CN216283541U - Quick and accurate measuring device for verticality in mounting of assembled building column - Google Patents
Quick and accurate measuring device for verticality in mounting of assembled building column Download PDFInfo
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- CN216283541U CN216283541U CN202122831534.7U CN202122831534U CN216283541U CN 216283541 U CN216283541 U CN 216283541U CN 202122831534 U CN202122831534 U CN 202122831534U CN 216283541 U CN216283541 U CN 216283541U
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Abstract
The utility model provides a quick and accurate measuring device for the mounting verticality of an assembled building column, which comprises an upper adjustable support and a lower adjustable support, wherein each adjustable support comprises a U-shaped flat steel matched with the column, two ends of each U-shaped flat steel are fixedly connected with a U-shaped ring respectively, and a U-shaped flat steel and a bandage fixed to the column are connected between the two U-shaped rings; the upper and lower adjustable supports are correspondingly arranged on the column up and down; the lower adjustable bracket is positioned at the part of the column close to the ground, a small platform panel is fixed in the middle of the outer side of the U-shaped flat steel, and a laser demarcation device is placed on the panel; the upper adjustable support is positioned at the middle part or the upper part of the column, and a cross square grid calibration target plate matched with the laser demarcation device for use is fixed at the middle part of the outer side of the U-shaped flat steel. The method is simple and convenient to operate, safe and reliable, free of field condition limitation in erection, capable of measuring the verticality and the torsional displacement deviation value of the assembled building column at the same time, rapid in measurement and high in precision.
Description
Technical Field
The utility model belongs to the field of buildings, relates to a verticality measurement control tool during installation of prefabricated steel columns and concrete columns of an assembly type building, and particularly relates to a quick and accurate verticality measurement device for installation of columns of the assembly type building.
Background
With the development of assembly type building construction technology and policy promotion, assembly type buildings for building houses like building blocks give more expectations. The existing verticality measuring method for the installation and construction of the prefabricated concrete column and the steel column mainly takes theodolite and total station measurement and correction as main points, and the number of measuring personnel, the instrument erection position, the number, the measuring efficiency and the measuring result precision can be limited during the measurement and correction. When the assembled steel structure column (box column, H-shaped steel column) is hoisted, the verticality is measured by using a theodolite, and the method has the following defects and shortcomings:
1. the theodolite is set up the position and is limited, can not just carry out the observation of straightness that hangs down to the post under a lot of circumstances, often has certain contained angle, leads to measurement accuracy not enough.
2. When the theodolite is used for high-rise buildings, the upper part of the column cannot be effectively observed due to the difficulty in accurate operation caused by overlarge elevation angle.
3. The theodolite cannot determine the exact value of the perpendicularity deviation in time.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a device for quickly and accurately measuring the installation verticality of an assembled building column.
The technical scheme adopted by the utility model is as follows: a quick and accurate measuring device for the mounting verticality of an assembled building column comprises an upper adjustable support and a lower adjustable support, wherein each adjustable support comprises a U-shaped flat steel matched with the column, two ends of each U-shaped flat steel are fixedly connected with a U-shaped ring respectively, and a U-shaped flat steel and a bandage fixed to the column are connected between the two U-shaped rings; the upper and lower adjustable supports are arranged on the same or different columns and are correspondingly arranged up and down; a small platform panel is fixed in the middle of the outer side of the U-shaped flat steel of the lower adjustable support, and a laser demarcation device is placed on the panel; and a cross square grid calibration target plate matched with the laser demarcation device is fixed in the middle of the outer side of the U-shaped flat steel of the upper adjustable support.
Further, the columns are box-shaped steel columns.
Furthermore, horizontal position adjusting jackscrews are respectively installed on two sides of the U-shaped flat steel.
Furthermore, the lower end of the middle part of the U-shaped flat steel is fixedly connected with a stainless steel square tube stand column, and a levelness adjusting jackscrew is installed on the stainless steel square tube stand column.
