923 results about "Rigid frame" patented technology

The invention discloses a continuous rigid frame bridge construction monitoring method which comprises the following steps: before cantilever casting construction, arranging linear monitoring points along the longitudinal axis direction of a bridge according to the spacing of 8-12 meters, and respectively arranging stress monitoring points on a top plate and a bottom plate of the root section of each section; synchronously acquiring three-dimensional coordinate data of the linear monitoring points and real-time strain data of the stress monitoring points in the process of pouring each section in a cantilever manner; the collected linear data and stress data are input into a finite element model for collaborative analysis, and when a linear deviation value exceeds + / -5% of a designed pre-camber value and the deviation between a stress measured value and a theoretical calculation value exceeds + / -8%, an adjustment instruction is automatically generated; according to the adjusting instruction, the elevation of the front fulcrum of the hanging basket is adjusted through the hydraulic jack during construction of the next section; after initial setting of the adjusted segment concrete, linear data and stress data are collected, and the actually measured data and a finite element model prediction value are compared and verified. The method can help to guarantee the safety and durability of the continuous rigid frame bridge.

Compressible carts and methods for using the same are provided. The compressible carts include a rigid frame having a front wall, a rear wall, a right sidewall, a left sidewall, and a bottom wall. The right sidewall comprising a first right panel rotatably coupled to a second right panel. The compressible carts may also include a first lock assembly integrated with the first right panel and the second right panel. The first lock assembly having a first condition for locking the first right panel to the second right panel, and a second condition for unlocking the first right panel from the second right panel.

The invention relates to a steel structure trestle hoisting device, belongs to the technical field of bridge construction machinery, and is used for solving the technical problems that traditional hoisting equipment is low in mounting precision, poor in posture adjusting efficiency and easy to deform in structure. The device comprises a portal crane main body, wherein an electric trolley of which the stroke is matched with the width of a trestle is arranged at the lower part of a fixed cross beam; the dynamic self-adaptive balance assembly adjusts load balance in real time through a rigid frame, a three-axis tilt angle sensor, a balancing weight and an electric push rod. The lifting appliance group adopts a servo motor to drive four lifting hooks to cooperatively work, and a laser positioning assembly is combined for precise positioning; the digital twinning cooperative control system integrates prediction, control logic and a pre-judgment type intervention module through an embedded industrial controller, analyzes data of an encoder and a pressure sensor in real time, predicts deformation and gravity center shift, and dynamically regulates and controls the hoisting speed, the transverse position of a trolley and the balance weight displacement. The device is suitable for high-precision rapid installation of the large-span steel structure trestle, and the construction safety and efficiency are improved.

The invention discloses a large-span continuous rigid frame construction line shape intelligent monitoring method, and relates to the technical field of large-span continuous rigid frame construction, and the method comprises the following steps: S1, data collection; s2, data processing; s3, performing multi-stage intelligent early warning; s4, construction regulation and control; and S5, outputting a result. According to the method, multi-source equipment is used for synchronously collecting data, the real-time performance and integrity of the data are guaranteed, deep learning is used for eliminating anomalies, a neural network is used for constructing an environment influence model and correcting the data, the influence of environment factors on linear data is corrected, digital twinning is combined with a finite element and a neural network to predict a deformation trend, and the prediction precision is improved. A linear deviation trend is pre-judged in advance, a construction scheme is optimized, multi-level intelligent early warning dynamically adjusts a threshold value according to multiple factors, early warning information is accurately issued, risk response timeliness is enhanced, decision suggestions can be automatically generated through construction regulation and control, an evaluation effect is fed back, and the construction process is optimized.

Insulated panels having suitable surface members separated by an inner layer of insulated foam are used for the walls and as structural members for the floor and roof of a building structure. A rigid frame supports the wall, floor and roof insulated panels. The wall insulated panels are supported on the exterior of the frame by rigid brackets with the insulated panels being suitably flashed or capped.

