3692 results about "Hoist device" patented technology

The invention relates to the technical field of cooperative control, in particular to a multi-machine cooperative control method and system for a bridge cable hoisting device, and the method comprises the following steps: collecting tension change characteristics through a distributed sensor array, extracting indexes through a sliding window algorithm to generate a response time window, and generating a cooperative time window through time sequence overlapping and speed trend adjustment. Calculating a compensation value by combining inertial parameters and acceleration to generate a trigger window, detecting tension and displacement difference, inputting the tension and displacement difference into a dynamic threshold function for screening and fusion, outputting a synchronous trigger condition, and generating a synchronous control instruction by encoding a device number and a tension change rate after timestamp alignment. According to the method, multi-node tension synchronous acquisition and normalization processing, dynamic response generation through a sliding window, boundary matching action triggering adjustment through an overlapping algorithm, response lag correction through inertia compensation, tension and displacement difference real-time detection, dynamic threshold screening and triggering condition fusion and timestamp alignment packaging instruction consistency are carried out; and the cooperation precision and the system robustness are improved.

The invention discloses a circulating type gravity energy storage transportation system which comprises a master controller, an annular rail, a high-position storage yard and a low-position storage yard, a transportation train is composed of a plurality of carriages which are flexibly connected and arranged on the annular rail, a low-position running rail is arranged on the annular rail, the high-position running rail is provided with a linear loading and unloading section, and the low-position running rail is provided with a linear loading and unloading section. A plurality of grabbing parts are arranged on the high-position storage yard and the low-position storage yard and move back and forth between the loading and unloading section and the stacking area, and the hoisting device is electrically connected with the master controller. By means of the double-circulation design of train circulation operation and heavy block rapid loading and unloading, the core pain points that an existing gravity energy storage system is not coherent in operation and low in efficiency are effectively solved, and the energy storage efficiency is improved. And a reliable system solution is provided for realizing large-scale, high-efficiency and fast-response gravity energy storage commercialized application.

The invention discloses an automobile hoisting device, and belongs to the technical field of engineering hoisting. The problems that the gravity center of a component is difficult to accurately determine, the position and posture control of a cargo boom is inaccurate, and the load cannot be adaptively adjusted exist in the hoisting process of an existing automobile crane. The device comprises a truck crane body, a cargo boom tail end execution module, a cargo boom body sensing module, an environment sensing module and a control module. The control module is internally provided with a dynamic gravity center correction unit, a multi-sensor fusion unit and a self-adaptive load control unit, processes related sensor data based on Kalman filtering, extended particle filtering and a model prediction control algorithm, and outputs an adjustment instruction. The method is mainly used for improving the accuracy, safety and efficiency of automobile hoisting operation.

The main object of the invention is an antenna module for an acoustic point defence system (SAD) and an acoustic system comprising said module. The antenna module comprises at least one array of electroacoustic transmitting transducers (TX) and at least one array of electroacoustic receiving transducers (RX). The arrays of transmitting transducers and the arrays receiving transducers have the characteristic of being housed in a watertight container adapted to be submerged in water when the module is in operation, for example by means of a hoist or winch device (SMMR - Launching and Recovery System). The container has watertight accesses, for example via watertight connectors, for at least one cable for a power supply signal, connected or connectable with a power supply unit external to the container, and for at least one cable for a data signal, connected or connectable to a remote control unit adapted to send commands and receive target detection states and / or signals. The antenna module comprises a local control and calculation unit housed inside the container, which local control and calculation unit is equipped with an input for the power supply signal and a port for the data signal, and is interfaced with the arrays of transducers for controlling the signal transmitted by the arrays of transmitting transducers and processing the signals received by the arrays of receiving transducers on the basis of commands received by the data port.

