248results about "Suspension bridge" patented technology

The present application belongs to the technical field of suspension bridge cable saddle grid plane construction, and relates to a suspension bridge cable saddle grid flatness rapid synchronous leveling system and method based on machine vision, and the leveling method comprises the following steps: S1, determining the number of leveling point positions and arranging a leveling tool at each leveling point position; S2, arranging a visual monitoring camera and a target, and ensuring that the target and the visual monitoring camera are in the same plane; S3, determining the target height value of each leveling tool; S4, obtaining the initial height value of each leveling tool and calculating the leveling rate of each leveling tool; and S42, synchronously leveling the height of each leveling point position according to the leveling rate of each leveling tool. Through real-time dynamic monitoring and control of the leveling tool, the present application realizes rapid leveling, has high leveling accuracy, ensures synchronous leveling, and improves leveling efficiency.

The invention discloses a performance-based fire-resistant design method for a cable system of a large-span suspension bridge. The method comprises the steps of bridge fire-resistant category division, fire intensity division, fire-resistant target determination, adverse fire scene determination, fire response calculation, fire-resistant checking calculation, fire-resistant protection and the like. The bridge fire-resistant category, the fire intensity, the fire-resistant performance and the fire-resistant target are all divided into three levels. The adverse fire scene is determined based on the fire type, fire combustion mode, fire position, wind speed and wind direction influence and combined with the structure stress state; fire response is calculated through thermal-mechanical coupling by adopting a finite element method; the fire-resistant checking calculation can adopt a design method based on overall structure fire-resistant checking calculation or component fire-resistant checking calculation; and when the fire-resistant checking calculation of each component of the cable system does not meet the fire-resistant target, fire-resistant protection design is carried out, and a fire-resistant protection scheme is designed by combining tests and numerical simulation. The fire-resistant design method based on the performance of the suspension bridge cable system is constructed, and reference can be provided for fire-resistant design of the suspension bridge.

The invention provides a suspension bridge cable clamp digital twin system based on wireless intelligent washers, and belongs to the crossing field of bridge engineering and intelligent monitoring technologies. According to the system, a wireless intelligent gasket is used as a core sensing unit, finite element analysis, a neural network agent model and a three-dimensional visualization technology are combined, and real-time mapping of a cable clamp physical entity and a virtual model is constructed; the system obtains data such as wireless intelligent gasket pressure, cable clamp-main cable friction force, cable clamp displacement and cable clamp structure node stress and strain through finite element analysis under different working conditions, and a parameter mapping proxy model is formed by training a mapping relation between the gasket pressure and other parameters through a neural network. And relevant models and data are developed and integrated by means of an Unreal Engine engine, and visualized real-time rendering is carried out, so that bolt fastening control in a construction stage and / or structural health monitoring in an operation and maintenance stage are / is realized. According to the system, digital management and control of the full life cycle of the cable clamp can be realized, and the monitoring precision and the engineering economy are remarkably improved.

The invention discloses a linear variation stiffness matrix method for suspension bridge space cable forming form finding, relates to the technical field of bridge numerical simulation, and solves the defects of a stiffness matrix in the process of solving the suspension bridge forming form finding through a segmented catenary method. The method comprises the steps that a suspension bridge is simplified into a space cable system composed of a main span, a side span and an anchor span, and the main span, the side span and the anchor span are sequentially subjected to a bridge forming and shape finding process; the linear change stiffness matrix solved in the bridge forming and shape finding process of the main span is used for representing the linear relation between the displacement change of the control point and the initial force change of the main cable; according to the method, an analytical expression of a linear change stiffness matrix is deduced, and an efficient iterative algorithm is established. According to the algorithm, the initial force correction is directly calculated according to the displacement error of the control point in each iteration.

The application discloses a suspension bridge anchoring system adopting parallel prestressed beams and a construction method thereof, which comprises an anchorage part, a main cable anchor head part and a connecting part, the anchorage part comprises an anchor body, a front anchor backing plate, a rear anchor backing plate, prestressed beams, a front anchor assembly, a rear anchor assembly and parallelly arranged prestressed beam pipelines, the main cable anchor head part comprises a main cable strand, a strand anchor head and a strand connecting plate, and the connecting part comprises a connector, a first pull rod and a second pull rod; the connector comprises a bottom plate, first and second side plates which are vertically and fixedly connected on both sides of the bottom plate; the first and second side plates are hingedly connected with one end of the first and second pull rods along the same rotation axis; the other end of the first and second pull rods is clamped on the upper end surface of the strand connecting plate; and the first and second pull rods are parallelly arranged with the main cable strand. The suspension bridge anchoring system adopting parallel prestressed beams and the construction method thereof can ensure that the stress directions of the pull rods and the main cable strand are consistent, and the construction difficulty is greatly reduced.

