Steel box girder segment hoisting construction error three-dimensional fine adjustment system

Abstract

The invention relates to the technical field of bridge construction, and particularly discloses a steel box girder segment hoisting construction error three-dimensional fine adjustment system which comprises a concrete tower column and a first steel box girder segment, the first steel box girder segment is installed on one side of the concrete tower column, and a second steel box girder segment is arranged on the other side of the first steel box girder segment. Measuring points are arranged at the four corners of one side of the second steel box girder section, and the laser scanner can observe the position changes of the four measuring points through the arrangement of the laser scanner, so that the control module can control the use of the three-dimensional jack and the posture adjusting assembly in real time; the position and posture of the second steel box girder section are adjusted, the angle and the real-time three-dimensional position of the second steel box girder section can be adjusted at the same time, accurate and efficient adjustment is achieved, the real-time hoisting position of the second steel box girder section is comprehensively monitored, and the bridge quality is improved.

Description

Technical Field

[0001] This application relates to the technical field of bridge construction, and particularly to a three-dimensional fine adjustment system for the hoisting construction error of steel box girder segments. Background Art

[0002] The hoisting construction of steel box girders is a crucial link in bridge construction, involving the precise docking, positioning, and installation of beam segments.

[0003] However, the following problems still exist in the current existing technologies: When hoisting steel box girder segments, it is necessary to manually operate a total station to constantly observe the position changes, and each measurement point needs to be measured separately. It is impossible to comprehensively and continuously monitor the entire steel box girder segment. Frequent adjustments are made during the hoisting process, resulting in a decrease in adjustment accuracy and affecting the bridge quality. Summary of the Invention

[0004] This application provides a three-dimensional fine adjustment system for the hoisting construction error of steel box girder segments, which solves the problems in the prior art that it is impossible to comprehensively and continuously monitor the entire steel box girder segment, and frequent adjustments are made during the hoisting process, resulting in a decrease in adjustment accuracy and affecting the bridge quality. It realizes the ability to simultaneously adjust the angle and real-time three-dimensional position of the second steel box girder segment, thereby achieving precise and efficient adjustment, and comprehensively monitoring the real-time hoisting position of the second steel box girder segment to improve the bridge quality.

[0005] This application provides a three-dimensional fine adjustment system for the hoisting construction error of steel box girder segments, including:

[0006] Concrete tower column;

[0007] The first steel box girder segment, which is installed on one side of the concrete tower column, and a second steel box girder segment is arranged on the other side of the first steel box girder segment;

[0008] Four measuring points are arranged at the four corners on one side of the second steel box girder segment;

[0009] Monitoring bracket, which is detachably arranged on one side of the first steel box girder segment. A control module, an early warning module, a data analysis module, a transmission and communication module, and a laser scanner are arranged on the other side of the monitoring bracket. The control module, the early warning module, the data analysis module, the transmission and communication module, and the laser scanner are electrically connected;

[0010] The laser scanner is located in the middle on one side of the second steel box girder segment, and the laser scanner is used to simultaneously detect the position changes of the four measuring points.

[0011] Furthermore, a load-bearing steel structure is provided below the first steel box girder segment. The load-bearing steel structure is detachably arranged on one side of the concrete tower column. A plurality of I-beams are provided at the top end of the load-bearing steel structure. A plurality of three-dimensional jacks are provided at the bottom end of the second steel box girder segment. The three-dimensional jacks are arranged at the four corners and both sides of the bottom end of the second steel box girder segment. The three-dimensional jacks are fixedly arranged at the top end of the I-beams. The three-dimensional jacks are electrically connected to the control module, and the control module is used to control the use of the three-dimensional jacks according to the measurement data measurement results.

[0012] Furthermore, the warning module monitors the lifting over-limit error of the second steel box girder segment in real time. The over-limit error range values are as follows:

[0013] The allowable deviation of the upper and lower height of the second steel box girder segment is 2 mm;

[0014] The allowable deviation of the left and right width of the second steel box girder segment is 3 mm;

[0015] The allowable deviation of the adjacent spacing between the first steel box girder segment and the second steel box girder segment is 2 mm.