The invention relates to a steel structure trestle hoisting device, belongs to the technical field of bridge construction machinery, and is used for solving the technical problems that traditional hoisting equipment is low in mounting precision, poor in posture adjusting efficiency and easy to deform in structure. The device comprises a portal crane main body, wherein an electric trolley of which the stroke is matched with the width of a trestle is arranged at the lower part of a fixed cross beam; the dynamic self-adaptive balance assembly adjusts load balance in real time through a rigid frame, a three-axis tilt angle sensor, a balancing weight and an electric push rod. The lifting appliance group adopts a servo motor to drive four lifting hooks to cooperatively work, and a laser positioning assembly is combined for precise positioning; the digital twinning cooperative control system integrates prediction, control logic and a pre-judgment type intervention module through an embedded industrial controller, analyzes data of an encoder and a pressure sensor in real time, predicts deformation and gravity center shift, and dynamically regulates and controls the hoisting speed, the transverse position of a trolley and the balance weight displacement. The device is suitable for high-precision rapid installation of the large-span steel structure trestle, and the construction safety and efficiency are improved.

The present technical scheme belongs to the technical field of motor assembly equipment, and specifically relates to a top cover wire installation equipment, comprising a frame; a material moving device, which is installed on the frame and has a plurality of workstations; a positioning device, which is installed on the material moving device; a wire frame device, which is installed on the material moving device; a lifting device, which is installed on the frame or the material moving device; a locking device, which is installed on the frame; a material unloading device, which is installed on the frame and is located beside the material moving device; the top cover and the wire are positioned by the positioning device and the wire frame device, the material moving device transfers the positioned top cover and the wire to the locking device, the lifting device straightens the wire, and the locking device tightens the nut to the top cover to complete the installation of the wire; the material unloading of the product is realized by the material unloading device; a mechanized production method is adopted to replace the traditional manual nut tightening operation, so as to improve production efficiency, save manpower and time, ensure the quality of nut tightening, and improve the qualified rate of products.

The invention belongs to the technical field of gate shaft construction, and particularly relates to a one-time forming pouring system and a one-time forming pouring method. The gate groove formwork and the vertical shaft sliding formwork assembly in the one-time forming pouring system can move in the depth direction of the gate shaft and jointly define a pouring ring, and when the strength of hydraulic concrete structures corresponding to the vertical shaft sliding formwork assembly and the gate groove formwork reaches the demolding strength, the gate groove formwork and the vertical shaft sliding formwork assembly are separated. The positions of the vertical shaft sliding formwork assembly and the gate groove formwork can be adjusted through the lifting device and the hoisting device, so that the pouring space rises in the depth direction of the gate shaft, continuous pouring of the hydraulic concrete structure is met, pouring of the hydraulic concrete structure does not need to be conducted step by step, joints are avoided, and the construction efficiency is improved. The integrity and shear strength of the hydraulic concrete structure are improved, so that the construction quality of the hydraulic concrete structure in the gate shaft is ensured, and meanwhile, the construction difficulty is reduced.

The invention discloses a hoisting device and method for casting production. The hoisting device comprises a hoisting plate, two clamping pincers and an automatic telescopic piece, and two sets of inserting claws are arranged at the bottoms of the two clamping pincers in a staggered mode; two pulleys are connected below the lifting plate in a left-right sliding mode, the top ends of the clamping pincers are each fixedly connected with a set of lifting ropes, and the two sets of lifting ropes are crossed, then bypass the pulleys in the opposite side directions and are connected with the inserting claws; a rectangular ring is arranged at the crossed position of the lifting ropes, the upper end of the rectangular ring is connected with an automatic telescopic piece, a rhombic four-bar linkage is hinged to the lower end of the rectangular ring, and the left and right sides of the rhombic four-bar linkage are hinged to power arms of the clamping pincers; through the arrangement of the automatic telescopic piece, the lifting plate, the clamping pincers, the pulley, the inserting claw, the rectangular ring and the lifting rope, the automatic telescopic piece stretches out and draws back up and down, the two clamping pincers can be driven to be opened or closed through the rhombic four-bar linkage, and therefore a casting is automatically clamped or released, and time and labor are saved; in addition, through coordination and cooperation of a lifting rope, a rhombic four-bar linkage and an inserting claw, the clamping effect on the casting is improved.