Furthermore, the periphery of the cross square grid calibration target plate is fixedly connected with a U-shaped square tube frame matched with the cross square grid calibration target plate, and two ends of the square tube frame are fixedly connected with the U-shaped flat steel.
Furthermore, cross lines are arranged on the cross square grid calibration target plate and the small platform panel; the y-axis in the two cross lines is aligned with the center line of the side surface of the box-shaped steel column and is vertical to the side surface of the box-shaped steel column; and the x-axis in the two cross lines is parallel to the side surface of the box-shaped steel column and is consistent with the distance from the side surface of the box-shaped steel column.
Furthermore, two ends of the bandage are respectively connected with a hook which is connected with a U-shaped ring.
Compared with the prior art, the utility model has the beneficial effects that:
1. compared with the existing construction measuring tool, the utility model has the advantages of simple operation, safety and reliability, no limitation of field conditions in erection, capability of simultaneously measuring the verticality and the torsional displacement deviation value of the fabricated building column, quick measurement, high precision, improvement of the construction efficiency and the installation quality of the column, reduction of the rework amount, reduction of the construction period and the cost of project construction, and good popularization and application prospects.
2. The utility model reliably fixes the two adjustable brackets and the column through the bandage, the U-shaped ring and the U-shaped flat steel, and the installation and the operation are simple, convenient and quick.
3. The levelness of the two adjustable support platforms is adjusted by adjusting the jackscrew according to the horizontal position.
4. According to the utility model, the two adjustable support platforms are adjusted through the stainless steel square tube stand columns, so that the y axis in the cross lines on the two platforms is aligned with the center line of the steel column and is perpendicular to the outer side surface of the steel column, the x axis is parallel to the outer side surface of the steel column and keeps consistent with the distance between the x axis and the steel column surface, and the verticality and the torsional displacement deviation value during the installation of the column can be clearly obtained by comparing the plumb line projected by the laser striping machine with the cross line of the target plate, so that accurate measurement is realized.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a state diagram of the present invention in use;
FIG. 3 is a schematic view of the lower adjustable support;
FIG. 4 is a schematic cross-sectional view of the lower adjustable support A-A of FIG. 3;
FIG. 5 is a schematic view of the upper adjustable support;
FIG. 6 is a schematic cross-sectional view of the upper adjustable support bracket B-B of FIG. 5;
fig. 7 is a schematic view of an adjustable support.
In the figure: 1. a box-shaped steel column; 2. a bandage; a U-shaped ring; 4, U-shaped flat steel; 5. adjusting a jackscrew in a horizontal position; 6. a pillar centerline; 7A, a small platform panel; 7B, a cross square grid calibration target plate; 8. a U-shaped square tube frame; 9. stainless steel square tube columns; 10. adjusting a jackscrew for levelness; 11. a reticle on the small platform; 12. a ground surface; 13. a laser demarcation device; 14. a plumb line emitted by a laser demarcation device; 15. and (7) a floor slab.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings;
as shown in figure 1, the device for quickly and accurately measuring the installation verticality of the fabricated building column comprises an upper adjustable support and a lower adjustable support, wherein each adjustable support comprises a U-shaped flat steel 4 matched with the column, and the column is a box-shaped steel column 1. The two ends of the U-shaped flat steel 4 are respectively and fixedly connected with a U-shaped ring 3, a bandage 2 is arranged between the two U-shaped rings 3, the two ends of the bandage 2 are respectively connected with a hook, and the hooks and the corresponding U-shaped rings 3 are used for fixing the U-shaped flat steel 4 and the column together in a hanging mode. The upper and lower adjustable supports are correspondingly arranged on the column up and down; the U-shaped flat steel 4 of the lower adjustable support is positioned at the position, close to the ground, of the column, a U-shaped square tube frame 8 is fixedly welded in the middle of the outer side of the U-shaped flat steel 4, two ends of the U-shaped square tube frame 8 are fixedly welded with the