Steel column positioning and correction device and method for steel structure construction

Abstract

This invention relates to the field of steel structure construction technology, and particularly to a steel column positioning and correction device and method for steel structure construction. The device includes a display controller, a control terminal, a lower fixing mechanism, and an upper positioning and correction mechanism. The lower fixing mechanism clamps onto the lower steel column, and the upper positioning and correction mechanism is mounted on the lower fixing mechanism. The upper positioning and correction mechanism, used for positioning and correcting the upper steel column, includes a lifting component, a tightening component, and an upper triangular positioning component. The upper triangular positioning component is detachably mounted on the tightening component. A positioning and correction method based on the above device is also disclosed. This method enables the upper triangular positioning component to position the upper steel column in conjunction with the tightening component. The lower fixing mechanism uses a clamping method to fix the lower steel column, which is convenient, quick, and efficient. Furthermore, by adjusting the position of the upper triangular positioning component through the lifting component, the welding position is avoided, allowing the entire weld to be welded without disassembling the device.

Description

Technical Field

[0001] This invention relates to the field of steel structure construction technology, and in particular to a steel column positioning and correction device and method for steel structure construction. Background Technology

[0002] In on-site steel structure construction, the splicing of steel columns along their height typically involves pre-installing positioning lugs on the columns. The upper and lower steel columns are then clamped together using these lugs to determine their positions. After the steel beams are assembled and aligned, welding is performed. However, after welding, the lugs must be removed and repainted, which is labor-intensive, material-intensive, and can easily create weak points for corrosion protection.

[0003] The existing positioner is fixed to the lower steel column by clamps, and then tightened on all four sides by clamping components. This operation is cumbersome and inefficient, and it also affects the welding process. Summary of the Invention

[0004] The purpose of this invention is to provide a steel column positioning and correction device and method for steel structure construction, thereby solving the above-mentioned technical problems.

[0005] To achieve the above objectives, the present invention provides a steel column positioning and correction device for steel structure construction, including a display controller and a control terminal, which communicate with each other. It also includes a lower fixing mechanism and an upper positioning and correction mechanism, both of which communicate with the display controller. The lower fixing mechanism is clamped onto the lower steel column, and the upper positioning and correction mechanism is mounted on the lower fixing mechanism. The upper positioning and correction mechanism, used for positioning and correcting the upper steel column, includes lifting components symmetrically mounted on the lower fixing mechanism. A clamping component is mounted on the lifting component, and an upper triangular positioning component is detachably mounted on the clamping component.

[0006] Preferably, the clamping assembly includes a support guide fixed on the lifting assembly, the support guide has guide grooves on both sides of its top, and a clamping hydraulic cylinder is fixed on the top of the support guide between the two guide grooves;

[0007] The hydraulic cylinder is electrically connected to the display controller.

[0008] Preferably, the upper triangular positioning assembly includes an upper U-shaped frame and an upper triangular positioning component connected to the telescopic end of the tightening hydraulic cylinder. The two horizontal plates of the upper U-shaped frame are arranged in the guide groove, and the tops of the two horizontal plates of the upper U-shaped frame are inserted into the fixing through holes of the upper triangular positioning component and fixed by fixing screws.

[0009] Preferably, pressure sensors and distance sensors are provided on both the inner and outer sides of the upper triangular positioning component. Both pressure sensors and distance sensors are electrically connected to the display controller, and the display controller communicates with the control terminal.

[0010] Preferably, the lower fixing mechanism includes a lower triangular positioning component and a clamping component, with a movable roller provided below the clamping component.

[0011] Preferably, the lower triangular positioning assembly includes a lower U-shaped frame and a lower triangular positioning component. The two horizontal plates of the lower U-shaped frame are inserted into the fixing through holes of the lower triangular positioning component and fixed by fixing set screws. Pressure sensors are provided on both the inner and outer sides of the lower triangular positioning component. The pressure sensors are electrically connected to the display controller, and the display controller communicates with the control terminal.

