434results about "Bridge applications" patented technology

The invention discloses a variable-cross-section stacked box rigid frame aqueduct, a cantilever hanging basket and a prestress tensioning method in the field of prestressed concrete aqueducts, the transverse section of a water passing groove is a U-shaped section, and the U-shaped section of the water passing groove is far superior to a rectangular section in the aspects of water delivery flow conditions and flow passing capacity; a prestress continuous rigid frame structure form of a U-shaped water passing upper tank with a variable cross-section rectangular lower tank stacked upwards and a guide groove unified cross section and a two-system four-way prestress system are arranged, the concrete stress of the upstream face of the U-shaped water passing groove can be accurately and effectively controlled to be kept in a uniform compression state with a certain numerical value, and the anti-seepage and durability functions of the aqueduct are ensured. According to the tensioning method, the vertical steel beams and the U-shaped steel beams are partially tensioned firstly, so that the aqueduct web has certain vertical pressure stress, then longitudinal prestress is tensioned, the effect of the vertical steel beams and the U-shaped steel beams is prevented from being weakened by the longitudinal prestress, and pressure stress reserve of the upstream face of the U-shaped groove is guaranteed; the pouring hanging basket prevents the formwork from floating or shifting in the pouring process of the variable-thickness middle partition plate.

The invention relates to the technical field of ice bridges, and discloses an ice bridge for river-crossing transportation in a cold region and a construction method. The pine rods perpendicular to the water flow direction are placed perpendicular to the water flow direction and used for enhancing the ice bridge structure; the pine rods parallel to the water flow direction are placed parallel to the water flow direction and are alternately matched with the pine rods perpendicular to the water flow direction to form a stiffened framework of the ice bridge; the natural ice surface serves as a foundation of the ice bridge and bears transportation loads. The designed width of the ice bridge is 6-8 m, and the snow cleaning width of the ice surface at the ice channel is 20-25 m. The bearing capacity and stability of the ice bridge can be greatly improved through a reasonable construction method such as multi-layer ice layer reinforcement and wooden pole framework supporting. The basic layer of the ice bridge adopts the basic ice layer with the thickness of 50cm, and the strength of the second reinforcing ice layer is further enhanced, so that the bearing capacity of the ice surface is enhanced, and heavy vehicles and mechanical equipment can be supported.

Disclosed in the present invention is a spatial three-dimensional suspended corridor, comprising a suspended corridor that connects indoor floor passageways, wherein diagrid columns are provided on all edge portions of the indoor floor passageways; the suspended corridor comprises several fixed segments and several bridge deck segments from bottom to top; and the fixed segments or corner segments are all connected to the corresponding bridge deck segments by means of node connecting components. In the present invention, by means of some implementable tests and on the basis of having a preliminary understanding of the stress performance of a corridor structure, a corridor simulation model is also established, parameters of the model are continuously optimized for repeated debugging, preliminary stress performance calculations are then performed and compared with results of some previously conducted tests, and if results are quite similar to the test results, this proves that the model is relatively optimal, that is, an optimized model is obtained, and then this model is used to analyze other more complex performances of the corridor. The optimization objective of the present invention is to make the structure and stress of an aerial corridor safer, more reliable and more comfortable.

The trestle comprises a main bridge, a moving seat and a rock drilling mechanism, the main bridge and the moving seat can move longitudinally, the rock drilling mechanism can swing transversely, the main bridge is provided with a passing part allowing vehicles to pass and a longitudinal moving rail allowing the moving seat to move, the longitudinal moving rail is arranged below or on the side face of the passing part, and the rock drilling mechanism is connected with the moving seat. The excavation method comprises the steps that S1, the main bridge walks in place; s2, the front approach bridge moves forwards to be in lap joint with a to-be-excavated step, a protective cover moves to an avoiding position, a moving seat drives a rock drilling mechanism to move forwards, and the rock drilling mechanism conducts shot hole rock drilling on the to-be-excavated inverted arch end face; s3, the rock drilling mechanism and the front approach bridge retreat to the safety area, and the protective cover moves to the front of the rock drilling mechanism; s4, charging and blasting in each shot hole of the inverted arch, and removing slag; and S5, the steps S2 to S4 are executed repeatedly till the whole construction interval of the inverted arch is excavated. The device has the advantages that the structure is reliable, rock drilling and vehicle passing deslagging can be considered, and the construction progress can be improved.

