills in earth, sandstone can be played effective broken and be not easy the ground borer drill rod for making drill bit be damaged.
For this purpose, the technical solution used for it is a kind of can be in the ground borer drill rod of efficient drilling in soil containing sandstone, including core Axis and crushing head, one end of the mandrel are connect with the crushing head, and the crushing head is equipped with "u"-shaped groove, and the crushing head is remote End from the mandrel is equipped with drill bit, and the drill bit is set as cylinder, and the bottom end of the drill bit is along the center of the cylinder Line runs through and longitudinal direction is equipped with "u"-shaped groove, and the drill bit is divided into left drill bit and right drill bit by the "u"-shaped groove;The left drill bit It is radially provided with the first oblique blade inwardly along excircle with right drill bit, the medial surface of the "u"-shaped groove circumferentially outer radial Equipped with the second oblique blade, obtuse angle is constituted between the first oblique blade and the second oblique blade.
Preferably, the mandrel is radially provided with pedestal, and the pedestal is equipped with bite close to the side of the crushing head Piece, for the cutting tip perpendicular to the pedestal, the pedestal is symmetrically distributed in the left and right sides of the mandrel, the bite Piece is arranged along the length direction of the pedestal.
Preferably, the one end of the mandrel far from the crushing head is equipped with connecting bushing.
Preferably, the other side of the pedestal far from the cutting tip is equipped with helical blade, the helical blade coiling The mandrel to top, the rotation direction of two helical blades is set as identical.
Preferably, the crushing head is set as the up big and down small frustum of a cone close to one end of the mandrel, and the frustum of a cone is set For helical axis, the rotation direction of the helical axis and the rotation direction of two helical blades are set as identical, the left drill bit and right drill bit It is equipped with the arc-plane being recessed being rotationally advancing direction, the arc-plane is set as helical form and is set with the rotation direction of the helical axis It is identical.
Preferably, the width B at left and right sides of the cutting tip is more than the outer diameter D of two helical blades.
Preferably, the blade of the cutting tip is set as obtuse angle along its length.
Preferably, the bottom end of the crushing head is longitudinally through equipped with venthole.
Preferably, the obtuse angle constituted between the described first oblique blade and the second oblique blade is set as 110 degree.
Technical solutions of the utility model have the following advantages that:
1. provided by the utility model can play sandstone in the ground borer drill rod of efficient drilling in soil containing sandstone Effect is crushed and is not easy that drill bit is made to be damaged, and is conducive to discharge broken sandstone.
2. it is provided by the utility model can in the ground borer drill rod of efficient drilling in soil containing sandstone, double helical blades It is designed with the discharge conducive to soil and sandstone, improves pore-forming efficiency.
3. provided by the utility model can be in the ground borer drill rod of efficient drilling in soil containing sandstone, by double-vane drill bit, double Wing cutting tip and double helical blades are rotated by mandrel excavates soil and in a manner of sandstone are combined, it is simple in structure, practical can It leans on, not only greatly improves work efficiency, but also also improve the durability of drilling rod, cost has been saved for user.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 be it is provided by the utility model can be in the front view of the ground borer drill rod of efficient drilling in soil containing sandstone;
Fig. 2 is A direction views shown in FIG. 1;
Fig. 3 is partial enlarged view at shown in FIG. 1 I;
11- mandrels;12- crushing heads;121- "u"-shaped grooves;13- cutting tips;14- pedestals;The left drill bits of 151-;The right brills of 152- Head;16- connecting bushings;17- helical blades;The 18- frustums of a cone;19- arc-planes;The first oblique blades of 20-;The second oblique blades of 21-; 22- ventholes.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality Novel protected range.
It is a kind of can in the ground borer drill rod of efficient drilling in soil containing sandstone, as shown in Figure 1, include mandrel 11 and crushing head 12, one end of the mandrel 11 is connect with the crushing head 12, and the crushing head 12 is equipped with "u"-shaped groove 121, the crushing head 12 End far from the mandrel 11 is equipped with drill bit, and the drill bit is set as cylinder, and the bottom end of the drill bit is along the cylinder Center line runs through and longitudinal direction is equipped with "u"-shaped groove 121, and the drill bit is divided into left drill bit 151 and right brill by the "u"-shaped groove 121 First 152;The left drill bit 151 and right drill bit 152 are radially provided with the first oblique blade 20, the "u"-shaped groove along excircle inwardly 121 medial surface circumferentially outer radial be equipped with the second oblique blade 21, the first oblique blade, 20 and second oblique blade 21 it Between constitute obtuse angle.Left drill bit 151 and right drill bit 152 are made of hard alloy, and the first oblique blade 20 and the second oblique blade 21 omit It can be set as inclined-plane higher than the bottom surface of drill bit or bottom surface, increase the intensity of the first oblique blade 20 and the second oblique blade 21 in this way, this Sample when operation drilling, can play effective broken and be not easy to keep the first oblique blade 20 and second oblique in soil containing sandstone to sandstone Blade 21 is damaged, the design of "u"-shaped groove 121, is conducive to discharge broken sandstone to both sides.
