CN113280721B - Pile core positioning device and pile core positioning method - Google Patents
Pile core positioning device and pile core positioning method Download PDFInfo
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- CN113280721B CN113280721B CN202110448310.XA CN202110448310A CN113280721B CN 113280721 B CN113280721 B CN 113280721B CN 202110448310 A CN202110448310 A CN 202110448310A CN 113280721 B CN113280721 B CN 113280721B
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- telescopic
- circular ring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/02—Means for marking measuring points
- G01C15/06—Surveyors' staffs; Movable markers
- G01C15/08—Plumbing or registering staffs or markers over ground marks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to a pile core positioning device and a pile core positioning method, the device comprises a central base circle and a plumb bob, the plumb bob comprises a plumb line and a plumb bob, the plumb bob is fixed at the center of the radial line of the base circle through the plumb line, the outer wall of the central base circle is connected with a plurality of telescopic arms which extend outwards horizontally, the end parts of the telescopic arms are respectively provided with a supporting structure which faces downwards vertically, and the bottom end of the supporting structure is supported on the ground. The pile core positioning method comprises the following steps: the plumb bob is suspended at the center of a radial line of a base circle through a crane, the inner ring is placed at the center of a pile head, the outer ring is rotated to enable each telescopic boom to avoid a pile head reinforcing steel bar, the tail end of each telescopic boom extends out from a reinforcing steel bar interval respectively, a supporting structure at the end part of each telescopic boom extends downwards to be supported on the ground, a fixing part on the inner side of each supporting part supports against the outer peripheral wall of the pile head respectively, the length of the supporting structure is adjusted to enable horizontal bubbles to be centered, and the position where the plumb bob naturally falls is a pile center. The invention can accurately and quickly position the pile core and improve the accuracy and efficiency of pile position measurement.
Description
Technical Field
The invention relates to a pile core positioning device and a pile core positioning method, which are used as auxiliary tools of measuring instruments such as a GPS (global positioning system) instrument or a total station instrument and the like in the engineering pile position measuring process to help measuring personnel to more efficiently and accurately position a pile core so as to measure the pile position, and belong to the technical field of constructional engineering measurement.
Background
With the development of national socioeconomic and building industry, the pile foundation is the most widely adopted foundation form for people in building high-rise buildings and important building engineering. When shallow geology is bad, the requirements of bearing capacity checking calculation, foundation deformation and stability cannot be met by adopting a natural foundation, and foundation treatment measures cannot be adopted, a pile foundation is also usually adopted.
In the engineering construction process, the deviation condition of the constructed pile needs to be determined during acceptance inspection, and the pile core of the pile needs to be determined in the pile deviation measurement process. The traditional pile position measurement basically adopts a diagonal line pulling mode to search for the pile core, but the mode has the defects of complex operation, large positioning error, long time consumption and the like. For a common construction site, there are at least thousands of piles, and using conventional measurement methods requires a great deal of labor and time. Therefore, it is necessary to design a tool capable of quickly and accurately positioning the pile core to cooperate with a measuring instrument to measure the pile position.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a pile core positioning device which can accurately and quickly position a pile core and improve the accuracy and efficiency of pile position measurement.
The pile center positioning device comprises a central base circle and a plumb bob, wherein the plumb bob comprises a plumb line and a plumb bob, a radial line of the base circle is connected with the diameter of the central base circle, the plumb bob is fixed at the center of the radial line of the base circle through the plumb line, the outer wall of the central base circle is connected with a plurality of telescopic arms extending outwards horizontally, the end part of each telescopic arm is respectively provided with a vertical downward supporting structure, and the bottom end of each supporting structure is supported on the ground.
Furthermore, the telescopic arm is formed by nesting more than one telescopic joint, and each telescopic joint is locked by a telescopic joint fixing knob.
Furthermore, the center base circle comprises an inner circular ring and an outer circular ring, the telescopic boom is fixed on the outer wall of the outer circular ring, the outer circular ring is rotatably fixed on the periphery of the inner circular ring, the inner circular ring and the outer circular ring are locked through a circular ring fixing knob, and the top surface of the outer circular ring is provided with horizontal bubbles.