[0016] Furthermore, the data analysis module is used to calculate the difference between the actual position information and the preset position information of the second steel box girder segment during lifting, and the transmission and communication module is used to obtain the real-time position data of the measurement points.

[0017] Furthermore, a tensioning structure is provided at the top end of the second steel box girder segment. The tensioning structure includes a double-threaded screw rod. Movable adjustment frames are symmetrically threadedly connected to the outside of the double-threaded screw rod. Support connecting arms are symmetrically and rotatably arranged above and below the movable adjustment frames. The other end of the lower support connecting arm is rotatably provided with a support connecting plate, and the support connecting plate abuts against the second steel box girder segment.

[0018] Furthermore, an attitude adjustment assembly is provided at the top end of the second steel box girder segment. The attitude adjustment assembly includes a lifting load-bearing plate. An annular platform is fixedly arranged at the bottom end of the lifting load-bearing plate. A toothed ring platform is rotatably arranged inside the annular platform. An adjustment motor is fixedly arranged at the top end of the lifting load-bearing plate. A driving gear is fixedly arranged at the driving end of the adjustment motor. The driving gear is meshed inside the toothed ring platform. The toothed ring platform is fixedly connected to an adjustment hanging plate through a connecting cylinder column. The adjustment hanging plate is fixedly connected to the second steel box girder segment through a connecting steel cable.

[0019] Furthermore, the adjustment hanging plate is rotatably connected to the support connecting arm, and the adjustment motor is electrically connected to the control module.

[0020] Furthermore, a falling prevention structure is provided above the hoisting bearing plate. The falling prevention structure includes fixed members, and four fixed members are evenly distributed in a circle. A receiving carrier block is fixedly arranged between the fixed members. A vertical steel column is fixedly arranged at the top end of the receiving carrier block. A deceleration block is fixedly arranged on the outer side of the vertical steel column. Deceleration lines are arranged on the outer side of the deceleration block. A pulley is rotatably arranged on one side of the fixed members close to each other. A hoisting steel cable is lapped on the outer side of the pulley. The hoisting steel cable is fixedly arranged at the four corners of the top end of the hoisting bearing plate. The vertical steel column and the hoisting steel cable are externally connected to hoisting equipment.

[0021] Furthermore, a follower wheel is arranged on one side of the fixed member. An inner connecting wheel is arranged inside the follower wheel. The inner connecting wheel is coaxially connected with the pulley. A plurality of locking card slots are formed inside the follower wheel. Sliding grooves are symmetrically formed on the outer side of the inner connecting wheel. A locking card block is slidably arranged inside the sliding grooves. A return spring is fixedly arranged on one side of the locking card block. The return spring is fixedly arranged on one side inside the sliding grooves. A cable pressing plate is fixedly arranged on the outer side of the follower wheel.

[0022] Furthermore, an end connecting cover is fixedly arranged at the end of the follower wheel. A fixed support plate is rotatably arranged at the other end of the end connecting cover. The fixed support plate is fixedly connected with the fixed member.

[0023] The technical solution provided by this application has at least the following technical effects or advantages:

[0024] 1. Through the setting of the laser scanner and the arrangement of the measurement points in this application, the laser scanner can observe the position changes of the four measurement points, enabling the control module to control the use of the three-dimensional jacks and the attitude adjustment components in real time, thereby adjusting the position and attitude of the second steel box girder segment. The angle and real-time three-dimensional position of the second steel box girder segment can be adjusted simultaneously, achieving precise and efficient adjustment, and comprehensively monitoring the real-time hoisting position of the second steel box girder segment, improving the quality of the bridge.

