45 results about "Swing bridge" patented technology

The invention provides a prefabricated height-adjustable support system for a swivel bridge and a construction method. The system comprises an embedded base, a lower support plate, a height-adjustable core module, an upper support plate and a locking device. The pre-embedded base is of a reinforced concrete structure, the pre-embedded base and a side pier cover beam are cast and formed at the same time before swivel construction, and an anchoring part used for subsequent connection is pre-embedded in the top of the pre-embedded base; the lower support plate is fixedly mounted on the embedded base through the anchoring part; the height-adjustable core module is arranged on the lower support plate, is used for bearing and transmitting an upper structure load and can realize stepless height adjustment in the vertical direction; the upper support plate is supported on the height-adjustable core module, and the top of the upper support plate is used for making contact with a beam bottom embedded part of a swivel beam and transmitting loads. The locking device comprises a temporary locking mechanism and a final locking mechanism. The construction safety and efficiency are remarkably improved, and it is ensured that the stress state of the structure is highly matched with the design.

The utility model discloses a universal test bench for axle fatigue test, which belongs to the field of axle test equipment and comprises an upper support assembly, a lower support assembly and an axle mounting seat. The upper support assembly comprises an upper support main body, and a vertical loading hydraulic cylinder for applying a vertical load to the axle is arranged on the upper support main body; the lower support assembly is fixedly connected with the upper support assembly, and the lower support assembly comprises a gantry bridge frame; the axle mounting seat is used for being mounted below a gantry bridge frame, the axle mounting seat comprises a rigid bridge mounting seat for mounting a test rigid bridge and a swing bridge mounting seat for mounting a test swing bridge, and the rigid bridge mounting seat and the swing bridge mounting seat have the same connecting port with the gantry bridge frame. According to the invention, a real stress condition can be simulated relatively truly, and different types of axle tests can be carried out.

1. Name of the designed product: connecting side plate of swing bridge (frog). 2. Use of the designed product: the designed product is used for components of children's playground facilities. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The application discloses a shearing pin embedded outer package super high performance concrete-steel pipe concrete swing bridge pier, which is applied to a bridge and comprises a bearing platform and a composite pier column arranged on the bearing platform, a shearing resistance assembly is embedded in the lower part of the composite pier column and matched with the bearing platform, and a UHPC layer of the composite pier column and a steel pipe layer-concrete column (steel pipe concrete CFST) form a swing bridge pier (UHPC-CFST swing pier); this makes the scheme capable of utilizing UHPC and CFST to improve the toughness of the body, and capable of solving the swing rotation and shearing limiting contradiction of the bridge pier system through a connecting structure; the scheme improves the impact resistance and compression crushing resistance through the collaborative stress of the UHPC shell and the internal CFST, realizes the compatibility of high shearing bearing capacity and excellent self-resetting capacity through the 'limiting translation and releasing rotation' mechanism of the CFST shearing pin and the steel sleeve ring cooperation, and can solve the problems of insufficient interface shearing capacity of the existing swing bridge pier under strong earthquakes and impact loads and easy compression crushing of the pier bottom.

A swing bridge for a rocker arm assembly is provided. The swing bridge may be configured to be selectively actuated by a first rocker arm or a second rocker arm and span a first valve and a second valve. The swing bridge may have a bridge body, and a swing mechanism disposed at least partially in the bridge body. The swing mechanism may have a first surface for receiving motion from the first rocker arm and be configured to transfer the motion to the first valve through a rotary portion that is rotatable relative to the bridge body. The swing bridge may swing angularly upon actuation by the first rocker arm so as to actuate the first valve without actuating the second valve and actuate both the first valve and the second valve upon actuation by the second rocker arm.

The present application relates to the field of image processing, and relates to a kind of based on point cloud model algorithm's rotary bridge weighing method and system;Through the point cloud video set of preset training having been weighed key point cloud video collected, all point cloud video set is cut after using cutting algorithm, based on the frequency of having been weighed gray picture transformation in point cloud video set, having been weighed gray picture is sorted, the mapping of having been weighed gray picture and the repair bridge sample to be weighed is generated Association table, and the point cloud video frame vector of each point cloud video frame corresponding in association table is pre-trained, and the point cloud video frame vector of each point cloud video frame corresponding in association table is pre-trained, using strategy gradient algorithm to train detection completion, input is the weighed gray picture sequence of bridge q to be weighed, and output is the weighed gray picture of detection completion;The present application has the beneficial effects as follows: the present application proposes an efficient and practical interactive detection method, and promotes the exploration in this aspect in the field of picture detection.