The invention provides a steel box girder hoisting device for building construction, and relates to the technical field of building construction, slings are arranged at the tail parts of a main hook and an auxiliary hook, and during hoisting, under the action of the gravity of a hoisted steel box girder, the slings move from the tail parts of the main hook and the auxiliary hook to the middle parts to drive the auxiliary hook to rotate relative to the main hook; the middle part of the auxiliary hook is gradually close to the middle part of the main hook, namely the auxiliary hook is gradually changed from a state of being separated from the main hook to a state of being combined with the main hook. The auxiliary hook is limited by the damping mechanism in the rotating process, the speed of the lifting appliance moving from the tails of the main hook and the auxiliary hook to the middle is reduced, and the damping effect is achieved, that is, the damping mechanism absorbs impact stress generated between the auxiliary hook and the lifting appliance when the lifting appliance is subjected to instantaneous impact force at the moment of lifting load; and when the lifting appliance moves from the tail parts of the main hook and the auxiliary hook to the middle part, the auxiliary hook provides lateral support and limit for the lifting appliance, so that the unstable shaking of the lifting appliance is reduced, and the influence on the lifting stability and the construction safety of the steel box girder is reduced.

The invention discloses a wind generating set anti-inclination hoisting device which comprises a hoisting frame used for hoisting a generating set and a hoisting seat connected with a hoisting hook, balancing weights are slidably connected to the periphery of the hoisting frame, and the periphery of the hoisting frame is connected with the hoisting seat through a telescopic device; an inclination sensing device and a plurality of wind direction sensing devices are arranged on the hanging bracket; the inclination sensing device detects inclination of the hanging bracket and triggers the corresponding driving device to enable the balancing weight to move in the opposite direction. Each wind direction sensing device responds to wind in a preset direction range and triggers the corresponding telescopic device to stretch out and draw back so as to counteract hanging bracket inclination caused by the wind in the direction. The device can prevent inclination caused by self weight or wind power of the wind turbine generator.

The invention relates to the field of nuclear fusion device installation, and discloses a hoisting device and a Dewar base hoisting method.The hoisting device comprises a balancing component, a hoisting shaft assembly, a hoisting tool component and a lifting assembly; the balancing component comprises a main body part and lifting lugs, at least two lifting lugs are arranged at the upper end of the main body part, and a containing space is formed between any two adjacent lifting lugs; the hanger shaft assembly comprises a hanger shaft and a retainer, and the hanger shaft is provided with a locking structure; the multiple lifting assemblies are arranged in the circumferential direction of the balancing component and comprise cable-stayed lifting mechanisms, vertical lifting mechanisms and connecting bases, the cable-stayed lifting mechanisms are connected with the main body part and the lifting tool component, the vertical lifting mechanisms are connected with the lifting tool component, and the vertical lifting mechanisms and the cable-stayed lifting mechanisms are both configured to be adjustable in length; and the connecting seat is connected with the bottom of the vertical lifting mechanism. According to the hoisting device, the Dewar base can be better horizontally adjusted, deformation of the Dewar base in the hoisting process is prevented, and the installation precision of the Dewar base is improved.

The invention relates to the technical field of steel corridor construction, and provides an integral steel corridor air jump hoisting device and method.The hoisting device comprises a pair of lifting platforms fixed to buildings at the two ends of a steel corridor correspondingly, and a first set of lifting assemblies and a second set of lifting assemblies are arranged on the lifting platforms; the first lifting assembly and the second lifting assembly each comprise a plurality of lifters and a plurality of lifting ropes, the upper ends of the lifting ropes are connected with the lifters, and the lower ends of the lifting ropes are connected with the steel corridor. After being pre-assembled, the steel corridor is lifted through the first lifting assembly, the steel corridor and the supporting structure are staggered by a target distance during lifting, and after the steel corridor is lifted to the target height, the steel corridor jumps to the position above the supporting structure through the second lifting assembly and is integrally lowered to the supporting structure. Compared with an existing mode, the method is short in operation time and small in workload, and the steel gallery splicing quality control difficulty and the hoisting operation safety risk are reduced.