outer side face of the U-shaped flat steel 4, a small platform panel 7A is fixed in the U-shaped square tube frame 8, and a laser demarcation device 13 is placed on the small platform panel 7A; the upper adjustable support is positioned in the air, specifically positioned in the middle or the upper part of the column, a U-shaped square tube frame 8 is also fixed in the middle of the outer side of the U-shaped flat steel 4 of the upper adjustable support, two ends of the U-shaped square tube frame 8 are welded and fixed with the outer side surface of the U-shaped flat steel 4, a cross square grid calibration target plate 7B matched with the laser demarcation device 13 for use is fixedly connected in the U-shaped square tube frame 8, and the size of the cross square grid calibration target plate 7B is equal to that of the small platform panel 7A; horizontal position adjusting jackscrews 5 and M8 are respectively arranged on two sides of the U-shaped flat steel 4, and the length L of the U-shaped flat steel is 100mm for left-right adjustment and centering; the lower extreme rigid coupling of U-shaped band steel middle part has stainless steel square tube stand 9 to be used for adjusting inside and outside levelness, installs levelness adjustment jackscrew 10 (M8 bolt) on stainless steel square tube stand 9. The cross square grid scale target plate 7B and the small platform panel 7A are both provided with cross lines; the y axes of the two cross lines are aligned with the central line 6 of the side surface of the box-shaped steel column 1 and are vertical to the side surface of the box-shaped steel column; the x-axis in the two cross lines is parallel to the side face of the box-shaped steel column, and the distance between the x-axis and the side face of the box-shaped steel column is kept consistent. Preferably, the small platform panel 7A is made of galvanized iron with the thickness of 0.85, and is welded in the U-shaped square tube frame 8 through argon arc welding, and the U-shaped square tube frame 8 is made of 20 × 20 small square tubes; the cross square grid calibration target plate 7B is made of organic glass or ground glass plates with the thickness of 3mm, coordinate axes in two directions are drawn on the lower surface, a square grid is drawn by utilizing cross lines x and y, the size of the grid is 2mm multiplied by 2mm, and the target can be used as a target, position coordinates of light spots on the target can be directly read out, and the target is used for determining the actual offset value of the column.
Example 1
When the verticality, the torsion correction or the detection of the steel column is carried out, a lower adjustable support is installed and fixed at the part, close to the ground, of the lower part of the first section of the steel column through a bandage 2, a U-shaped flat steel 4 of the lower adjustable support is installed and fixed at the part, close to the ground, of the first section of the steel column 1, and a small platform panel 7A of the lower adjustable support is about 500mm away from the ground and used for placing a laser demarcation device 13. The small platform panel 7A is adjusted through the horizontal position adjusting jackscrew 5, the stainless steel square tube upright post 9 and the levelness adjusting jackscrew 10, so that the y axis in the cross line on the platform is aligned with the central line 6 of the steel column (the ink line popped from the outer side surface of the steel column) and is perpendicular to the outer side surface of the steel column, the other x axis in the cross line on the platform is parallel to the outer side surface of the steel column, the distance between the other x axis and the side surface of the steel column is 200mm, and the distance is kept unchanged.
Then, the U-shaped flat steel 4 of the upper adjustable support is fixedly arranged at the upper part of the second section of the lifted steel column through a bandage 2, and the cross square grid calibration target plate 7B on the upper adjustable support is arranged at the position 500-1000mm below the top end of the steel column and serves as a target point; after the second section of steel column is hoisted in place, the cross square grid scale target plate 7B is adjusted through the horizontal position adjusting jackscrew 5, the stainless steel square tube upright post 9 and the levelness adjusting jackscrew 10 on the upper adjustable support, one y axis in the cross line is aligned with the central line 6 of the steel column (the ink line popped from the outer side surface of the post) and is perpendicular to the outer side surface of the steel column, the other x axis is parallel to the outer side surface of the steel column, the distance between the other x axis and the steel column surface is 200mm, and the distance is kept unchanged.