The invention relates to an intelligent continuous rigid frame bridge construction period deformation prediction system. The system comprises a construction data acquisition module, a data primary processing module, a feature extraction model construction module, a mode special model construction module and a deformation prediction module. According to the invention, original data is obtained through data acquisition; a data primary processing method of data standardization, weighted time sequence alignment, effect decoupling and data set segmentation is adopted; a multi-branch deep learning model is adopted as a feature extraction model, the time dynamics, the spatial topological relation and the physical mechanics priori of bridge structure response are integrated, and the completeness and the discrimination ability of feature expression are remarkably improved; a progressive strategy of firstly extracting and clustering features and then grouping and independently modeling is adopted, so that not only is the specificity of different construction stages fully considered, but also the prediction precision is improved through targeted model optimization, and the problem of mode diversity in a complex construction system is solved.

The invention discloses an intelligent construction method and system for continuous rigid frame bridge closure based on digital twinning, and the intelligent construction method and system for continuous rigid frame bridge closure based on digital twinning realize intelligent, few-person and safe construction operation in the closure construction process by constructing the intelligent construction system for continuous rigid frame bridge closure. The system comprises closure intelligent construction equipment, a centralized control platform, a cloud database, an intelligent control algorithm and a remote digital twinborn control platform. The method mainly comprises the following steps: constructing a digital twin system, arranging intelligent equipment, monitoring and analyzing environment data and displacement data of a closure section, performing closure section pushing intelligent control, and performing concrete pouring counterweight double-target intelligent regulation and control. Data monitoring of a closure section before closure is carried out through an intelligent construction system, real-time intelligent control over closure pushing and concrete pouring counterweight load adjustment is carried out, accurate data collection and bridge body stress balance in the closure process are ensured, and the closure quality and the intelligent construction level of the continuous rigid frame bridge are improved.

The invention discloses a variable-cross-section stacked box rigid frame aqueduct, a cantilever hanging basket and a prestress tensioning method in the field of prestressed concrete aqueducts, the transverse section of a water passing groove is a U-shaped section, and the U-shaped section of the water passing groove is far superior to a rectangular section in the aspects of water delivery flow conditions and flow passing capacity; a prestress continuous rigid frame structure form of a U-shaped water passing upper tank with a variable cross-section rectangular lower tank stacked upwards and a guide groove unified cross section and a two-system four-way prestress system are arranged, the concrete stress of the upstream face of the U-shaped water passing groove can be accurately and effectively controlled to be kept in a uniform compression state with a certain numerical value, and the anti-seepage and durability functions of the aqueduct are ensured. According to the tensioning method, the vertical steel beams and the U-shaped steel beams are partially tensioned firstly, so that the aqueduct web has certain vertical pressure stress, then longitudinal prestress is tensioned, the effect of the vertical steel beams and the U-shaped steel beams is prevented from being weakened by the longitudinal prestress, and pressure stress reserve of the upstream face of the U-shaped groove is guaranteed; the pouring hanging basket prevents the formwork from floating or shifting in the pouring process of the variable-thickness middle partition plate.

The invention provides a modular and multifunctional karst collapse physical simulation experiment platform. Comprising a rigid frame, a bearing device, a moving device, a loading device, a lifting device, a pile foundation construction dynamic load simulation device, a ground traveling dynamic load simulation device, a rainfall simulation device, a computer vision monitoring device, an underground water pumping and draining simulation device and an underground space excavation disturbance simulation device. The moving device is arranged on the bearing device, the lifting device, the loading device and the pile foundation construction dynamic load simulation device are arranged on the moving device, the travelling crane dynamic load simulation device is connected with a traction device of the moving trolley, and the camera shooting monitoring device and the rainfall simulation device are arranged on the rigid frame through a support. According to the method, key disaster-causing conditions in the urban environment are fully considered, the working condition scene coverage is wide, and the applicability is high; modularized design is adopted as a whole, all the modules can be flexibly loaded according to requirements, the real environment can be simulated more truly, and the catastrophe evolution process of surface collapse can be reproduced.