The utility model discloses a kind of support devices for railway wide-span swivel bridge construction, including swivel bridge body, the bottom end of swivel bridge body is provided with rotating support assembly, rotating support assembly includes support base and rotating support body, rotating support body has auxiliary support mechanism in annular array of circumferential side, each group of auxiliary support mechanism has at least one auxiliary wheel, so that rotating support body rotates on support base to realize the swivel operation of swivel bridge body, multiple auxiliary wheels rotate on rotating support body and support base circumferential side and landing with rotating support body synchronous operation, the side of each auxiliary wheel is provided with anti-inclination positioning assembly, the end of anti-inclination positioning assembly away from auxiliary wheel and support base sliding friction contact, so that when auxiliary wheel rotates around support base, anti-inclination positioning assembly can support auxiliary wheel stable anti-inclination misplacement.The utility model can expand support area, improve the effect of structural stability in rotation process.

This invention relates to the field of bridge construction technology, specifically to a multifunctional pressure monitoring support device for a rotating bridge support. The device includes: a support cylinder mounted on a walkway; a pressure sensor mounted on the lower surface of the walkway; the walkway is mounted on a slide rail; an inner support plate and an outer support plate are mounted on the slide rail; side support plates are mounted on both sides of the inner and outer support plates; and limit components are provided at the connections between the inner and outer support plates and the side support plates. The advantages are: this device can accurately sense and monitor the stress on the support itself in real time; this device is installed simultaneously with the support during construction, improving safety during bridge construction and providing reliability for rotating bridge construction.

The invention relates to the field of cranes, and discloses an anti-swing bridge crane which comprises a traction mechanism and a lifting hook mechanism, the traction mechanism comprises a first traction component and a second traction component, and the lifting hook mechanism comprises an auxiliary longitudinal sliding seat, a winch arranged on the auxiliary longitudinal sliding seat and a support body arranged at the bottom of the auxiliary longitudinal sliding seat. A plurality of pulleys are arranged on the support body, the tail ends of steel cables arranged on the winch bypass the pulleys and then are provided with hook seats, hooks are arranged at the bottoms of the hook seats, the four steel cables are arranged in an array mode in the circumferential direction, and the four steel cables are the first steel cable, the second steel cable, the third steel cable and the fourth steel cable in sequence in the array direction. The horizontal projection of the first steel cable and the horizontal projection of the third steel cable are both parallel to the traction direction of the first traction component, the horizontal projection of the second steel cable and the horizontal projection of the fourth steel cable are both parallel to the traction direction of the second traction component, and the pulley is provided with a pressure sensor used for monitoring the pressure applied to the pulley by the steel cables in real time.

The application relates to the technical field of motion regulation and driving, in particular to a reciprocating motion amplification device and method of a flexible structure of a swing bridge. The reciprocating motion amplification device comprises a loading unit, an excitation execution unit, a self-adaptive identification unit and an energy supply unit. The excitation execution unit and the self-adaptive identification unit are both installed in the loading unit. The self-adaptive identification unit collects vibration response signals of the flexible target structure in real time and identifies the real-time natural frequency, controls the excitation execution unit to adjust the excitation frequency, so that the excitation frequency is automatically matched with the real-time natural frequency, resonance effect is excited, and reciprocating motion amplification is realized. Through closed-loop self-adaptive control, frequency drift is automatically tracked without manual intervention, excitation power consumption is reduced while the significant amplification effect is maintained, and the system adaptability and intelligent level are improved.