The mandrel 11 is radially provided with pedestal 14, and the pedestal 14 is equipped with bite close to the side of the crushing head 12 Piece 13, the cutting tip 13 are symmetrically distributed in the left and right sides of the mandrel 11 perpendicular to the pedestal 14, the pedestal 14, The cutting tip 13 is arranged along the length direction of the pedestal 14.Cutting tip 13 is made of hard alloy, equally with core The soil body is excavated in the rotation of axis 11, improves pore-forming efficiency and expands into pore size.
The one end of the mandrel 11 far from the crushing head 12 is equipped with connecting bushing 16.Hole can be equipped in connecting bushing 16, Kong Shangke is equipped with axial keyway, is matched with the output shaft of power source, can through bolt is equipped on the outer wall diameter of connecting bushing 16 Realize that the output shaft with power source is well fixed.
The other side of the pedestal 14 far from the cutting tip 13 is equipped with helical blade 17, and the helical blade 17 coils The mandrel 11 to top, the rotation direction of two helical blades 17 is set as identical.The helical blade 17 is solderable in mandrel 11 outer wall, helically ascending-type, helical blade 17 can be set as dextrorotation to two helical blades 17, one in front and one in back be wrapped in mandrel 11 On, the helix angle of helical blade 17 can be set as 10-30 degree.When mandrel 11 rotates clockwise, then helical blade 17 is arranged upwards Put soil and sandstone.Two helical blades 17 are used in the application, improve pore-forming efficiency.The initiating terminal of two helical blades 17 It is located on pedestal 14, the lower end of pedestal 14 is equipped with cutting tip 13, and the soil and sandstone that cutting tip 13 squeezes out can be suitable Sharp ground is raised above discharge through helical blade 17.
As shown in figure 3, the crushing head 12 is set as the up big and down small frustum of a cone 18 close to one end of the mandrel 11, it is described The frustum of a cone 18 is set as helical axis, and the rotation direction of the helical axis and the rotation direction of two helical blades 17 are set as identical, the left side Drill bit 151 and right drill bit 152 are being rotationally advancing direction equipped with the arc-plane 19 being recessed, and the arc-plane 19 is set as helical form And it is set as identical with the rotation direction of the helical axis.Mandrel 11 can be set as hollow pipe fitting, and crushing head 12, which can be inserted, is welded in mandrel 11 On, in order to replace conveniently, crushing head 12 can also be set as the detachable forms such as threaded connection.The rotation direction of arc-plane 19 and helical axis It can be equally set as dextrorotation, and be connected with the helical blade on right side 17, be crushed sandstone in left drill bit 151 and right drill bit 152 in this way Successfully helical blade 17 is reached through helical axis be raised above discharge afterwards.
The width B of 13 left and right sides of the cutting tip is more than the outer diameter D of two helical blades 17.The bottom of pedestal 14 End is equipped with cutting tip 13, and cutting tip 13 is rotated with mandrel 11 excavates the soil body, and the width B of 13 left and right sides of cutting tip is then For the size of drilling, width B is more than the outer diameter D of two helical blades 17, can be effectively protected helical blade 17 in this way so that Helical blade 17 can successfully discharge the soil and sandstone squeezed out, in order to avoid interim card occurs in boring procedure, influence to make Industry.
The blade of the cutting tip 13 is set as obtuse angle along its length.The obtuse angle is preferably set to 120 degree, can be effectively Implement rotation and excavate the soil body, moreover it is possible to ensure the intensity of cutting tip 13.
As shown in Fig. 2, the bottom end of the crushing head 12 is longitudinally through equipped with venthole 21.Mandrel 11 can be set as hollow tube Part, venthole 21 communicate connection air with mandrel 11, and when 12 high speed rotation of crushing head, the air pressure of bottom end is thin through high speed rotation It is also easy to produce negative pressure, at this moment venthole 21 communicates connection air with mandrel 11, and air is drawn into bottom, to left drill bit 151 It is cooled down with right drill bit 152.
The obtuse angle constituted between the first oblique blade, 20 and second oblique blade 21 is set as 110 degree.First oblique blade, 20 He Second oblique blade 21 can be symmetrical arranged, and expand broken range, and obtuse angle is set as 110 degree, in this way when implementing rotation excavation Sandstone can be effectively crushed, moreover it is possible to ensure the intensity of the first oblique blade 20 and the second oblique blade 21.
The left drill bit 151 and right drill bit 152 are set as a quarter of the cylinder and circumferentially symmetrical.Left brill First 151 and right drill bit 152 be rotationally advancing direction can be equipped with the certain thickness first oblique blade 20 and the second oblique blade 21, cylinder The bottom surface of body can be set as inclined-plane and be connected with the first oblique blade 20 and the second oblique blade 21.This not only increases the first oblique blades 20 and second oblique blade 21 intensity, and be easily discharged broken sandstone, it is broken that discharge be not easy caused by avoiding enclosure space Sandstone after broken lead to drill bit interim card, to influence bore operation.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or Among the protection domain that variation is created still in the utility model.

