CN215105268U - Novel wing panel wing rod type cement-soil two-way mixing pile machine slurry-spraying powder drilling tool - Google Patents
Novel wing panel wing rod type cement-soil two-way mixing pile machine slurry-spraying powder drilling tool Download PDFInfo
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- CN215105268U CN215105268U CN202120519752.4U CN202120519752U CN215105268U CN 215105268 U CN215105268 U CN 215105268U CN 202120519752 U CN202120519752 U CN 202120519752U CN 215105268 U CN215105268 U CN 215105268U
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Abstract
The utility model relates to a novel cement soil bidirectional mixing pile machine wing bar type guniting powder drilling tool, which comprises an inner drill rod drill bit and an outer drill rod drill bit, wherein the outer drill rod drill bit comprises an outer drill rod, a sliding bearing sealing sleeve and an outer drill bit wing bar; at least one layer of inner drill bit wing rods are arranged on the outer wall of the reducing cavity pipe along the length direction of the reducing cavity pipe, a discharging cavity communicated with the reducing cavity pipe is arranged in each layer of inner drill bit wing rods, at least one discharging hole is formed in each inner drill bit wing rod and communicated with the discharging cavity, and the rotating radius of the upper layer wing rods is equal to the diameter of the construction pile. The device has the advantages of simple structure, convenient use, capability of constructing piles with larger pile diameters and deeper layers, effective avoidance of phenomena of unsmooth discharging, blockage, insufficient injection radius and the like, extremely low failure rate, long service life and convenient maintenance.
Description
Technical Field
The utility model relates to a building equipment technical field, especially a novel two-way stirring stake machine fin wing bar formula whitewashing drilling tool of cement soil.
Background
A bidirectional cement-soil stirring pile is a new technology for treating foundation developed in 20 th century, and features that two groups of stirring blades installed on concentric drilling rods are driven by special stirring machine to mix the soft soil and cement in situ to increase the strength of foundation. The bidirectional cement-soil mixing pile technology is often applied to foundation treatment with a plurality of advantages of economy, applicability, small vibration, good reinforcing effect and the like, is particularly suitable for treatment of soft soil foundations, and is widely applied to the engineering construction fields of railways, roads, municipal works and the like.
The cement soil bidirectional mixing pile machine drilling tool on the market at present has some technical defects, such as 200820032124.8 drill bits and drilling tool patents published by the national intellectual property office, and discharge ports are arranged on core pipes of inner drill rods, and when special soil is encountered in construction, phenomena of unsmooth discharge, blockage, insufficient injection radius and the like of the discharge ports easily occur. The unsmooth discharging can cause less slurry (powder) locally, insufficient admixture and reduced bearing capacity of the pile; when the blockage occurs, the slurry (powder) is broken to cause pile breakage; the jet radius is insufficient, resulting in pile shrinkage. And the construction of the cement-soil mixing pile with large diameter and deeper layer can not be performed.
The utility model discloses it is not enough to current drill bit, drilling tool technique, provides a two-way stirring stake fin wing rod-type whitewashing (powder) drilling tool of cement soil.
Disclosure of Invention
The utility model aims to solve the technical problem that not enough to prior art provides a reasonable in design, simple structure, has the novel two-way stirring stake machine fin wing bar formula whitewashing drilling tool of stake wing bar of the great stake footpath of construction and the deep stake ability.
The utility model aims to solve the technical problem that the realization is realized through following technical scheme, the utility model relates to a novel two-way stirring stake machine fin wing bar formula whitewashing drilling tool of cement, including interior drilling rod drill bit and outer drilling rod drill bit, the upper end of interior drilling rod drill bit is equipped with interior drilling rod drive interface, and the upper end of outer drilling rod drill bit is equipped with outer drilling rod drive interface, and its characteristics are:
outer drilling rod drill bit includes outer drilling rod, slide bearing seal bushing and outer drill bit wing pole, and slide bearing seal bushing upper end links to each other with outer drilling rod through outer drilling rod drive interface, outer drill bit wing pole is established on slide bearing seal bushing, is equipped with the outer drill bit wing pole of at least one deck along sleeve pipe body length direction, and from top to bottom, the outer drill bit wing pole length on every layer increases gradually, and the biggest wing pole radius of rotation equals the construction stake footpath, is the taper during rotation, and the anti-thick liquid of suppression, the phenomenon of bleeding.
