60results about "Vertical bridges" patented technology

The invention relates to a movable span lifting device of a vertical lift balance bridge. The lifting device comprises a control module, displacement detection modules and lifting mechanisms consisting of a frequency converter, a motor and a winding drum. The lifting mechanisms are four groups and respectively arranged at four corners of the movable span. Span tower frames opposite to each group of lifting mechanism are all provided with one displacement detection module and the output end of each displacement detection module is connected with the input end of the control module. The lifting device is simple in structure, easy for installation and maintenance and high in automation level, can make up a more complicated control system with various control modules which take PLC and microprocessors as cores, and has wide range of application and high cost performance. With four lifting points being raised synchronously in a balanced manner, the lifting device not only can be applied to the ascending or descending of the movable span of the vertical lift bridge, but also can be applied to a large-scale transportation support crane ship for implementing multiunit independent hoisting and hanging operation to thousands of tons of bridges, a large-scale gate unit or a large-scale railway crane control system.

A structure, which after construction is mobile and dynamic and connects two points separated by a natural or manmade obstacle, allows permanent crossing of this obstacle. The structure comprises a deformable deck (1) extending between said two points, a set of elements (2, 3), of elongate shape, having three openings (5A, 5A', 5B), a first opening (5A, 5A') at each end of the elements (2, 3) and an intermediate second opening (5B) positioned between the first two openings (5A, 5A') present at the ends of the elements (2, 3), said openings (5, 5A, 5A') accepting ball joints used to form hinges (4), each element (2, 3) being made up of a short first part between a first opening (5A) and the intermediate opening (5B) and of a longer second part between the other first opening (5A') and the intermediate opening (5B), the elements (2, 3) being arranged in pairs, with rotational mobility, about a central hinge (4) consisting of a ball in the intermediate openings (5B) of two elements (2, 3). An assembly of a number of pairs of elements (2, 3), which assembly is achieved using balls inserted into the openings (5A, 5A') arranged at the ends of each element (2, 3), is arranged along the deck (1), on one side or on both sides of the deck (1) in a plane substantially perpendicular to the axis of said hinges (4) and allowing relative movement of the elements (2, 3) from a first position towards a second position which movement takes place in said plane perpendicular to the axis of the hinges (4). Drive means (8) are positioned at one or both ends of said structure in order to adjust the length of the deck (1). The structure comprises drive means (8) arranged in such a way that when the means (8) come into action, they drive the assembly of pairs of elements (2, 3), said short parts of the elements (2, 3) being positioned on the upper part of the pairs of elements (2, 3) which are arranged at the ends of the structure while said short parts of the elements (2, 3) are arranged on the lower part of the pairs of elements (2, 3) which are arranged towards the centre of the structure so as to cause the central part of the deck (1) to adopt a dome shape when the means (8) are actuated.

The invention discloses a lift bridge and belongs to the technical field of bridges. The lift bridge comprises a horizontal bridge body arranged above a river channel. The two sides of the river channel are each provided with two supporting towers, the four corners of the bridge body are each provided with a lift arm, and the upper side of each lift arm is provided with a movable pulley block. The upper portions of the supporting towers are provided with fixed pulley blocks. A crossbeam is fixed between the supporting towers on the same side of a river bank, each crossbeam is provided with a drive device which comprises a rotary rope tube, and a lift wire rope is wound around the fixed pulley blocks and the movable pulley blocks to be wound around the rope tube. Each lift arm is further provided with an anchoring piece which is connected with one end of a balance wire rope, the upper portion of each supporting tower is further provided with a reversing guide wheel, the balancing wire ropes are wound around the reversing guide wheels, and balance weights are connected to the other ends of the balance wire ropes. In work, the balance weights can balance most gravity of the bridge body, the drive mechanism can ascend and descend the bridge body just with low power, and the lift bridge is simple in structure and low in operation energy consumption, and can be applied to the river channels which need to be open to navigation frequently.

A synchronous control integrated system for bridge lifting, comprising a monitor mechanism; an oil pressure control mechanism, connected to the monitor mechanism; a plurality of jacks, each connected to the oil pressure mechanism, respectively; and a sensor mechanism, connected to the monitor mechanism. As such, a shift variance generated by girders of a bridge may form a signal by using a sensor mechanism and jacks together transmitted on line to a monitor mechanism as a control parameter, so that the monitor mechanism may have an accurate adjustment and monitoring on an oil pressure control mechanism and the jacks, whereby completing the synchronous control operation for the bridge lifting course. Furthermore, the bridge lifting construction may have its improved accuracy and safety.

