All-weather positioning and adjusting method for cable clamp of suspension bridge

Abstract

The invention relates to a suspension bridge cable clamp all-weather positioning and adjusting method, and belongs to the technical field of suspension bridge cable clamp positioning. Comprising the steps that the first actual horizontal distance between a cable clamp and a first anchor and the second actual horizontal distance between the cable clamp and a second anchor are obtained, the first anchor is located on the side, away from a second tower column, of a first tower column, and the second anchor is located on the side, away from the first tower column, of the second tower column; based on the first actual horizontal distance, the second actual horizontal distance and the central horizontal distance of the first anchorage and the second anchorage, a first actual adjustment horizontal distance obtained after the first actual horizontal distance is corrected and a second actual adjustment horizontal distance obtained after the second actual horizontal distance is corrected are obtained; and adjusting the cable clamp based on the first actual adjustment horizontal distance, the second actual adjustment horizontal distance and the theoretical design position of the cable clamp. According to the method, the incidence relation between the cable clamp and the first anchorage and the incidence relation between the cable clamp and the second anchorage are established, the fixed anchorage center serves as the cable clamp positioning reference, and a stable reference is provided for all-weather cable clamp positioning.

Description

Technical Field

[0001] This application relates to the technical field of positioning of cable clamps for suspension bridges, and particularly relates to an all-weather positioning and adjustment method for cable clamps of suspension bridges. Background Art

[0002] The construction of suspension bridges is often a large-scale and high-efficiency engineering project that needs to be completed within a predetermined time frame. As a key component connecting the main cable and the main beam, in order to ensure the smooth progress of the construction, the cable clamp needs to be positioned and measured at any time throughout the day according to the construction progress requirements to adjust the position of the cable clamp in real time.

[0003] Traditional cable clamp positioning measurement generally uses the polar coordinate measurement method with a total station instrument erected on the top of the tower, that is, the cable clamp is positioned and measured based on the center of the tower column. However, affected by the deformation of the tower column with temperature changes, it is necessary to measure at night when the temperature change is small, and it is difficult to perform continuous positioning measurement for 24 hours throughout the day, which restricts the construction period of cable clamp installation. At the same time, only using the distance between the main towers that changes with temperature as the control basis for cable clamp positioning measurement, there is no closed-loop control measurement with a known fixed distance, and the measurement error is relatively large. Summary of the Invention

[0004] The embodiments of this application provide an all-weather positioning and adjustment method for cable clamps of suspension bridges to solve the defects of low positioning measurement efficiency and low accuracy in traditional cable clamp positioning measurement in related technologies.

[0005] The embodiments of this application provide an all-weather positioning and adjustment method for cable clamps of suspension bridges, including the following steps: obtaining the first actual horizontal distance between the cable clamp and the first anchor block, and the second actual horizontal distance between the cable clamp and the second anchor block, where the first anchor block is located on one side of the first tower column away from the second tower column, and the second anchor block is located on one side of the second tower column away from the first tower column; obtaining the first actual adjusted horizontal distance after correcting the first actual horizontal distance and the second actual adjusted horizontal distance after correcting the second actual horizontal distance based on the first actual horizontal distance, the second actual horizontal distance, and the center horizontal distance between the first anchor block and the second anchor block; adjusting the cable clamp based on the first actual adjusted horizontal distance, the second actual adjusted horizontal distance, and the theoretical design position of the cable clamp.

