CN115613638A - Device and method for detecting construction verticality of overlong and overweight steel pipe column - Google Patents
Device and method for detecting construction verticality of overlong and overweight steel pipe column Download PDFInfo
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- CN115613638A CN115613638A CN202211341596.2A CN202211341596A CN115613638A CN 115613638 A CN115613638 A CN 115613638A CN 202211341596 A CN202211341596 A CN 202211341596A CN 115613638 A CN115613638 A CN 115613638A
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- pipe column
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
The invention discloses a construction verticality detection device for an overlong and overweight steel pipe column, which comprises an array type displacement meter, wherein the array type displacement meter comprises a plurality of measurement units, every two adjacent measurement units are connected through a rubber pipe, the center of the inside of each measurement unit is provided with a horizontal displacement meter, the upper end of the array type displacement meter is connected with an angle identification ring through the rubber pipe, the array type displacement meter is connected with a data transmission module through a cable, and the data transmission module is wirelessly connected with a remote terminal through a transmission antenna. According to the method, the plurality of measuring units are connected together through the rubber pipes, and the perpendicularity of the whole steel pipe column at a plurality of positions can be calculated by measuring the relative displacement of the plurality of measuring units, so that the measuring accuracy is improved in a linear mode; the complex environment of a construction site is overcome, wireless transmission of detection data is realized, and the verticality deviation of the steel pipe column is tracked and measured in real time.
Description
Technical Field
The invention relates to the technical field of civil engineering construction, in particular to a device and a method for detecting construction verticality of an overlong and overweight steel pipe column.
Background
In the construction process of a large underground structure, the steel pipe column is usually constructed by adopting a reverse construction method, and due to the particularity of the construction process, the steel pipe column cannot be subsequently adjusted after the construction is finished, so that a proper perpendicularity detection method must be adopted to ensure that the steel pipe column has perpendicularity meeting the construction precision requirement, and the steel pipe column perpendicularity detection method commonly used in practice comprises the following steps: (1) An inclination angle sensor detection method, namely, when a steel pipe column is inserted to the lower part of an HPE hydraulic press, drilling a hole on a flange of the steel pipe column to fix the inclination angle sensor, and meanwhile, arranging a signal receiving device on the HPE hydraulic press, and using signal transmission between two points to measure and calculate the inclination angle of the steel pipe column, thereby implementing deviation correction operation; (2) A total station detection method, namely arranging two total stations at two sides of the steel pipe column, wherein the two total stations are required to be orthogonal to the center line of the steel pipe column, detecting the whole-process verticality in the installation process of the steel pipe column, and adjusting the verticality and correcting the deviation of the steel pipe column; (3) The method for detecting the inclinometer is characterized in that the inclinometer with the length larger than 2/5L (L is the total length of the steel pipe column) is arranged on the outer side of the steel pipe column, a cable is utilized to slide a verticality detection probe into the steel pipe along a cross slot in a PVC pipe, a specially-assigned person acquires data every time the height of the probe is increased by 0.5m in two axial directions, the verticality of the steel pipe column is calculated through measurement data, the steel pipe column is adjusted through the calculated verticality, and measurement and adjustment are repeated until the verticality requirement is met.
The three steel pipe column construction verticality detection methods have respective limitations and disadvantages: the tilt sensor detection method in the step (1) requires accurate installation position of a sensor, is a single-point sensor, and has insufficient measurement accuracy; in the total station detection method (2), after the steel pipe column is inserted to a certain depth, the exposed length is too short, the perpendicularity cannot be accurately measured by using the total station, and in addition, measurement personnel are required to be matched in the whole process, so that the labor is wasted; the inclinometer tube detection method in the step (3) has high requirement on the installation accuracy of the inclinometer tube, the inclinometer probe needs to be manually lifted in each measurement, the detection efficiency is extremely low, and the construction is inconvenient.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides a device and a method for detecting the construction verticality of an overlong and overweight steel pipe column, which can solve the problems.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the utility model provides an overweight steel-pipe column construction straightness detection device that hangs down of overlength, includes array displacement meter, array displacement meter includes a plurality of measuring unit, and adjacent two connect through the rubber tube between the measuring unit, every the inside center of measuring unit all is equipped with a horizontal displacement meter, the upper end of array displacement meter is passed through rubber tube connects the angle sign ring, array displacement meter passes through cable junction data transmission module, data transmission module passes through transmission antenna wireless connection remote terminal.
Furthermore, each measuring unit is provided with at least two centering brackets.
Furthermore, the end part of the angle identification ring is connected with a recovery rope.
Further, the remote terminal comprises a receiving wire and a data receiving module.
A detection method of a detection device for construction verticality of an overlong and overweight steel pipe column comprises the following steps: s1, welding an auxiliary steel pipe on the inner wall of a steel pipe column through a fixing support, and arranging a tool column at the upper end of the steel pipe column; s2, inserting the array type displacement meter into the auxiliary steel pipe, and connecting the data transmission module and the transmission antenna to the inner wall of the tool column; and S3, detecting and adjusting the verticality of the steel pipe column through the array type displacement meter, and repeatedly executing the action until the verticality K value of the steel pipe column is adjusted to a specified value.