The invention discloses a lifting opening and closing mechanism of a perpendicular lifting type opening bridge, and particularly relates to the opening bridge. The lifting opening and closing mechanism is simple and reliable in structure, a balance weight body is connected with a bridge span structure through a steel wire rope which winds around a steel wire rope winding drum, a cylinder body of a hydraulic oil cylinder is arranged in the balance weight body, a piston rod of the oil cylinder is fixedly hinged to a base of the steel wire rope winding drum, a brake is arranged on the edge of the steel wire rope winding drum, upper locking mechanisms are symmetrically and correspondingly installed between the bottom face of the bridge span structure and a tower body, lower locking mechanisms are symmetrically and correspondingly installed between the bottom face of the bridge span structure and bridge piers, a centering device and a buffer are respectively arranged between the bottom face of the bridge span structure and the bridge piers, the balance weight body and the hydraulic oil cylinder are matched and connected with the bridge span structure through the steel wire rope which winds around the steel wire rope winding drum, the stable lifting operation of the bridge span structure is ensured, the matching of the brake, the buffer and the centering device ensures that the bridge span structure is safe and stable when descending, the bridge span structure is in the stable and safe lifting operation state, and the stable and efficient opening and closing of the opening bridge are achieved.

The invention relates to a hydraulic lifting type overpass which comprises a bridge deck, a floor surface and multiple oil cylinders, wherein a section of lifting bridge deck is arranged at the road surface; the two ends of the bridge deck are movably connected with the road surface; the floor surface parallel with the road surface is arranged below the bridge deck; a hydraulic lifting system is arranged below the floor surface; the bottom side of the bridge deck is correspondingly connected with the multiple oil cylinders in the hydraulic lifting system; and the bottom side of the floor surface is correspondingly connected with the multiple oil cylinders. The hydraulic lifting overpass provided by the invention can be lifted for use during rush hours and retracted through the oil cylinders when not in use, thereby being favorable for lifting and flexible use according to the traffic conditions and maintaining plane traffic; as the overpass can be lifted for use, the overpass can be set high enough to allow cars lower than 2m to pass, and trucks higher than that height can pass through the plane after the overpass is lowered in a time staggering manner; meanwhile, vehicles exceeding weight limit are not allowed to pass through the bridge deck, therefore the overpass can be built to be light and thin without considering the access of large-tonnage trucks, and the gradient can be greater.

A gangway comprising a fixed platform. A support structure is connected to the fixed platform in a manner that allows the support structure to rotate with respect to the fixed platform. A releasable position locking assembly that inhibits rotation of the support structure in a raising direction is also provided. The releasable locking assembly includes a closed-loop fluid arrangement.

A bridge for crossing a passage of a navigation channel includes a section in the form of a single span, which may be displaced by vertical translation between a base position spanning the passage, in which the span rests on fixed support sections of the bridge, and a raised position, for opening the passage, and a support structure for the span on displacement of the span, and a drive for lifting the span. The bridge has only one support structure, with the drive, located on one side of the passage to be spanned.

A vertical lifting mobile highway bridge comprises a bridge body structure, wherein hydraulic lifting mechanisms are arranged on the left side and the right side of the lower part of the bridge body structure; and horizontal locking mechanisms are arranged on bent frame columns on the left side and the right side of the bridge body structure. The hydraulic lifting mechanisms comprise lifting cylinders and fixed supports, wherein piston rods of the lifting cylinders are connected with the bridge body structure through supports. The horizontal locking mechanisms comprise horizontal cylinders and locking beams, wherein piston rods of the horizontal cylinders are connected with the locking beams through supports. Through adoption of the vertical lifting mobile highway bridge provided by the invention, a problem that the cylinders of the the traditional ship-passing structure folding mobile highway bridge are easy to be interfered with navigation ships during extending out when the traditional ship-passing structure folding mobile highway bridge is unfolded is solved, and navigation efficiencies of water conservancy navigation structures such as ship lifts, ship locks and so on are increased.

The invention discloses a coating method for an outdoors wooden fence, comprising the following steps of ageing treatment on the hence, sanding, bottom coloring, nitro transparent primer spraying, nitro glaze wiping, nitro transparent primer spraying, shading, nitro transparent finishing paint spraying, dusty wax wiping, specking, oxtail painting and nitro transparent finishing paint spraying. The invention alters decoration style of the traditional wooden fences. The outdoors wooden fence coated with the coating method of the invention has a European antique effect, adds Elements of European style for landscape architecture, and meets the requirement on decoration beautification.

