CN212454258U - Cement mixing pile machine guniting drill bit of anti-blocking pipe - Google Patents
Cement mixing pile machine guniting drill bit of anti-blocking pipe Download PDFInfo
- Publication number
- CN212454258U CN212454258U CN202020885113.5U CN202020885113U CN212454258U CN 212454258 U CN212454258 U CN 212454258U CN 202020885113 U CN202020885113 U CN 202020885113U CN 212454258 U CN212454258 U CN 212454258U
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- pipe
- blades
- hollow pipe
- drill bit
- hollow
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- Expired - Fee Related
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- 239000004568 cement Substances 0.000 title claims abstract description 30
- 239000002689 soil Substances 0.000 claims abstract description 30
- 239000011440 grout Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 11
- 239000002002 slurry Substances 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 239000011378 shotcrete Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The cement mixing pile machine guniting drill bit of the anti-blocking pipe comprises a hollow pipe B, a blade B and a grout outlet pipe B; one end of the hollow pipe B is open and the other end is closed along the axial direction; the blades B are at least two groups, each group comprises at least two blades B, and each group is arranged on the outer wall of the hollow pipe B at intervals along the axial direction; a plurality of slurry outlet pipes B are fixedly connected on the outer wall of the hollow pipe B; the blades B are obliquely arranged relative to the radial plane of the hollow pipe B; the mouth of pipe department of going out thick liquid pipe B is equipped with a plurality of fender soil teeth, is equipped with the breach between the adjacent fender soil tooth. The utility model has the advantages of, the in-process of boring under the stirring, the weak soil is by the fender soil tooth extrusion of grout pipe B mouth of pipe department, and flows through from the breach between the adjacent fender soil tooth, and the by the way is in time taken away grout pipe B mouth of pipe department spun grout, has both strengthened the whitewashing efficiency, has avoided the stifled pipe of grout again.
Description
Technical Field
The utility model relates to a building engineering equipment field, especially a cement mixing stake machine whitewashing drill bit of preventing stifled pipe.
Background
The cement mixing pile is a construction form for treating soft foundation, and is characterized by that it adopts cement paste as solidifying agent, utilizes cement mixing pile machine to spray cement paste into soil body and fully mix them so as to make cement and soil produce a series of physical and chemical reactions, and make the soft soil be hardened and raise foundation strength.
The structure of a guniting drill bit of the existing cement mixing pile machine is shown in figures 3-4 and comprises a hollow pipe A4, a blade A5 and a grout outlet pipe A6; one end of the hollow pipe A4 is open along the axial direction, and the other end is closed; two groups of blades A5 are provided, each group comprises at least two blades A5, each group is arranged on the outer wall of the hollow tube A4 at intervals along the axial direction, all the blades A5 in the group are annularly and uniformly distributed on the outer wall of the hollow tube A4, and all the blades A5 of any two adjacent groups are arranged in a staggered mode in the axial direction of the hollow tube B4; the pulp outlet pipe A6 is fixedly connected to the outer wall of the hollow pipe A5, is communicated with the inner cavity of the hollow pipe A4 and is positioned at the upper end of all the blades A5 in the group of blades A5 closest to the closed end of the hollow pipe A4.
The existing cement mixing pile machine guniting drill bit has the following defects: 1. in the construction process, due to the fact that the specific gravity requirement of cement paste is high, the grout outlet pipe A6 is easy to block, and pipe explosion is caused; 2. in the stirring process, the contact area of the blade A5 and the soil body is limited, the stirring effect is poor, cement paste cannot be effectively combined with the soil body, and the pile forming quality is poor.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, and provide a prevent cement mixing stake machine shotcrete drill bit of stifled pipe, it has solved current cement mixing stake machine shotcrete drill bit in the work progress, and grout blocks up out thick liquid pipe A easily, and then arouses the problem of tube explosion, has still solved current cement mixing stake machine shotcrete drill bit and is stirring the in-process, and grout can not effectually combine together with the soil body, becomes the not good problem of stake quality.