A walker with an automated power drive system is disclosed. The walker comprises a rigid frame comprising a left grip and a right grip; a plurality of wheels affixed to the rigid frame; a plurality of drive motors integrally mounted in the plurality of wheels; and a drive motor controller configured to power the plurality of drive motors. The drive motor controller is configured to: determine the orientation of the walker; generate a first motor current component to compensate for orientation of the walker and the resulting torque on the drive motor; determine the speed of the walker; generate a second motor current to component for internal friction based on the speed of the walker; determine a user force applied to the left grip and right grip; generate a third motor current component for the drive motors based on the user force applied to the left grip and right grip; and power the drive motors based on a sum of the first motor current component, second motor current component, and third motor current component. The drive motor controller is configured to determine the user force applied to the left grip and right grip based on a measured current from the drive motors. Specifically, the drive motor controller is configured to determine the user force applied to the left grip and right grip based on a difference between a target current provided to the drive motors and the actual current utilized by the drive motors.

The invention relates to the technical field of bridge construction, in particular to a multi-span continuous rigid frame bridge closure jacking force optimization method and system.The method comprises the steps that firstly, construction steps corresponding to a closure sequence scheme are determined according to the closure sequence scheme; secondly, performing soil constraint degradation simulation according to a closure sequence scheme and the corresponding construction steps, and establishing a finite element model of a full bridge; then, parameters corresponding to the unit jacking force applied to each closure gap and parameters corresponding to the unit jacking force not applied to each closure gap are calculated based on the finite element model, and a to-be-solved function is constructed based on the first parameters and the second parameters; finally, a fuzzy mathematical solution is adopted, the multi-target optimization problem corresponding to the to-be-solved function is converted into a single-target linear programming problem, and the optimal solution of the jacking force is obtained.According to the scheme, the soil constraint degradation effect is comprehensively simulated, meanwhile, the multi-target problem in the deepwater environment is converted into the single-target linear programming problem, and the optimal solution of the jacking force is obtained. The solving process is simplified, and the optimal solution of the jacking force can be accurately solved.

An exercise apparatus supports plank and core-strength movements by engaging a user's upper limbs and supporting the user above a ground surface. A rigid frame carries at least one upper-limb support pad arranged to support a portion of the upper limb; a hand grip can be grasped while the limb rests on the pad. The pad and grip can be repositioned, re-oriented, or spaced to suit different body sizes, exercise variants, or load angles. A ground-engaging surface permits placement for use on indoor floors, mats, or outdoor terrain.

The invention discloses a continuous rigid frame aqueduct cantilever casting hanging basket stress monitoring and early warning method and system, and relates to the technical field of hydraulic engineering construction.The method comprises the steps that stress monitoring points and displacement monitoring points are arranged, and a stress-displacement double-system collaborative sensing model is constructed; carrying out double-channel vibration noise separation on the stress signal and the displacement signal which are collected in real time; respectively calculating wet weight values based on a stress-wet weight nonlinear mapping relation and a displacement-wet weight geometric inversion model, and verifying the consistency of wet weight value measurement results through a residual checking mechanism; constructing a multi-source driving safety threshold model, and generating a dynamic safety threshold in real time; and when the monitored wet weight value exceeds the dynamic safety threshold value, triggering graded early warning and executing risk control measures. According to the stress-displacement dual-system independent measurement and cross checking method, through a vibration frequency domain compensation algorithm, vibration interference is suppressed, a multi-source driving safety threshold model is constructed, and high-precision monitoring of the stress of a continuous rigid frame aqueduct cantilever casting hanging basket is achieved.