Furthermore, the telescopic arms are symmetrically provided with four telescopic arms, the included angle between each telescopic arm and the adjacent telescopic arm is 90 degrees, and each telescopic arm is respectively nested with three telescopic joints, and each telescopic joint is provided with a groove and a tenon for ensuring stable telescopic.
Further, bearing structure includes supporting part and regulation portion, the regulation portion connects soon the below of supporting part, the double-screw bolt of regulation portion for being equipped with the conical head, the conical head is located the lower extreme of double-screw bolt and most advanced vertical direction are down, the supporting part is hollow sleeve, be equipped with in the telescopic hole with the female screw thread that the double-screw bolt connects soon mutually.
Furthermore, one side of the supporting part facing to the central base circle axis is respectively provided with a fixing part, and the fixing parts are respectively abutted against the peripheral wall of the pile head.
Furthermore, a handle is fixed on the inner circular ring and is in a U shape with a downward opening.
Furthermore, the inner ring is marked with angle scale lines, and each telescopic joint is marked with length scale lines.
The beneficial effects of the invention are: 1. the telescopic joint is convenient to store and carry, is suitable for measuring different pile diameters and has strong applicability; when the expansion joint is damaged, the expansion joint can be replaced one by one, so that the production cost is saved.
2. The inner circular ring and the outer circular ring are arranged, so that the device can rotate conveniently and avoid the reinforcing steel bars of the pile head; horizontal bubble can keep device level, makes the location of stake heart more accurate.
3. The telescopic boom is symmetrically provided with four telescopic booms, the included angle between each telescopic boom and the adjacent telescopic boom is 90 degrees, each telescopic boom is respectively nested with three telescopic joints, and each telescopic joint is provided with a groove and a tenon for ensuring stable telescopic. The device is more stable, the positioning of the pile core is more accurate, and the positioned pile core is prevented from deviating.
4. The stud connection is convenient for adjust the height of the supporting part, so that the device is horizontal, the conical head is beneficial to the stable vertical support of the supporting part on the ground, the deviation can be avoided, the structure is firm, the stud is convenient to rotate, and the abrasion is small.
5. The fixed part makes the device can not squint at the measurement in-process, pastes the periphery wall of tight pile head and makes the location of stake core and the radius of pile head more accurate.
6. The device is convenient to carry and fix the angle of the inner ring.
7. Angle scale lines on the inner circular ring can read out a phase angle between the outer circular ring and the inner circular ring so that the telescopic boom avoids steel bars on the periphery of the pile head; the length scale marks on the telescopic joint can directly read the radius of the pile head, the length of each telescopic arm can be confirmed to be consistent without additional processing tool measurement, and the pile position measurement efficiency is improved.
Another object of the present invention is to overcome the problems in the prior art and to provide a method for positioning a pile core, which can accurately and quickly position the pile core, thereby improving the accuracy and efficiency of pile position measurement.
The invention discloses a pile core positioning method, which sequentially comprises the following steps:
step 1: a base circle radial line extending along the diameter of the inner ring of the central base circle is fixed on the inner ring of the central base circle, a rotatable outer ring is nested on the periphery of the inner ring, and a plurality of telescopic arms are symmetrically connected on the periphery of the outer ring;
step 2: suspending a plumb bob at the center of the base circle radial line through a suspension wire;
and step 3: the inner ring is placed in the center of the pile head, the outer ring is rotated, each telescopic arm avoids the pile head reinforcing steel bar extending upwards from the outer edge of the pile head, and the inner ring and the outer ring are fixed through a ring fixing knob;
and 4, step 4: the tail end of each telescopic arm extends out of an interval between pile head reinforcing steel bars, the length of each telescopic arm is adjusted according to the diameter of a pile head, each telescopic arm is nested with three telescopic joints, each telescopic joint is marked with a length scale mark, the scale of each telescopic joint is read, the length of each telescopic arm is equal to the radius of the pile head, and then each telescopic joint fixing knob is screwed;
and 5: the supporting structures at the end parts of the telescopic arms extend downwards, each supporting structure respectively comprises a supporting part positioned at the upper part and an adjusting part screwed below the supporting structure, the bottom of each adjusting part is supported on the ground, one side of each supporting part facing to the axis of the central base circle is respectively provided with a fixing part, and each fixing part is respectively abutted against the outer peripheral wall of the pile head;
step 6: the extension length of the adjusting part is adjusted to enable the bubbles in the horizontal bubbles on the top surface of the outer circular ring to be centered, and the position where the plumb bob naturally falls is the pile center.