[0025] 2. Through the setting of the falling prevention structure in this application, if the second steel box girder segment stalls and falls, the rotation of the follower wheel in the falling prevention structure will cause the cable pressing plate to contact and press the hoisting steel cable, so that the hoisting steel cable contacts the deceleration lines, and the hoisting steel cable can be decelerated, thereby reducing the loss caused by the fall of the second steel box girder segment and improving the safety during construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of this application.

[0027] Figure 2 It is a split structural schematic diagram of the tensioning structure and part of the attitude adjustment components in an embodiment of this application.

[0028] Figure 3 This is a schematic diagram of the split structure of the attitude adjustment component in the embodiment of the present application.

[0029] Figure 4 This is a schematic diagram of the combined structure of the fixed member, the receiving carrier block, the vertical steel column, and the deceleration block in the embodiment of the present application.

[0030] Figure 5 This is a schematic diagram of the structure of a partial anti-falling structure in the embodiment of the present application.

[0031] Figure 6 This is a schematic diagram of the split structure of the inside of the follower wheel and the end connection cover in the embodiment of the present application.

[0032] Figure 7 This is a schematic diagram of one side of the monitoring bracket in the embodiment of the present application.

[0033] In the figure: 1, concrete tower column; 2, first steel box girder segment; 3, second steel box girder segment; 4, I-beam; 5, three-dimensional jack; 6, tensioning structure; 601, double-threaded screw; 602, moving adjustment frame; 603, supporting connecting arm; 604, supporting connecting plate; 7, attitude adjustment component; 701, hoisting bearing plate; 702, annular platform; 703, adjusting motor; 704, driving gear; 705, toothed ring platform; 706, connecting cylinder column; 707, adjusting hanging plate; 708, receiving steel cable; 8, anti-falling structure; 801, fixed member; 802, receiving carrier block; 803, vertical steel column; 804, deceleration block; 8041, deceleration pattern; 805, fixed support plate; 806, follower wheel; 8061, buckle lock groove; 8062, internal connecting wheel; 8063, sliding groove; 8064, buckle lock block; 8065, return spring; 807, end connection cover; 808, pulley; 809, cable pressing plate; 810, hoisting steel cable; 9, monitoring bracket; 901, control module; 902, warning module; 903, data analysis module; 904, transmission and communication module; 905, laser scanner. Specific embodiments

[0034] The embodiment of the present application discloses a three-dimensional precise adjustment system for the hoisting construction error of a steel box girder segment. Through the setting of the laser scanner 905 and the arrangement of measurement points, the laser scanner 905 can observe the position changes of four measurement points, so that the control module 901 can control the use of the three-dimensional jack 5 and the attitude adjustment component 7 in real time, thereby adjusting the position and attitude of the second steel box girder segment 3. The angle and real-time three-dimensional position of the second steel box girder segment 3 can be adjusted simultaneously, so as to achieve precise and efficient adjustment, and comprehensively monitor the real-time hoisting position of the second steel box girder segment 3, improving the quality of the bridge.

[0035] To better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings of the specification and specific embodiments.

[0036] Example 1: Refer to Figure 1 and Figure 7 A three-dimensional fine-tuning system for construction errors in the hoisting of steel box girder segments disclosed in an embodiment of the present application includes a first steel box girder segment 2, the first steel box girder segment 2 is installed on one side of a concrete tower column 1, a second steel box girder segment 3 is provided on the other side of the first steel box girder segment 2, measuring points are provided at the four corners on one side of the second steel box girder segment 3, a monitoring bracket 9, the monitoring bracket 9 is detachably provided on one side of the first steel box girder segment 2, a control module 901, a warning module 902, a data analysis module 903, a transmission and communication module 904, and a laser scanner 905 are provided on the other side of the monitoring bracket 9, the control module 901, the warning module 902, the data analysis module 903, the transmission and communication module 904, and the laser scanner 905 are electrically connected, the laser scanner 905 is located in the middle on one side of the second steel box girder segment 3, the laser scanner 905 is used to simultaneously detect the position changes of the four measuring points, the data analysis module 903 is used to calculate the difference between the actual position information and the hoisting preset position information of the second steel box girder segment 3, and the transmission and communication module 904 is used to obtain the real-time position data of the measuring points.