The invention discloses a construction method of an E-shaped portal rigid frame structure under the condition of multi-level height limitation, the E-shaped portal rigid frame structure is hoisted and constructed under the condition of multi-level height limitation, and the multi-level height limitation comprises eight levels of heights from an area A to an area H. Construction planning is conducted, specifically, the E-shaped portal rigid frame structure is vertically divided into three vertical areas including an area I, an area II and an area III, and each vertical area is transversely divided into five transverse areas; step 2, filling a karst cave: filling a cave body by using sleeve valve pipe grouting according to filling requirements; 3, pipe pile construction is conducted, specifically, pile driving is conducted in place in the construction area through a pile machine; 4, foundation construction is conducted, specifically, foundation construction is completed in the construction area; and 5, steel structure construction is conducted, specifically, construction of five transverse areas is sequentially conducted in the three vertical areas at the same time. According to the construction method, smooth construction of the portal rigid frame structure within the limited hoisting height is ensured, and the requirements for safety, quality and construction period efficiency are met.

A rigid frame comprises two opposing vertical members with a bottom end attached to a portable base and a top end, the rigid frame further comprising a bottom horizontal member spanning between the bottom ends of the two opposing vertical members. The bottom horizontal member provides crossbar support by tying together forces of the two opposing vertical members. Two rigid posts include a first rigid post detachably affixed to a first vertical member and a second rigid post affixed to a second vertical member. Each of the two rigid posts are taller than the vertical members and support a top mounted light directed towards a game court for pickleball. The vertical members support a pickleball net.

The invention discloses an integral dismantling method for a rigid frame bridge hanging basket formwork, and relates to the technical field of bridge engineering construction. The problems that in the prior art, the rigid frame bridge hanging basket formwork dismantling efficiency is low, potential safety hazards are high, and cost is high are solved. The dismantling method comprises the following steps of: pre-burying a winch anchor bolt to anchor a winch; loosening a hanging basket anchor system to separate a hanging basket bottom die from a concrete box girder; arranging four winches to be matched with fixed pulleys; synchronously lifting the hanging basket bottom die for static load test, then synchronously lowering the hanging basket bottom die to the ground, and decomposing and dismantling the hanging basket bottom die on the ground. And the hanging basket truss is disassembled on the bridge floor. The integral dismantling method for the hanging basket formwork of the rigid frame bridge is used for dismantling the hanging basket bottom formwork of the rigid frame bridge, an integral dismantling mode is adopted, high-altitude split operation of the hanging basket bottom formwork is converted into integral ground dismantling, the operation time is shortened, and the dismantling efficiency is improved; the template loss is reduced, and the cost is reduced; aloft work is reduced, and potential safety hazards are reduced. The method is particularly suitable for large-span bridge engineering crossing rivers and seas or expressways.

The invention discloses a novel foundation pit support system construction method which is applied to the field of foundation pit excavation and support of traffic civil engineering. According to the method, Larsen IV type steel sheet piles, reinforced concrete structure rigid frame beams and phi 630 * 8 steel pipe piles are adopted to form an enclosure system, and the enclosure system is jointly stressed through connection of the rigid frame beams and anchor pulling steel bars. The construction method comprises the construction steps of inserting and driving the steel sheet piles and the steel pipe piles, constructing reinforced concrete of the top beams and the rigid frame beams and constructing anchor pulling steel bars. The method solves the problems that traditional construction is limited by factors such as sites and traffic, the construction space in the foundation pit is limited, and the construction period is long, the advantages of all components are played, excavation safety and stability are improved, use of supports in the foundation pit is reduced, construction efficiency is improved, the construction period is shortened, and remarkable economic benefits are achieved.

