CN212358264U - Micro-disturbance cutting stirring grouting system - Google Patents
Micro-disturbance cutting stirring grouting system Download PDFInfo
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- CN212358264U CN212358264U CN202020929556.XU CN202020929556U CN212358264U CN 212358264 U CN212358264 U CN 212358264U CN 202020929556 U CN202020929556 U CN 202020929556U CN 212358264 U CN212358264 U CN 212358264U
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Abstract
The utility model discloses a perturbation stirring slip casting system that cuts, it is including the store thick liquid ware, grouting pump and the cutting slip casting stirring subassembly of pipeline intercommunication in proper order, wherein cutting slip casting stirring subassembly includes: the upper end of the drill rod is connected with an output pipeline of the grouting pump through a fluid director; the cutting and stirring drill bit is connected with the lower end of the drill rod; the stirring drilling machine comprises a machine body and an upright post connected with the machine body; the power head is connected with the upright column of the stirring drilling machine in a sliding manner and is provided with a drill rod holding device; wherein the fluid director, the drill rod and the cutting and stirring drill bit are all internally provided with communicated guniting channels; the method is characterized in that: the drill rod comprises an inner hexagonal connecting end at the lower end, a drill rod guniting channel, a drill rod body and an outer hexagonal connecting end at the upper end, wherein the inner hexagonal connecting end at the lower end is connected with the cutting and stirring drill bit, the outer hexagonal connecting end at the upper end is connected with the fluid director, the drill rod guniting channel is communicated with the fluid director guniting channel, and the surface of the drill rod body comprises at least two uniformly arranged planes.
Description
Technical Field
The utility model relates to a cutting stirring slip casting system of foundation reinforcement construction, more specifically say and relate to a perturbation cutting stirring slip casting system.
Background
The cement stirring foundation strengthening is one method of strengthening saturated soft clay foundation, and the cement is used as curing agent and is forcedly stirred with foundation soil in cutting and grouting stirring system to form foundation with integrity, water stability and certain strength. The cutting grouting stirring device forcibly mixes the cement paste pressed into the soft soil with the surrounding soft soil by using a rotating stirring blade to form a mud reinforcing body.
Existing cutting grouting mixing systems typically include: the pipeline is communicated with the slurry storage device, the grouting pump and the cutting grouting stirring assembly. And the cutting grouting stirring assembly further comprises: the upper end of the drill rod is connected with an output pipeline of the grouting pump through a fluid director; the cutting and stirring drill bit is connected with the lower end of the drill rod; the stirring drilling machine comprises a machine body and an upright post connected with the machine body; the power head is connected with the upright column of the stirring drilling machine in a sliding manner and is provided with a drill rod holding device; wherein the fluid director, the drill rod and the cutting and stirring drill bit are all internally provided with communicated guniting channels. The drill rod is usually a circular drill rod, the drill rod is held tightly after soil body collapse occurs in the construction process, the underground grouting pressure rises sharply, the ground is raised, surrounding pipelines are damaged, and in the large-torque construction process, sufficient torque is difficult to provide only by means of friction between a clamp and the drill rod, and the slipping phenomenon occurs. In addition, in the existing cutting and stirring drill bit, the ground soil and the cement paste which are cut into pieces form a spiral uneven reinforcing body under the action of the rotating stirring blade in actual construction, so compressed gas is often introduced, the phenomenon of spiral unevenness of the ground soil and the cement paste is broken by stirring of the compressed gas, however, the uniformity of the reinforcing body cannot be completely improved, and the reinforcing body is loosened due to trapped gas.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a perturbation cutting stirring slip casting system is provided, its technical scheme who adopts is: the utility model provides a perturbation moves cutting stirring slip casting system, it includes the store thick liquid ware, grouting pump and the cutting slip casting stirring subassembly of pipeline intercommunication in proper order, wherein the cutting slip casting stirring subassembly includes: the upper end of the drill rod is connected with an output pipeline of the grouting pump through a fluid director; the cutting and stirring drill bit is connected with the lower end of the drill rod; the stirring drilling machine comprises a machine body and an upright post connected with the machine body; the power head is connected with the upright column of the stirring drilling machine in a sliding manner and is provided with a drill rod holding device; wherein the fluid director, the drill rod and the cutting and stirring drill bit are all internally provided with communicated guniting channels; the method is characterized in that: the drill rod comprises an inner hexagonal connecting end at the lower end, a drill rod guniting channel, a drill rod body and an outer hexagonal connecting end at the upper end, wherein the inner hexagonal connecting end at the lower end is connected with the cutting and stirring drill bit, the outer hexagonal connecting end at the upper end is connected with the fluid director, the drill rod guniting channel is communicated with the fluid director guniting channel, and the surface of the drill rod body comprises at least two uniformly arranged planes.
