CN113607190A - Building construction horizontal component size measurement and verification method - Google Patents
Building construction horizontal component size measurement and verification method Download PDFInfo
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- CN113607190A CN113607190A CN202110927164.9A CN202110927164A CN113607190A CN 113607190 A CN113607190 A CN 113607190A CN 202110927164 A CN202110927164 A CN 202110927164A CN 113607190 A CN113607190 A CN 113607190A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000009435 building construction Methods 0.000 title claims abstract description 20
- 238000005259 measurement Methods 0.000 title claims description 19
- 238000012795 verification Methods 0.000 title claims description 11
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 239000003550 marker Substances 0.000 claims description 33
- 239000002657 fibrous material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005457 optimization Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 3
- 238000009415 formwork Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
- G01C1/02—Theodolites
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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
Abstract
The invention discloses a method for measuring and checking the size of a horizontal component in building construction, which comprises the following steps: s1, determining the position of the indoor component on the bottom surface through the theodolite and calibrating; s2, checking the flatness of the bottom surface through a laser swinger; s3, pre-installing the upright column template, and verifying the verticality of the upright column template through a theodolite, an ink fountain and a wooden ruler; and S4, verifying the levelness of the beam template through the detection device. According to the invention, the theodolite, the bottom layer, the first pay-off port and the second pay-off port are matched with each other, the wall center line, the upright post template and the beam template upper port size and the surrounding squareness of the building are determined and calibrated, the error value is reduced, the building construction precision is higher, the theodolite and the wooden ruler are used for calibrating the upright post template, the construction error is reduced, and the building is effectively protected while the rework risk is avoided.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a method for measuring and checking the size of a horizontal component in building construction.
Background
The building construction horizontal component mainly refers to a beam slab in a concrete structure, and the dimension measurement and calibration method is mainly used for calibration in the structure construction stage. In the construction stage of the structure, after the horizontal member templates are erected, sixty cm check lines of the height of the horizontal member templates are marked and measured on wall column reinforcing steel bars at two ends of the upper opening of each horizontal member template, the small white lines are drawn to be connected into a whole, the flatness and the elevation of the horizontal template are checked by measuring the distance between each check line and the corresponding horizontal member template, and the sixty cm check lines are also used for checking the concrete pouring elevation during concrete pouring of the horizontal member.
According to the traditional measurement and calibration method for the horizontal component in building construction, due to the fact that the number of detected points is too few and the horizontal and vertical measurement of the opposite column template and the beam template is lacked, the flatness and verticality errors of the constructed component are large, the acceptance standard cannot be met, potential safety hazards exist in the building, if the construction is carried out afterwards, chiseling and repairing are carried out, the thickness of a steel bar protection layer is influenced, the stress form can also damage the quality of the project, and the cost is high.
Disclosure of Invention
The invention aims to provide a method for measuring and checking the dimension of a horizontal member in building construction,
the technical scheme adopted by the invention is as follows:
a method for measuring and checking the size of a horizontal component in building construction comprises the following steps:
s1, determining the position of the indoor component on the bottom surface through the theodolite and calibrating;
s2, checking the flatness of the bottom surface through a laser swinger;
s3, pre-installing the upright column template, and verifying the verticality of the upright column template through a theodolite, an ink fountain and a wooden ruler;
and S4, verifying the levelness of the beam template through the detection device.
As a further optimization, in step S1 of the present invention, the process of determining and calibrating the position of the indoor unit on the bottom surface includes:
placing a theodolite on a first line-preventing opening on the bottom surface, releasing the center line of the wall body by using the theodolite, marking the positions of the upright column template and the beam template according to a design drawing, checking the positions of the detected center line of the wall body, the upright column template and the beam template by arranging a second line-releasing opening on the floor surface, and simultaneously determining the sizes of the upper openings of the wall surface center line, the upright column template and the beam template and the peripheral squareness of the building;
as a further optimization, in step S2, the process of verifying the flatness of the bottom surface includes:
the method comprises the steps of preventing a laser swinger from being arranged on the bottom surface, enabling the laser swinger to release a horizontal datum line, setting a measuring area, selecting intersection points of four corner points and diagonals as measuring points in the range of twenty-five centimeters to thirty-five centimeters in the measuring area, placing a tower ruler on the selected measuring points, and reading the vertical distance between the tower ruler and the horizontal datum line to the bottom surface.
