CN217681589U - Stirring pile machine drill bit suitable for complex geological conditions - Google Patents
Stirring pile machine drill bit suitable for complex geological conditions Download PDFInfo
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- CN217681589U CN217681589U CN202221283709.3U CN202221283709U CN217681589U CN 217681589 U CN217681589 U CN 217681589U CN 202221283709 U CN202221283709 U CN 202221283709U CN 217681589 U CN217681589 U CN 217681589U
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Abstract
The utility model discloses a mixing pile machine drill bit suitable for complex geological conditions, which belongs to the technical field of rock mixing piles and comprises a connecting column, wherein one end of the connecting column is provided with a cutter mounting surface, the cutter mounting surface is provided with a plurality of rock breaking cutters and a telescopic mechanism, and the height of the telescopic mechanism is higher than that of the rock breaking cutters; in addition, the telescopic mechanism comprises a mounting seat, a spring and a conical head are sequentially mounted in the mounting seat, and two ends of the spring are respectively fixed with the bottom of the mounting hole and the bottom surface of the conical head. Through the interact of broken rock cutter and toper post, to the loosening soil of different complexity, frozen soil and piece of rock, the drill bit all can effectively bore soil and broken rock, and simple structure can effectively improve the efficiency of construction, and the engineering practicality is stronger.
Description
The technical field is as follows:
the utility model relates to a rock stirring stake technical field especially relates to a stirring stake machine drill bit that is suitable for complicated geological conditions.
Background art:
a mixing pile machine is a common machine for treating a foundation in foundation engineering. The working mechanism of the mixing pile machine is that a drill bit drills downwards into rock soil, then cement is injected into the soil through a grout spraying opening, then the soil and cement paste are mixed, after the soil and the cement paste are fully mixed, the cement and the soil and the like are subjected to a series of chemical reactions and then are solidified, and further the foundation strength is improved.
In actual engineering, the inner distribution of a foundation is not uniform, some soil layers are soft soil, some soil layers are hard soil, some soil layers even have rocks and the like, and the main problems of the traditional mixing pile machine are that the design of a drill bit part of a mixer is unreasonable, the traditional mixing pile machine is only suitable for a soft soil base, when the hard soil layer or rock layer is met, a common drill bit is difficult to drill, the construction progress is influenced, and the efficiency is low; in addition, the drill bit of the traditional mixing pile machine has poor mixing and stirring effects on the crushed soil and the grouting cement.
In view of the above situation, designers need to design a stirring pile machine drill with a more reasonable structure to meet the requirements of the current situation.
The utility model has the following contents:
in order to make up for the defects of the prior art, the utility model aims to provide a drill bit of a mixing pile machine suitable for complex geological conditions, which solves the problems that the traditional mixing pile machine is only suitable for soft soil bases, and when a hard soil layer or a rock stratum is encountered, a common drill bit is difficult to drill, the construction progress is influenced, and the efficiency is lower; in addition, the soil stirring device can play a certain role in stirring hard soil, frozen soil, rock stratum and the like under complex geological conditions.
The technical scheme of the utility model as follows:
a stirring pile machine drill bit suitable for complex geological conditions comprises a connecting column, wherein one end of the connecting column is a cutter mounting surface, a plurality of rock breaking cutters and a plurality of telescopic mechanisms are arranged on the cutter mounting surface, and the height of each telescopic mechanism is greater than that of each rock breaking cutter; the telescopic mechanism comprises a mounting seat, a mounting hole is formed in the mounting seat, a spring and a conical head are sequentially mounted in the mounting hole, and two ends of the spring are fixed to the bottom of the mounting hole and the bottom of the conical head respectively.
Furthermore, the connecting column consists of a cylindrical section and a conical section, the small end of the conical section is connected with the cylindrical section, the large end of the conical section is a connecting column cutter mounting surface, and the cross section of the cutter mounting surface is formed by inwards recessing the middle of each side of a quadrangle.
Furthermore, a plurality of rock breaking cutters include middle rock breaking cutter, a plurality of rock breaking cutter on every side, middle rock breaking cutter is installed in cutter installation face center, a plurality of rock breaking cutter on every side are the crisscross distribution.
Further, middle broken rock cutter including set up in the middle fixing base at cutter installation face center, two lines of diamond segments are installed at middle fixing base top.