The invention provides a concrete continuous rigid frame bridge temperature-induced deflection prediction and safety early warning method based on health monitoring, which aims at a concrete continuous rigid frame bridge type and extracts specific indexes reflecting structural performance based on mass measured data acquired by a bridge health monitoring system. Extracting section temperature gradient information of the concrete continuous rigid frame bridge through kernel principal component analysis, and performing wavelet decomposition on deflection data to extract temperature-dependent deflection; the structure performance change is reflected through the prediction model of the temperature-induced deflection, the long-term change rule of the bridge structure performance is effectively analyzed, and a bridge temperature-induced deflection index prediction model with a clear physical meaning is constructed; setting a bridge safety early warning threshold value based on the model prediction error, and performing multi-stage early warning on the bridge state by simply adjusting parameters according to the actual operation condition of the bridge structure and the requirements of bridge owners; the function of monitoring bridge health is realized, important guidance is provided for bridge operation management, and the system has a wide application prospect.

The invention discloses an open-web area structure for a concrete open-web continuous rigid frame bridge, which comprises an upper chord beam section and a lower chord beam section, the upper chord beam section is horizontally arranged, the lower chord beam section is positioned below the upper chord beam section, and the lower chord beam section is of an arc-shaped structure arched towards the upper chord beam section; the lower chord beam section is obliquely arranged and forms an integral box beam with a convergence node of the upper chord beam section; the upper chord beam section comprises a top plate and at least one upper chord web which is vertically connected below the top plate; the lower chord beam section comprises a bottom plate and lower chord webs, the number of the lower chord webs is the same as that of the upper chord webs, the upper chord webs are vertically connected to the upper portion of the bottom plate correspondingly, and the upper chord webs and the lower chord webs are connected into a whole at a convergence node through arc transition. The structure is simple, construction and stress transition are smooth, the manufacturing cost is low, construction is convenient, and durability is good.

Embodiments of the present disclosure may include a collapsible cart configured to transition from a closed condition where it may be folded up to an open condition where it may be expanded for use, the collapsible cart including a rigid frame forming a compartment, the rigid frame having a front wall, a rear wall, a right sidewall, a left sidewall, and a bottom wall, the right sidewall and the left sidewall may be configured to fold inwardly in the closed condition. In some embodiments, the right sidewall including a first right panel rotatably coupled to a second right panel. In some embodiments, a retractable handle mechanism is disposed at, within or adjacent the back wall. The retractable handle mechanism includes a hand grip attached to a telescoping assembly. The telescoping assembly is pivotably coupled at a proximal end to the bottom of the rear wall.

The invention discloses an aquaculture net cage of an offshore wind power foundation, a working method of the aquaculture net cage and an offshore wind power jacket, and belongs to the technical field of offshore wind power jacket foundations.The aquaculture net cage comprises a netting forming an aquaculture cavity, the top of the netting is open and connected with a working platform, and the bottom of the netting is connected with a rigid frame; the working platform is connected with the rigid frame through a plurality of frame lifting steel ropes, the netting is provided with a plurality of tensioning assemblies, each tensioning assembly comprises a netting tensioning rope and a pulley, after the netting tensioning rope movably penetrates through the pulley, one end of the netting tensioning rope is connected to the rigid frame, the other end of the netting tensioning rope is connected to the working platform, and the netting tensioning rope is provided with a dismounting part. Spatial reuse with an offshore wind power jacket can be realized, the culture net is convenient to fold and unfold, the structure is relatively stable after installation and adapts to different offshore weathers, and the maintenance cost is reduced through the structural design of flexible lifting and flexible disassembly. The offshore wind power jacket auxiliary facility with environmental adaptability and maintenance convenience is formed.

The invention relates to a planetary double-spoke cutterhead device for soft soil stratums, which comprises a rigid cutterhead frame, and the rigid cutterhead frame comprises two main spokes which are oppositely arranged in the radial direction and an auxiliary spoke which is arranged between the two main spokes; the main spokes and the auxiliary spokes are fixedly connected to the driving connecting base. The main spokes and the auxiliary spokes are fixedly connected to the driving connecting base. The scraping cutters are fixedly mounted on the main spokes and the auxiliary spokes; the output end of the planetary transmission mechanism is connected with the driving connecting seat, and the planetary transmission mechanism is configured to drive the driving connecting seat and drive the rigid cutter head frame to execute a compound planetary motion; the simple rigid frame is adopted to fix the scraping cutter, so that the structure of the cutter head is extremely simple, the extremely high aperture ratio is obtained, and the technical problem that mud cakes are easily formed on the cutter head in a soft soil stratum is effectively solved; and meanwhile, the framework is driven to perform specific planetary motion, so that the full-section excavation of the triangular section is successfully realized, and the high aperture ratio and the special-shaped section forming capability are integrated.

