Steel column perpendicularity control device and method

Abstract

The invention discloses a steel column perpendicularity control device and method, and relates to the field of steel column perpendicularity control, the steel column perpendicularity control device comprises a plurality of traction devices installed on a steel column, one end of each traction device is connected with the top end of the steel column, and the other end of each traction device is fixedly connected with a fixing piece; the perpendicularity detection device is installed on the steel column, the control center is in signal connection with the perpendicularity detection device and the traction device, and the perpendicularity detection device comprises a laser emitting assembly installed at the bottom end of the steel column and a target assembly installed on the steel column. The laser emitting assembly is used for emitting laser vertically upwards, and the target assembly is used for moving on the steel column and receiving the laser emitted by the laser emitting assembly; the problems that in the prior art, perpendicularity of a steel column is difficult to adjust, the adjusting precision is low, measuring equipment is difficult to install and collect, and the perpendicularity of the steel column is easily interfered when the device is collected are solved.

Description

Technical Field

[0001] The invention relates to the field of steel column verticality control, and in particular to a steel column verticality control device and method. Background Art

[0002] In the construction industry, heavy steel columns are often installed. Due to their heavy weight, installation is difficult and dangerous, and the installation accuracy is difficult to control. Therefore, in the prior art, a crane is usually used to lift the steel column off the ground, move it above the pre-installed position, and then slowly drop it. After it is installed in place, it is checked with equipment such as a square and a theodolite, and the verticality of the steel column is adjusted. Then, the mounting bolts are tightened with a wrench. Three people are required to operate the adjustment, one of whom moves the steel column, one assists in stabilizing it, and the other performs inspection. The operation is cumbersome and the verticality adjustment accuracy is not high.

[0003] In order to reduce the danger, the prior art uses a hoist to pull the verticality of the steel column remotely. However, the hoist has low adjustment accuracy, and the steel column is high, so the device installed at the top is difficult to install and retrieve, which is very dangerous. At the same time, when the verticality adjustment is completed and the device needs to be retrieved, it is easy to interfere with the steel column, causing the verticality of the steel column to decrease. Summary of the invention

[0004] The present invention provides a steel column verticality control device and method to solve the problems in the prior art of difficulty in adjusting the verticality of steel columns, low adjustment accuracy, difficulty in installing and collecting measuring equipment, and easy interference with the verticality of steel columns when collecting the device.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] A steel column verticality control device comprises a plurality of traction devices installed on the steel column, wherein one end of the traction devices are connected to the top of the steel column, and the other end is fixedly connected to a fixing member. The device also comprises a verticality detection device installed on the steel column, and a control center connected to the verticality detection device and the traction device by signal. The verticality detection device comprises a laser emitting assembly installed on the bottom end of the steel column and a target assembly installed on the steel column. The laser emitting assembly is used to emit laser vertically upward, and the target assembly is used to move on the steel column and receive the laser emitted by the laser emitting assembly.

[0007] The present invention emits a laser beam vertically upward through a laser emitting assembly, so that a target assembly installed on a steel column receives the beam, adjusts the verticality of the steel column, and confirms the verticality of the steel column by irradiating the laser to the bull's eye of the target assembly. The operation is simple, and the verticality of the steel column can be remotely monitored to see if it meets the standard. The traction device can be remotely controlled to adjust the verticality of the steel column to meet the standard, and the verticality can be adjusted away from the steel column. The safety is higher, and the device can be automatically controlled, so the accuracy is improved and the manpower consumption is reduced. In the process of installing the verticality control device, it is only necessary to install the laser emitting assembly close to the steel column and to sleeve the target assembly on the steel column, and the staff can stay away from the device. The target assembly can climb up on the steel column by itself, and there is no need to install it at a high altitude on the top of the steel column. After the steel column is installed, the target assembly can also descend by itself, which reduces the difficulty of dismantling the device and improves the safety. In addition, there is no need to install and collect the verticality control device on the top of the installed steel column, so as to reduce the interference with the installed steel column and prevent the verticality from decreasing.

