40results about "Movable bridges" patented technology

The invention discloses a telescopic trestle system and a control method thereof. The telescopic trestle system is mounted on a support platform or a support ship and comprises a cylinder body arranged on the support platform or the support ship, a rotary chassis is connected to the cylinder body through a rotary mechanism, a hydraulic pump station and a cab are arranged on the rotary chassis, a trestle fixing section is connected to the rotary chassis, the hydraulic pump station is connected with the trestle fixing section through a variable-amplitude mechanism, the front end of the trestle fixing section is connected with a trestle moving section through a telescopic mechanism, and a landing device and an inclined ladder are arranged on the front end of the trestle moving section. The telescopic trestle system further comprises a motion compensation control system, and the motion compensation control system comprises a filter module and a controller module. According to the telescopic trestle system and the control method thereof, the safety conveying problem of personnel under the offshore severe sea condition is solved, and conveying of electricity, water, oil and mud can be provided.

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 relates to a system and method for automated deployment of a passenger boarding bridge. The system and method have proximity sensors coupled to a distal end thereof and include a first movement mechanism for extension and retraction thereof. A processor receives signals from the proximity sensors and, based thereon, selectively generates and provides control signals to the first movement mechanism to automatically extend the structure to a predetermined position against a vehicle positioned in a predetermined area. A flexible boot is attached to the distal end of the structure. The processor generates and provides control signals to a second movement mechanism coupled to the flexible boot to extend the flexible boot against the vehicle. The processor also monitors and identifies any changes in a positional relationship between the flexible boot and the vehicle after initial extension thereof and provides generated control signals to the first movement mechanism to restorethe structure to the predetermined position.

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 three-degree-of-freedom offshore gallery bridge device with motion compensation capability, which comprises a telescopic gangway ladder and a three-degree-of-freedom stable platform, and the three-degree-of-freedom stable platform is movably connected below the telescopic gangway ladder. According to the device, three servo electric cylinders are adopted to control the pose of an upper stabilized platform of a three-degree-of-freedom stabilized platform in real time, and when a ship is subjected to complex disturbance generated by wind, wave and flow loads, main motion compensation control is carried out on an offshore gallery bridge device through real-time control over the three servo electric cylinders; so that the upper stable platform is kept in a horizontal state all the time, and then the gangway ladder is kept in the horizontal state, and therefore pose control over the offshore gallery bridge is achieved; furthermore a telescopic column is added on the three-degree-of-freedom stabilized platform for limiting torsion of the stabilized platform, rolling bearings are arranged on eight surfaces of the telescopic outer column and the telescopic inner column and are used for overcoming friction force generated in a platform movement process, so that the platform can quickly and stably operate.

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.

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.

The present invention discloses a floating box and a floating box unit for a floating bridge, relating to the technical field of floating foundation structures. It includes a floating box main body, which comprises at least one box body, and each box body is internally provided with a receiving cavity communicated with the water environment; a water inlet and drainage device, which is arranged in the receiving cavity and is used for forming a plurality of small cavities and adjusting the water levels in each small cavity according to the tide level so as to control the force balance of the floating box main body; and a plurality of tension legs, one end of each tension leg is connected to the floating box main body, and the other end is used for connecting to a seabed foundation. By means of the water inlet and drainage device arranged in the receiving cavity, a plurality of small cavities can be formed, and the water levels in each small cavity can be adjusted according to the tide level to control the force balance of the floating box main body. It can be adjusted in blocks and does not require the use of multiple pumping and drainage pumps, which can effectively reduce the noise during use and simplify the structure at the same time, solving the problems of serious noise during the use of multiple pumping and drainage pumps and complex structure of the floating box in the prior art.