Then, one laser demarcation device is arranged on the small platform panel 7A of the lower adjustable support, and the laser vertical lines in the x and y axes of the demarcation device are respectively superposed with the cross line on the surface of the small platform panel 7A through adjustment. At the moment, the laser demarcation device is opened, the plumb line 14 emitted by the laser demarcation device is projected to a cross square grid calibration target plate 7B of the overhead upper section column for testing, and when the verticality deviation of the steel column is zero, the cross point of the laser cross line is coincided with the x-axis and y-axis coordinate origin of the target center; when upper portion post straightness deviation of hanging down is not zero, the cross point on the cross square grid scale target plate 7B will deviate from laser cross point, and the direction, the displacement value of deviation will accurately reflect on cross square grid scale target plate, utilize the square grid can directly read out the x of post skew, y coordinate numerical value, can be accurate to 2mm to accurate direction and the coordinate size that reachs the post skew. When the upper column is twisted to zero degree, the y axis on the cross square grid scale target plate is coincided with the y axis projected by the laser. When the post is twisted, an included angle is formed between the y axis on the cross square grid calibration target plate and the y axis projected by the laser, and the degree of the included angle is the angular displacement of the post.
Example 2
The upper adjustable support is installed on the next section of steel column to be hoisted according to the method of embodiment 1, the cross square grid scale target plate 7B is adjusted through the horizontal position adjusting jackscrew 5, the stainless steel square tube upright post 9 and the levelness adjusting jackscrew 10, one y axis in the cross line is aligned with the central line 6 of the steel column (the ink line popped from the outer side surface of the column) and is perpendicular to the outer side surface of the steel column, and the other x axis is parallel to the outer side surface of the steel column and has a distance of 200mm from the steel column surface. The lower adjustable support is arranged at the position, close to the ground, of the first steel section column and is kept unchanged, as shown in fig. 2, after the steel column to be hoisted is in place, the laser demarcation device is opened at the moment, the plumb line 14 emitted by the laser demarcation device is projected onto the cross square grid graduated target plate 7B which is just hoisted in place in the air, the displacement deviation value between the laser beam and the scales on the target plate is observed, the detection is carried out, the steps are repeated, the complete set of actions of hoisting, measuring and the like of the next steel section column are carried out, and the verticality of the installation of the building column is determined.
Example 3
When the detected height exceeds the range projected by the laser demarcation device, the lower adjustable support is fixedly installed on the top of the steel column which is just installed, the small platform panel 7A is adjusted according to the method of the embodiment 1, the y axis in the cross line on the platform is aligned with the central line 6 of the steel column and is perpendicular to the outer side surface of the steel column, the x axis in the cross line on the platform is parallel to the outer side surface of the steel column, and the distance between the x axis and the side surface of the steel column is kept unchanged at 200 mm. An adjustable support is installed at the top of the upper section steel column to be hoisted according to the method of the embodiment 1, and the cross line of the calibration target plate 7B (target) of the cross square grid is adjusted and aligned. Then, after the upper section column is lifted to be in place, the laser demarcation device is opened to project the cross laser beam onto the target, and whether the cross laser beam is in a superposition state with the cross center line of the target or not is checked; if the measurement result is in the overlapped state, the measurement result is vertical; if the cross laser beams do not coincide with the cross center line of the target, the deviation of the cross laser beam from the cross center line of the target is generated, and the perpendicularity deviation value generated in the longitudinal direction and the transverse direction when the upper section column is installed is obtained only by checking the scale values of the cross laser beam center line deviating from the cross center line of the target in the longitudinal direction and the transverse direction; if the cross laser beam is not parallel to the cross center line of the target in the longitudinal and transverse directions to generate a rotation angle, the torsion displacement deformation between the upper section column and the lower section column during the installation of the upper section column is obtained; finally, the perpendicularity and the torsion deviation value of column installation and the inclination and torsion directions can be rapidly and accurately measured by observing the projection result of the cross laser beam on the cross scale target, so that a correction measure can be made according to the deviation result.