Furthermore, regulating part includes the double-screw bolt and connects the conical head at the double-screw bolt lower extreme, the pointed end of conical head points downwards perpendicularly, the supporting part is hollow sleeve, be equipped with female screw in the telescopic hole and with the double-screw bolt connects soon mutually.
The invention has the beneficial effects that: 1. the telescopic joint is convenient to store and carry, is suitable for measuring different pile diameters, and has strong applicability; when the expansion joint is damaged, the expansion joint can be replaced one by one, so that the production cost is saved.
2. The inner circular ring and the outer circular ring are arranged, so that the device can rotate conveniently and avoid passing through the reinforcing steel bars; horizontal bubble can keep device level, makes the location of stake heart more accurate.
3. The telescopic arms are symmetrically provided with four telescopic arms, the included angle between each telescopic arm and the adjacent telescopic arm is 90 degrees, each telescopic arm is respectively nested with three telescopic joints, and each telescopic joint is provided with a groove and a tenon for ensuring stable telescopic. Make the device more stable, the location of stake heart is more accurate, prevents that the stake heart of location from taking place the skew.
4. The stud connection is convenient for adjust the height of the supporting part, so that the device is horizontal, the conical head is beneficial to the stable vertical support of the supporting part on the ground, the deviation can not occur, the structure is firm, the stud is convenient to rotate, and the abrasion is small.
5. The fixing part enables the device not to deviate in the measuring process, the supporting part is made to be attached to the peripheral wall of the pile head, and the positioning of the pile core and the radius of the pile head are more accurate.
6. The device is convenient to carry and fix the angle of the inner ring.
7. Angle scale marks on the inner ring can read a phase angle between the outer ring and the inner ring so that the telescopic boom avoids the reinforcing steel bars on the periphery of the pile head; the length scale lines on the telescopic joint can directly read the radius of the pile head, the length consistency of each telescopic arm can be confirmed without additional processing tool measurement, and the pile position measurement efficiency is improved.
Drawings
Figure 1 is a perspective view of the present invention,
figure 2 is a top view of the present invention,
figure 3 is a front view of the present invention,
fig. 4 is a diagram showing the effect of the present invention.
In the figure: 1. center ring base plate, 11 horizontal bubble, 12 inner ring, 13 outer ring, 14 handle, 15 fixed knob
2 telescopic arm, 21 telescopic joint, 22 fixing knob, 3 plumb bob, 31 plumb line, 32 plumb bob, 4 supporting structure, 41 supporting part, 42 adjusting part and 43 fixing part.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 3, the pile center positioning device of the present invention includes a central base circle 1 and a plumb bob 3, wherein the plumb bob 3 includes a plumb line 31 and a plumb bob 32, a radial line of the base circle is connected along a diameter of the central base circle 1, the plumb bob 32 is fixed at a center of the radial line of the base circle through the plumb line 31, a plurality of horizontally outwardly extending telescopic booms 2 are connected to an outer wall of the central base circle 1, a vertically downward supporting structure 4 is respectively provided at an end of each telescopic boom 2, and a bottom end of each supporting structure 4 is supported on the ground. The telescopic arm 2 is formed by nesting more than one telescopic joint 21, and each telescopic joint 21 is locked by a telescopic joint fixing knob 22.
The central base circle 1 comprises an inner circular ring 12 and an outer circular ring 13, the telescopic boom 2 is fixed on the outer wall of the outer circular ring 13, the outer circular ring 13 is rotatably fixed on the periphery of the inner circular ring 12, the inner circular ring 12 and the outer circular ring 13 are locked by a circular ring fixing knob 15, and the top surface of the outer circular ring 13 is provided with a horizontal bubble 11.
The telescopic arms 2 are symmetrically provided with four telescopic arms, the included angle between each telescopic arm 2 and the adjacent telescopic arm 2 is 90 degrees, each telescopic arm 2 is respectively nested with three telescopic joints 21, and each telescopic joint 21 is provided with a groove and a tenon for ensuring stable telescopic.