The inner drill rod drill bit comprises an inner drill rod, a variable diameter cavity pipe and an inner drill bit wing rod, the inner drill rod and the sliding bearing sealing sleeve are concentrically arranged, the variable diameter cavity pipe is connected with the inner drill rod through a variable diameter flange, the diameter of the variable diameter cavity pipe is larger than that of the inner drill rod, and a drill point is arranged at the lower end of the variable diameter cavity pipe; the outer wall of the reducing cavity pipe is provided with at least one layer of inner drill bit wing rod along the length direction, a discharging cavity communicated with the reducing cavity pipe is arranged in each layer of inner drill bit wing rod, each inner drill bit wing rod is provided with at least one discharging hole, the discharging holes are communicated with the discharging cavity, the rotating radius of the inner drill bit wing rod is gradually contracted from the upper layer to the lower layer, the inner drill bit wing rod is conical during rotation, and the rotating radius of the upper layer wing rod is equal to the diameter of a construction pile.
The rotation radius of the wing rod of the upper layer wing panel is equal to the diameter of a construction pile, so that the phenomena of unsmooth discharge port (less slurry), blockage (slurry breaking and pile breaking) and insufficient injection radius (pile shrinkage) can be avoided. The diameter of the reducing cavity pipe is larger than that of the inner drill rod, so that energy storage can be increased, the jetting force is improved, and the pile forming quality is high.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, set up the outer drill bit wing pole of multilayer on the slide bearing seal bushing, every layer is equipped with at least one outer drill bit wing pole.
The technical problem to be solved by the utility model can be further realized by the following technical scheme, and each layer is evenly provided with 2-4 outer drill bit wing panel wing rods along the circumferential direction.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, be equipped with slide bearing between slide bearing seal bushing and the interior drilling rod, be equipped with sealing flange at slide bearing seal bushing's lower extreme.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, drill bit wing pole in setting up the multilayer on the reducing chamber pipe, every layer is equipped with drill bit wing pole in at least one, can improve stirring efficiency.
The technical problem to be solved by the utility model can be further realized by the following technical scheme, and each layer is evenly provided with 2-4 inner drill bit wing rods along the circumferential direction.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, and drill bit fin wing pole top discharge mouth all is equipped with a plurality of in every, and its length direction is evenly set up along a plurality of discharge gate.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, and the tip of drill bit fin wing pole all is equipped with the discharge gate in every.
The device can be matched with a cement bidirectional mixing pile machine for use, and the power of the cement bidirectional mixing pile machine is divided into (1) an internal and external drill rod power upper-mounted type; (2) the power of the inner drill rod is arranged upwards, and the power of the outer drill rod is arranged downwards. The device is also suitable for other drilling tools of cement mixing pile machines, such as single shaft, double shafts, multiple shafts and concentric double shafts.
When the device is used, the driving interfaces of the inner drill rod and the outer drill rod are connected with the output ends of the inner drill rod and the outer drill rod of the cement soil bidirectional mixing pile machine. During construction operation, the power of the cement soil bidirectional mixing pile machine drives the outer drill rod drill bit to rotate forwards and the inner drill rod drill bit to rotate backwards. Cement slurry (powder) is input into the variable-diameter cavity pipe through the inner drill rod and is sprayed out through a discharge hole on the wing rod of the inner drill bit wing, and the wing rod of the inner drill bit wing forcibly mixes soft soil, cement and other media while spraying the cement slurry to harden the soft soil;
because the rotation radius of the wing rod of the upper layer wing panel is equal to the diameter of the construction pile, the phenomena of unsmooth discharge port (less slurry), blockage (slurry breaking and pile breaking) and insufficient injection radius (pile shrinkage) can be avoided. The diameter of the reducing cavity pipe is larger than that of the inner drill rod, so that energy storage can be increased, the jetting force is improved, and the pile forming quality is high.
Compared with the prior art, the device has the advantages of simple structure, convenient use, capability of constructing piles with larger pile diameters and deeper piles, effective avoidance of phenomena of unsmooth discharging, blockage, insufficient injection radius and the like, extremely low failure rate, long service life and convenient maintenance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings so as to facilitate the further understanding of the present invention by those skilled in the art, and do not constitute a limitation to the right thereof.
Referring to the attached drawings, the novel wing-rod type slurry spraying powder drilling tool for the wings of the cement soil bidirectional mixing pile machine comprises an inner drill rod drill bit and an outer drill rod drill bit which are matched with the cement soil bidirectional mixing pile machine, wherein the power of the cement soil bidirectional mixing pile machine is (1) the power of the inner drill rod and the power of the outer drill rod are arranged upwards; or (2) the power of the inner drill rod is arranged upwards, the power of the outer drill rod is arranged downwards, and the like. The upper end of the inner drill rod drill bit is provided with an inner drill rod driving interface, and the upper end of the outer drill rod drill bit is provided with an outer drill rod driving interface 2. The driving interface of the inner and outer drill rods is connected with the output ends of the inner and outer drill rods of the cement bidirectional mixing pile machine.
