CN212129126U - A triaxial bores and digs mixer for mixing stake construction - Google Patents
A triaxial bores and digs mixer for mixing stake construction Download PDFInfo
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- CN212129126U CN212129126U CN202020225823.5U CN202020225823U CN212129126U CN 212129126 U CN212129126 U CN 212129126U CN 202020225823 U CN202020225823 U CN 202020225823U CN 212129126 U CN212129126 U CN 212129126U
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Abstract
The utility model relates to a bore the technical field who digs the mixer, disclose a triaxial bores and digs mixer for stirring stake construction, include: a body; the three drill rods are arranged in parallel, and each drill rod is rotatably arranged on the machine body; at least one the drilling rod is kept away from the tip of fuselage has the injected hole, the injected hole is used for spouting grout, at least one the drilling rod is kept away from the tip of fuselage has the venthole, the venthole is used for spouting high-pressure gas. The utility model discloses a triaxial bores and digs mixer for mixing stake construction that technical scheme provided, the effect of stake is better, and it is more excellent with stagnant water performance to strut.
Description
Technical Field
The patent of the utility model relates to a bore the technical field who digs the mixer, particularly, relate to a triaxial bores and digs mixer for stirring stake construction.
Background
The drilling and digging stirrer is a machine for drilling and setting a stirring pile, and a guniting port is arranged on a drill rod, so that in the process of putting down and lifting the drill rod, guniting is carried out on a drilled hole simultaneously, and the stirring pile is obtained.
At present, in order to accelerate the pile forming speed, a three-shaft drilling and digging stirrer is provided, namely, a soil body is dug in a rotary mode through three drill rods arranged in parallel, lifting grouting is put downwards, three connected stirring piles are obtained quickly, and the pile forming speed is increased.
Although the drilling and digging stirrer can quickly form the pile, the strength of the pile body is lower and the pile body is not beneficial to supporting because the mud of the pile body of the stirring pile is not uniformly mixed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a triaxial bores and digs mixer for stirring stake construction aims at solving prior art, stirs the lower problem of stake body intensity.
The utility model discloses a realize like this, a triaxial bores and digs mixer for stirring stake construction, include:
a body;
the three drill rods are arranged in parallel, and each drill rod is rotatably arranged on the machine body; at least one the drilling rod is kept away from the tip of fuselage has the injected hole, the injected hole is used for spouting grout, at least one the drilling rod leaves the tip of fuselage has the venthole, the venthole is used for spouting high-pressure gas.
Optionally, the three drill rods respectively include two outer shaft drill rods and a middle shaft drill rod, and the middle shaft drill rod is located between the two outer shaft drill rods; the drill bit is characterized in that a middle shaft drill bit is arranged at the end part, far away from the machine body, of the middle shaft drill rod, an outer shaft drill bit is arranged at the end part, far away from the machine body, of the outer shaft drill rod, and the middle shaft drill bit and any one of the outer shaft drill bits are not parallel and level.
Optionally, the two outer shaft drill bits are arranged flush.
Optionally, each outer shaft drill is formed with the grouting hole, and the middle shaft drill is formed with the air outlet hole.
Optionally, the middle shaft drill bit is higher than the two outer shaft drill bits.
Optionally, the two outer shaft drill rods rotate in the same direction and rotate in the positive direction relative to the machine body; the middle shaft drill rod rotates reversely relative to the machine body.
Optionally, the periphery of each drill rod is provided with a plurality of stirring blades, and the plurality of stirring blades are arranged at intervals along the length direction of the drill rod.
Optionally, the stirring blade includes a helical blade and a common blade, and the helical blade and the common blade are alternately arranged at the periphery of the drill rod.
Optionally, a connecting piece is arranged between the three drill rods, and each drill rod movably penetrates through the connecting piece.