[0006] In some embodiments, obtaining the first actual horizontal distance between the cable clamp and the first anchor block specifically includes the following steps: installing a first total station instrument on the center of the top surface of the first tower column; using the first total station instrument to measure the actual horizontal distance L'1 from the center of the top surface of the first tower column to the center of the first anchor block; using the first total station instrument to measure the actual horizontal distance L' from the center of the top surface of the first tower column to the center of the cable clamp. 21 ; Based on L1 and L 21 , obtain the first actual horizontal distance L' A索

[0007] In some embodiments, using a first total station, the actual horizontal distance L' from the center of the top surface of the first tower column to the center of the cable clamp is measured. 21 Specifically, it includes: installing a third prism and a fourth prism on the outer walls of the centers on both sides of the cable clamp in the transverse direction of the bridge; using the first total station to measure the actual horizontal distances from the center of the top surface of the first tower column to the third prism and the fourth prism on the outer walls on both sides of the center of the cable clamp; taking the average value of the actual horizontal distances from the center of the top surface of the first tower column to the third prism and the fourth prism on the outer walls on both sides of the center of the cable clamp as the actual horizontal distance L' from the center of the first tower column to the center of the cable clamp. 21 .

[0008] In some embodiments, obtaining the second actual horizontal distance between the cable clamp and the second anchor includes the following steps: installing a second total station on the center of the top surface of the second tower column; using the second total station to measure the actual horizontal distance L'3 from the center of the top surface of the second tower column to the center of the second anchor; using the second total station to measure the actual horizontal distance L' from the center of the top surface of the second tower column to the center of the cable clamp. 22 ; Based on L'3 and L' 22 , obtain the second actual horizontal distance L'. D索

[0009] In some embodiments, using a second total station, the actual horizontal distance L' from the center of the top surface of the second tower column to the center of the cable clamp is measured. 22 Specifically, it includes: using the second total station to measure the actual horizontal distances from the center of the top surface of the second tower column to the third prism and the fourth prism on the outer walls on both sides of the center of the cable clamp; taking the average value of the actual horizontal distances from the center of the top surface of the second tower column to the third prism and the fourth prism on the outer walls on both sides of the center of the cable clamp as the actual horizontal distance L' from the center of the second tower column to the center of the cable clamp. 22 .

[0010] In some embodiments, based on the first actual horizontal distance, the second actual horizontal distance, and the center horizontal distance between the first anchor and the second anchor, obtaining the first actual adjusted horizontal distance after correcting the first actual horizontal distance and the second actual adjusted horizontal distance after correcting the second actual horizontal distance includes: based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the center horizontal distance between the first anchor and the second anchor, obtaining the correction value ΔL' of the first actual horizontal distance A索 and the correction value ΔL' of the second actual horizontal distance D索 ; Based on the correction value ΔL' of the first actual horizontal distance A索 and the first actual horizontal distance L' A索 , obtaining the first actual adjusted horizontal distance L' A索平; The correction value ΔL' based on the second actual adjustment D索 and the second actual horizontal distance L' D索 , to obtain the second actual adjusted horizontal distance L' D索平 .

[0011] In some embodiments, based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the central horizontal distance between the first anchor and the second anchor, to obtain the correction value ΔL' of the first actual horizontal distance A索 , specifically including: based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the central horizontal distance between the first anchor and the second anchor, to obtain the observed deviation ΔL between the centers of the first anchor and the second anchor; based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the observed deviation ΔL, to obtain the correction value ΔL' of the first actual horizontal distance A索 .

[0012] In some embodiments, based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the central horizontal distance between the first anchor and the second anchor, to obtain the correction value ΔL' of the second actual horizontal distance D索 , specifically including: based on the first actual horizontal distance L' A索 and the second actual horizontal distance L' D索 and the central horizontal distance between the first anchor and the second anchor, to obtain the observed deviation ΔL between the centers of the first anchor and the second anchor; based on the first actual horizontal distance L' A索 and the second actual horizontal distance L' D索 and the observed deviation ΔL, to obtain the correction value ΔL' of the second actual horizontal distance D索 .

[0013] In some embodiments, when installing the cable clamp, align the zenith line of the cable clamp with the zenith wire of the main cable to keep them consistent, and the cable clamp twists horizontally with the main cable according to the temperature difference change.

[0014] In some embodiments, the horizontal distance ranging error caused by the horizontal twist of the cable clamp is negligible.