The invention belongs to the technical field of robots, and discloses a movable chassis and a composite robot. The mobile chassis comprises a chassis body; the first walking unit is arranged on the first installation side of the chassis body and comprises a first walking wheel and a second walking wheel, and the first walking wheel and the second walking wheel are arranged on the chassis body in the first direction in a spaced mode. The second walking unit is arranged on the second installation side of the chassis body and comprises a swing bridge, a third walking wheel and a fourth walking wheel, the third walking wheel and the fourth walking wheel are arranged at the two ends of the swing bridge respectively, the swing bridge is rotationally connected with the chassis body, and a protruding part is arranged on the side, away from the chassis body, of the swing bridge; the positioning unit comprises a supporting frame and a locking assembly, the supporting frame is arranged on the chassis body, the locking assembly is arranged on the supporting frame, and the locking assembly can clamp or loosen the protruding part. The robot can adapt to complex terrains and can also be prevented from shaking during clamping work, and the grabbing and positioning precision is improved.

The utility model provides a swing bridge and fork truck for fork truck, include: drive wheel mechanism, including drive wheel and drive connection frame, drive wheel rotatable installation in drive connection frame on, swing bridge mechanism, its one end with drive connection frame's upper end swing joint, the other end with fork truck car body swing joint, lower swing bridge mechanism, be located below swing bridge mechanism, its one end with drive connection frame's lower end swing joint, middle part with fork truck car body swing joint, auxiliary wheel mechanism, including auxiliary wheel, install below lower swing bridge mechanism other end, first buffer mechanism, set up in lower swing bridge mechanism, its one end with lower swing bridge mechanism fixed connection, the other end with fork truck car body fixed connection, first gap adjusting structure, set up in the connecting place of lower swing bridge mechanism and fork truck car body, second gap adjusting structure, set up in the connecting place of lower swing bridge mechanism and drive connection frame. Realize drive wheel posture stable, effective shock attenuation, reduce abrasion and abnormal sound, simplify assembly and reduce cost.

The utility model provides a fixing device for a fatigue test of a swing bridge. The fixing device comprises a supporting seat; the limiting seat is detachably arranged above the supporting seat, and a limiting part used for abutting against the swing bridge is arranged on the limiting seat; the positioning assembly and the limiting seat are arranged on the supporting seat in a spaced mode, and the positioning assembly is detachably arranged; a positioning shaft of the positioning assembly is inserted into a pin hole of the swing bridge, the side, away from the pin hole, of the swing bridge abuts against the limiting part, and therefore the swing bridge is fixed between the limiting base and the positioning shaft. The fixing device for the swing bridge fatigue test solves the technical problems that a swing bridge fatigue test tool of a special structure cannot be accurately positioned and is not firmly fixed in the prior art.

The invention discloses a novel swinging self-resetting bridge pier with curved prestressed tendons, and belongs to the technical field of impact resistance toughness improvement of swinging bridge piers. Two prestressed tendons which are arranged in a preset parabola shape are pre-buried in the bridge pier and are symmetrically arranged relative to the central axis of the section of the bridge pier; the prestressed steel bars penetrate through the pier body through a post-tensioning process to form a transverse and longitudinal bidirectional pre-compression field, and the prestressed steel bars are subjected to unbonded treatment at the joint interface in the pier body. The curved prestressed tendons are adopted to replace traditional linear prestressed tendons, the equivalent restoring force which is evenly distributed can be provided under the action of impact loads, spatial dislocation and complex deformation of a swing interface are effectively adapted, and the anti-collision performance and function restorability of the swing bridge in the service period are improved.

A rocker arm assembly comprises a first rocker arm having a first valve end, a second rocker arm having a second valve end, a first valve, a second valve, a hydraulic capsule disposed in the first valve end and movable between an extended and retracted position, and a swing bridge selectively actuatable by the first or second rocker arm and span the first and second valve. In engine brake mode, the hydraulic capsule moves to the extended position, causing the swing bridge to swing angularly as the first rocker arm rotates so as to actuate the first valve without actuating the second valve. In drive mode, the hydraulic capsule moves to the retracted position, and the swing bridge is actuated by the second valve end of the second rocker arm as the second rocker arm rotates so as to actuate both the first valve and the second valve.

