CN212835367U - Anti-slip positioning steel casing for mechanical pore-forming cast-in-place pile - Google Patents
Anti-slip positioning steel casing for mechanical pore-forming cast-in-place pile Download PDFInfo
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- CN212835367U CN212835367U CN202021024345.8U CN202021024345U CN212835367U CN 212835367 U CN212835367 U CN 212835367U CN 202021024345 U CN202021024345 U CN 202021024345U CN 212835367 U CN212835367 U CN 212835367U
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Abstract
The utility model discloses an anti-slip positioning steel pile casing for a mechanical forming bored concrete pile, which comprises an orifice guard ring and a casing body which are connected up and down, wherein the orifice guard ring is provided with a plurality of grout overflow holes, and the lower end of the casing body is provided with a blade foot; the orifice guard ring is connected with the pile casing body through a connecting hole, the orifice guard ring is thicker than the pile casing body, the annular flange plate is sleeved on the outer circumference of the pile casing body, the orifice guard ring and the annular flange plate are mutually contacted and welded into a whole in pairs, and a stiffening plate is arranged between the annular flange plate and the orifice guard ring and/or the pile casing body; the pile casing body is embedded at the orifice of the pile hole of the cast-in-place pile and has an inner diameter larger than the pile diameter of the cast-in-place pile; the annular flange plate is in contact with the ground. Through setting up annular flange board, can protect the drill way ground in bored concrete pile hole better, solve the easy landing problem of a location steel casing effectively.
Description
Technical Field
The utility model relates to a building construction technical field especially relates to an antiskid location steel that falls protects a section of thick bamboo for mechanical pore-forming bored concrete pile.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The mechanical pore-forming cast-in-place pile is widely used in foundation engineering of construction projects, and a positioning steel casing is required to be arranged at an orifice during construction, so that the effects of isolating surface water, stabilizing the orifice wall, preventing hole collapse, protecting the original ground of the orifice, fixing the pile position, guiding a drill bit or a pile hammer and the like are achieved. Because of reasons such as geological reason and mechanical vibration, the condition that a location steel protects a section of thick bamboo cunning to fall into downthehole is more common, and the steel of landing protects a section of thick bamboo and can hinder and continue the pore-forming operation, needs the manual work to clear up the operation under water, and the underwater operation potential safety hazard is big, influences the construction progress simultaneously. What fell more leads to pile hammer or drill bit to be buried, and the degree of difficulty of clearance is bigger, and dangerous also is bigger, very big influence engineering progress to the condition that can't clear up, can only take this stake of abolish, carries out the change design by the design unit, leads to time limit for a project extension and engineering cost to increase. Especially in collapsible loess place, the clay place that the inflation of soaking was softened again, miscellaneous fill ground, the soil body structure takes place to show to warp or soil body self poor stability after the soil body soaks, takes place to cave in under the action of gravity, and the condition that the location protects a section of thick bamboo and fall in the work progress is more.
In conclusion, the problem that the positioning steel pile casing slides down is effectively solved, and the key of successfully implementing the mechanical pore-forming cast-in-place pile and reducing the extra cost of the control engineering is concerned.
SUMMERY OF THE UTILITY MODEL
To the technical problem that above-mentioned exists, the utility model provides a location steel that antiskid for mechanical pore-forming bored concrete pile falls protects a section of thick bamboo, through setting up annular flange board, can protect the drill way ground in bored concrete pile hole better, solve the problem that a location steel protected a section of thick bamboo easily landing effectively.
The utility model adopts the technical scheme as follows:
an anti-slip positioning steel pile casing for a mechanical bored concrete pile comprises an orifice guard ring and a casing body which are connected up and down, wherein a plurality of grout overflow holes are formed in the orifice guard ring, and a blade foot is arranged at the lower end of the casing body; the orifice guard ring is connected with the pile casing body through a connecting hole, the orifice guard ring is thicker than the pile casing body, the annular flange plate is sleeved on the outer circumference of the pile casing body, the orifice guard ring and the annular flange plate are mutually contacted and welded into a whole in pairs, and a stiffening plate is arranged between the annular flange plate and the orifice guard ring and/or the pile casing body; the pile casing body is embedded at the orifice of the pile hole of the cast-in-place pile and has an inner diameter larger than the pile diameter of the cast-in-place pile; the annular flange plate is in contact with the ground.
