CN117287124A - Drill bit based on engineering rotary drilling rig - Google Patents

Drill bit based on engineering rotary drilling rig Download PDF

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Publication number
CN117287124A
CN117287124A CN202311414388.5A CN202311414388A CN117287124A CN 117287124 A CN117287124 A CN 117287124A CN 202311414388 A CN202311414388 A CN 202311414388A CN 117287124 A CN117287124 A CN 117287124A
Authority
CN
China
Prior art keywords
drill bit
rotary drilling
drilling rig
limit
limiting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311414388.5A
Other languages
Chinese (zh)
Inventor
唐联盟
孙浩
潘春方
周乾龙
朱凯
樊利兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Hongye Basic Engineering Co ltd
Original Assignee
Changzhou Hongye Basic Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Hongye Basic Engineering Co ltd filed Critical Changzhou Hongye Basic Engineering Co ltd
Priority to CN202311414388.5A priority Critical patent/CN117287124A/en
Publication of CN117287124A publication Critical patent/CN117287124A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a drill bit of a rotary drilling rig based on engineering, which belongs to the technical field of rotary drilling rigs and comprises a rotary drilling rig body, wherein a crawler belt is arranged at the bottom end of the rotary drilling rig body, a rotary drilling mechanism is arranged at one side of the rotary drilling rig body, the rotary drilling mechanism comprises a limit base, a connecting piece corresponding to the limit base is arranged on the rotary drilling rig body, an installation base corresponding to the connecting piece is arranged on the upper surface of the limit base, a second limit screw is arranged at the joint of the installation base and the connecting piece, a drill bit is arranged at the bottom end of the limit base, a first limit groove corresponding to the drill bit is formed in the limit base, and a first limit screw is arranged at the joint of the limit base and the drill bit; the rotary drilling rig is simple in structure and convenient to use, a user can conveniently replace the drill bit, the rotary drilling rig is more flexible to use, and the use experience of the user on the rotary drilling rig is improved.

