CN219119162U - Prevent stake machine drill bit device of lateral deviation - Google Patents

Prevent stake machine drill bit device of lateral deviation Download PDF

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Publication number
CN219119162U
CN219119162U CN202223491988.5U CN202223491988U CN219119162U CN 219119162 U CN219119162 U CN 219119162U CN 202223491988 U CN202223491988 U CN 202223491988U CN 219119162 U CN219119162 U CN 219119162U
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China
Prior art keywords
drill bit
barrel
bit
pile driver
cone
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CN202223491988.5U
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白彦杰
何锐
肖长柏
简涛
吴昊
邱涟漪
姚文鹏
何湘桂
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East China Jiaotong University
Nanchang Railway Engineering Co Ltd of China Railway 24th Bureau Group Co Ltd
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East China Jiaotong University
Nanchang Railway Engineering Co Ltd of China Railway 24th Bureau Group Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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Abstract

The utility model relates to the technical field of pile driver construction, and particularly discloses a pile driver drill bit device capable of preventing transverse deviation. Comprises a drill bit matrix; the drill bit matrix comprises a barrel drill bit and a cone drill bit; the cone drill bit is fixedly arranged in the inner cavity of the barrel drill bit; the round barrel drill bit peripheral wall is provided with a plurality of round holes, and a bullet type alloy head is fixedly arranged at the top end of the round barrel drill bit far away from the round holes; the conical outer wall of the conical drill bit is provided with cutting teeth; a reinforced steel plate is fixedly arranged at the joint of the barrel drill bit and the conical drill bit; under the geological conditions of uneven hardness of soil or larger inclination degree of rock stratum, the device solves the phenomena of well drilling deflection and deflection caused by extremely easy transverse deflection of the drill bit, and improves the bearing capacity of pile foundations, the safety of engineering structures and the accuracy of drilling positions.