A disclosed novel energy-saving self-balancing vertical lifting type movable bridge comprises an opening span, a lifting tower, a bearing sling and a driving rotary drum, self-balancing side spans are arranged in the outer sides of the lifting tower respectively, the bearing sling bypasses the driving rotary drum and then is connected with the ends, close to the lifting tower, of the self-balancing side spans, and the ends of the self-balancing side spans form vertical movable ends; and the other end of each self-balancing side span is hinged with the fixed part to form a connecting structure capable of rotating up and down, so that the vertical movable end of the self-balancing side span is adjacent to the opening span. By means of the structural self-weight of the rotatable self-balancing side spans and the additional balance weight arranged in the self-balancing side spans, the vertical gravity of the self-balancing side spans at one side of the lifting tower is approximately equal to the vertical gravity of one end of the opening span, so that the balance weight arranged in the lifting tower is completely omitted, the applicable span of the vertical lifting type movable bridge is expanded, and the energy consumption of opening and closing operation can be reduced.

The invention discloses a lifting pedestrian overpass. The lifting pedestrian overpass comprises a bridge deck and escalators connected to the two ends of the bridge deck. The two ends of the bridge deck are hinged to the upper ends of the two escalators correspondingly, and the lower ends of the two escalators are slidably connected with the ground on the two sides of the road correspondingly. Aplurality of first hydraulic cylinders are arranged between the bridge deck and the ground, all the first hydraulic cylinders are installed in an installation cavity of the road, and the first hydraulic cylinders drive the bridge deck to ascend to make the two escalators obliquely connected between the bridge deck and the ground on the two sides of the road. The lifting pedestrian overpass furthercomprises a steel plate; all the first hydraulic cylinders are multi-stage first hydraulic cylinders and stretch out and draw back synchronously, the steel plate is fixed to telescopic rods of the same stage of all the first hydraulic cylinders, all the first hydraulic cylinders ascend to the highest point, and then the steel plate ascends to be flush with the ground from the interior of the installation cavity. Traffic jam is alleviated, pedestrian and vehicle diversion is realized, and pedestrian protection is improved.

An apparatus comprising a gangway having a proximal end and a distal end. A cage assembly is connected to the distal end of the gangway. The apparatus further comprises a container spotting system including a camera mounted such that its field of view will show a hatch cover of a container when the hatch cover is in a predetermined location. Video electronics are in electrical communication with the camera. The container spotting system further includes a display device in electrical communication with the video electronics, the display device being operative to show at least a selected portion of the field of view of the camera. The camera may comprise an outdoor dome camera mounted to an underside of the gangway.

The invention relates to a bridge, particularly for crossing a passage of a navigation channel. The bridge comprises a section in the form of a single span (3), which may be displaced by vertical translation between a base position spanning the passage (2), in which the span (3) rests on fixed support sections of the bridge and a raised position, for opening the passage and a support structure for the span on displacement thereof and means for lifting the span. The bridge is characterised in having only one support structure (12), provided with lifting means (14), arranged to one side (5) of the passage (2) to be spanned. The invention is of use for bridges spanning a river.

The invention discloses a steel structure trestle with an extension frame and an implementation method of the steel structure trestle, and belongs to the technical field of trestles. In order to solve the problems that existing trestles are mostly of a fixed structural design, so that the overall stability of the existing trestles can be guaranteed, a telescopic movable trestle has a certain defect in stability, and a height difference exists between a trestle road at an extension position and an original trestle road, an extension staggered shaft steel frame is mainly composed of an upper part and a lower part; wherein a bearing hydraulic rod piece is arranged on one side of the movable steel sleeve, the bearing hydraulic rod piece is connected with the bridge floor trestle road above the bearing hydraulic rod piece and can control the lifting operation of the bridge floor trestle road, and the fixing sliding seat below the bearing hydraulic rod piece is connected with a transverse bridge used for supporting the whole trestle road structure. Bidirectional telescopic moving operation is achieved between the movable steel sleeve and the retention sliding seat through a driving wheel structure, and therefore lifting and moving operation of the bridge deck plank road is achieved.