[0012] Preferably, the clamping assembly includes a mounting plate, a connecting plate, a drive gear plate, and a fixing plate connected to the lower U-shaped frame. A limit guide rail and a drive gear are provided on one side of the fixing plate. The drive gear meshes with two drive gear plates. The drive gear plates are slidably mounted on the limit guide rail. One end of the drive gear plate is fixedly connected to the connecting plate, and the other end of the connecting plate is detachably connected to the mounting plate. A plurality of linearly distributed mounting through holes are provided on the connecting plate.

[0013] Preferably, the rotating shaft of the drive gear is mounted on the fixed plate, and an operating knob is installed at one end of the rotating shaft. The operating knob is provided with an elastic one-way positioning component. The other side of the fixed plate is provided with circumferentially distributed positioning grooves. The elastic one-way positioning component includes a return spring and a positioning rod. The positioning rod is set in the guide hole of the operating knob through the return spring. One end of the positioning rod is provided with a limit plate, and the other end of the positioning rod passes through the guide hole and is provided with ratchet teeth. The ratchet teeth are arranged opposite to the positioning grooves.

[0014] Preferably, the rotating shaft of the drive gear is mounted on the fixed plate, and the rotating shaft is connected to a drive motor with a locking function. The drive motor is mounted on the other side of the fixed plate and is electrically connected to the display controller.

[0015] The positioning and correction method based on the above-mentioned steel column positioning and correction device for steel structure construction includes the following specific steps:

[0016] Step S1: Adjust the orientation of the upper and lower triangular positioning parts according to the type of steel column;

[0017] Step S2: Place the lower fixing mechanism at the relative position of the lower steel column, drive the gear to rotate and drive the two oppositely arranged connecting plates to move closer to each other, so that the two lower triangular positioning parts clamp the lower steel column until the pressure sensor inside the triangular positioning parts reaches the set clamping pressure value.

[0018] Step S3: The lifting assembly drives the upper triangular positioning component to rise gradually, while the distance sensor detects the height of the lower steel column. The upper triangular positioning component stops at the set height.

[0019] Step S4: Hoist the upper steel column to above the lower steel column. At the same time, as the upper steel column gradually descends, the distance sensor on the upper triangular positioning component collects the position of the lower end of the upper steel column and moves downward with the lifting component until the upper steel column contacts the lower steel column.

[0020] Step S5: The lifting assembly drives the upper triangular positioning component to rise to the calibration height, and the clamping hydraulic cylinder is activated, so that the upper triangular positioning component moves to the upper steel column until the pressure sensor on the upper triangular positioning component reaches the set calibration pressure, thus completing the positioning calibration of the upper and lower steel columns.

[0021] Therefore, the present invention employs the above-mentioned steel column positioning and correction device and positioning and correction method for steel structure construction, which has the following beneficial effects:

[0022] (1) The upper steel column is positioned by using the upper triangular positioning component combined with the clamping component, and the lower fixing mechanism is fixed by clamping. It is convenient, quick and efficient to use.

[0023] (2) At the same time, the position of the upper triangular positioning component is adjusted by the lifting component to avoid the welding position, so as to achieve the welding of the entire weld without disassembling the device.

[0024] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0025] Figure 1 This is a front view of the steel column positioning and correction device for steel structure construction according to the present invention;

[0026] Figure 2 This is a schematic diagram of the lower fixing mechanism and the upper positioning and correction mechanism of the present invention;

[0027] Figure 3 A schematic diagram of the positioning of the cross-shaped steel column;

[0028] Figure 4 A schematic diagram showing the positioning of the H-shaped steel column;

[0029] Figure 5 This is a top view of the steel column positioning and correction device for steel structure construction according to the present invention;

[0030] Figure 6 This is a schematic diagram of an elastic unidirectional positioning component.

[0031] Figure 7 This is a side view of the steel column positioning and correction device used in steel structure construction, as described in Example 2.