The invention discloses a friction pendulum type pier capable of resetting after collision, and belongs to the technical field of improvement of anti-collision toughness of swinging piers, linear unbonded prestressed steel strands are arranged in the pier in a full-length mode, the pier bottom of the pier is in friction pendulum type interface contact with a foundation platform, and the pier bottom of the pier is connected with the foundation platform through an external energy dissipater. The prestressed steel strands are arranged in a manner of penetrating through the pier body by adopting a post-tensioning process to form a longitudinal pre-pressure field, and the prestressed steel strands and the whole pier are subjected to unbonded treatment. The friction pendulum type interface is adopted at the pier bottom of the pier to replace a traditional plane interface, large displacement can be generated under the action of impact loads, most energy is absorbed through the external energy dissipater, damage to the pier is effectively reduced, restoring force is provided through the prestress steel strand and structural gravity, residual displacement of the pier is reduced, and the service life of the pier is prolonged. And the anti-collision performance and the function restorability of the swing bridge in the service period are improved.

This invention provides a trajectory planning and intelligent control method for a three-stage swing-type overhead crane, relating to the technical field of intelligent overhead crane systems. The method includes: defining a planar coordinate system and determining the position coordinates of the crane's trolley, hook, frame, and load within the planar coordinate system; obtaining a dynamic model using the Lagrange equation based on the position coordinates; designing a controller based on the dynamic model; setting up a two-layer radial basis function neural network and determining the control force; and determining the overall control law based on the position coordinates, the controller, and the control force. According to this invention, intelligent anti-sway control of the three-stage swing system improves control quality, enhances the system's anti-interference capability, and improves the overall system safety level.

A swing bridge for amusement equipment. It is mainly used to solve the problem that the swing bridge structure of existing amusement equipment is unstable and has potential safety hazards. It is characterized by: it also includes a first rope (2), the two ends of the first rope are connected to two opposite columns; a second rope (3), the two ends of the first rope are connected to two opposite columns; a pedal (4), one end of which is connected to the first rope through a third rope (41), and the other end is connected to the second rope through a fourth rope (42); at least two fifth ropes (5), both ends of which are used to connect to a fixed surface, and the bottom of the pedal is installed on the fifth rope. The utility model provides a swing bridge for amusement equipment, which is provided with a plurality of connecting ropes, fixed in multiple directions, and has a stable overall structure.

The invention relates to the technical field of forward-moving forklifts, and discloses a single-drive double-steering swing axle mechanism which comprises a swing axle frame, a drive mechanism, two steering mechanisms and two walking wheels. The driving mechanism is located on the left side of the swing bridge and connected with the walking wheels to form a driving system to achieve whole vehicle walking. The two steering mechanisms are located on the two sides of the swing bridge frame respectively and connected with the walking wheels to drive the walking wheels to rotate to achieve steering. The driving mechanism and the steering mechanism are both provided with detection electrical elements, and accurate speed control and steering angle control are achieved. The steering driving assembly comprises a steering motor, a steering gear and a second steering driven gear, and the steering motor drives the steering gear to rotate to drive the walking wheels to steer. In addition, the steering system further comprises a speed change assembly used for adjusting the height of the steering motor, changing the transmission efficiency and achieving adjustment of the steering response speed and the steering angle under different driving conditions so as to improve the driving comfort and safety.

The utility model discloses an automobile press line heavy load lifting and carrying AGV which comprises a vehicle body, a lifting mechanism and a swing bridge mechanism, the lifting mechanism is arranged on the vehicle body and used for carrying out lifting operation on heavy load materials, the swing bridge mechanism is arranged on one side of the vehicle body, the two ends of the swing bridge mechanism are each provided with a steering engine, and the steering engines are arranged on the two sides of the swing bridge mechanism. Two steering engines are further arranged on the other side of the vehicle body; according to the heavy-load lifting and carrying AGV for the automobile press line, reliable operation of the AGV in a complex industrial environment is guaranteed, a scissor type lifting device is adopted in the lifting mechanism, power is provided through a liquid driving system, the heavy-load material lifting process is more stable, lifting action synchronism can be achieved, and through combination of a swing bridge mechanism and the scissor type lifting device, the AGV can be lifted more stably, and the AGV can be lifted more stably. The adaptability of equipment under complex ground conditions is improved, accurate control is achieved through a multi-steering-engine driving mode, and the operation flexibility and the high-load operation capacity are improved.