The technical scheme of the utility model is that: the cement mixing pile machine guniting drill bit of the anti-blocking pipe comprises a hollow pipe B, a blade B and a grout outlet pipe B; one end of the hollow pipe B is open and the other end is closed along the axial direction; the blades B are at least two groups, each group comprises at least two blades B, each group is arranged on the outer wall of the hollow pipe B at intervals along the axial direction, all the blades B in the group are annularly and uniformly distributed on the outer wall of the hollow pipe A, and all the blades B of any two adjacent groups are arranged in a staggered mode in the axial direction of the hollow pipe B; the plurality of pulp outlet pipes B are fixedly connected to the outer wall of the hollow pipe B, are respectively communicated with the inner cavity of the hollow pipe B and are respectively positioned at the upper ends of all the blades B in the group of blades B closest to the closed end of the hollow pipe B; all the blades B are obliquely arranged relative to the radial plane of the hollow pipe B; the mouth of pipe department of going out thick liquid pipe B is equipped with a plurality of fender soil teeth, is equipped with the breach between the adjacent fender soil tooth.
The utility model discloses further technical scheme is: the blade B is fixedly connected with a plurality of strip-shaped soil crushing teeth on the surface of one side close to the closed end of the hollow tube B, and all the soil crushing teeth on one blade B are arranged in parallel at intervals from near to far away from the hollow tube B.
The utility model discloses still further technical scheme is: the blades B are inclined 5-25 degrees relative to the radial plane of the hollow pipe B.
The utility model discloses a further technical scheme is: the blades B are inclined 15 deg. to the radial plane of the hollow tube B.
The utility model discloses a further technical scheme is: the blades B have three groups, and each group comprises two blades B.
The utility model discloses a further technical scheme is: the soil retaining teeth are in the shape of an isosceles triangle or an isosceles trapezoid.
Compared with the prior art, the utility model have following advantage:
1. in-process that the stirring was bored, the weak soil was extruded by the fender tooth of grout outlet pipe B mouth of pipe department, and flows through from the breach between the adjacent fender tooth, and the passing by way will be in time taken away from grout outlet pipe B spun grout, has both strengthened the whitewashing efficiency, has avoided the stifled pipe of grout again.
2. In the process of drilling under stirring, because blade B slope is arranged thereby can form bigger area of contact with the soft soil, the stirring effect is better.
The invention is further described below with reference to the figures and examples.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural view of a conventional shotcrete drill bit of a cement mixing pile machine;
fig. 4 is a right side view of fig. 3.
Detailed Description
Example 1:
as shown in the figure 1-2, the cement mixing pile machine guniting drill bit for the anti-blocking pipe comprises a hollow pipe B1, a blade B2 and a grout outlet pipe B3.
One end of the hollow pipe B1 is open along the axial direction, the other end is closed, and the open end of the hollow pipe B1 is connected with the cement mixing pile machine.
The blades B2 have three groups, each group comprises two blades B2, each group is arranged on the outer wall of the hollow tube B1 at intervals along the axial direction, all the blades B2 in the group are annularly and uniformly distributed on the outer wall of the hollow tube A1, and all the blades B2 of any two adjacent groups are arranged in a staggered mode in the axial direction of the hollow tube B1 (namely, in two adjacent groups of blades B2, any blade B2 does not have a blade B2 which is opposite to the hollow tube B1 in the axial direction). All the blades B2 are obliquely arranged relative to the radial plane of the hollow tube B1, and the inclination angle is 5-25 degrees.
Two slurry outlet pipes B3 are fixedly connected to the outer wall of the hollow pipe B1, are respectively communicated with the inner cavity of the hollow pipe B1 and are respectively positioned at the upper ends of all the blades B2 in the group of blades B2 closest to the closed end of the hollow pipe B1. The pipe orifice of the grout outlet pipe B3 is provided with a plurality of retaining teeth 31, the retaining teeth 31 are in an isosceles triangle or an isosceles trapezoid, and gaps 32 are arranged between the adjacent retaining teeth 31.
Preferably, the blade B2 is fixed with a plurality of strip-shaped soil crushing teeth 21 on one side surface close to the closed end of the hollow tube B, and all the soil crushing teeth 21 on one blade B2 are arranged in parallel at intervals from near to far away from the hollow tube B1. In the process of drilling under stirring, the soil crushing teeth 21 can break hardened soil blocks, so that cement slurry and soft soil are mixed more uniformly.