The invention relates to the technical field of hoisting, and particularly discloses a hoisting device for a converter ladle, the hoisting device comprises a lifting hook, a lifting rope for lifting the lifting hook and a lifting frame hinged to the ladle, an unhooking mechanism comprises a push rod rotationally mounted on the lifting hook, an elastic piece I, a transmission assembly and a clutch assembly, the lifting hook is connected with the lifting rope through the elastic piece I, and the lifting hook is connected with the lifting rope through the elastic piece II; after a ladle is placed on a bearing object, along with descending of the lifting rope, the transmission assembly drives the push rod to rotate forwards, after the push rod abuts against the lifting ring, the clutch assembly enables the push rod and the lifting hook to be locked, and when the lifting ring moves towards the opening of the lifting hook, the clutch assembly enables the push rod and the lifting hook to be disconnected gradually. After the push rod abuts against the lifting ring again, the clutch assembly locks the push rod and the lifting hook again, and meanwhile the push rod pushes the lifting ring out of the opening of the lifting hook; the lifting hook has the beneficial effect that the problem that the lifting hook and the lifting frame are not thoroughly separated can be avoided.

The invention relates to an overwater square block hoisting method and system, and belongs to overwater square block hoisting. The overwater square block hoisting method comprises the steps of hoisting a square block, obtaining the relative position relation between a hoisting device and the square block, obtaining the real-time position of the square block, obtaining the relative posture data of a hoisting system and the square block, obtaining the real-time posture of the square block and guiding square block hoisting. According to the above-water square block hoisting method, a camera, a Beidou receiver, a clinometer, an inertial navigation device and other devices are used for obtaining the relative position and posture data of a hoisting device and a square block in real time, the square block is accurately guided to be hoisted to the designed position through a data processing and feedback mechanism, and all-directional monitoring and accurate control in the square block hoisting process are achieved.

The invention relates to a large-scale deep hypothermia environment test system and method, the test system comprises a main body structure, the main body structure comprises a test section and further comprises a transfer plant, the transfer plant comprises a dry air hall communicated with the test section, the dry air hall is connected with an environment air hall through a dry-wet conversion gate, the bottom of the dry air hall communicates with a low-temperature model transformation room, and the bottom of the ambient air hall communicates with a model assembly room; a track is further arranged in the transfer plant, a model hoisting device capable of moving along the track is arranged on the track, and the model hoisting device is used for hoisting the model assembly to the test section, the low-temperature model transformation room and the model assembly room. According to the invention, the model assembly can be hoisted among the model assembly room, the low-temperature model transformation room and the test sections through the transfer plant, so that the operation safety is improved, the test efficiency is greatly improved, the model can be debugged in time in the test process, and the test effect is effectively improved.

The invention discloses a fabricated steel-UHPC external prestressing combined box girder and a construction method and application thereof, and relates to the technical field of bridge engineering, the fabricated steel-UHPC external prestressing combined box girder comprises a prefabricated steel-UHPC combined top plate, a prefabricated steel-UHPC combined bottom plate, a prefabricated steel-UHPC combined web plate, a steel diaphragm plate and an external prestressing system. The box girders are formed by combining prefabricated slabs, the prefabricated web plates are firmly connected with the prefabricated top plate and the prefabricated bottom plate through welded steel plates and post-poured UHPC, and arrangement and tensioning of external prestress are achieved by arranging steel anchor boxes and steering gears in box chambers. According to the combined box girder, the steel and the UHPC are combined to form a structural form that the steel plate is wrapped by the UHPC, and the advantages of high strength, high durability, high toughness, high compactness, low creep and the like of the UHPC and the advantages of high strength, high elastic modulus and weldability of steel are fully utilized, so that the box girder has the advantages of being excellent in structural stress performance, light in overall weight, good in durability, small in later-stage deformation, low in cost and the like. And the hoisting device is especially suitable for bridges in urban rail transit or urban railways.

