31results about "Movable bridges" patented technology

The present invention provides an improved method and apparatus for automatically aligning and connecting a passenger boarding bridge (PBB) with the passenger door of an aircraft or other vessel. A sensory suite module includes cameras and sensors to scan the apron for obstacles and identify an aircraft based on external features. The sensory suite module also includes one or more high-precision active laser line profilers to detect the vertical and lower edges of an aircraft door. A controller module provides precise control and movement of the distal end of the PBB and guides the distal endof the PBB to the passenger door. The system can be activated by a remote triggering panel module.

The invention discloses a lap joint type cross-line device suitable for a railway trench. The device is characterized by comprising a cross-line platform (4) arranged across a maintenance trench (8) in a use state, and the cross-line platform (4) is composed of a first half platform (41) and a second half platform (42) which are rotatably connected to track mounting grooves (3) on the inner sidesof two tracks (2) of the maintenance trench (8) respectively. When a train exists, two half platforms are located on the two sides in the overhaul trench (8) respectively and are in a downward-turningseparation state; and when no train exists, the half platforms are turned upwards respectively and locked and connected at the butt joint positions to form personnel or material cross-line channels.In combination with the cross-line requirements in production house single bodies such as engineering garages and train inspection warehouses, when cross-overhaul trenches are not needed, the cross-line devices are turned downwards and hidden in the trenches; when a trench needs to be overhauled, the cross-line device is turned over upwards from the side of the trench for lap joint, and the cross-line function is achieved.

The invention provides a construction method of a water-discharge temporary bridge for a high-flow-rate and high-rise-degree river channel. The method includes the steps of firstly, constructing pilefoundations in the river channel, wherein a plurality of groups of pile foundations are evenly distributed in the river channel, and each group of pile foundations comprises a first pile foundation located at the upstream of the river channel and a second pile foundation located at the downstream of the river channel; secondly, building a bridge deck system on every two adjacent groups of pile foundations. By the method, the height of the temporary bridge can be reduced, the length of the temporary bridge can be reduced, high safety can be achieved, and cost can be lowered effectively.

The invention discloses a variable-span double-support large-displacement front end support transverse moving device for a trestle. The device comprises a trestle main beam and basic stand columns with telescopic legs, the inner side of each basic stand column is provided with a horizontal section, the horizontal sections of the two basic stand columns form a sleeve structure, a transverse movinghydraulic cylinder is installed between each basic stand column and a middle fixing frame, and the two basic stand columns can be driven by the corresponding transverse moving hydraulic cylinders to move left and right. The front end of each trestle girder is provided with a telescopic leg, and the telescopic legs and the sleeve structures are arranged in a front-back staggered mode. A hoop assembly is arranged below the front portion of each trestle girder and used for being arranged on the outer wall of the horizontal section of the basic stand column on the corresponding side in a sleevingmode. Meanwhile, the invention further discloses a variable-span double-support large-displacement front end support transverse moving method for the trestle. On the premise that reliable bearing of the trestle front end supporting transverse moving device is guaranteed, one-time transverse moving movement in place is achieved, the trestle transverse moving frequency and the trestle transverse moving time are effectively shortened, and therefore the tunnel construction efficiency is improved.

A finger joint having a bridging cover plate, which enables a steel plate having a thickness much smaller than that of a conventional finger to be used and allows the vertical rotation of an upper bridge structure. The finger joint includes: a bridging cover plate installed on a first structure and supported to a second structure across a gap so as to support a load of a vehicle passing over the gap, and configured to allow relative movement between the first structure and the second structure in a direction in which the distance of the gap changes; a first finger unit connected to the bridging cover plate; and a second finger unit installed on the second structure so as to allow relative movement relative to the first finger unit in a direction in which the distance of the gap changes.