The invention belongs to the technical field of aqueduct maintenance, and particularly discloses a high and large aqueduct body concrete spraying and maintaining device which comprises two main beams, a plurality of main beams and a plurality of auxiliary beams. The number of the straining beams is multiple, the multiple straining beams are sequentially distributed in the length direction of the two main beams, and the two ends of each straining beam are fixedly connected with the two main beams correspondingly; the rails are arranged in two rows, the two rows of rails are arranged on the two sides of the top end of the aqueduct body respectively, and the two main beams are perpendicular to the rails and are in sliding fit with the two rows of rails; the water tank is mounted at the top ends of the two main beams; the number of the spraying pipes is two, the two spraying pipes are located on the two sides of the aqueduct body respectively, and gaps are formed between the spraying pipes and the aqueduct body; the upper part of the spraying pipe is connected with the main beam; the water tank is communicated with the spraying pipe through a pipeline, and the pipeline is connected with a booster pump; and a plurality of spray heads are mounted on the spray pipe. Spraying maintenance can be conducted on the aqueduct body on the outer side of the aqueduct body, and the maintenance quality is improved.

A method for erecting a portion of a transportation structure including two assemblies of tube segments, capable of being placed under low air pressure and through which pods may travel substantially free of air friction, the method including: (a) erecting a substructure including a first plurality of girders forming a first transportation pathway, a second plurality of girders forming a second transportation pathway and a plurality of platforms forming a service pathway, the erecting step including conveying with vehicle(s) the girders and platforms along the first and / or second transportation pathway, positioning them and having the vehicle(s) return along the service pathway, (b) conveying, with vehicle(s), the tube segments along the first and / or second transportation pathway, positioning them and having the vehicle(s) return along the service pathway. A portion of a transportation structure is also provided.

The invention relates to a synchronous removal deep foundation pit for deeply burying large waste rafts in a sensitive environment and a construction method. Comprising a prefabricated assembly type trestle plate step-by-step reinforced concrete supporting trestle technical system, a steel casing and rapid prefabricated assembly type water collecting pit setting technical system, a waste bottom plate block-by-block breaking-first-cutting-crushing-dismantling technical system and a reserved pile filling hole position segment-by-segment block-by-layer backfilling technical system. The construction method has the beneficial effects that rapid construction of the reinforced concrete supporting trestle is achieved, the structural stability is guaranteed, and the construction efficiency is improved; high efficiency and quality control of construction of the stand column pile are achieved, meanwhile, the concrete over-filling amount is reduced, and the construction economical efficiency is improved; rapid setting and automatic management of the sump are realized, and the construction efficiency and the reliability of a drainage system are effectively improved; safe and efficient dismantling of the waste bottom plate is achieved, the construction precision is guaranteed, and the operation efficiency is improved.

A bridge structure for bearing a gravel aggregate transportation corridor relates to the technical field of bridge engineering and comprises two spans of box girders, and each span of box girder comprises a No.0 girder section, a No.1 girder section and a closure girder section. The zero beam section is located at the top of a pier column, the first beam section is anchored on the zero beam section through a pre-stressed anchor cable, the folding beam section is divided into two spans and arranged on the two sides of the first beam section, the lower portion of a pier is provided with a swivel system, a double-swivel structure is adopted, in the construction process, swivel folding is conducted after cast-in-place is conducted on the two sides of an existing railway line, and operation safety of the existing railway line in the construction period is guaranteed. A bottom plate of the folded box girder is in a plane shape, a top plate of the box girder is in a parabola shape, the whole box girder is in an upper-curved and lower-flat shape, and a gravel aggregate conveying machine is installed on the bottom plate in the box girder. Different from an arch bridge structure of a traditional bridge, the arch bridge structure is inverted up and down, the problem that a transportation corridor is arranged on a girder web is solved, safety risks caused by the fact that the transportation corridor is arranged on the top of the bridge are avoided, and operation cost is reduced.