Description

Prevent stake machine drill bit device of lateral deviation
Technical Field
The utility model relates to the technical field of pile driver construction, in particular to a pile driver drill bit device capable of preventing transverse deviation.
Background
In actual engineering, foundation soil layers are frequently staggered in soft and hard, and rock formations with larger dip angles often appear. For rock stratum with larger dip angle, when the pile machine is used for vertically drilling, the drill bit of the pile machine is easily influenced by uneven soil hardness or larger rock stratum inclination degree, so that the drill bit is deviated to one side with softer geology, the requirements of modern engineering construction on construction technology are higher and higher, and the refinement of the drill bit is increasingly remarkable.
In the prior art, the pile driver drill bit is provided with a drag bit, a cage type drill bit and a hedgehog type drill bit which are all conical, the shape is simple in structure and small in power load, but under geological conditions of uneven soil hardness or large rock stratum inclination, the drill bit is extremely easy to transversely deviate, and further drilling deviation and deflection are caused, so that pile foundation bearing capacity and engineering structure safety are seriously affected.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a pile driver drill bit device for preventing transverse deviation.
According to an embodiment of the first aspect of the present utility model, a pile driver bit assembly for preventing lateral offset includes:
a drill bit base;
the drill bit matrix comprises a barrel drill bit and a cone drill bit; the cone drill bit is fixedly arranged in the inner cavity of the barrel drill bit; the round barrel drill bit peripheral wall is provided with a plurality of round holes, and a bullet type alloy head is fixedly arranged at the top end of the round barrel drill bit far away from the round holes; the conical outer wall of the conical drill bit is provided with cutting teeth; the reinforced steel plate is fixedly arranged at the joint of the barrel drill bit and the conical drill bit.
According to the pile driver drill bit device for preventing the transverse deviation, when the pile driver drill bit device is used for drilling under geological conditions of uneven soil hardness or large rock stratum inclination, a circular ring groove is formed on the surface of a rock stratum through the arrangement of the barrel drill bit and the bullet type alloy head, and the circular ring groove plays a role in limiting the pile driver drill bit device in the horizontal direction so as to prevent the pile driver drill bit device from transversely deviating; by the arrangement of the round holes, the rock stratum soil in the inner cavity of the barrel drill bit is discharged, the downward detection resistance of the pile driver drill bit is reduced, and the working efficiency is improved; when the drill bit matrix is continuously and slowly downwards detected, the conical drill bit is drilled after contacting the rock stratum through the arrangement of the conical drill bit and the cutting teeth, and the drill bit of the pile driver is limited; the drilling accuracy is higher, the pile foundation bearing capacity and the safety of engineering structures are improved, and the pile driver drill bit is used for drilling more conveniently.
According to some embodiments of the utility model, the barrel drill bit is in the shape of a cylindrical cavity; the barrel drill bit is coaxial with the cone drill bit; the included angle formed by the axis of the bullet-shaped alloy head and the surface of the top end of the barrel drill bit is 40-80 degrees; the bullet-shaped alloy heads are uniformly distributed on the top end surface of the barrel drill head at equal intervals; through the coaxial design of the barrel drill bit and the cone drill bit, when the pile driver drill bit is used for drilling, the drilling efficiency is higher, and meanwhile, the barrel drill bit and the cone drill bit are more convenient to process and produce; the included angle formed by the axis of the bullet-shaped alloy head and the surface of the top end of the barrel drill bit is 40-80 degrees, so that the grabbing force of the bullet-shaped alloy head is improved, and a circular ring-shaped groove is formed rapidly during drilling, so that the pile driver drill bit device is limited in the horizontal direction.
According to some embodiments of the utility model, the round holes are uniformly and equidistantly distributed on the circumferential wall of the barrel drill bit, and the round holes are equidistant from the bottom end of the barrel drill bit. The cutting teeth are conical; the included angle formed by the axis of the cutting tooth and the axis of the cone drill bit is 10-45 degrees; the cutting teeth are uniformly and equidistantly distributed on the conical outer wall of the conical drill bit; uniformly and equidistantly distributed through round holes; the rock stratum soil in the inner cavity of the barrel drill bit is conveniently discharged, so that the resistance of the drill bit during downward exploration is reduced; through the included angle between the axis of the cutting tooth and the axis of the cone drill bit is 10-45 degrees, the ground grabbing force of the cutting tooth is improved during machining, the efficiency is higher during drilling, and well drilling deviation and deflection are avoided more effectively.
