CN210396633U - Rock embedding drill bit of cutting tooth of triaxial mixing pile machine - Google Patents
Rock embedding drill bit of cutting tooth of triaxial mixing pile machine Download PDFInfo
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- CN210396633U CN210396633U CN201921183944.1U CN201921183944U CN210396633U CN 210396633 U CN210396633 U CN 210396633U CN 201921183944 U CN201921183944 U CN 201921183944U CN 210396633 U CN210396633 U CN 210396633U
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Abstract
The utility model provides a triaxial stirring stake machine pick rock-socketed drill bit. The front part of a drill shaft of the three-shaft stirring pile machine is symmetrically provided with a first spiral line stirring blade and a second spiral line stirring blade along the axial direction, the front cutting edge surface of the first spiral line stirring blade is radially provided with a first spiral line stirring blade outer cutting tooth and a first spiral line stirring blade inner cutting tooth, the front cutting edge surface of the second spiral line stirring blade is radially provided with a second spiral line stirring blade outer cutting tooth and a second spiral line stirring blade inner cutting tooth, the center of the top of the front end of the drill shaft of the three-shaft stirring pile machine is provided with a drill shaft center cutting tooth, both sides of the drill shaft center cutting tooth are provided with a drill shaft inner cutting tooth and a drill shaft outer cutting tooth, the outer side of the spiral line stirring blade is embedded with an alloy cutting edge and divided into a sawtooth shape, and the, the pile can be drilled in the weathered granite stratum, the strength of the drill bit is high, the service life is long, and the construction efficiency is improved. The drill bit is suitable for being used as a drill bit of a triaxial mixing pile machine.
Description
Technical Field
The utility model provides a construction equipment stirring stake machine drill bit mainly uses at triaxial stirring stake machine, and specifically speaking is triaxial stirring stake machine pick rock-socketed drill bit.
Background
At present, a drill bit of a triaxial mixing pile machine is only suitable for geological conditions with soil, sandy soil and gravels on the stratum, granite stratum cannot be constructed, and the problem that the design of the material and the structure of the drill bit meets the construction requirement is urgently solved.
Disclosure of Invention
In order to solve triaxial stirring stake machine drill bit material strength and structural design's technical problem, the utility model provides a triaxial stirring stake machine pick drill bit. The drill bit solves the technical problem of the drill bit of the triaxial mixing pile machine by embedding the alloy blade strips at the outer side of the helical mixing blades and dividing the helical mixing blades into a saw-tooth shape and embedding picks at the head of a drill shaft of the triaxial mixing pile machine and the top end of the blade surface of the helical mixing blades.
The utility model provides a scheme that technical problem adopted is:
the drill bits of the three-axis mixing pile machine comprise cutting pick drill bits of three-axis mixing pile machines, wherein rotary guniting shaft drill bits with the same specification and structure are arranged on two sides, a high-pressure air-injecting shaft drill bit is arranged in the middle, the high-pressure air-injecting shaft drill bit and the rotary guniting shaft drill bit have the same structure, the specification and the size are smaller than half of the pitch of a helical mixing blade, and the helical blade is reversely welded;
the front cutting edge face of the first spiral stirring blade is radially provided with a first spiral stirring blade outer cutting tooth and a first spiral stirring blade inner cutting tooth, the front cutting edge face of the second spiral stirring blade is radially provided with a second spiral stirring blade outer cutting tooth and a second spiral stirring blade inner cutting tooth, the center of the top of the front end of the drill shaft of the triaxial stirring pile machine is provided with a drill shaft center cutting tooth, and two sides of the drill shaft center cutting tooth are provided with a drill shaft inner cutting tooth and a drill shaft outer cutting tooth;
the number of turns of the two spiral line stirring blades is half, the inner cutting teeth and the outer cutting teeth of the two groups of spiral line stirring blades are oppositely arranged into a straight line, the axes of the inner cutting teeth and the outer cutting teeth are inclined along the spiral line surface, the rotating track is an adjacent fitted concentric circle, and alloy cutting edges are embedded on the outer sides of the spiral line stirring blades and are divided into sawtooth shapes;
the cutting teeth at the center of the drill spindle and the inner and outer cutting teeth of the drill spindle are positioned on the same straight line and are vertically arranged with the cutting teeth on the helical line stirring blade, the axes of the inner and outer cutting teeth of the drill spindle are inclined along the rotation direction, and the rotation track is an adjacent fitted concentric circle;
the cutting teeth at the center of the drill spindle are positioned at the top end of the drill bit, the inner cutting teeth, the outer cutting teeth and the inner cutting teeth and the outer cutting teeth of the spiral line stirring blades of the drill spindle are sequentially extended and furled outwards, and the rotating track is a cone.