Outer drilling rod drill bit includes outer drilling rod, slide bearing seal bushing 3 and outer drill bit wing pole 4, and slide bearing seal bushing 3 upper end links to each other with outer drilling rod through outer drilling rod drive interface 2, outer drill bit wing pole 4 is established on slide bearing seal bushing 3, is equipped with at least one layer outer drill bit wing pole 4 along bushing body length direction, preferably sets up two layers outer drill bit wing pole 4, and every layer is equipped with at least one outer drill bit wing pole 4. From top to bottom, 4 length crescent of every layer of outer drill bit wing pole, the biggest wing pole radius of rotation equals construction stake footpath, and wing pole angle setting is adjusted according to the construction requirement, is the taper when outer drill rod drill bit is rotatory, can restrain anti-thick liquid, the mud pumping phenomenon.
When one outer drill bit wing rod 4 is arranged on each layer, the outer drill bit wing rods 4 on the adjacent layers are arranged in a staggered mode. When two or more outer drill bit wing rods 4 are arranged on each layer, the outer drill bit wing rods 4 on each layer are uniformly arranged along the circumferential direction of the outer drill bit wing rods.
The inner drill rod drill bit comprises an inner drill rod 1, a reducing cavity pipe 8 and an inner drill bit wing rod 9, the inner drill rod 1 and a sliding bearing sealing sleeve 3 are arranged concentrically, a sliding bearing 5 is arranged between the sliding bearing sealing sleeve 3 and the inner drill rod 1, and a sealing flange 6 is arranged at the lower end of the sliding bearing sealing sleeve 3, so that slurry can be prevented from entering the inner drill rod drill bit. The reducing cavity pipe 8 is connected with the inner drill rod 1 through a reducing flange 7, the diameter of the reducing cavity pipe 8 is larger than that of the inner drill rod 1, and a drill point 11 is arranged at the lower end of the reducing cavity pipe 8.
At least one layer of inner drill bit wing rods 9 is arranged on the outer wall of the variable diameter cavity pipe 8 along the length direction of the variable diameter cavity pipe, preferably two layers of inner drill bit wing rods 9 are arranged, and each layer is provided with at least one inner drill bit wing rod 9. All be equipped with the discharge chamber with the intercommunication of reducing chamber pipe 8 in every layer drill bit fin wing pole 9, be equipped with at least one discharge gate 10 in every drill bit fin wing pole 9, discharge gate 10 and discharge chamber intercommunication, if discharge gate 10 is equipped with a plurality of, then a plurality of discharge gate 10 evenly sets up along its length direction to the tip of drill bit fin wing pole 9 all is equipped with discharge gate 10 in every.
The rotary radius of the wing rod 9 of the inner drill bit wing is retracted from the upper layer to the lower layer, the wing rod is conical when rotating, the rotary radius of the wing rod of the upper layer wing is equal to the diameter of a construction pile, and the angle of the wing rod of the wing is set and adjusted according to construction requirements. The rotation radius of the wing rod of the upper layer wing panel is equal to the diameter of a construction pile, so that the phenomena of unsmooth discharge port (less slurry), blockage (slurry breaking and pile breaking) and insufficient injection radius (pile shrinkage) can be avoided. The diameter of the variable diameter cavity pipe 8 is larger than that of the inner drill rod 1, so that energy storage can be increased, the injection force is improved, and the pile forming quality is high.
When one inner drill bit wing rod 9 is arranged on each layer, the inner drill bit wing rods 9 on the adjacent layers are arranged in a staggered mode. When two or more inner drill bit wing rods 9 are arranged on each layer, the drill bit wing rods 9 in each layer are uniformly arranged along the circumferential direction of the inner drill bit wing rods.