Claims (7)
1. The utility model provides a quick accurate measuring device of straightness that hangs down of assembled building post installation which characterized in that: the adjustable support comprises an upper adjustable support and a lower adjustable support, each adjustable support comprises a U-shaped flat steel (4) matched with a column, two ends of each U-shaped flat steel (4) are fixedly connected with a U-shaped ring (3) respectively, and a U-shaped flat steel (4) and a bandage (2) fixed to the column are connected between the two U-shaped rings (3); the upper and lower adjustable supports are arranged on the same or different columns and are correspondingly arranged up and down; a small platform panel (7A) is fixed in the middle of the outer side of the U-shaped flat steel (4) of the lower adjustable support, and a laser demarcation device (13) is placed on the panel; the middle part of the outer side of the U-shaped flat steel (4) of the upper adjustable support is fixed with a cross square grid calibration target plate (7B) which is matched with the laser demarcation device (13).
2. The device for rapidly and accurately measuring the installation verticality of the fabricated building column according to claim 1, is characterized in that: the column is a box-shaped steel column (1).
3. The device for rapidly and accurately measuring the installation verticality of the fabricated building columns according to claim 1 or 2, is characterized in that: horizontal position adjusting jackscrews (5) are respectively arranged on two sides of the U-shaped flat steel (4).
4. The device of claim 3 for rapidly and accurately measuring the installation verticality of the fabricated building column, wherein the device comprises: the lower end of the middle part of the U-shaped flat steel (4) is fixedly connected with a stainless steel square tube upright post (9), and a levelness adjusting jackscrew (10) is installed on the stainless steel square tube upright post (9).
5. The device for rapidly and accurately measuring the installation verticality of the fabricated building columns according to claim 1, 2 or 4, is characterized in that: the periphery of the cross square grid calibration target plate (7B) is fixedly connected with a U-shaped square tube frame (8) matched with the cross square grid calibration target plate, and two ends of the square tube frame are fixedly connected with the U-shaped flat steel (4).
6. The device of claim 5 for rapidly and accurately measuring the installation verticality of the fabricated building column, wherein the device comprises: the cross square grid scale target plate (7B) and the small platform panel (7A) are both provided with cross lines; the y-axis in the two cross lines is aligned with the central line (6) of the side surface of the box-shaped steel column (1) and is vertical to the side surface of the box-shaped steel column; and the x-axis in the two cross lines is parallel to the side surface of the box-shaped steel column and is consistent with the distance from the side surface of the box-shaped steel column.
7. The device of claim 6 for rapidly and accurately measuring the installation verticality of the fabricated building column, wherein the device comprises: the two ends of the bandage (2) are respectively connected with a hook which is connected with the U-shaped ring (3).
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| CN202122831534.7U CN216283541U (en) | 2021-11-18 | 2021-11-18 | Quick and accurate measuring device for verticality in mounting of assembled building column |
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| CN202122831534.7U CN216283541U (en) | 2021-11-18 | 2021-11-18 | Quick and accurate measuring device for verticality in mounting of assembled building column |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876214A (en) * | 2022-06-15 | 2022-08-09 | 中国十九冶集团有限公司 | High-precision steel structure upright post installation precision control device |
| CN114894098A (en) * | 2022-04-20 | 2022-08-12 | 国网吉林省电力有限公司长春供电公司 | Visual method for torsion measurement of multilayer structure |
| CN115961622A (en) * | 2023-03-16 | 2023-04-14 | 中铁十七局集团建筑工程有限公司 | Pile foundation steel column positioning and verticality adjusting device and construction method thereof |
-
2021
- 2021-11-18 CN CN202122831534.7U patent/CN216283541U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894098A (en) * | 2022-04-20 | 2022-08-12 | 国网吉林省电力有限公司长春供电公司 | Visual method for torsion measurement of multilayer structure |
| CN114876214A (en) * | 2022-06-15 | 2022-08-09 | 中国十九冶集团有限公司 | High-precision steel structure upright post installation precision control device |
| CN115961622A (en) * | 2023-03-16 | 2023-04-14 | 中铁十七局集团建筑工程有限公司 | Pile foundation steel column positioning and verticality adjusting device and construction method thereof |
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