The utility model discloses a tunnel underground excavation reinforcing structure which comprises retaining structure pile foundations on the two sides, a pair of bearing platform structures and a pile foundation below a bearing platform arranged below the bearing platform structures, the retaining structure pile foundations are located on the outer side of the pile foundation below the bearing platform, and bridge end butt straps are arranged on the tops of the retaining structure pile foundations on the two sides. An arc-shaped pipe shed structure is arranged on the bridge end butt strap, a reinforcing layer structure is arranged between the bridge end butt straps on the two sides, and a cantilever bridge structure is arranged between the bearing platform structure and the reinforcing layer structure. The tunnel subsurface excavation reinforcing structure is reasonable in design, is supported by the vertically associated reinforcing structures and the arched cantilever bridge, is stable and reliable in reinforcement, can effectively control settlement, fully utilizes the existing main body and enclosure structure pile foundations, and is simple and convenient to construct and relatively low in construction cost.

The utility model provides a trestle structure for bridge pier construction, and relates to the technical field of bridge construction, a bracket is arranged above a bridge pier, two groups of trestle frames are spliced above the bracket, limiting plates are arranged above the two groups of trestle frames, the middle parts of the limiting plates are fixedly connected to the trestle frames, and the two ends of the limiting plates are fixedly connected to the bracket; trestle plates are arranged on the limiting plates and the upper surface of the trestle frame. Due to the arrangement of the limiting plates, when the length of the bracket is large, the connecting positions of the bracket and the trestle frames on the two sides are increased, the contact area for supporting the trestle frames is also increased, and the trestle can walk on the trestle plate more stably; the trestle frames are fixed to the brackets through the limiting plates, the lower portions of the ends of all the trestle frames are restrained by the brackets, the upper portions of all the trestle frames are restrained by the limiting plates, the limiting plates apply downward force to the trestle frames at the two ends of the trestle frames, the risk of deformation of the trestle frames is reduced, the trestle frames are kept straight, the quality of the trestle is improved, and the service life of the trestle is prolonged.

The utility model provides a mechanical platform moving system which is used for solving the problem that a vehicle cannot pass through a deep pit. The mechanical platform is installed at the bottom of the deep pit, when a vehicle needs to pass through the deep pit, the mechanical platform moves from the initial position to the stop position, the supporting legs extend out, the mechanical platform is made to have stability, a section of mechanical road surface is formed on the deep pit, and the vehicle can pass through the mechanical platform; when the vehicle is not allowed to pass through the deep pit, the supporting legs are withdrawn, the mechanical platform moves to the initial position, the mechanical road surface on the deep pit disappears, and the vehicle cannot pass through. The utility model has the advantages of high reliability, high stability and high bearing performance.

The invention discloses a heat preservation integrated floor slab system of an assembly type modular steel structure trestle, and belongs to the technical field of assembly type steel structure trestles. A floor slab module is composed of a plurality of prefabricated concrete groove-shaped plates arranged in sequence, and heat preservation materials are arranged at the bottoms of the prefabricated concrete groove-shaped plates; the multiple prefabricated concrete groove-shaped plates are sequentially arranged in the square frame in the length direction of the end transverse beams. Compared with an existing traditional floor slab system construction mode, installation is convenient and efficient, and on-site wet operation is little.

The utility model discloses a multifunctional assembly type water retaining table which comprises a plurality of assembly blocks, the assembly blocks comprise a first assembly block installed in a linear butt joint mode and an L-shaped second assembly block installed at the corner, grooves are formed in the two ends of the first assembly block and the two ends of the second assembly block, and installation boxes are fixedly arranged in the grooves. A cover plate is arranged at an opening in the outer side end of the mounting box; a plurality of channels communicated with the grooves in the two ends are formed in the assembly blocks, the channel of the first assembly block is linear, and the channel of the second assembly block is broken line-shaped; a water conveying pipe and a wiring pipe are arranged in the channel in a penetrating manner; the end parts of the water conveying pipe and the wiring pipe extend into the corresponding mounting boxes in a penetrating manner; the water conveying pipes and the wiring pipes between the adjacent assembly blocks are communicated through pipeline connecting pieces penetrating through the cover plates. The structure is very convenient to construct and install and has multiple functions of water retaining, fire fighting, construction water conveying, cable laying and the like, and the assembly type structure can be repeatedly used, so that the construction period is greatly shortened, and more energy conservation and environmental protection are achieved.