As a further optimization, in step S3 of the present invention, the process of verifying the perpendicularity of the pillar template includes:
determining central points at the upper end and the lower end of the upright post template respectively, popping up central lines on the upright post template by using an ink fountain to connect the central points at the upper end and the lower end of the upright post template, then connecting the lower ends of the central lines of the two upright post templates to obtain a central line connecting line, making a parallel line of the central line connecting line, and aligning the distance between the parallel line and the central line connecting line as a set distance, placing a theodolite at one end of the parallel line, and illuminating the other end of the parallel line, arranging a wooden ruler on the upright post template on the opposite angle of the theodolite, aligning the zero line of the wooden ruler with the central line of the upright post template, enabling the wooden ruler to face the direction of the parallel line, looking up the wooden ruler through the theodolite, if the cross wire of the theodolite is just aligned with the length of the set distance, proving that the upright post template is in a vertical state, otherwise, adjusting and moving the upright post template, the cross-hair of the theodolite is aligned for a set distance length.
As a further optimization, in step S4 of the present invention, the detection device includes a mounting frame, a laser range finder, and a contact detection assembly, the mounting frame is fixedly disposed on the column template, an electric telescopic rod and at least one guiding telescopic rod are disposed between the contact detection assembly and the mounting frame, the electric telescopic rod and the guiding telescopic rod are disposed in parallel, a cylinder base of the electric telescopic rod is fixedly disposed on the mounting frame, the contact detection assembly includes an equipment box, a marker pen and a stress sensor disposed in the equipment box, a piston rod of the electric telescopic rod is fixedly connected to the equipment box, the laser range finder is disposed at an upper end of the equipment box, the marker pen is slidably disposed on a sidewall of the equipment box, a tail end of the marker pen is located in the equipment box, a head end of the marker pen extends to an outer side of the equipment box, and a guiding rod is fixedly disposed in the equipment box, the utility model discloses a marker pen, including guide bar, marker pen, intermediate junction board, telescopic link, stress sensor, guide bar and equipment box, the guide bar sets up with marker pen looks parallel to each other, the marker pen slides through intermediate junction board and sets up on the guide bar, marker pen and intermediate junction board fixed connection, and intermediate junction board slides and cup joints on the guide bar, stress sensor sets up on the inside wall of equipment box parallel to each other with the marker pen, and is provided with the telescopic link between stress sensor and the inner wall arm of equipment box, and is provided with first spring in the telescopic link, be provided with the second spring between intermediate junction board and the equipment box, the second spring cup joints on the guide bar, in-process that intermediate junction board removed along with the guide bar, there is the state that triggers stress sensor in the tip of intermediate junction board, and when intermediate junction board triggered stress sensor, the second spring is in balanced state.
As a further optimization, the process of performing levelness verification on the beam template by using the detection device comprises the following steps:
s401, fixedly mounting a mounting frame on one upright post template, ensuring the verticality and the levelness of the mounting frame through the upright post template, and enabling the telescopic rod to face the direction of the other upright post template;
s402, contacting the end part of the marking pen with the beam template, wherein the marking pen is just in contact with the stress sensor through the middle connecting plate, and recording that the horizontal distance between the laser range finder and the pen point of the marking pen is M1;
s403, the equipment box is pushed to move through the electric telescopic rod, and when the marker pen is separated from the stress sensor, the laser range finder starts to measure the distance between the marker pen and the beam template and records the distance as M2;
and S404, calculating an error value M3 which is M1-M2, and adjusting the beam template through the error value.
As a further optimization, the stress sensor is provided with a hemispherical protection head, and the end part of the middle connecting rod is of a circular arc structure.
As a further optimization, the pen point of the marking pen adopts a polyester fiber material.
The invention has the following advantages:
1. according to the invention, the theodolite, the bottom layer, the first pay-off port and the second pay-off port are matched with each other, the wall central line, the upright post template and the beam template upper port size and the surrounding squareness of the building are determined and calibrated, the error value is reduced, the building construction precision is higher, the theodolite and the wooden ruler are used for calibrating the upright post template, the construction error is reduced, and the building is effectively protected while the rework risk is avoided;
2. the beam template is carried out through the detection device, during initial setting, the marking pen is adjusted to be abutted against the beam template and just in contact with the stress sensor, and the stress sensor is arranged at the side end of the marking pen, so that the marking pen can be separated from the stress sensor no matter the marking pen slides inwards or outwards, namely, the beam template can not be inclined inwards or outwards, and detection results can be detected and obtained in time.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced 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 based on these drawings without creative efforts.
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the calibration of the position of the indoor component of the present invention;
FIG. 2 is a schematic view of the alignment of a column template;
FIG. 3 is a schematic view of the alignment of the beam template;
FIG. 4 is a schematic diagram of a marker pen setup.