The invention provides a self-locking control device for a 2500m-level suspension bridge, a bracket system and a bracket self-locking method, and belongs to the technical field of suspension bridge catwalk construction.The self-locking control device for the 2500m-level suspension bridge comprises a positioning assembly, a magnetic control self-locking mechanism and a microprocessor, the positioning assembly is used for collecting position data of a locked device of a suspension bridge catwalk in real time, and the magnetic control self-locking mechanism is used for receiving the position data of the locked device of the suspension bridge catwalk; the collected position data is transmitted to the microprocessor; the magnetic control self-locking mechanism is used for receiving a control signal of the microprocessor and carrying out magnetic control self-locking or unlocking on a locked device of the suspension bridge catwalk; and the microprocessor is used for receiving the position data of the positioning assembly, generating a self-locking control signal and controlling the magnetic control self-locking mechanism to complete self-locking. The triangular structure of the three-dimensional frame is combined with the two sets of rollers on the single side to clamp the upper side and the lower side of the bracket bearing cable, a double-wheel limiting structure is formed, the wind resistance stability and the bearing capacity are greatly improved, and the problem that an existing plane bracket is prone to shifting or the gravity center is unstable is solved.

The invention relates to an optimization method for a cast-in-place section support of a hybrid beam cable-stayed bridge. The optimization method comprises the following steps that S1, environment parameters needed by modeling, attribute parameters of a bridge and spatial position limiting parameters of the support are determined; s2, determining the overall arrangement of the support; s3, determining arrangement of a box girder inner mold and an inner mold support; s4, determining the arrangement of a box girder outer mold and longitudinal and transverse distribution girders; s5, constructing a single-beam finite element model to carry out bracket overall calculation; s6, determining a preliminary scheme of the support, and establishing a three-dimensional finite element model for mechanical calculation of the support; s7, establishing a support-girder finite element model for cooperative calculation; s8, carrying out support pile foundation design and settlement calculation; s9, the pre-lifting amount of the cast-in-place section support is calculated; and S10, carrying out cast-in-place section support structure design. Safety and stability of the support in the whole construction period of the cable-stayed bridge can be guaranteed.

The utility model provides a plateau canyon large-span railway suspension bridge cable crane anchorage structure which comprises an anchorage arranged in a tunnel anchor hole and provided with a first embedded part used for being connected with a main cable strand and a second embedded part used for being connected with a bearing cable. And the foundation base is arranged in the tunnel anchor hole, and the upper surface of the foundation base is provided with a splay cable saddle used for supporting the main cable strand and a steering cable saddle used for changing the extension direction of the bearing cable. Thus, by arranging the first embedded part and the second embedded part on the anchorage, the main cable strand and the bearing cable can be installed and fixed in the tunnel anchor hole at the same time, the anchoring position of the bearing cable is changed, the construction steps needed for anchoring the bearing cable are effectively reduced, the construction period is shortened, and the overall construction efficiency is improved.

The invention relates to a gravity type anchoring super-long cableway bridge in a complex wind field alpine and canyon area and a construction method, which are characterized by comprising the following construction steps: step 1, construction preparation; step 2, rock anchor cable construction; thirdly, concrete anchorage pier construction is conducted; fourthly, I-shaped steel distribution anchor beams are installed; step 5, mounting a bearing cable; sixthly, a handrail steel rope is installed; seventhly, bridge deck system cross beams are installed; 8, mounting a bridge floor steel wire mesh; ninthly, angle steel guardrails are installed; and tenthly, wind cable construction is conducted. The cableway bridge is constructed above the riverway in the alpine and gorge area of the complex wind field to assist in construction of rigid frame bridge beams and pier columns, and the problems that no construction road exists on cliff walls on the two sides of the riverway, water flow kicks rapidly in the waterlogging period, and transportation of materials, personnel and small construction machines cannot be conducted are solved.