[0032] Figure Labels

[0033] 1. Lower fixing mechanism; 11. Lower triangular positioning assembly; 111. Lower U-shaped frame; 112. Lower triangular positioning component; 12. Clamping assembly; 121. Mounting plate; 122. Connecting plate; 123. Drive gear plate; 124. Fixing plate; 125. Limiting guide rail; 126. Drive gear; 127. Mounting through hole; 128. Operating knob; 129. Positioning groove; 1210. Guide through hole; 13. Elastic one-way positioning component; 13 1. Return spring; 132. Positioning rod; 133. Limiting plate; 134. Ratchet; 14. Moving roller; 2. Upper positioning and correction mechanism; 21. Lifting assembly; 22. Tightening assembly; 221. Support guide; 222. Tightening hydraulic cylinder; 23. Upper triangular positioning assembly; 231. Upper U-shaped frame; 232. Upper triangular positioning component; 3. Fixing through hole; 4. Fixing set screw; 5. Drive motor; 6. Lower steel column; 7. Upper steel column. Detailed Implementation

[0034] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0035] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0036] Example 1

[0037] like Figure 1 As shown, a steel column positioning and correction device for steel structure construction includes a display controller, a control terminal, a lower fixing mechanism 1, and an upper positioning and correction mechanism 2. The display controller displays the detected data and controls the corresponding components, employing an existing small PLC controller. The control terminal is a mobile terminal (phone or industrial tablet). Both the display controller and control terminal utilize existing market equipment and will not be described in detail here.

[0038] like Figure 2As shown, the lower fixing mechanism 1 is used to clamp and fix the lower steel column 6. The lower fixing mechanism 1 includes a lower triangular positioning component 11 and a clamping component 12. A movable roller 14 is provided below the clamping component 12 to facilitate the overall movement of the device and the adjustment of its position during the clamping process.

[0039] The lower triangular positioning assembly 11 includes a lower U-shaped frame 111 and a lower triangular positioning component 112. The lower triangular positioning component 112 is a right-angled triangular plate. The two horizontal plates of the lower U-shaped frame 111 are inserted into the fixing through holes 3 of the lower triangular positioning component 112 and fixed by fixing set screws 4, realizing the detachable connection of the lower triangular positioning component 112. Figure 3 As shown, the orientation of the lower triangular positioning piece 112 can also be adjusted for the cross-shaped steel column, such as... Figure 4 As shown, it can also be used to position and clamp H-shaped steel columns, improving its applicability. Pressure sensors are installed on both the inner and outer sides of the lower triangular positioning component 112. These pressure sensors are electrically connected to the display controller, which communicates with the control terminal to detect the clamping force.

[0040] The clamping assembly 12 includes a mounting plate 121, a connecting plate 122, a drive gear plate 123, and a fixing plate 124 connected to the lower U-shaped frame 111. A limit guide rail 125 and a drive gear 126 are provided on one side of the fixing plate 124. The drive gear 126 meshes with two drive gear plates 123. The drive gear plates 123 are slidably mounted on the limit guide rail 125. One end of the drive gear plate 123 is fixedly connected to one end of the connecting plate 122, and the other end of the connecting plate 122 is detachably connected to the mounting plate 121. The connecting plate 122 has a plurality of linearly distributed mounting through holes 127. Figures 5-6 As shown, the rotating shaft of the drive gear 126 is mounted on the fixed plate 124. An operating knob 128 is mounted on one end of the rotating shaft. An elastic one-way positioning element 13 is provided on the operating knob 128. A circumferentially distributed positioning groove 129 is provided on the other side of the fixed plate 124. The elastic one-way positioning element 13 includes a return spring 131 and a positioning rod 132. The positioning rod 132 is set in the guide hole 1210 of the operating knob 128 through the return spring 131. A limit plate 133 is provided at one end of the positioning rod 132. A ratchet 134 is provided at the other end of the positioning rod 132 through the guide hole 1210. The ratchet 134 is arranged opposite to the positioning groove 129. During clamping, rotating the operation knob 128 drives the two drive gear plates 123, thereby causing the two lower triangular positioning parts 112 to move closer to the lower steel column 6. When the clamping pressure is reached, the release operation knob 128, under the action of the return spring 131, causes the ratchet 134 to be locked in the positioning groove 129 and will not rotate in the opposite direction, thus locking the drive gear 126. When releasing, the positioning rod 132 can be pulled out by the limit plate 133 to rotate the operation knob 128 in the opposite direction.

