60results about "Vertical bridges" patented technology

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.

The present invention relates to a main span depth variable lower secondary span short slope road overpass bridge. It is a road overpass bridge constructed by utilizing main crosshole and making it be connected with lower secondary crosshole and short bridge grade section. Said main crosshole is equipped with a device capable of making bridge be heightened and opened. Said road overpass bridge can completely solve the problem of urban traffic block.

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.

Provided is a boarding bridge. The boarding bridge includes: a fixed tunnel of which one end is connected to a terminal or an extended fixed tunnel; and a rotunda of which one end is connected to the other end of the fixed tunnel and which is supported by a rotunda column. The rotunda column is driven to raise or lower the rotunda.

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.

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 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.