[0037] By observing the positions of the four measuring points through the laser scanner 905 to determine whether the assembly angle of the second steel box girder segment 3 is inclined. For example, the distances between the two sets of measuring points on the same vertical axis and the laser scanner 905 are different. According to the Pythagorean theorem and trigonometric functions, it can be calculated, so as to adjust whether the second steel box girder segment 3 and the first steel box girder segment 2 are in a horizontal state, which is convenient for adjusting the attitude of the second steel box girder segment 3 and further improving the accuracy during hoisting.

[0038] When adjusting the horizontal and vertical distances of the second steel box girder segment 3, it is adjusted according to the real-time positions of the four measuring points detected by the laser scanner 905. The difference method is still used, and the difference between the actually detected position of the measuring point and the preset position of the measuring point is used to provide a basis for adjustment and improve the adjustment angle of the second steel box girder segment 3.

[0039] Among them, a load-bearing steel structure is provided below the first steel box girder segment 2, the load-bearing steel structure is detachably provided on one side of the concrete tower column 1, a plurality of I-beams 4 are provided at the top of the load-bearing steel structure, a plurality of three-dimensional jacks 5 are provided at the bottom end of the second steel box girder segment 3, the three-dimensional jacks 5 are provided at the four corners and both sides at the bottom end of the second steel box girder segment 3, the three-dimensional jacks 5 are fixedly provided at the top of the I-beams 4, and the three-dimensional jacks 5 are electrically connected to the control module 901. The control module 901 is used to control the use of the three-dimensional jacks 5 according to the measurement data measurement results.

[0040] The control module 901 is used to control the coordinated operation of multiple three-dimensional jacks 5, thereby adjusting the up, down, left, and right positions of the second steel box girder segment 3, so as to achieve automated splicing work.

[0041] Specifically, the warning module 902 monitors the over-limit error during the hoisting of the second steel box girder segment 3 in real time. The over-limit error range values are as follows:

[0042] The allowable deviation of the up and down height of the second steel box girder segment 3 is 2 mm;

[0043] The allowable deviation of the left and right width of the second steel box girder segment 3 is 3 mm;

[0044] The allowable deviation of the adjacent spacing between the first steel box girder segment 2 and the second steel box girder segment 3 is 2 mm.

[0045] Among them, the allowable deviation of the up and down height of the second steel box girder segment 3 is 2 mm, the allowable deviation of the left and right width of the second steel box girder segment 3 is 3 mm, and the allowable deviation of the adjacent spacing between the first steel box girder segment 2 and the second steel box girder segment 3 is 2 mm, that is, the difference between the X, Y, and Z coordinates. The specific difference is monitored by the warning module 902. By obtaining the difference, the control module 901 controls the use of the three-dimensional jacks 5, thereby adjusting the up, down, left, and right distances of the second steel box girder segment 3, further reducing manual operation, achieving the effect of automatically adjusting the second steel box girder segment 3, and improving efficiency.