An assembly for budding a pre-fabricated modular boat dock structure is disclosed. The assembly is designed to be modular so it can be fabricated in a shop environment and then installed by assembling it on site. The assembly is further designed to enable the individual component modules to be powder coated prior to installation so that the pre-fabricated modular boat dock will be rust resistant and have a much longer expected lifespan than a custom boat dock which is built on site would have. The pre-fabricated modular boat dock structure has a pleasing aesthetic appearance after having been powder coated and is useful in extending the life of a boat dock structure used to shelter boats stored immediately adjacent to a body of water.

A rapid construction method of a camouflage type long-span automatic rapid-extension emergency bridge is disclosed. The camouflage type long-span automatic rapid-extension emergency bridge comprises asupporting truss and two sets of rapid-extension bridge systems, wherein the two sets of rapid-extension bridge systems are symmetrically arranged on front and rear banks of a river; the supporting truss is arranged at the middle of the river; the rapid-extension bridge system positioned at the rear side comprises a bridge box; the front side of the bridge box is open and the open part is provided with a box cover; a downhill guide plate assembly is arranged inside the front side of the bridge box; a hydraulic station and two sets of multi-stage telescopic oil cylinders are fixed inside the bridge box; the two sets of multi-stage telescopic oil cylinders are arranged alongside each other in the left-right direction; the length direction of each set of multi-stage telescopic oil cylinder is arranged in the front-rear horizontal direction; and telescopic hydraulic supporting devices are fixed between the lower sides of the ends of same-stage telescopic arms of each set of multi-stage telescopic oil cylinder. In conclusion, the camouflage type long-span automatic rapid-extension emergency bridge is reasonable in structural design. In the event of an emergency, the temporary emergencybridge can be quickly constructed so as to facilitate the passage of people and vehicles.

A coupling module forms an interface between a cabin of a passenger bridge and an aircraft. The coupling module has a projecting roof and a floor arrangement overspanned by the projecting roof. The floor arrangement is pivotable about a horizontal pivot axis relative to the cabin. At least the floor arrangement and the projecting roof have a common pivot axis that is arranged in or beneath the floor arrangement, with the floor arrangement at least indirectly and substantially supporting the projecting roof.

The invention discloses a device for relieving highway traffic jam, which comprises wheels, a front vehicle body and a rear vehicle body, wherein the front vehicle body and the rear vehicle body are connected through a hinge shaft, the upper surfaces of the front vehicle body and the rear vehicle body are flush, the front of the front vehicle body is connected with a front axle through a front telescopic cylinder, the front of the rear vehicle body is connected with a rear axle through a rear telescopic cylinder, the front axle rotates to be flush with the upper surface of the front vehicle body or connect the ground with the front end of the front vehicle body under the control of the front telescopic oil cylinder, the rear axle is controlled by the rear telescopic oil cylinder to rotateto be flush with the upper surface of the rear vehicle body or connect the ground with the rear end of the rear vehicle body, the space below the front vehicle body and the rear vehicle body is enoughfor a household vehicle to pass from back to front, and the space on the upper surfaces of the front vehicle body, the rear vehicle body, the front axle and the rear axle is enough for the householdvehicle to pass from back to front. After a traffic accident and traffic jam happen on the highway, the traffic accident position is positioned through mobile phones of people on site, the device is driven to a traffic accident site, a bridge is erected across colliding vehicles, and the traffic efficiency of the highway is maintained after the traffic accident happens.

