CN111173503A - A stopper for digging stake point soon - Google Patents
A stopper for digging stake point soon Download PDFInfo
- Publication number
- CN111173503A CN111173503A CN202010088323.6A CN202010088323A CN111173503A CN 111173503 A CN111173503 A CN 111173503A CN 202010088323 A CN202010088323 A CN 202010088323A CN 111173503 A CN111173503 A CN 111173503A
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- CN
- China
- Prior art keywords
- positioning
- pile
- disc
- outer disc
- limiter
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
Abstract
The invention provides a limiter for a rotary digging pile point, comprising: the pile casing positioning device comprises a positioning inner disc and a positioning outer disc, wherein the positioning inner disc is used for determining the position of a pile point, the positioning outer disc is used for determining the position of a pile casing, and the positioning inner disc is arranged in the positioning outer disc; the limiting arms are used for determining the position of the pile guard and are arranged adjacent to the outer surface of the positioning outer disc; the limiting device for rotary pile digging can accurately and quickly determine the positioning and the hole opening of the pile casing, the pile casing and the pile; compared with a cross line pulling method, the positioning of the step of arranging the protective cylinder and drilling the hole downwards depends on that all parts are buckled in sequence, and the position deviation cannot occur.
Description
Technical Field
The invention relates to the field of buildings, in particular to a limiter for a rotary digging pile point.
Background
With the rapid development of the construction industry, the hole forming construction process of the rotary drilling rig is generally applied. As shown in fig. 1, in pile-forming construction, according to a pile point measured and placed in an early stage, a pile casing needs to be buried, and a central point of the pile casing needs to coincide with the pile point. The traditional method is to pull a cross wire in advance, the intersection point of the cross wire is the central point of a pile position, a drilling machine is started to enable a drill bit to move to a specified pile position for centering, then drilling is carried out to form a hole to a preset elevation, and then a prefabricated steel casing is arranged and the periphery is filled with clay.
And after the pile casing is buried, the cross line is pulled again to give out the center point of the pile, the drilling machine is moved to center the intersection point of the drill bit and the cross line, then the cross line is removed, and drilling hole forming construction is carried out.
In the pile point positioning method in the prior art, in the process of centering a cross line intersection and a drill bit, an operator needs to bend down to judge by naked eyes, and the centering result has large influence, so that the deviation of a pile casing embedding position and a pile forming position is uncontrollable; on the other hand, the method of drawing the cross wire needs to draw the wire for centering and removing the wire for drilling for many times, and the construction efficiency is seriously influenced.
Disclosure of Invention
The invention provides a limiter for rotary digging a pile point, which solves the problems in the prior art.
The technical scheme of the invention is realized as follows:
a limiter for a rotary excavating pile point, comprising:
the pile casing positioning device comprises a positioning inner disc and a positioning outer disc, wherein the positioning inner disc is used for determining the position of a pile point, the positioning outer disc is used for determining the position of a pile casing, and the positioning inner disc is arranged in the positioning outer disc;
and the limiting arms are used for determining the position of the pile guard and are arranged adjacent to the outer surface of the positioning outer disc.
As a further technical solution, the positioning inner disc includes:
the positioning ring is arranged in the positioning outer disc;
one end of each positioning rod is connected with the inner surface of the positioning ring;
the pile position circle, with the coaxial axle center setting of position circle, and the other end of a plurality of locating levers all with the surface connection of pile position circle.
Preferably, the outer diameter of the positioning ring is the same as the inner diameter of the positioning outer disc.
Preferably, the inner diameter of the positioning ring is larger than the pile diameter.
Preferably, the outer diameter of the positioning outer disk is the same as the outer diameter of the casing.
As a further technical scheme, spacing arm includes:
one end of the connecting rod is arranged adjacent to the outer surface of the positioning outer disc;
and the pile protecting hole is arranged at the other end of the connecting rod.
As a further technical solution, the method further comprises:
and the limiting piece is arranged between the positioning outer disc and the connecting rod and is connected with one end of the connecting rod.
Preferably, the limiting piece is of an arc-shaped structure and is matched with the outer surface of the positioning outer disc.
As a further technical solution, the method further comprises: and the reinforcing arm is arranged at one end of the connecting rod.
Preferably, the number of the limiting arms is three, and the limiting arms are arranged on the outer surface of the positioning outer disc at equal intervals.
The technical scheme of the invention has the beneficial effects that:
1. the positioning and the hole forming of the pile casing, the pile casing and the pile can be accurately and quickly determined through the combined design of the positioning inner disc, the positioning outer disc and the plurality of limiting arms; compared with the cross line pulling method in the prior art, the technical scheme of the invention depends on the fact that all parts of the technical scheme are sequentially buckled without position deviation in the positioning of the step of arranging the protective cylinder and drilling the hole downwards. The traditional cross line pulling method needs to judge according to naked eyes, and the problem of overlarge pile position deviation is easy to occur.
2. By adopting the technical scheme of the invention, the situation that whether the drilling machine deviates or not in the process of rotating can be observed in real time, and the situation that the drilling construction needs to be suspended and the cross line is pulled to carry out pile position recheck like the traditional cross line pulling method is not needed.