Compared with the prior art, the utility model provides a triaxial bores and digs mixer for mixing pile construction sets up the slip casting hole at the tip of drilling rod, transfers or the in-process of lifting at the drilling rod, can be simultaneously to the slip casting in the mixing pile, makes thick liquid and earth mix for become stake speed, establish the gas pocket at the tip of an at least drilling rod simultaneously, venthole blowout high-pressure gas, like this, make originally the thick liquid of mix more even with earth, the effect of stake is better, strut and the stagnant water performance is more excellent. The problem of among the prior art, stirring stake pile body intensity is lower is solved.
Drawings
Fig. 1 is the structure schematic diagram of the three-axis drilling and digging agitator for construction of the mixing pile provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
The utility model provides a triaxial bores and digs mixer for stirring 10 constructions of stake, the effect of stake is better, and it is more excellent with stagnant water performance to strut.
Referring to fig. 1, the preferred embodiment of the present invention is shown.
The embodiment of the utility model provides an in, this a triaxial bores and digs mixer for stirring 10 constructions, include:
a body;
the three drill rods are arranged in parallel, and each drill rod is rotatably arranged on the machine body; the end part of at least one drill rod, which is far away from the machine body, is provided with a grouting hole, the grouting hole is used for spraying cement slurry, and the end part of at least one drill rod, which is far away from the machine body, is provided with an air outlet, and the air outlet is used for spraying high-pressure gas.
The fuselage of saying here is including being used for transferring the drilling rod the mechanism of transferring, be used for transporting the transport mechanism etc. of drilling rod, owing to be the conventional setting of boring the mixer, differs here and one is repeated, the utility model discloses focus is the structure of drilling rod and arranges.
There is one to transfer the head that can reciprocate on the fuselage, and the below of transferring the head is located of three drilling rod rotation, and arranges down, and the rotation of drilling rod is controlled through the motor, no longer gives things convenient for.
In this embodiment, set up the slip casting hole at the tip of drilling rod, transfer or the in-process of lifting at the drilling rod, can be simultaneously to slip casting in the stirring stake 10, make thick liquid and earth mix for become stake speed, establish the gas vent at the tip of at least drilling rod simultaneously, gas vent blowout high-pressure gas, like this, make originally the thick liquid of mixing more even with earth, the effect of stake is better, and it is more excellent with the stagnant water performance to strut.
During specific construction, the drill rod is lowered from the position, right opposite to a drilling position, of the middle shaft drill rod 22, cement slurry is sprayed out of the outer shaft drill rod 21 in the process of lowering and rotating the drill rod to drill, high-pressure gas is sprayed out of the middle shaft drill rod 22 until the middle shaft drill rod reaches the bottom of a preset pile, and the middle shaft drill rod 22 stops spraying the high-pressure gas;
repeatedly lifting and lowering the drill rod at the pile bottom for several times;
the drill rod is lifted until the end of the drill rod is lifted out of the borehole, and the outer shaft drill rod 21 stops spraying cement slurry.
The two outer shaft drill rods 21 rotate in the same direction to spray cement slurry to mix with soil, and the middle shaft drill rod 22 reversely sprays high-pressure air in the hole to fully stir the cement slurry and the soil, so that the originally mixed soil is more uniform, the pile forming diameter is more effective, and the wall forming effect and the water stopping performance are more excellent. When the pile is lifted, the high-pressure gas is stopped from being sprayed out, so that bubbles are prevented from being generated in the pile body.
Referring to fig. 1, in an embodiment of the present invention, the three drill rods respectively include two outer drill rods 21 and a middle drill rod 22, and the middle drill rod 22 is located between the two outer drill rods 21; the end part of the middle shaft drill rod 22 far away from the machine body is provided with a middle shaft drill bit, the end part of the outer shaft drill rod 21 far away from the machine body is provided with an outer shaft drill bit, and the middle shaft drill bit is not flush with any outer shaft drill bit.
Because three drilling rods rotate simultaneously, in order to avoid the mutual influence of the three drilling rods, the middle shaft drilling bit and the outer shaft drilling bit are not parallel and level, and the drilling rod part is thinner than the diameter of the drilling bit, so that the three drilling rods arranged side by side rotate simultaneously.
And the two outer shaft drill bits are arranged in parallel.