The invention discloses a folding telescopic bridge. The folding telescopic bridge comprises a bridge main body fixing part and a folding telescopic part. The bridge main body fixing part is formed bywelding a steel structure and adopts a fixing mode of obliquely pulling a stand column, a base and a cross beam, the stand column is provided with a hydraulic cylinder used for driving the stand column to stretch up and down, the hydraulic cylinder adopts a semi-underground installation mode, and the base is connected with a concrete foundation into a whole body; and the folding telescopic part adopts a connecting rod structure, a folding bridge plate is installed on the connecting rod structure, a lower end of the connecting rod structure is connected with a bridge stand column, and the upper end of the connecting rod structure is connected with the upper end of the hydraulic cylinder. A working principle comprises that the hydraulic cylinder is driven to unfold, and the hydraulic cylinder pushes the upper end of the connecting rod structure to shrink the connecting rod structure, and drives a folding bridge plate to fold and shrink a bridge; and the hydraulic cylinder is driven to retract, the hydraulic cylinder drives the upper end of the connecting rod structure to unfold the connecting rod structure, and meanwhile the folding bridge plate is unfolded to achieve expansion of bridge folding and stretching. In a using process, the hydraulic cylinder is driven to be unfolded, the folding telescopic bridge is in a contracted state, and water surface ships and the like are notinfluenced to travel back and forth; and when the hydraulic cylinder is driven to retract, the folding telescopic bridge is in an unfolded state for pedestrians and vehicles to pass through a bridge surface.

The invention discloses a shape-changing bridge for garden landscape, and relates to the field of garden landscape bridges. The shape-changing bridge comprises lake shores, a bridge plate and liftingmechanisms. The bridge plate is erected between the opposite two lake shores. First grooves matched with the end of the bridge plate are formed in the tops of the faces, close to each other, of the two lake shores. Second grooves are formed in the upper surfaces of the lake shores. A plurality of through holes communicating with the first grooves are formed in one lateral wall of the second groove. Fixing mechanisms connected with the end face of the bridge plate are mounted in the second grooves. The fixing mechanisms comprise stopping blocks, ropes and springs. The stopping blocks are slidably connected with the bottom inner walls of the second grooves. One lateral faces of the stopping blocks are fixedly connected with one ends of the ropes. The other ends of the ropes penetrate throughthe through holes and are fixedly connected with the end face of the bridge plate. Through the rubber bridge plate connected between the two lake shores and the fixing mechanisms and the lifting mechanisms used for improving stability and safety of the bridge plate, normal passage of persons is guaranteed, and ornamental value and enjoyment of the shape-changing bridge are improved.

The invention discloses a telescopic trestle attached to a cantilever beam of a self-elevating drilling platform and an application method. The telescopic trestle is installed on the side wall of the cantilever beam of the self-elevating drilling platform. The telescopic trestle comprises a jacking device, a mechanical transmission device, a trestle fixed section, a trestle movable section, a guide rail, a folding guardrail, a crawler-type wire groove, a telescopic inclined ladder and an implantation mechanism. According to the telescopic trestle provided by the invention, by virtue of the characteristics of the cantilever beam of the self-elevating drilling platform and the folding and telescopic characteristics of the self-elevating drilling platform, the connection of the self-elevating drilling platform and the fixed platform is realized, the working range of the trestle is enlarged, the platform mounting space is saved, and the construction form of a traditional trestle is changed; and the labor cost for building the trestle is saved.

The invention discloses a temporary construction trestle suitable for a sludge area and a construction method, the temporary construction trestle comprises an upper structure and a lower structure of a bridge deck system, and the lower structure comprises a connecting assembly, a buoyancy box and a plurality of positioning assemblies; the connecting assembly is used for connecting the bridge deck system superstructure and the buoyancy tank; the positioning assembly is formed by connecting a positioning pile and an uplift pile which is provided with a tip end and is provided with a barb-shaped structure on a pile body; the buoyancy box is of a closed box structure which floats on the water surface when not injected with water and sinks after being injected with water. The buoyancy box is provided with a water inlet hole, a water outlet hole and a channel for the positioning assembly to penetrate through; each positioning assembly penetrates through a corresponding channel on the buoyancy tank so as to be connected with the buoyancy tank; after water is injected, the buoyancy box sinks, the positioning assembly is driven to sink, and the uplift pile is inserted into sludge. The temporary construction trestle is suitable for sludge areas, the construction process is simpler, and the construction cost is lower.