Further, the width of the annular flange plate is 0.4-0.6 times of the inner diameter of the annular flange plate.
Furthermore, the grout-overflowing holes are distributed along the circumference of the orifice retainer.
Further, two slurry overflow holes are symmetrically distributed in the middle of the orifice retainer.
Further, the orifice retainer has the same inner diameter as the cartridge body.
Further, the cutting edge of the cutting edge foot and the protective cylinder body have the same inner diameter.
Through comprehensively adopting the technical scheme, the utility model discloses can gain following beneficial effect:
1. the annular flange plate can uniformly disperse complex load at the hole of the cast-in-place pile, can effectively protect the ground of the hole, greatly improves the stability of the positioning steel casing, and reduces or avoids construction period loss and economic loss caused by the sliding of the positioning steel casing;
2. the seepage diameter of surface water entering the bored concrete pile hole is increased, the surface water can be effectively isolated, and the surface water is prevented from permeating the hole along the outer wall of the positioning steel casing to damage the orifice ground.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the overall structure of an anti-slip positioning steel casing for a mechanical bored pile according to some embodiments;
fig. 2 is a schematic structural view of the mutual thickness of the joint of the orifice retainer, the casing body and the annular flange plate in some embodiments.
Description of reference numerals:
1-orifice guard ring, 11-slurry overflow hole, 2-protective cylinder body, 21-cutting edge and 3-annular flange plate.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the drawings of the present invention, it should be understood that different technical features which are not mutually alternative are shown in the same drawing, and the embodiment described with reference to the drawings is not indicated or implied to include all the technical features in the drawings only for the convenience of simplifying the drawing description and reducing the number of drawings, and thus should not be understood as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the utility model relates to a location steel that antiskid falls for mechanical pore-forming bored concrete pile protects a section of thick bamboo, including drill way protective shroud 1 and the section of thick bamboo body 2 that protects that meet from top to bottom, the junction of drill way protective shroud 1 and the section of thick bamboo body 2 that protects is equipped with annular flange board 3, annular flange board 3 and ground contact. Through setting up annular flange board 3, can increase the contact that a location steel protected a section of thick bamboo and ground, the dead weight and the vertical downward load that act on a location steel that protect a section of thick bamboo of protecting a location steel convert into the load that acts on ground. Through setting up annular flange board 3, can increase the downthehole seepage footpath of surface water entering bored concrete pile, keep apart surface water more effectively, prevent that surface water from protecting a section of thick bamboo outer wall infiltration downthehole destruction drill way ground along location steel. Seepage diameter refers to the route trend when seepage occurs in hydraulic engineering.
The width of the annular flange plate 3 should be designed according to the specific situation at the construction site. The factors such as standing of operating personnel, mechanical walking vibration, mechanical dead weight cause the orifice ground atress complicated, and annular flange plate 3 has certain width and is rigid, can protect the orifice ground more effectively, and personnel stand and carry out construction operation on annular flange plate 3, and the security is higher. In some embodiments, the width of the annular flange plate 3 is 0.4 to 0.6 times the inner diameter of the annular flange plate 3, and the aperture retainer 1 has a larger thickness than the casing body 2, the annular flange plate 3 is sleeved on the outer circumference of the casing body 2, and the casing body 2, the aperture retainer 1 and the annular flange plate 3 are welded together in a manner of contacting each other in pairs, as shown in fig. 2. In at least one embodiment, stiffening plates are also provided between annular flange plate 3 and aperture retainer 1 and/or shroud body 2.
In some embodiments, the casing body 2 is embedded at an orifice of a pile hole of a cast-in-place pile, and has a larger inner diameter than a pile diameter of the cast-in-place pile.
In some embodiments, the orifice retainer 1 is provided with a plurality of grout holes 11, and the lower end of the casing body 2 is provided with a blade 21. In some embodiments, the grout holes 11 are distributed along the circumference of the orifice retainer 1. In at least one embodiment, two of the grout holes 11 are distributed along the circumference of the orifice retainer 1 and are located in the middle of the orifice retainer 11. In at least one embodiment, the cutting edges of the aperture retainer 1, the cartridge body 2 and the blade foot 21 have the same inner diameter.