[0008] Furthermore, the target assembly includes an annular mounting frame, a plurality of telescopic assemblies mounted on the mounting frame, and a roller assembly mounted at the end of the telescopic assembly, the roller assembly is mounted in contact with the side wall of the steel column, and the telescopic assembly is evenly installed along the annular mounting frame.

[0009] The target assembly is installed by sleeve- ing the annular mounting frame on the steel column, and the roller assembly is pushed by the telescopic assembly to make it fit the surface of the steel column, thereby increasing the friction force and facilitating the roller assembly to drive the target assembly to move up and down on the surface of the steel column.

[0010] Furthermore, the roller assembly includes a shell connected to the end of the telescopic assembly, a rotating shaft rotatably connected to the two opposite side walls of the shell, and a roller installed on the rotating shaft. The top plate of the shell is open, the rotating shaft is installed on the side wall adjacent to the top plate, and a thrust elastic member is installed on the bottom plate opposite to the top plate, and the end of the rotating shaft away from the side wall is installed on the thrust elastic member.

[0011] Since the steel column has square, cylindrical and other structures, the contact area between the roller assembly and the surface of the steel column is different. In order to increase the contact area between the roller assembly and the surface of the steel column, two groups of rollers are used to contact the surface of the steel column. When installed on a square steel column, the two groups of rollers fit normally to increase the contact area. When installed on a cylindrical steel column, due to its curved surface, the contact area between the rollers and it is reduced. Therefore, by setting the rotating axes of the two groups of rollers as rotatable structures and adding thrust elastic parts to buffer them, when the two groups of rollers are close to the cylindrical steel column, the two groups of rollers push the thrust elastic parts to compress, so that the ends of the two groups of rollers that are close to each other are concave downward, forming an angle to wrap and fit the cylindrical steel column, thereby increasing the contact area. The restoring force of the thrust elastic part presses the rollers against the surface of the steel column, thereby increasing the friction of the contact surface and reducing the chance of the roller assembly slipping.

[0012] Furthermore, the target assembly also includes an annular fixing frame installed on the outside of the annular mounting frame and coaxial with the annular mounting frame, and a target plate installed on the side wall of the annular fixing frame, the target plate is perpendicular to the axis of the annular fixing frame, and a target ring and a bull's eye are provided on the target plate, and a plurality of laser receivers are provided on the target ring and the bull's eye.

[0013] Since the target assembly is installed on the steel column and is limited by multiple sets of evenly installed telescopic assemblies, the axis of the steel column is collinear with the axis of the annular mounting frame. Therefore, the target plate is also perpendicular to the axis of the steel column. When the laser emitted by the laser emitting assembly installed near the bottom of the steel column is irradiated onto the target plate and received by several laser receivers thereon, the position difference between the position where the laser irradiates the target plate and the center of the target can be obtained. By adjusting the length of the traction device through the control center and moving the laser beam toward the center of the target, the verticality of the steel column can be adjusted.

[0014] Furthermore, the target assembly also includes a plurality of support assemblies mounted on the lower end of the annular fixing frame, and the support assemblies are arranged in a mirror image with each other. The target assembly is fixed on the steel column by the support assemblies to prevent it from sliding down, thereby reducing the load of the roller drive motor.

[0015] Furthermore, the support assembly includes a support rod and a telescopic rod, the upper end of the support rod is rotatably connected to the lower end of the annular fixing frame, the lower end of the support rod is provided with an anti-slip part, the upper end of the telescopic rod is rotatably connected to the lower end of the annular mounting frame, and the lower end of the telescopic rod is rotatably connected to the support rod.

[0016] By shortening the telescopic rod, the lower ends of the support rods of multiple groups of support assemblies are brought close together, and anti-slip parts are used to stick to the surface of the steel column. Multiple upward forces along the support rods are used to jointly support the target assembly to improve its stability.

[0017] Furthermore, the annular mounting frame and the annular fixing frame each include two parts connected by a bearing, and fasteners for splicing and fixing are provided at the openings away from the bearing, so as to facilitate the installation and collection of the target assembly.