The hoisting clamp comprises two sets of four-connecting-rod clamps A and B which are connected side by side in a mirroring mode through a plurality of pin shafts, and two sets of ratchet wheel self-locking mechanisms C and D are installed between the two sets of four-connecting-rod clamps and are responsible for self-locking when clamping rods of the two sets of four-connecting-rod clamps are opened and clamped; a rotating shaft is movably arranged between the two sets of four-connecting-rod clamp clamping rods; the ratchet wheel self-locking mechanism comprises a ratchet wheel, a stop pawl and a spring pressing sheet; the ratchet wheel is mounted on a pin shaft in the middle of a second clamping rod A and a second clamping rod B of the two sets of four-connecting-rod clamps; the stop pawl is fixedly mounted on a rotating shaft and is matched with the ratchet wheel to realize locking action; the spring pressing sheet is fixedly mounted on the inner side of a first clamping rod and is used for pressing the stop pawl on ratchets of the ratchet wheel; the tooth directions of the two ratchet wheels of the two ratchet wheel self-locking mechanisms are opposite. The shaft part hoisting device is simple in structure, convenient to operate, high in hoisting efficiency and high in safety, hoisting and mounting work of shaft parts is facilitated, and the mounting efficiency and the operation safety are improved.

The invention relates to the technical field of information, and discloses a real-time early warning method and system for double-crane hoisting, and the method comprises the steps: obtaining the operation condition data of a plurality of hoisting devices in real time, and carrying out the standardized packaging, and obtaining heterogeneous processing data; on the basis of the heterogeneous processing data, constructing a scene simulation model through a digital twinning technology so as to output collaborative parameters of the hoisting equipment in various business scenes; inputting the collaborative parameters and the operation condition data into a pre-constructed double-layer early warning model for processing, and outputting an early warning result; wherein the double-layer early warning model comprises a hybrid anomaly detection model integrating an isolated forest and a single-class support vector machine and an LSTM network model introducing an attention mechanism; and real-time and accurate early warning of double-crane lifting is realized through a digital twinborn technology and a machine learning algorithm.

Disclosed in the present invention is a pile foundation construction method, comprising the following steps: S1, on the basis of the designed positions of pile foundations on a slope, and along two sides of pile positions within a straight line range from the top to the bottom of the slope, marking positions at which steel sheet piles need to be installed; S2, fixing a winch device at the top of the slope, installing a first movable platform and connecting same to the winch device to complete a full-section steel trestle; S3, placing a drilling device on the first movable platform, and using the winch device to enable the first movable platform to travel on the steel trestle to a planned position, fixing the first movable platform on the steel trestle, and then using the drilling device to perform pile hole construction at the pile positions; S4, repeating S3 until all pile holes in an area covered by the steel trestle are drilled, and subsequently detaching the drilling device from the first movable platform; S5, a hoisting device moving or traveling onto the first movable platform, and hoisting pile reinforcement cages into all the pile holes; and S6, pouring concrete into the pile holes. The present invention has the beneficial effect of facilitating pile foundation construction on mountainous slopes.

The invention relates to the technical field of hoisting equipment, in particular to a bridge steel box girder hoisting device and a hoisting construction method.The bridge steel box girder hoisting device comprises a hoisting ring and a plurality of slings, the tops of the slings are connected with the hoisting ring, side clamping plates are arranged at the other ends of the slings, and fixing units are arranged on the side clamping plates; according to the bridge steel box girder hoisting device and the hoisting construction method thereof, the combined extension unit is arranged on the side clamping plate close to the side where a steel box girder is installed, the moving units are arranged on the other side clamping plates, and a detection piece is further arranged on any side clamping plate. When the steel box girder is hoisted to the installation position, the combined extension unit can extend and be clamped with the installed steel box girder to assist in butt-joint installation of the hoisted steel box girder and the installed steel box girder, the situation that multiple times of manual measurement and supporting are needed in traditional hoisting is avoided, and the installation efficiency is improved.