The utility model relates to the field of constructional engineering, in particular to an assembly type combined steel trestle structure. According to the technical scheme, the device comprises a trestle beam fixedly arranged in a foundation pit; the trestle box is fixedly laid above the trestle beam; and the antiskid panel is fixed on the surface of the trestle box. The foundation pit trestle has the beneficial effects that by arranging the trestle box assembled through the steel structure, rapid mounting and dismounting of the foundation pit trestle are achieved, input of unrecyclable resources and generation of construction waste are greatly reduced, carbon emission is reduced, and transformation and upgrading of the construction industry are promoted.

The utility model relates to the technical field of hydraulic engineering, in particular to an inter-aqueduct joint water stop device which comprises aqueduct bodies, aqueduct piers and waterproof assemblies, a plurality of aqueduct bodies are arranged in parallel, the adjacent aqueduct bodies are bonded through adhesives, the upper end faces of the aqueduct piers are connected with the aqueduct bodies, and the waterproof assemblies are connected to the upper end faces of the adjacent aqueduct bodies. According to the utility model, the telescopic component adjusts the width of the connecting plate to fit the joint between the connecting plate and the aqueduct, so that the deformation and damage of the connecting plate caused by thermal expansion and cold contraction of the aqueduct main body are avoided, and the adjusting component moves and drives the waterproof strip to move vertically, so that the waterproof strip clings to the inner wall of the aqueduct main body; water leakage caused by inclined displacement of the waterproof baffles due to abrasion of the waterproof strips or displacement and height difference of the aqueduct bodies is prevented, the positioning assemblies limit movement of the connecting plates in the vertical direction, and meanwhile the positioning assemblies limit movement of the aqueduct bodies on the two sides.

The invention discloses a floating bridge water taking and pumping device and a using method thereof. The floating bridge water taking and pumping device comprises a water taking device, a pumping device, a main water pipe, a water outlet pipe, a sedimentation water tank, an overflow pipe, a blow-off pipe and a concentration and liquid level detection sensor. The water taking device comprises a water taking box, the side face of the bottom of the water taking box is connected with a water taking pipe, and a screen is arranged at the end of the water taking pipe. A main water pipe is connected above the submersible pump, a floating bridge is arranged on the main water pipe, the main water pipe is obliquely upwards arranged along a river levee, the main water pipe is connected with a sedimentation pool, a water outlet pipe is arranged in the middle of the sedimentation pool, an overflow pipe is arranged at the top of the sedimentation pool, a blow-off pipe is arranged at the bottom of the sedimentation pool, and a concentration detection sensor and a liquid level detection sensor are arranged in the sedimentation pool. The technical problems that a submersible pump is low in operation efficiency, multiple in equipment failures caused by pipeline blockage, cavitation and turbulent flow, large in machine vibration, short in service life of spare parts and the like are solved, continuous and accurate water pumping is achieved, the water pumping frequency is stabilized, the water pumping efficiency is improved, the service life of the spare parts is prolonged, and the water supply cost is reduced.

The invention relates to an inverted arch trestle system and a construction method, and belongs to the technical field of tunnel trestles, the inverted arch trestle system comprises a bridge body, a front approach bridge is hinged to one end of the bridge body, a rear approach bridge is hinged to the other end of the bridge body, a front support is arranged at one end of the bridge body, and a rear support is fixed to the other end of the bridge body; the front support comprises supporting legs, each supporting leg comprises an inner barrel, an outer barrel, a base plate and a hydraulic cylinder, the hydraulic cylinders are vertically located in the outer barrels, the inner barrels are slidably connected with the outer barrels, the piston ends of the hydraulic cylinders are fixedly connected with the inner walls of the tops of the inner barrels, and one ends of bodies of the hydraulic cylinders are detachably connected with the inner walls of the bottoms of the outer barrels. A limiting assembly used for controlling whether one end of a hydraulic cylinder body is connected with the bottom of the outer barrel or not is arranged on the outer barrel. An inserting hole is formed in the vertical side wall of the outer barrel, when the length of the hydraulic cylinder adjusting supporting leg needs to be indirectly increased, the base plate is horizontally inserted and embedded into the outer barrel, one end of the hydraulic cylinder body is rotationally connected to the top of the base plate, and the effects that the adjusting flexibility of the trestle in a tunnel is improved, and the adjusting limitation is reduced are achieved.