[0041] An upper positioning and correction mechanism 2 is provided on the lower fixing mechanism 1. The upper positioning and correction mechanism 2 is used to position and correct the upper steel column 7. The upper positioning and correction mechanism 2 includes a lifting assembly 21 (the hydraulic cylinder can also be an electric push rod) symmetrically installed on the lower fixing mechanism 1. A clamping assembly 22 is provided on the lifting assembly 21. The clamping assembly 22 includes a support guide 221 fixed on the lifting assembly 21. Guide grooves are opened on both sides of the top of the support guide 221. A clamping hydraulic cylinder 222 is fixed on the top of the support guide 221 between the two guide grooves. The clamping hydraulic cylinder 222 is electrically connected to the display controller to realize the control of the clamping hydraulic cylinder 222. An upper triangular positioning assembly 23 is detachably provided on the clamping assembly 22. The upper triangular positioning assembly 23 includes an upper U-shaped frame 231 and an upper triangular positioning component 232 connected to the telescopic end of the tightening hydraulic cylinder 222. It has the same structure as the lower triangular positioning assembly 11. Two horizontal plates of the upper U-shaped frame 231 are set in guide grooves, and the tops of the two horizontal plates are inserted into the fixing through holes 3 of the upper triangular positioning component 232 and fixed by fixing screws 4. Pressure sensors and distance sensors are provided on both the inner and outer sides of the upper triangular positioning component 232. Both the pressure sensors and distance sensors are electrically connected to the display controller, which communicates with the control terminal. This not only detects the calibration pressure but also, during the docking process, the upper steel column 7 gradually descends. When the upper steel column 7 has not entered between the two upper triangular positioning components 232, the distance sensor collects the distance between the two upper triangular positioning components 232. At this time, the two upper triangular positioning components 232 are in a state of mutual distance, and the distance sensor is at a set height (generally 20cm-30cm) higher than the horizontal plane at the top of the lower steel column 6. When the column descends between the two upper triangular positioning pieces 232, the distance sensor detects the distance between itself and the upper steel column 7. A sudden decrease in the collected distance data indicates that the upper steel column 7 has now descended to the height of the distance sensor. As the upper steel column 7 continues to descend, the lifting assembly 21 simultaneously lowers the upper triangular positioning pieces 232. The distance sensor continuously monitors the distance data and moves downwards with the upper steel column 7 via the lifting assembly 21, ensuring that the upper triangular positioning pieces 232 remain slightly above the upper steel column 7, meaning the real-time detected distance is less than the distance between the two upper triangular positioning pieces 232. The height of the lower surface of the upper steel column 7 from the foundation surface is as follows:

[0042] ;

[0043] in, The height between the top of the cylinder of the lifting assembly 21 and the base surface in contact with the moving roller; The lifting assembly 21 rises from its initial position to the height of the upper surface of the lower steel column 6. The height is typically set to 20cm-30cm. The height at which the lifting assembly 21 retracts to follow the retraction of the upper steel column 7.

[0044] The upper steel column 7 and the lower steel column 6 will contact each other when the lifting assembly 21 descends to the set height (generally 20cm-30cm).

[0045] The positioning and correction method based on the above-mentioned steel column positioning and correction device for steel structure construction includes the following specific steps:

[0046] Step S1: Adjust the orientation of the upper triangular positioning component 232 and the lower triangular positioning component 112 according to the type of steel column; for cross steel columns, the right-angled tops of the upper triangular positioning component 232 and the lower triangular positioning component 112 need to be set outwards.

[0047] Step S2: Place the lower fixing mechanism 1 at the opposite position of the lower steel column 6, and drive the gear 126 to rotate and drive the two oppositely arranged connecting plates 122 to move closer to each other, so that the two lower triangular positioning parts 112 clamp the lower steel column 6 until the pressure sensor inside the triangular positioning part reaches the set clamping pressure value.