[0015] The beneficial effects brought by the technical solution provided by this application include:

[0016] The embodiment of the present application provides a method for all-weather positioning and adjustment of the cable clamp of a suspension bridge. Since the theoretical horizontal distance between the first anchor center and the second anchor center remains unchanged with temperature changes, therefore, in the case of longitudinal displacement changes of the tower column throughout the day and night, based on the condition that the theoretical horizontal distance between the first anchor center and the second anchor center remains unchanged with temperature changes, it is possible to obtain the first actual horizontal distance between the cable clamp and the first anchor and the second actual horizontal distance between the cable clamp and the second anchor at any time of 24 hours a day according to the construction progress requirements. Adjust the installation deviation according to the first actual horizontal distance and the second actual horizontal distance and the designed position of the cable clamp, and correct the installation position of the cable clamp according to the installation deviation to complete the positioning of the cable clamp, while ensuring all-weather positioning of the cable clamp, greatly improving the positioning accuracy and efficiency of the cable clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the positioning and adjustment of the cable clamp of the suspension bridge provided by the embodiment of the present application;

[0019] Figure 2 It is a schematic diagram showing the cable clamp provided by the embodiment of the present application.

[0020] Reference numerals:

[0021] 1. Cable clamp; 10. Third prism; 11. Fourth prism; 2. First anchor; 20. First prism; 3. Second anchor; 30. Second prism; 4. First tower column; 5. Second tower column; 6. First total station; 7. Second total station; 8. Main cable. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In order to make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0023] The embodiment of the present application provides a method for all-weather positioning and adjustment of the cable clamp of a suspension bridge, which can solve.

[0024] See Figures 1 to 2As shown in the figure, an all-weather positioning and adjustment method for a suspension bridge cable clamp is provided in an embodiment of the present application, including the following steps: obtaining a first actual horizontal distance between the cable clamp 1 and the first anchor block 2, and a second actual horizontal distance between the cable clamp 1 and the second anchor block 3, where the first anchor block 2 is located on a side of the first tower column 4 away from the second tower column 5, and the second anchor block is located on a side of the second tower column 5 away from the first tower column 4; based on the first actual horizontal distance, the second actual horizontal distance, and the center horizontal distance between the first anchor block 2 and the second anchor block 3, obtaining a first actual adjusted horizontal distance after correcting the first actual horizontal distance and a second actual adjusted horizontal distance after correcting the second actual horizontal distance; adjusting the cable clamp 1 based on the first actual adjusted horizontal distance, the second actual adjusted horizontal distance, and the theoretical design position of the cable clamp 1.

[0025] During the installation and construction of the suspension bridge cable clamp 1, since the suspension bridge is a large-scale structure, its stability and safety are of crucial importance. The positioning accuracy of the cable clamp 1 directly affects the overall performance and lifespan of the bridge. In order to ensure that the cable clamp 1 can accurately and firmly connect the main cable 8 and the main beam, precise measurement techniques need to be adopted, and positioning measurements should be carried out at all times throughout the day to minimize errors and meet the construction progress requirements. During all-weather measurement construction, the main cables 8 and the cable clamp 1 at the tops of the first tower column 4 and the second tower column 5 of the suspension bridge are affected by various factors such as environmental temperature and wind force, resulting in relatively large displacements. Such deformations may exhibit different characteristics at different time periods. For example, the temperature difference between day and night may cause relatively large displacements at the tops of the first tower column 4 and the second tower column 5.