The invention provides a hoisting device for construction engineering, and belongs to the technical field of hoisting equipment, the hoisting device comprises a frame body, a hoisting mechanism and a clamping mechanism, the clamping mechanism comprises a hanging bracket and a clamping assembly, the hanging bracket is connected with the hoisting mechanism, the clamping assembly is arranged on the hanging bracket, and the clamping assembly comprises a first motor, a bidirectional screw rod, a synchronous pulley mechanism and a moving block; the first motor is fixedly installed on the hanging bracket, the two-way lead screws are symmetrically arranged on the two sides of the first motor and connected to the output end of the first motor through synchronous belt wheel mechanisms, the moving blocks are provided with threaded holes and sliding grooves, the two ends, in different rotating directions, of the two-way lead screws are connected with the moving blocks in a rotating mode through the threaded holes respectively, and the moving blocks are arranged on the hanging bracket in a sliding mode. When the hoisting device is used, inclination and movement of a heavy object in the hoisting process are reduced, the efficiency and safety of the whole process are improved, through the four steel ropes in the winch system, the heavy object can be more stable in the moving process, stress of each steel rope is reduced, and the service life of the steel ropes is prolonged.

A tool, a method, a computer program product and a system for detecting the positioning of a first container handling vehicle on a grid-based rail system of an automated storage and retrieval system, the rail system being part of a framework structure where the rail system comprises a first set of parallel rails arranged to guide movement of container handling vehicles in a first direction across the top of the framework structure, and a second set of parallel rails arranged perpendicular to the first set of rails to guide movement of the container handling vehicle in a second direction which is perpendicular to the first direction, the first and second sets of parallel rails dividing the rail system into a plurality of grid cells, the framework structure comprising upright members that define storage columns for storing containers within the framework structure, wherein the tool comprises an upper surface provided with formations to allow the tool to be picked up by a lifting device of a second container handling vehicle working on the rail system, the tool including a sensor for detecting the positioning of the first container handling vehicle on the rail system.

The utility model provides a mobile house hoisting device which comprises a parent anchor and a child anchor, steel shells are arranged at the bottoms of the parent anchor and the child anchor, a main lifting lug is arranged at the top of the parent anchor, auxiliary lifting lugs are arranged on the side faces of the parent anchor and the child anchor, an external member is arranged at the top of the child anchor, fixing holes are formed in the side face of the external member, and sliding holes are formed in the side faces of the steel shells; the assembling base is provided with an extending body which is fixedly connected with a power device through a fixing frame, the power device is in driving connection with a flywheel, the assembling base is provided with a sliding groove, a bolt is movably installed in the sliding groove, and the flywheel is in driving connection with the bolt through a pull rod. Manual operation of workers is not needed in anchor point connection and disassembly, the sub-anchors are automatically clamped with or fixed to the anchor points of the container house, hoisting operation of the container house is completed, the workers do not need to climb on the roof of the container to conduct anchor point connection operation, potential safety hazards during hoisting operation are eliminated, and working efficiency is improved.

The invention discloses a turnover hoisting device and method for steel pipe pile construction, and relates to the field of hoisting devices.The turnover hoisting device comprises a crane chassis, a cab is movably installed on the crane chassis, a seat is arranged in the cab, a hoisting arm is installed on one side of the cab, and a hoisting hook is installed on the hoisting arm; an emergency push-out device is mounted on the cockpit; and an automatic rotating device is mounted on the emergency push-out device. It needs to be explained that in the embodiment of the invention, through the arrangement of the emergency push-out device, when a steel pipe pile is hoisted for turning over operation, if the inclination angle of the crane chassis is large, the driving push frame drives the seat out of the cab through the sliding push plate, so that a driver can be separated from the cab in time, and meanwhile, under the torsional force of the rotating torsional spring, the driver can turn over the steel pipe pile. The seat is rotated on the supporting shaft, so that the seat is rotated to a state perpendicular to a cab, and a driver can face an open position, so that the driver can quickly escape.

The present invention relates to a six-point truss-type sand pumping and lifting device for a mattress laying vessel. The device comprises a support assembly and six working assemblies. The six working assemblies are all slidably connected to the support assembly. Each working assembly comprises a moving assembly, a sand pumping assembly, and a lifting assembly. The sand pumping assembly and the lifting assembly are both connected to the moving assembly, and thus move and work by means of the moving assembly. The support assembly comprises two main beams. Two ends of each main beam are respectively connected to one main frame support leg. Two auxiliary beams are connected between every left and right main frame support legs. The moving assembly is slidably connected to the two main beams. Each auxiliary beam is connected to a hydraulic pump station, a frequency converter cabinet, and a cab. The present invention minimizes the labor intensity of operators and labor costs, and can effectively improve medium precision control, safety performance, and construction efficiency in the construction process.