[0048] Step S3: The lifting assembly 21 drives the upper triangular positioning component 232 to gradually rise, and the rising time is the initial time. This causes the distance sensor to rise synchronously, simultaneously detecting the distance between the distance sensor and the lower steel column 6. While maintaining a consistent relative time interval between the distance sensor and the lower steel column 6, the distance value changes abruptly at the boundary between the lower steel column 6 and the area without the lower steel column 6 when the distance sensor passes the top of the lower steel column 6. The moment the position of the top of the lower steel column 6 is determined is the end time. The uniform motion of the lifting component 21 Therefore, the lifting height of the lifting component 21 is The height between the top of the cylinder of the lifting assembly 21 and the base surface in contact with the moving roller is a fixed value. The height of the top of the lower steel column 6 from the foundation surface is The distance sensor moves vertically to determine the top position of the lower steel column 6. The lifting assembly 21 continues to rise, causing the upper triangular positioning component 232 to stop at the set height. At this time, the distance sensor is higher than the set height of the horizontal plane where the top of the lower steel column 6 is located. (Generally 20cm-30cm), at this time the distance sensor is at a height of 10cm-30cm from the base surface. .

[0049] Step S4: The upper steel column 7 is hoisted above the lower steel column 6. Simultaneously, as the upper steel column 7 gradually descends, the distance sensor on the upper triangular positioning component 232 collects the position of the lower end of the upper steel column 7. Before the upper steel column 7 descends to the height of the distance sensor, the distance sensor detects the distance between the two upper triangular positioning components 232. When the upper steel column 7 descends to the height of the distance sensor, it blocks the distance sensor, and the sensor detects the distance between the upper steel column 7 and the distance sensor. A sudden change in the distance data detected by the distance sensor indicates that the lower end of the upper steel column 7 is positioned relative to the distance sensor. The distance sensor detects the distance data in real time and moves downwards with the upper steel column 7 via the lifting assembly 21, meaning the real-time detected distance is less than the distance between the two upper triangular positioning components 232, until the upper steel column 7 contacts the lower steel column 6. This occurs when the lowering stroke of the lifting assembly 21 reaches the set height (generally 20cm-30cm), achieving vertical docking detection.

[0050] Step S5: The lifting assembly 21 drives the upper triangular positioning component 232 to rise to the calibration height. However, at this time, the upper steel column 7 and the lower steel column 6 may not be in a horizontally aligned state. Neither of the two upper triangular positioning components 232 is in contact with the upper steel column 7. The clamping hydraulic cylinder 222 is activated, causing the upper triangular positioning component 232 to move towards the upper steel column 7. When not aligned, one upper triangular positioning component 232 is in contact with the upper steel column, while the other is not. The pressure value of the upper triangular positioning component 232 in contact with the upper steel column 7 increases from zero to positive. The clamping hydraulic cylinder 222 continues to extend inward, causing the upper triangular positioning component 232 in contact with the upper steel column 7 to push the upper steel column 7 to move. The upper triangular positioning component 232 that is not in contact with the upper steel column 7 approaches the upper steel column 7. This continues until the pressure sensors on both upper triangular positioning components 232 reach the set calibration pressure, indicating that the two upper triangular positioning components 232 have pushed the upper steel column 7 to the middle position and can no longer move. The horizontal positioning calibration of the upper steel column 7 and the lower steel column 6 is completed.

[0051] Example 2

[0052] The difference between this embodiment and Embodiment 1 is that the driving component of the drive gear 126 is different, such as... Figure 7 As shown, the rotating shaft of the drive gear 126 is mounted on the fixed plate 124. The rotating shaft is connected to a drive motor 5 with a locking function. The drive motor 5 is mounted on the other side of the fixed plate 124. The drive motor 5 is electrically connected to the display controller. The clamping and releasing of the lower triangular positioning member 112 is realized by controlling the forward and reverse rotation of the drive motor 5.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the technical solutions of the present invention, and these modifications or equivalent substitutions cannot cause the modified technical solutions to deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A steel column positioning and correction device for steel structure construction, comprising a display controller and a control terminal, wherein the display controller and the control terminal communicate with each other, characterized in that: It also includes a lower fixing mechanism and an upper positioning and correction mechanism, both of which communicate with the display controller. The lower fixing mechanism is clamped on the lower steel column, and the upper positioning and correction mechanism is provided on the lower fixing mechanism. The upper positioning and correction mechanism is used to position and correct the upper steel column. The upper steel column includes a lifting assembly symmetrically installed on the lower fixing mechanism. The lifting assembly is provided with a clamping assembly. The clamping assembly is detachably provided with an upper triangular positioning assembly. The upper triangular positioning assembly includes an upper U-shaped frame and an upper triangular positioning component connected to the telescopic end of the clamping hydraulic cylinder. Pressure sensors and distance sensors are provided on the inner and outer sides of the upper triangular positioning component. The pressure sensors and distance sensors are electrically connected to the display controller. The lower fixing mechanism includes a lower triangular positioning component and a clamping component; The lower triangular positioning assembly includes a lower U-shaped frame and a lower triangular positioning component. The two horizontal plates of the lower U-shaped frame are inserted into the fixing through holes of the lower triangular positioning component and fixed by fixing set screws. Pressure sensors are provided on both the inner and outer sides of the lower triangular positioning component. The pressure sensors are electrically connected to the display controller, and the display controller communicates with the control terminal. The clamping assembly includes a mounting plate, a connecting plate, a drive gear plate, and a fixing plate connected to the lower U-shaped frame. A limit guide rail and a drive gear are provided on one side of the fixing plate. The drive gear meshes with two drive gear plates. The drive gear plates are slidably mounted on the limit guide rail. One end of the drive gear plate is fixedly connected to the connecting plate, and the other end of the connecting plate is detachably connected to the mounting plate. Several linearly distributed mounting through holes are provided on the connecting plate.