This invention relates to an integrated demolition and construction method for rebuilding a suspension bridge on the same site after demolishing an old rigid frame bridge. The method involves first demolishing the old bridge, then constructing the anchorages, main towers, and side spans of the new suspension bridge, installing the main cables and cable-mounted cranes, and using the cable-mounted cranes to dismantle the closure section of the middle span, the side spans, and the cantilever of the main beam of the middle span of the old bridge, and hoisting the steel box girder of the new suspension bridge. Simultaneously, crawler cranes are used to sequentially dismantle the closure section of the side spans, the cast-in-place section of the side spans, and the side piers of the old bridge. This invention allows for overlapping and simultaneous demolition and construction, which helps shorten the construction period. Utilizing the old bridge deck as a traction platform for the pilot cable of the new suspension bridge across the river does not affect navigation and saves costs. Using the cable-mounted cranes from the new suspension bridge construction for demolition ensures high construction efficiency and safety.

According to the suspension bridge main cable strand erecting method and system, systematized control over erecting of the suspension bridge main cable strand is achieved through the complete processes of cable strand restraining frame installation, double-reference cable strand traction, linear adjustment, stability observation and conventional cable strand erecting. Firstly, the cable strand restraining frames are installed at equal intervals to provide a uniform supporting foundation for the cable strands, it is ensured that loads are distributed reasonably, and the risk of local stress concentration is reduced; the symmetrical arrangement of the double-reference cable strands covers the lower half part area of the main cable, the installation freedom degree of the conventional cable strands is remarkably reduced by adding positioning reference objects, and deviation accumulation caused by insufficient single-reference positioning is avoided; in the stability observation link, the reference state is judged through a preset threshold value, environmental fluctuation interference is eliminated, the long-term reliability of the reference cable strand as a reference is guaranteed, and a solid foundation is laid for subsequent conventional cable strand erection.

The application relates to a catwalk transverse overbridge suitable for a spatial cable suspension bridge and belonging to the technical field of bridge construction, which comprises catwalk portal frames, which are respectively used for being fixed on catwalk main cables on the upstream and downstream of the suspension bridge; a transverse channel, two ends of which are respectively used for connecting the catwalk portal frames on the upstream and downstream of the suspension bridge, and the transverse channel changes the transverse spacing of the catwalk portal frames on the upstream and downstream of the suspension bridge by adjusting the length of the transverse channel. Therefore, the transverse span of the catwalk can be adjusted, the transverse spacing of the catwalk portal frames is adjusted according to the change of the relative distance of the main cable installation on the upstream and downstream of the suspension bridge in the construction process, subsequent installation and construction are facilitated, the construction flexibility is improved, the change of the main cable line shape can be better adapted, the demand of the catwalk arrangement for the spatial cable suspension bridge cable strand erection and spatial cable conversion is met, the variable-spacing main cable construction problem in the construction process of the spatial main cable suspension bridge is solved, the construction efficiency of the spatial cable suspension bridge main cable erection is greatly improved, and the safety and economy in the construction process are ensured.

This invention provides a saddle-shaped cable-beam composite beam for pedestrian suspension bridges, a suspension bridge, and a construction method. The composite beam includes a bridge body, two upper main cables positioned above the bridge body, and two lower main cables positioned below the bridge body. Both the upper and lower main cables are arranged along the length of the bridge body. The two upper and two lower main cables are located on both sides of the bridge body. The two upper main cables are connected to both sides of the bridge body via suspenders in an inverted V-shape. The two lower main cables are connected to both sides of the bridge body via adjustable-length cables. Each cable includes a first cable, with its two ends connected to the lower main cable and the corresponding side of the bridge body, respectively. The first cable is also in a V-shape. This invention utilizes a saddle-shaped cable-beam composite beam to increase the lateral and vertical stiffness of the bridge body, enabling the continued application of pedestrian suspension bridges in the large-span range and continuing to leverage the advantages of large span capacity, thus achieving good economic benefits.

The application discloses a vehicle-mounted large-span emergency mechanical drawbridge, which comprises a carrying vehicle, a vehicle frame arranged on the carrying vehicle, a bearing frame arranged on the vehicle frame, and an end of the vehicle frame being hinged to the bearing frame, and the bearing frame being used for bearing a drawbridge body; the drawbridge body comprises a first bridge deck and a second bridge deck which are hinged to each other, the second bridge deck can be folded above the first bridge deck to form a storage state, the second bridge deck can be unfolded and arranged on the same horizontal plane with the first bridge deck to form a setting state, and the drawbridge body in the setting state can be arranged at a river, a gully or the like as a temporary bridge. The application has the advantages of ingenious structure design and high automation degree, the difficulty of loading and unloading and setting of the drawbridge body is reduced through cooperation of the inclined bearing frame and a winch assembly during bridge setting, the drawbridge body is folded to be stored or unfolded, the span of the drawbridge body is increased while the drawbridge body is conveniently transported, and the drawbridge body can be continuously set to expand the use environment.