Furthermore, the top port surface of the auxiliary steel pipe, the top port surface of the steel pipe column and the top end surface of the measuring unit at the top end of the array type displacement meter are parallel to each other.
Further, the calculation formula of the verticality K value of each measuring unit is as follows:
Wherein Δ X n For the X-axis horizontal displacement, Δ Y, of the nth section measuring unit n And the Y-axis horizontal displacement of the nth section of measuring unit, wherein L is the length of a measuring part from the nth section of measuring unit to the coordinate origin.
The invention has the beneficial effects that: according to the method, the plurality of measuring units are connected together through the rubber pipes, and the verticality of the whole steel pipe column at a plurality of positions can be calculated by measuring the relative displacement of the plurality of measuring units, so that the measuring accuracy is improved in a linear mode; the complex environment of a construction site is overcome, wireless transmission of detection data is realized, and the verticality deviation of the steel pipe column is tracked and measured in real time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
The invention is explained in further detail below with reference to the drawing.
FIG. 1 is a schematic structural diagram of a device for detecting construction verticality of an ultra-long and ultra-heavy steel pipe column according to an embodiment of the present invention, installed in a steel pipe column;
FIG. 2 is a plan view of an upper end surface of a steel pipe column according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a construction verticality detection device for an ultra-long and overweight steel pipe column according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a three-dimensional coordinate system measurement result of the array type displacement meter according to the embodiment of the invention;
FIG. 5 is a schematic diagram of the measurement results of the array type displacement meter in the XOZ plane according to the embodiment of the invention;
in the figure:
1. an angle identification ring; 2. a rubber tube; 3. a measuring unit; 4. centering the bracket; 5. recovering the rope; 6. a cable; 7. a data transmission module; 8. a transmission antenna; 11. an auxiliary steel pipe; 12. fixing a bracket; 13. steel pipe columns; 14. a transmission module support; 15. a tool post.
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 that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1 to 5, the device for detecting the construction verticality of an ultra-long and ultra-heavy steel pipe column according to the embodiment of the present invention includes an array type displacement meter, the array type displacement meter includes a plurality of measuring units 3, two adjacent measuring units 3 are connected through a rubber pipe 2, a horizontal displacement meter is disposed at the center inside each measuring unit 3, the upper end of the array type displacement meter is connected to an angle identification ring 1 through the rubber pipe 2, the array type displacement meter is connected to a data transmission module 7 through a cable 6, and the data transmission module 7 is wirelessly connected to a remote terminal through a transmission antenna 8.
In one embodiment of the present invention, each measurement unit 3 is connected by a length of rubber tubing 2, and the uppermost end of the device of the present application is fitted with an angle identification ring 1 (a ring member marked with a score line) to measure the angle of rotation and determine the primary viewing direction. The top end of the angle identification ring 1 is connected with a recovery rope 5 (used for recovering the array type displacement meter), one end of a cable 6 is connected with the array type displacement meter, and the other end of the cable is connected with a data transmission module 7. The data transmission module 7 is fixed on the transmission module support 14 by bolts, the transmission module support 14 is welded on the inner wall of the tool post 15 at a distance of 50cm from the pipe orifice, and the transmission antenna 8 is adsorbed on the inner wall of the tool post 15. The measured data is processed by a data transmission module 7, then is transmitted by a transmission antenna 8, is received by another receiving antenna and is transmitted to a computer by a data receiving module. Every measuring unit 3 outside evenly sets up two centering supports 4, and this application device inserts supplementary steel pipe 11 back, can prevent through centering support 4 that this application device from producing great rocking. The auxiliary steel pipe 11 is welded to the inner wall of the steel pipe column 13 by a fixing bracket 12.
In one embodiment of the invention, the tail end of the data transmission module 7 is connected with a wireless signal transmitter, the signal coverage radius reaches about 2km, remote monitoring can be achieved, and the array type displacement meter and matched software thereof can achieve three-dimensional display of the posture of the steel pipe column.
In one embodiment of the present invention, the origin of the array type displacement meter is set to the center point of the upper end surface of the topmost measurement unit 3. Each timeA horizontal displacement meter is arranged at the center position inside each measuring unit 3, and the measured data is the horizontal displacement relative to the origin, that is, the horizontal displacement deltaX of the nth section measuring unit 3 (actually, the horizontal displacement meter) can be obtained n (or. DELTA.Y) n ) According to the following formula
The verticality of a plurality of positions of the steel pipe column can be obtained (since the lengths of the measuring unit 3 and the rubber pipe 2 are known, the length of the section of the measuring part from the original point to the nth measuring unit 3 can be easily calculated), the steel pipe column posture is adjusted, and the fine adjustment is stopped when the obtained K is less than or equal to 1/1000.