Claims (10)

1. a kind of can be in the ground borer drill rod of efficient drilling in soil containing sandstone, which is characterized in that including mandrel (11) and be crushed Head (12), one end of the mandrel (11) are connect with the crushing head (12), and the crushing head (12) is far from the mandrel (11) End be equipped with drill bit, the drill bit is set as cylinder, and the bottom end of the drill bit is run through and indulged along the center line of the cylinder To equipped with "u"-shaped groove (121), the drill bit is divided into left drill bit (151) and right drill bit (152) by the "u"-shaped groove (121);
The left drill bit (151) and right drill bit (152) are radially provided with the first oblique blade (20) along excircle inwardly, described " U " Circumferentially outer radial is equipped with the second oblique blade (21), the first oblique blade (20) and second to the medial surface of shape slot (121) Obtuse angle is constituted between oblique blade (21).
2. according to claim 1 can be in the ground borer drill rod of efficient drilling in soil containing sandstone, which is characterized in that described Mandrel (11) is radially provided with pedestal (14), and the pedestal (14) is equipped with cutting tip close to the side of the crushing head (12) (13), the cutting tip (13) is symmetrically distributed in the mandrel (11) perpendicular to the pedestal (14), the pedestal (14) The left and right sides, the cutting tip (13) are arranged along the length direction of the pedestal (14).
3. according to claim 1 can be in the ground borer drill rod of efficient drilling in soil containing sandstone, which is characterized in that described The one end of mandrel (11) far from the crushing head (12) is equipped with connecting bushing (16).
4. according to claim 2 can be in the ground borer drill rod of efficient drilling in soil containing sandstone, which is characterized in that described The other side of the pedestal (14) far from the cutting tip (13) is equipped with two helical blades (17), helical blade (17) coiling The mandrel (11) to top, the rotation direction of two helical blades (17) is set as identical.
5. according to claim 4 can be in the ground borer drill rod of efficient drilling in soil containing sandstone, which is characterized in that described Crushing head (12) is set as the up big and down small frustum of a cone (18) close to one end of the mandrel (11), and the frustum of a cone (18) is set as spiral shell Spin axis, the rotation direction of the helical axis and the rotation direction of the helical blade (17) are set as identical, the left drill bit (151) and right drill bit (152) be rotationally advancing direction be equipped with recess arc-plane (19), the arc-plane (19) be set as helical form and with it is described The rotation direction of helical axis is set as identical.
6. according to claim 4 can be in the ground borer drill rod of efficient drilling in soil containing sandstone, which is characterized in that described Width B at left and right sides of cutting tip (13) is more than the outer diameter D of two helical blades (17).
7. according to claim 1 can be in the ground borer drill rod of efficient drilling in soil containing sandstone, which is characterized in that described The blade of cutting tip (13) is set as obtuse angle along its length.
8. according to claim 1 can be in the ground borer drill rod of efficient drilling in soil containing sandstone, which is characterized in that described The bottom end of crushing head (12) is longitudinally through equipped with venthole (22).
9. according to claim 1 can be in the ground borer drill rod of efficient drilling in soil containing sandstone, which is characterized in that described The obtuse angle constituted between first oblique blade (20) and the second oblique blade (21) is set as 110 degree.
10. according to claim 1 can be in the ground borer drill rod of efficient drilling in soil containing sandstone, which is characterized in that institute It states left drill bit (151) and right drill bit (152) is set as a quarter of the cylinder and circumferentially symmetrical.
CN201820081900.7U 2018-01-17 2018-01-17 It can be in the ground borer drill rod of efficient drilling in soil containing sandstone Expired - Fee Related CN207813520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820081900.7U CN207813520U (en) 2018-01-17 2018-01-17 It can be in the ground borer drill rod of efficient drilling in soil containing sandstone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820081900.7U CN207813520U (en) 2018-01-17 2018-01-17 It can be in the ground borer drill rod of efficient drilling in soil containing sandstone

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110847815A (en) * 2019-11-26 2020-02-28 安徽省徽源电杆有限公司 Drilling equipment is used in wire pole installation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110847815A (en) * 2019-11-26 2020-02-28 安徽省徽源电杆有限公司 Drilling equipment is used in wire pole installation

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180904

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