The utility model discloses further technical characteristic is:
the cutting and stirring drill bit comprises a drill bit rod, a drill bit and a stirring blade, wherein the drill bit rod is connected with the lower end of a drill rod and is provided with a guniting channel and a nozzle, the drill bit is arranged at one end of the drill bit rod and is provided with a cutting tool bit, the stirring blade is arranged on the drill bit rod, a spoiler is further arranged between the drill bit and the stirring blade on the drill bit rod, and the spoiler moves up and down along with the drill bit rod without rotating along with the drill bit rod.
The spoiler comprises spoiler blades, a wear-resistant ring and a rib plate, wherein the wear-resistant ring is sleeved on the drill rod and is in clearance fit with the drill rod.
The length of the spoiler is greater than that of the drill bit and that of the stirring blade.
And the drill rod is provided with a limiting device for limiting the up-and-down movement of the wear-resistant ring.
The utility model has the advantages that:
1. because the surface of the drill rod body of the utility model comprises at least two planes which are uniformly arranged, a grout returning channel can be formed outside the planes in the rotating process of the drill rod body, so that an underground guniting pressure area is communicated with the ground, grouting pressure is released, and ground pressure is kept stable; meanwhile, in the rotating process of the drill rod body, due to the existence of the plane, the collapsed soil body is continuously stirred, the drill rod is prevented from being tightly held by the soil body, and the problems of ground uplift and slipping of a drilling tool can be effectively solved.
2. Because the cutting stirring drill bit in the utility model is still provided with the spoiler between drill bit and stirring vane on the drill bit pole, the spoiler does not rotate along with the drill bit pole along with drill bit pole up-and-down motion, like this in the cutting slip casting stirring process of pushing down, the drill bit is rotatory simultaneously and is pushed down, cement thick liquid gets into the whitewashing passageway in the drill bit pole, then spout through the nozzle, the cutting tool bit on the drill bit destroys the foundation soil, in the process that the foundation soil is constantly destroyed, the spoiler only pushes down not rotate, disturb the fluid flow direction that forms when the drill bit revolves, make cement thick liquid and foundation soil fully stir and mix, form the cement soil column mixed liquid of certain diameter in the soil; in the lifting cutting and slurry supplementing stirring process, the drill bit is lifted while rotating reversely, cement slurry enters a slurry spraying channel in a drill bit rod and is sprayed out through a nozzle, stirring blades perform secondary stirring on cement-soil columnar mixed liquid, in the continuous stirring process of the stirring blades, a stirring spoiler is only lifted and does not rotate, the flowing direction of fluid formed when the stirring blades rotate is disturbed, the cement slurry and foundation soil are fully stirred and mixed, a cement-soil columnar solidification body with a certain diameter is formed in the soil, the cutting and stirring drill bit can achieve uniform stirring through the downward cutting, grouting and stirring process and the lifting cutting and slurry supplementing stirring process, and therefore the quality of cement stirring foundation reinforcement is guaranteed.