The invention relates to a device (1) for handling a drum and for unwinding a material wound onto the drum, wherein the handling device (1) comprises a rigid frame (2) comprising two side members (3) held at a distance from each other, and in which: - each side member (3) supports a wheel (4); - each wheel (4) is mounted, independently of the other wheel (4), so as to be free to rotate relative to the frame (2) about an axis (11) of rotation common to both wheels (4) and orthogonal to the side members (3); - each side member (3) is provided with a suspension member (5) arranged so as to be able to be fitted into an axial opening of the drum, wherein the suspension members (5) are suitable for being able to hold the drum at a distance from the ground so as to allow the drum to rotate on itself according to the axis of symmetry of the drum and to unwind the material wound onto the drum.

The invention relates to the technical field of highway bridge demolition, in particular to a mechanical demolition construction method for a slant leg rigid frame bridge. Through the means of combining on-site actual measurement and numerical simulation analysis, a non-linear refined bridge demolition model is adopted, and the whole construction process of bridge mechanical demolition is reasonably simulated. And performing whole-process finite element analysis and comparison on the to-be-broken bridge to accurately obtain the collapse state of the bridge and the deflection limit value of the collapse of the bridge. Bridge breaking is carried out according to the optimal breaking sequence, and risk early warning can be effectively carried out. According to the technical scheme, on the basis of the scheme, real-time monitoring is further carried out in the whole forcible entry process through a strain sensor and long-distance deflection measuring equipment. And the construction risk of mechanical forcible entry is further reduced.

The utility model discloses a large-span steel-concrete mixed continuous rigid frame bridge structure. Comprising a plurality of concrete beam sections, a steel box beam section is arranged between every two adjacent concrete beam sections, the concrete beam sections and the steel box beam sections are connected through steel-concrete connectors, and the concrete beam sections are supported through steel wall piers; steel beam anchoring areas are arranged in the steel beam transition sections of the steel box beam sections, and longitudinal prestressed steel beams in the concrete beam sections penetrate through the adjacent steel-concrete connectors and are anchored in the steel beam anchoring areas on the corresponding sides. According to the utility model, the mid-span part concrete beam is replaced by the steel box beam section, so that the self weight of the structure is reduced, the side-mid span ratio is reduced, the shrinkage creep effect is reduced, the spanning capability of the bridge is improved, and the economic effect is increased; the longitudinal prestressed steel beam penetrates through the steel-concrete connector and is anchored in the steel beam transition section of the steel box beam section, and the connecting strength of the steel box beam section and the concrete beam section can be improved.

The utility model provides a stiff skeleton suitable for construction of a space linear complex concrete tower column, the stiff skeleton comprises a plane truss structure composed of stiff skeleton vertical rods, stiff skeleton inclined rods and stiff skeleton horizontal rods, and a space truss structure is formed by connecting stiff skeleton parallel connection components and stiff skeleton horizontal inclined struts. Joints are connected through splice plates, stiff skeleton vertical inclined struts are arranged between the stiff skeleton vertical rods and the stiff skeleton parallel connection components, and stiff skeleton horizontal inclined struts are arranged between the stiff skeleton horizontal rods and the stiff skeleton parallel connection components. Stiff skeleton vertical rods of the stiff skeleton of the middle section are connected through a filling plate, and node stiffening plates are arranged on the upper side and the lower side of the filling plate respectively. The stiff framework provided by the utility model replaces a traditional cast-in-place support construction method, the steel consumption of a temporary structure is reduced, the adaptability to surrounding geology and environmental conditions is improved, the steel bar construction difficulty is reduced, and the stress performance of the space linear complex tower column is effectively improved.