[0018] Furthermore, the laser emitting assembly includes a bracket and a laser emitter mounted on the bracket, the bracket is provided with a cantilever, a traction rope and a support plate are mounted at the end of the cantilever, the end of the traction rope is connected to the middle part of the support plate, the laser emitter and the counterweight are mounted on the support plate, and the laser emitter and the counterweight are of equal weight and are symmetrically mounted on both sides of the traction rope.

[0019] Since steel columns can be used as supporting parts of buildings, in order to enhance their structural rigidity and supporting force, there is a method in the prior art to make steel columns into cone barrel structures, that is, the diameter of the steel column decreases from the lower end to the upper end. Such steel columns are not flat in the vertical direction, and ordinary verticality measurement methods (square, theodolite, etc.) are not applicable. Therefore, by hanging and installing the laser transmitter, the laser transmitter itself is used to keep it in the vertical direction, and the emitted laser is in the vertical direction, which is convenient for determining the standard verticality; on the target assembly, the positions of the annular fixing frame and the target plate are fixed, so the distance between the axis of the annular fixing frame (that is, the axis of the steel column) and the center of the target is fixed. Therefore, it is only necessary to set the distance between the installation position of the laser transmitter and the axis of the steel column to be equal to the distance between the axis of the annular fixing frame and the center of the target, and then when installing the target assembly, the target plate is installed above the laser transmitter. Therefore, it is only necessary to adjust the verticality of the steel column so that the laser irradiates the center of the target, and the verticality of the steel column can be adjusted.

[0020] Furthermore, the laser emitting assembly also includes a windshield arranged on the outside of the bracket.

[0021] Since the laser transmitter is installed in a suspended manner, it is greatly disturbed by external wind and the like. Therefore, a wind shield is provided to reduce the interference of wind on it.

[0022] A method for controlling the verticality of a steel column comprises the following steps:

[0023] S1. After the steel column is installed at the preset position, the top of the steel column is pulled from multiple directions by the pulling device;

[0024] S2, the target assembly is mounted on a steel column, and the laser emission assembly is installed below the target assembly;

[0025] S3, starting the laser emission assembly and making the laser beam shoot vertically upward onto the target assembly;

[0026] S4, starting the target assembly to move upward along the steel column until it moves to a preset height;

[0027] S5, after the target assembly receives the laser beam, the control center obtains the position of the laser beam at the target assembly. If the laser beam is located at the bull's eye of the target assembly, no adjustment is made; if the laser beam deviates from the bull's eye of the target assembly, the control center controls the traction device to adjust the verticality of the steel column so that the laser beam hits the bull's eye of the target assembly;

[0028] S6. After fixing the steel column, close and remove the steel column verticality control device.

[0029] One or more technical solutions provided by the present invention have at least the following technical effects or advantages:

[0030] (1) The present invention uses a laser emitting assembly to emit a laser beam vertically upward, which is received by a target assembly installed on a steel column, and the verticality of the steel column is adjusted. The verticality of the steel column is confirmed by irradiating the laser to the bull's eye of the target assembly. The operation is simple, and the verticality of the steel column can be remotely monitored to see whether it meets the standard. The traction device can be remotely controlled to adjust the verticality of the steel column to meet the standard. The verticality of the steel column can be adjusted away from the steel column, which is safer and can be automatically controlled, thereby improving accuracy and reducing manpower consumption.

[0031] (2) By putting the target assembly on the steel column, the target assembly can climb on the steel column by itself, without having to be installed at a high altitude on the top of the steel column. After the steel column is installed, the target assembly can also be lowered by itself, which reduces the difficulty of removing the device and improves safety. In addition, there is no need to install and collect the verticality control device on the top of the installed steel column, which reduces interference with the installed steel column and prevents its verticality from decreasing.