Drawings
FIG. 1 is a graph showing the results of one embodiment of the present invention;
FIG. 2 is a schematic structural view of the drill rod of FIG. 1;
FIG. 3 is an enlarged cross-sectional view of the drill rod body of FIG. 1;
FIG. 4 is a front view of the configuration of the cutting and stirring drill bit of FIG. 1;
FIG. 5 is a side view of the cutting and blending bit of FIG. 4;
fig. 6 is a schematic cross-sectional view of the spoiler of fig. 5.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 6, a perturbation cutting and stirring grouting system comprises a slurry storage device 1, a grouting pump 2 and a cutting and grouting stirring assembly 3 which are sequentially communicated through pipelines, wherein the cutting and grouting stirring assembly comprises: the upper end of the drill rod 31 is connected with an output pipeline of the grouting pump 2 through a fluid director 4; the cutting and stirring drill bit 32, wherein the cutting and stirring drill bit 32 is connected with the lower end of the drill rod 31; a mixer drill 33, which comprises a body 331, a column 332 connected with the body; the power head 34, the power head 34 is connected with the upright post 332 of the mixing drilling machine in a sliding mode, and the power head 34 is provided with a drill rod holding device; wherein the fluid director 4, the drill rod 31 and the cutting and stirring drill bit 32 are all internally provided with communicated guniting channels; the drill rod 31 comprises an inner hexagonal connecting end 311 at the lower end, a drill rod guniting channel 312, a drill rod body 313 and an outer hexagonal connecting end 314 at the upper end, wherein the inner hexagonal connecting end 311 at the lower end is connected with the cutting and stirring drill bit 32, the outer hexagonal connecting end 314 at the upper end is connected with the fluid director 4, the drill rod guniting channel 312 is communicated with the fluid director guniting channel, and the surface of the drill rod body 313 comprises three uniformly arranged planes 3131.
In the present embodiment, the cutting stirring drill 32 includes: the drill bit rod 326 is connected with the inner hexagonal connecting end 311 at the lower end of the drill rod, and the drill bit rod 326 is provided with a drill bit rod guniting channel 323 and a nozzle 322; a drill bit 321 with a cutting tip 327 disposed at the lower end of the bit shaft; a stirring blade 325 provided on the bit shaft; a spoiler 324 is further provided between the bit 321 and the stirring blade 325 on the bit shaft, and the spoiler 324 moves up and down along the bit shaft 326 without rotating along the bit shaft. The spoiler 324 comprises spoiler blades 3241, wear-resistant rings 3242 and rib plates 3243, the wear-resistant rings 3242 are sleeved on the drill rod and are in clearance fit with the drill rod, and the length of the spoiler 324 is greater than that of the drill 321 and that of the stirring blades 325, so that uniform stirring of cement slurry and foundation soil is facilitated. In practical applications, in order to ensure that the spoiler 324 moves up and down along the drill bit shaft without rotating along the drill bit shaft 326, a limiting device (not shown) for limiting the up and down movement of the wear ring is arranged on the drill bit shaft 326.
Because the cutting stirring drill bit 32 in the utility model is in still be provided with the spoiler 324 on the drill bit pole between drill bit 321 and the stirring vane 325, the spoiler 324 moves up and down along with drill bit pole 326 and does not rotate along with drill bit pole, like this in the cutting slip casting stirring process of pushing down, drill bit 321 pushes down while rotating, cement thick liquid gets into the guniting passageway 323 in the drill bit pole, then spout through nozzle 322, the cutting tool bit 327 on the drill bit destroys the foundation soil, in the process that the foundation soil is constantly destroyed, the spoiler 324 only pushes down and does not rotate, the fluid flow direction that forms when disturbing the drill bit gyration, make cement thick liquid and foundation soil fully stir and mix, form the cement soil column mixed liquid of certain diameter in the soil; in the process of lifting, cutting, patching and stirring, the drill bit 321 is lifted while rotating reversely, cement slurry enters a slurry spraying channel 323 in a drill bit rod and is sprayed out through the nozzle 322, the stirring blade 325 carries out secondary stirring on the cement-soil columnar mixed liquid, in the process of continuous stirring of the stirring blade 325, the spoiler 324 is only lifted and does not rotate, the flowing direction of fluid formed when the stirring blade 325 rotates is disturbed, the cement slurry and the foundation soil are fully stirred and mixed, a cement-soil columnar solidification body with a certain diameter is formed in the soil, the cutting and stirring drill bit 32 is subjected to the process of pushing down, cutting, grouting and stirring, and the process of lifting, cutting, patching and stirring, cement slurry and the foundation soil can be uniformly stirred, and the quality of cement stirring foundation reinforcement is ensured.