[0046] Embodiment 2: Refer to Figure 1 、 Figure 2 、 Figure 5 and Figure 7 , a tensioning structure 6 is provided at the top end of the second steel box girder segment 3. The tensioning structure 6 includes a double-threaded screw rod 601. Symmetrically threaded connections are arranged on the outer side of the double-threaded screw rod 601 with moving adjustment frames 602. Support connecting arms 603 are symmetrically and rotatably arranged above and below the moving adjustment frames 602. The other end of the lower support connecting arm 603 is rotatably provided with a support connecting plate 604. The support connecting plate 604 abuts against the second steel box girder segment 3. An attitude adjustment assembly 7 is provided at the top end of the second steel box girder segment 3. The attitude adjustment assembly 7 includes a hoisting bearing plate 701. A circular platform 702 is fixedly provided at the bottom end of the hoisting bearing plate 701. A toothed ring platform 705 is rotatably arranged inside the circular platform 702. An adjustment motor 703 is fixedly provided at the top end of the hoisting bearing plate 701. A driving gear 704 is fixedly provided at the driving end of the adjustment motor 703. The driving gear 704 is meshed and arranged inside the toothed ring platform 705. The toothed ring platform 705 is fixedly connected with an adjustment hanging plate 707 through a connecting cylinder column 706. The adjustment hanging plate 707 is fixedly connected with the second steel box girder segment 3 through a connecting steel cable 708. The adjustment hanging plate 707 is rotatably connected with the support connecting arm 603. The adjustment motor 703 is electrically connected with the control module 901.

[0047] When the angle is adjusted, the adjustment motor 703 in the attitude adjustment assembly 7 will start under the control of the control module 901, so as to drive the driving gear 704 to rotate. The rotation of the driving gear 704 drives the toothed ring platform 705. The rotation angle of the toothed ring platform 705 is the difference between the preset standard angle and the actually detected angle, which is analyzed and calculated by the data analysis module 903, and then the control module 901 sends an execution instruction to the adjustment motor 703. Due to the setting of the tensioning structure 6, when the toothed ring platform 705 rotates, it will drive the connecting cylinder column 706, the adjustment hanging plate 707 and the second steel box girder segment 3 to rotate together.

[0048] Embodiment 3: Refer to Figure 1 、 Figure 4 、 Figure 5 and Figure 6 , a falling prevention structure 8 is arranged above the hoisting bearing plate 701. The falling prevention structure 8 includes a fixing member 801. Four fixing members 801 are evenly distributed in a circumferential manner. A receiving carrier block 802 is fixedly arranged between the fixing members 801. A vertical steel column 803 is fixedly arranged at the top end of the receiving carrier block 802. A deceleration block 804 is fixedly arranged on the outer side of the vertical steel column 803. A deceleration pattern 8041 is arranged on the outer side of the deceleration block 804. A pulley 808 is rotatably arranged on one side of the fixing member 801 close to each other. A hoisting steel cable 810 is lapped on the outer side of the pulley 808. The hoisting steel cable 810 is fixedly arranged at the four corners of the top end of the hoisting bearing plate 701. The vertical steel column 803 and the hoisting steel cable 810 are externally connected to a hoisting device.

[0049] The second steel box girder segment 3 is hoisted by the hoisting steel cable 810 and an external hoisting device.

[0050] Refer to Figure 5 and Figure 6 , a follower wheel 806 is arranged on one side of the fixing member 801. An internal connecting wheel 8062 is arranged on the inner side of the follower wheel 806. The internal connecting wheel 8062 is coaxially connected with the pulley 808. A plurality of locking card slots 8061 are arranged on the inner side of the follower wheel 806. Slide grooves 8063 are symmetrically arranged on the outer side of the internal connecting wheel 8062. A locking card block 8064 is slidably arranged in the inner side of the slide grooves 8063. A reset spring 8065 is fixedly arranged on one side of the locking card block 8064. The reset spring 8065 is fixedly arranged on the inner side of one end of the slide grooves 8063. A cable pressing plate 809 is fixedly arranged on the outer side of the follower wheel 806. An end connecting cover 807 is fixedly arranged at the end of the follower wheel 806. A fixed support plate 805 is rotatably arranged at the other end of the end connecting cover 807. The fixed support plate 805 is fixedly connected with the fixing member 801.

[0051] When the locking block 8064 is subjected to centrifugal force, as the locking block 8064 slides to the range of the locking slot 8061 and enters it, a locking state is formed. At this time, the return spring 8065 is in an extended state, and the rotation of the internal rotating wheel 8062 will drive the slave rotating wheel 806 to rotate together, and the cable pressure plate 809 presses the lifting cable 810, pressing the lifting cable 810 to the outside of the deceleration pattern 8041, increasing the friction force on the lifting cable 810, thereby reducing the falling speed of the lifting cable 810.