2. The steel column positioning and correction device for steel structure construction according to claim 1, characterized in that: The clamping assembly includes a support guide fixed on the lifting assembly. Guide grooves are provided on both sides of the top of the support guide. A clamping hydraulic cylinder is fixed on the top of the support guide between the two guide grooves. The hydraulic cylinder is electrically connected to the display controller.

3. The steel column positioning and correction device for steel structure construction according to claim 2, characterized in that: The two horizontal plates of the upper U-shaped frame are set in the guide groove, and the top of the two horizontal plates of the upper U-shaped frame are inserted into the fixing through hole of the upper triangular positioning piece and fixed by fixing screw.

4. A steel column positioning and correction device for steel structure construction according to claim 3, characterized in that: A movable roller is provided below the clamping component.

5. A steel column positioning and correction device for steel structure construction according to claim 4, characterized in that: The rotating shaft of the drive gear is mounted on the fixed plate. An operating knob is installed at one end of the rotating shaft. The operating knob is equipped with an elastic one-way positioning component. The other side of the fixed plate is equipped with circumferentially distributed positioning grooves. The elastic one-way positioning component includes a return spring and a positioning rod. The positioning rod is set in the guide hole of the operating knob through the return spring. A limit plate is set at one end of the positioning rod, and a ratchet is set at the other end of the positioning rod through the guide hole. The ratchet is set opposite to the positioning groove.

6. A steel column positioning and correction device for steel structure construction according to claim 4, characterized in that: The rotating shaft of the drive gear is mounted on the fixed plate. The rotating shaft is connected to a drive motor with a locking function. The drive motor is mounted on the other side of the fixed plate and is electrically connected to the display controller.

7. A positioning and correction method for a steel column positioning and correction device for steel structure construction as described in claim 5 or 6, characterized in that, The specific steps are as follows: Step S1: Adjust the orientation of the upper and lower triangular positioning parts according to the type of steel column; Step S2: Place the lower fixing mechanism at the relative position of the lower steel column, drive the gear to rotate and drive the two oppositely arranged connecting plates to move closer to each other, so that the two lower triangular positioning parts clamp the lower steel column until the pressure sensor inside the triangular positioning parts reaches the set clamping pressure value. Step S3: The lifting assembly drives the upper triangular positioning component to rise gradually, while the distance sensor detects the height of the lower steel column. The upper triangular positioning component stops at the set height. Step S4: Hoist the upper steel column to above the lower steel column. At the same time, as the upper steel column gradually descends, the distance sensor on the upper triangular positioning component collects the position of the lower end of the upper steel column and moves downward with the lifting component until the upper steel column contacts the lower steel column. Step S5: The lifting assembly drives the upper triangular positioning component to rise to the calibration height, and the clamping hydraulic cylinder is activated, so that the upper triangular positioning component moves to the upper steel column until the pressure sensor on the upper triangular positioning component reaches the set calibration pressure, thus completing the positioning calibration of the upper and lower steel columns.

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