The utility model provides a section structure of a main beam of a composite functional bridge, which can simultaneously meet the requirements of traffic and pipeline crossing, can simultaneously arrange one or more pipelines and can be combined with one or more traffic requirements of pedestrians, non-motor vehicles and motor vehicles, and when the pipelines are arranged, a liquid conveying pipeline is preferentially placed in a sunken pipe groove outside a box, so that the liquid conveying pipeline is prevented from being damaged. A non-liquid conveying pipeline is arranged in a pipe groove in the box; in order to avoid the influence of pipelines on pedestrian vision and bridge landscapes, the pipe grooves outside the box adopt sunken design, the pipe top elevation of the pipelines outside the box is lower than, equal to or slightly higher than the pavement elevation of pedestrians, non-motor vehicles and motor vehicles, the pipelines inside the box can be completely prevented from leaking, and due to the design of the sunken pipe grooves inside and outside the box, the pipelines can be almost arranged in a hidden mode; the main beam with the conventional beam height can meet the multi-functional space requirement, and the influence of the pipeline on the bridge landscape can be partially or completely eliminated.

A method for erecting a portion of a transportation structure including a plurality of piers, a plurality of platforms forming a service pathway, a first plurality of girders forming a first assembly of tube segments, capable of being placed under low air pressure and through which pods may travel substantially free of air friction, and forming a first rooftop transportation pathway the method including conveying with vehicle(s) the girders and platforms along the first transportation pathway, positioning them and having the vehicle(s) return along the service pathway. A portion of a transportation structure is also provided.

The invention discloses tunnel inverted arch pouring equipment, and relates to the technical field of tunnel construction, and the tunnel inverted arch pouring equipment comprises a tunnel inverted arch trestle, a material distribution system and a pumping system; the tunnel inverted arch trestle comprises a main bridge, a front approach bridge and a rear approach bridge, the main bridge is arranged in an inverted arch steel bar operation area, an inverted arch pouring area and a filling operation area in a spanning mode, the front approach bridge and the rear approach bridge are arranged at the two opposite ends of the main bridge respectively, the front approach bridge is arranged close to the inverted arch excavation supporting operation area, and the rear approach bridge is arranged close to the filling operation area; the material distribution system is arranged on one side of the main bridge and located at the junction of an inverted arch pouring area and a filling operation area, the pumping system is arranged close to the rear approach bridge and used for conveying concrete to the material distribution system, and the material distribution system is used for conveying the concrete to the inverted arch pouring area or the filling operation area; according to the technical scheme, the construction efficiency can be improved.

The invention discloses a coal conveying belt conveyor trestle deformation joint and a construction method thereof. The trestle deformation joint sequentially comprises a bottom layer, a top layer, a bottom layer and a top layer from bottom to top, wherein the bottom layer is a U-shaped pocket made of two-cloth eight-coating LEAC acrylic polymer cement waterproof coating impregnated native polyester fiber reinforced cloth; the thermal insulation layer comprises a rubber surface filled in the deformation joint and a waterproof coating emulsion poured in a gap between the rubber surface and the deformation joint; the waterproof layer comprises a two-cloth eight-coating LEAC acrylic polymer cement waterproof coating layer and an LEAC waterproof emulsion layer; the protective layer is made of aluminum foil glass fabric or a steel plate with the same width as the deformation joint. It can be guaranteed that the waterproof layer has enough binding power and certain flexibility, deformation can be achieved along with a floor and a deformation joint, damage is avoided during large deformation due to enough stretching and twisting strength, and the waterproof layer can return to the original position after deformation is recovered due to enough elasticity; the performance is not obviously changed under the action of vibration load and temperature of the next year due to sufficient fatigue resistance.