[0026] Therefore, in the present application, by obtaining the first actual horizontal distance and the second actual horizontal distance, and then based on the first actual horizontal distance, the second actual horizontal distance, and the center horizontal distance between the first anchor block 2 and the second anchor block 3, a first actual adjusted horizontal distance after correcting the first actual horizontal distance and a second actual adjusted horizontal distance after correcting the second actual horizontal distance are obtained. In this operation, the horizontal distance deviation caused by factors such as measurement errors and structural deformations is eliminated through correction, obtaining more accurate first and second actual adjusted horizontal distances. Through the corrected first and second actual adjusted horizontal distances, the actual position of the cable clamp 1 in the structure can be determined more accurately. It provides a more reliable basis for the subsequent adjustment of the cable clamp 1, ensuring that the position of the adjusted cable clamp 1 meets the design requirements. Based on the fixed centers of the first anchor block 2 and the second anchor block 3 as the positioning reference for the cable clamp 1, it solves the uncertainty problem of positioning the cable clamp 1 with the tower column center as the traditional reference, provides a stable reference for positioning the cable clamp 1 at all times throughout the day due to construction progress requirements, and while ensuring that the cable clamp 1 can be positioned at all times throughout the day to meet the construction progress needs, greatly improves the positioning accuracy and efficiency of the cable clamp 1.

[0027] In this application, obtaining the first actual horizontal distance between the cable clamp 1 and the first anchor block 2 specifically includes the following steps: First, install the first total station 6 at the center of the top surface of the first tower column 4; using the first total station 6, measure the actual horizontal distance L'1 of the center of the top surface of the first tower column 4, where a first prism 20 is installed at the center of the first anchor block 2, and the first total station 6 measures the actual horizontal distance L'1 from the center point of the top surface of the first tower column 4 to the first prism 20 at the center of the first anchor block 2; next, also use the first total station 6 to measure the actual horizontal distance L' from the center of the top surface of the first tower column 4 to the center of the cable clamp 1 21 ; finally, based on L1 and L 21 , obtain the first actual horizontal distance L' A索 . Measuring the first actual horizontal distance can accurately determine the position of the cable clamp 1 in the bridge structure and provide reliable measurement data for positioning and adjusting the installation of the cable clamp 1

[0028] In this application, in order to weaken the horizontal distance ranging error caused by the cable clamp 1 twisting horizontally with the main cable 8 according to temperature difference changes, therefore, use the first total station 6 to measure the actual horizontal distance L' from the center of the top surface of the first tower column 4 to the center of the cable clamp 1 21 Specifically, it includes: respectively install the third prism 10 and the fourth prism 11 on the outer walls of the centers on both sides of the cable clamp 1 in the transverse direction of the bridge; then use the first total station 6 to measure the actual horizontal distances from the center of the top surface of the first tower column 4 to the third prism 10 and the fourth prism 11 on the outer walls on both sides of the center of the cable clamp 1; then take the average value of the actual horizontal distances from the center of the top surface of the first tower column 4 to the third prism 10 and the fourth prism 11 on the outer walls on both sides of the center of the cable clamp 1 as the actual horizontal distance L' from the center of the first tower column 4 to the center of the cable clamp 1 21 .

[0029] In this application, obtaining the second actual horizontal distance between the cable clamp 1 and the second anchor block 3 includes the following steps: install the second total station 7 at the center of the top surface of the second tower column 5; using the second total station 7, measure the actual horizontal distance L'3 from the center of the top surface of the second tower column 5 to the center of the second anchor block 3, where a second prism 30 is installed at the center of the top surface of the second anchor block 3, and the second total station 7 measures the actual horizontal distance L'3 from the center of the top surface of the second tower column 5 to the second prism 30 at the center point of the second anchor block 3; then use the second total station 7 to measure the actual horizontal distance L' from the center of the top surface of the second tower column 5 to the center of the cable clamp 1 22 ; finally, based on L'3 and L' 22 , obtain the second actual horizontal distance L' D索 .

[0030] Similarly, to improve the measurement accuracy, use the second total station 7 to measure the actual horizontal distance L' from the center of the top surface of the second tower column 5 to the center of the cable clamp 1 22Specifically, it includes: using the second total station 7 to measure the actual horizontal distances from the center of the top surface of the second tower column 5 to the third prism 10 and the fourth prism 11 on the outer walls on both sides of the center of the cable clamp 1 respectively; taking the average value of the actual horizontal distances from the center of the top surface of the second tower column 5 to the third prism 10 and the fourth prism 11 on the outer walls on both sides of the center of the cable clamp 1 respectively as the actual horizontal distance L' from the center of the second tower column 5 to the center of the cable clamp 1 22 .