In the specific detection: an array displacement meter is arranged on the inner wall of the steel pipe column 13 to be inserted downwards, the verticality of one section of the length (which is more than one fourth of the length of the steel pipe column) of the steel pipe column 13 is measured, and then the verticality of the whole steel pipe column is calculated. The method is suitable for the overlong and overweight steel pipe column with higher requirement on verticality. An auxiliary steel pipe 11 with the diameter of 5cm and one-side bottom sealing is arranged on the inner wall of the steel pipe column and is connected with the steel pipe column 13 through a fixed support 12. After the tool post 15 is welded in place, the whole array type displacement meter is placed at the bottom of the auxiliary steel pipe 11, the X-mark line on the angle adjusting identification ring 1 is parallel to the main observation direction, and then the cable 6 is connected with the data transmission module 7. And connecting the data receiving module with a computer. And (3) opening the software, reading data transmitted by the array type displacement meter and returning to zero when the total station determines the plane position of the steel pipe column and preliminarily meets the verticality requirement, and starting to insert the steel pipe column 13 downwards. And when the steel pipe column 13 is inserted downwards to the specified buried depth, perpendicularity detection and adjustment are carried out on the steel pipe column 13 according to data calculated by software, and when the precision requirement that K is less than or equal to 1/1000 is met, column body fine adjustment is stopped. After the pile body concrete is solidified, the steel pipe column 13 is stably embedded, the perpendicularity detection is carried out again, and the equipment can be taken out after the accuracy requirement that K is less than or equal to 1/1000 is met. After the verticality measurement of the steel pipe column 13 is completed, the bolt is loosened, the data transmission module 7 is taken down, and then the whole array type displacement meter is taken out from the pipe orifice of the tool column 15 by using the recovery rope 5.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a straightness detection device that hangs down of super long overweight steel-pipe column construction, its characterized in that includes array displacement meter, array displacement meter includes a plurality of measuring unit (3), and adjacent two connect through rubber tube (2) between measuring unit (3), every measuring unit (3) inside center all is equipped with a horizontal displacement meter, array displacement meter's upper end is passed through rubber tube (2) connect angle sign ring (1), array displacement meter passes through cable (6) and connects data transmission module (7), data transmission module (7) are through transmission antenna (8) wireless connection remote terminal.
2. The construction verticality detection device for the overlong and overweight steel pipe column according to claim 1 is characterized in that at least two centering brackets (4) are arranged on each measuring unit (3).
3. The construction verticality detection device for the overlong and overweight steel pipe column according to claim 1 is characterized in that a recovery rope (5) is connected to the end of the angle identification ring (1).
4. The device for detecting the construction verticality of the overlong and overweight steel pipe column according to claim 1, wherein the remote terminal comprises a receiving wire and a data receiving module.
5. A detection method for detecting the construction verticality of an overlong and overweight steel pipe column according to any one of claims 1 to 4 is characterized by comprising the following steps: s1, welding an auxiliary steel pipe (11) on the inner wall of a steel pipe column (13) through a fixing support (12), and arranging a tool column (15) at the upper end of the steel pipe column (13); s2, inserting the array type displacement meter into the auxiliary steel pipe (11), and connecting the data transmission module (7) and the transmission antenna (8) to the inner wall of the tool post (15); and S3, detecting and adjusting the verticality of the steel pipe column (13) through the array type displacement meter, and repeatedly executing the action until the verticality K value of the steel pipe column (13) is adjusted to a specified value.
6. The method for detecting the construction verticality of the overlong and overweight steel pipe column according to claim 5, wherein the top nozzle surface of the auxiliary steel pipe (11), the top nozzle surface of the steel pipe column (13) and the top surface of the measuring unit (3) at the top end of the array type displacement meter are parallel to each other.
7. The method for detecting the construction verticality of the overlong and overweight steel pipe column according to claim 5, wherein the central point of the top end surface of the measuring unit (3) at the top end of the array type displacement meter is taken as the coordinate origin, and then the calculation formula of the verticality K value of each measuring unit (3) is as follows:
Wherein Δ X n For the X-axis horizontal displacement, Δ Y, of the nth section measuring unit n And the Y-axis horizontal displacement of the nth section of measuring unit, wherein L is the length of a measuring piece from the nth section of measuring unit to the coordinate origin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211341596.2A CN115613638A (en) | 2022-10-28 | 2022-10-28 | Device and method for detecting construction verticality of overlong and overweight steel pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211341596.2A CN115613638A (en) | 2022-10-28 | 2022-10-28 | Device and method for detecting construction verticality of overlong and overweight steel pipe column |
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| Publication Number | Publication Date |
|---|---|
| CN115613638A true CN115613638A (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211341596.2A Pending CN115613638A (en) | 2022-10-28 | 2022-10-28 | Device and method for detecting construction verticality of overlong and overweight steel pipe column |
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| Country | Link |
|---|---|
| CN (1) | CN115613638A (en) |
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2022
- 2022-10-28 CN CN202211341596.2A patent/CN115613638A/en active Pending
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