At least one exemplary embodiment is now provided in connection with the drawings, a detailed description of which is provided in the drawings not intended to limit the scope of the claimed invention, but is merely representative of exemplary embodiments provided in the invention.
Referring to fig. 1-2, for an example of a cast-in-place pile with a pile diameter of 1000mm, the inner diameter of the positioning steel casing is 1200mm, and the total height is 2000 mm.
The pile casing body 2 is embedded in the orifice of a pile hole of the cast-in-place pile, the inner diameter of the pile casing body is 1200mm, the outer diameter of the pile casing body is 1220mm, the thickness of a steel plate is 10mm, and the height of the steel plate is 1600 mm. The orifice retainer 1 is installed in butt joint with the casing body 2, has the same inner diameter as the casing body 1, and has an outer diameter of 1228mm and a steel plate thickness of 14 mm. Annular flange plate 3 locates the junction of drill way protective shroud 1 and a section of thick bamboo body 2, and as an organic whole with two liang of mutual contact welding of drill way protective shroud 1 and a section of thick bamboo body 2, its width is 500mm, thickness 10 mm. The two slurry overflow holes 11 are symmetrically arranged along the circumference of the orifice retainer 1 and are 100mm in diameter, and are positioned in the middle of the orifice retainer 1. The lower extreme of a casing body 2 is located to sword foot 21, and the sword foot upper shed is connected with casing body 2, and thickness is the same with casing body 2, and the external diameter of sword foot blade is 1212mm, and sword foot blade steel sheet thickness is 6mm, and the height of sword foot is 10 mm.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (6)
1. A antiskid location steel protects a section of thick bamboo that falls for mechanical pore-forming bored concrete pile, its characterized in that:
the mortar bucket comprises an orifice guard ring and a guard cylinder body which are connected up and down, wherein a plurality of mortar overflow holes are formed in the orifice guard ring, and a blade foot is arranged at the lower end of the guard cylinder body;
the orifice guard ring is connected with the pile casing body through a connecting hole, the orifice guard ring is thicker than the pile casing body, the annular flange plate is sleeved on the outer circumference of the pile casing body, the orifice guard ring and the annular flange plate are mutually contacted and welded into a whole in pairs, and a stiffening plate is arranged between the annular flange plate and the orifice guard ring and/or the pile casing body;
the pile casing body is embedded at the orifice of the pile hole of the cast-in-place pile and has an inner diameter larger than the pile diameter of the cast-in-place pile; the annular flange plate is in contact with the ground.
2. The anti-slip positioning steel casing for a mechanical bored concrete pile according to claim 1, wherein: the width of the annular flange plate is 0.4-0.6 times of the inner diameter of the annular flange plate.
3. The anti-slip positioning steel casing for a mechanical bored concrete pile according to claim 1 or 2, wherein: the slurry overflow holes are distributed along the circumference of the orifice guard ring.
4. The anti-slip positioning steel casing for a mechanical bored concrete pile according to claim 3, wherein: two slurry overflow holes are symmetrically distributed in the middle of the orifice retainer.
5. The anti-slip positioning steel casing for a mechanical bored concrete pile according to claim 1 or 2, wherein: the orifice retainer has the same inner diameter as the cartridge body.
6. The anti-slip positioning steel casing for a mechanical bored concrete pile according to claim 1 or 2, wherein: the cutting edge of the cutting edge foot and the protective cylinder body have the same inner diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024345.8U CN212835367U (en) | 2020-06-05 | 2020-06-05 | Anti-slip positioning steel casing for mechanical pore-forming cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024345.8U CN212835367U (en) | 2020-06-05 | 2020-06-05 | Anti-slip positioning steel casing for mechanical pore-forming cast-in-place pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212835367U true CN212835367U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021024345.8U Active CN212835367U (en) | 2020-06-05 | 2020-06-05 | Anti-slip positioning steel casing for mechanical pore-forming cast-in-place pile |
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| Country | Link |
|---|---|
| CN (1) | CN212835367U (en) |
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- 2020-06-05 CN CN202021024345.8U patent/CN212835367U/en active Active
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