[0031] In this application, based on the first actual horizontal distance, the second actual horizontal distance, and the center horizontal distance between the first anchor block 2 and the second anchor block 3, obtaining the first actually adjusted horizontal distance after correcting the first actual horizontal distance and the second actually adjusted horizontal distance after correcting the second actual horizontal distance includes: based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the center horizontal distance between the first anchor block 2 and the second anchor block 3, obtaining the correction value ΔL' of the first actual horizontal distance A索 and the correction value ΔL' of the second actual horizontal distance D索 ; then based on the correction value ΔL' of the first actual horizontal distance A索 and the first actual horizontal distance L' A索 , obtaining the first actually adjusted horizontal distance L' A索平 ; finally, based on the correction value ΔL' of the second actual adjustment D索 and the second actual horizontal distance L' D索 , obtaining the second actually adjusted horizontal distance L' D索平 .

[0032] Among them, based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the center horizontal distance between the first anchor block 2 and the second anchor block 3, obtaining the correction value ΔL' of the first actual horizontal distance A索 , specifically includes: first, based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the center horizontal distance between the first anchor block 2 and the second anchor block 3, obtaining the observed deviation ΔL between the centers of the first anchor block 2 and the second anchor block 3, using the calculation formula for the observed deviation ΔL: ΔL = L' A索 +L' D索 -L AD , where L AD represents the center horizontal distance between the first anchor block 2 and the second anchor block 3, and this center horizontal distance is measured and obtained on the ground; then based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the observed deviation ΔL, obtaining the correction value ΔL' of the first actual horizontal distance A索 , using the formula to calculate the correction value ΔL' of the first actual horizontal distance A索 :

[0033] In this application, based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the central horizontal distance between the first anchor 2 and the second anchor 3, the correction value ΔL' of the second actual horizontal distance is obtained D索 , specifically including: based on the first actual horizontal distance L' A索 and the second actual horizontal distance L' D索 and the central horizontal distance between the first anchor 2 and the second anchor 3, the observed deviation ΔL between the centers of the first anchor 2 and the second anchor 3 is obtained, and the calculation formula for the observed deviation ΔL is: ΔL = L' A索 +L' D索 -L AD , where L AD represents the central horizontal distance between the first anchor 2 and the second anchor 3; then based on the first actual horizontal distance L' A索 and the second actual horizontal distance L' D索 and the observed deviation ΔL, the correction value ΔL' of the second actual horizontal distance is obtained D索 , and the correction value of the second actual horizontal distance is calculated using the formula:

[0034] Finally, in this application, based on the correction value ΔL' of the first actual horizontal distance A索 and the first actual horizontal distance L' A索 , the first actual adjusted horizontal distance L' A索平 is obtained, and the first actual adjusted horizontal distance L' A索平 is calculated using the formula: L' A索平 =L' A索 -ΔL' A索 ; also based on the correction value ΔL' of the second actual adjustment D索 and the second actual horizontal distance L' D索 , the second actual adjusted horizontal distance L' D索平 is obtained, and the second actual adjusted horizontal distance L' D索平 is calculated using the formula: L' D索平 =L' D索 -ΔL' D索 .

[0035] Finally, based on the first actual adjusted horizontal distance L' A索平 and the second actual adjusted horizontal distance L' D索 , the adjusted position of the cable clamp 1 is obtained and compared with its theoretical design position. Here, the first actual adjusted horizontal distance L' A索平 or the second actual adjusted horizontal distance L' D索Any numerical value can be used, and then the deviation between the adjusted position of the cable clamp 1 and its theoretical position can be obtained, and the cable clamp 1 is adjusted to be in place according to the deviation. By establishing the correlation relationship between the center of the cable clamp 1, the center of the first anchor 2 and the center of the second anchor 3, and taking the fixed anchor center as the positioning reference for the cable clamp 1, the uncertainty problem of positioning the cable clamp 1 with the tower column center as the reference in the traditional method is solved, providing a stable reference for positioning the cable clamp 1 all-weather.