The invention relates to the technical field of disaster prevention and reduction, in particular to a design method and a construction method for earthquake prevention and disaster reduction of a T-shaped rigid frame bridge. According to the design method, a swing energy dissipation and shock absorption device is added in the design process of the T-shaped rigid frame bridge, collaborative optimization is carried out, so that the T-shaped rigid frame bridge does not have plastic damage under the action of an earthquake exceeding fortification intensity; the swing energy dissipation and seismic mitigation device dissipates seismic energy, reduces the seismic energy transmitted from the foundation and the bearing platform to the bridge piers and the main beam, reduces the seismic force of the bridge piers, reduces the displacement and flapping effect of the main beam, and protects the operation safety of the T-shaped rigid frame bridge.

The lightweight columbarium comprises a rigid frame made of a frame material, a number of decorative panels made of a decorative panel material, panel attachments for attaching the decorative panels to the rigid frame, and an enclosure defined within said decorative panels and said frame, for receiving a funeral urn. The frame material is less fragile than the decorative panel material and allows the frame to provide structural rigidity to the columbarium at less weight than if only the decorative panel material were used. The columbarium may be transported on a ritual transporter comprising a columbarium bed for carrying the columbarium and handles attached to the columbarium bed for transporting the transporter. The columbarium may be stored in a crate comprising a rigid protective shell attached to the columbarium externally thereof for protecting the columbarium against impacts; and an opening provided in the protective shell that is aligned with the bottom of the columbarium. The columbarium may be removed from the crate and installed on a base using a prop sized to fit within a shell opening in the crate so as to abut against the bottom of the columbarium and to protrude beyond the shell, for allowing the columbarium to rest on prop when the prop rests on the ground for facilitating egress of the columbarium from the crate and installation of the columbarium on the base.

The invention provides a continuous rigid frame hanging basket aerial lifting changing and swinging moving dismantling process, and relates to the technical field of continuous rigid frame hanging basket dismantling construction. According to the process, four winches are used for four-point lifting to provide power to lower a hanging basket to a certain distance, and then two winches arranged at the position of a first beam section are used for lifting changing, pulling and swinging moving; and after being longitudinally moved to a corresponding position and lowered to the ground, the dismantled part is dismantled, loaded and transported out through cooperation of a truck crane and manual work. According to the technology, hanging basket dismantling parts are lowered to the ground after being longitudinally moved in place by means of aerial hoisting, parts such as transition sites and main trusses above a bridge floor are dismantled through a truck crane and then moved to the coverage range of the hoisting capacity of a tower crane, and the hanging basket dismantling efficiency can be effectively improved and the construction period can be saved by adopting the tower crane for hoisting and lowering; aloft work is avoided, and the safety is high.

The invention belongs to the technical field of continuum robots, and discloses a stretch-draw integral type rigid-flexible mixed rope-driven continuum robot and a working method thereof. The rope-driven continuum robot comprises a head-end fixed platform, a middle-stage moving platform and a tail-end moving platform, wherein a plurality of middle-stage moving platforms are arranged between the head-end fixed platform and the tail-end moving platform; the rigid framework of the head-end fixed platform and the rigid framework of the adjacent middle-stage motion platform, the rigid frameworks of the two adjacent middle-stage motion platforms, and the rigid framework of the tail-end motion platform and the rigid framework of the adjacent middle-stage motion platform are connected through flexible frameworks; wherein the axial direction of the flexible framework is not parallel to the axial direction of the rope, and the flexible framework can only be bent and cannot be twisted. According to the technical scheme, the adaptability to narrow and complex environments is improved, and flexibility and operation efficiency are improved.