Wherein: 1. the device comprises a bottom surface, 2, a first line-preventing opening, 3, a second line-preventing opening, 4, a wall central line, 5, a column formwork, 6, a beam formwork, 7, a measuring point, 8, an equipment box, 9, a laser range finder, 10, a marking pen, 11, a stress sensing assembly, 12, a theodolite, 13, a wooden ruler, 14, an installation frame, 15, an electric telescopic rod, 801, a guide telescopic rod, 802, a guide rod, 803, an installation groove, 804, a second spring, 1001, a middle connecting plate, 1101, a first spring, 1102, a stress sensor, 1103 and a protection head.
Detailed Description
The present invention is further described in the following with reference to the drawings and the specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention, and the embodiments and the technical features of the embodiments can be combined with each other without conflict.
It is to be understood that the terms first, second, and the like in the description of the embodiments of the invention are used for distinguishing between the descriptions and not necessarily for describing a sequential or chronological order. The "plurality" in the embodiment of the present invention means two or more.
The term "and/or" in the embodiment of the present invention is only an association relationship describing an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, B exists alone, and A and B exist at the same time. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
The embodiment provides a method for measuring and checking the size of a horizontal component in building construction, which comprises the following steps:
s1, determining the position of the indoor component on the bottom surface 1 and calibrating;
specifically, as shown in fig. 1, a theodolite 12 is placed on a first line-defense opening 2 of a bottom surface 1, the bottom surface 1 is a supporting base surface of a building or a floor supporting surface of each floor, a wall center line 4 is released by using the theodolite 12, the wall center line is a center line of the wall thickness, a dotted line contour surrounded by the wall center line 4 in fig. 1 is a contour surrounded by all walls, positions of a column template 5 and a beam template 6 are marked according to a design drawing, the measured positions of the wall center line 4, the column template 5 and the beam template 6 are verified by arranging a second line-release opening 3 on the floor surface, and the sizes of upper openings of the wall center line 4, the column template 5 and the beam template 6 and the peripheral squareness of the building are determined at the same time;
s2, checking the flatness of the bottom surface through a laser swinger;
specifically, as shown in fig. 1, a laser swinger is prevented on a bottom surface 1, a horizontal reference line is released by the laser swinger, a measurement area is established, intersection points of four corner points and diagonal lines are selected as measurement points 7 in the range of twenty-five centimeters to thirty-five centimeters in the measurement area, a tower ruler is placed on the selected measurement points 7, the vertical distance between the tower ruler and the horizontal reference line to the bottom surface is read, and a model is made on an upright column according to the design requirements of a drawing;
s3, pre-installing the upright post template 5, and verifying the verticality of the upright post template 5 through a theodolite, an ink fountain and a wooden ruler;
specifically, as shown in fig. 2, center points are respectively determined at the upper end and the lower end of the column template 5, the center points at the upper end and the lower end of the column template 5 are connected by an ink fountain to pop up center lines on the column template, then the lower ends of the center lines of the two column templates 5 are connected to obtain a center line connecting line, an extension line of the center line connecting line passes through the point a and the point B, a parallel line segment A1B1 from the line segment AB is made by taking the line segment AB as a reference, a distance between the line segment A1B1 and the line segment AB is two meters, the theodolite 12 is placed on a point B1 and faces a point A1, the ruler 13 is placed on the column template 5 on the opposite angle of the theodolite 12, the zero line of the ruler 13 is aligned with the center line of the column template 5, the ruler 13 faces a direction of 1, the ruler 13 is looked up at the ruler 13 by the theodolite 12, if the cross wire of the theodolite 12 is exactly aligned with the length of two meters on the ruler 13, the upright post template 5 is proved to be in a vertical state, otherwise, the movable upright post template 5 needs to be adjusted, and the cross wire of the theodolite 12 is aligned to the length of one meter and two on the wooden ruler 13;
s4, verifying the levelness of the beam template through a detection device;