According to some embodiments of the utility model, the reinforced steel plate is in a right triangle shape, the bevel edge of the reinforced steel plate is connected with the conical outer wall of the conical drill bit, and the vertical edge of the reinforced steel plate is connected with the inner wall of the cylindrical drill bit; through the setting of reinforcement steel sheet, make the cone drill bit with the cask drill bit junction is more firm, has improved the compressive strength of stake machine drill bit simultaneously, through the reinforcement steel sheet is right angle triangle body shape setting, and the convenience is made things convenient for the processing of reinforcement steel sheet, simultaneously convenient fixed set up in the cone drill bit with between the cask drill bit, when drilling, the reinforcement steel sheet can extrude the rotation to stratum soil in the cask drill bit inner chamber, makes things convenient for cask drill bit inner chamber stratum soil to discharge, improves the efficiency of drilling.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a construction of a pile driver bit assembly for preventing lateral misalignment according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a construction of a pile driver bit assembly according to an embodiment of the present utility model in operation;
reference numerals:
100. a drill bit base;
110. a barrel drill bit; 111. a bullet-type alloy head; 112. a round hole;
120. a conical drill bit; 121. cutting teeth;
130. reinforcing the steel plate.
Detailed Description
The following detailed description of embodiments of the present utility model is exemplary, with reference to the accompanying drawings, it being understood that the specific embodiments described herein are merely illustrative of the application and not intended to limit the application.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, the present embodiment provides a pile driver bit device for preventing lateral offset, including:
a bit body 100;
the drill bit matrix 100 includes a barrel drill bit 110 and a cone drill bit 120; the cone drill bit 120 is fixedly arranged in the inner cavity of the barrel drill bit 110; a plurality of round holes 112 are formed in the peripheral wall of the barrel drill bit 110, and a bullet-shaped alloy head 111 is fixedly arranged at the top end of the barrel drill bit 110 far away from the round holes 112; the conical outer wall of the conical drill bit 120 is provided with cutting teeth 121; the joint of the drum bit 110 and the cone bit 120 is fixedly provided with a reinforced steel plate 130. When the pile driver bit device drills under geological conditions with uneven soil hardness or larger stratum inclination, circular ring grooves are formed on the surface of the stratum through the arrangement of the barrel bit 110 and the bullet type alloy head 111, the circular ring grooves play a role in limiting the pile driver bit device in the horizontal direction, the pile driver bit device is prevented from being transversely deflected, stratum soil in the inner cavity of the barrel bit 110 is discharged through the arrangement of the circular holes 112, the downward detection resistance of the pile driver bit is reduced, the working efficiency is improved, and when the drill bit matrix 100 is continuously and slowly detected down, the conical bit 120 is drilled after contacting the stratum through the arrangement of the conical bit 120 and the cutting teeth 121, and the pile driver bit is limited; the drilling accuracy is higher, the pile foundation bearing capacity and the safety of engineering structures are improved, and the pile driver drill bit is used for drilling more conveniently.
Further, the barrel drill 110 is in the shape of a cylindrical cavity; the barrel bit 110 is coaxial with the cone bit 120; the included angle formed by the axis of the bullet-shaped alloy head 111 and the top end face of the barrel drill bit 110 is 40-80 degrees; a plurality of bullet-shaped alloy heads 111 are uniformly distributed on the top end surface of the barrel drill bit 110 at equal intervals; through the coaxial design of the barrel drill bit 110 and the cone drill bit 120, when the pile driver drill bit drills, the drilling efficiency is higher, and meanwhile, the barrel drill bit 110 and the cone drill bit 120 are more convenient to process and produce; through the included angle formed by the axis of the bullet-shaped alloy head 111 and the top surface of the barrel drill bit 110 is 40-80 degrees, the grabbing force of the bullet-shaped alloy head 111 is improved, so that a circular groove is formed rapidly during drilling, and the pile driver drill bit device is limited in the horizontal direction.
Further, the circular holes 112 are uniformly and equidistantly distributed on the peripheral wall of the barrel drill 110, and the distances between the circular holes 112 and the bottom end of the barrel drill 110 are equal; the cutting teeth 121 are tapered; the included angle between the axis of the cutting teeth 121 and the axis of the cone drill bit 120 is 10-45 degrees; the cutting teeth 121 are uniformly and equidistantly distributed on the conical outer wall of the conical drill bit 120; evenly distributed at equal intervals through the round holes 121; the rock stratum soil in the inner cavity 110 of the barrel drill bit is conveniently discharged, so that the resistance of the drill bit during downward exploration is reduced; through the included angle between the axis of the cutting teeth 121 and the axis of the cone drill bit 120 being 10-45 degrees, the grip force of the cutting teeth 121 is improved during processing, the efficiency is higher during drilling, and meanwhile, well drilling offset and deflection are effectively avoided.