The invention discloses a motor rotor intelligent magnetizer with full-automatic feeding and discharging functions. The motor rotor intelligent magnetizer comprises a workbench, a jacking device installed on the workbench, a pressing device installed on the workbench and located above the jacking device, and a transferring device installed on the workbench and arranged close to the jacking device. A feeding conveying device is further arranged on one side of the workbench, and a coil remodeling device is further arranged on the other side of the workbench. According to the invention, the full-automatic magnetizing process of the motor rotor is realized, tedious manual operation procedures in a traditional manual magnetizing mode are reduced, automation of the whole process from feeding, positioning, magnetizing to discharging is realized, the production period is greatly shortened, the production efficiency is remarkably improved, and the requirement of large-scale production can be met.

The invention discloses a loading, transporting and unloading integrated giant multifunctional material guarantee ship and a using method, and belongs to the technical field of material guarantee ships. A loading, transporting and unloading integrated giant multifunctional material guarantee ship comprises a ship body and further comprises a dredge pump cabin, a diesel engine cabin, an intermediate deck, a double-side loading system, a triangular cabin and a bow blowing device, an in-cabin dredge pump and a flushing pump are arranged on a cabin bottom deck of the dredge pump cabin, and a diesel engine is arranged on a cabin bottom deck of the diesel engine cabin. The double-board loading system comprises loading pipes arranged at the left and right board positions and connected with a dredge pump cabin, a winch hoisting device and a quick connector module used for achieving connection of a floating pipe of a cutter suction dredger and the loading pipes. The hydraulic loading and unloading mode is adopted, the problems that a traditional sand transporting mode is not suitable for long-distance transportation, the loading and unloading efficiency is low or the traditional sand transporting mode depends on wharf facilities and anchorage ground lightering can be effectively solved, and the operability and the operation efficiency of long-distance sand transporting business are greatly improved.

The invention discloses box girder hoisting equipment and a fastening hoop device capable of conveniently adjusting segment postures, and relates to the technical field of box girder hoisting, the box girder hoisting equipment comprises two fastening assemblies, the two fastening assemblies are fixedly connected with the two sides of a crane main body correspondingly and used for limiting the crane main body and a bridge segment, the crane main body comprises a hoisting frame, and the hoisting frame is fixedly connected with the two fastening assemblies. A crane is fixedly mounted at one end of the hoisting frame and is connected with the docking mechanism through a cable; the other end of the lifting frame is provided with an adjusting assembly used for horizontally adjusting the posture of the mooring rope. According to the device, the adjusting assembly is arranged, horizontal pushing and shifting of the cables are achieved through horizontal sliding operation of the transverse moving direction adjusting frames, the multiple transverse moving direction adjusting frames are matched with synchronous pushing operation to drive all sets of cables to shift synchronously, and overall horizontal displacement operation of the box girder sections is automatically achieved; troubles caused by manual horizontal pushing operation are avoided, and then the working efficiency of box girder hoisting construction is improved.

The invention relates to a locomotive coupler calibration test bench, and the test bench comprises a pressurization device which is used for providing the two ends of a to-be-tested coupler with opposite acting forces; the hoisting device is adjacent to the pressurizing device; the protection device is located on the outer side of the pressurizing device, and the protection device is configured to be switched between a first state for shielding the whole area of the pressurizing device and a second state for exposing at least part of the area of the pressurizing device. After the to-be-tested car coupler is hoisted to the pressurizing device through the hoisting device, acting force in opposite directions can be provided for the two ends of the to-be-tested car coupler through the pressurizing device, a conventional mode of applying traction force through locomotive traction is replaced, the force application control precision in the car coupler force calibration process is improved, and then the calibration result precision is improved; and train operation safety is guaranteed. Moreover, in the test process, the precision of the calibration result can be prevented from being influenced by foreign objects through the protection device, and meanwhile, the operation safety of testers is improved.