The invention provides an easily adjustable bridge girder plate support device and relates to the field of bridges. The easy-to-adjust bridge girder plate support device includes a base, a housing is fixedly installed on both sides of the top of the base, and a vertical rod is interspersed on the side of the housing away from the base, and the vertical rod is close to the side of the housing. One end runs through the top of the housing and extends to the inside of the housing. The end of the vertical bar away from the housing is rotatably connected to a sleeve, and the ends of the two sleeves away from the vertical bar are fixedly connected through a plate. A support plate is fixedly installed on the top, and a raised block is fixedly installed on the top of the support plate. The easy-to-adjust bridge girder slab support device achieves the convenience of fixing the bridge girder slab support device by setting the motor, slide plate, slider, screw rod, bushing, nut, buffer piece, strut and limit plate. The effect of the installation facilitates the use of the user, thereby also improving the working efficiency of the bridge girder plate support device.

The invention relates to the technical field of highway bridges, in particular to a vertical jacking movable highway bridge. The vertical jacking movable highway bridge comprises an oil cylinder supporting assembly, a steel rope traction assembly and a highway bridge body; the oil cylinder supporting assembly comprises a first supporting oil cylinder and a second supporting oil cylinder, and the first supporting oil cylinder and the second supporting oil cylinder are installed in a left groove and a right groove below the ground at the two ends of the highway bridge body; guide rails are correspondingly arranged at the two sides of the inner walls of each of the left groove and the right groove; guide wheels are correspondingly arranged at the two sides of the tops of cylinder shafts of each of the first supporting oil cylinder and the second supporting oil cylinder; the tops of the cylinder shafts of the first supporting oil cylinder and the second supporting oil cylinder are connected with the two sides of the bottom face of the highway bridge body respectively. According to the vertical jacking movable highway bridge, through the cooperation of rope pulling traction of steel ropes and jacking of the supporting oil cylinders, dual purposes of pull-up or descending are achieved, and thus jacking and descending of the bridge body are guaranteed; the vertical jacking movable highway bridge is convenient to operate, dual jacking protection is achieved, hidden safety hazards are avoided, normal use of the highway bridge body is guaranteed, and the maintenance cost is also reduced.

The invention relates to flood-fighting bridge equipment, in particular to multifunctional flood-fighting bridge equipment for roads and bridges. The equipment comprises a lifting mechanism, a bridgebody extension mechanism, a pressing mechanism and a flood blocking mechanism. The equipment can enable the bridge to lift. when the bridge rises, the length of the bridge surface can be increased andthe bridge can be continuously lapped on two banks; the equipment can block water flow and increase the gravity of the bridge surface to the lower side when the water flow is blocked, the lifting mechanism is connected with the bridge body extending mechanism, the pressing mechanism is connected with the lifting mechanism, the flood blocking mechanism is connected with the lifting mechanism, andthe pressing mechanism is connected with the flood blocking mechanism.

The invention discloses a novel level crossing bridge in the center of a road of a straight crossing. The novel level crossing bridge is arranged on a straight crossing and comprises a fixing platform(1), wherein the fixing platform (1) is positioned above a road; the left end and the right end of the fixing platform (1) are respectively connected with two sets of approach bridges which are distributed transversely; the front end and the rear end of the fixing platform (1) are respectively connected with two sets of approach bridges which are distributed longitudinally; each set of the approach bridges comprise an upper approach bridge (2) and a lower approach bridge (3); the inner side end of each upper approach bridge (2) is connected with the fixing platform (1); the outer side end ofeach upper approach bridge (2) is connected with the inner side end of lower approach bridge (3); the outer side end of each lower approach bridge (3) is connected with the pavement of a horizontal road. By adopting the novel level crossing bridge, the problem of crossing collision of vehicles running in directions at a level crossing of a city can be effectively alleviated, the traffic burden ofthe level crossing can be alleviated, and safe and smooth traffic can be ensured.

The invention discloses a lift type steel trestle device for warehousing roller compacted concrete and belongs to the technical field of concrete construction. The lift type steel trestle device comprises a prefabricated block, a first bridge body, a lifting mechanism, a second bridge body and a third bridge body, wherein the prefabricated block comprises a first fastening surface, a second fastening surface and a joining end; the first bridge body comprises a first end, a first body and a second end; the lifting mechanism comprises a first supporting surface and a second supporting surface; the second bridge body comprises a third end, a second body and a fourth end; and the third bridge body comprises a fifth end, a third body and a sixth end. The lift type steel trestle device disclosedby the invention achieves the technical effects that the elevation of a joining part of a concrete pouring position and a concrete transportation road can be kept consistently anytime, the warehousing speed of the roller compacted concrete is increased, and the construction progress is accelerated.