In the embodiment, the surface of the drill rod body 313 comprises three uniformly arranged planes 3131, so that in the rotation process of the drill rod body 313, a slurry return passage 3132 is formed outside the plane 3131, an underground slurry spraying pressure area is communicated with the ground, the grouting pressure is released, and the stability of the ground pressure is kept; meanwhile, in the rotating process of the drill rod body 313, due to the existence of the plane 3131, collapsed soil is constantly stirred, the soil is prevented from holding the drill rod tightly, and the problems of ground uplift and drill tool slippage can be effectively avoided.
In this embodiment, the surface of the shaft 313 of the drill rod includes 3 uniformly arranged planes 3131, and in practical applications, the surface of the shaft 313 of the drill rod may also be arranged to include 2 uniformly arranged planes 3131, or arranged to include 4 uniformly arranged planes 3131, or arranged to include 5 uniformly arranged planes 3131.
The technical content and the technical features of the invention have been disclosed above, however, it can be understood that, under the spirit of the invention, it is possible for those skilled in the art to make various changes and modifications to the above structure, including combinations of technical features disclosed herein individually or claimed, and obviously including other combinations of these features, which fall within the technical field to which the invention relates, and fall within the scope of the claims.
Claims (5)
1. The utility model provides a perturbation moves cutting stirring slip casting system, it includes the store thick liquid ware, grouting pump and the cutting slip casting stirring subassembly of pipeline intercommunication in proper order, wherein the cutting slip casting stirring subassembly includes:
the upper end of the drill rod is connected with an output pipeline of the grouting pump through a fluid director;
the cutting and stirring drill bit is connected with the lower end of the drill rod;
the stirring drilling machine comprises a machine body and an upright post connected with the machine body;
the power head is connected with the upright column of the stirring drilling machine in a sliding manner and is provided with a drill rod holding device;
wherein the fluid director, the drill rod and the cutting and stirring drill bit are all internally provided with communicated guniting channels;
the method is characterized in that: the drill rod comprises an inner hexagonal connecting end at the lower end, a drill rod guniting channel, a drill rod body and an outer hexagonal connecting end at the upper end, wherein the inner hexagonal connecting end at the lower end is connected with the cutting and stirring drill bit, the outer hexagonal connecting end at the upper end is connected with the fluid director, the drill rod guniting channel is communicated with the fluid director guniting channel, and the surface of the drill rod body comprises at least two uniformly arranged planes.
2. The micro-disturbance cutting stirring grouting system of claim 1, wherein: the cutting and stirring drill bit comprises a drill bit rod, a drill bit and a stirring blade, wherein the drill bit rod is connected with the lower end of a drill rod and is provided with a guniting channel and a nozzle, the drill bit is arranged at one end of the drill bit rod and is provided with a cutting tool bit, the stirring blade is arranged on the drill bit rod, a spoiler is further arranged between the drill bit and the stirring blade on the drill bit rod, and the spoiler moves up and down along with the drill bit rod without rotating along with the drill bit rod.
3. The micro-disturbance cutting, stirring and grouting system of claim 2, wherein: the spoiler comprises spoiler blades, a wear-resistant ring and a rib plate, wherein the wear-resistant ring is sleeved on the drill rod and is in clearance fit with the drill rod.
4. A micro-disturbance cutting stirring grouting system according to claim 2 or claim 3, characterized in that: the length of the spoiler is greater than that of the drill bit and that of the stirring blade.
5. The micro-disturbance cutting stirring grouting system according to claim 4, wherein: and the drill rod is provided with a limiting device for limiting the up-and-down movement of the wear-resistant ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020929556.XU CN212358264U (en) | 2020-05-28 | 2020-05-28 | Micro-disturbance cutting stirring grouting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020929556.XU CN212358264U (en) | 2020-05-28 | 2020-05-28 | Micro-disturbance cutting stirring grouting system |
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| CN212358264U true CN212358264U (en) | 2021-01-15 |
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| CN202020929556.XU Active CN212358264U (en) | 2020-05-28 | 2020-05-28 | Micro-disturbance cutting stirring grouting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238603A1 (en) * | 2020-05-28 | 2021-12-02 | 上海久卓机电设备有限公司 | Micro-perturbation cutting, stirring and grouting system |
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- 2020-05-28 CN CN202020929556.XU patent/CN212358264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238603A1 (en) * | 2020-05-28 | 2021-12-02 | 上海久卓机电设备有限公司 | Micro-perturbation cutting, stirring and grouting system |
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