The invention discloses a slideway guide mechanism for a bridge span of an emergency mechanized bridge. The slideway guide mechanism comprises a guide roller assembly and supports, the supports are fixed to the two sides of a bridge span cross beam, and the upper surfaces of the supports are provided with limiting grooves I and limiting grooves II in the direction away from the sliding ways. The whole guide roller assembly is cylindrical, one end of the guide roller assembly is provided with a kidney-shaped hole and rotationally connected to the support, a limiting shaft is arranged on the guide roller assembly, and when the guide roller assembly rotates to the position where the axial direction of the guide roller assembly is perpendicular to the plane where the sliding way is located, the limiting shaft falls into the limiting groove I, and vertical locking is achieved; when the guide roller assembly rotates until the axial direction of the guide roller assembly is parallel to the plane where the sliding way is located, the limiting shaft falls into the limiting groove II, and horizontal locking is achieved.

The invention discloses a telescopic trestle attached to a cantilever beam of a self-elevating drilling platform and an application method thereof. The telescopic trestle is installed on the side wall of the cantilever beam of the self-elevating platform; the telescopic trestle includes a top supporting device, a mechanical transmission device, a trestle Fixed section, movable section of trestle, guide rail, folding guardrail, crawler-type trunking, telescopic inclined ladder, implantation mechanism. The telescopic trestle bridge provided by the present invention realizes the connection between the jack-up drilling platform and the fixed platform by virtue of the characteristics of the cantilever beam of the jack-up drilling platform and its own foldable and telescopic features, improves the working range of the trestle bridge, and saves the platform The installation space has changed the construction form of the traditional trestle bridge and saved the labor cost of trestle construction.

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 relates to the technical field of transfer bridge building, in particular to a method for building a cross-track temporary transfer bridge for entering business line construction equipment, and the safety, the stability and the efficiency of building the cross-track temporary transfer bridge are improved. The method comprises the following steps: acquiring multi-dimensional structure data and construction equipment basic parameters of a business line construction site; carrying out feasibility analysis on the multi-dimensional structure data to obtain a transfer bridge erection supporting point position set; carrying out stress analysis on the basic parameters of the construction equipment to obtain a load-bearing lower limit index of the transfer bridge; according to the transfer bridge erecting supporting point position set and the transfer bridge bearing lower limit index, a station track-crossing temporary transfer bridge erecting scheme is formulated; building a test transfer bridge outside the yard according to the cross-track temporary transfer bridge building scheme, carrying out a load-bearing test on the test transfer bridge, and obtaining a transfer bridge building optimization scheme according to the building process and the load-bearing test result; and the transfer bridge erecting optimization scheme is applied, construction materials and personnel are arranged, and erecting operation of the station track-crossing temporary transfer bridge is carried out.

A pedestrian overbridge vehicle comprises a vehicle chassis. Hydraulic cylinder supporting legs are distributed below a frame of the vehicle chassis, a control cabinet is arranged on the frame of the vehicle chassis, the frame of the vehicle chassis is connected with a platform through distributed lifting hydraulic cylinders, the rear end of the platform is connected with an overbridge stairway and provided with an overbridge stairway winding mechanism, and the platform surface of the platform is provided with an overbridge body capable of stretching out and drawing back towards one side of a vehicle body; the overbridge body is provided with two rows of vertical shafts which are arranged longitudinally, hydraulic cylinder type telescopic cross pull rods and fixed cross pull rods, wherein the hydraulic cylinder type telescopic cross pull rods and the fixed cross pull rods are arranged longitudinally and alternatively and symmetrically arranged in an up-and-down mode; the two ends of each hydraulic cylinder type telescopic cross pull rod and the two ends of each fixed cross pull rod are in hinged connection with the corresponding vertical shafts, an overbridge body side plate is arranged between every two adjacent vertical shafts and is in hinged connection with the vertical shafts, and the inner side of the lower portion of each overbridge body side plate is provided with towing parts used for being connected with overbridge floor plates; one end of the overbridge body is connected with the platform, and the other end of the overbridge body is provided with overbridge body butt-joint connecting parts. The pedestrian overbridge vehicle can be used for composing a temporary pedestrian overbridge easily, conveniently and rapidly.