The invention discloses suspension bridge steel box girder bridge floor dismantling equipment and method based on fine planing and milling, the equipment comprises a vehicle body, the bottom of the vehicle body is connected with a crawler belt through a hydraulic cylinder, a hydraulic rod is arranged at the bottom of the vehicle body, and a slag conveying device is arranged on the advancing side of the vehicle body; the milling mechanism comprises a fixed frame, a lifting plate and a milling device; the monitoring mechanism comprises a sliding frame, a protection frame, a hardened steel wheel, a first rack and a second gear; the marking mechanism comprises a sliding sleeve, a fixed block, a second rack and a sixth gear; and the lifting motion of the sliding sleeve is controlled by the lifting of the hardened steel wheel through the meshing of the second rack and the sixth gear. The conical head is used for knocking the ground to form a hole, marking liquid flows into the hole, a car following person can conveniently find and stop milling operation in time, the damage condition of the tool bit is found in time, the situation that the damaged tool bit is continuously used for milling is avoided, the milling quality is greatly improved, and the service life of equipment is greatly prolonged.

The invention relates to the technical field of suspension bridge construction, and particularly discloses a cable crane parallel type bearing cable erecting method for suspension bridge steel beam hoisting, which comprises the following steps: step 1, bearing cable anchorage construction: pouring a temporary concrete buttress, and pre-burying a spiral steel pipe between a suspension bridge splay cable saddle anchorage and the temporary concrete buttress to form a bearing cable anchorage; 2, mounting a bearing cable: mounting the bearing cable by using a cable tower of the suspension bridge as a tower frame of the cable crane; a Beidou positioning sensor and a cable force sensor are installed on the bearing cables, the Beidou positioning sensor and the force sensor share data to cooperate and synchronously adjust the cables, and all the bearing cables of the cable group are adjusted to the same height. The technical problems that in the prior art, when bearing cables of a cable crane are of a parallel structure, the height and stress between different bearing cables are difficult to adjust, stress is not uniform, a sports car on the bearing cables deflects, and local stress is too large are solved.

The invention provides a corrugated steel web cantilever assembly and high-precision closure construction method, which comprises the following steps: mounting a corrugated steel web by adopting cantilever assembly, setting a pre-camber according to a model calculation result when the corrugated steel web is processed, and arranging a cable-stayed system in the middle of the corrugated steel web in a cantilever assembly process. And the cantilever line type of the corrugated steel web is finely adjusted through the cable-stayed system before closure. The problems that the construction risk is high and the lower bracket of the cross beam is difficult to dismantle due to the fact that a large bracket needs to be installed and dismantled in the air in traditional bracket method construction are solved, and high-precision closure of corrugated steel web cantilever assembly is achieved.

The large-span bridge three-dimensional vibration control composite damping system comprises a first energy dissipation assembly and a second energy dissipation assembly, the first energy dissipation assembly comprises an outer cylinder, a force transmission column, an axial inhaul cable and a radial inhaul cable, a sliding inner ring is installed on the inner side of the outer cylinder in a sliding mode, and the force transmission column is coaxially assembled in the sliding inner ring; straight radial inhaul cables which are distributed in a radial mode are arranged between the force transmission column and the sliding inner ring, axial inhaul cables which extend axially and are in a loose state are further arranged on the portions, located on the two sides of the radial inhaul cables, in the outer barrel, one end of each axial inhaul cable is connected with the force transmission column, and the other end of each axial inhaul cable is connected with a side plate on the corresponding side of the outer barrel. The axial inhaul cable and the radial inhaul cable are both made of shape memory alloy, and the second energy dissipation assembly comprises an electromagnetic inertial damper. According to the invention, the energy consumption assemblies are arranged in different dimensions, so that longitudinal, transverse and vertical multi-dimensional cooperative vibration control can be realized. In addition, by introducing a grading working strategy of the energy consumption assembly, external loads with different strengths can be controlled.