The supporting structure 4 comprises a supporting part 41 and an adjusting part 42, the adjusting part 42 is screwed below the supporting part 41, the adjusting part 42 is a stud with a conical head, the conical head is positioned at the lower end of the stud, the pointed end of the conical head vertically points downwards, the supporting part 41 is a hollow sleeve, and female threads screwed with the stud are arranged in an inner hole of the sleeve. The sides of the support parts 41 facing the axis of the central base circle 1 are provided with fixing parts 43, respectively, the fixing parts 43 abutting against the outer peripheral wall of the pile head, respectively.
The inner ring 12 is fixed with a handle 14, and the handle 14 is in a U shape with a downward opening. The inner ring 12 is marked with angle scale lines, and each expansion joint 21 is marked with length scale lines. The radius of the pile head can be directly read, the length consistency of the telescopic arms can be confirmed without additional processing tool measurement, and the pile position measurement efficiency is improved.
As shown in fig. 4, a pile core positioning method sequentially includes the following steps:
step 1: a base circle radial line extending along the diameter of the inner ring 12 of the central base circle 1 is fixed on the inner ring 12, a rotatable outer ring 13 is nested on the periphery of the inner ring 12, and a plurality of telescopic arms 2 are symmetrically connected on the periphery of the outer ring 13;
step 2: the plumb bob 32 is suspended at the center of the base circle radial line through the suspension wire 31;
and step 3: placing the inner ring 12 in the center of the pile head, rotating the outer ring 13 to enable each telescopic arm 2 to avoid the pile head reinforcing steel bars extending upwards from the outer edge of the pile head, and fixing the inner ring 12 and the outer ring 13 through the ring fixing knob 15;
and 4, step 4: the tail ends of the telescopic arms 2 extend out of the intervals between pile head reinforcing steel bars respectively, the length of each telescopic arm 2 is adjusted according to the diameter of a pile head, three telescopic joints 21 are nested in each telescopic arm 2 respectively, length scale marks are marked on each telescopic joint 21, the scales of the telescopic joints 21 are read, the length of each telescopic arm 2 is equal to the radius of the pile head, and then a telescopic joint fixing knob 22 is screwed;
and 5: the supporting structures 4 at the end parts of the telescopic arms 2 extend downwards, each supporting structure 4 comprises a supporting part 41 positioned at the upper part and an adjusting part 42 screwed below, the bottom of each adjusting part 42 is supported on the ground, one side of each supporting part 41 facing the axis of the central base circle 1 is provided with a fixing part 43, and each fixing part 43 is abutted against the peripheral wall of the pile head;
and 6: the extension length of the adjusting portion 42 is adjusted to center the air bubbles in the horizontal air bubbles 11 on the top surface of the outer ring 13, and the position where the plumb bob 32 naturally falls is the pile center.
The adjusting portion 42 includes a stud and a conical head connected to the lower end of the stud, the tip of the conical head is directed vertically downward, the supporting portion 41 is a hollow sleeve, and female threads are arranged in an inner hole of the sleeve and are screwed with the stud.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
1. The utility model provides a stake heart positioner, includes central base circle (1) and hammerhead (3), its characterized in that: the plumb bob (3) comprises a plumb line (31) and a plumb bob (32), a base circle radial line is connected along the diameter of a central base circle (1), the plumb bob (32) is fixed at the center of the base circle radial line through the plumb line (31), the outer wall of the central base circle (1) is connected with a plurality of telescopic arms (2) which horizontally extend outwards, the end part of each telescopic arm (2) is respectively provided with a vertically downward supporting structure (4), and the bottom end of each supporting structure (4) is supported on the ground;
the telescopic arm (2) is formed by nesting more than one telescopic joint (21), and each telescopic joint (21) is locked by a telescopic joint fixing knob (22);
the central base circle (1) comprises an inner circular ring (12) and an outer circular ring (13), the telescopic boom (2) is fixed on the outer wall of the outer circular ring (13), the outer circular ring (13) is rotatably fixed on the periphery of the inner circular ring (12), the inner circular ring (12) and the outer circular ring (13) are locked through a circular ring fixing knob (15), and the top surface of the outer circular ring (13) is provided with a horizontal bubble (11);