[0032] (3) The two sets of rollers are in contact with the surface of the steel column. When installed on the square steel column, the two sets of rollers fit normally to increase the contact area. The rotating shafts of the two sets of rollers are set as rotatable structures, and thrust elastic parts are respectively provided to buffer them. When the two sets of rollers are close to the cylindrical steel column, the two sets of rollers push the thrust elastic parts to compress, so that the ends of the two sets of rollers close to each other are concave downward, forming an angle to wrap and fit the cylindrical steel column, thereby increasing the contact area. The restoring force of the thrust elastic part presses the rollers against the surface of the steel column, thereby increasing the friction of the contact surface and reducing the probability of the roller assembly slipping.

[0033] (4) By hanging and installing the laser emitter, the weight of the laser emitter is used to keep it in a vertical direction, and the emitted laser is in a vertical direction, which is convenient for determining the standard verticality; the distance between the installation position of the laser emitter and the axis of the steel column is set to be equal to the distance between the axis of the annular fixing frame and the center of the target, and then when installing the target assembly, the target plate is installed above the laser emitter. Therefore, the verticality of the steel column can be adjusted by simply adjusting the verticality of the steel column so that the laser irradiates the center of the target;

[0034] (5)) The steel column verticality control device of the present invention is suitable for the verticality control of steel column structures such as cylindrical steel columns, square steel columns and conical barrel-shaped steel columns, and has a wider range of adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of the present invention, and do not constitute a limitation on the embodiments of the present invention;

[0036] Figure 1 It is a structural cross-sectional view of the steel column verticality control device in the present invention;

[0037] Figure 2 It is a top view of the steel column verticality control device of the present invention;

[0038] Figure 3 is a cross-sectional view of the roller assembly structure of the present invention;

[0039] Figure 4 It is a schematic diagram of the support structure in the present invention;

[0040] Among them, 1-steel column, 2-annular mounting frame, 3-telescopic assembly, 4-roller assembly, 401-shell, 402-rotating shaft, 403-roller, 404-thrust elastic member, 5-annular fixing frame, 6-target plate, 601-target ring, 602-bull's eye, 701-support rod, 702-telescopic rod, 703-anti-slip part, 8-fastener, 9-bracket, 10-laser transmitter, 11-cantilever, 12-traction rope, 13-support plate, 14-counterweight block. DETAILED DESCRIPTION

[0041] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0042] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those within the scope of this description. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0043] Example 1

[0044] The present embodiment provides a steel column verticality control device, comprising a plurality of traction devices installed on the steel column 1, wherein one end of the traction devices is connected to the top of the steel column 1, and the other end is fixedly connected to a fixing member, and further comprises a verticality detection device installed on the steel column 1, and a control center signal-connected to the verticality detection device and the traction device. The verticality detection device comprises a laser emitting assembly installed at the bottom end of the steel column 1 and a target assembly installed on the steel column 1, wherein the laser emitting assembly is used for emitting laser vertically upward, and the target assembly is used for moving on the steel column 1 and receiving the laser emitted by the laser emitting assembly.

[0045] Among them, four groups of traction devices are arranged to pull the steel column from four directions, so as to adjust the verticality of the steel column. It is preferred to adopt a traction motor, which is controlled by a control center such as a computer, PLC and single-chip microcomputer to improve the verticality adjustment accuracy. At the same time, the laser emitting component corresponds to the target component one by one, that is, the number of lasers emitted by the laser emitting component and the number of targets receiving lasers on the target component can be set to one or more, which can also improve the verticality adjustment accuracy.

[0046] In a more preferred embodiment, the target assembly includes an annular mounting frame 2, a plurality of telescopic assemblies 3 mounted on the mounting frame, and a roller assembly 4 mounted at the end of the telescopic assembly 3, the roller assembly 4 is installed in contact with the side wall of the steel column 1, and the telescopic assembly 3 is evenly installed along the annular mounting frame 2.

[0047] Among them, the annular mounting frame 2 preferably adopts a circular ring structure, and two or more telescopic components 3 are preferably arranged. In order to balance the forces of multiple telescopic components 3, multiple telescopic components 3 are evenly arranged on the annular mounting frame 2. For example, two telescopic components 3 are symmetrically installed on the annular mounting frame 2, three telescopic components 3 are installed on the annular mounting frame 2 at intervals of 120°, and four telescopic components 3 are installed on the annular mounting frame 2 at intervals of 90°.