Description

Drill bit based on engineering rotary drilling rig
Technical Field
The invention relates to the technical field of machinery, in particular to a drill bit based on a rotary drilling rig for engineering.
Background
The rotary drilling rig is also called a rotary drilling rig and a pile driver. The rotary drilling machine is a comprehensive drilling machine, can be used for various bottom layers, and has the characteristics of high pore-forming speed, less pollution, strong maneuverability and the like. The short spiral drill bit can be used for dry digging operation, and the rotary drill bit can also be used for wet digging operation under the condition of slurry wall protection. The rotary drilling machine can be matched with a hammer to drill hard stratum and then carry out hole digging operation, and if matched with an enlarged head drilling tool, hole reaming operation can be carried out at the bottom of the hole. The rotary excavator adopts a multi-layer telescopic drill rod, has the advantages of less drilling auxiliary time, low labor intensity, no need of mud circulation slag discharge and cost saving, and is particularly suitable for foundation construction of urban construction.
The utility model discloses a patent of publication number CN208236330U discloses a rotary drilling rig, including mast, luffing cylinder group, mast hydro-cylinder group and by tripod, link group I, link group II, the parallelogram mechanism that the revolving stage constitutes, still be equipped with initial auxiliary cylinder on the tripod, initial auxiliary cylinder bottom fixed connection is in the rear side on tripod upper portion, the gyro wheel has been installed to initial auxiliary cylinder's free end, the gyro wheel is shortened to the shortest with the bottom contact of the mast of the state of putting down at initial auxiliary cylinder.
The rotary drilling rig has the advantages that the mast can be given an effective lifting acting force at the initial stage of the mast from horizontal adjustment to vertical, normal lifting of the mast is ensured, and deformation of the dumpling joint part of the mast oil cylinder and the mast and the joint part of the small triangle structure and the mast due to larger deviation of the acting force direction at the initial stage of the lifting of the mast is avoided.
However, the drill bit of the drilling machine needs to be matched with the drill bit by increased pressure to drill pile holes, so that the drilling is slow, and the operation efficiency is low.
Disclosure of Invention
In order to solve the problems, the invention provides the following technical scheme:
the technical scheme is that the drill bit of the rotary drilling rig for engineering comprises a rotary drilling rig body, a crawler belt is arranged at the bottom end of the rotary drilling rig body, a rotary drilling mechanism is arranged at one side of the rotary drilling rig body, the rotary drilling mechanism comprises a limit base, a connecting piece corresponding to the limit base is arranged on the rotary drilling rig body, an installation base corresponding to the connecting piece is arranged on the upper surface of the limit base, a second limit screw is arranged at the joint of the installation base and the connecting piece, the bottom end of the limit base is provided with the drill bit, a first limit groove corresponding to the drill bit is arranged on the limit base, a first limit screw is arranged at the joint of the limit base and the drill bit, a cutter bit is arranged at the bottom end of the drill bit, a third limit groove corresponding to the cutter bit is arranged on the drill bit, a scissor type top is arranged in the drill bit, transmission lead screw and a limit bearing is arranged at the joint of the transmission lead screw and the drill bit corresponding to the scissor type top, and a rotary table is arranged at the top end of the drill bit, and a second limit groove corresponding to the rotary table is arranged on the drill bit.
Preferably, the installation base is of a hollow cylinder structure, the bottom end of the installation base is fixedly connected with the limiting base in a welding mode, crushing teeth are arranged at the bottom end of the drill bit, and the crushing teeth and the drill bit are of an integrated structure.
Preferably, the limiting bearing and the drill bit are fixedly connected in a welding mode, and a bearing is arranged at the joint of the drill bit and the shear type top.
Preferably, the top end of the first limiting groove is provided with a limiting protrusion corresponding to the drill bit, and the limiting protrusion and the limiting base are of an integrated structure.
Preferably, the top of drill bit is provided with the spacing sleeve corresponding with spacing arch, and spacing sleeve is hollow cuboid structure, and the installation through-hole corresponding with first spacing screw has been seted up at spacing sleeve's both ends.
Preferably, the limiting sleeve is made of stainless steel, and the limiting sleeve is fixedly connected with the drill bit in a welding mode.
Compared with the prior art, the invention has the following beneficial effects: the rotary drilling machine has the advantages that the structure is simple, the use is convenient, the drill bit is convenient to replace by a user, the use of the rotary drilling machine is more humanized, the use experience of the user on the rotary drilling machine is improved, the diameter of a drilling hole can be enlarged according to the actual use requirement, the functions of the rotary drilling machine are more abundant, and the rotary drilling machine is worthy of popularization and use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural diagram of a rotary digging mechanism according to the present invention;
FIG. 3 is a schematic view of a limiting sleeve according to the present invention;
the invention mainly comprises the following element symbols:
1-rotary drilling rig body, 2-track, 3-rotary drilling mechanism, 4-connecting piece, 31-transfer line, 32-tool bit, 33-first spacing screw, 34-spacing bearing, 35-spacing arch, 36-spacing base, 37-second spacing screw, 38-installation base, 391-first spacing recess, 392-second spacing recess, 393-carousel, 394-spacing sleeve, 395-transfer lead screw, 396-third spacing recess, 397-scissors roof, 398-drill bit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-3, the invention provides a technical scheme that a drill bit based on a rotary drilling rig for engineering comprises a rotary drilling rig body l, a crawler belt 2 is arranged at the bottom end of the rotary drilling rig body 1, a rotary drilling mechanism 3 is arranged at one side of the rotary drilling rig body 1, the rotary drilling mechanism 3 comprises a limit base 36, a connecting piece 4 corresponding to the limit base 36 is arranged on the rotary drilling rig body 1, the connecting piece 4 is used in the prior art, an installation base 38 corresponding to the connecting piece 4 is arranged on the upper surface of the limit base 36, a second limit screw 37 is arranged at the joint of the installation base 38 and the connecting piece 4, a drill bit 398 is arranged at the bottom end of the limit base 36, a first limit groove 391 corresponding to the drill bit 398 is formed in the limit base 36, and a first limit screw 33 is arranged at the joint of the limit base 36 and the drill bit 398;
the bottom end of the drill bit 398 is provided with a cutter head 32, the drill bit 398 is provided with a third limit groove 396 corresponding to the cutter head 32, the interior of the drill bit 398 is provided with a shear type top 397, two ends of the shear type top 397 are welded with a transmission rod 31 corresponding to the cutter head 32, the top end of the drill bit 398 is provided with a transmission screw 395 corresponding to the shear type top 397, the joint of the transmission screw 395 and the drill bit 398 is provided with a limit bearing 34, the top end of the transmission screw 395 is welded with a rotary disc 393, and the drill bit 398 is provided with a second limit groove 392 corresponding to the rotary disc 393;