Positive effect, because the utility model discloses an alloy blade is inlayed in the helix stirring vane outside and cut apart into sawtooth shape and inlay the pick on triaxial stirring stake machine drill spindle head portion, helix stirring vane cutting surface top for the drill bit cutting is sharp, the tunnelling stirring is rapid, and granite weathering stratum also can bore the stake, and drill bit intensity is high, guarantees stake hole diameter, and long service life improves the efficiency of construction, reduces working cost. The drill bit is suitable for being used as a drill bit of a triaxial mixing pile machine.
Drawings
FIG. 1 is a schematic structural diagram of a cutting pick rock-socketed drill bit of a triaxial mixing pile machine.
In the drawing, 1, a drill spindle of a triaxial mixing pile machine, 2, a first spiral line mixing blade, 3, a second spiral line mixing blade, 4, a central cutting tooth of the drill spindle, 5, an inner cutting tooth of the drill spindle, 6, an outer cutting tooth of the drill spindle, 7, an outer cutting tooth of the first spiral line mixing blade, 8, an inner cutting tooth of the first spiral line mixing blade, 9, an outer cutting tooth of the second spiral line mixing blade, and 10, an inner cutting tooth of the second spiral line mixing blade.
Detailed Description
According to the figure, a group of three-shaft mixing pile machine drill bits consists of three-shaft mixing pile machine cutting pick drill bits, wherein two sides of the three-shaft mixing pile machine cutting pick drill bits are rotary guniting shaft drill bits with the same specification and structure, the middle of the three-shaft mixing pile machine cutting pick drill bits is a high-pressure air-injecting shaft drill bit, the high-pressure air-injecting shaft drill bits and the rotary guniting shaft drill bits have the same structure, the specification and the size are smaller than half of the pitch;
a first spiral line stirring blade 2 and a second spiral line stirring blade 3 are symmetrically arranged in the front part of a drill shaft 1 of a triaxial stirring pile machine along the axis direction, a first spiral line stirring blade outer cutting tooth 7 and a first spiral line stirring blade inner cutting tooth 8 are radially arranged on the front cutting edge face of the first spiral line stirring blade, a second spiral line stirring blade outer cutting tooth 9 and a second spiral line stirring blade inner cutting tooth 10 are radially arranged on the front cutting edge face of the second spiral line stirring blade, a drill shaft center cutting tooth 4 is arranged in the center of the top of the front end of the drill shaft of the triaxial stirring pile machine, and a drill shaft inner cutting tooth 5 and a drill shaft outer cutting tooth 6 are arranged on two sides of the drill shaft;
the number of turns of the two spiral line stirring blades is half, the inner cutting teeth and the outer cutting teeth of the two groups of spiral line stirring blades are oppositely arranged into a straight line, the axes of the inner cutting teeth and the outer cutting teeth are inclined along the spiral line surface, the rotating track is an adjacent fitted concentric circle, and alloy cutting edges are embedded on the outer sides of the spiral line stirring blades and are divided into sawtooth shapes;
the cutting teeth at the center of the drill spindle and the inner and outer cutting teeth of the drill spindle are positioned on the same straight line and are vertically arranged with the cutting teeth on the helical line stirring blade, the axes of the inner and outer cutting teeth of the drill spindle are inclined along the rotation direction, and the rotation track is an adjacent fitted concentric circle;
the cutting teeth at the center of the drill spindle are positioned at the top end of the drill bit, the inner cutting teeth, the outer cutting teeth and the inner cutting teeth and the outer cutting teeth of the spiral line stirring blades of the drill spindle are sequentially extended and furled outwards, and the rotating track is a cone.