the supporting structure (4) comprises a supporting part (41) and an adjusting part (42), the adjusting part (42) is screwed below the supporting part (41), the adjusting part (42) is a stud provided with a conical head, the conical head is positioned at the lower end of the stud, the tip of the conical head vertically points downwards, the supporting part (41) is a hollow sleeve, and female threads screwed with the stud are arranged in an inner hole of the sleeve;
one side of the supporting part (41) facing to the axis of the central base circle (1) is respectively provided with a fixing part (43), and the fixing parts (43) are respectively abutted against the peripheral wall of the pile head;
the inner circular ring (12) is marked with angle scale lines and used for reading out a phase angle between the outer circular ring and the inner circular ring so that the telescopic boom can avoid steel bars on the periphery of the pile head; each telescopic joint (21) is marked with length scale marks and used for reading the radius of the pile head, a handle (14) is fixed on the inner ring (12), and the handle (14) is in a U shape with a downward opening;
the pile core positioning method of the pile core positioning device comprises the following steps:
step 1: placing the inner circular ring (12) at the center of the pile head, rotating the outer circular ring (13) to enable each telescopic arm (2) to avoid pile head reinforcing steel bars extending upwards from the outer edge of the pile head, and fixing the inner circular ring (12) and the outer circular ring (13) through a circular ring fixing knob (15);
step 2: the tail ends of the telescopic arms (2) respectively extend out of the intervals between the pile head reinforcing steel bars, the length of each telescopic arm (2) is adjusted according to the diameter of the pile head, the length of each telescopic arm (2) is equal to the radius of the pile head, and then each telescopic joint fixing knob (22) is screwed;
and step 3: the supporting structure (4) at the end part of each telescopic arm (2) extends downwards, and each fixing part (43) is respectively abutted against the outer peripheral wall of the pile head;
and 4, step 4: the extension length of the adjusting part (42) is adjusted to center the air bubbles in the horizontal air bubbles (11) on the top surface of the outer circular ring (13), and the position where the plumb bob (32) naturally falls is the pile center.
2. The pile core positioning device according to claim 1, wherein: the telescopic arm is characterized in that four telescopic arms (2) are symmetrically arranged, the included angle between each telescopic arm (2) and the adjacent telescopic arm (2) is 90 degrees, each telescopic arm (2) is respectively nested with three telescopic joints (21), and grooves and tenons used for guaranteeing stable telescopic are arranged on each telescopic joint (21).
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| CN202110448310.XA CN113280721B (en) | 2021-04-25 | 2021-04-25 | Pile core positioning device and pile core positioning method |
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| CN202110448310.XA CN113280721B (en) | 2021-04-25 | 2021-04-25 | Pile core positioning device and pile core positioning method |
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| CN114166093A (en) * | 2021-12-14 | 2022-03-11 | 中建新疆建工（集团）有限公司 | Auxiliary device for measuring pile diameter and pile center coordinates |
| EP4235097A1 (en) * | 2022-02-03 | 2023-08-30 | Topcon Corporation | Reference point indicating apparatus |
| CN117190818B (en) * | 2023-11-08 | 2024-01-26 | 中国电建市政建设集团有限公司 | Pile core positioning device and pile core positioning method |
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| JP2006060979A (en) * | 2004-08-24 | 2006-03-02 | Hitachi Plant Eng & Constr Co Ltd | Centering method and apparatus for rotating body |
| CN204626440U (en) * | 2015-05-27 | 2015-09-09 | 中国葛洲坝集团股份有限公司 | Adjustable pile foundation bar reinforcement positioning device |
| CN105484299A (en) * | 2016-01-11 | 2016-04-13 | 中国建筑第八工程局有限公司 | Contraction positioning support for determining center of pile foundation and construction method of contraction positioning support |
| CN110056017A (en) * | 2019-04-22 | 2019-07-26 | 上海建工一建集团有限公司 | Stake heart positioning device and its measurement method |
| CN211696396U (en) * | 2020-04-13 | 2020-10-16 | 中建三局集团有限公司 | Device for detecting perpendicularity of pile casing and positioning pile position lofting auxiliary positioning |
| CN112124619A (en) * | 2020-08-21 | 2020-12-25 | 西北工业大学 | Propeller pitch angle adjusting device and method |
| CN215105558U (en) * | 2021-04-25 | 2021-12-10 | 中铁建工集团有限公司 | Pile core positioning device |
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