In order to ensure that the overall depth of the mixing pile 10 is fixed, specifically, in the actual pile forming process, in order to ensure the continuity of the mixing pile 10, when drilling the adjacent mixing pile 10, the outer shaft drill rod 21 is over against the outer mixing pile 10 of the adjacent three mixing piles 10, and the pile forming is rapid because the two outer shaft drill bits are parallel and level.
Furthermore, each outer shaft drill bit is provided with a grouting hole, and the middle shaft drill bit is provided with an air outlet hole.
Like this, the thick liquid is from two outer axle drill bits blowout, evenly fills in the pore-forming, and by two outer axle drill bits of saying the parallel and level arrange, like this, more even when spouting the thick liquid, and axis drill bit spun high-pressure gas can be to thick liquid and earth intensive mixing, makes it misce bene, improves the effect of stirring stake 10. Because the high-pressure gas is sprayed out from the drill bit of the middle shaft, the slurry on two sides can be uniformly stirred, and the stirring is easier.
And the middle shaft drill bit is higher than the two outer shaft drill bits.
Like this, follow the thick liquid that outer axle drill bit spun behind the high-pressure gas that axis drill bit was spouted to be convenient for thick liquid and the homogeneous mixing of earth, and because during the high-pressure gas blowout, can blow the soil body of bottom, on the one hand, make the whole degree of depth of whole stirring stake 10 certain, on the other hand, make things convenient for the heavy stake of this stirring stake 10.
In the embodiment, the grouting hole is arranged in the middle of the outer shaft drill bit, specifically, a through hole is formed in the middle of the drill bit, the grouting pipe extends into the outer shaft drill rod 21 and is communicated with the through hole, and the rotation of the drill bit does not influence the ejection of slurry; the periphery of axis drill bit is located to this venthole, and the gas-supply pipe stretches into in the axis drilling rod 22, and communicates with the venthole, like this, avoids digging the in-process soon, causes the jam of venthole to in the blowout high-pressure gas, and above-mentioned venthole has a plurality ofly, and encircles the axis drill bit and arrange, so that evenly spout high-pressure gas.
Referring to fig. 1, in an embodiment of the present invention, the two outer shafts 21 rotate in the same direction and rotate in the forward direction relative to the machine body; the jackshaft 22 rotates in the opposite direction relative to the fuselage.
The forward direction and the reverse direction are only used for indicating that the outer shaft drill rod 21 and the middle shaft drill rod 22 rotate in opposite directions, and the rotation direction is not limited, and through the arrangement, the uniform stirring of the internal slurry can be ensured, and the strength of the pile body is improved. And, because axis drilling rod 22 is the injection high-pressure gas, like this, the high-pressure gas that jets is reverse scour in thick liquid and earth, makes the soil body of original mix more even.
In order to realize the equidirectional rotation of the outer shaft drill rods 21, a driving rod is arranged on an output shaft of a rotating motor in the machine head, and the driving rod drives the two outer shaft drill rods 21 to rotate through a rotating tooth so as to realize the equidirectional and same-speed rotation.
Referring to fig. 1, in an embodiment of the present invention, a plurality of stirring blades are disposed at the periphery of each drill rod, and the plurality of stirring blades are spaced apart from each other along the length direction of the drill rod.
The slurry is fully mixed by the plurality of stirring blades, and the effect of the pile body is improved.
Specifically, the stirring blades comprise a helical blade 23 and a common blade 24, and the helical blade 23 and the common blade 24 are arranged on the periphery of the drill rod at intervals in a staggered mode.
The helical blade 23, namely, the blade is rotated upwards around the drill rod, the slurry in the lower layer can be transferred to the upper layer, so that the slurry in different layers is uniformly mixed, and the common blade 24 is a blade type blade, so that on the basis of fully stirring the slurry, the pile hole can be corrected, the shape of the stirring pile 10 is ensured, and the pile forming effect is better.