in order to make the use of the mounting base 38 more reliable, in this embodiment, preferably, the mounting base 38 is a hollow cylinder structure, and the bottom end of the mounting base 38 is fixedly connected with the limiting base 36 by welding;
the bottom of the drill bit 398 is provided with crushing teeth, the crushing teeth and the drill bit 398 are of an integrated structure, in this embodiment, preferably, the limit bearing 34 is fixedly connected with the drill bit 398 in a welding manner, and a bearing is arranged at the joint of the drill bit 398 and the shear type top 397.
Example two
On the basis of the first embodiment, in order to make the replacement of the drill bit 398 more convenient for the user, in this embodiment, preferably, the top end of the first limiting groove 391 is provided with a limiting protrusion 35 corresponding to the drill bit 398, and the limiting protrusion 35 and the limiting base 36 are in an integrally formed structure;
in order to make the fixing of the drill bit 398 more convenient for the user, in this embodiment, preferably, the top end of the drill bit 398 is provided with a limiting sleeve 394 corresponding to the limiting protrusion 35, the limiting sleeve 394 is of a hollow cuboid structure, and two ends of the limiting sleeve 394 are provided with mounting through holes corresponding to the first limiting screws 33;
when the rotary drilling machine is used, the drill bit 398 is limited through the mutual matching of the limiting protrusion 35 and the limiting sleeve 394, so that a user can quickly fix the drill bit 398, the replacement of the drill bit 398 by the user is more convenient, and the use experience of the user on the rotary drilling machine is improved;
in order to make the limiting effect of the limiting sleeve 394 better, in this embodiment, preferably, the material of the limiting sleeve 394 is stainless steel, the fixing mode of the limiting sleeve 394 is not limited, and in this embodiment, preferably, the limiting sleeve 394 is fixedly connected with the drill bit 398 through a welding mode.
The working principle and the use flow of the invention are that when the drill bit 398 is used, when a user needs to replace the drill bit, the first limit screw 33 is dismounted, at the moment, the drill bit 398 which needs to be replaced can be directly dismounted, then the user inserts the drill bit 398 into the limit base 36, the drill bit 398 is rapidly positioned through the mutual matching of the limit sleeve 394 and the limit bulge 35, and then the drill bit is replaced through the first limit screw 33, so that the user can replace the drill bit 398 more conveniently, time and labor are saved, the use of the rotary drilling rig is more humanized, and the use experience of the user on the rotary drilling rig is improved;
when a user needs to enlarge the hole digging diameter of the drill bit 398, the wrench is used for screwing the rotary table 393, so that the rotary table 393 drives the scissor type top 397 to extend to two sides through the transmission screw 395, the scissor type top 397 ejects the drill bit 32 through the transmission rod 31, at the moment, the drill hole diameter of the drill bit 398 is enlarged under the cooperation of the drill bit 32, the user does not need to purchase the drill bit 398 additionally, the cost of the user is reduced, the functions of the rotary drilling rig are more abundant, and the rotary drilling rig is worthy of popularization and use.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The drill bit of the rotary drilling rig for engineering comprises a rotary drilling rig body (1), a crawler belt (2) is arranged at the bottom end of the rotary drilling rig body (1), a rotary drilling mechanism 3 is arranged at one side of the rotary drilling rig body (1), the rotary drilling rig is characterized in that the rotary drilling mechanism 3 comprises a limit base (36), a connecting piece (4) corresponding to the limit base (36) is arranged on the rotary drilling rig body (1), an installation base (38) corresponding to the connecting piece (4) is arranged on the upper surface of the limit base (36), a second limit screw (37) is arranged at the joint of the installation base (38) and the connecting piece (4), a drill bit (398) is arranged at the bottom end of the limit base (36), a first limit groove (391) corresponding to the drill bit (398) is arranged on the limit base (36), a first limit screw (33) is arranged at the joint of the limit base (36) and a cutter head (32), a third limit groove (396) corresponding to the cutter head (32) is arranged on the drill bit (398), a transmission shear bar (397) corresponding to the two ends (397) of the cutter head (31) are arranged inside the drill bit (398), the top of drill bit (398) is provided with transmission lead screw (395) corresponding with scissors formula top (397), and the junction of transmission lead screw (395) and drill bit (398) is provided with spacing bearing (34), and the top of transmission lead screw (395) is provided with carousel (393), has seted up second spacing recess (392) corresponding with carousel (393) on drill bit (398).
2. The drill bit based on the engineering rotary drilling rig according to claim 1, wherein the installation base (38) is of a hollow cylinder structure, the bottom end of the installation base (38) is fixedly connected with the limit base (36) in a welding mode, crushing teeth are arranged at the bottom end of the drill bit (398), and the crushing teeth and the drill bit (398) are of an integrated structure.
3. The drill bit of the rotary drilling rig for engineering according to claim 2, wherein the limiting bearing (34) is fixedly connected with the drill bit (398) in a welding mode, and a bearing is arranged at the joint of the drill bit (398) and the shear type top (397).
4. The drill bit of the rotary drilling rig for engineering according to claim 3, wherein the top end of the first limiting groove (391) is provided with a limiting protrusion (35) corresponding to the drill bit (398), and the limiting protrusion (35) and the limiting base (36) are of an integrated structure.
5. The drill bit based on the engineering rotary drilling rig according to claim 4, wherein the top end of the drill bit (398) is provided with a limiting sleeve (394) corresponding to the limiting protrusion (35), the limiting sleeve (394) is of a hollow cuboid structure, and two ends of the limiting sleeve (394) are provided with mounting through holes corresponding to the first limiting screws (33).
6. The drill bit of the rotary drilling rig for engineering according to claim 5, wherein the limiting sleeve (394) is made of stainless steel, and the limiting sleeve (394) and the drill bit (398) are fixedly connected in a welding mode.
CN202311414388.5A 2023-10-30 2023-10-30 Drill bit based on engineering rotary drilling rig Pending CN117287124A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311414388.5A CN117287124A (en) 2023-10-30 2023-10-30 Drill bit based on engineering rotary drilling rig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311414388.5A CN117287124A (en) 2023-10-30 2023-10-30 Drill bit based on engineering rotary drilling rig

Publications (1)

Publication Number Publication Date
CN117287124A true CN117287124A (en) 2023-12-26

Family

ID=89244509

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311414388.5A Pending CN117287124A (en) 2023-10-30 2023-10-30 Drill bit based on engineering rotary drilling rig

Country Status (1)

Country Link
CN (1) CN117287124A (en)

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