[0036] In this application, when installing the cable clamp 1, align the zenith line of the cable clamp 1 with the zenith wire of the main cable 8 and keep them consistent, which can ensure the accurate position of the cable clamp 1 on the main cable 8, thus avoiding structural instability caused by position deviation. Moreover, the cable clamp 1 twists laterally with the main cable 8 according to the temperature difference. Due to the different material thermal expansion coefficients of the main cable 8 and the cable clamp 1, temperature changes will cause relative displacement between the main cable 8 and the cable clamp 1. The cable clamp 1 can twist laterally with the main cable 8, which can adapt to this displacement caused by temperature changes and avoid structural damage caused by excessive displacement. In addition, the flat distance ranging error caused by the lateral twist of the cable clamp 1 can be ignored because, under normal circumstances, the lateral twist angle of the cable clamp 1 with the main cable 8 is relatively small, so the flat distance ranging error caused by the twist is also small, and this error is usually acceptable in bridge design and construction.

[0037] In the description of this application, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation of this application. Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] It should be noted that in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0039] The above are only specific embodiments of the present application, enabling those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but rather will be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A method for all-weather positioning and adjustment of cable clips of a suspension bridge, characterized in that Including the following steps: Obtain the first actual horizontal distance between the cable clamp (1) and the first anchor (2), and the second actual horizontal distance between the cable clamp (1) and the second anchor (3), where the first anchor (2) is located on the side of the first tower column (4) away from the second tower column (5), and the second anchor is located on the side of the second tower column (5) away from the first tower column (4); Based on the first actual horizontal distance, the second actual horizontal distance, and the center horizontal distance between the first anchor (2) and the second anchor (3), obtain the first actual adjusted horizontal distance after correcting the first actual horizontal distance and the second actual adjusted horizontal distance after correcting the second actual horizontal distance; Adjust the cable clamp (1) based on the first actual adjusted horizontal distance, the second actual adjusted horizontal distance, and the theoretical design position of the cable clamp (1).

2. The all-weather positioning and adjustment method of a suspension bridge cable clamp according to claim 1, characterized in that: Obtaining the first actual horizontal distance between the cable clamp (1) and the first anchor (2) specifically includes the following steps: Install the first total station (6) on the top center of the first tower column (4); Using the first total station (6), measure the actual horizontal distance L'1 from the top center of the first tower column (4) to the center of the first anchor (2); Using the first total station (6), measure the actual horizontal distance L' from the center of the top surface of the first tower column (4) to the center of the cable clamp (1). 21 ; Based on L1 and L 21 , obtain the first actual horizontal distance L' A索 .

3. The all-weather positioning and adjustment method of a suspension bridge cable clamp according to claim 2, characterized in that: Using the first total station (6), measure the actual horizontal distance L' from the center of the top surface of the first tower column (4) to the center of the cable clamp (1). 21 Specifically including: Install the third prism (10) and the fourth prism (11) on the outer walls of the centers on both sides of the cable clamp (1) in the transverse bridge direction respectively; Using the first total station (6), measure the actual horizontal distances from the top center of the first tower column (4) to the third prism (10) and the fourth prism (11) on the outer walls of both sides of the center of the cable clamp (1) respectively; Take the average value of the actual horizontal distances from the center of the top surface of the first tower column (4) to the third prism (10) and the fourth prism (11) on the outer walls on both sides of the center of the cable clamp (1) as the actual horizontal distance L' from the center of the first tower column (4) to the center of the cable clamp (1). 21 .