[0048] In a more preferred embodiment, the roller assembly 4 includes a shell 401 connected to the end of the telescopic assembly 3, a rotating shaft 402 rotatably connected to the two opposite side walls of the shell 401, and a roller 403 installed on the rotating shaft 402. The top plate of the shell 401 is open, the rotating shaft 402 is installed on the side wall adjacent to the top plate, and a thrust elastic member 404 is installed on the bottom plate opposite to the top plate, and the end of the rotating shaft 402 away from the side wall is installed on the thrust elastic member 404.

[0049] Among them, a rotating shaft is provided between the rotating shaft 402 and the side wall of the shell 401, and the rotating shaft 402 swings around the rotating shaft, and the swinging direction is toward the opening side and the bottom plate side of the shell 401. The two rollers 403 are respectively installed on the two rotating shafts 402, and the axis of the rotating shaft 402 is perpendicular to the axis of the steel column 1. The thrust elastic member 404 is preferably a thrust spring, and the initial state of the thrust elastic member 404 pushes the two rollers 403 partially or completely away from the opening side of the shell 401.

[0050] In a more preferred embodiment, the roller assembly 4 also includes two transverse rollers that roll laterally, the axes of the transverse rollers are parallel to the axis of the steel column 1, and are always in contact with the steel column 1 after installation. The rotation of the transverse rollers can control the target assembly to rotate along the surface of the steel column 1.

[0051] Example 2

[0052] On the basis of Example 1, the target assembly also includes an annular fixing frame 5 installed on the outside of the annular mounting frame 2 and coaxial with the annular mounting frame 2, and a target plate 6 installed on the side wall of the annular fixing frame 5, the target plate 6 is perpendicular to the axis of the annular fixing frame 5, and the target plate 6 is provided with a target ring 601 and a bull's eye 602, and the target ring 601 and the bull's eye 602 are both provided with a plurality of laser receivers.

[0053] Among them, the annular fixing frame 5 is preferably a circular ring structure coaxial with the annular mounting frame 2. A plurality of target plates 6 can be provided, corresponding one to one with the number of lasers emitted by the laser emitting assembly. The number of laser receivers installed on the target ring 601 and the bull's eye 602 is arbitrary and is evenly installed with as many as possible to facilitate improving the accuracy of vertical adjustment.

[0054] In a more preferred embodiment, the target assembly further comprises a plurality of support assemblies mounted on the lower end of the annular fixing frame 5, and the support assemblies are arranged in a mirror image with respect to each other. Preferably, two or more support assemblies are arranged evenly, for example, two support assemblies are symmetrically mounted on the annular fixing frame 5, three support assemblies are installed on the annular fixing frame 5 at intervals of 120°, four support assemblies are installed on the annular fixing frame 5 at intervals of 90°, etc., so that the forces between the plurality of support assemblies are balanced.

[0055] In a more preferred embodiment, the support assembly includes a support rod 701 and a telescopic rod 702, the upper end of the support rod 701 is rotatably connected to the lower end of the annular fixing frame 5, the lower end of the support rod 701 is provided with an anti-slip member 703, the upper end of the telescopic rod 702 is rotatably connected to the lower end of the annular mounting frame 2, and the lower end of the telescopic rod 702 is rotatably connected to the support rod 701.

[0056] Among them, the support rod 701 swings between the side close to the steel column 1 and the side away from the steel column 1. The shape of the anti-slip part 703 is determined according to the structure of the steel column 1. If the steel column 1 is square, the anti-slip part 703 is set to a flat plate structure. If the steel column 1 is a cylindrical, conical barrel or other structure, the anti-slip part 703 is set to a circular arc plate structure to ensure that it fits closely with the surface of the steel column 1.

[0057] In a more preferred embodiment, the annular mounting frame 2 and the annular fixing frame 5 each include two parts connected by bearings, and fasteners 8 for splicing and fixing are provided at openings away from the bearings.