The utility model has the characteristics that:
1. the spiral line stirring blades of the cutting tooth drill bit of the three-shaft stirring pile machine are the same as the cutting tooth embedding materials, so that spare parts and management of construction are facilitated, the high-pressure jet shaft drill bit is half of the pitch length of the spiral line stirring blades smaller than a rotary jet shaft drill bit, so that the drill bit is stable in tunneling, rotary tracks are sequentially connected, and cement and soil layers are fully and uniformly stirred;
2. alloy blade strips are embedded on the outer sides of the spiral line stirring blades and are divided into sawtooth shapes, so that the size requirement of a pile hole is met;
3. the cutting pick is inlayed at triaxial stirring stake machine drill spindle head portion, helix stirring vane cutting surface top for extension drill bit life reduces construction cost, and it is easy to go into the weathering rock.
Claims (4)
1. Triaxial stirring stake machine pick rock-socketed drill bit, a set of triaxial stirring stake machine drill bit comprises three triaxial stirring stake machine pick drill bits, and both sides are the rotatory jet grouting axle drill bit with specification, structure, and the centre is the high-pressure jet grouting axle drill bit, and the high-pressure jet grouting axle drill bit has the same structure with rotatory jet grouting axle drill bit, and the little half helix stirring vane pitch of specification and size, helical blade reverse welding, characterized by: the axial direction symmetry sets up first helix stirring vane (2) and second helix stirring vane (3) at triaxial stirring stake machine drill spindle (1) front portion, first helix stirring vane front face radially is equipped with pick (7) outside the first helix stirring vane and pick (8) in the first helix stirring vane, second helix stirring vane front face radially is equipped with pick (10) in outer pick (9) of second helix stirring vane and the second helix stirring vane, triaxial stirring stake machine drill spindle front end top center is equipped with drill spindle center pick (4), drill spindle center pick both sides are equipped with pick (5) in the drill spindle and drill spindle outer pick (6).
2. The rock-socketed drill bit of the cutting pick of the triaxial mixing pile machine as claimed in claim 1, which is characterized in that: the number of turns of the two spiral line stirring blades is half a turn, the inner cutting teeth and the outer cutting teeth of the two groups of spiral line stirring blades are oppositely arranged to form a straight line, the axes of the inner cutting teeth and the outer cutting teeth are inclined along the spiral line surface, the rotating track is a concentric circle of adjacent fitting, and the alloy cutting edge is embedded on the outer side of each spiral line stirring blade and is divided into a sawtooth shape.
3. The rock-socketed drill bit of the cutting pick of the triaxial mixing pile machine as claimed in claim 1, which is characterized in that: the cutting teeth at the center of the drill spindle and the inner and outer cutting teeth of the drill spindle are positioned on the same straight line and are vertically arranged with the cutting teeth on the spiral line stirring blade, the axes of the inner and outer cutting teeth of the drill spindle are inclined along the rotating direction, and the rotating track is an adjacent fitted concentric circle.
4. The rock-socketed drill bit of the cutting pick of the triaxial mixing pile machine as claimed in claim 1, which is characterized in that: the cutting teeth at the center of the drill spindle are positioned at the top end of the drill bit, the inner cutting teeth, the outer cutting teeth and the inner cutting teeth and the outer cutting teeth of the spiral line stirring blades of the drill spindle are sequentially extended and furled outwards, and the rotating track is a cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921183944.1U CN210396633U (en) | 2019-07-21 | 2019-07-21 | Rock embedding drill bit of cutting tooth of triaxial mixing pile machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921183944.1U CN210396633U (en) | 2019-07-21 | 2019-07-21 | Rock embedding drill bit of cutting tooth of triaxial mixing pile machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210396633U true CN210396633U (en) | 2020-04-24 |
Family
ID=70356491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921183944.1U Active CN210396633U (en) | 2019-07-21 | 2019-07-21 | Rock embedding drill bit of cutting tooth of triaxial mixing pile machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210396633U (en) |
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2019
- 2019-07-21 CN CN201921183944.1U patent/CN210396633U/en active Active
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