3. The technical scheme of the invention can be used for manufacturing different specifications according to different pile diameters so as to meet the use under different conditions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a cross hair method in the prior art;
FIG. 2 is a schematic structural diagram of a stopper for rotary pile driving points according to the present invention;
FIG. 3 is a schematic structural view of the positioning inner disc of the present invention;
FIG. 4 is a schematic view of the positioning outer plate according to the present invention;
fig. 5 is a schematic structural view of another embodiment of the spacing arm of the present invention.
In the figure:
1-positioning an inner disc; 11-a positioning ring; 12-a positioning rod; 13-pile position circle; 2-positioning the outer disc; 3-a limiting arm; 31-a connecting rod; 32-pile guard holes; 33-a limiting piece; 34-a reinforcing arm;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2 to 5, the present invention provides a stopper for a rotary digging pile point, which comprises:
the positioning device comprises a positioning inner disc 1 and a positioning outer disc 2, wherein the positioning inner disc 1 is arranged in a positioning outer surface; in the invention, the pile point position is determined by positioning the inner disc 1, and the pile casing position is determined by positioning the outer disc 2; wherein the content of the first and second substances,
the positioning inner disc 1 comprises a positioning ring 11, a plurality of positioning rods 12 and a pile position ring 13, and the positioning ring 11 is arranged in the positioning outer disc 2; one end of each positioning rod 12 is connected with the inner surface of the positioning ring 11; the pile position ring 13 and the positioning ring 11 are coaxially arranged, and the other ends of the positioning rods 12 are connected with the outer surface of the pile position ring 13;
as shown in fig. 2, in order to ensure the matching between the positioning inner disc 1 and the positioning outer disc 2, the outer diameter of the positioning ring 11 is preferably the same as the inner diameter of the positioning outer disc 2;
moreover, the inner diameter of the positioning ring 11 is larger than the pile diameter; the outer diameter of the positioning outer disc 2 is the same as that of the protective cylinder; thus, after subsequent construction, a gap between the pile and the pile casing can be ensured; the size of the manufactured pile casing is the same as that of the pile casing which is actually needed;
the limiting arms 3 are arranged adjacent to the outer surface of the positioning outer disc 2; the position of the pile guard is determined through a plurality of limiting arms 3; wherein the content of the first and second substances,
the limiting arm 3 comprises a connecting rod 31 and a pile protection hole 32, and one end of the connecting rod 31 is arranged adjacent to the outer surface of the positioning outer disc 2; the pile guard hole 32 is arranged at the other end of the connecting rod 31; in the invention, in order to better fit with the positioning outer disc 2 to form the shape of the positioning outer disc 2, a limiting sheet 33 is preferably arranged, and the limiting sheet 33 is arranged between the positioning outer disc 2 and the connecting rod 31 and connected with one end of the connecting rod 31;
in the invention, the limiting sheet 33 is of an arc-shaped structure and is matched with the outer surface of the positioning outer disc 2; therefore, after the positioning outer disc 2 is removed, the shape of the positioning outer disc 2 can be better formed through the limiting sheet 33;
of course, in order to increase the strength of the check arm 3, in the present invention, it is preferable to provide a reinforcing arm 34, the reinforcing arm 34 being provided at one end of the connecting rod 31; the strength of the connecting arm is increased through the reinforcing arm 34, and the service life is prolonged;
as shown in fig. 2, the reinforcing arm 34 of the present invention can be integrally formed with the connecting rod 31, so that the connecting area between one end of the connecting rod 31 and the limiting piece 33 is increased;
as shown in fig. 5, the reinforcing arms 34 may be reinforcing rods oppositely disposed on two sides of the connecting rod 31, and the strength of the connecting rod 31 is increased by the reinforcing rods;
certainly, in order to ensure the precision and reduce the cost, the number of the preferred limiting arms 3 is three, and the limiting arms are arranged on the outer surface of the positioning outer disc 2 at equal intervals;
in the present invention, the stopper arms 3 have the same structure and are disposed at equal intervals, and therefore, the other stopper arms 3 will not be further described.