Furthermore, the peripheral rock breaking cutters comprise peripheral fixed seats, a row of diamond tool bits are arranged at the tops of the peripheral fixed seats, and the peripheral rock breaking cutters are radially distributed towards the corners of the cutter mounting surface.
Furthermore, a plurality of telescopic machanism be the crisscross distribution of cross, and with a plurality of broken rock cutter position on every side mutually wrong.
The utility model has the advantages that:
1. the utility model has novel design of the whole structure, the cutter mounting surface is provided with a plurality of rock breaking cutters and a plurality of telescopic mechanisms, and the height of the telescopic mechanisms is greater than that of the rock breaking cutters, so that the rock breaking cutters can be suitable for complex geological conditions such as hard soil, frozen soil, rock stratum and the like, and the problem of piling in high-cold severe cold areas is further solved;
2. the utility model discloses the spliced pole comprises cylinder section and toper column section, and toper column section radial average size is greater than cylinder section radial size, cooperates telescopic machanism, a plurality of broken rock cutters, and telescopic machanism height is greater than broken rock cutter simultaneously, plays certain effect of stirring soil to hard soil, frozen soil, rock stratum etc. of complicated geological conditions;
3. the utility model discloses enlarge the application field of cement stirring stake by a wide margin, and enlarge its application range through novel structural design, prolong the drill bit life-span, reduce the drill bit replacement, to having important meaning on improving the efficiency of construction, the engineering practicality is stronger.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded view of the telescopic mechanism of the present invention.
Reference numerals: 1. connecting columns; 1-1, cylindrical section; 1-2, a conical column section; 2. a cutter mounting surface; 3. a retractable mechanism; 3-1, mounting seats; 3-2, mounting holes; 3-3, a spring; 3-4, a conical head; 4. a middle rock breaking cutter; 4-1, an intermediate fixing seat; 5. a peripheral rock breaking cutter; 5-1, fixing a peripheral fixing seat; 6. a diamond tool bit.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to the attached drawings 1-2, the drill bit of the mixing pile machine suitable for complex geological conditions comprises a connecting column 1, wherein one end of the connecting column 1 is provided with a cutter mounting surface 2, the cutter mounting surface 2 is provided with a plurality of rock breaking cutters and a telescopic mechanism 3, and the height of the telescopic mechanism 3 is greater than that of the rock breaking cutters; the telescopic mechanism 3 comprises a mounting seat 3-1, a mounting hole 3-2 is formed in the mounting seat 3-1, a spring 3-3 and a conical head 3-4 are sequentially arranged in the mounting hole 3-2, and two ends of the spring 3-3 are respectively fixed with the bottom of the mounting hole and the bottom of the conical head.
The connecting column 1 consists of a cylindrical section 1-1 and a conical section 1-2, the small end of the conical section 1-2 is connected with the cylindrical section 1-1 in a welding or other connection mode, and the small end of the conical section 1-2 is not separated from the cylindrical section 1-1; the big end is cutter installation face 2, and 2 cross-sections of cutter installation face comprise the inside indent of each side of quadrangle, and toper column segment 1-2 radial average size is greater than cylinder segment 1-1 radial dimension, helps earth to move to cylinder segment 1-1 direction when the drill bit work on the one hand, and on the other hand when carrying out the cement slip casting, helps the stirring of drill bit for cement mixes with earth fully stirs.
The spring 3-3 in the mounting hole 3-2 is a high-strength spring, the connection mode of the two ends of the spring with the bottom of the mounting hole 3-2 and the bottom surface of the conical head 3-4 is preferably welded, and other connection modes can be adopted, and the spring does not fall off, is firm and stable as the connection requirements of the small end of the conical column section 1-2 and the cylindrical section 1-1 are the same.
Furthermore, the plurality of rock breaking cutters comprise a middle rock breaking cutter 4 and a plurality of peripheral rock breaking cutters 5. The middle rock breaking cutter 4 is arranged in the center of the cutter mounting surface 2 and comprises a middle fixed seat 4-1 arranged in the center of the cutter mounting surface 2, cutter heads are arranged at the top of the middle fixed seat 4-1, the number of the cutter heads is not limited, and two rows of diamond cutter heads 6 are preferably arranged in the embodiment;
a plurality of peripheral fixed seats 5-1 are arranged around the cutter mounting surface 2, and a cutter head is mounted at the top of the cutter mounting surface. In this embodiment, a row of tips, preferably diamond tips 6, is provided on the top of each of the peripheral holders 5-1. Eight groups of peripheral rock breaking cutters 5 are arranged on the cutter mounting surface 2, the peripheral rock breaking cutters 5 are distributed in a cross shape, and are distributed in a radial shape towards each corner of the cutter mounting surface 2.