The invention discloses a tunnel excavation supporting trolley and a construction method and an operation method thereof, wherein the tunnel excavation supporting trolley is characterized in that a trolley assembly is detachably connected with a lifting main bridge, and a hydraulic lifting system is used for controlling lifting of an approach bridge and the lifting main bridge so that a separated lifting trestle can be switched between a construction mode and a traveling mode; when the separated lifting trestle is in the construction mode, the approach bridge is lifted, walking wheels touch the ground, the lifting main bridge is lifted and separated from the trolley assembly, and the trolley assembly moves on the ground of a tunnel to conduct construction on the tunnel; and when the separated lifting trestle is in the traveling mode, the approach bridge is lowered to the ground of the tunnel, the walking wheels are lifted, the lifting main bridge is lowered to be fixed to the trolley assembly, and the trolley assembly is fixed to the ground of the tunnel. By means of the tunnel excavation supporting trolley in the embodiment, the separated lifting trestle is flexible, can be switched between the two modes, and cannot limit the traveling height, so that the tunnel excavation supporting trolley is more suitable for tunnel construction.

The invention relates to a marine bridge having commerce and housing function and capable of sinking and floating. The marine bridge can effectively overcome the influence of typhoons and sea waves, and has the characteristics of capacity of facilitating commerce and housing and transport, capacity of facilitating the sailing of ships, high safety, simple structure and low cost to solve the technical problems. The technical scheme is that: a sinking-floating cabin bridge comprises a plurality of bridge piers of which the bottom ends are inserted and fixed in the seabed and the top ends vertically extend out of the sea surface and which are arranged in order, and is characterized by also comprising cabin bridges connected to the bridge piers, wherein the cabin bridges are waterproof closed cabins, and are connected in turn to form the bridge for passing. Two ends of each cabin bridge are connected with each bridge pier through guide rail structures capable of moving up and down; and each guide rail structure comprises a vertical guide rail manufactured on each bridge pier and rubber wheels arranged on the two ends of the cabin bridge.

A sprung gangway that is counterbalanced to remain in a given degree of extension or retraction includes a lifting resistance device that includes a linear index rail that slides selectively into and out of a hollow sheath unless engaged by a locking paw that is pivotally mounted to the sheath via a pivot bar, which when pivoted by tugging on a release cord effects disengagement of the locking paw and thereby permits raising of the gangway from the lowered working orientation to a storage orientation.

A scissor lifting and retractable time-division overpass belongs to the field of road transportation facilities, and is composed of a main bridge body, a sub-bridge body and a scissor lifting platform. Both ends of the bridge have the same structure and are symmetrically distributed. The scissor lifting and retractable time-division overpass has the beneficial effects that the main bridge body canrise and fall and the sub-bridge body can be retracted, when the sub-bridge body is retracted to the inside of the main bridge body, the overall length can be reduced, the space can be saved, thus the entire overpass can be conveniently transported, in times of heavy traffic, at areas with dense crowds, the scissor lifting and retractable time-division overpass can be temporarily constructed to serve as a temporary overpass, so that pedestrians and vehicles can pass conveniently, the rise and fall of the main bridge body and the retracting of the sub-bridge body can be carried out at the sametime, the construction and transfer efficiency is high, convenience and efficiency are achieved, and traffic jams can be effectively solved.

The invention relates to a marine bridge having commerce and housing function and capable of sinking and floating. The marine bridge can effectively overcome the influence of typhoons and sea waves, and has the characteristics of capacity of facilitating commerce and housing and transport, capacity of facilitating the sailing of ships, high safety, simple structure and low cost to solve the technical problems. The technical scheme is that: a sinking-floating cabin bridge comprises a plurality of bridge piers of which the bottom ends are inserted and fixed in the seabed and the top ends vertically extend out of the sea surface and which are arranged in order, and is characterized by also comprising cabin bridges connected to the bridge piers, wherein the cabin bridges are waterproof closed cabins, and are connected in turn to form the bridge for passing. Two ends of each cabin bridge are connected with each bridge pier through guide rail structures capable of moving up and down; and each guide rail structure comprises a vertical guide rail manufactured on each bridge pier and rubber wheels arranged on the two ends of the cabin bridge.