[0052] Due to the downward pulling force of the lifting cable 810, the internal rotating wheel 8062 always has a rotational force, and the locking block 8064 will be subjected to the rotational force accordingly, thereby pressing against the inner side of the locking slot 8061 to form a locked state, which can be released when the lifting cable 810 is subjected to reverse force, thereby improving the safety of bridge lifting.

[0053] Working principle: Connect the receiving steel cable 708 to the second steel box girder segment 3, and use the external lifting equipment to lift the second steel box girder segment 3 to the joint of the first steel box girder segment 2. First, use the laser scanner 905 to observe the positions of four measuring points to determine whether the assembly angle of the second steel box girder segment 3 is inclined. For example, the distances between the two groups of measuring points on the same vertical axis and the laser scanner 905 are different. According to the Pythagorean theorem and trigonometric function calculation, it is possible to adjust whether the second steel box girder segment 3 and the first steel box girder segment 2 are in a horizontal state, thereby further improving the accuracy during lifting.

[0054] When adjusting the angle, the adjusting motor 703 in the posture adjustment component 7 will start, thereby driving the driving gear 704 to rotate. The rotation of the driving gear 704 drives the gear ring platform 705. The rotation angle of the gear ring platform 705 is the difference between the preset standard angle and the actual detection angle, which is analyzed and calculated by the data analysis module 903, and then the control module 901 sends an execution instruction to the adjusting motor 703. Due to the setting of the tensioning structure 6, the rotation time of the gear ring platform 705 will drive the connecting column 706, the adjusting hanger plate 707 and the second steel box beam segment 3 to rotate together;

[0055] The tensioning structure 6 is provided to facilitate the adjustment of the second steel box girder segment 3. If the lifting bearing plate 701 produces a rotation angle change, the second steel box girder segment 3 will follow the change, so the adjustment hanging plate 707 can be rotated to adjust the angle change. When the tensioning structure 6 is in use, the double-thread screw 601 is rotated to make the movable adjustment frame 602 approach each other, and the angle between the supporting arms 603 will change, so that the supporting plate 604 gradually moves away from the adjusting hanging plate 707 and abuts against the second steel box girder segment 3, and the receiving steel cable 708 will be tightened, which is convenient for lifting the second steel box girder segment 3 and for subsequent angle adjustment. After the lifting is completed, the supporting plate 604 can be retracted;

[0056] When adjusting the lateral and vertical distances of the second steel box girder segment 3, adjustments are made according to the real-time positions of the four measuring points detected by the laser scanner 905. The difference method is still used to provide an adjustment basis through the difference between the actual measured point position and the preset measured point position until the difference range is within the preset standard error, as shown below:

[0057] Among them, the upper and lower heights of the second steel box girder segment 3 are allowed to deviate by 2 mm, the left and right widths of the second steel box girder segment 3 are allowed to deviate by 3 mm, and the adjacent spacings between the first steel box girder segment 2 and the second steel box girder segment 3 are allowed to deviate by 2 mm, that is, the difference between the X, Y and Z coordinates. The specific difference is monitored by the early warning module 902, and the control module 901 controls the use of the three-dimensional jack 5 through the obtained difference, so as to adjust the upper and lower left and right distances of the second steel box girder segment 3, thereby reducing manual operations, achieving the effect of automatically adjusting the second steel box girder segment 3, and improving efficiency;

[0058] It should be noted that the transmission communication module 904 is connected with the external control system and the drawing device data, and is used to visualize the position change of the second steel box girder segment 3 detected in real time, so that the staff can monitor in real time in a safe area;