Further, the reinforced steel plates 130 are provided in several numbers; and the reinforced steel plates 130 are uniformly distributed at equal intervals; the reinforced steel plate 130 is in a right-angle triangle shape, the inclined edge of the reinforced steel plate 130 is connected with the conical outer wall of the conical drill bit 120, and the vertical edge of the reinforced steel plate 130 is connected with the inner wall of the barrel drill bit 110; through the arrangement of the reinforced steel plate 130, the joint of the conical drill bit 120 and the barrel drill bit 110 is firmer, and meanwhile, the compressive strength of the pile driver drill bit is improved, and the reinforced steel plate 130 is arranged in a right-angle triangle shape, so that the reinforced steel plate 130 is convenient to process, and is convenient to fix and arrange between the conical drill bit 120 and the barrel drill bit 110, and during drilling, the reinforced steel plate 130 can enable rock stratum soil in the inner cavity of the barrel drill bit 110 to extrude and rotate, so that the rock stratum soil in the inner cavity of the barrel drill bit 110 is convenient to discharge; and the drilling efficiency is improved.
Example 2
Referring to fig. 1 and 2, the present embodiment provides a working principle of a pile driver bit device for preventing lateral offset, including:
one end of the drill bit matrix 100 can be connected to a drill rod in a welding or bolting mode, and when drilling is performed under geological conditions with uneven soil hardness or large rock stratum inclination; the bit body 100 is rotated; the bullet type alloy head 111 contacts the surface of the soil layer earlier, because the pile driver bit is penetrating downwards, the bullet type alloy head 111 forms circular ring type groove resistance at the stratum little, at this moment, the pile driver bit does not produce horizontal deviation, and when the pile driver bit is penetrating downwards, circular ring type groove depth increases, thereby right the pile driver bit device plays the spacing effect of horizontal direction, the cone bit 120 continues to drill downwards, guarantees that its direction is vertical downwards, makes the accuracy of drilling higher, thereby improves pile foundation bearing capacity and engineering structure's security, has avoided the drill bit horizontal deviation to lead to drilling deviation and shifting.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application for the embodiment. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly understand that the embodiments described herein may be combined with other embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. A stake machine drill head device for preventing lateral shifting, comprising:
a drill bit base (100);
the drill bit matrix (100) comprises a barrel drill bit (110) and a cone drill bit (120); the cone drill bit (120) is fixedly arranged in the inner cavity of the barrel drill bit (110); a plurality of round holes (112) are formed in the peripheral wall of the barrel drill bit (110), and a bullet-shaped alloy head (111) is fixedly arranged at the top end of the barrel drill bit (110) away from the round holes (112); the conical outer wall of the conical drill bit (120) is provided with cutting teeth (121); the joint of the barrel drill bit (110) and the cone drill bit (120) is fixedly provided with a reinforced steel plate (130).
2. A pile driver bit arrangement against lateral displacement according to claim 1, characterised in that the barrel bit (110) is in the shape of a cylindrical cavity; the barrel drill (110) is coaxially disposed with the cone drill bit (120).
3. A pile driver bit arrangement against lateral deflection according to claim 1, characterized in that the angle between the axis of the bullet-shaped alloy head (111) and the top surface of the barrel bit (110) is in the range of 40-80 °; the top end surface of the barrel drill bit (110) is uniformly distributed with a plurality of bullet-shaped alloy heads (111) at equal intervals.
4. A pile driver drill bit arrangement according to claim 1, characterized in that the round holes (112) are evenly equally distributed on the circumference of the barrel drill bit (110), and that the round holes (112) are equidistant from the bottom end of the barrel drill bit (110).
5. A pile driver bit arrangement against lateral displacement according to claim 1, characterised in that the cutting teeth (121) are tapered; the included angle formed by the axis of the cutting tooth (121) and the axis of the cone drill bit (120) is 10-45 degrees.
6. A pile driver bit arrangement against lateral shifting according to claim 5, characterized in that the cutting teeth (121) are equally distributed on the conical outer wall of the conical bit (120).
7. A pile driver drill bit arrangement against lateral offset according to claim 1, characterized in that the reinforcement steel plates (130) are provided in several; and the reinforced steel plates (130) are uniformly distributed at equal intervals.
8. The pile driver bit assembly of claim 7, wherein the reinforcement steel plate (130) has a right triangle shape, the hypotenuse of the reinforcement steel plate (130) is connected to the conical outer wall of the cone bit (120), and the vertical side of the reinforcement steel plate (130) is connected to the inner wall of the barrel bit (110).
CN202223491988.5U 2022-12-27 2022-12-27 Prevent stake machine drill bit device of lateral deviation Active CN219119162U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223491988.5U CN219119162U (en) 2022-12-27 2022-12-27 Prevent stake machine drill bit device of lateral deviation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223491988.5U CN219119162U (en) 2022-12-27 2022-12-27 Prevent stake machine drill bit device of lateral deviation

Publications (1)

Publication Number Publication Date
CN219119162U true CN219119162U (en) 2023-06-02

Family

ID=86528766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223491988.5U Active CN219119162U (en) 2022-12-27 2022-12-27 Prevent stake machine drill bit device of lateral deviation

Country Status (1)

Country Link
CN (1) CN219119162U (en)

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