[0058] Among them, it is preferred that the annular mounting frame 2 and the annular fixing frame 5 are both set as two semi-circular ring structures, and the annular mounting frame 2 and the annular fixing frame 5 are connected to form an expandable and closable claw-like structure through a bearing, and the open end is fixed by a fastener 8.

[0059] Example 3

[0060] Based on any of the above embodiments, the laser emitting assembly includes a bracket 9 and a laser emitter 10 installed on the bracket 9, the bracket 9 is provided with a cantilever 11, a traction rope 12 and a support plate 13 are installed at the end of the cantilever 11, the end of the traction rope 12 is connected to the middle of the support plate 13, the laser emitter 10 and the counterweight 14 are installed on the support plate 13, and the laser emitter 10 and the counterweight 14 are of equal weight and are symmetrically installed on both sides of the traction rope 12.

[0061] The end of the traction rope 12 is connected to the middle of the support plate 13, and the straight line where the traction rope 12 is located passes through the center of gravity of the support plate 13, so that the support plate 13 can maintain a horizontal state without external interference.

[0062] In a more preferred embodiment, the laser emitting assembly further includes a windshield disposed on the outside of the bracket 9 .

[0063] In a more preferred embodiment, the device adjusts the verticality of the steel column 1 by adjusting the traction device, and at the same time allows the laser emitted by the laser emitting assembly to irradiate the bull's eye 602, so that the laser emitting assembly, the bull's eye 602, the laser emitting assembly, and the bull's eye 602 are vertically mapped between two points on the steel column 1 to form a rectangular structure, thereby ensuring the verticality of the steel column 1.

[0064] Example 4

[0065] Based on any of the above embodiments, the method includes the following steps:

[0066] S1. After the steel column 1 is installed at the preset position, the top of the steel column 1 is pulled from multiple directions by the pulling device; a pre-installation hole connected to the steel column 1 is provided at the preset position to facilitate fixing the steel column 1;

[0067] S2, the target assembly is mounted on the steel column 1, and the laser emission assembly is installed below the target assembly;

[0068] S3, starting the laser emission assembly and making the laser beam shoot vertically upward onto the target assembly;

[0069] S4, starting the target assembly to move upward along the steel column 1 until it moves to a preset height;

[0070] S5, after the target assembly receives the laser beam, the control center obtains the position of the laser beam at the target assembly. If the laser beam is located at the bull's eye 602 of the target assembly, no adjustment is made; if the laser beam deviates from the bull's eye 602 of the target assembly, the control center controls the traction device to adjust the verticality of the steel column 1 so that the laser beam hits the bull's eye 602 of the target assembly;

[0071] S6. After fixing the steel column 1, close and remove the verticality control device of the steel column 1.

[0072] In step S4, during the movement of the target assembly, the laser is always irradiated on the target plate 6 to ensure that the laser receiver receives the laser. The preset height of the target assembly movement is mostly near the top of the steel column 1.

[0073] In step S5, the control center controls the traction device to adjust the verticality of the steel column 1 so that the laser beam is shot to the bull's eye 602 of the target assembly. Specifically, with the bull's eye 602 as the target, for example, the laser is irradiated to the left side of the bull's eye 602, the control center controls the traction device to move the top of the steel column 1 to the left until the laser is irradiated to the bull's eye 602. For another example, the laser is irradiated to the lower right side of the bull's eye 602, the control center controls the traction device to move the top of the steel column 1 to the lower right side until the laser is irradiated to the bull's eye 602.

[0074] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0075] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A steel column verticality control device, comprising a plurality of traction devices installed on a steel column (1), wherein one end of each traction device is connected to the top of the steel column (1), and the other end is fixedly connected to a fixing member, characterized in that: It also includes a verticality detection device installed on the steel column (1) and a control center connected to the verticality detection device and the traction device by signal. The verticality detection device includes a laser emitting assembly installed at the bottom end of the steel column (1) and a target assembly installed on the steel column (1). The laser emitting assembly is used to emit laser vertically upward, and the target assembly is used to move on the steel column (1) and receive the laser emitted by the laser emitting assembly.