specifically, the detection device comprises a mounting frame 14, a laser range finder 9 and a contact detection assembly, wherein the mounting frame 14 is fixedly arranged on the column template 5, an electric telescopic rod 7 and at least one guide telescopic rod 801 are arranged between the contact detection assembly and the mounting frame 14, the electric telescopic rod 7 and the guide telescopic rod 801 are arranged in parallel, a cylinder seat of the electric telescopic rod 7 is fixedly arranged on the mounting frame 14, the contact detection assembly comprises an equipment box 8, a marker pen 10 and a stress sensing assembly 11 which are arranged in the equipment box 8, a piston rod of the electric telescopic rod 7 is fixedly connected to the equipment box 8, the laser range finder 9 is arranged at the upper end of the equipment box 8, the marker pen 10 is arranged on the side wall of the equipment box 8 in a sliding manner, the tail end of the marker pen 10 is arranged in the equipment box, the head end of the marker pen 10 extends out of the equipment box 8, and the pen point of the marker pen 10 is made of polyester fiber material, the material has high water absorption and high strength, so that the pen point of the marking pen 10 cannot be damaged when sliding on the surface of the beam template 6, the pen point is not easy to deform, and the measurement accuracy is improved. The equipment box 8 is internally and fixedly provided with a guide rod 802, the guide rod 802 is arranged in parallel with the marker pen 10, the marker pen 10 is arranged on the guide rod 802 in a sliding manner through an intermediate connecting plate 1001, the marker pen 10 is fixedly connected with the intermediate connecting plate 1001, the intermediate connecting plate 1001 is sleeved on the guide rod 802 in a sliding manner, the stress sensing assembly 11 comprises a stress sensor 1102, a telescopic rod and a protective head 1103 arranged on the stress sensor 1102, the stress sensing assembly 1102 is arranged in a mounting groove of the equipment 8 through the telescopic rod, a first spring 1101 is arranged in the telescopic rod, the first spring 1101 enables the stress sensor 1102 to have certain flexibility and avoids rigid extrusion, the protective head 1003 covers the stress sensor 1102, the protective head 1103 is of a semicircular structure, a second spring 804 is arranged between the intermediate connecting rod 1001 and the equipment box 8, and the second spring 804 is sleeved on the guide rod 802, the end of the middle connecting rod 1001 is of an arc-shaped structure, when the middle connecting plate 1001 moves along with the guide rod 802, the end of the middle connecting plate 1001 has a state of triggering the stress sensor 1102, namely a state of contacting with the protection head 1103, and when the middle connecting plate triggers the stress sensor 1102, the second spring 804 is in a balanced state;
the above-mentioned process of carrying out the levelness check to the crossbeam template through detection device specifically includes:
s401, fixedly mounting the mounting rack 14 on one upright column template 5, ensuring the verticality and the levelness of the mounting rack 14 through the upright column template 5, and enabling the electric telescopic rod 7 to face to the other upright column template 5;
s402, enabling the end part of the marking pen 10 to be in contact with the beam template 6 through adjustment of the mounting frame, enabling the marking pen to be just in contact with the stress sensor 1102 through the middle connecting plate 1001 at the moment, and recording that the horizontal distance between the laser range finder 9 and the pen point of the marking pen 10 is M1 at the moment;
s403, the equipment box 8 is pushed to move through the electric telescopic rod 7, and when the marker pen 10 is separated from the stress sensor 1102, the laser range finder 9 starts to measure the distance between the laser range finder and the beam template 6 and records the distance as M2;
s404, calculating an error value M3 being M1-M2, and adjusting the beam template 6 by the error value, that is, in the initial measurement process, not only the levelness of the beam template can be adjusted by the distribution rule of the error value, but also the concave-convex condition of the beam template panel can be detected.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. A building construction horizontal component size measurement and verification method is characterized by comprising the following steps: the method comprises the following steps:
s1, determining the position of the indoor component on the bottom surface through the theodolite and calibrating;
s2, checking the flatness of the bottom surface through a laser swinger;
s3, pre-installing the upright column template, and verifying the verticality of the upright column template through a theodolite, an ink fountain and a wooden ruler;
and S4, verifying the levelness of the beam template through the detection device.
2. The building construction horizontal member dimension measurement verification method according to claim 1, characterized in that: in step S1, the process of determining and calibrating the position of the indoor unit on the floor surface includes:
the theodolite is placed on the first line-preventing opening in the bottom surface, the wall central line is emitted by the theodolite, the positions of the stand column template and the beam template are marked according to a design drawing, the positions of the measured wall central line, the stand column template and the beam template are verified by arranging the second line-emitting opening on the floor surface, and the sizes of the upper openings of the wall central line, the stand column template and the beam template and the peripheral squareness of the building are determined simultaneously.