Preferably, the vanes B2 are inclined 15 ° to the radial plane of the hollow tube B1.
Preferably, the blades B2 have three sets, each set comprising two blades B1.
Brief description the technical effect of the utility model: in the process of stirring and drilling, the group of blades B2 at the lowest end and the guniting pipe B3 play roles in stirring soft soil and guniting, and the two groups of blades B2 at the upper end play roles in further fully stirring the soft soil and the cement paste. The improved drill bit of the cement mixing pile machine has the advantages of uniform mixing and uniform slurry spraying, the construction progress of 300 m/day can be guaranteed under the ideal construction environment, the quality of the cement mixing pile after construction is high, and the overall construction cost is low.
Claims (6)
1. The cement mixing pile machine guniting drill bit of the anti-blocking pipe comprises a hollow pipe B, a blade B and a grout outlet pipe B; one end of the hollow pipe B is open and the other end is closed along the axial direction; the blades B are at least two groups, each group comprises at least two blades B, each group is arranged on the outer wall of the hollow pipe B at intervals along the axial direction, all the blades B in the group are annularly and uniformly distributed on the outer wall of the hollow pipe A, and all the blades B of any two adjacent groups are arranged in a staggered mode in the axial direction of the hollow pipe B; the plurality of pulp outlet pipes B are fixedly connected to the outer wall of the hollow pipe B, are respectively communicated with the inner cavity of the hollow pipe B and are respectively positioned at the upper ends of all the blades B in the group of blades B closest to the closed end of the hollow pipe B; the method is characterized in that: all the blades B are obliquely arranged relative to the radial plane of the hollow pipe B; the mouth of pipe department of going out thick liquid pipe B is equipped with a plurality of fender soil teeth, is equipped with the breach between the adjacent fender soil tooth.
2. The cement mixing pile machine guniting drill bit with the anti-blocking pipe as set forth in claim 1, is characterized in that: the blade B is fixedly connected with a plurality of strip-shaped soil crushing teeth on the surface of one side close to the closed end of the hollow tube B, and all the soil crushing teeth on one blade B are arranged in parallel at intervals from near to far away from the hollow tube B.
3. The anti-blocking pipe cement mixing pile machine guniting drill bit as claimed in claim 1 or 2, which is characterized in that: the blades B are inclined 5-25 degrees relative to the radial plane of the hollow pipe B.
4. The cement mixing pile machine guniting drill bit of the anti-blocking pipe as set forth in claim 3, wherein: the blades B are inclined 15 deg. to the radial plane of the hollow tube B.
5. The cement mixing pile machine guniting drill bit of the anti-blocking pipe as set forth in claim 4, wherein: the blades B have three groups, and each group comprises two blades B.
6. The anti-blocking pipe cement mixing pile machine guniting drill bit as set forth in claim 5, is characterized in that: the soil retaining teeth are in the shape of an isosceles triangle or an isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020885113.5U CN212454258U (en) | 2020-05-25 | 2020-05-25 | Cement mixing pile machine guniting drill bit of anti-blocking pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020885113.5U CN212454258U (en) | 2020-05-25 | 2020-05-25 | Cement mixing pile machine guniting drill bit of anti-blocking pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212454258U true CN212454258U (en) | 2021-02-02 |
Family
ID=74499844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020885113.5U Expired - Fee Related CN212454258U (en) | 2020-05-25 | 2020-05-25 | Cement mixing pile machine guniting drill bit of anti-blocking pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212454258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309087A (en) * | 2021-06-16 | 2021-08-27 | 汉江生态水利(武汉)有限公司 | Stirring pile construction device and method for dynamically adjusting guniting, lifting and sinking speeds |
-
2020
- 2020-05-25 CN CN202020885113.5U patent/CN212454258U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309087A (en) * | 2021-06-16 | 2021-08-27 | 汉江生态水利(武汉)有限公司 | Stirring pile construction device and method for dynamically adjusting guniting, lifting and sinking speeds |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210202 |