4. A method for all-weather positioning and adjustment of a cable clamp of a suspension bridge according to claim 3, characterized in that: Obtaining the second actual horizontal distance between the cable clamp (1) and the second anchor (3) includes the following steps: Install the second total station (7) on the top center of the second tower column (5); Using the second total station (7), measure the actual horizontal distance L'3 from the top center of the second tower column (5) to the center of the second anchor (3); Using the second total station instrument (7), measure the actual horizontal distance L' from the center of the top surface of the second tower column (5) to the center of the cable clamp (1). 22 ; Based on L'3 and L' 22 , obtain the second actual horizontal distance L' D索 .

5. A method for all-weather positioning and adjustment of a cable clip of a suspension bridge according to claim 4, characterized in that: Using the second total station (7), measure the actual horizontal distance L' from the center of the top surface of the second tower column (5) to the center of the cable clamp (1). 22 Specifically including: Using the second total station (7), measure the actual horizontal distances from the top center of the second tower column (5) to the third prism (10) and the fourth prism (11) on the outer walls of both sides of the center of the cable clamp (1) respectively; Take the average value of the actual horizontal distances from the center of the top surface of the second tower column (5) to the third prism (10) and the fourth prism (11) on the outer walls on both sides of the center of the cable clamp (1) as the actual horizontal distance L' from the center of the second tower column (5) to the center of the cable clamp (1). 22 .

6. The all-weather positioning and adjustment method of a suspension bridge cable clamp according to claim 1, wherein: Based on the first actual horizontal distance, the second actual horizontal distance, and the center horizontal distance between the first anchor (2) and the second anchor (3), obtaining the first actual adjusted horizontal distance after correcting the first actual horizontal distance and the second actual adjusted horizontal distance after correcting the second actual horizontal distance includes: Based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the center horizontal distance between the first anchor (2) and the second anchor (2), obtain the correction value ΔL' of the first actual horizontal distance A索 and the correction value ΔL' of the second actual horizontal distance D索 ; Correction value ΔL' based on the first actual horizontal distance A索 and the first actual horizontal distance L' A索 , obtain the first actual adjusted horizontal distance L' A索平 ; Correction value ΔL' based on the second actual adjustment D索 and the second actual horizontal distance L' D索 , the second actual adjusted horizontal distance L' is obtained D索平 .

7. A method for all-weather positioning and adjustment of a cable clamp of a suspension bridge according to claim 6, characterized in that: Based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the center horizontal distance between the first anchor (2) and the second anchor (3), obtain the correction value ΔL' of the first actual horizontal distance A索 , specifically including: Based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the central horizontal distance between the first anchor (2) and the second anchor (3), obtain the observed deviation ΔL between the centers of the first anchor (2) and the second anchor (3); Based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the observation deviation ΔL, obtain the correction value ΔL' of the first actual horizontal distance A索 .

8. The all-weather positioning and adjustment method of a suspension bridge cable clamp according to claim 6, characterized in that: Based on the first actual horizontal distance L' A索 , the second actual horizontal distance L' D索 and the center horizontal distance between the first anchor (2) and the second anchor (3), obtain the correction value ΔL' of the second actual horizontal distance D索 , specifically including: Based on the first actual horizontal distance L' A索 and the second actual horizontal distance L' D索 and the center horizontal distance between the first anchor (2) and the second anchor (3), obtain the observed deviation ΔL between the centers of the first anchor (2) and the second anchor (3); Based on the first actual horizontal distance L' A索 and the second actual horizontal distance L' D索 and the observation deviation ΔL, obtain the correction value ΔL' of the second actual horizontal distance D索 .

9. The all-weather positioning and adjustment method of a suspension bridge cable clamp according to claim 1, characterized in that: When installing the cable clamp (1), align the zenith line of the cable clamp (1) with the zenith wire of the main cable (8) and keep them consistent. The cable clamp (1) twists horizontally together with the main cable (8) according to the temperature difference change.

10. A method for all-weather positioning and adjustment of a cable clamp of a suspension bridge according to claim 9, characterized in that: The horizontal distance ranging error caused by the horizontal twist of the cable clamp (1) is negligible.

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