[0059] If the second steel box girder segment 3 falls rapidly, the hoisting steel cable 810 in the anti-fall structure 8 will move rapidly, so that the pulley 808 will rotate at high speed, and drive the coaxially connected inner rotating wheel 8062 to rotate together, so that the locking block 8064 is subjected to centrifugal force. When the locking block 8064 slides to the range of the locking slot 8061, it will enter it and form a locking state. At this time, the reset spring 8065 is in an extended state, and the rotation of the inner rotating wheel 8062 will drive the slave rotating wheel 806 to rotate together, and the cable pressure The plate 809 presses the hoisting cable 810, pressing the hoisting cable 810 to the outside of the deceleration pattern 8041, increasing the friction force on the hoisting cable 810, thereby reducing the falling speed of the hoisting cable 810. Due to the downward pulling force of the hoisting cable 810, the internal rotating wheel 8062 always has a rotational force, and the locking block 8064 will be subjected to the rotational force accordingly, thereby pressing against the inner side of the locking slot 8061 to form a locked state, which can be released when the hoisting cable 810 is subjected to reverse force, thereby improving the safety of bridge hoisting.

[0060] 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.

[0061] The above are only the preferred specific embodiments of the present application. However, the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present application should cover within the protection scope of the present application any equivalent replacement or change made according to the technical solution and its concept of the present application.

Claims

1. A three-dimensional fine-tuning system for construction errors in hoisting steel box girder segments, characterized in that: Comprising: Concrete tower column (1); The first steel box girder segment (2), the first steel box girder segment (2) is installed on one side of the concrete tower column (1), and a second steel box girder segment (3) is arranged on the other side of the first steel box girder segment (2); Measurement points are arranged at the four corners on one side of the second steel box girder segment (3); Monitoring bracket (9), the monitoring bracket (9) is detachably arranged on one side of the first steel box girder segment (2), and a control module (901), an early warning module (902), a data analysis module (903), a transmission and communication module (904) and a laser scanner (905) are arranged on the other side of the monitoring bracket (9), and the control module (901), the early warning module (902), the data analysis module (903), the transmission and communication module (904) and the laser scanner (905) are electrically connected; The laser scanner (905) is located in the middle on one side of the second steel box girder segment (3), and the laser scanner (905) is used to simultaneously detect the position changes of the four measurement points.

2. The three-dimensional fine adjustment system for the construction error of the steel box girder segment hoisting according to claim 1, wherein A bearing steel structure is arranged below the first steel box girder segment (2), the bearing steel structure is detachably arranged on one side of the concrete tower column (1), a plurality of I-beams (4) are arranged at the top end of the bearing steel structure, a plurality of three-dimensional jacks (5) are arranged at the bottom end of the second steel box girder segment (3), the three-dimensional jacks (5) are arranged at the four corners and both sides of the bottom end of the second steel box girder segment (3), the three-dimensional jacks (5) are fixedly arranged at the top ends of the I-beams (4), the three-dimensional jacks (5) are electrically connected to the control module (901), and the control module (901) is used to control the use of the three-dimensional jacks (5) according to the measurement data measurement results.

3. The three-dimensional fine adjustment system for the lifting construction error of a steel box girder segment according to claim 1, wherein, The early warning module (902) monitors the over-limit error of the hoisting of the second steel box girder segment (3) in real time, and the over-limit error range values are as follows: The allowable deviation of the up and down height of the second steel box girder segment (3) is 2mm; The allowable deviation of the left and right width of the second steel box girder segment (3) is 3mm; The allowable deviation of the adjacent spacing between the first steel box girder segment (2) and the second steel box girder segment (3) is 2mm.

4. The three-dimensional fine adjustment system for construction errors in hoisting steel box girder segments according to claim 1, characterized in that, The data analysis module (903) is used to calculate the difference between the actual position information and the hoisting preset position information of the second steel box girder segment (3), and the transmission and communication module (904) is used to obtain the real-time position data of the measurement points.