The utility model belongs to the AGV technical field, and disclose a parking robot, include: frame, clamping arm subassembly, drive walking component, drive walking component setting in the frame bottom and ground contact, the clamping arm subassembly symmetry sets up in the frame both sides telescopic clamping tire, the utility model drive subassembly's swing bridge structure realizes drive unit movement by the swing of connecting rod no.

This application discloses a bridge span support structure and construction method for a hybrid box girder continuous beam swing bridge, specifically relating to the field of bridge support technology. The structure includes a pile foundation, with a pile cap fixedly connected to the top of the pile foundation. A swing system component is located at the center of the top of the pile cap, and a pier component is fixedly connected to the top of the swing system component. A main beam is located on the top of the pier component, comprising a box girder segment and a channel girder segment. A box girder segment is fixedly connected to the center of the top of the pier component, and channel girder segments are fixedly connected to both sides of the box girder segment. The swing system component includes a ball joint, support legs, a slide rail, an upper turntable, a lower turntable, a swing locking block, and an adaptive composite liner. This application dynamically adjusts the friction coefficient through the adaptive composite liner, achieving zero-interference construction across the bridge using the swing system. The hybrid box girder optimizes material distribution, reduces structural weight, and the modular design of the components facilitates construction.

The invention relates to the technical field of cable bridges, in particular to a cable anti-swing bridge comprising a U-shaped bracket detachably mounted on an L-shaped support; the anti-swing part comprises a supporting groove assembly which is detachably installed in the U-shaped supporting base, and a clamping base unit is installed in the supporting groove assembly in a sliding mode in the swing direction of the cable body; side blocking units used for blocking the cable body from swinging are arranged in the bracket assembly and located on the two sides of the clamping base unit. According to the cable anti-swing bridge, the displacement side blocking unit and the clamping seat unit arranged in the anti-swing part can transmit the swing condition of the cable, and the problem that the rigidity is damaged when the cable swings can be solved; and meanwhile, the side blocking units are matched with the air bags, so that compression force can be provided when the cable swings, the clamping seat units drive the cable to timely and effectively recover the static state, the problems caused by continuous swinging are avoided, and reliable operation of the cable is guaranteed.

The invention discloses an anti-swing control method for a self-adaptive double-swing bridge type crane, and belongs to the technical field of intelligent control. According to the method, a double-pendulum dynamic model containing mass coupling of a trolley, a lifting hook and a load is constructed through an Euler-Lagrange equation, and a hybrid strategy combining PD control and RBF neural network layered sliding mode control is provided; and designing a composite sliding mode surface and a smooth saturation function by combining layered sliding mode control, and coordinating position tracking and double pendulum to suppress multiple targets and buffeting. According to the method, the problems of modeling deviation, insufficient nonlinear control precision and multi-target coordination of a traditional simple pendulum are solved, the system robustness and the engineering practicability are remarkably improved, and a novel technical scheme is provided for intelligent anti-swing control of the crane.

The utility model discloses an AGV chassis structure capable of preventing wheels from slipping and an AGV trolley. The AGV chassis structure comprises a chassis body. The chassis comprises a chassis body and a swing bridge mechanism, the swing bridge mechanism is arranged on one side of the chassis body, the swing bridge mechanism comprises a swing bridge fixing piece and a swing bridge support, the swing bridge support is rotationally connected with the swing bridge fixing piece and fixed to the chassis body, and the swing bridge support and the swing bridge fixing piece can relatively rotate to be balanced when stress is unbalanced; according to the AGV chassis structure capable of preventing the wheels from slipping and the AGV, when the road surface on one side is uneven and one wheel is suspended, the swing bridge fixing piece and the chassis body can rotate to be balanced so that the wheels can touch the ground, slipping is prevented, and the problems that when an existing AGV body is mostly provided with four wheels which are independently fixed to a chassis, and when the AGV body runs on the uneven ground, the wheels are not prone to slipping are solved. The problems that one wheel is in poor contact with the ground or even suspended, the wheel slips easily, the wheel cannot run away from a hollow area, and the vehicle stops mistakenly in serious cases are solved.