2. A steel column verticality control device according to claim 1, characterized in that: The target assembly comprises an annular mounting frame (2), a plurality of telescopic assemblies (3) mounted on the mounting frame, and a roller assembly (4) mounted at the end of the telescopic assembly (3); the roller assembly (4) is mounted in contact with the side wall of the steel column (1), and the telescopic assembly (3) is evenly mounted along the annular mounting frame (2).

3. A steel column verticality control device according to claim 2, characterized in that: The roller assembly (4) comprises a shell (401) connected to the end of the telescopic assembly (3), a rotating shaft (402) rotatably connected to the two opposite side walls of the shell (401), and a roller (403) mounted on the rotating shaft (402); the top plate of the shell (401) is open, the rotating shaft (402) is mounted on the side wall adjacent to the top plate, a thrust elastic member (404) is mounted on the bottom plate opposite to the top plate, and one end of the rotating shaft (402) away from the side wall is mounted on the thrust elastic member (404).

4. A steel column verticality control device according to claim 2, characterized in that: The target assembly further comprises an annular fixing frame (5) mounted on the outside of the annular mounting frame (2) and coaxial with the annular mounting frame (2), and a target plate (6) mounted on the side wall of the annular fixing frame (5), wherein the target plate (6) is perpendicular to the axis of the annular fixing frame (5), and a target ring (601) and a bull's eye (602) are provided on the target plate (6), and a plurality of laser receivers are provided on the target ring (601) and the bull's eye (602).

5. A steel column verticality control device according to claim 4, characterized in that: The target assembly further comprises a plurality of support assemblies mounted on the lower end of the annular fixing frame (5), wherein the support assemblies are arranged in a mirror-like manner.

6. A steel column verticality control device according to claim 5, characterized in that: The support assembly comprises a support rod (701) and a telescopic rod (702); the upper end of the support rod (701) is rotatably connected to the lower end of the annular fixing frame (5); the lower end of the support rod (701) is provided with an anti-slip member (703); the upper end of the telescopic rod (702) is rotatably connected to the lower end of the annular mounting frame (2); and the lower end of the telescopic rod (702) is rotatably connected to the support rod (701).

7. A steel column verticality control device according to claim 4, characterized in that: The annular mounting frame (2) and the annular fixing frame (5) both include two parts connected by bearings, and fasteners (8) for splicing and fixing are provided at openings away from the bearings.

8. The steel column verticality control device according to claim 1, characterized in that: The laser emitting assembly comprises a bracket (9) and a laser emitter (10) mounted on the bracket (9); a cantilever (11) is provided on the bracket (9); a traction rope (12) and a support plate (13) are mounted at the end of the cantilever (11); the end of the traction rope (12) is connected to the middle of the support plate (13); the laser emitter (10) and the counterweight (14) are mounted on the support plate (13); the laser emitter (10) and the counterweight (14) are of equal weight and are symmetrically mounted on both sides of the traction rope (12).

9. A steel column verticality control device according to claim 8, characterized in that: The laser emitting assembly also includes a windshield plate arranged on the outside of the bracket (9).

10. A method for controlling the verticality of a steel column based on a device for controlling the verticality of a steel column according to any one of claims 1 to 9, characterized in that: The steps include: S1. After the steel column (1) is installed at a preset position, the top end of the steel column (1) is pulled from multiple directions by the pulling device; S2, the target assembly is mounted on the steel column (1), and the laser emission assembly is installed below the target assembly; S3, starting the laser emission assembly and making the laser beam shoot vertically upward onto the target assembly; S4, starting the target assembly to move upward along the steel column (1) until it moves to a preset height; S5, after the target assembly receives the laser beam, the control center obtains the position of the laser beam on the target assembly. If the laser beam is located at the preset position on the target assembly, no adjustment is made; if the laser beam deviates from the preset position on the target assembly, the control center controls the traction device to adjust the verticality of the steel column (1) so that the laser beam is projected to the preset position on the target assembly; S6. After fixing the steel column (1), close and remove the verticality control device of the steel column (1).

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