Furthermore, the number of the telescopic mechanisms 3 is multiple, four groups are preferably selected in the embodiment and distributed in a cross shape, and the telescopic mechanisms 3 are staggered with the plurality of surrounding rock breaking cutters 5.
It should be noted that the rock breaking cutters are matched with the telescopic mechanism 3, and as the height of the telescopic mechanism 3 is greater than that of the rock breaking cutters, when the soil is soft, the conical heads 3-4 of the telescopic mechanism 3 can effectively drill the soil body and the rock breaking, so that the drilling is convenient; when meeting terrane and harder clods, the stressed spring 3-3 is extruded to reduce the height of the telescopic mechanism 3, the rock breaking cutter is stressed to cut the rock mass, and the broken clods and clods are extruded and ejected by the conical head 3-4. Due to the rotation of the drill rod, broken rock blocks and soil blocks are scattered outside the conical column section 1-2 in the continuous working process, the drill bit continues to rotate downwards, and due to the fact that the side face of the conical column section 1-2 is an inclined face, broken soil bodies and rock blocks can be scattered to the periphery and the cylindrical section 1-1 at the upper portion under the rotating effect, and meanwhile the effect of uniform stirring is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A stirring pile machine drill bit suitable for complex geological conditions comprises a connecting column and is characterized in that one end of the connecting column is a cutter mounting surface, a plurality of rock breaking cutters and a plurality of telescopic mechanisms are arranged on the cutter mounting surface, and the height of each telescopic mechanism is greater than that of each rock breaking cutter; the telescopic mechanism comprises a mounting seat, a mounting hole is formed in the mounting seat, a spring and a conical head are sequentially mounted in the mounting hole, and two ends of the spring are fixed to the bottom of the mounting hole and the bottom of the conical head respectively.
2. The mixing pile machine drill bit suitable for complex geological conditions is characterized in that the connecting column is composed of a cylindrical section and a conical section, the small end of the conical section is connected with the cylindrical section, the large end of the conical section is a cutter mounting surface, and the section of the cutter mounting surface is formed by inwards recessing the middle of each side of a quadrangle.
3. The mixing pile machine drill bit suitable for complex geological conditions as claimed in claim 1, wherein the plurality of rock breaking cutters comprise a middle rock breaking cutter and a plurality of peripheral rock breaking cutters, the middle rock breaking cutter is mounted in the center of the cutter mounting surface, and the plurality of peripheral rock breaking cutters are distributed in a crisscross manner.
4. A mixing pile machine drill bit suitable for complex geological conditions as claimed in claim 3, wherein the middle rock breaking cutter comprises a middle fixed seat arranged in the center of the cutter mounting surface, and two rows of diamond cutter heads are mounted on the top of the middle fixed seat.
5. A mixing pile machine drill bit suitable for complex geological conditions, as recited in claim 3, characterized in that said peripheral rock breaking cutters comprise peripheral holders, a row of diamond cutter heads is arranged on top of the peripheral holders, and a plurality of peripheral rock breaking cutters are radially distributed toward each corner of the cutter mounting surface.
6. A mixing pile driver drill bit adapted for complex geological conditions, according to claim 3, characterized in that said plurality of telescoping mechanisms are distributed in a criss-cross pattern, said plurality of telescoping mechanisms being staggered with respect to a plurality of surrounding rock breaking cutters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283709.3U CN217681589U (en) | 2022-05-26 | 2022-05-26 | Stirring pile machine drill bit suitable for complex geological conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283709.3U CN217681589U (en) | 2022-05-26 | 2022-05-26 | Stirring pile machine drill bit suitable for complex geological conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217681589U true CN217681589U (en) | 2022-10-28 |
Family
ID=83703098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221283709.3U Active CN217681589U (en) | 2022-05-26 | 2022-05-26 | Stirring pile machine drill bit suitable for complex geological conditions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217681589U (en) |
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2022
- 2022-05-26 CN CN202221283709.3U patent/CN217681589U/en active Active
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