3. The building construction horizontal member dimension measurement verification method according to claim 1, characterized in that: in step S2, the process of verifying the flatness of the bottom surface includes:
the method comprises the steps of preventing a laser swinger from being arranged on the bottom surface, enabling the laser swinger to release a horizontal datum line, setting a measuring area, selecting intersection points of four corner points and diagonals as measuring points in the range of twenty-five centimeters to thirty-five centimeters in the measuring area, placing a tower ruler on the selected measuring points, and reading the vertical distance between the tower ruler and the horizontal datum line to the bottom surface.
4. The building construction horizontal member dimension measurement verification method according to claim 1, characterized in that: in step S3, the process of verifying the perpendicularity of the pillar template includes:
determining central points at the upper end and the lower end of the upright post template respectively, popping up central lines on the upright post template by using an ink fountain to connect the central points at the upper end and the lower end of the upright post template, then connecting the lower ends of the central lines of the two upright post templates to obtain a central line connecting line, making a parallel line of the central line connecting line, and aligning the distance between the parallel line and the central line connecting line as a set distance, placing a theodolite at one end of the parallel line, and illuminating the other end of the parallel line, arranging a wooden ruler on the upright post template on the opposite angle of the theodolite, aligning the zero line of the wooden ruler with the central line of the upright post template, enabling the wooden ruler to face the direction of the parallel line, looking up the wooden ruler through the theodolite, if the cross wire of the theodolite is just aligned with the length of the set distance, proving that the upright post template is in a vertical state, otherwise, adjusting and moving the upright post template, the cross-hair of the theodolite is aligned for a set distance length.
5. The building construction horizontal member dimension measurement verification method according to claim 1, characterized in that: in step S4, the detection device comprises a mounting rack, a laser range finder and a contact detection component, the mounting rack is fixedly arranged on the upright template, an electric telescopic rod and at least one guide telescopic rod are arranged between the contact detection component and the mounting rack, the electric telescopic rod and the guide telescopic rod are arranged in parallel, a cylinder seat of the electric telescopic rod is fixedly arranged on the mounting rack, the contact detection component comprises an equipment box, a marker pen and a stress sensor, the marker pen and the stress sensor are arranged in the equipment box, a piston rod of the electric telescopic rod is fixedly connected to the equipment box, the laser range finder is arranged at the upper end of the equipment box, the marker pen is arranged on the side wall of the equipment box in a sliding manner, the tail end of the marker pen is positioned in the equipment box, the head end of the marker pen extends out of the equipment box, a guide rod is fixedly arranged in the equipment box, and the guide rod is arranged in parallel with the marker pen, the marker pen slides through intermediate junction board and sets up on the guide bar, marker pen and intermediate junction board fixed connection, and intermediate junction board slides and cup joints on the guide bar, the stress sensor sets up on the inside wall that is parallel to each other with the marker pen of equipment box, and is provided with the telescopic link between the inner wall arm of stress sensor and equipment box, and is provided with first spring in the telescopic link, be provided with the second spring between intermediate junction board and the equipment box, the second spring cup joints on the guide bar, in-process that intermediate junction board removed along with the guide bar, the tip of intermediate junction board has the state that triggers the stress sensor, and when intermediate junction board triggered the stress sensor, the second spring was in balanced state.
6. The building construction horizontal member dimension measurement verification method according to claim 5, characterized in that: the process of levelness verification of the beam template through the detection device comprises the following steps:
s401, fixedly mounting a mounting frame on one upright post template, ensuring the verticality and the levelness of the mounting frame through the upright post template, and enabling the telescopic rod to face the direction of the other upright post template;
s402, contacting the end part of the marking pen with the beam template, wherein the marking pen is just in contact with the stress sensor through the middle connecting plate, and recording that the horizontal distance between the laser range finder and the pen point of the marking pen is M1;
s403, the equipment box is pushed to move through the electric telescopic rod, and when the marker pen is separated from the stress sensor, the laser range finder starts to measure the distance between the marker pen and the beam template and records the distance as M2;
and S404, calculating an error value M3 which is M1-M2, and adjusting the beam template through the error value.
7. The building construction horizontal member dimension measurement verification method according to claim 5, characterized in that: a hemispherical protection head is arranged on the stress sensor, and the end part of the middle connecting rod is of a circular arc structure.
8. The building construction horizontal member dimension measurement inspection method according to claim 5, characterized in that: the pen point of the marking pen is made of polyester fiber materials.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509047A (en) * | 2022-01-24 | 2022-05-17 | 张大艳 | Intelligent detection verticality device for aluminum alloy template machining |
| CN115367996A (en) * | 2022-07-28 | 2022-11-22 | 陕西彩虹工业智能科技有限公司 | Production equipment for manufacturing hot end of flexible glass and installation construction paying-off method |
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