The invention discloses a novel bridge, which comprises a base and a first cavity arranged in the base and penetrating back and forth, wherein a second cavity, which is located above the first cavity,is formed in the base; a generator is embedded in the inner wall at the left end of the first cavity; the end of the right end of the generator is connected with a first transmission shaft extendingleft and right; impellers with equidistant distribution are arranged on the first transmission shaft successively from left to right; isolated support plates, which are connected with the first transmission shaft in the rotation manner, are arranged between each two of the impellers; a first generator is embedded in the inner wall at the rear end of the second cavity; the tail of the front end ofthe first generator is connected with a second transmission shaft extending forward and backward in the motivation manner; the inner wall of the bottom of the second cavity is fixedly connected with afirst fixed block. According to the invention, the bridge is simple in structure, strong in integrity, convenient to construct, self-sufficient in hydroelectric power, and strong in practical performance.

A ferry bridge having two sets of posts anchored on either side of a thoroughfare, support at height a deck over which a carriage moves, wherein a pod is suspended from said carriage for providing the transport of vehicles and passengers between two ferry docks on either side of said thoroughfare, the platform of said pod being divided into a central area dedicated to the transport of vehicles and two side areas dedicated to the transport of passengers. the entrances to the passenger transport areas are arranged on the outer lateral sides of the pod relative to the axis of movement (A) of the pod. The entrances to the vehicle transport area are arranged on the sides opposite said lateral sides, and the ferry docks for the pod comprise a means for separating the vehicles and the passengers into two streams directed toward the specific entrances thereof, respectively.

The invention provides an assembly type temporary steel bridge. The assembly type temporary steel bridge comprises a base, a butt joint rod, a pipe pile assembly, a frame beam and a bridge deck. The tubular pile assembly is supported and mounted between the base and the frame beam; clamping pieces are installed at the two ends of the frame beams, the bridge deck slab is erected between the multiple frame beams, and the clamping pieces clamp and lock the two sides of the bridge deck slab; butt-joint assemblies are installed at the two ends of each base, one end of each butt-joint rod is detachably installed on the corresponding butt-joint assembly and swings with the corresponding butt-joint assembly as a fulcrum, the other end of each butt-joint rod is erected on the butt-joint assembly of the other base, and the two bases are aligned through the two butt-joint rods. By means of the structural component with the alignment function, quick and effective alignment can be conducted, the probability of positioning deviation is reduced, the accuracy of follow-up installation of other structural components is guaranteed, and the overall construction efficiency is improved.

UGV bridging system includes a first end of a first elongated span of a hinged bridge structure disposed on a deployment support bracket which is secured to a UGV. A second elongated span is hingedly supported at a second end of the first elongated span opposed from the first end. A tension element applies a tension force to the first elongated span at a location intermediate the first and second ends. The tension force secures the first elongated span in a stowed position adjacent the deployment support bracket. A retention element associated with the deployment support bracket prevents the second elongated span from rotating about the hinge axis in response to a spring bias force. Deployment involves pivoting the first elongated span and concurrently releasing the second elongated span from the retention element in response to the extending.

The present application relates to the technical field of temporary bridge erection, and particularly relates to a method for erecting a temporary crossing-track bridge for the access of business line construction equipment, which improves the safety, stability and efficiency of the temporary crossing-track bridge erection; the method comprises the following steps: obtaining multi-dimensional structure data and construction equipment basic parameters of a business line construction site; performing feasibility analysis on the multi-dimensional structure data to obtain a set of bridge erection support points; performing stress analysis on the construction equipment basic parameters to obtain a bridge load lower limit index; formulating a crossing-track temporary bridge erection scheme according to the set of bridge erection support points and the bridge load lower limit index; erecting a test bridge outside the site according to the crossing-track temporary bridge erection scheme, and performing a load test on the test bridge; obtaining a bridge erection optimization scheme according to the erection process and the load test result; and arranging construction materials and personnel to perform the crossing-track temporary bridge erection operation according to the bridge erection optimization scheme.

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.