5. The three-dimensional fine adjustment system for construction errors in hoisting steel box girder segments according to claim 1, wherein, A tensioning structure (6) is arranged at the top end of the second steel box girder segment (3), the tensioning structure (6) includes a double-threaded screw rod (601), movable adjusting frames (602) are symmetrically threadedly connected to the outer side of the double-threaded screw rod (601), supporting connecting arms (603) are symmetrically rotatably arranged above and below the movable adjusting frames (602), the other end of the lower supporting connecting arm (603) is rotatably provided with a supporting connecting plate (604), and the supporting connecting plate (604) abuts against the second steel box girder segment (3).

6. The three-dimensional fine adjustment system for construction errors in hoisting steel box girder segments according to claim 1, characterized in that, The top of the second steel box girder segment (3) is provided with a posture adjustment component (7), and the posture adjustment component (7) comprises a lifting bearing plate (701), a ring-shaped platform (702) is fixedly provided at the bottom end of the lifting bearing plate (701), a gear ring platform (705) is rotatably provided inside the ring-shaped platform (702), an adjustment motor (703) is fixedly provided at the top of the lifting bearing plate (701), a driving gear (704) is fixedly provided at the driving end of the adjustment motor (703), and the driving gear (704) is meshedly provided on the inner side of the gear ring platform (705), the gear ring platform (705) is fixedly connected to the adjustment hanging plate (707) through a connecting column (706), and the adjustment hanging plate (707) is fixedly connected to the second steel box girder segment (3) through a receiving steel cable (708).

7. The three-dimensional fine adjustment system for construction error of steel box girder segment hoisting according to claim 6, characterized in that, The adjusting hanging plate (707) is rotatably connected to the supporting arm (603), and the adjusting motor (703) is electrically connected to the control module (901).

8. The three-dimensional fine adjustment system for construction errors in hoisting steel box girder segments according to claim 6, characterized in that, A fall prevention structure (8) is arranged above the lifting bearing plate (701), and the fall prevention structure (8) comprises a fixed component (801), and four fixed components (801) are evenly distributed on the circumference, and a receiving block (802) is fixedly arranged between the fixed components (801), and a vertical steel column (803) is fixedly arranged on the top of the receiving block (802), and a speed reduction block (804) is fixedly arranged on the outer side of the vertical steel column (803), and a speed reduction pattern (8041) is arranged on the outer side of the speed reduction block (804), and a pulley (808) is rotatably arranged on the side of the fixed components (801) close to each other, and a lifting steel cable (810) is overlapped on the outer side of the pulley (808), and the lifting steel cable (810) is fixedly arranged at the four corners of the top of the lifting bearing plate (701), and the vertical steel column (803) and the lifting steel cable (810) are externally connected to the lifting equipment.

9. The three-dimensional fine adjustment system for construction errors in hoisting steel box girder segments according to claim 8, characterized in that, A slave rotating wheel (806) is provided on one side of the fixed component (801), an inner rotating wheel (8062) is provided on the inner side of the slave rotating wheel (806), the inner rotating wheel (8062) is coaxially connected to the pulley (808), a plurality of locking grooves (8061) are provided on the inner side of the slave rotating wheel (806), a slide groove (8063) is symmetrically provided on the outer side of the inner rotating wheel (8062), a locking block (8064) is slidably provided on the inner side of the slide groove (8063), a return spring (8065) ​​is fixedly provided on one side of the lock block (8064), the return spring (8065) ​​is fixedly provided on the inner side of the slide groove (8063), and a cable-resisting pressure plate (809) is fixedly provided on the outer side of the slave rotating wheel (806).

10. The three-dimensional fine adjustment system for construction error of steel box girder segment hoisting according to claim 9, wherein A terminal rotary cover (807) is fixedly provided at the end of the rotating wheel (806), and a fixed support plate (805) is rotatably provided at the other end of the terminal rotary cover (807), and the fixed support plate (805) is fixedly connected to the fixed component (801).

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