In order to better understand the technical scheme of the invention, the following specific examples are given:
the positioning inner disc 1 is arranged in the positioning outer disc 2, and the outer diameter of the positioning inner disc 1 is the same as the inner direction of the positioning outer disc 2; the outer diameter of the positioning outer disc 2 is the same as that of the protective cylinder; the three limiting arms 3 are arranged on the outer surface of the positioning outer disc 2 at equal intervals, limiting pieces 33 are respectively arranged between the three limiting arms 3 and the outer surface of the positioning outer disc 2, and the limiting pieces 33 are of arc-shaped structures and are matched with the outer surface of the positioning outer disc 2; namely, a circle is drawn along the inner surfaces of the three limiting pieces 33, and the diameter of the circle is the same as that of the positioning outer disc 2; and the included angle formed by the connection of the end points at the two sides of the limiting sheet 33 and the circle center of the circle is 120 degrees; the other end of the limiting arm 3 is provided with a pile protection hole 32, and the inner diameter of the pile protection hole 32 is 20 mm;
the positioning inner disc 1 comprises a positioning ring 11, six positioning rods 12 and a pile position ring 13, one end of each positioning rod 12 is connected with the inner surface of the positioning ring 11, the other end of each positioning rod 12 is connected with the outer surface of the pile position ring 13, and the six positioning rods 12 are arranged between the pile position ring 13 and the positioning ring 11 at equal intervals, so that the positioning ring 11 and the pile position ring 13 are arranged concentrically; moreover, the inner diameter of the pile position ring 13 is 20 mm;
in the actual use process:
the positioning inner disc 1 is arranged at a pile point position, so that the pile position ring 13 is superposed with the pile point position, and the positioning outer disc 2 and the limiting arm 3 are sequentially arranged; further determining the positions of the formal pile, the pile casing and the pile casing;
pile protection is arranged in a pile protection hole 32 at the tail end of the limiting arm 3, namely the pile protection position is fixed;
the positioning inner disc 1 and the positioning outer disc 2 are dismantled; drilling a hole (forming a hole along the inner range of the three limiting sheets 33) in the range of the limiting arm 3 by using a drilling machine, and arranging a protective cylinder;
after the casing is arranged, the positioning outer disc 2 is reinstalled, and formal piles are drilled continuously within the range of the positioning outer disc 2 (the range of the inner surface of the positioning outer disc 2); after the formal pile is drilled to a certain depth, the positioning outer disc 2 and the limiting arm 3 can be detached; and continuing to install the formal piles.
Because the limiting is carried out in the processes of drilling and pile driving, the axis of the formal pile is positioned on the center of the pile position ring 13 after the formal pile is installed; and then reduced holistic operation degree of difficulty when guaranteeing the precision, improved holistic work efficiency.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a stopper for digging stake point soon which characterized in that includes:
the pile casing positioning device comprises a positioning inner disc (1) used for determining the position of a pile point and a positioning outer disc (2) used for determining the position of a pile casing, wherein the positioning inner disc (1) is arranged in the positioning outer disc (2);
and a plurality of limiting arms (3) used for determining the position of the pile guard are arranged adjacent to the outer surface of the positioning outer disc (2).
2. The limiter for rotary excavating pile point according to claim 1, wherein the positioning inner disc (1) comprises:
the positioning ring (11) is arranged in the positioning outer disc (2);
one end of each positioning rod (12) is connected with the inner surface of the positioning ring (11);
the pile position circle (13), with the location circle (11) sets up with the axle center, and a plurality of the other end of locating lever (12) all with the surface connection of pile position circle (13).
3. The limiter for rotary pile driving points according to claim 2, wherein the outer diameter of the locating ring (11) is the same as the inner diameter of the locating outer disc (2).
4. The limiter for rotary excavation of pile points as claimed in claim 2, characterized in that the inner diameter of the locating ring (11) is larger than the pile diameter.
5. The limiter for rotary pile driving points according to claim 1, wherein the outer diameter of the positioning outer disc (2) is the same as the outer diameter of the pile casing.
6. The limiter for rotary excavating pile points according to claim 1, characterized in that the limiting arm (3) comprises:
one end of the connecting rod (31) is arranged adjacent to the outer surface of the positioning outer disc (2);
and a pile protection hole (32) arranged at the other end of the connecting rod (31).
7. The limiter for rotary pile driving points according to claim 6, further comprising:
and the limiting piece (33) is arranged between the positioning outer disc (2) and the connecting rod (31) and is connected with one end of the connecting rod (31).
8. The limiter for rotary pile driving points according to claim 1, wherein the limiting piece (33) is of an arc structure and is matched with the outer surface of the positioning outer disc (2).
9. The limiter for rotary pile driving points according to claim 6, further comprising:
a reinforcement arm (34) provided at one end of the connecting rod (31).
10. The limiter for rotary pile driving points according to claim 1, wherein the number of the limiting arms (3) is three, and the limiting arms are arranged on the outer surface of the positioning outer disc (2) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088323.6A CN111173503A (en) | 2020-02-12 | 2020-02-12 | A stopper for digging stake point soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088323.6A CN111173503A (en) | 2020-02-12 | 2020-02-12 | A stopper for digging stake point soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111173503A true CN111173503A (en) | 2020-05-19 |
Family
ID=70656522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010088323.6A Pending CN111173503A (en) | 2020-02-12 | 2020-02-12 | A stopper for digging stake point soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111173503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878065A (en) * | 2020-07-15 | 2020-11-03 | 中国一冶集团有限公司 | Device and method for monitoring center deviation of pile foundation in construction of percussion drilling cast-in-place pile |
-
2020
- 2020-02-12 CN CN202010088323.6A patent/CN111173503A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878065A (en) * | 2020-07-15 | 2020-11-03 | 中国一冶集团有限公司 | Device and method for monitoring center deviation of pile foundation in construction of percussion drilling cast-in-place pile |
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