In addition, in order to avoid the mutual influence between the blades of the middle shaft drill rod 22 and the blade brackets of the outer shaft drill rod 21, the blades of the middle shaft drill rod 22 are arranged between the gaps of the blades of the outer shaft drill rod 21, so as to ensure the normal rotation of each drill rod.
Similarly, above-mentioned axis drill bit and outer axle drill bit all are equipped with spiral helicine blade to drilling, simultaneously, conveniently transport the soil body up.
In addition, the periphery of the spiral blade is provided with a tungsten steel blade which is arranged downwards and can be replaced, so that the soil body can be drilled conveniently.
Referring to fig. 1, in an embodiment of the present invention, a connecting member 25 is disposed between three drill rods, and each drill rod is movably disposed through the connecting member 25.
The three drill rods are rotatably arranged on the connecting pieces 25, the positions of the three drill rods are ensured through the connecting pieces 25 so as to ensure the formed mixing pile 10, specifically, the connecting pieces 25 are arranged at intervals, in addition, in order to avoid the influence of the connecting pieces 25 on the blades, gaps are arranged between the two connecting pieces 25, and the blades are arranged between the gaps, so that the stable rotation of the three drill rods is ensured, and the influence of the blades is also avoided.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a triaxial bores and digs mixer for mixing stake construction which characterized in that includes:
a body;
the three drill rods are arranged in parallel, and each drill rod is rotatably arranged on the machine body; at least one the drilling rod is kept away from the tip of fuselage has the injected hole, the injected hole is used for spouting grout, at least one the drilling rod is kept away from the tip of fuselage has the venthole, the venthole is used for spouting high-pressure gas.
2. The tri-axial drilling and excavating blender for construction of mixing piles as recited in claim 1, wherein three of said drill rods comprise two outer drill rods and a middle drill rod, respectively, said middle drill rod being positioned between said two outer drill rods; the drill bit is characterized in that a middle shaft drill bit is arranged at the end part, far away from the machine body, of the middle shaft drill rod, an outer shaft drill bit is arranged at the end part, far away from the machine body, of the outer shaft drill rod, and the middle shaft drill bit and any one of the outer shaft drill bits are not parallel and level.
3. The tri-axial drill mixer for mixing pile construction as recited in claim 2, wherein the outer shaft drills are arranged flush.
4. The tri-axial drill mixer for mixing pile construction as claimed in claim 2 wherein each of said outer shaft drill bits is formed with said grouting holes and said central shaft drill bit is formed with said air outlet holes.
5. The tri-axial drill mixer for mixing pile construction as recited in claim 4 wherein said central axial drill bit is higher than both of said outer axial drill bits.
6. The tri-axial drilling and excavating mixer for mixing pile construction as claimed in claim 2, wherein the two outer shaft drill rods rotate in the same direction and rotate in the forward direction relative to the body; the middle shaft drill rod rotates reversely relative to the machine body.
7. The tri-axial drill mixer for mixing pile construction as claimed in any one of claims 1 to 5, wherein each of the drill rods is provided at its outer periphery with a plurality of mixing blades, the plurality of mixing blades being arranged at intervals along the length of the drill rod.
8. The tri-axial drilling and excavating mixer for mixing pile construction as claimed in claim 7, wherein the mixing blades include helical blades and general blades, and the helical blades and the general blades are alternately arranged at intervals on the outer circumference of the drill pipe.
9. The tri-axial drilling and stirring machine for stirring pile construction as claimed in any one of claims 1 to 5, wherein a connector is provided between three drill rods, each drill rod being movably inserted through the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020225823.5U CN212129126U (en) | 2020-02-27 | 2020-02-27 | A triaxial bores and digs mixer for mixing stake construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020225823.5U CN212129126U (en) | 2020-02-27 | 2020-02-27 | A triaxial bores and digs mixer for mixing stake construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212129126U true CN212129126U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020225823.5U Active CN212129126U (en) | 2020-02-27 | 2020-02-27 | A triaxial bores and digs mixer for mixing stake construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212129126U (en) |
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2020
- 2020-02-27 CN CN202020225823.5U patent/CN212129126U/en active Active
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