The application discloses a combined fireproof anti-collision protective cover for bridge cable, and belongs to the technical field of bridge engineering safety protection, which comprises a shell assembly, a fireproof layer and a temperature inspection device, wherein the fireproof layer is arranged on the inner side wall of the shell assembly, the temperature inspection device is arranged on the fireproof layer, and the shell assembly is sleeved on the cable; and the temperature inspection device is arranged on the fireproof layer. The combined mode of the combined steel shell, the fireproof layer and the detection experiment device realizes the strength and heat insulation composite functions, has the bending stiffness for the vehicle collision, avoids the direct stress of the main cable, and forms the visual and traceable evaluation system after the fire event.

The application relates to a saddle suitable for main cable dispersion and relates to the technical field of suspension bridge structures, which comprises a bottom plate arranged at the top of a tower, a plurality of support plates arranged side by side on the upper surface of the bottom plate along the transverse bridge direction, the number of the support plates being the same as the number of side span cable strands, and the height of the plurality of support plates gradually decreasing from the middle to the two sides along the transverse bridge direction, a plurality of saddle grooves respectively arranged at the top of each support plate, each saddle groove containing one side span cable strand, and the length of the plurality of saddle grooves gradually decreasing along the longitudinal bridge direction from the middle to the two sides along the transverse bridge direction. In the application, the end portions of the saddle grooves with different heights on the side span are staggered along the longitudinal bridge direction, so that the plurality of cable strands on the side span are separated out of the saddle along the longitudinal bridge direction after being discharged from the saddle, the cable strands on the side span are conveniently individually wrapped and protected, and the problem that the cable strands on the side span cannot be individually protected in the prior art is solved.

The embodiment of the present application provides a suspension bridge main cable maintenance robot, which is used for improving the stability of the robot in main cable work and comprises a maintenance work part, a climbing part and at least one set of supporting parts. The supporting part comprises a driving mechanism, a connecting block and a rolling mechanism. The climbing part is used for climbing along the component rope of the suspension bridge. First hinges are arranged on the two sides of the climbing part, and the climbing part is hinged with the middle part of the connecting block through the first hinges. One end of the driving mechanism is connected with the first end of the connecting block, and the end of the driving mechanism away from the connecting block is connected with the climbing part, and the driving mechanism is used for driving the connecting block to rotate around the first hinge. The second end of the connecting block is connected with the rolling mechanism, and the rolling mechanism is used for rolling on the surface of the main cable of the suspension bridge. The maintenance work part is arranged on the climbing part or the supporting part and is used for maintaining the main cable. The robot can simultaneously bear the reaction force of the component rope and the main cable of the suspension bridge, the force system is more stable, and shaking and vibration of the robot during work are reduced.

The invention relates to an oval steel main tower lower cross beam closure construction method, and belongs to the technical field of bridge construction. According to the method, one-time hoisting closure is achieved by combining preset tenon-and-mortise structures and active adjustment of tower column displacement. The method comprises the steps that S1, a support is erected on a tower base; s2, tower column sections with regular trapezoidal connectors are installed; s3, installing and tensioning the opposite-pulling system, and actively adjusting the distance between the two tower columns to a designed closure size; s4, a lower beam connector is cut into an inverted trapezoid according to the actual line shape, and a matched mortise and tenon joint is formed; s5, integrally hoisting the lower cross beam to the bracket at one time; s6, a three-way jack is started to finely adjust the lower cross beam, so that the tenon-and-mortise joint is aligned and matched; and S7, temporary fixing is conducted, and welding is completed. The method effectively solves the problems that the closure precision of the oval steel main tower is difficult to control and the efficiency is low, and has the advantages of being high in closure precision, safe in construction and reliable in quality.

The present application relates to the technical field of bridge, and discloses a conveyor trestle, which comprises oppositely arranged bridge towers, at least two load-bearing main cables, multiple groups of sling structures, load-bearing crossbeams and support beams. The top of the sling structure is elastically connected with the load-bearing main cable, and / or the bottom of the sling structure is elastically connected with the load-bearing crossbeam. The conveyor trestle with the structure is a suspension structure, has a light self-weight, can effectively increase the span of the trestle, realize long-distance crossing, reduce the construction difficulty, is convenient to construct, has good adaptability to the construction engineering of the conveyor trestle, has low construction cost, and has good overall economic benefits of the conveyor trestle. The overall stress of the conveyor trestle is simple, and the conveyor trestle is easy to implement. The sling structure is elastically connected with at least one of the load-bearing main cable and the load-bearing crossbeam, can effectively reduce the vibration of the conveyor trestle under the operation of the conveyor, vertical earthquake and wind load, and improve the stability and safety of the overall structure of the trestle.