When the device is used, the driving interfaces of the inner drill rod and the outer drill rod are connected with the output ends of the inner drill rod and the outer drill rod of the cement soil bidirectional mixing pile machine. During construction operation, the power of the cement soil bidirectional mixing pile machine drives the drill bit of the outer drill rod to rotate forwards and the drill bit of the inner drill rod 1 to rotate backwards. Cement slurry (powder) is input into the variable-diameter cavity pipe 8 through the inner drill rod 1 and is sprayed out through a discharge hole 10 on the inner drill bit wing rod 9, and the inner drill bit wing rod 9 forcibly mixes soft soil, cement and other media while spraying the cement slurry to harden the soft soil; the phenomena of unsmooth discharge port (less slurry), blockage (slurry breaking and pile breaking) and insufficient injection radius (pile shrinkage) are avoided. And the jet power is strong, the pile-forming quality is high, the failure rate is extremely low, the service life is long, and the maintenance is convenient.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a novel two-way stirring stake machine fin wing bar formula whitewashing drilling tool of cement, includes interior drilling rod drill bit and outer drilling rod drill bit, the upper end of interior drilling rod drill bit is equipped with interior drilling rod drive interface, and the upper end of outer drilling rod drill bit is equipped with outer drilling rod drive interface, its characterized in that:
the outer drill rod drill bit comprises an outer drill rod, a sliding bearing sealing sleeve and an outer drill bit wing rod, the upper end of the sliding bearing sealing sleeve is connected with the outer drill rod through an outer drill rod driving interface, the outer drill bit wing rod is arranged on the sliding bearing sealing sleeve, at least one layer of outer drill bit wing rod is arranged along the length direction of a sleeve pipe body, the length of each layer of outer drill bit wing rod is gradually increased from top to bottom, and the rotating radius of the maximum wing rod is equal to the diameter of a construction pile;
the inner drill rod drill bit comprises an inner drill rod, a variable diameter cavity pipe and an inner drill bit wing rod, the inner drill rod and the sliding bearing sealing sleeve are concentrically arranged, the variable diameter cavity pipe is connected with the inner drill rod through a variable diameter flange, the diameter of the variable diameter cavity pipe is larger than that of the inner drill rod, and a drill point is arranged at the lower end of the variable diameter cavity pipe; the outer wall of the reducing cavity pipe is provided with at least one layer of inner drill bit wing rod along the length direction, a discharging cavity communicated with the reducing cavity pipe is arranged in each layer of inner drill bit wing rod, each inner drill bit wing rod is provided with at least one discharging hole, the discharging holes are communicated with the discharging cavity, the rotating radius of the inner drill bit wing rod is gradually contracted from the upper layer to the lower layer, the inner drill bit wing rod is conical during rotation, and the rotating radius of the upper layer wing rod is equal to the diameter of a construction pile.
2. The novel wing-rod type cement powder spraying drilling tool of the cement bidirectional mixing pile machine as claimed in claim 1, is characterized in that: the sliding bearing sealing sleeve is provided with a plurality of layers of outer drill bit wing rods, and each layer is provided with at least one outer drill bit wing rod.
3. The novel wing-rod type cement powder spraying drilling tool of the cement bidirectional mixing pile machine as claimed in claim 2, characterized in that: each layer is evenly provided with 2-4 outer drill bit wing rods along the circumferential direction.
4. The novel wing-rod type cement powder spraying drilling tool of the cement bidirectional mixing pile machine as claimed in claim 1, is characterized in that: a sliding bearing is arranged between the sliding bearing sealing sleeve and the inner drill rod, and a sealing flange is arranged at the lower end of the sliding bearing sealing sleeve.
5. The novel wing-rod type cement powder spraying drilling tool of the cement bidirectional mixing pile machine as claimed in claim 1, is characterized in that: the variable-diameter cavity tube is provided with a plurality of layers of inner drill bit wing rods, and each layer is provided with at least one inner drill bit wing rod.
6. The novel wing-rod type cement powder spraying drilling tool of the cement bidirectional mixing pile machine as claimed in claim 5, characterized in that: each layer is evenly provided with 2-4 inner drill bit wing panel wing rods along the circumferential direction.
7. The novel wing-rod type cement powder spraying drilling tool of the cement bidirectional mixing pile machine as claimed in claim 1, is characterized in that: the discharge hole all is equipped with a plurality of on every interior drill bit fin wing pole, and a plurality of discharge hole evenly sets up along its length direction.
8. The novel wing-rod type cement powder spraying drilling tool of the cement bidirectional mixing pile machine as claimed in claim 7, is characterized in that: the end part of each inner drill bit wing rod is provided with a discharge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120519752.4U CN215105268U (en) | 2021-03-11 | 2021-03-11 | Novel wing panel wing rod type cement-soil two-way mixing pile machine slurry-spraying powder drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120519752.4U CN215105268U (en) | 2021-03-11 | 2021-03-11 | Novel wing panel wing rod type cement-soil two-way mixing pile machine slurry-spraying powder drilling tool |
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| Publication Number | Publication Date |
|---|---|
| CN215105268U true CN215105268U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120519752.4U Active CN215105268U (en) | 2021-03-11 | 2021-03-11 | Novel wing panel wing rod type cement-soil two-way mixing pile machine slurry-spraying powder drilling tool |
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| Country | Link |
|---|---|
| CN (1) | CN215105268U (en) |
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2021
- 2021-03-11 CN CN202120519752.4U patent/CN215105268U/en active Active
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