The utility model relates to a trestle for turning around vehicles in a tunnel, which comprises a trestle main body, a supporting structure for supporting the trestle main body, a front approach bridge arranged at the front end of the trestle main body and a rear approach bridge arranged at the rear end of the trestle main body, a turning-around device is embedded on the upper surface of the trestle main body, and the supporting structure comprises a fixed supporting leg and a movable supporting leg. The fixed supporting legs are arranged at the two ends of the trestle body, the movable supporting legs are arranged in the middle of the trestle body, each of the fixed supporting legs and the movable supporting legs comprises a sleeve and an inner column arranged in the sleeve in a sleeved mode, the sleeves of the fixed supporting legs are fixedly connected with the trestle body, and the sleeves of the movable supporting legs can move in the length direction of the trestle body through walking devices. By arranging the turning device, when a vehicle needs to turn around, the vehicle can be driven onto the trestle and steered through the turning device, and passing of other vehicles is not affected, so that the use efficiency of a road is greatly improved, meanwhile, the trestle can adapt to the installation requirements of different heights, production standardization of the trestle is facilitated, and the application range of the trestle is wider.

A pipe gallery for offshore chemical pipeline laying relates to a pipe gallery, a plurality of square pipe boxes (3) corresponding in head and tail are arranged at intervals above the sea surface (9), two oppositely arranged connecting square pipes (7) are arranged between every two adjacent square pipe boxes (3), two pipe cavities (13) of the adjacent two square pipe boxes (3) and the cavities (15) of the two connecting square pipes (7) located between the adjacent two square pipe boxes (3) are through, and the '' rectangle '' shaped cover plate (5) covers the two inclined waist surfaces outside the two opposite connecting square pipes (7). The application realizes the effective weight decomposition of the square pipe boxes with large self-weight by arranging a plurality of square pipe boxes corresponding in head and tail and with large self-weight at intervals above the sea surface and hanging two oppositely arranged connecting square pipes with small self-weight on the end portions of the two square pipe boxes between every two adjacent square pipe boxes, and overcomes the problem of unstable bottom plate of the hanger and difficult docking when docking on the sea surface.

The utility model discloses an indoor stadium spiral suspension corridor which comprises a bridge body, the bridge body is installed in a stadium and arranged upwards in a spiral mode, the bridge body is divided into a plurality of bridge floor sections from top to bottom with the distance between two adjacent stand columns in the stadium as the reference, the bridge floor section at the starting point position is connected to a suspension type visiting room arranged in the stadium, and the suspension type visiting room is connected with the bridge floor section at the starting point position. The bridge floor section at the final position is connected with a foundation through a multi-stage damping device; outer chord members are arranged on the outer sides of the bridge floor sections; and the inner chord members and the outer chord members are connected with the truss through suspenders. The spiral suspension corridor is arranged in the courtyard of the venue, the space of the courtyard is fully utilized, the functional requirements of visit and touring of the venue are met, the beauty of a building is fully reflected, the bridge floor section spirally ascends, the situation that the structure is shielded by surrounding buildings is avoided, pedestrians can conveniently watch large-range surrounding landscapes, and the visit effect of the venue is improved. A multi-stage damping device is arranged at the contact position of the bottom of the bridge floor section and the ground, and the anti-seismic performance of the bottom of the bridge floor section and the ground is ensured through the arrangement of the multi-stage damping device.

The invention relates to the technical field of aqueduct construction, and particularly discloses an anti-permeation sealing assembly for connecting a prefabricated aqueduct body, the anti-permeation sealing assembly comprises a backwater sealing strip part, a water retaining strip part, an upstream sealing strip part and a pressing strip part, the backwater sealing strip part is arranged on the backwater surface of the water retaining strip part; the upstream sealing strip part is arranged on the upstream face of the water retaining strip part; the pressing strip component is arranged on the face, away from the water retaining strip component, of the water facing sealing strip component and used for pressing the water facing sealing strip component on the water facing face of the water retaining strip component, and the pressing strip component can push the first side edge of the water facing sealing strip component in the direction away from the first side edge of the water retaining strip component. The pressing strip component can push the second side edge of the upstream sealing strip component in the direction away from the second side edge of the water retaining strip component. According to the aqueduct, the sealing effect of the aqueduct seam can be improved.