The invention provides a self-anchored suspension bridge cable-stayed method bridge forming calculation method and a construction method thereof. The self-anchored suspension bridge cable-stayed method bridge forming calculation method comprises the following steps that firstly, stay cable tensioning force Tn and stay cable anchoring point positions of a temporary cable-stayed bridge are determined; 2, calculating the unstressed length 10 of a stay cable steel strand according to the stay cable tensioning force Tn for mounting the stay cable and the position of an anchoring point of the stay cable; thirdly, the steel strand tensioning force Ti, the safety coefficient Ki, the steel strand extension amount delta i and the stay cable force Ti in the one-by-one steel strand installation process are calculated; and 4, calculating the cable force T of the stay cable after the temporary cable-stayed bridge is converted into tensioning or unloading of the stay cable in the self-anchored suspension bridge system, when the stay cable needs to be tensioned, the tensioning is completed by increasing the number of the steel strands according to the step 3, and when the stay cable needs to be unloaded, the tensioning is completed by reducing the number of the stressed steel strands or adjusting a certain steel strand. According to the calculation method, the construction safety, efficiency and reliability are improved, and meanwhile the construction cost is reduced.

The invention relates to a device for erecting a main cable in a limited site, and relates to the technical field of suspension bridge main cable erecting construction, and the device comprises a cable releasing mechanism which is used for releasing the main cable; the traction mechanism comprises a traction cable and a driving unit, the traction cable is used for being connected with the main cable, and the driving unit is connected with the traction cable and used for driving the traction cable to move so as to drive the main cable to move; a horizontal roller and a vertical roller are arranged in the rotary portal frame, the traction cable penetrates through the horizontal roller and the vertical roller in the rotary portal frame, and the rotary portal frame is used for deflecting the traction cable; the first portal frame and the rotary portal frame are arranged in a spaced mode, a steering guide wheel set is arranged on the first portal frame, the traction cable penetrates through the steering guide wheel set, and the steering guide wheel set is used for deflecting the traction cable. Due to the fact that the rotary portal frame is used for deflecting the traction cable and the steering guide wheel set is used for deflecting the traction cable, secondary angle deflection is conducted on the traction cable under the combined action of the rotary portal frame and the steering guide wheel set, the main cable is smoothly erected according to the designed line shape, and the stability of main cable erection is higher.

This invention discloses a suspension bridge cable, installation structure, and installation method, belonging to the technical field of suspension bridge cable structures. It includes a straddle section and two sets of suspended sections. The straddle section has a U-shaped structure with its U-shaped opening facing downwards, used to straddle the cable clamps of the main cable. The bottom of the U-shape of the straddle section is used for fixed connection with the upper end of the cable clamp. Both sets of suspended sections are arranged vertically. Each set of suspended sections has an upper connector at its upper end for detachable connection with the end of the straddle section, and a lower connector at its lower end for connection with the steel beam. The installation structure includes a tower top gantry, a zenith trolley, and a second lifting device, used for installing the straddle section and the suspended sections, respectively. The installation method involves first installing the straddle section, then vertically lifting the suspended sections and connecting them to the straddle section. This invention simplifies the cable installation process, reduces the difficulty of high-altitude operations, and improves installation efficiency by modularizing the cable design and using a dedicated installation structure and process.

This invention provides a rapid positioning method for the main cable of a suspension bridge, belonging to the field of suspension bridge construction technology. The method includes the installation and positioning of a carbon fiber reference strand, and a method for adjusting the alignment of general strands based on the carbon fiber reference strand. The carbon fiber reference strand requires the installation of a measuring prism and a counterweight device, while the general strands require the installation of temperature sensors as auxiliary facilities for adjustment. This invention introduces a carbon fiber reference strand as a positioning baseline for general strands during the erection of the main cable of a suspension bridge. This can significantly reduce the impact of temperature changes on the alignment of the reference strand, overcome temperature limitations to allow adjustment of general strands at any time, greatly accelerate the positioning efficiency of the main cable alignment, and make alignment adjustment more convenient and accurate.