The utility model relates to a double-layer sponge bubble breaking device which comprises a double-layer conveying platform, a swing bridge, a conveying line, a guide table and a bubble breaking machine, the swing bridge comprises a conveying belt, a rotating support, a jacking cylinder, a supporting arm, guide rails and guide wheels, the two ends of the side, close to the conveying line, of the rotating support are hinged to the ground respectively, and the guide rails are installed below the two sides of the rotating support respectively. A jacking cylinder is installed below the guide rail, the lower end of the jacking cylinder is hinged to the ground, a supporting arm is installed on the side, close to the conveying line, of the jacking cylinder, the lower end of the supporting arm is hinged to the ground, and a guide wheel is installed at the upper end of the supporting arm and pressed on the guide rail in a rolling mode. The double-layer conveying platform has the advantages that the double-layer conveying platform is designed, one sponge foam is temporarily stored in one station, the other station conveys the sponge foam to the foam breaking machine, material receiving switching of the two stations of the double-layer conveying platform is conducted through the swing bridge capable of being adjusted in a lifting mode, seamless connection is achieved, time is saved, and efficiency is improved.

The utility model discloses an electric automobile power battery combined AGV trolley which comprises a supporting mechanism and a swing bridge structure, the supporting mechanism comprises a person standing platform arranged on the supporting mechanism, the swing bridge structure is arranged on the supporting mechanism, one end of the swing bridge structure is provided with a bearing wheel, and the other end of the swing bridge structure is provided with a driving wheel. A steering engine is arranged at the other end of the swing bridge structure; according to the AGV combined with the power battery of the electric vehicle, the swing bridge structural design is adopted, so that the AGV has more excellent ground contact performance. The steering engine and the bearing wheel are arranged at the two ends of the swing bridge structure respectively, the problem of uneven ground or defects can be effectively solved, AGV operation faults caused by slipping of the steering engine are avoided, stable operation of the trolley under the complex ground condition is guaranteed, and the production efficiency is improved.

The utility model belongs to AGV chassis technical field especially for a kind of AGV dolly chassis structure, including chassis main body and travelling mechanism, the travelling mechanism includes: first swing bridge;Swing type is in the second swing bridge of the chassis main body, the first swing bridge with the second swing bridge opposite distribution, and both proximal end movable joint;Auxiliary universal wheel;Mounting bracket fixed in first swing bridge;Driving wheel is rotatably installed in mounting bracket;And for driving driving wheel rotation travelling motor;In the utility model, adopt split swing bridge design, both opposite distribution and proximal end movable joint, can independently around bridge shaft rotation, this design breaks the rigid constraint of integral structure, can disperse stress, reduce torque, solve the problem that integral swing bridge is easily tired, load concentration, ensure that all wheels contact with ground, avoid load concentration in part wheel, single swing unit failure does not need to be overall disassembled, reduce maintenance cost and process complexity.

The present application relates to the swivel bridge relates to the construction technology, especially to a continuous steel truss-web double-layer combined swivel bridge structure, which is arranged in a continuous steel truss-web double-layer combined T-shaped structure form, the lower layer is arranged with a ribbed slab type concrete beam bridge deck, the upper layer is arranged with a steel truss beam and an orthotropic steel bridge deck slab, three main trusses are arranged in the horizontal direction of the upper layer, and the longitudinal direction is a Warren type main truss, so that the design and construction technology problems of the double-layer highway overpass railway bridge swivel are properly solved.

The invention relates to the technical field of anti-swing control of bridge cranes, in particular to a double-swing bridge crane integrated control method and system which comprises an equation calculation unit, a shaping design unit, a target setting unit, a convolution operation unit, an integral operation unit, an error calculation unit and a control calculation unit. By arranging a double-pendulum bridge crane system mathematical model with a double-pendulum effect and introducing an input shaper, the swing suppression and anti-interference performance of the system disclosed by the invention is improved based on the control of the control system on the double-pendulum bridge crane, and by arranging the multi-loop control system and the nonlinear PID integrated control system, the system has the advantages of high reliability and high reliability. Through the synergistic effect of input shaping and the controller, the vibration frequency characteristic and full-state real-time information of the double-pendulum bridge type crane system are fully considered, so that the double-pendulum bridge type crane system has good response speed and stability, the residual swing of the double-pendulum bridge type crane system is reduced, and the service life of the double-pendulum bridge type crane system is prolonged. And the engineering transportation efficiency of the double-pendulum bridge crane system is improved.