The utility model relates to an integral rapidly-assembled aqueduct bent frame column construction operation platform which comprises a vertical rod support. Three layers of operation bedplates are arranged in the height direction of the vertical rod bracket at equal intervals; the guardrails are installed on the periphery of the vertical rod support and located between the adjacent working platens. The one-truss operation module is composed of the vertical rod support, the three layers of operation platens and the guardrails, the adjacent operation modules are connected through the hook-shaped plug pins, the operation modules can be modularly produced in batches, and when the operation modules are used, only the corresponding number of operation modules need to be selected according to the heights of the framed bent columns, and the operation modules can be conveniently assembled. The aqueduct bent frame column construction operation platform can be assembled by vertically stacking the multiple truss operation modules and inserting the hook-shaped plug pins, during disassembly, only the hook-shaped plug pins need to be pulled out and the operation modules need to be disassembled, compared with a traditional on-site building and scaffold disassembly mode, the operation modules of the construction operation platform can be repeatedly used, and the construction efficiency is improved. Assembly and disassembly are easy and fast, time and labor are saved, and the construction progress is effectively accelerated.

The invention discloses a multifunctional safety type connecting bridge system for an LNG (liquefied natural gas) filling wharf boat, which comprises a connecting bridge body, the connecting bridge body comprises an LNG equipment cabin and a pedestrian guardrail, an LNG pipeline group is laid in the LNG equipment cabin, and two ends of the LNG pipeline group are respectively communicated with a fixed pipeline of the connecting wharf boat and are output / input outwards; the LNG equipment cabin comprises an anti-explosion partition plate and an anti-explosion sealing top plate, the anti-explosion partition plate and the anti-explosion sealing top plate jointly define a cabin space for laying of the LNG pipeline set, the pedestrian guardrail is fixedly connected to the top of the LNG equipment cabin, and the pedestrian guardrail and the LNG equipment cabin define a pedestrian path; the LNG equipment cabin is movably connected with the wharf boat and the wharf through universal hinge supports. Through mechanical design and flexible connection design of vertical space layering, physical isolation of a dangerous source and a personnel channel is achieved in a single bridge body, safety is improved, the overall design is miniaturized, and the device is more suitable for transformation projects with limited space and can adapt to wharf boat operation under various hydrological conditions.

The invention relates to the technical field of water conservancy and hydropower ecological protection, in particular to a fishway with a traffic function and an operation method of the fishway. Each spliced fishway comprises a fixed fishway section and rotary fishway sections arranged at the upstream end and the downstream end of the fixed fishway section; connecting bridges are respectively arranged in the river channels on the upstream side and the downstream side of the dam body; a tempered glass plate is laid on the top of the rotary fishway section. When the rotary fishway section rotates to be in a butt joint state with the connecting bridge, the rotary fishway section and the connecting bridge are spliced together to form a bridge body. In a fish passing season, the rotary fishway sections are spliced at the two ends of the fixed fishway section to form a spliced fishway for executing a fish passing mode; and in a non-fish passing season or other time periods where fish passing is not needed, the rotating fishway section is rotated to be in a butt joint state with the connecting bridge, and the rotating fishway section and the connecting bridge are jointly spliced to form a bridge body for executing a traffic mode.

The invention provides a vehicle self-adaption compatible open island type elevated BRT station system which comprises an open island type elevated station structure, the elevated station structure comprises a ground layer and a two-layer composite layer arranged above the ground layer, and the two-layer composite layer comprises an open pedestrian overpass and an island type platform. The open type pedestrian overpass and the island type platform are of an integrated station-hall-free structure. The elevated station structure further comprises a central vertical traffic core connected with the ground layer and the two-layer composite layer. Passenger doors are arranged on the left side and the right side of a vehicle body of the BRT vehicle, a vehicle control system and an in-vehicle fare collection system are arranged in the BRT vehicle, and the vehicle control system is configured to automatically or manually control the passenger door on the corresponding side to be opened or closed according to the type of a stop platform. Through cooperation of station structure innovation, operation mode opening and vehicle configuration intelligence, the problems that a traditional BRT system is large in occupied area, poor in compatibility and rigid in dispatching can be solved.